The invention relates to an indicator comprising a light-guiding layer, a cladding layer on one surface of said light-guiding layer, and a patterning layer on the other surface.
申请公布号
US7058272(B2)
申请公布日期
2006.06.06
申请号
US20030747604
申请日期
2003.12.29
申请人
EASTMAN KODAK COMPANY
发明人
BOURDELAIS ROBERT P.;BRICKEY CHERYL J.;CHEN WEN-LI A.
