Title:
SHORT-RANGE LIGHT MIXER
Document Type and Number:
WIPO Patent Application WO/2017/088100
Kind Code:
A1
Abstract:
A short-range light mixer, comprising a light mixer body (1) having a rotary axis symmetrical structure, a top portion of the light mixer body being provided with a recess A (2), the recess A being in the shape of an inverted pointed cone, a side wall of the recess A being an arc-shaped curved surface, the curvature of the arc-shaped curved surface sequentially reducing from a bottom portion to a top portion, a bottom portion of the light mixer body being provided with a recess B (3), a bottom surface of the recess B comprising a first incident surface (4) and a second incident surface (5) connected from the inside to the outside, the first incident surface and the second incident surface being arc-shaped curved surfaces, the first incident surface being formed by rotating a bus bar A (41) along a rotary centre axis of the light mixer body, the second incident surface being formed by rotating a bus bar B (51) along the rotary centre axis of the light mixer body, a side wall of the recess B being a third incident surface (6), the third incident surface being an arc-shaped curved surface. The light mixer is simple in structure, performs mixing processing on light rays emitted by chips, and achieves light spots having uniform colours at a long range or a close range.
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Inventors:
HE CHUNMEI (CN)
Application Number:
PCT/CN2015/095322
Publication Date:
June 01, 2017
Filing Date:
November 23, 2015
Export Citation:
Assignee:
CHENGDU PULSE OPTICAL CO LTD (CN)
International Classes:
F21V5/04; F21Y115/10
Foreign References:
| CN105299593A | 2016-02-03 | |||
| CN104421832A | 2015-03-18 | |||
| CN103925557A | 2014-07-16 | |||
| CN103375768A | 2013-10-30 | |||
| CN103868021A | 2014-06-18 | |||
| CN104296069A | 2015-01-21 | |||
| CN203784829U | 2014-08-20 |
Attorney, Agent or Firm:
GAOYUNG INTELLECTUAL PROPERTY AGENCY (GENERALPARTNERSHIP) (CN)
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