CN109728178A - Organic electroluminescent device, array substrate and preparation method thereof and display panel - Google Patents
Organic electroluminescent device, array substrate and preparation method thereof and display panel Download PDFInfo
- Publication number
- CN109728178A CN109728178A CN201910002418.9A CN201910002418A CN109728178A CN 109728178 A CN109728178 A CN 109728178A CN 201910002418 A CN201910002418 A CN 201910002418A CN 109728178 A CN109728178 A CN 109728178A
- Authority
- CN
- China
- Prior art keywords
- organic electroluminescent
- electroluminescent device
- electrode
- light emitting
- functional layer
- 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.)
- Granted
Links
Landscapes
- Electroluminescent Light Sources (AREA)
Abstract
The present invention provides a kind of organic electroluminescent device, array substrate and preparation method thereof and display panel.The organic electroluminescent device includes first electrode, light emitting functional layer and second electrode, and light emitting functional layer is located between first electrode and second electrode, and light emitting functional layer is Curved plate structure.The organic electroluminescent device of the organic electroluminescent device relative to the planar panel structure light emitting functional layer with same big lighting area, the light-emitting area of organic electroluminescent device can be expanded, so that it is guaranteed that in the case where organic electroluminescent device light emission luminance is constant, the voltage of organic electroluminescent device load with Curved plate structure light emitting functional layer is significantly lower than the voltage that the organic electroluminescent device with planar panel structure light emitting functional layer loads, thereby reduce the heat radiation of organic electroluminescent device, improve temperature it is higher caused by exciton Quenching, the rate of ageing of exciton is slowed down, ultimately improve the service life of organic electroluminescent device.
Description
Technical field
The present invention relates to field of display technology, and in particular, to a kind of organic electroluminescent device, array substrate and its system
Preparation Method and display panel.
Background technique
OLED (Organic Light-Emitting Diode, OLED) display panel is because contrast is high, colour gamut is wide, response
The advantages that speed is fast, flexible, is applied to intelligent display terminal more and more, becomes next-generation display technology.
OLED display panel generally includes RGB (red, green, blue) three-colour light-emitting element, in the case where providing equivalent voltage,
The heat radiation of blue light emitting device is higher, and exciton Quenching of the blue light emitting device when lighting is more serious, leads to blue
The service life of light-emitting component is shorter, shorter so as to cause the service life of OLED display panel.
Summary of the invention
The present invention is directed to the above-mentioned technical problems in the prior art, provides a kind of organic electroluminescent device, array
Substrate and preparation method thereof and display panel.The organic electroluminescent device is relative to the surface plate with same big lighting area
The organic electroluminescent device of structure light emitting functional layer, can expand the light-emitting area of organic electroluminescent device, thus really
It protects in the case where organic electroluminescent device light emission luminance is constant, the organic electroluminescence with Curved plate structure light emitting functional layer is sent out
The voltage of optical element load is significantly lower than the electricity that the organic electroluminescent device with planar panel structure light emitting functional layer loads
Pressure, thereby reduce the heat radiation of organic electroluminescent device, improve temperature it is higher caused by exciton Quenching,
The rate of ageing for having slowed down exciton ultimately improves the service life of organic electroluminescent device.
The present invention provides a kind of organic electroluminescent device, including first electrode, light emitting functional layer and second electrode, described
Light emitting functional layer is located between the first electrode and the second electrode, and the light emitting functional layer is Curved plate structure.
Preferably, the light emitting functional layer is cambered plate, and side is recessed where the cambered plate to the first electrode, described
First electrode and the second electrode are the cambered plate to match with the light emitting functional layer.
Preferably, the light emitting functional layer is cambered plate, and side is recessed where the cambered plate to the second electrode, described
First electrode and the second electrode are the cambered plate to match with the light emitting functional layer.
Preferably, the light emitting functional layer is wave-shape board, and the wave crest of the wave-shape board is identical with trough shape size, described
First electrode and the second electrode are the wave-shape board to match with the light emitting functional layer.
The present invention also provides a kind of array substrate, the Organic Electricities of the different colours including substrate and setting on the substrate
Electroluminescent element, the organic electroluminescent device are arranged in array, the organic electroluminescent device of at least the first color
For above-mentioned organic electroluminescent device；
The organic electroluminescent device of first color is the constant condition of emitting brightness on same light-emitting surface
Under, the on-load voltage of the organic electroluminescent device of first color is relatively the same as the planar panel structure light-emitting function of color
The on-load voltage range of decrease of the organic electroluminescent device of layer is greater than the organic electroluminescent device of predetermined value.
