Patent · US Expired

Adhesion type area sensor and display device having adhesion type area sensor

US6747638B2 · kind B2 · utility

185Cited by
12References
59Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 17, 2001
Grant dateJun 8, 2004
Priority date
Expiry dateAug 4, 2021

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10K39/00
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A lightweight, thin, small size adhesion type area sensor is provided. A pixel of the area sensor has an EL element as a light source, and a photodiode as a photoelectric conversion element. A TFT is used with the adhesion type area sensor for controlling the operation of the EL element and the photodiode.

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