CN221175028U - Light guide plate capable of preventing bright edge - Google Patents
Light guide plate capable of preventing bright edge Download PDFInfo
- Publication number
- CN221175028U CN221175028U CN202323376269.3U CN202323376269U CN221175028U CN 221175028 U CN221175028 U CN 221175028U CN 202323376269 U CN202323376269 U CN 202323376269U CN 221175028 U CN221175028 U CN 221175028U
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- Prior art keywords
- light guide
- guide plate
- layer
- film layer
- groove
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- 239000011248 coating agent Substances 0.000 claims abstract description 13
- 238000000576 coating method Methods 0.000 claims abstract description 13
- 239000000758 substrate Substances 0.000 claims abstract description 10
- 239000004698 Polyethylene Substances 0.000 claims description 22
- -1 polyethylene Polymers 0.000 claims description 22
- 229920000573 polyethylene Polymers 0.000 claims description 22
- 229920006267 polyester film Polymers 0.000 claims description 16
- 229920006289 polycarbonate film Polymers 0.000 claims description 14
- 239000002245 particle Substances 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 235000009537 plain noodles Nutrition 0.000 claims 4
- 230000003287 optical effect Effects 0.000 description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000006004 Quartz sand Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000010147 laser engraving Methods 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Light Guides In General And Applications Therefor (AREA)
Abstract
The utility model discloses a light guide plate capable of preventing bright edges, which relates to the technical field of light guide plates and comprises a light guide plate body, wherein the light guide plate body comprises a light inlet surface, a light outlet surface and a reflecting surface, the light guide plate body also comprises two opposite first splicing surfaces and second splicing surfaces, the surface wall of the first splicing surface is provided with a through groove, and a concave groove is formed between the through groove and a through hole; the second splicing surface is provided with a positioning groove, a bulge is formed between the positioning groove and the second splicing surface, and the bulge is matched with the concave groove; the light guide plate body comprises a substrate layer and a light guide layer, and a hardening coating is adhered to the upper surface of the light guide layer; according to the utility model, the concave groove of one light guide plate is matched with the convex of the other light guide plate, so that the two light guide plates are spliced to form the light guide plate with larger size, and the light guide plate is suitable for a display device with larger size. The light guide plate body is provided with the hardening coating of the transparent IMD film, so that the light guide plate has good wear resistance.
Description
Technical Field
The utility model relates to the technical field of light guide plates, in particular to a light guide plate capable of preventing bright edges.
Background
The light guide plate is made of an optical acrylic/PC plate, then a high-tech material with extremely high reflectivity and light absorption is used, light guide points are printed on the bottom surface of the optical acrylic plate by using laser engraving, V-shaped cross grid engraving and UV screen printing technologies, the optical acrylic plate is used for absorbing the light emitted from the lamp to stay on the surface of the optical acrylic plate, when the light is emitted to each light guide point, the reflected light can spread towards all angles, then the reflection condition is destroyed, 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, and the light guide plate is generally used in places such as advertisement placement, car lighting, special cosmetics cabinets, market floor lamps, mobile phone shops and the like, and can display advertisement, propaganda similar optical patterns, characters and the like through specific advertisement paper. However, these display devices are large in size, but the size of the existing light guide plate is limited, so that the display devices cannot be matched with the display devices with large sizes, and the use of the display devices is affected. In addition, the existing light guide plate has poor wear resistance, and the service life of the light guide plate is reduced.
Disclosure of Invention
In order to solve the problems in the prior art, the utility model provides a light guide plate with bright edges, which comprises a light guide plate body, wherein the light guide plate body comprises a light incident surface, a light emergent surface perpendicular to the light incident surface and a reflecting surface opposite to the light emergent surface;
The light guide plate body also comprises two opposite first splicing surfaces and second splicing surfaces,
The light guide plate comprises a light guide plate body, a first splicing surface and a second splicing surface, wherein the surface wall of the first splicing surface is provided with a through groove, a through hole is formed in one side surface of the light guide plate body, the through hole penetrates through the first splicing surface up and down, the through groove extends into the through hole and is communicated with the through hole, and a concave groove is formed between the through groove and the through hole;
The second splicing surface is provided with a positioning groove, a bulge is formed between the positioning groove and the second splicing surface, and the bulge is matched with the concave groove;
The light guide plate body comprises a substrate layer and a light guide layer, wherein the light guide layer is adhered above the substrate layer, and a hardening coating is adhered on the upper surface of the light guide layer; the bottom of the substrate layer is adhered with a reflective film layer, and the lower surface of the reflective film layer is provided with a plurality of semicircular reflective grooves;
The upper surface of the hardening coating is adhered with a high temperature resistant layer, and the upper surface of the high temperature resistant layer is adhered with a heat insulating layer.
