CN211128025U - Multi-view naked eye 3D display screen and multi-view naked eye 3D display equipment - Google Patents

Abstract

The utility model relates to a bore hole 3D shows technical field, discloses a multi-viewpoint bore hole 3D display screen, include: a display panel having a plurality of composite pixels, each of the plurality of composite pixels including a plurality of composite sub-pixels, each of the plurality of composite sub-pixels including a plurality of sub-pixels in an array; and a plurality of spherical gratings covering the plurality of composite sub-pixels. The multi-view naked eye 3D display screen can play a 3D effect to users at front and back positions and reduce transmission and rendering calculation amount. The utility model discloses still disclose a multi-viewpoint bore hole 3D display device.

Description

Multi-view naked-eye 3D display, multi-view naked-eye 3D display equipment

technical field

The utility model relates to the technical field of 3D display, for example, to a multi-viewpoint naked-eye 3D display screen and a multi-viewpoint naked-eye 3D display device.

Background technique

At present, naked-eye 3D display devices achieve 3D display effects by refracting pixels through lenticular gratings.

In the process of implementing the embodiments of the present invention, it is found that there are at least the following problems in the related art: the lenticular gratings with fixed optical properties cooperate with the pixels to form multiple viewpoints arranged laterally along the display device. For users, the 3D effect seen by some users may be poor, or the 3D effect may not be seen.

Utility model content

In order to provide a basic understanding of some aspects of the disclosed embodiments, a brief summary is given below. This summary is not intended to be an extensive review, nor to identify key/critical elements or delineate the scope of protection of these embodiments, but rather serves as a prelude to the detailed description that follows.

The embodiments of the present invention provide a multi-viewpoint naked-eye 3D display screen and a multi-viewpoint naked-eye 3D display device, so as to solve the problems that users in the front and rear positions cannot watch the 3D effect at the same time and the calculation amount of transmission and rendering is large.

In some embodiments of the present invention, a multi-view naked-eye 3D display screen is provided, including: a display panel having a plurality of composite pixels, each composite pixel of the plurality of composite pixels includes a plurality of composite sub-pixels, and a plurality of composite pixels. Each of the plurality of composite sub-pixels includes a plurality of sub-pixels in an array; and a plurality of spherical gratings covering the plurality of composite sub-pixels.

In some embodiments, each composite sub-pixel is square.

In some embodiments, each subpixel of the plurality of subpixels is square.

In some embodiments, the plurality of sub-pixels are in an i×j array, where j≧2 and i≧2.

In some embodiments, the aspect ratio of each subpixel in the plurality of subpixels is i/j.

In some embodiments, i≧3 and j≧3.

In some embodiments, the plurality of composite sub-pixels have different colors, and the plurality of composite sub-pixels with different colors are alternately arranged.

In some embodiments, multiple composite sub-pixels having different colors are arranged in a triangle.

In some embodiments, at least one spherical grating of the plurality of spherical gratings is a spherical spherical grating or an elliptical spherical grating.

In some embodiments, at least one spherical grating of the plurality of spherical gratings further includes at least one side surface.

In some embodiments of the present invention, a multi-view naked-eye 3D display device is provided, comprising: the multi-view naked-eye 3D display screen as described above; and a 3D processing device configured to render the multi-view naked-eye 3D display screen A subpixel in a plurality of composite subpixels.

In some embodiments, each composite sub-pixel includes a plurality of sub-pixels in an i×j array; wherein the plurality of sub-pixels in the i×j array correspond to i first-direction viewpoints and j first-direction viewpoints of the multi-view naked-eye 3D display device The second direction viewpoint.

In some embodiments, the multi-view naked-eye 3D display device further includes: a device for acquiring human eye tracking data, configured to acquire human eye tracking data.

In some embodiments, the human eye tracking data acquisition device is configured to acquire the lateral position of the user's eyes to determine the first direction viewpoint in which the user's eyes are located.

In some embodiments, the 3D processing apparatus is configured to render sub-pixels of the plurality of sub-pixels in the array corresponding to the first-direction viewpoint based on the first-direction viewpoint at which the user's eyes are located.

In some embodiments, the human eye tracking data acquisition device is configured to acquire at least one of a depth position and a height position of the user's eyes to determine the second-direction viewpoint where the user's eyes are located.

