CN108183178A - OLED display panel and preparation method thereof - Google Patents
OLED display panel and preparation method thereof Download PDFInfo
- Publication number
- CN108183178A CN108183178A CN201711454249.XA CN201711454249A CN108183178A CN 108183178 A CN108183178 A CN 108183178A CN 201711454249 A CN201711454249 A CN 201711454249A CN 108183178 A CN108183178 A CN 108183178A
- Authority
- CN
- China
- Prior art keywords
- layer
- groove
- substrate
- oled device
- oled
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/841—Self-supporting sealing arrangements
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/844—Encapsulations
- H10K50/8445—Encapsulations multilayered coatings having a repetitive structure, e.g. having multiple organic-inorganic bilayers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/85—Arrangements for extracting light from the devices
- H10K50/856—Arrangements for extracting light from the devices comprising reflective means
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
Abstract
The invention discloses a kind of OLED display panels and preparation method thereof, OLED display panel includes opening up reflecting layer, the OLED device in the groove and the encapsulated layer set on the substrate surface of reeded substrate, the groove inner surface for being covered in the substrate on one side, and the OLED device is packaged in the groove by the encapsulated layer.The OLED device of the present invention is formed in the reeded substrate of tool, and the surface of groove is formed with the reflecting layer for reflection light, the light projected from the organic luminous layer of OLED device towards surrounding can be projected from light-emitting surface again after reflecting layer is collected, improve light extraction efficiency, significantly improve the light emission luminance of OLED, visible angle is increased, and the normal working voltage of OLED device can be reduced, slows down the aging rate of decay of OLED device.
Description
Technical field
The present invention relates to organic light emitting display technical fields more particularly to a kind of OLED display panel and preparation method thereof.
Background technology
OLED (Organic Light-Emitting Diode, i.e. Organic Light Emitting Diode) have self-luminous, high brightness,
The characteristics such as wide viewing angle, high contrast, deflection, low energy consumption, therefore widely paid close attention to, and as the display side of a new generation
Formula has started gradually to replace conventional liquid crystal, has been widely used in mobile phone screen, computer monitor, full-color TV etc..
OLED display technologies are different from traditional LCD display modes, without backlight, the very thin coating of organic material of use and glass
Substrate, when have electric current by when, these organic materials will shine.
However, due to structure design difference, there are bottles always for OLED light emission luminance, light extraction efficiency, visible angle
Neck, how improving OLED light emission luminance, improving OLED device light extraction efficiency and increasing visible angle becomes OLED research fields one
Item important topic, the light emission rate for improving eye-observation direction as much as possible advantageously reduce the normal working voltage of device, and subtract
The aging rate of decay of slow OLED device.
Invention content
It, can be with the present invention provides a kind of OLED display panel and preparation method thereof in view of the shortcomings of the prior art
It significantly improves OLED light emission luminance, promote its light extraction efficiency, and increase visible angle, the normal work of OLED device can be reduced
Voltage slows down the aging rate of decay of OLED device.
In order to realize above-mentioned purpose, present invention employs following technical solutions：
A kind of OLED display panel, including opening up reeded substrate on one side, being covered in the groove of the substrate
The reflecting layer on surface, the OLED device in the groove and the encapsulated layer set on the substrate surface, the encapsulated layer
The OLED device is packaged in the groove.
As one of which embodiment, the OLED device includes organic luminous layer and is respectively arranged on the organic light emission
The anode and cathode of layer both sides, the anode are provided close to side where the reflecting layer, and the cathode is provided close to the encapsulation
Side where layer.
Alternatively, the OLED device includes organic luminous layer and the anode and the moon that are respectively arranged on the organic luminous layer both sides
Pole, the anode are provided close to side where the encapsulated layer, and the cathode is provided close to side where the reflecting layer.
As one of which embodiment, the substrate is conductive material, and the cathode is integrally formed with the substrate.
As one of which embodiment, the side wall of the groove is tubaeform to be flared towards surrounding.
