公开(公告)号：US20180260066A1

公开(公告)日：2018-09-13

申请号：US15457495

申请日：2017-03-13

Applicant: PIXART IMAGING INC.

Inventor： YU-HAN CHEN ,  HAN-SHU LIN ,  JUNG-TAI LIN

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/044 ,  G06F3/0418

Abstract: Provided herein are a sensing device and a control method thereof. The sensing device comprises a control unit, at least one first sensor and at least one fake sensor. The first sensor configured for detecting a touch event and generating a first sensing signal corresponding to an environmental change and an applied touch event, and sending the first sensing signal to the control unit. The fake sensor configured for generating a second sensing signal corresponding to the environmental change, and sending the second sensing signal to the control unit, wherein the control unit compensates the first sensing signal for the environmental change by using the second sensing signal and generates a compensated signal corresponding to the applied touch event. Accordingly, the present invention achieves the result of removing the influence of environmental changes for the sensing device.

公开(公告)号：US20160054844A1

公开(公告)日：2016-02-25

申请号：US14736373

申请日：2015-06-11

Applicant: PIXART IMAGING INC.

Inventor： HAN-SHU LIN ,  YI-HSIEN KO

IPC: G06F3/041 ,  G06F3/044 ,  G06F3/045 ,  G09G5/00

CPC classification number: G06F3/0416 ,  G06F3/044 ,  G06F3/045

Abstract: There is provided a touch display device including a display and a touch control device. The display includes a glass substrate. The touch control device is attached to the glass substrate and includes a touch zone, a fingerprint detection zone and a control circuit. The touch zone includes a matrix of first detecting cells arranged at a first grid distance. The fingerprint detection zone includes a matrix of second detecting cells arranged at a second grid distance. The control circuit is configured to control detection operations of the touch zone and the fingerprint detection zone and to adjust an effective grid distance of the fingerprint detection zone according to a first detected touch position.

Abstract translation: 提供了一种包括显示器和触摸控制装置的触摸显示装置。 显示器包括玻璃基板。 触摸控制装置附接到玻璃基板，并且包括触摸区，指纹检测区和控制电路。 触摸区域包括以第一格栅距离布置的第一检测单元的矩阵。 指纹检测区域包括以第二网格距离排列的第二检测单元的矩阵。 控制电路被配置为控制触摸区域和指纹检测区域的检测操作，并且根据第一检测到的触摸位置来调整指纹检测区域的有效格栅距离。