CN219082829U - Low-glare side-emitting multicolor-temperature flat lamp - Google Patents
Low-glare side-emitting multicolor-temperature flat lamp Download PDFInfo
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- CN219082829U CN219082829U CN202222765274.2U CN202222765274U CN219082829U CN 219082829 U CN219082829 U CN 219082829U CN 202222765274 U CN202222765274 U CN 202222765274U CN 219082829 U CN219082829 U CN 219082829U
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Abstract
The utility model discloses a low-glare side-emitting multicolor panel lamp, which comprises an outer frame, a light guide assembly, a diffusion assembly and a light-emitting lamp strip, wherein the light guide assembly, the diffusion assembly and the light-emitting lamp strip are all arranged in the outer frame, the light guide assembly comprises a reflecting sheet and a light guide plate, and the diffusion assembly comprises a diffusion film and a prismatic crystal plate; the light guide plate comprises a light emitting surface and a plurality of light incident surfaces, all the light incident surfaces are perpendicular to the light emitting surface, a back surface is arranged on the opposite side of the light emitting surface, and a plurality of color-changing layers are arranged on the light emitting side of the light emitting surface; the light-emitting side of the light-emitting lamp strip contacts with the light-entering surface of the light guide plate, and the light rays diffused by the light-emitting lamp strip enter the light guide plate through the light-entering surface to be refracted and diffused.
Description
Technical Field
The utility model belongs to the technical field of flat lamp equipment, and particularly relates to a low-glare side-emitting multicolor flat lamp.
Background
The LED (Light Emitting Diode ) technology is widely popularized with the advantages of power saving, high brightness, long service life, good anti-vibration performance, etc., and in recent years, the LED lamp is increasingly used in daily lighting and display. The more important type of LED lamp is the dull and stereotyped lamp of LED, and the dull and stereotyped lamp of this type of LED is planar form and the part of inside is also planar form, mainly installs planar reflection stratum, light guide plate and diffusion layer in proper order in a lamp frame to in the backplate and in the side department of light guide plate installation LED lamp strip, light reaches the purpose that improves the degree of consistency through multiple reflection under the combined action of reflection stratum and light guide plate, and effectively prevent glare through the diffusion layer. The color temperature (Color Temperature) is the color produced by an absolute black body with different temperatures. The color temperature of a light source is determined by comparing its color with a theoretical thermal black body radiator. The human brain also behaves differently at different color temperatures: it is more interesting under high color temperature (daytime) illumination and calm under low color temperature illumination.
Conventional lamps generally require a larger lamp shade to change the color temperature of the emitted light, which requires a larger space for placing the lamp shade, and the lamp shade is easily weathered and damaged as the service life of the lamp is prolonged, and falls off to affect the use, and the flat lamp glare is represented by a unified glare index (UGR) value. In everyday indoor ambient lighting, the comfort of the lighting is increasingly important. Lighting comfort relates to the lowest lighting level and to the degree of glare and interference of the light emitting part of the lighting device with humans, and the lighting level should be as low as possible, a common side-lit flat panel lamp without diffusing parts, a glare index value of about 22, and it is difficult to reach less than 19, which is a national standard for educational lighting products.
Disclosure of Invention
The utility model mainly solves the technical problem of providing a low-glare side-emitting multicolor panel lamp.
In order to solve the technical problems, the utility model adopts a technical scheme that:
the utility model provides a low glare side luminous polychromatic temperature flat panel lamp, includes frame, light guide subassembly, diffusion subassembly and luminous lamp strip all set up in inside the frame, light guide subassembly includes reflector plate and light guide plate, diffusion subassembly includes diffusion membrane and prismatic crystal board;
the light guide plate comprises a light emitting surface and a plurality of light incident surfaces, all the light incident surfaces are perpendicular to the light emitting surface, a back surface is arranged on the opposite side of the light emitting surface, and a plurality of color-changing layers are arranged on the light emitting side of the light emitting surface;
the light-emitting side of the light-emitting lamp bar is contacted with the light-entering surface of the light guide plate, and light rays diffused by the light-emitting lamp bar enter the light guide plate through the light-entering surface to be refracted and diffused.
Preferably, the diffusion component is disposed at a side close to the light emitting surface.
Preferably, the reflection sheet is disposed at a side close to the rear surface of the light guide plate.
Preferably, the color-changing layer comprises a color light-transmitting ink layer, and the color light-transmitting ink layer is formed by screen printing of color light-transmitting ink on the color-changing layer; or the color light-transmitting ink layer is formed by coating color light-transmitting ink on the color-changing layer.
Preferably, the prismatic crystal plate comprises prismatic diffusion prismatic crystals arranged in a plurality of array arrangements.
Preferably, the light-emitting light bar is provided with a plurality of LED light beads, the light incident surface of the light guide plate is provided with a plurality of light guide portions, the light guide portions comprise a plurality of light scattering grooves arranged radially, and the LED light beads are close to the light guide portions and are in contact with each other.
