CN218153680U

CN218153680U - Crescent light display device

Info

Publication number: CN218153680U
Application number: CN202221624747.0U
Authority: CN
Inventors: 谢永欣
Original assignee: Huizhou Gaoshengda Technology Co Ltd
Current assignee: Huizhou Gaoshengda Technology Co Ltd
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2022-12-27
Anticipated expiration: 2032-06-27

Abstract

The utility model relates to a lighting device field discloses a crescent light display device, including top cap, end box, PCB board, shading support, three-color lamp and diffusion barrier, the top cap is connected with end box and is formed the holding chamber, and PCB board, shading support and three-color lamp all set up in the holding intracavity, and the shading support sets up on the PCB board, and the three-color lamp sets up in the shading support, and the three-color lamp is connected with PCB board electricity, and the diffusion barrier sets up on the top cap, and the diffusion barrier is provided with crescent light-permeable zone. The utility model discloses simple structure is small and exquisite, and it is very little to account for the space, has that light shows evenly and luminance is enough but controllable characteristics again.

Description

Crescent light display device

Technical Field

The utility model relates to a lighting device field especially relates to a crescent light display device.

Background

Along with the provision of the quality of life of people, the beauty is constantly changed. In the field of electronic digital products, the application of light design is more and more extensive, the light design is well applied, the visual impression can be enhanced, and the product quality is improved. However, the existing electronic digital product has no well designed lighting structure, so that the lighting display of the product is uneven and the brightness is inconsistent, but the overall appearance of the product is greatly reduced, and the quality of the product is not improved or reduced. The light display effect of the product, the structural design is the key, for example, the layout, refraction angle, reflection angle of the LED lamp, material selection of the plastic shell, design of the shading bracket, reasonable selection and application of the light-diffusing sheet and the like all affect the light effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the weak point among the prior art, providing a crescent light display device, simple structure is small and exquisite, and it is very little to account for the space, has that light shows evenly and luminance is enough controllable characteristics again.

The purpose of the utility model is realized through the following technical scheme:

the utility model provides a crescent light display device, includes top cap, end box, PCB board, shading support, three-color lamp and diffusion barrier, the top cap with end box connects and forms the holding chamber, the PCB board the shading support with the three-color lamp all set up in the holding intracavity, the shading support set up in on the PCB board, the three-color lamp set up in the shading support, the three-color lamp with PCB board electricity is connected, the diffusion barrier set up in on the top cap, the diffusion barrier is provided with crescent light-transmitting zone.

In one embodiment, the surface of the top cover comprises a first shading area and a first light-transmitting area, the first shading area is covered with etched grains, the diffusion film is attached in the first light-transmitting area, and the first light-transmitting area is provided with an attaching straight edge.

In one embodiment, the top cover is an ABS758 material.

In one embodiment, a shading ring is arranged on the surface of the PCB, a white oil layer covers the shading ring, and the shading bracket is arranged at the position of the shading ring.

In one embodiment, the shading bracket is of a bell-mouthed structure with a small bottom and a large top, and the shading bracket and the PCB form an inclination angle of 98-108 degrees.

In one embodiment, the light shielding support is an ABS121 material.

In one of the implementation modes, the outer end of the shading support is provided with a clamping hook supporting leg and a positioning column, the PCB is provided with a first connecting hole and a second connecting hole, the clamping hook supporting leg is connected with the first connecting hole in a clamping mode, and the positioning column is connected with the second connecting hole in an inserting mode.

In one embodiment, the three-color lamp includes a first LED lamp, a second LED lamp and a third LED lamp, the first LED lamp and the third LED lamp are respectively disposed on two sides of the second LED lamp, the center of the second LED lamp is located on the central axis of the light-shielding bracket, the center of the second LED lamp is 22-28 mm away from the center of the light-shielding bracket, the center of the first LED lamp is 20-25 mm away from the center of the light-shielding bracket, an included angle formed by a connecting line between the center of the first LED lamp and the center of the light-shielding bracket and the central axis of the light-shielding bracket is 20-26 degrees, the center of the third LED lamp is 20-25 mm away from the center of the light-shielding bracket, and an included angle formed by a connecting line between the center of the third LED lamp and the center of the light-shielding bracket and the central axis of the light-shielding bracket is 20-26 degrees.

