Assignee
DIALIGHT CORP
US·86 granted patents·6 pending applications·3,420 citations·filing 1989–2023
Top patents by PatentIndex Score
92 records- 0198US6948829B2Light emitting diode (LED) light bulbsDIALIGHT CORP·Filed 2004·Granted Sep 27, 2005·529 cites·22 claims
- 0298US6153985ALED driving circuitry with light intensity feedback to control output light intensity of an LEDDIALIGHT CORP·Filed 1999·Granted Nov 28, 2000·291 cites·19 claims
- 0397US7568821B2Beacon light with reflector and light-emitting diodesDIALIGHT CORP·Filed 2005·Granted Aug 4, 2009·58 cites·23 claims
- 0497US5765940ALED-illuminated stop/tail lamp assemblyDIALIGHT CORP·Filed 1996·Granted Jun 16, 1998·467 cites·5 claims
- 0595US7119500B2Dynamic color mixing LED deviceDIALIGHT CORP·Filed 2003·Granted Oct 10, 2006·101 cites·8 claims
- 0694US7874703B2Total internal reflection lens with baseDIALIGHT CORP·Filed 2008·Granted Jan 25, 2011·65 cites·18 claims
- 0794US7626345B2LED assembly, and a process for manufacturing the LED assemblyDIALIGHT CORP·Filed 2005·Granted Dec 1, 2009·36 cites·7 claims
- 0894US7160004B2LED illumination device with a semicircle-like illumination patternDIALIGHT CORP·Filed 2005·Granted Jan 9, 2007·59 cites·20 claims
- 0993US11686438B1Lens to produce high angle off-axis light with wide beam widthDIALIGHT CORP·Filed 2022·Granted Jun 27, 2023·3 cites·19 claims
- 1093US11655962B1Lens to produce high angle off-axis light with narrow beam widthDIALIGHT CORP·Filed 2022·Granted May 23, 2023·2 cites·12 claims
- 1193US7997761B2LED based hazardous location light with versatile mounting configurationsDIALIGHT CORP·Filed 2008·Granted Aug 16, 2011·56 cites·6 claims
- 1293US7604380B2Apparatus for using heat pipes in controlling temperature of an LED light unitDIALIGHT CORP·Filed 2007·Granted Oct 20, 2009·45 cites·1 claims
- 1393US7119501B2Dynamic color mixing LED deviceDIALIGHT CORP·Filed 2005·Granted Oct 10, 2006·27 cites·18 claims
- 1492US7281818B2Light reflector device for light emitting diode (LED) arrayDIALIGHT CORP·Filed 2003·Granted Oct 16, 2007·131 cites·21 claims
- 1591US9679448B2Control and monitoring of battery-backed emergency lighting systemsDIALIGHT CORP·Filed 2015·Granted Jun 13, 2017·13 cites·18 claims
- 1691US7810963B2Light emitting diode module with improved light distribution uniformityDIALIGHT CORP·Filed 2007·Granted Oct 12, 2010·28 cites·20 claims
- 1791US7658513B2LED illumination device with a highly uniform illumination patternDIALIGHT CORP·Filed 2007·Granted Feb 9, 2010·42 cites·12 claims
- 1891US6425678B1Led obstruction lampDIALIGHT CORP·Filed 1999·Granted Jul 30, 2002·139 cites·6 claims
- 1991US5349504AMulti-level lightpipe design for SMD LEDsDIALIGHT CORP·Filed 1993·Granted Sep 20, 1994·125 cites·11 claims
- 2090US11300270B1Optics for edges of a structure to minimize light leakageDIALIGHT CORP·Filed 2021·Granted Apr 12, 2022·2 cites·10 claims
- 2190US7604384B2LED illumination device with a semicircle-like illumination patternDIALIGHT CORP·Filed 2007·Granted Oct 20, 2009·31 cites·22 claims
- 2290US7602057B2Signal light using phosphor coated LEDsDIALIGHT CORP·Filed 2008·Granted Oct 13, 2009·15 cites·17 claims
- 2390US6127784ALED driving circuitry with variable load to control output light intensity of an LEDDIALIGHT CORP·Filed 1998·Granted Oct 3, 2000·104 cites·10 claims
- 2489US11848702B2LiFi network and associated methodDIALIGHT CORP·Filed 2021·Granted Dec 19, 2023·2 cites·7 claims
- 2589US7132805B2Intelligent drive circuit for a light emitting diode (LED) light engineDIALIGHT CORP·Filed 2004·Granted Nov 7, 2006·43 cites·12 claims
- 2688US7208881B2LED strobe lightDIALIGHT CORP·Filed 2006·Granted Apr 24, 2007·27 cites·20 claims
- 2788US6683419B2Electrical control for an LED light source, including dimming controlDIALIGHT CORP·Filed 2002·Granted Jan 27, 2004·182 cites·9 claims
- 2888US5833355ALed illuminated lamp assemblyDIALIGHT CORP·Filed 1996·Granted Nov 10, 1998·92 cites·11 claims
- 2988US4935856ASurface mounted LED packageDIALIGHT CORP·Filed 1989·Granted Jun 19, 1990·79 cites·8 claims
- 3087US7832908B2Beacon light with reflector and light-emitting diodesDIALIGHT CORP·Filed 2009·Granted Nov 16, 2010·23 cites·24 claims
- 3187US7758210B2Beacon light with light-transmitting element and light-emitting diodesDIALIGHT CORP·Filed 2006·Granted Jul 20, 2010·34 cites·21 claims
- 3287US4959761ASurface mounted led packageDIALIGHT CORP·Filed 1989·Granted Sep 25, 1990·107 cites·10 claims
- 3386US7095187B2LED strobe lightDIALIGHT CORP·Filed 2004·Granted Aug 22, 2006·37 cites·18 claims
- 3486US5327328ALightpipe and lightpipe array for redirecting light from a surface mount ledDIALIGHT CORP·Filed 1993·Granted Jul 5, 1994·94 cites·8 claims
- 3582US6435459B1LED wayside signal for a railwayDIALIGHT CORP·Filed 1999·Granted Aug 20, 2002·55 cites·12 claims
- 3681US7777424B2Method and apparatus for controlling an input voltage to a light emitting diodeDIALIGHT CORP·Filed 2007·Granted Aug 17, 2010·8 cites·18 claims
- 3780US6533446B2Omnidirectional light with protected in-ground light sourceDIALIGHT CORP·Filed 2001·Granted Mar 18, 2003·49 cites·27 claims
- 3880US6310445B1Led indicator disable circuit and led indicator incorporating the led indicator disable circuitDIALIGHT CORP·Filed 2000·Granted Oct 30, 2001·59 cites·21 claims
- 3979US10135696B2Control and monitoring of battery-backed emergency lighting systemsDIALIGHT CORP·Filed 2017·Granted Nov 20, 2018·3 cites·18 claims
- 4079US7731384B2Method and apparatus for providing an LED light for use in hazardous locationsDIALIGHT CORP·Filed 2006·Granted Jun 8, 2010·11 cites·20 claims
- 4177US8029162B2Embedded LED light sourceDIALIGHT CORP·Filed 2007·Granted Oct 4, 2011·12 cites·17 claims
- 4276US10443814B2Diffuser with uplightDIALIGHT CORP·Filed 2017·Granted Oct 15, 2019·3 cites·19 claims
- 4376US9578728B2Long life, fail safe traffic lightDIALIGHT CORP·Filed 2013·Granted Feb 21, 2017·6 cites·8 claims
- 4476US7777322B2Apparatus for providing a light source that combines different color LEDSDIALIGHT CORP·Filed 2006·Granted Aug 17, 2010·4 cites·22 claims
- 4575US7918582B2Signal light using phosphor coated LEDsDIALIGHT CORP·Filed 2008·Granted Apr 5, 2011·10 cites·15 claims
- 4672US9581321B2LED lighting apparatus with an open frame network of light modulesDIALIGHT CORP·Filed 2014·Granted Feb 28, 2017·3 cites·16 claims
- 4771US9581309B2LED illumination device with a highly uniform illumination patternDIALIGHT CORP·Filed 2014·Granted Feb 28, 2017·1 cites·20 claims
- 4870US10317025B2Through wall lightingDIALIGHT CORP·Filed 2018·Granted Jun 11, 2019·1 cites·20 claims
- 4970USD402576SLens for clearance sidemarker and identification lampDIALIGHT CORP·Filed 1997·Granted Dec 15, 1998·16 cites·1 claims
- 5069US10514160B2Light fixture mount for light fixtures in hazardous locationsDIALIGHT CORP·Filed 2017·Granted Dec 24, 2019·1 cites·16 claims
Showing the top 50 of 92 patent records by PatentIndex Score.
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