公开(公告)号：US20150029134A1

公开(公告)日：2015-01-29

申请号：US14058280

申请日：2013-10-20

Applicant: NOVATEK Microelectronics Corp.

Inventor： PENG LIU ,  Chih-Chang Lai

IPC: G06F3/044

CPC classification number: G06F3/044 ,  G06F3/0416 ,  G06F2203/04112

Abstract: A driving and sensing method for a single-layer mutual capacitive multi-touch screen includes inputting a first driving signal to a plurality of touch sensing electrodes along a first direction and receiving a first sensing signal corresponding to the first driving signal along the first direction; and inputting a second driving signal to the plurality of touch sensing electrodes along a second direction and receiving a second sensing signal corresponding to the second driving signal along the second direction; wherein the second direction is substantially perpendicular to the first direction. The plurality of touch sensing electrodes are disposed in the single-layer mutual capacitive multi-touch screen, and each of the plurality of touch sensing electrodes includes at least one driving area and at least one receiving area, wherein all driving areas and receiving areas are located in a same layer of the single-layer mutual capacitive multi-touch screen.

Abstract translation: 一种用于单层互电容多点触摸屏的驱动和感测方法包括：沿着第一方向向多个触摸感测电极输入第一驱动信号，并沿第一方向接收对应于第一驱动信号的第一感测信号; 以及沿着第二方向向所述多个触摸感测电极输入第二驱动信号，并沿着所述第二方向接收对应于所述第二驱动信号的第二感测信号; 其中所述第二方向基本上垂直于所述第一方向。 多个触摸感测电极设置在单层互电容多点触摸屏中，并且多个触摸感测电极中的每一个包括至少一个驱动区域和至少一个接收区域，其中所有驱动区域和接收区域是 位于同一层的单层互电容多点触摸屏。

公开(公告)号：US20150022483A1

公开(公告)日：2015-01-22

申请号：US14020909

申请日：2013-09-09

Applicant: Novatek Microelectronics Corp.

Inventor： Chih-Chang Lai ,  Tien-Nan Wang

IPC: G06F3/044

CPC classification number: G06F3/044 ,  G06F3/0412 ,  G06F3/046 ,  G06F2203/04106

Abstract: A touch display apparatus includes a display panel, a cover plate, a capacitive touch-sensing unit and an electromagnetic touch-sensing unit. The cover plate is disposed above the display panel. The capacitive touch-sensing unit is disposed between the cover plate and the display panel. The electromagnetic touch-sensing unit is disposed between the capacitive touch-sensing unit and the display panel. The capacitive touch-sensing unit and the electromagnetic touch-sensing unit are formed of a transparent conductive material.

Abstract translation: 触摸显示装置包括显示面板，盖板，电容式触摸感测单元和电磁触摸感测单元。 盖板设置在显示面板的上方。 电容式触摸感测单元设置在盖板和显示面板之间。 电磁触摸感测单元设置在电容式触摸感测单元和显示面板之间。 电容式触摸感测单元和电磁触摸感测单元由透明导电材料形成。

公开(公告)号：US20140368750A1

公开(公告)日：2014-12-18

申请号：US14072799

申请日：2013-11-06

Applicant: NOVATEK Microelectronics Corp.

Inventor： Jian-Cheng Liao ,  Chih-Chang Lai

IPC: G06F1/16 ,  G06F3/044

CPC classification number: G06F3/044

Abstract: A single-layer mutual capacitive touch screen includes a substrate; a control circuit, disposed at a side of the substrate; a plurality of touch sensing electrodes, arranged on the substrate in an N×M array and classified into a first group and a second group; a plurality of output pins, for connecting the control circuit to the plurality of touch sensing electrodes; and a plurality of driving wires, each connecting a touch sensing electrode and an output pin. In the first group, each touch sensing electrode located at odd columns of the N×M array substantially shares an output pin with an adjacent touch sensing electrode located in a first direction of the touch sensing electrode. In the second group, each touch sensing electrode located at even columns of the N×M array substantially shares an output pin with an adjacent touch sensing electrode located in the first direction of the touch sensing electrode.