In one embodiment, the surface of the diffusion film comprises a second light-shading area and a second light-transmitting area, the second light-transmitting area is the crescent light-transmitting area, and the second light-shading area is covered with a black back glue layer.

In one embodiment, the diffusion membrane is a PC material.

Compared with the prior art, the utility model discloses at least, following advantage has:

the utility model starts the three-color lamp through the PCB, and the light emitted by the three-color lamp is projected to crescent (or called moon ring) light through the crescent light-transmitting area after the light passes through the shading bracket and the diffusion film; the three-color lamp is an RGB three-color lamp, and can automatically switch the four colors of red, green, blue and white at intervals by the automatic control of the PCB; the shading support can reflect light efficiently and also has a shading effect to prevent the light from being emitted to other areas; the diffusion film has a diffusion function, can reflect part of light back to the surface of the PCB, and the surface of the PCB reflects the light back to the crescent light-transmitting area of the diffusion film again, so that the utilization rate of a light source can be improved; the crescent light display device has the characteristics of uniform light display, enough and controllable brightness, simple and small structure, small occupied space, wide use scene and certain decoration, and is suitable for being placed on a desktop, a guest restaurant and the like.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a combination diagram of a crescent-shaped light display device according to an embodiment of the present invention.

Fig. 2 is an exploded view of a crescent-shaped light display device according to an embodiment of the present invention.

Fig. 3 is a structural diagram of a top cover of a crescent light display device according to an embodiment of the present invention.

Fig. 4 is a partial structure view of a crescent light display device according to an embodiment of the present invention.

Fig. 5 is a partial structure view of a crescent light display device according to another embodiment of the present invention.

Fig. 6 is a partial structure view of a crescent light display device according to still another embodiment of the present invention.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are illustrated in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

In an embodiment, referring to fig. 1 and 2, a crescent light display device 10 includes a top cover 110, a bottom case 120, a PCB 130, a light shielding bracket 140, a three-color lamp 150, and a diffusion film 160, where the top cover 110 is connected to the bottom case 120 to form an accommodating cavity, the PCB 130, the light shielding bracket 140, and the three-color lamp 150 are all disposed in the accommodating cavity, the light shielding bracket 140 is disposed on the PCB 130, the three-color lamp 150 is disposed in the light shielding bracket 140, the three-color lamp 150 is electrically connected to the PCB 130, the diffusion film 160 is disposed on the top cover 110, and the diffusion film 160 is provided with a crescent light-transmitting area 162.

It should be noted that, the three-color lamp 150 is started through the PCB 130, and light emitted by the three-color lamp 150 passes through the light-shielding support 140 and the diffusion film 160, and then projects crescent (or called crescent) light through the crescent light-transmitting area 162; the three-color lamp 150 is an RGB three-color lamp 150, and the four colors of red, green, blue and white can be automatically switched at intervals by the automatic control of the PCB 130; the light shielding bracket 140 can reflect light efficiently and shield light to prevent light from being emitted to other areas; the diffusion film 160 has a diffusion function, and can reflect part of light back to the surface of the PCB 130, and the surface of the PCB 130 reflects the light back to the crescent-shaped light-transmitting area 162 of the diffusion film 160 again, so that the utilization rate of a light source can be improved; the crescent-shaped light display device 10 has the characteristics of uniform light display, enough and controllable brightness, simple and small structure, small occupied space, wide use scene and certain decoration, and is suitable for being placed on a desktop, a passenger restaurant and the like.

Further, the top cover 110 is made of black ABS758 material, the transparent ABS758 material and black toner are mainly adopted for injection molding, and the outer surface of the top cover 110 is specular and high in gloss, so that the high-end effect of the device is displayed.

Further, referring to fig. 3, the surface of the top cover 110 includes a first light-shielding region 111 and a first light-transmitting region 112, and the first light-transmitting region 112 is a high light surface for transmitting light conveniently. The first shading area 111 is covered with etched lines, so that the device can be prevented from seeing the parts inside under a semitransparent state to a certain extent, and the appearance effect is prevented from being influenced. The diffusion film 160 is attached in the first light-transmitting region 112, and the first light-transmitting region 112 is provided with an attaching straight edge 1121, so that alignment can be easily performed when the diffusion film 160 is attached, and the operation efficiency and the accuracy in operation can be improved.

