CN109616493A - Flexible display panels and display device - Google Patents
Flexible display panels and display device Download PDFInfo
- Publication number
- CN109616493A CN109616493A CN201811286189.XA CN201811286189A CN109616493A CN 109616493 A CN109616493 A CN 109616493A CN 201811286189 A CN201811286189 A CN 201811286189A CN 109616493 A CN109616493 A CN 109616493A
- Authority
- CN
- China
- Prior art keywords
- layer
- metal
- flexible display
- display panels
- organic
- 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
Landscapes
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a kind of flexible display panels and display devices, have several metal routings with bent area and the corresponding metal layer being distributed in the bent area, the metal layer；At least a side of each metal routing has protrusion or groove.Flexible display panels and display device of the invention, by the way that groove or protrusion is arranged in at least side of metal routing, in bending, effectively improve the stress concentration phenomenon of metal routing in bent area, phenomena such as metal routing occurs when efficiently solving bending crackle, removing caused by performance deterioration, failure the problems such as.
Description
Technical field
The present invention relates to fields such as display devices, specially a kind of flexible display panels and display device.
Background technique
OLED (Organic Light-Emitting Diode) display screen is with its self-luminous, wide viewing angle, high contrast, sound
The features such as answering speed fast becomes current display main trend.Currently, the pursuit with people to ultimate attainment display experience, Quan Mianping,
Narrow frame etc. becomes the exploitation hot spot in current display field.But since OLED display screen is realizing screen, narrow frame comprehensively
When, it usually needs the bent area (Pad bending) of flexible screen is bent, and is distributed in the metal routing meeting of the bent area
Because of the problem of bending anti-raw ess-strain, when metal routing is excessive by stress suffered by repeatedly bending or metal routing,
The bad phenomenons such as fracture, crackle are likely to occur, so that the transmission of signal is influenced, the performance effect of display screen, or even can lead
Cause display screen display failure.
Summary of the invention
In order to solve the above-mentioned technical problem: the present invention provides a kind of flexible display panels and display devices, by curved
The side of metal routing in folding area forms protrusion or groove, to discharge the effect of stress when bending, prevents metal routing from going out
Phenomena such as existing crackle, removing, the problems such as in turn resulting in performance deterioration, fail.
The scheme for solving above-mentioned technical problem is: providing a kind of flexible display panels, has bent area and corresponding point
The metal layer being distributed in the bent area, the metal layer have several metal routings；At least the one of each metal routing
Side has protrusion or groove.
In one embodiment of this invention, the two sides of the metal routing all have protrusion, and the two of the metal routing
The protrusion of side is intertwined.
In one embodiment of this invention, the two sides of the metal routing all have groove, and the two of the metal routing
The groove of side is intertwined.
In one embodiment of this invention, it is arranged parallel to each other between the metal routing, two adjacent metals
There are two opposite the first adjacent sides, wherein the protrusion on first adjacent side and another first neighbour between cabling
Protrusion on side is intertwined.
In one embodiment of this invention, it is arranged parallel to each other between the metal routing, two adjacent metals
There are two opposite the second adjacent sides, wherein the groove on first adjacent side and another first neighbour between cabling
Groove on side corresponds.
In one embodiment of this invention, the shape of the protrusion is at least one of rectangle, semicircle；The groove
Shape be at least one of rectangle, semicircle, triangle.
In one embodiment of this invention, the flexible display panels further include the first organic planarization layer, the metal
Layer is deposited in first organic planarization layer；Organic function layer is overlying on the metal layer and the first organic planarization layer；Second
Organic planarization layer is overlying on the organic function layer.
In one embodiment of this invention, first organic planarization layer, the second organic planarization layer and organic function
Ergosphere material therefor is one of vinyl alcohol, polyurethane acrylate copolymer, polyimide resin.
In one embodiment of this invention, it is organic to be less than described first for the Young's modulus of the organic function layer material therefor
The Young's modulus of material used in flatness layer or second organic planarization layer.
