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CN-224216967-U - Multicolor-domain high-brightness backlight source

CN224216967UCN 224216967 UCN224216967 UCN 224216967UCN-224216967-U

Abstract

The utility model discloses a multicolor-domain high-brightness backlight source which comprises a lamp bar, wherein a light guide plate is fixedly connected to the side surface of the lamp bar, a reflecting plate is arranged right below the light guide plate, a mounting frame is arranged right above the light guide plate, a diffusion plate is fixedly connected to the inner side wall of the mounting frame, a connecting frame is arranged inside the mounting frame, a liquid crystal screen is fixedly connected to the inner side wall of the connecting frame, a limiting frame is connected to the inner side wall of the limiting frame in a sliding manner, a silica gel box is connected to the inner side wall of the sealing frame in a sliding manner, silica gel is arranged inside the silica gel box, and a limiting rod is connected to the inner side wall of the silica gel box in a sliding manner. Through above-mentioned structure, derive light guide plate and reflecting plate's heat through silica gel, and set up silica gel inside the silica gel box, restrict the silica gel box through gag lever post and spacing frame, be convenient for to its dismouting, can take out silica gel box and inside silica gel from sealing frame at any time to be convenient for change silica gel, keep device radiating effect constantly.

Inventors

  • YU LEI
  • WAN XIAOQING
  • Dong Songjiang

Assignees

  • 无锡夏普显示科技有限公司

Dates

Publication Date
20260508
Application Date
20250425

Claims (8)

  1. 1. The multi-color-domain high-brightness backlight source is characterized by comprising a lamp strip (1), wherein a light guide plate (2) is fixedly connected to the side surface of the lamp strip (1), a reflecting plate (3) is arranged right below the light guide plate (2), a mounting frame (4) is arranged right above the light guide plate (2), a diffusion plate (5) is fixedly connected to the inner side wall of the mounting frame (4), a connecting frame (6) is arranged inside the mounting frame (4), and a liquid crystal screen (7) is fixedly connected to the inner side wall of the connecting frame (6); Spacing frame (8), spacing frame (8) inside wall sliding connection has sealed frame (9), sealed frame (9) inside wall sliding connection has silica gel box (10), silica gel box (10) inside is provided with silica gel (11), silica gel box (10) inside wall sliding connection has gag lever post (12).
  2. 2. The multi-color domain high luminance backlight according to claim 1, wherein the diffusion plate (5) is located directly above the light guide plate (2), and the liquid crystal panel (7) is located directly above the diffusion plate (5).
  3. 3. A multi-color domain high luminance backlight according to claim 1, characterized in that bolts (13) are arranged between the connecting frame (6) and the mounting frame (4), said bolts (13) having four corners and being located at the four corners of the mounting frame (4).
  4. 4. The multi-color-domain high-luminance backlight according to claim 1, wherein the quantum dot film (14) is disposed on the upper surface of the liquid crystal screen (7), and the lower surface of the edge of the liquid crystal screen (7) is in contact with the upper surface of the mounting frame (4).
  5. 5. The multi-color-domain high-brightness backlight source according to claim 1, wherein the side surface of the sealing frame (9) is fixedly connected with the side surface of the light bar (1), and one end, far away from the light guide plate (2), of the light bar (1) is positioned outside the sealing frame (9).
  6. 6. The multi-color-domain high-brightness backlight according to claim 1, wherein the inner side wall of the sealing frame (9) is in contact with the side surfaces of the light guide plate (2) and the reflecting plate (3), and the silica gel boxes (10) are provided with a plurality of silica gel boxes and distributed on three sides of the sealing frame (9).
  7. 7. The multi-color-domain high-luminance backlight according to claim 1, wherein the end of the silica gel (11) is in contact with the side surfaces of the light guide plate (2) and the reflecting plate (3), and one end of the silica gel (11) away from the light guide plate (2) is positioned on the upper surface of the silica gel box (10).
  8. 8. The multi-color-domain high-brightness backlight source according to claim 1, wherein the side surface of the limiting rod (12) is slidably connected with the inner side wall of the sealing frame (9), and the limiting rod (12) is three and is located on three sides of the sealing frame (9).

Description

Multicolor-domain high-brightness backlight source Technical Field The utility model relates to the technical field of backlight sources, in particular to a multicolor-domain high-brightness backlight source. Background In order to keep the light-emitting effect of the existing backlight, a heat radiating component is arranged to conduct heat of the reflecting plate to the outside of the device, the internal sealing property of the reflecting plate is kept, the light-emitting effect is guaranteed, but only the reflecting plate can radiate heat, and the radiating component is inconvenient to disassemble and assemble, for example, the backlight disclosed in China patent is provided with a radiating block on the surface of the reflecting plate at the bottom, the heat of the reflecting plate can be guided to the outside, the internal sealing property of the backlight cannot be damaged, the light-emitting effect of the backlight is guaranteed, but only the reflecting plate radiates heat, and the radiating component is inconvenient to disassemble and assemble. Disclosure of utility model The utility model aims to at least solve one of the technical problems in the prior art, and provides a multicolor-domain high-brightness backlight source, wherein a connecting frame is arranged on the side surface of a liquid crystal screen, the liquid crystal screen can be quickly installed inside a mounting frame through bolts, the use effect of the liquid crystal screen can be maintained, one end of a lamp strip, which is far away from a light guide plate, is positioned outside the sealing frame, the internal heat of the lamp strip can be guided to the outside, the heat dissipation effect of the lamp strip is increased, the lamp strip is conveniently limited from the light guide plate through the sealing frame, the light at the edge of the light guide plate can be blocked, the edge reflection is prevented from influencing the light emission effect, the heat of the light guide plate and a reflecting plate can be led out by silica gel inside the silica gel box, the silica gel box is limited through a limiting rod and the limiting frame, the silica gel box and the silica gel inside the silica gel box can be taken out of the sealing frame at any time, so that the silica gel can be conveniently replaced, and the heat dissipation effect of a device is kept at any time. The utility model further provides the multicolor-domain high-brightness backlight source which comprises the light bar, wherein the light guide plate is fixedly connected to the side surface of the light bar, the reflecting plate is arranged right below the light guide plate, the mounting frame is arranged right above the light guide plate, the diffusion plate is fixedly connected to the inner side wall of the mounting frame, the connecting frame is arranged inside the mounting frame, the liquid crystal screen is fixedly connected to the inner side wall of the connecting frame, the limiting frame is connected with the sealing frame in a sliding mode, the silica gel box is connected to the inner side wall of the sealing frame in a sliding mode, and the limiting rod is connected to the inner side wall of the silica gel box in a sliding mode. Through above part, be provided with the connecting frame at LCD screen side surface, can install the LCD screen in the installing frame inside fast through the bolt, and can keep the result of use of LCD screen, light bar is kept away from light guide plate one end and is located sealed outside the frame, can lead its inside heat outside, increase its radiating effect, be convenient for restrict it from the light guide plate through sealed frame, can block the light at light guide plate edge, prevent that the edge reflection of light from influencing luminous effect, and enable silica gel inside the silica gel box to export the heat of light guide plate and reflecting plate, restrict the silica gel box through gag lever post and limiting frame, be convenient for carry out the dismouting to it, can take out the silica gel box and inside silica gel from sealed frame at any time, thereby be convenient for change silica gel, constantly keep the device radiating effect. According to the multi-color-domain high-luminance backlight source, the diffusion plate is positioned right above the light guide plate, and the liquid crystal screen is positioned right above the diffusion plate. Through above parts for the diffuser plate can expand the colour gamut of light that the light guide plate sent, cooperates the LCD screen to improve luminous effect. According to the multi-color-domain high-brightness backlight source, bolts are arranged between the connecting frame and the mounting frame, and the bolts are four and are positioned at four corners of the mounting frame. Through above parts, be convenient for install connecting frame and inside LCD screen in the installation frame inside. According to the multi-color-domain high-brightness ba