CN1556664A - Organic electric excitation lighting display device - Google Patents
Organic electric excitation lighting display device Download PDFInfo
- Publication number
- CN1556664A CN1556664A CNA2003101243394A CN200310124339A CN1556664A CN 1556664 A CN1556664 A CN 1556664A CN A2003101243394 A CNA2003101243394 A CN A2003101243394A CN 200310124339 A CN200310124339 A CN 200310124339A CN 1556664 A CN1556664 A CN 1556664A
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- luminescent
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- 230000005284 excitation Effects 0.000 title 1
- 239000000463 material Substances 0.000 claims description 7
- 230000003287 optical effect Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 239000000758 substrate Substances 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 2
- 239000004973 liquid crystal related substance Substances 0.000 claims description 2
- 230000035515 penetration Effects 0.000 abstract 1
- 239000010408 film Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000027756 respiratory electron transport chain Effects 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 239000000549 coloured material Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
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Abstract
The invention relates to an integral organic electric illuminant monitor, which contains transparent displaying panel, a reflecting plate and an adjustable light penetration brightness film, which is arranged between the transparent displaying panel and the reflecting plate.
Description
Technical field
The present invention relates to a kind of organic electro-luminescent display technology, relate in particular to a kind of integrated organic electro-luminescent display, be that a transparent display panel adjustable lay the grain of arranging in pairs or groups is penetrated the diaphragm of brightness, then under different lightness environment, still can meet the demand of high-contrast during operation.
Background technology
In the Display Technique of the plane of new century, organic electro-luminescent display (organicelectro-1uminescent display, hereinafter to be referred as OLED) be a kind of thin film lamination escope that utilizes organic compound as luminescent material, have advantages such as self-luminous, slim, light weight, low driving voltage.Generally speaking, the thin film lamination structure on the glass basic surface of OLED assembly includes an anode conductive layer, an electric hole implanted layer, an electric hole transfer layer, an organic electric-excitation luminescent film, an electron transfer layer, an electron injecting layer and a cathodic metal layer.When extra electric field after on the OLED assembly, the electric hole that electronics that the cathodic metal layer is produced and anode conductive layer produce can relatively move in the organic electric-excitation luminescent film, then can convert luminescence phenomenon through electronics to combining again just of electric hole.
But when operating the OLED assembly under the external environment condition of high brightness, its internal reflection electrode layer can reflect external environment condition light, makes the contrast of OLED assembly reduce.The mode of the known OLED of improvement assembly contrast has two kinds, and wherein a kind of mode is to use the black light-absorbing material to make electrode, to avoid producing reflection; Another kind of mode is to use light polarizing film (polarizer), and it is to utilize principle of interference to adjust incident light and reverberation, presenting destruction interference, and then eliminates the internal reflection phenomenon.United States Patent (USP) the 6th, 211 proposes a kind of OLED structure, can improve contrast and reduce consumption rate for No. 613.See also Fig. 1, it shows the generalized section of known OLED.One OLED assembly 10 includes a transparent substrates 12, an anode layer 14, a luminescent layer 16, a cathode layer 18, an insulating barrier 20 and a reflector 22, and a side of transparent substrates 12 is provided with an annular polaroid (circular polarizer) 24.Anode layer 14 is that (for example: ITO), cathode layer 18 is aluminum metal layers to a transparent conductive material, and insulating barrier 20 is alumina layers, and reflector 22 is aluminum metal layers.Arrow L
tBe that expression one extraneous light incides OLED assembly 10 inside, arrow L
rBe that this extraneous light of expression reflects from OLED assembly 10, but can be stopped arrow L by annular polaroid 24
eBe the light that expression OLED assembly 10 is launched, its penetrable annular polaroid 24.Though aforesaid way can reduce the internal reflection phenomenon that external environment condition light is caused, can make the luminous intensity of OLED assembly 10 reduce 50%.
Summary of the invention
In view of this, purpose of the present invention just is to provide a kind of integrated organic electro-luminescent display, is a transparent display panel adjustable lay the grain of arranging in pairs or groups is penetrated the diaphragm of brightness, then still can satisfy the demand of high-contrast under different lightness environment during operation.
