CN218037619U - Backlight module and display device - Google Patents
Backlight module and display device Download PDFInfo
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- CN218037619U CN218037619U CN202222649265.7U CN202222649265U CN218037619U CN 218037619 U CN218037619 U CN 218037619U CN 202222649265 U CN202222649265 U CN 202222649265U CN 218037619 U CN218037619 U CN 218037619U
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- lamp
- backlight module
- lamp panel
- convex lens
- heat dissipation
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Abstract
The utility model relates to a backlight module and display device, a backlight module, include: the lamp comprises a rubber frame, a biconvex lens plate and a lamp panel; the biconvex lens plate is fixed in the rubber frame; the first surface of the lamp panel is connected with the rubber frame, and a plurality of lamp beads are arranged on the first surface of the lamp panel; the first surface of the double convex lens plate is provided with a plurality of first convex lenses, the first convex lenses are abutted against the first surface of the lamp panel, each first convex lens is provided with a lamp hole groove, and each lamp bead is positioned in one lamp hole groove; and a second convex lens is arranged in each lamp hole groove, and each lamp bead is aligned with one second convex lens. Light emitted by lamp beads on the lamp panel is firstly condensed by the first convex lens on the double-convex lens plate, and then is condensed by the second convex lens in the lamp hole groove for the second time, so that the brightness is improved, the high-brightness requirement can be realized under the condition of reducing the power consumption, the cost is reduced, and the backlight module with high brightness and low power consumption is realized.
Description
Technical Field
The utility model relates to a backlight module technical field, in particular to backlight module and display device.
Background
The backlight module is an important component of the liquid crystal display, and the backlight module requires high brightness, and usually, the high brightness requirement is realized by using a large-power-consumption LED lamp, so that the problem of large power consumption exists.
SUMMERY OF THE UTILITY MODEL
Accordingly, there is a need for a backlight module and a display device.
The utility model provides an above-mentioned technical problem's technical scheme as follows:
a backlight module includes: the lamp comprises a rubber frame, a biconvex lens plate and a lamp panel;
the biconvex lens plate is fixed in the rubber frame;
the first surface of the lamp panel is connected with the rubber frame, and a plurality of lamp beads are arranged on the first surface of the lamp panel;
a plurality of first convex lenses are arranged on the first surface of the double-convex lens plate, the first convex lenses are abutted against the first surface of the lamp panel, each first convex lens is provided with a lamp hole groove, and each lamp bead is positioned in one lamp hole groove;
each the lamp hole groove is internally provided with a second convex lens, and each lamp bead is aligned with one of the second convex lenses.
In one embodiment, each of the first convex lenses is convexly arranged towards the lamp panel; each second convex lens is convexly arranged towards the lamp bead; one side of the lenticular lens plate back to the lamp panel is set to be a flat surface.
In one embodiment, an insert block is arranged on the outer side surface of the lenticular lens plate, a limit groove is formed in the rubber frame, and the insert block is embedded in the limit groove.
In one embodiment, the insert block is provided with a clamping block, the limiting groove is internally provided with a bayonet, and the clamping block is clamped in the bayonet.
In one embodiment, the lamp panel further comprises a glass module, and the glass module is arranged at one end, far away from the lamp panel, of the rubber frame.
In one embodiment, the lamp panel further comprises heat dissipation fins, the heat dissipation fins are connected with the second surface of the lamp panel, and the first surface of the lamp panel and the second surface of the lamp panel are arranged in a back-to-back mode.
In one embodiment, a heat conductive adhesive layer is disposed on the heat dissipation fins, and the heat dissipation fins are connected to the second surface of the lamp panel through the heat conductive adhesive layer.
In one embodiment, the rubber frame is provided with a positioning column, the heat dissipation fins are provided with positioning holes, and the positioning column is inserted into the positioning holes.
In one embodiment, the heat dissipation structure further comprises a screw, a screw hole is formed in the rubber frame, through holes are formed in the heat dissipation fins, the through holes correspond to and are communicated with the screw hole in a one-to-one mode, and the screw penetrates through the through holes and is in threaded connection with the side wall of the screw hole.
A display device comprises the backlight module in any embodiment.
The utility model has the advantages that: the utility model provides a pair of backlight unit, the light that lamp pearl on the lamp plate sent carries out spotlight for the first time through the first convex lens on the biconvex lens board earlier, then carry out secondary spotlight through the second convex lens in the lamp hole inslot again, thereby luminance has been promoted, under equal luminance requirement promptly, can reduce the electric current that the backlight drive used, so not only can be under the condition that reduces the consumption, can also realize the hi-lite requirement, and then the cost is reduced, consequently, the backlight unit of hi-lite, low-power consumption has been realized.
