发明授权
- 专利标题: Photochromic devices
- 专利标题(中): 光致变色装置
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申请号: US09192360申请日: 1998-11-16
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公开(公告)号: US06246505B1公开(公告)日: 2001-06-12
- 发明人: Gimtong Teowee , Pierre-Marc Allemand , John P. Cronin , Juan Carlos Lopez Tonazzi , Anoop Agrawal
- 申请人: Gimtong Teowee , Pierre-Marc Allemand , John P. Cronin , Juan Carlos Lopez Tonazzi , Anoop Agrawal
- 主分类号: G02F103
- IPC分类号: G02F103
摘要:
A photochromic device is provided which allows the user to leave the device in a high transmissive state even when exposed to a source of radiation and to control the degree of darkening achieved while exposed to the source of radiation.
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