CN211180486U - L ED backlight source with high saturation color and long service life - Google Patents

Abstract

The utility model belongs to the technical field of the backlight, especially, L ED backlight of high saturated color high life, including light source mechanism, light source mechanism lateral wall is equipped with assists the frame, assist and be equipped with heat dissipation mechanism in the frame, assist the frame top can dismantle and be connected with the apron, assist the frame lateral wall to run through and set up the louvre corresponding with heat dissipation mechanism, the louvre both sides are equipped with cowl and induced air cover respectively, the cowl is located assists the frame outside, the induced air cover is located assists the frame inboard, can block through the filter screen that sets up on the cowl that the dust enters into vice frame in, and the filter screen passes through the fixture block and pegs graft in the draw-in groove, when being covered with the dust on the filter screen, twist the nut on the screw rod, can remove the fixing to the filter screen, and make the cardboard leave the draw-in groove, thereby dismantlement filter screen that can relax, make people's clearance that can be.

Description

L ED backlight source with high saturation color and long service life

Technical Field

The utility model relates to a backlight technical field specifically is a L ED backlight of high saturated color high life.

Background

The backlight source is a light source positioned at the back of the liquid crystal display, and is used for providing a uniform and stable planar light source with certain brightness for the liquid crystal display, so that the liquid crystal display can display images, the conventional backlight source mainly comprises a frame, and L ED light sources, a light guide plate, an optical film and the like which are arranged in the frame, L ED is adopted as the backlight source of the liquid crystal television, the most main purpose is to improve the image quality, particularly the color saturation, and a display screen of the L ED backlight technology can obtain a sufficiently wide color gamut, so that the defect that the quantity of displayed colors of the liquid crystal display equipment is insufficient is overcome.

Chinese patent publication (CN207424464U) discloses L ED backlight, where the heat-conducting plate and the heat-dissipating fins on the left end face of the heat-conducting plate in the patent technology can dissipate the heat generated by the L ED light source, so as to perform the heat-dissipating function, which is beneficial to prolonging the service life of the L ED light source, and when the heat-dissipating fan works, hot air can be blown out from the heat-dissipating holes, so as to reduce the temperature on the heat-dissipating fins, thereby achieving the purpose of cooling the L ED light source, and a dust-proof net is installed in the heat-dissipating holes, so as to prevent dust from entering the heat-dissipating holes, but if the dust-proof net is fully covered with dust, the dust is accumulated on the dust-proof net, so that the hot air cannot be dissipated, thereby affecting the heat-dissipating effect of the L ED light source, and therefore, those skilled in the art provide an L ED backlight with high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a L ED backlight of high saturated color high life 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 L ED backlight of high saturated color high life, includes light source mechanism, light source mechanism lateral wall is equipped with assists the frame, assist and be equipped with heat dissipation mechanism in the frame, assist the frame top can dismantle and be connected with the apron, assist the frame lateral wall run through seted up with the corresponding louvre of heat dissipation mechanism, the louvre both sides are equipped with draft hood and induced air cover respectively, the draft hood is located assist the frame outside, the induced air cover is located assist the frame inboard, just the draft hood outside is equipped with the filter screen, four connecting plates of end fixedly connected with of draft hood outside, filter screen outer wall fixedly connected with screw rod and three cardboard, the screw rod with the cardboard is circumference evenly distributed, and three the cardboard is all pegged graft in the connecting plate.

As a further aspect of the present invention: the ventilation hood and the induced draft hood are both horn-shaped.

As a further aspect of the present invention: the contraction ends of the ventilation hood and the induced draft hood are both close to the heat dissipation holes.

As a further aspect of the present invention: the diameter of the induced draft cover is twice that of the ventilation hood.

As a further aspect of the present invention: the four connecting plates are provided with clamping grooves, and the three clamping plates are respectively inserted into the three clamping grooves.

As a further aspect of the present invention: the screw rod is positioned in the other clamping groove.

As a further aspect of the present invention: the outer wall of the screw rod is provided with a nut, and the screw rod is in threaded connection with the nut.

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

can stop in the dust enters into the subframe through the filter screen that sets up on the ventilation hood, and the filter screen passes through the fixture block and pegs graft in the draw-in groove, the screw rod can consolidate the fixed of filter screen, when being covered with the dust on the filter screen, twist the nut on the screw rod, can remove the fixed to the filter screen, and make the cardboard leave the draw-in groove, thereby dismantlement filter screen that can relax, make the clearance that people can be convenient or change the filter screen, improve the radiating effect and the life-span of use of L ED backlight, when radiating mechanism is to L ED light source heat dissipation, hot-air can be through the induced air cover that sets up, and discharge from louvre and ventilation hood, the induced air cover is convenient for steam with the ventilation hood and is discharged, improve radiating effect in the subframe.

Drawings

FIG. 1 is a schematic diagram of an L ED backlight with high saturation color and long lifetime;

FIG. 2 is a schematic diagram of a structure of a sub-frame in an L ED backlight with high saturation color and long lifetime;

FIG. 3 is a schematic diagram of a filter screen in an L ED backlight source with high saturation color and long lifetime;

fig. 4 is a schematic diagram of the internal structure of a sub-frame in an L ED backlight with high saturation color and long lifetime.

In the figure: 1. a light source mechanism; 2. an auxiliary frame; 201. heat dissipation holes; 21. a cover plate; 22. a heat dissipation mechanism; 23. an induced draft cover; 3. a ventilation hood; 31. a filter screen; 311. a screw; 312. clamping a plate; 32. a connecting plate; 33. a card slot; 34. and (4) a nut.

Detailed Description

Please refer to fig. 1-4, in the embodiment of the present invention, an L ED backlight source with high saturation color and long service life, including light source mechanism 1, light source mechanism 1 side wall is equipped with auxiliary frame 2, be equipped with heat dissipation mechanism 22 in auxiliary frame 2, auxiliary frame 2 top can be dismantled and be connected with apron 21, auxiliary frame 2 side wall runs through and sets up louvre 201 corresponding with heat dissipation mechanism 22, louvre 201 both sides are equipped with cowl 3 and induced air cover 23 respectively, cowl 3 is located auxiliary frame 2 outside, induced air cover 23 is located auxiliary frame 2 inboard, and the cowl 3 outside is equipped with filter screen 31, four connecting plates 32 of cowl 3 outside end face fixedly connected with, filter screen 31 outer wall fixedly connected with screw 311 and three cardboard 312, screw 311 and cardboard 312 are circumference evenly distributed, and three cardboard 312 is all pegged graft in connecting plate 32.

In fig. 1-2, an auxiliary frame 2 is arranged on a side wall of a light source mechanism 1, a heat dissipation mechanism 22 is arranged in the auxiliary frame 2, the light source mechanism 1 mainly comprises a light source, a light guide plate, an optical film, a plastic frame and the like, and has the characteristics of high brightness, long service life, uniform light emission and the like, L ED is used as a backlight source of the liquid crystal television, the image quality and the color saturation of the liquid crystal television can be improved, a display screen of L ED backlight technology can obtain a sufficiently wide color gamut, and the using effect of the display screen is optimal, the principle of the heat dissipation mechanism 22 is consistent with a heat dissipation mode provided by the publication number CN207424464U, heat dissipation fins of the patent technology can dissipate heat generated on a L ED light source, so that the heat dissipation effect is achieved, the service life of a L ED light source is prolonged, and when a heat dissipation fan works, hot air can be blown out of heat dissipation holes, so that the temperature on the heat dissipation fins is.

In fig. 3-4, the heat dissipation mechanism 22 can dissipate heat from the light source mechanism 1, when the heat dissipation mechanism 22 operates, hot air inside the sub-frame 2 can enter the heat dissipation holes 201 through the induced air cover 23 and be discharged from the ventilation cover 3, the ventilation cover 3 and the induced air cover 23 are both in a horn shape, contraction ends of the ventilation cover 3 and the induced air cover 23 are both close to the heat dissipation holes 201, an air entering space can be increased, thereby facilitating discharge of hot air, enhancing a heat dissipation effect inside the sub-frame 2, a diameter of the induced air cover 23 is twice a diameter of the ventilation cover 3, causing hot air inside the sub-frame 2 to sufficiently enter the induced air cover 23 and be discharged from the ventilation cover 3, the cover plate 21 can be detached from the sub-frame 2 through bolts, facilitating cleaning of dust from the heat dissipation mechanism 22 inside the sub-frame 2, four connecting plates 32 are all provided with clamping grooves 33, three plum blossom 312 are respectively inserted into three clamping grooves 33, the clamping plates 312 are inserted into the clamping grooves 33, the clamping plates 312 can position the filtering net 31, the stable filtering net 31 can be positioned, the stable filtering net 311 is mounted on the shielding net 3, the other shielding net 31, the screw is positioned in another shielding groove 33, the nut 34 is provided with the nut 34, the nut is used for enhancing the nut, the nut 34, the nut is easily used for enhancing the nut, the nut 31, the nut 34, the nut is easily used for enhancing the nut, the nut 31, the nut is easily used for enhancing the nut, the nut is used for enhancing the nut, the.

The utility model discloses a theory of operation is that heat dissipation mechanism 22 can dispel the heat to light source mechanism 1, when heat dissipation mechanism 22 operates, can make the inside hot-air of supplementary frame 2 enter into louvre 201 through induced air cover 23, and discharge from draft hood 3, induced air cover 23 and draft hood 3 are the loudspeaker form setting, can increase the space that the air got into, thereby be convenient for discharge steam, improve radiating effect in supplementary frame 2, apron 21 can dismantle from supplementary frame 2 through the bolt, be convenient for clear up the dust in it, and when being covered with the dust on filter screen 31, can move nut 34 through twisting, make nut 34 break away from screw rod 311, outwards pull up filter screen 31, can be used in screw rod 311, be convenient for pull up filter screen 31, make cardboard 312 break away from draw-in groove 33 on connecting plate 32, at this moment can wash or change the filter screen 31 that dismantles, can be light dismantlement filter screen 31, improve L ED's the radiating effect and the life-span of use, when installing filter screen 31, cardboard 312 is facing to draw-in groove 33, and screw rod 33, can be through fixing nut 34, thereby the life-time of the heat dissipation device that can be improved, thereby the LED heat dissipation device that the LED is stabilized to carry out the service life-time that can be carried out, it.

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 (7)

1. The utility model provides a high saturated color high life's L ED backlight, includes light source mechanism (1), light source mechanism (1) lateral wall is equipped with assists frame (2), be equipped with heat dissipation mechanism (22) in assisting frame (2), its characterized in that, assist frame (2) top can be dismantled and be connected with apron (21), assist frame (2) lateral wall run through seted up with corresponding louvre (201) of heat dissipation mechanism (22), louvre (201) both sides are equipped with ventilating hood (3) and induced air cover (23) respectively, ventilating hood (3) are located assist frame (2) outside, induced air cover (23) are located assist frame (2) inboard, just ventilating hood (3) outside is equipped with filter screen (31), ventilating hood (3) outside terminal surface fixedly connected with four connecting plates (32), filter screen (31) outer wall fixedly connected with screw rod (311) and three cardboard (312), screw rod (311) with cardboard (312) are circumference evenly distributed, and three cardboard (312) are all pegged graft in connecting plate (32).

2. A high saturated color, long life L ED backlight according to claim 1, wherein the ventilation hood (3) and the air draft hood (23) are both trumpet shaped.

3. The L ED backlight source of claim 1, wherein the air hood (3) and the air draft cover (23) have their constricted ends close to the heat dissipation holes (201).

4. A high saturated color, long life L ED backlight according to claim 1, wherein the diameter of the air scoop (23) is twice the diameter of the air scoop (3).

5. The L ED backlight source with high saturation color and long service life of claim 1, wherein four connecting plates (32) are provided with clamping grooves (33), and three clamping plates (312) are respectively inserted into the three clamping grooves (33).

6. A highly saturated color, long-life L ED backlight according to claim 5, wherein the screw (311) is located in another slot (33).

7. The L ED backlight source with high saturation color and long service life according to claim 1, wherein the screw (311) has a nut (34) on its outer wall, and the screw (311) is screwed with the nut (34).

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