Vehicle-mounted backlight heat dissipation structure

Abstract

The utility model relates to the technical field of module heat dissipation processing, and discloses a vehicle-mounted backlight heat dissipation structure which comprises a vehicle-mounted backlight panel, an iron frame is fixedly connected to the outer wall of the vehicle-mounted backlight panel, a rubber frame is fixedly connected to the outer wall of the iron frame, and a reflection back rubber layer is fixedly connected to the inner side face of the iron frame. A reflecting plate is fixedly connected to the inner wall of the reflecting gum layer, a light guide plate is fixedly connected to the inner wall of the reflecting plate, a diffusion plate is fixedly connected to the side, away from the reflecting plate, of the light guide plate, a lower light enhancement plate is fixedly connected to the inner side face of the diffusion plate, and an upper light enhancement plate is fixedly connected to the side, away from the diffusion plate, of the lower light enhancement plate; the LED light bar is attached to the side wall of the iron frame, heat emitted by the LED light bar is rapidly conducted to the whole back face of the iron frame through the side wall of the iron frame to be dissipated, the temperature of a backlight light bar area can be effectively reduced, the attenuation speed of the LED light bar is slowed down, the brightness and performance of the LED light bar can be kept at a high level more enduringly, and the service life of a vehicle-mounted backlight product is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to module heat dissipation processing technical field, concretely is a vehicle-mounted backlight heat dissipation structure. BACKGROUND

[0002] With the continuous rapid development of science and technology, the improvement of economic living standard, as people's travel tool demand of the car is more and more big, the demand of liquid crystal display screen industry is also rising with the tide, the market demand of product is expanding, the requirement is more and more harsh in all aspects, the heat dissipation effect of vehicle-mounted module backlight product continues to improve and is the theme of the industry worth studying;

[0003] Vehicle-mounted backlight panel refers to a light source assembly for the display screen (such as instrument panel, navigation system, entertainment system, etc.) in the car, and its main function is to provide uniform background light for display content to ensure clear visibility under various lighting conditions, but due to the temperature difference change of the outside world, there will be a large temperature difference in the car when no one is in, and over a long period of time, the life of LED light bar and other electronic components may be significantly shortened in a high temperature environment, increasing the failure rate, resulting in the need for more frequent replacement or repair, high temperature may cause the solder joints on the circuit board to loosen or damage, thereby causing electrical failure and affecting the normal work of the backlight.

[0004] Therefore, a vehicle-mounted backlight heat dissipation structure is proposed. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a vehicle-mounted backlight heat dissipation structure to solve the problems raised in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a vehicle-mounted backlight heat dissipation structure, comprising a vehicle-mounted backlight panel, the outer wall of the vehicle-mounted backlight panel is fixedly connected with an iron frame, the outer wall of the iron frame is fixedly connected with a glue frame, the inner side surface of the iron frame is fixedly connected with a reflective back adhesive layer, the inner wall of the reflective back adhesive layer is fixedly connected with a reflecting plate, the inner wall of the reflecting plate is fixedly connected with a light guide plate, the side of the light guide plate away from the reflecting plate is fixedly connected with a diffusion plate, the inner side surface of the diffusion plate is fixedly connected with a lower light enhancement plate, and the side of the lower light enhancement plate away from the diffusion plate is fixedly connected with an upper light enhancement plate.

[0007] Preferably, the upper light enhancement plate is fixedly connected with a light-shielding adhesive layer on the side away from the lower light enhancement plate.

[0008] Preferably, the inner wall of the iron frame is fixedly connected with an LED light bar.

[0009] Preferably, the bottom of the LED light bar is fixedly connected with an FPC substrate, and the bottom of the FPC substrate is fixedly connected with a light plate fixing double-sided adhesive layer.

[0010] Preferably, a pair of buckling positions are arranged in the middle of the two side walls of the iron frame.

[0011] Compared with the prior art, the present application has the following beneficial effects:

[0012] By attaching the LED light bar to the side wall of the iron frame, the heat generated by the LED light bar is quickly conducted to the entire back of the iron frame through the side wall for heat dissipation, which can effectively reduce the temperature in the backlight light bar area, thereby slowing down the decay rate of the LED light bar, thereby improving the service life of the LED light bar, and the brightness and performance of the LED light bar can be maintained at a high level for a longer period of time, thereby prolonging the service life of the entire vehicle-mounted backlight panel, avoiding uneven brightness or color distortion of the screen of the vehicle-mounted backlight panel, and slowing down the decay rate to maintain the stability and consistency of the display effect. The slow decay rate of the LED light bar can reduce the frequency of replacement and maintenance, thereby reducing the repair and replacement costs, and thereby ensuring the stability of the vehicle-mounted backlight panel product during use. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a schematic diagram of the overall structure of the present application;

[0014] Figure 2 is a schematic diagram of the front of the vehicle-mounted backlight panel of the present application;

[0015] Figure 3 is a schematic diagram of the side view of the overall structure of the present application;

[0016] Figure 4 is a schematic diagram of the side view of the overall structure of the present application; Figure 3 is an enlarged schematic diagram of position A in the present application;

[0017] Figure 5 is a schematic diagram of the partial structure of the side of the vehicle-mounted backlight panel of the present application.

[0018] In the drawings:

[0019] 1, vehicle-mounted backlight panel; 2, iron frame; 3, plastic frame; 4, reflective adhesive layer; 5, reflective plate; 6, light guide plate; 7, diffusion plate; 8, lower light enhancement plate; 9, upper light enhancement plate; 10, light shielding adhesive layer; 11, LED light bar; 12, FPC substrate; 13, light plate fixing double-sided adhesive layer; 14, buckling position. DETAILED DESCRIPTION

[0020] 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. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] Referring to Figures 1 to 5 An embodiment provided by the utility model: a vehicle-mounted backlight heat dissipation structure, vehicle-mounted backlight panel 1 is provided with iron frame 2 on the outer wall, iron frame 2 is provided with glue frame 3 on the outer wall, the inner side of iron frame 2 is provided with reflection back adhesive layer 4, the inner wall of reflection back adhesive layer 4 is provided with reflection plate 5, the inner wall of reflection plate 5 is provided with light guide plate 6, the side of light guide plate 6 away from reflection plate 5 is provided with diffusion plate 7, the inner side of diffusion plate 7 is provided with lower light enhancement plate 8, the side of lower light enhancement plate 8 away from diffusion plate 7 is provided with upper light enhancement plate 9;

[0022] Wherein: glue frame 3 is wrapped on the outer wall of iron frame 2, the shape and size of lower light enhancement plate 8 and upper light enhancement plate 9 are corresponding and consistent;

[0023] Better: when using after the installation of vehicle-mounted backlight panel 1, glue frame 3 is set on the outer wall of iron frame 2 to cover, good elasticity and buffering performance can effectively absorb the vibration and impact generated in the process of vehicle driving, protect the internal components of vehicle-mounted backlight panel 1 from being damaged, provide better sealing performance, prevent external substances such as dust and moisture from entering the equipment inside, prolong the service life of the product, and the material of glue frame 3 has good heat conduction performance, which can help heat dissipation, reduce the working temperature of LED light bar 11, thereby slowing down the decay rate and improving the overall performance, which can effectively seal the gap between iron frame 2 and the display screen, prevent light leakage, thereby improving the uniformity and clarity of the display effect, reflection back adhesive layer 4 can effectively reflect the light emitted by the LED, increase the utilization rate of light, and more light can be directed to vehicle-mounted backlight panel 1, thereby improving the overall brightness and visibility, reflection plate 5 can reduce the energy loss of the light source, improve the overall light efficiency by reflecting the unused light, reduce the energy consumption, light guide plate 6 can uniformly disperse the light emitted by the light source to the entire display area, ensure the uniformity of the brightness of vehicle-mounted backlight panel 1, avoid the appearance of bright spots or dark areas, thereby improving the visual effect, diffusion plate 7 can improve the readability of the display screen under different environmental light conditions, especially in strong light or complex light conditions, so that the information is more clear and visible, and correspondingly, upper light enhancement plate 9 and lower light enhancement plate 8 complement each other in the vehicle-mounted backlight system, and jointly act on improving the display effect, improving the visibility and user experience;

[0024] Upper light enhancement plate 9 is provided with light-shielding adhesive layer 10 on the side away from lower light enhancement plate 8, iron frame 2 is provided with LED light bar 11 on the inner wall, the bottom of LED light bar 11 is provided with FPC substrate 12, the bottom of FPC substrate 12 is provided with light plate fixing double-sided adhesive layer 13, a pair of buckling positions 14 are formed in the middle of the two outer walls of iron frame 2;

[0025] The outer wall of the LED light bar 11 is attached to the inner wall of the iron frame 2.

[0026] More preferably, the light-shielding adhesive layer 10 can enhance the contrast of the display content by reducing light scattering and leakage, making the image more vivid and the details more prominent. It also has a certain protective effect, preventing external light sources from interfering with internal components such as the light guide plate 6, the upper light enhancement plate 9, and the lower light enhancement plate 8, ensuring their normal operation. The LED light bar 11 is attached to the side structure of the iron frame 2, and the heat generated by the LED light bar 11 is quickly conducted through the side wall of the iron frame 2 to the entire back of the iron frame 2 for heat dissipation, effectively reducing the temperature in the backlight bar area and slowing down the decay rate of the LED light bar 11, thereby improving its service life. The FPC substrate 12 has good thermal conductivity, which can help dissipate heat and reduce the working temperature of the components, thereby prolonging the service life of the vehicle-mounted backlight system. The lamp plate fixing double-sided adhesive layer 13 is used to firmly fix the LED light bar 11 on the structure of the vehicle-mounted backlight panel 1, ensuring that it does not loosen or shift during use. Maintaining the correct alignment between the light source and the light guide plate 6 is crucial. Finally, the adhesive frame 3 and the iron frame 2 are connected through the buckle 14.

[0027] The working principle of the above implementation is as follows:

[0028] The working steps are as follows:

[0029] First, the vehicle-mounted backlight panel 1 is installed and used, the rubber frame 3 is connected with the iron frame 2 through the buckle position 14, the outer wall of the iron frame 2 is covered by the rubber frame 3, the good elasticity and buffering performance can effectively absorb the vibration and impact generated in the process of vehicle driving, protect the internal components of the vehicle-mounted backlight panel 1 from being damaged, provide better sealing performance, prevent external substances such as dust and moisture from entering the inside of the equipment, prolong the service life of the product, and the material of the rubber frame 3 has good heat conduction performance, which can help heat dissipation, reduce the working temperature of the LED light bar 11, thereby slowing down the decay rate, improving the overall performance, which can effectively seal the gap between the iron frame 2 and the display screen, prevent light leakage, thereby improving the uniformity and clarity of the display effect, the reflective adhesive layer 4 can effectively reflect the light emitted by the LED, increase the utilization rate of light, so that more light is guided to the vehicle-mounted backlight panel 1, thereby improving the overall brightness and visibility, the reflector plate 5 can reduce the energy loss of the light source, reflect the unused light, improve the overall light efficiency, reduce energy consumption, the light guide plate 6 can uniformly disperse the light emitted by the light source to the entire display area, ensure the uniform brightness of the vehicle-mounted backlight panel 1, avoid bright spots or dark areas, thereby improving the visual effect, the diffuser plate 7 can improve the readability of the display screen under different environmental light conditions, especially in strong light or complex light conditions, so that the information is more clear and visible, accordingly, the upper light enhancement plate 9 and the lower light enhancement plate 8 complement each other in the vehicle-mounted backlight system, and jointly act on improving the display effect, improving the visibility and user experience, the light-shielding adhesive layer 10 can enhance the contrast of the display content by reducing light scattering and leakage, so that the image is more vivid and the details are more prominent, and also has a certain protection effect, preventing external light sources from interfering with internal components such as the light guide plate 6, the upper light enhancement plate 9 and the lower light enhancement plate 8, ensuring normal work;

[0030] The LED light bar 11 is attached to the side structure of the iron frame 2, the heat generated by the LED light bar 11 is quickly conducted to the entire back of the iron frame 2 through the side wall of the iron frame 2 for heat dissipation, which can effectively reduce the temperature of the backlight light bar area, thereby slowing down the decay rate of the LED light bar 11 and improving its service life, the FPC substrate 12 has good thermal conductivity, which can help heat dissipation and reduce the working temperature of the components, thereby prolonging the service life of the vehicle-mounted backlight system, the lamp plate fixing double-sided adhesive layer 13 is used to firmly fix the LED light bar 11 on the structure of the vehicle-mounted backlight panel 1, ensuring that it will not loosen or shift during use.

[0031] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and implementations, it is to be understood that the terminology used is for the purpose of descriptive clarity and that it is intended to be limited only by the words recited in the appended claims. The scope of the present application shall be limited only by the claims.

[0032] While the embodiments of the present application have been shown and described with respect to particular embodiments thereof, it will be understood by those skilled in the art that various changes in form and details can be made therein without departing from the spirit and scope of the application. Therefore, the scope of the application should not be limited by the embodiments, but should be defined only in accordance with the following claims and their equivalents.

Claims

1. A vehicle-mounted backlight heat dissipation structure, characterized in that: The application relates to a vehicle-mounted backlight panel (1), an iron frame (2) is fixedly connected to the outer wall of the vehicle-mounted backlight panel (1), a glue frame (3) is fixedly connected to the outer wall of the iron frame (2), a reflection back glue layer (4) is fixedly connected to the inner side of the iron frame (2), a reflection plate (5) is fixedly connected to the inner wall of the reflection back glue layer (4), a light guide plate (6) is fixedly connected to the inner wall of the reflection plate (5), a diffusion plate (7) is fixedly connected to the side, away from the reflection plate (5), of the light guide plate (6), a lower light increasing plate (8) is fixedly connected to the inner side of the diffusion plate (7), and an upper light increasing plate (9) is fixedly connected to the side, away from the diffusion plate (7), of the lower light increasing plate (8).

2. The backlight heat dissipation structure for vehicle according to claim 1, characterized in that: The upper light increasing plate (9) is fixedly connected with a light shielding glue layer (10) on the side, away from the lower light increasing plate (8).

3. The vehicle-mounted backlight heat dissipation structure according to claim 2, characterized in that: An LED light bar (11) is fixedly connected to the inner wall of the iron frame (2).

4. The backlight heat dissipation structure for vehicle according to claim 3, characterized in that: An FPC substrate (12) is fixedly connected to the bottom of the LED light bar (11), and a lamp plate fixing double-sided glue layer (13) is fixedly connected to the bottom of the FPC substrate (12).

5. The vehicle-mounted backlight heat dissipation structure according to claim 4, characterized in that: A pair of buckling positions (14) are formed in the middle of the outer walls of the two sides of the iron frame (2).

Images