As one of which embodiment, the encapsulated layer is spherical lens.
Alternatively, the encapsulated layer includes the plural layer organic layer being arranged alternately successively from bottom to top and plural layer inorganic layer,
And it is equipped with hydrophilic layer, the organic layer of the bottom and the OLED devices between at least one layer of inorganic layer and organic layer above it
Part is oppositely arranged.
Another object of the present invention is to provide a kind of production method of OLED display panel, including：
One substrate is provided；
Surface opens up groove on the substrate；
Reflecting layer is made in the groove surfaces；
OLED device is made in the reflection layer surface；
The surface for having the groove in the substrate covers one layer of encapsulated layer, the OLED device is packaged in described recessed
In slot.
As one of which embodiment, when the reflection layer surface makes OLED device, the substrate is overturn first,
Make the groove downward, mask plate lid is then located at the groove floor, be deposited to form institute in the reflection layer surface successively
State each functional layer of OLED device.
As one of which embodiment, when there is the substrate surface of the groove to cover one layer of encapsulated layer, packet
It includes and makes the plural layer organic layer being arranged alternately and plural layer inorganic layer on the surface of the substrate successively, and make at least one layer of nothing
Hydrophilic layer is equipped between machine layer and organic layer above it.
The OLED device of the present invention is formed in the reeded substrate of tool, and the surface of groove is formed with for reflection light
Reflecting layer, the light projected from the organic luminous layer of OLED device towards surrounding can penetrate from light-emitting surface again after reflecting layer is collected
Go out, improve light extraction efficiency, hence it is evident that improve the light emission luminance of OLED, increase visible angle, and OLED device can be reduced
Normal working voltage slows down the aging rate of decay of OLED device.
Description of the drawings
Fig. 1 is the structure diagram of the OLED display panel of the embodiment of the present invention；
Fig. 2 a are a kind of structure diagram of OLED device of the embodiment of the present invention；
Fig. 2 b are the structure diagram of another OLED device of the embodiment of the present invention；
Fig. 3 is the production method schematic diagram of the OLED display panel of the embodiment of the present invention；
Fig. 4 is a part of manufacturing process schematic diagram of the OLED display panel of the embodiment of the present invention；
Fig. 5 is another part manufacturing process schematic diagram of the OLED display panel of the embodiment of the present invention.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right
The present invention is further described.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and does not have to
It is of the invention in limiting.
Refering to Fig. 1, the OLED display panel of the embodiment of the present invention includes opening up the substrate 1 of fluted 1a on one side, be covered in
The reflecting layer 2 of groove 1a inner surfaces, the OLED device 3 in groove 1a and the encapsulated layer set on 1 surface of substrate of substrate 1
4, OLED device 3 is packaged in groove 1a by encapsulated layer 4.
Reflecting layer 2 is surrounded on the surrounding of OLED device 3, and spaced apart with the end face of 3 surrounding of OLED device, OLED
Each function layer stackup of device 3 is formed on the reflecting layer 2 of groove 1a bottoms, and the organic luminous layer 31 of OLED device 3 is towards surrounding
And projected after the respective surfaces reflection in reflecting layer 2 from the encapsulated layer 4 at top towards the light that bottom is sent out, this improves
The luminous efficiency of OLED device 3, improves the brightness of OLED display panel, and increases the display view angle of OLED display panel,
Under the premise of demand brightness is certain, the required driving voltage of OLED display panel becomes smaller, therefore slow down OLED device
The aging rate of decay.
The depth of groove 1a is between 100nm~1000nm, the slightly above thickness of OLED device 3 so that OLED device 3 with
Certain spacing distance is kept between encapsulated layer 4.The thickness in reflecting layer 2 between 0~3000nm (not including 0), with cooperation
The light extraction of OLED device 3 is matched, material can be conductive metal (such as Ag), metal alloy (such as Ag/Mg) or its
He has the conductive layer of reflection function.
