CN218728491U

CN218728491U - Quantum dot backlight module

Info

Publication number: CN218728491U
Application number: CN202222997266.0U
Authority: CN
Inventors: 周震阳
Original assignee: China University of Geosciences Beijing
Current assignee: China University of Geosciences Beijing
Priority date: 2022-11-11
Filing date: 2022-11-11
Publication date: 2023-03-24
Anticipated expiration: 2032-11-11

Abstract

The utility model discloses a quantum dot backlight unit, which comprises a housin, the fastener is installed at the top of casing, the top movable mounting of casing has the equipment frame, the draw-in groove has been seted up to the bottom of equipment frame, and fastener activity gomphosis is in the inboard of draw-in groove, protection clear glass is installed to the inboard of equipment frame, the diapire of casing runs through installs the fin, the stay tube is installed to the bottom of fin, the dead lever is installed to the inboard of stay tube. The utility model discloses an install the fin, the fin is fixed to the stay tube of bottom, guarantees the stability of stay tube, and the stay tube is fixed to inboard dead lever, makes things convenient for the fixed rod fixed to the radiator fan, guarantees radiator fan even running, and the fin comprises the material that the heat conductivity is good, and the fin comes out the heat conduction for the inside radiating rate of casing, and the operation of heat dissipation morals and manners drives the air quick travel, accelerates the radiating rate of fin, accelerates the radiating efficiency of device.

Description

Quantum dot backlight module

Technical Field

The utility model relates to a quantum dot backlight unit technical field specifically is a quantum dot backlight unit.

Background

The backlight module is divided into a side-in type backlight module and a direct type backlight module according to different incident positions of light sources, and the quantum dots, also called nanocrystals, can emit fluorescence with different wavelengths when being excited by light or electricity, namely, the quantum dots can not only emit light, but also change the color of light emitted by the light sources. The wavelength of quantum dot photoluminescence can be regulated and controlled by controlling the material and the size of the quantum dot, and the liquid crystal display panel is widely applied to the field of photoelectric display.

The quantum dot backlight module in the prior art has the following defects:

patent document CN207230310U discloses "a quantum dot backlight module and display device, this quantum dot backlight module includes backplate and center of mutual fixed connection, is equipped with quantum dot backlight unit between backplate and the center to and set up the blue light source between backplate and quantum dot backlight unit, quantum dot backlight unit still includes the yellow layer of the frame type that is used for preventing to leak blue light, and yellow layer clamp is located between quantum dot backlight unit and the center. The utility model provides a quantum dot backlight unit reaches display device including this quantum dot backlight unit, through setting up the yellow layer that prevents to leak the blue light, and the blue light that blue light source sent in yellow layer with the back, form the white light, solved the peripheral problem of leaking the blue light of display area, promoted display device's display effect. "foretell quantum dot backlight unit has solved the problem of peripheral hourglass blue light, nevertheless lacks heat radiation structure, causes the radiating efficiency of dress to can't satisfy the radiating demand of equipment, and when equipment operation, the condition of high temperature appears easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a quantum dot backlight unit 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 quantum dot backlight unit, includes the casing, the fastener is installed at the top of casing, the top movable mounting of casing has the equipment frame, the draw-in groove has been seted up to the bottom of equipment frame, fastener activity gomphosis in the inboard of draw-in groove, protection clear glass is installed to the inboard of equipment frame, the diapire of casing runs through installs the fin, the stay tube is installed to the bottom of fin, the dead lever is installed to the inboard of stay tube, cooling fan is installed to the one end of dead lever.

Preferably, a backlight plate is installed on the bottom wall of the inner side of the shell, and a blue light LED lamp is installed at the top of the backlight plate.

Preferably, a support plate is mounted to an inner side of the housing.

Preferably, a quantum dot reinforced film is mounted on the top of the support plate and is located on the inner side of the shell.

Preferably, a prism sheet is movably mounted on the top of the quantum dot reinforced film, and the prism sheet is located on the inner side of the shell.

Preferably, the polarizer is movably mounted at the top of the prism sheet, and the polarizer is located on the inner side of the housing.

Preferably, a liquid crystal panel is movably mounted on the top of the polarizer, and the liquid crystal panel is located inside the housing.

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

1. the utility model discloses an install the fin, the fin is fixed to the stay tube of bottom, guarantees the stability of stay tube, the stay tube is fixed to inboard dead lever, make things convenient for the dead lever to be fixed to the radiator fan, guarantee cooling fan even running, the fin comprises the material that the heat conductivity is good, the fin comes out the heat conduction for the inside radiating rate of casing, the operation of heat dissipation morals and manners drives the air quick travel, accelerate the radiating rate of fin, accelerate the radiating efficiency of device.

2. The utility model discloses an install rotatory awl and stripper plate, the casing is fixed the fastener at top, guarantees the stability of fastener, and the fastener is embedded into the inboard of draw-in groove, improves the compactness that equipment frame and casing are connected, and the person of facilitating the use assembles quantum dot backlight unit, and the equipment frame is fixed inboard protection clear glass, and protection clear glass installs in the top of liquid crystal board, keeps apart liquid crystal board and external equipment, guarantees quantum dot backlight unit's safety.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic sectional structure of the present invention;

FIG. 3 is a schematic structural diagram of a liquid crystal panel according to the present invention;

fig. 4 is a schematic view of the housing structure of the present invention;

fig. 5 is a schematic view of the supporting tube structure of the present invention.

