CN103972269B - OLED lighting panel changeable in light color - Google Patents
OLED lighting panel changeable in light color Download PDFInfo
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- CN103972269B CN103972269B CN201410177241.3A CN201410177241A CN103972269B CN 103972269 B CN103972269 B CN 103972269B CN 201410177241 A CN201410177241 A CN 201410177241A CN 103972269 B CN103972269 B CN 103972269B
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Abstract
The invention discloses an OLED lighting panel changeable in light color. The OLED lighting panel comprises a first light-emitting region and a second light-emitting region. The first light-emitting region comprises multiple strip-shaped light-emitting regions arranged in parallel, and the second light-emitting region is the same as the first light-emitting region in structure. The second light-emitting region is arranged among the strip-shaped light-emitting regions of the first light-emitting region in an alternate mode. The first light-emitting region and the second light-emitting region are different in emitted light color and share a cathode, and anodes are isolated through isolation pillars to be mutually independent. The OLED lighting panel has the advantages that an OLED lighting component is formed by the utilization of two kinds of mixed light colors, according to different lighting requirements, the finally output lighting light color can be adjusted through adjusting formation of the two kinds of mixed light colors, and then the OLED lighting panel can serve as an ideal indoor lighting product. A light color combination of blue light and orange, or dark blue and yellow, or sky blue and dark red, or white and red, or white and orange is easier to accept by most people, and the OLED lighting panel is suitable for products in volume production.
Description
Technical field
The invention belongs to Organic Light Emitting Diode (OLED) illumination/solid state illumination technology field, relate to the luminescence unit structure design of OLED illumination panel, be specifically related to the OLED illumination panel of a kind of light color variable.
Background technology
OLED illumination belongs to solid-state illumination, have that caloric value is low, power consumption is little, response speed is fast, the characteristics such as flexible, impact resistance, have simultaneously frivolous, face is luminous, the feature of good ductility, can constitute, by different photochromic combinations, the various modules that we want, new design concept can be brought to lighting field, along with improving constantly of OLED material efficiency, high efficiency OLED illumination module has produced, the most maximum up to 102lm/W.The prospect that OLED is applied to lighting field is huge, it is expected to become the main flow of following illumination.
Effect in view of illumination; particularly important to the visual performance of people; when Modern Indoor Lighting Design; first people require that room lighting will the needs of people's various activities to be met; as when carrying out books reading activities, for the protection to eyes, need access to the illuminating effect of nature light; and at environment such as bedrooms, it is generally required to warm tones, the darkest illuminating effect.And existing modularity OLED lighting engineering can not meet the demand well.
Summary of the invention
The invention aims to solve existing OLED lighting engineering and can not meet people well under varying environment, different operating state to light color and the demand of brightness, it is proposed that a kind of light color variable OLED illumination panel.
The technical scheme is that light color variable OLED illumination panel, it is characterised in that panel includes the first light-emitting zone and the second light-emitting zone；First light-emitting zone includes the light-emitting zone organizing strip parallel arrangement more, and second light-emitting zone domain the first light-emitting zone is identical, and plug hole is arranged between the string light region of the first light-emitting zone；First light-emitting zone and the second light-emitting zone glow color are different.
Further, the first light-emitting zone and the second light-emitting zone common cathode electrode, anode electrode isolated by insulated column and independent of one another, and the first light-emitting zone anode is connected by same terminal, and the anode of the second light-emitting zone is connected by same terminal.
Further, described first light-emitting zone and the second light-emitting zone glow color are respectively blue and crocus.
Further, described first light-emitting zone and the second light-emitting zone glow color are respectively navy blue and yellow.
Further, described first light-emitting zone and the second light-emitting zone glow color are respectively sky blue and peony.
Further, described first light-emitting zone and the second light-emitting zone glow color are respectively white with red.
Further, described first light-emitting zone and the second light-emitting zone glow color are respectively white and crocus.
Beneficial effects of the present invention: the light color variable OLED illumination panel of the present invention utilizes two kinds of mixed light colour cells to become OLED illuminating device, can be according to different lighting demands, the illuminant color of final output is regulated by the composition that the different mixing of regulation two kinds is photochromic, can be as preferable room lighting product.In a preferred approach for form the mix and match of OLED illuminating device photochromic have chosen blue light and orange yellow, dark blue photochromic with gold-tinted, sky blue photochromic with peony, white light is photochromic with HONGGUANG, white light is photochromic with orange, the most photochromic being easier to is accepted by most people, it is adaptable to mass production product.
