CN221101216U - Backlight module, head-up display and vehicle - Google Patents
Backlight module, head-up display and vehicle Download PDFInfo
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- CN221101216U CN221101216U CN202322861382.4U CN202322861382U CN221101216U CN 221101216 U CN221101216 U CN 221101216U CN 202322861382 U CN202322861382 U CN 202322861382U CN 221101216 U CN221101216 U CN 221101216U
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- 230000017525 heat dissipation Effects 0.000 description 11
- 230000003287 optical effect Effects 0.000 description 5
- 238000009792 diffusion process Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 239000011324 bead Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a backlight module, a head-up display and a vehicle, wherein the backlight module comprises a cavity shell, a lens and a backlight assembly, and the cavity shell is provided with a containing cavity and a first clamping structure; the lens comprises a lens body and a second clamping structure connected to the lens body, the lens body is accommodated in the accommodating cavity, and the first clamping structure is clamped with the second clamping structure; a backlight assembly is mounted to the cavity case, and the backlight assembly is used to emit light to the lens. Through the structure, the first clamping structure and the second clamping structure are mutually clamped, so that the lens can be mounted to the cavity shell, the mounting is convenient, the independent structural member is not required to be arranged for pressing the lens, and the cost is saved.
Description
Technical Field
The embodiment of the utility model relates to the technical field of optical equipment, in particular to a backlight module, a head-up display and a vehicle.
Background
Head-up display (HUD), also known as head-up display is applied in the automotive field, mainly comprises light source module (PGU) and optical display module two major parts, and its principle is: firstly, signal connection is established between the light source module and an automobile port to obtain automobile information (such as driving speed), corresponding image information is generated, then the corresponding image information is reflected to the optical display module, and finally, the corresponding image information is projected to a windshield of an automobile through the optical display module.
The light source module generally comprises a backlight module, the backlight module comprises a cavity shell and a lens, however, the mode of installing the lens to the cavity shell is that the lens is pressed by a separate structural member to realize fixed installation, so that the cost is high, the installation process is troublesome, and inconvenience is brought.
Disclosure of utility model
In order to solve the technical problems, the embodiment of the utility model provides a backlight module, a head-up display and a vehicle which are convenient to install.
The technical scheme adopted by the embodiment of the utility model for solving the technical problems is as follows:
A backlight module comprises a cavity shell, a lens and a backlight assembly, wherein the cavity shell is provided with a containing cavity and a first clamping structure; the lens comprises a lens body and a second clamping structure arranged on the lens body, the lens body is accommodated in the accommodating cavity, and the first clamping structure is clamped with the second clamping structure; a backlight assembly is mounted to the cavity case, and the backlight assembly is used to emit light to the lens.
Optionally, the first clamping structure includes at least one buckle, the buckle is provided with a bayonet, the second clamping structure includes at least one clamping block, and the clamping block is clamped in the bayonet.
Optionally, the cavity housing is provided with at least one first positioning structure and the lens is provided with at least one second positioning structure, both the first positioning structure and the second positioning structure being used together for positioning and mounting the lens to the cavity housing.
Optionally, the first positioning structure includes a positioning boss, the second positioning structure includes a positioning hole, and the positioning boss is disposed in the positioning hole.
Optionally, the backlight assembly includes a light emitting member and an adjusting member, the adjusting member is mounted on the light emitting member, the light emitting member is detachably connected with the cavity shell, the light emitting member is used for emitting light, and the adjusting member is used for converging the light emitted by the light emitting member and then diverging to the lens.
Optionally, the light emitting part includes a plate body and a plurality of light emitting parts of locating on the plate body, a plurality of light emitting parts all are located the same side of plate body, the plate body with the chamber shell can dismantle and be connected.
Optionally, the adjusting piece includes the spotlight portion and the diffusion portion that are connected, spotlight portion is close to for the diffusion portion the light that the light-emitting piece launched, spotlight portion is used for gathering the light that the light-emitting piece launched, diffusion portion is used for diffusing the light that spotlight portion gathered.
Optionally, the backlight module further includes a heat dissipation member detachably connected to an end of the light emitting member facing away from the adjusting member.
Optionally, the backlight module further comprises a display screen, wherein the display screen is mounted on the cavity shell, and the display screen is located on one side, away from the backlight assembly, of the lens.
The technical problems of the embodiment of the utility model are solved by adopting the following technical scheme:
a head-up display comprises the backlight module.
The technical problems of the embodiment of the utility model are solved by adopting the following technical scheme:
a vehicle comprises the head-up display.
The embodiment of the utility model has the beneficial effects that: the backlight module provided by the embodiment of the utility model comprises a cavity shell, a lens and a backlight assembly, wherein the cavity shell is provided with a containing cavity and a first clamping structure; the lens comprises a lens body and a second clamping structure connected to the lens body, the lens body is accommodated in the accommodating cavity, and the first clamping structure is clamped with the second clamping structure; a backlight assembly is mounted to the cavity case, and the backlight assembly is used to emit light to the lens. Through the structure, the first clamping structure and the second clamping structure are mutually clamped, so that the lens can be mounted to the cavity shell, the mounting is convenient, the independent structural member is not required to be arranged for pressing the lens, and the cost is saved.
Drawings
One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which the figures of the drawings are not to be taken in a limiting sense, unless otherwise indicated.
Fig. 1 is a schematic structural diagram of a backlight module according to an embodiment of the application;
FIG. 2 is a schematic view of the lens and chamber housing assembly of FIG. 1;
FIG. 3 is an exploded view of the structure of FIG. 1;
FIG. 4 is a schematic diagram of another view of FIG. 3;
In the figure: 1. a backlight module; 2. a cavity shell; 3. a lens; 4. a backlight assembly; 5. a heat sink; 6. a display screen;
21. A receiving chamber; 22. a first clamping structure; 221. a bayonet; 23. a first positioning structure; 24. a limit clamping hook;
31. a lens body; 32. a second clamping structure; 33. a second positioning structure;
41. a light emitting member; 42. an adjusting member; 421. a light-gathering section; 422. a diffusion section; 423. positioning columns; 411. a plate body; 413. positioning holes; 51. a heat dissipation plate; 52. a heat sink.
Detailed Description
In order that the utility model may be readily understood, a more particular description thereof will be rendered by reference to specific embodiments that are illustrated in the appended drawings. It will be understood that when an element is referred to as being "fixed" to another element, it can be directly on the other element or one or more intervening elements may be present therebetween. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or one or more intervening elements may be present therebetween. The terms "upper," "lower," "inner," "outer," "vertical," "horizontal," and the like as used in this specification, refer to an orientation or positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not denote or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used in this specification includes any and all combinations of one or more of the associated listed items.
In addition, the technical features mentioned in the different embodiments of the utility model described below can be combined with one another as long as they do not conflict with one another.
As shown in fig. 1-2, a backlight module 1 according to one embodiment of the present application includes a cavity 2, a lens 3, and a backlight assembly 4, wherein the lens 3 is disposed on one side of the cavity 2, the backlight assembly 4 is disposed on the other side of the cavity 2, and the backlight assembly 4 is configured to emit light to the lens 3.
Wherein, as shown in fig. 3, the cavity shell 2 is provided with a containing cavity 21 and a first clamping structure 22, the lens 3 comprises a lens body 31 and a second clamping structure 32 arranged on the lens body 31, the lens body 31 is arranged in the containing cavity 21, the first clamping structure 22 is clamped with the second clamping structure 32, so that the lens 3 is arranged in the cavity shell 2, and the lens 3 is fixed on the cavity shell 2 without setting an independent structural member to press the lens 3.
In some embodiments, the cavity shell 2 has an approximately rectangular frame-like structure, the first clamping structure 22 is disposed at a peripheral edge of one side end of the cavity shell 2, and the second clamping structure 32 is disposed at a peripheral edge of the lens body 31, so that the clamping between the lens 3 and the cavity shell 2 is facilitated to be firm, and the risk that the lens 3 is separated from the cavity shell 2 is reduced.
In some embodiments, the first clamping structure 22 includes at least one buckle provided with a bayonet 221, and the second clamping structure 32 includes at least one clamping block clamped to the bayonet 221. Of course, in other embodiments, the first clamping structure 22 may also include at least one clamping block, and the second clamping structure 32 includes at least one buckle, and the bayonet 221 is disposed on the buckle. It can be appreciated that the buckle and the clamping block have certain elasticity, so that when the lens 3 is mounted on the cavity shell 2, the clamping block can firstly jack the buckle open and then enter the bayonet 221, and then the buckle is restored to the original state, so that the lens 3 is clamped on the cavity shell 2.
It should be understood that the first clamping structure 22 and the second clamping structure 32 may be other, as long as the clamping of the lens 3 to the cavity housing 2 is achieved. The first clamping structure 22 is a clamping groove, and the second clamping structure 32 is a clamping hook clamped in the clamping groove.
In some embodiments, the chamber housing 2 is provided with at least one first positioning structure 23 and the lens 3 is provided with at least one second positioning structure 33, both the first positioning structure 23 and the second positioning structure 33 together being used for positioning the lens 3 to be mounted to the chamber housing 2. In this embodiment, the first positioning structure 23 includes a positioning boss, and the second positioning structure 33 includes a positioning hole 413, and the positioning boss is disposed in the positioning hole 413. Of course, the first positioning structure 23 and the second positioning structure 33 may be other, and the first positioning structure 23 is a positioning recess, and the second positioning structure 33 is a positioning protrusion, and the positioning protrusion is disposed in the positioning recess, so that the lens 3 can be quickly positioned and mounted to the cavity shell 2.
In some embodiments, the number of the first positioning structures 23 and the second positioning structures 33 is at least two, the two first positioning structures 23 are arranged on the cavity shell 2 at intervals, the two second positioning structures 33 are arranged on the lens 3 at intervals, and one first positioning structure 23 is correspondingly matched with one second positioning structure 33, so that positioning and installation of the lens 3 and the cavity shell 2 are facilitated.
In some embodiments, as shown in fig. 3 and 4, the backlight assembly 4 includes a light emitting member 41 and an adjusting member 42, the adjusting member 42 is mounted on the light emitting member 41, the light emitting member 41 is detachably connected with the cavity shell 2, the light emitting member 41 is used for emitting light, and the adjusting member 42 is used for converging and then diverging the light emitted by the light emitting member to the lens 3.
The adjusting member 42 includes a light-condensing portion 421 and a diffusing portion 422, wherein the light-condensing portion 421 is disposed near the light-emitting member 41 relative to the diffusing portion 422, the light-condensing portion 421 is configured to condense light emitted by the light-emitting member 41, and the diffusing portion 422 is configured to diffuse the light condensed by the light-condensing portion 421. The light condensing portion 421 and the diffusing portion 422 may be integrally formed, or may be two portions of separate designs.
The light emitting member 41 includes a plate 411 and a plurality of light emitting bodies (not shown) disposed on the plate 411, and the plurality of light emitting bodies (not shown) are disposed at intervals on the same end face of the plate 411. The luminous body (not shown) can be an LED lamp bead, or a lamp strip formed by a plurality of LED lamp beads, and can be other as long as the luminous body can realize luminescence.
In some embodiments, a plurality of positioning posts 423 are disposed on an end surface of the adjusting member 42 facing the light emitting member 41, and a plurality of positioning holes 413 are disposed on the light emitting member 41, where one positioning post 423 is correspondingly abutted to one positioning hole 413, so as to realize rapid positioning and mounting of the adjusting member 42 to the light emitting member 41. In the present embodiment, the adjusting member 42 is disposed in the accommodating chamber 21, and the peripheral edge of the adjusting member 42 abuts against the peripheral edge of the inner wall of the chamber housing 2, so as to achieve rapid positioning and installation of the adjusting member 42 into the depth of the chamber housing 2.
In some embodiments, the backlight module 1 further includes a heat dissipation member 5, where the heat dissipation member 5 is detachably connected to an end of the light emitting member 41 facing away from the light modulation member, and the heat dissipation member 5 is used for dissipating heat from the light emitting member 41. In the present embodiment, the heat dissipation member 5 includes a heat dissipation plate 51 and a plurality of heat dissipation fins 52, one end surface of the heat dissipation plate 51 abuts against the light emitting member 41, and the other end surface of the heat dissipation plate 51 is provided with a plurality of heat dissipation fins 52 disposed at intervals.
The heat sink 51 and the light emitting element 41 may be connected by a bolt or may be bonded by an adhesive, but it is needless to say that other means may be adopted, and the present invention is not limited thereto.
In some embodiments, the backlight module 1 further comprises a display screen 6, the display screen 6 is mounted to the cavity housing 2, and the display screen 6 is located on a side of the lens 3 facing away from the backlight assembly 4. In this embodiment, the display screen 6 is an LCD screen, the display screen 6 is configured to display an image by using light emitted by the lens 3, the cavity shell 2 is provided with a plurality of limiting hooks 24, and the plurality of limiting hooks 24 jointly fasten the display screen 6 to the cavity shell 2.
It will be appreciated that the display screen 6 may be fixed to the chamber housing 2 by a screw, or may be fixed to the chamber housing 2 by magnetic attraction, or may be fixed to the chamber housing 2 by other means, which is not limited herein.
The backlight module 1 provided by the embodiment of the application comprises a cavity shell 2, a lens 3 and a backlight assembly 4, wherein the cavity shell 2 is provided with a containing cavity 21 and a first clamping structure 22; the lens 3 includes a lens body 31 and a second clamping structure 32 connected to the lens body 31, the lens body 31 is accommodated in the accommodating cavity 21, and the first clamping structure 22 is clamped with the second clamping structure 32; a backlight assembly 4 is mounted to the chamber housing 2, and the backlight assembly 4 is used to emit light toward the lens 3. Through the structure, the first clamping structure 22 and the second clamping structure 32 are clamped mutually, so that the lens 3 can be mounted to the cavity shell 2, the mounting is convenient, the lens 3 is not required to be pressed by an independent structural member, and the cost is saved.
The head-up display provided by another embodiment of the present application includes the backlight module 1 of the above embodiment. The head-up display is used for acquiring automobile information (such as driving speed) and generating corresponding image information, and the corresponding image information is projected onto a windshield of an automobile through the optical display module, so that a user can conveniently acquire some information when the automobile is running at any time.
A further embodiment of the application provides a vehicle comprising the head-up display of the above embodiment.
The foregoing description is only of embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes using the descriptions and the drawings of the present utility model or directly or indirectly applied to other related technical fields are included in the scope of the present utility model.
Claims (10)
1. A backlight module, comprising:
the cavity shell is provided with a containing cavity and a first clamping structure;
The lens comprises a lens body and a second clamping structure arranged on the lens body, wherein the lens body is accommodated in the accommodating cavity, and the first clamping structure is clamped with the second clamping structure;
And a backlight assembly mounted to the cavity case, the backlight assembly for emitting light to the lens.
2. A backlight module according to claim 1, wherein the first clamping structure comprises at least one buckle, the buckle is provided with a bayonet, and the second clamping structure comprises at least one clamping block, and the clamping block is clamped in the bayonet.
3. A backlight module according to claim 1, wherein the cavity housing is provided with at least one first positioning structure and the lens is provided with at least one second positioning structure, both the first and second positioning structures being used together for positioning and mounting the lens to the cavity housing.
4. A backlight module according to claim 3, wherein the first positioning structure comprises a positioning boss, and the second positioning structure comprises a positioning hole, and the positioning boss is disposed in the positioning hole.
5. A backlight module according to any one of claims 1 to 4, wherein the backlight assembly comprises a light emitting member and an adjusting member, the adjusting member is mounted on the light emitting member, the light emitting member is detachably connected with the cavity casing, the light emitting member is used for emitting light, and the adjusting member is used for converging the light emitted by the light emitting member and then diverging the light to the lens.
6. A backlight module according to claim 5, wherein the adjusting member comprises a light-condensing portion and a diffusing portion, the light-condensing portion is connected to the diffusing portion, the light-condensing portion is close to the light-emitting member, the light-condensing portion is used for condensing light emitted by the light-emitting member, and the diffusing portion is used for diffusing the light condensed by the light-condensing portion.
7. A backlight module according to claim 5, further comprising a heat sink detachably connected to an end of the light emitting member facing away from the adjusting member.
8. A backlight module according to claim 5, further comprising a display screen mounted to the housing, the display screen being located on a side of the lens facing away from the backlight assembly.
9. A head-up display comprising a backlight module according to any one of claims 1-8.
10. A vehicle comprising the heads-up display of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322861382.4U CN221101216U (en) | 2023-10-24 | 2023-10-24 | Backlight module, head-up display and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322861382.4U CN221101216U (en) | 2023-10-24 | 2023-10-24 | Backlight module, head-up display and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221101216U true CN221101216U (en) | 2024-06-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322861382.4U Active CN221101216U (en) | 2023-10-24 | 2023-10-24 | Backlight module, head-up display and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221101216U (en) |
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2023
- 2023-10-24 CN CN202322861382.4U patent/CN221101216U/en active Active
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