公开(公告)号：US20200348785A1

公开(公告)日：2020-11-05

申请号：US16853763

申请日：2020-04-21

Applicant: Novatek Microelectronics Corp.

Inventor： Yu-Ying Tang ,  Chih-Chang Lai

IPC: G06F3/041 ,  H01L27/32 ,  G02F1/1333 ,  G06F3/044

Abstract: A touch display panel including a substrate, a first touch sensor layer and a display electrode layer is provided. The first touch sensor layer is disposed on the substrate and patternized into a plurality of blocks for serving as a plurality of first touch sensor electrodes. The first touch sensor electrodes are grouped into a plurality of touch sensor units. Each touch sensor unit includes one or more first touch sensor electrodes. At least one first touch sensor electrode of each touch sensor unit serves as a transmitting electrode during a touch sensing period. The display electrode layer is disposed between the substrate and the first touch sensor layer and patternized into a plurality of blocks for serving as a plurality of display electrodes. The display electrodes are grouped into a plurality of display units. Each display unit includes one or more display electrodes. Each display unit is respectively corresponding to a touch sensor unit of the plurality of touch sensor units.

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：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：US10459566B2

公开(公告)日：2019-10-29

申请号：US15605999

申请日：2017-05-26

Applicant: NOVATEK MICROELECTRONICS CORP.

Inventor： Yu-Ying Tang ,  Chih-Chang Lai

IPC: G06F3/041 ,  G06F3/044

Abstract: A touch display panel includes a first patterned metal layer and a second patterned metal layer. The first patterned metal layer includes a first signal line and one or more first segments. The second patterned metal layer is disposed above the first patterned metal layer and includes a second signal line and one or more second segments, wherein the one or more second segments are electrically connected to the one or more first segments such that the one or more first segments and the one or more second segments collectively form at least a part of a touch sensing line.

公开(公告)号：US12105907B2

公开(公告)日：2024-10-01

申请号：US17858945

申请日：2022-07-06

Applicant: Novatek Microelectronics Corp.

Inventor： Yu-Ying Tang ,  Wei-Ren Chang ,  Chih-Yang Ke ,  Chih-Chang Lai

IPC: G06F3/041 ,  G06F3/0354 ,  G09G3/20

CPC classification number: G06F3/04162 ,  G06F3/03545 ,  G06F3/0412 ,  G09G3/20 ,  G09G2300/0408 ,  G09G2310/0267 ,  G09G2354/00

Abstract: A display panel and an operation method of the display panel are provided. The display panel includes a display area and a frame area. The display area is configured to display an image. During a touch sensing period, the display area and the frame area emit an uplink signal to perform an active stylus touch detection operation.

公开(公告)号：US20240302912A1

公开(公告)日：2024-09-12

申请号：US18508245

申请日：2023-11-14

Applicant: NOVATEK Microelectronics Corp.

Inventor： Yu-Ying Tang ,  Chih-Chang Lai

IPC: G06F3/041 ,  G02F1/1333 ,  G02F1/1368 ,  G02F1/167 ,  G06F3/044 ,  H01L27/12

CPC classification number: G06F3/0412 ,  G02F1/13338 ,  G02F1/1368 ,  G02F1/167 ,  G06F3/0443 ,  H01L27/124

Abstract: A touch panel includes a first substrate, a second substrate, a display material layer and a cover layer. A plurality of thin-film transistors (TFTs) of a plurality of pixels are deployed on the first substrate, wherein the plurality of pixels have a plurality of source lines and a plurality of gate lines. A common electrode is deployed on a second substrate. The display material layer is deployed between the first substrate and the second substrate. The cover layer is capable of being contacted by a touch object. The first substrate is located between the cover layer and the second substrate. At least one line of the plurality of source lines and the plurality of gate lines forms at least one touch sensing electrode.

公开(公告)号：US20230152918A1

公开(公告)日：2023-05-18

申请号：US17858945

申请日：2022-07-06

Applicant: Novatek Microelectronics Corp.

Inventor： Yu-Ying Tang ,  Wei-Ren Chang ,  Chih-Yang Ke ,  Chih-Chang Lai

IPC: G06F3/041 ,  G06F3/0354 ,  G09G3/20

CPC classification number: G06F3/04162 ,  G06F3/03545 ,  G06F3/0412 ,  G09G3/20 ,  G09G2310/0267 ,  G09G2300/0408 ,  G09G2354/00

Abstract: A display panel and an operation method of the display panel are provided. The display panel includes a display area and a frame area. The display area is configured to display an image. During a touch sensing period, the display area and the frame area emit an uplink signal to perform an active stylus touch detection operation.

公开(公告)号：US11294501B2

公开(公告)日：2022-04-05

申请号：US16796961

申请日：2020-02-21

Applicant: Novatek Microelectronics Corp.

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

IPC: G06F3/041 ,  G06F3/044

Abstract: An electronic device controlling a touch panel and performing a proximity sensing method is provided. The electronic device includes a touch controller. The touch controller is configured to group a plurality of touch sensors into a sensing group of one or more touch sensors and a non-sensing group of one or more touch sensors, control the sensing group to perform a proximity or hover sensing operation during a first sensing period and not control the non-sensing group to perform the proximity or hover sensing operation during the first sensing period, set one or more first touch sensors of the non-sensing group to a floating state during the first sensing period, and set one or more second touch sensors of the non-sensing group to a simultaneously-driven state during the first sensing period.

公开(公告)号：US11320920B2

公开(公告)日：2022-05-03

申请号：US16853763

申请日：2020-04-21

Applicant: Novatek Microelectronics Corp.

Inventor： Yu-Ying Tang ,  Chih-Chang Lai

IPC: G06F3/041 ,  H01L27/32 ,  G06F3/044 ,  G02F1/1333

Abstract: A touch display panel including a substrate, a first touch sensor layer and a display electrode layer is provided. The first touch sensor layer is disposed on the substrate and patternized into a plurality of blocks for serving as a plurality of first touch sensor electrodes. The first touch sensor electrodes are grouped into a plurality of touch sensor units. Each touch sensor unit includes one or more first touch sensor electrodes. At least one first touch sensor electrode of each touch sensor unit serves as a transmitting electrode during a touch sensing period. The display electrode layer is disposed between the substrate and the first touch sensor layer and patternized into a plurality of blocks for serving as a plurality of display electrodes. The display electrodes are grouped into a plurality of display units. Each display unit includes one or more display electrodes. Each display unit is respectively corresponding to a touch sensor unit of the plurality of touch sensor units.

公开(公告)号：US20180341361A1

公开(公告)日：2018-11-29

申请号：US15605999

申请日：2017-05-26

Applicant: NOVATEK MICROELECTRONICS CORP.

Inventor： Yu-Ying Tang ,  Chih-Chang Lai

IPC: G06F3/041

CPC classification number: G06F3/0416 ,  G06F3/0412 ,  G06F3/044 ,  G06F2203/04103 ,  G06F2203/04111

Abstract: A touch display panel includes a first patterned metal layer and a second patterned metal layer. The first patterned metal layer includes a first signal line and one or more first segments. The second patterned metal layer is disposed above the first patterned metal layer and includes a second signal line and one or more second segments, wherein the one or snore second segments are electrically connected to the one or more first segments such that the one or more first segments and the one or more second segments collectively form at least a part of a touch sensing line.