Such as the structure diagram of two different OLED device 3 that Fig. 2 a and Fig. 2 b are the present embodiment, OLED device 3 includes
Organic luminous layer 31 and be respectively arranged on 31 both sides of organic luminous layer anode 32 and cathode 33, set on anode 32 and organic luminous layer
Hole transmission layer 34a, hole injection layer 34b between 31, electron-transport between organic luminous layer 31 and cathode 33 with
Implanted layer 35.When having anode 32 and the cathode 33 to be applied in bias, by injection electronics, anode is injected by injection hole cathode
Electrons and holes in organic layer in the form of colliding wave transmit, and be transmitted separately to it is compound in organic luminous layer 31, so as to swash
Organic luminous layer 31 is sent out to shine.
In Fig. 2 a, OLED device 3 is top emission type, and anode 32 is provided close to 2 place side of reflecting layer, and cathode 33 is set on and leans on
Nearly 4 place side of encapsulated layer.In Fig. 2 b, OLED device 3 is bottom emitting type, and anode 32 is provided close to 4 place side of encapsulated layer, cathode
33 are provided close to 2 place side of reflecting layer, it is preferable that substrate 1 is conductive electrode material, and cathode 33 is integrally formed with substrate 1, i.e. base
Plate 1 is directly as the cathode 33 of OLED device 3.Preferably, the side wall of groove 1a is tubaeform to be flared towards surrounding, for example,
The section in reflecting layer 2 is trapezoidal or hemispherical.
Encapsulated layer 4 includes the plural layer organic layer A being arranged alternately successively from bottom to top and plural layer inorganic layer B, and at least
Hydrophilic layer C is equipped between one layer of inorganic layer B and organic layer A above it, the organic layer A of the bottom is encapsulated in the groove of substrate 1
The openend of 1a is oppositely arranged with OLED device 3.Inorganic layer B is generally film forming and the preferable silicon substrate SiO of uniformityxOr
SiNx, organic layer A is the thin polymer film with preferable steam, oxygen obstruction effect, and inorganic layer B is arranged alternately with organic layer A,
Not only the film forming and flatness of encapsulated layer 4 can guarantee, but also can ensure the oxygen barrier effect that blocks water of encapsulated layer 4 well.
In other embodiments, encapsulated layer 4 or spherical lens, substrate 1 is directly encapsulated into as cover board
The openend of groove 1a.
Such as Fig. 3~Fig. 5, the present invention also provides a kind of production method of OLED display panel, including：
S01, a substrate 1 is provided；
S02, on substrate 1 surface open up groove 1a, and the depth of groove 1a passes through erosion between 100nm~1000nm
It carves or the mode of sandblasting slots to be formed, slot cross-section can be the concave surface of inverted trapezoidal, bowl-type so that the side wall of groove 1a is towards four
Week is flared tubaeform；
S03, reflecting layer 2 is made on groove 1a surfaces, which can be by groove sputtering or being deposited, prints
Etc. depositions formed, thickness, (not including 0), is matched between 0~3000nm with the light extraction for coordinating OLED device 3,
Its material can be conductive metal (such as Ag), metal alloy (such as Ag/Mg) or other conductive layers with reflection function；
S04, OLED device 3 being made on 2 surface of reflecting layer, the thickness of OLED device 3 is slightly below groove 1a, wherein, it is making
When making OLED device 3, upset substrate 1 first makes groove 1a downward, and mask plate M lids then are located at groove 1a bottom surfaces, are existed successively
Each functional layer to form OLED device 3 is deposited in 2 surface of reflecting layer, then overturns again to groove 1a upward；
S05, one layer of encapsulated layer 4 is covered on surface of the substrate 1 with groove 1a, OLED device 3 is packaged in groove 1a.
Specifically, the step of making encapsulated layer 4 on the surface of substrate 1 including making the plural layer organic layer A being arranged alternately and answering successively
Several layers of inorganic layer B, and make to be equipped with hydrophilic layer C between at least one layer of inorganic layer B and organic layer A above it, for example, successively in base
Surface making organic layer A, inorganic layer B, hydrophilic layer C, organic layer A, the inorganic layer B, outermost inorganic layer B of plate 1 are spherical surface knot
Structure with preferably divergent rays injection angle, forms the visible angle of bigger.
