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Patent Searching and Data


Title:
LIGHTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/153165
Kind Code:
A1
Abstract:
This lighting device comprises: a light source that emits light; a light control device that has at least one liquid crystal panel on the light emitting side of the light source and adjusts the light distribution range of light emitted from the liquid crystal panel to the outside by controlling the transmittance of light passing through the liquid crystal panel and the transmittance range of light passing through the liquid crystal panel; and a heating unit that heats the liquid crystal panel.

Inventors:
TAKAHATA MASASHI (JP)
Application Number:
PCT/JP2023/001634
Publication Date:
August 17, 2023
Filing Date:
January 20, 2023
Export Citation:
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Assignee:
JAPAN DISPLAY INC (JP)
International Classes:
G02F1/13; F21S2/00
Foreign References:
US20060250809A12006-11-09
JP2010039247A2010-02-18
JP2016075874A2016-05-12
JP2006518879A2006-08-17
JP2013073691A2013-04-22
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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