Drawings
FIG. 1 is an exploded view of a backlight module according to an embodiment;
FIG. 2 is a cross-sectional view of a backlight module according to an embodiment;
FIG. 3 is a schematic structural diagram of a lenticular lens sheet of one embodiment;
FIG. 4 is a schematic structural diagram of a rubber frame according to an embodiment;
fig. 5 is a schematic structural diagram of a heat dissipation fin according to an embodiment.
In the drawings, 10, a backlight module; 100. a rubber frame; 101. a limiting groove; 102. a bayonet; 103. a screw hole; 110. a positioning column; 200. a lenticular lens sheet; 201. a lamp hole groove; 210. a first convex lens; 220. a second convex lens; 230. inserting a block; 240. a clamping block; 300. a lamp panel; 310. a lamp bead; 400. heat dissipation fins; 401. positioning holes; 410. a screw; 500. a double-sided adhesive layer; 600. a heat-conducting adhesive layer; 700. a glass module.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The following will combine the drawings of the embodiments of the present invention to further describe the technical solution of the present invention, and the present invention is not limited to the following specific embodiments.
It should be understood that the same or similar reference numerals in the drawings of the embodiments correspond to the same or similar parts. In the description of the present invention, it should be understood that if there are the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but not for indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore the terms describing the positional relationship in the drawings are only used for illustrative purposes and should not be construed as limiting the patent, and those skilled in the art can understand the specific meaning of the terms according to the specific situation.
As shown in fig. 1 to 4, in one embodiment, a backlight module 10 includes: a rubber frame 100, a lenticular lens plate 200 and a lamp panel 300; the lenticular lens sheet 200 is fixed in the rubber frame 100; the first surface of the lamp panel 300 is connected with the rubber frame 100, and the first surface of the lamp panel 300 is provided with a plurality of lamp beads 310; a plurality of first convex lenses 210 are arranged on the first surface of the lenticular lens plate 200, the first convex lenses 210 are abutted against the first surface of the lamp panel 300, each first convex lens 210 is provided with a lamp hole groove 201, and each lamp bead 310 is positioned in one lamp hole groove 201; each of the lamp hole grooves 201 is provided with a second convex lens 220, and each of the lamp beads 310 is aligned with one of the second convex lenses 220.
In this embodiment, the light that lamp pearl 310 on lamp plate 300 sent carries out spotlight first time through first convex lens 210 of biconvex lens board 200, then carry out spotlight second time through second convex lens 220 in lamp hole groove 201 again, when making light jet out from first convex lens 210 and second convex lens 220, can gather, thereby illumination intensity has been promoted, promptly under equal luminance requirement, can reduce the electric current that the backlight drive used, so not only can be under the condition that reduces the consumption, can also realize the hi-lite requirement, and then the cost is reduced, thereby high luminance has been realized, the backlight unit 10 of low-power consumption.
In one embodiment, as shown in fig. 1 to 3, the first convex lens 210 and the second convex lens 220 are integrally formed, in one embodiment, a plurality of first convex lenses 210 are convexly disposed on a first surface of the double-convex lens plate 200, the lamp hole slot 201 is opened on an end surface of each first convex lens 210, each lamp bead 310 is located in a position away from a bottom of the lamp hole slot 201 in the lamp hole slot 201, and the bottom of each lamp hole slot 201 is convexly formed in a direction toward the lamp bead 310 to form the second convex lens 220.
In order to better condense light and improve brightness of the lenticular lens plate 200, in one embodiment, as shown in fig. 1 and 3, each of the first convex lenses 210 is convexly disposed toward the lamp panel 300; each second convex lens 220 is arranged in a convex manner towards the lamp bead 310; the surface of the lenticular lens plate 200 facing away from the lamp panel 300 is a second surface of the lenticular lens plate 200, and the second surface of the lenticular lens plate 200 is a flat surface. In this embodiment, first convex lens 210 is the convex arc shape with second convex lens 220, lamp hole groove 201 has been seted up in the middle of first convex lens 210, because first convex lens 210 and the first face butt of lamp plate 300, the light that lamp pearl 310 sent gathers in lamp hole groove 201, and then realizes first spotlight, carry out secondary spotlight through second convex lens 220, and then improved the hi-lite, thereby make the better spotlight of biconvex lens board 200, the luminance has been improved.
In order to limit the lenticular lens sheet 200 to the left and right, in one embodiment, as shown in fig. 3 and 4, an insertion block 230 is disposed on an outer surface of the lenticular lens sheet 200, a limit groove 101 is formed in the rubber frame 100, and the insertion block 230 is fitted in the limit groove 101. In this embodiment, four insertion blocks 230 are disposed on the side surface of the lenticular lens plate 200, four limiting grooves 101 are disposed on the inner side wall of the rubber frame 100, the four insertion blocks 230 correspond to the four limiting grooves 101 one by one, and the four insertion blocks 230 are respectively embedded in the four limiting grooves 101, so that the lenticular lens plate 200 is limited in the left and right directions.
In order to limit the lenticular lens plate 200 up and down, in one embodiment, as shown in fig. 3 and 4, a latch 240 is disposed on the insert 230, a bayonet 102 is disposed in the limiting groove 101, and the latch 240 is snapped into the bayonet 102. In the present embodiment, the four insertion blocks 230 are respectively provided with a corresponding fixture block 240, the four limiting grooves 101 are respectively provided with a corresponding bayonet 102 therein, the four fixture blocks 240 are in one-to-one correspondence with the four bayonets 102, and the four fixture blocks 240 are respectively clamped in the four bayonets 102, so that the double convex lens plate 200 is vertically limited.
In order to improve the sealing performance of the backlight module 10, in an embodiment, as shown in fig. 1 and fig. 2, the backlight module further includes a glass module 700, and the glass module 700 is disposed on an end of the rubber frame 100 away from the lamp panel 300. In this embodiment, the glass module 700 is fixed on the end of the rubber frame 100 away from the lamp panel 300 through the double-sided adhesive layer 500, and the surface of the double-sided adhesive layer 500 is of a foam structure, so that the glass module 700 seals the rubber frame 100, and the sealing performance of the backlight module 10 is better.
In order to dissipate heat of the lamp panel 300, in an embodiment, as shown in fig. 2, the lamp panel further includes heat dissipation fins 400, the heat dissipation fins 400 are connected to the second surface of the lamp panel 300, and the first surface of the lamp panel 300 is opposite to the second surface of the lamp panel 300. In one embodiment, the heat dissipation fin 400 includes a heat dissipation plate and fin bodies, the heat dissipation plate is integrally formed with the fin bodies, one surface of the heat dissipation plate is attached to the second surface of the lamp panel 300, each of the fin bodies is connected to a surface of the heat dissipation plate facing away from the lamp panel, each of the fin bodies is perpendicular to the heat dissipation plate, and the fin bodies are spaced apart from each other. In this embodiment, the material of heating panel and fin body is the aluminum alloy, and the aluminum alloy has the high characteristics of heat conductivity, can effectively carry out heat conduction and heat dissipation to the lamp plate. The heat generated by the lamp panel 300 during operation is conducted to the fin bodies through the heat dissipation plate, and then conducted to the outside through the fin bodies, so that the lamp panel 300 dissipates heat.
In order to fixedly connect the lamp panel 300 and the heat dissipation fins 400 and dissipate heat better, in one embodiment, as shown in fig. 1 and 2, a heat conductive adhesive layer 600 is disposed on the heat dissipation fins 400, and the heat dissipation fins 400 are connected to the second surface of the lamp panel 300 through the heat conductive adhesive layer 600. In this embodiment, the second surface of the lamp panel 300 is fixed on the heat dissipation fins 400 through the heat conductive adhesive layer 600, so that the lamp panel 300 is firmly fixed on the heat dissipation fins 400, the heat generated by the lamp panel 300 during operation is conducted to the heat conductive adhesive layer 600 in a concentrated manner, and is conducted to the heat dissipation fins 400 through the heat conductive adhesive layer 600, and finally is conducted to the outside through the heat dissipation fins 400, thereby achieving better heat dissipation of the lamp panel 300.
In order to accurately position the rubber frame 100 on the heat dissipation fins 400, in one embodiment, as shown in fig. 4 and 5, a positioning column 110 is disposed on the rubber frame 100, a positioning hole 401 is disposed on the heat dissipation fins 400, and the positioning column 110 is inserted into the positioning hole 401. In this embodiment, two positioning columns 110 are disposed on the rubber frame 100 near one end of the lamp panel 300, the two positioning columns 110 are disposed on two sides of the rubber frame 100, two positioning holes 401 are disposed on the heat dissipation fins 400, the positioning columns 110 correspond to the positioning holes 401 one-to-one, and the two positioning columns 110 are inserted into the two positioning holes 401 respectively, so that the rubber frame 100 is accurately positioned on the heat dissipation fins 400.
In order to fix the rubber frame 100 on the heat dissipation fins 400, in one embodiment, as shown in fig. 4 and 5, a screw 410 is further included, a screw hole 103 is formed on the rubber frame 100, through holes are formed on the heat dissipation fins 400, the through holes correspond to and communicate with the screw holes 103 one to one, and the screw 410 passes through the through hole and is screwed with a side wall of the screw hole 103. In this embodiment, four corners of the rubber frame 100 are respectively provided with four screw holes 103, the heat sink fins 400 are provided with four through holes, the four through holes correspond to the four screw holes 103 one by one, the four screws 410 respectively penetrate through the four through holes, and the four screws 410 are screwed with the side walls of the four screw holes 103, so that the rubber frame 100 is fixed on the heat sink fins 400.
In one embodiment, a display device is provided, which includes the backlight module 10 described in any of the above embodiments. Specifically, the light that lamp pearl 310 on the lamp plate 300 sent carries out primary spotlight through first convex lens 210 on the biconvex lens board 200 earlier, then carries out secondary spotlight through second convex lens 220 in the lamp hole groove 201 again, thereby luminance has been promoted, promptly under equal luminance requirement, can reduce the electric current that the backlight drive was used, so not only can be under the condition that reduces the consumption, can also realize the hi-lite requirement, and then the cost is reduced, consequently, high luminance has been realized, the display device of low-power consumption.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A backlight module, comprising: the lamp comprises a rubber frame, a biconvex lens plate and a lamp panel;
the double-convex lens plate is fixed in the rubber frame;
the first surface of the lamp panel is connected with the rubber frame, and a plurality of lamp beads are arranged on the first surface of the lamp panel;
a plurality of first convex lenses are arranged on the first surface of the double-convex lens plate and are abutted against the first surface of the lamp panel, each first convex lens is provided with a lamp hole groove, and each lamp bead is positioned in one lamp hole groove;
each lamp hole groove is internally provided with a second convex lens, and each lamp bead is aligned with one second convex lens.
2. The backlight module according to claim 1, wherein each of the first convex lenses is protruded toward the lamp panel; each second convex lens is arranged towards the lamp bead in a protruding mode; one surface of the lenticular lens plate back to the lamp panel is set to be a flat surface.
3. The backlight module according to claim 1, wherein the lenticular lens plate has an insert block on an outer surface thereof, the rubber frame has a limiting groove, and the insert block is engaged with the limiting groove.
4. The backlight module according to claim 3, wherein the insertion block is provided with a locking block, the limiting groove is provided with a locking notch, and the locking block is locked to the locking notch.
5. The backlight module according to claim 1, further comprising a glass module disposed at one end of the rubber frame away from the lamp panel.
6. The backlight module of claim 1, further comprising heat dissipation fins, wherein the heat dissipation fins are connected with the second surface of the lamp panel, and the first surface of the lamp panel and the second surface of the lamp panel are arranged opposite to each other.
7. The backlight module according to claim 6, wherein the heat dissipation fins are provided with a heat conductive adhesive layer, and the heat dissipation fins are connected with the second surface of the lamp panel through the heat conductive adhesive layer.
8. The backlight module as claimed in claim 6, wherein the adhesive frame is provided with a positioning post, the heat dissipation fins are provided with positioning holes, and the positioning post is inserted into the positioning holes.
9. The backlight module as claimed in claim 6, further comprising screws, wherein the plastic frame is provided with screw holes, the heat dissipating fins are provided with through holes, the through holes are in one-to-one correspondence with and communicate with the screw holes, and the screws penetrate through the through holes and are in threaded connection with the side walls of the screw holes.
10. A display device comprising a backlight module as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222649265.7U CN218037619U (en) | 2022-09-30 | 2022-09-30 | Backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222649265.7U CN218037619U (en) | 2022-09-30 | 2022-09-30 | Backlight module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218037619U true CN218037619U (en) | 2022-12-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222649265.7U Active CN218037619U (en) | 2022-09-30 | 2022-09-30 | Backlight module and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218037619U (en) |
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2022
- 2022-09-30 CN CN202222649265.7U patent/CN218037619U/en active Active
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