CN213958436U - Display device and display terminal - Google Patents
Display device and display terminal Download PDFInfo
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- CN213958436U CN213958436U CN202022992644.7U CN202022992644U CN213958436U CN 213958436 U CN213958436 U CN 213958436U CN 202022992644 U CN202022992644 U CN 202022992644U CN 213958436 U CN213958436 U CN 213958436U
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Abstract
The utility model provides a display device and a display terminal, wherein the display device comprises a display panel, a first optical adhesive layer, a touch panel, a second optical adhesive layer and a cover plate which are arranged in a laminated manner; the display device is provided with a light-transmitting through hole penetrating through the display panel and the touch panel; the display device further comprises a first shading layer, a second shading layer and a third shading layer, wherein the light-transmitting through hole penetrates through the first shading layer, the second shading layer and the third shading layer, orthographic projections of the first shading layer and the third shading layer on the cover plate are partially overlapped to form an overlapped area, and orthographic projections of the second shading layer on the cover plate are located in the overlapped area; the width of one side of the second shielding layer is not less than 0.5 μm along the radial direction of the light-transmitting through hole. This display device sets up the three-layer light shield layer simultaneously through the axial at the printing opacity through-hole, utilizes the overlap relation of three-layer light shield layer and the cooperation of the unilateral width of second light shield layer, improves the light leak of outside large visual angle light leak and inside influence to the camera effect of shooing simultaneously, optimizes user experience and grade.
Description
Technical Field
The application relates to the field of display, in particular to a display device and a display terminal.
Background
In recent years, the screen occupation ratio is gradually increased to become the mainstream direction of screen design, and the market has higher and higher requirements on the screen occupation ratio from Notch (Notch) screens, water drop screens to hole digging screens. At present, a hole digging screen (a display area (AA area) is punched to place a front camera) becomes a popular trend, and a Notch screen and a water drop screen are gradually replaced because the hole digging screen has the advantages of improving screen occupation ratio, improving screen appearance and the like.
However, the dug-hole screen also has some disadvantages, the most common problem is light leakage; the light leakage is divided into external large-viewing-angle light leakage and internal light leakage which affects the camera shooting effect. Light leakage at a large external visual angle, namely, when a user observes the AA area camera hole after the visual angle is larger than 45 degrees, the side wall of the hole is seen to have annular brightness, so that the user experience and the grade are influenced; inside light leak to the camera influence, the light source that the hole lateral wall spills promptly can cause the influence to the camera quality of shooing, also can reduce user's use experience equally.
SUMMERY OF THE UTILITY MODEL
In order to overcome one of the technical problems mentioned in the above technical background, the embodiment of the present invention provides a display device and a display terminal, so as to improve the problem of light leakage of a hole-digging screen.
According to a first aspect of the present invention, there is provided a display device, comprising a display panel, a touch panel and a cover plate which are stacked, and a first optical adhesive layer disposed between the display panel and the touch panel, and a second optical adhesive layer disposed between the touch panel and the cover plate; the display device is provided with a light-transmitting through hole penetrating through the display panel and the touch panel;
the display device further includes:
the display panel is provided with a first light shielding layer, the first light shielding layer is arranged in the first through hole, and the light-transmitting through hole penetrates through the first light shielding layer;
the touch panel is provided with a second through hole, the second light shielding layer is arranged in the second through hole, and the light-transmitting through hole penetrates through the second light shielding layer;
the third light shielding layer is arranged on one side, close to the touch panel, of the cover plate, and is provided with a third through hole, and the third through hole and the light-transmitting through hole are concentrically arranged;
the orthographic projection parts of the first shading layer and the third shading layer on the cover plate are overlapped to form an overlapping area, and the orthographic projection of the second shading layer on the cover plate is located in the overlapping area; and the width of one side of the second shielding layer is not less than 0.5 μm along the radial direction of the light-transmitting through hole.
In one embodiment, the width of the second shielding layer on one side is 0.5 μm to 0.8 μm in the radial direction of the light-transmitting through hole.
In one embodiment, the width of the second light shielding layer is not less than 4/5 of the width of the overlapping region in the radial direction of the light transmitting through hole.
In one embodiment, an orthographic projection of the second light shielding layer on the cover plate completely overlaps with the overlapping region.
In one embodiment, the total width of the first light shielding layer is 1.2 to 1.5 times the width of the overlapping region in the radial direction of the light transmitting through hole.
In one embodiment, the total width of the third light shielding layer is 1.2 to 1.5 times the width of the overlapping region in the radial direction along the radial direction of the light transmitting through hole.
