Inventor · Yardley, PA, US

Julia J. Brown

118Patents
13h-index
96Co-inventors
89Inventor score

Filing activity: Dec 22, 1992 → Dec 5, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US6046659A Design and fabrication of broadband surface-micromachined micro-electro-mechanical switches for microwave and millimeter-wave applications Electricity 270 Expired
US6835950B2 Organic electronic devices with pressure sensitive adhesive layer Emerging Cross-Sectional Technologies 117 Expired
US6803720B2 Highly stable and efficient OLEDs with a phosphorescent-doped mixed layer architecture Electricity 62 Expired
US6504235B2 Passivation layer and process for semiconductor devices Electricity 58 Expired
US6331257A Fabrication of broadband surface-micromachined micro-electro-mechanical switches for microwave and millimeter-wave applications Electricity 55 Expired
US6897474B2 Protected organic electronic devices and methods for making the same Electricity 47 Expired
US6316820A Passivation layer and process for semiconductor devices Electricity 43 Expired
US8940568B2 Patterning method for OLEDs Electricity 32 Active
US6069587A Multiband millimeterwave reconfigurable antenna using RF mem switches Electricity 28 Expired
US6043727A Reconfigurable millimeterwave filter using stubs and stub extensions selectively coupled using voltage actuated micro-electro-mechanical switches Electricity 23 Expired
US7683536B2 OLEDs utilizing direct injection to the triplet state Emerging Cross-Sectional Technologies 20 Active
US5359220A Hybrid bipolar/field-effect power transistor in group III-V material system Electricity 16 Expired
US9601708B2 Organic light emitting device and materials for use in same Electricity 13 Active
US8866416B2 Illumination source using LEDs and OLEDs Emerging Cross-Sectional Technologies 13 Active
US9312511B2 Edge barrier film for electronic devices Emerging Cross-Sectional Technologies 11 Active
US9577221B2 Three stack hybrid white OLED for enhanced efficiency and lifetime Electricity 8 Active
US10916704B2 Vapor jet printing Electricity 7 Active
US7151339B2 OLED efficiency by utilization of different doping concentrations within the device emissive layer Electricity 7 Expired
US9424772B2 High resolution low power consumption OLED display with extended lifetime Electricity 6 Active
US10686159B2 OLED devices having improved efficiency Electricity 6 Active
US9559151B2 OLED display architecture Electricity 6 Active
US6228673A Method of fabricating a surface coupled InGaAs photodetector Emerging Cross-Sectional Technologies 6 Expired
US10566534B2 Apparatus and method to deliver organic material via organic vapor-jet printing (OVJP) Electricity 6 Active
US5920773A Method for making integrated heterojunction bipolar/high electron mobility transistor Emerging Cross-Sectional Technologies 6 Expired
US9000459B2 OLED display architecture having some blue subpixel components replaced with non-emissive volume containing via or functional electronic component and method of manufacturing thereof Electricity 6 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.