Inventor
BERMAN ARTHUR
US25 patents
⚠️ This page may combine multiple inventors who share the name “BERMAN ARTHUR”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LIGHTMASTER SYSTEMS INC
21 patentsUS7175281B1Feb 13, 2007
Method and apparatus to increase the contrast ratio of the image produced by a LCoS based light engine
LIGHTMASTER SYSTEMS INC47 citations95
US6982829B1Jan 3, 2006
Prism assembly with cholesteric reflectors
LIGHTMASTER SYSTEMS INC21 citations92
US7641346B2Jan 5, 2010
Method and apparatus to increase the contrast ratio of the image produced by a LCoS based light engine
LIGHTMASTER SYSTEMS INC9 citations83
US7422329B2Sep 9, 2008
Liquid crystal on silicon (LCOS) kernel with 3D projection capability
LIGHTMASTER SYSTEMS INC14 citations83
US7327408B1Feb 5, 2008
Illuminator that generates linearly polarized light for microdisplay based light engine
LIGHTMASTER SYSTEMS INC12 citations83
US7042610B1May 9, 2006
Method and apparatus for improved waveplates and suppression of stray light in LCoS kernel applications
LIGHTMASTER SYSTEMS INC11 citations83
US6909556B2Jun 21, 2005
Design of prism assemblies and kernel configurations for use in projection systems
LIGHTMASTER SYSTEMS INC13 citations82
US7400452B2Jul 15, 2008
Method and apparatus for internal frames to improve performance and manufacturability of optical devices including liquid crystal on silicon (LCOS) based kernels
LIGHTMASTER SYSTEMS INC11 citations79
US7347558B2Mar 25, 2008
3D kernel and prism assembly design
LIGHTMASTER SYSTEMS INC8 citations73
US7556382B1Jul 7, 2009
Illuminator that outputs linearly polarized light and that is suitable for use in microdisplay based light engine applications
LIGHTMASTER SYSTEMS INC5 citations62
US7349048B1Mar 25, 2008
Method and apparatus for adjusting light intensity
LIGHTMASTER SYSTEMS INC2 citations62
US7012755B1Mar 14, 2006
Use of a lens array to increase the contrast ratio produced by a LCoS microdisplay
LIGHTMASTER SYSTEMS INC3 citations62
US7560710B2Jul 14, 2009
Method and apparatus for increasing illuminator brightness in a liquid crystal on silicon (LCoS) based video projection system
LIGHTMASTER SYSTEMS INC2 citations61
US6934066B2Aug 23, 2005
Method and apparatus for use and construction of compensated higher order waveplates
LIGHTMASTER SYSTEMS INC4 citations61
US6796663B2Sep 28, 2004
Method and apparatus for mounting liquid crystal on silicon (LCoS) and other sensitive devices
LIGHTMASTER SYSTEMS INC2 citations60
US7390094B2Jun 24, 2008
Method and apparatus to achieve a neutral dark state in image projection systems
LIGHTMASTER SYSTEMS INC2 citations55
US7570240B2Aug 4, 2009
Method and apparatus to minimize lamp flicker and increase contrast ratio in projection devices
LIGHTMASTER SYSTEMS INC0 citations51
US6999237B2Feb 14, 2006
Method and apparatus for configuration and assembly of a video projection light management system
LIGHTMASTER SYSTEMS INC1 citations50
US6873480B2Mar 29, 2005
Method and apparatus for packaging optical elements
LIGHTMASTER SYSTEMS INC1 citations50
US7352513B2Apr 1, 2008
Prism assemblies and kernel configurations for use in projection systems
LIGHTMASTER SYSTEMS INC1 citations47
US7791675B2Sep 7, 2010
Method and apparatus for variable retardation and adjusting light channel pathlengths
LIGHTMASTER SYSTEMS INC0 citations41