Title:
ILLUMINATION SYSTEM HAVING DETECTION FUNCTION
Document Type and Number:
WIPO Patent Application WO/2020/192681
Kind Code:
A1
Abstract:
An illumination system (10) comprises: an illumination light source (101), used to emit illumination light (111), wherein the illumination light (111) exits by means of an illumination light path; a detection light source (102), used to emit detection light (112), wherein the detection light (112) reaches a receiver (130) by means of a detection light path, wherein the detection light path comprises an emission light path from the detection light source (102) to a target object (11) and a reception light path from the target object (11) to the receiver (130); and a light modulation apparatus (120), comprising a micromirror array, provided on the illumination light path and the detection light path, used to modulate spatial distribution of the illumination light (111), and also used to modulate at least one of a direction, a phase, and spatial distribution of the detection light (112). Providing the light modulation apparatus (120) on the illumination light path and the detection light path allows the spatial distribution of the illumination light of the illumination light source (101) to be modulated, thereby achieving high-resolution illumination distribution. In addition, the invention achieves detection and scanning of a large field of view without a mechanical rotary structure, thereby achieving true illumination-detection integration. Moreover, the invention utilizes the core, high-cost light modulation apparatus multiple times, thereby increasing a utilization rate, and reducing system costs.
Inventors:
WANG LEI (CN)
CHEN CHEN (CN)
MI LIN (CN)
WU YINGJIAN (CN)
CHEN CHEN (CN)
MI LIN (CN)
WU YINGJIAN (CN)
Application Number:
PCT/CN2020/081070
Publication Date:
October 01, 2020
Filing Date:
March 25, 2020
Export Citation:
Assignee:
SHENZHEN LIGHTING INST (CN)
International Classes:
F21S41/60
Domestic Patent References:
| WO2018022700A1 | 2018-02-01 | |||
| WO2016021961A1 | 2016-02-11 |
Foreign References:
| CN101391587A | 2009-03-25 | |||
| CN109237413A | 2019-01-18 | |||
| CN108613110A | 2018-10-02 | |||
| CN108036274A | 2018-05-15 | |||
| CN107264384A | 2017-10-20 | |||
| CN207045231U | 2018-02-27 |
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