Two layer liquid crystal display apparatus

申请公布号：US6833885(B2)

申请号：US20020105182

申请日期：2002.03.25

申请公布日期：2004.12.21

申请人：

MINOLTA CO., LTD.

发明人：HISAMITSU AKIHITO;UEDA NOBORU;KOBAYASHI NOBUYUKI;UEDA HIDEAKI

分类号：G02B5/20;G02B5/28;G02F1/133;G02F1/1333;G02F1/1335;G02F1/1337;G02F1/1347;G02F1/137;(IPC1-7):G02F1/134

主分类号：G02B5/20

摘要：A liquid crystal display apparatus includes a first liquid crystal layer having first liquid crystal exhibiting a cholesteric phase at a room temperature, and being tuned to selectively reflect light of a wavelength lambda1 within a visible wavelength range; and a second liquid crystal layer disposed on the first liquid crystal layer, having second liquid crystal exhibiting a cholesteric phase at the room temperature, and being tuned to selectively reflect light of a wavelength lambda2 within the visible wavelength range, wherein a difference between the selective reflection wavelengths lambda1 and lambda2 is in a range from 100 nm to 150 nm.

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