Inventor
HANSEN RONALD L
US27 patents
⚠️ This page may combine multiple inventors who share the name “HANSEN RONALD L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANDESCENT TECH CORP
13 patentsUS6069597AMay 30, 2000
Circuit and method for controlling the brightness of an FED device
CANDESCENT TECH CORP184 citations99
US6147664ANov 14, 2000
Controlling the brightness of an FED device using PWM on the row side and AM on the column side
CANDESCENT TECH CORP102 citations98
US5910792AJun 8, 1999
Method and apparatus for brightness control in a field emission display
CANDESCENT TECH CORP77 citations96
US6069598AMay 30, 2000
Circuit and method for controlling the brightness of an FED device in response to a light sensor
CANDESCENT TECH CORP46 citations92
US5898415AApr 27, 1999
Circuit and method for controlling the color balance of a flat panel display without reducing gray scale resolution
CANDESCENT TECH CORP25 citations92
US6169529B1Jan 2, 2001
Circuit and method for controlling the color balance of a field emission display
CANDESCENT TECH CORP27 citations90
US6166490ADec 26, 2000
Field emission display of uniform brightness independent of column trace-induced signal deterioration
CANDESCENT TECH CORP14 citations74
US6541912B1Apr 1, 2003
Auxiliary chamber and display device with improved contaminant removal
CANDESCENT TECH CORP12 citations72
US6448949B1Sep 10, 2002
System and method for improving emitter life in flat panel field emission displays
CANDESCENT TECH CORP5 citations72
US6133893AOct 17, 2000
System and method for improving emitter life in flat panel field emission displays
CANDESCENT TECH CORP7 citations72
US6771027B2Aug 3, 2004
System and method for adjusting field emission display illumination
CANDESCENT TECH CORP2 citations63
US5831392ANov 3, 1998
Device for conditioning control signal to electron emitter, preferably so that collected electron current varies linearly with input control voltage
CANDESCENT TECH CORP3 citations63
US6853135B1Feb 8, 2005
Apparatus for removing contaminants from a display device
CANDESCENT TECH CORP3 citations62
CANDESCENT INTELLECTUAL PROP
5 patentsUS6822628B2Nov 23, 2004
Methods and systems for compensating row-to-row brightness variations of a field emission display
CANDESCENT INTELLECTUAL PROP215 citations96
US6429836B1Aug 6, 2002
Circuit and method for display of interlaced and non-interlaced video information on a flat panel display apparatus
CANDESCENT INTELLECTUAL PROP30 citations92
US6369784B1Apr 9, 2002
System and method for improving emitter life in flat panel field emission displays
CANDESCENT INTELLECTUAL PROP7 citations72
US6462484B2Oct 8, 2002
Procedures and apparatus for turning-on and turning-off elements within a field emission display device
CANDESCENT INTELLECTUAL PROP4 citations55
US6433473B1Aug 13, 2002
Row electrode anodization
CANDESCENT INTELLECTUAL PROP0 citations48