Light-emitting diode (LED) reflection cup and method for achieving plurality of light-emitting angles
A technology of light output angle and reflective cup, which is applied in the field of reflective cups, can solve problems such as increasing the viewing angle, failing to meet long-range lighting fixtures, affecting long-range and visual effects, and achieving the effect of increasing uniformity and improving light reflection efficiency
Inactive Publication Date: 2013-05-15
刘磊
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[0002] At present, most of the long-range concentrating reflectors on the market are parabolic reflectors. After the long-range distance exceeds 5 meters, black centers or black holes will appear in the center. As the distance increases, the effect of black centers or black holes It will be magnified, which seriously affects the long-range and visual effects, so it cannot meet the requirements of long-range lamps, and when the diameter and height of the reflector are determined, only a parabolic concentrating reflector can be made. Use small-chip LEDs to create a large spot effect, especially for special industries, where the irradiation distance is not very far, but requires a large center spot to increase the viewing angle
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[0022] Below in conjunction with accompanying drawing, the patent of the present invention is further described.
[0023] Such as figure 1 , image 3 , Figure 8 , Figure 9 As shown, the LED reflective cup includes the reflective cup 1 body and the LED aluminum substrate 5. It is characterized in that the LED aluminum substrate 5 is equipped with LED lamp beads 3, and the opening at the rear end of the reflective cup 1 can just match the LED lamp beads. 3, the mechanism position 2, the LED lamp bead 3 is provided with a light-emitting chip 4; the reflective cup 1 includes a reflective surface 6 on the inner wall.
[0024] Such as figure 1 , figure 2 , image 3 As shown, the LED reflective cup realizes the method of multiple light emitting angles. The reflective surface 6 is defined as a smooth reflective surface curve S, and the reflective surface curve S is rotated around the reflective cup rotation axis K to obtain the shape of the bell mouth. The diameter of the re...
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The invention relates to a light-emitting diode (LED) reflection cup which can achieve a plurality of light-emitting angles. The LED reflection cup comprises a reflection cup body and an LED aluminum substrate which is provided with an LED lamp bead. A light-emitting chip is arranged inside the LED lamp bead. The reflection cup comprises a reflection face of the inner wall. A method of the LED reflection cup for achieving the plurality of light-emitting angles comprises that the reflection face is defined as a smooth reflection face curved line S, the reflection face curved line S rotates a circle around a rotating shaft of the reflection cup, a horn opening shape is obtained, the reflection face curved line S is described point by point according to light vectors of a light distribution curved line of the LED lamp bead and change of a focal plane of the light-emitting chip, and reflection light is enabled to be cast in a certain angle. The LED reflection cup and the method for achieving the plurality of light-emitting angles solve the problem that an LED light source with a small chip on a present market can only use a parabola as a light-concentration type reflection cup, and meanwhile the problem that a black center or a black hole exists in the center of a light spot 5 meters away is also solved.
Description
Technical field: [0001] The invention relates to a reflective cup, in particular to an LED reflective cup capable of realizing multiple light emitting angles. technical background: [0002] At present, most of the long-range concentrating reflectors on the market are parabolic reflectors. After the long-range distance exceeds 5 meters, black centers or black holes will appear in the center. As the distance increases, the effect of black centers or black holes It will be magnified, which seriously affects the long-range and visual effects, so it cannot meet the requirements of long-range lamps, and when the diameter and height of the reflector are determined, only a parabolic concentrating reflector can be made. Use small-chip LEDs to create a large spot effect, especially for special industries, where the irradiation distance is not very far, but requires a large central spot to increase the viewing angle. Invention content: [0003] The purpose of the present invention i...
Claims
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IPC IPC(8): F21V7/04F21V7/22F21Y101/02
Inventor 刘磊
Owner 刘磊