The waterproof layer is adhered to the inner surface of the concave groove.
The further scheme is that the inner groove surface of the reflecting groove is provided with a plurality of light reflecting particles.
The further scheme is that the high temperature resistant layer comprises a polyester film layer, a polyethylene film layer and a polycarbonate film layer, wherein the polyester film layer is positioned at the top of the polyethylene film layer, the polyester film layer is connected with the polyethylene film layer through photosensitive adhesive, the polyethylene film layer is positioned at the top of the polycarbonate film layer, and the polyethylene film layer is connected with the polycarbonate film layer through photosensitive adhesive.
The outer surface of one side opposite to the light incident surface of the light guide plate body is sprayed with a black shading layer.
According to the utility model, the first splicing surface and the second splicing surface are arranged on the light guide plate, the concave groove is arranged on the first splicing surface, the bulge is arranged on the second splicing surface, and the concave groove of one light guide plate is matched with the bulge of the other light guide plate, so that the two light guide plates are spliced to form the light guide plate with larger size, and the light guide plate is suitable for use of a display device with larger size.
According to the utility model, the light guide plate body is provided with the hardening coating of the transparent IMD film, so that the light guide plate has good wear resistance. And a high temperature resistant layer is arranged on the hardening coating, so that the light guide plate has good heat resistant effect.
Drawings
Fig. 1 is a schematic view of a three-dimensional structure of a light guide plate according to an embodiment of the present utility model;
fig. 2 is a schematic structural diagram of two spliced light guide plates according to an embodiment of the present utility model;
fig. 3 is a schematic diagram of a front view of a light guide plate according to an embodiment of the present utility model;
fig. 4 is a schematic diagram of a front view structure of an inside of a light guide plate according to an embodiment of the present utility model;
Fig. 5 is a schematic structural diagram of a high temperature resistant layer according to an embodiment of the present utility model;
The drawings are marked: 1-a light guide plate body; 10-a substrate layer; 11-a light guiding layer; 12-hardening the coating; 13-a reflective film layer; 130-a light reflecting groove; 14-a high temperature resistant layer; 140-a polyester film layer; 141-a polyethylene film layer; 142-polycarbonate film layer; 15-a heat insulation layer; 20-a light incident surface; 21-a light-emitting surface; 22-a reflective surface; 23-a first splicing surface; 230-through groove; 24-a second splicing surface; 240-positioning grooves; 241-protrusions; 25-through holes; 3-concave grooves; 4-a light shielding layer.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
As shown in fig. 1-5, an embodiment of the present utility model discloses a light guide plate with bright edges prevention, which comprises a light guide plate body 1, wherein the light guide plate body 1 comprises a light incident surface 20, a light emergent surface 21 perpendicular to the light incident surface 20, and a reflecting surface 22 opposite to the light emergent surface 21; the light guide plate body 1 comprises a substrate layer 10 and a light guide layer 11, wherein the light guide layer 11 is adhered above the substrate layer 10, and a hardening coating 12 is adhered on the upper surface of the light guide layer 11; the rigidifying coating 12 is a transparent IMD film layer. A reflective film layer 13 is adhered to the bottom of the base material layer 10.
The light guide plate of the embodiment is provided with the hardening coating of the transparent IMD film, so that the light guide plate has good wear resistance.
The light source is disposed on the light incident surface side of the light guide plate body. The light incident surface of the light guide plate body is used for receiving light rays emitted by the light source and guiding the received light rays into the light guide plate body; the light-emitting surface of the light guide plate body is used for guiding out light rays entering the light guide plate body through the light-emitting surface; the reflecting surface of the light guide plate body is used for reflecting the light entering the light guide plate body to the light emitting surface for guiding.
