一种车载弧面形背光模组
By using the snap-fit and support structure design of the curved backlight module, the problems of weak light and unstable installation at the angle of the vehicle display screen are solved, achieving a bright and clear picture and a stable installation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- DONGGUAN ZHIGUANG PRECISION MOLDING CO LTD
- Filing Date
- 2025-09-30
- Publication Date
- 2026-07-17
AI Technical Summary
The existing in-vehicle display screens have poor lighting when viewed at an angle, resulting in unclear images, and the installation and fixing methods are cumbersome and unstable.
It adopts a curved backlight module, including a curved back plate and a curved light guide plate. It achieves simple and stable installation through a snap-fit structure and support plate, and the curved design is suitable for the driver's direct viewing angle.
It provides a bright and clear view for the driver, is easy and stable to install, and is easy to assemble, making it suitable for the swaying and bumpy environment of a car.
Smart Images
Figure CN224519087U_ABST
Abstract
Claims
1. A vehicle-mounted conic-shaped backlight module, characterized in that: The device includes a frame, a curved back panel, and a curved light guide plate. The frame comprises an integrally formed left frame, a top frame, a right frame, and a bottom frame. The left and right frames are vertical frames, and the top and bottom frames are curved frames. The curved back panel includes a curved back panel body. A forward-bending left fold strip is connected to the left end of the back panel body, a forward-bending upper fold strip is connected to the top end of the back panel body, a forward-bending right fold strip is connected to the right end of the back panel body, and a forward-bending lower fold strip is connected to the bottom end of the back panel body. The left fold strip is attached to the inner rear end of the left frame, the upper fold strip is attached to the inner rear end of the upper frame, the right fold strip is attached to the inner rear end of the right frame, and the lower fold strip is attached to the inner rear end of the lower frame. The rear ends of the left, upper, right, and lower frames are provided with several slots at intervals. The outer sides of the left, upper, right, and lower fold strips are provided with several corresponding slots. The slots are snapped into the corresponding slots. The arc-shaped light guide plate is installed on the front side of the back panel body.
2. The car-mounted conic-shaped backlight module according to claim 1, characterized in that: A left support plate extending inward is integrally connected to the inner side of the left frame, an upper support plate extending inward is integrally connected to the inner side of the upper frame, a right support plate extending inward is integrally connected to the inner side of the right frame, and a lower support plate extending inward is integrally connected to the inner side of the lower frame. The front end of the left fold strip abuts against the rear side of the left support plate, the front end of the upper fold strip abuts against the rear side of the upper support plate, the front end of the right fold strip abuts against the rear side of the right support plate, and the front end of the lower fold strip abuts against the rear side of the lower support plate. The front sides of the left, upper, right, and lower support plates are used to support the LCD panel.
3. The car-mounted conic-shaped backlight module according to claim 2, characterized in that: The left support plate, upper support plate, right support plate and lower support plate of the frame are connected in sequence.
4. The car-mounted conic-shaped backlight module according to claim 2, characterized in that: The rear side of the left support plate is provided with a left positioning groove for the front end of the left fold strip to be inserted and positioned; the rear side of the upper support plate is provided with an upper positioning groove for the front end of the upper fold strip to be inserted and positioned; the rear side of the right support plate is provided with a right positioning groove for the front end of the right fold strip to be inserted and positioned; and the rear side of the lower support plate is provided with a lower positioning groove for the front end of the lower fold strip to be inserted and positioned.
5. The car-mounted conic-shaped backlight module according to claim 1, wherein: A light strip FPC is installed on the inner side of the lower fold of the curved back plate, and several LEDs are installed at intervals on the light strip FPC. The lower end surface of the curved light guide plate is the light incident surface, and the LEDs face the light incident surface of the curved light guide plate.
6. The car-mounted conic-section-shaped backlight module according to claim 5, characterized in that: The lower end of the arc-shaped back plate is provided with an opening slot, and the light strip FPC is connected to a ribbon cable FPC, which extends outward from the opening slot.
7. The car-mounted concave backlight module according to claim 1, characterized in that: A reflective film is attached to the rear side of the arc-shaped light guide plate, a diffusion film is attached to the front side of the arc-shaped light guide plate, a first brightness enhancement film is attached to the front side of the diffusion film, and a second brightness enhancement film is attached to the front side of the first brightness enhancement film.