Abstract translation: 单层互电容式触摸屏包括基板; 控制电路，设置在所述基板的一侧; 多个触摸感测电极，以N×M阵列排列在基板上，分为第一组和第二组; 多个输出引脚，用于将控制电路连接到多个触摸感测电极; 以及多个驱动线，各自连接触摸感测电极和输出引脚。 在第一组中，位于N×M阵列的奇数列的每个触摸感测电极基本上共享具有位于触摸感测电极的第一方向上的相邻触摸感测电极的输出引脚。 在第二组中，位于N×M阵列的偶数列的每个触摸感测电极基本上共享具有位于触摸感测电极的第一方向上的相邻触摸感测电极的输出引脚。

公开(公告)号：US11906355B1

公开(公告)日：2024-02-20

申请号：US18162687

申请日：2023-01-31

Applicant: Novatek Microelectronics Corp.

Inventor： Yu-Ying Tang ,  Yao Chung Chang ,  Chih-Chang Lai

IPC: G06V40/13 ,  G06F3/041 ,  G01J1/44 ,  G01J1/42 ,  H10K39/34 ,  G02F1/1333 ,  G02F1/1335 ,  H10K59/80 ,  H10K59/125

CPC classification number: G01J1/44 ,  G01J1/4204 ,  G02F1/13338 ,  G02F1/133512 ,  G06F3/0412 ,  G06V40/1318 ,  H10K39/34 ,  H10K59/8792 ,  G01J2001/446 ,  G01J2001/448 ,  H10K59/125

Abstract: An in-cell optical sensing display panel includes a pixel array, a plurality of first optical sensors and a plurality of second optical sensors. The pixel array is disposed in an active area of the in-cell optical sensing display panel, and the active area includes a first region and a second region which surrounds the first region. The sensor array is disposed in the first region of the active area and is configured to sense a fingerprint of a finger touching a surface of the in-cell optical sensing display panel. The second optical sensors are disposed in the second region of the active area and are configured to sense ambient light, and the second optical sensors are not to be used for fingerprint sensing.

公开(公告)号：US11733792B2

公开(公告)日：2023-08-22

申请号：US17165902

申请日：2021-02-02

Applicant: Novatek Microelectronics Corp.

Inventor： Yi-Ying Lin ,  Chih-Chang Lai

IPC: G09G5/00 ,  G06F3/041 ,  G06F3/044 ,  G06V40/13 ,  H10K59/40 ,  H10K59/65 ,  H10K59/121

CPC classification number: G06F3/0412 ,  G06F3/0445 ,  G06V40/1306 ,  H10K59/121 ,  H10K59/40 ,  H10K59/65 ,  G06F2203/04111

Abstract: A touch display device includes a plurality of photo sensors, a plurality of display pixels, and a touch sensing layer. The touch sensing layer disposed over the plurality of photo sensors and including a plurality of collimating openings corresponding to the plurality of photo sensors respectively to collimate light from different locations to the plurality of optical sensors.

公开(公告)号：US11669182B2

公开(公告)日：2023-06-06

申请号：US17674817

申请日：2022-02-17

Applicant: NOVATEK Microelectronics Corp.

Inventor： Yi-Ying Lin ,  Chih-Chang Lai

IPC: G06F3/041 ,  G09G3/3225 ,  G06F3/044

CPC classification number: G06F3/0412 ,  G06F3/0443 ,  G06F3/04166 ,  G09G3/3225 ,  G09G2310/0267 ,  G09G2310/0289 ,  G09G2310/08 ,  G09G2354/00 ,  H10K59/40

Abstract: The disclosure provides a method of driving a touch panel which includes a plurality of touch sensing electrodes and a plurality of display pixels. Each of the display pixels includes a light emission element and a driving transistor. Each of the touch sensing electrodes is coupled to the light emission element of at least one of the plurality of display pixels and served as an electrode of the light emission element. The method includes transmitting a first driving signal to at least one of the touch sensing electrodes during a touch sensing period, wherein the touch sensing electrode is coupled to a first power receiving terminal of the corresponding display pixel; transmitting a first power supply voltage to the first power receiving terminal during a display period; and controlling the light emission element of the corresponding display pixel to keep turned on when the first driving signal is transmitted.

