Samsung Display Co., Ltd.

Incheol Kim

Seungho Nam

Jihong Park

Kangwon Lee

Won-ki Hong

Chul Kyu Kim

Seongmo Hwang

Ung Choi

Kiseok Cha

Hojin Byun

Il Ho Lee

Moonsung Choi

Hyun-Ju Lee

Sunghwan Won

Namheon Kim

Ilho Lee

Sooguy Rho

Myungjong Kim

Youngjoon Cho

Seockjin Lee

Seunghwan Han

A display device including a display panel having a first area, a second area, and a plurality of pixels to provide an image during a frame period, and a touch panel including a first touch part including first and second touch coils insulated from each other, and a second touch part including first touch electrodes and second touch electrodes insulated each other, in which corresponding second scan signals are applied to the first touch electrodes disposed in the first area when corresponding first scan signals are applied to the first touch coils disposed in the second area during a first period of the frame period, the second touch coils are configured to provide first sensing signals according to a resonant frequency of an input device, and the second touch electrodes are configured to provide second sensing signals according to a variation in a capacitance.

Display device and method of driving the same in two modes

An electronic apparatus includes a touch sensor, a driving circuit, and a switching circuit. The driving circuit includes a first detector and a second detector. The first detector transmits/receives an electrical signal to detect a position of a touch. The second detector transmits/receives an electrical signal to detect an intensity of the touch. The switching circuit selectively connects the first detector or the second detector to the sensor.

Electronic apparatus

A display device includes a display panel and a touch panel. The touch panel calculates coordinate information of an input position by an electrostatic capacitive method in a first mode and calculates the coordinate information of the input position by an electromagnetic induction method in a second mode. The touch panel includes scan line groups and source line groups, which are operated as touch electrodes or touch coils on the basis of the operating mode thereof. In addition, the touch panel includes touch electrodes and touch coils, which are individually operated on the basis of the operating mode thereof.

A display apparatus includes a first base substrate, a touch sensing part provided on the first base substrate, an electronic device provided on the first base substrate, a black matrix provided on the first base substrate, a signal line provided on the black matrix to apply a driving signal to the electronic device, a second base substrate facing the first base substrate, and a liquid crystal layer disposed between the first base substrate and the second base substrate.

Display apparatus having touch sensing part and method of manufacturing the same

A display device includes a first pixel electrode corresponding to a first pixel area. The display device further includes a transistor electrically connected to the first pixel electrode. The display device further includes a plurality of gate lines extending in a first direction and including a first gate line, the first gate line being electrically connected to the transistor and being configured to transmit a first gate signal for controlling the transistor. The display device further includes a plurality of first-type sensors including a first first-type sensor, the first first-type sensor being configured to provide a first output signal according to at least the first gate signal. The display device further includes a processing part electrically connected to the first first-type sensor and configured to use the first output signal for determining a first coordinate value associated with a touch applied on the display device.

Display device

A display device includes a first display substrate, which provides an input surface and includes a blocking area and a plurality of opening areas, and first and second touch sensors disposed in the blocking area. The first touch sensors receive different scan signals according to an operation mode thereof. The second touch sensors output first sensing signals on the basis of a variation in capacitance in a first operation mode and output second sensing signals according to a resonant frequency of an input device in a second operation mode.

A display apparatus includes a display panel that displays an image during a display period and detects a touch event during a non-display period. The display panel includes a plurality of common electrodes and a plurality of data lines capacitively coupled to the common electrodes during the non-display period. Coordinate information of a position at which the touch event occurs is calculated on the basis of a capacitance variation of the common electrodes and the data lines.

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Goyang-si, South Korea

Incheol Kim