CN204345370U - Diffuse reflection led flat lamp - Google Patents
Diffuse reflection led flat lamp Download PDFInfo
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- CN204345370U CN204345370U CN201520046427.5U CN201520046427U CN204345370U CN 204345370 U CN204345370 U CN 204345370U CN 201520046427 U CN201520046427 U CN 201520046427U CN 204345370 U CN204345370 U CN 204345370U
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- diffuse reflection
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Abstract
The utility model discloses a kind of diffuse reflection LED flat lamp, comprise bonnet, reflecting plate, light guide plate, diffuser plate, LED light source and frame, LED light source is strip and is connected to the inwall of frame, bonnet, reflecting plate, light guide plate and diffuser plate to be embedded in frame and to be arranged in order, clearance layer is provided with between light guide plate and diffuser plate, light guide plate and diffuser plate are provided with diffuse reflection projection, and diffuse reflection projection is arranged on light guide plate and diffuser plate relative inner.Between light guide plate and diffuser plate, clearance layer is set, and the light guide plate surface relative with diffuser plate is provided with diffuse reflection projection, protruding by diffuse reflection, light on light guide plate is made passing out light guide plate, carry out diffuse reflection diffusion, expose to uniformly on diffuser plate, the protruding second time of being carried out by the light received of the diffuse reflection on recycling diffuser plate spreads, make the light of LED flat lamp entirety evenly.
Description
Technical field
The utility model relates to field of LED illumination, is specifically related to a kind of diffuse reflection LED flat lamp.
Background technology
In recent years, to have light efficiency high because of it for LED light source, and cost is low, and pollution-free, meets the advantages such as national energy-saving environmental protection theme, is more and more subject to the favor of people.The features such as LED flat lamp does not expose with its light source, free from glare, and light is soft, even, the application in normal lighting etc. is more and more extensive.Existing LED flat lamp, mostly is the illuminated LED panel lamp in side, and its illumination principle is: light source irradiates inward from the both sides of light guide plate or four limits, and light is after light guide plate, and light runs light to changing, and upwards scattering, re-uses diffuser plate and be atomized.
Chinese patent 201120185599.2 1 kinds of LED flat lamp, it comprises light fixture frame, in described light fixture frame, several LED light sources are set, cooperated with LED light source is provided with light-transmitting component on light fixture frame, described light-transmitting component posts diffusion barrier, described diffusion barrier surface is provided with three-D pattern, the light of the LED light source outgoing of above-mentioned LED flat lamp, scattering is there is on diffusion barrier surface, disseminate out uniformly by soft for light, make emergent light evenly, not only structure is simple, and cost is low, lightweight, better light efficiency can be realized.
Utility model content
For the deficiencies in the prior art, the utility model provides a kind of diffuse reflection LED flat lamp, can the diffuse reflection of simple realization light guide plate glazed thread on diffuser plate, make the light of LED flat lamp more even, to avoid occurring on light leak, diffuser plate the problems such as brightness irregularities.
For achieving the above object, the utility model provides following technical scheme: a kind of diffuse reflection LED flat lamp, comprise bonnet, reflecting plate, light guide plate, diffuser plate, LED light source and frame, LED light source is strip and is connected to the inwall of frame, bonnet, reflecting plate, light guide plate and diffuser plate to be embedded in frame and to be arranged in order, clearance layer is provided with between light guide plate and diffuser plate, light guide plate and diffuser plate are provided with diffuse reflection projection, and diffuse reflection projection is arranged on light guide plate and diffuser plate relative inner.
By adopting technique scheme, because LED light source is arranged on the inwall of frame, when by bonnet, reflecting plate, when light guide plate and diffuser plate are mounted in frame, the light that LED light source sends conducts on diffuser plate by light guide plate, diffuser plate is utilized to be spread apart by the light of LED light source, the light that LED flat lamp is sent is after diffuser plate, formed evenly, soft, the stabilized light source of free from glare, but because LED light source is arranged on the inwall of frame, when light is passed on diffuser plate by light guide plate, the avris light of frame can be caused brighter, the situation of middle part dark, therefore, clearance layer is provided with between light guide plate and diffuser plate, and light guide plate and diffuser plate are provided with diffuse reflection projection, protruding by diffuse reflection, by light that light guide plate transmits out through diffuse reflection, be diffused into uniformly on diffuser plate, pass through diffuser plate again, light is spread apart, form free from glare, stable, the light of brightness uniformity.
The utility model is set to further, and diffuse reflection projection is in dome-type, and diameter is less than the thickness of clearance layer.
By adopting technique scheme, when light is dispersed out from the diffuse reflection projection of dome-type, the shape of dome-type can make diffuse reflection in the more uniform peripherad space of light go out, make light entirety more even, the diffuse reflection being simultaneously also provided with dome-type on the surface of diffuser plate is protruding, the light dispersing out from light guide plate is received by diffuse reflection projection, light can be made when being delivered on diffuser plate, protruding by diffuse reflection, light is spread apart further on diffuser plate, astigmatism evenly, make overall light source evenly, simultaneously, the diameter of dome-type diffuse reflection projection is less than the thickness of clearance layer, make that there is between light guide plate and diffuser plate enough spaces, make light from diffuse reflection in the diffuse reflection projection of light guide plate out time, can spread apart in space towards periphery, ensure effective diffusion of light.
The utility model is set to further, and diffuse reflection projection is evenly distributed on light guide plate and diffuser surface, and the line of mutually close four diffuse reflection dome hearts forms square after joining end to end.
By adopting technique scheme, be evenly distributed on light guide plate and diffuser surface, the light that LED light source sends can be made, after the transmission of light guide plate, light guide plate surface produces diffuse reflection uniformly, the light that exposes on diffuser plate can be made more even, avoid hot spot, the phenomenon of light and shade inequality, circle center line connecting is foursquare setting simultaneously, light guide plate can be made when there is diffuse reflection, some light exposes on diffuser plate by burnishing surface, and some reflection by burnishing surface when passing through burnishing surface, continue to transmit in light guide plate, make uniform light in light guide plate, decrease near LED light source place and the deviation away from LED light source place light intensity.
The utility model is set to further, and the foursquare length of side is greater than the twice of diffuse reflection projection diameter.
By adopting technique scheme, the foursquare length of side being arranged to the twice being greater than diffuse reflection projection diameter, making on the surface of light guide plate and diffuser plate, occurring irreflexive while, can also transmit light, make the overall conduction to light better, light is more stable.
The utility model is set to further, and the diffuse reflection raised position on the protruding and diffuser plate of diffuse reflection on light guide plate staggers setting.
By adopting technique scheme, stagger setting in position, diffuse reflection light out on light guide plate can be made to receive through being arranged on the projection of the diffuse reflection on diffuser plate, make the diffuse reflection of light and reception evenly, overall light is from after diffuser plate shines out, evenly surface does not have the phenomenons such as light and shade inequality and dazzle.
The utility model is set to further, and the diffuse reflection raised position on light guide plate is oppositely arranged on the foursquare center that on diffuser plate, diffuse reflection projection is formed.
By adopting technique scheme, when light is dispersed out from the diffuse reflection projection light guide plate, can spread out uniformly, and the diffuse reflection projection on diffuser plate better can receive diffuse reflection light out in diffuse reflection projection on mutually close 4 light guide plates, and can light entered between diffuser plate, carry out a diffuse reflection again, make diffuser plate better to the diffusion effect of light, make integrated light source evenly.
Compared with prior art, between light guide plate and diffuser plate, clearance layer is set, and the light guide plate surface relative with diffuser plate is provided with diffuse reflection projection, protruding by diffuse reflection, light on light guide plate is made passing out light guide plate, carries out diffuse reflection diffusion, expose to uniformly on diffuser plate, the protruding second time of being carried out by the light received of diffuse reflection on recycling diffuser plate spreads, make the light of LED flat lamp entirety evenly.
Accompanying drawing explanation
Fig. 1 is the utility model diffuse reflection LED flat lamp explosive view;
Fig. 2 is diffuse reflection LED flat lamp partial sectional view;
Fig. 3 is light guide plate (diffuser plate) front view.
Reference numeral: 1, frame; 2, LED light source; 3, bonnet; 4, reflecting plate; 5, light guide plate; 6, diffuser plate; 7, diffuse reflection is protruding; 8, clearance layer.
Detailed description of the invention
Referring to figs. 1 through Fig. 3, the utility model diffuse reflection LED flat lamp embodiment is described further.
As shown in Figure 1, a kind of diffuse reflection LED flat lamp, comprises frame 1, the inwall of frame 1 is provided with LED light source 2, and in frame 1, is arranged in order and is inlaid with bonnet 3, reflecting plate 4, light guide plate 5 and diffuser plate 6.Because LED light source 2 is arranged on the inwall of frame 1, when by bonnet 3, reflecting plate 4, when light guide plate 5 and diffuser plate 6 are mounted in frame 1, the light that LED light source 2 sends conducts on diffuser plate 6 by light guide plate 5, diffuser plate 6 is utilized to be spread apart by the light of LED light source 2, the light that LED flat lamp is sent is after diffuser plate 6, formed evenly, soft, the stabilized light source of free from glare, but because LED light source 2 is arranged on the inwall of frame 1, when light is passed on diffuser plate 6 by light guide plate 5, the avris light of frame 1 can be caused brighter, the situation of middle part dark.Be provided with clearance layer 8 between light guide plate 5 and diffuser plate 6, light guide plate 5 and diffuser plate 6 are provided with diffuse reflection projection 7, diffuse reflection projection 7 is arranged on light guide plate 5 and diffuser plate 6 relative inner.Therefore, clearance layer 8 is provided with between light guide plate 5 and diffuser plate 6, and light guide plate 5 is provided with diffuse reflection projection 7 on the side of diffuser plate 6, the side that diffuser plate 6 drives light guide plate 5 into is also provided with and protruding 7 shapes of diffuse reflection on light guide plate 5, the diffuse reflection projection 7 that size is identical, the light that light guide plate 5 transmits out is when diffusing out from diffuse reflection projection 7, unrestrained transmitting can be there is to surrounding, what make uniform light is diffused on diffuser plate 6, again by diffuser plate 6, light is spread apart, form free from glare, stable, the light of brightness uniformity, simultaneously, the side of the relative light guide plate 5 of diffuser plate 6 is also provided with diffuse reflection projection 7, when deriving next light from light guide plate 5 after clearance layer 8, when exposing on diffuser plate 6, by the diffuse reflection projection 7 on diffuser plate 6, angle when light enters diffuser plate 6 can be changed, make the diffusion of diffuser plate 6 pairs of light more abundant.
Preferably, frame 1 adopts aluminium section bar to make, there is good thermal conductivity, therefore, be arranged at LED light source 2 on the inwall of frame 1, the frame 1 made by aluminium section bar, LED light source 2 can be made in luminescence work, the heat of generation to be distributed by aluminium section bar, make the temperature of LED light source 2 entirety lower, increase the service life of LED flat lamp entirety.And, bonnet 3 for capping LED flat lamp also adopts aluminum to make, and be fixedly connected with frame 1, LED is stared at circle be mounted to frame 1 inwall after, diffuser plate 6, light guide plate 5, reflecting plate 4 are inlayed successively and are mounted to after in frame 1, bonnet 3 is fixedly installed on frame 1, completes the installation to LED flat lamp entirety.Light guide plate 5 adopts optical grade acrylic board to make, light is when intermediate conduction, by the guide-lighting site of inside, light can be made to spread to all angles, then destroy conditioned reflex, penetrate from light guide plate 5 front, the back side of light guide plate 5 is provided with reflector, makes the light penetrated from the back side after reflecting plate 4, then enter in light guide plate 5, improve the utilization rate to LED light source 2, reduce light energy losses.Further, diffuser plate 6 adopts polymethacrylates (PMMA) material to make, replace simple glass, as the diffuser plate 6 of LED flat lamp, when light passes through from inside, run into the medium different with its refractive index, namely during diffusion particle, the phenomenon of multi-angle, multidirectional refraction, reflection and scattering can be there is, reach the effect of light diffusion.
Further, diffuse reflection protruding 7 is in dome-type, when light is dispersed out from the diffuse reflection projection 7 of dome-type, the shape of dome-type can make diffuse reflection in the more uniform peripherad space of light go out, make light entirety more even, also be provided with the diffuse reflection projection 7 of dome-type on the surface of diffuser plate 6 simultaneously, the light dispersing out from light guide plate 5 is received by diffuse reflection projection 7, light can be made when being delivered on diffuser plate 6, by diffuse reflection projection 7, light is spread apart further on diffuser plate 6, astigmatism evenly, make overall light source evenly.Simultaneously, the diameter of dome-type diffuse reflection projection 7 is less than the thickness of clearance layer 8, make, between light guide plate 5 and diffuser plate 6, there is enough spaces, make light from diffuse reflection in the diffuse reflection projection 7 of light guide plate 5 out time, can spread apart in space towards periphery, ensure effective diffusion of light, and diffuse reflection light is out when in clearance layer 8, diffuse reflection is come on light guide plate 5, there are enough spaces, light can be made more even when being irradiated on diffuser plate 6, utilizing the diffuse reflection projection 7 on diffuser plate 6 surface, and diffuser plate 6 itself, to the diffusion that light carries out again, make the lighting effect of LED flat lamp entirety evenly, there is not light and shade hot spot, the phenomenon such as striped and dazzle.
Meanwhile, diffuse reflection projection 7 is evenly distributed on light guide plate 5 and diffuser plate 6 on the surface, and the line of mutually close four diffuse reflection dome hearts forms square after joining end to end, and the foursquare length of side is greater than the twice of protruding 7 diameters of diffuse reflection.
Be evenly distributed on light guide plate 5 and diffuser plate 6 surface, the light that LED light source 2 sends can be made, after the transmission of light guide plate 5, diffuse reflection is produced uniformly on the surface at light guide plate 5, the light that exposes on diffuser plate 6 can be made more even, after connecting successively with the center of circle of close 4 the diffuse reflection projections 7 of phase, line is in square, namely 4 diffuse reflection projections 7 are distributed in foursquare four drift angle places, light guide plate 5 can be made when there is diffuse reflection, not only occur diffuse reflection evenly, a part of light can also be made to be expose on diffuser plate 6 by burnishing surface, and some reflection by burnishing surface when passing through burnishing surface, continue to transmit in light guide plate 5, light guide plate 5 can be conducted light, decrease near LED light source 2 place and the deviation away from LED light source 2 place light intensity.Meanwhile, the foursquare length of side is arranged to the twice being greater than protruding 7 diameters of diffuse reflection, makes on the surface of light guide plate 5 and diffuser plate 6, occurring irreflexive while, can also transmit light, and make the overall conduction to light better, light is more stable.
In order to improve the uniformity that between light guide plate 5 and diffuser plate 6, light spreads, to be staggered in protruding for diffuse reflection on protruding for diffuse reflection on light guide plate 57 and diffuser plate 67 positions setting, preferably, protruding 7 positions of the diffuse reflection on light guide plate 5 are oppositely arranged on the foursquare center that on diffuser plate 6, diffuse reflection protruding 7 is formed.When light is dispersed out from the diffuse reflection projection 7 light guide plate 5, can spread out uniformly, and the diffuse reflection projection 7 on diffuser plate 6 better can receive diffuse reflection light out in diffuse reflection projection 7 on mutually close 4 light guide plates 5, and the light irradiating out by burnishing surface on light guide plate 5 also preferentially can carry out diffuse reflection diffusion by the diffuse reflection projection 7 on diffuser plate 6, by in diffuser plate 6, again spread apart by insulating particles, ensure the even of light.
The above is only preferred embodiment of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and all technical schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (6)
1. a diffuse reflection LED flat lamp, comprise bonnet, reflecting plate, light guide plate, diffuser plate, LED light source and frame, described LED light source is strip and is connected to the inwall of frame, described bonnet, reflecting plate, light guide plate and diffuser plate to be embedded in frame and to be arranged in order, it is characterized in that: between described light guide plate and described diffuser plate, be provided with clearance layer, described light guide plate and diffuser plate are provided with diffuse reflection projection, and described diffuse reflection projection is arranged on light guide plate and diffuser plate relative inner.
2. diffuse reflection LED flat lamp according to claim 1, is characterized in that: described diffuse reflection projection is in dome-type, and diameter is less than the thickness of clearance layer.
3. diffuse reflection LED flat lamp according to claim 2, is characterized in that: described diffuse reflection projection is evenly distributed on light guide plate and diffuser surface, and the line of mutually close four diffuse reflection dome hearts forms square after joining end to end.
4. diffuse reflection LED flat lamp according to claim 3, is characterized in that: the described foursquare length of side is greater than the twice of diffuse reflection projection diameter.
5. diffuse reflection LED flat lamp according to claim 4, is characterized in that: the diffuse reflection raised position on the protruding and diffuser plate of diffuse reflection on described light guide plate staggers setting.
6. diffuse reflection LED flat lamp according to claim 5, is characterized in that: the diffuse reflection raised position on described light guide plate is oppositely arranged on the foursquare center that on diffuser plate, diffuse reflection projection is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520046427.5U CN204345370U (en) | 2015-01-23 | 2015-01-23 | Diffuse reflection led flat lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520046427.5U CN204345370U (en) | 2015-01-23 | 2015-01-23 | Diffuse reflection led flat lamp |
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| Publication Number | Publication Date |
|---|---|
| CN204345370U true CN204345370U (en) | 2015-05-20 |
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ID=53228638
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520046427.5U Expired - Fee Related CN204345370U (en) | 2015-01-23 | 2015-01-23 | Diffuse reflection led flat lamp |
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| Country | Link |
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| CN (1) | CN204345370U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150844A (en) * | 2017-09-13 | 2018-06-12 | 奥普家居股份有限公司 | A kind of brightness is in the multiple light courcess panel light of level distribution |
| CN109404763A (en) * | 2018-11-02 | 2019-03-01 | 昆山钧沃光电有限公司 | A kind of uniform LED light source of portable adjustable color temperature |
| WO2020082725A1 (en) * | 2018-10-25 | 2020-04-30 | 昆山市诚泰电气股份有限公司 | Novel led panel lamp |
| WO2022002264A1 (en) * | 2020-07-03 | 2022-01-06 | 苏州欧普照明有限公司 | Side-lit panel light |
| CN109404763B (en) * | 2018-11-02 | 2024-10-22 | 昆山钧沃光电有限公司 | Portable adjustable uniform temperature LED light source |
-
2015
- 2015-01-23 CN CN201520046427.5U patent/CN204345370U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150844A (en) * | 2017-09-13 | 2018-06-12 | 奥普家居股份有限公司 | A kind of brightness is in the multiple light courcess panel light of level distribution |
| WO2020082725A1 (en) * | 2018-10-25 | 2020-04-30 | 昆山市诚泰电气股份有限公司 | Novel led panel lamp |
| CN109404763A (en) * | 2018-11-02 | 2019-03-01 | 昆山钧沃光电有限公司 | A kind of uniform LED light source of portable adjustable color temperature |
| CN109404763B (en) * | 2018-11-02 | 2024-10-22 | 昆山钧沃光电有限公司 | Portable adjustable uniform temperature LED light source |
| WO2022002264A1 (en) * | 2020-07-03 | 2022-01-06 | 苏州欧普照明有限公司 | Side-lit panel light |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150520 Termination date: 20180123 |