Inventor · disambiguated record
David G. Pelka
Also filed as: PELKA DAVID · PELKA DAVID G · PELKA DAVID GERARD
52 granted patents·7 pending applications·5,534 citations·filing 1981–2019
99Inventor score
Files withTELEDYNE LIGHTING & DISPLAY13SEOUL SEMICONDUCTOR CO LTD10TIR TECHNOLOGIES INC8PANAGOTACOS GEORGE W3INTELED CORP2
Top patents by PatentIndex Score
59 records- 0199US6473554B1Lighting apparatus having low profileTELEDYNE LIGHTING & DISPLAY·Filed 1997·Granted Oct 29, 2002·350 cites·48 claims
- 0299US6007209ALight source for backlightingTELEDYNE IND·Filed 1997·Granted Dec 28, 1999·331 cites·22 claims
- 0398US7559672B1Linear illumination lens with Fresnel facetsINTELED CORP·Filed 2008·Granted Jul 14, 2009·208 cites·5 claims
- 0498US6637924B2Strip lighting apparatus and methodTELEDYNE LIGHTING & DISPLAY·Filed 2001·Granted Oct 28, 2003·200 cites·15 claims
- 0598US6560038B1Light extraction from LEDs with light pipesTELEDYNE LIGHTING & DISPLAY·Filed 2001·Granted May 6, 2003·287 cites·13 claims
- 0698US5806955ATIR lens for waveguide injectionTIR TECHNOLOGIES INC·Filed 1995·Granted Sep 15, 1998·315 cites·20 claims
- 0798US5404869AFaceted totally internally reflecting lens with individually curved faces on facetsTIR TECHNOLOGIES INC·Filed 1992·Granted Apr 11, 1995·257 cites·53 claims
- 0898US4337759ARadiant energy concentration by optical total internal reflectionPOPOVICH JOHN M·Filed 1981·Granted Jul 6, 1982·242 cites·32 claims
- 0997US7273299B2Cylindrical irradiance-mapping lens and its applications to LED shelf-lightingPELKA & ASSOCIATES·Filed 2006·Granted Sep 25, 2007·108 cites·18 claims
- 1097US6566824B2Flexible lighting segmentTELEDYNE LIGHTING & DISPLAY·Filed 2001·Granted May 20, 2003·241 cites·25 claims
- 1196US7618162B1Irradiance-redistribution lens and its applications to LED downlightsINTELED CORP·Filed 2005·Granted Nov 17, 2009·89 cites·45 claims
- 1296US6784603B2Fluorescent lighting apparatusTELEDYNE LIGHTING & DISPLAY·Filed 2002·Granted Aug 31, 2004·109 cites·46 claims
- 1396US6647199B1Lighting apparatus having low profileTELEDYNE LIGHTING & DISPLAY·Filed 1999·Granted Nov 11, 2003·151 cites·14 claims
- 1496US6603243B2LED light source with field-of-view-controlling opticsTELEDYNE TECH INC·Filed 2001·Granted Aug 5, 2003·132 cites·22 claims
- 1596US6582103B1Lighting apparatusTELEDYNE LIGHTING & DISPLAY·Filed 2000·Granted Jun 24, 2003·485 cites·52 claims
- 1696US5676453ACollimating TIR lens devices employing fluorescent light sourcesTIR TECHNOLOGIES INC·Filed 1995·Granted Oct 14, 1997·180 cites·13 claims
- 1796US5655832AMultiple wavelength light processorTIR TECHNOLOGIES INC·Filed 1995·Granted Aug 12, 1997·267 cites·29 claims
- 1896US5577492ACollimating TIR lens with focusing filter lensTIR TECHNOLOGIES INC·Filed 1995·Granted Nov 26, 1996·145 cites·23 claims
- 1995US8534901B2Collimating waveguide apparatus and methodPANAGOTACOS GEORGE W·Filed 2010·Granted Sep 17, 2013·96 cites·34 claims
- 2095US7731395B2Linear lenses for LEDsANTHONY INTERNAT·Filed 2006·Granted Jun 8, 2010·52 cites·33 claims
- 2195US7344280B2Illuminator assemblyTELEDYNE LIGHTING & DISPLAY·Filed 2006·Granted Mar 18, 2008·34 cites·35 claims
- 2295US5365354AGrin type diffuser based on volume holographic materialPHYSICAL OPTICS CORP·Filed 1992·Granted Nov 15, 1994·167 cites·10 claims
- 2394US9507204B2Baffled micro-optical elements for thin liquid crystal display backlight unitsSEOUL SEMICONDUCTOR CO LTD·Filed 2014·Granted Nov 29, 2016·42 cites·14 claims
- 2494US6744960B2Lighting apparatus having quantum dot layerTELEDYNE LIGHTING & DISPLAY·Filed 2001·Granted Jun 1, 2004·134 cites·76 claims
