CN203644785U - OLED (Organic Light Emitting Diode) display device - Google Patents
OLED (Organic Light Emitting Diode) display device Download PDFInfo
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- CN203644785U CN203644785U CN201320856368.9U CN201320856368U CN203644785U CN 203644785 U CN203644785 U CN 203644785U CN 201320856368 U CN201320856368 U CN 201320856368U CN 203644785 U CN203644785 U CN 203644785U
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Abstract
The utility model provides an OLED (Organic Light Emitting Diode) display device. The OLED display device comprises a first substrate which includes a pixel area having an organic light emitting unit and a non-pixel area formed outside the pixel area; a second substrate arranged opposite to the first substrate; and a light blocking layer formed on the second substrate in a position corresponding to the non-pixel area of the first substrate. Through the arrangement of the light blocking layer, rays of light from external environment is absorbed or scattered, and reflection of a metal circuit on the first substrate to the rays of light is reduced, thereby improving the contrast ratio of the display device.
Description
Technical field
The utility model relates to demonstration field, particularly a kind of OLED display unit.
Background technology
In recent years, center, monitor market is occupied by flat-panel monitor (Flat Panel Display, FPD) gradually, utilizes FPD can manufacture large scale and gossamery display device.This class FPD comprises liquid crystal display (Liquid Crystal Display, LCD), plasma display (Plasma Display Panel, PDP), Organic Light Emitting Diode (Organic Light-Emitting Diode, OLED) display etc.
OLED, organic light emitting diode display, be called again display of organic electroluminescence (Organic Electro luminesence Display), refer to that organic semiconducting materials and luminescent material are under electric field driven, by the phenomenon of carrier injection and composite guide photoluminescence.OLED principle of luminosity is respectively as anode and the negative electrode of device with ITO pixel electrode and metal electrode, under certain voltage drives, electronics and hole are injected into electron transfer layer and hole transmission layer from negative electrode and anode respectively, electronics and hole move to luminescent layer through electron transfer layer and hole transmission layer respectively, and meet in luminescent layer, form exciton and light emitting molecule is excited, the latter sends visible ray through radiative relaxation.The panel that uses OLED is no matter on image quality, usefulness and cost, and performance is all outstanding a lot of compared with Thin Film Transistor-LCD (TFT-LCD).
Existing OLED display generally comprises: infrabasal plate, the upper substrate being oppositely arranged with infrabasal plate, between infrabasal plate and upper substrate, form hermetically-sealed construction by frit, in hermetically-sealed construction, on described infrabasal plate, be formed with back plane circuitry, anode metal, organic luminous layer and cathodic metal etc.The back plane circuitry of OLED product is very complicated, is large-area metallic circuit and reflecting electrode, therefore causes product environment or compared with under bright ring border out of doors, because strong reflection of light causes contrast degradation.
Summary of the invention
A kind of OLED display unit that the utility model provides, reduces metallic circuit to backlight produced reflection, improves the contrast of display unit.
The OLED display unit that the utility model provides, comprising:
First substrate, comprises on described first substrate and has the pixel region of organic light-emitting units and be formed at the non-pixel region outside described pixel region;
Second substrate, is oppositely arranged with described first substrate;
On the position of the non-pixel region of the corresponding described first substrate of described second substrate, be formed with light blocking layer.
Further, described first substrate is a tft array substrate, and described second substrate is a cover plate.
Further, described light blocking layer is frosted glass.
Further, described light blocking layer is black light-absorbing material.
Further, described light blocking layer is the black material that is in the light.
Further, the described black material that is in the light comprises black matrix".
Further, described light blocking layer is the particulate material with scattering process.
Further, described particulate material comprises glass dust.
Further, on the non-pixel region of described first substrate, be formed with insulating barrier.
Further, also comprise the first electrode being positioned on described first substrate, and be formed on described organic light-emitting units with insulating barrier on the second electrode.
Compared with prior art, the OLED display unit that the utility model provides, on position by the non-pixel region at the corresponding first substrate of second substrate, form light blocking layer, for absorbing or outside light is fallen in scattering, the reflection of metallic circuit on minimizing first substrate to light, the contrast of raising display unit.
Brief description of the drawings
Fig. 1 is the structural representation of OLED display unit in the utility model embodiment mono-.
Fig. 2 is the structural representation of OLED display unit in the utility model embodiment bis-.
Fig. 3 is the structural representation of OLED display unit in the utility model embodiment tri-.
Embodiment
Below in conjunction with the drawings and specific embodiments, the OLED display unit the utility model proposes is described in further detail.According to the following describes and claims, advantage of the present utility model and feature will be clearer.It should be noted that, accompanying drawing all adopts very the form of simplifying and all uses non-ratio accurately, only in order to convenient, the object of aid illustration the utility model embodiment lucidly.
Core concept of the present utility model is, on position by the non-pixel region at the corresponding first substrate of second substrate, form light blocking layer, for absorbing or outside light is fallen in scattering, reduce the reflection of the metallic circuit on first substrate, improve the contrast of display unit.
