CN2425263Y - Organic light-emitting diode illuminator - Google Patents
Organic light-emitting diode illuminator Download PDFInfo
- Publication number
- CN2425263Y CN2425263Y CN00235550U CN00235550U CN2425263Y CN 2425263 Y CN2425263 Y CN 2425263Y CN 00235550 U CN00235550 U CN 00235550U CN 00235550 U CN00235550 U CN 00235550U CN 2425263 Y CN2425263 Y CN 2425263Y
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- Prior art keywords
- organic light
- emitting diode
- light emitting
- string
- lighting device
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- 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.)
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- 239000003086 colorant Substances 0.000 claims description 5
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 230000000505 pernicious effect Effects 0.000 claims description 4
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- 229910052761 rare earth metal Inorganic materials 0.000 description 2
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- 229910052782 aluminium Inorganic materials 0.000 description 1
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- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 description 1
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- 238000004528 spin coating Methods 0.000 description 1
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- Electroluminescent Light Sources (AREA)
- Liquid Crystal (AREA)
Abstract
The utility model discloses an organic light-emitting diode lighting device. The utility model is provided with at least one base plate, at least one series is arranged on each of the base plates, each of the series is provided with two organic light-emitting diodes mutually connected in series, a constant current device or a current limiting device and an electric connector; when external DC voltage or external AC voltage passes through the electric connector and is added to the organic light-emitting diodes, the light is generated; the utility model can be made into a monochromatic, multi-color or panchromatic plane surface light source or a monochromatic, multi-color or panchromatic three-dimensional light source and the utility model can be used for lighting, signal indication, character display, liquid crystal display back lighting, etc.
Description
The utility model relates to a kind of lighting device, particularly a kind of lighting device made from Organic Light Emitting Diode.Can be used for throwing light on, the back illumination of signal indication and liquid crystal display etc.
The Organic Light Emitting Diode of prior art comprises little molecule Organic Light Emitting Diode (OLED), thin polymer film light emitting diode (polymerLED) and rare earth Organic Light Emitting Diode etc.; They have that operating temperature range is big, luminous efficiency is high, brightness is high, simple in structure, advantage such as cost is low and reaction speed is fast, are sharp very good light-emitting components.But the Organic Light Emitting Diode of prior art also comes with some shortcomings.At first, because the organic light emission film is very thin, generally only about 0.14 micron, make with vacuum chamber evaporation, rotation coated (spin-coating), ink-jet (ink-jet) or print process, large tracts of land is difficult to very even, is only limited to the display of making small size at present, for example less than 5 inches; Secondly as lighting source, the Organic Light Emitting Diode that full wafer is continuous is easy to owing to some punctures make electric pole short circuit entire device be scrapped; The 3rd, because Organic Light Emitting Diode is the low-voltage, high-current device, large-area Organic Light Emitting Diode needs very big electric current, and electrode resistance must be very little, is difficult for making; The 4th, when working with electric main, for example 220V, 50Hz or 110V, 60Hz etc., voltage must reduce, thereby has increased cost, has reduced luminous efficiency.
The purpose of this utility model is to overcome the deficiency of above-mentioned existence, and a kind of high-power, large tracts of land, high efficiency Organic Light Emitting Diode lighting device are provided, and can be used for throwing light on, the signal indication, character shows and the back illumination of liquid crystal display etc.
The purpose of this utility model is finished by following technical solution.It has a substrate at least, have at least a string, every string to have two Organic Light Emitting Diodes of series connection mutually at least on the substrate, in a back of the body sealing plate is sealed in Organic Light Emitting Diode, constant current or current-limiting apparatus and at least two electric connecting terminals of a series connection are arranged on every string Organic Light Emitting Diode.When suitable direct current or alternating voltage were added to Organic Light Emitting Diode through electric connector and constant current or current-limiting apparatus, Organic Light Emitting Diode was promptly luminous.
Described substrate is made by glass or plastics, and back of the body sealing plate is made by glass, plastics or metal, and the two is by the fluid sealant sealing and constitute closed chamber, is placed with the getter of pernicious gases such as absorbing steam and oxygen in closed chamber.
Half is arranged in the Organic Light Emitting Diode string described in the utility model or closely half is that forward connects, all the other are oppositely to connect, they work in the positive half cycle and the negative half period of alternating voltage respectively, and operating voltage and external power that the number of every string Organic Light Emitting Diode is chosen in it are complementary.
Described every string Organic Light Emitting Diode is serially connected with the diode of a high back-pressure.To improve breakdown reverse voltage, improve reliability.
