Patent · US Expired

Light modulation element, exposure unit, and flat-panel display unit

US6642913B1 · kind B1 · utility

152Cited by
8References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 19, 2000
Grant dateNov 4, 2003
Priority date
Expiry dateJan 19, 2020

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09G2300/08
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A light modulation element which has a light guide body 11 for guiding light from a light source and a flexible thin film 12 having a phosphor 13 being provided facing the light guide body 11. The distance between the flexible thin film 12 and the light guide body 11 is changed by the electromechanical operation and light emission of the phosphor 13 excited by the guided light is controlled.

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