CN209962053U - Sidelight type light guide plate - Google Patents
Sidelight type light guide plate Download PDFInfo
- Publication number
- CN209962053U CN209962053U CN201920651978.2U CN201920651978U CN209962053U CN 209962053 U CN209962053 U CN 209962053U CN 201920651978 U CN201920651978 U CN 201920651978U CN 209962053 U CN209962053 U CN 209962053U
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- China
- Prior art keywords
- light guide
- guide plate
- light
- plate body
- fixed block
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Abstract
The utility model discloses a side light type light guide plate, including base plate, leaded light subassembly and fixed block, leaded light subassembly set up in the base plate top, the fixed block set up in leaded light subassembly one side on the base plate, leaded light subassembly opposite side be provided with the supporting shoe on the base plate, the supporting shoe with all be provided with the installing frame on the fixed block, two be provided with the diffusion piece between the installing frame. Has the advantages that: the utility model discloses a set up the shading strip in light guide plate body play plain noodles both sides all, eliminate the light guide plate bright border phenomenon, avoid the light guide plate light leak, improve equipment light-emitting homogeneity; through being fixed in the reflection part with the embedding of light guide plate body to reveal light reflection back to the light guide plate through reflection part with light guide plate bottom surface and side, improve light utilization efficiency.
Description
Technical Field
The utility model relates to a light guide plate equipment in a poor light field, concretely relates to side light type light guide plate.
Background
The side light type backlight module is a backlight structure with a luminous source arranged on the side of a light guide plate, is usually used for a backlight module with a size of less than 30 inches, has the characteristics of light weight, thinness, narrow frame and low power consumption due to the design of a side incident light source, and is widely applied to the fields of backlight sources of liquid crystal displays, ultrathin advertising lamp boxes, luminous signboards and the like.
The applicant finds that at least the following technical problems exist in the prior art: firstly, because the side light type light guide plate is in a side incident type structure, a bright edge is generated at the edge of the light incident side of the light guide plate, and because a gap exists between the light guide plate and a frame, the light leakage phenomenon occurs at the light incident side of the light guide plate, and the uniformity of light emitting is influenced;
second, current equipment does not carry out the shading protection to the light guide plate side through installation reflector plate between light guide plate bottom and backplate, and light reveals through the light guide plate side, leads to the utilization ratio reduction of light source light.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a sidelight type light guide plate just in order to solve above-mentioned problem, the utility model provides an among a great deal of technical scheme preferred technical scheme have: the light guide plate light inlet side is provided with the light shading strip, so that the bright edge phenomenon of the light guide plate is eliminated, light leakage of the light guide plate is avoided, the light emitting uniformity of the equipment is improved, light rays on the bottom surface and the side edges of the light guide plate are reflected back to the light guide plate, the light ray utilization efficiency is improved, and details are explained below.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a side light type light guide plate, including base plate, leaded light subassembly and fixed block, leaded light subassembly set up in the base plate top, the fixed block set up in leaded light subassembly one side on the base plate, be provided with the supporting shoe on the base plate of leaded light subassembly opposite side, all be provided with the installing frame on supporting shoe and the fixed block, be provided with the diffusion piece between two installing frames;
the light guide assembly comprises a light guide plate body and a reflecting part, the bottom of the light guide plate body is of an inclined plane structure, the thicker end of the light guide plate body is close to the fixed block, the reflecting part is of a groove-shaped structure, the light guide plate body is embedded and fixed in the reflecting part, the bottom edge and the side edge of the reflecting part are both attached to the light guide plate body, and one side of the reflecting part, which is close to the fixed block, is of an opening structure;
an LED lamp is arranged on one side, close to the light guide assembly, of the fixed block;
and a shading strip is arranged at one side of the bottom of the mounting frame, which is close to the light guide plate body.
When the side light type light guide plate is used, the LED lamp emits light, light enters the light guide plate body, the light guide plate body is an optical-grade acrylic plate, light guide points are printed through a laser engraving technology, light passes through the reflecting effect of the reflecting portion and reaches the light guide points in the light guide plate body, the light is diffused to all angles at the moment, the light guide plate body breaks the light reflecting conditions, so that the light is ensured to be positively emitted out through the diffusion sheet, the light leaked from the bottom and the side edge of the light guide plate body is reflected by the reflecting portion, the leaked light is reflected back to the light guide plate body, and the shading strips reflect the light gathered on two sides of the top of the light guide plate body to avoid light leakage on the light inlet side.
Preferably, a positioning block is arranged on one side, close to the fixing block, of the top of the base plate.
Preferably, one side of the supporting block, which is close to the light guide plate body, is provided with a positioning groove.
Preferably, the inner bottom edge of the positioning groove is of an inclined plane structure attached to the outer side edge of the reflection part.
Preferably, the fixing blocks on the outer sides of the LED lamps are coated with a reflecting layer.
Preferably, the mounting frame is a U-shaped structure with a downward opening, and the fixing block and the supporting block are both connected with the mounting frame through bolts.
Preferably, the diffusion sheet includes an upper diffusion film, a light-increasing prism, and a lower diffusion film which are sequentially bonded from top to bottom.
Has the advantages that: 1. the utility model discloses a set up the shading strip in light guide plate body play plain noodles both sides all, eliminate the light guide plate bright border phenomenon, avoid the light guide plate light leak, improve equipment light-emitting homogeneity;
2. through being fixed in the reflection part with the embedding of light guide plate body to reveal light reflection back to the light guide plate through reflection part with light guide plate bottom surface and side, improve light utilization efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 creative efforts.
Fig. 1 is a schematic view of the internal structure of the present invention;
fig. 2 is an enlarged schematic view of the structure at a in fig. 1 according to the present invention;
fig. 3 is a schematic front view of the present invention;
fig. 4 is a schematic diagram of the right-side view structure of the present invention;
fig. 5 is a schematic view of the internal structure of the reflection part of the present invention;
fig. 6 is a schematic top view of the reflection unit of the present invention.
The reference numerals are explained below:
1. a substrate; 101. positioning blocks; 2. installing a frame; 201. a shading strip; 3. a light guide assembly; 301. a light guide plate body; 302. a reflection section; 4. a diffusion sheet; 5. a fixed block; 501. an LED lamp; 6. and (7) a supporting block.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of 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.
Referring to fig. 1 to 6, the present invention provides a side light type light guide plate, which includes a substrate 1, a light guide assembly 3 and a fixing block 5, wherein the light guide assembly 3 is disposed on the top of the substrate 1, the light guide assembly 3 is used for diffusing light to various angles, the fixing block 5 is disposed on the substrate 1 on one side of the light guide assembly 3, a supporting block 6 is disposed on the substrate 1 on the other side of the light guide assembly 3, mounting frames 2 are disposed on the supporting block 6 and the fixing block 5, a diffusion sheet 4 is disposed between the two mounting frames 2, and the mounting frames 2 are used for fixing the diffusion sheet 4 above the light guide assembly 3;
the light guide assembly 3 comprises a light guide plate body 301 and a reflection part 302, wherein the bottom of the light guide plate body 301 is of an inclined plane structure, the thicker end of the light guide plate body 301 is close to the fixed block 5, the reflection part 302 is of a groove-shaped structure, the light guide plate body 301 is embedded and fixed in the reflection part 302, the light guide plate body 301 is used for diffusing light rays to various angles and destroying the reflection condition of the light rays so as to ensure that the light rays are emitted out along the front surface of the diffusion sheet 4, the bottom edge and the side edge of the reflection part 302 are both attached to the light guide plate body 301, and one side of the reflection part;
an LED lamp 501 is disposed on one side of the fixed block 5 close to the light guide assembly 3, and the LED lamp 501 is used for emitting light into the light guide plate body 301;
the bottom of the installation frame 2 is provided with a shading strip 201 near one side of the light guide plate body 301, and the shading strip 201 is used for reflecting light rays collected at two sides of the top of the light guide plate body 301, so that light leakage at the light inlet side is avoided.
As an optional embodiment, a positioning block 101 is arranged on one side of the top of the substrate 1 close to the fixing block 5, and in this way, the positioning block 101 is used for positioning the reflection part 302, so that the fixing stability of the light guide plate body 301 is increased;
one side, close to the light guide plate body 301, of the supporting block 6 is provided with a positioning groove, the bottom edge in the positioning groove is of an inclined plane structure attached to the outer side edge of the reflection part 302, and therefore the bottom edge in the positioning groove is of the inclined plane structure attached to the outer side edge of the reflection part 302, the outer side edge of the reflection part 302 can be conveniently positioned through the positioning groove, and the equipment installation convenience is improved;
the fixed block 5 on the outer side of the LED lamp 501 is coated with a reflective layer, so that the light generated by the LED lamp 501 can be reflected conveniently, and the light utilization rate is improved;
the mounting frame 2 is of a U-shaped structure with a downward opening, and the fixing block 5 and the supporting block 6 are both connected with the mounting frame 2 through bolts;
the diffusion sheet 4 comprises an upper diffusion film, a light-increasing prism and a lower diffusion film which are sequentially adhered and arranged from top to bottom, and the arrangement is favorable for improving the uniformity of light output by the light guide plate through the light-increasing prism.
By adopting the structure, when the LED light source is used, the LED lamp 501 emits light, the light enters the light guide plate body 301, the light guide plate body 301 is an optical acrylic plate, light guide points are printed by a laser engraving technology, the light reaches the light guide points in the light guide plate body 301 through the reflection action of the reflection part 302, at the moment, the light is diffused to all angles, the light guide plate body 301 destroys the light reflection condition, so that the light is ensured to be emitted out along the front surface of the diffusion sheet 4, the reflection part 302 reflects the light leaked from the bottom and the side edge of the light guide plate body 301, the leaked light is reflected back to the light guide plate body 301, the light shading strips 201 reflect the light gathered at the two sides of the top of the light guide plate body 301, and the light leakage at the;
the light shading strips 201 are arranged on the two sides of the light emitting surface of the light guide plate body 301, so that the bright edge phenomenon of the light guide plate is eliminated, light leakage of the light guide plate is avoided, and the light emitting uniformity of the equipment is improved; the light guide plate body 301 is embedded and fixed in the reflection part 302, and the light leaking from the bottom surface and the side edge of the light guide plate is reflected back to the light guide plate through the reflection part 302, so that the light utilization efficiency is improved.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. A side-light type light guide plate, characterized in that: the light guide component comprises a substrate (1), a light guide component (3) and a fixed block (5), wherein the light guide component (3) is arranged at the top of the substrate (1), the fixed block (5) is arranged on the substrate (1) on one side of the light guide component (3), a supporting block (6) is arranged on the substrate (1) on the other side of the light guide component (3), mounting frames (2) are arranged on the supporting block (6) and the fixed block (5), and a diffusion sheet (4) is arranged between the two mounting frames (2);
the light guide assembly (3) comprises a light guide plate body (301) and a reflecting part (302), the bottom of the light guide plate body (301) is of an inclined plane structure, the thicker end of the light guide plate body (301) is close to the fixed block (5), the reflecting part (302) is of a groove-shaped structure, the light guide plate body (301) is embedded and fixed in the reflecting part (302), the inner bottom edge and the side edge of the reflecting part (302) are attached to the light guide plate body (301), and one side, close to the fixed block (5), of the reflecting part (302) is of an opening structure;
an LED lamp (501) is arranged on one side, close to the light guide assembly (3), of the fixed block (5);
and a shading strip (201) is arranged at one side of the bottom of the mounting frame (2) close to the light guide plate body (301).
2. The edge-light type light guide plate according to claim 1, wherein: and a positioning block (101) is arranged on one side, close to the fixing block (5), of the top of the base plate (1).
3. The edge-light type light guide plate according to claim 1, wherein: and one side of the supporting block (6) close to the light guide plate body (301) is provided with a positioning groove.
4. A side-light type light guide plate according to claim 3, wherein: the inner bottom edge of the positioning groove is of an inclined plane structure attached to the outer side edge of the reflection part (302).
5. The edge-light type light guide plate according to claim 1, wherein: and the fixed block (5) at the outer side of the LED lamp (501) is coated with a reflective layer.
6. The edge-light type light guide plate according to claim 1, wherein: the mounting frame (2) is of a U-shaped structure with an opening facing downwards, and the fixing block (5) and the supporting block (6) are connected with the mounting frame (2) through bolts.
7. The edge-light type light guide plate according to claim 1, wherein: the diffusion sheet (4) comprises an upper diffusion film, a light-adding prism and a lower diffusion film which are sequentially adhered and arranged from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920651978.2U CN209962053U (en) | 2019-05-08 | 2019-05-08 | Sidelight type light guide plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920651978.2U CN209962053U (en) | 2019-05-08 | 2019-05-08 | Sidelight type light guide plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209962053U true CN209962053U (en) | 2020-01-17 |
Family
ID=69244822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920651978.2U Expired - Fee Related CN209962053U (en) | 2019-05-08 | 2019-05-08 | Sidelight type light guide plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209962053U (en) |
-
2019
- 2019-05-08 CN CN201920651978.2U patent/CN209962053U/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: 20200117 |
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| CF01 | Termination of patent right due to non-payment of annual fee |