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1. (WO2014205896) LIGHT VALVE DEVICE, INFRARED DISPLAY APPARATUS, DEDICATED GLASSES, AND SYSTEM

Pub. No.:    WO/2014/205896    International Application No.:    PCT/CN2013/081439
Publication Date: Thu Jan 01 00:59:59 CET 2015 International Filing Date: Thu Aug 15 01:59:59 CEST 2013
IPC: G02F 1/133
G02C 7/10
H01L 51/52
Applicants: BOE TECHNOLOGY GROUP CO., LTD.
京东方科技集团股份有限公司
Inventors: LI, Wenbo
李文波
WANG, Dongsheng
王东升
DONG, Youmei
董友梅
Title: LIGHT VALVE DEVICE, INFRARED DISPLAY APPARATUS, DEDICATED GLASSES, AND SYSTEM
Abstract:
Disclosed are a light valve device, an infrared display apparatus (1), a pair of dedicated glasses (2), and a display system. A display screen seen by a person with naked eyes is an information-free black picture, a glasses wearer can see effective image information, and an image is displayed more privately. The light valve device comprises a first liquid crystal box (7) and a second liquid crystal box (8) disposed opposite. Each of the first liquid crystal box and the second liquid crystal box is formed by two substrates (71, 72, 81, 82) disposed opposite thereto. Alignment films (76, 77, 86, 87) aligned in parallel directions or reverse parallel directions are separately formed on inner sides of the two substrates. The first liquid crystal box and the second liquid crystal box are separately filled with cholesteric liquid crystals (73, 83) which are opposite in arrangement and rotation directions.