Display device for electronic timepieces

Details Display device for electronic timepieces Display device for electronic timepieces

1979-03-01

1981-01-06

Bauer, Edward S.

Radiant energy

Ionic separation or analysis

Static field-type ion path-bending selecting means

250462, G02F 1133

Patent

active

042433037

ABSTRACT:
An illuminating device provided adjacent the liquid crystal display device of an electronic timepiece having a light emitting element composed of tritium (.sup.3 H). The light emitting element is sealed with a resin without hydrogen atoms, such as chlorotrifluoroethylene resin or polytetrafluoroethylene for preventing the leakage of 3H of tritium.

REFERENCES:
patent: 4104627 (1978-08-01), Thuler
patent: 4126384 (1978-11-01), Goodman et al.

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