In some embodiments, the 3D processing apparatus is configured to render the sub-pixels of the plurality of sub-pixels in the array corresponding to the second-direction viewpoint based on the second-direction viewpoint at which the user's eyes are located.

The multi-viewpoint naked-eye 3D display screen and the multi-viewpoint naked-eye 3D display device provided by the embodiment of the present invention can achieve the following technical effects:

The sub-pixels of the same color in the i×j array covered by the spherical grating play 3D images respectively to the spatial positions corresponding to multiple viewpoints with different distances from the multi-view naked-eye 3D display screen, so as to meet the 3D viewing needs of users in the front and rear positions. In addition, the display resolution of the multi-view naked-eye 3D display screen is defined in the form of composite pixels, and the display resolution defined by the composite pixels is taken into consideration during transmission and display, which reduces the reduction of the high-definition display effect. The amount of calculation for transmission and rendering to achieve high-quality naked-eye 3D display.

The foregoing general description and the following description are exemplary and explanatory only and are not intended to limit the invention.

Description of drawings

One or more embodiments are exemplified by the accompanying drawings, which are not intended to limit the embodiments, and elements with the same reference numerals in the drawings are shown as similar elements, The drawings do not constitute a limitation of scale, and in which:

1 is a schematic diagram of a multi-view naked-eye 3D display screen according to an embodiment of the present invention;

2 is a schematic diagram of the arrangement of composite pixels according to an embodiment of the present invention;

3 is a spherical grating and a corresponding composite sub-pixel according to an embodiment of the present invention;

4 is a spherical grating and a corresponding composite sub-pixel according to another embodiment of the present invention;

5A to 5C are schematic structural diagrams of a multi-view naked-eye 3D display device according to an embodiment of the present invention;

6 is a schematic diagram of dynamic rendering according to an embodiment of the present invention;

7A to 7E are formats of images included in a video frame of a 3D video signal according to an embodiment of the present invention.

Reference number:

100: multi-viewpoint naked-eye 3D display device; 110: multi-viewpoint naked-eye 3D display screen; 111: display panel; 120: processor; 121: register; 130: 3D processing device; 131: buffer; 140: video signal interface; 150 : human eye tracking device; 160: human eye tracking data interface; 190: spherical grating; 191: side section; 192: spherical surface; 193: bottom plane; 400: composite pixel; 410: red composite sub-pixel; 420: green composite sub-pixel; 430: blue composite sub-pixel; 601: one of the two images included in the video frame of the 3D video signal; 602: one of the two images included in the video frame of the 3D video signal; 603: composite image.

Detailed ways

In order to be able to understand the features and technical contents of the embodiments of the present invention in more detail, the implementation of the embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The accompanying drawings are for reference only and are not used to limit the present invention. Example.

Herein, "naked eye three-dimensional (3D) display" refers to a technology in which a user can observe a 3D display image on a flat display without wearing glasses for 3D display.

Herein, "multi-viewpoint" has the conventional meaning in the art, which means that different images displayed by different pixels or sub-pixels of the display screen can be viewed at different positions (viewpoints) in space. In this paper, multi-view will mean at least 3 viewpoints.

As used herein, conventional "pixel" means a 2D display or the smallest display unit in terms of its resolution when displayed as a 2D display.

However, in some embodiments herein, the so-called "composite pixel" when applied to the multi-view technology in the naked-eye 3D display field refers to the minimum display unit when the naked-eye 3D display provides multi-view display, but does not exclude the use of multi-view A single composite pixel of the technology may comprise or appear as multiple pixels of a 2D display. In this document, unless specified as a composite pixel or a 3D pixel for "3D display" or "multi-view" applications, a pixel will refer to the smallest display unit in a 2D display. Likewise, when describing a multi-view glasses-free 3D display "composite sub-pixel", it will refer to a composite sub-pixel of a single color that appears in the composite pixel when the glasses-free 3D display provides the multi-view display. In this context, a sub-pixel in "composite sub-pixel" will refer to the smallest display unit of a single color, which tends to correspond to a viewpoint.

