Patent · US Active

Display panel inspection apparatus

US9940883B2 · kind B2 · utility

1Cited by
0References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 12, 2016
Grant dateApr 10, 2018
Priority date
Expiry dateMay 27, 2036

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09G2320/0693
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A vision inspection apparatus includes a tri-stimulus measuring part configured to measure gray tri-stimulus values of a sample grayscale and color tri-stimulus values of a full-grayscale, a color tri-stimulus generating part configured to generate color tri-stimulus values of the sample grayscale using the gray tri-stimulus values of the sample grayscale and the color tri-stimulus values of the full-grayscale, and a color correction value generating part configured to generate color grayscale correction value using the gray tri-stimulus values of the sample grayscale and the color tri-stimulus values of the sample grayscale.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.