CN111158186A - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
- Publication number
- CN111158186A CN111158186A CN202010142473.0A CN202010142473A CN111158186A CN 111158186 A CN111158186 A CN 111158186A CN 202010142473 A CN202010142473 A CN 202010142473A CN 111158186 A CN111158186 A CN 111158186A
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- China
- Prior art keywords
- light
- guide plate
- via hole
- light guide
- display panel
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- 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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133512—Light shielding layers, e.g. black matrix
Abstract
The application discloses display panel and display device, display panel includes: the backlight module comprises a light source and a light guide plate, the light source is arranged opposite to the light incident side of the light guide plate so that light generated by the light source is incident into the light guide plate, and a first through hole is formed in the side surface of the light guide plate; the display module assembly, the display module assembly includes the polaroid, and the polaroid setting is in the top of light guide plate, and the second via hole has been seted up to the side of polaroid corresponding first via hole's position, and the polaroid deviates from light guide plate side surface and has around the first shading area of second via hole, and the inner wall of first shading area and second via hole is equipped with first light shield layer. The display panel and the display device provided by the embodiment of the application set the light shielding layer through the inner wall of the second via hole on the polaroid and the first light shielding area around the second via hole, so that after light enters the polaroid, the light shielding layer can effectively shield the light, and the light leakage at the second via hole is prevented.
Description
Technical Field
The application relates to the technical field of display, in particular to a display panel and a display device.
Background
With the continuous development of display technology, the display technology is applied to mobile phones more and more widely, and a light source is provided for the integral picture display by using an LED lamp, and the assembly mode for providing the light source is called as a backlight module. The display panel comprises a backlight module and a display module for displaying pictures, and how to prevent light leakage at a picture taking hole in the display module in the process of assembling the display module with a camera is more and more thought.
Disclosure of Invention
The embodiment of the application provides a display panel and display device, aim at solving among the display module assembly under the prior art, the phenomenon of light leak can appear in camera hole department.
In a first aspect, the present application provides a display panel comprising:
the backlight module comprises a light source and a light guide plate, the light source is arranged opposite to the light incident side of the light guide plate so that light generated by the light source enters the light guide plate, and a first through hole is formed in the side surface of the light guide plate;
the display module assembly, the display module assembly includes the polaroid, the polaroid sets up the top of light guide plate, the side of polaroid corresponds the second via hole has been seted up to the position of first via hole, the polaroid deviates from light guide plate side surface has around the first shading district of second via hole, first shading district reaches the inner wall of second via hole is equipped with first light shield layer.
Further, one side of the polarizer, which faces the light guide plate, is provided with an overlapping region overlapping with the first via hole, and the second via hole is located in the overlapping region.
Further, the diameter of the first via is greater than or equal to the diameter of the second via.
Further, the first light shielding layer is a black adhesive tape, or the first light shielding layer is black ink coated on the inner walls of the first light shielding region and the second via hole.
Furthermore, the second light shielding layer is arranged on one side, facing the light guide plate, of the polarizer and surrounds the second via hole.
Furthermore, the second light shielding layer is made of light shielding glue adhered to the surface of one side, facing the light guide plate, of the polarizer.
Further, the display panel further includes: the black glue is arranged on the inner wall of the first through hole and the surface of the polaroid overlapped with the first through hole.
Furthermore, the backlight module further comprises a back plate, the light source and the light guide plate are mounted on the back plate, and the back plate is connected with the display module to support the display module.
Furthermore, the light source is arranged on one side of the light guide plate, which is far away from the first via hole, and is opposite to the side surface of the light guide plate.
In a second aspect, the present application provides a display device comprising a display panel as defined in any one of the above, the display panel comprising:
the backlight module comprises a light source and a light guide plate, the light source is arranged opposite to the light incident side of the light guide plate so that light generated by the light source enters the light guide plate, and a first through hole is formed in the side surface of the light guide plate;
the display module assembly, the display module assembly includes the polaroid, the polaroid sets up the top of light guide plate, the side of polaroid corresponds the second via hole has been seted up to the position of first via hole, the polaroid deviates from light guide plate side surface has around the first shading district of second via hole, first shading district reaches the inner wall of second via hole is equipped with first light shield layer.
