CN211857137U - Backlight source structure of liquid crystal display - Google Patents
Backlight source structure of liquid crystal display Download PDFInfo
- Publication number
- CN211857137U CN211857137U CN202020324088.3U CN202020324088U CN211857137U CN 211857137 U CN211857137 U CN 211857137U CN 202020324088 U CN202020324088 U CN 202020324088U CN 211857137 U CN211857137 U CN 211857137U
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- China
- Prior art keywords
- light
- guide plate
- light guide
- lamp strip
- brightness enhancement
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Abstract
The utility model provides a backlight structure of LCD screen, glue the frame including drain pan, first lamp strip, second lamp strip, reflective membrane, light guide plate, diffusion barrier, membrane of adding lustre to and support, the drain pan upwards extends and is equipped with the portion of bending, the portion of bending is equipped with the rectangle trompil, the rectangle trompil with locate the lug buckle in the frame outside is glued to the support is connected, the light guide plate is located the frame inboard is glued to the support, be equipped with the reflective membrane between the bottom of light guide plate lower surface and drain pan, the light guide plate upper surface is equipped with diffusion barrier and membrane of adding lustre to in proper order, the light guide plate both sides are equipped with first lamp strip and second lamp strip respectively, the light emitting area of first lamp strip and second lamp strip towards the. Implement the utility model discloses a backlight adopts the light guide plate both sides to set up the luminescent light, and luminous even, and the assembly is compact, exempts from screw assembly, and the assembly is simple, and the leakproofness is good, avoids the light leak, therefore the product percent of pass is high.
Description
Technical Field
The utility model relates to a backlight structure technical field of LCD screen, in particular to backlight structure of LCD screen.
Background
In modern life, electronic display screens are more and more widely applied, and the LED backlight source of the display screen plays a vital role in the production qualification rate and the display effect of the liquid crystal display screen. However, most LED backlights have complicated mounting and fixing processes, uneven light emission, poor sealing performance, and side light leakage, which affects the product yield.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the utility model provides a can realize that light guide plate both sides are luminous, luminous effect is better, and it exempts from the screw fixation, convenient assembling, and the leakproofness is good, is difficult for producing the backlight structure of the LCD screen of side light leak.
The technical scheme of the utility model is realized like this:
the utility model discloses a backlight structure of LCD screen, glue the frame including drain pan, first lamp strip, second lamp strip, reflective membrane, light guide plate, diffusion barrier, membrane of adding lustre to and support, the drain pan upwards extends and is equipped with the portion of bending, the portion of bending is equipped with the rectangle trompil, the rectangle trompil with locate the lug buckle in the frame outside is glued to the support is connected, the light guide plate is located the frame inboard is glued to the support, be equipped with the reflective membrane between the bottom of light guide plate lower surface and drain pan, the light guide plate upper surface is equipped with diffusion barrier and membrane of adding lustre to in proper order, the light guide plate both sides are equipped with first lamp strip and second lamp strip respectively, the light emitting area of first lamp strip and second lamp strip towards the.
Furthermore, the backlight source structure further comprises a shading frame and a pasting layer arranged on the lower surface of the shading frame, and the shading frame is attached to the bottom shell along the peripheral edge of the upper surface of the brightness enhancement film through the pasting layer.
Further, first lamp strip extends and is equipped with first flexible line way board, first flexible line way board is equipped with the first binding post of connecting power supply.
Furthermore, a plurality of LED lamp beads which are arranged in a straight line are arranged on the first lamp strip, and the light emitting surface of each LED lamp bead points to one side surface of the light guide plate.
Further, the first light bar and the second light bar are identical in structure.
Further, the brightness enhancement film comprises an upper brightness enhancement film and a lower brightness enhancement film, and the upper brightness enhancement film is arranged on the upper surface of the lower brightness enhancement film.
Implement the utility model discloses a backlight structure of LCD screen has following profitable technological effect:
be different from the backlight structure of LCD screen on the existing market comparatively complicated, luminous inhomogeneous, it is poor in a poor light effect, and the dismouting is numerous and diverse, the inconvenient problem of installation, and the backlight structure of this technical scheme LCD screen adopts the light guide plate both sides to set up the luminescent light, and luminous even, and the assembly is compact, exempts from screw assembly, and the assembly is simple, and the leakproofness is good, avoids the light leak, therefore the product percent of pass is high.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic front structural view of a backlight source structure of a liquid crystal display panel according to the present invention;
fig. 2 is a schematic back side structure view of the backlight source structure of the liquid crystal display of the present invention;
fig. 3 is a schematic view of a first light bar in a backlight source structure of a liquid crystal display of the present invention;
fig. 4 is a schematic front structural view of a support rubber frame in a backlight source structure of a liquid crystal display of the present invention;
fig. 5 is a schematic view of a back structure of a support rubber frame in a backlight source structure of a liquid crystal display of the present invention;
fig. 6 is a schematic front view of a bottom case in a backlight source structure of a liquid crystal display of the present invention;
fig. 7 is a schematic side view of a bottom case in a backlight source structure of a liquid crystal display of the present invention;
fig. 8 is a schematic view of a structure of a shading frame in a backlight structure of a liquid crystal display of the present invention.
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 efforts belong to the protection scope of the present invention.
Please refer to fig. 1 to 8, an embodiment of the present invention, a backlight source structure 100 of a liquid crystal display, including a bottom case 1, a first light bar 2, a second light bar 3, a reflective film 4, a light guide plate 5, a diffusion film 6, a brightness enhancement film 7 and a support glue frame 8, the bottom case 1 extends upwards to be equipped with a bending portion 11, the bending portion 11 is equipped with a rectangular opening 12, the rectangular opening 12 is connected with a lug 81 buckle locating the support glue frame 8 outside, the light guide plate 5 is located the support glue frame 8 inboard, be equipped with the reflective film 4 between the bottom of the light guide plate 5 lower surface and the bottom case 1, the upper surface of the light guide plate 5 is equipped with the diffusion film 5 and the brightness enhancement film 7 in proper order, the two sides of the light guide plate 5 are equipped with a first light bar 2 and a second light bar 3 respectively, the light emitting.
According to one embodiment, the backlight structure 100 further includes a light-shielding frame 9 and an adhesive layer (not shown) disposed on a lower surface of the light-shielding frame 9, wherein the light-shielding frame 9 is attached to the bottom case 1 along a peripheral edge of the upper surface of the brightness enhancement film 7 through the adhesive layer.
According to one embodiment, the first light bar 2 is extended to form a first flexible printed circuit 21, and the first flexible printed circuit 21 is provided with a first connection terminal 22 for connecting to a power supply.
According to one embodiment, the first light bar 2 is provided with a plurality of linearly arranged LED lamp beads, and the light emitting surface of each LED lamp bead points to one side surface of the light guide plate 5.
According to one embodiment, the first light bar 2 and the second light bar 3 are identical in structure.
According to one embodiment, the brightness enhancement film 7 includes an upper brightness enhancement film and a lower brightness enhancement film, and the upper brightness enhancement film is provided on an upper surface of the lower brightness enhancement film.
Implement the utility model discloses a backlight structure of LCD screen has following profitable technological effect:
be different from the backlight structure of LCD screen on the existing market comparatively complicated, luminous inhomogeneous, it is poor in a poor light effect, and the dismouting is numerous and diverse, the inconvenient problem of installation, and the backlight structure of this technical scheme LCD screen adopts the light guide plate both sides to set up the luminescent light, and luminous even, and the assembly is compact, exempts from screw assembly, and the assembly is simple, and the leakproofness is good, avoids the light leak, therefore the product percent of pass is high.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a backlight structure of LCD screen, its characterized in that glues the frame including drain pan, first lamp strip, second lamp strip, reflective membrane, light guide plate, diffusion barrier, membrane of adding lustre to and support, the drain pan upwards extends and is equipped with the portion of bending, the portion of bending is equipped with the rectangle trompil, the rectangle trompil with locate the support glues the lug buckle in the frame outside and connects, the light guide plate is located the frame is glued to the support inboard, be equipped with the reflective membrane between the bottom of light guide plate lower surface and drain pan, the light guide plate upper surface is equipped with diffusion barrier and membrane of adding lustre to in proper order, the light guide plate both sides are equipped with first lamp strip and second lamp strip respectively, the light emitting area of first lamp strip and second lamp.
2. The backlight structure of claim 1, further comprising a light-shielding frame and an adhesive layer disposed on a lower surface of the light-shielding frame, wherein the light-shielding frame is attached to the bottom casing along the peripheral edge of the upper surface of the brightness enhancement film through the adhesive layer.
3. The backlight structure of claim 1, wherein the first light bar is extended with a first flexible printed circuit board, and the first flexible printed circuit board is provided with a first connection terminal for connecting to a power supply.
4. The backlight structure of claim 1, wherein the first light bar has a plurality of LED light beads arranged in a straight line, and a light emitting surface of the LED light beads is directed to a side of the light guide plate.
5. The backlight structure of claim 1, wherein the first and second light bars are identical.
6. The backlight structure of claim 1, wherein the brightness enhancement film comprises an upper brightness enhancement film and a lower brightness enhancement film, and the upper brightness enhancement film is disposed on an upper surface of the lower brightness enhancement film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020324088.3U CN211857137U (en) | 2020-03-16 | 2020-03-16 | Backlight source structure of liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020324088.3U CN211857137U (en) | 2020-03-16 | 2020-03-16 | Backlight source structure of liquid crystal display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211857137U true CN211857137U (en) | 2020-11-03 |
Family
ID=73133643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020324088.3U Expired - Fee Related CN211857137U (en) | 2020-03-16 | 2020-03-16 | Backlight source structure of liquid crystal display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211857137U (en) |
-
2020
- 2020-03-16 CN CN202020324088.3U patent/CN211857137U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201103 |
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| CF01 | Termination of patent right due to non-payment of annual fee |