Accompanying drawing explanation
Fig. 1 is the light color variable OLED illumination panel structural representation of the present invention.
Detailed description of the invention
Following example of the present invention are based on the principle of the present invention and design, and the invention will be further elaborated with specific embodiment below in conjunction with the accompanying drawings.
As it is shown in figure 1, the light color variable OLED illumination panel of the present embodiment, it is characterised in that panel includes the first light-emitting zone 1 and the second light-emitting zone 2；First light-emitting zone includes the light-emitting zone organizing strip parallel arrangement more, and second light-emitting zone domain the first light-emitting zone is identical, and plug hole is arranged between the string light region of the first light-emitting zone；First light-emitting zone and the second light-emitting zone glow color are different.First light-emitting zone and the second light-emitting zone common cathode electrode 4, anode electrode 3 is isolated by insulated column and independent of one another, first light-emitting zone anode is by being connected by same pad (terminal) respectively, and the anode of the second light-emitting zone is connected by same Pad (terminal).Preferably, first light-emitting zone of the present embodiment and the second light-emitting zone glow color select following upper combination: blue and crocus combines, navy blue and yellow combination, sky blue and peony combination, white combines with red combination, white and crocus.Certainly, the present invention can the most arbitrarily select colour match, above concrete colour match to be only used as the preferred embodiments of the present invention, should not be construed as limiting the scope of the present invention.
In order to further illustrate the principle of the present invention, provide concrete processing technology embodiment further below:
Embodiment 1:
1, surface is being coated with on the glass substrate of ITO cleaning, afterwards by modes such as spin coating, wire coatings, is being coated with a layer photoetching glue；
2, the glass substrate in above-mentioned 1 is exposed by exposure machine, and by development, matting, forms pattern；(auxiliary electrode)；
3, by etching work procedure, etch away and above-mentioned steps 2 is exposed to outer ITO layer；
4, by stripping process, the photoresist in above-mentioned steps 3 is peeled off；
5, by modes such as spin coating, wire coatings, the glass substrate completing above-mentioned steps 4 is coated with a layer photoetching glue；
6, the glass substrate in above-mentioned 6 is exposed by exposure machine, and by development, matting, forms illumination pattern of pixels (as shown in drawings)；
7, the glass substrate completing step 6 is dried；
8, by evaporation operation, evaporation OLED illuminating device structure is as follows:
9,1) device architecture of pixel 1 (that is: the first light-emitting zone) is: ITO (120nm)/m-MTDATA (40nm)/NPB (20nm)/DPAVBi (30nm)/Alq3 (30nm)/LiF (1nm)/Al (100nm)；
Wherein m-MTDATA full name is 4,4', 4 "-Tris (N-3-methylphenyl-N-phenyl-amino) triphenylamine；NPB full name is N, N'-Bis (naphthalen-1-yl)-N, N'-bis (phenyl) benzidine；DPAVBI full name is 4,4'-Bis [4-(di-p-tolylamino) styryl] biphenyl；Alq3 full name is trihydroxy quinoline aluminum, and LiF represents lithium fluoride, and Al represents aluminum.
2) device architecture of pixel 2 (that is: the second light-emitting zone) is: ITO (120nm)/m-MTDATA (40nm)/NPB (20nm)/Alq3:2%DCJTB (30nm)/Alq3 (30nm)/LiF (1nm) Al (100nm).Wherein DCJTB represents 4-(Dicyanomethylene)-2-tert-butyl-6-(1,1,7,7-tetramethyljulolidin-4-yl-vinyl)-4H-pyran.
Wherein use pixel 1 and 2 respectively blue light-emitting and the HONGGUANG of above-mentioned device architecture, and the luminescence of sending out pixel 1 and pixel 2 is photochromic can change or exchange.Above-mentioned device architecture can use organic phosphorescent material, and the OLED structure of light emitting pixel is a lot, more than simply uses fluorescence as example.
10, the oled panel completing above-mentioned steps 8 is packaged；
11, the oled panel after completing encapsulation is carried out module binding.
