CN204375789U - Rgb mixed light led white-light illuminating device - Google Patents
Rgb mixed light led white-light illuminating device Download PDFInfo
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- CN204375789U CN204375789U CN201520078957.8U CN201520078957U CN204375789U CN 204375789 U CN204375789 U CN 204375789U CN 201520078957 U CN201520078957 U CN 201520078957U CN 204375789 U CN204375789 U CN 204375789U
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Abstract
The utility model provides a kind of RGB mixed light LED white-light illuminating device, and for solving the undesirable problem of white light light mixing effect that existing RGB three-color LED sends, this illuminating device comprises support, RGB three-color LED chip, positioning convex and light guide plate; Support is provided with groove, and RGB three-color LED chip is located on the baseplane of groove; Positioning convex is located on the baseplane of groove, between RGB three-color LED chip; Light guide plate is umbrella and comprises umbrella handle and canopy, and umbrella handle is fixed on positioning convex, and canopy is fixed on umbrella handle, and canopy is positioned at above groove, RGB three-color LED chip; Described light guide plate is provided with cellular groove structure as the inner surface of incidence surface.RGB mixed light LED white-light illuminating device of the present utility model has and does not send that light does not present graininess, light is soft, white light is purer and dazzling and assemble advantage simply and easily.
Description
Technical field
The utility model relates to LED lamp field, particularly relates to a kind of RGB mixed light LED white-light illuminating device.
Background technology
At present, realize in three kinds of main method of white light at LED, by the three primary colors multi-chip group of RGB (hereinafter referred to as RGB) LED and the method for luminous synthesize white light is high with its efficiency, colour temperature is controlled, color rendering is good feature, become the favorite of the special lighting application persons such as stage, coffee shop or exquisite sensual pleasure place.
The RGB mixed light LED white-light illuminating device that market generally uses is as shown in Figure 1: comprise support 1 and R, G, B three-color LED chip 2, support 1 is provided with groove 11, RGB three-color LED chip 2 and is located on the baseplane 111 of groove 11; Luminescence because of LED is concentrated and is had one-way, three coloured light that three-color LED chip in this kind of RGB white-light illuminating light fixture sends can not be well mixed, the white light that different viewing angles is observed is with different base colors, namely white light is pure not, light mixing effect is undesirable, causes the white light that white light quality sends not as fluorescent lamp.
Utility model content
In order to overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of RGB mixed light LED white-light illuminating device, for solving the undesirable problem of white light light mixing effect that existing RGB three-color LED sends.
For solving the problem, the technical scheme that the utility model adopts is as follows:
A kind of RGB mixed light LED white-light illuminating device, comprise support and RGB three-color LED chip, support is provided with groove, and the bottom of groove is a plane, and RGB three-color LED chip is located on the baseplane of groove; It also comprises positioning convex and light guide plate, and positioning convex is located on the baseplane of described groove, between described RGB three-color LED chip; Light guide plate is umbrella and comprises umbrella handle and canopy, and umbrella handle is fixed on positioning convex, and canopy is fixed on umbrella handle, and canopy is positioned at above described groove, RGB three-color LED chip, and the light that RGB three-color LED chip sends is mixed into uniform white light through light guide plate; Described light guide plate is provided with cellular groove structure as the inner surface of incidence surface.
Preferably, described canopy and described umbrella handle one-body molded, the end face of canopy is a plane.
Preferably, the incidence surface of described light guide plate is arc.
Preferably, described positioning convex is coniform, and the bottom surface of coniform positioning convex is fixed on the baseplane of described groove.
Preferably, the inwall of described groove is provided with reflection layer.
Preferably, described RGB three-color LED chip comprises a red LED chips, a green LED chip and a blue LED die.
Preferably, the canopy of described light guide plate in equilateral triangle, described RGB tri-color chip is placed in the scope that equilateral triangle covers.
Preferably, described positioning convex is located at the center of described equilateral triangle.
Preferably, the material that described support adopts is aluminium.
Preferably, described cellular groove structure is be fixed on the layer of silica gel in described light guide plate.Described cellular groove structure also can be the cellular groove of the Surface Machining in light guide plate.
Compared to existing technology, beneficial effect is:
The utility model is provided with a light guide plate for mixed light on the baseplane of groove, and this light guide plate three coloured light that fully hybrid RGB three-color LED chip sends can be white light and to make to send light more all even soft; In order to place location during light guide plate, being also provided with positioning convex, especially when the specification of device is smaller, huge effect can being played, make assembling simple and convenient; The light-emitting layer that groove inner wall is arranged can assemble light efficiency, reduces light loss; Light guide plate, can better dispersed incident ray as the cellular groove structure of the inner surface of incidence surface, and the light entering light guide plate is disperseed more, thus strengthening light mixing effect.This kind of RGB mixed light LED white-light illuminating device has and sends light not present graininess, light soft not dazzling and assemble advantage simply and easily.
Accompanying drawing explanation
Fig. 1 is the vertical view of prior art RGB mixed light LED white-light illuminating device.
Fig. 2 is the vertical view of the utility model preferably embodiment 1.
Fig. 3 is the sectional arrangement drawing of the utility model preferably embodiment 1.
Fig. 4 is the vertical view of the utility model preferably embodiment 2.
Description of reference numerals:
1, support; 2, RGB three-color LED chip; 3, light guide plate; 4, positioning convex; 5, honeycomb surface; 11, groove; 21, red LED chips; 22, green LED chip; 23, blue LED die; 31, umbrella handle; 32, canopy; 111, baseplane.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 2 and Figure 3, be the utility model preferably embodiment 1: a kind of RGB mixed light LED white-light illuminating device, comprise support 1, RGB three-color LED chip 2, positioning convex 4 and light guide plate 3, support 1 is aluminum frame.Support 1 is provided with groove 11, and the bottom of groove 11 is a plane, and the inwall of groove 11 is provided with the reflection layer assembling light efficiency; RGB three-color LED chip 2 is located on the baseplane 111 of groove 11, and RGB three-color LED chip 2 comprises a red LED chips 21, green LED chip 22 and a blue LED die 23; Positioning convex 4 is located at the center of bottom surface, and positioning convex 4 is coniform, and the bottom surface of coniform positioning convex 4 is fixed on the baseplane 111 of groove 11; Light guide plate 3 is umbrella and comprises umbrella handle 31 and canopy 32, canopy 32 is arranged on umbrella handle 31, canopy 32 is positioned at above groove 11, RGB three-color LED chip 2, in the scope that the canopy that RGB tri-color chip is placed in equilateral triangle covers, canopy 32 is one-body molded with umbrella handle 31, the end face of canopy 32 is a plane, and the incidence surface of light guide plate 3 is that cambered surface umbrella handle 31 is fixed on light guide plate 3 on positioning convex 4 and is white light for the light that hybrid RGB three-color LED chip 2 sends and plays guide-lighting effect.
In embodiment 1, positioning convex 4 is coniform, and light guide plate 3 is in umbrella, and the end face of light guide plate 3 is a plane, and the incidence surface of light guide plate 3 is cambered surface.In other embodiments, positioning convex 4 also can be other shapes such as cylindric, trapezoidal mesa-shaped; Light guide plate 3 also can be adjusted to other shape.Light guide plate is provided with cellular groove structure as the inner surface of incidence surface, and referring to Fig. 3, cellular groove structure is honeycomb surface 5.
As shown in Figure 4, for embodiment 2 of the present utility model, it is relative to the difference of embodiment 1: the baseplane 111 of groove 11 is square, RGB three-color LED chip 2 comprises two red LED chips, 21, green LED chip 22 and a blue LED die 23, two red LED chips 21 symmetries, and to be positioned over the inner side on square both sides, a green LED chip 22 and a blue LED die 23 staggered relatively in the inner side on the another both sides of square; Positioning convex 4 is located at foursquare center.
When using the utility model, the reflection layer of light on groove 11 inwall of three kinds of colors that RGB three-color LED chip 2 sends gathers in light guide plate 3, and light guide plate 3 derives after three Colored light mixings are refracted as soft white light.
Above-mentioned execution mode is only preferred implementation of the present utility model; can not limit the scope of the utility model protection with this, change and the replacement of any unsubstantiality that those skilled in the art does on basis of the present utility model all belong to the utility model scope required for protection.
Claims (10)
1. a RGB mixed light LED white-light illuminating device, comprise support and RGB three-color LED chip, support is provided with groove, and the bottom of groove is a plane, and RGB three-color LED chip is located on the baseplane of groove; It is characterized in that: also comprise positioning convex and light guide plate, positioning convex is located on the baseplane of described groove, between described RGB three-color LED chip; Light guide plate is umbrella and comprises umbrella handle and canopy, and umbrella handle is fixed on positioning convex, and canopy is fixed on umbrella handle, and canopy is positioned at above described groove, RGB three-color LED chip, and the light that RGB three-color LED chip sends is mixed into uniform white light through light guide plate; Described light guide plate is provided with cellular groove structure as the inner surface of incidence surface.
2. RGB mixed light LED white-light illuminating device according to claim 1, is characterized in that, described canopy and described umbrella handle one-body molded, the end face of canopy is a plane.
3. RGB mixed light LED white-light illuminating device according to claim 1, it is characterized in that, the incidence surface of described light guide plate is arc.
4. RGB mixed light LED white-light illuminating device according to claim 1, it is characterized in that, described positioning convex is coniform, and the bottom surface of coniform positioning convex is fixed on the baseplane of described groove.
5. RGB mixed light LED white-light illuminating device according to claim 1, it is characterized in that, the inwall of described groove is provided with reflection layer.
6. RGB mixed light LED white-light illuminating device according to claim 1, it is characterized in that, described RGB three-color LED chip comprises a red LED chips, a green LED chip and a blue LED die.
7. RGB mixed light LED white-light illuminating device according to claim 1, is characterized in that, the canopy of described light guide plate in equilateral triangle, described RGB tri-color chip is placed in the scope that equilateral triangle covers.
8. RGB mixed light LED white-light illuminating device according to claim 7, it is characterized in that, described positioning convex is located at the center of described equilateral triangle.
9. RGB mixed light LED white-light illuminating device according to claim 1, is characterized in that, the material that described support adopts is aluminium.
10. RGB mixed light LED white-light illuminating device according to claim 1, is characterized in that: described cellular groove structure is be fixed on the layer of silica gel in described light guide plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520078957.8U CN204375789U (en) | 2015-02-04 | 2015-02-04 | Rgb mixed light led white-light illuminating device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520078957.8U CN204375789U (en) | 2015-02-04 | 2015-02-04 | Rgb mixed light led white-light illuminating device |
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| CN204375789U true CN204375789U (en) | 2015-06-03 |
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| CN201520078957.8U Active CN204375789U (en) | 2015-02-04 | 2015-02-04 | Rgb mixed light led white-light illuminating device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109524393A (en) * | 2018-12-26 | 2019-03-26 | 福建天电光电有限公司 | A kind of double-colored COB of tunable optical Tai Ji moulding |
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2015
- 2015-02-04 CN CN201520078957.8U patent/CN204375789U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109524393A (en) * | 2018-12-26 | 2019-03-26 | 福建天电光电有限公司 | A kind of double-colored COB of tunable optical Tai Ji moulding |
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