Symmetrical structured LED light-total-reflection collimation system with theoretically lossless lighting effects

A symmetrical structure, LED light source technology, applied in the field of optics, can solve the problems of unfavorable LED widespread promotion, high heat dissipation requirements of lamp groups, low energy utilization rate, etc., to achieve the effect of reducing energy consumption, good technical support, and reducing energy loss

Active Publication Date: 2014-01-08
FUDAN UNIV
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Problems solved by technology

[0003] Because LEDs have the characteristic of 180° single-sided light emission, traditional design structures using simple reflectors or lenses can only use part of the energy of LEDs, and the overall energy utilization rate is about 60%-70%.
However, due to the low energy util

Method used

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  • Symmetrical structured LED light-total-reflection collimation system with theoretically lossless lighting effects
  • Symmetrical structured LED light-total-reflection collimation system with theoretically lossless lighting effects
  • Symmetrical structured LED light-total-reflection collimation system with theoretically lossless lighting effects

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[0020] The high-efficiency LED light total reflection symmetrical structure collimation system includes an LED light source module 1, an improved ellipsoidal reflector 2, a first parabolic reflector 3, and a second parabolic reflector 4. The light source 1 of the LED module is placed at the first focal point of the ellipsoidal reflector 2, and the first parabolic reflector 3 is located below the ellipsoidal reflector 2, and its focal point coincides with the second focal point of the ellipsoidal reflector 2. The focal point of the second parabolic reflector 4 is located at the geometric center of the LED light source 1, and the entire system has a left-right mirror symmetrical structure. A part of the light emitted by the LED module light source 1 passes through the ellipsoidal reflector 2 to converge at the second focus of the ellipsoidal reflector 2, and then passes through the first parabolic reflector 3 to form collimated light. The LED module light source 1 emits The remai...

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Abstract

The invention belongs to the technical field of optics, and particularly relates to a symmetrical structured LED light-total-reflection collimation system with theoretically lossless lighting effects. The collimation system includes an LED light source module, improved ellipsoid reflectors, improved first parabolic reflectors and improved second parabolic reflectors. A light source is arranged at the first focal points of the ellipsoid reflectors, the improved first parabolic reflectors are located below the ellipsoid reflectors, and the focal points of the first parabolic reflectors coincide with the second focal points of the ellipsoid reflectors; the focal points of the improved second parabolic reflectors are located at the light source, and the whole system is of a left-right mirror symmetry structure; part of the light emitted from the light source forms collimated light through the ellipsoid reflectors and the first parabolic reflectors, and the other part of the light forms collimated light through the second parabolic reflectors. Only the reflectors are used in the whole system, the dispersion of multispectral hybrid light is avoided, and effective light energy is high in utilization rate.

Description

technical field [0001] The invention belongs to the field of optical technology, and in particular relates to a theoretically non-destructive optical efficiency optical total reflection symmetric structure collimation system based on an LED light source. Background technique [0002] With the advancement of technology, LED, as a light source, has gradually been valued by people for its advantages of high efficiency, environmental protection, small size, and long life. At this stage, LEDs are more and more used in automotive lighting, household lighting, and commercial lighting. The design of the lamp structure for the LED light source is also becoming more and more diverse. [0003] Because LEDs have the characteristic of 180° single-sided light emission, traditional design structures using simple reflectors or lenses can only use part of the energy of LEDs, and the overall energy utilization rate is about 60%-70%. However, due to the low energy utilization rate, higher wat...

Claims

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Application Information

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IPC IPC(8): F21V7/09
Inventor 葛爱明王俊伟邱鹏蔡金林
Owner FUDAN UNIV
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