公开(公告)号：US11494016B2

公开(公告)日：2022-11-08

申请号：US17145408

申请日：2021-01-11

Applicant: Novatek Microelectronics Corp.

Inventor： Yu-Ying Tang ,  Ching-Yang Pai ,  Chih-Chang Lai

IPC: G06F3/041 ,  G06F3/044 ,  H01L27/32 ,  H01L51/52

Abstract: A touch integrated display device includes a substrate, at one metal layer, a touch sensor and trace layer, and a shielding layer. The substrate includes an active area and a fan out area neighbouring to the active area. The metal layer is disposed over the substrate in the active area, extended to the fan out area and includes a plurality of source lines and a plurality of gate lines. The touch sensor and trace layer is disposed over the metal layer in the active area and extended to the fan out area. The shielding layer is at least disposed at an overlap region of the fan out area where the metal layer and the touch sensor and trace layer are overlapped from a top view to shield electromagnetic interference between the metal layer and the touch sensor and trace layer.

公开(公告)号：US20210389863A1

公开(公告)日：2021-12-16

申请号：US17213154

申请日：2021-03-25

Applicant: NOVATEK Microelectronics Corp.

Inventor： Yi-Ying Lin ,  Chih-Chang Lai

IPC: G06F3/041 ,  G06K9/00 ,  G09G3/20

Abstract: The present invention provides a method of controlling a display panel having a sensing area and a non-sensing area. The sensing area includes a plurality of fingerprint sensing pixels, each of which is coupled to at least one control line. The non-sensing area includes a plurality of dummy pixels, each of which is coupled to at least one dummy line. The method includes steps of: applying a control signal on a first control line among the at least one control line or configuring the first control line to be floating, and applying a first anti-loading driving (ALD) signal corresponding to the control signal on a first dummy line among the at least one dummy line or configuring the first dummy line to be floating.

公开(公告)号：US20210157439A1

公开(公告)日：2021-05-27

申请号：US16884056

申请日：2020-05-27

Applicant: Novatek Microelectronics Corp.

Inventor： Yi-Ying Lin ,  Chih-Chang Lai

IPC: G06F3/041 ,  G06F3/044

Abstract: A touch sensing device and a driving method for driving the touch sensing device are provided. The touch sensing device includes a plurality of electrodes and a driving circuit. The electrodes includes a touch sensing electrode and a force sensing electrode. During a touch sensing driving period, the driving circuit provides a first driving signal to one of the touch sensing electrode and the force sensing electrode, provides a second driving signal to another one of the touch sensing electrode and the force sensing electrode or controls the another one of the touch sensing electrode and the force sensing electrode to enter a floating state.

公开(公告)号：US10852882B2

公开(公告)日：2020-12-01

申请号：US16600545

申请日：2019-10-13

Applicant: NOVATEK Microelectronics Corp.

Inventor： Chih-Chang Lai ,  Kuan-Yi Yang ,  Jer-Hao Hsu

IPC: G06F3/041 ,  G06F3/044

Abstract: A fingerprint sensing control method for sensing one or more sensing signals from a fingerprint sensing device having a plurality of sensing areas, each of the sensing areas having a plurality of sensing units, the sensing control method includes determining a sensitivity of the fingerprint sensing device; and obtaining the one or more the fingerprint sensing signals from the fingerprint sensing device, wherein one or more of the plurality of sensing units are grouped so as to achieve the sensitivity, and for a first sensitivity of the sensing device, a first number of one or more sensing units are grouped, and for a second sensitivity of the fingerprint sensing device, a second number of one or more sensing units are grouped, and the second sensitivity is greater than the first sensitivity and the second number is greater than the first number.