CN111261047A - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
- Publication number
- CN111261047A CN111261047A CN202010125367.1A CN202010125367A CN111261047A CN 111261047 A CN111261047 A CN 111261047A CN 202010125367 A CN202010125367 A CN 202010125367A CN 111261047 A CN111261047 A CN 111261047A
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- screen body
- screen
- display panel
- display
- supporting block
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
Abstract
The invention provides a display panel and a display device, wherein the display panel comprises: the screen body comprises a first screen body, a second screen body and a bending part, wherein the first screen body and the second screen body are opposite to each other, and the bending part is connected with the first screen body and the second screen body; the supporting block is positioned between the first screen body and the second screen body and used for supporting the first screen body and the second screen body; the supporting block is provided with a groove on the surface close to the first screen body and/or the second screen body; and the driving chip is positioned on the screen body and embedded in the groove. Therefore, the thickness of the screen body can be prevented from being increased when the driving chip is arranged on the outer side of the screen body, and the thickness of the screen body can be reduced by the method of the invention, so that the thickness of the display panel is reduced.
Description
Technical Field
The present invention relates to the field of display technologies, and in particular, to a display panel and a display device.
Background
With the development of information technology, display devices such as mobile phones and the like have become indispensable tools in people's lives, and a full-screen display has become the pursuit of more and more users, so that the full-screen display device declared in the industry is only a display device with an ultrahigh screen ratio. In order to achieve the display effect of the entire screen, the flexible screen body is usually bent, and the flexible screen body of an Organic Light-Emitting Diode (OLED) can be bent freely, but when the flexible screen body is bent, the position of the driving chip is exposed outside the screen body after being bent, so that the height of a bending area is increased, and the thickness of the entire device is affected.
Disclosure of Invention
The invention provides a display panel and a display device, which are used for reducing the thickness of a screen body.
In order to solve the above technical problems, the first technical solution adopted by the present invention is: provided is a display panel including: the screen body comprises a first screen body, a second screen body and a bending part, wherein the first screen body and the second screen body are opposite to each other, and the bending part is connected with the first screen body and the second screen body; the supporting block is positioned between the first screen body and the second screen body and used for supporting the first screen body and the second screen body; the supporting block is provided with a groove on the surface close to the first screen body and/or the second screen body; and the driving chip is positioned on the screen body and embedded in the groove.
Wherein, the number of the grooves is more than two. One possible embodiment of the groove is specified.
The display panel further comprises a display component which is positioned on one side of the first screen body far away from the second screen body.
Wherein the display assembly comprises: the display layer is positioned on the surface of the first screen body, which is far away from the supporting block; a polarizer disposed on the display layer; and the cover plate is arranged on the polarizer.
The size of a space formed by the groove and the second screen body is larger than or equal to the volume of the driving chip. So as to fully embed the driving chip in the groove.
The supporting membrane is located between the supporting block and the first screen body and/or the second screen body and is used for supporting the first screen body and/or the second screen body. When the supporting film exists, the arrangement mode can effectively support the screen body structure.
The composite layer is positioned on the surface of the support film far away from the first screen body and used for protecting the first screen body and the second screen body so that the screen body can be prevented from being pressed under the external impact.
The display panel further comprises a flexible circuit board, the flexible circuit board is located on the surface, far away from the first screen body, of the second screen body, and the projections of the flexible circuit board and the second screen body in the vertical direction are overlapped. This arrangement can be advantageous for narrowing the bezel.
The thickness of the supporting block is larger than or equal to that of the driving chip. So as to fully embed the driving chip in the groove.
The driving chip penetrates through the second screen body and is embedded into the groove. Another arrangement of the driving chip is provided.
In order to solve the above technical problems, a second technical solution provided by the present invention is: there is provided a display device including the display panel of any one of the above.