The present invention also provides a kind of display devices, including the flexible display panels.
The invention has the advantages that flexible display panels and display device of the invention, by least the one of metal routing
Groove or protrusion is arranged in side, in bending, effectively improves the stress concentration phenomenon of metal routing in bent area, effectively solves
Phenomena such as metal routing occurs when bending crackle, removing and caused by performance deterioration, failure the problems such as.Wherein, groove
Or protrusion effectively plays the role of discharging stress, and organic function layer can further provide for stress relief channel, thus
Achieve the purpose that reduce folding s tress.
Detailed description of the invention
The present invention is further explained with reference to the accompanying drawings and examples.
Fig. 1 is the structure chart of the middle metal routing of the flexible display panels of the embodiment of the present invention 1.
Fig. 2 is the layer structure figure of the flexible display panels of the embodiment of the present invention 1, major embodiment organic planarization layer, metal
The layered relationship of layer and organic function layer.
Fig. 3 is the structure chart of the middle metal routing of the flexible display panels of the embodiment of the present invention 2.
Fig. 4 is the layer structure figure of the flexible display panels of the embodiment of the present invention 2, major embodiment organic planarization layer, metal
The layered relationship of layer and organic function layer.
Fig. 5 is the zoning plan of the display panel in the embodiment of the present invention.
Fig. 6 is the display device structure figure in the embodiment of the present invention.
Appended drawing reference:
1 display device；11 flexible display panels；
12 IC；13 printed circuit boards；
101 bent areas；102 pixel regions；
120 first organic planarization layers；131 metal routings；
140 organic function layers；150 second organic planarization layers；；
1311 first adjacent sides；1312 protrusions；
1313 second adjacent sides；1314 grooves.
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.Direction term that the present invention is previously mentioned, such as "upper", "lower", "front", "rear", "left", "right", "top", "bottom" etc. are only
With reference to the direction of annexed drawings.Therefore, the direction term used is to illustrate and understand the present invention, rather than to limit this hair
It is bright.
Embodiment 1
As shown in Figure 1, in the present embodiment, flexible display panels 11 of the invention have bent area 101 and corresponding distribution
Metal layer in the bent area 101, the metal layer have several metal routings 131, and under normal circumstances, the metal is walked
Line 131 is linear cabling, is parallel to each other between the metal routing 131.
In order to reduce stress concentration phenomenon of the metal routing 131 in the bent area 101 in bending, prevent curved
The metal routing 131 is cracked when folding, removes the problems such as causing performance deterioration, failure, each metal routing
131 at least a side has protrusion 1312.In the present embodiment, the two sides of the metal routing 131 are equipped with protrusion 1312,
The protrusion 1312 of the two sides of each metal routing 131 is intertwined.On the metal routing 131, every side
Equidistant arrangement between described raised the 1312 of side.Raised 1312 shape is at least one of rectangle, semicircle；It is described
The shape of groove 1314 is at least one of rectangle, semicircle, triangle.
In order to optimize the space layout of the metal routing 131 in the metal layer, in the present embodiment, described in adjacent two
There are two opposite the first adjacent sides 1311, wherein the protrusion on first adjacent side 1311 between metal routing 131
1312 are intertwined with the protrusion 1312 on another first adjacent side 1311.
