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