Preferably, the organic electroluminescent device of different colours includes organic electroluminescence described in red, green and blue
Light-emitting component；
The organic electroluminescent device of first color is the blue organic electroluminescent device, red and green
The light emitting functional layer of organic electroluminescent device described in color is planar panel structure.
Preferably, resin layer is additionally provided on the substrate, the organic electroluminescent device is arranged in the resin layer
On, the surface of the resin layer being in contact with the organic electroluminescent device and the shape of the organic electroluminescent device
Match.
Preferably, the array substrate is top emission type or bottom emitting type array substrate.
The present invention also provides a kind of display panels, including above-mentioned array substrate.
The present invention also provides a kind of preparation methods of above-mentioned array substrate, form different colours including preparing on substrate
Organic electroluminescent device.
Preferably, the preparation method includes preparing shape on the substrate using nano-imprint method or intermediate tone mask method
At resin layer；
Then it prepares to form the organic electroluminescent device using vapour deposition method or solwution method.
Beneficial effects of the present invention: organic electroluminescent device provided by the present invention, by the way that organic electroluminescent is first
The light emitting functional layer of part is set as Curved plate structure, relative to the planar panel structure light emitting functional layer with same big lighting area
The organic electroluminescent device, the light-emitting area of organic electroluminescent device can be expanded, so that it is guaranteed that organic electroluminescence send out
In the case that optical element light emission luminance is constant, the electricity of the organic electroluminescent device load with Curved plate structure light emitting functional layer
Pressure has been thereby reduced significantly lower than the voltage that the organic electroluminescent device with planar panel structure light emitting functional layer loads
The heat radiation of electro-luminescence element, improve temperature it is higher caused by exciton Quenching, slowed down the old of exciton
Change rate, ultimately improves the service life of organic electroluminescent device.
Array substrate provided by the present invention, by the organic electroluminescent device at least making service life shorter the first color
Using above-mentioned organic electroluminescent device, the on-load voltage of the organic electroluminescent device of the first color can be at least reduced, from
And at least reduce the heat radiation of the organic electroluminescent device of the first color, improve the first color organic electroluminescent device by
In the higher caused exciton Quenching of temperature, slow down the exciton rate of ageing of the organic electroluminescent device of the first color,
And then improve the service life of the organic electroluminescent device of the first color, finally ensuring the constant situation of array substrate light emission luminance
Under, improve the service life of array substrate.
Display panel provided by the present invention can ensure display panel display brightness by using above-mentioned array substrate
In the case where constant, improve the service life of display panel.
Detailed description of the invention
Fig. 1 is the schematic structural cross-sectional view of existing OLED display panel；
Fig. 2 is the schematic structural cross-sectional view of organic electroluminescent device in the embodiment of the present invention 1；
Fig. 3 is that the light-emitting area of the light emitting functional layer of Curved plate structure is greater than shining for the light emitting functional layer of planar panel structure
The schematic cross-sectional view of area；
Fig. 4 is the schematic structural cross-sectional view of organic electroluminescent device in the embodiment of the present invention 2；
Fig. 5 is the schematic structural cross-sectional view of organic electroluminescent device in the embodiment of the present invention 3；
Fig. 6 is the schematic structural cross-sectional view of top emission type array substrate in the embodiment of the present invention 4；
Fig. 7 is the schematic structural cross-sectional view of bottom emitting type array substrate in the embodiment of the present invention 4.
Description of symbols therein:
1. first electrode；2. light emitting functional layer；3. second electrode；4. substrate；5. the organic electroluminescent member of the first color
Part；6. resin layer；7. pixel defining layer；8. anode；9. cathode；10. blue light emitting device；11. organic electroluminescent device
Light-emitting surface；12. pixel circuit layer.
Specific embodiment
To make those skilled in the art more fully understand technical solution of the present invention, with reference to the accompanying drawing and it is embodied
Mode makees into one a kind of organic electroluminescent device provided by the present invention, array substrate and preparation method thereof and display panel
Step detailed description.
