CN213339419U

CN213339419U - High-temperature-resistant vehicle-mounted display backlight source

Info

Publication number: CN213339419U
Application number: CN202022030941.3U
Authority: CN
Inventors: 周净
Original assignee: Shenzhen Zhichen Electronic Technology Co ltd
Current assignee: Shenzhen Zhichen Electronic Technology Co ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-06-01
Anticipated expiration: 2030-09-16

Abstract

The utility model discloses a high temperature resistant vehicle-mounted display backlight source, which comprises a rubber frame, wherein a PCB (printed Circuit Board) is fixedly connected with the inner wall of the rubber frame, a light guide plate is fixedly connected with the inner cavity of the rubber frame, a reflective film is arranged at the lower side of the light guide plate and is fixedly connected with the inner wall of the rubber frame, a diffusion film is fixedly connected with the upper side of the light guide plate, a double-sided adhesive layer is arranged at the upper side of the diffusion film, a light source is fixedly connected with one end of the PCB, the other end of the PCB is fixedly connected with a power supply, a fixing frame is fixedly connected with one end of the rubber frame, a fixing buckle is fixedly connected with the lower side of the rubber frame, a positioning column is fixedly connected with the outer wall of the lower side of the rubber frame, a limiting hole for, the utility model discloses can dispel the heat fast with the backlight, the installation that the backlight can be quick accurate simultaneously.

Description

High-temperature-resistant vehicle-mounted display backlight source

Technical Field

The utility model relates to a relevant technical field of backlight, concretely a high temperature resistant vehicle-mounted display backlight.

Background

The automobile is seen everywhere in daily life, the automobile has gradually become a part of people's daily life, and the central control screen is indispensable in the automobile component, and the central control screen of automobile comprises backlight and display screen, and the backlight of automobile among the prior art dispels the heat slowly to influence the normal use of central control screen.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high temperature resistant vehicle-mounted display backlight to the backlight heat dissipation of car among the prior art who proposes among the solution above-mentioned background art is slow, thereby controls the problem of the normal use of screen in the influence.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a high temperature resistant on-vehicle demonstration backlight, is including gluing the frame, glue frame inner wall fixedly connected with PCB circuit board, glue frame inner chamber fixedly connected with light guide plate, the light guide plate downside is equipped with the reflective membrane, the reflective membrane with glue frame inner wall fixed connection, light guide plate upside fixedly connected with diffusion barrier, the diffusion barrier upside is equipped with double faced adhesive layer.

Preferably, one end of the PCB circuit board is fixedly connected with a light source, and the other end of the PCB circuit board is fixedly connected with a power supply.

Preferably, glue frame one end fixedly connected with mount, glue frame downside fixedly connected with fixed buckle, glue frame downside outer wall fixedly connected with reference column, glue frame one side and offer the spacing hole that is used for the light source installation, glue frame inner chamber bottom fixedly connected with heating panel, the heating panel runs through and glues the frame inner wall.

Preferably, the double-sided adhesive layer is a black and white double-sided adhesive tape.

Preferably, the lower side of the reflective film is fixedly connected with a heat conduction layer.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses, give the heating panel through setting up the unnecessary heat transfer that the heat-conducting layer produced the backlight when using, it is slow to have solved the backlight heat dissipation of car among the prior art to accuse screen's technical problem of normal use, the radiating rate of great improvement backlight in the influence.

2. Through setting up reference column and buckle, confirm the mounted position of backlight by the reference column when installing the backlight, fix by the buckle again, effectual solved the backlight and appeared positional deviation's when the installation is fixed technical problem, fixed mounting backlight that can be quick accurate.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic structural view of the rubber frame in the embodiment of the present invention.

Fig. 3 is a front view structural section view of the embodiment of the present invention.

Fig. 4 is a partial enlarged view of an embodiment of the present invention.

Fig. 5 is a partial enlarged view of an embodiment of the present invention.

In the figure: 1. a diffusion membrane; 2. a light guide plate; 3. a light-reflecting film; 31. a heat conductive layer; 4. a double-sided adhesive layer; 5. a PCB circuit board; 51. a light source; 52. a power source; 6. a rubber frame; 61. a fixed mount; 62. buckling; 63. a limiting hole; 64. a heat dissipation plate; 65. and a positioning column.

Detailed Description

Can dispel the heat fast in order to make the backlight, the installation that the backlight can be quick accurate simultaneously, the embodiment of the utility model provides a high temperature resistant vehicle-mounted display backlight. The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-5, the present embodiment provides a high temperature resistant vehicle-mounted display backlight source, which includes a plastic frame 6, a PCB circuit board 5 is fixedly connected to an inner wall of the plastic frame 6, a light guide plate 2 is fixedly connected to an inner cavity of the plastic frame 6, a reflective film 3 is arranged on a lower side of the light guide plate 2, the reflective film 3 is fixedly connected to an inner wall of the plastic frame 6, a diffusion film 1 is fixedly connected to an upper side of the light guide plate 2, a double-sided adhesive layer 4 is arranged on an upper side of the diffusion film 1, the double-sided adhesive layer 4 is a black and white double-sided adhesive, a light source 51 is fixedly connected to one end of the PCB circuit board 5, a limiting hole 63 for mounting the light source 51 is formed in one side of the plastic frame 6, a power source 52.

In this embodiment, the power source 52 is turned on, the light source 51 converts the electric energy into light energy, at this time, the light source 51 emits light, the light passes through the light guide plate 2, the light guide plate 2 converts the light from the linear light source into a surface light source, meanwhile, the light that is not utilized is reflected back to the light guide plate 2 by the reflective film 3 and is continuously converted into the surface light source by the light guide plate 2, and the surface light source makes the light uniformly step by step on the whole screen through the diffusion film 1.

Example 2

Referring to fig. 1-5, a further improvement is made on the basis of embodiment 1: glue 6 inner chamber bottom fixedly connected with heating panel 64 of frame, heating panel 64 runs through gluey 6 inner walls of frame, 3 downside fixedly connected with heat-conducting layer 31 of reflective membrane, heating panel 64 and the laminating of heat-conducting layer 31, wherein heat-conducting layer 31 is the silicone grease layer, and the unnecessary heat that produces on the reflective membrane 3 passes through the silicone grease conduction and gives heating panel 64, dispels the heat by heating panel 64 again to make the backlight can dispel the heat fast.

Example 3

Referring to fig. 1-5, a further improvement is made on the basis of embodiment 1: glue 6 one end fixedly connected with mounts 61 of frame, glue 6 downside fixedly connected with buckles 62 of frame, glue 6 downside outer wall fixedly connected with reference column 65 of frame, wherein buckle 62 requires resistant buckling, toward strutting 30 constantly blushing outward, inwards press 30 constantly blushing, fixed with car parts by buckle 62 behind the mounted position of frame 6 and car parts is glued in reference column 65 fixed, it is fixed with car parts again to glue frame 6 and car main part by mounts 61 to carry out quick accurate installation to the backlight.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high temperature resistant on-vehicle demonstration backlight, includes gluey frame (6), its characterized in that: glue frame (6) inner wall fixedly connected with PCB circuit board (5), glue frame (6) inner chamber fixedly connected with light guide plate (2), light guide plate (2) downside is equipped with reflective membrane (3), reflective membrane (3) and gluey frame (6) inner wall fixed connection, light guide plate (2) upside fixedly connected with diffusion barrier (1), diffusion barrier (1) upside is equipped with two-sided glue film (4).

2. The high temperature resistant vehicle-mounted display backlight source of claim 1, wherein: one end of the PCB (5) is fixedly connected with a light source (51), and the other end of the PCB (5) is fixedly connected with a power supply (52).

3. The high temperature resistant vehicle-mounted display backlight source of claim 1, wherein: glue frame (6) one end fixedly connected with mount (61), glue frame (6) downside fixedly connected with buckle (62), glue frame (6) downside outer wall fixedly connected with reference column (65), glue frame (6) one side and offer spacing hole (63) that are used for light source (51) installation, glue frame (6) inner chamber bottom fixedly connected with heating panel (64), heating panel (64) run through and glue frame (6) inner wall.

4. The high temperature resistant vehicle-mounted display backlight source of claim 1, wherein: the double-sided adhesive layer (4) is a black and white double-sided adhesive tape.

5. The high temperature resistant vehicle-mounted display backlight source of claim 3, wherein: the lower side of the reflective film (3) is fixedly connected with a heat conduction layer (31).