CN109671756A - Display screen and display device - Google Patents
Display screen and display device Download PDFInfo
- Publication number
- CN109671756A CN109671756A CN201811541542.4A CN201811541542A CN109671756A CN 109671756 A CN109671756 A CN 109671756A CN 201811541542 A CN201811541542 A CN 201811541542A CN 109671756 A CN109671756 A CN 109671756A
- Authority
- CN
- China
- Prior art keywords
- layer
- display screen
- thin
- hard
- filter
- 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
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
It includes: array substrate that the present invention, which provides a kind of display screen and display device, the display screen,；Light emitting device layer is arranged in the array substrate；Thin-film encapsulation layer is arranged on the light emitting device layer；Hard layer is arranged in the thin-film encapsulation layer；Wherein, the hard layer does not pass through colloid layer and is fixed in the thin-film encapsulation layer.The program reduces the use of substrate, colloid layer, improves the hardness of display screen by the way that hard layer to be set up directly in thin-film encapsulation layer.
Description
Technical field
The present invention relates to field of display technology, more particularly to a kind of display screen and display device.
Background technique
In field of display technology, due to OLED (Organic Light-emitting Diode, organic light-emitting diodes
Pipe) display has the characteristics that light-weight, self-luminous, wide viewing angle and fast response time, it is used widely.
As shown in Figure 1, OLED display 2 can by backboard 21, display panel 22, touch panel 23, polaroid 24 and
The equal components composition of glass cover-plate 25.By setting colloid layer 26 between these components, it is pasted together.Wherein, glass cover-plate 25
It needs to be made using flexible base board 251 as carrier by being coated with hard coat 252 on substrate 251.
Although above-mentioned colloid layer 26, flexible base board 251 can make OLED display 2 have preferable bending performance,
Cause the reduction of 2 hardness of OLED display.
Summary of the invention
The purpose of the present invention is to provide a kind of display screen and display device, the hard of display screen and display device can be improved
Degree.
The embodiment of the invention provides a kind of display screens comprising；
Array substrate；
Light emitting device layer is arranged in the array substrate；
Thin-film encapsulation layer is arranged on the light emitting device layer；
Hard layer is arranged in the thin-film encapsulation layer；
Wherein, the hard layer does not pass through colloid layer and is fixed in the thin-film encapsulation layer.
In one embodiment, the display screen further includes filter layer；
The filter layer is arranged between the thin-film encapsulation layer and the hard layer, and the filter layer includes:
Multiple filter units；
Multiple black matrix"s, each black matrix" are arranged between adjacent two filter unit.
In one embodiment, the display screen further includes the first flatness layer, and first flatness layer is arranged in the optical filtering
Between layer and the hard layer.
In one embodiment, the composition material of first flatness layer includes acryl, epoxy and silicone resin.
In one embodiment, the display screen further includes touch control layer, and touch control layer setting is in the filter layer and described
Between hard layer or the touch control layer is arranged between the thin-film encapsulation layer and the filter layer.
In one embodiment, the display screen further includes the second flatness layer, when the touch control layer is arranged in the filter layer
When between the hard layer, second flatness layer is arranged between the touch control layer and the hard layer；When the touch-control
When layer is arranged between the thin-film encapsulation layer and the filter layer, second flatness layer setting is in the touch control layer and described
Between filter layer.
In one embodiment, the display screen includes luminous zone and non-light-emitting area, the filter unit and the luminous zone
It is oppositely arranged, the black matrix" is oppositely arranged with the non-light-emitting area.
In one embodiment, the display screen further includes third flatness layer, and the third flatness layer is arranged in the array
Between substrate and the light emitting device layer.
In one embodiment, the composition material of the hard layer includes: acryl, polymethyl methacrylate, dioxy
SiClx, urethane, epoxy and silane.
The embodiment of the invention also provides a kind of display devices comprising display screen as described above.
