Patent · US Expired

Liquid crystal projectors

US6260972A · kind A · utility

8Cited by
6References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 6, 1999
Grant dateJul 17, 2001
Priority date
Expiry dateAug 6, 2019

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N9/3105
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A liquid crystal projector comprises a light source (4), a first lenslet array (6) comprising a plurality of first lenslets (10), a second lenslet array (14) comprising a plurality of second lenslets (12) and being con-focal with said first lenslet array (6), and at least one liquid crystal panel (26, 30, 36), wherein said first and second lenslet arrays (6, 14) are non-identical.

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