Inventor · disambiguated record
Amalkumar P. Ghosh
Also filed as: GHOSH AMALKUMAR · GHOSH AMALKUMAR P
49 granted patents·25 pending applications·801 citations·filing 1996–2025
98Inventor score
Top patents by PatentIndex Score
74 records- 0196US7245065B2Reducing angular dependency in microcavity color OLEDsEASTMAN KODAK CO·Filed 2005·Granted Jul 17, 2007·46 cites·36 claims
- 0292US11905590B2Direct-deposition system including standoffs for controlling substrate-mask separationEMAGIN CORP·Filed 2021·Granted Feb 20, 2024·2 cites·17 claims
- 0391US11955072B2OLED-based display having pixel compensation and methodEMAGIN CORP·Filed 2022·Granted Apr 9, 2024·2 cites·8 claims
- 0491US6069443APassive matrix OLED displayFED CORP·Filed 1998·Granted May 30, 2000·264 cites·38 claims
- 0590US5866978AMatrix getter for residual gas in vacuum sealed panelsFED CORP·Filed 1997·Granted Feb 2, 1999·63 cites·46 claims
- 0689US10072328B2High-precision shadow-mask-deposition system and method thereforEMAGIN CORP·Filed 2017·Granted Sep 11, 2018·3 cites·32 claims
- 0788US9793252B2Method of integrating inorganic light emitting diode with oxide thin film transistor for display applicationsEMAGIN CORP·Filed 2016·Granted Oct 17, 2017·6 cites·16 claims
- 0887US11152573B2Shadow mask comprising a gravity-compensation layer and method of fabricationEMAGIN CORP·Filed 2018·Granted Oct 19, 2021·2 cites·11 claims
- 0987US10147906B2High efficacy seal for organic light emitting diode displaysEMAGIN CORP·Filed 2015·Granted Dec 4, 2018·2 cites·15 claims
- 1085US6608283B2Apparatus and method for solder-sealing an active matrix organic light emitting diodeEMAGIN CORP·Filed 2001·Granted Aug 19, 2003·45 cites·56 claims
- 1183US10644239B2High precision, high resolution collimating shadow mask and method for fabricating a micro-displayEMAGIN CORP·Filed 2015·Granted May 5, 2020·4 cites·6 claims
- 1283US8564187B2Color organic light-emitting diode display deviceGHOSH AMALKUMAR P·Filed 2012·Granted Oct 22, 2013·5 cites·28 claims
- 1383US6888172B2Apparatus and method for encapsulating an OLED formed on a flexible substrateEASTMAN KODAK CO·Filed 2003·Granted May 3, 2005·35 cites·11 claims
- 1482US10636969B2Apparatus and method of directly patterning high resolution active matrix organic light emitting diodes using high-resolution shadow maskEMAGIN CORP·Filed 2018·Granted Apr 28, 2020·4 cites·20 claims
- 1579US6265820B1Heat removal system for use in organic light emitting diode displays having high brightnessEMAGIN CORP·Filed 1999·Granted Jul 24, 2001·140 cites·15 claims
- 1679US2025374727A1Monolithically Integrated Top-Gate Thin-Film Transistor and Light-Emitting Diode and Method of MakingEMAGIN CORP·Filed 2025·Application pending·0 cites
- 1778US5771098ALaser interferometric lithographic system providing automatic change of fringe spacingFED CORP·Filed 1996·Granted Jun 23, 1998·38 cites·3 claims
- 1876US11035033B2Direct-deposition system including standoffs for controlling substrate-mask separationEMAGIN CORP·Filed 2018·Granted Jun 15, 2021·1 cites·16 claims
- 1975US11275315B2High-precision shadow-mask-deposition system and method thereforEMAGIN CORP·Filed 2017·Granted Mar 15, 2022·2 cites·30 claims
- 2074US6027388ALithographic structure and method for making field emittersFED CORP·Filed 1997·Granted Feb 22, 2000·27 cites·35 claims
- 2172US12217668B2OLED-based display having pixel compensation and methodEMAGIN CORP·Filed 2024·Granted Feb 4, 2025·0 cites·9 claims
- 2271US11482671B2Apparatus and method for direct patterning of an organic material using an electrostatic maskEMAGIN CORP·Filed 2020·Granted Oct 25, 2022·0 cites·5 claims
- 2370US10815563B2Linear source apparatus, system and method of useEMAGIN CORP·Filed 2018·Granted Oct 27, 2020·0 cites·11 claims
- 2469US6844215B1Method of forming tapered drain-to-anode connectors in a back plane for an active matrix OLED deviceEASTMAN KODAK CO·Filed 2003·Granted Jan 18, 2005·13 cites·9 claims
- 2568US11313033B2Linear source apparatus, system and method of useEMAGIN CORP·Filed 2020·Granted Apr 26, 2022·0 cites·18 claims
- 2668US10386731B2Shadow-mask-deposition system and method thereforEMAGIN CORP·Filed 2017·Granted Aug 20, 2019·1 cites·33 claims
- 2766US12414424B2Monolithically integrated top-gate thin-film transistor and light-emitting diode and method of makingEMAGIN CORP·Filed 2022·Granted Sep 9, 2025·0 cites·12 claims
- 2866US7304428B2Multilayered cathode structures having silver for OLED devicesEASTMAN KODAK CO·Filed 2004·Granted Dec 4, 2007·14 cites·12 claims
- 2965US2025318418A1High resolution dpd mask cleaning methodsEMAGIN CORP·Filed 2025·Application pending·0 cites
- 3063US2022406862A1Large area display and method for making sameEMAGIN CORP·Filed 2022·Application pending·0 cites
- 3163US2024081135A1Rigid Sapphire Based Direct Patterning Deposition MaskEMAGIN CORP·Filed 2023·Application pending·0 cites
- 3262US9899456B2Large area OLED microdisplay and method of manufacturing sameEMAGIN CORP·Filed 2016·Granted Feb 20, 2018·1 cites·22 claims
- 3361US10903427B2Apparatus and method for direct patterning of an organic material using an electrostatic maskEMAGIN CORP·Filed 2018·Granted Jan 26, 2021·0 cites·15 claims
- 3461US7745340B2Method of clearing electrical contact pads in thin film sealed OLED devicesEMAGIN CORP·Filed 2005·Granted Jun 29, 2010·2 cites·1 claims
- 3560US8975832B2Stacked, non-inverted dielectrically isolated, organic light emitting diode display formed on a silicon-on-insulator based substrate and method of sameKHAYRULLIN ILYAS I·Filed 2012·Granted Mar 10, 2015·1 cites·11 claims
- 3659US11758751B2Display comprising OLEDs having transparent top electrodes and method of forming sameEMAGIN CORP·Filed 2021·Granted Sep 12, 2023·0 cites·16 claims
- 3759US8974263B2Method of manufacturing organic light emitting diode arrays and system for eliminating defects in organic light emitting diode arraysEMAGIN CORP·Filed 2013·Granted Mar 10, 2015·0 cites·7 claims
- 3859US6060728AOrganic light emitting device structure and processFED CORP·Filed 1998·Granted May 9, 2000·59 cites·15 claims
- 3958US7121912B2Method of improving stability in OLED devicesEASTMAN KODAK CO·Filed 2004·Granted Oct 17, 2006·5 cites·5 claims
- 4058US2024130160A1Tandem OLED Structure with Patterned Intermediate LayersEMAGIN CORP·Filed 2023·Application pending·0 cites
- 4157US2024121977A1Tandem OLED with Intermediate Alloy LayerEMAGIN CORP·Filed 2023·Application pending·0 cites
- 4257US2024081136A1System and Method for Direct Patterning Using a Compensated Shadow MaskEMAGIN CORP·Filed 2023·Application pending·0 cites
- 4357US2024042482A1Evaporation system having improved collimationEMAGIN CORP·Filed 2023·Application pending·0 cites
- 4456US8944873B2Method of manufacturing organic light emitting diode arrays and system for eliminating defects in organic light emitting diode arraysGHOSH AMALKUMAR P·Filed 2012·Granted Feb 3, 2015·0 cites·7 claims
- 4554US11862095B2OLED-based display having pixel compensation and methodEMAGIN CORP·Filed 2022·Granted Jan 2, 2024·0 cites·15 claims
- 4654US11149340B2Method of designing and fabricating a microlens arrayEMAGIN CORP·Filed 2018·Granted Oct 19, 2021·0 cites·9 claims
- 4753US8961254B2Method of manufacturing organic light emitting diode arrays and system for eliminating defects in organic light emitting diode arraysGHOSH AMALKUMAR P·Filed 2010·Granted Feb 24, 2015·0 cites·13 claims
- 4850US7233026B2Light extraction from color changing medium layers in organic light emitting diode devicesEMAGIN CORP·Filed 2001·Granted Jun 19, 2007·2 cites·10 claims
- 4949US11437451B2Large area display and method for making sameEMAGIN CORP·Filed 2017·Granted Sep 6, 2022·0 cites·7 claims
- 5048USRE44941EMethod of clearing electrical contact pads in thin film sealed OLED devicesGHOSH AMALKUMAR P·Filed 2012·Granted Jun 10, 2014·0 cites·12 claims
Showing the top 50 of 74 patent records by PatentIndex Score.
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