In existing OLED display panel, as shown in Figure 1, pixel circuit layer 12 is provided on substrate 4, pixel circuit layer 12
On be provided with pixel defining layer 7, pixel defining layer 7 is intersected in length and breadth defines multiple pixel regions, sets respectively in each pixel region
It is equipped with RGB (red, green, blue) three-colour light-emitting element.Wherein, the anode 8 of RGB three-colour light-emitting element, light emitting functional layer 2 and cathode 9
It is planar panel structure.In the case where providing equivalent voltage to RGB three-colour light-emitting element, the heat radiation of blue light emitting device 10
It is higher, and exciton Quenching of the blue light emitting device 10 when lighting is more serious, cause the service life of blue light emitting device 10 compared with
It is short, it is shorter so as to cause the service life of OLED display panel.
Embodiment 1:
The present embodiment provides a kind of organic electroluminescent devices, as shown in Fig. 2, including first electrode 1, light emitting functional layer 2
With second electrode 3, light emitting functional layer 2 is located between first electrode 1 and second electrode 3, and light emitting functional layer 2 is that curved surface is hardened
Structure.
Wherein, light emitting functional layer 2 includes hole transmission layer, hole injection layer, luminescent layer, electron transfer layer, electron injection
Layer.Each film layer for constituting light emitting functional layer 2 is Curved plate structure, and the Curved plate structure of each film layer matches, to constitute
The light emitting functional layer 2 of Curved plate structure.Alternatively, light emitting functional layer 2 can also only include luminescent layer.First electrode 1 is organic
The anode of electroluminescent cell, second electrode 3 are the cathode of organic electroluminescent device.
In the present embodiment, it is preferred that light emitting functional layer 2 is cambered plate, and cambered plate is recessed to 1 place side of first electrode, the
One electrode 1 and second electrode 3 are the cambered plate to match with light emitting functional layer 2.
It should be noted that first electrode 1 and second electrode 3 can also be the face that is in contact with light emitting functional layer 2 with
The shape of light emitting functional layer 2 matches.
As shown in figure 3, the light-emitting surface 11 for being equipped with electro-luminescence element is a plane, the orthographic projection on light-emitting surface 11
In the case where area equation (i.e. in the case where lighting area is equal), the light-emitting area of the light emitting functional layer 2 of Curved plate structure
It is apparently higher than the light-emitting area of the light emitting functional layer 2 of planar panel structure.
It is same big relative to having by setting Curved plate structure for the light emitting functional layer 2 of organic electroluminescent device
The organic electroluminescent device of the planar panel structure light emitting functional layer of lighting area, can expand organic electroluminescent device
Light-emitting area, so that it is guaranteed that there is the luminous function of Curved plate structure in the case where organic electroluminescent device light emission luminance is constant
The voltage of the organic electroluminescent device load of ergosphere 2 is significantly lower than the organic electroluminescence with planar panel structure light emitting functional layer
The voltage of light-emitting component load, thereby reduces the heat radiation of organic electroluminescent device, improves and led since temperature is higher
The exciton Quenching of cause, has slowed down the rate of ageing of exciton, ultimately improves the service life of organic electroluminescent device.
Embodiment 2:
The present embodiment provides a kind of organic electroluminescent devices, unlike embodiment 1, as shown in figure 4, the function that shines
Ergosphere 2 is cambered plate, and cambered plate is recessed to 3 place side of second electrode, and first electrode 1 and second electrode 3 are and light-emitting function
The cambered plate that layer 2 matches.
The other structures setting of organic electroluminescent device and the principle for improving the service life and phase in embodiment 1 in the present embodiment
Together, details are not described herein again.
Embodiment 3:
The present embodiment provides a kind of organic electroluminescent devices, unlike embodiment 1-2, as shown in figure 5, the function that shines
Ergosphere 2 is wave-shape board, and the wave crest of wave-shape board is identical with trough shape size, and first electrode 1 and second electrode 3 are and luminous function
The wave-shape board that ergosphere 2 matches.
It should be noted that the wave crest of wave-shape board and trough can also with shape is identical and size is not identical.
The other structures setting of organic electroluminescent device and the principle for improving the service life and phase in embodiment 1 in the present embodiment
Together, details are not described herein again.
Embodiment 1-3's the utility model has the advantages that organic electroluminescent device provided by embodiment 1-3, by by organic electroluminescence
The light emitting functional layer of light-emitting component is set as Curved plate structure, and relative to having equally, the planar panel structure of lighting area shines greatly
The organic electroluminescent device of functional layer, can expand the light-emitting area of organic electroluminescent device, so that it is guaranteed that organic
In the case that electroluminescent cell light emission luminance is constant, the organic electroluminescent device with Curved plate structure light emitting functional layer adds
The voltage of load is significantly lower than the voltage that the organic electroluminescent device with planar panel structure light emitting functional layer loads, and then drops
The low heat radiation of organic electroluminescent device, improve temperature it is higher caused by exciton Quenching, slowed down and swashed
The rate of ageing of son, ultimately improves the service life of organic electroluminescent device.
