Photochromic dyes are disclosed. A photochromic dye can include a first photo-reactive group and a second photo-reactive group. A first photochromic reaction can be induced in the first photo-reactive group of the photochromic dye by radiation having a first intensity, and a second photochromic reaction can be induced in the second photo-reactive group of the photochromic dye by radiation having a second intensity. The second intensity may be greater than the first intensity.
PHOTOCHROMIC MATERIAL
申请人:CHOI Dong Hoon
公开号:US20110198546A1
公开(公告)日:2011-08-18
Photochromic dyes are disclosed. A photochromic dye can include a first photo-reactive group and a second photo-reactive group. A first photochromic reaction can be induced in the first photo-reactive group of the photochromic dye by radiation having a first intensity, and a second photochromic reaction can be induced in the second photo-reactive group of the photochromic dye by radiation having a second intensity. The second intensity may be greater than the first intensity.