CN215526287U - Display device and terminal equipment - Google Patents
Display device and terminal equipment Download PDFInfo
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- CN215526287U CN215526287U CN202121142295.8U CN202121142295U CN215526287U CN 215526287 U CN215526287 U CN 215526287U CN 202121142295 U CN202121142295 U CN 202121142295U CN 215526287 U CN215526287 U CN 215526287U
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Abstract
The application is suitable for and shows technical field, provides a display device and terminal equipment, and display device includes display module assembly, cover plate glass, backlight unit and viscose piece. The display module comprises a lower polaroid, a liquid crystal panel and an upper polaroid which are sequentially stacked from bottom to top, cover plate glass covers and is attached to the upper polaroid and forms an edge part, the backlight module is arranged on one side of the lower polaroid, which is far away from the color film substrate, the adhesive sheet is adhered to the edge of the backlight module along the circumferential direction of the backlight module, an extension part extends from the side end of the adhesive sheet, which faces the cover plate glass, and the extension part extends towards the direction far away from the upper polaroid and is adhered to the edge part of the cover plate glass; the display module and the cover plate glass are adhered into a whole, one part of the adhesive sheet is adhered to the backlight module, the side end of the adhesive sheet is adhered to the edge part of the cover plate glass, and the adhering effect is stable.
Description
Technical Field
The application belongs to the technical field of display equipment, and particularly relates to a display device and terminal equipment.
Background
The narrow frame improves the visual broadness of the user, so that the user can experience better film watching effect, and the display device with the narrow frame is more and more popular with the users. Generally, when assembling a display device, the display module is covered on the backlight module, the edge of the display module is covered with the adhesive film, and then the glass cover plate is covered on the display module and the adhesive film, and the cover plate glass can be attached to the display module by the adhesive film.
The existing display module includes the lower polaroid that sets gradually on backlight unit, TFT (Thin Film Transistor) base plate, CF (color filter) base plate and last polaroid, based on the needs of the oblique pasting process of last polaroid, when going up the polaroid and attaching, the edge of going up the polaroid needs to keep certain interval with the display area, the edge of CF base plate is located to the bonding Film lid, and the bonding Film ring locates around the last polaroid, when reducing display device's frame, the edge of CF base plate is close or with the edge coincidence of last polaroid, go up the whole CF base plate of polaroid subsides like this, the attached position of Film has not been bonded, lead to the display module, backlight unit and the problem that the apron glass three appears droing because of pasting the jail.
SUMMERY OF THE UTILITY MODEL
An object of the application is to provide a display device and a terminal device, aiming at solving the technical problem that the frame of the existing display device is reduced to influence the setting position of a bonding film.
The present application is achieved as a display device, comprising:
the display module comprises a lower polarizer, a liquid crystal panel and an upper polarizer which are sequentially stacked from bottom to top;
a cover glass covering and attached to the upper polarizer and forming an edge portion;
the backlight module is arranged on one side of the lower polarizer, which is far away from the liquid crystal panel, and supports the display module; and
the adhesive sheet is adhered to the edge of the backlight module along the circumferential direction of the backlight module, an extending part extends from the side end of the adhesive sheet facing the cover plate glass, and the extending part extends in the direction away from the upper polaroid and is adhered to the edge part.
In one embodiment, the sticker comprises:
the connecting part is arranged on one side of the backlight module, which is far away from the lower polarizer; and
the fixing part is bent and extended from one side of the connecting part towards the direction of the backlight module, the fixing part is adhered to the edge of the backlight module, and the extending part is arranged at the side end, facing the cover plate glass, of the fixing part. In one embodiment, the backlight module includes backplate, reflector plate and the optics diaphragm that sets gradually from bottom to top, the backlight module still includes:
the rubber frame is arranged around the reflector plate and the optical diaphragm in a surrounding mode, the edge of the back plate is inserted into the rubber frame, the end portion of the rubber frame abuts against the liquid crystal panel, and the outer side wall of the rubber frame is adhered to the adhesive sheet.
In one embodiment, the back plate comprises:
the first body part is arranged on one side of the reflecting sheet, which is far away from the optical diaphragm; and
the first inserting part is bent and extended from one side of the first body part towards the direction of the rubber frame, and the first inserting part is inserted into the rubber frame.
In one embodiment, the distance between the edge of the upper polarizer and the corresponding edge of the display area of the display device is 1-1.3 mm; and the distance between the outer side wall of the rubber frame and the edge of the display area of the corresponding display device is 1-1.5 mm.
