Patent · US Expired

Photometric device of liquid crystal display and liquid crystal display

US7345669B2 · kind B2 · utility

5Cited by
5References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 28, 2003
Grant dateMar 18, 2008
Priority date
Expiry dateJul 14, 2023

Classification

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

Abstract

A photometric device of liquid crystal display and a liquid crystal display in which photometry can be performed without relying upon manpower and the liquid crystal plane is shielded only at the time of photometry. The photometric device comprises a liquid crystal display part, a bezel surrounding the four sides of the liquid crystal display, a shaft part provided at the corner part of the bezel and fixed rotatably thereto, a movable part having the end part thereof connected to the shaft part, and a sensor part provided in the liquid crystal display part at the other end part of the movable part.

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