Inventor
Stephan Lutgen
Inventor
Dresden, DE
Overview
Patents· 32 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Lprimary
H01LSemiconductor devices20%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light19%
H10HInorganic light-emitting semiconductor devices having potential barriers17%
H10DInorganic electric semiconductor devices8%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h108%
G02BOptical elements, systems or apparatus7%
B82YSpecific uses or applications of nanostructures3%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation3%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein2%
H10KOrganic electric solid-state devices2%
PatentTitleYear
11,018,280Reduction of surface recombination losses in micro-LEDs202110,964,844High-efficiency micro-LEDs202110,942,378Waveguide with coherent interference mitigation202110,847,675Micron-sized light emiting diode designs202010,705,353Waveguide with coherent interference mitigation202010,658,500Layer structure for a group-III-nitride normally-off transistor202010,644,196Reduction of surface recombination losses in micro-LEDs202010,622,519Reduction of surface recombination losses in micro-LEDs202010,483,430Micron-sized light emitting diode designs201910,468,552High-efficiency micro-LEDs201910,211,296P-doping of group-III-nitride buffer layer structure on a heterosubstrate201910,128,362Layer structure for a group-III-nitride normally-off transistor201810,026,814P-doping of group-III-nitride buffer layer structure on a heterosubstrate20189,786,744'P-doping of group-III-nitride buffer layer structure on a heterosubstrate'20179,773,896'Layer structure for a group-III-nitride normally-off transistor'20179,496,349'P-doping of group-III-nitride buffer layer structure on a heterosubstrate'20169,397,262'Optoelectronic semiconductor chip and method for the production thereof'20169,202,971'Optoelectronic semiconductor chip'20158,908,733'Optoelectronic semiconductor chip'20148,855,155'Semiconductor laser light source'20148,351,479'Optoelectronic semiconductor element'20138,331,411'Edge-emitting semiconductor laser'20128,208,512'Surface emitting semiconductor body with vertical emission direction and stabilized emission wavelength'20128,178,372'Method for production of a plurality of semiconductor chips, and a semiconductor component'20127,817,695'Lateral optically pumped surface-emitting semiconductor laser on a heat sink'20107,792,174'Surface-emitting semiconductor laser component and optical projection apparatus with a surface-emitting semiconductor laser component such as this'20107,570,682'VCSEL pumped in a monolithically optical manner and comprising a laterally applied edge emitter'20097,551,660'Optically pumped semiconductor laser device'20097,529,284'Semiconductor optical pumping device for radiation emission and the production method thereof'20097,522,646'Vertically emitting optically pumped diode laser with external resonator'20097,408,972'Optically pumped semiconductor laser device'20086,947,460'Optically pumpable surface-emitting semiconductor laser device'2005Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2005–2016Based in Regensburg, DE· patent location history
2008–2016Patents assigned to OSRAM OPTO SEMICONDUCTORS GMBH (15)· patent assignee history
2012–2016Patents assigned to LUTGEN STEPHAN (7)· patent assignee history
2012–2013Patents assigned to ALBRECHT TONY (2)· patent assignee history
2012–2021Based in Dresden, DE· patent location history
2016–2020Patents assigned to AZURSPACE SOLAR POWER GMBH (7)· patent assignee history
2019–2021Patents assigned to FACEBOOK TECH LLC (9)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| OSRAM OPTO SEMICONDUCTORS GMBH | 15 | 2008–2016 |
| FACEBOOK TECH LLC | 9 | 2019–2021 |
| AZURSPACE SOLAR POWER GMBH | 7 | 2016–2020 |
| LUTGEN STEPHANself | 7 | 2012–2016 |
| ALBRECHT TONY | 2 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Dresden, DE | 20 | 2012–2021 |
| Regensburg, DE | 12 | 2005–2016 |