CN211045433U

CN211045433U - Direct type ultrathin L ED backlight source with packaging module

Info

Publication number: CN211045433U
Application number: CN201922397705.2U
Authority: CN
Inventors: 霍玉龙; 张华林
Original assignee: Shenzhen Bochuangda Optoelectronic Co ltd
Current assignee: Shenzhen Bochuangda Optoelectronic Co ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-07-17
Anticipated expiration: 2029-12-27

Abstract

The utility model belongs to the technical field of photoelectric element, the utility model discloses an ultra-thin L ED backlight of straight following formula with encapsulation module, including loading the board and installing a plurality of lamp pearl at loading board up end, loading board up end is equipped with a plurality of matrix distribution's surrounding plate groove, lamp pearl sliding connection is in the inside in surrounding plate groove, surrounding plate groove top has the bellying, bellying outer wall fixedly connected with a plurality of evenly distributed's heat dissipation muscle, form the heat dissipation chamber between loading board and the upper cover plate, and the heat dissipation muscle of the bellying outer wall in surrounding plate groove can be abundant exchange heat with air contact, thereby make the lateral wall of lamp pearl also can dispel the heat, the radiating efficiency of lamp pearl has been improved, and the heat dissipation chamber can cooperate the heat dissipation water pipe equally to cool down, radiating application scope has been improved, make whole backlight have the practicality more, and can not influence the normal use of lamp pearl.

Description

Direct type ultrathin L ED backlight source with packaging module

Technical Field

The utility model belongs to the technical field of photoelectric element, specifically be the ultra-thin L ED backlight of straight following formula with encapsulation module.

Background

The backlight source is a light source positioned at the back of the liquid crystal display, the luminous effect of the backlight source directly influences the visual effect of the liquid crystal display module, the liquid crystal display does not emit light and displays a graph or modulates light, the backlight source consists of a plurality of L ED lamp beads, L ED lamp beads are distributed on a substrate according to a set interval matrix, a direct type L ED light source is transmitted to a television backboard through the substrate, and finally heat is dissipated by means of convection of air in a television shell, but the light source of the lamp beads is positioned above the substrate, and the light source of the lamp beads is a main heating element, and at the moment, the light source of the lamp beads still has a certain distance from the substrate, so that the lamp beads can only indirectly dissipate heat, and the heat dissipation efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an ultra-thin L ED backlight of straight following formula with encapsulation module to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

ultra-thin L ED backlight of straight following formula with encapsulation module, include the loading board and install a plurality of lamp pearl of loading board up end, the loading board up end is equipped with the surrounding plate groove of a plurality of matrix distribution, lamp pearl sliding connection is in the inside in surrounding plate groove, surrounding plate groove top has the bellying, bellying outer wall fixedly connected with a plurality of evenly distributed's heat dissipation muscle, loading board up end can be dismantled and be connected with the upper cover plate, the upper cover plate up end seted up with lamp pearl complex cooperation groove, the upper cover plate with load and have the heat dissipation chamber between the board, loading board bottom surface fixedly connected with backup pad, the backup pad bottom can be dismantled and be connected with the closing plate, loading board with the installation cavity has between the closing plate, the lamp pearl upper end is located the upper surface of upper cover plate, the lower extreme of lamp pearl is located inside the installation cavity.

As a further aspect of the present invention: the loading plate is characterized in that four corners of the upper end face of the loading plate are fixedly connected with blocking blocks used for supporting the upper cover plate, and the upper end face of each blocking block is flush with the upper end face of the corresponding protruding portion.

As a further aspect of the present invention: the lamp bead outer wall is fixedly connected with a limiting rib, and the inner wall of the protruding portion is provided with an insertion groove matched with the limiting rib.

As a further aspect of the present invention: the bottom surface of the upper cover plate is fixedly connected with an inserting rib matched with the inserting groove.

As a further aspect of the present invention: the depth of the insertion groove is larger than the length of the insertion rib.

As a further aspect of the present invention: the inner wall of the supporting plate is fixedly connected with an installation rib used for supporting the installation cavity.

As a further aspect of the present invention: the upper cover plate is fixed with the separation block through screw threads, and the closing plate is fixed with the installation rib through screw threads.

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

the lamp pearl parcel is at the surrounding plate inslot, the upper cover plate receives the separation influence of separation piece, make and form the heat dissipation chamber between loading plate and the upper cover plate, and the heat dissipation muscle of the bellying outer wall in surrounding plate groove can be abundant exchange heat with the air contact, thereby make the lateral wall of lamp pearl also can dispel the heat, the radiating efficiency of lamp pearl has been improved, and the heat dissipation chamber can cooperate the heat dissipation water pipe equally to cool down, radiating application scope has been improved, make whole backlight have the practicality more, and can not influence the normal use of lamp pearl.

Drawings

FIG. 1 is a schematic structural diagram of a direct-lit ultra-thin L ED backlight with a package module;

FIG. 2 is a perspective view of an upper cover plate of a direct-lit ultrathin L ED backlight with a package module;

FIG. 3 is a schematic side-view cross-sectional view of a direct-lit ultra-thin L ED backlight with an encapsulation module;

fig. 4 is an enlarged view of a portion a in fig. 3.

In the figure: 1. a loading plate; 11. a barrier block; 12. a surrounding plate groove; 121. a boss portion; 122. inserting grooves; 13. heat dissipation ribs; 14. a support plate; 141. installing ribs; 2. a closing plate; 3. an upper cover plate; 31. a mating groove; 32. inserting ribs; 4. a lamp bead; 41. limiting ribs; 5. a heat dissipation cavity; 6. and (7) installing a cavity.

Detailed Description

Please refer to fig. 1 ~ 4, the embodiment of the utility model provides an in, the ultra-thin L ED backlight of straight following formula with encapsulation module, including load board 1 and install a plurality of lamp pearl 4 at load board 1 up end, load board 1 up end is equipped with a plurality of matrix distribution's surrounding plate groove 12, lamp pearl 4 sliding connection is in the inside of surrounding plate groove 12, surrounding plate groove 12 top has bellying 121, bellying 121 outer wall fixedly connected with a plurality of evenly distributed's heat dissipation muscle 13, load board 1 up end can be dismantled and be connected with upper cover plate 3, upper cover plate 3 up end is seted up with lamp pearl 4 complex cooperation groove 31, upper cover plate 3 and load board 1 between have heat dissipation chamber 5, load board 1 bottom surface fixedly connected with backup pad 14, backup pad 14 bottom can dismantle and be connected with sealing plate 2, load board 1 and sealing plate 2 between have installation cavity 6, lamp pearl 4 upper end is located upper cover plate 3's upper surface, lamp pearl 4's lower extreme is located inside of installation cavity 6, load board 1 surface surrounding plate groove 12 is by returning the shape board and lead to the heat dissipation groove 12, because the height of returning the board 1 is greater than the height of load board 1 and the height of load board 1, thereby the cover board can make the heat dissipation lamp pearl 3 and the heat dissipation lamp pearl contact the heat dissipation bead and the heat dissipation bead can not make the heat dissipation lamp pearl outside heat dissipation muscle carry out the heat dissipation muscle to the heat dissipation of lamp pearl 3 and heat dissipation lamp pearl contact the heat dissipation lamp pearl and heat dissipation lamp pearl outside the heat dissipation part of lamp pearl 13 and heat dissipation lamp pearl can not make the heat dissipation take place the heat dissipation groove 13 and heat dissipation effect and heat dissipation lamp pearl and heat dissipation groove 13 and heat dissipation effect, the heat dissipation groove 13, thereby the heat dissipation lamp pearl outside the heat dissipation groove 13, the heat dissipation lamp pearl outside heat dissipation, the heat dissipation chamber, the heat dissipation lamp pearl can not make the heat dissipation chamber 13 of lamp pearl outside heat dissipation, the heat dissipation lamp pearl contact.

In fig. 1: load board 1 up end four corners fixedly connected with and be used for supporting the separation piece 11 of upper cover plate 3, separation piece 11 up end and bellying 121 up end parallel and level, separation piece 11 can carry on spacingly to the distance between load board 1 and the upper cover plate 3, when making upper cover plate 3 and separation piece 11 fixed, the high influence of separation piece 11 has been received, and then form heat dissipation chamber 5 and dispel the heat, and the parallel and level of separation piece 11 and bellying 121, when making separation piece 11 carry on spacingly to upper cover plate 3, bellying 121 can not play the hindrance effect.

In fig. 1: the spacing muscle 41 of 4 outer wall fixedly connected with of lamp pearl, bellying 121 inner wall set up with spacing muscle 41 complex inserting groove 122, the spacing muscle 41 and the inserting groove 122 cooperation of 4 sides of lamp pearl make lamp pearl 4 receive inserting groove 122 and spacing muscle 41's cooperation influence can't continue to slide to closure plate 2 department.

In fig. 3: 14 inner wall fixedly connected with of backup pad is used for the installation muscle 141 that supports installation cavity 6, it is fixed that upper cover plate 3 passes through the screw spiro union with barrier block 11, closure plate 2 passes through the screw spiro union with installation muscle 141 and is fixed, the installation muscle 141 of backup pad 14 has played the effect of supporting to closure plate 2, thereby make closure plate 2 form an installation cavity 6, because lamp pearl 4 needs and external power source electric connection, installation cavity 6 can hold lamp pearl 4 interconnect and with external connection's part this moment, and the shape of backup pad 14 is the shape of going back equally, play the effect of encirclement to closure plate 2, can set up the bleeder vent in backup pad 14 side according to the demand and carry out the heat transfer, perhaps through closure plate 2 and TV backplate contact heat transfer, the heat transfer mode is various, radiating practicality has been increased.

In fig. 4: 3 bottom surface fixedly connected with of upper cover plate and inserting groove 122 complex are pegged graft muscle 32, and the degree of depth of inserting groove 122 is greater than the length of inserting muscle 32, because the degree of depth of inserting groove 122 is greater than the length of inserting muscle 32, and spacing muscle 41 has received the influence of inserting muscle 32 in inserting groove 122 this moment, makes 4 fixed connection of lamp pearl in surrounding plate groove 12, provides convenience for the dismantlement in later stage.

The utility model discloses a theory of operation is: the surrounding plate groove 12 on the surface of the loading plate 1 consists of a returning plate and a through groove, the height of the returning plate is greater than the thickness of the loading plate 1, so that a convex part 121 is formed, the material of the returning plate is aluminum, the outer wall of the lamp bead 4 is provided with an insulating shell, so that the lamp bead cannot be in contact with the aluminum material for conducting electricity, the light source of the lamp bead 4 is positioned above the lamp bead, the convex part 121 is surrounded outside the light source of the lamp bead 4, the heat generated by the light source of the lamp bead 4 in operation is transferred to the surface of a heat dissipation rib 13 through the convex part 121, the material of the heat dissipation rib 13 is also aluminum, at the moment, because the heat dissipation cavity 5 formed between the upper cover plate 3 and the loading plate 1, the heat dissipation rib 13 on the outer wall of the protruding part 121 surrounding the plate groove 12 can be in full contact with air for exchanging heat, so that the side wall of the lamp bead 4, the radiating application scope has been improved, makes whole backlight have the practicality more, and during the installation, the cooperation groove 31 of upper cover plate 3 can make 4 up ends of lamp pearl be located the top of upper cover plate 3 to make upper cover plate 3 can not influence the normal use of lamp pearl 4, and some parts that cooperate lamp pearl 4 to use can be installed to 3 up ends of upper cover plate, thereby make lamp pearl 4 satisfy normal user demand.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The direct type ultrathin L ED backlight source with the packaging module comprises a loading plate (1) and a plurality of lamp beads (4) mounted on the upper end face of the loading plate (1), and is characterized in that the upper end face of the loading plate (1) is provided with a plurality of surrounding plate grooves (12) distributed in a matrix manner, the lamp beads (4) are connected inside the surrounding plate grooves (12) in a sliding manner, a protruding part (121) is arranged above the surrounding plate grooves (12), and the outer wall of the protruding part (121) is fixedly connected with a plurality of heat dissipation ribs (13) distributed uniformly;

an upper cover plate (3) is detachably connected to the upper end face of the loading plate (1), a matching groove (31) matched with the lamp beads (4) is formed in the upper end face of the upper cover plate (3), and a heat dissipation cavity (5) is formed between the upper cover plate (3) and the loading plate (1);

the bottom surface of the loading plate (1) is fixedly connected with a supporting plate (14), the bottom of the supporting plate (14) is detachably connected with a closing plate (2), and an installation cavity (6) is arranged between the loading plate (1) and the closing plate (2);

the upper end of the lamp bead (4) is located on the upper surface of the upper cover plate (3), and the lower end of the lamp bead (4) is located inside the installation cavity (6).

2. The direct type ultrathin L ED backlight source with packaging module as claimed in claim 1, wherein the loading plate (1) has blocking blocks (11) fixed at four corners of its upper end face for supporting the upper cover plate (3), and the upper end face of the blocking block (11) is flush with the upper end face of the protrusion (121).

3. The direct type ultrathin L ED backlight source with the packaging module as claimed in claim 1, wherein the outer wall of the bead (4) is fixedly connected with a limiting rib (41), and the inner wall of the protrusion (121) is provided with a plugging groove (122) matched with the limiting rib (41).

4. The direct-lit ultrathin L ED backlight source with package module as claimed in claim 3, wherein the bottom surface of the upper cover plate (3) is fixedly connected with the plugging rib (32) engaged with the plugging groove (122).

5. The direct-lit ultra-thin L ED backlight with packaging modules as claimed in claim 4, wherein the depth of the inserting grooves (122) is greater than the length of the inserting ribs (32).

6. The direct-lit ultrathin L ED backlight with packaging modules as claimed in claim 2, wherein the inner wall of the supporting plate (14) is fixedly connected with mounting ribs (141) for supporting the mounting cavity (6).

7. The direct-lit ultrathin L ED backlight with packaging modules according to claim 6, wherein the upper cover plate (3) and the blocking blocks (11) are fixed by screw threads, and the closing plate (2) and the mounting ribs (141) are fixed by screw threads.