CN218585034U - Hot-pressing mesh point light guide plate - Google Patents
Hot-pressing mesh point light guide plate Download PDFInfo
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- CN218585034U CN218585034U CN202223053255.3U CN202223053255U CN218585034U CN 218585034 U CN218585034 U CN 218585034U CN 202223053255 U CN202223053255 U CN 202223053255U CN 218585034 U CN218585034 U CN 218585034U
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Abstract
The utility model discloses a hot pressing site light guide plate, including the base plate, a side of base plate is for going into the light side, and three side is the light-emitting side in addition, and the base plate top is equipped with the net dot groove, and at least one light-emitting side top is equipped with the bar groove. The beneficial effects of the utility model include: the strip-shaped groove is formed in the top of the light-emitting side face of the substrate, so that light which is wasted through diffuse reflection of the light-emitting side face can be horizontally reflected and diffusely reflected through the strip-shaped groove, and the light is reflected back to the inside of the light guide plate, so that the utilization rate of a light source is improved, and the overall brightness of the light guide plate is increased; the light rays of the light guide plate are gradually weakened from the light inlet side surface to the light outlet side surface opposite to the light inlet side surface, so that the brightness of the light guide plate is gradually weakened, and the density of the mesh point grooves is gradually increased from the light inlet side surface to the light outlet side surface opposite to the light inlet side surface, so that the brightness of the light guide plate is more uniform.
Description
Technical Field
The utility model belongs to the technical field of the light guide plate technique and specifically relates to a hot pressing site light guide plate is related to.
Background
The light guide plate is characterized in that light guide points are printed on the bottom surface of an optical acrylic plate by using an optical acrylic/PC plate and then using a high-tech material with extremely high refractive index and no light absorption through laser engraving, V-shaped cross grid engraving and UV screen printing technologies. 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, so that the light 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 reflecting sheet is used for reflecting the light exposed from the bottom surface back to the light guide plate so as to improve the use efficiency of the light; under the condition of equal area brightness, the luminous efficiency is high and the power consumption is low.
The light guide plate is generally made of a material having high light transmittance, and converts a line light source or a point light source into a surface light source by guiding a transmission direction of a light beam emitted from the light source. Light enters horizontally from the light inlet side face of the light guide plate, part of the light is converted by 90 degrees through the light path and is emitted from the upper surface and the lower surface of the light guide plate, and part of the light is emitted from the light outlet side face of the light guide plate, so that the utilization rate of a light source is low. The light source utilization rate of the existing thicker light guide plate can be improved by pasting the reflective adhesive tape on the light emergent side surface. However, as the display panel products are developed toward the direction of lightness and thinness, the light guide plate is thinner and thinner, and the adhesive force of the reflective tape is lower, so that the reflective tape is difficult to be attached to the light-emitting side surface of the light guide plate.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned technique not enough, provide a hot pressing site light guide plate, solve among the prior art thicker light guide plate accessible and paste reflection of light sticky tape in the light-emitting side and improve light source utilization ratio. However, as the display panel products are developed toward the direction of lightness and thinness, the light guide plate is thinner and thinner, and the adhesive force of the reflective tape is lower, so that the reflective tape is difficult to be attached to the light-emitting side face of the light guide plate.
In order to achieve the technical purpose, the utility model provides a hot pressing site light guide plate, including the base plate, a side of base plate is for going into the light side, and three side is the light-emitting side in addition, and the base plate top is equipped with the mesh groove, and at least one light-emitting side top is equipped with the bar groove.
Further, the thickness of the substrate is 3.0 to 4.0mm.
Further, the depth of the mesh point groove is 1.0-1.5 mm.
Further, the depth of the strip-shaped groove is 1.5-2.5 mm.
Further, the mesh point grooves are cylindrical.
Further, the strip-shaped groove is prism-shaped.
Further, the density of the mesh point grooves gradually increases from the light incident side surface to the light exit side surface opposite to the light incident side surface.
Further, the top of the three light-emitting side surfaces of the substrate is provided with a strip-shaped groove, and the three strip-shaped grooves are connected end to form a U-shaped structure.
Further, the substrate is made of a PC coil.
Furthermore, the upper and lower surfaces of the substrate are covered with protective films.
The beneficial effects of the utility model include:
1. set up the bar groove through the light-emitting side top at the base plate, can become horizontal reflection and diffuse reflection through bar groove formation with the extravagant light of light-emitting side diffuse reflection originally, with inside light reflection back light guide plate to improve the utilization ratio of light source, and increase the whole luminance of light guide plate.
2. All set up the bar groove through three light-emitting side top at the base plate, can reflect light inside the light guide plate from three light-emitting side to can further improve the utilization ratio of light source, and further increase the whole luminance of light guide plate.
3. The light rays of the light guide plate are gradually weakened from the light inlet side surface to the light outlet side surface opposite to the light inlet side surface, so that the brightness of the light guide plate is gradually weakened, and the density of the mesh point grooves is gradually increased from the light inlet side surface to the light outlet side surface opposite to the light inlet side surface, so that the brightness of the light guide plate is more uniform.
Drawings
Fig. 1 is a schematic structural view of a hot-pressing dot light guide plate according to embodiment 1 of the present invention;
fig. 2 is a schematic view of a hot-pressing dot light guide plate structure according to embodiment 2 of the present invention;
in the figure: 1. a substrate; 2. a mesh point slot; 3. a strip-shaped groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
The embodiment provides a hot-pressing dot light guide plate, as shown in fig. 1, which includes a substrate 1, one side of the substrate 1 is a light incident side, the other three sides are light emergent sides, a dot groove 2 is arranged on the top of the substrate 1, and a strip groove 3 is arranged on the top of at least one light emergent side.