Compared to existing display screen and display device, display screen of the invention and display device pass through hard layer is direct
It is arranged on light emitting device layer, reduces the use of substrate, colloid layer, improve the hardness of display screen.
For above content of the invention can be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate institute's accompanying drawings, makees
Detailed description are as follows:
Detailed description of the invention
Fig. 1 is the structural schematic diagram of existing display screen.
Fig. 2 is the first structure diagram of display screen provided in an embodiment of the present invention.
Fig. 3 is the second structural schematic diagram of display screen provided in an embodiment of the present invention.
Fig. 4 is the third structural schematic diagram of display screen provided in an embodiment of the present invention.
Specific embodiment
The explanation of following embodiment is to can be used to the particular implementation of implementation to illustrate the present invention with reference to additional schema
Example.The direction term that the present invention is previously mentioned, such as "upper", "lower", "front", "rear", "left", "right", "inner", "outside", " side "
Deng being only the direction with reference to annexed drawings.Therefore, the direction term used be to illustrate and understand the present invention, rather than to
The limitation present invention.
The similar unit of structure is to be given the same reference numerals in the figure.
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments
Containing at least one embodiment of the present invention.Each position in the description occur the phrase might not each mean it is identical
Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and
Implicitly understand, embodiment described herein can be combined with other embodiments.
The embodiment of the invention provides a kind of display device, which includes display screen.Referring to figure 2.-4, Fig. 2-4
For the structural schematic diagram of display screen provided in an embodiment of the present invention.As shown in Fig. 2, display screen 1 includes array substrate 11, photophore
Part layer 12, thin-film encapsulation layer 13 and hard layer 14.
As shown in figure 3, array substrate 11 includes substrate 111 and tft layer 112.In one embodiment, array base
Plate 11 further includes buffer layer 113, which can be used for protective substrate 111.The buffer layer 113 is arranged in 111 He of substrate
Between tft layer 112.Buffer layer 113 can be silicon oxide siox, silicon nitride SiNxThe multi-layer film structure of composition.
Substrate 111 is for carrying the structures such as buffer layer 113 disposed thereon, tft layer 112.In an embodiment
In, substrate 111 can be by polyimides, polycarbonate, polyether sulfone, polyethylene terephthalate, poly- naphthalenedicarboxylic acid second two
The flexible materials such as alcohol ester, polyarylate composition, to improve the bending performance of display screen 1.
Tft layer 112 is used to control the display of 1 picture of display screen.As shown in figure 3 or 4, tft layer 112
Including the active layer 1121, the first insulating layer 1122, the first metal layer 1123, second insulating layer 1124, being cascading
Two metal layers 1125, insulating layer 1126 and source-drain electrode layer 1127.
Light emitting device layer 12 is arranged in array substrate 11.As shown in figure 3 or 4, light emitting device layer 12 includes stacking gradually
Anode layer 121, organic luminous layer 122, pixel defining layer 123 and the cathode layer 124 of setting, wherein anode layer 121 is arranged in battle array
On column substrate 11.
Pixel defining layer 123 is for defining light emitting pixel.The composition material of cathode layer 124 may include lithium, calcium, lithium, aluminium
And one of metals such as silver or a variety of.Cathode layer 123 is for providing electronics.The composition material of anode layer 121 can be gold
Belong to oxide, such as tin indium oxide.Anode layer 121 is for providing hole.Organic luminous layer 122 can be by electron transfer layer
(ETL), the structure compositions such as luminescent layer (EL) and hole transmission layer (HTL).Under the action of extra electric field, electrons and holes difference
From cathode layer 123 and anode layer 121, injected to organic luminous layer 122 between the two is clipped in.Compound generate of electrons and holes is swashed
Son, exciton migrate under the action of electric field, transfer energy to the luminescent layer in organic luminous layer 122, make the hair in luminescent layer
Luminescent material shines.In one embodiment, light emitting device layer 12 further includes support column 125.Support column 125 is arranged in anode layer 121
On, and be arranged around organic luminous layer 122.
In one embodiment, as shown in figures 2 and 3, to be additionally provided with third between array substrate 11 and light emitting device layer 12 flat
Layer 15.The third flatness layer 15 prevents the two for providing flat surfaces, and isolated array substrate 11 and light emitting device layer 12
Between occur electric field crosstalk.In one embodiment, third flatness layer 15 can use acryl, epoxy and silicone resin
Be made, the bending resistance of display screen 1 had both can be improved in above-mentioned material, be also ensured the hardness of display screen 1 5H (Hard, firmly
Degree) more than.
Thin-film encapsulation layer 13 is arranged on light emitting device layer 12.Thin-film encapsulation layer 13 can be by multilayer organic film and multilayer
Inorganic thin film composition, the successively alternately laminated arrangement of these organic films, inorganic thin film.Specifically, thin-film encapsulation layer 13 can be by
SiNx, silica SiO2Equal materials composition.Thin-film encapsulation layer 13 is for protecting the structures such as light emitting device layer 12, array substrate 31
It is not corroded by steam and oxygen.
Hard layer 14 is arranged in thin-film encapsulation layer 13.It should be noted that in the present embodiment, the hard layer 14 is obstructed
Colloid layer is crossed to be fixed in thin-film encapsulation layer 13.As shown in Fig. 2, hard layer 14 is by the way that directly coating is hard in thin-film encapsulation layer 13
Material is formed.In one embodiment, depositing operation can be used, hard material is transferred in thin-film encapsulation layer 13, and is made
Hard material and thin-film encapsulation layer 13 form biggish binding force.Specifically, the deposition work of the forms such as vapor deposition, sputtering can be chosen
Hard material is fixed in thin-film encapsulation layer 13 by skill, forms hard layer 14.
In one embodiment, transfer printing process can also be used, the hard material that will be patterned into is transferred to thin-film encapsulation layer 13
On, hard layer 14 is formed, and hard layer 14 and thin-film encapsulation layer 13 is made to form biggish binding force.In this way, hard layer 14 and thin
Stickup fixation is carried out without OCA (Optically Clear Adhesive) optical cement isocolloid between film encapsulated layer 13,
And the hard layer 14 is carried without flexible base board.The hardness of display screen 1 can be made to reach 5H or more in this way.
In one embodiment, hard layer 14 can be by acryl, polymethyl methacrylate, silica, urethane, ring
The materials such as oxygroup resin and silane composition, above-mentioned material both can be improved the bending resistance of display screen 1, display are also ensured
The hardness of screen 1 is in 5H or more.
In one embodiment, display screen 1 further includes filter layer 16.As shown in figure 3 or 4, the setting of filter layer 16 is sealed in film
It fills between layer 13 and hard layer 14, filter layer 16 includes multiple filter units 161 and multiple black matrix"s 162, wherein each
Black matrix" 162 is arranged between two neighboring filter unit 161.Above-mentioned filter layer 16 has biggish light emission rate.
Can be first with sputter coating method, the film of deposited metal chromium in thin-film encapsulation layer 13.Then on chromium thin film
Coating photoresist, through exposure and development, etching and removing etc. processes, obtain above-mentioned black matrix" 162.Then, by red, blue, green
Sequence, successively in thin-film encapsulation layer 13 formed by certain pattern arrangement red pigment film layer, blue pigment film layer, green
Colorant film obtains above-mentioned filter unit 161.
In one embodiment, display screen 1 includes luminous zone and non-light-emitting area.Wherein, above-mentioned filter unit 161 and luminous zone
It is oppositely arranged, black matrix" 162 is oppositely arranged with non-light-emitting area.Specifically, red pigment film layer, the blue of filter unit 161
Emitting red light area, blue-light-emitting area, green emitting area in colorant film, viridine green film layer and luminous zone correspond.