Further, referring to fig. 1, the top cover 110, the bottom case 120 and the accommodating cavity are triangular.

Further, referring to fig. 4, a light shielding ring 133 is disposed on the surface of the PCB 130, a white oil layer is covered in the light shielding ring 133, and the light shielding bracket 140 is disposed at the position of the light shielding ring 133. Therefore, the reflection effect can be enhanced, and the utilization rate of the light source is improved.

Further, referring to fig. 5, the light shielding bracket 140 has a bell mouth structure with a small bottom and a large top, and the light shielding bracket 140 and the PCB 130 form an inclination angle δ 98-108 degrees, such as 98, 99, 100, 101, 102, 103, 104, 105, 106, 107 or 108 degrees, which is more beneficial to refraction and reflection of light and improves the utilization rate of light efficiency to the maximum extent.

Further, the light shielding bracket 140 is made of light gray ABS121, and the inner surface thereof is a high-gloss surface, so that the light shielding bracket can reflect light efficiently and can shield light to prevent the light from being emitted to other areas.

Further, referring to fig. 2, the outer end of the light shielding bracket 140 is provided with a hook leg 141 and a positioning column 142, the PCB 130 is provided with a first connecting hole 131 and a second connecting hole 132, the hook leg 141 is clamped with the first connecting hole 131, and the positioning column 142 is inserted into the second connecting hole 132. Thus, the connection firmness of the light shielding bracket 140 and the PCB 130 can be improved.

Further, referring to fig. 6, the three-color lamp 150 includes a first LED lamp 151, a second LED lamp 152, and a third LED lamp 153, the first LED lamp 151 and the third LED lamp 153 are respectively disposed at two sides of the second LED lamp 152, a center of the second LED lamp 152 is located on a central axis c of the light shielding bracket 140, a center of the second LED lamp 152 is located 22 to 28mm, such as 22, 23, 24, 25, 26, 27, or 28mm, from a center of the light shielding bracket 140, a center of the first LED lamp 151 is located 20 to 25mm, such as 20, 21, 22, 23, 24, or 25mm, from the center of the light shielding bracket 140, and a connecting line a between the center of the first LED lamp 151 and the center of the light shielding bracket 140 and the central axis c of the light shielding bracket 140 form an included angle α 20 to 26 degrees, such as 20, 21, 22, 23, 24, 25, or 26 degrees, and a connecting line a between the center of the first LED lamp 151 and the central axis c of the light shielding bracket 140 form an included angle α 20 to 26 degrees, such as 20, 21, 22, 23, 24, 25 degrees, or 25 degrees, 153 degrees, and 20 to 25 degrees, or 26 degrees. Therefore, the positions of the distributed lamps can improve the efficiency utilization rate of light and ensure the brightness consistency of the whole crescent part.

Further, the position layout of the three-color lamp 150 is particularly important, and after tens of repeated tests, a group of optimal placement positions is summarized: the center of the second LED lamp 152 is located on the central axis c of the light shielding support 140, and the center distance of the second LED lamp 152 is 25.4mm from the center of the light shielding support 140, the center distance of the first LED lamp 151 is 22.3mm from the center of the light shielding support 140, and the center of the first LED lamp 151 and the line a connecting the center of the light shielding support 140 and the central axis c of the light shielding support 140 form an included angle α 23 degree, the center distance of the third LED lamp 153 and the center 22.3mm of the light shielding support 140, and the center of the third LED lamp 153 and the line b connecting the center of the light shielding support 140 and the central axis c of the light shielding support 140 form an included angle β 23 degree. The positions of the distributed lamps can utilize the light efficiency to the maximum extent, and the brightness of the whole crescent part is ensured to be consistent.

It should be noted that the diffusion film 160, also called a uniform film or a diffuser, can provide a uniform surface light source, the diffusion film 160 is mainly formed by adding a particle of chemical particles as scattering particles into the base material of the diffusion film 160, and when light passes through the diffusion layer, the light will continuously pass through 2 media with different refractive indexes, so that the light will undergo many refraction, reflection and scattering phenomena, thus resulting in the optical diffusion effect. The haze of the diffusion film 160 is not uniform, and therefore, it is necessary to appropriately select the "target of use".

