CN219943498U - Uniform light emitting device - Google Patents
Uniform light emitting device Download PDFInfo
- Publication number
- CN219943498U CN219943498U CN202320803313.5U CN202320803313U CN219943498U CN 219943498 U CN219943498 U CN 219943498U CN 202320803313 U CN202320803313 U CN 202320803313U CN 219943498 U CN219943498 U CN 219943498U
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- China
- Prior art keywords
- light
- transmitting plate
- frame
- emitting device
- reflecting
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- 238000009792 diffusion process Methods 0.000 claims abstract description 26
- 239000011324 bead Substances 0.000 claims abstract description 24
- 238000009826 distribution Methods 0.000 claims abstract description 16
- 239000011049 pearl Substances 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 2
- 238000007747 plating Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003631 expected effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Led Device Packages (AREA)
Abstract
The utility model discloses a uniform light emitting device, which comprises a frame, wherein a cover plate, a gasket, a reflecting sheet, a light-transmitting plate and a diffusing sheet are sequentially stacked in the frame from top to bottom, LED lamp strips are respectively arranged around the light-transmitting plate, a plurality of lamp beads are uniformly distributed on the LED lamp strips at intervals, reflecting films are further plated on the periphery of the light-transmitting plate at intervals, and the reflecting films and the lamp beads are staggered; the reflecting film plated on the light-transmitting plate prevents light emitted by the lamp beads from scattering around the light-transmitting plate, the light emitted to the upper side of the light-transmitting plate is refracted to the diffusion sheet by the light-reflecting sheet, the diffusion sheet improves the uniformity of light energy distribution, and the light-transmitting plate, the light-reflecting sheet and the diffusion sheet cooperate to ensure that the light energy distribution is more uniform while the adjacent lamp beads are sufficiently spaced, and the light-reflecting sheet can diffuse received light, so that the light energy distribution after being reflected by the light-reflecting sheet is more uniform.
Description
Technical Field
The utility model relates to the technical field of optical curing equipment, in particular to a uniform light emitting device.
Background
Along with the rapid development of related technologies of laser and optical fiber, related products of the laser are mature and the commercialization degree is improved continuously, more and more types of products are needed, pre-curing and curing are needed in the process of combining various optical parts, and the gluing in the conventional curing means at present means that ultraviolet light glue is cured by using specific wavelength of a UV lamp and irradiating for different time.
In the actual production process of the optical product, the product to be processed is glued on the backing plate and then processed, in the gluing process, the curing strength of glue is required to be strictly controlled, the situation of overtightening or overtightening is avoided, the processed product cannot be taken down due to overtightening, and the product is easy to fall off in the processing process due to overtightening, so that the expected effect cannot be achieved; in the curing process of finished products, a UV lamp box is usually used, the light energy distribution emitted by an LED lamp of a traditional UV lamp box is not uniform enough, the products in the same batch are placed at different positions, and a series of indexes such as the size, the parallelism, the wavefront and the like of the cured products are inconsistent in the same time, so that poor processing of the products is caused.
The uniformity of light energy distribution is improved through the mode of densely mounting LED lamp beads in the existing partial UV lamp box, but the welding requirement of the mode on the LED lamp beads is higher, and because the interval between adjacent LED lamp beads is too close, the heating is serious, the service life of the LED lamp beads is shortened, and the use cost of the UV lamp box is obviously improved.
There is therefore a need for a uniform light extraction device that addresses the above-described problems.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides a uniform light emitting device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a even light emitting device, includes the frame, from top to bottom stacks apron, gasket, reflection of light piece, light-transmitting plate and diffusion piece in proper order in the frame, the light-transmitting plate is provided with the LED lamp area around respectively, equidistant distribution has a plurality of lamp pearls on the LED lamp area, the still interval plating around the light-transmitting plate is equipped with the reflectance coating, the reflectance coating with the lamp pearl staggers and sets up.
The reflecting film plated on the light-transmitting plate prevents light emitted by the lamp beads from scattering around the light-transmitting plate, the reflecting sheet deflects the light emitted to the upper side of the light-transmitting plate to the diffusion sheet, the diffusion sheet improves the uniformity degree of light energy distribution, and the light-transmitting plate, the reflecting sheet and the diffusion sheet are matched to ensure that the light energy distribution is more uniform while the sufficient interval between adjacent lamp beads is ensured.
Preferably, a plurality of round holes are uniformly distributed on the lower surface of the reflecting sheet facing the light-transmitting plate, and the round holes are arranged in a matrix.
The round holes on the reflecting sheet can diffuse received light rays, so that the light energy distribution after being reflected by the reflecting sheet is more uniform.
Preferably, the upper surface of the diffusion sheet facing the light-transmitting plate is a polished surface, and the lower surface of the diffusion sheet facing away from the light-transmitting plate is a frosted surface.
The diffusion sheet can diffuse incident light in a large angle range, so that light energy distribution is more uniform.
Preferably, the gasket is an elastic gasket, the cover plate is fixed on the frame through a fastener, and the gasket is used for being matched with the frame to protect the reflecting sheet, the light-transmitting plate and the diffusion sheet, so that the reflecting sheet, the light-transmitting plate or the diffusion sheet are prevented from being damaged due to the fact that the cover plate is pressed.
Preferably, the frame is rectangle, the frame sets up in the lamp house, the lamp house encircles the reflective material has been laid around the frame.
The reflective material can reflect light scattered into the lamp box after passing through the diffusion sheet, so that the uniformity of the light energy distribution of the equipment is further improved.
Preferably, the LED lamp area is four altogether, the LED lamp area is fixed respectively four sides of frame, through setting up many the LED lamp area, conveniently can change alone when maintaining has the lamp pearl damage the LED lamp area.
Preferably, the lamp beads are welded on an aluminum substrate of the LED lamp strip, and heat conduction silica gel is smeared between the lamp beads and the aluminum substrate, so that the heat dissipation of the lamp beads is facilitated.
Compared with the prior art, the utility model has the beneficial effects that:
(1) The reflecting film plated on the light-transmitting plate prevents light emitted by the lamp beads from scattering around the light-transmitting plate, the reflecting sheet refracts the light emitted to the upper side of the light-transmitting plate to the diffusing sheet, the diffusing sheet improves the uniformity of light energy distribution, and the light-transmitting plate, the reflecting sheet and the diffusing sheet cooperate to ensure that the light energy distribution is more uniform while ensuring enough intervals between adjacent lamp beads.
(2) The round holes on the reflecting sheet can spread the received light, so that the light energy reflected by the reflecting sheet is more uniformly distributed.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a light-transmitting plate according to the present utility model;
FIG. 3 is a schematic view of an LED light strip according to the present utility model;
FIG. 4 is a schematic view of a reflective sheet according to the present utility model;
in the figure: 1. a light-transmitting plate; 101. a reflective film; 2. an LED lamp strip; 201. a lamp bead; 3. a diffusion sheet; 4. a reflective sheet; 401. a round hole; 5. a gasket; 6. a frame; 7. and a cover plate.
Detailed Description
The following description of the embodiments of the present utility model will be made more apparent and fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by one of ordinary skill in the art without undue burden on the person of ordinary skill in the art based on embodiments of the present utility model, are within the scope of the present utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "middle", "upper", "lower", "left", "right", "inner", "outer", 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 apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
As shown in fig. 1 to 4, the specific scheme of the embodiment is as follows: the utility model provides a even light emitting device, includes frame 6, has stacked apron 7, gasket 5, reflection of light piece 4, light-transmitting plate 1 and diffusion piece 3 from top to bottom in proper order in the frame 6, and light-transmitting plate 1 is provided with LED lamp area 2 all around respectively, and equidistant distribution has a plurality of lamp pearls 201 on the LED lamp area 2, and reflection film 101 has still been plated to the interval all around of light-transmitting plate 1, and reflection film 101 and lamp pearl 201 stagger the setting.
Specifically, the reflective films 101 are also disposed at equal intervals, and the gap between adjacent reflective films 101 is not smaller than the diameter of the lamp bead 201.
Specifically, a plurality of round holes 401 are uniformly distributed on the lower surface of the reflecting sheet 4 facing the light-transmitting plate 1, the round holes 401 are arranged in a matrix, the round holes 401 are hemispherical, the distances between adjacent round holes 401 are the same, and the round holes 401 of the reflecting sheet 4 diverge the received light to the light-transmitting plate 1 by utilizing the principle of a spherical mirror.
Specifically, the upper surface of the diffusion sheet 3 facing the light-transmitting plate 1 is a polished surface, the lower surface of the diffusion sheet 3 facing away from the light-transmitting plate 1 is a frosted surface, and the angle and the light transmittance of diffusion light of the frosted surface are changed by changing the mesh number of fine sand of the frosted surface.
Specifically, the gasket 5 is an elastic gasket 5, and the cover plate 7 is fixed on the frame 6 through screws.
Specifically, the frame 6 is the rectangle, is equipped with the circular bead that is used for supporting apron 7, gasket 5, reflection of light piece 4, light-transmitting plate 1 and diffusion piece 3 in the frame 6, and the frame 6 sets up in the lamp house, and the lamp house encircles the frame 6 and has laid reflective material all around.
Specifically, the number of the LED lamp strips 2 is four, and the LED lamp strips 2 are respectively fixed on four side edges of the frame 6.
Specifically, the lamp bead 201 is welded on the aluminum substrate of the LED lamp strip 2, and heat-conducting silica gel is smeared between the lamp bead 201 and the aluminum substrate.
Specifically, the principle of the utility model for making the light energy distribution more uniform is as follows:
the light emitted by the lamp beads 201 firstly enters the light-transmitting plate 1 through the gap between the adjacent reflecting films 101, at the moment, only part of the light is directly diffused by the diffusion sheet 3 and then emitted, the rest of the light can meet the reflecting films 101 or the reflecting sheets 4, the reflecting films 101 enable the light to be reflected in the light-transmitting plate 1 for multiple times until the reflected light is diffused by the diffusion sheet 3 and then emitted or meets the reflecting sheets 4, in the process, the round holes 401 of the reflecting sheets 4 can utilize the principle of a spherical mirror to enable the light meeting the reflecting sheets 4 to be reflected and then emitted to the diffusion sheet 3 through the light-transmitting plate 1, and finally most of the light emitted by the lamp beads 201 is uniformly diffused through the diffusion sheet 3, so that the light is prevented from being scattered to the periphery of the light-transmitting plate 1 and being unable to be emitted to the area needing to be solidified.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a even light emitting device, includes the frame, its characterized in that, from top to bottom stacks apron, gasket, reflection of light piece, light-transmitting plate and diffusion piece in proper order in the frame, the light-transmitting plate is provided with the LED lamp area respectively all around, equidistant distribution has a plurality of lamp pearls on the LED lamp area, the still interval plating around the light-transmitting plate has the reflectance coating, the reflectance coating with the lamp pearl staggers and sets up.
2. The uniform light-emitting device according to claim 1, wherein a plurality of round holes are uniformly distributed on the lower surface of the reflective sheet facing the light-transmitting plate, and the round holes are arranged in a matrix.
3. The uniform light-emitting device according to claim 1, wherein an upper surface of the diffusion sheet facing the light-transmitting plate is a polished surface, and a lower surface of the diffusion sheet facing away from the light-transmitting plate is a frosted surface.
4. The uniform light-emitting device according to claim 1, wherein the gasket is an elastic gasket, and the cover plate is fixed on the frame by a fastener.
5. The uniform light-emitting device according to claim 1, wherein the frame is rectangular, the frame is arranged in a light box, and the light box is laid with reflective materials around the frame.
6. The uniform light extraction device according to claim 5, wherein the total of four LED strips are fixed to four sides of the bezel.
7. The uniform light-emitting device according to claim 1, wherein the lamp beads are welded on an aluminum substrate of the LED lamp strip, and heat-conducting silica gel is smeared between the lamp beads and the aluminum substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320803313.5U CN219943498U (en) | 2023-04-12 | 2023-04-12 | Uniform light emitting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320803313.5U CN219943498U (en) | 2023-04-12 | 2023-04-12 | Uniform light emitting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219943498U true CN219943498U (en) | 2023-11-03 |
Family
ID=88555640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320803313.5U Active CN219943498U (en) | 2023-04-12 | 2023-04-12 | Uniform light emitting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219943498U (en) |
-
2023
- 2023-04-12 CN CN202320803313.5U patent/CN219943498U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |