Patent ID: 9357042
Filing Date: 2016-05-31
CPC Classification: G02F,H04M

Claim Text:
1. A handheld electronic device having a display side and a back side opposite to the display side, the handheld electronic device comprising: a case; a host system disposed in the case; an optical device disposed in the case and electrically coupled to the host system, wherein the optical device has an acting surface facing the display side; a display device disposed on the display side of the case and electrically coupled to the host system; an opening region located on the case to expose the optical device; a liquid crystal light valve disposed in the opening region and electrically coupled to the host system to control a luminous flux passing through the opening region, wherein the liquid crystal light valve covers the acting surface of the optical device; and a touch sensing device, disposed between the liquid crystal light valve and the optical device.