CN218866266U

CN218866266U - BLD backlight source

Info

Publication number: CN218866266U
Application number: CN202320119551.4U
Authority: CN
Inventors: 汪泽洪; 李旺
Original assignee: Dongguan Hongzexin Photoelectric Co ltd
Current assignee: Dongguan Hongzexin Photoelectric Co ltd
Priority date: 2023-01-30
Filing date: 2023-01-30
Publication date: 2023-04-14
Anticipated expiration: 2033-01-30

Abstract

The utility model discloses a BLD backlight relates to backlight technical field. Including diffusion subassembly, backlight subassembly and installing frame, diffusion subassembly and backlight subassembly are fixed mutually with the installing frame inner wall, the installing frame back is provided with the mounting panel, and the four corners of mounting panel is provided with the mounting hole, all is provided with buffer gear between the top of installing frame and mounting panel and between the bottom, and buffer gear's both sides all are provided with the direction subassembly, and are preferred, the direction subassembly include with the mounting panel looks fixed socket cover and with the installing frame looks fixed inserted shaft. The utility model discloses be provided with buffer gear and direction subassembly, during the use, the staff passes through the mounting hole with the bolt and fixes the mounting panel in suitable position, and to the fixed in-process of backlight subassembly, thereby backlight subassembly backward movement extrusion articulated slab, the articulated slab drives the spring shrink when removing to both sides to the realization plays the effect of buffering to the backlight subassembly, protects the safety of relevant device in the backlight subassembly.

Description

BLD backlight source

Technical Field

The utility model relates to a backlight technical field specifically is a BLD backlight.

Background

BackLight (BackLight) is a light source located behind a Liquid Crystal Display (LCD) and its lighting effect directly affects the visual effect of the liquid crystal display module (LCM). The liquid crystal display does not emit light itself, and it displays a pattern or its result of modulating light.

BLD represents a backlight driving signal output by the backlight control circuit, and the backlight driving signal (BLD) drives the backlight source to light up.

The utility model discloses a china utility model, the grant announcement number "CN 207817373U" discloses a BLD backlight, including the backlight shell, backlight board, draw-in groove and reflector plate, this BLD backlight, the bottom of backlight shell is provided with the backing plate, and is provided with damping spring between backing plate and the backlight shell, when the backlight shell is fixed like this, can play absorbing effect to the backlight board, reduce the vibrations dynamics to the backlight board, it is more troublesome to have solved the installation between the optical film piece of the backlight that its background art provided, lead to the technical problem that the availability factor to this backlight reduces. However, the conventional BLD backlight source has problems that an effective shock absorption protection function is not available during installation and a heat dissipation effect is poor during use, and thus, a BLD backlight source is proposed to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a BLD backlight to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a BLD backlight, includes diffusion subassembly, backlight subassembly and installing frame, and diffusion subassembly and backlight subassembly are fixed mutually with the installing frame inner wall, the installing frame back is provided with the mounting panel, and the four corners of mounting panel is provided with the mounting hole, all is provided with buffer gear between the top of installing frame and mounting panel and between the bottom, and buffer gear's both sides all are provided with the direction subassembly.

Preferably, the guide assembly comprises a socket sleeve fixed with the mounting plate and an insertion shaft fixed with the mounting frame, the end parts of the socket sleeve and the insertion shaft are respectively integrally formed with a limiting ring and a limiting block, and the limiting block is movably arranged in a sliding groove formed by the socket sleeve and the limiting ring.

Preferably, buffer gear is fixed with the fixed axle including seting up the rectangular channel in the installation frame framework between the rectangular channel inner wall, and swing joint has two sliders on the axis body of fixed axle, all is fixed with the spring between the inner wall of every slider and rectangular channel, and the side of mounting panel is fixed with the fixed block, and the side of fixed block is fixed with two second connecting axles, and the front of slider is fixed with first connecting axle, and swing joint has the articulated slab on the axis body of the first connecting axle of one side, the opposite side and the second connecting axle swing joint of articulated slab.

Preferably, the fixed shaft is located within the coil of the spring.

