发明授权
- 专利标题: Electron emission device and display device using the same
- 专利标题(中): 电子发射装置及其使用的显示装置
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申请号: US44819申请日: 1998-03-20
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公开(公告)号: US5990605A公开(公告)日: 1999-11-23
- 发明人: Takamasa Yoshikawa , Kiyohide Ogasawara , Hiroshi Ito , Masataka Yamaguchi , Shingo Iwasaki , Nobuyasu Negishi , Takashi Chuman
- 申请人: Takamasa Yoshikawa , Kiyohide Ogasawara , Hiroshi Ito , Masataka Yamaguchi , Shingo Iwasaki , Nobuyasu Negishi , Takashi Chuman
- 申请人地址: JPX Tokyo
- 专利权人: Pioneer Electronic Corporation
- 当前专利权人: Pioneer Electronic Corporation
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX9-071864 19970325; JPX9-071865 19970325
- 主分类号: H01J1/312
- IPC分类号: H01J1/312 ; H01J1/05
摘要:
An electron emission device includes: a semiconductor layer; a porous semiconductor; and a thin-film metal electrode which are layered in turn. The electrode faces a vacuum space. The porous semiconductor layer has at least two or more of porosity-changed layers which have porosities which are different from each other in the thickness direction. The electron emission device emits electrons when an electric field is applied between the semiconductor layer and the thin-film metal electrode. An insulator layer made of a material selected from silicon oxide or silicon nitride may be formed between the porous semiconductor layer and the thin-film metal electrode. Si skeletons of the porous semiconductor layer are oxidized or nitrided.
公开/授权文献
- USD381130S Oven mitt 公开/授权日:1997-07-15