CN211087198U - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
- Publication number
- CN211087198U CN211087198U CN202020311920.6U CN202020311920U CN211087198U CN 211087198 U CN211087198 U CN 211087198U CN 202020311920 U CN202020311920 U CN 202020311920U CN 211087198 U CN211087198 U CN 211087198U
- Authority
- CN
- China
- Prior art keywords
- display panel
- polaroid
- polarizer
- contact
- adhesive layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Liquid Crystal (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The utility model discloses a display panel and display device, include: an array substrate; a polarizer on the array substrate; the bonding layer is positioned on the surface of one side of the polaroid, which is far away from the array substrate, and a protruding structure is arranged on the surface of the polaroid, which is in contact with the bonding layer; the touch substrate is arranged on the polaroid, and the bonding layer is used for bonding the touch substrate and the polaroid. The utility model provides a technical scheme has increased the area of contact between tie coat and the polaroid, has improved the bonding firmness between polaroid and the touch-control base plate.
Description
Technical Field
The embodiment of the utility model provides a relate to and show technical field, especially relate to a display panel and display device.
Background
The mobile phone display screen is developed towards the direction of large screen and narrow frame, and each large mobile phone brand manufacturer develops a high screen occupation ratio without losing power.
The display panel and the display device with high screen occupation ratio have smaller area of a non-display area. The polaroid and the touch substrate in the non-display area are bonded through the bonding layer, the coating area of the bonding layer is limited, and the situation that the polaroid and the touch substrate cannot be well bonded due to the fact that the bonding strength of the bonding layer is not enough can be met.
Therefore, a display panel and a display device with high adhesion between the polarizer and the touch substrate are needed.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the present invention provides a display panel and a display device, which improve the adhesion firmness between the polarizer and the touch substrate.
In a first aspect, an embodiment of the present invention provides a display panel, including:
an array substrate;
a polarizer on the array substrate;
the bonding layer is positioned on the surface of one side of the polaroid, which is far away from the array substrate, and a protruding structure is arranged on the surface of the polaroid, which is in contact with the bonding layer;
the touch substrate is arranged on the polaroid, and the bonding layer is used for bonding the touch substrate and the polaroid.
Optionally, the cross section of the protruding structure is one or more of arc, zigzag and polygon.
Optionally, a plurality of equally spaced protruding structures are disposed on a surface of the polarizer, which is in contact with the adhesive layer.
Optionally, the surface of the polarizer, which is in contact with the adhesive layer, is further provided with grooves.
Optionally, the corrugations are located on the surface of the raised structure.
Optionally, the groove is in a zigzag shape in an orthographic projection of the array substrate.
Optionally, the depth of the corrugations is less than the height of the raised structures.
Optionally, the adhesive layer comprises a light sensitive adhesive layer.
Optionally, the display panel includes a display region and a non-display region adjacent to the display region, and a surface of the polarizer in contact with the adhesive layer is located in the non-display region.
In a second aspect, an embodiment of the present invention provides a display device, including the display panel described in any of the first aspects.
In this embodiment, be provided with protruding structure through the surface with polaroid and adhesive linkage contact, increased the surface area on polaroid and adhesive linkage contact's surface, and then increased the area of paining of tie coat, increased the area of contact between tie coat and the polaroid promptly, strengthened the cohesive strength of tie coat, and then improved the bonding firmness between polaroid and the touch-control base plate.
Drawings
Fig. 1 is a schematic structural diagram of a display panel according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an array substrate according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of another display panel according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of another display panel according to an embodiment of the present invention;
fig. 5 is a top view of a surface of a polarizer in contact with an adhesive layer according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a display device according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
As described in the background art, a display panel and a display device having a high screen occupation ratio have a small area of a non-display region. The polaroid and the touch substrate in the non-display area are bonded through the bonding layer, the coating area of the bonding layer is limited, and the situation that the polaroid and the touch substrate cannot be well bonded due to the fact that the bonding strength of the bonding layer is not enough can be met. The reason for this is that the area of the non-display area is relatively small, the surface of the polarizer in contact with the bonding layer is a plane, the coating area of the bonding layer is limited, that is, the contact area between the bonding layer and the polarizer is limited, so that the bonding strength of the bonding layer is not high, and further the bonding firmness between the polarizer and the touch substrate is not high.
