Patent · US Active

Method and apparatus for providing back-lighting in a display device

US7933475B2 · kind B2 · utility

19Cited by
104References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 19, 2009
Grant dateApr 26, 2011
Priority date
Expiry dateAug 19, 2029

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B26/001
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Methods and apparatus for providing lighting in a display are provided. In one embodiment, a microelectromechanical system (MEMS) is provided that includes a transparent substrate and a plurality of interferometric modulators. The interferometric modulators include an optical stack coupled to the transparent substrate, a reflective layer over the optical stack, and one or more posts to support the reflective layer and to provide a path for light from a backlight for lighting the display.

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