Frank R. Libsch
84Patents
16h-index
78Co-inventors
87Inventor score
Filing activity: Sep 14, 1995 → Jun 28, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6734636B2 | OLED current drive pixel circuit | Physics | 287 | Expired |
| US7071932B2 | Data voltage current drive amoled pixel circuit | Physics | 198 | Expired |
| US7038392B2 | Active-matrix light emitting display and method for obtaining threshold voltage compensation for same | Physics | 189 | Expired |
| US7167169B2 | Active matrix oled voltage drive pixel circuit | Physics | 44 | Expired |
| US6211851A | Method and apparatus for eliminating crosstalk in active matrix liquid crystal displays | Physics | 41 | Expired |
| US5940057A | Method and apparatus for eliminating crosstalk in active matrix liquid crystal displays | Physics | 39 | Expired |
| US5790090A | Active matrix liquid crystal display with reduced drive pulse amplitudes | Physics | 35 | Expired |
| US7612749B2 | Driving circuits for displays | Electricity | 30 | Expired |
| US6338988B1 | Method for fabricating self-aligned thin-film transistors to define a drain and source in a single photolithographic step | Electricity | 26 | Expired |
| US8483253B2 | 3D optoelectronic packaging | Electricity | 22 | Active |
| US6667791B2 | Passive drive matrix display | Physics | 20 | Expired |
| US8855452B2 | Silicon photonic chip optical coupling structures | Physics | 19 | Active |
| US6580127B1 | High performance thin film transistor and active matrix process for flat panel displays | Electricity | 17 | Expired |
| US6181398A | Multiple pixel driven mirror electrodes for improved aperture ratio of reflective displays | Physics | 17 | Expired |
| US6437596B1 | Integrated circuits for testing a display array | Physics | 16 | Expired |
| US6310594A | Driving method and circuit for pixel multiplexing circuits | Physics | 16 | Expired |
| US6333728A | Method and apparatus for real-time on-off contrast ratio optimization in liquid crystal displays | Physics | 15 | Expired |
| US7853105B2 | Coupling element alignment using waveguide fiducials | Physics | 15 | Active |
| US8290008B2 | Silicon carrier optoelectronic packaging | Electricity | 14 | Active |
| US8111730B2 | 3D optoelectronic packaging | Electricity | 13 | Active |
| US6940300B1 | Integrated circuits for testing an active matrix display array | Physics | 13 | Expired |
| US6414665B2 | Multiplexing pixel circuits | Physics | 13 | Expired |
| US6731064B2 | Yield enchancement pixel structure for active matrix organic light-emitting diode displays | Electricity | 12 | Expired |
| US6403407B1 | Method of forming fully self-aligned TFT with improved process window | Electricity | 12 | Expired |
| US7421160B1 | Coupling element alignment using waveguide fiducials | Physics | 11 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.