Preferably, the section of the light scattering groove is a concave arc with two symmetrical ends, and the concave arcs at the two ends are connected to form a U shape; or the section of the light scattering groove is a convex arc with two symmetrical ends, and the convex arcs at the two ends are connected to form an arc shape.
Preferably, the light guide plate is a polymethyl methacrylate plate or a general-purpose polystyrene plate or a polycarbonate plate or a polyethylene terephthalate resin plate.
The beneficial technical effects of the utility model are as follows:
1. according to the low-glare side-emitting multicolor-temperature flat lamp, the light guide plate is matched with the outer frame, the light guide assembly and the light-emitting lamp strip are arranged in the outer frame, and the light guide assembly sequentially comprises a reflecting layer, the light guide plate and a diffusion plate along the light scattering direction; the color-changing layer arranged on the light-emitting surface enables the light source emitted through the light guide plate to be a light source with one or more color temperatures, so that the LED lamp has a lighting function and can change the color temperature, a large lampshade of a traditional color-changing lamp is avoided, and the installation space is reduced while the attractiveness is improved.
2. The low-glare side-emitting multicolor-temperature flat lamp provided by the utility model refracts and diffuses light rays emitted by the light-emitting lamp strip through the light-diffusing groove arranged on the light-incident surface of the light guide plate, and further refracts the light rays by the diffusion film arranged on one side of the light-emitting surface of the light guide plate and the prismatic crystal plate, so that the value of the glare index (UGR) is controlled to be less than 19 in the national standard of educational illumination products.
Drawings
FIG. 1 is a schematic exploded view of a low glare side-emitting multi-color temperature flat panel lamp of the present utility model;
FIG. 2 is a side view of a light guide plate of the low glare side-emitting multi-color temperature flat panel lamp of the present utility model;
FIG. 3 is a cross-sectional view of a "U" shaped light-diffusing groove of the low-glare side-emitting multi-color temperature flat panel lamp of the present utility model;
FIG. 4 is a cross-sectional view of a "V" shaped light diffusing groove of the low glare side-emitting multi-color temperature flat panel lamp of the present utility model;
FIG. 5 is a schematic diagram of a prismatic crystal plate structure of a low glare side-emitting multi-color temperature flat panel lamp of the present utility model;
the parts in the drawings are marked as follows:
1. outer frame, 2, prismatic crystal plate, 201, diffusion prismatic crystal, 3, diffusion film, 4, luminous lamp strip, 401, LED lamp pearl, 5, light guide plate, 501, light incident surface, 502, light guide part, 503, light emergent surface, 504, color change layer, 505, light dispersion groove, 6, reflector plate, 7, buffer, 8, backplate.
Detailed Description
In order that the manner in which the above recited features of the present utility model are attained and can be understood in detail, a more particular description of the utility model, briefly summarized below, may be had by reference to the appended drawings and examples, which are illustrated in their embodiments, but are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, or detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The embodiment discloses a low glare side-emitting multicolor panel light in detail, which comprises an outer frame 1, a light guide assembly, a diffusion assembly and a light-emitting light bar 4, wherein the light guide assembly, the diffusion assembly and the light-emitting light bar are all arranged in the outer frame, the light guide assembly comprises a reflecting sheet 6 and a light guide plate 5, and the diffusion assembly comprises a diffusion film 3 and a prismatic crystal plate 2;
the light guide plate 5 includes a light emitting surface 503 and a plurality of light incident surfaces 501, all of the light incident surfaces are perpendicular to the light emitting surface, a back surface is further disposed on a side opposite to the light emitting surface, and a plurality of color-changing layers 504 are disposed on a light emitting side of the light emitting surface;
the light emitting side of the light emitting light bar 4 contacts with the light incident surface of the light guide plate, and the light emitted by the light emitting light bar enters the light guide plate through the light incident surface 501 to be refracted and emitted.
Further, the diffusion component is disposed at a side close to the light emitting surface 503.
Further, the reflection sheet 6 is disposed on a side close to the rear surface of the light guide plate.
Further, the color-changing layer 504 includes a color-transparent ink layer, where the color-transparent ink layer is a color-transparent ink layer formed by screen printing color-transparent ink on the color-changing layer; or the color light-transmitting ink layer is formed by coating color light-transmitting ink on the color-changing layer.
Further, the prismatic crystal plate 2 includes prismatic diffusion prisms 201 arranged in a plurality of arrays.
Further, the light-emitting light bar 4 is provided with a plurality of LED light beads 401, the light incident surface 501 of the light guide plate is provided with a plurality of light guide portions 502, the light guide portions include a plurality of light scattering grooves 505 arranged radially, and the LED light beads are close to the light guide portions and are in contact with each other.
Further, the cross section of the light scattering groove 505 is a concave arc with two symmetrical ends, and the concave arcs at the two ends are connected to form a U shape; or the cross section of the light scattering groove 505 is a convex arc with two symmetrical ends, and the convex arcs at the two ends are connected to form an arc shape.
