Title:
PROJECTION DEVICE AND DRIVE METHOD FOR LIGHT SOURCE THEREOF
Document Type and Number:
WIPO Patent Application WO/2024/045802
Kind Code:
A1
Abstract:
Disclosed in the present application are a projection device and a drive method for a light source thereof. A display control circuit in the projection device can acquire rotation information of a combined color wheel, and send, to a light source drive circuit and according to the rotation information, drive enable signals of a plurality of primary colors and current control signals of the plurality of primary colors. After receiving the drive enable signals of the plurality of primary colors and the current control signals of the plurality of primary colors, the light source drive circuit can drive at least one light source to emit light, so as to realize the modulation and projection of a light beam of a projection light source.
Inventors:
CUI RONGRONG (CN)
Application Number:
PCT/CN2023/102166
Publication Date:
March 07, 2024
Filing Date:
June 25, 2023
Export Citation:
Assignee:
HISENSE LASER DISPLAY CO LTD (CN)
International Classes:
G03B21/20
Domestic Patent References:
| WO2019174271A1 | 2019-09-19 |
Foreign References:
| CN114114809A | 2022-03-01 | |||
| CN104298059A | 2015-01-21 | |||
| CN105223762A | 2016-01-06 | |||
| CN109426056A | 2019-03-05 | |||
| US20110211333A1 | 2011-09-01 |
Attorney, Agent or Firm:
TDIP & PARTNERS (CN)
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