- 2593US5613769ATir lens apparatus having non-circular configuration about an optical axisTIR TECHNOLOGIES INC·Filed 1995·Granted Mar 25, 1997·112 cites·13 claims
- 2692US6177761B1LED with light extractorTELEDYNE LIGHTING & DISPLAY·Filed 1998·Granted Jan 23, 2001·144 cites·14 claims
- 2792US5577493AAuxiliary lens to modify the output flux distribution of a TIR lensTIR TECHNOLOGIES INC·Filed 1994·Granted Nov 26, 1996·83 cites·28 claims
- 2889US7674019B2Free-form lenses for rectangular illumination zonesANTHONY INC·Filed 2008·Granted Mar 9, 2010·39 cites·12 claims
- 2989US6134092AIllumination device for non-emissive displaysTELEDYNE LIGHTING & DISPLAY·Filed 1998·Granted Oct 17, 2000·99 cites·29 claims
- 3088US9046293B2Wide-angle non-imaging illumination lens arrayable for close planar targetsPARKYN ELIZABETH M·Filed 2013·Granted Jun 2, 2015·19 cites·22 claims
- 3188US5826874AMagnetic golf club swing sensor and golf simulatorVR SPORTS INC·Filed 1997·Granted Oct 27, 1998·148 cites·15 claims
- 3285US7808581B2Low profile backlight apparatusTELEDYNE LIGHTING & DISPLAY·Filed 2008·Granted Oct 5, 2010·14 cites·24 claims
- 3384US9714751B2Illumination lens for short-throw lightingSEOUL SEMICONDUCTOR CO LTD·Filed 2015·Granted Jul 25, 2017·3 cites·19 claims
- 3484US9664356B2Illumination lens for short-throw lightingSEOUL SEMICONDUCTOR CO LTD·Filed 2015·Granted May 30, 2017·3 cites·11 claims
- 3582US9631790B2Illumination lens for short-throw lightingSEOUL SEMICONDUCTOR CO LTD·Filed 2015·Granted Apr 25, 2017·3 cites·13 claims
- 3682US8358081B2Lamp assemblyTELEDYNE TECH INC·Filed 2009·Granted Jan 22, 2013·9 cites·25 claims
- 3782US5728006AMagnetic golf club swing sensor and golf simulatorVR SPORTS INC·Filed 1996·Granted Mar 17, 1998·88 cites·16 claims
- 3881US8992053B2Illumination lens for short-throw lightingSEOUL SEMICONDUCTOR CO LTD·Filed 2013·Granted Mar 31, 2015·4 cites·10 claims
- 3978US7163318B2Illuminator assemblyTELEDYNE LIGHTING & DISPLAY·Filed 2003·Granted Jan 16, 2007·23 cites·23 claims
- 4075US5276537ADiamondlike carbon thin film protected hologram and method of making samePHYSICAL OPTICS CORP·Filed 1992·Granted Jan 4, 1994·36 cites·14 claims
- 4174US10983394B2Thin direct-view LED backlightsSEOUL SEMICONDUCTOR CO LTD·Filed 2019·Granted Apr 20, 2021·0 cites·16 claims
- 4272US5721795AHigh efficiency ejection of light from optical wave guide, by holographically produced light scattering meansTIR TECHNOLOGIES INC·Filed 1996·Granted Feb 24, 1998·36 cites·24 claims
- 4369US4836862AThermophotovoltaic systemPELKA DAVID G·Filed 1987·Granted Jun 6, 1989·28 cites·20 claims
- 4468US9880417B2Illumination lens for LED backlightsSEOUL SEMICONDUCTOR CO LTD·Filed 2015·Granted Jan 30, 2018·1 cites·5 claims
- 4565US10503010B2Thin direct-view LED backlightsSEOUL SEMICONDUCTOR CO LTD·Filed 2017·Granted Dec 10, 2019·0 cites·14 claims
- 4662US4448545ANon-intrusive thermal power monitor and methodSOUTHERN CALIFORNIA GAS CO·Filed 1982·Granted May 15, 1984·20 cites·30 claims
- 4758US10274783B2Direct-view LED backlight with gradient reflective layerPELKA & ASS INC·Filed 2018·Granted Apr 30, 2019·0 cites·33 claims
- 4856US9255695B2Illumination lens for LED backlightsSEOUL SEMICONDUCTOR CO LTD·Filed 2013·Granted Feb 9, 2016·0 cites·11 claims
- 4954US2012132278A1Luminescent solar energy concentratorWINSTON ROLAND·Filed 2011·Application pending·0 cites
- 5052US10609879B2Apparatus and method for preventing anaerobic root conditionsPLANT GROWTH TECH INC·Filed 2018·Granted Apr 7, 2020·0 cites·12 claims
Showing the top 50 of 59 patent records by PatentIndex Score.
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