In one embodiment, the backlight module comprises a back plate, a reflector plate and an optical diaphragm which are sequentially arranged from bottom to top, one side end of the back plate extends towards the cover plate glass and then abuts against the cover plate glass to support the glass substrate, and the outer side wall of the back plate is adhered to the adhesive sheet.
In one embodiment, the back plate comprises:
the second body part is arranged on one side of the reflecting sheet, which is far away from the optical diaphragm; and
and the second supporting part is bent and extended from one side of the second body part towards the direction of the cover plate glass, the second supporting part is abutted against the edge part, and the outer side wall of the second supporting part is adhered to the adhesive sheet.
In one embodiment, the edge of the display module abuts against the inner side wall of the second support part.
In one embodiment, the distance between the edge of the upper polarizer and the corresponding edge of the display area of the display device is 1-1.3 mm; the distance between the outer side wall of the second support part and the edge of the display area of the corresponding display device is 1-1.5 mm.
The application also provides terminal equipment comprising the display device.
The application provides a display device and terminal equipment's beneficial effect lies in: compared with the prior art, at first paste into a whole with display module assembly and cover plate glass, and the partly of sticker pastes with backlight unit, and extend the extension with the side of the orientation cover plate glass of sticker, this extension pastes with cover plate glass's marginal part, it is big to paste the area, it is firm to have guaranteed to paste the effect, be difficult for droing, the current technical problem who reduces display device's frame influence bonding film's the position that sets up has been solved, display module assembly, the firm connection between cover plate glass and the backlight unit three has been realized.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a partial sectional structural view of a conventional display device;
fig. 2 is a schematic top view of a display device with a first structure according to an embodiment of the present disclosure;
fig. 3 is a schematic cross-sectional structural diagram of a display device in a first structure provided in an embodiment of the present application;
fig. 4 is a schematic partial cross-sectional structural view of a display device of a first structure according to an embodiment of the present application;
FIG. 5 is a schematic cross-sectional view of a cover glass and a display module in a first structure according to an embodiment of the present disclosure;
fig. 6 is a schematic cross-sectional structural view of a cover glass, a display module, and a backlight module of a first structure according to an embodiment of the present disclosure;
fig. 7 is a schematic cross-sectional structural diagram of a display device in a second structure provided in an embodiment of the present application;
fig. 8 is a schematic partial cross-sectional structural view of a display device in a second structure according to an embodiment of the present application;
FIG. 9 is a schematic cross-sectional view of a cover glass and a display module of a second structure according to an embodiment of the present disclosure;
fig. 10 is a schematic cross-sectional structural view of a cover glass, a display module, and a backlight module with a second structure according to an embodiment of the present disclosure.
Wherein, in the figures, the respective reference numerals:
1-a display module; 11-lower polarizer; 12-a thin film transistor substrate; 13-a color film substrate; 14-an upper polarizer; 101-a display area; 1011-the edge of the display area; 102-a non-display area;
2-cover glass; 21-edge portion;
3-a backlight module; 31-a back plate; 311-a first body portion; 312-a first mating part; 313-a second body portion; 314-a second support; 32-a reflective sheet; 33-a light guide plate; 34-an optical film; 35-a rubber frame;
4-adhesive sheet; 41-a connecting part; 42-a fixed part; 43-an extension;
w1-width of adhesive film; w2-distance between the upper polarizer and the edge of the display area; w3-distance between outer side wall of the frame and edge of the display area; w4 — the spacing between the outer side wall of the second support and the edge of the display area;
5-adhesive film.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly or indirectly secured to the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The terms "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positions based on the orientations or positions shown in the drawings, and are for convenience of description only and not to be construed as limiting the technical solution. The terms "first", "second" and "first" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "plurality" is two or more unless specifically limited otherwise.
In order to explain the technical solutions of the present application, the following detailed descriptions are made with reference to specific drawings and examples.
Referring to fig. 2 to 4, a display device provided by the present application will now be described. The display device in this embodiment includes a display module 1, a cover glass 2, and a backlight module 3. The display module 1 includes a lower polarizer 11, a liquid crystal panel and an upper polarizer 14 stacked in sequence from bottom to top, where from bottom to top means that the direction of the human visual angle is used as the reference, the direction facing the human visual angle is up, the edge of the upper polarizer 14 is flush with the edge of the liquid crystal panel, that is, the upper polarizer 14 covers the whole liquid crystal panel, so that the width of the frame can be reduced. The cover plate glass 2 covers and is attached to the upper polarizer 14 to form an edge portion 21, that is, the area of the cover plate glass 2 is larger than that of the upper polarizer 14, the backlight module 3 is arranged on one side of the lower polarizer 11, which is far away from the color film substrate 13, the backlight module 3 is used for providing backlight, and further, the back plate 31 of the backlight module 3 is also used for supporting the display module 1.
Further, the display device further comprises an adhesive sheet 4, and the adhesive sheet 4 can be used for adhering and fixing the display module 1 and the backlight module 3. Specifically, the adhesive sheet 4 is adhered to the edge of the backlight module 3 along the circumference of the backlight module 3, and the side end of the adhesive sheet 4 facing the cover glass 2 extends to form an extension 43, the extension 43 extends in the direction away from the upper polarizer 14 and is adhered to the side of the edge part 21 of the cover glass 2 facing the backlight module 3, so that the backlight module 3 can be fixed on the cover glass 2, and the cover glass 2 is adhered to the upper polarizer 14, so that the backlight module 3 and the display module 1 can be fixed together. The specific working principle is as follows:
further combine fig. 5 and fig. 6, at first with cover plate glass 2 with display module 1 paste earlier together, install cover plate glass 2 and display module 1 earlier promptly, later will laminate display module 1 that has cover plate glass 2 and assemble backlight unit 3 on, paste viscose piece 4 again on backlight unit 3 and stick with the position that cover plate glass 2 stretches out display module 1, compare in current installation display module 1 and backlight unit 3 earlier, can fix backlight unit 3 and cover plate glass 2 together when can realizing the narrow frame, thereby realize backlight unit 3 and display module 1's fixed.
Referring to fig. 1, in an example, when the frame of the whole display device is reduced, the width of the adhesive film 5 needs to be reduced, so that the bonding position of the adhesive film 5 is also reduced, for example, in the display device with the frame width of 1.3mm, the distance between the upper polarizer 14 and the edge 1011 of the display area 101 is 1-1.3mm, the bonding width W1 between the adhesive film 5 and the color filter substrate 13 is usually only 0.3mm, or even smaller, so that in the display device with a narrow frame, the problem that the adhesive film 5 is not firmly bonded and falls off is often easily occurred. Referring to fig. 3 specifically, in the display device of this embodiment, the display module 1 and the cover glass 2 are first adhered to form a whole, and a part of the sticker 4 is adhered to the backlight module 3, and then an extending portion 43 is extended from a side of the sticker 4 facing the cover glass 2 and is adhered to a side of the edge portion 21 facing the backlight module 3, so that the adhering area is large, the adhering effect is ensured to be stable and not to fall off easily, and the display module 1, the cover glass 2 and the backlight module 3 are stably connected. It should be noted that the narrow frame is based on the edge of the backlight module 3.
In one embodiment, referring specifically to fig. 4, sticker 4 comprises attachment portion 41 and securing portion 42. The connecting portion 41 is disposed on a side of the backlight module 3 away from the lower polarizer 11, the connecting portion 41 is adhered to the bottom of the backlight module 3, the fixing portion 42 is bent and extended from the side of the connecting portion 41 toward the backlight module 3 and adhered to an edge of the backlight module 3 along a circumferential direction of the backlight module 3, the fixing portion 42 is adhered to an outer side wall of the backlight module 3, an extending portion 43 is disposed at a side end of the fixing portion 42 facing the cover glass 2, the extending portion 43 is adhered to a side of the edge portion 21 facing the backlight module 3, and accordingly the adhesion between the backlight module 3 and the cover glass 2 can be achieved.
The liquid crystal panel includes a thin film transistor substrate 12 and a color filter substrate 13 sequentially disposed on the lower polarizer 11.
The backlight module 3 based on different structures provides the following embodiments:
the first embodiment is as follows:
in an embodiment, referring to fig. 4 to 6 specifically, the backlight module 3 includes a back plate 31, a reflector 32, a light guide plate 33, and an optical film 34, which are sequentially disposed from bottom to top, the backlight module 3 further includes a rubber frame 35, the rubber frame 35 is disposed around the reflector 32, the light guide plate 33, and the optical film 34, that is, the rubber frame 35 is disposed around the reflector 32, the light guide plate 33, and the optical film 34, an edge of the back plate 31 is inserted into the rubber frame 35, an outer side wall of the rubber frame 35 is adhered to the fixing portion 42, the reflector 32, the light guide plate 33, and the optical film 34 are disposed on the back plate 31, and the back plate 31 is inserted into the rubber frame 35, so that the reflector 32, the light guide plate 33, and the optical film 34 can be fixedly connected to the rubber frame 35, and further fixed to the cover plate 2 through the adhesive sheet 4.
Further, the end of the rubber frame 35 abuts against the thin film transistor substrate 12, and the lower polarizer 11 is disposed near the inner sidewall of the rubber frame 35, so that the thickness of the whole display device can be reduced.
