Uniform light assembly and luminaire

Abstract

The utility model discloses a kind of uniform light components and lamps, the uniform light component is fixed in another surface of lamp stand and located above LED lamp plate, the uniform light component includes first reflecting film, light guide column, second reflecting film, semi-permeable piece and diffusion film pasted in turn from bottom to top;The positive light emission of the LED lamp plate is guided by light guide column, converts point light source into area light source and first light uniformity;By first reflecting film and second reflecting film reflection, again by semi-permeable piece, second light uniformity is carried out after emission diffuse light, diffusion film is third light uniformity after carrying out to uniform emission. Three light uniformity processing solve the problem that there is uneven light in the projection of the existing LED lamp in bright area directly below.

Description

Technical Field

[0001] This utility model relates to the field of electronic technology, and in particular to a uniform light component and lamp. Background Technology

[0002] In existing electronic devices, LED lights need to be placed directly below the projected area of ​​the illuminated zone. To achieve uniform lighting, the positions of several LEDs on the LED panel are usually adjusted to offset each LED from the illuminated area. This requires a relatively large structural space to accommodate all the LEDs, increasing structural space costs and hindering miniaturization. Later, an optical component was added to even out the light. This component typically consists of a reflective film and a light guide column, but the reflection effect is uneven. Light is concentrated near the LEDs, resulting in exceptionally bright areas, while areas without LEDs receive less light, leading to dimmer lighting. Ultimately, uneven lighting still occurs directly below the projected area of ​​the illuminated zone.

[0003] Therefore, existing technologies still need to be improved and enhanced. Utility Model Content

[0004] In view of the shortcomings of the prior art, the purpose of this utility model is to provide a uniform light component and lamp to solve the problem of uneven light distribution directly below the projection of the existing LED lamp in the illuminated area.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: A uniform light assembly is adhered to another surface of a lamp holder and located above an LED light panel, comprising a first reflective film, a light guide post, a second reflective film, a semi-transparent element, and a diffusion film, which are sequentially adhered from bottom to top. The LED light panel emits light through a light guide column, converting the point light source into a surface light source and uniformly distributing the light for the first time. The light is reflected by the first and second reflective films, and then uniformly distributed after passing through a semi-transparent component. The diffused light is then uniformly distributed after being uniformly distributed by the diffusion film for the third time.

[0006] In the uniform light assembly, the first reflective film and the second reflective film are coated with adhesive on both sides, and the diffuser film is coated with adhesive on only one side.

[0007] In the uniform light assembly, one surface of the first reflective film is adhered to the other surface of the lamp holder, the other surface of the first reflective film is adhered to one surface of the light guide post, one surface of the second reflective film is adhered to the other surface of the light guide post, the other surface of the second reflective film is adhered to one surface of the semi-transparent component, and one surface of the diffusion film is adhered to the other surface of the semi-transparent component.

[0008] In the uniform light assembly, the first reflective film is annular, and four slots are provided on the first reflective film to expose the LED lights.

[0009] In the uniform light assembly, the second reflective film is composed of four sub-films, one surface of each sub-film is adhered to the other surface of the light guide post and located directly above the corresponding LED light.

[0010] In the uniform light assembly, four optical patterns are equidistantly spaced on one surface of the light guide column. The optical patterns are located directly above the LED light and are used to uniformly distribute the light.

[0011] In the uniform light assembly, the inner side of the light guide column is provided with two protrusions, and the two outer side walls of the support ring of the lamp holder are respectively provided with a slot, and the two protrusions are inserted into the corresponding slots.

[0012] A lighting fixture includes an LED light panel and a lamp holder, and further includes the aforementioned uniform light component; the LED light panel is fixed to one surface of the lamp holder, and LEDs on the LED light panel are inserted into lamp holes on the lamp holder; the uniform light component is adhered to the other surface of the lamp holder, and the uniform light component is used to guide, reflect, and uniformly emit light after three rounds of light equalization of the positive light emitted by the LED light panel.

[0013] In the aforementioned lighting fixture, the LED light panel is a circular plate with a square hole in the center, and four LED lights are evenly spaced on the circular plate.

