CN113257112A - Display panel and display device - Google Patents
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- CN113257112A CN113257112A CN202010088068.5A CN202010088068A CN113257112A CN 113257112 A CN113257112 A CN 113257112A CN 202010088068 A CN202010088068 A CN 202010088068A CN 113257112 A CN113257112 A CN 113257112A
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- 239000005357 flat glass Substances 0.000 claims abstract description 8
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- 239000004973 liquid crystal related substance Substances 0.000 claims description 12
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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
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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
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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
- G09F9/35—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 liquid crystals
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- Crystallography & Structural Chemistry (AREA)
- Liquid Crystal (AREA)
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The embodiment of the application provides a display panel and a display device. The display panel includes: the display module comprises a display area and a non-display area surrounding the display area; the cover plate glass is positioned on one side of the light emergent surface of the display module and comprises a central part and at least one edge bending part, and the edge bending part is bent from the central part to one side close to the display module; the first optical adhesive layer is positioned between the display module and the cover plate glass, extends from the central part to the edge bending part and is made of compressible materials; wherein at least a portion of the edge bent portion overlaps the display area. This application realizes that edge bending's at least part and display area overlap, and edge bending's subregion also can the light-emitting display, has reduced non-display area's width, has improved the screen and has accounted for the ratio, has promoted display effect.
Description
Technical Field
The invention belongs to the technical field of display, and particularly relates to a display panel and a display device.
Background
In the conventional display device technology, the display panel is mainly divided into two mainstream technologies, namely a liquid crystal display panel and an organic light emitting display panel. The liquid crystal display panel forms an electric field capable of controlling the deflection of liquid crystal molecules by applying voltage on the pixel electrode and the common electrode, and further controls the transmission of light rays to realize the display function of the liquid crystal display panel; the organic self-luminous display panel adopts an organic electroluminescent material, and when current passes through the organic electroluminescent material, the luminescent material can emit light, so that the display function of the organic electroluminescent display panel is realized.
With the application of display technology in intelligent wearing and other portable electronic devices, smooth use experience of users is continuously pursued in the aspect of electronic product design, better visual experience is also pursued more and more, and narrowing of a frame and improving of a screen ratio become the key points of current research. At present, the screen edge of a display screen of a mainstream display device has radian, and the problem that the black border greatly influences the visual experience exists.
Disclosure of Invention
In view of this, the present application provides a display panel and a display device to solve the technical problem that the black border of the display screen greatly affects the visual effect in the prior art.
In a first aspect, the present application provides a display panel comprising:
the display module comprises a display area and a non-display area surrounding the display area;
the cover plate glass is positioned on one side of the light emergent surface of the display module and comprises a central part and at least one edge bending part, and the edge bending part is bent from the central part to one side close to the display module;
the first optical adhesive layer is positioned between the display module and the cover plate glass, extends from the central part to the edge bending part and is made of compressible materials; wherein,
at least a portion of the edge bent portion overlaps the display area.
Furthermore, the display panel further comprises a functional structure layer, the functional structure layer is positioned on one side, close to the display module, of the first optical adhesive layer and used for increasing a first distance between the cover plate glass and the display module, and the distance between the central part and the display module is a first distance in the direction perpendicular to the central part.
Optionally, the functional structure layer is a second optical adhesive layer.
Optionally, the second optical adhesive layer and the first optical adhesive layer are made of the same material.
Optionally, the functional structure layer extends out of the edge of the first optical adhesive layer to form a first step.
Optionally, the display module extends out of the edge of the functional structure layer to form a second step.
Optionally, the display module is a flat panel display module.
Optionally, the display module includes an array substrate, a liquid crystal layer, and a color film substrate, which are sequentially arranged.
Optionally, the display module includes an array layer, a display layer and a package structure, which are sequentially arranged, and the display layer includes a plurality of light emitting devices.
In a second aspect, an embodiment of the present application further provides a display device, including any one of the display panels provided in the present application.
