Title:
TIME DISPLAY DEVICE IN ELECTRONIC WATCHES
Document Type and Number:
Japanese Patent JPS5234767
Kind Code:
A
Abstract:
PURPOSE: To realize extremely legible display by increasing contrast by forming an undulation on a display substrate and embeddig mold materials having refractive index different from that of the display substrate in the recess.
Inventors:
TANAKA KOJIROU
Application Number:
JP11059775A
Publication Date:
March 16, 1977
Filing Date:
September 12, 1975
Export Citation:
Assignee:
SEIKO INSTR & ELECTRONICS
International Classes:
G04G9/00; G04G9/02; (IPC1-7): G04C17/00