[embodiment mono-]
Fig. 1 is the structural representation of OLED display unit in the utility model embodiment mono-, and as shown in Figure 1, the utility model provides a kind of OLED display unit, comprising:
First substrate 10, comprises on described first substrate 10 and has the pixel region of organic light-emitting units 13 and be formed at the non-pixel region outside described pixel region; Second substrate 20, is oppositely arranged with described first substrate 10; On the position of the non-pixel region of the corresponding described first substrate 10 of described second substrate 20, be formed with light blocking layer 21.Described first substrate 10 is a tft array substrate, described second substrate 20 is a cover plate, be generally glass material, and described first substrate 10 forms hermetically-sealed construction with second substrate 20 by encapsulating material (not shown), for preventing that the compositions such as airborne water, oxygen from penetrating into.
On described first substrate 10, be also formed with back plane circuitry 11, the first electrode 12, be formed on the insulating barrier 14 on non-pixel region and be formed on described organic light-emitting units 13 with described insulating barrier 14 on the second electrode 15.Described the first electrode 12 can be used as anode metal or cathodic metal, same, and described the second electrode 15 also can be used as cathodic metal or anode metal.
In the present embodiment, described light blocking layer 21 is frosted glass, can utilize and sandblast or the technique such as etching, by described second substrate 20 hackings corresponding with the non-pixel region of described first substrate 10 (because second substrate 20 is glass material), form light blocking layer, fall from outside surround lighting for scattering, avoid on the tft array of the direct directive first substrate 10 of surround lighting, reduce the reverberation of metallic circuit, improve thus the contrast of display unit.
Between first substrate 10 and second substrate 20, be also formed with OC layer 22(Over Coating, organic insulator), cover on the second electrode 15, the second electrode 15 on described first substrate 10 and organic light-emitting units 13 are played to the effect of insulation and planarization, prevent the device on first substrate 10 to impact.
[embodiment bis-]
On the basis of embodiment mono-, described light blocking layer is black light-absorbing material or the black material that is in the light.Fig. 2 is the structural representation of OLED display unit in the utility model embodiment bis-, and as shown in Figure 2, the utility model provides a kind of OLED display unit, comprising:
On described first substrate 30, be also formed with back plane circuitry 31, the first electrode 32, be formed on the insulating barrier 34 on non-pixel region and be formed on described organic light-emitting units 32 with described insulating barrier 34 on the second electrode 35.Described the first electrode 32 can be used as anode metal or cathodic metal, same, and described the second electrode 35 also can be used as cathodic metal or anode metal.
Described light blocking layer 41 is black light-absorbing material or the black materials that are in the light, deposition or apply black light-absorbing material or the black material that is in the light on the position of the described second substrate 30 corresponding with the non-pixel region of described first substrate 30, for sponging from outside surround lighting, stop on the tft array of the direct directive first substrate 30 of light, reduce the reverberation phenomenon of metallic circuit, improve thus the contrast of display unit.In the present embodiment, the described black material that is in the light can be black matrix.Different from embodiment mono-, because black light-absorbing material or the black material that is in the light is formed on described second substrate 40, the light blocking layer 41 in Fig. 2 should be positioned on described second substrate 40.
Between first substrate 30 and described second substrate 40, be also formed with OC layer 42, cover on the second electrode 35, can play insulation and the smooth use that turns into the second electrode 35 on described first substrate 30 and organic light-emitting units 33, prevent the device on described first substrate 30 to impact.
[embodiment tri-]
On the basis of embodiment mono-, described light blocking layer is the particulate material with scattering process.Fig. 3 is the structural representation of OLED display unit in the utility model embodiment tri-, and as shown in Figure 3, the utility model provides a kind of OLED display unit, comprising:
On described first substrate 50, be also formed with back plane circuitry 51, the first electrode 52, be formed on the insulating barrier 54 on non-pixel region and be formed on described organic light-emitting units 52 with described insulating barrier 54 on the second electrode 55.Described the first electrode 52 can be used as anode metal or cathodic metal, same, and described the second electrode 55 also can be used as cathodic metal or anode metal.
Described light blocking layer 61 is the particulate materials with scattering process, utilize the techniques such as silk-screen, on the position of the described second substrate 60 corresponding with the non-pixel region of described first substrate 50, print one deck particulate material, the mixture of for example glass dust or glass dust, fall from outside surround lighting for scattering, avoid on the tft array of the direct directive first substrate 50 of surround lighting, reduce the reverberation of metallic circuit, improve thus the contrast of display unit.Identical with above-mentioned said black light-absorbing material or the black material that is in the light, described light blocking layer 61 is positioned on described second substrate 60.
Between first substrate 50 and described second substrate 60, be also formed with OC layer 62, cover on the second electrode 55, can play insulation and the smooth use that turns into the second electrode 55 on described first substrate 50 and organic light-emitting units 53, prevent that the device on first substrate 50 from impacting.
In sum, the OLED display unit that the utility model provides, on position by the non-pixel region at the corresponding first substrate of second substrate, form light blocking layer, for absorbing or outside light is fallen in scattering, the reflection of metallic circuit on minimizing first substrate to light, the contrast of raising display unit.