[0014] In the aforementioned lamp fixture, the lamp holder includes an annular base and a support ring located on the base, and the uniform light component is fitted onto the support ring and glued and fixed to the base.

[0015] Compared to existing technologies, the uniform light component and lamp provided by this utility model are as follows: the uniform light component is adhered to the other surface of the lamp holder and located above the LED light panel. The uniform light component includes a first reflective film, a light guide column, a second reflective film, a semi-transparent component, and a diffusion film, which are sequentially adhered from bottom to top. The positive light emission from the LED light panel is guided by the light guide column, converting the point light source into a surface light source and achieving initial light uniformization. After reflection by the first and second reflective films, the light is then uniformly emitted after a second light uniformization by the semi-transparent component. The diffusion film then uniformly emits the diffused light after a third light uniformization. This three-stage light uniformization process solves the problem of uneven light distribution directly below the projection area of ​​the existing LED lamps. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of the lamp provided by this utility model.

[0017] Figure 2 This is an exploded view of the uniform light component provided by this utility model.

[0018] Figure 3 This is a schematic diagram of one surface of the light guide column provided by this utility model.

[0019] Figure 4 This is a schematic diagram of the optical patterns on the light guide column provided by this utility model.

[0020] Figure 5 This is a schematic diagram of the light emission path of the uniform light component provided by this utility model. Detailed Implementation

[0021] This utility model provides a uniform light component and a lamp. To make the objectives, technical solutions, and advantages of this utility model clearer and more explicit, the following detailed description, with reference to the accompanying drawings and embodiments, further illustrates the utility model. It should be understood that the specific embodiments described herein are merely illustrative and are not intended to limit the scope of this utility model.

[0022] Please also refer to Figure 1 , Figure 2 and Figure 3 This utility model provides a lamp that can achieve uniform light, which includes an LED light panel 1, a lamp holder 13, and a uniform light component 2 located above the lamp holder 13. The LED light panel 1 is fixed to one surface of the lamp holder 13. Figure 1 The direction shown corresponds to the lower surface). The LED lamps 9 on the LED light panel 1 are inserted into the lamp holes 14 on the lamp holder 13. The uniform light component 2 is glued to the other surface of the lamp holder 13 (corresponding to the upper surface). The uniform light component 2 is used to guide, reflect and uniformly emit light after three rounds of light equalization of the positive light emitted by the LED light panel 1.

[0023] Preferably, the LED light panel 1 is a circular plate with a square hole 8 in the center, and four LED lights 9 are evenly spaced on the circular plate, preferably breathing lights. The side of the circular plate adjacent to one of the LED lights (…) Figure 1 The left side (shown in the diagram) is a straight edge, which is used for positioning to facilitate confirmation of the installation square and position when installing LED lights. The LED light board 1 has two opposing mounting holes 12 for screwing the LED light board 1 onto the light holder 13.

[0024] The lamp holder 13 includes an annular base 15 and a support ring 16 located on the base 15. The base 15 and the support ring 16 are integrally formed. The central hole in the base 15 has the same size as the central hole in the support ring 16. The uniform light component 2 is fitted onto the support ring 16 and is glued and fixed to the base 15. The number and position of the lamp holes 14 on the lamp holder 13 are the same as those of the LED lamp 9. The LED lamp 9 is inserted into the lamp holes 14. The lamp holes 14 not only limit and protect the LED lamp 9, but the walls of the lamp holes 14 can also block the light from all sides of the LED lamp 9, so that the LED lamp 9 can only emit light upwards, avoiding light diffusion.

[0025] In this embodiment, the uniform light assembly 2 includes a first reflective film 3, a light guide post 4, a second reflective film 5, a semi-transparent element 6, and a diffusion film 7, which are sequentially attached from bottom to top. The positive light emission from the LED light panel is guided by the light guide post 4, converting the point light source into a surface light source and uniformly emitting light for the first time; after being reflected by the first reflective film 3 and the second reflective film 5, the light is uniformly emitted after being uniformly emitting light through the semi-transparent element 6. The diffuser film 7 then uniformly emits the diffused light after uniformly emitting it.