Further, the diffusion film 160 is a PC frosted material with a diffusion function, the frosted surface is outward, the high light surface is inward, a part of light can be reflected back to the surface of the PCB 130, and the white oil covered on the surface of the PCB 130 is reflected back to the light-transmitting surface of the diffusion film 160 again, so that the utilization rate of the light source is improved.

Further, referring to fig. 2, the surface of the diffusion film 160 includes a second light-shielding region 161 and a second light-transmitting region, the second light-transmitting region is the crescent light-transmitting region 162, and the second light-shielding region 161 is covered with a black back glue layer. Thus, the greatest benefit of this design is: 1. the display range and the shape of the projected light can be flexibly adjusted through the shape of the back adhesive, and the black back adhesive is adopted, so that the high labor cost of shading caused by silk-screen printing of black ink is saved. The black gum has the advantages of shading effect, bonding effect, two purposes, easy operation and low cost. 2. The light transmission effect may be determined by the haze type of the diffuser film 160, and thus different light transmission effects may be achieved by replacing the diffuser film 160 of different haze types.

Therefore, the crescent-shaped light display device 10 can easily adjust and control the shape of light, the size of the display range and the light transmission effect only by the light diffuser and the shading bracket 140, thereby changing the desired light effect and having wide use scenes.

In addition, the second light-transmitting region can be not only in a crescent shape but also in other shapes by replacing the diffusion film 160 or adjusting the black back glue layer of the second light-shielding region 161.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a crescent light display device, its characterized in that, includes top cap, end box, PCB board, shading support, three-color lamp and diffusion barrier, the top cap with end box is connected and is formed the holding chamber, the PCB board the shading support with the three-color lamp all set up in the holding intracavity, the shading support set up in on the PCB board, the three-color lamp set up in the shading support, the three-color lamp with PCB board electricity is connected, the diffusion barrier set up in on the top cap, the diffusion barrier is provided with crescent printing opacity district.

2. The crescent-shaped light display device according to claim 1, wherein the top cover comprises a first shading area and a first light-transmitting area, the first shading area is covered with etched patterns, the diffusion film is attached in the first light-transmitting area, and the first light-transmitting area is provided with an attaching straight edge.

3. A crescent-shaped light display device according to claim 1, wherein the top cover is of ABS758 material.

4. The crescent-shaped light display device according to claim 1, wherein a shading ring is arranged on the surface of the PCB, a white oil layer is covered in the shading ring, and the shading support is arranged at the position of the shading ring.

5. The crescent-shaped light display device of claim 1, wherein the light shielding bracket is a bell mouth structure with a small bottom and a large top, and the light shielding bracket and the PCB form an inclination angle of 98-108 degrees.

6. The crescent-shaped light display device according to claim 1, wherein the outer end of the light shielding bracket is provided with a hook support leg and a positioning column, the PCB is provided with a first connecting hole and a second connecting hole, the hook support leg is clamped with the first connecting hole, and the positioning column is inserted into the second connecting hole.

7. The crescent-shaped light display device of claim 1, wherein the light blocking support is made of ABS121 material.

8. The crescent light display device according to claim 1, wherein the three-color light includes a first LED light, a second LED light and a third LED light, the first LED light and the third LED light are respectively disposed on two sides of the second LED light, the center of the second LED light is located on the central axis of the light shielding bracket, the center of the second LED light is 22-28 mm away from the center of the light shielding bracket, the center of the first LED light is 20-25 mm away from the center of the light shielding bracket, an included angle formed by a connecting line between the center of the first LED light and the center of the light shielding bracket and the central axis of the light shielding bracket is 20-26 degrees, the center of the third LED light is 20-25 mm away from the center of the light shielding bracket, and an included angle formed by a connecting line between the center of the third LED light and the center of the light shielding bracket and the central axis of the light shielding bracket is 20-26 degrees.

9. The crescent-shaped light display device according to claim 1, wherein the surface of the diffusion film comprises a second light-shielding region and a second light-transmitting region, the second light-transmitting region is the crescent-shaped light-transmitting region, and the second light-shielding region is covered with a black back glue layer.

10. A crescent-shaped light display device according to claim 1, wherein the diffuser film is a PC material.