In one embodiment, since 16 hardness of filter layer is lower, formed hard layer before, can with as shown in figure 4,
One first flatness layer 17 is set on filter layer 16, forms hard layer 14 on the first flatness layer 17.
First flatness layer 17 can be made of organic material, can also be made of inorganic material.Preferably, first is flat
Smooth layer 17 is made of organic material, to prevent filter layer 16 from being corroded by oxygen.In one embodiment, the first flatness layer 17 can be with
It is made of acryl, epoxy and silicone resin, the bending resistance of display screen 1 had both can be improved in above-mentioned material, can also
To ensure the hardness of display screen 1 in 5H or more.
In one embodiment, display screen 1 further includes touch control layer 18.Touch control layer 18 can carry out touch control to display screen 1.
As shown in figure 3, touch control layer 18 can be set between filter layer 16 and hard layer 14.As shown in figure 4, touch control layer 18
It can also be arranged between thin-film encapsulation layer 13 and filter layer 16.
In one embodiment, display screen 1 further includes the second flatness layer 19.Second flatness layer 19 is for providing flat table
Face.When touch control layer 18 is arranged between filter layer 16 and hard layer 14, the second flatness layer 19 is arranged in touch control layer 18 and hard
Between layer 14.At this point, the second flatness layer 19 can also prevent touch control layer 18 from being corroded by oxygen.When the setting of touch control layer 18 is sealed in film
When filling between layer 13 and filter layer 16, the second flatness layer 19 is arranged between touch control layer 18 and filter layer 16.
Second flatness layer 19 can be made of organic material, can also be made of inorganic material.Preferably, second is flat
Smooth layer 19 is made of organic material, to prevent touch control layer 18 from being corroded by oxygen.In one embodiment, the second flatness layer 19 can be with
It is made of acryl, epoxy and silicone resin, the bending resistance of display screen 1 had both can be improved in above-mentioned material, can also
To ensure the hardness of display screen 1 in 5H or more.
Display screen and display device of the invention reduces base by the way that hard layer to be set up directly in thin-film encapsulation layer
The use of plate, colloid layer improves the hardness of display screen.
In conclusion although the present invention has been disclosed above in the preferred embodiment, but above preferred embodiment is not to limit
The system present invention, those skilled in the art can make various changes and profit without departing from the spirit and scope of the present invention
Decorations, therefore protection scope of the present invention subjects to the scope of the claims.
Claims (10)
1. a kind of display screen, which is characterized in that including；
Array substrate；
Light emitting device layer is arranged in the array substrate；
Thin-film encapsulation layer is arranged on the light emitting device layer；
Hard layer is arranged in the thin-film encapsulation layer；
Wherein, the hard layer does not pass through colloid layer and is fixed in the thin-film encapsulation layer.
2. display screen according to claim 1, which is characterized in that the display screen further includes filter layer；
The filter layer is arranged between the thin-film encapsulation layer and the hard layer, and the filter layer includes:
Multiple filter units；
Multiple black matrix"s, each black matrix" are arranged between adjacent two filter unit.
3. display screen according to claim 2, which is characterized in that the display screen further includes the first flatness layer, and described
One flatness layer is arranged between the filter layer and the hard layer.
4. display screen according to claim 3, which is characterized in that the composition material of first flatness layer includes methacrylaldehyde
Base, epoxy and silicone resin.
5. display screen according to claim 2, which is characterized in that the display screen further includes touch control layer, the touch control layer
It is arranged between the filter layer and the hard layer or the touch control layer is arranged in the thin-film encapsulation layer and the filter layer
Between.
6. display screen according to claim 5, which is characterized in that the display screen further includes the second flatness layer, when described
When touch control layer is arranged between the filter layer and the hard layer, second flatness layer setting is in the touch control layer and described
Between hard layer；When the touch control layer is arranged between the thin-film encapsulation layer and the filter layer, second flatness layer
It is arranged between the touch control layer and the filter layer.
