Patent ID: 9395848
Filing Date: 2016-07-19
CPC Classification: G06F

Claim Text:
1. An optical touch control system, comprising: a display panel; a first optical sensor, disposed at a first corner of the display panel; a first light-emitting device, disposed on the first optical sensor, and configured to emit a first light beam toward a first direction; a second optical sensor, disposed at a second corner of the display panel, wherein the second corner is opposite the first corner; a second light-emitting device, disposed on the second optical sensor, and configured to emit a second light beam toward a second direction; and a controller, configured to turn off the first and second light-emitting devices and turn on the first optical sensor to obtain a first frame, only turn on both the second light-emitting device and the first optical sensor to obtain a second frame, turn off the first and second light-emitting devices and turn on the second optical sensor to obtain a third frame, only turn on both the first light-emitting device and the second optical sensor to obtain a fourth frame, and determine a gesture according to the first, the second, the third, and the fourth frames.