According to an embodiment of the present invention, a multi-view naked-eye 3D display screen is provided, which can be applied to a multi-view naked-eye 3D display device. The multi-view naked-eye 3D display includes a display panel and multiple spherical gratings. The display panel has a plurality of composite pixels, each composite pixel includes a plurality of composite sub-pixels, and each composite sub-pixel is composed of an i×j array of sub-pixels, where i≧2 and j≧2. Multiple spherical gratings cover multiple composite sub-pixels. In the i×j array of sub-pixels, i corresponds to a first-direction viewpoint (eg, a row viewpoint, also known as a lateral viewpoint) of a multi-view naked-eye 3D display device, and j corresponds to a second-direction viewpoint (eg, a multi-view naked-eye 3D display device) column view, also known as height or depth view). In some embodiments, the i×j array of sub-pixels of each composite sub-pixel is an i×j array of sub-pixels of the same color.

In some embodiments, there is a one-to-one correspondence between spherical gratings and composite sub-pixels in a multi-view naked-eye 3D display screen.

In some embodiments, i≧3 and j≧3.

1 to 3 illustrate a multi-view naked-eye 3D display screen 110 according to an embodiment of the present invention. The multi-view naked-eye 3D display screen 110 includes a display panel 111 and a plurality of spherical gratings 190 covering the display panel 111 . The display panel 111 has a plurality of composite pixels 400, and each composite pixel 400 includes a plurality of composite sub-pixels. In the illustrated embodiment, each composite pixel 400 includes three composite sub-pixels of different colors, a red composite sub-pixel 410, a green composite sub-pixel 420, and a blue composite sub-pixel 430, respectively. The red composite sub-pixel 410 is composed of red sub-pixels R in i columns and j rows (i×j array), the green composite sub-pixel 420 is composed of green sub-pixels G in i columns and j rows (i×j array), and the blue composite sub-pixel 430 It consists of blue sub-pixels B in i columns and j rows (i×j array). FIG. 1 shows, as an example, a red composite sub-pixel 410 composed of an i×j array of red sub-pixels R. FIG.

In some embodiments, each composite sub-pixel is square. In an i×j array of homochromatic sub-pixels of each composite sub-pixel, the aspect ratio of each sub-pixel is equal to i/j. In some embodiments, each subpixel in each composite subpixel is square.

As shown in FIG. 1 and FIG. 2 , in the i×j array red sub-pixel R of the red composite sub-pixel 410 , i=6 and j=3. In the green sub-pixel G of the i×j array of the green composite sub-pixel 420, i=6 and j=3. In the green sub-pixel G of the i×j array of the blue composite sub-pixel 420, i=6 and j=3. The 6×3 array of same-color sub-pixels in the composite sub-pixels of each color corresponds to 6 row viewpoints and 3 column viewpoints of a multi-view naked-eye 3D display device.

It is contemplated that in other embodiments, the composite sub-pixels and sub-pixels may have other configurations. For example, each sub-pixel in an i×j array of sub-pixels of the same color is square, and the aspect ratio of each sub-pixel is i/j=1.

In some embodiments, composite sub-pixels of different colors are alternately arranged in the display panel, and the plurality of composite sub-pixels of each composite pixel are arranged in a triangle.

As shown in FIG. 2 , the red composite sub-pixels 410 , the green composite sub-pixels 420 and the blue composite sub-pixels 430 in the composite sub-pixel 400 are arranged in a triangle. In the lateral direction of the display panel 111 , the red composite sub-pixels 410 , the green composite sub-pixels 420 and the blue composite sub-pixels 430 are alternately arranged. The composite pixels 400 are staggered.

In some embodiments, the display panel 111 of the multi-view naked-eye 3D display screen 110 may include m columns and n rows (ie, an m×n array) of composite pixels and thus define an m×n display resolution. In some embodiments, the m×n display resolution may be a resolution higher than Full High Definition (FHD), including but not limited to: 1920×1080, 1920×1200, 2048×1280, 2560×1440, 3840×2160, etc. .

