发明名称 Electronic shelf label
摘要 There are provided at least two liquid crystal panels 10, 20 including the liquid crystals developing a memory effect, the liquid crystal developing a memory effect on a side opposite to a viewer side has a selective reflection wavelength set at 615-665 nm, the liquid crystal developing a memory effect on the viewer side has a selective reflection wavelength set at 490-540 nm, and a color filter having a certain transmission property is provided between the liquid crystal developing a memory effect on the viewer side and the liquid crystal developing a memory effect on the side opposite to the viewer side.
申请公布号 US6914648(B2) 申请公布日期 2005.07.05
申请号 US20020245640 申请日期 2002.09.18
申请人 OPTREX CORPORATION 发明人 NIIYAMA SATOSHI;SUEHIRO NORIKO
分类号 G02F1/13;A47F5/00;G02F1/1333;G02F1/1335;G02F1/1337;G02F1/1347;G02F1/137;G09G3/36;(IPC1-7):G02F1/134 主分类号 G02F1/13
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