When OLED device 3 is bottom emitting type, the making of cathode 33 can be saved, directly using substrate 1 as OLED device 3
Cathode 33, groove 1a is then opened up on 1 surface of substrate and makes reflecting layer 2, then makes remaining functional layer.
The OLED device of the present invention is formed in the reeded substrate of tool, and the surface of groove is formed with for reflection light
Reflecting layer, the light projected from the organic luminous layer of OLED device towards surrounding can penetrate from light-emitting surface again after reflecting layer is collected
Go out, improve light extraction efficiency, hence it is evident that improve the light emission luminance of OLED, increase visible angle, and OLED device can be reduced
Normal working voltage slows down the aging rate of decay of OLED device.
The above is only the specific embodiment of the application, it is noted that for the ordinary skill people of the art
For member, under the premise of the application principle is not departed from, several improvements and modifications can also be made, these improvements and modifications also should
It is considered as the protection domain of the application.
Claims (10)
1. a kind of OLED display panel, which is characterized in that described in opening up the substrate (1) of fluted (1a) on one side, being covered in
It the reflecting layer (2) of the groove (1a) inner surface of substrate (1), the OLED device (3) in the groove (1a) and sets
The OLED device (3) is packaged in the groove (1a) by the encapsulated layer (4) in the substrate (1) surface, the encapsulated layer (4)
It is interior.
2. OLED display panel according to claim 1, which is characterized in that the OLED device (3) is including organic light emission
Layer and is respectively arranged on the anode (32) of the organic luminous layer (31) both sides and cathode (33) at (31), the anode (32) set on by
Side where the nearly reflecting layer (2), the cathode (33) are provided close to side where the encapsulated layer (4).
3. OLED display panel according to claim 1, which is characterized in that the OLED device (3) is including organic light emission
Layer and is respectively arranged on the anode (32) of the organic luminous layer (31) both sides and cathode (33) at (31), the anode (32) set on by
Side where the nearly encapsulated layer (4), the cathode (33) are provided close to side where the reflecting layer (2).
4. OLED display panel according to claim 3, which is characterized in that the substrate (1) be conductive material, described the moon
Pole (33) is integrally formed with the substrate (1).
5. OLED display panel according to claim 1, which is characterized in that the side wall of the groove (1a) is to expand towards surrounding
Mouthful it is tubaeform.
6. according to any OLED display panels of claim 1-5, which is characterized in that the encapsulated layer (4) is saturating for spherical surface
Mirror.
7. according to any OLED display panels of claim 1-5, which is characterized in that the encapsulated layer (4) is including under
The plural layer organic layer (A) and plural layer inorganic layer (B) being arranged alternately successively on and, and at least one layer of inorganic layer (B) with thereon
Hydrophilic layer (C) is equipped between the organic layer (A) of side, the organic layer (A) of the bottom is opposite with the OLED device (3) to be set
It puts.
8. a kind of production method of OLED display panel, which is characterized in that including：
One substrate (1) is provided；
Groove (1a) is opened up in the substrate (1) upper surface；
Reflecting layer (2) are made on the groove (1a) surface；
OLED device (3) is made on the reflecting layer (2) surface；
The surface for having the groove (1a) in the substrate (1) covers one layer of encapsulated layer (4), and the OLED device (3) is sealed
Loaded in the groove (1a).
9. the production method of OLED display panel according to claim 8, which is characterized in that in the reflecting layer (2) table
When face makes OLED device (3), the substrate (1) is overturn first, makes the groove (1a) downward, is then located at mask plate lid
Each functional layer to form the OLED device (3) is deposited in groove (1a) bottom surface on the reflecting layer (2) surface successively.