Embodiment 2:
12, surface is being coated with on the glass substrate of ITO cleaning, afterwards by modes such as spin coating, wire coatings, is being coated with a layer photoetching glue；
13, the glass substrate in above-mentioned 1 is exposed by exposure machine, and by development, matting, forms pattern；
14, by etching work procedure, etch away and above-mentioned steps 2 is exposed to outer ITO layer；
15, by stripping process, the photoresist in above-mentioned steps 3 is peeled off；
16, by modes such as spin coating, wire coatings, the glass substrate completing above-mentioned steps 4 is coated with a layer photoetching glue；
17, the glass substrate in above-mentioned 6 is exposed by exposure machine, and by development, matting, forms illumination pattern of pixels (as shown in drawings)；
18, the glass substrate completing step 6 is dried；
19, by evaporation operation, evaporation OLED illuminating device structure is as follows:
1), the device architecture of pixel 1 is: ITO (120nm)/m-MTDATA (40nm)/NPB (20nm)/DPAVBi (10nm)/Alq3:2%DCJTB (30nm)/Alq3 (30nm)/LiF (1nm)/Al (100nm).
2), the device architecture of pixel 2 is: (120nm)/m-MTDATA (40nm)/NPB (20nm)/CBP:3% (bt) 2Ir (acac) (30nm)/Alq3 (30nm)/LiF (1nm) Al (100nm).
Wherein CBP represents 4,4'-bis (carbazoyl-9-yl) biphenyl；(bt) 2Ir (acac) represents bis-2-(2 '-benzo [4,5-a] thienyl) pyridinato-N, C3 ') iridium (acetylacetonate).
The pixel 1 and 2 wherein using above-mentioned device architecture emits white light and gold-tinted respectively, and the luminescence of pixel 1 and pixel 2 is photochromic can change or exchange.The OLED structure of light emitting pixel is a lot, is more than intended only as example.
19, the oled panel completing above-mentioned steps 8 is packaged；
20, the oled panel after completing encapsulation is carried out module binding.
Those of ordinary skill in the art is it will be appreciated that embodiment described here is to aid in the principle of the reader understanding present invention, it should be understood that protection scope of the present invention is not limited to such special statement and embodiment.Those of ordinary skill in the art can make various other various concrete deformation and combination without departing from essence of the present invention according to these technology disclosed by the invention enlightenment, and these deformation and combination are the most within the scope of the present invention.
Claims (3)
1. light color variable OLED illumination panel, it is characterised in that panel includes the first light-emitting zone and the second light-emitting zone；
First light-emitting zone includes the light-emitting zone organizing strip parallel arrangement more, and second light-emitting zone domain the first light-emitting zone is identical,
And plug hole is arranged between the string light region of the first light-emitting zone；First light-emitting zone and the second light-emitting zone glow color
Different；
The device architecture of described first light-emitting zone is: the NPB/30nm of the m-MTDATA/20nm of the ITO/40nm of 120nm
The Al of LiF/100nm of Alq3/1nm of DPAVBi/30nm；
Described Alq3 full name is trihydroxy quinoline aluminum, and LiF represents lithium fluoride, and Al represents aluminum；
The device architecture of described second light-emitting zone is: the NPB/30nm of the m-MTDATA/20nm of the ITO/40nm of 120nm
The Al of LiF/100nm of Alq3/1nm of Alq3:2%DCJTB/30nm.
Light color variable OLED illumination panel the most according to claim 1, it is characterised in that the first light-emitting zone and
Two light-emitting zone common cathode electrodes, anode electrode isolated by insulated column and independent of one another, and the first light-emitting zone anode passes through
Same terminal is connected, and the anode of the second light-emitting zone is connected by same terminal.
Light color variable OLED illumination panel the most according to claim 1 and 2, it is characterised in that described first is luminous
Region and the second light-emitting zone glow color are respectively blue and red.
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| CN108183124A (en) * | 2017-12-26 | 2018-06-19 | 深圳市华星光电技术有限公司 | OLED white light parts and preparation method thereof |
| CN111081889B (en) * | 2019-11-21 | 2022-05-31 | 武汉华星光电半导体显示技术有限公司 | Lighting device |
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Patent Citations (9)
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| CN1529536A (en) * | 2003-10-16 | 2004-09-15 | 彭冠璋 | Drganic electroluminescent device |
| CN101601079A (en) * | 2006-12-06 | 2009-12-09 | 通用电气公司 | The method of color tunable OLED lighting display device and controlled display lighting |
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