The constant current tube that constant current that is connected in series on described every string Organic Light Emitting Diode or current-limiting apparatus can be three end controlled current changes the voltage of described constant current tube grid, can change the electric current that passes through, thus can regulate luminous brightness and bright and do not work; Described constant current or current-limiting apparatus can be fabricated on the substrate or be connected in outside the substrate.
Described Organic Light Emitting Diode lighting device is characterized in that described every string Organic Light Emitting Diode can be same illuminant colour, also can be not homochromy, or light emitting diode red, blue, green three primary colours.The brightness of Organic Light Emitting Diode or bright and do not work is respectively gone here and there in control, can obtain not homochromy light or light source red, blue, that green glow is bright in succession.
The described Organic Light Emitting Diode of respectively going here and there for example can be aligned to " EXIT " or character font, definite shape or figures such as " outlets ".Its illuminant colour can be monochrome or polychrome, to show monochrome or polychrome character signal or figure.
Description of drawings is as follows:
Fig. 1 is the structural representation of Organic Light Emitting Diode lighting device of the present utility model.
Fig. 2 is the another structural representation of Organic Light Emitting Diode lighting device of the present utility model.
Figure 3 shows that the structural representation that has N string, every string that n Organic Light Emitting Diode arranged on the substrate.
Fig. 4 is the circuit connection diagram when working with DC voltage.
Fig. 5 is the circuit connection diagram when working with alternating voltage.
Fig. 6 is the circuit diagram of a luminosity and controllable color.
Fig. 7 is the example schematic of " EXIT " indicator panel.
Below in conjunction with accompanying drawing the utility model is described in detail:
Fig. 1 is the structural representation of Organic Light Emitting Diode lighting device of the present utility model.101 is front view among Fig. 1, and 102 are side-looking A-A profile.Substrate 1 is made by glass or plastics among Fig. 1; Anode 2 is made by tin indium oxide nesa coatings such as (ITO); At least one deck organic light emission film 3 is made by the organic film of little molecule, polymer film (polymer) or the organic film of rare earth; Negative electrode 4 is made by conductive materials such as aluminium or magnesium/silver.An anode (as 2a among Fig. 1), a negative electrode (as 4a among Fig. 1) and organic luminous layer 3 are formed an Organic Light Emitting Diode L1.When anode and negative electrode 2 and 4 add a suitable direct current or an alternating voltage, for example about 10V, this diode L1 is promptly luminous.Back of the body sealing plate 6 is made by glass, plastics, fluid sealant or metal among Fig. 1, and it and substrate 1 seal mutually with fluid sealant 7, for example epoxy resin mutually and constitute a closed chamber, in Organic Light Emitting Diode is sealed in.The getter 8 that pernicious gases such as absorbing steam and oxygen can be arranged in the said closed chamber, for example molecular sieve, calcium oxide etc. are to improve device lifetime.
Can have a stringly at least on the substrate 1, every string has two Organic Light Emitting Diodes at least, and as L1 among Fig. 1, shown in the L2......Ln, they are connected mutually, and for example the negative electrode 4a of diode L1 is electrically connected with the anode 2b of diode L2; The negative electrode 4b of diode L2 links to each other with the anode of next diode, so analogizes, and forms the Organic Light Emitting Diode of a string mutual series connection.When adding suitable direct current or alternating voltage between the electric connecting terminal 9 and 10 among Fig. 1, each Organic Light Emitting Diode is promptly luminous.
In described a string n the Organic Light Emitting Diode, if when a puncture short is arranged, this diode will not worked, and luminosity will reduce 1/n, and other Organic Light Emitting Diodes still can operate as normal.
When powering with alternating voltage, the Organic Light Emitting Diode string can have half or closely half is that forward connects, and all the other are oppositely to connect, and they work in the positive half cycle and the negative half period of alternating voltage respectively.
Described Organic Light Emitting Diode, every string have the constant current or the current-limiting apparatus of a series connection, and it can be produced on the substrate 1 or be connected in outside the substrate.Fig. 2 is the example that is produced on the substrate 1.11 is described constant current or current-limiting apparatus among Fig. 2.When adding suitable drag flow or alternating voltage 12 between electric connecting terminal 9 and 10, this string light emitting diode is just luminous.Also has electrical connection device 13 among the figure.Identical among other digital meaning and Fig. 1 among Fig. 2.
Figure 3 shows that the example that has N string, every string that the lighting device 301 of n Organic Light Emitting Diode is arranged on the substrate 1, is the N string as C1, C2......CN among Fig. 3, and every string has L1, L2......Ln Organic Light Emitting Diode.
Described Organic Light Emitting Diode, each string can be same illuminant colour, also can be not homochromy, polychrome or red, blue, green three primary colours for example, Figure 3 shows that the example of red (R), blue (B), green (G) three primary colours, control the fluorescent lifetime or the light intensity of not homochromy diode, can obtain not homochromy light, thereby also can alternately connect R, G, the B diode can be used for polychrome or panchromatic liquid crystal display back illumination.Identical among other digital meaning and Fig. 1 among Fig. 3.
Fig. 4 is the circuit connection diagram when working with DC voltage.401 is dc source among Fig. 4, and 402 are the Organic Light Emitting Diode that N goes here and there (C1, C2......CN), every string has n individual (L1, L2......Ln), and 11 is the constant current or the current-limiting apparatus of connecting with every string Organic Light Emitting Diode, for example constant current tube or resistance etc.
Fig. 5 is the circuit connection diagram when working with alternating voltage.501 is AC power among Fig. 5, for example is the alternating current of 220V50HZ, 110V60HZ.502 have the Organic Light Emitting Diode of n for N goes here and there every string.Constant current shown in the figure or current-limiting apparatus 11.
The direction of N string Organic Light Emitting Diode can have half or closely half is a forward among Fig. 5, and all the other are reverse, and they work in the positive half cycle and the negative half period of alternating voltage respectively.
The number n of every string Organic Light Emitting Diode can be chosen in it among Fig. 5 operating voltage and alternating voltage 501 are complementary, and for example alternating voltage is 220V or 110V, can directly connect and need not step-down, with simplified structure, reduce cost.
Every string Organic Light Emitting Diode also can be connected in series a high back-pressure diode 14 again among Fig. 5, to improve breakdown reverse voltage, increases reliability.
Figure 6 shows that the circuit diagram of a luminosity and controllable color.601 is power supply among the figure, 602 is Nn Organic Light Emitting Diode, 15 is the constant current tube of three end controlled current among the figure, LND150 for example, electric current through this constant current tube can be by the Control of Voltage of grid G 1, G2......GN, regulate the voltage of this grid, can regulate electric current, can regulate the brightness of described lighting device through this constant current tube.When the voltage that adds out on the grid and close, also can make this string Organic Light Emitting Diode bright or do not work.If described N string Organic Light Emitting Diode be not homochromy luminous tube, for example be the luminous tube of red (R), indigo plant (B), green (G) three primary colours, then control the constant current tube 15 of respectively going here and there on the luminous tube, can obtain the light source that not homochromy light or R, G, B open in succession and close.Be used for polychrome and panchromatic liquid crystal display back illumination etc.
Organic Light Emitting Diode lighting device of the present utility model can be made into large-area planar light source, is used to throw light on, the signal indication, character shows and the back illumination of liquid crystal display etc.
Organic Light Emitting Diode of the present utility model also can be made into the character or the figure of definite shape, and for example " outlet " and " EXIT " etc. are used to show monochrome or polychrome character signal or figure.Fig. 7 is the example of " EXIT " indicator panel.19 is clear glass or plastic base among the figure, has N string, every string that n Organic Light Emitting Diode is arranged on its inner surface, is arranged in the font of " EXIT ", and its illuminant colour can be red or green or other look.Back of the body sealing plate 6 is sealed by fluid sealant 7 and substrate 19, and the getter of pernicious gases such as suction vapour and oxygen can be arranged in the closed chamber.If need double-sided display, then backboard 6 can be the same with substrate 19, and the Organic Light Emitting Diode that shows character is also arranged; 20 is electric power connection line.
Organic Light Emitting Diode lighting device of the present utility model also can be made into three-dimensional light source, for example similar light source of external form such as ordinary incandescent lamp or desk lamp etc.
Organic light-emitting diode illuminator of the present utility model compared with prior art has big merit Rate, reliability height, efficient height, simple in structure, the characteristics such as cost is low and the life-span is long. Can be used for throwing light on, Signal indication, character demonstration and liquid crystal display back illumination etc.
Claims (7)
1, a kind of Organic Light Emitting Diode lighting device, it is characterized in that it has a substrate (1) at least, have at least a string, every string to have two Organic Light Emitting Diodes (101) of series connection mutually at least on the substrate, in a back of the body sealing plate (6) is sealed in Organic Light Emitting Diode, and at least two electric connecting terminals (9,10).
2, Organic Light Emitting Diode lighting device as claimed in claim 1, it is characterized in that described substrate (1) made by glass or plastics, back of the body sealing plate plate (6) is made by glass, plastics or metal, the two is by fluid sealant (7) sealing and constitute closed chamber, is placed with the getter (8) of pernicious gases such as absorbing steam and oxygen in the closed chamber.
3, Organic Light Emitting Diode lighting device as claimed in claim 1 or 2, it is characterized in that having in the described Organic Light Emitting Diode half or closely half is that forward connects, all the other are oppositely to connect, they work in the positive half cycle and the negative half period of alternating voltage respectively, and operating voltage and external power that the number of every string Organic Light Emitting Diode is chosen in it are complementary.
4, Organic Light Emitting Diode lighting device as claimed in claim 4 is characterized in that described every string Organic Light Emitting Diode is serially connected with the diode of a high back-pressure.
5, Organic Light Emitting Diode lighting device as claimed in claim 5 is characterized in that described every string Organic Light Emitting Diode (101) is serially connected with constant current or current-limiting apparatus (11,15), and it is the constant current or the device of two ends or three end controlled current; Described constant current or current-limiting apparatus are fabricated on substrate (1) and go up or be connected in outside the substrate (1).
6, Organic Light Emitting Diode lighting device as claimed in claim 5 is characterized in that described every string Organic Light Emitting Diode (101) can be same illuminant colour, also can be not homochromy, or light emitting diode red, blue, green three primary colours.
7, Organic Light Emitting Diode lighting device as claimed in claim 6 is characterized in that the described Organic Light Emitting Diode (101) of respectively going here and there for example is aligned to " EXIT " or character font, definite shape or figures such as " outlets ".
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00235550U CN2425263Y (en) | 2000-05-29 | 2000-05-29 | Organic light-emitting diode illuminator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00235550U CN2425263Y (en) | 2000-05-29 | 2000-05-29 | Organic light-emitting diode illuminator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2425263Y true CN2425263Y (en) | 2001-03-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN00235550U Expired - Fee Related CN2425263Y (en) | 2000-05-29 | 2000-05-29 | Organic light-emitting diode illuminator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2425263Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1329771C (en) * | 2002-07-25 | 2007-08-01 | 友达光电股份有限公司 | Contact pad capable of preventing surface oxidation and manufacturing method thereof |
| CN100338487C (en) * | 2003-03-31 | 2007-09-19 | 奥斯兰姆奥普托半导体股份有限两合公司 | Method for manufacturing lighting device and lighting device |
| CN100447515C (en) * | 2003-08-29 | 2008-12-31 | Bsh博世和西门子家用器具有限公司 | Cooling unit with OLED interior lighting |
| CN102466152A (en) * | 2010-11-19 | 2012-05-23 | 晶宏半导体股份有限公司 | Light-emitting module and light-emitting device with the light-emitting module |
| CN103474447A (en) * | 2010-04-28 | 2013-12-25 | 三星显示有限公司 | Thin film deposition apparatus, method of manufacturing organic light-emitting display device, and display device |
| US9748483B2 (en) | 2011-01-12 | 2017-08-29 | Samsung Display Co., Ltd. | Deposition source and organic layer deposition apparatus including the same |
| US10246769B2 (en) | 2010-01-11 | 2019-04-02 | Samsung Display Co., Ltd. | Thin film deposition apparatus |
-
2000
- 2000-05-29 CN CN00235550U patent/CN2425263Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1329771C (en) * | 2002-07-25 | 2007-08-01 | 友达光电股份有限公司 | Contact pad capable of preventing surface oxidation and manufacturing method thereof |
| CN100338487C (en) * | 2003-03-31 | 2007-09-19 | 奥斯兰姆奥普托半导体股份有限两合公司 | Method for manufacturing lighting device and lighting device |
| CN100447515C (en) * | 2003-08-29 | 2008-12-31 | Bsh博世和西门子家用器具有限公司 | Cooling unit with OLED interior lighting |
| US10246769B2 (en) | 2010-01-11 | 2019-04-02 | Samsung Display Co., Ltd. | Thin film deposition apparatus |
| US10287671B2 (en) | 2010-01-11 | 2019-05-14 | Samsung Display Co., Ltd. | Thin film deposition apparatus |
| US12442069B2 (en) | 2010-01-11 | 2025-10-14 | Samsung Display Co., Ltd. | Thin film deposition apparatus |
| CN103474447A (en) * | 2010-04-28 | 2013-12-25 | 三星显示有限公司 | Thin film deposition apparatus, method of manufacturing organic light-emitting display device, and display device |
| CN103474447B (en) * | 2010-04-28 | 2016-09-21 | 三星显示有限公司 | Film deposition equipment, the method manufacturing organic light-emitting display device and display device |
| CN102466152A (en) * | 2010-11-19 | 2012-05-23 | 晶宏半导体股份有限公司 | Light-emitting module and light-emitting device with the light-emitting module |
| US9748483B2 (en) | 2011-01-12 | 2017-08-29 | Samsung Display Co., Ltd. | Deposition source and organic layer deposition apparatus including the same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |