CN219198915U - Low UGR value side-emitting multicolor temperature flat lamp - Google Patents
Low UGR value side-emitting multicolor temperature flat lamp Download PDFInfo
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- CN219198915U CN219198915U CN202222765209.XU CN202222765209U CN219198915U CN 219198915 U CN219198915 U CN 219198915U CN 202222765209 U CN202222765209 U CN 202222765209U CN 219198915 U CN219198915 U CN 219198915U
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Abstract
The utility model discloses a side-emitting multicolor panel lamp with a low UGR value, which comprises an outer frame, wherein a light guide assembly and a diffusion assembly are sequentially arranged in the outer frame along the thickness direction, the light guide assembly sequentially comprises a reflecting sheet and a light guide plate along the thickness direction, and the diffusion assembly sequentially comprises a diffusion film, a microchip and a prismatic crystal plate along the thickness direction; 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 of the body, and a plurality of color-changing layers are arranged on the light emitting side of the light emitting surface; according to the side-emitting multicolor temperature flat lamp with the low UGR value, through the color-changing layer arranged on the light-emitting surface, the light source emitted by the light guide plate can be one or more color temperature light sources, so that the light guide plate has a lighting function and can change the color temperature, a larger lampshade of a traditional color-changing lamp is avoided, the attractiveness is improved, and meanwhile, the installation space is reduced.
Description
Technical Field
The utility model belongs to the technical field of light-emitting flat lamp equipment, and particularly relates to a side-emitting multicolor flat lamp with a low UGR value.
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 and the like, 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. Color temperature (ColorTemperature) 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 a person, and the lighting level should be as low as possible, a common side-lit flat panel lamp has no diffusing parts, a glare index value of about 22, it is difficult to reach less than 19 of the national standard of educational lighting products, and UGR index adjustment to less than 16 is often required to reach higher standards.
Disclosure of Invention
The utility model mainly solves the technical problem of providing a side-emitting multicolor temperature flat lamp with a low UGR value.
In order to solve the technical problems, the utility model adopts a technical scheme that:
the utility model provides a side luminous polychromatic temperature flat lamp of low UGR value, includes the frame, light guide component, diffusion subassembly have been set gradually along thickness direction in the frame, light guide component includes reflector plate and light guide plate along thickness direction in proper order, diffusion subassembly includes diffusion membrane, microchip and prismatic crystal board along thickness direction in proper order;
preferably, the light guide plate includes 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 further disposed on a side opposite to the light emitting surface, and a plurality of color-changing layers are disposed on the light emitting side of the light emitting surface;
preferably, a light-emitting light bar is arranged on the outer side of the light incident surface of the light guide plate, the light-emitting side of the light-emitting light bar is in contact with the light incident surface of the light guide plate, and light rays diffused by the light-emitting light bar enter the light guide plate through the light incident surface to be refracted and diffused.
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 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, a plurality of microcrystalline units arranged in an array are arranged on one side surface of the microcrystalline chip, the microcrystalline units are in a quadrangular pyramid shape, and the bottom surface of each microcrystalline unit is connected with the side surface of the microcrystalline chip.
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.
Preferably, a plurality of triangular prism-shaped diffusion prisms arranged in an array are arranged on one side surface of the prism plate.
Preferably, the diffusion film comprises a plurality of diffusion particles disposed within the film, the diffusion particles having a light refractive index different from that of the diffusion film.
Preferably, a back plate is arranged on one side, far away from the light guide plate, of the reflecting sheet, a buffer pad is further arranged between the back plate and the reflecting sheet, and the back plate is connected with the outer frame.
The beneficial technical effects of the utility model are as follows:
1. according to the side-emitting multicolor temperature flat lamp with the low UGR value, 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 side-emitting multicolor flat lamp with low UGR value of the utility model makes the light emitted by the light-emitting lamp strip refract and diffuse through the light-diffusing groove arranged on the light-entering surface of the light-guiding plate, and further refracts through the diffusion film arranged on one side of the light-emitting surface of the light-guiding plate, and controls the value of the glare index (UGR) to be less than 16 through the diffusion unit of the microcrystal plate and the repeated refraction and diffusion of the prismatic crystal plate.
Drawings
FIG. 1 is an exploded schematic view of a low UGR 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 a low UGR 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 a low UGR side-emitting multi-color temperature flat panel lamp of the present utility model;
FIG. 4 is a cross-sectional view of a "V" shaped diffusing groove of a low UGR side-emitting multi-color temperature flat panel lamp of the present utility model;
FIG. 5 is a cross-sectional view of a diffusion film of a low UGR side-emitting multi-color temperature flat panel lamp of the utility model;
FIG. 6 is a schematic diagram of the microcrystal plate structure of a low UGR side-emitting multi-color temperature flat lamp of the present utility model;
FIG. 7 is a schematic diagram of a prismatic sheet structure of a low UGR side-emitting multi-color temperature flat lamp of the present utility model;
the parts in the drawings are marked as follows:
1. outer frame, 2, light guide plate, 201, light inlet, 202, color changing layer, 203, light scattering groove, 3, reflector plate, 4, diffusion film, 401, diffusion particles, 5, microcrystalline plate, 501, microcrystalline unit, 6, prismatic plate, 601, diffusion prismatic crystal, 7, cushion, 8, backboard, 9, luminous lamp strip, 901 and LED lamp bead.
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 side-emitting multicolor flat lamp with a low UGR value in detail, which comprises an outer frame 1, wherein a light guide assembly and a diffusion assembly are sequentially arranged in the outer frame along the thickness direction, the light guide assembly sequentially comprises a reflecting sheet 3 and a light guide plate 2 along the thickness direction, and the diffusion assembly sequentially comprises a diffusion film 4, a microchip 5 and a prismatic crystal plate 6 along the thickness direction;
the light guide plate 2 includes 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 further disposed on a side of the body opposite to the light emitting surface, and a plurality of color-changing layers 202 are disposed on the light emitting side of the light emitting surface;
the light guide plate comprises a light guide plate, wherein a light emitting lamp strip 9 is arranged on the outer side of the light incident surface of the light guide plate, the light emitting side of the light emitting lamp strip is contacted with the light incident surface of the light guide plate, and light rays diffused by the light emitting lamp strip enter the light guide plate through the light incident surface to be refracted and diffused.
Further, the color-changing layer 202 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 light-emitting light bar 9 is provided with a plurality of LED light beads 901, the light incident surface of the light guide plate is provided with a plurality of light guide portions 201, the light guide portions include a plurality of light diffusion grooves 203 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 dispersion groove 203 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 dispersion groove 203 is a convex arc with two symmetrical ends, and the convex arcs at the two ends are connected to form an arc shape.
Further, a plurality of microcrystalline units 501 arranged in an array are disposed on one side of the microchip 5, the microcrystalline units are in a quadrangular pyramid shape, and the bottom surface of the microcrystalline units is connected with the side surface of the microchip.
Further, the light guide plate 2 is a polymethyl methacrylate plate or a general-purpose polystyrene plate or a polycarbonate plate or a polyethylene terephthalate resin plate.
Further, a plurality of prismatic diffusion prisms 601 arranged in an array are disposed on one side surface of the prism plate 6.
Further, the diffusion film 4 includes a plurality of diffusion particles 401 disposed therein, and the light refractive index of the diffusion particles is different from that of the diffusion film.
According to the side-emitting multicolor temperature flat lamp with the low UGR value, 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 side-emitting multicolor flat lamp with low UGR value of the utility model makes the light emitted by the light-emitting lamp strip refract and diffuse through the light-diffusing groove arranged on the light-entering surface of the light-guiding plate, and further refracts through the diffusion film arranged on one side of the light-emitting surface of the light-guiding plate, and controls the value of the glare index (UGR) to be less than 16 through the diffusion unit of the microcrystal plate and the repeated refraction and diffusion of the prismatic crystal plate.
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. A low UGR value side-emitting multi-color temperature flat panel lamp, characterized by: the light guide assembly comprises a reflecting sheet and a light guide plate in sequence along the thickness direction, and the diffusion assembly comprises a diffusion film, a microchip and a prismatic crystal plate in sequence along the thickness direction;
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 one side of the light guide plate opposite to 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 guide plate comprises a light guide plate, wherein a light emitting lamp strip is arranged on the outer side of a light incident surface of the light guide plate, the light emitting side of the light emitting lamp strip is contacted with the light incident surface of the light guide plate, and light rays diffused by the light emitting lamp strip enter the light guide plate through the light incident surface to be refracted and diffused.
2. A low UGR value side emitting multi-color temperature flat panel lamp as recited in 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.
3. A low UGR value side emitting multi-color temperature flat panel lamp as recited in 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.
4. A low UGR value side emitting multi-color temperature flat panel lamp as recited in claim 3 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.
5. The side-emitting multi-color temperature flat lamp with low UGR value as claimed in claim 1, wherein a side surface of the microchip is provided with a plurality of micro-crystal units arranged in an array, the micro-crystal units are in a quadrangular pyramid shape, and a bottom surface of the micro-crystal unit is connected with the side surface of the microchip.
6. The low UGR value side emitting multi-color temperature flat panel lamp as recited in claim 1, wherein said light guide plate is a polymethyl methacrylate plate or a general-purpose polystyrene plate or a polycarbonate plate or a polyethylene terephthalate resin plate.
7. The low UGR value side emitting multi-color temperature flat panel lamp as recited in claim 1, wherein a side surface of the prismatic panel is provided with a plurality of triangular prism shaped diffusing prisms arranged in an array.
8. The low UGR value side emitting multi-color temperature flat panel lamp as recited in claim 1, wherein said diffusion film comprises a plurality of diffusion particles disposed within the film, wherein a light refractive index of said diffusion particles is different from a light refractive index of said diffusion film.
9. The low UGR value side emitting multi-color temperature flat lamp as recited in 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 with the outer frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222765209.XU CN219198915U (en) | 2022-10-18 | 2022-10-18 | Low UGR value side-emitting multicolor temperature flat lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222765209.XU CN219198915U (en) | 2022-10-18 | 2022-10-18 | Low UGR value side-emitting multicolor temperature flat lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219198915U true CN219198915U (en) | 2023-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222765209.XU Active CN219198915U (en) | 2022-10-18 | 2022-10-18 | Low UGR value side-emitting multicolor temperature flat lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219198915U (en) |
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- 2022-10-18 CN CN202222765209.XU patent/CN219198915U/en active Active
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