Back to results
US 2014/0153093 A1Published application
Optical filter
AssigneeLG Chem, Ltd.
InventorsMoon Soo PARK, Byoung Kun JEON, Sang Seop KIM, Kyung Ki HONG, Dong Ho KO, Doo Young HUH, Su Young RYU, Seung Ryong LEE
Life of this patent
Estimating the term…
Abstract
Provided are an optical filter and a stereoscopic display device. The exemplary optical filter may be applied to the stereoscopic display device to observe a stereoscopic image in a wide viewing angle without the loss of brightness.
Claims17
Optical filter having a polarization control layer, comprising:
- first and second regions having different retardation characteristics and formed to divide incident light into two kinds of light having different polarization states;
- and
- a third region having a different retardation characteristic from the first and second regions as an isotropic or light scattering region.
Dependencies are inferred from the claim text.