Inventor
SCHEFFER TERRY J
US45 patents
⚠️ This page may combine multiple inventors who share the name “SCHEFFER TERRY J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BBC BROWN BOVERI & CIE
15 patentsUS4025164AMay 24, 1977
Liquid crystal display device for colored display of information with a selective polarizer
BBC BROWN BOVERI & CIE94 citations95
US4106859AAug 15, 1978
Reflector with light-scattering surface for liquid-crystal displays and method for their manufacture
BBC BROWN BOVERI & CIE92 citations93
US4697884AOct 6, 1987
Liquid crystal display having degree of twist and thickness for improved multiplexing
BBC BROWN BOVERI & CIE46 citations92
US4608558AAug 26, 1986
Addressing method for a multiplexable, bistable liquid crystal display
BBC BROWN BOVERI & CIE49 citations92
US4137193AJan 30, 1979
Utilization of dyes for liquid crystal displays
BBC BROWN BOVERI & CIE35 citations92
US4634229AJan 6, 1987
Liquid crystal display
BBC BROWN BOVERI & CIE44 citations91
US4299720ANov 10, 1981
Liquid crystal mixture
BBC BROWN BOVERI & CIE20 citations82
US4032218AJun 28, 1977
Device for the production and modulation of monochromatic light
BBC BROWN BOVERI & CIE25 citations82
US4126383ANov 21, 1978
Electrooptic display device
BBC BROWN BOVERI & CIE30 citations81
US4252417AFeb 24, 1981
Liquid crystal display
BBC BROWN BOVERI & CIE21 citations76
US4241344ADec 23, 1980
Electro-optical device for the display of dark symbols composed of separately selectable display segments against a bright background and a means for addressing this device
BBC BROWN BOVERI & CIE11 citations74
US3972587AAug 3, 1976
Liquid crystal display
BBC BROWN BOVERI & CIE17 citations74
US4705359ANov 10, 1987
Process and apparatus for the production of an orientation layer on a plane surface of a plate, and liquid crystal substrate plate produced thereby
BBC BROWN BOVERI & CIE14 citations73
US4218281AAug 19, 1980
Manufacturing process for an electrooptic display device
BBC BROWN BOVERI & CIE11 citations72
US4217035AAug 12, 1980
Liquid crystal display
BBC BROWN BOVERI & CIE14 citations72
IN FOCUS SYSTEMS INC
13 patentsUS5852429ADec 22, 1998
Displaying gray shades on display panel implemented with phase-displaced multiple row selections
IN FOCUS SYSTEMS INC55 citations96
US5767836AJun 16, 1998
Gray level addressing for LCDs
IN FOCUS SYSTEMS INC51 citations96
US5585816ADec 17, 1996
Displaying gray shades on display panel implemented with active addressing technique
IN FOCUS SYSTEMS INC67 citations96
US5548422AAug 20, 1996
Notch filters with cholesteric polarizers with birefringent film and linear polarizer
IN FOCUS SYSTEMS INC105 citations96
US5546102AAug 13, 1996
Integrated driver for display implemented with active addressing technique
IN FOCUS SYSTEMS INC50 citations96
US5485173AJan 16, 1996
LCD addressing system and method
IN FOCUS SYSTEMS INC60 citations96
US5459495AOct 17, 1995
Gray level addressing for LCDs
IN FOCUS SYSTEMS INC70 citations96
US5420604AMay 30, 1995
LCD addressing system
IN FOCUS SYSTEMS INC87 citations96
US5473338ADec 5, 1995
Addressing method and system having minimal crosstalk effects
IN FOCUS SYSTEMS INC56 citations95
US5861869AJan 19, 1999
Gray level addressing for LCDs
IN FOCUS SYSTEMS INC40 citations92
US5508716AApr 16, 1996
Plural line liquid crystal addressing method and apparatus
IN FOCUS SYSTEMS INC37 citations92
US5367390ANov 22, 1994
Contrast improvement for display panels with masks between electrodes and covering split between electrode portions
IN FOCUS SYSTEMS INC23 citations91
US5642133AJun 24, 1997
Split interval gray level addressing for LCDs
IN FOCUS SYSTEMS INC15 citations82
LC TEC DISPLAYS AB
11 patentsUS8891042B1Nov 18, 2014
Electro-optic liquid crystal camera iris providing angle independent transmission for uniform gray shades
LC TEC DISPLAYS AB26 citations92
US8023052B1Sep 20, 2011
High-speed liquid crystal polarization modulator
LC TEC DISPLAYS AB24 citations92
US8630037B1Jan 14, 2014
Optical shutter for day-night filter operation
LC TEC DISPLAYS AB26 citations91
US11187907B2Nov 30, 2021
Augmented reality headset including viewing direction independent single-layer, pixelated light dimming filter
LC TEC DISPLAYS AB16 citations83
US10928698B2Feb 23, 2021
High contrast liquid crystal light control device providing angle independent variable transmission of incident light for uniform gray shades
LC TEC DISPLAYS AB7 citations83
US10401700B2Sep 3, 2019
High contrast electro-optic liquid crystal camera iris including liquid crystal material mixed with a dye to improve achromatic performance
LC TEC DISPLAYS AB9 citations83
US10012884B2Jul 3, 2018
High contrast electro-optic liquid crystal camera iris providing angle independent transmission for uniform gray shades
LC TEC DISPLAYS AB12 citations83
US9933631B2Apr 3, 2018
Electro-optic guest-host liquid crystal variable transmission filter with wide viewing angle
LC TEC DISPLAYS AB8 citations83
US9316865B2Apr 19, 2016
Rapid switching optical shutter alternately transmitting visible radiation and near infrared radiation
LC TEC DISPLAYS AB11 citations83
US10871653B1Dec 22, 2020
Viewing direction independent single-layer, pixelated light dimming filter
LC TEC DISPLAYS AB7 citations81
US9229139B2Jan 5, 2016
Enhanced vision system implemented with optical shutter alternately transmitting visible radiation and near infrared radiation
LC TEC DISPLAYS AB6 citations72