In an embodiment of the present invention, each composite sub-pixel has a corresponding sub-pixel corresponding to a viewpoint. The multiple sub-pixels of each composite sub-pixel are arranged in an array on the multi-view naked-eye 3D display screen, and the multiple sub-pixels in the array form have the same color. Since the multiple viewpoints of the 3D display device are roughly arranged along the horizontal and vertical directions of the multi-view naked-eye 3D display screen, when the user moves back and forth and left and right to cause the human eyes to be in viewpoints of different orientations, it is necessary to dynamically render each composite The sub-pixels correspond to different sub-pixels of the corresponding viewpoints. Since the sub-pixels of the same color in each composite sub-pixel are arranged in an array, the problem of cross-color caused by the persistence of vision can be avoided. In addition, due to the refraction of the grating, it is possible to see a part of the currently displayed sub-pixels at adjacent viewpoint positions, and with the same color and parallel arrangement, even if a part of the currently displayed sub-pixels is seen, there will be no color mixing problem.

In some embodiments, a plurality of spherical gratings are arranged on the surface of the display panel and each cover a composite sub-pixel. Each spherical grating of the plurality of spherical gratings may, for example, comprise a spherical surface to constitute a spherical spherical grating. In other embodiments, each spherical grating of the plurality of spherical gratings comprises an ellipsoidal spherical surface to constitute an elliptical spherical grating. In other embodiments, the spherical grating includes a spherical surface and a side section. In other embodiments, the spherical grating includes an elliptical sphere and a side section.

Figure 3 shows an example of a spherical grating. As shown, one spherical grating 190 corresponds to one composite sub-pixel, eg, red composite sub-pixel 410 . The spherical grating 190 includes, for example, a square bottom plane 193 and a spherical surface 192 opposite to the bottom plane 193 , and a side section 191 connected between the spherical surface 192 and the bottom plane 193 .

Figure 4 shows another example of a spherical grating. As shown, one spherical grating 190 corresponds to one composite sub-pixel, eg, green composite sub-pixel 420 . The spherical grating 190 includes, for example, a circular bottom plane 193 and a spherical surface 192 connecting the bottom planes 193 .

In other embodiments, the bottom plane of the spherical grating may have other shapes, such as hexagons, triangles, and the like.

In some embodiments, another refractive layer having a different refractive index from the spherical grating is provided on the spherical side of the spherical grating, and the surface of the other refractive layer facing the spherical grating is concave and fits with the spherical surface of the spherical grating in a concave-convex manner For fitting, the surface facing away from the spherical grating is a plane, for example, a plane parallel to the bottom plane of the spherical grating.

The multi-view naked-eye 3D display screen 110 according to the embodiment of the present invention can be applied in a multi-view naked-eye 3D display device. According to an embodiment of the present invention, a multi-view naked-eye 3D display device includes a multi-view naked-eye 3D display screen, a video signal interface and a 3D processing device. The video signal interface is configured to receive video frames of the 3D video signal. The 3D processing device is configured to render the relevant sub-pixels in each composite sub-pixel from the video frame of the received 3D video signal.

FIG. 5A shows a multi-view naked-eye 3D display device 100 according to an embodiment of the present invention. As shown in FIG. 5A , the multi-view naked-eye 3D display device 100 includes a multi-view naked-eye 3D display screen 110 , a 3D processing device 130 and a 3D signal interface (eg, video signal interface 140 ) configured to receive 3D content such as 3D video signals.

In some embodiments, the 3D video signal includes video frames.

In some embodiments, the 3D processing device is an FPGA or ASIC chip or FPGA or ASIC chip set. In some embodiments, the multi-view naked-eye 3D display device 100 may also be provided with more than one 3D processing device 130 , which process each composite of each composite pixel of the multi-view naked-eye 3D display screen 110 in parallel, in series, or in a combination of serial and parallel. Subpixel rendering of subpixels. Those skilled in the art will appreciate that more than one 3D processing device may have other ways to allocate and process multiple rows and multiple columns of composite pixels or composite sub-pixels of the multi-view naked-eye 3D display screen 110 in parallel, which falls within the scope of the embodiments of the present invention Inside. In some embodiments, the 3D processing apparatus 130 may also optionally include a buffer 131 for buffering the received video frames.

In some embodiments, the 3D processing device is communicatively connected to the multi-view naked-eye 3D display screen. In some embodiments, the 3D processing device is connected in communication with the driving device of the multi-view naked-eye 3D display screen.