7. display screen according to claim 2, which is characterized in that the display screen includes luminous zone and non-light-emitting area, institute
It states filter unit to be oppositely arranged with the luminous zone, the black matrix" is oppositely arranged with the non-light-emitting area.
8. display screen according to claim 1, which is characterized in that the display screen further includes third flatness layer, and described
Three flatness layers are arranged between the array substrate and the light emitting device layer.
9. display screen according to claim 1, which is characterized in that the composition material of the hard layer include: acryl,
Polymethyl methacrylate, silica, urethane, epoxy and silane.
10. a kind of display device, which is characterized in that including display screen as described in any one of claims 1-9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811541542.4A CN109671756A (en) | 2018-12-17 | 2018-12-17 | Display screen and display device |
| PCT/CN2019/077720 WO2020124805A1 (en) | 2018-12-17 | 2019-03-11 | Display screen and display apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811541542.4A CN109671756A (en) | 2018-12-17 | 2018-12-17 | Display screen and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109671756A true CN109671756A (en) | 2019-04-23 |
Family
ID=66144426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811541542.4A Pending CN109671756A (en) | 2018-12-17 | 2018-12-17 | Display screen and display device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109671756A (en) |
| WO (1) | WO2020124805A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110633021A (en) * | 2019-08-13 | 2019-12-31 | 武汉华星光电半导体显示技术有限公司 | Touch screen and manufacturing method thereof |
| CN111403464A (en) * | 2020-03-30 | 2020-07-10 | 昆山国显光电有限公司 | Display panel, preparation method of display panel and display device |
| CN112002250A (en) * | 2020-08-06 | 2020-11-27 | 武汉华星光电半导体显示技术有限公司 | Display device |
| CN112164710A (en) * | 2020-09-25 | 2021-01-01 | 武汉华星光电半导体显示技术有限公司 | OLED array substrate and display panel |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204087150U (en) * | 2013-08-13 | 2015-01-07 | 速博思股份有限公司 | Embedded organic light-emitting diode touch display panel structure with metal induction layer |
| WO2016044078A1 (en) * | 2014-09-15 | 2016-03-24 | 3M Innovative Properties Company | Multilayer oled cover sheet |
| CN106887445A (en) * | 2015-12-15 | 2017-06-23 | 上海和辉光电有限公司 | A kind of OLED three-dimensional display screens |
| CN107579088A (en) * | 2016-07-11 | 2018-01-12 | 京东方科技集团股份有限公司 | A kind of flexible OLED display panel and preparation method thereof |
| CN107765921A (en) * | 2017-10-31 | 2018-03-06 | 云谷（固安）科技有限公司 | Flexible base board and flexible base board preparation method |
| CN108539049A (en) * | 2018-02-28 | 2018-09-14 | 信利半导体有限公司 | A kind of production method and OLED products of OLED products |
| CN108663851A (en) * | 2017-03-31 | 2018-10-16 | 上海和辉光电有限公司 | A kind of display panel and preparation method thereof, display device |
| CN108735780A (en) * | 2017-04-19 | 2018-11-02 | 速博思股份有限公司 | Organic Light Emitting Diode touch control display device |
| US10121832B1 (en) * | 2017-07-17 | 2018-11-06 | Hannstouch Solution Incorporated | Touch display device |
-
2018
- 2018-12-17 CN CN201811541542.4A patent/CN109671756A/en active Pending
-
2019
- 2019-03-11 WO PCT/CN2019/077720 patent/WO2020124805A1/en active Application Filing
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204087150U (en) * | 2013-08-13 | 2015-01-07 | 速博思股份有限公司 | Embedded organic light-emitting diode touch display panel structure with metal induction layer |
| WO2016044078A1 (en) * | 2014-09-15 | 2016-03-24 | 3M Innovative Properties Company | Multilayer oled cover sheet |
| CN106887445A (en) * | 2015-12-15 | 2017-06-23 | 上海和辉光电有限公司 | A kind of OLED three-dimensional display screens |
| CN107579088A (en) * | 2016-07-11 | 2018-01-12 | 京东方科技集团股份有限公司 | A kind of flexible OLED display panel and preparation method thereof |
| CN108663851A (en) * | 2017-03-31 | 2018-10-16 | 上海和辉光电有限公司 | A kind of display panel and preparation method thereof, display device |
| CN108735780A (en) * | 2017-04-19 | 2018-11-02 | 速博思股份有限公司 | Organic Light Emitting Diode touch control display device |
| US10121832B1 (en) * | 2017-07-17 | 2018-11-06 | Hannstouch Solution Incorporated | Touch display device |
| CN107765921A (en) * | 2017-10-31 | 2018-03-06 | 云谷（固安）科技有限公司 | Flexible base board and flexible base board preparation method |
| CN108539049A (en) * | 2018-02-28 | 2018-09-14 | 信利半导体有限公司 | A kind of production method and OLED products of OLED products |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110633021A (en) * | 2019-08-13 | 2019-12-31 | 武汉华星光电半导体显示技术有限公司 | Touch screen and manufacturing method thereof |
| CN110633021B (en) * | 2019-08-13 | 2020-12-25 | 武汉华星光电半导体显示技术有限公司 | Touch screen and manufacturing method thereof |
| CN111403464A (en) * | 2020-03-30 | 2020-07-10 | 昆山国显光电有限公司 | Display panel, preparation method of display panel and display device |
| CN112002250A (en) * | 2020-08-06 | 2020-11-27 | 武汉华星光电半导体显示技术有限公司 | Display device |
| CN112164710A (en) * | 2020-09-25 | 2021-01-01 | 武汉华星光电半导体显示技术有限公司 | OLED array substrate and display panel |
| CN112164710B (en) * | 2020-09-25 | 2022-04-26 | 武汉华星光电半导体显示技术有限公司 | OLED array substrate and display panel |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020124805A1 (en) | 2020-06-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102290118B1 (en) | OLED display and its manufacturing method | |
| CN109671756A (en) | Display screen and display device | |
| US6872114B2 (en) | Method of sealing organo electro-luminescent display | |
| TWI362128B (en) | Light emitting device and method of manufacturing the same | |
| CN100505372C (en) | Electro-optical apparatus, manufacturing method thereof, and electronic instrument | |
| CN1498048B (en) | Organic electroluminescence device | |
| US7144752B2 (en) | Method of manufacturing organic electroluminescent display device and organic electroluminescent display device, and display device equipped with organic electroluminescent display device | |
| US9818973B2 (en) | Display device | |
| JP2008210788A (en) | Organic el device | |
| US7535164B2 (en) | Self-emission panel and method of manufacturing same | |
| JP2006318776A (en) | Organic electroluminescent display device | |
| CN101409331A (en) | Electroluminescent display device and thermal transfer donor film for the electroluminescent display device | |
| US10658614B2 (en) | Method of encapsulating a flexible OLED panel and encapsulation structure | |
| CN108022947A (en) | Organic light-emitting display device and its manufacture method | |
| JP2009110780A (en) | Organic electroluminescent display panel, and manufacturing method thereof | |
| CN111430445B (en) | Display substrate, preparation method thereof and display device | |
| WO2023000387A1 (en) | Display panel and display apparatus | |
| TW582186B (en) | Method of fabricating organic light emitting display with passivation structure | |
| CN113437241B (en) | Display substrate, display device and preparation method of display substrate | |
| JP2024501391A (en) | Display panels and display panel manufacturing methods, electronic devices | |
| WO2016047936A1 (en) | Flexible substrate and method of manufacturing same | |
| WO2015009059A1 (en) | Method for manufacturing ultrathin organic light-emitting device | |
| US20030117067A1 (en) | OLED having improved light extraction efficiency | |
| TW200414812A (en) | Display device with passivation structure | |
| JP3775325B2 (en) | Organic EL display |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190423 |