Patent · US Expired

Light modulator with a light-absorbing layer

US7187487B2 · kind B2 · utility

7Cited by
4References
40Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 30, 2004
Grant dateMar 6, 2007
Priority date
Expiry dateSep 30, 2024

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B26/0833
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A spatial light modulator includes a first region and a second region. A light-absorbing layer contacts at least a portion of the second region. The light absorbing layer includes a first layer and a second layer, the second layer having a reflectivity less than about 75%.

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