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Class Information
Number: 257/E33.045
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Light emitting semiconductor devices having a potential or a surface barrier, processes or apparatus peculiar to the manufacture or treatment of such devices, or of parts thereof > Device characterized by their operation (epo) > Having p-n or hi-lo junction (epo)
Description: This subclass is indented under subclass E33.044. This subclass is substantially the same in scope as ECLA classification H01L33/00D2.

Sub-classes under this class:

Class Number Class Name Patents
257/E33.047 Having at least two p-n junctions (epo) 57
257/E33.046 P-i-n device (epo) 51

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8669565 LED devices with narrow viewing angle and an LED display including same Mar. 11, 2014
8637897 Semiconductor light emitting device having multi-cell array and method for manufacturing the same Jan. 28, 2014
8637876 Light emitting device and light emitting device package having the same Jan. 28, 2014
8598619 Semiconductor light emitting device having multi-cell array and method for manufacturing the same Dec. 3, 2013
8575714 Backside illuminated semiconductor light-receiving device, optical receiver module, and optical transceiver Nov. 5, 2013
8383444 Method for determining color using CMOS image sensor Feb. 26, 2013
8089067 Semiconductor device Jan. 3, 2012
8053791 Structure of AC light-emitting diode dies Nov. 8, 2011
8026540 System and method for CMOS image sensing Sep. 27, 2011
7956366 Monolithic light emitting device and driving method therefor Jun. 7, 2011
7888199 PNP light emitting transistor and method Feb. 15, 2011
7875478 Method for controlling color contrast of a multi-wavelength light-emitting diode Jan. 25, 2011
7868367 System and method for CMOS image sensing Jan. 11, 2011
7851812 Housed optoelectronic component Dec. 14, 2010
7732832 Compound semiconductor light-emitting device including p-type undoped boron-phosphide-based semiconductor layer joined to thin-film layer composed of an undoped hexagonal group III nitride sem Jun. 8, 2010
7683396 High power light emitting device assembly utilizing ESD protective means sandwiched between dual sub-mounts Mar. 23, 2010
7675076 Nitride-based semiconductor device of reduced voltage drop Mar. 9, 2010
7671375 Nitride-based semiconductor device of reduced voltage drop, and method of fabrication Mar. 2, 2010
7579858 Semiconductor device and inspection method thereof Aug. 25, 2009
7535034 PNP light emitting transistor and method May. 19, 2009
7531842 Method for etching a tapered bore in a silicon substrate, and a semiconductor wafer comprising the substrate May. 12, 2009
7476902 Semiconductor light-emitting device with faceted surfaces and interstice Jan. 13, 2009
7442972 Semiconductor device and inspection method thereof Oct. 28, 2008
6876006 Radiation source Apr. 5, 2005
6791257 Photoelectric conversion functional element and production method thereof Sep. 14, 2004
6407405 p-Type group II-VI compound semiconductor crystals growth method for such crystals, and semiconductor device made of such crystals Jun. 18, 2002
6316792 Compound semiconductor light emitter and a method for manufacturing the same Nov. 13, 2001
6288415 Optoelectronic semiconductor devices Sep. 11, 2001
6271051 Light-emitting diode, light-emitting diode array, and method of their fabrication Aug. 7, 2001
6211537 LED array Apr. 3, 2001
6144043 Light emitting semiconductor device having plural light emitting elements with different junction depth Nov. 7, 2000
6136627 High-resolution light-sensing and light-emitting diode array and fabrication method thereof Oct. 24, 2000
6133588 Light-emitting element array and fabrication method with separate light-emitting and current-conducting diffusion areas Oct. 17, 2000
6111271 Optoelectronic device with separately controllable carrier injection means Aug. 29, 2000
6078061 Light emitting diode with patterned electrode Jun. 20, 2000
6064418 Led array, print head, and electrophotographic printer May. 16, 2000
6063644 Light-emitting element and array with etched surface, and fabrication method thereof May. 16, 2000
6054724 Light-emitting diode, light-emitting diode array Apr. 25, 2000
5994720 Indirect bandgap semiconductor optoelectronic device Nov. 30, 1999
5977566 Compound semiconductor light emitter Nov. 2, 1999
5972729 Method of manufacturing light-receiving/emitting diode array chip Oct. 26, 1999
5955748 End face light emitting type light emitting diode Sep. 21, 1999
5917227 Light-emitting-diode array and light-emitting-diode element Jun. 29, 1999
5869848 End face light-emitting-type LED, end face light-emitting-type LED array and methods of manufacturing them Feb. 9, 1999
5866439 Method of fabricating an end face light emitting type light-emitting diode and a light-emitting diode array device Feb. 2, 1999
5763906 Mid infrared light emitting diode Jun. 9, 1998
5700714 Diffusion mask and fabrication method for forming pn-junction elements in a compound semiconductor substrate Dec. 23, 1997
5610412 Semiconductor light emitting device with depletion layer Mar. 11, 1997
5600157 Light-emitting and light-sensing diode array device, and light-emitting and light-sensing diode with improved sensitivity Feb. 4, 1997
5561679 Radioluminescent semiconductor light source Oct. 1, 1996

1 2 3

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