The display panel provided by the invention has the beneficial effects that the display panel is different from the prior art, and comprises a screen body, wherein the screen body comprises a first screen body, a second screen body and a bending part which is opposite to each other and is connected with the first screen body and the second screen body; the supporting block is provided with a groove on the surface close to the first screen body and/or the second screen body; and the driving chip is positioned on the screen body and embedded in the groove. The driving chip is embedded into the supporting block in such a way, so that the driving chip is prevented from being subjected to independent space avoidance when exposed outside the screen body, and the thickness of the screen body is further reduced.
Drawings
FIG. 1 is a schematic structural diagram of a display panel according to a first embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a display panel according to a second embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a display panel according to a third embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a display panel according to a fourth embodiment of the present invention;
fig. 5 is a schematic structural diagram of a display device according to an embodiment of the invention.
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, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the 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.
It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The flexible screen body of the Organic Light-Emitting Diode (OLED) can be freely bent, but when the flexible screen body is bent, the position of the driving chip is exposed outside the screen body after being bent, so that the height of a bending area can be increased, and the thickness of the whole device is affected. The invention provides a display panel, wherein a driving chip is embedded into a supporting block positioned between a first screen body and a second screen body, so that other problems caused by the fact that the driving chip needs to be subjected to independent space avoidance when the driving chip is exposed out of the screen body are avoided, and the thickness of the screen body is further reduced. The detailed structure of the present invention is described in detail with reference to the following drawings and detailed description.
Fig. 1 is a schematic structural diagram of a display panel according to a first embodiment of the invention. The display panel shown in this embodiment includes a panel 11, and the panel 11 includes a first panel 111 and a second panel 113 opposite to each other, and a bending portion 112 connecting the first panel 111 and the second panel 113.
In one embodiment, the screen 11 is a flexible screen. It can be realized to curl or bend at any position. The flexible screen body is made of a soft material, and the screen body 11 can be applied to portable electronic equipment, pens, touch input equipment and the like. Generally, the flexible screen 11 includes a flexible substrate, a plurality of display components for displaying images are integrated on the flexible substrate, and the display components may include different display components such as a thin film transistor, a gate line, a data line, a capacitor, an anode, a cathode, an organic light emitting layer, and a color filter.
The display panel of the present embodiment further includes a supporting block 12 and a driving chip 14 between the first panel 111 and the second panel 113. The supporting block 12 is used for supporting the first screen body 11 and the second screen body 113. So as to prevent the bending portion 112 connecting the first screen 111 and the second screen 113 from breaking due to the stress on the upper portion of the screen 11. The supporting block 12 is provided with a groove 13 on a surface close to the first screen 111 and/or the second screen 113, and the driving chip 14 is located on the screen 11 and embedded in the groove 13.
Specifically, in an embodiment, the grooves 13 are located on the surface of the supporting block 12 close to the second screen 113, and the driving chips 14 are located on the surface of the second screen 113 close to the supporting block 12 and embedded in the grooves 13, so that the thickness of the display panel is reduced, and it can be known that in this embodiment, the number of the grooves 13 is 1.
In this way, the driving chip 14 is embedded in the groove 13 of the supporting block 12 close to the second screen 113, so that the driving chip 14 is not exposed outside the screen 11, and compared with the driving chip 14 exposed outside the screen 11, the thickness of the display panel is reduced.
In an embodiment, the number of the grooves 13 may be two or more, and by providing a plurality of grooves 13, other elements that may increase the thickness of the display panel besides the driving chip 14 may be accommodated, thereby being beneficial to reducing the overall thickness. Specifically, the plurality of grooves 13 may be located on the surface of the supporting block 12 close to the second screen 113; or on the surface of the supporting block 12 close to the first screen body 111; it is also possible that a part of the groove 13 is located on the surface of the supporting block 12 close to the second panel 113, and a part of the groove 13 is located on the surface of the supporting block 12 close to the first panel 111, which is not limited herein.
In an embodiment, the size of the space formed by the groove 13 and the second screen 113 is greater than or equal to the volume of the driving chip 14.
Alternatively, the thickness of the backing block 12 is greater than or equal to the thickness of the driver chip 14. The thickness of the supporting block 12 can be adjusted according to the bending diameter of the bending portion 112, which is not limited herein. Preferably, the thickness of the supporting block 12 is greater than that of the driving chip 14, so that the driving chip 14 can be sufficiently embedded in the groove 13 of the supporting block 12, and the bottom friction between the supporting block 12 and the driving chip 14 can be avoided. Specifically, the supporting block 12 is mainly used for fixedly supporting the first screen 111 and the second screen 113, so as to prevent the bending portion 112 of the screen 11 from being broken due to an excessive bending degree. The supporting block 12 may be a multi-layer structure, and specifically, the supporting block 12 may be made of a material such as silicone, which may have a certain elasticity and hardness. The supporting block 12 has a certain hardness, so that the screen body 11 can be prevented from being deformed due to extrusion, meanwhile, the supporting block 12 has a certain elasticity, so that the screen body 11 can be prevented from being damaged due to local stress, and in addition, the supporting block 12 can also play a role in damping the screen body 11.
As shown in fig. 1, the supporting block 12 in the present embodiment is disposed to avoid the bent portion 112, but in other embodiments, the shape of the position of the supporting block 12 close to the bent portion 112 may be matched with the shape of the bent portion 112, so that the surface of the bent portion 112 close to the supporting block 12 is attached to the supporting block 12, and further, the supporting portion 112 of the panel has a certain supporting function, so that the panel is not easily deformed. Generally, the bending portion 112 is arc-shaped, and preferably, the bending angle of the bending portion 112 is 180 °, that is, the first panel 111 is parallel to the second panel 113, so that the bending portion 112 can better support and fix the first panel 111 and the second panel 113 after being bent, and the process is also facilitated. In addition, the space occupied by the flexible screen body is effectively reduced.
Fig. 2 is a schematic structural diagram of a display panel according to a second embodiment of the invention. Compared to the first embodiment shown in fig. 1, the display panel of the present embodiment further includes a display module 21. The display assembly 21 is located on a side of the first screen 111 away from the second screen 113. Specifically, the display module 21 includes a display layer 15, a polarizer 16, and a cover 17. Wherein, the display layer 15 is positioned on the surface of the first screen body 111 far away from the supporting block 12; a polarizer 16 is disposed on the display layer 15; the cover 17 is disposed on the polarizer 16.
The display layer 15 may include different display components such as a thin film transistor, a gate line, a data line, a capacitor, an anode, a cathode, an organic light emitting layer, and a color filter. A polarizer 16 is disposed on the display layer 15 to increase the light transmission of the display layer 15 to reduce external light reflection. The cover 17 is used to protect the screen body 11.
In the display panel provided by this embodiment, the driving chip 14 is embedded in the groove 13 of the supporting block 12 close to the second screen 113, so that the driving chip 14 is not exposed outside the screen 11, and compared with the driving chip 14 exposed outside the screen 11, the thickness of the display panel is reduced.
Fig. 3 is a schematic structural diagram of a display panel according to a third embodiment of the invention. Compared with the first embodiment shown in fig. 2, the difference is that: the display panel of the present embodiment further includes: a support film 19 and a composite layer 18. The supporting film 19 is located between the supporting block 12 and the first screen 111 and/or the second screen 113, and is used for supporting the first screen 111 and/or the second screen 113. The composite layer 18 is located on a surface of the support film 19 away from the first screen 111, and is used for protecting the first screen 111.
Specifically, the support film 19 may be located between the first screen 111 and the support block 12; or the supporting film 19 is positioned between the second screen body 113 and the supporting block 12; or the support film 19 is located between the first screen 111 and the support block 12, and between the second screen 113 and the support block 12. In one embodiment, when the supporting film 19 is located between the second panel 113 and the supporting block 12, the supporting film 19 has a through hole 21 at a position corresponding to the groove 13, and the driving chip 14 is inserted into the groove 13 of the supporting block 12 through the through hole 21.
In an embodiment, in order to better support the first panel 111 and the second panel 113 of the panel 11, one edge of the support film 19 coincides with a connection position of the first panel 111 and/or the second panel 113 and the bending portion 112, and the other edge of the support film 19 coincides with an end of the first panel 111 and/or the second panel 113.
Specifically, the supporting film 19 may be polyethylene terephthalate (PET) with a supporting function, and the supporting film 19 may be adhered to the first screen body 111 and/or the second screen body 113 by an adhesive, or may be fixed on the first screen body 111 and/or the second screen body 113 by other physical means.
Specifically, the display panel shown in this embodiment further includes a flexible printed circuit 20, where the flexible printed circuit 20 is located on the surface of the second panel 113 away from the first panel 111, that is, the flexible printed circuit 20 is located on the side of the second panel 113 away from the supporting block 12. The projection of part of the flexible circuit board 20 and the second screen body 113 in the vertical direction are overlapped, which is beneficial to the narrowing of the frame.
Specifically, in one embodiment, a portion of the flexible circuit board 20 is connected to the second screen 113. The flexible wiring board 20 is also called a "flexible board", and is a printed circuit made of a flexible insulating base material. Flexible circuits provide excellent electrical performance, meet design requirements for smaller and higher density packaging, and also help reduce assembly processes and enhance reliability. The flexible wiring board 20 is the only solution to meet the miniaturization and mobility requirements of electronic products. The flexible printed circuit board can be freely bent, wound and folded, can bear millions of dynamic bending without damaging the lead, can be randomly arranged according to the space layout requirement, and can be freely moved and stretched in a three-dimensional space, so that the integration of component assembly and lead connection is realized; the flexible printed circuit 20 can greatly reduce the size and weight of the electronic product, and is suitable for the development of the electronic product in the direction of high density, miniaturization and high reliability.
In the display panel provided by this embodiment, the driving chip 14 is embedded in the groove 13 of the supporting block 12 close to the second screen 113, so that the driving chip 14 is not exposed outside the screen 11, and compared with the driving chip 14 exposed outside the screen 11, the thickness of the display panel is reduced.
Fig. 4 is a schematic structural diagram of a display panel according to a fourth embodiment of the invention. Specifically, in an embodiment, the driving chip 14 is embedded in the groove 13 through the second screen 113, and when the supporting film 19 is provided, the driving chip 14 is embedded in the groove 13 through the second screen 113 and the through hole 21.
Specifically, the driving chip 14 is disposed on a side of the second panel 113 away from the first panel 111 through an Anisotropic Conductive Film (ACF), so that ACF particles can pierce the second panel 113 when pressed, and after the panel 11 is bent, the ACF particles pierce the second panel 113 to embed the driving chip 14 in the groove 13, thereby reducing the thickness of the display panel.
Fig. 5 is a schematic structural diagram of a display device according to an embodiment of the invention. Specifically, the display device 41 provided by the present invention includes the display panel 42 in any of the embodiments shown in fig. 1 to 3. Specifically, in an embodiment, the display panel 42 includes a panel 11, and the panel 11 includes a first panel 111 and a second panel 113 opposite to each other, and a bending portion 112 connecting the first panel 111 and the second panel 113. The display panel of the present embodiment further includes a supporting block 12 and a driving chip 14 between the first panel 111 and the second panel 113. The supporting block 12 is used for supporting the first screen body 111 and the second screen body 113. So as to prevent the bending portion 112 connecting the first screen 111 and the second screen 113 from breaking due to the stress on the upper portion of the screen 11. The supporting block 12 is provided with a groove 13 on a surface close to the first screen 111 and/or the second screen 113, and the driving chip 14 is located on the screen 11 and embedded in the groove 13. In this way, the driving chip 14 is embedded in the groove 13 of the supporting block 12, so that the driving chip 14 is not exposed outside the screen 11, and the thickness of the display panel 42 is reduced compared with the case that the driving chip 14 is exposed outside the screen 11.
Specifically, in another embodiment, the display panel 42 further includes the display assembly 21. The display assembly 21 is located on a side of the first screen 111 away from the second screen 113. Specifically, the display module 21 includes a display layer 15, a polarizer 16, and a cover 17. Wherein, the display layer 15 is positioned on the surface of the first screen body 111 far away from the supporting block 12; a polarizer 16 is disposed on the display layer 15; the cover 17 is disposed on the polarizer 16.
Specifically, in another embodiment, the display panel 42 further includes a support film 19 and a composite layer 18. The supporting film 19 is located between the supporting block 12 and the first screen 111 and/or the second screen 113, and is used for supporting the first screen 111 and/or the second screen 113. The composite layer 18 is located on a surface of the support film 19 away from the first screen 111, and is used for protecting the first screen 111.
Specifically, the display device 41 may be any one of a double-sided display device, a flexible display device, and a full-screen display device. The flexible display device can be applied to a curved electronic apparatus; the double-sided display device may be applied to a device for enabling a person on both sides of the display device to see the display contents; the full-screen display device may be applied to a full-screen mobile phone or other devices, and is not limited herein.
The display device 41 of the present invention can be applied to any product or component having a display function, such as a virtual reality device, a mobile phone, a tablet computer, a television, a display, a notebook computer, a digital photo frame, a navigator, a wearable watch, and an internet of things node. Since the principle of the display device 41 for solving the problems is similar to that of the display panel and the OLED device, the implementation of the display device 41 can refer to the implementation of the display panel and the OLED device, and repeated descriptions are omitted.
Other essential components of the display device should be understood by those skilled in the art, and are not described herein nor should they be construed as limiting the present invention.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A display panel, comprising:
the screen body comprises a first screen body, a second screen body and a bending part, wherein the first screen body and the second screen body are opposite to each other, and the bending part is connected with the first screen body and the second screen body;
the supporting block is positioned between the first screen body and the second screen body and used for supporting the first screen body and the second screen body; the supporting block is provided with a groove on the surface close to the first screen body and/or the second screen body;
and the driving chip is positioned on the screen body and embedded in the groove.
2. The display panel according to claim 1, wherein the number of the grooves is two or more.
3. The display panel according to claim 2, further comprising:
the display assembly is positioned on one side, far away from the second screen body, of the first screen body;
wherein the display assembly comprises:
the display layer is positioned on the surface of the first screen body, which is far away from the supporting block;
a polarizer disposed on the display layer;
and the cover plate is arranged on the polarizer.
4. The display panel according to claim 1, wherein a size of a space formed by the groove and the second screen body is greater than or equal to a volume of the driving chip.
5. The display panel according to claim 1, further comprising:
and the supporting membrane is positioned between the supporting block and the first screen body and/or the second screen body and is used for supporting the first screen body and/or the second screen body.
6. The display panel according to claim 5, further comprising:
and the composite layer is positioned on the surface of the support film, which is far away from the first screen body, and is used for protecting the first screen body and the second screen body.
7. The display panel according to claim 2, further comprising a flexible circuit board disposed on a surface of the second screen body away from the first screen body, wherein a projection of a portion of the flexible circuit board and the second screen body in a vertical direction coincide with each other.
8. The display panel according to claim 2, wherein the supporting block has a thickness greater than or equal to a thickness of the driving chip.
9. The display panel of claim 1, wherein the driving chip is embedded in the groove through the second screen.
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 |
|---|---|---|---|
| CN202010125367.1A CN111261047A (en) | 2020-02-27 | 2020-02-27 | Display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010125367.1A CN111261047A (en) | 2020-02-27 | 2020-02-27 | Display panel and display device |
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| CN111261047A true CN111261047A (en) | 2020-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010125367.1A Pending CN111261047A (en) | 2020-02-27 | 2020-02-27 | Display panel and display device |
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| CN (1) | CN111261047A (en) |
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| CN114077079A (en) * | 2020-08-19 | 2022-02-22 | 苹果公司 | Display panel bend stiffener |
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Application publication date: 20200609 |