In one embodiment, the third light-shielding layer is a black ink layer, the second light-shielding layer is a black matrix layer, and the first light-shielding layer is a black tape.
In one embodiment, the display device further includes a polarizer, the polarizer is located between the touch panel and the second optical adhesive layer, and the light-transmitting through hole penetrates through the polarizer.
In an embodiment, the display device further includes a protective layer and a supporting layer, which are stacked, where the protective layer and the supporting layer are located on a side of the display panel facing away from the touch panel, and the light-transmitting through hole penetrates through the protective layer and the supporting layer.
According to another aspect of the present invention, there is provided a display terminal, the display terminal comprising a housing, the display device of the present invention, and a camera device; the display device is assembled on the shell, the display surface of the display device is exposed outside the shell, the camera device is positioned in the shell, and the camera device corresponds to the light-transmitting through hole in the display device.
The utility model discloses above-mentioned display device and display terminal sets up three-layer light shield layer simultaneously through the axial at the printing opacity through-hole for the orthographic projection part of first light shield layer and third light shield layer on the apron overlaps and forms the overlap region, the orthographic projection of second light shield layer at the apron is located in the overlap region; along the radial direction of printing opacity through-hole, the unilateral width of second shielding layer is not less than 0.5 mu m, utilizes the overlapping relation of three-layer light shield layer and the cooperation of the unilateral width of second light shield layer, improves the light leak of outside large visual angle light leak and the light leak of inside influence to the camera effect of shooing simultaneously, optimizes user experience and taste.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 is a schematic structural diagram of a display device according to an embodiment;
fig. 2 is a schematic diagram of a partial enlarged structure of a display device according to an embodiment;
fig. 3 is a schematic partial cross-sectional structural diagram of a display device according to an embodiment.
Description of reference numerals: the touch display panel comprises a cover plate 1, a light-transmitting through hole 11, a flash lamp through hole 12, a display panel 2, a touch panel 3, a first optical adhesive layer 41, a second optical adhesive layer 42, a first shading layer 51, a second shading layer 52, a third shading layer 53, a polarizer 6 and a supporting layer 7.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, 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 some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
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.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
As mentioned in the background section, a hole-digging screen has become a popular trend, wherein the hole-digging screen is to form a light-transmitting through hole (camera hole) in the display area (AA area) of the display device and to dispose a photosensitive device (camera device) below the light-transmitting through hole. The hole digging screen also has some disadvantages, and the most common problem is light leakage; the light leakage is divided into external large-viewing-angle light leakage and internal light leakage which affects the camera shooting effect. Light leakage at a large external visual angle, namely, when a user observes the AA area camera hole after the visual angle is larger than 45 degrees, the side wall of the hole is seen to have annular brightness, so that the user experience and the grade are influenced; inside light leak to the camera influence, the light source that the hole lateral wall spills promptly can cause the influence to the camera quality of shooing, also can reduce user's use experience equally.
To this end, the present invention provides a display device, which includes a display panel, a touch panel, and a cover plate, which are stacked, and a first optical adhesive layer disposed between the display panel and the touch panel, and a second optical adhesive layer disposed between the touch panel and the cover plate; the display device is provided with a light-transmitting through hole penetrating through the display panel and the touch panel.
Fig. 1 is a schematic structural diagram of a display device according to an embodiment, as shown in fig. 1, a light-transmitting through hole 11 is formed in the display device (cover plate 1), and the light-transmitting through hole 11 may be disposed at an edge of a top of the display device, and may be located at one end of the top edge, for example, a left end shown in fig. 1, or a right end, or of course, may be a middle of the top edge. The number of the light-transmitting through holes formed in the display device is not limited, and may be one, two, or even three or four. Fig. 2 is a partially enlarged structural diagram of a display device according to an embodiment, and fig. 2 shows a structure in which two light-transmitting through holes 11 are provided in the display device (cover plate 1), and a strobe through hole 12 is provided between the two light-transmitting through holes 11.
Fig. 3 is a schematic partial cross-sectional structural diagram of a display device according to an embodiment, as shown in fig. 3, the display device includes: the display panel 2, the touch panel 3 and the cover plate 1 are arranged in a stacked mode, the first optical adhesive layer 41 is arranged between the display panel 2 and the touch panel 3, and the second optical adhesive layer 42 is arranged between the touch panel 2 and the cover plate 1; the display device is provided with a light-transmitting through hole penetrating through the display panel and the touch panel. In this display device, in order to increase the transmittance of the light-transmitting through-hole, the light-transmitting through-hole also penetrates the first optical adhesive layer 41 and the second optical adhesive layer 42.