Embodiment 4:
The present embodiment provides a kind of array substrates, as shown in fig. 6, including substrate 4 and the different colours being arranged on substrate 4
Organic electroluminescent device, organic electroluminescent device is arranged in array, the organic electroluminescent device 5 of at least the first color
For embodiment 1-3 it is any in organic electroluminescent device；The organic electroluminescent device 5 of first color is in same light-emitting surface
Under conditions of upper emitting brightness is constant, the on-load voltage of the organic electroluminescent device 5 of the first color is relatively the same as the plane of color
The on-load voltage range of decrease of the organic electroluminescent device of hardened structure light emitting functional layer is greater than the organic electroluminescent device of predetermined value.
In the present embodiment, the organic electroluminescent device 5 of the first color is the organic electroluminescent device in embodiment 1.
Wherein, criss-cross pixel defining layer 7 is provided on substrate 4, pixel defining layer 7 defines multiple pixel regions
Domain is respectively arranged with the organic electroluminescent device of different colours in each pixel region.On-load voltage is organic electroluminescent member
On-load voltage when part shines.Predetermined range are as follows: 2.5V~10V.The predetermined range indicates the organic electroluminescence of the first color
Light-emitting component 5 is the organic electroluminescence hair for being easy to cause certain color compared with high-heating radiation in array substrate under same on-load voltage
Optical element, i.e., the service life shortest organic electroluminescent device under same on-load voltage.
By at least make the organic electroluminescent device 5 of service life shorter the first color using embodiment 1-3 it is any in
Organic electroluminescent device can at least reduce the on-load voltage of the organic electroluminescent device 5 of the first color, at least drop
The heat radiation of the organic electroluminescent device 5 of low first color improves the organic electroluminescent device 5 of the first color due to temperature
Exciton Quenching caused by higher, slows down the exciton rate of ageing of the organic electroluminescent device 5 of the first color, Jin Ergai
The service life of the organic electroluminescent device 5 of shorter the first color of kind service life, the final service life for improving array substrate.
In the present embodiment, the organic electroluminescent device of different colours includes red, green and blue organic electroluminescent
Element；The organic electroluminescent device 5 of first color is blue organic electroluminescent element, red and green organic electroluminescent
The light emitting functional layer of element is planar panel structure.Since blue organic electroluminescent element is relative to red and green organic electroluminescence
Light-emitting component is easier to lead to higher heat radiation under same on-load voltage, and is easier under higher heat radiation effect
There is exciton Quenching, i.e., faster, the service life is shorter for the rate of ageing of blue organic electroluminescent element exciton, therefore, as long as
Curved plate structure is set by the light emitting functional layer 2 of blue organic electroluminescent element in array substrate, can be improved well
The service life of blue organic electroluminescent element, to be effectively improved the service life of array substrate.
In the present embodiment, resin layer 6 is additionally provided on substrate 4, organic electroluminescent device is arranged on resin layer 6, tree
The surface of rouge layer 6 being in contact with organic electroluminescent device and the shape of organic electroluminescent device match.Resin layer 6
Shape setting is conducive to the preparation on resin layer 6 and forms the organic electroluminescent member that light emitting functional layer 2 is Curved plate structure
Part.
In the present embodiment, array substrate is top emission type array substrate.Wherein, the first electrode of organic electroluminescent device
1 relative to second electrode 3 closer to substrate 4, first electrode 1 is made of light-proof material, to realize top emission type array
Substrate.
It should be noted that array substrate may be bottom emitting type array substrate, as shown in fig. 7, organic electroluminescent
The second electrode 3 relative to first electrode 1 far from substrate 4 of element is made of light-proof material, to realize bottom emitting type
Array substrate.
It is further to note that the red and green organic electroluminescent device in array substrate also can be using real
Apply a 1-3 it is any in organic electroluminescent device structure, so as to further improve red and green organic electroluminescent member
The service life of part, and then can further improve the service life of array substrate.
