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US 4,011,001 AGranted
Liquid crystal device
AssigneeKabushiki Kaisha Daini Seikosha
InventorTokio Moriya
Life of this patent
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Abstract
A liquid crystal device comprises a liquid crystal element disposed in a cavity formed between a pair of transparent base plates which have a circular shape. One or more cut-out or recess portions are formed at the side edge of said base plates, and a light source is mounted within the recess portion whereby the display face of said liquid crystal device is illuminated by said light source.
Claims6
A liquid crystal device for use in watches and the like comprising:
- first and second transparent base plates disposed in superposed spaced-apart relationship;
- a liquid crystal element sandwiched between said first and second base plates;
- means defining a recess in the peripheral side edge of said second base plate and said liquid crystal element;
- a light source disposed within said recess for illuminating said liquid crystal element;
- and means for directing light emitted from said light source toward said liquid crystal element.
2 more elements
Dependencies are inferred from the claim text.