Patent · US Expired

Apparatus and method for display panel inspection

US6215895A · kind A · utility

10Cited by
9References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 18, 1998
Grant dateApr 10, 2001
Priority date
Expiry dateJun 18, 2018

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F1/1309
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A system for inspecting a display panel including a plurality of pixels, the system including a selective pixel actuator which causes only some of the plurality of pixels to be actuated, a sensor for acquiring an image of a pattern which is generated on the panel, and an image processor operative to identify nonuniformities in the intensities of pixels of the panel.

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