公开(公告)号：US20140184570A1

公开(公告)日：2014-07-03

申请号：US14141785

申请日：2013-12-27

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seung-eon AHN ,  I-hun SONG ,  Ji-hoon AHN ,  Yong-woo JEON ,  Seung-hyup LEE

IPC: G06F3/041 ,  G06F3/042

CPC classification number: G06F3/0416 ,  G06F3/0412 ,  G06F3/042 ,  G06F3/0421 ,  G06F3/044 ,  H01L27/14678 ,  H03K17/962 ,  H03K2017/9606

Abstract: An touchscreen apparatus includes pixel rows including pixels configured to display an image, a touch-sensing unit configured to sense a physical touch and a light-sensing unit configured to sense incident light, the touch-sensing unit and the light-sensing unit being between two adjacent pixel rows and configured to operate based on first and second gate signals, a first sensor gate line connected to the light-sensing unit and the touch-sensing unit and configured to provide the first gate for activating the light-sensing unit and resetting the touch-sensing unit, a second sensor gate line connected to both the light-sensing unit and the touch-sensing unit and configured to provide the second gate signal for activating the touch-sensing unit and resetting the light-sensing unit, and a reset circuit configured to provide a common voltage to the pixels based on the operation of at least one of the light-sensing unit and the touch-sensing unit.

Abstract translation: 触摸屏设备包括像素行，其包括被配置为显示图像的像素，被配置为感测物理触摸的触摸感测单元和被配置为感测入射光的感光单元，所述触摸感测单元和光感测单元位于 两个相邻像素行并且被配置为基于第一和第二栅极信号操作;第一传感器栅极线，连接到光感测单元和触摸感测单元，并且被配置为提供用于激活光感测单元的第一栅极和复位 触摸感测单元，连接到光感测单元和触摸感测单元两者并被配置为提供用于激活触摸感测单元并重置光感测单元的第二门信号的第二传感器栅极线，以及 复位电路，被配置为基于所述光感测单元和所述触摸感测单元中的至少一个的操作向所述像素提供公共电压。