As further shown in fig. 3, the display device further includes: a first light-shielding layer 51, a second light-shielding layer 52, and a third light-shielding layer 53; a first through hole is formed in the display panel 2, the first light shielding layer 51 is disposed in the first through hole, and the light-transmitting through hole penetrates through the first light shielding layer 51. A second through hole is formed in the touch panel 3, the second light shielding layer 52 is arranged in the second through hole, and the light-transmitting through hole penetrates through the second light shielding layer 52; the third light shielding layer 53 is arranged on one side of the cover plate 1 close to the touch panel 2, the third light shielding layer is provided with a third through hole, the third through hole and the light-transmitting through hole are concentrically arranged, and the orthographic projection of the third through hole on the cover plate 1 falls within the orthographic projection range of the light-transmitting through hole on the cover plate 1; wherein, the orthographic projection parts of the first shading layer 51 and the third shading layer 53 on the cover plate 1 are overlapped to form an overlapping area, and the orthographic projection of the second shading layer 52 on the cover plate is positioned in the overlapping area; and the width of one side of the second shielding layer is not less than 0.5 μm along the radial direction of the light-transmitting through hole.
In the display device, three light shielding layers are simultaneously arranged in the axial direction of the light-transmitting through hole, so that orthographic projections of the first light shielding layer and the third light shielding layer on the cover plate are overlapped to form an overlapped area, and orthographic projections of the second light shielding layer on the cover plate are positioned in the overlapped area; the width of one side of the second shielding layer is not less than 0.5 μm along the radial direction of the light-transmitting through hole, and preferably ranges from 0.5 μm to 0.8 μm along the radial direction of the light-transmitting through hole, and may be, for example, 0.5 μm, 0.6 μm, 0.7 μm, or 0.8 μm. The overlapping relation of the three light shielding layers and the matching of the width of the single side of the second light shielding layer are utilized, meanwhile, the light leakage of the influence of the external large-visual-angle light leakage and the internal large-visual-angle light leakage on the camera shooting effect is improved, and the user experience and the grade are optimized.
In one embodiment, the width of the second light shielding layer 52 is not less than 4/5 of the width of the overlapping region in the radial direction of the light transmitting through hole. Preferably, the second shading layer 52 completely overlaps with the overlapping region in the orthographic projection of the cover plate 1. By controlling the ratio of the width of the second shading layer to the width of the overlapping area, the frame size of the light-transmitting through hole is favorably reduced, the screen occupation ratio is increased, and the customer experience is optimized. The second light shielding layer and the touch panel 3 are arranged on the same layer, and the second light shielding layer is arranged at the second through hole of the touch panel 3, so that the large-visual-angle light leakage can be improved, and the photographing quality of the front camera can be improved. The second light-shielding layer may be a Black Matrix (BM) material layer.
In an embodiment, the total width of the first light shielding layer 51 is 1.2-1.5 times, for example, 1.2 times, 1.3 times, 1.35 times, 1.37 times, 1.4 times, 1.5 times the width of the overlapping region along the radial direction of the light-transmitting through hole. Through the total width of the first light shield layer of control, be favorable to weakening the light path light of back hole lateral wall light leak is lighted in AA district, reduce the light source that the hole lateral wall spills and can cause the influence to the camera quality of shooing, promote and be used for using experience. The first light shielding layer 51 may be a black tape (mylar) attached to the surface of the first optical adhesive 41 and located in the first through hole of the display panel 2, and the black tape may include a matte black coating layer, a PET substrate, and an acrylic adhesive layer, which are stacked, and the black tape may be any commercially available product.
In an embodiment, the total width of the third light shielding layer 53 is 1.2-1.5 times, for example, 1.2 times, 1.3 times, 1.35 times, 1.37 times, 1.4 times, 1.5 times, the width of the overlapping region along the radial direction of the light transmitting through hole. Wherein the third light shield layer can be brown printing ink layer, and black printing ink layer can shelter from the structure of apron below, promotes display device surface aesthetic measure, promotes the user and uses the impression.
As further shown in fig. 3, the display device further includes a polarizer 6, the polarizer 6 is located between the touch panel 3 and the second optical adhesive layer 42, and the light-transmitting through hole penetrates through the polarizer. This polaroid covers touch panel 3, covers second light shield layer 52 simultaneously, so be provided with and do benefit to better form and shelter from the structure, avoid external environment light to camera device's influence.
As further shown in fig. 3, the display device further includes a supporting layer 7 and a protective layer (not shown in the figure) stacked together, where the supporting layer is located on a side of the display panel 2 facing away from the touch panel 3, the protective layer is located on a side of the supporting layer 7 facing away from the display panel 2, and the light-transmitting through hole penetrates through the protective layer and the supporting layer.
Meanwhile, the utility model further provides a display terminal, which comprises a shell, the display device of the utility model and a camera device; the display device is assembled on the shell, the display surface of the display device is exposed outside the shell, the camera device is located in the shell, and the camera device corresponds to the light-transmitting through hole in the display device. The camera device can have a photographing function, a camera shooting function, a monitoring function and the like.
The utility model discloses in, display terminal can be any one in notebook computer, cell-phone, flat board, the on-vehicle display screen, the game machine.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. The display device is characterized by comprising a display panel, a touch panel and a cover plate which are arranged in a laminated mode, a first optical adhesive layer arranged between the display panel and the touch panel, and a second optical adhesive layer arranged between the touch panel and the cover plate; the display device is provided with a light-transmitting through hole penetrating through the display panel and the touch panel;
the display device further includes:
the display panel is provided with a first light shielding layer, the first light shielding layer is arranged in the first through hole, and the light-transmitting through hole penetrates through the first light shielding layer;
the touch panel is provided with a second through hole, the second light shielding layer is arranged in the second through hole, and the light-transmitting through hole penetrates through the second light shielding layer;
the third light shielding layer is arranged on one side, close to the touch panel, of the cover plate, and is provided with a third through hole, and the third through hole and the light-transmitting through hole are concentrically arranged;
the orthographic projection parts of the first shading layer and the third shading layer on the cover plate are overlapped to form an overlapping area, and the orthographic projection of the second shading layer on the cover plate is located in the overlapping area; and the width of one side of the second shading layer is not less than 0.5 mu m along the radial direction of the light-transmitting through hole.
2. The display device according to claim 1, wherein a width of the second light shielding layer on one side in a radial direction of the light transmitting through hole is 0.5 μm to 0.8 μm.
3. The display device according to claim 1, wherein the width of the second light shielding layer is not less than 4/5 of the width of the overlapping region in a radial direction of the light-transmitting through hole.
4. A display device according to any one of claims 1 to 3, wherein the second light-shielding layer completely overlaps the overlap region in an orthographic projection of the cover plate.
5. The display device according to any one of claims 1 to 3, wherein the total width of the first light shielding layers is 1.2 to 1.5 times the width of the overlapping region in a radial direction of the light transmitting through hole.
6. A display device according to any one of claims 1 to 3, wherein the total width of the third light shielding layer is 1.2 to 1.5 times the width of the overlapping region in the radial direction of the light transmitting through hole.
7. The display device according to any one of claims 1 to 3, wherein the third light-shielding layer is a black ink layer, the second light-shielding layer is a black matrix layer, and the first light-shielding layer is a black tape.
8. The display device according to any one of claims 1 to 3, further comprising a polarizer, wherein the polarizer is located between the touch panel and the second optical adhesive layer, and the light-transmitting through hole penetrates through the polarizer.
9. The display device according to any one of claims 1 to 3, further comprising a protective layer and a support layer stacked on each other, wherein the protective layer and the support layer are located on a side of the display panel facing away from the touch panel, and the light-transmitting through hole penetrates through the protective layer and the support layer.
10. A display terminal, characterized in that it comprises a housing, a display device according to any one of claims 1-9, and a camera device; the display device is assembled on the shell, the display surface of the display device is exposed outside the shell, the camera device is located in the shell, and the camera device corresponds to the light-transmitting through hole in the display device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022992644.7U CN213958436U (en) | 2020-12-14 | 2020-12-14 | Display device and display terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022992644.7U CN213958436U (en) | 2020-12-14 | 2020-12-14 | Display device and display terminal |
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| CN213958436U true CN213958436U (en) | 2021-08-13 |
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| CN202022992644.7U Active CN213958436U (en) | 2020-12-14 | 2020-12-14 | Display device and display terminal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114023188A (en) * | 2021-10-27 | 2022-02-08 | 广州国显科技有限公司 | Flexible display module and flexible display device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114023188A (en) * | 2021-10-27 | 2022-02-08 | 广州国显科技有限公司 | Flexible display module and flexible display device |
| CN114023188B (en) * | 2021-10-27 | 2023-10-20 | 广州国显科技有限公司 | Flexible display module and flexible display device |
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