As shown in Fig. 2, in order to more easily carry out patterning to metal layer in the production process and further improve
Stress concentration phenomenon of the metal routing 131 in bending, flexible display panels 11 of the invention further include the first organic planarization layer
120, organic function layer 140, the second organic planarization layer 150, wherein the deposition of metal is in first organic planarization layer
On 120；The organic function layer 140 is overlying on the metal layer and the first organic planarization layer 120；Second organic planarization layer
150 are overlying on the organic function layer 140.First organic planarization layer 120, the second organic planarization layer 150 and described have
140 material therefor of machine functional layer is high-molecular organic material, and it is sub- to can choose vinyl alcohol, polyurethane acrylate copolymer, polyamides
One of polyimide resin.And the Young's modulus of 140 material therefor of organic function layer is less than first organic planarization layer 120
Or the Young's modulus of material used in second organic planarization layer 150, i.e., the elasticity of the described organic function layer 140 is than described the
The elasticity of one organic planarization layer 120 or second organic planarization layer 150 is preferably.In the present embodiment, first organic planarization
Layer 120 is different from the material that second organic planarization layer 150 is selected, the neutral line in optimization bending process adjustable in this way
Position, i.e., in the process of bending, the one side of the flexible display panels 11 will necessarily be stretched, and another side will necessarily be compressed,
And the flexible display panels 11 are generally layer structure, the functional layer close to the one side being stretched can be stretched, and approach
The functional layer of compression one side can be compressed, then certainly existing one between the functional layer and compressed functional layer that are stretched will not
The neutral line for being stretched and compressing.It therefore, can be by assigning first organic planarization layer 120 and second organic planarization
150 different Young's modulus of layer, change the position of the neutral line in flexible display panels 11.
During the preparation process, the metal layer first is deposited in first organic planarization layer 120, then using prefabricated
Mask plate carries out patterned etch process to the metal layer, forms the linear cabling with protrusion 1312 after modification,
In etching process, can the surface appropriate in first organic planarization layer 120 etch more plain groove 1314.Shape
After the patterned metal layer, the organic function layer 140 is overlying on the metal layer and the first organic planarization layer 120
On.Second organic planarization layer 150 is finally formed on the organic function layer 140.The effect of the organic function layer 140
It is to provide for stress relief channel.150 planar metal layer surface of first organic planarization layer 120 and the second organic planarization layer
Effect.
Embodiment 2
As shown in figure 3, in the present embodiment, flexible display panels 11 of the invention have bent area 101 and corresponding distribution
Metal layer in the bent area 101, the metal layer have several metal routings 131, and under normal circumstances, the metal is walked
Line 131 is linear cabling, is parallel to each other between the metal routing 131.
In order to reduce stress concentration phenomenon of the metal routing 131 in the bent area 101 in bending, prevent curved
The metal routing 131 is cracked when folding, removes the problems such as causing performance deterioration, failure, each metal routing
131 at least a side has groove 1314.In the present embodiment, the two sides of the metal routing 131 are all provided with fluted 1314,
The groove 1314 of the two sides of each metal routing 131 is intertwined.On the metal routing 131, every side
Equidistant arrangement between the groove 1314 on side.
In order to optimize the space layout of the metal routing 131 in the metal layer, in the present embodiment, described in adjacent two
There are two opposite the second adjacent sides 1313, wherein the groove on second adjacent side 1313 between metal routing 131
1314 correspond with the groove 1314 on another second adjacent side 1313.
As shown in figure 4, in order to more easily carry out patterning to metal layer in the production process and further improve
Stress concentration phenomenon of the metal routing 131 in bending, flexible display panels 11 of the invention further include the first organic planarization layer
120, organic function layer 140, the second organic planarization layer 150, wherein the deposition of metal is on the bottom；It is described organic
Functional layer 140 is overlying on the metal layer and the first organic planarization layer 120；Second organic planarization layer 150 has described in being overlying on
In machine functional layer 140.140 institute of first organic planarization layer 120, the second organic planarization layer 150 and the organic function layer
It is high-molecular organic material with material, can choose vinyl alcohol, polyurethane acrylate copolymer, one in polyimide resin
Kind.And the Young's modulus of 140 material therefor of organic function layer has less than first organic planarization layer 120 or described second
The Young's modulus of material used in machine flatness layer 150, i.e., the elasticity of the described organic function layer 140 is than first organic planarization layer
The elasticity of 120 or described second organic planarization layers 150 is preferably.In the present embodiment, first organic planarization layer 120 and described the
The material that two organic planarization layers 150 are selected is different, the neutral line position in optimization bending process adjustable in this way is being bent
In the process, the one side of the flexible display panels 11 will necessarily be stretched, and another side will necessarily be compressed, and the Flexible Displays
Panel 11 is generally layer structure, and the functional layer close to the one side being stretched can be stretched, and the function of close compression one side
Layer can be compressed, then certainly existing one between the functional layer and compressed functional layer that are stretched will not be stretched and compress
Neutral line.It therefore, can be by assigning first organic planarization layer 120 and the different poplar of second organic planarization layer 150
Family name's modulus changes the position of the neutral line in flexible display panels 11.
During the preparation process, the metal layer first is deposited in first organic planarization layer 120, then using prefabricated
Mask plate carries out patterned etch process to the metal layer, forms the linear cabling with fluted 1314 after modification,
In etching process, can the surface appropriate in first organic planarization layer 120 etch more plain groove 1314.Shape
After the patterned metal layer, the organic function layer 140 is overlying on the metal layer and the first organic planarization layer 120
On.Second organic planarization layer 150 is finally formed on the organic function layer 140.The effect of the organic function layer 140
It is to provide for stress relief channel.First organic planarization layer 120 and the second organic planarization layer 150 have planar metal layer
The effect on surface.
Certainly, the structure that the metal routing 131 can also be combined using protrusion 1312 or groove 1314, such as in metal
The side setting protrusion 1312 of cabling 131, is arranged groove 1314 in the other side of metal routing 131；An or institute wherein
The two sides setting groove 1314 for stating metal routing 131, in the two sides of another metal routing 131 setting protrusion 1312 etc.
Deng.Examples 1 and 2 are intended merely to the preferred embodiment that processing procedure facilitates use.
As shown in figure 5, the present invention also provides a kind of display device 1, including described soft in embodiment 1 or embodiment 2
Property display panel 11, the display panel 11 have bent area 101 and pixel region 102.Metal routing phase in the bent area 101
Than not using grid (Gate) lead in the region Fanout of rigid OLED, Pad bending design, but walked using source-drain electrode
Line is connect with external circuit.
General flexible display panels include that flexible substrates, barrier layer, buffer layer, first grid insulating layer, second grid are exhausted
The functional layers such as edge layer, dielectric layer, pixel defining layer.Display panel 11 in the present embodiment includes the base of existing flexible display panels
This structure, meanwhile, in the bent area 101, first organic planarization layer 120 is overlying on the dielectric layer；The metal layer
It is deposited in first organic planarization layer 120, the organic function layer 140 is overlying on the metal layer and the first organic planarization layer
On 120；Second organic planarization layer 150 is overlying on the organic function layer 140.
As shown in fig. 6, display device 1 of the invention, wherein source-drain electrode cabling and IC 12 in the bent area 101
Connection, the IC 12 are connect with printed circuit board 13.When source-drain electrode cabling connect and bends with IC 12, described
One organic planarization layer 120 is different from the material that second organic planarization layer 150 is selected, optimization bending process adjustable in this way
In neutral line position, i.e., in the process of bending, the one side of the bent area 101 will necessarily be stretched, and another side will necessarily be by
Compression, and the flexible display panels 11 are generally layer structure, the functional layer close to the one side being stretched can be stretched, and
Functional layer close to compression one side can be compressed, then certainly existing one between the functional layer and compressed functional layer that are stretched
The neutral line that will not be stretched and compress.It therefore, can be by assigning first organic planarization layer 120 and described second organic
The different Young's modulus of flatness layer 150 changes the position of the neutral line in flexible display panels 11.
Certainly, in pixel region 102, the display panel 11 in the present embodiment further includes other structures layer, as semiconductor layer,
First grid layer, second grid layer, source electrode and drain electrode, fluting and luminescent layer.Since of the invention focuses on the flexibility
The structure and metal routing 131 and the first organic planarization layer 120, organic function layer of metal routing 131 in display panel 11
140 and the second layer structure between organic planarization layer 150, therefore for other components of display device 1 (such as pedestal, frame
Frame or other diaphragms etc. for improving optical quality) just do not repeat one by one here.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within principle.
Claims (10)
1. a kind of flexible display panels, which is characterized in that with bent area and the corresponding metal being distributed in the bent area
Layer, the metal layer have several metal routings；At least a side of each metal routing has protrusion or groove.
2. flexible display panels according to claim 1, which is characterized in that the two sides of the metal routing all have convex
It rises, the protrusion of the two sides of the metal routing is intertwined.
3. flexible display panels according to claim 1, which is characterized in that the two sides of the metal routing all have recessed
The groove of slot, the two sides of the metal routing is intertwined.
4. flexible display panels according to claim 1, which is characterized in that the row of being parallel to each other between the metal routing
It arranges, there are two opposite the first adjacent sides, wherein on first adjacent side between two adjacent metal routings
The raised protrusion on another first adjacent side is intertwined.
5. flexible display panels according to claim 1, which is characterized in that the row of being parallel to each other between the metal routing
It arranges, there are two opposite the second adjacent sides, wherein on first adjacent side between two adjacent metal routings
Groove is corresponded with the groove on another first adjacent side.
6. flexible display panels according to claim 1, which is characterized in that the shape of the protrusion is rectangle, semicircle
At least one of；The shape of the groove is at least one of rectangle, semicircle, triangle.
7. flexible display panels according to claim 1, which is characterized in that further include
First organic planarization layer, the deposition of metal is in first organic planarization layer；
Organic function layer is overlying on the metal layer and the first organic planarization layer；
Second organic planarization layer is overlying on the organic function layer.
8. flexible display panels according to claim 7, which is characterized in that first organic planarization layer, second organic
Flatness layer and the organic function layer material therefor are vinyl alcohol, in polyurethane acrylate copolymer, polyimide resin
It is a kind of.
9. flexible display panels according to claim 7, which is characterized in that the Young of the organic function layer material therefor
Modulus is less than the Young's modulus of material used in first organic planarization layer or second organic planarization layer.
10. a kind of display device, including the flexible display panels as described in any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811286189.XA CN109616493A (en) | 2018-10-31 | 2018-10-31 | Flexible display panels and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811286189.XA CN109616493A (en) | 2018-10-31 | 2018-10-31 | Flexible display panels and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109616493A true CN109616493A (en) | 2019-04-12 |
Family
ID=66002885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811286189.XA Pending CN109616493A (en) | 2018-10-31 | 2018-10-31 | Flexible display panels and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109616493A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110085552A (en) * | 2019-04-15 | 2019-08-02 | 厦门天马微电子有限公司 | A kind of production method of display panel, display device and display panel |
| CN110264870A (en) * | 2019-06-13 | 2019-09-20 | 武汉华星光电半导体显示技术有限公司 | Display panel |
