CN112363341A - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
- Publication number
- CN112363341A CN112363341A CN202011267532.3A CN202011267532A CN112363341A CN 112363341 A CN112363341 A CN 112363341A CN 202011267532 A CN202011267532 A CN 202011267532A CN 112363341 A CN112363341 A CN 112363341A
- Authority
- CN
- China
- Prior art keywords
- display panel
- display
- substrate
- protrusion
- liquid crystal
- 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
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1339—Gaskets; Spacers; Sealing of cells
- G02F1/13394—Gaskets; Spacers; Sealing of cells spacers regularly patterned on the cell subtrate, e.g. walls, pillars
Abstract
The application discloses a display panel, which comprises a color film substrate, an array substrate opposite to the color film substrate, a liquid crystal layer positioned between the color film substrate and the array substrate, and frame sealing glue for sealing the liquid crystal layer, wherein the display panel comprises a display area, and an area of the display area, which is close to the frame sealing glue, is defined as an edge area; at least one convex part or concave part is arranged in the edge area. The convex part or the concave part is helpful for liquid crystal diffusion, so that the liquid crystal redundancy under the condition of bearing external pressure is improved.
Description
Technical Field
The application relates to the technical field of display, in particular to a display panel and a display device.
Background
Liquid Crystal Display (LCD) devices have many advantages such as being light and thin, saving energy, and having no radiation, and thus have gradually replaced conventional Cathode Ray Tube (CRT) displays. Liquid displays are widely used in high-definition digital televisions, desktop computers, Personal Digital Assistants (PDAs), notebook computers, mobile phones, digital cameras, and other electronic devices,
the liquid crystal display device includes a backlight and a liquid crystal display panel. The backlight source provides uniformly distributed light sources for the liquid crystal display panel, the liquid crystal display panel comprises a color film substrate and an array substrate opposite to the color film substrate, liquid crystal is sealed between the color film substrate and the array substrate through frame sealing glue, the liquid crystal display panel is divided into a display area and an edge area surrounding the display area, and the liquid crystal display panel and the backlight source are fixed together through an iron frame. The liquid crystal amount injected into the liquid crystal display panel determines the thickness of the liquid crystal display panel, the liquid crystal display panel has a phenomenon of uneven liquid crystal diffusion caused by external pressure or gravity of a glass substrate, and under the condition of the external pressure, vacuum bubbles in an unfilled area of the liquid crystal are expanded into the surface, so that the display characteristics of the liquid crystal display panel, such as light transmittance, contrast, response speed and the like, are influenced, and abnormal display is caused.
Therefore, the prior art has defects and needs to be improved urgently.
Disclosure of Invention
An object of the application is to provide a display panel to solve the uneven problem of liquid crystal diffusion that liquid crystal display panel appears among the prior art, thereby improve display effect.
In order to solve the above problems, the present application provides a display panel, which includes a color film substrate, an array substrate opposite to the color film substrate, a liquid crystal layer located between the color film substrate and the array substrate, and a frame sealing adhesive for sealing the liquid crystal layer, wherein the display panel includes a display area, and an area of the display area close to the frame sealing adhesive is defined as an edge area; at least one convex part or concave part is arranged in the edge area.
In some embodiments, the density of the protrusions or recesses within the edge region is between 0.03% and 0.07%.
In some embodiments, the difference in level between the protrusion or the recess in the edge region and the display region is between 0.3um and 0.5 um.
In some embodiments, the spacing between any two of the protrusions or recesses is between 50um and 150 um.
In some embodiments, the protrusion is a plurality of strip-shaped spacers spaced apart from each other, and each strip-shaped spacer extends outward from the display area to a position adjacent to the frame sealing adhesive.
In some embodiments, the material of the plurality of strip-shaped spacers is a thermoplastic synthetic resin.
In some embodiments, the color filter substrate includes a substrate and a planarization layer on the substrate, and the protrusion or the recess is located on the planarization layer.
In some embodiments, in the edge region, the flat layer and the substrate base plate are inclined at an angle between 0 ° and 45 °.
In some embodiments, the protrusion is disposed on the array substrate.
