Patent · US Expired

Method of fabricating hologram diffuser for liquid crystal display and liquid crystal display device using the same

US6963380B1 · kind B1 · utility

4Cited by
5References
8Claims
0Family size

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Inventors

Key dates

Filing dateSep 21, 2000
Grant dateNov 8, 2005
Priority date
Expiry dateMay 5, 2021

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03H2250/36
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A hologram diffuser for a liquid crystal display wherein a resin layer with a desired thickness is formed on an upper substrate. A hologram pattern is formed in the resin layer using a hologram plate. A smoothing layer with a desired thickness is formed on the hologram layer provided with the hologram pattern. Accordingly, it is possible to assure a wide visual angle and realize a high picture quality.

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