Electro-optic matrix-type display panel incorporating optoelectr

Details Electro-optic matrix-type display panel incorporating optoelectr Electro-optic matrix-type display panel incorporating optoelectr

1974-05-20

1976-03-30

Curtis, Marshall M.

Communications: electrical

Systems

Portable self-contained

250213A, G06F 314

Patent

active

039478424

ABSTRACT:
An electro-optic display system comprises a plurality of display elements each capable of producing an optical display signal in response to electrical operating energy, a separate channel to each of said display elements, each of said channels incorporating a photosensitive element for the purpose of opening the channel in which that photosensitive element is incorporated for a given period to enable electrical operating energy to be applied during the given period via that channel to an appropriate one of said display elements, a generator of electromagnetic radiation signals arranged to irradiate in response to electrical control signals selected ones of said photosensitive elements and a generator of electrical control signals arranged to feed electrical control signals to said generator of electromagnetic radiation signals. The display elements may be arranged in a straight line which may be one row or column of a matrix array of the elements. The photosensitive elements may be photoconductors or photovoltaic elements and they may be part of a single patch formed as an integrated structure with the display elements on a common substrate. The display elements may for example be electroluminescent elements or liquid crystal elements. The first mentioned generator may be a plurality of semiconductor light-emitting diodes.

REFERENCES:
patent: 3673579 (1972-06-01), Graven
patent: 3812486 (1974-05-01), Purchase
patent: 3825922 (1974-07-01), Ralph

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