Referring to FIG. 5A , the multi-view naked-eye 3D display apparatus 100 may further include a processor 120 communicatively connected to the 3D processing apparatus 130 through a video signal interface 140 . In some embodiments, the processor is included in a computer or smart terminal, such as a mobile terminal. Alternatively, the processor can be used as a processor unit of a computer or an intelligent terminal. However, it is conceivable that, in some embodiments, the processor 120 may be disposed outside the multi-view glasses-free 3D display device 100, for example, the multi-view glasses-free 3D display device 100 may be a multi-view glasses-free 3D display with a 3D processing device, such as a non- Smart naked eye 3D TV.

In some embodiments, the multi-view glasses-free 3D display device includes a processor inside. Based on this, the 3D signal interface 140 is an internal interface connecting the processor 120 and the 3D processing device 130 . Such a 3D display device 100 may be, for example, a mobile terminal, and the 3D signal interface 140 may be a MIPI interface, a mini-MIPI interface, an LVDS interface, a min-LVDS interface or a DisplayPort interface.

In some embodiments, as shown in FIG. 5A , the processor 120 of the multi-view glasses-free 3D display device 100 may further include a register 121 . Register 121 may be configured to temporarily store instructions, data and addresses. In some embodiments, the register 121 may be configured to receive information about the display requirements of the multi-view naked-eye 3D display screen 110 . In some embodiments, the multi-view glasses-free 3D display device 100 may further include a codec configured to decompress and codec the compressed 3D video signal and send the decompressed 3D video signal to 3D processing via the 3D signal interface 140 device 130 .

In some embodiments, the i×j array of same-color subpixels of each composite subpixel of the multi-view naked-eye 3D display screen 110 corresponds to i first-direction viewpoints and j second-direction viewpoints of the multi-view naked-eye 3D display device. The viewpoint in the first direction may be a row viewpoint, or a lateral viewpoint, which corresponds to the viewpoint position of the user in the lateral direction (X-axis direction) of the multi-view naked-eye 3D display screen. The second direction viewpoint may be a column viewpoint, or a depth or height viewpoint, corresponding to the vertical (Y-axis direction) and/or depth (Z-axis direction) viewpoint position of the user on the multi-view naked-eye 3D display screen. In the embodiment of the present invention, the depth is defined by the distance of the user relative to the multi-view naked-eye 3D display screen.

As shown in FIG. 6 , the correspondence between the red composite sub-pixels 410 composed of the i×j array red sub-pixels R and the i first-direction viewpoints and j second-direction viewpoints of the multi-view naked-eye 3D display device is shown. For clarity, each viewpoint is identified by the coordinates of its corresponding sub-pixel. The coordinates of each red sub-pixel R are identified by the position Ri _i j _j of the sub-pixel in the i×j red sub-pixel array of the red composite sub-pixels. As shown in the figure, in the i×j red sub-pixel array, the coordinates of the first red sub-pixel R from the left in the first row are Ri ₁ j ₁ , and the coordinates of the second red sub-pixel from the left in the first row are Ri ₂ j ₁ , and so on, the coordinate of the sixth red sub-pixel R from the left in the third row is Ri ₆ j ₃ . Correspondingly, the viewpoint corresponding to the first red sub-pixel Ri ₁ j ₁ from the left in the first row of the i×j red sub-pixel array is Vi ₁ j ₁ , and the viewpoint corresponding to the second red sub-pixel Ri ₂ from the left in the first row is Vi 1 j 1 . The viewpoint corresponding to j ₁ is Vi ₂ j ₁ , and by analogy, the viewpoint corresponding to the sixth red sub-pixel Ri ₆ j ₃ from the left in the third row is Vi ₆ j ₃ . The correspondence between the composite sub-pixels of other colors and the viewpoint can be deduced by referring to the correspondence between the above-mentioned red composite sub-pixels and the viewpoint.

Referring to FIGS. 7A to 7E , the transmission and display of a 3D video signal in a multi-view naked-eye 3D display device according to an embodiment of the present invention will be described below. In the illustrated embodiment, the multi-view naked-eye 3D display device may define a plurality of viewpoints, eg, i first-direction viewpoints and j second-direction viewpoints. The user's eyes can see the display of the corresponding sub-pixels in the composite sub-pixels of each composite pixel in the display panel at each viewpoint (spatial position). The two different pictures seen by the user's two eyes from different viewpoints form parallax, and the 3D picture is synthesized in the brain.

