Patent
1976-03-03
1978-05-02
Witkowski, Stanley J.
58 88G, 58127R, G04B 1906, G04B 1934, G04B 3700
Patent
active
040867544
ABSTRACT:
In electronic wristwatches employing an array of light emitting diodes (LED) as digital display, an ornamental coating is provided over the rear surface of a front glass sheet except the viewing window region thereof through the use of painting, printing, etc., while a color filter corresponding to the color of the light emitting display is provided at least over the viewing window region. With such an arrangement, the visibility is enhanced with a simplified construction.
REFERENCES:
patent: 2815640 (1957-12-01), Kirshner
Sasaki Takehiko
Yonekawa Masaji
Sharp Kabushiki Kaisha
Witkowski Stanley J.
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