The application also provides a display device, wherein the display device comprises the display panel.
In summary, the display panel provided by the present application includes a color film substrate, an array substrate opposite to the color film substrate, a liquid crystal layer located between the color film substrate and the array substrate, and a frame sealing adhesive for sealing the liquid crystal layer, wherein the display panel includes a display area, and an area of the display area close to the frame sealing adhesive is defined as an edge area; at least one convex part or concave part is arranged in the edge area. . The convex parts or the concave parts provide a guiding effect for the flowing of the liquid crystal, the liquid crystal diffusion is facilitated, the phenomenon that the display is abnormal due to the fact that vacuum bubbles in the liquid crystal unfilled region are expanded to the inside under the condition of external pressure is prevented, and therefore liquid crystal redundancy under the condition of bearing the external pressure is improved.
Drawings
The technical solution and other advantages of the present application will become apparent from the detailed description of the embodiments of the present application with reference to the accompanying drawings.
Fig. 1 is a schematic plan view illustrating a display panel according to an embodiment of the present application.
Fig. 2A is a schematic cross-sectional view of the display panel shown in fig. 1.
Fig. 2B is a second cross-sectional structure diagram of the display panel shown in fig. 1.
Fig. 3 is a schematic plan view illustrating a display panel according to another embodiment of the present application.
Fig. 4 is a schematic cross-sectional structure diagram of a display panel according to an embodiment of the present disclosure.
Fig. 5 is a schematic cross-sectional structure diagram of a display panel according to an embodiment of the present disclosure.
Fig. 6 is a schematic cross-sectional structure diagram of a display panel according to an embodiment of the present disclosure.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Specifically, please refer to fig. 1 to 3, fig. 1 is a schematic plan view of a display panel 10 according to an embodiment of the present disclosure; FIG. 2A is a schematic cross-sectional view of the display panel 10 shown in FIG. 1; fig. 2B is a schematic cross-sectional view of the display panel 10 shown in fig. 1.
As shown in fig. 1 to 2B, the present application provides a display panel 10, which includes a color filter substrate 100, an array substrate 200 opposite to the color filter substrate 100, a liquid crystal layer 300 located between the color filter substrate 100 and the array substrate 200, and a sealant 400 for sealing the liquid crystal layer 300. The display panel 10 includes a display region 11, and a region of the display region 11 near the frame sealing adhesive 400 is defined as an edge region 12. In the edge region 12, at least one protrusion 121 as shown in fig. 2A or at least one recess 122 as shown in fig. 2B is disposed. It will be understood by those skilled in the art that the protrusions 121 and the recesses 122 may be independent of each other, i.e., only a plurality of protrusions 121 or only a plurality of recesses 122 may be provided in the edge region 12.
In another embodiment, as shown in fig. 3, a plurality of protrusions 121 and a plurality of recesses 122 may be disposed in the edge region 12. The plurality of protrusions 121 and the plurality of recesses 122 may be arranged in any arrangement, for example, as shown in fig. 4, the protrusions 121 and the recesses 122 are alternately distributed.
In the display panel 10 shown in fig. 1 and 3, as shown in fig. 2A and 2B, the color filter substrate 100 includes a substrate 101 and a planarization layer 102 located on the substrate 101, and the protrusion 121 or the recess 122 is located on the planarization layer 102. When the protrusion 121 or the recess 122 is located on the planar layer 102, the protrusion 121 and the recess 122 are part of the planar layer 102 and can be completed by the same photolithography process, but not limited thereto. For example: the protrusion 121 may be a separate structure, and it is understood by those skilled in the art that when the protrusion 121 is a separate structure, the protrusion 121 may be prepared by a separate process, and has only a spatial structural relationship with the planarization layer 102.
As shown in fig. 1 and fig. 3, the protrusion portion 121 is preferably a plurality of strip-shaped spacers spaced apart from each other, each strip-shaped spacer extending outward from the display area 11 to a position adjacent to the frame sealing adhesive 400, specifically, the strip-shaped spacers only have one end facing the inside of the display area 11 and the other end facing the frame sealing adhesive 400, and the arrangement angle is not limited. And the strip-shaped shock insulators are uniformly distributed in the edge region 12. The recessed portion 122 is preferably a plurality of grooves spaced apart from each other, and the grooves are uniformly distributed on the flat layer 102 in the edge region 12.
