CN214523627U - TFT assembly mechanism of optical display system - Google Patents
TFT assembly mechanism of optical display system Download PDFInfo
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- CN214523627U CN214523627U CN202120599725.2U CN202120599725U CN214523627U CN 214523627 U CN214523627 U CN 214523627U CN 202120599725 U CN202120599725 U CN 202120599725U CN 214523627 U CN214523627 U CN 214523627U
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Abstract
A TFT component mechanism of an optical display system comprises a TFT optical module and a light guide cover, wherein the TFT optical module comprises a light plate bottom shell, a light plate, a light cup, a diffusion sheet, a TFT lower cover, a TFT and a TFT face cover; the TFT lower cover is of a cavity structure, the TFT surface cover is embedded on the right side of the cavity structure of the TFT lower cover, the TFT is clamped between the TFT lower cover and the TFT surface cover, and the diffusion sheet, the light cup, the light plate and the light plate bottom shell are sequentially embedded on the left side of the cavity structure of the TFT lower cover; the light plate bottom shell is a metal bottom shell with good heat dissipation performance, and the outer end face of the metal bottom shell is provided with heat dissipation fins; annular cushion bodies are respectively clamped between the TFT lower cover and the TFT and between the TFT surface cover and the TFT. The TFT shockproof structure, the light source heat dissipation structure and the light guide cover are additionally arranged on the TFT component mechanism, so that light emitted by the light source is stable and uniform, and the light source efficiency is high.
Description
Technical Field
The utility model relates to an on-vehicle new line display equipment, especially one kind add TFT shock-proof structure and light source heat radiation structure and leaded light cover, make the luminous stable and even efficient TFT subassembly mechanism that is used for new line display optical system of light source simultaneously of light source.
Background
Along with the development of the automobile industry, the technology of auxiliary driving is changing day by day, wherein mainly is the use of on-vehicle new line display equipment, and on-vehicle new line display equipment's effect is replacing the instrument, shows with the angle and the mode that the driver conveniently looked over various information that need know among the automobile driving, and then conveniently drives, improves driving comfort simultaneously.
The existing vehicle-mounted head-up display equipment has the following defects:
when the vehicle-mounted head-up display device is used, the light source assembly is the basis of image display, the structure of the existing light source assembly is too simple, only a simple light-emitting plate is arranged, the heat dissipation effect is poor, when the light source assembly is used, the anti-vibration performance is also very critical, the existing device is lack of the anti-vibration design, the image quality of a light source is further influenced, meanwhile, emergent light of the light source reaches the light path between plane mirrors, the existing device is lack of light beam protection, diffuse reflection is easily generated by the light, the light source efficiency is low, and the image quality of the vehicle-mounted head-up display system is influenced.
Disclosure of Invention
The utility model aims at solving the technical problem, a TFT subassembly mechanism of optical display system is provided, and TFT shockproof structure and light source heat radiation structure and leaded light cover are add to this TFT subassembly mechanism for the light source is luminous stable and even, and the light source is efficient simultaneously.
The TFT is a thin film transistor type display screen.
In order to solve the above-mentioned prior art problem, the technical scheme of the utility model is that:
the utility model relates to a TFT subassembly mechanism of optical display system, optical display system is on-vehicle new line display optical system, and it includes drain pan, commentaries on classics mirror subassembly, motor mechanism, TFT subassembly mechanism, plane mirror subassembly, car windshield, people's eye position, install TFT subassembly mechanism on the drain pan, TFT subassembly mechanism is used for providing light source light for optical display system, the plane mirror subassembly is installed in the exit end of the light source light of TFT subassembly mechanism, the commentaries on classics mirror subassembly is installed in plane mirror subassembly one side, and light source light is sent by TFT subassembly mechanism, arrives the plane mirror subassembly, is transduced to the commentaries on classics mirror subassembly by the plane mirror subassembly, then transmits car windshield, passes through the reverse extension line of light at people's eye position at last, sees the virtual image in front of car windshield;
the TFT assembly mechanism comprises a TFT optical module, and the TFT optical module comprises a light plate bottom shell, a light plate, a light cup, a diffusion sheet, a TFT lower cover, a TFT and a TFT surface cover;
the TFT lower cover is of a cavity structure, the TFT surface cover is embedded on the right side of the cavity structure of the TFT lower cover, the TFT is clamped between the TFT lower cover and the TFT surface cover, and the diffusion sheet, the light cup, the light plate and the light plate bottom shell are sequentially embedded on the left side of the cavity structure of the TFT lower cover;
the light plate bottom shell is a metal bottom shell with good heat dissipation performance, and the outer end face of the metal bottom shell is provided with heat dissipation fins;
the LED lamp comprises a light plate, a diffusion sheet, a light cup, a light source and a light plate, wherein the light plate is provided with a plurality of LED lamp beads which are arranged in a rectangular shape, the light cup is of a square lattice structure, a plurality of squares are arranged on the square lattice structure corresponding to the LED lamp beads, the diffusion sheet is arranged in a manner of being attached to the square lattice structure, the smoothness of the diffusion sheet can be guaranteed, and the light cup, the diffusion sheet and the light plate which are of the square lattice structure are arranged at the same time, so that the light source can emit light uniformly;
annular cushion bodies are respectively clamped between the TFT lower cover and the TFT and between the TFT surface cover and the TFT;
the TFT subassembly mechanism still includes the light guide cover, the light guide cover is including the opening type incident end, the cuboid type light section of thick bamboo, the outgoing end that set gradually, the light guide cover is located TFT subassembly mechanism and the opening type incident end cover of light guide cover locates TFT face lid top.
The inner walls of the TFT lower cover, the TFT face cover and the light guide cover are respectively coated with an extinction coating for reducing light diffuse reflection;
the TFT also includes a data line at a lower end.
The utility model relates to an optical display system's TFT subassembly mechanism, its beneficial effect has:
1. the TFT surface cover and the TFT lower cover are respectively provided with a shockproof mechanism to protect the TFT, and the light source is stable in light emitting;
2. the LEDs are uniformly arranged, and are provided with the grid light cup and the diffusion sheet at the same time, so that the LEDs can uniformly emit light;
3. light guide cover and TFT module butt joint, and the light is gone into the level crossing with the light, eliminates light path astigmatism on the way, reduces the inside diffuse reflection that takes place of light, improves light source efficiency, and each inside part scribbles the extinction coating simultaneously, and the glossiness value is less than 0.5, reduces diffuse reflection, and light source efficiency is high.
Drawings
Fig. 1 is a component exploded view of an optical display system according to the TFT component mechanism of the present invention;
fig. 2 is a split view of a TFT optical module in a TFT assembly mechanism of an optical display system according to the present invention;
fig. 3 is a perspective view of a TFT optical module in a TFT assembly mechanism of an optical display system according to the present invention;
FIG. 4 is a perspective view of the TFT optical module of the embodiment shown in FIG. 2 after being mounted in a bottom housing;
FIG. 5 is a schematic view illustrating the TFT optical module and the light guide cover of the embodiment shown in FIG. 2.
Detailed Description
The invention will be further described with reference to the following examples:
example (b):
as shown in fig. 1-5, the utility model relates to a TFT assembly mechanism of optical display system, optical display system is on-vehicle new line display optical system, and it includes drain pan 1, changes mirror subassembly 2, motor mechanism 3, TFT assembly mechanism 4, level mirror subassembly 6, car windshield, people's eye position, install TFT assembly mechanism 4 on the drain pan 1, TFT assembly mechanism is used for providing light source light for optical display system, the plane mirror subassembly is installed in the exit end of the light source light of TFT assembly mechanism, change mirror subassembly and install in level mirror subassembly one side, light source light is sent by TFT assembly mechanism, arrives plane mirror subassembly, is transduced to the commentaries on classics mirror subassembly by plane mirror subassembly, then transmits car windshield, passes through the reverse extension line of light at people's eye position at last, sees the virtual image in car windshield the place ahead;
the TFT component mechanism 4 comprises a TFT optical module, and the TFT optical module comprises a light plate bottom shell 41, a light plate 42, a light cup 44, a diffusion sheet 45, a TFT lower cover 46, a TFT47 and a TFT face cover 48;
the TFT lower cover 46 is of a cavity structure, the TFT surface cover is embedded on the right side of the cavity structure of the TFT lower cover, the TFT is clamped between the TFT lower cover and the TFT surface cover, and the diffusion sheet, the light cup, the light plate and the light plate bottom shell are sequentially embedded on the left side of the cavity structure of the TFT lower cover;
the light panel bottom shell 41 is a metal bottom shell with good heat dissipation performance, and the outer end face of the metal bottom shell is provided with heat dissipation fins 41 a;
the lighting plate 42 is provided with a plurality of LED lamp beads 42a which are arranged in a rectangular shape, the light cup 44 is of a square lattice structure, the square lattice structure is provided with a plurality of squares 44a corresponding to the LED lamp beads, the diffusion sheet is arranged in a manner of being attached to the square lattice structure, the smoothness of the diffusion sheet can be ensured, and the light cup, the diffusion sheet and the lighting plate which are of the square lattice structure are arranged at the same time, so that the light source can emit light uniformly;
annular cushion bodies are respectively clamped between the TFT lower cover and the TFT and between the TFT surface cover and the TFT;
the TFT subassembly mechanism still includes light guide cover 5, the light guide cover is including the opening type incident end 51, cuboid type light section of thick bamboo 52, the exit end 53 that set gradually, the light guide cover is located on the TFT subassembly mechanism and the opening type incident end cover of light guide cover locates TFT face and covers the top.
The inner walls of the TFT lower cover, the TFT face cover and the light guide cover are respectively coated with an extinction coating for reducing light diffuse reflection;
the TFT also includes a data line at a lower end.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, i.e. the present invention is intended to cover all equivalent variations and modifications within the scope of the present invention.
Claims (3)
1. The utility model provides an optical display system's TFT subassembly mechanism, optical display system is on-vehicle new line display optical system, and it includes drain pan, commentaries on classics mirror subassembly, motor mechanism, TFT subassembly mechanism, plane mirror subassembly, car windshield, people's eye position, installation TFT subassembly mechanism on the drain pan, TFT subassembly mechanism is used for providing light source light for optical display system, plane mirror subassembly installs in the exit end of the light source light of TFT subassembly mechanism, change mirror subassembly and install in plane mirror subassembly one side, and light source light is sent by TFT subassembly mechanism, arrives plane mirror subassembly, transduces to the commentaries on classics mirror subassembly by plane mirror subassembly, then transmits car windshield, finally passes through the reverse extension line of light in people's eye position, sees the virtual image in car windshield the place ahead, its characterized in that:
the TFT assembly mechanism comprises a TFT optical module, and the TFT optical module comprises a light plate bottom shell, a light plate, a light cup, a diffusion sheet, a TFT lower cover, a TFT and a TFT surface cover;
the TFT lower cover is of a cavity structure, the TFT surface cover is embedded on the right side of the cavity structure of the TFT lower cover, the TFT is clamped between the TFT lower cover and the TFT surface cover, and the diffusion sheet, the light cup, the light plate and the light plate bottom shell are sequentially embedded on the left side of the cavity structure of the TFT lower cover;
the light plate bottom shell is a metal bottom shell with good heat dissipation performance, and the outer end face of the metal bottom shell is provided with heat dissipation fins;
the LED lamp comprises a light plate, a diffusion sheet, a light cup, a light source and a light plate, wherein the light plate is provided with a plurality of LED lamp beads which are arranged in a rectangular shape, the light cup is of a square lattice structure, a plurality of squares are arranged on the square lattice structure corresponding to the LED lamp beads, the diffusion sheet is arranged in a manner of being attached to the square lattice structure, the smoothness of the diffusion sheet can be guaranteed, and the light cup, the diffusion sheet and the light plate which are of the square lattice structure are arranged at the same time, so that the light source can emit light uniformly;
annular cushion bodies are respectively clamped between the TFT lower cover and the TFT and between the TFT surface cover and the TFT;
the TFT subassembly mechanism still includes the light guide cover, the light guide cover is including the opening type incident end, the cuboid type light section of thick bamboo, the outgoing end that set gradually, the light guide cover is located TFT subassembly mechanism and the opening type incident end cover of light guide cover locates TFT face lid top.
2. The TFT assembly mechanism of claim 1, wherein the inner walls of the TFT lower cover, the TFT front cover and the light guide cover are coated with a light-extinction coating for reducing the diffuse reflection of light.
3. The TFT assembly structure of claim 1, wherein the TFT further comprises a lower data line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120599725.2U CN214523627U (en) | 2021-03-24 | 2021-03-24 | TFT assembly mechanism of optical display system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120599725.2U CN214523627U (en) | 2021-03-24 | 2021-03-24 | TFT assembly mechanism of optical display system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214523627U true CN214523627U (en) | 2021-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120599725.2U Active CN214523627U (en) | 2021-03-24 | 2021-03-24 | TFT assembly mechanism of optical display system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214523627U (en) |
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2021
- 2021-03-24 CN CN202120599725.2U patent/CN214523627U/en active Active
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