Title:
LASER PROJECTION DEVICE AND MOBILE TERMINAL
Document Type and Number:
WIPO Patent Application WO/2019/184789
Kind Code:
A1
Abstract:
A laser projection device (1); the laser projection device comprises a laser light source module (10) and a code shielding structure (11) located on the laser light source module; the laser light source module is disposed with a plurality of luminous points (102) on a surface facing the code shielding structure; the code shielding structure includes a shielding area (11a) for shielding a pattern and a light transparent area (11b) located outside the shielded pattern; the laser projection device further includes a light guide structure (12) located between the laser light source module and the code shielding structure, and the light guide structure guides the laser light projected by the laser light source module to the shielding area to the light transparent area.
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Inventors:
ZHOU HUAZHAO (CN)
XIAO QIANG (CN)
LIN HUAXIN (CN)
XIAO QIANG (CN)
LIN HUAXIN (CN)
Application Number:
PCT/CN2019/079028
Publication Date:
October 03, 2019
Filing Date:
March 21, 2019
Export Citation:
Assignee:
VIVO MOBILE COMMUNICATION CO LTD (CN)
International Classes:
H04N9/31; G02B27/09; H04N13/00
Foreign References:
| CN108398847A | 2018-08-14 | |||
| US20160191867A1 | 2016-06-30 | |||
| US20110188054A1 | 2011-08-04 | |||
| JP2015094828A | 2015-05-18 | |||
| CN102970548A | 2013-03-13 | |||
| CN105120257A | 2015-12-02 |
Attorney, Agent or Firm:
DRAGON INTELLECTUAL PROPERTY LAW FIRM (CN)
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