For achieving the above object, the invention provides a kind of integrated organic electro-luminescent display, include a transparent display panel, a reflector plate and an adjustable lay the grain and penetrate the brightness diaphragm, adjustable lay the grain penetrates the brightness diaphragm and is arranged between this transparent display panel and this reflector plate.
For above and other objects of the present invention, feature and advantage can be become apparent, a preferred embodiment cited below particularly, and in conjunction with the accompanying drawings, elaborate.
Description of drawings
Fig. 1 shows the generalized section of known OLED.
Fig. 2 shows the generalized section of organic electro-luminescent display of the present invention.
Fig. 3 is presented at external environment condition light when brighter, the situation of the grating diaphragm control light amount of penetrating.
Fig. 4 is presented at external environment condition light when dark, the situation of the grating diaphragm control light amount of penetrating.
The drawing reference numeral explanation
Known technology:
OLED assembly-10; Transparent substrates-12; Anode layer-14; Luminescent layer-16; Cathode layer-18; Insulating barrier-20; Reflector-22; Annular polaroid-24.
The technology of the present invention:
Transparent display panel-30; Transparent substrates-32; First transparent electrode layer-34; Luminescent layer-36; Second transparent electrode layer-38; Adjustable lay the grain penetrates brightness diaphragm-40; Reflector plate-42; Photoinduction device-44; Light-46,48,50,52,54.
Embodiment
See also Fig. 2, it shows the generalized section of organic electro-luminescent display of the present invention.One integrated organic electro-luminescent display, it includes a transparent display panel 30, one adjustable lay the grain and penetrates brightness diaphragm 40, a reflector plate 42 and a Photoinduction device (photo sensor) 44, and must adjustable lay the grain penetrates brightness diaphragm 40 and be arranged between transparent display panel 30 and the reflector plate 42.Transparent display panel 30 includes a transparent substrates 32, one first transparent electrode layer 34, a luminescent layer 36 and one second transparent electrode layer 38.Preferably, transparent substrates 32 is a substrate of glass, and first transparent electrode layer 34 is that an ITO layer, luminescent layer 36 are organic electric-excitation luminescent films, and second transparent electrode layer 38 is ITO layers.In addition, also can between first transparent electrode layer 34 and second transparent electrode layer 38, make an electric hole implanted layer, an electric hole transfer layer, an electron transfer layer and an electron injecting layer, no longer be described in detail in this omission.
It is to be similar to a grating diaphragm (photo slit) that adjustable lay the grain penetrates brightness diaphragm 40, can be via the power of optical inductor 44 detecting external environment condition light, and then may command external environment condition light incides transparent display panel 30 and penetrates the light quantity of grating diaphragm.Preferably, it is an electrochromism (electrochromic) material or a liquid crystal material that adjustable lay the grain penetrates brightness diaphragm 40, and it can control the light amount of penetrating by flowing through the electric weight size.For instance, electrochromic material is a kind of original material transparent, only needs just it to be become opaque or coloured material by weak current.
The invention is characterized in, can both allow the contrast of organic electro-luminescent display, brightness reach optimum in order under different lightness environment, to use, therefore utilize transparent display panel 30 as main display floater, and between transparent display panel 30 and reflector plate 42, adjustable lay the grain is set and penetrates brightness diaphragm 40.
See also Fig. 3, when optical inductor 44 detects external environment condition light when brighter, can control the light amount of penetrating of grating diaphragm 40 by flowing through the electric weight size, then grating diaphragm 40 can absorb extraneous light 46 partly, and reflection part light 48, so can improve the contrast problem.Or even, when external environment condition light is very bright, grating diaphragm 40 can be adjusted into light tight pattern, the extraneous light 46 of then incident can be stopped fully by grating diaphragm 40, be exactly only to absorb light and do not reflect, so can make transparent display panel 30 produce the high-contrast effects.
See also Fig. 4, when optical inductor 44 detects external environment condition light when dark, can adjust to light transmission mode by flowing through the big young pathbreaker's grating diaphragm 40 of electric weight, then grating diaphragm 40 only absorbs the extraneous light 50 of little part, and reflect most light 52, so can improve the contrast problem.Or even, along with ambient light gradually during deepening, grating diaphragm 40 can be adjusted into the full impregnated optical mode gradually, then the spontaneous light 54 of a part of transparent display panel 30 itself also can highlight via the reflection of reflector plate 42.Also therefore, even turn down the supply of current of organic light emitting display, also can make transparent display panel 30 reach identical brightness display effect.
