CN216670452U - Display module and display device - Google Patents
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- CN216670452U CN216670452U CN202121163166.7U CN202121163166U CN216670452U CN 216670452 U CN216670452 U CN 216670452U CN 202121163166 U CN202121163166 U CN 202121163166U CN 216670452 U CN216670452 U CN 216670452U
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Abstract
The utility model relates to the technical field of display, and the embodiment of the utility model discloses a display module and a display device, wherein the display module comprises a display panel and a backlight module; the anti-peeping film is positioned between the display panel and the backlight module; the backlight module also comprises a reflector plate, the reflector plate comprises a body and extending parts at least extending along two side edges of the body, the edge part of the body is bonded with the bottom surface of the rubber frame, the extending parts are bonded with the side surfaces of the rubber frame, and a pre-folding line is arranged between the body and the extending parts. According to the display module and the display device comprising the same, the display panel and the backlight module can be prevented from being separated through the arrangement, so that the dustproof and waterproof effects are achieved; meanwhile, the stability of the display module can be further improved.
Description
Technical Field
The utility model relates to the technical field of display, in particular to a display module and a display device.
Background
Liquid Crystal Displays (LCDs) are popular with users due to their small size, thin thickness, light weight, and low power consumption, and Display modules such as mobile phones and computers are increasingly widely used with the development of Display technologies. Generally, the display module has a larger viewing angle, and users at different viewing angles can know the displayed information. However, in some scenarios, the user may want the information displayed by the display module not to be known by other surrounding users, i.e., the display module is expected to have a peep-proof function. The conventional anti-peeping liquid crystal display module includes a liquid crystal display panel for displaying a picture and a backlight module for providing a backlight source. The peep-proof film is usually arranged in the backlight module to control the light-emitting angle of the display light of the display module within a smaller angle range, so that the data displayed by the display module can be specially read by a user, and people can only see a black picture by watching at two sides, thereby effectively protecting commercial confidentiality and personal privacy.
Fig. 1 is a schematic cross-sectional view of a conventional anti-peeping liquid crystal display module. As shown in fig. 1, the prior art discloses a peep-proof liquid crystal display module, which includes a display panel 1, a peep-proof film 2 and a backlight module 3, wherein the display panel 1 and the peep-proof film 2 are disposed on a light emitting side of the backlight module 3, the peep-proof film 2 is disposed between the display panel 1 and the backlight module 3, and the peep-proof film 2 is used for reducing an angle range of light emitted from the backlight module 3 passing through the peep-proof film 2.
Specifically, the backlight module 3 includes a back plate, a reflective sheet 33, a light guide plate 34 and an optical film set 35 which are sequentially disposed, the back plate includes a back plate bottom plate 31 and a back plate side plate 32 which is surrounded on the back plate bottom plate 31, the backlight module 3 further includes a rubber frame 36 for bearing the display panel 1, the bottom of the rubber frame 36 is attached to the edge of the reflective sheet 33, and the side of the rubber frame 36 is attached to the back plate side plate 32.
As described above, although the peep-proof film 2 is added to the display module to achieve the peep-proof function, when the display module is subjected to reliability verification (reliability test performed in severe environments such as high temperature and high humidity after product molding), since the peep-proof film 2 itself has a relatively thick thickness and a relatively large expansion warpage, the display panel 1 and the backlight module 3 are separated and the reflective sheet 33 and the backlight module 3 are separated, and after separation, the whole display module cannot be dustproof and moisture-proof, which affects normal use of the display module.
In view of the above, the applicant of the present invention has made an intensive conception for the defects and inconveniences caused by the perfection of the design of the display module, and has actively researched and improved the design of the present invention.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the embodiment of the utility model is that the peep-proof film of the existing peep-proof liquid crystal display module cannot prevent dust and water vapor due to larger expansion and warpage in the reliability verification.
In order to solve the technical problem, the solution of the utility model is as follows: the embodiment of the utility model discloses a display module, which comprises a display panel and a backlight module, wherein the backlight module bears the display panel through a rubber frame; the anti-peeping film is positioned between the display panel and the backlight module;
the backlight module also comprises a reflector plate, the reflector plate comprises a body and extending parts at least extending along two side edges of the body, the edge part of the body is bonded with the bottom surface of the rubber frame, the extending parts are bonded with the side surfaces of the rubber frame, and a pre-folding line is arranged between the body and the extending parts.
Preferably, the backlight module further comprises a back plate, a light guide plate and an optical diaphragm set which are sequentially arranged, the back plate comprises a back plate bottom plate and a back plate side plate which is arranged around the back plate bottom plate, the light guide plate and the optical diaphragm set are arranged in a placing area which is formed by the back plate side plate and the back plate bottom plate in a surrounding mode, the body of the reflector plate is arranged on the back plate bottom plate, and the extending portion of the reflector plate is arranged on the back plate side plate and is flush with the back plate side plate.
Preferably, the privacy film is positioned over the set of optical films; the glue frame further comprises a step part, and the step part is used for bearing the optical film group and the peep-proof film.
Preferably, the extension portion of the reflective sheet and the top of the plastic frame form a receiving groove, the receiving groove is filled with a plastic, and the side portion of the display panel extends into the receiving groove to be bonded with the plastic, so that the display panel is bonded with the plastic frame and the reflective sheet.
Preferably, the peep-proof film is fixed on one side of the display panel facing the optical film group; the glue frame further comprises a step part, and the step part is used for bearing the optical film group.
Preferably, the extension portion of the reflective sheet and the top of the rubber frame form a receiving groove, the receiving groove is filled with a rubber body, and the side portions of the display panel and the anti-peeping film extend into the receiving groove to be bonded with the rubber body, so that the display panel and the anti-peeping film are bonded with the rubber frame and the reflective sheet.
Preferably, the backlight module further comprises at least one backlight source, the backlight source corresponds to the light incident side of the light guide plate, and the extension portion is disposed on the non-light incident side of the light guide plate.
Preferably, three sides of the body of the reflector plate are provided with extending parts, and a gap is formed between two adjacent extending parts.
Preferably, the optical film set at least comprises a diffusion film, a lower brightness enhancement film and an upper brightness enhancement film which are sequentially stacked.
The embodiment of the utility model also discloses a display device, which comprises the display module.
Compared with the prior art, the embodiment provided by the utility model has the following beneficial effects: through the arrangement, the display module and the display device comprising the display module can prevent the display panel and the backlight module from separating, so that the dustproof and waterproof effects are achieved; meanwhile, the stability of the display module can be further improved.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings, in which:
FIG. 1 is a schematic cross-sectional view of a conventional anti-peeping LCD module;
FIG. 2 is a schematic cross-sectional view of a display module according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a reflector in a display module according to an embodiment of the disclosure;
fig. 4 is a schematic structural view of a privacy film in a display module according to an embodiment of the present invention;
FIG. 5 is a schematic cross-sectional view of a display module according to a second embodiment of the present disclosure;
fig. 6 is a schematic structural diagram of a reflector in a display module according to a third embodiment of the present invention;
fig. 7 is a schematic structural view of a privacy film in a display module according to a fourth embodiment of the present invention.
Detailed Description
In order to further explain the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, 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 invention.
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 only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should 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; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
FIG. 2 is a schematic cross-sectional view of a display module according to an embodiment of the present invention; FIG. 3 is a schematic structural diagram of a reflector in a display module according to an embodiment of the disclosure; fig. 4 is a schematic structural diagram of a privacy film in a display module according to an embodiment of the present invention.
As shown in fig. 2 to 4: the embodiment discloses a display module, which includes a display panel 100, a backlight module 300, and a privacy film 200 disposed between the display panel 100 and the backlight module 300.
The backlight module 300 supports the display panel 100 through a plastic frame 360; the display panel 100 and the rubber frame 360 are bonded by black glue 380, and the black glue 380 plays a role in shading and fixing; the backlight module 300 further includes a back plate, a reflective sheet 330, a light guide plate 340 and an optical film set 350, which are sequentially disposed. The back plate comprises a back plate bottom plate 310 and four back plate side plates 320 surrounding the back plate bottom plate 310, the back plate side plates 320 and the back plate bottom plate 310 form a placement area, and the reflective sheet 330, the light guide plate 340 and the optical film assembly 350 are located in the placement area. The backlight module 300 further includes a backlight source (not shown) disposed on the back plate and located at the light incident side of the light guide plate 340.