In the present embodiment, the side away from organic electroluminescent device on substrate 4 in resin layer 6 is additionally provided with pixel electricity
Road floor 12, pixel circuit layer 12 include TFT circuit and the pixel-driving circuits such as grid line and data line, and pixel circuit layer is existing
There is setting, specifically repeats no more.
Above structure based on array substrate, the present embodiment also provide a kind of preparation method of array substrate, are included in
Preparation forms the organic electroluminescent device of different colours on substrate.
The preparation method of the array substrate is specifically included to be prepared on substrate using nano-imprint method or intermediate tone mask method
Form resin layer；Then it prepares to form organic electroluminescent device using vapour deposition method or solwution method.
Wherein, resin layer uses resin material, and nano-imprint method being capable of direct pressing formation surface and organic electroluminescent
The resin layer that the shape of element matches, nano-imprint method are the preparation process of comparative maturity, and which is not described herein again.Halftoning is covered
Embrane method be by using intermediate tone mask plate to coating formed resin layer basement membrane carry out halftone exposure, by exposure and it is subsequent
Developing process prepares to form the resin layer that the shape on surface and organic electroluminescent device matches, and intermediate tone mask method is to compare
Mature preparation process, which is not described herein again.
It includes successive using vapour deposition method or solwution method for being prepared using vapour deposition method or solwution method and forming organic electroluminescent device
The step of preparation forms first electrode, light emitting functional layer and second electrode, vapour deposition method and solwution method are the preparation of comparative maturity
Technique, which is not described herein again.
In addition, further including preparing to form pixel defining layer on the resin layer before preparation forms organic electroluminescent device
The step of, pixel defining layer prepares to be formed using the patterning processes of comparative maturity, and details are not described herein again.
Embodiment 4 the utility model has the advantages that array substrate provided in embodiment 4, by least make the service life it is shorter first
The organic electroluminescent device of color using embodiment 1-3 it is any in organic electroluminescent device, can at least reduce by first
The on-load voltage of the organic electroluminescent device of color, at least reduce the hot spoke of the organic electroluminescent device of the first color
Penetrate, improve the first color organic electroluminescent device temperature it is higher caused by exciton Quenching, slow down the first face
The exciton rate of ageing of the organic electroluminescent device of color, and then improve the service life of the organic electroluminescent device of the first color,
Finally in the case where ensuring that array substrate light emission luminance is constant, improve the service life of array substrate.
Embodiment 5:
The present embodiment provides a kind of display panels, including the array substrate in embodiment 4.
By using the array substrate in embodiment 4, can improve in the case where ensuring that display panel display brightness is constant
The service life of display panel.
Display panel provided by the present invention can appoint for oled panel, OLED TV, display, mobile phone, navigator etc.
What products or components having a display function, or the semi-finished articles of above-mentioned products or components having a display function.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, however the present invention is not limited thereto.For those skilled in the art, essence of the invention is not being departed from
In the case where mind and essence, various changes and modifications can be made therein, these variations and modifications are also considered as protection scope of the present invention.
Claims (11)
1. a kind of organic electroluminescent device, including first electrode, light emitting functional layer and second electrode, the light emitting functional layer folder
Between the first electrode and the second electrode, which is characterized in that the light emitting functional layer is Curved plate structure.
2. organic electroluminescent device according to claim 1, which is characterized in that the light emitting functional layer is cambered plate,
Side is recessed where the cambered plate to the first electrode, and the first electrode and the second electrode are and the luminous function
The cambered plate that ergosphere matches.
3. organic electroluminescent device according to claim 1, which is characterized in that the light emitting functional layer is cambered plate,
Side is recessed where the cambered plate to the second electrode, and the first electrode and the second electrode are and the luminous function
The cambered plate that ergosphere matches.
4. organic electroluminescent device according to claim 1, which is characterized in that the light emitting functional layer is wave-shape board,
The wave crest of the wave-shape board is identical with trough shape size, and the first electrode and the second electrode are and the luminous function
The wave-shape board that ergosphere matches.
5. a kind of array substrate, the organic electroluminescent device of the different colours including substrate and setting on the substrate, institute
It states organic electroluminescent device to be arranged in array, which is characterized in that the organic electroluminescent device of at least the first color is
Organic electroluminescent device described in claim 1-4 any one；
The organic electroluminescent device of first color is institute under conditions of emitting brightness is constant on same light-emitting surface
The on-load voltage of the organic electroluminescent device of the first color is stated relatively with the planar panel structure light emitting functional layer of color
The on-load voltage range of decrease of the organic electroluminescent device is greater than the organic electroluminescent device of predetermined value.