10. the production method of OLED display panel according to claim 8 or claim 9, which is characterized in that in the substrate (1)
When surface with the groove (1a) covers one layer of encapsulated layer (4), replace including being made successively on the surface of the substrate (1)
The plural layer organic layer (A) of setting and plural layer inorganic layer (B), and make at least one layer of inorganic layer (B) and the organic layer above it
(A) hydrophilic layer (C) is equipped between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711454249.XA CN108183178A (en) | 2017-12-28 | 2017-12-28 | OLED display panel and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711454249.XA CN108183178A (en) | 2017-12-28 | 2017-12-28 | OLED display panel and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108183178A true CN108183178A (en) | 2018-06-19 |
Family
ID=62548219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711454249.XA Pending CN108183178A (en) | 2017-12-28 | 2017-12-28 | OLED display panel and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108183178A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109343273A (en) * | 2018-11-23 | 2019-02-15 | 江苏新广联科技股份有限公司 | A kind of big beam angle Mini LED backlight mould group and preparation method thereof |
| CN110164322A (en) * | 2019-05-22 | 2019-08-23 | 深圳市华星光电半导体显示技术有限公司 | A kind of display panel and electronic device |
| WO2021184445A1 (en) * | 2020-03-19 | 2021-09-23 | 武汉华星光电半导体显示技术有限公司 | Oled display panel and display device |
| CN113871549A (en) * | 2021-09-24 | 2021-12-31 | 深圳市华星光电半导体显示技术有限公司 | OLED display panel |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101079460A (en) * | 2006-05-23 | 2007-11-28 | 台达电子工业股份有限公司 | Lighting device |
| CN101369630A (en) * | 2008-09-26 | 2009-02-18 | 电子科技大学 | Organic opto-electronic device with protection layer and preparation method thereof |
| CN100539238C (en) * | 2003-12-27 | 2009-09-09 | 三星移动显示器株式会社 | Organic light-emitting device and the method for making this organic light-emitting device |
| EP2328196A2 (en) * | 2009-11-25 | 2011-06-01 | Samsung Mobile Display Co., Ltd. | Organic light emitting diode display and method of manufacturing the same |
| CN102648543A (en) * | 2009-09-25 | 2012-08-22 | Sri国际公司 | A method for encapsulation of organic electronic devices |
| CN103490016A (en) * | 2013-09-24 | 2014-01-01 | 京东方科技集团股份有限公司 | Packaging structure of OLED device |
| US20150021567A1 (en) * | 2013-07-19 | 2015-01-22 | Samsung Display Co., Ltd. | Organic light emitting diode display |
| KR20150078246A (en) * | 2013-12-30 | 2015-07-08 | 엘지디스플레이 주식회사 | Encapsulation material, organic light emitting display device and fabrication method of organic light emitting display device using thereof |
| CN105098039A (en) * | 2015-06-05 | 2015-11-25 | 青岛海信电器股份有限公司 | Quantum dot light-emitting component, backlight module and display device |
| CN105789257A (en) * | 2016-03-23 | 2016-07-20 | 京东方科技集团股份有限公司 | Thin-film packaging structure and display device |
| CN105977390A (en) * | 2015-03-11 | 2016-09-28 | 吴忠帜 | Electroluminescent device |
-
2017
- 2017-12-28 CN CN201711454249.XA patent/CN108183178A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100539238C (en) * | 2003-12-27 | 2009-09-09 | 三星移动显示器株式会社 | Organic light-emitting device and the method for making this organic light-emitting device |
| CN101079460A (en) * | 2006-05-23 | 2007-11-28 | 台达电子工业股份有限公司 | Lighting device |
| CN101369630A (en) * | 2008-09-26 | 2009-02-18 | 电子科技大学 | Organic opto-electronic device with protection layer and preparation method thereof |
| CN102648543A (en) * | 2009-09-25 | 2012-08-22 | Sri国际公司 | A method for encapsulation of organic electronic devices |
| EP2328196A2 (en) * | 2009-11-25 | 2011-06-01 | Samsung Mobile Display Co., Ltd. | Organic light emitting diode display and method of manufacturing the same |
| US20150021567A1 (en) * | 2013-07-19 | 2015-01-22 | Samsung Display Co., Ltd. | Organic light emitting diode display |
| CN103490016A (en) * | 2013-09-24 | 2014-01-01 | 京东方科技集团股份有限公司 | Packaging structure of OLED device |
| KR20150078246A (en) * | 2013-12-30 | 2015-07-08 | 엘지디스플레이 주식회사 | Encapsulation material, organic light emitting display device and fabrication method of organic light emitting display device using thereof |
| CN105977390A (en) * | 2015-03-11 | 2016-09-28 | 吴忠帜 | Electroluminescent device |
| CN105098039A (en) * | 2015-06-05 | 2015-11-25 | 青岛海信电器股份有限公司 | Quantum dot light-emitting component, backlight module and display device |
| CN105789257A (en) * | 2016-03-23 | 2016-07-20 | 京东方科技集团股份有限公司 | Thin-film packaging structure and display device |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109343273A (en) * | 2018-11-23 | 2019-02-15 | 江苏新广联科技股份有限公司 | A kind of big beam angle Mini LED backlight mould group and preparation method thereof |
| CN110164322A (en) * | 2019-05-22 | 2019-08-23 | 深圳市华星光电半导体显示技术有限公司 | A kind of display panel and electronic device |
| WO2020232982A1 (en) * | 2019-05-22 | 2020-11-26 | 深圳市华星光电半导体显示技术有限公司 | Display panel and electronic device |
| US11263955B2 (en) | 2019-05-22 | 2022-03-01 | Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Display panel and electronic device |
| WO2021184445A1 (en) * | 2020-03-19 | 2021-09-23 | 武汉华星光电半导体显示技术有限公司 | Oled display panel and display device |
| CN113871549A (en) * | 2021-09-24 | 2021-12-31 | 深圳市华星光电半导体显示技术有限公司 | OLED display panel |
| WO2023044945A1 (en) * | 2021-09-24 | 2023-03-30 | 深圳市华星光电半导体显示技术有限公司 | Oled display panel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106654047B (en) | OLED display panel and preparation method thereof | |
| CN106654046B (en) | OLED display panel and preparation method thereof | |
| US10084155B2 (en) | OLED display | |
| CN108183178A (en) | OLED display panel and preparation method thereof | |
| CN102969329B (en) | Contain organic light-emitting display device and the manufacture method thereof of the electrode with catoptric arrangement | |
| CN206976349U (en) | Oled display panel | |
| CN104103673B (en) | A kind of OLED display and preparation method thereof | |
| TW201926673A (en) | Electroluminescent display device | |
| CN109103346A (en) | A kind of encapsulating structure and display panel | |
| KR20040020673A (en) | Organic electro luminescent display device and fabrication method thereof | |
| CN103325958A (en) | Organic light-emitting device packaging cover plate, organic light-emitting device and displayer | |
| CN103887322A (en) | Organic light emitting display apparatus and manufacturing method thereof | |
| CN109256493A (en) | A kind of preparation method of electroluminescence display panel, display device and display panel | |
| US11239447B2 (en) | OLED display panel and manufacturing method thereof | |
| CN104779269A (en) | OLED (organic light emitting display) device | |
| CN109545998A (en) | Display panel and production method | |
| CN109216574A (en) | OLED display panel and preparation method thereof | |
| CN108321173A (en) | Miniature OLED display and preparation method thereof | |
| CN109638055A (en) | A kind of organic light emitting display panel, preparation method and display device | |
| CN109216406A (en) | OLED display panel and preparation method thereof | |
| CN109216407A (en) | OLED display panel and preparation method thereof | |
| CN104779268A (en) | OLED (organic light emitting display) device | |
| CN109216410A (en) | OLED display panel and preparation method thereof | |
| TW564657B (en) | Organic light-emitting diode display device | |
| CN108231841A (en) | OLED display device and preparation method |
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 | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180619 |
|
| WD01 | Invention patent application deemed withdrawn after publication |