The display panel and the display device provided by the embodiment of the application have the advantages that the second through hole is formed in the side face of the polaroid, the first shading area surrounding the second through hole is formed in the surface, deviating from the light guide plate, of one side of the polaroid, and the first shading layer is arranged in the first shading area and the second through hole. The light shading layer is arranged on the inner wall of the second through hole in the polaroid and the first shading area surrounding the second through hole, so that after light enters the polaroid, the light shading layer on the inner wall of the second through hole and the periphery of the second through hole can effectively shade the light, and light leakage at the position of the second through hole is prevented.
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 structural diagram of a display panel according to an embodiment of the present invention;
fig. 2 is a partially enlarged schematic view of the display panel at the first via hole and the second via hole according to the present 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. 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.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of a display panel according to the present invention, in some embodiments of the present invention, the display panel 10 may include:
the backlight module 11 includes a light source 110 and a light guide plate 111, the light source 110 and the light incident side of the light guide plate 111 are disposed opposite to each other, so that light generated by the light source 110 is incident into the light guide plate 111, and a first via hole 112 is formed in a side surface of the light guide plate 111.
The display module 12, the display module 12 includes a polarizer 120, the polarizer 120 is disposed above the light guide plate 111, a second via hole 121 is disposed on a side surface of the polarizer 120 corresponding to the first via hole 112, a first shading area surrounding the second via hole 121 is disposed on a side surface of the polarizer 120 departing from the light guide plate 111, and a first shading layer 122 is disposed inside the first shading area and the second via hole 121.
The display panel that this application embodiment provided has seted up the second via hole in the side of polaroid, and deviates from a side surface of light guide plate on the polaroid and has around the first shading district of second via hole, sets up first light shield layer in the inside of first shading district and second via hole. The light shading layer is arranged on the inner wall of the second through hole in the polaroid and the first shading area surrounding the second through hole, so that after light enters the polaroid, the light shading layer on the inner wall of the second through hole and the periphery of the second through hole can effectively shade the light, and light leakage at the position of the second through hole is prevented.
In some embodiments of the present invention, the light source 110 in the backlight module 11 and the light incident side of the light guide plate 111 are disposed opposite to each other, and light emitted from the light source 110 passes through the light guide plate 111 and then becomes a surface light source, and then reaches the display module 12 through other components in the backlight module, so as to provide light source for the display module 12. The first via hole 112 and the second via hole 121 may be via holes provided corresponding to the cameras. Specifically, the light source 110 may be disposed on a side of the light guide plate 111 away from the first via hole 112, and disposed opposite to a side surface of the light guide plate 111. That is, the light source 110 may be disposed on the left and right sides of the light guide plate 111, and light emitted from the light source 110 may enter the light guide plate 111 from the left and right sides of the light guide plate 111, that is, the backlight module may be a side-in type backlight module.
In other embodiments of the present invention, the light source 110 may be disposed at one side below the light guide plate 111, and the light from the light source 110 is emitted and then enters the light guide plate 111 from below the light guide plate 111, i.e., the backlight module may be a direct-type backlight module.
In the above embodiments, the light source 110 and the light guide plate 111 may be attached to each other. Specifically, the light source 110 may be soldered on a Flexible Printed Circuit (FPC), and then attached to the light guide plate 111 by double-sided adhesive, so that the light source 110 and the light guide plate 111 are attached to each other.
On the basis of any of the above embodiments, the backlight module 11 may further include a reflective member 113, where the reflective member 113 includes a reflective surface, and the reflective member 113 is located on one side of the light guide plate 111, and the reflective surface is directed to the light incident side of the light guide plate 111.
In any of the above embodiments, the side surface of the light guide plate 111 is further provided with a first via hole 112, the polarizer 120 is disposed above the light guide plate 111, a second via hole 121 is further formed on the side surface of the polarizer 120 and at a position corresponding to the first via hole 112, the polarizer 120 is further provided with a first light shielding region at a position deviating from the side surface of the light guide plate 111 and surrounding the second via hole 121, and a first light shielding layer 122 is further disposed inside the first light shielding region and the second via hole 121.
On the basis of any of the above embodiments, the side of the polarizer 120 facing the light guide plate 111 has an area overlapping with the first via hole 112, and the second via hole 121 is located in the overlapping area, so that the light can be completely emitted from the second via hole 121 after passing through the first via hole 112, thereby improving the transmittance of the light.
Specifically, the first via 112 may completely cover the second via 121, and preferably, the diameter of the first via 112 may be greater than or equal to the diameter of the second via 121. I.e., the polarizer 120 may extend beyond the first via 112.
On the basis of the above embodiments, the shapes of the first via 112 and the second via 121 may be circular, oval, rectangular, or the like, and are not limited herein.
As shown in fig. 2, which is a partially enlarged schematic view of the display panel provided by the present invention at the first via hole and the second via hole, in some embodiments of the present invention, the second via hole 121 is disposed on the polarizer 120, and the first light-shielding region is a portion of the surface of the polarizer 120 away from the light guide plate 111.
The first light shielding layer 122 is disposed on an inner wall of the second via hole 121 and a first light shielding region disposed on the polarizer 120 and surrounding the second via hole 121. The first light shielding layer 122 may be a black tape, or a black ink coated inside the first light shielding region and the second via hole 121. The thickness of the black ink can reach 10 mu m, the thickness is very low, and the ink coating is convenient, so that the problem that in the prior art, the backlight reliability is reduced due to the fact that the glue dispensing height at the position of the polarizer 120 is not enough to cause light leakage and the glue dispensing height is ultrahigh and the backlight is caused after solidification in the prior art can be effectively solved. When light enters the polarizer 120, the light shielding layers in the first light shielding region and the inner wall of the second via hole 121 can effectively shield and prevent light leakage.
Specifically, since the diameter of the first via hole 112 may be greater than or equal to the diameter of the second via hole 121, that is, the polarizer 120 may exceed the first via hole 112; the first light shielding layer 122 is arranged on the inner walls of the first light shielding region and the second via hole 121, so that after the light is emitted from the polarizer 120, a part of the light is emitted into the polarizer 120 beyond the first via hole 112 due to the part of the polarizer 120 beyond the first via hole 112; and because the first shading area and the second via hole 121 are provided with the shading layer, the part of light can be shaded and can not be emitted, so that the light leakage is effectively prevented.
In some embodiments of the present invention, the display panel further includes a second light shielding layer 123, the second light shielding layer 123 is disposed on the polarizer 120 at a side facing the light guide plate 111, and the second light shielding layer 123 is disposed around the second via hole 121.
In the above embodiment, the first light shielding layer 122 is disposed on a side of the polarizer 120 away from the light guide plate 111 and an inner wall of the second via hole 121, and the second light shielding layer 123 is disposed on a side of the polarizer 120 close to the light guide plate 111. The second light-shielding layer 123 is disposed to better prevent light from leaking from the contact area between the light guide plate 111 and the polarizer 120.
Specifically, the second light shielding layer 123 may be a light shielding adhesive, the second light shielding layer 123 is disposed on the polarizer 120 and faces one side surface of the light guide plate 111, and the second light shielding layer 123 may be adhered to the polarizer 120.
Referring to fig. 2, in another embodiment of the display panel provided by the present invention, the display panel may further include a black glue 124, where the black glue 124 is disposed on an inner wall of the first via hole 112, and a surface of the polarizer 120 overlapping the first via hole 112.
Specifically, a part of the black glue 124 and the polarizer 120 exceed the part of the first via hole 112, so that the connection area between the black glue 124 and the polarizer 120 is larger, the black glue 124 is not easy to fall off, and the stability of the module in the display panel is effectively improved.
In an embodiment of the present invention, the display panel may further include a back plate 13, and the light source 110 and the light guide plate 111 may be mounted on the back plate 13. Specifically, the back plate 13 may have a structure with a groove, and the backlight module and the display module are both disposed in the groove; or only the backlight module is arranged in the groove.
In the above embodiment, the back plate 13 may be a rubber-iron integrated frame.
