发明授权
- 专利标题: Photoelectric conversion device
- 专利标题(中): 光电转换装置
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申请号: US157725申请日: 1988-02-22
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公开(公告)号: US4811069A公开(公告)日: 1989-03-07
- 发明人: Hiroaki Kakinuma , Yukio Kasuya , Masaaki Sakamoto , Tsukasa Watanabe
- 申请人: Hiroaki Kakinuma , Yukio Kasuya , Masaaki Sakamoto , Tsukasa Watanabe
- 申请人地址: JPX Tokyo
- 专利权人: Oki Electric Industry Co., Ltd.
- 当前专利权人: Oki Electric Industry Co., Ltd.
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX62-37771 19870223
- 主分类号: H01L27/146
- IPC分类号: H01L27/146 ; H01L31/108 ; H01L27/12 ; H01L27/14 ; H01L29/04 ; H01L29/48
摘要:
A photoelectric conversion device comprises a photodiode comprising a metallic electrode formed of a metal capable of forming a Schottky junction together with amorphous silicon, such as Cr or Ni, a transparent electrode formed of ITO or the like, and an i-type hydrogenated amorphous silicon layer sandwiched in between the metallic electrode and the transparent electrode. A bias voltage is applied across the metallic electrode and the transparent electrode so that the metallic electrode is biased to a negative potential relative to the transparent electrode. A Schottky barrier formed in the interface between the metallic electrode and the i-type hydrogenated amorphous silicon layer is used as an electron blocking layer. Thus, the dark current is suppressed on a low level and the photoelectric conversion device is able to operate at a high S/N ratio.
公开/授权文献
- US5973819A Method and apparatus for controlling an electrochromic device 公开/授权日:1999-10-26