Referring to fig. 4, fig. 4 is a schematic cross-sectional structure view of a display panel 20 according to another embodiment of the present disclosure. In the embodiment of the present application, the protrusion 121 is disposed on the array substrate 200. It can be understood by those skilled in the art that when the protrusion portion 121 is disposed on the array substrate 200, the protrusion portion 121 is a plurality of strip-shaped spacers having a certain interval therebetween, each strip-shaped spacer extends outward from the display area 11 to a position adjacent to the frame sealing adhesive 400, specifically, only one end of each strip-shaped spacer faces the inside of the display area 11, and the other end faces the frame sealing adhesive 400, and the arrangement angle is not limited. And the strip-shaped shock insulators are uniformly distributed in the edge region 12.
Referring to fig. 5, fig. 5 is a schematic cross-sectional structure view of a display panel 30 according to another embodiment of the present disclosure. In the embodiment of the present application, the protrusion 121 and the recess 122 exist simultaneously, the protrusion 121 is disposed on the array substrate 200, and the recess 122 is disposed on the planarization layer 102. It can be understood by those skilled in the art that the protrusion 121 may also be disposed on the planar layer 102 at the same time, that is, both the protrusion 121 and the recess 122 are disposed on the planar layer 102, at this time, the protrusion 121 and the recess 122 are alternately disposed on the planar layer 102, the protrusion 121 is further disposed on the array substrate 200, the protrusion 121 disposed on the array substrate 200 is a strip-shaped spacer, and the protrusion 121 disposed on the planar layer 102 may be a strip-shaped spacer or a part of a structure completed by the same photolithography process as that on the planar layer 102.
Referring to fig. 6, fig. 6 is a schematic cross-sectional structure diagram of a display panel 40 according to another embodiment of the present disclosure. In the embodiment of the present application, only the protrusion portion 121 is disposed in the edge region 12, and the protrusion portion 121 is disposed on the array substrate 200 and the planarization layer 102 at the same time. It can be understood by those skilled in the art that the protrusion 121 disposed on the array substrate 200 is a strip-shaped spacer, and the protrusion 121 disposed on the planar layer 102 may be a strip-shaped spacer or a part of the structure completed by the same photolithography process as that of the planar layer 102.
In all of the embodiments of the present application, that is, in the display panel 10 shown in fig. 2A and 2B, the display panel 20 shown in fig. 4, the display panel 30 shown in fig. 5, and the display panel 40 shown in fig. 6, in the edge region 12, an included angle α is formed between a surface of the flat layer 102 where the protrusion or the recess is disposed (i.e., an upper surface of the flat layer 102 in fig. 2A and 2B, and fig. 4 to 6) and a plane of the substrate 101, and the included angle α is between 0 ° and 45 °, and preferably 30 °. That is to say, the flat layer 102 and the substrate base plate 101 are inclined at a certain angle, specifically, the surface of the flat layer 102 away from the substrate base plate 101 is an inclined surface compared with the surface of the substrate base plate 101, and the inclined surface may be a side close to the frame sealing adhesive 400 and lower than the frame sealing adhesive 400, or a side close to the frame sealing adhesive 400 and higher than the frame sealing adhesive 400.
In the present application, the material of the strip-shaped spacers is a thermoplastic synthetic resin, and preferably, the thermoplastic synthetic resin is polystyrene.
In the present application, the density of the protruding portions 121 or the recessed portions 122 in the edge region 12 is between 0.03% and 0.07%, that is, the sum of the orthographic projection areas of the protruding portions 121 or the recessed portions 122 in the edge region 12 is between 0.03% and 0.07% of the total area of the edge region 12. Wherein the area of the edge region 12 is the surface area of the inclined surface of the flat layer 102. For example: the density of the convex portions 121 or the concave portions 122 in the edge region 12 is 0.03%, 0.04%, 0.05%, 0.06%, 0.07%, or the like, and specifically, is not limited thereto.
