Title:
LIQUID CRYSTAL SUNGLASSES
Document Type and Number:
Japanese Patent JPH02150818
Kind Code:
A
Abstract:
PURPOSE:To easily constitute the liquid crystal sunglasses with degrees by using a concave or convex surface plastic plate to sandwich a liquid crystal display element. CONSTITUTION:The sunglasses which vary in transmissivity by utilizing the electrooptic effect of liquid crystal is formed by sticking the plastic plate 2 which has a concave or convex surface as one surface on a couple of substrates 1 constituting the liquid crystal element. Namely, the plastic plate 2 having the concave or convex surface corresponding to the visual acuity of a person who uses the glasses is stuck to make the lens concave or convex. Consequently, the liquid crystal sunglasses with degrees can be manufactured.
Inventors:
JINGU KEIJI
Application Number:
JP30536088A
Publication Date:
June 11, 1990
Filing Date:
December 02, 1988
Export Citation:
Assignee:
SEIKO EPSON CORP
International Classes:
G02C7/10; G02F1/13; (IPC1-7): G02C7/10; G02F1/13
Attorney, Agent or Firm:
Kisaburo Suzuki (1 outside)