CN220671677U - Light guide plate with high and uniform light efficiency - Google Patents
Light guide plate with high and uniform light efficiency Download PDFInfo
- Publication number
- CN220671677U CN220671677U CN202322392621.6U CN202322392621U CN220671677U CN 220671677 U CN220671677 U CN 220671677U CN 202322392621 U CN202322392621 U CN 202322392621U CN 220671677 U CN220671677 U CN 220671677U
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- Prior art keywords
- light guide
- guide plate
- layer
- light
- substrate layer
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- 239000000758 substrate Substances 0.000 claims abstract description 28
- 239000011521 glass Substances 0.000 claims abstract description 18
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 238000009792 diffusion process Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 230000004313 glare Effects 0.000 abstract description 2
- 238000005286 illumination Methods 0.000 abstract description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010147 laser engraving Methods 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
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- Planar Illumination Modules (AREA)
Abstract
The utility model relates to the technical field of light guide plates, in particular to a light guide plate with uniform high light efficiency, which comprises a frame, corner code kits, a light guide plate main body and a base, wherein the frame is arranged on the upper side and the left side and the right side of the light guide plate main body, the base is arranged on the lower side of the light guide plate main body, four corners of the light guide plate main body are connected through the corner code kits, the light guide plate main body comprises a diffusion plate, a glass substrate layer, a reflecting layer and a shading layer, the shading layer is arranged at the innermost part, the reflecting layer is arranged at the outer side of the shading layer, the glass substrate layer is arranged at the outer side of the reflecting layer, and the diffusion plate is arranged at the outer side of the glass substrate layer. The utility model adopts the multi-layer light guide plate to uniformly distribute the light rays to the whole panel, avoids hot spots or bright spots generated by a light source, ensures more uniform illumination or display effect and reduces glare and shadow; the light guide plate can improve the light utilization rate, reduce the energy consumption, and is more energy-saving and environment-friendly; the frame is adopted to protect the light guide plate from being damaged during transportation, so that the use safety of the light guide plate is improved.
Description
[ field of technology ]
The utility model relates to the technical field of light guide plates, in particular to a light guide plate with high and uniform light efficiency.
[ background Art ]
The light guide plate is made of an optical acrylic/PC plate, and then a high-tech material with extremely high refractive index and no light absorption is used for printing light guide points on the bottom surface of the optical acrylic plate by using laser engraving, V-shaped cross grid engraving and UV screen printing technologies. The light emitted from the lamp is absorbed by the optical acrylic plate and stays on the surface of the optical acrylic plate, when the light rays are emitted to each light guide point, the reflected light can be diffused towards each angle, and then the reflection condition is destroyed and 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 prior high light efficiency light guide plate has publication number CN114910992A, and comprises a light guide part, wherein the two opposite sides of the light guide part are respectively provided with a light inlet part and a light outlet part; the light inlet part comprises a plurality of protruding units arranged on the light guide part, and a light transmission area for light beams to enter is arranged between the adjacent protruding units; the light emitting part comprises a plurality of light guide units, a plurality of light guide unit arrays are arranged on the light guide part, and a plurality of light guide grooves are formed in each light guide unit. The light guide plate has the advantages that the light guide plate can adjust the direction of light beams, and the brightness enhancement performance of the light guide plate is improved.
However, there are the following improvements:
the high-light-efficiency light guide plate utilizes the optical acrylic plate to absorb the light emitted from the lamp to stay on the surface of the optical acrylic plate, when the light rays are emitted to each light guide point, the reflected light can be diffused towards each angle, and then the reflection condition is destroyed to be emitted from the front of the light guide plate, but the light guide plate has uneven light emission, and the film layer on the light guide plate is damaged in the process of using or carrying touching.