6. array substrate according to claim 5, which is characterized in that the organic electroluminescent device packet of different colours
Include organic electroluminescent device described in red, green and blue；
The organic electroluminescent device of first color is the blue organic electroluminescent device, red and green institute
The light emitting functional layer for stating organic electroluminescent device is planar panel structure.
7. array substrate according to claim 5 or 6, which is characterized in that resin layer is additionally provided on the substrate, it is described
Organic electroluminescent device is arranged on the resin layer, and the resin layer is in contact with the organic electroluminescent device
The shape of surface and the organic electroluminescent device matches.
8. array substrate according to claim 5, which is characterized in that the array substrate is top emission type or bottom emitting type
Array substrate.
9. a kind of display panel, which is characterized in that including array substrate described in claim 5-8 any one.
10. a kind of preparation method of the array substrate as described in claim 5-8 any one, which is characterized in that be included in base
Preparation forms the organic electroluminescent device of different colours on plate.
11. preparation method according to claim 10, which is characterized in that the array substrate is as claimed in claim 7
Array substrate, the preparation method include preparing to form resin on the substrate using nano-imprint method or intermediate tone mask method
Layer；
Then it prepares to form the organic electroluminescent device using vapour deposition method or solwution method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910002418.9A CN109728178B (en) | 2019-01-02 | 2019-01-02 | Organic electroluminescent element, array substrate, preparation method of array substrate and display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910002418.9A CN109728178B (en) | 2019-01-02 | 2019-01-02 | Organic electroluminescent element, array substrate, preparation method of array substrate and display panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109728178A true CN109728178A (en) | 2019-05-07 |
| CN109728178B CN109728178B (en) | 2021-03-05 |
Family
ID=66298710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910002418.9A Active CN109728178B (en) | 2019-01-02 | 2019-01-02 | Organic electroluminescent element, array substrate, preparation method of array substrate and display panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109728178B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102931360A (en) * | 2012-10-25 | 2013-02-13 | 四川虹视显示技术有限公司 | Organic light emitting diode |
| CN103022048A (en) * | 2012-12-12 | 2013-04-03 | 京东方科技集团股份有限公司 | Array substrate, preparation method of array substrate and organic light emitting diode display device |
| CN104779269A (en) * | 2015-04-13 | 2015-07-15 | 深圳市华星光电技术有限公司 | OLED (organic light emitting display) device |
| CN105226080A (en) * | 2015-11-18 | 2016-01-06 | 上海天马有机发光显示技术有限公司 | A kind of display unit and manufacture method thereof |
| CN106299143A (en) * | 2016-09-05 | 2017-01-04 | 京东方科技集团股份有限公司 | A kind of collimated light source, its manufacture method and display device |
| KR20170051786A (en) * | 2015-10-30 | 2017-05-12 | 엘지디스플레이 주식회사 | Organic light emitting display device |
| CN107403811A (en) * | 2017-09-07 | 2017-11-28 | 京东方科技集团股份有限公司 | Display base plate and its manufacture method and display device |
| CN107799662A (en) * | 2017-12-05 | 2018-03-13 | 京东方科技集团股份有限公司 | Organic light emitting diode device and preparation method thereof, display panel, display device |
| CN107819079A (en) * | 2017-10-18 | 2018-03-20 | 武汉华星光电半导体显示技术有限公司 | Organic electroluminescence display panel and its manufacture method, organic light-emitting display device |
| CN108232020A (en) * | 2016-12-20 | 2018-06-29 | 乐金显示有限公司 | Organic Light Emitting Diode and the organic light emitting apparatus including the Organic Light Emitting Diode |
| CN108364989A (en) * | 2018-02-26 | 2018-08-03 | 上海天马有机发光显示技术有限公司 | Organic light emitting display panel and preparation method thereof, organic light-emitting display device |
| CN108511612A (en) * | 2017-02-27 | 2018-09-07 | 乐金显示有限公司 | Organic light emitting apparatus |
| CN108538896A (en) * | 2018-04-26 | 2018-09-14 | 武汉华星光电半导体显示技术有限公司 | Oled pixel structure and oled display panel |
-
2019
- 2019-01-02 CN CN201910002418.9A patent/CN109728178B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102931360A (en) * | 2012-10-25 | 2013-02-13 | 四川虹视显示技术有限公司 | Organic light emitting diode |