In some embodiments of the present invention, the 3D processing device 130 receives video frames, eg, decompressed 3D video signals, from the processor 120 through, eg, the video signal interface 140, which is an internal interface. Each video frame may contain or consist of two images or a composite image.

In some embodiments, the two images or composite images may include different types of images and may be in various arrangements.

In the embodiment shown in Figure 7A, the video frame of the 3D video signal contains or consists of two images 601, 602 in side-by-side format. In some embodiments, the two images may be a left-eye parallax image and a right-eye parallax image, respectively. In some embodiments, the two images may be a rendered color image and a depth-of-field image, respectively.

In the embodiment shown in FIG. 7B, the video frame of the 3D video signal contains or consists of two images 601, 602 in top and bottom format. In some embodiments, the two images may be a left-eye parallax image and a right-eye parallax image, respectively. In some embodiments, the two images may be a rendered color image and a depth-of-field image, respectively.

In the embodiment shown in Figure 7C, the video frame of the 3D video signal contains a composite image 603 in left and right interleaved format. In some embodiments, the composite image may be a left-eye and right-eye parallax composite image interleaved left and right. In some embodiments, the composite image may be a left-right interleaved rendered color image and a depth-of-field image.

In the embodiment shown in FIG. 7D, the video frame of the 3D video signal contains a composite image 603 in a top-bottom interleaved format. In some embodiments, the composite image may be a left-eye and right-eye parallax composite image interleaved above and below. In some embodiments, the composite image may be an interleaved rendered color image and a depth-of-field image.

In the embodiment shown in Figure 7E, the video frames of the 3D video signal contain composite images 603 interleaved in a checkerboard fashion. In some embodiments, the composite image may be a left-eye and right-eye parallax composite image interleaved in a checkerboard. In some embodiments, the composite image may be a rendered color image and a depth-of-field image interleaved in a checkerboard.

Those skilled in the art will understand that the embodiments shown in the accompanying drawings are only schematic, and the two images or composite images included in the video frame of the 3D video signal may include other types of images and may be in other arrangements, which fall within the scope of the embodiments of the present invention.

In some embodiments, after receiving the video frame including the two images 601, 602, the at least one 3D processing device 130 renders at least one subpixel in each composite subpixel based on one of the two images and renders at least one subpixel in each composite subpixel based on the two images Another frame of rendering renders at least one other subpixel of each composite subpixel.

In some embodiments, after receiving the video frame including the composite image, at least one 3D processing device 130 renders at least two sub-pixels in each composite sub-pixel based on the composite image. For example, at least one sub-pixel is rendered from a first image (part) and at least one other sub-pixel is rendered from a second image (part) in the composite image.

In some embodiments, this is, for example, dynamic rendering based on real-time human eye tracking data.

In some embodiments, the multi-view naked-eye 3D display device further includes an eye-tracking data acquisition device configured to acquire human-eye tracking data, such as an eye-tracking device or an eye-tracking data interface. In some embodiments, the eye-tracking data includes spatial position information of the user's eyes, such as the distance of the user's eyes or face relative to the multi-view naked-eye 3D display or the eye-tracking device (ie, the user's eyes/face depth), the vertical position of the user's eyes or face on the multi-view naked-eye 3D display screen, the user's eye or face position in the horizontal direction of the multi-view naked-eye 3D display screen, the position of the user's eyes, the user's perspective Wait.

In the embodiment shown in FIG. 5B , the multi-view naked-eye 3D display device 100 includes a human eye tracking device 150 communicatively connected to the 3D processing device 130 , so that the 3D processing device 130 can directly receive human eye tracking data.

In some embodiments, an eye-tracking device includes an eye-tracking unit configured to capture an image of the user (eg, an image of the user's face), an eye-tracking image signal processor configured to determine the spatial position of the human eye based on the captured image of the user and an eye-tracking data interface configured to transmit eye-spatial position information of the eye-spatial position.

In some embodiments, the eye tracking unit includes a first camera configured to capture a first image and a second camera configured to capture a second image, and the eye tracking image signal processor is configured based on the first image and the second image At least one of the images identifies the presence of the human eye and determines the position of the viewpoint of the human eye based on the spatial location of the human eye existing in the first image and the second image.

