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Patent Searching and Data


Title:
PROJECTION DEVICE AND CONTROL METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2022/100599
Kind Code:
A1
Abstract:
The present application relates to the field of projection display. Disclosed are a projection device and a control method therefor. A mainboard of the projection device is used for sending a video image signal to a display panel; the display panel is used for generating a light valve control signal according to the video image signal, and a light valve receives a light beam emitted by a light source and is controlled by the light valve control signal to modulate the light beam; and a control circuit is separately connected to the mainboard and the display panel. The control circuit is used for, if a forced shutdown operation is detected, controlling the light valve to reset and then restart, or maintaining the operating state of the display panel and not restarting the light valve.

Inventors:
WU CHAO (CN)
ZHAO YISHI (CN)
CHEN XU (CN)
Application Number:
PCT/CN2021/129719
Publication Date:
May 19, 2022
Filing Date:
November 10, 2021
Export Citation:
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Assignee:
HISENSE LASER DISPLAY CO LTD (CN)
International Classes:
H04N9/31; G03B21/14; G06F1/24
Foreign References:
CN112383761A2021-02-19
CN112379762A2021-02-19
CN213399172U2021-06-08
CN213846882U2021-07-30
CN103034027A2013-04-10
US20100165304A12010-07-01
Attorney, Agent or Firm:
TDIP & PARTNERS (CN)
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