CN216351673U - Backlight module with luminous patterns and vehicle-mounted display device - Google Patents
Backlight module with luminous patterns and vehicle-mounted display device Download PDFInfo
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- CN216351673U CN216351673U CN202123391158.0U CN202123391158U CN216351673U CN 216351673 U CN216351673 U CN 216351673U CN 202123391158 U CN202123391158 U CN 202123391158U CN 216351673 U CN216351673 U CN 216351673U
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- light
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- backlight module
- pattern
- bottom plate
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- 239000012788 optical film Substances 0.000 claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 28
- 229910052742 iron Inorganic materials 0.000 abstract description 14
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 239000010408 film Substances 0.000 description 11
- 239000002390 adhesive tape Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model provides a backlight module with a luminous pattern, which comprises an iron frame, a reflecting plate, a light guide plate and a light bar, wherein the iron frame comprises a bottom plate and a side frame fixedly connected on the bottom plate, the light bar is fixedly connected on the side frame, the reflecting plate is arranged on the bottom plate, the light guide plate is arranged on the reflecting plate, the light bar is arranged corresponding to the light incident side of the light guide plate, the bottom plate is provided with a pattern area, and the pattern area is provided with a plurality of light through holes penetrating through the bottom plate. The backlight module with the light-emitting patterns can enable the back of the iron frame to be provided with the light-emitting patterns, fully utilizes the light source of the light bar and improves the attractiveness of the product. The utility model also relates to a vehicle-mounted display device.
Description
Technical Field
The utility model relates to the technical field of display screens, in particular to a backlight module with luminous patterns and a vehicle-mounted display device.
Background
With the improvement of the living standard of consumers, the aesthetic degree of the interior trim of the vehicle is required to be higher and higher. For the vehicle-mounted liquid crystal display screen, the requirements of not only increasing the size but also better and better display effect and higher appearance are required, if some luminous characters or patterns can be arranged in the backlight of the display screen, the appearance aesthetic degree of the whole display screen can be greatly improved, the luminous characters or patterns need to be realized by an existing light source, if the luminous character or pattern is realized by additionally adding a luminous component on the basis of the display screen which cannot emit light at the back, the structural complexity of the display screen is increased, and the cost is increased.
SUMMERY OF THE UTILITY MODEL
In view of this, the backlight module with the light-emitting pattern of the present invention can make the back of the bezel have the light-emitting pattern, fully utilize the light source of the light bar, and improve the aesthetic property of the product.
The utility model provides a backlight unit with luminous pattern, includes chase, reflecting plate, light guide plate and lamp strip, chase includes bottom plate and the side frame of fixed connection on the bottom plate, and lamp strip fixed connection is in the side frame, and the reflecting plate setting is on the bottom plate, and the light guide plate setting is on the reflecting plate, and the lamp strip corresponds the setting with the income light side of light guide plate, and the bottom plate is equipped with the pattern district, and the pattern district is equipped with a plurality of logical unthreaded holes that run through the bottom plate.
In the utility model, the bottom plate comprises an inner surface and an outer surface which are parallel and opposite, the reflecting plate is arranged on the inner surface, the pattern area of the outer surface is provided with a sinking groove, and each light through hole is communicated with the sinking groove.
In the utility model, the groove wall of the sinking groove is provided with the bearing table, the bearing table is arranged around the circumference of the groove wall, the backlight module with the luminous patterns comprises a transparent plate, and the transparent plate is arranged on the bearing table.
In the utility model, the bearing platform is formed by the inner surface which is sunken towards the outer surface, and the height from the inner surface to the bearing platform is less than the height from the inner surface to the bottom of the groove.
In the utility model, the backlight module with the light-emitting pattern further comprises a first adhesive tape, and the first adhesive tape is arranged between the bearing table and the light-transmitting plate.
In the utility model, the groove wall of the sinking groove is provided with a positioning groove which is arranged around the circumference of the groove wall, the backlight module with the luminous pattern comprises a light-transmitting plate, the light-transmitting plate is provided with a positioning block which is arranged corresponding to the positioning groove, and the positioning block is matched with the positioning groove to fixedly connect the light-transmitting plate and the bottom plate.
In the present invention, the surface of the light-transmitting plate is a frosted surface.
In the utility model, the light-transmitting plate is provided with the colored adhesive tape, and the colored adhesive tape is adhered to the surface of the light-transmitting plate.
In the utility model, the backlight module with the luminous pattern further comprises an optical film and a middle frame, wherein the optical film is arranged on the light guide plate, and the middle frame is arranged on the optical film and fixedly connected with the iron frame.
The utility model also relates to a vehicle-mounted display device which comprises the backlight module with the luminous patterns.
The back light module of the utility model is provided with the pattern area on the bottom plate, and the pattern area is connected with the light through hole, therefore, when the light bar emits light, the reflecting plate can not completely reflect the light, and the part of the light which can not be reflected is emitted from the light through hole of the pattern area, so that the bottom plate of the back light module has luminous patterns, thereby not only fully utilizing the light, but also improving the aesthetic property of the product.
Drawings
Fig. 1 is a schematic view of a split structure of a backlight module with a light-emitting pattern according to a first embodiment of the utility model.
Fig. 2 is a schematic cross-sectional structure diagram of a backlight module with a light-emitting pattern according to a first embodiment of the utility model.
Fig. 3 is a schematic top view of the chase according to the first embodiment of the present invention.
FIG. 4 is a schematic diagram illustrating a top view of a pattern region according to a first embodiment of the present invention.
Fig. 5 is a schematic cross-sectional view of the iron frame at the light through hole according to the first embodiment of the present invention.
Fig. 6 is a schematic bottom view of the iron frame according to the first embodiment of the present invention.
Fig. 7 is a schematic cross-sectional view of an iron frame at a light through hole according to a second embodiment of the present invention.
Detailed Description
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
Fig. 1 is a schematic view of a split structure of a backlight module having a light-emitting pattern according to a first embodiment of the present invention, fig. 2 is a schematic view of a cross-sectional structure of the backlight module having the light-emitting pattern according to the first embodiment of the present invention, fig. 4 is a schematic view of a top view structure of a pattern area according to the first embodiment of the present invention, as shown in fig. 1, fig. 2 and fig. 4, the backlight module having the light-emitting pattern includes an iron frame 11, a reflective plate 12, a light guide plate 13 and a light bar 14, the iron frame 11 includes a bottom plate 111 and a side frame 112 fixedly connected to the bottom plate 111, the light bar 14 is fixedly connected to the side frame 112, the reflective plate 12 is disposed on the bottom plate 111, the light guide plate 13 is disposed on the reflective plate 12, the light bar 14 is disposed corresponding to a light incident side of the light guide plate 13, the bottom plate 111 is disposed with a pattern area 111c, and the pattern area 111c is disposed with a plurality of light-passing holes 101 penetrating through the bottom plate 111. In this embodiment, the reflective plate 12 is fixedly connected to the bottom plate 111 through a double-sided adhesive tape, the light guide plate 13 is fixedly connected to the bottom plate 111 through a double-sided adhesive tape, and the light bar 14 is fixedly connected to the inner wall of the side frame 112 through a heat-conducting double-sided adhesive tape; the bottom plate 111 and the side frame 112 are of an integral die casting structure; in particular, the pattern area 111c may be a simple animal or flower pattern, or a character or number pattern, but not limited thereto.
According to the backlight module, the pattern area 111c is arranged on the bottom plate 111, and the pattern area 111c is connected with the light through hole 101, so that when the light bar 14 emits a light source, the light cannot be totally reflected by the reflecting plate 12, and part of the light which cannot be reflected is emitted from the light through hole 101 of the pattern area 111c, so that the bottom plate 111 of the backlight module has a luminous pattern, the light can be fully utilized, and the attractiveness of a product can be improved.
Further, the base plate 111 includes an inner surface 111a and an outer surface 111b which are parallel and opposite to each other, the reflection plate 12 is disposed on the inner surface 111a, the pattern region 111c of the outer surface 111b is provided with a sink 102, and each of the light passing holes 101 communicates with the sink 102. In the embodiment, there are 4 or 6 light passing holes 101, for example, and the light passing holes 101 are symmetrically arranged with each other, but the arrangement of the light passing holes 101 in the present invention is not limited to the above.
Fig. 3 is a schematic top view structure diagram of an iron frame according to a first embodiment of the present invention, fig. 5 is a schematic cross-sectional structure diagram of the iron frame at a through hole according to the first embodiment of the present invention, fig. 6 is a schematic bottom view structure diagram of the iron frame according to the first embodiment of the present invention, as shown in fig. 3, fig. 5 and fig. 6, a carrying platform 113 is disposed on a groove wall of the sunken groove 102, the carrying platform 113 is disposed around a circumferential direction of the groove wall, the backlight module having a light emitting pattern includes a light transmissive plate 15, and the light transmissive plate 15 is mounted on the carrying platform 113. In this embodiment, the material of the light-transmitting plate 15 is the same as the material of the light-guiding plate 13, so that light can be emitted from the light-transmitting plate 15 to form a light-emitting pattern.
Further, the susceptor 113 is formed by the inner surface 111a being recessed toward the outer surface 111b, and the height from the inner surface 111a to the susceptor 113 is smaller than the height from the inner surface 111a to the bottom of the groove. In this embodiment, the supporting platform 113 is used for installing the light-transmitting plate 15, and prevents external dust from entering the inside of the backlight module through the light-passing hole 101 to affect the display effect of the backlight module, and meanwhile, the light-transmitting plate 15 can prevent the backlight module from entering water, so that the flexible circuit board or the reflecting plate 12 in the backlight module is damaged, and the quality of the product is improved.
Further, the backlight module with the light-emitting pattern further includes a first tape 16, and the first tape 16 is disposed between the supporting platform 113 and the transparent plate 15. In this embodiment, the first adhesive tape 16 is used to fix the light-transmitting plate 15 on the bearing platform 113, so as to avoid the light-transmitting plate 15 from generating a loose abnormal sound, which affects the user experience.
Further, the surface of the light-transmitting plate 15 is a frosted surface. In this embodiment, the surface of the transparent plate 15 is made into a frosted surface, so that the emitted light has not only a pattern but also an atomization effect, and the light is more uniform.
Further, the light-transmitting plate 15 is provided with a color tape, and the color tape is adhered to the surface of the light-transmitting plate 15. In this embodiment, the colored tape is, for example, red, yellow or green, so that the emitted pattern has a single color or a plurality of colors.
In another preferred embodiment, a dye with color can be added into the transparent plate 15 to make the light passing through the pattern area 111c have a color effect, but not limited thereto.
Further, the backlight module with the light-emitting pattern further comprises an optical film and a middle frame 17, wherein the optical film is arranged on the light guide plate 13, and the middle frame 17 is arranged on the optical film and fixedly connected with the iron frame 11. In this embodiment, the optical film includes a diffusion film 181, a lower brightness enhancement film 182, an upper brightness enhancement film 183, and a brightness enhancement film 184, the diffusion film 181 is fixedly connected to the light guide plate 13, the lower brightness enhancement film 182 is fixedly connected to the diffusion film 181, the upper brightness enhancement film 183 is fixedly connected to the lower brightness enhancement film 182, and the brightness enhancement film 184 is fixedly connected to the upper brightness enhancement film 183, and the above-mentioned fixing connection manner can be connected by a double-sided tape or a latch and a latch hole, but not limited thereto.
Furthermore, the backlight module with the luminous patterns further comprises foam cotton rubber 19, the foam cotton rubber 19 is fixedly connected to the middle frame 17, and the foam cotton rubber 19 is used for buffering and fixing the display screen.
Second embodiment
Fig. 7 is a schematic cross-sectional view of an iron frame at a light through hole according to a second embodiment of the present invention, and as shown in fig. 7, the backlight module with a light emitting pattern of the present embodiment is substantially the same in structure as the backlight module with a light emitting pattern of the first embodiment, except that the structure of the sinking groove 102 is different.
Specifically, the groove wall of the sinking groove 102 is provided with a positioning groove 103, the positioning groove 103 is arranged around the circumference of the groove wall, the backlight module with the light-emitting pattern comprises a light-transmitting plate 15, the light-transmitting plate 15 is provided with a positioning block 151 correspondingly arranged with the positioning groove 103, and the positioning block 151 is matched with the positioning groove 103 to fixedly connect the light-transmitting plate 15 with the bottom plate 111. In this embodiment, the protruding this locating piece 151 that forms of side of light-transmitting plate 15, and the preferred integrative structural design of locating piece 151 and light-transmitting plate 15, the cooperation of locating piece 151 and constant head tank 103 can be with light-transmitting plate 15 fixed connection on chase 11, avoids light guide plate 13 to appear vibrations abnormal sound phenomenon, influences customer's use and experiences.
The utility model also relates to a vehicle-mounted display device which comprises the backlight module with the luminous patterns. In the present embodiment, the on-board display device is, for example, an automobile display screen, an on-board central control, an on-board meter display, an on-board streaming rearview mirror, or the like, but not limited thereto.
The present invention is not limited to the specific details of the above-described embodiments, and various simple modifications may be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention. The various features described in the foregoing detailed description may be combined in any suitable manner without departing from the scope of the utility model. The utility model is not described in detail in order to avoid unnecessary repetition.
Claims (10)
1. The utility model provides a backlight module with luminous pattern, its characterized in that, includes chase (11), reflecting plate (12), light guide plate (13) and lamp strip (14), chase (11) include bottom plate (111) and fixed connection side frame (112) on bottom plate (111), lamp strip (14) fixed connection in side frame (112), reflecting plate (12) set up on bottom plate (111), light guide plate (13) set up on reflecting plate (12), lamp strip (14) with the income light side of light guide plate (13) corresponds the setting, bottom plate (111) are equipped with pattern district (111c), pattern district (111c) are equipped with a plurality of running through the clear aperture (101) of bottom plate (111).
2. The backlight module with luminous patterns according to claim 1, wherein the bottom plate (111) comprises an inner surface (111a) and an outer surface (111b) which are parallel and opposite, the reflective plate (12) is disposed on the inner surface (111a), the pattern region (111c) of the outer surface (111b) is provided with a sunken groove (102), and each of the light passing holes (101) is communicated with the sunken groove (102).
3. The backlight module with a light-emitting pattern according to claim 2, wherein a groove wall of the sunken groove (102) is provided with a bearing platform (113), the bearing platform (113) is arranged around the circumference of the groove wall, the backlight module with a light-emitting pattern comprises a light-transmitting plate (15), and the light-transmitting plate (15) is mounted on the bearing platform (113).
4. The backlight module with a luminous pattern as claimed in claim 3, wherein the carrier (113) is formed by the inner surface (111a) being recessed toward the outer surface (111b), and the height from the inner surface (111a) to the carrier (113) is smaller than the height from the inner surface (111a) to the bottom of the groove.
5. The backlight module with a light-emitting pattern according to claim 3, further comprising a first tape (16), wherein the first tape (16) is disposed between the carrier (113) and the transparent plate (15).
6. The backlight module with a light-emitting pattern according to claim 2, wherein a positioning groove (103) is formed in a groove wall of the sinking groove (102), the positioning groove (103) is disposed around a circumference of the groove wall, the backlight module with a light-emitting pattern comprises a light-transmitting plate (15), the light-transmitting plate (15) is provided with a positioning block (151) corresponding to the positioning groove (103), and the positioning block (151) is matched with the positioning groove (103) to fixedly connect the light-transmitting plate (15) and the bottom plate (111).
7. The backlight module with a luminescent pattern as claimed in any one of claims 3 to 6, wherein the surface of the light-transmitting plate (15) is frosted.
8. The backlight module with a light-emitting pattern according to claim 7, wherein the light-transmitting plate (15) is provided with a color tape, and the color tape is adhered to the surface of the light-transmitting plate (15).
9. The backlight module with luminous patterns as claimed in claim 8, further comprising an optical film and a middle frame (17), wherein the optical film is disposed on the light guide plate (13), and the middle frame (17) is disposed on the optical film and fixedly connected to the bezel (11).
10. A vehicle-mounted display device, characterized by comprising the backlight module with a luminous pattern of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123391158.0U CN216351673U (en) | 2021-12-29 | 2021-12-29 | Backlight module with luminous patterns and vehicle-mounted display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123391158.0U CN216351673U (en) | 2021-12-29 | 2021-12-29 | Backlight module with luminous patterns and vehicle-mounted display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216351673U true CN216351673U (en) | 2022-04-19 |
Family
ID=81166303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123391158.0U Active CN216351673U (en) | 2021-12-29 | 2021-12-29 | Backlight module with luminous patterns and vehicle-mounted display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216351673U (en) |
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2021
- 2021-12-29 CN CN202123391158.0U patent/CN216351673U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Backlight module with luminous pattern and on-board display device Effective date of registration: 20221026 Granted publication date: 20220419 Pledgee: Shenzhen hi tech investment small loan Co.,Ltd. Pledgor: SHENZHEN HADBEST ELECTRONICS CO.,LTD. Registration number: Y2022980019651 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231219 Granted publication date: 20220419 Pledgee: Shenzhen hi tech investment small loan Co.,Ltd. Pledgor: SHENZHEN HADBEST ELECTRONICS CO.,LTD. Registration number: Y2022980019651 |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 518000 floor 1, 2-4, and floor 1-3, No. 222-2, Buxin Road, Xinlan community, Guanlan street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Handamei Electronics Co.,Ltd. Country or region after: China Address before: 518000 floor 1, 2-4, and floor 1-3, No. 222-2, Buxin Road, Xinlan community, Guanlan street, Longhua District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN HADBEST ELECTRONICS CO.,LTD. Country or region before: China |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Backlight module with luminous pattern and vehicle display device Granted publication date: 20220419 Pledgee: Shenzhen hi tech investment small loan Co.,Ltd. Pledgor: Shenzhen Handamei Electronics Co.,Ltd. Registration number: Y2024980007322 |