Foregoing description is only the description to the utility model preferred embodiment, the not any restriction to the utility model scope, and any change, modification that the those of ordinary skill in field of the present invention does according to above-mentioned disclosure, all belong to the protection range of claims.
Claims (10)
1. an OLED display unit, comprising:
First substrate, comprises on described first substrate and has the pixel region of organic light-emitting units and be formed at the non-pixel region outside described pixel region;
Second substrate, is oppositely arranged with described first substrate;
It is characterized in that, on the position of the non-pixel region of the corresponding described first substrate of described second substrate, be formed with light blocking layer.
2. OLED display unit as claimed in claim 1, is characterized in that, described first substrate is a tft array substrate, and described second substrate is a cover plate.
3. OLED display unit as claimed in claim 1, is characterized in that, described light blocking layer is frosted glass.
4. OLED display unit as claimed in claim 1, is characterized in that, described light blocking layer is black light-absorbing material.
5. OLED display unit as claimed in claim 1, is characterized in that, described light blocking layer is the black material that is in the light.
6. OLED display unit as claimed in claim 5, is characterized in that, the described black material that is in the light comprises black matrix".
7. OLED display unit as claimed in claim 1, is characterized in that, described light blocking layer is the particulate material with scattering process.
8. OLED display unit as claimed in claim 7, is characterized in that, described particulate material comprises glass dust.
9. OLED display unit as claimed in claim 1, is characterized in that, on the non-pixel region of described first substrate, is formed with insulating barrier.
10. OLED display unit as claimed in claim 9, is characterized in that, also comprises the first electrode being positioned on described first substrate, and be formed on described organic light-emitting units with insulating barrier on the second electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320856368.9U CN203644785U (en) | 2013-12-23 | 2013-12-23 | OLED (Organic Light Emitting Diode) display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320856368.9U CN203644785U (en) | 2013-12-23 | 2013-12-23 | OLED (Organic Light Emitting Diode) display device |
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| Publication Number | Publication Date |
|---|---|
| CN203644785U true CN203644785U (en) | 2014-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320856368.9U Expired - Lifetime CN203644785U (en) | 2013-12-23 | 2013-12-23 | OLED (Organic Light Emitting Diode) display device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104157646A (en) * | 2014-07-21 | 2014-11-19 | 友达光电股份有限公司 | Display panel pixel unit and display panel comprising same |
| CN106292102A (en) * | 2016-08-12 | 2017-01-04 | 京东方科技集团股份有限公司 | A kind of display floater and display |
| CN109192763A (en) * | 2018-09-11 | 2019-01-11 | 武汉华星光电半导体显示技术有限公司 | OLED display |
| WO2019159554A1 (en) * | 2018-02-13 | 2019-08-22 | 住友電気工業株式会社 | Concentrator photovoltaic module and concentrator photovoltaic device |
| US10916731B2 (en) | 2018-09-11 | 2021-02-09 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Organic light emitting diode display device |
| CN113644096A (en) * | 2021-07-22 | 2021-11-12 | 武汉天马微电子有限公司 | Display panel and display device |
-
2013
- 2013-12-23 CN CN201320856368.9U patent/CN203644785U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104157646A (en) * | 2014-07-21 | 2014-11-19 | 友达光电股份有限公司 | Display panel pixel unit and display panel comprising same |
| CN104157646B (en) * | 2014-07-21 | 2017-03-22 | 友达光电股份有限公司 | Display panel pixel unit and display panel comprising same |
| CN106292102A (en) * | 2016-08-12 | 2017-01-04 | 京东方科技集团股份有限公司 | A kind of display floater and display |
| WO2019159554A1 (en) * | 2018-02-13 | 2019-08-22 | 住友電気工業株式会社 | Concentrator photovoltaic module and concentrator photovoltaic device |
| CN109192763A (en) * | 2018-09-11 | 2019-01-11 | 武汉华星光电半导体显示技术有限公司 | OLED display |
| US10916731B2 (en) | 2018-09-11 | 2021-02-09 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Organic light emitting diode display device |
| CN113644096A (en) * | 2021-07-22 | 2021-11-12 | 武汉天马微电子有限公司 | Display panel and display device |
| CN113644096B (en) * | 2021-07-22 | 2023-12-19 | 武汉天马微电子有限公司 | Display panel and display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220107 Address after: No.8, liufangyuanheng Road, Donghu New Technology Development Zone, Wuhan City, Hubei Province, 430074 Patentee after: WUHAN TIANMA MICROELECTRONICS Co.,Ltd. Patentee after: Wuhan Tianma Microelectronics Co.,Ltd. Shanghai Branch Patentee after: Tianma Micro-Electronics Co.,Ltd. Address before: Room 509, building 1, No. 6111, Longdong Avenue, Pudong New Area, Shanghai, 201201 Patentee before: SHANGHAI TIANMA AM-OLED Co.,Ltd. Patentee before: Tianma Micro-Electronics Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140611 |