Specifically, further referring to fig. 4, the back plate 31 includes a first body portion 311 and a first plug portion 312. Wherein, the first main body 311 is disposed on one side of the reflective sheet 32 away from the light guide plate 33, the first main body 311 is connected to the reflective sheet 32, the first inserting portion 312 extends from one side of the first main body 311 toward the direction of the rubber frame 35, and the first inserting portion 312 is inserted into the rubber frame 35, so as to connect the back plate 31 to the rubber frame 35, and further fix with the cover glass 2 through the adhesive sheet 4, thereby preventing the back plate 31 from shaking to drive other components to move.
In this embodiment, further referring to fig. 3 and 4, the display device has a display area 101 and a non-display area 102, the non-display area 102 is surrounded around the display area 101, because of the requirement of the polarizer bias process, the distance between the edge of the upper polarizer 14 and the display area 101 of the display device is 1-1.3mm, and the adhesive sheet 4 in this embodiment is further attached to the portion of the cover glass 2 extending out of the upper polarizer 14, so that the distance W3 between the outer sidewall of the adhesive frame 35 and the edge 1011 of the display area 101 of the corresponding display device is less than or equal to 1.5mm, that is, the width of the non-display area 102 is less than or equal to 1.5mmmm。
In specific application, the distance W3 between the outer side wall of the rubber frame 35 and the edge 1011 of the display area 101 of the corresponding display device is 1mm, 1.1mm, 1.2mm, 1.3mm, 1.4mm or 1.5mm, and can be selected according to specific requirements, and within the range, the shading effect of the narrow frame can be better, the undersize can cause the risk of light leakage, and the effect of the narrow frame cannot be realized if the distance W3 is too large.
It should be noted that the adhesive sheet 4 in this embodiment may be used to adhere and fix the backlight module 3 and the cover glass 2, and further, the adhesive sheet 4 may shield light emitted from the side surface of the display module 1, so as to avoid light leakage.
Example two:
in one embodiment, referring to fig. 7 to 10 in particular, the difference from the first embodiment is that the rubber frame 35 structure is eliminated, and the back plate 31 in the backlight module 3 directly extends out of the display module 1 to abut against the cover glass 2, so that the glass substrate can be supported. Specifically, this backlight unit 3 includes backplate 31, reflector plate 32, light guide plate 33 and the optics diaphragm 34 that set gradually from supreme down, and wherein the direction of keeping away from display module 1 is pointed to down, and one side end of backplate 31 extends back and 2 butts of cover plate glass 2 towards cover plate glass's direction to can support cover plate glass 2, the lateral wall and the viscose sheet 4 of backplate 31 paste, thereby can avoid backplate 31 to rock and drive other parts and remove, and stability is better. Further, the edge of the back plate 31 abuts against the cover glass 2, and can assist light shielding.
Further, in the present embodiment, referring further to fig. 8, the back plate 31 includes a second body portion 313 and a second support portion 314. The second body 313 is disposed on a side of the reflective sheet 32 away from the light guide plate 33, the second body 313 is connected to the reflective sheet 32, the second support 314 is bent and extended from the side of the second body 313 toward the cover glass 2, the second support 314 abuts against the edge portion 21, an outer sidewall of the second support 314 is adhered to the fixing portion 42 of the sticker 4, the second support 314 of the back plate 31 extends out of the display module 1, so that the back plate 31 can support the cover glass 2, and the outer sidewall of the second support 314 is adhered to the sticker 4, thereby preventing the back plate 31 from moving and driving other components to move, and providing better stability.
In this embodiment, with further reference to fig. 7 to 9, the display device has a display area 101 and a non-display area 102, the non-display area 102 is surrounded around the display area 101, because of the requirement of the polarizer offset process, the distance W4 between the edge of the upper polarizer 14 and the display area 101 of the display device is 1-1.3mm, and the adhesive sheet 4 in this embodiment is further attached to the portion of the cover glass 2 extending out of the upper polarizer 14, so that the distance W4 between the outer sidewall of the second supporting portion 314 and the corresponding edge 1011 of the display area 101 of the display device is less than or equal to 1.5mm, that is, the width of the non-display area 102 is less than or equal to 1.5 mm.
In specific application, the distance W4 between the outer side wall of the rubber frame 35 and the edge 1011 of the display area 101 of the corresponding display device is 1mm, 1.1mm, 1.2mm, 1.3mm, 1.4mm or 1.5mm, and can be selected according to specific requirements, and within the range, the shading effect of the narrow frame can be better, the undersize can cause the risk of light leakage, and the effect of the narrow frame cannot be realized if the distance W4 is too large.
