发明名称 LIQUID CRYSTAL DEVICE
摘要 <P>PROBLEM TO BE SOLVED: To solve the problem that two upper and lower liquid crystal panels can not efficiently be lightened by one light source and a light guide member. <P>SOLUTION: The liquid crystal device having a liquid crystal panel, the light guide member lightening the liquid crystal panel, and the light source arranged by the light guide member is composed of a light scatter type liquid crystal panel wherein a light guide member has 1st and 2nd opposite surfaces as light projection surfaces and a light projection region can be controlled by an electric means. Further, a main liquid crystal panel and a subordinate liquid crystal panel are arranged opposite the 1st and 2nd surfaces of the light guide member, and a light scatter region of the light guide member is controlled to be nearly the size of a display region of the main liquid crystal panel when the main liquid crystal panel is driven and nearly the size of a display region of the subordinate liquid crystal panel when the subordinate liquid crystal panel is driven. <P>COPYRIGHT: (C)2006,JPO&NCIPI
申请公布号 JP2005275184(A) 申请公布日期 2005.10.06
申请号 JP20040090777 申请日期 2004.03.26
申请人 CITIZEN WATCH CO LTD 发明人 AKIYAMA TAKASHI
分类号 G02B6/00;F21V8/00;F21Y103/00;G02F1/1333;G02F1/1335;G02F1/13357;G02F1/1347 主分类号 G02B6/00
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