Patent · US Expired

Viewing angle compensating plate and liquid crystal display panel including the same

US7538835B2 · kind B2 · utility

1Cited by
2References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 13, 2004
Grant dateMay 26, 2009
Priority date
Expiry dateJun 29, 2024

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F1/13775
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A viewing angle compensating plate has a first protection film, a polarizing film, a second protection film and a liquid crystal layer. The polarizing film is formed on the first protection film, and the second protection film is formed on the polarizing film. The liquid crystal layer is formed on the second protection film. The second protection film has a rate of thermal expansion and contraction that is substantially identical to that of the first protection film.

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