Novatek Microelectronics Corp.

Wintek Corporation

Dongguan Masstop Liquid Crystal Display Co., Ltd.

Tpk Holding Co., Ltd.

Chih-Chang Lai

Yi-Ying Lin

Jyun-Sian Li

Ruey-Shing Weng

Yu-Ying Tang

Ching-Fu Hsu

Ching-Yang Pai

Wen-Chun Wang

Hui-Hung Chang

Jason Wu

Yen-Chung Hung

Ting-Yu Chang

Chun-Chieh Chang

Chih-Yuan Chang

Jer-Hao Hsu

Po-Hsien Wang

Kuan-Yi Yang

Kuo-Chang Su

Wing-Kai Tang

Yun-Hsiang Yeh

Shiao-Hui Liao

Chin-Chang Liu

Ping-Wen Huang

Chih-Peng Hsia

Hsi-Rong Han

Ming-Kung Wu

Shih-Ming Lin

He-Wei Huang

Lin Lin

Yen-Heng Chen

Gwo-Sen Lin

Shun-Li Wang

Wen Hung Wang

Chih-Yang Ke

Jian-Feng Li

Hsiao-Ping Li

Shih-Jung Lu

Yu-Hung Chang

Wei-Ren Chang

Chun-Yuan Liu

Wei-Jian Chang

Nai Heng Chang

Han-Chang Lin

Chih-Hao Wang

Yen Chung Hung

Nai-Heng Chang

Chung-Yang Fang

Yao Chung Chang

Yao-Chung Chang

Hua-Wei Liu

The touch panel includes a plurality of first electrodes, a plurality of second electrodes, and a plurality of bridge structures. Each of the first electrodes includes a first branch, a second branch, a third branch and a fourth branch. The first and second branches are opposite to each other, and the third and fourth branches are opposite to each other. Each of the second electrodes includes a fifth branch, a sixth branch, a seventh branch and an eighth branch. The fifth and sixth branches are adjacently connected to each other, and the seventh and eighth branches are adjacently connected to each other. Each of the bridge structures connects the first and second branches of the first electrode. The third branch, the seventh branch, the first branch and the fifth branch are alternately arranged, and the fourth branch, the eighth branch, the second branch and the sixth branch are alternately arranged.

Touch panel with well-designed touch pattern

The disclosure provides a display device and an operation method thereof. The display device includes a display panel and a driving circuit. The display panel has at least one native conductive line for a display driving operation. The driving circuit is coupled to the at least one native conductive line. During a display driving period, the driving circuit performs the display driving operation on the display panel through the at least one native conductive line. During a heating period, the driving circuit performs a heating operation on the display panel through the at least one native conductive line.

Display device and operation method for heating display panel

An electronic apparatus including a touch display panel and a driver circuit is provided. The touch display panel includes a plurality of first electrodes and at least one second electrode. The plurality of first electrodes are arranged in an active area of the touch display panel, and the at least one second electrode is arranged in a border area of the touch display panel. The driver circuit is coupled to the touch display panel. The driver circuit is configured to drive the plurality of first electrodes to perform a touch sensing operation in a first period. The driver circuit is configured to drive the plurality of first electrodes and the at least one second electrode to perform a gesture sensing operation in a second period.

Touch display panel, electronic apparatus, and driver circuit

A knob on a touch panel includes a rotary wheel, a common pad, at least one sensing pad, a plurality of connectors and a conductive ring. The rotary wheel is mounted on the touch panel. The common pad is deployed on the touch panel. The at least one sensing pad is deployed on the touch panel. Each of the plurality of connectors is coupled between the rotary wheel and one pad among the at least one sensing pad and the common pad, to control each of the at least one sensing pad to be coupled to the common pad or not through the rotary wheel according to an operation of the knob. The conductive ring is deployed on a surface of the rotary wheel, to detect a touch object.

Knob on touch panel and related control method

An electronic device including a foldable touch display panel and a driver circuit is provided. The foldable touch display panel includes a foldable substrate and a plurality of touch sensors. The foldable substrate includes a first portion and a second portion. The first portion and the second portion face each other in a folded state. The driver circuit is coupled to the foldable touch display panel. The driver circuit is configured to drive the foldable touch display panel to perform a touch sensing operation in a touch sensing state. The driver circuit is configured to determine a folding angle between the first portion and the second portion according to a capacitance variation of the touch sensors in the folded state.

Foldable touch display panel, electronic device and driver circuit

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.

Display panel and operation method thereof

A control method, suitable for a controller in an interface device having capacitive sensors, includes following steps. The capacitive sensors are arranged on a plane. During a first period, the controller is configured to set the capacitive sensors as self-capacitance sensors individually. During a second period, the controller is configured to divide the capacitive sensors into at least a first group and a second group, set the first group of capacitive sensors as a mutual-capacitance transmitter and generate a pulse signal to the mutual-capacitance transmitter, set the second group of capacitive sensors as a mutual-capacitance receiver and collect a sensing signal from the mutual-capacitance receiver in response to the pulse signal.

Control method for controller of interface device with multiple sensing functions

A touch apparatus includes a touch screen and a touch controller. The touch controller is configured to process touch sensing signals received from the touch screen to generate a touch coordinate with respect to a touch event occurring on the touch screen. The touch screen includes a plurality of first touch sensing electrodes and a plurality of second touch sensing electrodes. The first touch sensing electrodes are disposed in a center area of the touch screen, wherein at least one part of the first touch sensing electrodes are rectangular. The second touch sensing electrodes are disposed in an edge area of the touch screen surrounding the center area, wherein each of the second touch sensing electrodes is corresponding to a central angle and a plurality of central angles corresponding to the plurality of second touch sensing electrodes substantially equal.

Touch apparatus

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.

In-cell optical sensing display panel

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.

Touch display device

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.

Method of driving touch panel and touch with display driver system using the same

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

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.

Method of controlling display panel and related control circuit

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.

Touch integrated display device

Growing community of inventors

Taichung, Taiwan

Chih-Chang Lai