[ utility model ]
In order to overcome the defects in the prior art, the utility model aims to provide the light guide plate with high light efficiency and uniformity, wherein the diffusion plate is arranged on the outer side of the light guide plate main body to ensure that emitted light is uniform, and the frame is arranged on the outer side of the light guide plate, so that the integrity of the light guide plate can be protected during transportation, and the light guide plate is not easy to damage.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a light guide plate that high light efficiency is even, includes frame, angle sign indicating number external member, light guide plate main part, base, the frame be equipped with the base in the upside and the left and right sides of light guide plate main part, light guide plate main part downside, light guide plate main part four corners is connected through angle sign indicating number external member, the light guide plate main part include diffuser plate, glass substrate layer, reflector layer, shading layer, the shading layer establish at innermost, the shading layer outside be equipped with the reflector layer, the reflector layer outside be equipped with glass substrate layer, glass substrate layer outside be equipped with the diffuser plate.
Preferably, a groove is formed in the frame.
Preferably, the corner brace sleeve member is made of aluminum, and a groove into which the frame can be inserted is formed in the corner brace sleeve member.
Preferably, the glass substrate layer comprises a V-shaped prism, a substrate layer and a convex net surface, wherein the V-shaped prism is arranged on the outer side of the substrate layer, and the convex net surface is arranged on the inner side of the substrate layer.
Preferably, a plurality of convex units are arranged in the convex net surface.
Preferably, the base include LED banks, banks mount pad, convex slot, concave slot, base shell, the LED banks establish on the lamp stand mount pad, lamp stand mount pad outside be equipped with the convex slot, the convex slot outside be equipped with the concave slot, the concave slot outside is equipped with the base shell.
Preferably, the frame is clamped and fixed with the concave groove.
Compared with the prior art, the utility model has the beneficial effects that: the utility model adopts the multi-layer light guide plate to uniformly distribute the light rays to the whole panel, avoids hot spots or bright spots generated by a light source, ensures more uniform illumination or display effect and reduces glare and shadow; the light guide plate can improve the light utilization rate, reduce the energy consumption, and is more energy-saving and environment-friendly; the frame is adopted to protect the light guide plate from being damaged during transportation, so that the use safety of the light guide plate is improved.
[ description of the drawings ]
FIG. 1 is a front view of a light guide plate with high uniformity of light efficiency according to the present utility model;
FIG. 2 is a block diagram of a light guide plate with uniform light efficiency according to the present utility model;
FIG. 3 is a block diagram of a glass substrate layer of a light guide plate with high uniformity of light efficiency according to the present utility model;
FIG. 4 is a top view of a base structure of a light guide plate with uniform light efficiency according to the present utility model;
in the figure: 1-frame, 2-angle sign indicating number external member, 3-light guide plate main part, 31-diffuser plate, 32-glass substrate layer, 321-V-arrangement prism, 322-substrate layer, 323-convex net face, 33-reflector layer, 34-shading layer, 4-base, 41-LED banks, 42-banks mount pad, 43-convex groove, 44-concave groove, 45-base shell.
[ detailed description ] of the utility model
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, in an embodiment of the utility model, a light guide plate with uniform high light efficiency comprises a frame 1, a corner fitting 2, a light guide plate main body 3 and a base 4, wherein the frame 1 is arranged on the upper side and the left side and the right side of the light guide plate main body 3, a groove is arranged in the frame 1, the base 4 is arranged on the lower side of the light guide plate main body 3, four corners of the light guide plate main body 3 are connected through the corner fitting 2, the corner fitting 2 is made of aluminum materials, and the groove into which the frame 1 can be inserted is arranged in the corner fitting 2.
Referring to fig. 2, in the embodiment of the utility model, the light guide plate body 3 includes a diffusion plate 31, a glass substrate layer 32, a reflective layer 33, and a light shielding layer 34, wherein the light shielding layer 34 is disposed at the innermost portion, the reflective layer 33 is disposed at the outer side of the light shielding layer 34, the glass substrate layer 32 is disposed at the outer side of the reflective layer 33, and the diffusion plate 31 is disposed at the outer side of the glass substrate layer 32.
Referring to fig. 3, in an embodiment of the present utility model, a light guide plate with uniform high light efficiency is provided, the glass substrate layer 32 includes V-shaped prisms 321, a substrate layer 322, and a convex mesh 323, the V-shaped prisms 321 are disposed outside the substrate layer 322, and the convex mesh 323 is disposed inside the substrate layer 322.
Referring to fig. 4, in the embodiment of the utility model, the base 4 includes an LED lamp set 41, a lamp set mounting seat 42, a convex groove 43, a concave groove 44, and a base housing 45, wherein the LED lamp set 41 is disposed on the lamp holder mounting seat 42, the lamp holder mounting seat 42 is externally provided with the convex groove 43, the convex groove 43 is externally provided with the concave groove 44, and the concave groove is externally provided with the base housing 45.
When the LED lamp set 41 is started through a circuit, light passes through the V-shaped prism 321 of the glass substrate layer 32, the V-shaped groove of the V-shaped prism 321 enables the light emergent surface of the light guide plate to have high brightness, excellent uniformity and visibility, material cost is saved, the reflection area is larger, and the light emergent rate is higher due to the convex net surface 323; the frame 1 and the corner brace sleeve member 2 are assembled and attached once, so that the light guide plate is protected from being damaged, and the transportation and the use of the light guide plate are facilitated; the base 4 is provided with the concave groove 44 and the convex groove 43, so that the base 4 is conveniently fixed on the lower side of the light guide plate main body 3, the LED lamp group 41 is protected through the base shell 45, and the LED lamp group is safer and more reliable in use.
The above embodiments are illustrative of the present utility model, and not limiting, and any simple modifications of the present utility model fall within the scope of the present utility model.
Claims (7)
1. The utility model provides a high even light guide plate of light efficiency, includes frame (1), angle sign indicating number external member (2), light guide plate main part (3), base (4), its characterized in that: the frame (1) establish in the upside and the left and right sides of light guide plate main part (3), light guide plate main part (3) downside be equipped with base (4), light guide plate main part (3) four corners are connected through angle sign indicating number external member (2), light guide plate main part (3) include diffuser plate (31), glass substrate layer (32), reflector layer (33), shading layer (34) establish at innermost, shading layer (34) outside be equipped with reflector layer (33), reflector layer (33) outside be equipped with glass substrate layer (32), glass substrate layer (32) outside be equipped with diffuser plate (31).
2. A high light efficiency uniform light guide plate according to claim 1 and wherein: the frame (1) is internally provided with a groove.
3. A high light efficiency uniform light guide plate according to claim 1 and wherein: the corner brace external member (2) is made of aluminum, and a groove into which the frame (1) can be inserted is formed in the corner brace external member (2).
4. A high light efficiency uniform light guide plate according to claim 1 and wherein: the glass substrate layer (32) comprises a V-shaped prism (321), a substrate layer (322) and a convex net surface (323), wherein the V-shaped prism (321) is arranged on the outer side of the substrate layer (322), and the convex net surface (323) is arranged on the inner side of the substrate layer (322).
5. The light guide plate of claim 4, wherein the light guide plate has a uniform light efficiency, and further comprises: a plurality of convex units are arranged in the convex net surface (323).
6. A high light efficiency uniform light guide plate according to claim 1 and wherein: the base (4) include LED banks (41), banks mount pad (42), convex groove (43), concave groove (44), base shell (45), LED banks (41) establish on lamp stand mount pad (42), lamp stand mount pad (42) outside be equipped with convex groove (43), convex groove (43) outside be equipped with concave groove (44), the concave groove outside is equipped with base shell (45).
7. A high light efficiency uniform light guide plate according to claim 1 and wherein: the frame (1) is clamped and fixed with the concave groove (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322392621.6U CN220671677U (en) | 2023-09-04 | 2023-09-04 | Light guide plate with high and uniform light efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322392621.6U CN220671677U (en) | 2023-09-04 | 2023-09-04 | Light guide plate with high and uniform light efficiency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220671677U true CN220671677U (en) | 2024-03-26 |
Family
ID=90330859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322392621.6U Active CN220671677U (en) | 2023-09-04 | 2023-09-04 | Light guide plate with high and uniform light efficiency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220671677U (en) |
-
2023
- 2023-09-04 CN CN202322392621.6U patent/CN220671677U/en active Active
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| GR01 | Patent grant |