The present invention also provides a display device comprising the display panel as described above, the display panel 10 may comprise:
the backlight module 11 includes a light source 110 and a light guide plate 111, the light source 110 and the light incident side of the light guide plate 111 are disposed opposite to each other, so that light generated by the light source 110 is incident into the light guide plate 111, and a first via hole 112 is formed in a side surface of the light guide plate 111.
The display module 12, the display module 12 includes a polarizer 120, the polarizer 120 is disposed above the light guide plate 111, a second via hole 121 is disposed on a side surface of the polarizer 120 corresponding to the first via hole 112, a first shading area surrounding the second via hole 121 is disposed on a side surface of the polarizer 120 departing from the light guide plate 111, and a first shading layer 122 is disposed inside the first shading area and the second via hole 121.
The display device that this application embodiment provided has seted up the second via hole in the side of polaroid, and deviates from a side surface of light guide plate on the polaroid and has around the first shading district of second via hole, sets up first light shield layer in the inside of first shading district and second via hole. The light shading layer is arranged on the inner wall of the second through hole in the polaroid and the first shading area surrounding the second through hole, so that after light enters the polaroid, the light shading layer on the inner wall of the second through hole and the periphery of the second through hole can effectively shade the light, and light leakage at the position of the second through hole is prevented.
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 embodiments of the present application are described in detail above, and the principle and the implementation of the present application are explained in the present application by applying specific examples, and the description of the embodiments above 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, comprising:
the backlight module comprises a light source and a light guide plate, the light source is arranged opposite to the light incident side of the light guide plate so that light generated by the light source enters the light guide plate, and a first through hole is formed in the side surface of the light guide plate;
the display module assembly, the display module assembly includes the polaroid, the polaroid sets up the top of light guide plate, the side of polaroid corresponds the second via hole has been seted up to the position of first via hole, the polaroid deviates from light guide plate side surface has around the first shading district of second via hole, first shading district reaches the inner wall of second via hole is equipped with first light shield layer.
2. The display panel according to claim 1, wherein a side of the polarizer facing the light guide plate has an overlapping region overlapping with the first via hole, and the second via hole is located in the overlapping region.
3. The display panel according to claim 2, wherein a diameter of the first via is greater than or equal to a diameter of the second via.
4. The display panel according to claim 1, wherein the first light shielding layer is a black tape, or the first light shielding layer is black ink coated on the first light shielding region and the inner wall of the second via hole.
5. The display panel of claim 1, further comprising a second light shielding layer disposed on a side of the polarizer facing the light guide plate, wherein the light shielding layer surrounds the second via hole.
6. The display panel according to claim 5, wherein the second light shielding layer is a light shielding adhesive adhered to a surface of the polarizer facing the light guide plate.
7. The display panel according to claim 2, wherein the display panel further comprises a black glue, the black glue is disposed on an inner wall of the first via hole, and a surface of the polarizer overlapping the first via hole.
8. The display panel of claim 1, wherein the backlight module further comprises a back plate, the light source and the light guide plate are mounted on the back plate, and the back plate is connected with the display module to support the display module.
9. The display panel according to claim 8, wherein the light source is disposed on a side of the light guide plate away from the first via hole and opposite to a side surface of the light guide plate.
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 |
|---|---|---|---|
| CN202010142473.0A CN111158186A (en) | 2020-03-04 | 2020-03-04 | Display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010142473.0A CN111158186A (en) | 2020-03-04 | 2020-03-04 | Display panel and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111158186A true CN111158186A (en) | 2020-05-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010142473.0A Pending CN111158186A (en) | 2020-03-04 | 2020-03-04 | Display panel and display device |
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| CN (1) | CN111158186A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113641040A (en) * | 2021-08-03 | 2021-11-12 | 武汉华星光电技术有限公司 | Display module and display device |
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| CN108628043A (en) * | 2018-06-22 | 2018-10-09 | Oppo广东移动通信有限公司 | screen assembly and electronic device |
| CN108681131A (en) * | 2018-07-27 | 2018-10-19 | 厦门天马微电子有限公司 | Display device |
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Application publication date: 20200515 |