Patent · US Expired

Liquid crystal displays including two o-plates and two c-plates, with helical arrangement of azimuthal orientations

US7088411B2 · kind B2 · utility

8Cited by
28References
23Claims
0Family size

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Key dates

Filing dateDec 6, 2004
Grant dateAug 8, 2006
Priority date
Expiry dateDec 6, 2024

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F2413/10
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Compensation of a liquid crystal display can be achieved using a compensation structure, having, in the following order: a) a first o-plate; b) a first retarder; c) a liquid crystal cell; d) a second retarder; and e) a second o-plate. The first and second retarders can be c-plates or biaxial retarders.

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