CN213876087U - Light guide plate for liquid crystal display backlight - Google Patents
Light guide plate for liquid crystal display backlight Download PDFInfo
- Publication number
- CN213876087U CN213876087U CN202120137929.4U CN202120137929U CN213876087U CN 213876087 U CN213876087 U CN 213876087U CN 202120137929 U CN202120137929 U CN 202120137929U CN 213876087 U CN213876087 U CN 213876087U
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- light guide
- guide plate
- shading
- led lamp
- box
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Abstract
The utility model discloses a light guide plate for a liquid crystal display backlight source, which comprises a light guide plate integral structure, wherein the light guide plate integral structure comprises a main light guide plate, one side of the main light guide plate is provided with a light source reflective film, one end of the main light guide plate is uniformly provided with a light guide groove, the main light guide plate is provided with an LED lamp strip corresponding to the light guide groove, the bottom end of the LED lamp strip is provided with a flexible circuit board, and one side surface of the LED lamp strip is uniformly provided with an LED lamp wick, the upper and lower ends of the LED lamp wick are both provided with wick connecting feet, the outer side of the LED lamp wick is nested with a shading side opening box, the surface of the shading adhesive tape is provided with a shading box opening hole matched with the size of the shading side opening box, thereby avoiding the problems that the LED lamp wick is relatively troublesome to overhaul and maintain when the shading adhesive tape is directly attached to the surface of the LED lamp wick, and the edges of the LED lamp easily damage the adhesive tape, the practicability is stronger.
Description
Technical Field
The utility model belongs to the technical field of the display screen, concretely relates to light guide plate for liquid crystal display backlight.
Background
The backlight source is a light source located behind a Liquid Crystal Display (LCD), and its luminous effect will directly affect the visual effect of the liquid crystal display module (LCM). The liquid crystal display displays a pattern or modulates light rays, and the light guide plate utilizes an optical acrylic/PC plate and then uses a high-tech material with extremely high refractive index and no light absorption to print light guide points on the bottom surface of the optical acrylic plate by using the technologies of laser engraving, V-shaped cross grid engraving and UV screen printing. The optical-grade acrylic sheet is used for absorbing the light emitted from the lamp to stay on the surface of the optical-grade acrylic sheet, when the light irradiates each light guide point, the reflected light can be diffused towards each angle, and then the reflected light is damaged and is emitted from the front surface of the light guide plate.
However, there are still some unreasonable factors in the use of the existing light guide plate for the liquid crystal display backlight source, and when the existing light guide plate for the liquid crystal display backlight source is used: the shading sticky tape is attached to the outside of the LED lamp for lighting of the light guide plate, light leakage of the LED lamp is avoided, the shading sticky tape can not perfectly attach to the LED lamp, edges and corners of the LED lamp are distinct, the shading sticky tape attached and fixed to the outside of the LED lamp is easily cut by the LED lamp with the distinct edges and corners, the service life is not long enough, and the shading sticky tape used in a direct attaching mode is not beneficial to replacement and maintenance of the LED lamp strip.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a light guide plate for liquid crystal display backlight 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 light guide plate for liquid crystal display backlight, includes light guide plate overall structure, light guide plate overall structure includes leading light guide plate, one side of leading light guide plate is provided with the light source reflective membrane, and just leads the one end of light guide plate and evenly seted up the light guide groove, the position that leads the light guide plate to correspond the light guide groove installs LED lamp area, the bottom in LED lamp area is provided with flexible line way board, and one side surface in LED lamp area evenly is provided with the LED wick, the upper and lower both ends of LED wick all are provided with the wick and connect the foot, and the outside nestification of LED wick has the shading side to open the box, it is provided with the shading sticky tape to open between box and the LED lamp area to shade side, the inside of shading sticky tape has evenly seted up the trompil of shading box, the wick spacing groove has been seted up to one side of the box is opened to the shading side, and the one side outer fringe of the shading side of opening the box is provided with the shading box shirt rim.
Preferably, the shading side opening boxes correspond to the LED lamp wicks one by one, and the shading box openings correspond to the shading side opening boxes one by one.
Preferably, the shading side opening box is fixedly connected with the LED lamp strip through a shading adhesive tape, and the shading adhesive tape is fixedly bonded with the LED lamp strip through a colloid.
Preferably, the light shielding box skirt edge and the light shielding side opening box are of an integrated structure.
Preferably, the light source reflective film and the main light guide plate are fixed by adhesive.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a nested shading side that has in the LED wick outside opens the box, and the surface of shading sticky tape is seted up and is opened the shading box trompil of box size looks adaptation with the shading side to it causes LED wick to overhaul and maintain more troublesome when having avoided the direct attached surface of LED wick of shading sticky tape, and the edges and corners of LED wick causes the damage scheduling problem to the shading sticky tape easily, and the practicality is stronger.
Drawings
Fig. 1 is a schematic view of a three-dimensional explosion structure of the present invention;
fig. 2 is a schematic perspective view of the present invention;
fig. 3 is a schematic view of the three-dimensional structure of the shading side open box of the present invention;
in the figure: 1. the light guide plate is of an integral structure; 101. a main light guide plate; 102. a light source reflective film; 103. an LED light strip; 104. an LED lamp wick; 105. a lamp wick connecting pin; 106. a light guide groove; 107. a flexible circuit board; 108. opening the box at the shading side; 109. a light shielding box skirt edge; 110. a light-shielding tape; 111. opening a hole in the shading box; 112. and a wick limiting groove.
Detailed Description
The technical solution in 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.
Referring to fig. 1-3, the present invention provides the following technical solutions: a light guide plate for a liquid crystal display backlight comprises a light guide plate integral structure 1, the light guide plate integral structure 1 comprises a main light guide plate 101, a light source reflecting film 102 is arranged on one side of the main light guide plate 101, and one end of the main light guide plate 101 is uniformly provided with light guide grooves 106, the LED lamp strip 103 is arranged at the position of the main light guide plate 101 corresponding to the light guide grooves 106, the bottom end of the LED lamp strip 103 is provided with a flexible circuit board 107, and one side surface of the LED lamp strip 103 is uniformly provided with LED lamp wicks 104, the upper and lower ends of the LED lamp wicks 104 are both provided with lamp wick connecting feet 105, and the outer side of the LED lamp wick 104 is nested with a shading side opening box 108, a shading adhesive tape 110 is arranged between the shading side opening box 108 and the LED lamp strip 103, shading box openings 111 are uniformly formed in the shading adhesive tape 110, a lamp wick limiting groove 112 is formed in one side of the shading side opening box 108, and a shading box skirt 109 is arranged on the outer edge of one side of the shading side opening box 108.
In order to better protect the LED lampwick 104, in this embodiment, preferably, the light-shielding side-opening box 108 corresponds to the LED lampwick 104 one to one, and the light-shielding box opening 111 corresponds to the light-shielding side-opening box 108 one to one.
In order to fix and stabilize the light-shielding side opening box 108 and the LED strip 103, in this embodiment, preferably, the light-shielding side opening box 108 and the LED strip 103 are fixedly connected by a light-shielding adhesive tape 110, and the light-shielding adhesive tape 110 and the LED strip 103 are fixed by adhesive bonding.
In order to make the light shielding box skirt 109 stronger, in the present embodiment, it is preferable that the light shielding box skirt 109 and the light shielding side open box 108 are of an integral structure.
In order to fix the light source reflection film 102 firmly, in this embodiment, it is preferable that the light source reflection film 102 and the main light guide plate 101 are fixed by adhesive bonding.
The utility model discloses a theory of operation and use flow: the utility model discloses install the back, at first inspect the utility model discloses an installation is fixed and safety protection, then just can use, during the installation, at first with the position installation that LED lamp area 103 corresponds light guide groove 106, with the attached one side of leading light guide plate 101 of light source reflective membrane 102, then open box 108 nestification with the shading side respectively in the outside of every LED wick 104 to it can to bond fixed shading sticky tape 110.
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 (5)
1. The utility model provides a light guide plate for liquid crystal display backlight, includes light guide plate overall structure (1), its characterized in that: the light guide plate integral structure (1) comprises a main light guide plate (101), a light source reflecting film (102) is arranged on one side of the main light guide plate (101), a light guide groove (106) is uniformly formed in one end of the main light guide plate (101), an LED lamp strip (103) is installed at the position, corresponding to the light guide groove (106), of the main light guide plate (101), a flexible circuit board (107) is arranged at the bottom end of the LED lamp strip (103), an LED lamp core (104) is uniformly arranged on the surface of one side of the LED lamp strip (103), lamp core connecting pins (105) are arranged at the upper end and the lower end of the LED lamp core (104), a shading side opening box (108) is nested on the outer side of the LED lamp core (104), a shading adhesive tape (110) is arranged between the shading side opening box (108) and the LED lamp strip (103), box opening holes (111) are uniformly formed in the shading adhesive tape (110), a limiting groove (112) is formed in one side of the shading side opening box (108), and the edge of one side of the shading side open box (108) is provided with a shading box skirt edge (109).
2. The light guide plate for a backlight of a liquid crystal display panel according to claim 1, wherein: the shading side open boxes (108) are in one-to-one correspondence with the LED lampwicks (104), and the shading box openings (111) are in one-to-one correspondence with the shading side open boxes (108).
3. The light guide plate for a backlight of a liquid crystal display panel according to claim 1, wherein: the shading side opening box (108) is fixedly connected with the LED lamp strip (103) through a shading adhesive tape (110), and the shading adhesive tape (110) is fixedly bonded with the LED lamp strip (103) through a colloid.
4. The light guide plate for a backlight of a liquid crystal display panel according to claim 1, wherein: the light shielding box skirt edge (109) and the light shielding side opening box (108) are of an integrated structure.
5. The light guide plate for a backlight of a liquid crystal display panel according to claim 1, wherein: the light source reflective film (102) and the main light guide plate (101) are fixedly bonded through glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120137929.4U CN213876087U (en) | 2021-01-19 | 2021-01-19 | Light guide plate for liquid crystal display backlight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120137929.4U CN213876087U (en) | 2021-01-19 | 2021-01-19 | Light guide plate for liquid crystal display backlight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213876087U true CN213876087U (en) | 2021-08-03 |
Family
ID=77046061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120137929.4U Expired - Fee Related CN213876087U (en) | 2021-01-19 | 2021-01-19 | Light guide plate for liquid crystal display backlight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213876087U (en) |
-
2021
- 2021-01-19 CN CN202120137929.4U patent/CN213876087U/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: 20210803 Termination date: 20220119 |
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| CF01 | Termination of patent right due to non-payment of annual fee |