Inventor · disambiguated record
Frank R. Libsch
Also filed as: LIBSCH FRANK · LIBSCH FRANK R · LIBSCH FRANK ROBERT
86 granted patents·15 pending applications·1,780 citations·filing 1995–2024
99Inventor score
Top patents by PatentIndex Score
101 records- 0198US6734636B2OLED current drive pixel circuitIBM·Filed 2002·Granted May 11, 2004·371 cites·17 claims
- 0297US7071932B2Data voltage current drive amoled pixel circuitTOPPOLY OPTOELECTRONICS CORP·Filed 2002·Granted Jul 4, 2006·220 cites·16 claims
- 0397US7038392B2Active-matrix light emitting display and method for obtaining threshold voltage compensation for sameIBM·Filed 2003·Granted May 2, 2006·203 cites·37 claims
- 0496US10002856B1Micro-LED array transferIBM·Filed 2017·Granted Jun 19, 2018·13 cites·16 claims
- 0596US8483253B23D optoelectronic packagingBUDD RUSSELL A·Filed 2012·Granted Jul 9, 2013·27 cites·14 claims
- 0695US10032973B1Magnetically guided chiplet displacementIBM·Filed 2017·Granted Jul 24, 2018·10 cites·13 claims
- 0795US8855452B2Silicon photonic chip optical coupling structuresANDRY PAUL S·Filed 2012·Granted Oct 7, 2014·26 cites·23 claims
- 0894US7421160B1Coupling element alignment using waveguide fiducialsIBM·Filed 2007·Granted Sep 2, 2008·36 cites·14 claims
- 0994US7167169B2Active matrix oled voltage drive pixel circuitTOPPOLY OPTOELECTRONICS CORP·Filed 2002·Granted Jan 23, 2007·78 cites·15 claims
- 1093US12270777B22D microfluidic structureIBM·Filed 2023·Granted Apr 8, 2025·1 cites·20 claims
- 1192US8111730B23D optoelectronic packagingBUDD RUSSELL A·Filed 2009·Granted Feb 7, 2012·20 cites·8 claims
- 1292US7780063B2Techniques for arranging solder balls and forming bumpsIBM·Filed 2008·Granted Aug 24, 2010·12 cites·16 claims
- 1391US10830724B2Micro-capacitance sensor array containing spaced apart first and second overlapping and parallel electrode plates for sensing analytesIBM·Filed 2017·Granted Nov 10, 2020·3 cites·4 claims
- 1490US10423805B2Encryption engine with an undetectable/tamper-proof private key in late node CMOS technologyIBM·Filed 2016·Granted Sep 24, 2019·5 cites·15 claims
- 1590US9989702B2Polarization rotator for silicon photonicsIBM·Filed 2015·Granted Jun 5, 2018·8 cites·20 claims
- 1690US9057844B2Grating edge coupler and method of forming sameIBM·Filed 2013·Granted Jun 16, 2015·10 cites·7 claims
- 1790US8290008B2Silicon carrier optoelectronic packagingANDRY PAUL S·Filed 2009·Granted Oct 16, 2012·18 cites·12 claims
- 1889US8411719B23D optoelectronic packagingBUDD RUSSELL A·Filed 2012·Granted Apr 2, 2013·8 cites·4 claims
- 1989US7853105B2Coupling element alignment using waveguide fiducialsIBM·Filed 2009·Granted Dec 14, 2010·15 cites·6 claims
- 2089US6211851B1Method and apparatus for eliminating crosstalk in active matrix liquid crystal displaysIBM·Filed 1999·Granted Apr 3, 2001·80 cites·14 claims
- 2188US10422672B12D nanoparticle motion sensing methods and structuresIBM·Filed 2018·Granted Sep 24, 2019·5 cites·20 claims
- 2287US7612749B2Driving circuits for displaysCHI MEI OPTOELECTRONICS CORP·Filed 2003·Granted Nov 3, 2009·44 cites·24 claims
- 2382US6667791B2Passive drive matrix displayIBM·Filed 2002·Granted Dec 23, 2003·34 cites·27 claims
- 2482US6338988B1Method for fabricating self-aligned thin-film transistors to define a drain and source in a single photolithographic stepIBM·Filed 1999·Granted Jan 15, 2002·50 cites·20 claims
- 2581US9341828B2Multi-core fiber optical coupling elementsBUDD RUSSELL A·Filed 2011·Granted May 17, 2016·5 cites·22 claims
- 2681US5790090AActive matrix liquid crystal display with reduced drive pulse amplitudesIBM·Filed 1996·Granted Aug 4, 1998·62 cites·8 claims
- 2780US10170036B2Systems and methods for displaying imagesIBM·Filed 2015·Granted Jan 1, 2019·2 cites·18 claims
- 2880US9565759B2Axiocentric scrubbing land grid array contacts and methods for fabricationGLOBALFOUNDRIES INC·Filed 2015·Granted Feb 7, 2017·2 cites·3 claims
- 2980US9407066B2III-V lasers with integrated silicon photonic circuitsGLOBALFOUNDRIES INC·Filed 2013·Granted Aug 2, 2016·3 cites·13 claims
- 3080US8263879B2Axiocentric scrubbing land grid array contacts and methods for fabricationHOUGHAM GARETH·Filed 2009·Granted Sep 11, 2012·14 cites·7 claims
- 3180US5940057AMethod and apparatus for eliminating crosstalk in active matrix liquid crystal displaysIBM·Filed 1995·Granted Aug 17, 1999·51 cites·13 claims
- 3279US10319893B2Magnetically guided chiplet displacementIBM·Filed 2018·Granted Jun 11, 2019·2 cites·23 claims
- 3378US10444045B22D nanoparticle motion sensing methods and structuresIBM·Filed 2018·Granted Oct 15, 2019·2 cites·20 claims
- 3477US11043270B1SoC package with integrated ultraviolet light sourceIBM·Filed 2020·Granted Jun 22, 2021·1 cites·20 claims
- 3576US8087566B2Techniques for arranging solder balls and forming bumpsBUDD RUSSELL A·Filed 2009·Granted Jan 3, 2012·4 cites·6 claims
- 3676US6580127B1High performance thin film transistor and active matrix process for flat panel displaysIBM·Filed 1999·Granted Jun 17, 2003·37 cites·12 claims
- 3775US6731064B2Yield enchancement pixel structure for active matrix organic light-emitting diode displaysIBM·Filed 2002·Granted May 4, 2004·20 cites·24 claims
- 3874US7891538B2Techniques for arranging solder balls and forming bumpsIBM·Filed 2009·Granted Feb 22, 2011·2 cites·8 claims
- 3974US6403407B1Method of forming fully self-aligned TFT with improved process windowIBM·Filed 2000·Granted Jun 11, 2002·21 cites·29 claims
- 4073US6310594B1Driving method and circuit for pixel multiplexing circuitsIBM·Filed 1998·Granted Oct 30, 2001·41 cites·26 claims
- 4172US11016048B2Micro-capacitance sensor array containing spaced apart first and second overlapping and parallel electrode plates for sensing analytesIBM·Filed 2019·Granted May 25, 2021·0 cites·15 claims
- 4272US9091819B2Grating edge coupler and method of forming sameIBM·Filed 2013·Granted Jul 28, 2015·2 cites·10 claims
- 4371US8596879B2Method to reorder (shuffle) optical cable waveguide layersBUDD RUSSELL A·Filed 2011·Granted Dec 3, 2013·2 cites·9 claims
- 4470US12487203B2Spiral impedance structureIBM·Filed 2023·Granted Dec 2, 2025·0 cites·20 claims
- 4570US9411106B2Polarization-independent grating coupler for silicon on insulatorIBM·Filed 2014·Granted Aug 9, 2016·2 cites·20 claims
- 4669US12474250B2Linear fluidic cell trap device for single cell detectionIBM·Filed 2023·Granted Nov 18, 2025·0 cites·20 claims
- 4769US6437596B1Integrated circuits for testing a display arrayIBM·Filed 1999·Granted Aug 20, 2002·39 cites·16 claims
- 4868US2025001412A1Linear microfluidic deviceIBM·Filed 2023·Application pending·0 cites
- 4968US2025375765A1Lab bench array, system and methodology for plant cellsIBM·Filed 2024·Application pending·0 cites
- 5066US7613368B2Mixed electrical and optical LGA interposer for facilitating chip to board communications by dual signal typesIBM·Filed 2004·Granted Nov 3, 2009·9 cites·16 claims
Showing the top 50 of 101 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Frank R. Libsch files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →