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Class Information
Number: 257/E31.098
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Semiconductor devices responsive or sensitive to electromagnetic radiation (e.g., infrared radiation, adapted for conversion of radiation into electrical energy or for control of electrical energy by such radiation processes, or apparatus peculiar to manufacture or treatment of such devices, or of parts thereof) (epo) > Structurally associated with electric light source (e.g., electroluminescent light source) (epo) > Light source controlled by radiation-sensitive semiconductor device (e.g., image converter, image amplifier, image storage device) (epo) > Device without potential or surface barrier (epo)
Description: This subclass is indented under subclass E31.097. This subclass is substantially the same in scope as ECLA classification H01L31/14B.

Sub-classes under this class:

Class Number Class Name Patents
257/E31.099 Light source being semiconductor device with potential or surface barrier (e.g., light-emitting diode) (epo) 50

Patents under this class:

Patent Number Title Of Patent Date Issued
6548316 Monolithic semiconductor device and method of manufacturing the same Apr. 15, 2003
5229626 Solid-state image converting device with dot-like layer Jul. 20, 1993
4695717 Semi-conductor device and electronic apparatus using the same Sep. 22, 1987
4604634 Apparatus for recording and reproducing an electrographic image Aug. 5, 1986
4554453 Apparatus for recording X-ray images Nov. 19, 1985
4162460 Optical circuit element Jul. 24, 1979
4119840 Fast acting gain photocurrent device Oct. 10, 1978
4085321 Multi-phase photoactivated switch Apr. 18, 1978

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