| CN103022048A (en) * | 2012-12-12 | 2013-04-03 | 京东方科技集团股份有限公司 | Array substrate, preparation method of array substrate and organic light emitting diode display device |
| CN104779269A (en) * | 2015-04-13 | 2015-07-15 | 深圳市华星光电技术有限公司 | OLED (organic light emitting display) device |
| KR20170051786A (en) * | 2015-10-30 | 2017-05-12 | 엘지디스플레이 주식회사 | Organic light emitting display device |
| CN105226080A (en) * | 2015-11-18 | 2016-01-06 | 上海天马有机发光显示技术有限公司 | A kind of display unit and manufacture method thereof |
| CN106299143A (en) * | 2016-09-05 | 2017-01-04 | 京东方科技集团股份有限公司 | A kind of collimated light source, its manufacture method and display device |
| CN108232020A (en) * | 2016-12-20 | 2018-06-29 | 乐金显示有限公司 | Organic Light Emitting Diode and the organic light emitting apparatus including the Organic Light Emitting Diode |
| CN108511612A (en) * | 2017-02-27 | 2018-09-07 | 乐金显示有限公司 | Organic light emitting apparatus |
| CN107403811A (en) * | 2017-09-07 | 2017-11-28 | 京东方科技集团股份有限公司 | Display base plate and its manufacture method and display device |
| CN107819079A (en) * | 2017-10-18 | 2018-03-20 | 武汉华星光电半导体显示技术有限公司 | Organic electroluminescence display panel and its manufacture method, organic light-emitting display device |
| CN107799662A (en) * | 2017-12-05 | 2018-03-13 | 京东方科技集团股份有限公司 | Organic light emitting diode device and preparation method thereof, display panel, display device |
| CN108364989A (en) * | 2018-02-26 | 2018-08-03 | 上海天马有机发光显示技术有限公司 | Organic light emitting display panel and preparation method thereof, organic light-emitting display device |
| CN108538896A (en) * | 2018-04-26 | 2018-09-14 | 武汉华星光电半导体显示技术有限公司 | Oled pixel structure and oled display panel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109728178B (en) | 2021-03-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10439008B2 (en) | Organic light-emitting display panel and manufacturing method thereof, and organic light-emitting display device | |
| CN104716167B (en) | A kind of organic elctroluminescent device, its preparation method and display device | |
| CN103681773A (en) | Organic electroluminescent display device, preparation method thereof and display device | |
| CN103022049B (en) | Array base palte and preparation method thereof, display unit | |
| CN109273621A (en) | A kind of organic light emitting display panel, preparation method and display device | |
| US9679953B2 (en) | WOLED back panel and method of manufacturing the same | |
| CN105185917A (en) | Organic electroluminescence display device and display apparatus | |
| CN104347680A (en) | AMOLED (Active Matrix/Organic Light Emitting Diode) display panel and manufacturing method thereof and display device | |
| CN110061151A (en) | A kind of organic LED panel and preparation method thereof and display equipment | |
| CN105489611A (en) | Printed type light emitting display and manufacturing method therefor | |
| CN208655656U (en) | Pixel defining layer, display base plate, display panel and display device | |
| CN106803511A (en) | Oled display panel | |
| CN107689385A (en) | Top emission type electro-luminescence display device and preparation method thereof | |
| CN107180847A (en) | Dot structure, organic electroluminescence display panel and preparation method thereof, display device | |
| CN104319355B (en) | A kind of luminescent device and drive control method, light fixture | |
| CN101000948B (en) | Pixel structure and organic light emitting device including the pixel structure | |
| KR100970482B1 (en) | Organic light emitting device and method of manufacturing the same | |
| CN106252525A (en) | OLED and manufacture method, display floater and display device | |
| CN109564931A (en) | Stack organic light emitting apparatus, organic LED display device and the method for manufacturing stack organic light emitting apparatus | |
| CN104409470B (en) | Pixel cell and preparation method thereof, OLED array and display device | |
| CN105633295A (en) | Organic light-emitting diode fluorescent device structure and manufacture method thereof | |
| CN110379835B (en) | Display panel, display device and preparation method of display panel | |
| CN109728178A (en) | Organic electroluminescent device, array substrate and preparation method thereof and display panel | |
| CN108022963B (en) | Hybrid LED luminary for display | |
| CN202930382U (en) | Array substrate and display apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |