CN214375371U - Light guide plate and flat lamp with same - Google Patents
Light guide plate and flat lamp with same Download PDFInfo
- Publication number
- CN214375371U CN214375371U CN202120061937.5U CN202120061937U CN214375371U CN 214375371 U CN214375371 U CN 214375371U CN 202120061937 U CN202120061937 U CN 202120061937U CN 214375371 U CN214375371 U CN 214375371U
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- light guide
- guide plate
- substrate
- plate
- light
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Abstract
The utility model discloses a light guide plate has flat lamp of this light guide plate, the former includes the base plate, the base plate has relative two surfaces and is respectively the front and the back, and define the front as the plain noodles, the back is the frosting that has the diffusion function to the light, the frosting is the rugged rough surface formed by concave part and convex part, the front is the stereoplasm face through hardening treatment; the side of the inner part of the substrate, which is close to the back surface, is provided with a plurality of light guide points, and the depth of the light guide points is greater than that of the concave part; the panel lamp also comprises a lamp frame, a back plate, a reflecting layer and an LED light source, wherein the back plate, the reflecting layer and the LED light source are arranged in the lamp frame. Therefore, the utility model discloses have light guide and diffusion function simultaneously, and the front of light guide plate is the stereoplasm face through hardening treatment, can avoid the front of light guide plate by fish tail etc. prolong its life.
Description
Technical Field
The utility model belongs to the technical field of lamps and lanterns, in particular to light guide plate and have dull and stereotyped lamp of this light guide plate.
Background
The light guide plate is a high-tech product for converting a linear light source into a surface light source. The light guide plate in the prior art utilizes an optical acrylic (PMMA) plate, and then uses printing ink with extremely high reflectivity and no light absorption to print light guide points on the bottom surface of the optical acrylic plate. 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. The light guide plate can uniformly emit light through various light guide points with different densities and sizes.
The light guide plate is generally used by combining a reflection sheet with a back surface thereof and a diffusion plate with a front surface thereof, the reflection sheet is used to reflect light exposed from a bottom surface of the light guide plate back into the light guide plate to improve the use efficiency of the light, and the diffusion plate is used to further diffuse the light to make the light softer. As can be seen from the structure and principle of the light guide plate in the prior art, the light guide plate in the prior art needs to use an optical-grade acrylic plate with higher cost and a diffusion plate, so that the overall cost is higher.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a light guide plate, has light guide and diffusion function simultaneously, and the front of light guide plate is the stereoplasm face through the sclerosis processing, can avoid the front of light guide plate by fish tail etc. prolongs its life.
In order to solve the technical problem, the utility model discloses a technical scheme be: the light guide plate comprises a substrate, wherein the substrate is provided with two opposite surfaces which are respectively a front surface and a back surface, the front surface is defined as a light-emitting surface, the back surface is a frosted surface with a light diffusion function, the frosted surface is an uneven rough surface formed by concave parts and convex parts, and the front surface is a hardened hard surface;
the inside of base plate has a plurality of leaded light points.
Further, the depth of the light guide point is larger than the depth of the concave portion.
Further, the frosted surface is a frosted surface formed simultaneously when the substrate is extruded;
or the frosted surface is formed on the back surface of the substrate through hot pressing;
or the frosted surface is formed by polishing the back surface of the substrate.
Further, the light guide point is formed inside the substrate by laser engraving.
Further, the substrate is an acrylic board or a PC (polycarbonate) board.
The utility model also provides a dull and stereotyped lamp that has the light guide plate, dull and stereotyped lamp still include the rim and install in backplate, reflection stratum and LED light source in the rim, the reflection stratum is located the light guide plate with between the backplate, just the reflection stratum is located the back of light guide plate, the LED light source is located the side of light guide plate.
The utility model has the advantages that:
the back surface of the light guide plate of the utility model is a frosted surface, so that the light guide plate has double functions of light guide and diffusion, not only can convert a line light source into a surface light source, but also can make the light emitting more uniform and soft;
because the light guide plate is generally an optical-grade acrylic plate, the surface is easily scratched and abraded, the original LED flat lamp structure is that a diffusion plate is also arranged on the front surface of the light guide plate, and the diffusion plate can play a role in protecting the front surface of the light guide plate besides playing a role in diffusion, and the flat lamp of the utility model has the advantages that the cost is saved without the diffusion plate, and the front surface of the light guide plate is a hardened hard surface under the condition that the light guide plate has the functions of light guiding and diffusion, the abrasion or scratch and the like caused by the fact that no extra protection structure is directly exposed outside on the front surface of the light guide plate can not exist, and the service life of the light guide plate or the flat lamp is prolonged;
furthermore, the utility model discloses a leaded light point of light guide plate is located the inside of base plate, and the degree of depth of leaded light point will be greater than the degree of depth of the concave part of frosting to make leaded light point and outside isolated, make it obtain effective protection, leaded light point also is difficult for wearing and tearing, is destroyed etc. prolongs the life of dull and stereotyped lamp.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
Fig. 1 is a schematic structural view of embodiment 1 of the present invention;
fig. 2 is a schematic structural view of embodiment 2 of the present invention;
the parts in the drawings are marked as follows:
the LED light source comprises a substrate 1, a front surface 11, a back surface 12, a light guide point 13, a lamp frame 2, a back plate 3, a reflecting layer 4 and an LED light source 5.
Detailed Description
The following description is provided for illustrative embodiments of the present invention, and the advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure of the present invention. The present invention can also be implemented in other different ways, i.e. different modifications and changes can be made without departing from the scope of the present invention.
Example 1: a light guide plate, as shown in fig. 1, includes a substrate 1, the substrate has two opposite surfaces, namely a front surface 11 and a back surface 12, and defines the front surface as a light-emitting surface, the back surface is a frosted surface having a light diffusion function, the frosted surface is an uneven rough surface formed by a concave portion and a convex portion, and the front surface is a hard surface subjected to a hardening treatment (the treatment is a prior art, such as surface coating or soaking, and thus is not described herein);
the inside of the base plate is provided with a plurality of light guide points 13, and in the embodiment, the light guide points are positioned inside the base plate and close to the side of the frosting surface.
Preferably, the depth of the light guide point is greater than the depth of the recess.
The frosted surface is formed when the frosted surface is extruded with the substrate;
or the frosted surface is formed on the back surface of the substrate through hot pressing;
or the frosted surface is formed by polishing the back surface of the substrate.
The light guide point is formed in the substrate by laser inner carving.
The substrate is an acrylic board or a PC (polycarbonate) board, but is not limited thereto.
Example 2: as shown in fig. 2, the flat panel lamp with the light guide plate according to embodiment 1 further includes a bezel 2, and a back plate 3, a reflective layer 4 and an LED light source 5 installed in the bezel, wherein the reflective layer is located between the light guide plate and the back plate, the reflective layer is located on the back surface of the light guide plate, and the LED light source is located on the side surface of the light guide plate.
The utility model discloses a working process and theory of operation:
the back of the light guide plate is a frosted surface, so that the light guide plate has double functions of light guide and diffusion, a linear light source can be converted into a surface light source, and the light can be emitted more uniformly and softly;
because the light guide plate is generally an optical-grade acrylic plate, the surface is easily scratched and abraded, the original LED flat lamp structure is that a diffusion plate is also arranged on the front surface of the light guide plate, and the diffusion plate can play a role in protecting the front surface of the light guide plate besides playing a role in diffusion, and the flat lamp of the utility model has the advantages that the cost is saved without the diffusion plate, and the front surface of the light guide plate is a hardened hard surface under the condition that the light guide plate has the functions of light guiding and diffusion, the abrasion or scratch and the like caused by the fact that no extra protection structure is directly exposed outside on the front surface of the light guide plate can not exist, and the service life of the light guide plate or the flat lamp is prolonged;
the light guide point of the light guide plate is located in the base plate, and the depth of the light guide point is larger than that of the concave part of the frosted surface, so that the light guide point is isolated from the outside, the light guide point is effectively protected, the light guide point is not easy to wear, damage and the like, and the service life of the flat lamp is prolonged.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same principle as the protection scope of the present invention.
Claims (6)
1. A light guide plate, characterized in that: the light-emitting diode substrate comprises a substrate (1), wherein the substrate is provided with two opposite surfaces which are a front surface (11) and a back surface (12) respectively, the front surface is defined as a light-emitting surface, the back surface is a frosted surface with a light diffusion function, the frosted surface is an uneven rough surface formed by concave parts and convex parts, and the front surface is a hardened hard surface;
the substrate has a plurality of light guide points (13) inside.
2. The light guide plate according to claim 1, wherein: the depth of the light guide point is larger than that of the concave part.
3. The light guide plate according to claim 1, wherein: the frosted surface is formed when the frosted surface is extruded with the substrate;
or the frosted surface is formed on the back surface of the substrate through hot pressing;
or the frosted surface is formed by polishing the back surface of the substrate.
4. The light guide plate according to claim 1, wherein: the light guide point is formed in the substrate by laser inner carving.
5. The light guide plate according to claim 1, wherein: the substrate is an acrylic plate or a PC plate.
6. A flat lamp having the light guide plate of any one of claims 1 to 5, wherein: the flat lamp further comprises a lamp frame (2), a back plate (3), a reflecting layer (4) and an LED light source (5), wherein the back plate, the reflecting layer and the LED light source are mounted in the lamp frame, the reflecting layer is located between the light guide plate and the back plate, the reflecting layer is located on the back face of the light guide plate, and the LED light source is located on the side face of the light guide plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120061937.5U CN214375371U (en) | 2021-01-11 | 2021-01-11 | Light guide plate and flat lamp with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120061937.5U CN214375371U (en) | 2021-01-11 | 2021-01-11 | Light guide plate and flat lamp with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214375371U true CN214375371U (en) | 2021-10-08 |
Family
ID=77954458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120061937.5U Active CN214375371U (en) | 2021-01-11 | 2021-01-11 | Light guide plate and flat lamp with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214375371U (en) |
-
2021
- 2021-01-11 CN CN202120061937.5U patent/CN214375371U/en active Active
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