The luminance control film includes a periodic array of optical structures which are small with respect to the wavelength of light. Scattering and diffractive effects result in improved off-axis illumination intensity in comparison with brightness enhancement optical devices having larger scale optical structures.
申请公布号
US6091547(A)
申请公布日期
2000.07.18
申请号
US19970846955
申请日期
1997.04.30
申请人
3M INNOVATIVE PROPERTIES COMPANY
发明人
GARDINER, MARK EDWARD;O'NEILL, MARK BRIAN;WORTMAN, DAVID LEE