The application provides a display panel and display device, first optics glue film adopt the preparation of compressible material, and first optics glue film extends to and can adapt to the shape of marginal flexion after the marginal flexion and compresses, guarantees that display module assembly is inseparable with the laminating of marginal flexion, and display module assembly and central part are roughly parallel, has guaranteed the yield of display module assembly and glass cover plate combination. Simultaneously, the display module can extend towards the direction of the edge bending part, at least part of the edge bending part and the display area are overlapped, the light emitted by the display area can be emitted out of the display panel through the edge bending part, namely, part area of the edge bending part can be emitted for display, the width of a non-display area is reduced, the screen occupation ratio is improved, and the display effect is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic partial cross-sectional view of a display panel according to the related art;
fig. 2 is a schematic partial cross-sectional view of a display panel according to an embodiment of the present application;
FIG. 3 is a schematic partial cross-sectional view of an alternative embodiment of a display panel provided in an embodiment of the present application;
FIG. 4 is a schematic partial cross-sectional view of another alternative embodiment of a display panel provided in an embodiment of the present application;
FIG. 5 is a schematic partial cross-sectional view of another alternative embodiment of a display panel provided in an embodiment of the present application;
FIG. 6 is a schematic partial cross-sectional view of another alternative embodiment of a display panel provided in an embodiment of the present application;
FIG. 7 is a schematic cross-sectional view of another alternative embodiment of a display panel provided in an embodiment of the present application;
FIG. 8 is a schematic view of a display device according to an embodiment of the present disclosure;
FIG. 9 is a first cross-sectional view of a display device according to an embodiment of the present disclosure;
fig. 10 is a schematic cross-sectional view of a display device according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. 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 invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
Fig. 1 is a partial cross-sectional view of a display panel in the related art. As shown in fig. 1, the display panel includes a display module 11 ' and a cover glass 12 ', the cover glass 12 ' and the display module 11 ' are bonded together by an optical adhesive 13 ', wherein the cover glass 12 ' can protect the display module 11 '. As illustrated in the drawing, the edge of the cover glass 12 'is arc-shaped, and is limited by the shape of the display module 11' and the shape of the edge of the cover glass 12 ', and the display module 11' can only be attached to the flat area of the cover glass 12 'through the optical adhesive 13', and cannot be displayed on the edge of the cover glass 12 '(the area B' illustrated in the drawing), so that the black edge is large, and the display effect is affected.
Based on there is the problem among the correlation technique, the embodiment of the application provides a display panel and display device, it adopts the compressible material preparation to set up the first optics glue film between display module assembly and the apron glass, first optics glue film extends to and can adapt to the shape of edge bending portion behind the edge bending portion and compress, the partial display area that realizes display module assembly can extend to apron glass's arc edge (this case edge bending portion), display module assembly's display area and edge bending portion overlap, then the partial region of edge bending portion also can realize showing, thereby increase display area's area, the frame width has been reduced.
Fig. 2 is a schematic partial cross-sectional view of a display panel according to an embodiment of the present application. As shown in fig. 2, the display panel includes:
the display module 11, the display module 11 includes the display area AA and surrounds the non-display area BA of the display area AA; the display area AA is used for displaying pictures, and various signal wiring lines or components are arranged in the non-display area BA.
The cover glass 12 is located on one side of the light emitting surface of the display module 11, the light emitting surface of the display module 11 is one side of the display module 11 for displaying images, the cover glass 12 includes a central portion 12Z and at least one edge bending portion 12B, the edge bending portion 12B is bent from the central portion 12Z to one side close to the display module 11, at least part of the edge bending portion 12B overlaps with the display area AA, and the edge bending portion 12B in the area Q shown in the figure overlaps with the display area AA; the actual cover glass 12 is integrally formed so that the edge bent portions 12B and the central portion 12Z are connected.
The first optical adhesive layer 13 is positioned between the display module 11 and the cover glass 12; the first optical adhesive layer 13 extends from the central portion 12Z to the edge bending portion 12B, and the first optical adhesive layer 13 is made of a compressible material.
