Title:
OPTICAL DISPLAY DEVICE
Document Type and Number:
Japanese Patent JPS5319798
Kind Code:
A
Abstract:
PURPOSE: Numbers and characters being displayed are clearly displayed even at night by disposing a light emitting medium in an optical display device.
Inventors:
MITAMURA AKIRA
Application Number:
JP9460376A
Publication Date:
February 23, 1978
Filing Date:
August 09, 1976
Export Citation:
Assignee:
CASIO COMPUTER CO LTD
International Classes:
G02F1/17; G02F1/13; G02F1/1335; G02F1/15; G02F1/157; G04C17/00; G06F3/147; G09F9/00; G09F9/30; (IPC1-7): G02F1/13; G04C17/00; G06K15/18; G09F9/00