To the technical problem, the utility model provides a following solution:
fig. 1 is a schematic structural diagram of a display panel according to an embodiment of the present invention, referring to fig. 1, the display panel includes: an array substrate 10; a polarizer 20 on the array substrate 10; the bonding layer 30 is positioned on the surface of one side of the polarizer 20, which is far away from the array substrate 10, and a protruding structure 21 is arranged on the surface of the polarizer 20, which is in contact with the bonding layer 30; the touch substrate 40 is disposed on the polarizer 20, and the adhesive layer 30 is used for adhering the touch substrate 40 and the polarizer 20.
It is known that the display panel includes a display area AA and a non-display area NAA surrounding the display area AA.
The prior display panel is characterized in that a polaroid and a touch substrate in a non-display area are bonded through a bonding layer, the coating area of the bonding layer is limited, the surface of the polaroid in contact with the bonding layer is a plane, the coating area of the bonding layer is limited, namely the contact area between the bonding layer and the polaroid is limited, so that the bonding strength of the bonding layer is not high, and the polaroid and the touch substrate cannot be well bonded.
In this embodiment, be provided with protruding structure 21 through the surface with polaroid 20 and tie coat 30 contact, increased the surface area on polaroid 20 and tie coat 30 contact's surface, and then increased tie coat 30's the area of scribbling, increased the area of contact between tie coat 30 and polaroid 20 promptly, strengthened tie coat 30's adhesion strength, and then improved the bonding firmness between polaroid 20 and the touch substrate 40.
Fig. 2 is a schematic structural diagram of an array substrate according to an embodiment of the present invention. Referring to fig. 2, the array substrate 10 includes, but is not limited to, a substrate 11, a thin film transistor array layer 12, an organic light emitting diode layer 13, and a thin film encapsulation layer 14, which are sequentially stacked from bottom to top. Illustratively, the substrate 11 may be a flexible substrate, and the flexible substrate may be selected from polyimide. The thickness of the substrate base plate 11 is approximately between 0.01mm and 2 mm. The organic light emitting diode layer 13 includes a first electrode, and a hole injection sublayer formed on the first electrode; a hole transport sublayer formed on the hole injection sublayer; a light emitting sublayer formed on the hole transport sublayer; an electron transport sublayer formed on the light emitting sublayer; an electron injection sublayer formed on the electron transport sublayer, and a second electrode formed on the electron injection layer. Voltage signals are applied to the first electrode and the second electrode, and under the action of an external electric field, current carriers are injected from the first electrode and the second electrode, pass through the hole transport sublayer and the electron transport sublayer, reach the light emitting sublayer, and carry out composite light emission. The thin film transistor array layer 12 includes thin film transistors arranged in an array, and the thin film transistors may be, for example, one or more of oxide thin film transistors, low temperature polysilicon thin film transistors, and amorphous silicon thin film transistors, and may serve as a driving circuit required by the organic light emitting diode layer 13. The thin film encapsulation layer 14 serves to protect the organic light emitting diode layer 13 from water oxygen.
In the above technical scheme, the surface that contacts polarizer 20 and tie coat 30 is provided with protruding structure 21, has increased the surface area on polarizer 20 and tie coat 30 contact, and then has increased tie coat 30's the area of scribbling, has increased the area of contact between tie coat 30 and the polarizer 20 promptly, has strengthened tie coat 30's cohesive strength, and then has improved the bonding firmness between polarizer 20 and the touch substrate 40. The cross-sectional shape of the lower projection structure 21 will be described in detail below.
Alternatively, as illustrated in fig. 1, 3 and 4, the cross section of the protruding structure 21 is one or more of arc, zigzag and polygon.
Specifically, referring to fig. 3, the cross-section of the projection structure 21 is arc-shaped. Referring to fig. 4, the cross-section of the projection structure 21 is serrated. Illustratively, fig. 1 shows a structure in which the cross-section of the projection structure 21 is triangular in a polygon. It should be noted that the cross-sectional shape of the protruding structure 21 is not limited in the embodiments of the present invention. Through being one or more in arc, zigzag and the polygon with protruding structure 21's cross-section, increase the surface area on polaroid 20 and the surface that tie coat 30 contacted, and then increased tie coat 30's the area of scribbling, increased the area of contact between tie coat 30 and the polaroid 20 promptly, strengthened tie coat 30's cohesive strength, and then improved the bonding firmness between polaroid 20 and the touch substrate 40.
Optionally, the surface of the polarizer 20 contacting the adhesive layer 30 is provided with a plurality of protruding structures 21 arranged at equal intervals. For example, fig. 1, 3 and 4 show schematic structural diagrams in which the surfaces of the polarizer 20 in contact with the adhesive layer 30 are provided with a plurality of equally spaced protruding structures 21. In the structural diagrams shown in fig. 1 and 3, the distance between the convex structures 21 is zero, and in the structural diagram shown in fig. 4, the distance between the convex structures 21 is not zero. It should be noted that, the embodiment of the utility model provides a numerical value of interval does not specifically limit, can set up the interval between the protruding structure 21 according to predetermined firmness, interval between the protruding structure 21 is less, the surface area on the surface that polaroid 20 and tie coat 30 contacted is big more, tie coat 30 scribbles the area big more, area of contact between tie coat 30 and polaroid 20 is big more, tie coat 30's bonding strength is high more, the bonding firmness between polaroid 20 and the touch-control base plate 40 is high more, therefore, can set for the interval between the protruding structure 21 according to the actual demand of the bonding firmness between polaroid 20 and the touch-control base plate 40.
Fig. 5 is a top view of a surface of a polarizer in contact with an adhesive layer according to an embodiment of the present invention. Alternatively, referring to fig. 5, the surface of the polarizer 20 in contact with the adhesive layer 30 is also provided with grooves 22. It should be noted that the grooves 22 may be located on the surface of the protruding structures 21, or may be located on the surface of the polarizer 20 contacting the adhesive layer 30 without the protruding structures 21. Alternatively, the grooves 22 may be located on the surface of the protruding structures 21 and the surface of the polarizer 20 contacting the adhesive layer 30 without the protruding structures 21. The larger the area of the grooves 22 is arranged on the surface of the polarizer 20 contacted with the bonding layer 30, the larger the surface area of the surface of the polarizer 20 contacted with the bonding layer 30 is, the larger the smearing area of the bonding layer 30 is, the larger the contact area between the bonding layer 30 and the polarizer 20 is, the higher the bonding strength of the bonding layer 30 is, and the higher the bonding firmness between the polarizer 20 and the touch substrate 40 is.
Alternatively, referring to fig. 5, the groove 22 is in a zigzag shape in the orthographic projection of the array substrate, but is not limited thereto. The more complicated the shape of the orthographic projection of the array substrate of the grooves 22, the larger the surface area of the surface of the polarizer 20 in contact with the adhesive layer 30, the larger the smearing area of the adhesive layer 30, the larger the contact area between the adhesive layer 30 and the polarizer 20, the higher the adhesive strength of the adhesive layer 30, and the higher the adhesive firmness between the polarizer 20 and the touch substrate 40.
Optionally, the depth of the corrugations 22 is less than the height of the raised structures 21. The raised structures 21 cooperate with the grooves 22 to further increase the surface area of the surface of the polarizer 20 in contact with the adhesive layer 30. The deeper the grooves 22 are, the larger the surface area of the surface of the polarizer 20 in contact with the adhesive layer 30 is, the larger the smearing area of the adhesive layer 30 is, the larger the contact area between the adhesive layer 30 and the polarizer 20 is, the higher the adhesive strength of the adhesive layer 30 is, and the higher the adhesive firmness between the polarizer 20 and the touch substrate 40 is. Therefore, the depth of the grooves 22 may be set according to actual requirements of the adhesion firmness between the polarizer 20 and the touch substrate 40. However, when the depth of the grooves 22 is too large to be larger than the height of the protruding structures 21, the mechanical strength of the polarizer 20 is poor, and therefore, in the present embodiment, the depth of the grooves 22 is set to be smaller than the height of the protruding structures 21.
The adhesive layer 30 is used to adhere the touch substrate 40 and the polarizer 20. Optionally, the adhesive layer 30 comprises a light sensitive adhesive layer. The photosensitive adhesive layer generally comprises photosensitive resin, a sensitizer, a cross-linking agent, a photosensitizer (photoinitiator), a stabilizer, a solvent and the like. The photosensitive adhesive layer is located on the surface of the polarizer 20 on the side away from the array substrate 10, and may be cured rapidly under the irradiation of ultraviolet light, for example, to adhere the touch substrate 40 and the polarizer 20.
Alternatively, taking fig. 1 as an example for illustration, the display panel includes a display area AA and a non-display area NAA adjacent to the display area, and the surface of the polarizer 20 in contact with the adhesive layer 30 is located in the non-display area NAA. The surface of the polarizer 20 in contact with the adhesive layer 30 is located in the non-display area NAA, and the quality of the preset picture displayed by the display panel is not affected.
The embodiment of the utility model provides a still provide a display device, figure 6 does the utility model provides a display device's schematic structure diagram that provides. Referring to fig. 6, the display device 100 includes the display panel 101 described in the above embodiments, and therefore, the display device provided in the embodiment of the present invention also has the beneficial effects described in the above embodiments, which are not repeated herein. For example, the display device may be a mobile phone, a computer, or an electronic device such as a wearable device, and the embodiment of the present invention is not limited to the specific form of the display device.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments illustrated herein, but is capable of various obvious modifications, rearrangements and substitutions without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. A display panel, comprising:
an array substrate;
a polarizer on the array substrate;
the bonding layer is positioned on the surface of one side of the polaroid, which is far away from the array substrate, and a protruding structure is arranged on the surface of the polaroid, which is in contact with the bonding layer;
the touch substrate is arranged on the polaroid, and the bonding layer is used for bonding the touch substrate and the polaroid.
2. The display panel of claim 1, wherein the cross-section of the protrusion structure is one or more of arc-shaped, saw-tooth-shaped, and polygonal.
3. The display panel according to claim 1, wherein the surface of the polarizer in contact with the adhesive layer is provided with a plurality of the protruding structures arranged at equal intervals.
4. The display panel according to claim 1, wherein a surface of the polarizer in contact with the adhesive layer is further provided with grooves.
5. The display panel according to claim 4, wherein the grooves are located on the surface of the convex structure.
6. The display panel according to claim 4, wherein the grooves have a zigzag shape in an orthogonal projection of the array substrate.
7. The display panel of claim 4, wherein the depth of the grooves is less than the height of the raised structures.
8. The display panel of claim 1, wherein the adhesive layer comprises a light sensitive adhesive layer.
9. The display panel according to claim 1, wherein the display panel comprises a display region and a non-display region adjacent to the display region, and wherein a surface of the polarizer in contact with the adhesive layer is located in the non-display region.
10. A display device comprising the display panel according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020311920.6U CN211087198U (en) | 2020-03-13 | 2020-03-13 | Display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020311920.6U CN211087198U (en) | 2020-03-13 | 2020-03-13 | Display panel and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211087198U true CN211087198U (en) | 2020-07-24 |
Family
ID=71626467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020311920.6U Active CN211087198U (en) | 2020-03-13 | 2020-03-13 | Display panel and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211087198U (en) |
-
2020
- 2020-03-13 CN CN202020311920.6U patent/CN211087198U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11302763B2 (en) | Flexible OLED display panel and manufacturing method thereof | |
| CN108832017B (en) | Display panel, manufacturing method thereof, display module and electronic device | |
| US10541366B2 (en) | Flexible TFT substrate having a plurality of grooves in organic material | |
| CN111009562B (en) | Stretchable display panel and device and manufacturing method of stretchable display device | |
| US11127804B2 (en) | Display panel, method for manufacturing the same and display device | |
| CN111048566A (en) | Organic light-emitting display panel and display device | |
| CN208753324U (en) | OLED display | |
| CN109411622B (en) | Flexible display panel and flexible display device | |
| KR20160025152A (en) | Protection structure and organic light emitting display device including a protection structure | |
| CN110299393B (en) | Display panel and manufacturing method thereof, display device and manufacturing method thereof | |
| US20220246583A1 (en) | Display device using semiconductor light-emitting elements, and method for manufacturing same | |
| US20210305073A1 (en) | Transfer structure and manufacturing method thereof, transfer device and manufacturing method thereof | |
| EP4002479A1 (en) | Display substrate and display device | |
| KR102051122B1 (en) | Display Apparatus | |
| US10872949B2 (en) | Display panel and display device | |
| WO2020103349A1 (en) | Oled display device and manufacturing method therefor | |
| JP7056834B2 (en) | Flexible display panel and flexible display device | |
| KR20190078842A (en) | Flexible display device | |
| US11937445B2 (en) | Display panel and display device | |
| CN211087198U (en) | Display panel and display device | |
| US20220052239A1 (en) | Micro display panel, manufacturing method thereof, and spliced display panel | |
| KR20080043507A (en) | Flexible display device and manufacturing method thereof | |
| KR102533387B1 (en) | Flexible Display | |
| KR20150075604A (en) | Flexible display device and method of manufacturing the same | |
| KR100490350B1 (en) | Top Emission Type Organic Electroluminescent Device and Method for Fabricating the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 1568 Jiugong Road, Jinshan District, Shanghai, 201506 Patentee after: Shanghai Hehui optoelectronic Co., Ltd Address before: 1568 Jiugong Road, Jinshan District, Shanghai, 201506 Patentee before: EverDisplay Optronics (Shanghai) Ltd. |
|
| CP01 | Change in the name or title of a patent holder |