CN213182258U

CN213182258U - Backlight module for 3D display

Info

Publication number: CN213182258U
Application number: CN202022477601.5U
Authority: CN
Inventors: 孙义波; 胡琴
Original assignee: Shenzhen Ada Technology Co ltd
Current assignee: Shenzhen Ada Technology Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-05-11
Anticipated expiration: 2030-10-30

Abstract

The utility model discloses a backlight unit for 3D shows, including the installing frame, install the LED lamp strip that provides the light source bottom the installing frame, installing frame one side is equipped with fixed light guide plate and makes the light guide plate paste the installation device of tight LED lamp strip light emitting area, through LED lamp strip draw-in groove and the cooperation of LED lamp strip pothook joint to and LED lamp strip both ends bolt fastening, accomplish the fixed to LED lamp strip, make and be fixed in the installing frame bottom with LED lamp strip, make LED lamp strip parallel mounting each other in installing frame bottom, make the light emitting area just right with the installing frame top simultaneously, replace general adhesive tape installation light guide plate through installation device, make light guide plate and LED lamp strip light emitting area closely laminate, avoid light loss and the display screen that leads to show the problem.

Description

Backlight module for 3D display

Technical Field

The utility model relates to a LCD screen technical field specifically is a backlight unit for 3D shows.

Background

The liquid crystal display has the advantages of light weight, thin thickness, low power consumption, small radiation and the like, and becomes the mainstream of the display device, the liquid crystal display module mainly comprises a backlight module and a liquid crystal panel, because the liquid crystal does not have the light-emitting characteristic, a light-emitting source is required to be added on the bottom surface of the liquid crystal panel, and finally the full color display effect is achieved, and the backlight module is used for supplying sufficient brightness and uniformly distributed planar light sources, so that the liquid crystal panel can normally display pictures.

The back at the PCB board is installed with a plurality of LED lamps to current backlight unit to open the through-hole that corresponds with a plurality of LED lamp shapes on the backplate, a plurality of LED lamps provide the light source through the through-hole to the light guide plate, but current backlight unit is when using, can't guarantee at the light emitting area of assembling in-process LED lamp and the income plain noodles in close contact with of light guide plate, can produce light loss and lead to some problems on the LCD picture shows, for this reason, we provide a backlight unit for 3D shows.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a backlight unit for 3D shows 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 backlight unit for 3D shows, includes the installing frame, the LED lamp strip that provides the light source is installed to installing frame bottom, installing frame one side is equipped with fixed light guide plate and makes the light guide plate paste the installation device in tight LED lamp strip light emitting area.

Preferably, the installing frame bottom is equipped with a plurality of evenly distributed's LED lamp strip pothook, LED lamp strip pothook both sides are equipped with a plurality of evenly distributed's screw hole, installing frame one side is equipped with the fixed slot, one side that the fixed slot was kept away from to the installing frame is equipped with the mounting groove, the installing frame both sides are equipped with the grip block, open threaded hole above the grip block, through LED lamp strip pothook and the fixed LED lamp strip of bottom screw hole for LED lamp strip can provide the light source.

Preferably, the installation device comprises clamping rods installed on two sides of an installation frame, a pressing plate for pressing a fixed light guide plate is arranged on one side of each clamping rod, a through hole which is attached to a threaded hole in the upper portion of the clamping plate is formed in each clamping rod, a limiting telescopic rod is arranged on one side, away from the pressing plate, of each clamping rod, two ends of each limiting telescopic rod are fixedly connected with the corresponding clamping rod and the corresponding clamping plate respectively, the clamping rods and the installation frame are fixedly installed through the through holes and the threaded holes through bolts, a detachable fixing rod is arranged at one end, away from the fixing groove, of each clamping rod, the clamping rods on the two sides are separated firstly when the light guide plate is installed, then the light guide plate is placed above the installation frame and slides into the fixing groove, the fixing of the light guide plate is completed through screwing the fixing.

Preferably, the dead lever includes the body of rod, body of rod one side is equipped with the press plate of pressing down fixed light guide plate, the body of rod is kept away from one side of press plate and is equipped with the installation pole of placing in the mounting groove, the dead lever both ends are located inside the clamping bar, slide the inside back of fixed slot with the light guide plate, inside putting into the mounting groove with the installation pole of dead lever, when screwing up bolt fixed clamping bar, inside the clamping bar is fixed in the dead lever, accomplish the fixed to the light guide plate simultaneously for the light guide plate is parallel with the installing frame one-step LED lamp strip, makes the light emitting area closely laminate with the.

Preferably, LED lamp strip includes the PCB slat, a plurality of evenly distributed's LED lamp is installed to the PCB slat, the PCB slat is opened has a plurality of evenly distributed's LED lamp strip draw-in groove, LED lamp strip draw-in groove joint is inside LED lamp strip pothook, open at PCB slat both ends has the through-hole of laminating with installing frame bottom screw hole, when installing LED lamp strip, earlier place the PCB slat inside LED lamp strip pothook through LED lamp strip draw-in groove, translation PCB slat makes LED lamp strip pothook chucking PCB slat, utilizes the bolt to fix simultaneously, can accomplish the fixed to LED lamp strip for LED lamp strip light emitting area is parallel and just to installing the light guide plate in the installing frame top, convenient to detach and installation simultaneously.

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

through the cooperation of LED lamp strip draw-in groove and LED lamp strip pothook joint to and LED lamp strip both ends bolt fastening, accomplish the fixed to LED lamp strip, make and be fixed in the installing frame bottom with LED lamp strip, make LED lamp strip parallel to each other install in installing frame bottom, make the light emitting area just to with the installing frame top simultaneously, replace general adhesive tape installation light guide plate through installation device, make light guide plate and LED lamp strip light emitting area closely laminate, avoid light loss and the display screen display problem that leads to.

Drawings

FIG. 1 is a general schematic view of the present invention;

FIG. 2 is a bottom view of the present invention;

FIG. 3 is a schematic view of the mounting frame of the present invention;

fig. 4 is a schematic view of the LED light bar of the present invention;

fig. 5 is a schematic view of the fixing rod of the present invention;

FIG. 6 is a schematic view of the clamping rod of the present invention;

FIG. 7 is an enlarged view of area A of FIG. 1;

FIG. 8 is an enlarged view of area B of FIG. 2;

fig. 9 is an enlarged view of region C in fig. 3.

In the figure: 1-installing a frame; 2-LED light bar; 3-mounting the device; 4-LED light bar hook; 5, fixing the groove; 6-mounting grooves; 7-clamping the plate; 8-a clamping bar; 9-pressing plate; 10-limiting telescopic rods; 11-a fixing bar; 12-a rod body; 13-mounting a rod; 14-PCB strip board; 15-LED lamps; 16-LED light bar clamping groove.

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.

Referring to fig. 1-9, the present invention provides a technical solution: the utility model provides a backlight unit for 3D shows, includes installing frame 1, install LED lamp strip 2 that provides the light source

bottom installing frame

1, 1 one side of installing frame is equipped with fixed light guide plate and makes the light guide plate paste the installation device 3 of 2 light emitting areas of LED lamp strip, installs LED lamp strip 2 in 1 bottom of installing frame, is fixed in installing frame 1 top with reflection paper, later utilizes the fixed light guide plate of installation device 3 installation, can accomplish the equipment.

Wherein, 1 bottom of installing frame is equipped with a plurality of evenly distributed's LED

lamp strip pothook

4, 4 both sides of LED lamp strip pothook are equipped with a plurality of evenly distributed's screw hole, 1 one side of installing frame is equipped with fixed slot 5, one side that fixed slot 5 was kept away from to installing frame 1 is equipped with

mounting groove

6, 1 both sides of installing frame are equipped with clamp plate 7, open threaded hole above clamp plate 7 for LED lamp strip 2 can provide the light source through LED lamp strip pothook 4 and the fixed LED lamp strip of bottom screw hole.

The mounting device 3 comprises clamping rods 8 mounted at two sides of the mounting frame 1, a pressing plate 9 for pressing and fixing the light guide plate is arranged at one side of each clamping rod 8, the clamping rod 8 is provided with a through hole which is attached to a threaded hole above the clamping plate 7, one side of the clamping rod 8 far away from the pressing plate 9 is provided with a limiting telescopic rod 10, the two ends of the limiting telescopic rod 10 are respectively connected and fixed with the clamping rod 8 and the clamping plate 7, the clamping rod 8 and the mounting frame 1 are fixedly installed through a through hole and a threaded hole by bolts, the detachable fixing rod 11 is arranged at one end of each clamping rod 8 far away from the fixing groove 5, when the light guide plate is installed, the clamping rods 8 at the two sides are firstly separated, then the light guide plate is placed above the mounting frame 1, and then slide into the fixed slot 5, and then under the spacing of spacing telescopic link 10, screw up fixed clamp rod 8 through the bolt, utilize the fixed of pressing the board 9 completion to the light guide plate.

The dead lever 11 includes the body of rod 12, body of rod 12 one side is equipped with presses down the pressing plate 9 of fixed light guide plate, the body of rod 12 is kept away from one side of pressing plate 9 and is equipped with the installation pole 13 of placing in

mounting groove

6, 11 both ends of dead lever are located inside the tight pole 8 of clamp, slide the light guide plate into the inside back of fixed slot 5, put into the installation pole 13 of dead lever 11 inside mounting groove 6, when screwing up bolt fastening clamp 8, inside the tight pole 8 is fixed in dead lever 11, accomplish the fixed to the light guide plate simultaneously for the light guide plate is parallel with 1 independent LED lamp strip 2 of installing frame, makes the light emitting area closely laminate with the light guide plate.

LED lamp strip 2 includes PCB slat 14, a plurality of evenly distributed's LED lamp 15 is installed to PCB slat 14, PCB slat 14 is opened has 2 draw-in grooves of a plurality of evenly distributed's LED lamp strip, 2 draw-in grooves joint of LED lamp strip is inside LED lamp strip pothook 4, open at 14 both ends of PCB slat has the through-hole of laminating with 1 bottom screw hole of installing frame, when installing LED lamp strip 2, earlier place PCB slat 14 inside LED lamp strip pothook 4 through 2 draw-in grooves of LED lamp strip, translation PCB slat 14 makes 4 chucking PCB slat 14 of LED lamp strip pothook, utilizes the bolt to fix simultaneously, can accomplish the fixed to LED lamp strip 2 for 2 light emitting areas of LED lamp strip are parallel and just for installing the light guide plate in the 1 top of installing frame, convenient to detach and installation simultaneously.

The working principle is as follows: when working, connect LED lamp strip 2 inside LED lamp strip pothook 4 of 1 bottom of installing frame through 2 draw-in grooves joints of LED lamp strip, utilize the bolt to accomplish the fixed mounting to LED lamp strip 2, install reflection paper in installing frame 1 top, later place the light guide plate inside installing device 3 of installing frame 1 top, push inside fixed slot 5, place dead lever 11 again and keep away from the one end of fixed slot 5 at the light guide plate, place the installation pole 13 of fixed plate inside mounting groove 6, later under spacing telescopic link 10 is spacing, utilize the bolt, press from both sides tight light guide plate of 8 horizontal clamp of clamping bar in both sides, accomplish the fixing to dead lever 11 simultaneously, accomplish the fixing to the light guide plate, make light guide plate and 2 light emitting areas of LED lamp strip closely laminate, avoid light loss and influence the display effect.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 backlight unit for 3D shows which characterized in that: including installing frame (1), install LED lamp strip (2) that provide the light source bottom installing frame (1), installing frame (1) one side is equipped with fixed light guide plate and makes the light guide plate paste installation device (3) of tight LED lamp strip (2) light emitting area.

2. A backlight module for 3D display according to claim 1, characterized in that: installing frame (1) bottom is equipped with a plurality of evenly distributed's LED lamp strip pothook (4), LED lamp strip pothook (4) both sides are equipped with a plurality of evenly distributed's screw hole, installing frame (1) one side is equipped with fixed slot (5), one side that fixed slot (5) were kept away from in installing frame (1) is equipped with mounting groove (6), installing frame (1) both sides are equipped with clamp plate (7), open threaded hole above clamp plate (7).

3. A backlight module for 3D display according to claim 2, characterized in that: installing device (3) is including installing in tight pole (8) of clamp of installing frame (1) both sides, tight pole (8) one side is equipped with presses down pressing plate (9) of fixed light guide plate, tight pole (8) are opened there is the through-hole of laminating mutually with clamp plate (7) top screw hole, one side of keeping away from pressing plate (9) to tight pole (8) is equipped with spacing telescopic link (10), spacing telescopic link (10) both ends are connected fixedly with tight pole (8) and clamp plate (7) respectively, tight pole (8) utilize the bolt to pass through-hole and screw hole installation fixed, two tight pole (8) one end of keeping away from fixed slot (5) is equipped with detachable dead lever (11).

4. A backlight module for 3D display according to claim 3, characterized in that: the fixing rod (11) comprises a rod body (12), a pressing plate (9) for pressing the fixed light guide plate is arranged on one side of the rod body (12), an installation rod (13) placed in the installation groove (6) is arranged on one side, far away from the pressing plate (9), of the rod body (12), and two ends of the fixing rod (11) are located inside the clamping rod (8).

5. A backlight module for 3D display according to claim 2, characterized in that: LED lamp strip (2) include PCB slat (14), a plurality of evenly distributed's LED lamp (15) are installed in PCB slat (14), open LED lamp strip draw-in groove (16) that have a plurality of evenly distributed in PCB slat (14), LED lamp strip draw-in groove (16) joint is inside LED lamp strip pothook (4), open at PCB slat (14) both ends has the through-hole of laminating with installing frame (1) bottom screw hole.