The difference between the height of the protrusion 121 or the height of the recess 122 in the edge region 12 and the height of the display region 11 is between 0.3um and 0.5 um. As will be understood by those skilled in the art, the step difference between the protrusion 121 or the recess 122 and the display area 11 specifically refers to: when the protrusion 121 is located on the array substrate 200, the step difference between the protrusion 121 and the display area 11 refers to a height difference between a surface of the protrusion 121 away from the array substrate 200 and a surface of the array substrate 200 on which the protrusion 121 is located; when the protruding portion 121 is located on the flat layer 102, the level difference between the protruding portion 121 and the display area 11 refers to a height difference between a surface of the protruding portion 121 away from the flat layer 102 and a surface of the flat layer 102 on which the protruding portion 121 is located; when the recess 122 is located on the flat layer 102, the level difference between the recess 122 and the display area 11 refers to the depth of the recess 122 on the flat layer 102. For example: the difference between the protruding portion 121 or the recessed portion 122 and the display area 11 is 0.4 um.
It should be noted that, in the present application, no matter whether the protrusion 121 or the recess 122 is disposed on the planarization layer 102 or the array substrate 200, the distance between any two of the protrusions 121 or the recesses 122 is between 50um and 150 um. For example: any two the space between the protrusion 121 or the recess 122 is 50um, 60um, 70um, 80um, 90um, 100um, 110um, 120um, 130um, 140um, 150 um. Preferably, the distance between any two of the protrusions 121 or the recesses 122 is 100 um.
In the display panel 10 provided in the present application, the film layers of the array substrate 200 and the material substrate 100 except for the planarization layer 102, the liquid crystal layer 300, and the frame sealing adhesive 400 for sealing the liquid crystal layer 300 are conventional structures and materials in the art, and are not described in detail herein.
The present application also provides a display device including the display panel 100. The display device may be a mobile phone, a tablet computer, a notebook computer, a watch, a television and other liquid crystal display terminals, and is not limited thereto, and the description is omitted herein.
In summary, in the display panel of the present application, the plurality of protrusions 121 or the plurality of recesses 122 are disposed in the edge region 12 surrounding the display region 11, so as to provide a guiding effect for the flow of the liquid crystal, facilitate the diffusion of the liquid crystal, and prevent the vacuum bubbles in the unfilled region of the liquid crystal from expanding into the surface to cause abnormal display under the external pressure condition, thereby increasing the redundancy of the liquid crystal under the external pressure.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
The display panel and the display device provided by the embodiment of the present application are described in detail above, and a specific example is applied in the description to explain the principle and the implementation of the present application, and the description of the embodiment is only used to help understanding the technical solution and the core idea of the present application; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure as defined by the appended claims.
Claims (10)
1. A display panel comprises a color film substrate, an array substrate opposite to the color film substrate, a liquid crystal layer positioned between the color film substrate and the array substrate, and frame sealing glue for sealing the liquid crystal layer, and is characterized by comprising a display area, wherein the area of the display area close to the frame sealing glue is defined as an edge area; at least one convex part or concave part is arranged in the edge area.
2. The display panel according to claim 1, wherein the sum of the forward projection areas of the convex or concave portions in the edge region is between 0.03% and 0.07% of the area of the edge region.
3. The display panel according to claim 1, wherein a step difference between the protrusion or the recess in the edge region and the display region is between 0.3um and 0.5 um.
4. The display panel of claim 1, wherein a spacing between any two of the protrusions or recesses is between 50um and 150 um.
5. The display panel of claim 1, wherein the protrusion is a plurality of strip spacers spaced apart from each other, each strip spacer extending outward from the display region to a position adjacent to the sealant.
6. The display panel according to claim 5, wherein a material of the plurality of stripe-shaped spacers is a thermoplastic synthetic resin.
7. The display panel according to claim 1, wherein the color filter substrate includes a substrate and a planarization layer on the substrate, and the protrusion or the recess is located on the planarization layer.
8. The display panel according to claim 7, wherein in the edge region, an included angle is formed between a surface of the flat layer on which the convex portion or the concave portion is disposed and a plane of the substrate base plate, and the included angle is between 0 ° and 45 °.
9. The display panel of claim 1, wherein the protrusion is disposed on the array substrate.
10. A display device characterized in that it comprises a display panel according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011267532.3A CN112363341A (en) | 2020-11-13 | 2020-11-13 | Display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011267532.3A CN112363341A (en) | 2020-11-13 | 2020-11-13 | Display panel and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112363341A true CN112363341A (en) | 2021-02-12 |
Family
ID=74515493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011267532.3A Pending CN112363341A (en) | 2020-11-13 | 2020-11-13 | Display panel and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112363341A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112904627A (en) * | 2021-02-20 | 2021-06-04 | Tcl华星光电技术有限公司 | Liquid crystal display panel, manufacturing method thereof and liquid crystal display device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008015371A (en) * | 2006-07-07 | 2008-01-24 | Toshiba Matsushita Display Technology Co Ltd | Liquid crystal display device |
| CN103033994A (en) * | 2012-12-14 | 2013-04-10 | 京东方科技集团股份有限公司 | Liquid crystal panel and display device |
| CN206479739U (en) * | 2017-03-03 | 2017-09-08 | 京东方科技集团股份有限公司 | A kind of display panel and display device |
-
2020
- 2020-11-13 CN CN202011267532.3A patent/CN112363341A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008015371A (en) * | 2006-07-07 | 2008-01-24 | Toshiba Matsushita Display Technology Co Ltd | Liquid crystal display device |
| CN103033994A (en) * | 2012-12-14 | 2013-04-10 | 京东方科技集团股份有限公司 | Liquid crystal panel and display device |
| CN206479739U (en) * | 2017-03-03 | 2017-09-08 | 京东方科技集团股份有限公司 | A kind of display panel and display device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112904627A (en) * | 2021-02-20 | 2021-06-04 | Tcl华星光电技术有限公司 | Liquid crystal display panel, manufacturing method thereof and liquid crystal display device |
| CN112904627B (en) * | 2021-02-20 | 2023-10-17 | Tcl华星光电技术有限公司 | Liquid crystal display panel, manufacturing method thereof and liquid crystal display device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7375788B2 (en) | Liquid crystal display device with hollow semi-columnar photo spacers | |
| JP4566162B2 (en) | Liquid crystal display device and manufacturing method thereof | |
| US20150029428A1 (en) | Color filter substrate, manufacturing process thereof and liquid crystal display panel | |
| JP5202987B2 (en) | Liquid crystal device, method for manufacturing liquid crystal device, and electronic apparatus | |
| CN109239984B (en) | Liquid crystal display panel and liquid crystal display device | |
| US20060215105A1 (en) | Liquid crystal display device with photo spacers | |
| US11474402B2 (en) | Color film substrate comprising a display region and a non-display region, display device and color film substrate fabricating method | |
| KR101966870B1 (en) | Liquid crystal panel and manufacturing method thereof | |
| WO2018145482A1 (en) | Display panel, manufacturing method therefor, display device, and substrate | |
| WO2016123827A1 (en) | Liquid crystal display panel and liquid crystal display device | |
| CN112363341A (en) | Display panel and display device | |
| US10295729B2 (en) | Liquid crystal display device | |
| WO2022011778A1 (en) | Backlight module and display device | |
| WO2021068379A1 (en) | Liquid crystal display panel and liquid crystal display apparatus | |
| JP2000284298A (en) | Liquid crystal display device | |
| JP3998775B2 (en) | Liquid crystal display device | |
| US9854688B2 (en) | Display apparatus | |
| CN112445017B (en) | Color filter substrate and forming method thereof | |
| WO2023245654A9 (en) | Color film substrate, display panel and display device | |
| WO2020087613A1 (en) | Display panel and display device | |
| CN114967244B (en) | Display panel and display device | |
| US20040174481A1 (en) | Liquid crystal display and manufacturing method thereof | |
| CN220105466U (en) | Display substrate, display panel and display device | |
| CN111983853B (en) | Spacer, liquid crystal display panel and liquid crystal display device | |
| CN114967242B (en) | Display panel 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: 20210212 |
|
| RJ01 | Rejection of invention patent application after publication |