In the figure: 1. a housing; 2. a backlight plate; 3. a blue LED lamp; 4. a support plate; 5. clamping the piece; 6. a quantum dot reinforcement film; 7. a prism sheet; 8. a polarizer; 9. a liquid crystal panel; 10. assembling a frame; 11. a card slot; 12. protective transparent glass; 13. a heat sink; 14. supporting a tube; 15. a fixing rod; 16. a heat radiation fan.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the present invention provides an embodiment: a quantum dot backlight module;

including casing 1, fastener 5 is installed at the top of casing 1, the top movable mounting of casing 1 has equipment frame 10, draw-in groove 11 has been seted up to the bottom of equipment frame 10, and fastener 5 activity gomphosis is in the inboard of draw-in groove 11, and casing 1 fixes fastener 5 at the top, guarantees the stability of fastener 5, and fastener 5 imbeds the inboard of draw-in groove 11, improves the compactness that equipment frame 10 and casing 1 are connected, and the person of facilitating the use assembles the device, protection transparent glass 12 is installed to the inboard of equipment frame 10, and equipment frame 10 fixes inboard protection transparent glass 12, and protection transparent glass 12 installs in the top of liquid crystal board 9, keeps apart liquid crystal board 9 and external equipment, guarantees quantum dot backlight unit's safety.

Further, the diapire of casing 1 runs through and installs fin 13, stay tube 14 is installed to the bottom of fin 13, dead lever 15 is installed to the inboard of stay tube 14, radiator fan 16 is installed to the one end of dead lever 15, and casing 1 is fixed the fin 13 of bottom, guarantees the stability of fin 13, and fin 13 is fixed the stay tube 14 of bottom, guarantees the stability of stay tube 14, and stay tube 14 is fixed to inboard dead lever 15, makes things convenient for dead lever 15 to fix radiator fan 16, guarantees radiator fan 16 steady operation, and fin 13 comprises the material that the heat conductivity is good, and fin 13 conducts the heat out for the inside radiating rate of casing 1, and radiating weathering 16 moves and drives the air fast movement, accelerates radiator fan 13's radiating rate.

Further, a backlight plate 2 is installed on the bottom wall of the inner side of the casing 1, a blue LED lamp 3 is installed on the top of the backlight plate 2, a support plate 4 is installed on the inner side of the casing 1, a quantum dot strengthening film 6 is installed on the top of the support plate 4, the quantum dot strengthening film 6 is located on the inner side of the casing 1, a prism sheet 7 is movably installed on the top of the quantum dot strengthening film 6, the prism sheet 7 is located on the inner side of the casing 1, a polarizer 8 is movably installed on the top of the prism sheet 7, the polarizer 8 is located on the inner side of the casing 1, a liquid crystal plate 9 is movably installed on the top of the polarizer 8, the liquid crystal plate 9 is located on the inner side of the casing 1, the casing 1 fixes the inner backlight plate 2 to ensure the stability of the backlight plate 2, the backlight plate 2 reflects light so that the light can only be projected upwards, the backlight plate 2 fixes the blue LED lamp 3 on the top, the blue LED lamp 3 is electrified to emit light, then the light penetrates through the quantum dot strengthening film 6, the quantum dot strengthening film 6 has a plurality of quantum dots which are uniformly distributed in the quantum dot strengthening film 6, and the light can be refracted under the excitation of the blue LED lamp 3, the light with higher color purity, the upward, the polarized light can be projected by the polarizer 7, the light can be projected through the liquid crystal plate 8.

The working principle is as follows: 2 reflection light of board in a poor light, make light upwards throw, 2 in a poor light are fixed blue light LED lamp 3 at top, 3 circular telegrams of blue light LED lamp send brightly, then light sees through quantum dot and strengthens membrane 6, quantum dot that has a plurality of evenly distributed in the quantum dot strengthens the membrane 6, under blue light LED lamp 3's excitation, can send the light that colour purity is higher, light upwards throws, carry out refraction light by prism piece 7, polarizer 8 is used for carrying out refraction light, liquid crystal 9 throws light process, fin 13 comprises the material that the heat conductivity is good, fin 13 conducts the heat out, accelerate the inside radiating rate of

casing

1, 16 operation drive air fast moving of heat dissipation morals and manners, accelerate the radiating rate of fin 13.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not to be construed as limiting the claim concerned.

Claims

1. The utility model provides a quantum dot backlight unit, includes casing (1), its characterized in that: fastener (5) are installed at the top of casing (1), the top movable mounting of casing (1) has equipment frame (10), draw-in groove (11) have been seted up to the bottom of equipment frame (10), and fastener (5) activity gomphosis is in the inboard of draw-in groove (11), protection transparent glass (12) are installed to the inboard of equipment frame (10), the diapire of casing (1) runs through and installs fin (13), stay tube (14) are installed to the bottom of fin (13), dead lever (15) are installed to the inboard of stay tube (14), cooling fan (16) are installed to the one end of dead lever (15).

2. The quantum dot backlight module of claim 1, wherein: the LED backlight module is characterized in that a backlight plate (2) is installed on the bottom wall of the inner side of the shell (1), and a blue LED lamp (3) is installed at the top of the backlight plate (2).

3. The quantum dot backlight module of claim 2, wherein: a support plate (4) is mounted on the inner side of the shell (1).

4. The quantum dot backlight module of claim 3, wherein: the quantum dot reinforced film (6) is installed at the top of the supporting plate (4), and the quantum dot reinforced film (6) is located on the inner side of the shell (1).

5. The quantum dot backlight module of claim 4, wherein: the top of the quantum dot reinforced film (6) is movably provided with a prism sheet (7), and the prism sheet (7) is positioned on the inner side of the shell (1).

6. The quantum dot backlight module of claim 5, wherein: the top of the prism sheet (7) is movably provided with a polarizer (8), and the polarizer (8) is positioned on the inner side of the shell (1).

7. The quantum dot backlight module of claim 6, wherein: the top of the polarizer (8) is movably provided with a liquid crystal panel (9), and the liquid crystal panel (9) is positioned on the inner side of the shell (1).