CN215116870U - Improve side income formula backlight module and vehicle-mounted display device that big visual angle of super narrow frame leaks lamp - Google Patents
Improve side income formula backlight module and vehicle-mounted display device that big visual angle of super narrow frame leaks lamp Download PDFInfo
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- CN215116870U CN215116870U CN202121129245.6U CN202121129245U CN215116870U CN 215116870 U CN215116870 U CN 215116870U CN 202121129245 U CN202121129245 U CN 202121129245U CN 215116870 U CN215116870 U CN 215116870U
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Abstract
The utility model provides an improve big visual angle of super narrow frame and leak side income formula backlight module of lamp, including the underframe, the light guide plate, the optics diaphragm, the backlight, well frame and bubble celloidin, the underframe includes the bottom plate and connects the frame on the bottom plate, the light guide plate is fixed on the bottom plate, the light guide plate is including going into the light side, the optics diaphragm is fixed on the light guide plate, the backlight is fixed in the frame, the backlight sets up with going into the light side relatively, well frame is connected with the frame, well frame includes the top frame, the top frame sets up in the top of optics diaphragm light-emitting direction, the top frame sets up round the circumference of optics diaphragm, the region that the optics diaphragm is not covered by the top frame is for sending out light zone, the interval in backlight and the sending out light zone is less than 4mm, the bubble cotton is glued and is located the top of backlight, the side that the top frame is close to the optics diaphragm is connected to the bubble cotton. The utility model discloses an improve the effective luminous region of the side income formula backlight module of the big visual angle of super narrow frame hourglass lamp big, and visual effectual. The utility model discloses still relate to an on-vehicle display device.
Description
Technical Field
The utility model relates to an illumination display device technical field, in particular to side income formula backlight module and vehicle-mounted display device who leaks lamp of the big visual angle of ultra-narrow frame are improved.
Background
At present, the conventional vehicle-mounted display screen is limited by cost and process, the size of the screen which is often manufactured is relatively small, the frame is very wide, and the visual angle experience is not very good. Therefore, how to make the display screen large in a limited space is the design direction of various large car factories at present. Under the same screen size, the narrower the frame of the vehicle-mounted display screen is, the larger the actual effective display area is. Therefore, the frame of the screen is required to be narrow, which is mainly determined by the width of the frame of the backlight. The design of ultra-narrow bezel backlight would be of great significance and necessity.
However, the backlight frames of conventional vehicle-mounted display screens are generally wide, and especially on the light incident side, the frames often reach 8-10mm, because when the v.a (visible area) on the light incident side is closer to the backlight, the light emitting effect is difficult to process, and the visual angle effect of people is poor.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an improve side income formula backlight module of big visual angle hourglass lamp of super narrow frame, its effective light-emitting region is big, and visual effect is good.
The utility model provides an improve big visual angle of super narrow frame and leak side income formula backlight module of lamp, including the underframe, the light guide plate, the optics diaphragm, the backlight, well frame and bubble celloidin, the underframe includes the bottom plate and connects the frame on the bottom plate, the light guide plate is fixed on the bottom plate, the light guide plate is including going into the light side, the optics diaphragm is fixed on the light guide plate, the backlight is fixed in the frame, the backlight sets up with going into the light side relatively, well frame is connected with the frame, well frame includes the top frame, the top frame sets up in the top of optics diaphragm light-emitting direction, the top frame sets up round the circumference of optics diaphragm, the region that the optics diaphragm is not covered by the top frame is for sending out light zone, the interval in backlight and the sending out light zone is less than 4mm, the bubble cotton is glued and is located the top of backlight, the side that the top frame is close to the optics diaphragm is connected to the bubble cotton.
The embodiment of the utility model provides an in, the side income formula backlight module that the lamp was leaked in the big visual angle of above-mentioned super narrow frame still includes the light screen, the light screen is located the backlight with between the bubble celloidin.
In an embodiment of the present invention, the light shielding plate is plate-shaped, and the width of the light shielding plate is less than or equal to the width of the foam cotton rubber.
The embodiment of the utility model provides an in, a side of above-mentioned light screen is fixed on the light guide plate, opposite side of light screen is towards being close to the direction of frame extends, the optics diaphragm is equipped with dodges dodging the groove of dodging of light screen, the side of light screen is located dodge in the groove.
The embodiment of the utility model provides an in, a side of above-mentioned light screen is fixed on the frame, another side of light screen extends to the top of light guide plate.
In an embodiment of the present invention, the optical film includes a light blocking portion, and the light blocking portion is located above the backlight source.
In an embodiment of the present invention, the light blocking portion is integrally formed with the optical film.
In the embodiment of the present invention, the thickness of the foam is 0.3mm to 0.8 mm.
The embodiment of the utility model provides an in, above-mentioned backlight includes flexible circuit board and electric connection a plurality of LED lamps on the flexible circuit board, the flexible circuit board is fixed in through the heat-conducting glue the frame.
The utility model also provides a vehicle-mounted display device, including foretell improvement ultra-narrow frame large visual angle leak the side income formula backlight module of lamp.
The utility model discloses an improve the side income formula backlight module that the big visual angle of super narrow frame leaks the lamp and live the optics diaphragm through bubble celloidin and absorb the clearance between optics diaphragm and the top frame, stop that the light of backlight jets out from the clearance between optics diaphragm and the top frame. Thereby reach the effect of improving optical effect for improve the side income formula backlight module that the big visual angle of super narrow frame leaks the lamp and can reach fine visual effect. The area of an effective light emitting area of the lateral type backlight source module capable of improving the ultra-narrow frame large-visual-angle leakage lamp is large, and the ornamental value of the public is greatly improved.
Drawings
Fig. 1 is a schematic view of a partial cross-sectional structure of a lateral backlight module for improving a large-viewing-angle leakage lamp with an ultra-narrow frame according to a first embodiment of the present invention.
Fig. 2 is a schematic bottom view of the middle frame with foam mounted thereon according to the first embodiment of the present invention.
Fig. 3 is a schematic view of a split structure of a lateral backlight module for improving the leakage lamp with ultra-narrow frame and large viewing angle according to a first embodiment of the present invention.
Fig. 4 is a schematic view of a partial cross-sectional structure of a lateral backlight module for improving a leakage lamp with an ultra-narrow frame and a large viewing angle according to a second embodiment of the present invention.
Fig. 5 is a schematic view of a partial cross-sectional structure of a lateral backlight module for improving a leakage lamp with an ultra-narrow frame and a large viewing angle according to a third embodiment of the present invention.
Fig. 6 is a schematic perspective view of an optical film according to a fourth embodiment of the present invention.
Detailed Description
The application provides a lateral backlight module for improving ultra-narrow frame large-visual-angle leakage lamp.
In order to make the technical solutions better understood by those skilled in the art, 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 only partial embodiments of the present application, but 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 order to facilitate understanding of those skilled in the art, the present application provides a specific implementation process of the technical solution provided by the present application through the following embodiments.
First embodiment
Referring to fig. 1 to 3, the edge-type backlight module for improving the leakage light with ultra-narrow frame and large viewing angle includes a bottom frame 11, a light guide plate 12, and an optical film 13, backlight 14, medium frame 15 and bubble celloidin 16, the bottom frame 11 includes bottom plate 111 and connects the frame 112 on bottom plate 111, light guide plate 12 is fixed on bottom plate 111, light guide plate 12 includes income light side 121, optics diaphragm 13 is fixed on light guide plate 12, backlight 14 is fixed in frame 112, backlight 14 sets up with income light side 121 relatively, medium frame 15 is connected with frame 112, medium frame 15 includes top frame 151, top frame 151 sets up in the top of optics diaphragm 13 light-emitting direction, top frame 151 sets up around the circumference of optics diaphragm 13, the region that optics diaphragm 13 is not covered by top frame 151 is the light-emitting zone, the interval of backlight 14 and light-emitting zone is less than 4mm, bubble celloidin 16 is located the top of backlight 14, bubble celloidin 16 connects the side that top frame 151 is close to optics diaphragm 13. In the embodiment, the distance between the backlight 14 and the light emitting region is 1.5mm, 2.5mm or 3.5mm, and the distance between the backlight 14 and the light emitting region is preferably 3.5 mm.
The utility model discloses an improve the big visual angle of super narrow frame and leak side income formula backlight module of lamp and push down optical film piece 13 through bubble celloidin 16 and absorb the clearance between optical film piece 13 and the top frame 151, stop that the light of backlight 14 jets out from the clearance between optical film piece 13 and the top frame 151. Thereby reach the effect of improving optical effect for improve the side income formula backlight module that the big visual angle of super narrow frame leaks the lamp and can reach fine visual effect. The area of an effective light emitting area of the lateral type backlight source module capable of improving the ultra-narrow frame large-visual-angle leakage lamp is large, and the ornamental value of the public is greatly improved.
Further, the optical film 13 includes one or more of a brightness enhancement film 131, a brightness enhancement film, and a diffusion film 132. In this embodiment, the optical film 13 includes two brightness enhancement films 131 and one diffusion film 132, and the two brightness enhancement films 131 and the one diffusion film 132 are fixed to the light guide plate 12, respectively.
Further, the optical film 13 and the light guide plate 12 are fixed by a single-sided adhesive, and the fixing position of the optical film 13 and the light guide plate 12 is located in the middle of the light guide plate 12 and close to the light incident side 121. In this embodiment, the middle position of the light guide plate 12 is selected to fix the optical film 13: when the optical film 13 expands due to heat, the optical film 13 expands from the middle of the light guide plate 12 to both sides of the light guide plate 12, instead of expanding from one side of the light guide plate 12 to the other side. Thereby realizing narrow frame design in multiple directions. (for example, the total expansion amount of the optical film 13 is 2mm, if the optical film 13 expands from one side of the light guide plate 12 to the other side, the expansion space on the other side away from the fixed position of the light guide plate 12 and the optical film 13 needs 2mm, but if the optical film 13 is fixed at the middle position of the light guide plate 12, the optical film 13 expands from the middle of the light guide plate 12 to both sides, and then only 1mm of expansion space needs to be reserved on both sides of the light guide plate 12).
Further, the light guide plate 12 is fixedly connected to the reflective film 19, the reflective film 19 is fixedly connected to the bottom plate 111, the reflective film 19 covers the bottom surface of the light guide plate 12, and the reflective film 19 also covers three side surfaces except the light incident side surface 121.
Furthermore, the thickness of the foam rubber 16 is 0.3 mm-0.8 mm. In the present embodiment, the thickness of the foam 16 comprises 0.4mm, 0.5mm or 0.6mm, preferably the thickness of the foam 16 is 0.5 mm.
Further, the backlight source 14 includes a flexible circuit board and a plurality of LED lamps electrically connected to the flexible circuit board, and the flexible circuit board is fixed to the frame 112 through the thermal conductive adhesive 18.
Further, improve side income formula backlight module of super narrow frame large visual angle hourglass lamp still includes insulating cement 21, and insulating cement 21 is fixed on bottom plate 111, and insulating cement 21 is located the below of flexible circuit board.
Further, improve the side income formula backlight module of the big visual angle of super narrow frame hourglass lamp still includes a plurality of flexible pieces 22 that are used for fixed light guide plate 12, and a plurality of flexible pieces 22 set up and expose light incidence side 121 around the circumference of light guide plate 12, and each flexible piece 22 supports and leans on between light guide plate 12 and frame 112. The flexible block 22 includes silica gel, rubber, plastic, etc., and in this embodiment, the flexible block 22 is preferably silica gel, and the silica gel is adopted to lean against between the light guide plate 12 and the frame 112 to prevent the light guide plate 12 from shaking left and right, and meanwhile, the light guide plate 12 is not displaced when being turned over in the bottom frame 11.
Further, an adhesive 23 for fixing the cover plate is further provided at one side of the top frame 151. In this embodiment, the glue 23 is foam glue.
Second embodiment
Referring to fig. 4, the lateral backlight module for improving leakage light with ultra-narrow frame and large viewing angle of the present embodiment is substantially the same as the lateral backlight module for improving leakage light with ultra-narrow frame and large viewing angle of the first embodiment, and the difference is that the structure of the lateral backlight module for improving leakage light with ultra-narrow frame and large viewing angle is different.
Further, improve the side income formula backlight module of the big visual angle of super narrow frame hourglass lamp and still include light screen 17, light screen 17 is located between backlight 14 and the bubble celloidin 16. In the embodiment, the light shielding plate 17 and the foam 16 cooperate to effectively shield the light emitted from the backlight 14 toward the top frame 151.
Further, the light shielding plate 17 is plate-shaped, and the width of the light shielding plate 17 is less than or equal to the width of the foam rubber 16. In the present embodiment, the light shielding plate 17 is, for example, opaque black glue.
Further, one side of the light shielding plate 17 is fixed on the light guide plate 12, the other side of the light shielding plate 17 extends toward the direction close to the frame 112, the optical film 13 is provided with an avoiding groove for avoiding the light shielding plate 17, and the side of the light shielding plate 17 is located in the avoiding groove.
Please refer to the first embodiment for another structure of the lateral backlight module for improving the leakage light with ultra-narrow frame and large viewing angle, which is not described herein again.
Third embodiment
Referring to fig. 5, the lateral backlight module for improving leakage light with ultra-narrow frame and large viewing angle of the present embodiment is substantially the same as the lateral backlight module for improving leakage light with ultra-narrow frame and large viewing angle of the first embodiment, and the difference is that the structure of the lateral backlight module for improving leakage light with ultra-narrow frame and large viewing angle is different.
Further, improve the side income formula backlight module of the big visual angle of super narrow frame hourglass lamp and still include light screen 17, light screen 17 is located between backlight 14 and the bubble celloidin 16. In the embodiment, the light shielding plate 17 and the foam 16 cooperate to effectively shield the light emitted from the backlight 14 toward the top frame 151.
Further, the light shielding plate 17 is plate-shaped, and the width of the light shielding plate 17 is less than or equal to the width of the foam rubber 16. In the present embodiment, the light shielding plate 17 is, for example, opaque black glue.
Further, one side of the light shielding plate 17 is fixed on the frame 112, and the other side of the light shielding plate 17 extends to the upper side of the light guide plate 12.
Please refer to the first embodiment for another structure of the lateral backlight module for improving the leakage light with ultra-narrow frame and large viewing angle, which is not described herein again.
Fourth embodiment
Referring to fig. 6, the lateral backlight module for improving leakage light with ultra-narrow frame and large viewing angle of the present embodiment is substantially the same as the lateral backlight module for improving leakage light with ultra-narrow frame and large viewing angle of the first embodiment, and the difference is that the optical film 13 has a different structure.
Further, the optical film 13 includes a light blocking portion 13a that does not transmit light, and the light blocking portion 13a is located above the backlight 14. In the present embodiment, due to the light blocking portion 13a, the light emitted from the backlight 14 toward the top frame 151 can be blocked more effectively.
Further, the optical film 13 includes one or more of a diffusion film 132, a brightness enhancement film 131, and a brightness enhancement film. In this embodiment, the optical film 13 includes two brightness enhancement films 131 and one diffusion film 132, and the two brightness enhancement films 131 and the one diffusion film 132 are fixed to the light guide plate 12, respectively.
Further, the diffusion film 132 and the brightness enhancement film 131 are each provided with a light blocking portion 13 a; alternatively, the light blocking portion 13a is provided in either the diffusion film 132 or the brightness enhancement film 131.
Further, the light blocking portion 13a is integrally formed with the optical film 13.
Please refer to the first embodiment for another structure of the lateral backlight module for improving the leakage light with ultra-narrow frame and large viewing angle, which is not described herein again.
Fifth embodiment
The utility model discloses still relate to an on-vehicle display device, including foretell side income formula backlight module that improves the big visual angle of super narrow frame and leak the lamp. In the embodiment, the vehicle-mounted display device comprises a vehicle display screen, a vehicle-mounted streaming media rearview mirror display, a vehicle-mounted central control, a vehicle-mounted instrument display and the like.
The utility model discloses not be limited to the specific details among the above-mentioned embodiment the utility model discloses a within the technical idea scope, can be right the technical scheme of the utility model carry out multiple simple variant, these simple variants all belong to the utility model discloses a protection scope. The various features described in the foregoing detailed description may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations.
Claims (10)
1. The utility model provides an improve side income formula backlight module that super narrow frame large visual angle leaks lamp which characterized in that, includes underframe (11), light guide plate (12), optical film (13), backlight (14), well frame (15) and bubble celloidin (16), underframe (11) include bottom plate (111) and connect frame (112) on bottom plate (111), light guide plate (12) are fixed on bottom plate (111), light guide plate (12) are including going into light side (121), optical film (13) are fixed on light guide plate (12), backlight (14) are fixed in frame (112), backlight (14) with go into light side (121) and set up relatively, well frame (15) with frame (112) are connected, well frame (15) are including top frame (151), top frame (151) set up in the top of optical film (13) light-emitting direction, the top frame (151) is arranged around the circumference of the optical film (13), the area, not covered by the top frame (151), of the optical film (13) is a light emitting area, the distance between the backlight source (14) and the light emitting area is smaller than 4mm, the foam cotton rubber (16) is located above the backlight source (14), and the foam cotton rubber (16) is connected to the side face, close to the optical film (13), of the top frame (151).
2. The lateral backlight module for improving the leakage light with ultra-narrow frame and large viewing angle of claim 1, further comprising a light shielding plate (17), wherein the light shielding plate (17) is located between the backlight (14) and the foam (16).
3. The lateral backlight module for improving the leakage lamp with ultra-narrow frame and large viewing angle of claim 2, wherein the light shielding plate (17) is plate-shaped, and the width of the light shielding plate (17) is less than or equal to the width of the foam (16).
4. The lateral backlight module for improving leakage light with ultra-narrow frame and large viewing angle of claim 3, wherein one side of the light shielding plate (17) is fixed on the light guide plate (12), the other side of the light shielding plate (17) extends towards the direction close to the frame (112), the optical film (13) is provided with an avoiding groove for avoiding the light shielding plate (17), and the side of the light shielding plate (17) is located in the avoiding groove.
5. The side-in backlight module for improving leakage light with ultra-narrow bezel and large viewing angle as claimed in claim 3, wherein one side of the light shielding plate (17) is fixed on the bezel (112), and the other side of the light shielding plate (17) extends to above the light guide plate (12).
6. The lateral backlight module with improved leakage light of ultra-narrow frame and large viewing angle as claimed in any one of claims 1 to 5, wherein the optical film (13) comprises a light blocking portion (13a) which is opaque, and the light blocking portion (13a) is located above the backlight (14).
7. The lateral backlight module for improving leakage light with ultra-narrow frame and large viewing angle of claim 6, wherein the light blocking part (13a) is integrally formed with the optical film (13).
8. The lateral backlight module for improving the leakage lamp with ultra-narrow frame and large viewing angle of claim 1, wherein the thickness of the foam rubber (16) is 0.3 mm-0.8 mm.
9. The lateral backlight module for improving ultra-narrow bezel large-viewing angle leakage lamp of claim 1, wherein the backlight (14) comprises a flexible circuit board and a plurality of LED lamps electrically connected to the flexible circuit board, and the flexible circuit board is fixed to the bezel (112) by a thermal conductive adhesive (18).
10. An on-vehicle display device, characterized in that, include the lateral backlight module of improving the large visual angle leaky lamp of ultra-narrow frame of any claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121129245.6U CN215116870U (en) | 2021-05-24 | 2021-05-24 | Improve side income formula backlight module and vehicle-mounted display device that big visual angle of super narrow frame leaks lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121129245.6U CN215116870U (en) | 2021-05-24 | 2021-05-24 | Improve side income formula backlight module and vehicle-mounted display device that big visual angle of super narrow frame leaks lamp |
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| CN215116870U true CN215116870U (en) | 2021-12-10 |
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| CN202121129245.6U Active CN215116870U (en) | 2021-05-24 | 2021-05-24 | Improve side income formula backlight module and vehicle-mounted display device that big visual angle of super narrow frame leaks lamp |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114488619A (en) * | 2022-02-28 | 2022-05-13 | 京东方科技集团股份有限公司 | Display module and display device |
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2021
- 2021-05-24 CN CN202121129245.6U patent/CN215116870U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114488619A (en) * | 2022-02-28 | 2022-05-13 | 京东方科技集团股份有限公司 | Display module and display device |
| CN114488619B (en) * | 2022-02-28 | 2023-10-27 | 京东方科技集团股份有限公司 | Display module and display device |
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