[0026] The first reflective film 3 and the second reflective film 5 are both adhesive-backed (both surfaces have adhesive backing, the thickness of which is preferably 0.03 mm, and the thickness of the two reflective films is preferably 0.1 mm), and the diffusion film 7 is adhesive-backed (one surface has adhesive backing). Therefore, during the actual application, the following applies: Figure 2 Taking the direction shown as an example, one surface (corresponding to the lower surface) of the first reflective film 3 is adhered to the other surface (corresponding to the upper surface) of the lamp holder, the other surface (corresponding to the upper surface) of the first reflective film 3 is adhered to one surface (corresponding to the lower surface) of the light guide post 4, one surface (corresponding to the lower surface) of the second reflective film 5 is adhered to the other surface (corresponding to the upper surface) of the light guide post 4, the other surface (corresponding to the upper surface) of the second reflective film 5 is adhered to one surface (corresponding to the lower surface) of the semi-transparent part 6, and one surface (corresponding to the lower surface) of the diffusion film 7 is adhered to the other surface (corresponding to the upper surface) of the semi-transparent part 6.

[0027] The surface size of the first reflective film 3 is adapted to the surface size of the light guide post 4, and it is a circular reflective film. The first reflective film 3 has four slots to avoid blocking the lamp hole 14 and expose the LED light. The first reflective film 3 is cut into four arc-shaped strips by the slots.

[0028] The second reflective film 5 is composed of four sub-films. One surface of each sub-film (corresponding to the lower surface) is adhered to the other surface (corresponding to the upper surface) of the light guide post 4 and is located directly above the corresponding LED. The surface size of each sub-film is adapted to the surface size of the LED.

[0029] The light guide post 4, the semi-transparent component 6, and the diffusion film 7 are all annular rings with matched surface dimensions; after assembly, they are fitted onto the outer wall of the support ring 16. The light guide post 4 is made of transparent PC (Polycarbonate) material, with a preferred thickness of 0.6 mm to meet the thickness requirements of the injection molded part. The semi-transparent component 6 is made of semi-transparent PC material, with a preferred thickness of 0.5 mm. The semi-transparent polycarbonate scatters light through its internal microstructure, forming uniform diffused light and reducing glare. The diffusion film 7 has a preferred thickness of 0.15 mm. Through its microstructure, light undergoes multiple refractions and scatterings, thereby eliminating local bright spots in the light source and achieving uniform light distribution, thus improving the effective luminous flux utilization rate.

[0030] Among them, such as Figure 3 As shown, four optical patterns 10 are equidistantly spaced on one surface (corresponding to the lower surface) of the light guide post 4. These optical patterns 10 are located directly above the LED light and serve to collect and uniformly distribute light. The optical patterns 10 are preferably Fresnel patterns or optical microstructures, such as... Figure 4 As shown, the optical texture 10 consists of a number of side-by-side sawtooth (triangular) grooves 18, with the tooth tips 19 between two adjacent grooves being arc-shaped.

[0031] It should be understood that the LED light panel 1 can also have other shapes, as long as it has a hole in the middle, and the LED lights are located at the slots of the first reflective film and below each sub-film. The number and position of the LED lights can be set according to requirements, preferably evenly distributed, in which case the number and position of the slots of the first reflective film, the sub-films, and the optical patterns can be adjusted accordingly.

[0032] To prevent the optical texture 10 and the LED lamp 9 from not being completely aligned and overlapping when assembling the uniform light component 2, preferably, a slot 17 is provided on each of the two opposite outer side walls of the support ring 16 of the lamp holder 13, and two protrusions 11 are provided on the inner side of the light guide post 4. The two protrusions 11 are inserted into the corresponding slots 17 respectively, which can play a limiting role.