In some embodiments, the eye tracking unit includes at least one camera configured to capture at least one image and at least one depth acquisition device configured to obtain at least depth information for both eyes of the user, and the eye tracking image signal processor is configured based on The presence of human eyes is recognized in the at least one photographed image, and the viewpoint positions of the human eyes are determined based on the positions of the human eyes existing in the at least one image and the depth information of the user's eyes.

In the embodiment shown in FIG. 5C , the eye tracking device (not shown) may be directly connected to the processor 120 , for example, and the 3D processing device 130 obtains eye tracking data from the processor 120 via the eye tracking data interface 160 . In other embodiments, the human eye tracking device can be connected to the processor and the 3D processing device at the same time, so that on the one hand, the 3D processing device 130 can directly obtain the human eye tracking data from the human eye tracking device, and on the other hand, the human eye tracking device can obtain the eye tracking data. other information can be processed by the processor.

In some embodiments, the human eye tracking device obtains the lateral position of the user's eyes in real time to determine the first-direction viewpoint where the user's eyes are located. The 3D processing apparatus renders, based on the first-direction viewpoint where the user's eyes are located, the sub-pixels corresponding to the first-direction viewpoint in the i×j array of same-color sub-pixels of each composite sub-pixel.

In some embodiments, the human eye tracking device obtains the depth position of the user's eyes in real time to determine the second-direction viewpoint where the user's eyes are located. Alternatively, the human eye tracking device acquires the height position of the user's eyes in real time to determine the viewpoint in the second direction where the user's eyes are located. Alternatively, the human eye tracking device acquires the height position and the depth position of the user's eyes in real time to determine the viewpoint in the second direction where the user's eyes are located. The 3D processing apparatus renders, based on the second-direction viewpoint where the user's eyes are located, the sub-pixels corresponding to the second-direction viewpoint in the i×j array of same-color sub-pixels of each composite sub-pixel.

Referring to FIG. 6, an example of dynamically rendering corresponding sub-pixels in a composite sub-pixel based on real-time human eye tracking data in a multi-view naked-eye 3D display device is shown. The figure shows a red composite sub-pixel 410 composed of an i×j array of red sub-pixels R, where i=6, corresponding to 6 row-direction viewpoints of a multi-view naked-eye 3D display device, and j=3, corresponding to multiple Viewpoints 3 column-direction viewpoints for a naked-eye 3D display device. The real-time eye-tracking data may be acquired in real-time by an eye-tracking device, for example. When the human eye tracking device acquires that a user's eyes are located at the viewpoints Vi ₁ j ₁ and Vi ₂ j ₁ , it generates an image of the viewpoint where the user's eyes are located based on the video frame of the 3D video signal, and renders i×j of the red composite sub-pixel 410 Two red sub-pixels Ri ₁ j ₁ and Ri ₂ j ₁ in the array of red sub-pixels R corresponding to the viewpoints Vi ₁ j ₁ and Vi ₂ j ₁ . When the eye tracking device acquires that another user's eyes are located at the viewpoints Vi ₃ j ₂ and Vi ₄ j ₂ , it generates an image of the viewpoint where the user's eyes are located based on the video frame of the 3D video signal, and renders the i× of the red composite sub-pixel 410 Two red sub-pixels Ri ₃ j ₂ , Ri ₄ j ₂ in the j-array red sub-pixels R corresponding to the viewpoints Vi ₃ j ₂ , Vi ₄ j ₂ . When the human eye tracking device acquires another user's eyes at viewpoints Vi ₅ j ₃ and Vi ₆ j ₃ , it generates an image of the viewpoint at which the user's eyes are located based on the video frame of the 3D video signal, and renders the i× of the red composite sub-pixel 410 Two red sub-pixels Ri ₅ j ₃ , Ri ₆ j ₃ in the j-array red sub-pixels R corresponding to the viewpoints Vi ₅ j ₃ , Vi ₆ j ₃ . Therefore, users in different row positions (horizontal positions) and column positions (including depth positions and height positions) in front of the display panel can all see appropriate 3D images.

The multi-view naked-eye 3D display device according to the embodiment of the present invention can be applied to a video playback device, for example, it can be presented as a mobile terminal (such as a mobile phone or a tablet computer), a TV, a mobile TV, a computer, a cinema viewing system or a home viewing system system.

The foregoing description and drawings sufficiently illustrate embodiments of the invention to enable those skilled in the art to practice them. Other embodiments may include structural, logical, electrical, process, and other changes. Unless expressly required, individual components and functions are optional and the order of operations may vary. Portions and features of some embodiments may be included in or substituted for those of other embodiments. The scope of embodiments of the present invention includes the full scope of the claims, along with all available equivalents of the claims. The terms used in this disclosure are used to describe the embodiments only and not to limit the claims. When used in the present invention, the terms "comprising" and the like refer to the presence of at least one of the stated features, but do not exclude the presence of other features.

Those skilled in the art can realize that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Skilled artisans may use different methods for implementing the described functionality for each particular application, but such implementations should not be considered beyond the scope of embodiments of the present invention.

Claims (17)

1. A multi-view naked-eye 3D display screen is characterized in that, comprising: a display panel having a plurality of composite pixels, each composite pixel in the plurality of composite pixels includes a plurality of composite sub-pixels, and each composite sub-pixel in the plurality of composite sub-pixels includes a plurality of sub-pixels in an array; and a plurality of spherical gratings covering the plurality of composite sub-pixels. 2 . The multi-view naked-eye 3D display screen according to claim 1 , wherein each composite sub-pixel is square. 3 . 3 . The multi-view naked-eye 3D display screen according to claim 2 , wherein each sub-pixel in the plurality of sub-pixels is square. 4 . 4 . The multi-view naked-eye 3D display screen according to claim 2 , wherein the plurality of sub-pixels are in an i×j array, where j≧2 and i≧2. 5 . 5 . The multi-view naked-eye 3D display screen according to claim 4 , wherein the aspect ratio of each sub-pixel in the plurality of sub-pixels is i/j. 6 . 6 . The multi-view naked-eye 3D display screen according to claim 4 , wherein i≥3, and j≥3. 7 . 7 . The multi-view naked-eye 3D display screen according to claim 1 , wherein the plurality of composite sub-pixels have different colors, and the plurality of composite sub-pixels with different colors are alternately arranged. 8 . 8 . The multi-view naked-eye 3D display screen according to claim 7 , wherein the plurality of composite sub-pixels with different colors are arranged in a triangle. 9 . 9 . The multi-view naked-eye 3D display screen according to claim 1 , wherein at least one spherical grating in the plurality of spherical gratings is a spherical grating or an elliptical spherical grating. 10 . 10 . The multi-view naked-eye 3D display screen according to claim 9 , wherein at least one spherical grating in the plurality of spherical gratings further comprises at least one side surface. 11 . 11. A multi-view naked-eye 3D display device, characterized in that, comprising: The multi-view naked-eye 3D display screen of any one of claims 1 to 10; and A 3D processing device configured to render sub-pixels of a plurality of composite sub-pixels in the multi-view naked-eye 3D display screen. 12 . The multi-view naked-eye 3D display device according to claim 11 , wherein each composite sub-pixel comprises a plurality of sub-pixels in an i×j array; 12 . The plurality of sub-pixels in the i×j array correspond to i first-direction viewpoints and j second-direction viewpoints of the multi-view naked-eye 3D display device. 13 . The multi-view naked eye 3D display device according to claim 11 , further comprising: a device for acquiring human eye tracking data, configured to acquire human eye tracking data. 14 . 14. The multi-view naked-eye 3D display device according to claim 13, wherein: The human eye tracking data acquisition device is configured to acquire the lateral position of the user's eyes to determine the first-direction viewpoint where the user's eyes are located. 15 . The multi-view naked-eye 3D display device according to claim 14 , wherein the 3D processing means is configured to render the plurality of sub-pixels in an array based on a first-direction viewpoint where the user's eyes are located. 16 . Subpixels corresponding to the viewpoint in the first direction. 16. The multi-view naked-eye 3D display device according to claim 14 or 15, wherein the human eye tracking data acquisition means is configured to acquire at least one of a depth position and a height position of the user's eyes to determine The viewpoint in the second direction where the user's eyes are located. 17 . The multi-view naked-eye 3D display device according to claim 16 , wherein the 3D processing means is configured to render the plurality of sub-pixels in an array based on a second-direction viewpoint where the user's eyes are located. 18 . sub-pixels corresponding to the viewpoint in the second direction.

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