In the present embodiment, the backlight source is, for example, a double-sided light source, that is, the backlight source is disposed on both short sides of the backlight module 300. Correspondingly, the reflective sheet 330 includes a body 331 and extending portions 332 (as shown in fig. 3) extending along two sides of the body 331. The two extending portions 332 are respectively located at two long sides of the backlight module 300, that is, the extending portion 332 of the reflective sheet 330 is only disposed at the non-light-incident side of the light guide plate 340.
Specifically, the main body 331 of the reflective sheet 330 is located on the backplate bottom plate 310 and has the same shape as the backplate bottom plate 310, and the extending portion 332 of the reflective sheet 330 is located on the backplate side plate 320 and is flush with the backplate side plate 320. The main body 331 is adhered to the light guide plate 340 by an adhesive, the edge of the main body 331 is adhered to the bottom surface of the frame 360 by a double-sided adhesive, and the extension 332 is adhered to the side surface of the frame 360 by a double-sided adhesive. A pre-folding line is disposed between the main body 331 and the extension portion 332, and the pre-folding line can enable the extension portion 332 to be folded towards the main body 331.
In the present embodiment, the privacy film 200 is located on a side of the optical film set 350 facing the display panel 100, that is, the privacy film 200 directly overlaps the optical film set 350. The glue frame 360 further includes a stepped portion 361, and the stepped portion 361 is used for simultaneously carrying the optical film set 350 and the privacy film 200.
In this embodiment, since the extending portion 332 of the reflective sheet 330 is located on the back plate side plate 320 and is flush with the back plate side plate 320, a receiving groove is formed between the extending portion 332 of the reflective sheet 330 and the top of the plastic frame 360, the receiving groove is filled with a plastic 370, and the side portion of the display panel 100 extends into the receiving groove to be bonded with the plastic 370, so that the display panel 100 is bonded to the plastic frame 360 and the reflective sheet 330 at the same time.
In this embodiment, the glue 370 may be, for example, tuffy glue, which is a resin glue specially used in the electronic industry, and is usually in a blue liquid state, and the tuffy glue can be solidified in a normal temperature environment. In other embodiments, the adhesive 370 may be an adhesive made of other materials, as long as the display panel 100, the adhesive frame 360 and the reflective sheet 330 can be fixed, and is not limited herein.
In this embodiment, the optical film set 350 includes a diffusion film, a lower brightness enhancement film, and an upper brightness enhancement film, which are sequentially stacked. In other embodiments, other optical films may be included, and are not described herein.
In the present embodiment, the privacy film 200 includes a first privacy layer 210 (as shown in fig. 4), the first privacy layer 210 includes a plurality of parallel photoresist walls 211 and a light hole 212 located between two adjacent photoresist walls 211, and light absorbing materials are disposed on two sides of the photoresist walls 211. The first privacy layer 210 is a micro louver structure, and can block light rays with a large incident angle, so that light rays with a small incident angle can pass through the first privacy layer 210, and the angle range of the light rays passing through the first privacy layer 210 is reduced.
In the present embodiment, the photoresist walls 211 of the first privacy protection layer 210 are sequentially and adjacently arranged along the first direction of the display panel 100 and extend along the second direction of the display panel 100. For example, the second direction extends along the vertical direction of the display panel 100, which can reduce the angle range of the light incident to the left and right of the first privacy protection layer 210. In other embodiments, the photo-resist walls 211 of the first privacy layer 210 may also be sequentially and adjacently arranged along the second direction of the display panel 100 and extend along the first direction of the display panel 100. Accordingly, the range of angles of light incident on and off the first privacy layer 210 can be narrowed.
In the display module disclosed in this embodiment, the privacy film 200 is disposed to control the light-emitting angle of the display light of the display panel 100 within a relatively small angle range, so that the information displayed by the display panel 100 can be read by the user, and anyone can only see a blackish-black image when viewing at both sides, thereby effectively protecting commercial confidentiality and personal privacy.
Compared with the prior art, the display module assembly disclosed by the embodiment further has the following beneficial effects: through the setting, the display module assembly disclosed by the embodiment can prevent the separation of the display panel and the backlight module assembly, and achieves the effects of dust prevention and water vapor prevention.
Example two
Fig. 5 is a schematic cross-sectional structure diagram of a display module according to a second embodiment of the present invention.
As shown in fig. 5, the display module disclosed in this embodiment has substantially the same structure as the display module disclosed in the first embodiment, except that: the privacy film 200 in this embodiment is fixed to a side of the display panel 100 facing the optical film assembly 350, and may be, for example, completely attached and fixed, or fixed by frame attachment. The glue frame 360 ' further includes a stepped portion 361 ', and the stepped portion 361 ' is only used for carrying the optical film set 350. The peep-proof film 200 and the rubber frame 360' are bonded through a black adhesive 380, and the black adhesive 380 also plays a role in shading and fixing.
In this embodiment, the extension portion 332 of the reflective sheet 330 and the top of the plastic frame 360 'form a receiving groove, the receiving groove is filled with a sealant 370', and the side portions of the display panel 100 and the privacy film 200 extend into the receiving groove to be bonded with the sealant 370 ', so that the display panel 100 and the privacy film 200 are bonded to the plastic frame 360' and the reflective sheet 330 at the same time.
In this embodiment, the glue frame 360' simultaneously carries the display panel 100 and the privacy film 200, so that the privacy film 200 can extend to the space occupied by the original glue frame, and the side portion of the display panel 100 can also extend to the edge and narrow, so that the frame size is compressed to the edge and narrowed.
Compared with the prior art, the display module assembly disclosed by the embodiment further has the following beneficial effects: through the arrangement, the display module disclosed by the embodiment can prevent the display panel from separating from the backlight module, so that the dustproof and waterproof effects are achieved; the display effect of the narrow frame of the display module can be further realized.
EXAMPLE III
Fig. 6 is a schematic structural diagram of a reflective sheet in a display module according to a third embodiment of the present invention.
As shown in fig. 6, the display module disclosed in this embodiment is a single-side light-incident display module, and since the extension portion 332 ' of the reflective sheet 330 ' is located on the non-light-incident side of the light guide plate, three sides (corresponding to the non-light-incident side of the light guide plate) of the body 331 of the reflective sheet 330 ' are both provided with extension portions 332 ', and a gap is formed between two adjacent extension portions 332 ', and the gap can be, for example, a rectangular gap. In this embodiment, the pre-folding lines and the notches are arranged so that the extending portion 332' can be bent 90 degrees toward three sides of the main body 331, which can further improve the stability of the display module.
Compared with the prior art, the display module assembly disclosed by the embodiment further has the following beneficial effects: through the arrangement, the display module disclosed by the embodiment can prevent the display panel and the backlight module from separating, so that the dustproof and waterproof effects are achieved; the stability of the display module can be further improved.
Example four
Fig. 7 is a schematic structural view of a privacy film in a display module according to a fourth embodiment of the present invention.
As shown in fig. 7, the peep-proof film 200 'disclosed in this embodiment is different from the peep-proof film disclosed in the first embodiment in that the peep-proof film 200' disclosed in this embodiment includes the first peep-proof layer 210 and the second peep-proof film 220, the first peep-proof layer 210 and the second peep-proof film 220 are stacked on each other, and the second peep-proof film 220 also includes a plurality of parallel photoresist walls 221 and a light hole 222 located between two adjacent photoresist walls 221; the second privacy film 220 is also a micro louver structure, and can block light rays with a large incident angle, so that light rays with a small incident angle can pass through the second privacy film 220, and the angle range of the light rays passing through the second privacy film 220 is reduced.
Specifically, the extending direction of the light blocking walls 211 in the first privacy layer 210 is perpendicular to the extending direction of the light blocking walls 221 in the second privacy film 220. The privacy film 200' can simultaneously reduce the angle ranges of light incident on the left and right sides of the first privacy layer 210 and the angle ranges of light incident on the top and bottom of the second privacy film 220, and simultaneously reduce the angle ranges of all-directional light.
Compared with the prior art, the display module assembly disclosed by the embodiment further has the following beneficial effects: through the arrangement, the display module disclosed by the embodiment can prevent the display panel and the backlight module from separating, so that the dustproof and waterproof effects are achieved; the peep-proof effect of the display module can be further improved.
EXAMPLE five
The embodiment further discloses a display device, which comprises the display module according to any one of the first embodiment to the fourth embodiment, and has the beneficial effects as described above. And will not be described in detail herein.
The foregoing is a complete disclosure of the present invention, and in this specification, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, including other elements not expressly listed, in addition to those elements listed. In the present specification, the terms of front, rear, upper, lower and the like are defined by the positions of the components in the drawings and the positions of the components relative to each other, and are only used for the sake of clarity and convenience in technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
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 utility model, and any modifications, equivalents, improvements and the like that are within the spirit of the present invention are intended to be included therein.
Claims (10)
1. A display module comprises a display panel and a backlight module, wherein the backlight module bears the display panel through a rubber frame; the anti-peeping display device is characterized by further comprising an anti-peeping film positioned between the display panel and the backlight module;
the backlight module further comprises a reflector plate, the reflector plate comprises a body and extending portions extending along two side edges of the body at least, the edge portion of the body is bonded with the bottom face of the rubber frame, the extending portions are bonded with the side faces of the rubber frame, and pre-folding lines are arranged between the body and the extending portions.
2. The display module according to claim 1, wherein the backlight module further comprises a back plate, a light guide plate and an optical film set, which are sequentially disposed, the back plate comprises a back plate bottom plate and a back plate side plate surrounding the back plate bottom plate, the light guide plate and the optical film set are located in a placement area defined by the back plate side plate and the back plate bottom plate, the body of the reflective sheet is located on the back plate bottom plate, and the extending portion of the reflective sheet is located on the back plate side plate and flush with the back plate side plate.
3. The display module according to claim 2, wherein the privacy film is positioned over the set of optical films; the rubber frame further comprises a step part, and the step part is used for bearing the optical film group and the peep-proof film.
4. The display module assembly according to claim 3, wherein the extension portion of the reflective sheet and the top of the plastic frame form a receiving groove, the receiving groove is filled with a plastic, and a side portion of the display panel extends into the receiving groove to be bonded with the plastic, so that the display panel is bonded to the plastic frame and the reflective sheet.
5. The display module according to claim 2, wherein the privacy film is fixed to a side of the display panel facing the optical film group; the rubber frame further comprises a step part, and the step part is used for bearing the optical film group.
6. The display module according to claim 5, wherein the extension portion of the reflective sheet and the top of the plastic frame form a receiving groove, the receiving groove is filled with a plastic material, and the side portions of the display panel and the anti-peeping film extend into the receiving groove and are bonded to the plastic material, so that the display panel and the anti-peeping film are bonded to the plastic frame and the reflective sheet.
7. The display module according to claim 2, wherein the backlight module further comprises at least one backlight source, the backlight source corresponds to the light incident side of the light guide plate, and the extension is disposed on the non-light incident side of the light guide plate.
8. The display module according to claim 7, wherein the reflector plate has extensions on three sides of the reflector plate, and a gap is formed between two adjacent extensions.
9. The display module according to claim 2, wherein the optical film set comprises at least a diffusion film, a lower brightness enhancement film and an upper brightness enhancement film, which are sequentially stacked.
10. A display device comprising a display module according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121163166.7U CN216670452U (en) | 2021-05-27 | 2021-05-27 | Display module and display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121163166.7U CN216670452U (en) | 2021-05-27 | 2021-05-27 | Display module and display device |
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| CN216670452U true CN216670452U (en) | 2022-06-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115202066A (en) * | 2022-08-29 | 2022-10-18 | 北京京东方显示技术有限公司 | Display device |
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- 2021-05-27 CN CN202121163166.7U patent/CN216670452U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115202066A (en) * | 2022-08-29 | 2022-10-18 | 北京京东方显示技术有限公司 | Display device |
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