The light guide plate body 1 further comprises two opposite first and second splicing surfaces 23 and 24,
The wall of the first splicing surface 23 is provided with a through groove 230, one side surface of the light guide plate body 1 is provided with a through hole 25, the through hole 25 vertically penetrates through the first splicing surface 23, the through groove 230 extends into the through hole 25 and is communicated with the through hole 25, and a concave groove 3 is formed between the through groove 230 and the through hole 25;
The second splicing surface 24 is provided with a positioning groove 240, a protrusion 241 is formed between the positioning groove 240 and the second splicing surface 24, and the protrusion 241 is matched with the concave groove 3;
The light guide plate of the embodiment with the same structure can be spliced to form the light guide plate with the required size through the arrangement. Specific operations are (taking the splicing of two light guide plates as an example): the first light guide plate and the second light guide plate with the structures are placed on the horizontal supporting surface, and the second splicing surface of the first light guide plate and the first splicing surface of the second light guide plate are placed oppositely. And then embedding the bulges of the second splicing surface of the first light guide plate into the concave grooves of the second light guide plate to splice the first light guide plate and the second light guide plate. And then the first light guide plate and the second light guide plate are spliced to form a light guide plate with a larger size so as to adapt to the use of a display device with a larger size.
Further, the upper surface of the hardening coating 12 is adhered with a high temperature resistant layer 14, the high temperature resistant layer 14 includes a polyester film layer 140, a polyethylene film layer 141 and a polycarbonate film layer 142, the polyester film layer 140 is located at the top of the polyethylene film layer 141, the polyester film layer 140 and the polyethylene film layer 141 are connected by photosensitive glue, the polyethylene film layer 141 is located at the top of the polycarbonate film layer 142, and the polyethylene film layer 141 and the polycarbonate film layer 142 are connected by photosensitive glue.
The polyester film layer of this example has extremely high tensile strength, high rigidity, impact resistance, high and low temperature resistance, and transparency. The polyethylene film layer of the embodiment has good heat resistance, wear resistance and chemical resistance, and also has good impact strength and electrical insulation property. The polycarbonate film layer of the embodiment has the advantages of colorless transparency, heat resistance, impact resistance, high refractive index and good processability.
The light guide plate of the embodiment can have good heat-resistant effect while ensuring structural strength through the arrangement. Solves the problems that the prior light guide plate has poor heat resistance, so that the light guide plate can be softened and the hardness is reduced when being used in an environment with overhigh temperature, thereby influencing the use of the light guide plate.
Further, the upper surface of the high temperature resistant layer 14 is bonded with a heat insulating layer 15.
It should be noted that, the heat insulating layer 15 in this embodiment is a PET polyester film, and the heat insulating layer of the PET polyester film is provided in this embodiment, so that the light guide plate in this embodiment has good heat insulating performance and high temperature resistance.
In this embodiment, a waterproof layer is adhered to the inner surface of the concave groove 3.
According to the embodiment, the waterproof layer is arranged on the inner surface of the concave groove, so that water penetration can be avoided, and the joint of the two light guide plates is spliced, and the use of the light guide plates is affected.
The lower surface of the reflective film layer 13 is provided with a plurality of semicircular reflective grooves 130; the inner groove surface of the reflective groove 130 is provided with a plurality of light reflecting particles. The light reflecting particles are arranged as quartz sand reflecting particles.
According to the embodiment, the light-emitting effect with good uniformity can be formed by arranging the light-reflecting grooves; and a plurality of light reflection particles are arranged on the inner groove surface of the light reflection groove, so that the uniformity of light emission can be further improved.
In this embodiment, the high temperature resistant layer 14 includes a polyester film layer 140, a polyethylene film layer 141 and a polycarbonate film layer 142, the polyester film layer 140 is located on top of the polyethylene film layer 141, the polyester film layer 140 and the polyethylene film layer 141 are connected by photosensitive glue, the polyethylene film layer 141 is located on top of the polycarbonate film layer 142, and the polyethylene film layer 141 and the polycarbonate film layer 142 are connected by photosensitive glue.