Hence one can see that, the present invention utilizes the internal reflection mode of grating diaphragm 40 control organic light emitting display, can make transparent display panel 30 under different ambient lights, all can keep best contrast effect, and do not need additionally to use Polarizer or make the extinction electrode, so can avoid the doubt of panel luminance deficiency.And, along with the light transmittance increase of grating diaphragm 40, also can reduce the supply of current amount of organic light emitting display, to obtain the advantage of power saving, high brightness.
Though the present invention discloses preferred embodiment as above; yet it is not in order to limit the present invention; those skilled in the art can do some and change and retouching, so protection scope of the present invention should be as the criterion with the scope that claims were defined without departing from the spirit and scope of the present invention.
Claims (8)
1. organic electro-luminescent display comprises:
One transparent display panel;
One reflector plate; And
One adjustable lay the grain penetrates the brightness diaphragm, is arranged between this transparent display panel and this reflector plate.
2. organic electro-luminescent display as claimed in claim 1, wherein this transparent display panel comprises:
One transparent substrates;
One first transparent electrode layer is formed on this transparent substrates;
One luminescent layer is formed on this first transparent electrode layer; And
One second transparent electrode layer is formed on this luminescent layer.
3. organic electro-luminescent display as claimed in claim 2, wherein this luminescent layer is an organic electric-excitation luminescent film.
4. organic electro-luminescent display as claimed in claim 1, wherein to penetrate the brightness diaphragm be a grating diaphragm to this adjustable lay the grain, the light amount of penetrating of may command external environment condition light.
5. organic electro-luminescent display as claimed in claim 4, wherein to penetrate the brightness diaphragm be an electrochromic material or a liquid crystal material to this adjustable lay the grain, it can control the light amount of penetrating by flowing through the electric weight size.
6. organic electro-luminescent display as claimed in claim 1, other includes an optical inductor, is the power that is used for detecting external environment condition light.
7. organic electro-luminescent display as claimed in claim 6, wherein this adjustable lay the grain penetrates the power that the brightness diaphragm is the external environment condition light that detects according to this optical inductor, is used for adjusting the light amount of penetrating of external environment condition light.
8. as claim 6 a described organic electro-luminescent display, wherein the power of the external environment condition light of detecting according to this optical inductor can be adjusted the light transmission mode that this adjustable lay the grain penetrates the brightness diaphragm by control electric weight size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101243394A CN100395893C (en) | 2003-12-30 | 2003-12-30 | Organic electric excitation lighting display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101243394A CN100395893C (en) | 2003-12-30 | 2003-12-30 | Organic electric excitation lighting display device |
Publications (2)
| Publication Number | Publication Date |
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| CN1556664A true CN1556664A (en) | 2004-12-22 |
| CN100395893C CN100395893C (en) | 2008-06-18 |
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| CNB2003101243394A Expired - Lifetime CN100395893C (en) | 2003-12-30 | 2003-12-30 | Organic electric excitation lighting display device |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100463246C (en) * | 2004-03-17 | 2009-02-18 | 铼宝科技股份有限公司 | Organic electroluminescent display element |
| CN102508373A (en) * | 2011-08-19 | 2012-06-20 | 友达光电股份有限公司 | Display device |
| CN102737576A (en) * | 2011-04-12 | 2012-10-17 | 神基科技股份有限公司 | Transparent display device and operating method thereof |
| CN103198786A (en) * | 2012-01-09 | 2013-07-10 | 联想(北京)有限公司 | Display and displaying method |
| CN103282951A (en) * | 2010-10-28 | 2013-09-04 | 三星电子株式会社 | Display module and display system |
