Inventor
HAITZ ROLAND H
US25 patents
⚠️ This page may combine multiple inventors who share the name “HAITZ ROLAND H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
QUARKSTAR LLC
18 patentsUS9863605B2Jan 9, 2018
Light-emitting devices providing asymmetrical propagation of light
QUARKSTAR LLC14 citations92
US10088618B2Oct 2, 2018
Light-emitting device with remote scattering element and total internal reflection extractor element
QUARKSTAR LLC2 citations73
US9915410B2Mar 13, 2018
Light-emitting devices with reflective elements
QUARKSTAR LLC4 citations73
US9752757B2Sep 5, 2017
Light-emitting device with light guide for two way illumination
QUARKSTAR LLC2 citations73
US11353167B2Jun 7, 2022
Light-emitting devices providing asymmetrical propagation of light
QUARKSTAR LLC0 citations62
US11009193B2May 18, 2021
Light-emitting devices providing asymmetrical propagation of light
QUARKSTAR LLC0 citations62
US10907797B2Feb 2, 2021
Light-emitting devices with reflective elements
QUARKSTAR LLC0 citations62
US10473292B2Nov 12, 2019
Solid state illumination devices including spatially-extended light sources and reflectors
QUARKSTAR LLC0 citations52
US10451250B2Oct 22, 2019
Light-emitting devices providing asymmetrical propagation of light
QUARKSTAR LLC0 citations52
US10429034B2Oct 1, 2019
Light-emitting device with light guide for two way illumination
QUARKSTAR LLC0 citations52
US10408428B2Sep 10, 2019
Light-emitting devices providing asymmetrical propagation of light
QUARKSTAR LLC0 citations52
US10274167B2Apr 30, 2019
Light-emitting devices with reflective elements
QUARKSTAR LLC0 citations52
US10151446B2Dec 11, 2018
Light-emitting device with total internal reflection (TIR) extractor
QUARKSTAR LLC1 citations52
US9822948B2Nov 21, 2017
Solid state illumination devices including spatially-extended light sources and reflectors
QUARKSTAR LLC0 citations52
US9291763B2Mar 22, 2016
Light-emitting device with remote scattering element and total internal reflection extractor element
QUARKSTAR LLC0 citations52
US10811576B2Oct 20, 2020
Color tuning of light-emitting devices
QUARKSTAR LLC0 citations42
US10107459B2Oct 23, 2018
Light-emitting device with remote phosphor and recessed light emitting element
QUARKSTAR LLC0 citations42
US10546983B2Jan 28, 2020
Lighting device having a 3D scattering element and optical extractor with convex output surface
QUARKSTAR LLC0 citations41
HEWLETT PACKARD CO
7 patentsUS5917202AJun 29, 1999
Highly reflective contacts for light emitting semiconductor devices
HEWLETT PACKARD CO176 citations99
US5707139AJan 13, 1998
Vertical cavity surface emitting laser arrays for illumination
HEWLETT PACKARD CO136 citations98
US5087949AFeb 11, 1992
Light-emitting diode with diagonal faces
HEWLETT PACKARD CO272 citations98
US5971545AOct 26, 1999
Light source for projection display
HEWLETT PACKARD CO134 citations97
US5758951AJun 2, 1998
Vertical cavity surface emitting laser arrays for illumination
HEWLETT PACKARD CO79 citations96
US5323084AJun 21, 1994
Light emitting diode printhead
HEWLETT PACKARD CO18 citations82
US5134340AJul 28, 1992
Light-emitting diode printhead
HEWLETT PACKARD CO21 citations82