[0033] Please refer to the following: Figures 1 to 5 Taking an LED breathing light as an example, it has three point light sources (such as...). Figure 5 (As shown by the three point light sources on the LED lamp), the working principle of the uniform light component 2 is as follows: When the four upward-emitting LEDs 9 are projected onto the illuminated area, the first reflective film 3, attached to the lower surface of the light guide post 3, avoids the optical texture 10 and exposes the LEDs 9. The light first shines directly upwards into the optical texture 10 of the light guide post 4. The light guide post 4 converts the point light source into a uniform surface light source through the optical texture 10, achieving the first homogenization of the light. The surface light source reflects the light with the help of two reflective films on the upper and lower surfaces of the light guide post, which optimizes the light path and uniforms the light field, improves light reflection efficiency, and reduces light energy loss. Furthermore, the second reflective film 5, attached to the upper surface of the light guide post 3 and located directly above the LEDs, with the same size as the optical texture 10, can also weaken the light intensity at the corresponding position, making the light intensity of the bright and dark areas similar. The reflected light then passes through the semi-transparent component 6 for a second homogenization, resulting in a diffused and soft light effect. The uniform light then passes through the diffusion film 7 on the surface for a third uniformization before being diffused out, thus achieving a uniform lighting effect. While improving brightness, it also optimizes the light path distribution. Specifically, the visible bright area is a uniform ring with a breathing light effect.

[0034] In summary, the uniform light emission assembly and lamp provided by this utility model, by setting up a uniform light emission assembly composed of a first reflective film, a light guide column, a second reflective film, a semi-transparent component, and a diffuser film, guides the positive light emission from the LED light panel through the light guide column for the first uniform light emission, reflects it through the first and second reflective films, performs a second uniform light emission through the semi-transparent component, and finally performs a third uniform light emission through the diffuser film before uniformly emitting the light. The combination of the structural design of the two reflective films and the two uniform light emission processes improves the uniformity of light emission and solves the problem of uneven light emission directly below the projection of the illuminated area in existing LED lights.

[0035] It should be understood that the application of this utility model is not limited to the examples above. Those skilled in the art can make improvements or modifications based on the above description, and all such improvements and modifications should fall within the protection scope of the appended claims.

Claims

1. A uniform light assembly, adhered to another surface of a lamp holder and positioned above an LED light panel, characterized in that, It includes, from bottom to top, a first reflective film, a light guide post, a second reflective film, a semi-transparent component, and a diffusion film; The LED light panel emits light through a light guide column, converting the point light source into a surface light source and uniformly distributing the light for the first time. The light is reflected by the first and second reflective films, and then uniformly distributed after passing through a semi-transparent component. The diffused light is then uniformly distributed after being uniformly distributed by the diffusion film for the third time.

2. The uniform light component according to claim 1, characterized in that, The first and second reflective films are coated with adhesive on both sides, while the diffusion film is coated with adhesive on only one side.

3. The uniform light component according to claim 2, characterized in that, One surface of the first reflective film is adhered to the other surface of the lamp holder, the other surface of the first reflective film is adhered to one surface of the light guide post, one surface of the second reflective film is adhered to the other surface of the light guide post, the other surface of the second reflective film is adhered to one surface of the semi-transparent part, and one surface of the diffusion film is adhered to the other surface of the semi-transparent part.

4. The uniform light component according to claim 3, characterized in that, The first reflective film is a ring shape, and four slots are formed on the first reflective film to expose the LED lights.

5. The uniform light component according to claim 4, characterized in that, The second reflective film consists of four sub-films, one surface of each sub-film is adhered to the other surface of the light guide post and located directly above the corresponding LED light.

6. The uniform light component according to claim 5, characterized in that, Four optical patterns are evenly spaced on one surface of the light guide column. The optical patterns are located directly above the LED light and are used to uniformly distribute the light.

7. The uniform light component according to claim 6, characterized in that, The inner side of the light guide column is provided with two protrusions, and the two outer side walls of the lamp holder support ring are respectively provided with a slot, and the two protrusions are inserted into the corresponding slots respectively.

8. A lighting fixture, comprising an LED light panel and a light holder, characterized in that, It also includes a uniform light component as described in any one of claims 1-7; the LED light panel is fixed to one surface of the lamp holder, the LED lights on the LED light panel are inserted into the lamp holes on the lamp holder, the uniform light component is adhered to the other surface of the lamp holder, and the uniform light component is used to guide, reflect and uniformly emit light after three rounds of light equalization of the positive light emitted by the LED light panel.

9. The lamp according to claim 8, characterized in that, The LED light panel is a circular plate with a square hole in the middle, and four LED lights are evenly spaced on the circular plate.

10. The lamp according to claim 9, characterized in that, The lamp holder includes an annular base and a support ring located on the base, with the uniform light component fitted onto the support ring and glued and fixed to the base.

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