Patent · US Active

Electrical light control element, lens barrel, and imaging device

US7483116B2 · kind B2 · utility

8Cited by
3References
3Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 4, 2005
Grant dateJan 27, 2009
Priority date
Expiry dateAug 5, 2026

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N2101/00
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

The liquid crystal light control element includes the first to third transparent substrates which are placed on top of the other. The second transparent substrate has the projecting part which extends in the surface direction of the second transparent substrate from the first and third transparent substrates. The projecting part has the first surface facing the first transparent electrode and the second surface facing the fourth transparent electrode. The first surface has the first to fourth terminals formed thereon which are electrically connected to the first to fourth transparent electrodes.

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