CN219642038U - Outdoor display screen - Google Patents
Outdoor display screen Download PDFInfo
- Publication number
- CN219642038U CN219642038U CN202223468510.0U CN202223468510U CN219642038U CN 219642038 U CN219642038 U CN 219642038U CN 202223468510 U CN202223468510 U CN 202223468510U CN 219642038 U CN219642038 U CN 219642038U
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- China
- Prior art keywords
- light guide
- guide plate
- liquid crystal
- reflective liquid
- crystal screen
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- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 45
- 239000011521 glass Substances 0.000 claims abstract description 24
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 21
- 239000011248 coating agent Substances 0.000 claims abstract description 6
- 238000000576 coating method Methods 0.000 claims abstract description 6
- 239000004568 cement Substances 0.000 claims abstract description 5
- 230000003287 optical effect Effects 0.000 claims abstract description 5
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 238000003475 lamination Methods 0.000 abstract description 3
- 238000004134 energy conservation Methods 0.000 description 4
- 238000003384 imaging method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Illuminated Signs And Luminous Advertising (AREA)
Abstract
The utility model belongs to the technical field of outdoor display equipment, and particularly relates to an outdoor display screen which comprises a reflective liquid crystal screen, a light guide plate and AG glass which are sequentially arranged, wherein an LED light source is arranged on one side of the light guide plate, or LED light sources are arranged on two opposite sides of the light guide plate, the reflective liquid crystal screen is fixedly arranged through OCA optical cement in a full-lamination mode with the light guide plate, a reflective coating is arranged on the surface, far away from the light guide plate, of the reflective liquid crystal screen, a plurality of concave pits inwards concave towards the reflective liquid crystal screen are formed on the surface, far away from the reflective liquid crystal screen, of the light guide plate, and the concave pits form light guide mesh points which are used for refracting light rays of the LED light sources to the reflective liquid crystal screen. The outdoor display screen can utilize the light of the LED light source, and also can utilize the light provided by external light such as sunlight, external light and the like, so that the effects of saving energy and reducing consumption are realized, and the outdoor display screen is energy-saving by about 60% compared with the existing outdoor display screen and has a good application market.
Description
Technical Field
The utility model belongs to the technical field of outdoor display equipment, and particularly relates to an outdoor display screen.
Background
With the continuous development of display screen technology, the appearance of outdoor display screens becomes an epoch-making product of information transmission. If bus stop, highway, outside the building etc. make outside the user display screen make bill-board, sign etc. but current outdoor display screen includes the light emitting module and sets up in the display screen module of light emitting module front side, the display screen module demonstration image must need the light emitting module provide the light source, consequently in order to clearly show the image, all need the light emitting module work daytime and night, increase by a wide margin the cost to and cause the energy extravagant.
Disclosure of Invention
The utility model provides an outdoor display screen, which aims to solve the problems that in the prior art, a light-emitting module is required to work in the daytime and at night, the cost is greatly increased and energy waste is caused.
In order to solve the technical problems, the outdoor display screen comprises a reflective liquid crystal screen, a light guide plate and AG glass, wherein the reflective liquid crystal screen, the light guide plate and the AG glass are sequentially arranged, one side of the light guide plate is provided with an LED light source, or the two opposite sides of the light guide plate are respectively provided with an LED light source, the reflective liquid crystal screen is fixedly arranged in a full-lamination mode through OCA optical cement and the light guide plate, a reflective coating is arranged on the surface, far away from the light guide plate, of the reflective liquid crystal screen, a plurality of concave pits inwards concave towards the reflective liquid crystal screen are formed on the surface, far away from the reflective liquid crystal screen, of the light guide plate, and the concave pits form light guide net points used for refracting light rays of the LED light sources to the reflective liquid crystal screen.
Preferably, the pits are circular. The light guide net point is ensured to refract the light of the LED light source to the high refractive efficiency of the reflective liquid crystal screen, and the circular pits are convenient to process and manufacture.
Further, the coverage rate of the light guide dots gradually increases in a direction away from the LED light source. The LED light source has the advantages that the refraction light close to the LED light source is effectively prevented from being brighter, the refraction light far away from the LED light source is darker, the uniformity of the light is ensured, and the partial darkness or the overbrightness is effectively avoided.
Further, the diameters of the pits gradually increase along the direction away from the LED light source; or the sizes of the pits are the same, and the density of the pits gradually increases along with the direction away from the LED light source. The refraction light near the LED light source is effectively prevented from being brighter, the refraction light far away from the LED light source is prevented from being darker, and the pit is convenient to process and manufacture.
Further, the diameter of the pit ranges from 0.03mm to 0.045mm; the depth of the pit ranges from 0.007mm to 0.008mm. The light guide net point is ensured to refract the light of the LED light source to the high refraction efficiency of the reflective liquid crystal screen.
Preferably, the light guide plate is made of glass; the peripheral edges of the light guide plate are fixed with the peripheral edge frame of AG glass through glue. Ensure that light guide plate and AG glass connect firmly, connected mode is simple, and the cost is lower, and sealed effectual, effectively isolated dust, steam etc. ensure this outdoor display screen clear imaging effect.
The beneficial effects are that: according to the outdoor display screen, the light guide plate is arranged in front of the reflective liquid crystal screen, the surface, far away from the light guide plate, of the reflective liquid crystal screen is provided with the reflective coating, the surface, far away from the reflective liquid crystal screen, of the light guide plate is provided with a plurality of concave pits which are concave towards the reflective liquid crystal screen, the concave pits form a light guide net point to refract light rays of the LED light source to the reflective liquid crystal screen, and reverse light supplementing is skillfully realized; when the light source is in dark environments such as night and cloudy days, the LED light source is lightened, the light of the LED light source is refracted to the reflective liquid crystal screen through the light guide lattice points of the light guide plate, and then is reflected by the reflective liquid crystal screen and sequentially emitted through the light guide plate and AG glass, and the image of the reflective liquid crystal screen can be clearly seen from the light emitting surface of the AG glass; when the outdoor display screen is in an environment with brighter light such as sunlight and external light, the LED light source can be turned off, the existing sunlight and external light are sequentially irradiated to the reflective liquid crystal screen from the AG glass and the light guide plate, and then reflected by the reflective liquid crystal screen and sequentially emitted out of the light guide plate and the AG glass, so that the image of the reflective liquid crystal screen can be clearly seen from the light emitting surface of the AG glass, namely, the outdoor display screen can utilize the light of the LED light source of the outdoor display screen, and also can utilize the light of the external light such as the light provided by the sunlight and the external light, thereby realizing the effects of energy conservation and consumption reduction, and the actual measurement is about 60 percent of energy conservation compared with the existing outdoor display screen, and the outdoor display screen has good application market; when the outdoor display screen is in an environment with brighter light such as sunlight and external light, the LED light source can be lightened, so that the brightness and imaging definition of the outdoor display screen are greatly increased, and better advertising, indication or marking effects are achieved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the internal structure of an outdoor display screen of the present utility model;
in the figure: 1. 2, a light guide plate, 21, light guide lattice points, 211, pits, 3, AG glass, 4, an LED light source, 5, OCA optical cement, 6 and a reflective coating.
Detailed Description
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. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. 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.
Examples
As shown in fig. 1, an outdoor display screen comprises a reflective liquid crystal screen 1, a light guide plate 2 and AG glass 3 which are sequentially arranged, wherein an LED light source 4 is arranged on one side of the light guide plate 2, or LED light sources 4 are arranged on two opposite sides of the light guide plate 2, namely side-in light sources, the reflective liquid crystal screen 1 is fixedly arranged through OCA optical cement 5 and the light guide plate 2 in a full-lamination manner, a reflective coating 6 is arranged on the surface, far away from the light guide plate 2, of the reflective liquid crystal screen 1, a plurality of concave pits 211 inwards concave to the reflective liquid crystal screen 1 are formed on the surface, far away from the reflective liquid crystal screen 1, of the light guide plate 2, a plurality of concave pits 211 form light guide mesh points 21, and the light guide mesh points 21 are used for refracting light rays of the LED light sources 4 to the reflective liquid crystal screen 1.
In order to ensure that the light guide dots 21 refract the light of the LED light source 4 to the reflective liquid crystal screen 1 with high refraction efficiency and uniformity of the light, so as to effectively avoid partial darkness or brightness and facilitate processing and manufacturing of the light guide dots 21, in this embodiment, the pits 211 are circular, and the diameter of the pits 211 ranges from 0.03mm to 0.045mm; the depth of the pit 211 is in the range of 0.007mm to 0.008mm; the coverage rate of the light guide mesh points 21 gradually increases towards the direction away from the LED light source 4; specifically, the diameter of the plurality of the concave pits 211 gradually increases with the direction away from the LED light source 4; alternatively, the size of the plurality of pits 211 is the same, and the density of the pits 211 gradually increases with the distance from the LED light source 4.