In an embodiment of the present application, the edge of the display module 1 abuts against the inner side wall of the second supporting portion 314, so that the display module 1 can occupy the space of the second supporting portion 314, and the overall thickness of the display device is reduced.
The application also provides a terminal device comprising the display device in any of the above embodiments.
The application provides a terminal equipment's beneficial effect lies in, through adopting the display device in the above-mentioned arbitrary embodiment, at first paste into a whole with display module assembly 1 and cover plate glass 2, and the partly of sticker 4 pastes with backlight unit 3, and extend extension 43 through the side with the orientation cover plate glass 2 of sticker 4, this extension 43 pastes with cover plate glass 2's marginal portion 21, it is big to paste the area, it is firm to have guaranteed to paste the effect, be difficult for droing, display module assembly 1 has been realized, the firm connection between cover plate glass 2 and the backlight unit 3 three.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. A display device, comprising:
the display module comprises a lower polarizer, a liquid crystal panel and an upper polarizer which are sequentially stacked from bottom to top;
a cover glass covering and attached to the upper polarizer and forming an edge portion;
the backlight module is arranged on one side of the lower polarizer, which is far away from the liquid crystal panel, and supports the display module; and
the adhesive sheet is adhered to the edge of the backlight module along the circumferential direction of the backlight module, an extending part extends from the side end of the adhesive sheet facing the cover plate glass, and the extending part extends in the direction away from the upper polaroid and is adhered to the edge part.
2. The display device of claim 1, wherein the sticker comprises:
the connecting part is arranged on one side of the backlight module, which is far away from the lower polarizer; and
the fixing part is bent and extended from one side of the connecting part towards the direction of the backlight module, the fixing part is adhered to the edge of the backlight module, and the extending part is arranged at the side end, facing the cover plate glass, of the fixing part.
3. The display device according to claim 1 or 2, wherein the backlight module comprises a back plate, a reflector plate and an optical film, which are sequentially arranged from bottom to top, and the backlight module further comprises:
the rubber frame is arranged around the reflector plate and the optical diaphragm in a surrounding mode, the edge of the back plate is inserted into the rubber frame, the end portion of the rubber frame abuts against the liquid crystal panel, and the outer side wall of the rubber frame is adhered to the adhesive sheet.
4. The display device of claim 3, wherein the backplane comprises:
the first body part is arranged on one side of the reflecting sheet, which is far away from the optical diaphragm; and
the first inserting part is bent and extended from one side of the first body part towards the direction of the rubber frame, and the first inserting part is inserted into the rubber frame.
5. The display device according to claim 3, wherein a distance between an edge of the upper polarizer and an edge of a corresponding display area of the display device is 1 to 1.3 mm; the distance between the outer side wall of the rubber frame and the edge of the display area of the corresponding display device is 1-1.5 mm.
6. The display device according to claim 1 or 2, wherein the backlight module comprises a back plate, a reflector and an optical film, which are sequentially arranged from bottom to top, one side end of the back plate extends towards the cover glass and abuts against the cover glass to support the glass substrate, and the outer side wall of the back plate is adhered to the adhesive sheet.
7. The display device of claim 6, wherein the backplane comprises:
the second body part is arranged on one side of the reflecting sheet, which is far away from the optical diaphragm; and
and the second supporting part is bent and extended from one side of the second body part towards the direction of the cover plate glass, the second supporting part is abutted against the edge part, and the outer side wall of the second supporting part is adhered to the adhesive sheet.
8. The display device according to claim 7, wherein an edge of the display module abuts against an inner side wall of the second support portion.
9. The display device according to claim 7, wherein a distance between an edge of the upper polarizer and an edge of a corresponding display area of the display device is 1 to 1.3 mm; the distance between the outer side wall of the second support part and the edge of the display area of the corresponding display device is 1-1.5 mm.
10. A terminal device characterized by comprising the display apparatus according to any one of claims 1 to 9.
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|---|---|---|---|
| CN202121142295.8U CN215526287U (en) | 2021-05-26 | 2021-05-26 | Display device and terminal equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121142295.8U CN215526287U (en) | 2021-05-26 | 2021-05-26 | Display device and terminal equipment |
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| CN215526287U true CN215526287U (en) | 2022-01-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114333602A (en) * | 2022-01-21 | 2022-04-12 | 合肥维信诺科技有限公司 | Display module and display device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114333602A (en) * | 2022-01-21 | 2022-04-12 | 合肥维信诺科技有限公司 | Display module and display device |
| CN114333602B (en) * | 2022-01-21 | 2023-11-21 | 合肥维信诺科技有限公司 | Display module and display device |
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