Display device

Details Display device Display device

1985-04-04

1986-11-04

Nelli, Raymond A.

Illumination

Illuminated scale or dial

Internal light source

362 23, 362 31, G01D 1128

Patent

active

046213066

ABSTRACT:
The present invention relates to a display device having a transparent display field through which ambient light can pass from the side facing away from an observer to the side facing the observer. Characters and/or symbols can be presented against a light background on the display field. On the side facing the observer, the display field has a light-guide plate 9 of transparent material in which light-dispensing particles 19 are distributed and into which the light from a source of light 12 can be introduced.

REFERENCES:
patent: 2203514 (1940-06-01), Bacon
patent: 2737146 (1956-03-01), Philipp
patent: 2886911 (1959-05-01), Hardesty
patent: 3268659 (1966-08-01), Gibson, Jr.
patent: 3858909 (1974-10-01), Fitzgibbons
patent: 4096550 (1978-06-01), Boller et al.
patent: 4115994 (1978-09-01), Tomlinson
patent: 4181925 (1980-01-01), Burrows et al.
patent: 4229783 (1980-10-01), Eberhardt
patent: 4310871 (1982-01-01), Adachi
patent: 4321655 (1982-03-01), Bourvrande

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