In order to ensure an excellent light guiding effect of the light guiding plate 2, in this embodiment, the material of the light guiding plate 2 is a glass material; the edge of the light guide plate 2 is fixed with the edge frame of the AG glass 3 through glue, so that the light guide plate 2 and the AG glass 3 are firmly connected, the connection mode is simple, the cost is low, the sealing effect is good, dust, water vapor and the like are effectively isolated, and the clear imaging effect of the outdoor display screen is ensured.
The working principle of the outdoor display screen is as follows:
when the light source is in dark environments such as night and cloudy days, the LED light source 4 is lightened, the light of the LED light source 4 is refracted to the reflective liquid crystal screen 1 through the light guide mesh points 21 of the light guide plate 2, and then is reflected by the reflective liquid crystal screen 1 and sequentially emitted through the light guide plate 2 and the AG glass 3, and the image of the reflective liquid crystal screen 1 can be clearly seen from the light emitting surface of the AG glass 3;
when the outdoor display screen is in an environment with brighter light such as sunlight and external light, the LED light source 4 can be turned off, the existing sunlight and external light are sequentially irradiated to the reflective liquid crystal screen 1 from the AG glass 3 and the light guide plate 2, and then are reflected by the reflective liquid crystal screen 1 and sequentially emitted out of the light guide plate 2 and the AG glass 3, and the image of the reflective liquid crystal screen 1 can be clearly seen from the light emitting surface of the AG glass 3, namely, the outdoor display screen can utilize the light of the LED light source 4 of the outdoor display screen, and also can utilize the external light such as the light provided by sunlight and external light, so that the effects of energy conservation and consumption reduction are realized, and compared with the existing outdoor display screen, the actual measurement is about 60 percent of energy conservation, and the outdoor display screen has good application market;
when the outdoor display screen is in an environment with brighter light such as sunlight and external light, the LED light source 4 can be lightened, so that the brightness and imaging definition of the outdoor display screen are greatly increased, and better advertising, indication or marking effects are achieved.
The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed within the scope of the present utility model.
Claims (4)
1. An outdoor display screen, its characterized in that: the light guide plate comprises a reflective liquid crystal screen (1), a light guide plate (2) and AG glass (3) which are sequentially arranged, wherein an LED light source (4) is arranged on one side of the light guide plate (2), or LED light sources (4) are arranged on two opposite sides of the light guide plate (2), the reflective liquid crystal screen (1) is fixedly arranged in a full-fit mode with the light guide plate (2) through OCA optical cement (5), a reflective coating (6) is arranged on the surface, far away from the light guide plate (2), of the reflective liquid crystal screen (1), a plurality of concave pits (211) which are concave towards the reflective liquid crystal screen (1) are formed on the surface, far away from the reflective liquid crystal screen (1), a plurality of concave pits (211) form light guide mesh points (21), and the light guide mesh points (21) are used for refracting light rays of the LED light source (4) to the reflective liquid crystal screen (1).
The pit (211) is circular; the diameter range of the pit (211) is 0.03 mm-0.045 mm; the depth range of the pit (211) is 0.0070 mm-0.008 mm; the light guide plate (2) is made of glass.
2. An outdoor display screen according to claim 1, wherein: the coverage rate of the light guide mesh points (21) gradually increases towards the direction away from the LED light source (4).
3. An outdoor display screen according to claim 2, wherein: the diameter of the plurality of pits (211) gradually increases along the direction away from the LED light source (4); alternatively, the size of the plurality of pits (211) is the same, and the density of the pits (211) gradually increases along the direction away from the LED light source (4).
4. An outdoor display screen according to claim 1, wherein: the peripheral edge of the light guide plate (2) is fixed with the peripheral edge frame of the AG glass (3) through glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223468510.0U CN219642038U (en) | 2022-12-23 | 2022-12-23 | Outdoor display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223468510.0U CN219642038U (en) | 2022-12-23 | 2022-12-23 | Outdoor display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219642038U true CN219642038U (en) | 2023-09-05 |
Family
ID=87814786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223468510.0U Active CN219642038U (en) | 2022-12-23 | 2022-12-23 | Outdoor display screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219642038U (en) |
-
2022
- 2022-12-23 CN CN202223468510.0U patent/CN219642038U/en active Active
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