| CN103854574A (en) * | 2012-12-04 | 2014-06-11 | 苹果公司 | Display with adjustable circular polarizers |
| CN103985729A (en) * | 2013-02-12 | 2014-08-13 | 三星显示有限公司 | Organic light emitting display device |
| CN105206644A (en) * | 2015-08-28 | 2015-12-30 | 京东方科技集团股份有限公司 | Transparent display assembly and display device |
| CN105226077A (en) * | 2015-09-28 | 2016-01-06 | 陕西科技大学 | A kind of intelligent transparent OLED luminescent panel |
| US9867602B2 (en) | 2015-02-05 | 2018-01-16 | Obp Medical Corporation | Illuminated surgical retractor |
| WO2018176517A1 (en) * | 2017-03-29 | 2018-10-04 | 武汉华星光电技术有限公司 | Oled display panel and oled display apparatus |
| WO2018205477A1 (en) * | 2017-05-12 | 2018-11-15 | Boe Technology Group Co., Ltd. | Organic light emitting device, display apparatus, method of controlling color temperature of light emitted from organic light emitting device, and method of fabricating organic light emitting device |
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| CN110224073A (en) * | 2018-03-01 | 2019-09-10 | 机光科技股份有限公司 | Electromechanical excitation device and its organic electroluminescent element |
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| CN101852927A (en) * | 2010-04-27 | 2010-10-06 | 深圳桑菲消费通信有限公司 | Transparent display device applied to mobile terminal and using method thereof |
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| US6211613B1 (en) * | 1996-04-10 | 2001-04-03 | Cambridge Display Technology Limited | High contrast electroluminescent displays |
| US6476783B2 (en) * | 1998-02-17 | 2002-11-05 | Sarnoff Corporation | Contrast enhancement for an electronic display device by using a black matrix and lens array on outer surface of display |
| US6429451B1 (en) * | 2000-05-24 | 2002-08-06 | Eastman Kodak Company | Reduction of ambient-light-reflection in organic light-emitting devices |
| TW564657B (en) * | 2002-06-12 | 2003-12-01 | Ritdisplay Corp | Organic light-emitting diode display device |
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2003
- 2003-12-30 CN CNB2003101243394A patent/CN100395893C/en not_active Expired - Lifetime
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| CN100463246C (en) * | 2004-03-17 | 2009-02-18 | 铼宝科技股份有限公司 | Organic electroluminescent display element |
| US10368733B2 (en) | 2010-09-28 | 2019-08-06 | Obp Medical Corporation | Speculum |
| US10534458B2 (en) | 2010-10-28 | 2020-01-14 | Samsung Electronics Co., Ltd. | Reversible display module including transparent display panel and display system including the display module |
| US11494012B2 (en) | 2010-10-28 | 2022-11-08 | Samsung Electronics Co., Ltd. | Display module and display system |
| CN103282951A (en) * | 2010-10-28 | 2013-09-04 | 三星电子株式会社 | Display module and display system |
| US10126849B2 (en) | 2010-10-28 | 2018-11-13 | Samsung Electronics Co., Ltd. | Display module for food storage including transparent display panel and display system including the display module |
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| CN103282951B (en) * | 2010-10-28 | 2016-10-19 | 三星电子株式会社 | Display module and display system |
| CN102737576B (en) * | 2011-04-12 | 2014-12-10 | 神基科技股份有限公司 | Transparent display device and operating method thereof |
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| CN103198786A (en) * | 2012-01-09 | 2013-07-10 | 联想(北京)有限公司 | Display and displaying method |
| US10249262B2 (en) | 2012-12-04 | 2019-04-02 | Apple Inc. | Displays with adjustable circular polarizers |
| CN103854574A (en) * | 2012-12-04 | 2014-06-11 | 苹果公司 | Display with adjustable circular polarizers |
| CN103985729A (en) * | 2013-02-12 | 2014-08-13 | 三星显示有限公司 | Organic light emitting display device |
| US9867602B2 (en) | 2015-02-05 | 2018-01-16 | Obp Medical Corporation | Illuminated surgical retractor |
| US10420538B2 (en) | 2015-02-05 | 2019-09-24 | Obp Medical Corporation | Illuminated surgical retractor |
| US10952712B2 (en) | 2015-06-03 | 2021-03-23 | Obp Medical Corporation | Retractor |
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| CN110224073A (en) * | 2018-03-01 | 2019-09-10 | 机光科技股份有限公司 | Electromechanical excitation device and its organic electroluminescent element |
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| CN100395893C (en) | 2008-06-18 |
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