In the embodiment of this application, first optics glue film adopts the preparation of compressible material, and first optics glue film extends to and can adapt to the shape of marginal flexion after the marginal flexion and compress, guarantees that the laminating of display module assembly and marginal flexion is inseparable, and display module assembly and central part are roughly parallel, has guaranteed the yield of display module assembly and glass cover plate combination. Meanwhile, at least part of the edge bending part is overlapped with the display area, light emitted by the display area of the display module can penetrate through part of the edge bending part and then is emitted, namely, part of the area of the edge bending part can be displayed in a light emitting mode, the width of a non-display area (an area B indicated in the figure) is reduced, the screen occupation ratio is improved, and the display effect is improved.
In addition, the area of the first optical adhesive layer can be increased after the first optical adhesive layer extends to the edge bending part, the reliability of structural bonding is improved, the first optical adhesive layer is also arranged in the area (such as an area Q in fig. 2) where the part of the edge bending part can be used for light display, light emitted by the display module can be ensured to be emitted after penetrating through the first optical adhesive layer and the cover glass, the brightness of the display area at each position of the display panel is approximately the same, and the brightness uniformity is ensured.
The display module assembly is flat display module assembly in this application embodiment, also shows that the module assembly is non-curved surface display module assembly, then the edge of display module assembly can not match with apron glass's marginal flexion, through the laminating of optical cement layer with marginal flexion. And adopt the first optical cement layer of the design of this application to adopt compressible material preparation, the display module assembly can extend to edge bending portion place region, realizes the at least part and the display area overlap of edge bending portion, and then during display panel shows, the partial region of edge bending portion also can the light-emitting display, can reduce the non-display area's of display panel width, promotes display effect.
Further, in an embodiment, fig. 3 is a schematic partial cross-sectional view of an alternative implementation manner of the display panel provided in the embodiment of the present application. As shown in fig. 3, the display panel further includes a functional structure layer 14 located on a side of the first optical adhesive layer 13 close to the display module 11, wherein the functional structure layer 14 is configured to increase a first distance H between the cover glass 12 and the display module 11, and a distance from the central portion 12Z to the display module 11 in a direction e perpendicular to the central portion 12Z is the first distance H. Increase functional structure layer in the embodiment of this application between first optical cement layer and display module assembly, functional structure layer can increase the first distance between glass cover plate and the display module assembly to increase the area that the display module assembly extends to edge bending portion direction, and then increase the area of edge bending portion and display area overlap, also can further reduce the width in non-display area, improved the screen and accounted for than, promoted display effect.
In the embodiment of the present application, the thicker the thickness of the functional structure layer 14 is, the larger the first distance H is, the larger the area of the edge bending portion overlapped with the display module is, so that the effect of reducing the width of the non-display area is more obvious. In practice, the thickness of the functional structure layer can be set according to the radian requirement of the edge bending part, so that at least part of the edge bending part is overlapped with the display area, and the width of the non-display area of the display panel is reduced.
In one embodiment, the functional structure layer 14 is a second optical adhesive layer. The optical adhesive layer has high light transmittance, basically has light transmittance of over 90 percent, and has strong bonding performance. The optical adhesive layer is adopted to manufacture the functional structure layer, and the functional structure layer is bonded with the display module without arranging an additional adhesive layer due to the bonding performance of the optical adhesive layer, so that the additional adhesive layer arrangement can be reduced, and the process is simplified. The functional structure layer in this embodiment is higher to the light transmittance, and the functional structure layer is very little to the influence of light transmittance when increasing the first distance between optical module and the cover glass.
Optionally, the second optical adhesive layer and the first optical adhesive layer are made of the same material, so that the process is simplified during manufacturing.
In an embodiment, as shown in fig. 4, fig. 4 is a schematic partial cross-sectional view of another alternative implementation of the display panel provided in the embodiments of the present application. The functional structure layer 14 extends out the edge of first optical cement layer 13 and forms first step T1, and first step T1 can suit with the shape of edge bending portion, and then the functional structure layer can be close to edge bending portion more for first optical cement layer to can increase the display module assembly under the functional structure layer and the overlapping area of edge bending portion, further increase the overlapping area of edge bending portion and display area, corresponding non-display area's that reduces display panel width.
With continued reference to the illustration in fig. 4, the display module 11 extends beyond the edge of the functional structure layer 14 to form a second step T2. The second step can also be adapted to the shape of edge bending portion, and the display module assembly can be closer to edge bending portion for the functional structure layer to can increase the overlapping area of display module assembly and edge bending portion, further increase the overlapping area of edge bending portion and display area, corresponding reduction display panel's non-display area's width.
In the embodiment of the present application, the display module may be a liquid crystal display module, as shown in fig. 5, and fig. 5 is a schematic partial cross-sectional view of another optional implementation manner of the display panel provided in the embodiment of the present application. The display module 11 includes an array substrate 111, a liquid crystal layer 112, and a color film substrate 113 arranged in sequence. The array substrate 111 includes a thin film transistor array, a pixel electrode layer, and a common electrode layer, and the color filter substrate 113 includes a black matrix and a color resist layer. The figure also shows a sealant J, the array substrate 111 and the color film substrate form an accommodating space through the sealant J, and the liquid crystal layer 112 is located in the accommodating space. The display module 11 further includes an upper polarizer P1 located on the side of the color filter substrate 113 away from the array substrate 111, and a lower polarizer P2 located on the side of the array substrate 111 away from the color filter substrate 113.
In the embodiment of the present application, the display module may be an organic light emitting display module, as shown in fig. 6, and fig. 6 is a schematic partial cross-sectional view of another optional implementation manner of the display panel provided in the embodiment of the present application. The display module 11 includes an array layer 114, a display layer 115 and an encapsulation structure 116, which are sequentially arranged, the display layer 115 includes a plurality of light emitting devices, which may be organic light emitting devices, and the light emitting devices include an anode, a light emitting layer and a cathode, which are sequentially stacked. The array layer 114 includes an array of thin film transistors. The encapsulation structure 116 covers and surrounds the display layer 115, and is used for encapsulating the light emitting device, isolating the damage of water and oxygen to the light emitting device, and ensuring the service life of the light emitting device. The package structure 116 may be a rigid package, including a package glass; the encapsulation structure 116 may also be a thin film encapsulation including at least one inorganic encapsulation layer and at least one organic encapsulation layer. The display module 11 further includes a circular polarizer P3 on a side of the package structure 116 away from the display layer 115.
In an embodiment, fig. 7 is a schematic cross-sectional view of another alternative implementation of the display panel provided in the embodiment of the present application. As shown in fig. 7, the cover glass 12 includes two edge bent portions 12B, and the central portion 12Z is located between the two edge bent portions 12B.
Fig. 5 to 7 are all illustrated by the display panel including the functional structure layer 14, and optionally, the display panel in the above embodiment may not be provided with the functional structure layer 14.
Based on the same inventive concept, an embodiment of the present application further provides a display device, and fig. 8 is a schematic view of the display device provided in the embodiment of the present application. The display device shown in fig. 8 includes the display panel 100 provided in any of the embodiments of the present application. The specific structure of the display panel 100 has been described in detail in the above embodiments, and is not described herein again. Of course, the display device shown in fig. 8 is only a schematic illustration, and the display device may be any electronic device with a display function, such as a mobile phone, a tablet computer, a notebook computer, an electronic book, or a television.
In an embodiment, the display device provided in the embodiment of the present application is a liquid crystal display device, and fig. 9 is a first schematic cross-sectional view of the display device provided in the embodiment of the present application. As shown in fig. 9, the display device includes a display panel and a backlight module 200, the display panel includes a display module 11, a cover glass 12, and a first optical adhesive layer 13, wherein the display module 11 includes: the liquid crystal display panel comprises an array substrate 111, a liquid crystal layer 112, a color film substrate 113, an upper polarizer P1 and a lower polarizer P2. The backlight module 200 includes a light source, a light guide plate, a reflective sheet, a diffusion sheet, and a prism sheet, which are not shown in the figure. The display panel also schematically comprises a functional structure layer 14. In another embodiment, no functional structure layer is disposed in the display panel, and the illustration of the functional structure layer is omitted here.
In another embodiment, the display device provided in the embodiment of the present application is an organic light emitting display device, and fig. 10 is a schematic cross-sectional view of the display device provided in the embodiment of the present application. As shown in fig. 10, the display device includes a display panel, the display panel includes a display module 11, a cover glass 12, and a first optical adhesive layer 13, wherein the display module 11 includes: array layer 114, display layer 115, package structure 116, circular polarizer P3; the display device further comprises a foam 15. The foam 15 protects the display panel on the back surface side thereof. The display panel also schematically comprises a functional structure layer 14. In another embodiment, no functional structure layer is disposed in the display panel, and the illustration of the functional structure layer is omitted here.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention. Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A display panel, comprising:
the display module comprises a display area and a non-display area surrounding the display area;
the cover plate glass is positioned on one side of the light emitting surface of the display module and comprises a central part and at least one edge bending part, and the edge bending part is bent from the central part to one side close to the display module;
the first optical adhesive layer is positioned between the display module and the cover plate glass, extends from the central part to the edge bending part and is made of a compressible material; wherein,
at least a portion of the edge bent portion overlaps the display area.
2. The display panel according to claim 1, characterized in that the display panel further comprises:
the functional structure layer is located on one side, close to the display module, of the first optical adhesive layer and used for increasing a first distance between the cover plate glass and the display module, wherein the distance between the central portion and the display module is the first distance in the direction perpendicular to the central portion.
3. The display panel according to claim 2,
the functional structure layer extends out of the edge of the first optical adhesive layer to form a first step.
4. The display panel according to claim 2,
the display module extends out of the edge of the functional structure layer to form a second step.
5. The display panel according to claim 2,
the functional structure layer is a second optical adhesive layer.
6. The display panel according to claim 5,
the second optical adhesive layer and the first optical adhesive layer are made of the same material.
7. The display panel according to claim 1,
the display module is a flat-panel display module.
8. The display panel according to claim 1,
the display module comprises an array substrate, a liquid crystal layer and a color film substrate which are sequentially arranged.
9. The display panel according to claim 1,
the display module assembly comprises an array layer, a display layer and an encapsulation structure which are sequentially arranged, wherein the display layer comprises a plurality of light-emitting devices.
10. A display device characterized by comprising the display panel according to any one of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010088068.5A CN113257112B (en) | 2020-02-12 | 2020-02-12 | Display panel and display device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010088068.5A CN113257112B (en) | 2020-02-12 | 2020-02-12 | Display panel and display device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112614429A (en) * | 2020-12-15 | 2021-04-06 | 合肥维信诺科技有限公司 | Display panel and display device |
| CN113099663A (en) * | 2021-04-08 | 2021-07-09 | 京东方科技集团股份有限公司 | Display module and display device |
| CN113589565A (en) * | 2020-04-30 | 2021-11-02 | 荣耀终端有限公司 | Display module and terminal |
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| US20170059917A1 (en) * | 2015-08-31 | 2017-03-02 | General Interface Solution Limited | Three dimensional curvature display apparatus and method for fabricating the same |
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| CN110517584A (en) * | 2019-09-02 | 2019-11-29 | 京东方科技集团股份有限公司 | The preparation method of display module, display device and display module |
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| CN113589565A (en) * | 2020-04-30 | 2021-11-02 | 荣耀终端有限公司 | Display module and terminal |
| CN112614429A (en) * | 2020-12-15 | 2021-04-06 | 合肥维信诺科技有限公司 | Display panel and display device |
| CN113099663A (en) * | 2021-04-08 | 2021-07-09 | 京东方科技集团股份有限公司 | Display module and display device |
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