Patent assignee · KR · COMPANY

SILICON DISPLAY TECHNOLOGY

29Patents
27Active
29Granted
51Portfolio score

Filing activity: Nov 6, 2003 → Jul 6, 2022 · 5 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US9864893B2 Optical fingerprint sensor Physics 9 Active
US7442588B2 Method for fabricating thin film transistor using local oxidation and transparent thin film transistor Electricity 8 Active
US8766651B2 Capacitive fingerprint sensor Electricity 8 Active
US7618852B2 Phase transition method of amorphous material using cap layer Electricity 8 Expired
US7884810B2 Unevenness detecting apparatus for compensating for threshold voltage and method thereof Physics 6 Active
US6952022B2 Image sensor comprising thin film transistor optical sensor having offset region Emerging Cross-Sectional Technologies 5 Expired
US10078777B2 Fingerprint recognition sensor and portable display device having the same Physics 4 Active
US7944415B2 Organic light emitting diode display device and a driving method thereof Physics 4 Active
US7688370B2 Active pixel sensor array Electricity 4 Active
US9600708B2 Transparent fingerprint recognizing sensor array Physics 4 Active
US10210373B2 Fingerprint recognition sensor capable of sensing fingerprint using optical and capacitive method Electricity 4 Active
US10127430B2 Fingerprint recognition sensor Physics 3 Active
US9501164B2 Thin film transistor liquid crystal display having capacitive touch sensor embedded therein Physics 3 Active
US10410734B2 Shift register Physics 2 Active
US7876296B2 Circuit and method for driving organic light-emitting diode Physics 2 Active
US10977475B2 Fingerprint recognition sensor and display device having the same Physics 1 Active
US10217399B2 Level shifter and array apparatus Physics 1 Active
US10424672B2 Oxide semiconductor transistor Electricity 1 Active
US10931906B2 Sensor pixel operating in optical mode and capacitive mode and image sensor including the same Electricity 1 Active
US9847366B1 Infrared image sensor Electricity 1 Active
US10755070B2 Sensor pixel, fingerprint and image sensor including the same, and driving method thereof Physics 1 Active
US10872224B2 Smart card Physics 0 Active
US11715396B1 Display apparatus Electricity 0 Active
US12396306B2 Display device and method of manfuacturing the same Electricity 0 Active
US10354115B2 Capacitive fingerprint sensor Physics 0 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.