The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 16, 1997
Filed:
Aug. 10, 1995
Herbert Friedrich Borner, Hamburg, DE;
U.S. Philips Corporation, New York, NY (US);
Abstract
A solid-state image intensifier is provided with a thin film photoconductive layer and an electroluminescent layer which contains a polymer light emitting diode (LED) material. The photoconductive layer is a thin film which does not suffer from electrical breakdown because a low voltage is applied to the electrodes, said low voltage being sufficient to cause luminescence of the electroluminescence layer. As the photoconductive layer is thin the time response of the solid state image intensifier is shortened and its spatial resolution is improved. The color of the light given off by the polymer LED material is controlled by suitable chemical substitutions to the polymer. Consequently, the color of the light given off may be adapted to the color dependence of the sensitivity of an image sensor for detecting the output light of the solid-state image intensifier.