| WO2020113838A1 (en) * | 2018-12-06 | 2020-06-11 | 武汉华星光电半导体显示技术有限公司 | Display panel |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106716642A (en) * | 2014-09-30 | 2017-05-24 | 乐金显示有限公司 | Display device having divided wiring pattern |
| CN108154801A (en) * | 2017-12-12 | 2018-06-12 | 武汉华星光电半导体显示技术有限公司 | A kind of array substrate and display device |
| CN108172122A (en) * | 2017-12-12 | 2018-06-15 | 武汉华星光电半导体显示技术有限公司 | A kind of array substrate |
| CN108231800A (en) * | 2018-02-02 | 2018-06-29 | 京东方科技集团股份有限公司 | A kind of flexible display panels and preparation method thereof, display device |
| CN108511490A (en) * | 2018-03-26 | 2018-09-07 | 武汉华星光电半导体显示技术有限公司 | Display panel and preparation method thereof |
| CN108598135A (en) * | 2018-06-06 | 2018-09-28 | 武汉华星光电半导体显示技术有限公司 | OLED display panel and preparation method thereof |
-
2018
- 2018-10-31 CN CN201811286189.XA patent/CN109616493A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106716642A (en) * | 2014-09-30 | 2017-05-24 | 乐金显示有限公司 | Display device having divided wiring pattern |
| CN108154801A (en) * | 2017-12-12 | 2018-06-12 | 武汉华星光电半导体显示技术有限公司 | A kind of array substrate and display device |
| CN108172122A (en) * | 2017-12-12 | 2018-06-15 | 武汉华星光电半导体显示技术有限公司 | A kind of array substrate |
| CN108231800A (en) * | 2018-02-02 | 2018-06-29 | 京东方科技集团股份有限公司 | A kind of flexible display panels and preparation method thereof, display device |
| CN108511490A (en) * | 2018-03-26 | 2018-09-07 | 武汉华星光电半导体显示技术有限公司 | Display panel and preparation method thereof |
| CN108598135A (en) * | 2018-06-06 | 2018-09-28 | 武汉华星光电半导体显示技术有限公司 | OLED display panel and preparation method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020113838A1 (en) * | 2018-12-06 | 2020-06-11 | 武汉华星光电半导体显示技术有限公司 | Display panel |
| CN110085552A (en) * | 2019-04-15 | 2019-08-02 | 厦门天马微电子有限公司 | A kind of production method of display panel, display device and display panel |
| CN110085552B (en) * | 2019-04-15 | 2022-07-12 | 厦门天马微电子有限公司 | Display panel, display device and manufacturing method of display panel |
| CN110264870A (en) * | 2019-06-13 | 2019-09-20 | 武汉华星光电半导体显示技术有限公司 | Display panel |
| US11217521B2 (en) | 2019-06-13 | 2022-01-04 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Display panel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10090486B2 (en) | Frameless display device with concealed drive circuit board and manufacturing method thereof | |
| CN109801925B (en) | Micro LED display panel and preparation method thereof | |
| CN112071883B (en) | Display panel and display device | |
| CN109616493A (en) | Flexible display panels and display device | |
| CN107634086A (en) | A kind of flexible array substrate and preparation method, display device | |
| CN109585514A (en) | Display panel and display device with the display panel | |
| CN209434190U (en) | A kind of array substrate, display panel and display device | |
| US10916718B2 (en) | Flexible array substrate, method for manufacturing same, and display panel | |
| CN109698160B (en) | Array substrate, manufacturing method thereof, display panel and display device | |
| US20160372490A1 (en) | Array substrate and manufacturing method thereof, and display panel | |
| CN108336120B (en) | Array substrate, display panel and display device | |
| KR20150072432A (en) | Flexible display | |
| CN104536636A (en) | Array substrate, touch panel and manufacturing method of array substrate | |
| US20210359070A1 (en) | Display device | |
| CN109950297B (en) | Organic light-emitting display panel and device | |
| CN107561800B (en) | Array substrate, display panel and display device | |
| CN108376685A (en) | Display panel and display device | |
| CN109148532A (en) | Flexible display apparatus and its manufacturing method | |
| CN114883344B (en) | Display panel and display device | |
| CN110289214A (en) | The manufacturing method of display device and thin film transistor (TFT) | |
| CN110993664B (en) | Display panel and display device | |
| CN115425046A (en) | Display panel and electronic equipment | |
| CN207352892U (en) | A kind of display panel and display device | |
| CN105977267A (en) | Array substrate and manufacture method thereof and display device | |
| CN107422543B (en) | Display panel, preparation method thereof and display device |
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 |
Application publication date: 20190412 |
|
| RJ01 | Rejection of invention patent application after publication |