Further, the light guide plate 5 is a polymethyl methacrylate plate or a general-purpose polystyrene plate or a polycarbonate plate or a polyethylene terephthalate resin plate.
According to the low-glare side-emitting multicolor-temperature flat lamp, the light guide plate is matched with the outer frame, the light guide assembly and the light-emitting lamp strip are arranged in the outer frame, and the light guide assembly sequentially comprises a reflecting layer, the light guide plate and a diffusion plate along the light scattering direction; the color-changing layer arranged on the light-emitting surface enables the light source emitted through the light guide plate to be a light source with one or more color temperatures, so that the LED lamp has a lighting function and can change the color temperature, a large lampshade of a traditional color-changing lamp is avoided, and the installation space is reduced while the attractiveness is improved. The low-glare side-emitting multicolor-temperature flat lamp provided by the utility model refracts and diffuses light rays emitted by the light-emitting lamp strip through the light-diffusing groove arranged on the light-incident surface of the light guide plate, and further refracts the light rays by the diffusion film arranged on one side of the light-emitting surface of the light guide plate and the prismatic crystal plate, so that the value of the glare index (UGR) is controlled to be less than 19 in the national standard of educational illumination products.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and it should be noted that it is possible for those skilled in the art to make several improvements and modifications without departing from the technical principle of the present utility model, and these improvements and modifications should also be regarded as the protection scope of the present utility model.
Claims (9)
1. The utility model provides a low glare side luminous polychromatic temperature flat lamp which characterized in that: the LED lamp comprises an outer frame, a light guide assembly, a diffusion assembly and a light-emitting lamp strip, wherein the light guide assembly, the diffusion assembly and the light-emitting lamp strip are arranged inside the outer frame, the light guide assembly comprises a reflecting sheet and a light guide plate, and the diffusion assembly comprises a diffusion film and a prismatic crystal plate;
the light guide plate comprises a light emitting surface and a plurality of light incident surfaces, all the light incident surfaces are perpendicular to the light emitting surface, a back surface is arranged on the opposite side of the light emitting surface, and a plurality of color-changing layers are arranged on the light emitting side of the light emitting surface;
the light-emitting side of the light-emitting lamp bar is contacted with the light-entering surface of the light guide plate, and light rays diffused by the light-emitting lamp bar enter the light guide plate through the light-entering surface to be refracted and diffused.
2. The low glare side-emitting multi-color temperature flat panel lamp of claim 1, wherein: the diffusion component is arranged on one side close to the light-emitting surface.
3. The low glare side-emitting multi-color temperature flat panel lamp of claim 1, wherein: the reflecting sheet is arranged on one side close to the back surface of the light guide plate.
4. The low glare side-emitting multi-color temperature flat panel lamp of claim 1, wherein: the color-changing layer comprises a color light-transmitting ink layer, and the color light-transmitting ink layer is formed by screen printing of color light-transmitting ink on the color-changing layer; or the color light-transmitting ink layer is formed by coating color light-transmitting ink on the color-changing layer.
5. The low glare side-emitting multi-color temperature flat panel lamp of claim 1, wherein: the prismatic crystal plate comprises prismatic diffusion prismatic crystals which are arranged in a plurality of arrays.
6. The low glare side-emitting multi-color temperature flat panel lamp of claim 1, wherein: the luminous lamp strip is provided with a plurality of LED lamp beads, the light incidence surface of the light guide plate is provided with a plurality of light guide parts, the light guide parts comprise a plurality of light scattering grooves which are arranged in a radial mode, and the LED lamp beads are close to the light guide parts and are in contact with each other.
7. The low glare side-emitting multi-color temperature flat panel lamp of claim 6, wherein: the section of the light scattering groove is a concave arc with two symmetrical ends, and the concave arcs at the two ends are connected to form a U; or the section of the light scattering groove is a convex arc with two symmetrical ends, and the convex arcs at the two ends are connected to form an arc shape.
8. The low glare side-emitting multi-color temperature flat panel lamp of claim 1, wherein: the light guide plate is a polymethyl methacrylate plate or a general-grade polystyrene plate or a polycarbonate plate or a polyethylene terephthalate resin plate.
9. The low glare side-emitting multi-color temperature flat panel lamp of claim 1, wherein a back plate is disposed on a side of the reflective sheet away from the light guide plate, a cushion pad is further disposed between the back plate and the reflective sheet, and the back plate is connected to the outer frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222765274.2U CN219082829U (en) | 2022-10-18 | 2022-10-18 | Low-glare side-emitting multicolor-temperature flat lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222765274.2U CN219082829U (en) | 2022-10-18 | 2022-10-18 | Low-glare side-emitting multicolor-temperature flat lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219082829U true CN219082829U (en) | 2023-05-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222765274.2U Active CN219082829U (en) | 2022-10-18 | 2022-10-18 | Low-glare side-emitting multicolor-temperature flat lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219082829U (en) |
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2022
- 2022-10-18 CN CN202222765274.2U patent/CN219082829U/en active Active
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