KR101185297B1 - 영상 프로젝터 - Google Patents
영상 프로젝터 Download PDFInfo
- Publication number
- KR101185297B1 KR101185297B1 KR1020100009303A KR20100009303A KR101185297B1 KR 101185297 B1 KR101185297 B1 KR 101185297B1 KR 1020100009303 A KR1020100009303 A KR 1020100009303A KR 20100009303 A KR20100009303 A KR 20100009303A KR 101185297 B1 KR101185297 B1 KR 101185297B1
- Authority
- KR
- South Korea
- Prior art keywords
- light
- optical
- modulator
- light beam
- color
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B33/00—Colour photography, other than mere exposure or projection of a colour film
- G03B33/10—Simultaneous recording or projection
- G03B33/12—Simultaneous recording or projection using beam-splitting or beam-combining systems, e.g. dichroic mirrors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
- H04N9/315—Modulator illumination systems
- H04N9/3161—Modulator illumination systems using laser light sources
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/005—Projectors using an electronic spatial light modulator but not peculiar thereto
- G03B21/008—Projectors using an electronic spatial light modulator but not peculiar thereto using micromirror devices
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2006—Lamp housings characterised by the light source
- G03B21/2033—LED or laser light sources
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/28—Reflectors in projection beam
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3102—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators
- H04N9/3105—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying all colours simultaneously, e.g. by using two or more electronic spatial light modulators
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
- H04N9/315—Modulator illumination systems
- H04N9/3155—Modulator illumination systems for controlling the light source
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3179—Video signal processing therefor
- H04N9/3182—Colour adjustment, e.g. white balance, shading or gamut
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3191—Testing thereof
- H04N9/3194—Testing thereof including sensor feedback
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2360/00—Aspects of the architecture of display systems
- G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
- G09G2360/145—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light originating from the display screen
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Optics & Photonics (AREA)
- Projection Apparatus (AREA)
Abstract
Description
도 3은 종래의 영상 프로젝터의 광학계 구성을 나타내는 도면.
도 4는 본 발명에 따른 영상 프로젝터의 광학계에서 광 변조기를 이용한 동작 원리를 도식적으로 표현한 도면.
도 5는 본 발명의 제1실시 예에 따른 영상 프로젝터의 광학계를 나타내는 구성도.
도 6은 본 발명의 제2실시 예에 따른 영상 프로젝터의 광학계를 나타내는 구성도.
Claims (9)
- 영상 프로젝터에 있어서,
적어도 3개 이상의 독립된 광원들을 구비한 조명 광학부;
상기 조명 광학부에서 출사된 광 빔을 영상 신호에 따라서 변조하는 광 변조기;
상기 광 변조기에 의해 변조된 광 중, 스크린에 투사하여 이미지를 형성하기 위한 결상 광학부; 및
상기 스크린에 투사될 광 빔의 방향과 다른 방향으로 진행하는 광 경로에 배치되어서, 상기 광 변조기에 의해 변조된 광 빔 중 일부를 수광하여 색보정에 필요한 측정값을 제공하는 광 센서를 포함하고, 상기 광 변조기와 결상 광학부 사이의 광 경로 상에 TIR 프리즘이 더 구비되어서, 상기 조명 광학부로부터 출사된 광 빔 중, 상기 프리즘에 의해 반사된 광 빔 일부는 상기 광 변조기에 의해 반사되어 결상 광학부쪽으로 향하고, 상기 프리즘에 의해 반사된 나머지 광 빔은 상기 광 센서쪽으로 향하여 색보정에 이용되어짐을 특징으로 하는 영상 프로젝터.
- 삭제
- 제1항에 있어서, 상기 광 변조기는 DMD, GEMS, GLV 또는 SOM 중, 어느 하나로 구성되어짐을 특징으로 하는 영상 프로젝터.
- 제1항에 있어서, 상기 광 센서는 칼라 센서, CCD 센서, CMOS 센서 또는 포토 다이오드 중 어느 하나로 구성되어짐을 특징으로 하는 영상 프로젝터.
- 삭제
- 삭제
- 제1항에 있어서, 상기 프리즘과 광 변조기 사이에 필드 렌즈부가 구비되어서, 상기 프리즘에서 반사된 광 빔을 상기 광 변조기쪽으로 집광함을 특징으로 하는 영상 프로젝터.
- 제1항에 있어서, 상기 광원들은 각각 RGB 색상을 가지는 엘이디 광원으로 구성되어짐을 특징으로 하는 영상 프로젝터.
- 제1항에 있어서, 상기 광원들은 각각 RGB 색상을 가지는 레이져 광원으로 구성되어짐을 특징으로 하는 영상 프로젝터.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020100009303A KR101185297B1 (ko) | 2010-02-01 | 2010-02-01 | 영상 프로젝터 |
| US12/985,701 US8450675B2 (en) | 2010-02-01 | 2011-01-06 | Image projector having a photo sensor providing measurement values necessary for a color calibration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020100009303A KR101185297B1 (ko) | 2010-02-01 | 2010-02-01 | 영상 프로젝터 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20110089763A KR20110089763A (ko) | 2011-08-09 |
| KR101185297B1 true KR101185297B1 (ko) | 2012-09-21 |
Family
ID=44341383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020100009303A Expired - Fee Related KR101185297B1 (ko) | 2010-02-01 | 2010-02-01 | 영상 프로젝터 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US8450675B2 (ko) |
| KR (1) | KR101185297B1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100682825B1 (ko) * | 2002-12-09 | 2007-02-15 | 주식회사 바이오굴바라 | 연을 이용한 술 및 그 술의 제조방법 |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8272744B2 (en) * | 2008-08-28 | 2012-09-25 | Texas Instruments Incorporated | LED package having improved light coupling efficiency for an optical system and method of manufacture thereof |
| CN102759801A (zh) * | 2011-04-25 | 2012-10-31 | 旭丽电子(广州)有限公司 | 立体光学元件、其制造方法以及投影设备 |
| CN106796385A (zh) * | 2014-07-31 | 2017-05-31 | 惠普发展公司,有限责任合伙企业 | 具有针对白点的调整的图像投影和捕获 |
| KR101659898B1 (ko) * | 2015-12-04 | 2016-09-30 | 주식회사 세코닉스 | 광검출소자를 포함하는 프로젝터 |
| CN113554962A (zh) * | 2021-07-19 | 2021-10-26 | 苏州智瞳道和显示技术有限公司 | 一种投影机的动态调测方法、装置和系统 |
| CN118138731A (zh) * | 2022-12-02 | 2024-06-04 | 台达电子工业股份有限公司 | 投影系统及其校正方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007079402A (ja) * | 2005-09-16 | 2007-03-29 | Nikon Corp | プロジェクタ |
| JP2007248997A (ja) * | 2006-03-17 | 2007-09-27 | Casio Comput Co Ltd | 投影装置、投影方法、及び、プログラム |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000194275A (ja) | 1998-12-28 | 2000-07-14 | Toshiba Corp | 画像表示装置 |
| JP4631370B2 (ja) | 2004-09-21 | 2011-02-16 | 株式会社ニコン | プロジェクタ装置、携帯電話、カメラ |
| US20080259289A1 (en) | 2004-09-21 | 2008-10-23 | Nikon Corporation | Projector Device, Portable Telephone and Camera |
| KR101011564B1 (ko) | 2006-03-17 | 2011-01-27 | 가시오게산키 가부시키가이샤 | 투영 장치, 투영 방법 및 컴퓨터 프로그램을 기록한 기록매체 |
| JP4525767B2 (ja) * | 2008-02-14 | 2010-08-18 | ソニー株式会社 | 照明装置及び表示装置 |
| KR101597822B1 (ko) | 2008-11-25 | 2016-02-25 | 삼성전자주식회사 | 프로젝터의 색온도 조절 방법 |
-
2010
- 2010-02-01 KR KR1020100009303A patent/KR101185297B1/ko not_active Expired - Fee Related
-
2011
- 2011-01-06 US US12/985,701 patent/US8450675B2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007079402A (ja) * | 2005-09-16 | 2007-03-29 | Nikon Corp | プロジェクタ |
| JP2007248997A (ja) * | 2006-03-17 | 2007-09-27 | Casio Comput Co Ltd | 投影装置、投影方法、及び、プログラム |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100682825B1 (ko) * | 2002-12-09 | 2007-02-15 | 주식회사 바이오굴바라 | 연을 이용한 술 및 그 술의 제조방법 |
Also Published As
| Publication number | Publication date |
|---|---|
| US8450675B2 (en) | 2013-05-28 |
| KR20110089763A (ko) | 2011-08-09 |
| US20110188002A1 (en) | 2011-08-04 |
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