In this embodiment, a black light shielding layer 4 is sprayed on the outer surface of the side opposite to the light incident surface 20 of the light guide plate body 1.
According to the embodiment, through the arrangement, the light entering the light guide plate body can be absorbed by the black shading layer, so that the light intensity is weakened, the weakened light is conducted to the edge of the area of the display device through the light emitting surface of the light guide plate, and the phenomenon of bright lines and bright edges of the VA area edge of the formal backlight angle and the large visual angle (the range of more than 45 degrees to 75 degrees) can be effectively improved.
Finally, only specific embodiments of the present utility model have been described in detail above. The utility model is not limited to the specific embodiments described above. Equivalent modifications and substitutions of the utility model will occur to those skilled in the art, and are intended to be within the scope of the present utility model. Accordingly, equivalent changes and modifications are intended to be included within the scope of the present utility model without departing from the spirit and scope thereof.
Claims (5)
1. The utility model provides a prevent light guide plate of bright border, includes light guide plate body (1), light guide plate body (1) include one go into plain noodles (20), with go into plain noodles (20) vertically a play plain noodles (21) and with a reflecting surface (22) that goes out plain noodles (21) are relative, its characterized in that:
The light guide plate body (1) also comprises two opposite first splicing surfaces (23) and second splicing surfaces (24),
A through groove (230) is formed in the surface wall of the first splicing surface (23), a through hole (25) is formed in one side surface of the light guide plate body (1), the through hole (25) penetrates through the first splicing surface (23) up and down, the through groove (230) extends into the through hole (25) and is communicated with the through hole (25), and a concave groove (3) is formed between the through groove (230) and the through hole (25);
The second splicing surface (24) is provided with a positioning groove (240), a protrusion (241) is formed between the positioning groove (240) and the second splicing surface (24), and the protrusion (241) is matched with the concave groove (3);
the light guide plate body (1) comprises a substrate layer (10) and a light guide layer (11), wherein the light guide layer (11) is adhered above the substrate layer (10), and a hardening coating (12) is adhered on the upper surface of the light guide layer (11); the bottom of the substrate layer (10) is adhered with a reflective film layer (13), and a plurality of semicircular reflective grooves (130) are formed in the lower surface of the reflective film layer (13);
The upper surface of the hardening coating (12) is adhered with a high temperature resistant layer (14), and the upper surface of the high temperature resistant layer (14) is adhered with a heat insulating layer (15).
2. The light guide plate for preventing bright wisdom of claim 1, wherein:
the inner surface of the concave groove (3) is adhered with a waterproof layer.
3. The light guide plate for preventing bright wisdom of claim 1, wherein:
The inner groove surface of the reflecting groove (130) is provided with a plurality of light reflecting particles.
4. The light guide plate for preventing bright wisdom of claim 1, wherein:
The high temperature resistant layer (14) comprises a polyester film layer (140), a polyethylene film layer (141) and a polycarbonate film layer (142), wherein the polyester film layer (140) is positioned at the top of the polyethylene film layer (141), the polyester film layer (140) and the polyethylene film layer (141) are connected through photosensitive adhesive, the polyethylene film layer (141) is positioned at the top of the polycarbonate film layer (142), and the polyethylene film layer (141) and the polycarbonate film layer (142) are connected through photosensitive adhesive.
5. The light guide plate for preventing bright wisdom of claim 1, wherein:
A black shading layer (4) is sprayed on the outer surface of one side opposite to the light incident surface (20) of the light guide plate body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323376269.3U CN221175028U (en) | 2023-12-12 | 2023-12-12 | Light guide plate capable of preventing bright edge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323376269.3U CN221175028U (en) | 2023-12-12 | 2023-12-12 | Light guide plate capable of preventing bright edge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221175028U true CN221175028U (en) | 2024-06-18 |
Family
ID=91538238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323376269.3U Active CN221175028U (en) | 2023-12-12 | 2023-12-12 | Light guide plate capable of preventing bright edge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221175028U (en) |
-
2023
- 2023-12-12 CN CN202323376269.3U patent/CN221175028U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |