Patents
Patents for H01L 33 - Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof (99,364)
06/1990
06/12/1990US4933728 Semiconductor optical device
06/12/1990US4933601 Light emitting diode array chip and method of fabricating same
06/06/1990EP0371720A2 Method of making a double hetero type epitaxial wafer
06/06/1990EP0371554A1 Electroluminescent diode having a low capacitance
06/05/1990US4930857 Hybrid package arrangement
06/05/1990US4930504 Device for biostimulation of tissue and method for treatment of tissue
06/05/1990CA1269834A1 Light emitting diode array
05/1990
05/31/1990WO1990005998A1 Light-emitting element
05/29/1990US4929867 Two stage light converting vacuum tube
05/29/1990US4929300 Light emitting diodes
05/22/1990US4928154 Improved crystallinity
05/22/1990US4927778 Examining semiconductor wafers; forming diodes on those with major axes parallel to crystal irregularities
05/22/1990US4926545 Method of manufacturing optical assemblies
05/16/1990EP0368744A1 Electrically insulating substrate
05/15/1990US4925811 Multilayer epitaxy
05/09/1990EP0367292A2 Compound semiconductor substrate
05/08/1990US4924351 Recessed thermally conductive packaged semiconductor devices
05/08/1990US4924276 Optoelectronic component
05/01/1990US4922499 Semiconductor laser device and the manufacturing method thereof
05/01/1990US4922116 Flicker free infrared simulator with resistor bridges
05/01/1990US4921817 Substrate for high-intensity led, and method of epitaxially growing same
04/1990
04/25/1990EP0364806A2 Surface light-emitting device
04/24/1990US4920404 Low stress light-emitting diode mounting package
04/24/1990US4920387 Luminescence stability, efficiency
04/24/1990US4920068 Low temperature
04/19/1990WO1990004275A1 Semiconductor light-emitting devices
04/19/1990WO1990004264A1 Semiconducteur device
04/18/1990EP0364077A2 Light emitting diode print head assembly
04/17/1990US4918497 Blue light emitting diode formed in silicon carbide
04/17/1990US4918496 Indium phosphide substrate
04/17/1990CA1267965A1 Double injection field effect transistors
04/12/1990DE3834395A1 Coupling device of an optical fibre to a light-emitting diode
04/11/1990EP0363132A2 LED illuminator bar
04/11/1990EP0362993A2 Nonimaging light source
04/11/1990EP0362952A1 Method of manufacturing an epitaxial indium phosphide layer on a substrate surface
04/10/1990US4916513 Dielectrically isolated integrated circuit structure
04/10/1990US4916496 Metal insulator semiconductors
04/10/1990CA1267716A1 Edge-emitting light emitting diode
04/05/1990WO1990003591A1 Dual mode light emitting diode/detector diode for optical fiber transmission lines
04/05/1990DE3932277A1 Micro-electronic semiconductor device with lattice adaptation - by superlattice for contact area between them and with alternative material removed where devices are made in one of materials
04/05/1990DE3833315A1 Light-emitting diode (LED) display device
04/04/1990EP0361603A2 A method of manufacturing a semiconductor device having a waveguide structure
04/03/1990US4914731 Quickly formed light emitting diode display and a method for forming the same
04/03/1990US4914490 Non-single crystal electroluminescent device
04/03/1990US4914042 Forming a transition metal silicide radiation detector and source
04/03/1990CA1267468A1 Optical device package
03/1990
03/28/1990EP0360660A1 Light-emitting diode array
03/27/1990US4912533 End face light emitting element
03/27/1990US4912532 Electro-optical device with inverted transparent substrate and method for making same
03/27/1990US4912521 Electro-optical transducer assembly
03/27/1990US4911765 Forming mesa of different widths on substrates; forming photoactive material by liquid phase epitaxy
03/27/1990US4911519 Packaging techniques for optical transmitters/receivers
03/27/1990US4911102 Process of vapor growth of gallium nitride and its apparatus
03/27/1990CA1267010A1 Device for coupling a light source and an optical waveguide
03/22/1990DE3929125A1 LED array with diode coupled pins - has light emitting block with several LED chips on power supply substrate
03/21/1990EP0359329A2 Wide band gap semiconductor light-emitting devices
03/20/1990US4910571 Optical semiconductor device
03/20/1990US4910534 Light emitting apparatus
03/14/1990EP0358593A2 Method for and apparatus made by interfacing an optical fiber to an optical source
03/14/1990EP0358569A1 Method of producing a semiconductor laser with a high output power, a broad pass-band and a buried strip-like BRS structure
03/08/1990WO1990002387A1 Light emitting diode printhead
03/07/1990EP0357458A2 Luminescent device
03/07/1990EP0357426A2 Light quantity controlling apparatus
03/07/1990EP0357095A1 Method of manufacturing an optoelectronic device
03/06/1990US4907044 Optical emission device
03/06/1990US4906839 Hybrid surface emitting laser and detector
03/06/1990US4906065 Electro-optical assembly
02/1990
02/28/1990EP0356059A2 Process for doping crystals of wide band gap semiconductors
02/28/1990EP0356037A2 Method of making an electro-optical device with inverted transparent substrate
02/27/1990US4905245 Semiconductor laser device and method of manufacturing same
02/27/1990US4905060 Light emitting device with disordered region
02/27/1990US4905059 Modulation doped radiation emitting semiconductor device
02/27/1990US4905058 Light-emitting semiconductor device
02/27/1990US4904618 Secondary mobile dope removal; solubility
02/27/1990US4904617 Method for separating monolithically produced laser diodes
02/22/1990WO1990001751A1 Led array printhead and method of making same
02/20/1990US4903088 Semiconductor laser with large bandgap connection layer
02/20/1990US4902644 Preservation of surface features on semiconductor surfaces
02/20/1990US4902356 Epitaxial substrate for high-intensity led, and method of manufacturing same
02/14/1990EP0354732A2 Optical transducer systems
02/14/1990EP0354468A2 Flat light radiator
02/14/1990CN1039681A Technology for preparing electrode of gallium phosphide led
02/13/1990US4901321 Optical waveguide made solid state material laser applying this waveguide
02/13/1990US4901207 Light emission element array and manufacturing method thereof
02/13/1990US4901123 Superluminescent diode
02/13/1990CA1265863A1 Distributed feedback semiconductor laser with monitor
02/07/1990EP0354140A2 Method of improving yield of led arrays
02/06/1990US4899257 Electric device with an operation indicating lamp
02/06/1990US4899201 Electronic and optoelectric devices utilizing light hole properties
01/1990
01/31/1990EP0353054A2 Quantum well structure and semiconductor device using the same
01/30/1990US4897846 Surface emission type semiconductor light-emitting device
01/30/1990US4897845 Semiconductor optical amplifying element
01/30/1990US4897769 Right angle light emitting diode assembly with snap-in feature
01/30/1990US4897711 Subassembly for optoelectronic devices
01/30/1990US4897699 Group III-V compound based optoelectronic device on silicon substrate
01/25/1990WO1990000814A1 Semiconductor device sealed with resin and a method of producing the same
01/25/1990WO1990000753A2 Optical components
01/24/1990EP0351869A2 Electroluminescent device of compound semiconductor
01/24/1990EP0351868A2 Electroluminescent device of compound semiconductor
01/24/1990EP0351867A2 Electroluminescent device of compound semiconductor