Set up bar groove 3 through the light-emitting side top at base plate 1, can form horizontal reflection and diffuse reflection through bar groove 3 with the extravagant light of light-emitting side diffuse reflection originally, with inside light reflection back light guide plate to improve the utilization ratio of light source, and increase the whole brilliance of light guide plate.
Preferably, the substrate 1 has a thickness of 3.0 to 4.0mm.
Preferably, the depth of the dot groove 2 is 1.0 to 1.5mm.
Preferably, the depth of the strip groove 3 is 1.5 to 2.5mm.
Preferably, the dot slots 2 are cylindrical.
Preferably, the strip-shaped grooves 3 are prismatic.
In this embodiment, the density of the dot grooves 2 gradually increases from the light incident side to the light exiting side opposite to the light incident side. The light rays of the duct plate gradually weaken from the light incident side surface to the light emergent side surface opposite to the light incident side surface, so that the brightness of the light guide plate gradually weakens, and the density of the mesh point grooves 2 gradually increases from the light incident side surface to the light emergent side surface opposite to the light incident side surface, so that the brightness of the light guide plate is more uniform.
In this embodiment, three light-emitting side top of base plate 1 all is equipped with strip groove 3, and 3 end-to-end connections in three strip groove constitute a U-shaped structure. All set up bar groove 3 through 1 three light-emitting side tops at base plate, can reflect light inside the light guide plate from three light-emitting side to can further improve the utilization ratio of light source, and further increase the whole luminance of light guide plate.
Preferably, the substrate 1 is a PC coil.
Preferably, the upper and lower surfaces of the substrate 1 are further covered with protective films, and the protective films are made of PE plastic. The protective film can protect the upper and lower surfaces of the substrate 1 and prevent the upper and lower surfaces of the substrate 1 from being scratched.
Example 2
This embodiment provides a hot pressing site light guide plate, on embodiment 1's basis, as shown in fig. 2, at least one light-emitting side bottom is equipped with bar groove 3, and the inner height that highly is greater than top bar groove 3 of bottom bar groove 3 is inner, and the design can be more effective inside light-emitting side reflection back light guide plate so to can further improve the utilization ratio of light source, and further increase the whole luminance of light guide plate.
The beneficial effects of the utility model include:
1. set up bar groove 3 through the light-emitting side top at base plate 1, can form horizontal reflection and diffuse reflection through bar groove 3 with the extravagant light of light-emitting side diffuse reflection originally, with inside light reflection back light guide plate to improve the utilization ratio of light source, and increase the whole brilliance of light guide plate.
2. All set up bar groove 3 through 1 three light-emitting side tops at base plate, can reflect light inside the light guide plate from three light-emitting side to can further improve the utilization ratio of light source, and further increase the whole luminance of light guide plate.
3. The light rays of the light guide plate are gradually weakened from the light inlet side to the light outlet side opposite to the light inlet side, so that the brightness of the light guide plate is gradually weakened, and the density of the mesh point grooves 2 is gradually increased from the light inlet side to the light outlet side opposite to the light inlet side, so that the brightness of the light guide plate is more uniform.
The above description is intended to illustrate the embodiments of the present invention, and not to limit the scope of the invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a hot pressing site light guide plate, its characterized in that includes the base plate, a side of base plate is the income light side, and other three side is the light-emitting side, the base plate top is equipped with the site groove, at least one light-emitting side top is equipped with the bar groove.
2. The hot-pressed dot light guide plate as claimed in claim 1, wherein the substrate has a thickness of 3.0-4.0 mm.
3. The hot-pressing dot light guide plate according to claim 1, wherein the depth of the dot grooves is 1.0 to 1.5mm.
4. The hot-pressing dot light guide plate as claimed in claim 1, wherein the depth of the stripe grooves is 1.5-2.5 mm.
5. The hot-pressed dot light guide plate as claimed in claim 1, wherein the dot grooves are cylindrical.
6. The hot-pressing dot light guide plate as claimed in claim 1, wherein the groove is prismatic.
7. The hot-pressed mesh point light guide plate according to claim 1, wherein the density of the mesh grooves increases gradually from the light incident side to the light emergent side opposite to the light incident side.
8. The hot-pressing dot light guide plate as claimed in claim 1, wherein the top of each of the three light emergent sides of the substrate is provided with a strip-shaped groove, and the three strip-shaped grooves are connected end to form a U-shaped structure.
9. The hot-pressing dot light guide plate as claimed in claim 1, wherein the substrate is made of a PC coil.
10. The hot-pressed dot light guide plate as claimed in claim 1, wherein the upper and lower surfaces of the substrate are further covered with a protective film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223053255.3U CN218585034U (en) | 2022-11-16 | 2022-11-16 | Hot-pressing mesh point light guide plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223053255.3U CN218585034U (en) | 2022-11-16 | 2022-11-16 | Hot-pressing mesh point light guide plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218585034U true CN218585034U (en) | 2023-03-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223053255.3U Active CN218585034U (en) | 2022-11-16 | 2022-11-16 | Hot-pressing mesh point light guide plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218585034U (en) |
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2022
- 2022-11-16 CN CN202223053255.3U patent/CN218585034U/en active Active
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