Preferably, the side surface of the backlight source assembly is fixedly adhered with a heat dissipation plate through a heat conducting silica gel, and the side surface of the heat dissipation plate is integrally formed with a plurality of heat dissipation fins.

Preferably, the heat dissipation plate is made of an aluminum plate.

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

when the BLD backlight source is used, a worker fixes the mounting plate at a proper position through the mounting hole by using a bolt, the backlight source component moves backwards to press the hinged plate in the process of fixing the backlight source component, and the hinged plate drives the spring to contract when moving towards two sides, so that the buffering effect is realized when the backlight source component is mounted, and the safety of related devices in the backlight source component is protected;

in addition, the backlight source assembly is further provided with a heat dissipation plate and heat dissipation fins, after the backlight source assembly is lightened through BLD driving, heat generated when the backlight source assembly works is conducted to the heat dissipation plate and the heat dissipation fins, the heat dissipation area is increased due to the arrangement of the heat dissipation plate and the heat dissipation fins, heat dissipation efficiency is improved, and the service life of the backlight source assembly is prolonged.

Drawings

Fig. 1 is a left side axial view of the present invention;

FIG. 2 is a half-sectional view of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is a detail view of the buffer mechanism after the mounting plate is removed.

In the figure: 1. installing a frame; 2. a diffusion component; 3. a backlight unit; 4. a buffer mechanism; 401. a fixed shaft; 402. a slider; 403. a spring; 404. a fixed block; 405. a first connecting shaft; 406. a hinge plate; 5. a guide assembly; 501. a socket sleeve; 502. a limiting ring; 503. inserting a shaft; 504. a limiting block; 6. a heat dissipation plate; 601. a heat dissipating fin; 7. mounting a plate; 701. and (7) installing holes.

Detailed Description

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.

It should be noted that, in the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Further, it will be appreciated that the dimensions of the various elements shown in the figures are not drawn to scale, for ease of description, e.g., the thickness or width of some layers may be exaggerated relative to other layers.

It should be noted that like reference numerals and letters refer to like items in the following figures, and thus, once an item is defined or illustrated in one figure, it will not need to be further discussed or illustrated in detail in the description of the following figure.

As shown in fig. 1-4, the utility model provides a technical solution: a BLD backlight source comprises a diffusion component 2, a backlight source component 3 and a mounting frame 1, wherein the diffusion component 2 consists of a light guide plate, a diffusion plate, a brightness enhancement film, a reflector plate and a shading film, and the backlight source component 3 consists of a glass substrate, a hole transmission layer, an organic light emitting layer, an electron transmission layer and a backlight source plate, which are all the prior art; the diffusion subassembly 2 and the backlight subassembly 3 are installed in the installing frame 1, are provided with mounting panel 7 at the installing frame 1 back, are provided with mounting hole 701 in the four corners of mounting panel 7, and the mounting hole 701 is preferably the screw hole, during the installation, passes mounting hole 701 through the bolt to fix mounting panel 7 in relevant position, all be provided with buffer gear 4 between the top of installing frame 1 and mounting panel 7 and between the bottom, all be provided with direction subassembly 5 in buffer gear 4's both sides.

In order to improve the connection stability between the mounting frame 1 and the mounting plate 7, as shown in fig. 2 and fig. 3, the guiding assembly 5 includes a socket sleeve 501 fixed to the mounting plate 7 and an inserting shaft 503 fixed to the mounting frame 1, a limiting ring 502 and a limiting block 504 are respectively integrally formed at the end portions of the socket sleeve 501 and the inserting shaft 503, and the limiting block 504 is movably disposed in a sliding slot formed by the socket sleeve 501 and the limiting ring 502, when mounting, the limiting block 504 can horizontally move in the sliding slot, and the guiding assembly 5 supports the mounting frame 1 and the mounting plate 7, thereby improving the connection stability between the mounting frame 1 and the mounting plate 7.

Play the effect of buffering when installing backlight unit 3, the safety of relevant device in the protection backlight unit 3, as shown in fig. 2 and fig. 4, buffer gear 4 is including seting up the rectangular channel in the framework of mounting frame 1, be fixed with fixed axle 401 between the rectangular channel inner wall, swing joint has two sliders 402 on the axis body of fixed axle 401, all be fixed with spring 403 between the inner wall of every slider 402 and rectangular channel, be fixed with fixed block 404 at the side of mounting panel 7, be fixed with two second connecting axles at the side of fixed block 404, the front of slider 402 is fixed with first connecting axle 405, swing joint has articulated slab 406 on the axis body of first connecting axle 405 of one side, and the opposite side and the second connecting axle swing joint of articulated slab 406.

In this version, the stationary shaft 401 is located within the coils of the spring 403.

The backlight source assembly 3 is pressed to move backwards, the hinge plate 406 extrudes, at the moment, the hinge plate 406 moves towards two sides to drive the spring 403 to contract, the limiting block 504 horizontally moves in a sliding groove formed by the socket sleeve 501 and the limiting ring 502 at the moment, and the distance between the mounting frame 1 and the mounting plate 7 is shortened, so that the backlight source assembly 3 is mounted or the backlight source assembly 3 is buffered when in use, and the safety of related devices in the backlight source assembly 3 is protected.

For reducing the heat of backlight subassembly 3 during operation, improve backlight subassembly 3's life, the back of backlight board is fixed with 0.5mm thick heating panel 6 through heat conduction silica gel adhesion in backlight subassembly 3, and the side integrated into one piece of heating panel 6 has a plurality of radiating fin 601, for improving the radiating efficiency, heating panel 6 is made for aluminum plate, lamp pearl in the backlight subassembly 3 lights the back through the BLD drive, heat conduction to heating panel 6 and radiating fin 601 of backlight subassembly 3 during operation, radiating panel 6 and radiating fin 601 set up the heat radiating area that has increased, the radiating efficiency is improved, the life of lamp pearl in the backlight subassembly 3 has been improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 BLD backlight, includes diffusion subassembly (2), backlight subassembly (3) and installing frame (1), and diffusion subassembly (2) and backlight subassembly (3) are fixed mutually with installing frame (1) inner wall, its characterized in that: the mounting frame (1) back is provided with mounting panel (7), and the four corners of mounting panel (7) is provided with mounting hole (701), all is provided with buffer gear (4) between the top of mounting frame (1) and mounting panel (7) and between the bottom, and the both sides of buffer gear (4) all are provided with direction subassembly (5).

2. A BLD backlight as claimed in claim 1, wherein: the guide assembly (5) comprises a socket sleeve (501) fixed with the mounting plate (7) and an inserting shaft (503) fixed with the mounting frame (1), the end parts of the socket sleeve (501) and the inserting shaft (503) are respectively integrally formed with a limiting ring (502) and a limiting block (504), and the limiting block (504) is movably arranged in a sliding groove formed by the socket sleeve (501) and the limiting ring (502).

3. A BLD backlight as claimed in claim 1, wherein: buffer gear (4) are including seting up the rectangular channel in installing frame (1) framework, be fixed with fixed axle (401) between the rectangular channel inner wall, swing joint has two slider (402) on the axis body of fixed axle (401), all be fixed with spring (403) between the inner wall of every slider (402) and rectangular channel, the side of mounting panel (7) is fixed with fixed block (404), the side of fixed block (404) is fixed with two second connecting axles, the front of slider (402) is fixed with first connecting axle (405), swing joint has articulated slab (406) on the axis body of the first connecting axle (405) of one side, the opposite side and the second connecting axle swing joint of articulated slab (406).

4. A BLD backlight as claimed in claim 3, wherein: the fixed shaft (401) is positioned in a spiral coil of a spring (403).

5. A BLD backlight as claimed in claim 1, wherein: the side of the backlight source component (3) is fixedly provided with a heat dissipation plate (6) through heat-conducting silica gel in an adhering mode, and the side of the heat dissipation plate (6) is integrally formed with a plurality of heat dissipation fins (601).

6. A BLD backlight as recited in claim 5, wherein: the heat dissipation plate (6) is made of aluminum plates.