Kristina M. Johnson

Person

Durham, NC, US

People

Patents Grantslast 30 patents

Information Patent Grant
Frame buffer pixel circuit for liquid crystal display
- Patent number 7,460,101
- Issue date Dec 2, 2008
- Duke University
- Sangrok Lee
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Frame buffer pixel circuit for liquid crystal display
- Patent number 6,911,964
- Issue date Jun 28, 2005
- Duke University
- Sangrok Lee
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Color imaging systems and methods
- Patent number 6,899,430
- Issue date May 31, 2005
- ColorLink, Inc.
- Kristina M. Johnson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mixed mode grayscale method for display system
- Patent number 6,784,898
- Issue date Aug 31, 2004
- Duke University
- Sangrok Lee
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Single-panel field-sequential color display systems
- Patent number 6,707,516
- Issue date Mar 16, 2004
- ColorLink, Inc.
- Kristina M. Johnson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Color filters, sequencers and displays using color selective light...
- Patent number 6,667,784
- Issue date Dec 23, 2003
- ColorLink, Inc.
- Gary D. Sharp
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical retarder stack formed of multiple retarder sheets
- Patent number 6,452,646
- Issue date Sep 17, 2002
- ColorLink, Inc.
- Gary D. Sharp
- G02 - OPTICS
Information Patent Grant
Color filters, sequencers and displays using color selective light...
- Patent number 6,417,892
- Issue date Jul 9, 2002
- ColorLink, Inc.
- Gary D. Sharp
- G02 - OPTICS
Information Patent Grant
Achromatic polarization inverters for displaying inverse frames in...
- Patent number 6,380,997
- Issue date Apr 30, 2002
- ColorLink, Inc.
- Gary D. Sharp
- G02 - OPTICS
Information Patent Grant
Display architectures using an electronically controlled optical re...
- Patent number 6,273,571
- Issue date Aug 14, 2001
- ColorLink, Inc.
- Gary D. Sharp
- G02 - OPTICS
Information Patent Grant
Color controllable illumination device, indicator lights, transmiss...
- Patent number 6,252,638
- Issue date Jun 26, 2001
- ColorLink, Inc.
- Kristina M. Johnson
- G02 - OPTICS
Information Patent Grant
Color imaging systems and methods
- Patent number 6,183,091
- Issue date Feb 6, 2001
- ColorLink, Inc.
- Kristina M. Johnson
- G02 - OPTICS
Information Patent Grant
Liquid crystal phase modulator using a ferroelectric liquid crystal...
- Patent number 6,141,069
- Issue date Oct 31, 2000
- University Technology Corporation
- Gary D. Sharp
- G02 - OPTICS
Information Patent Grant
Semiconductor laser based sensing device
- Patent number 6,115,111
- Issue date Sep 5, 2000
- John K. Korah
- G01 - MEASURING TESTING
Information Patent Grant
Split-element liquid crystal tunable optical filter
- Patent number 6,091,462
- Issue date Jul 18, 2000
- The Board of Regents of the University of Colorado
- Gary D. Sharp
- G02 - OPTICS
Information Patent Grant
Spatially switched achromatic compound retarder
- Patent number 6,078,374
- Issue date Jun 20, 2000
- ColorLink, Inc.
- Gary D. Sharp
- G02 - OPTICS
Information Patent Grant
Polarization manipulating device modulator with retarder stack whic...
- Patent number 6,049,367
- Issue date Apr 11, 2000
- ColorLink, Inc.
- Gary D. Sharp
- G02 - OPTICS
Information Patent Grant
Switchable achromatic compound retarder
- Patent number 6,046,786
- Issue date Apr 4, 2000
- University Technology Corporation
- Gary D. Sharp
- G02 - OPTICS
Information Patent Grant
Programmable hologram generator
- Patent number 6,040,883
- Issue date Mar 21, 2000
- University Technology Corporation
- Kristina M. Johnson
- G02 - OPTICS
Information Patent Grant
Optical retarder stack pair for transforming input light into polar...
- Patent number 5,999,240
- Issue date Dec 7, 1999
- ColorLink, Inc.
- Gary D. Sharp
- G02 - OPTICS
Information Patent Grant
Retarder stack for preconditioning light for a modulator having mod...
- Patent number 5,929,946
- Issue date Jul 27, 1999
- ColorLink, Inc.
- Gary D. Sharp
- G02 - OPTICS
Information Patent Grant
Liquid crystal cell and method for assembly thereof
- Patent number 5,919,606
- Issue date Jul 6, 1999
- University Technology Corporation
- Peter T. Kazlas
- G02 - OPTICS
Information Patent Grant
Adaptive attenuating spatial light modulator
- Patent number 5,917,568
- Issue date Jun 29, 1999
- The Regents of the University of Colorado
- Kristina Mary Johnson
- G02 - OPTICS
Information Patent Grant
Electro-optical device and method
- Patent number 5,868,951
- Issue date Feb 9, 1999
- University Technology Corporation
- Miller H. Schuck
- G02 - OPTICS
Information Patent Grant
Color shutter liquid crystal display system
- Patent number 5,822,021
- Issue date Oct 13, 1998
- ColorLink, Inc.
- Kristina Johnson
- G02 - OPTICS
Information Patent Grant
Method and apparatus for robust shape detection using a hit/miss tr...
- Patent number 5,790,691
- Issue date Aug 4, 1998
- The Regents of the University of Colorado
- Ram Narayanswamy
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Polarization-insensitive fabry-perot tunable filter
- Patent number 5,781,268
- Issue date Jul 14, 1998
- Board of Regents of the University of Colorado
- Jian-Yu Liu
- G02 - OPTICS
Information Patent Grant
Liquid crystal achromatic compound retarder
- Patent number 5,658,490
- Issue date Aug 19, 1997
- Board of Regents of the University of Colorado
- Gary D. Sharp
- G02 - OPTICS
Information Patent Grant
Liquid crystal phase modulator using cholesteric circular polarizers
- Patent number 5,627,666
- Issue date May 6, 1997
- Board of Regents of the University of Colorado
- Gary D. Sharp
- G02 - OPTICS
Information Patent Grant
Liquid crystal handedness switch and color filter
- Patent number 5,619,355
- Issue date Apr 8, 1997
- The Regents of the University of Colorado
- Gary D. Sharp
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
PIXEL CIRCUITS FOR LIQUID CRYSTAL ON SILICON PHASE MODULATOR
- Publication number 20250046265
- Publication date Feb 6, 2025
- Ohio State Innovation Foundation
- Chongchang MAO
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Frame buffer pixel circuit for liquid crystal display
- Publication number 20060001634
- Publication date Jan 5, 2006
- DUKE UNIVERSITY
- Sangrok Lee
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
System and method for projecting images in an electronic device
- Publication number 20050253776
- Publication date Nov 17, 2005
- DUKE UNIVERSITY
- Sangrok Lee
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Mixed mode grayscale method for display system
- Publication number 20040196304
- Publication date Oct 7, 2004
- DUKE UNIVERSITY
- Sangrok Lee
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Frame buffer pixel circuit for liquid crystal display
- Publication number 20040090411
- Publication date May 13, 2004
- Sangrok Lee
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Mixed mode grayscale method for display system
- Publication number 20040090446
- Publication date May 13, 2004
- Sangrok Lee
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Achromatic compound retarder
- Publication number 20020171793
- Publication date Nov 21, 2002
- ColorLink, Inc.
- Gary D. Sharp
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Color filters, sequencers and displays using color selective light...
- Publication number 20020101546
- Publication date Aug 1, 2002
- ColorLink, Inc.
- Gary D. Sharp
- G02 - OPTICS
Information Patent Application
Color imaging systems and methods
- Publication number 20010000971
- Publication date May 10, 2001
- ColorLink, Inc.
- Kristina M. Johnson
- G02 - OPTICS

Kristina M. Johnson

Person

Patents Grantslast 30 patents

Frame buffer pixel circuit for liquid crystal display

Frame buffer pixel circuit for liquid crystal display

Color imaging systems and methods

Mixed mode grayscale method for display system

Single-panel field-sequential color display systems

Color filters, sequencers and displays using color selective light...

Optical retarder stack formed of multiple retarder sheets

Color filters, sequencers and displays using color selective light...

Achromatic polarization inverters for displaying inverse frames in...

Display architectures using an electronically controlled optical re...

Color controllable illumination device, indicator lights, transmiss...

Color imaging systems and methods

Liquid crystal phase modulator using a ferroelectric liquid crystal...

Semiconductor laser based sensing device

Split-element liquid crystal tunable optical filter

Spatially switched achromatic compound retarder

Polarization manipulating device modulator with retarder stack whic...

Switchable achromatic compound retarder

Programmable hologram generator

Optical retarder stack pair for transforming input light into polar...

Retarder stack for preconditioning light for a modulator having mod...

Liquid crystal cell and method for assembly thereof

Adaptive attenuating spatial light modulator

Electro-optical device and method

Color shutter liquid crystal display system

Method and apparatus for robust shape detection using a hit/miss tr...

Polarization-insensitive fabry-perot tunable filter

Liquid crystal achromatic compound retarder

Liquid crystal phase modulator using cholesteric circular polarizers

Liquid crystal handedness switch and color filter

Patents Applicationslast 30 patents

PIXEL CIRCUITS FOR LIQUID CRYSTAL ON SILICON PHASE MODULATOR

Frame buffer pixel circuit for liquid crystal display

System and method for projecting images in an electronic device

Mixed mode grayscale method for display system

Frame buffer pixel circuit for liquid crystal display

Mixed mode grayscale method for display system

Achromatic compound retarder

Color filters, sequencers and displays using color selective light...

Color imaging systems and methods