Assignee
DIALIGHT CORP
US86 patents
Top patents by PatentIndex Score
US6948829B2Sep 27, 2005
Light emitting diode (LED) light bulbs
DIALIGHT CORP529 citations98
US6153985ANov 28, 2000
LED driving circuitry with light intensity feedback to control output light intensity of an LED
DIALIGHT CORP291 citations98
US5765940AJun 16, 1998
LED-illuminated stop/tail lamp assembly
DIALIGHT CORP467 citations98
US7997761B2Aug 16, 2011
LED based hazardous location light with versatile mounting configurations
DIALIGHT CORP56 citations97
US7568821B2Aug 4, 2009
Beacon light with reflector and light-emitting diodes
DIALIGHT CORP58 citations97
US7119500B2Oct 10, 2006
Dynamic color mixing LED device
DIALIGHT CORP101 citations97
US7160004B2Jan 9, 2007
LED illumination device with a semicircle-like illumination pattern
DIALIGHT CORP59 citations96
US7874703B2Jan 25, 2011
Total internal reflection lens with base
DIALIGHT CORP65 citations95
US7281818B2Oct 16, 2007
Light reflector device for light emitting diode (LED) array
DIALIGHT CORP131 citations94
US6425678B1Jul 30, 2002
Led obstruction lamp
DIALIGHT CORP139 citations94
US6127784AOct 3, 2000
LED driving circuitry with variable load to control output light intensity of an LED
DIALIGHT CORP104 citations94
US5833355ANov 10, 1998
Led illuminated lamp assembly
DIALIGHT CORP92 citations93
US5349504ASep 20, 1994
Multi-level lightpipe design for SMD LEDs
DIALIGHT CORP125 citations93
US4935856AJun 19, 1990
Surface mounted LED package
DIALIGHT CORP79 citations93
US7832908B2Nov 16, 2010
Beacon light with reflector and light-emitting diodes
DIALIGHT CORP23 citations92
US7810963B2Oct 12, 2010
Light emitting diode module with improved light distribution uniformity
DIALIGHT CORP28 citations92
US7758210B2Jul 20, 2010
Beacon light with light-transmitting element and light-emitting diodes
DIALIGHT CORP34 citations92
US7602057B2Oct 13, 2009
Signal light using phosphor coated LEDs
DIALIGHT CORP15 citations92
US7208881B2Apr 24, 2007
LED strobe light
DIALIGHT CORP27 citations92
US7119501B2Oct 10, 2006
Dynamic color mixing LED device
DIALIGHT CORP27 citations92
US7095187B2Aug 22, 2006
LED strobe light
DIALIGHT CORP37 citations92
US5327328AJul 5, 1994
Lightpipe and lightpipe array for redirecting light from a surface mount led
DIALIGHT CORP94 citations92
US7658513B2Feb 9, 2010
LED illumination device with a highly uniform illumination pattern
DIALIGHT CORP42 citations91
US7604380B2Oct 20, 2009
Apparatus for using heat pipes in controlling temperature of an LED light unit
DIALIGHT CORP45 citations91
US7604384B2Oct 20, 2009
LED illumination device with a semicircle-like illumination pattern
DIALIGHT CORP31 citations91
US6683419B2Jan 27, 2004
Electrical control for an LED light source, including dimming control
DIALIGHT CORP182 citations90
US6533446B2Mar 18, 2003
Omnidirectional light with protected in-ground light source
DIALIGHT CORP49 citations90
US6435459B1Aug 20, 2002
LED wayside signal for a railway
DIALIGHT CORP55 citations90
US7626345B2Dec 1, 2009
LED assembly, and a process for manufacturing the LED assembly
DIALIGHT CORP36 citations89
US7132805B2Nov 7, 2006
Intelligent drive circuit for a light emitting diode (LED) light engine
DIALIGHT CORP43 citations89
US4959761ASep 25, 1990
Surface mounted led package
DIALIGHT CORP107 citations88
US6310445B1Oct 30, 2001
Led indicator disable circuit and led indicator incorporating the led indicator disable circuit
DIALIGHT CORP59 citations85
US8029162B2Oct 4, 2011
Embedded LED light source
DIALIGHT CORP12 citations84
US7918582B2Apr 5, 2011
Signal light using phosphor coated LEDs
DIALIGHT CORP10 citations83
US7731384B2Jun 8, 2010
Method and apparatus for providing an LED light for use in hazardous locations
DIALIGHT CORP11 citations82
US9679448B2Jun 13, 2017
Control and monitoring of battery-backed emergency lighting systems
DIALIGHT CORP13 citations79
US7777424B2Aug 17, 2010
Method and apparatus for controlling an input voltage to a light emitting diode
DIALIGHT CORP8 citations79
US7329034B2Feb 12, 2008
Multi-level surface mounted lightpipe package design with LED light sources
DIALIGHT CORP18 citations79
US7510303B2Mar 31, 2009
LED illuminated lamp with thermoelectric heat management
DIALIGHT CORP15 citations76
US7777322B2Aug 17, 2010
Apparatus for providing a light source that combines different color LEDS
DIALIGHT CORP4 citations74
US11686438B1Jun 27, 2023
Lens to produce high angle off-axis light with wide beam width
DIALIGHT CORP3 citations73
US11655962B1May 23, 2023
Lens to produce high angle off-axis light with narrow beam width
DIALIGHT CORP2 citations73
USD421726SMar 21, 2000
Combined lens for clearance sidemarker and identification lamp
DIALIGHT CORP8 citations72
USD414712SOct 5, 1999
Combined lens for clearance sidemarker and identification lamp
DIALIGHT CORP13 citations72
USD402576SDec 15, 1998
Lens for clearance sidemarker and identification lamp
DIALIGHT CORP16 citations72
USD397633SSep 1, 1998
Lens for a combined lens clearance sidemarker and identification lamp
DIALIGHT CORP11 citations72
US11300270B1Apr 12, 2022
Optics for edges of a structure to minimize light leakage
DIALIGHT CORP2 citations71
US9581321B2Feb 28, 2017
LED lighting apparatus with an open frame network of light modules
DIALIGHT CORP3 citations71
US11848702B2Dec 19, 2023
LiFi network and associated method
DIALIGHT CORP2 citations70
US10443814B2Oct 15, 2019
Diffuser with uplight
DIALIGHT CORP3 citations68
Showing the top 50 of 86 patents by PatentIndex Score.