Samsung Display Co., Ltd.

Jaseung Ku

Hyunjae Na

Gyeongnam Bang

Kwan-ho Kim

Hoseok Son

Sungyeon Cho

Sangwon Lee

Soowon Kim

Taehyeog Jung

Yerin Oh

Suhyun Jeong

Suyul Seo

Jaeik Lim

Dong-Hwan Lee

Gi-Na Yoo

Hyungchul Kim

Suin Kim

Seongjun Lee

Jongin Baek

Jisu Yeom

A display device including a first sensor part that includes a first trunk portion, a first branch portion connected to the first trunk portion and extending in a direction different from a first direction and a second direction, a second branch portion spaced apart from the first branch portion, and a bridge connecting the first branch portion to the second branch portion. A second sensor part includes a second trunk portion extending in the second direction, and a third branch portion disposed between the first branch portion and the second branch portion.

Display device

A display device including an input sensing unit. The input sensing unit includes sensors and signal lines connecting the sensors to a driving circuit for sensing a touch. The signal lines may include reception signal lines and transmission signal lines. A resistance value of the reception signal line connected to the sensor relatively far from the driving circuit is smaller than a resistance value of the reception signal line connected to the sensor relatively close to the driving circuit.

Display module

An electronic device includes: an electronic panel including a first area, a folding area, and a second area, arranged along a first direction, the folding area being folded with respect to a folding axis defined in a second direction crossing the first direction; a support layer under the electronic panel and comprising a folding portion overlapping the folding area and provided with a plurality of holes defined therethrough, a first portion overlapping the first area, and a second portion overlapping the second area; and a folding sensing module comprising a sensing pad being electrically conductive, a driver configured to apply an electrical signal to the sensing pad, and a sensing line connecting the sensing pad and the driver.

Electronic device

A display device includes: a display panel including: a display layer; and a sensor layer on the display layer, and including first, second, and third areas; a first driver electrically connected with the sensor layer through a first pad area; and a second driver electrically connected with the sensor layer through a second pad area. The sensor layer includes: a plurality of electrodes at the first, second, and third areas; a plurality of first intersecting electrodes at the first area, and electrically connected with the first driver; a plurality of second intersecting electrodes at the second area, and electrically connected with the first driver and the second driver; and a plurality of third intersecting electrodes at the third area, and electrically connected with the second driver. Each of the first pad area and the second pad area is spaced from the second area in a first direction.

An interface device includes an electronic device and an input device for communicating with the electronic device, wherein the electronic device includes a display layer, a sensor layer which is disposed on the display layer and senses a first input by the input device, a display driving unit for generating a vertical synchronization signal for driving the display layer, and a control unit for controlling the sensor layer, wherein the control unit outputs, in synchronization with a first vertical synchronization signal, a first uplink signal to the sensor layer and outputs, in synchronization with a second vertical synchronization signal, a second uplink signal having a phase different from a phase of the first uplink signal to the sensor layer.

Electronic device and interface device having sensor layer capable of operating in two modes

A display module includes a display panel and an input sensing unit. The display panel includes a base surface. The input sensing unit is directly disposed on the base surface. The input sensing unit includes a first electrode, a second electrode, and an insulation layer. The first electrode extends in a first direction. The first electrode includes a first opening area. The second electrode extends in a second direction intersecting the first direction. The second electrode is longer than the first electrode. The second electrode includes a second opening area of a size greater than a size of the first opening area. The insulation layer is configured to insulate the first electrode from the second electrode.

Display module including touch sensing electrodes of different sizes

An electronic device includes: a display layer; and a sensor layer on the display layer, the sensor layer including: a first sensing electrode having a first sub-sensing electrode and a second sub-sensing electrode electrically separated from the first sub-sensing electrode; and a second sensing electrode intersecting the first sensing electrode, wherein the sensor layer is configured to sense an external input through a change in mutual capacitance between the first sensing electrode and the second sensing electrode, and the sensor layer is further configured to sense an input by an active pen through a change in capacitance of each of the first sub-sensing electrode, the second sub-sensing electrode, and the second sensing electrode.

Electronic device including a sensor for an active pen

An electronic device, includes: a sensor layer detecting a touch input and an input-device input; and a sensor control circuit providing the sensor layer with a signal and receiving a detection signal from the sensor layer, wherein the sensor layer includes: a first electrode extending along a first direction; a second electrode extending along the first direction; a first cross electrode extending along a second direction intersecting the first direction; and a second cross electrode extending along the second direction, wherein the sensor control circuit detects the touch input based on a variation in mutual capacitance between the first electrode and the first cross electrode, and the sensor control circuit detects the input-device input based on a variation in capacitance of at least one selected from the first electrode, the second electrode, the first cross electrode, and the second cross electrode.

A display device includes a display panel, and an input sensing part disposed on the display panel. The input sensing part includes a first main electrode, a first sub-electrode adjacent to the first main electrode, a second main electrode and insulated from the first main electrode and the first sub-electrode, the second main electrode overlapping the first main electrode and the first sub-electrode, a second sub-electrode adjacent to the second main electrode, and insulated from the first main electrode and the first sub-electrode, the second sub-electrode overlapping the first main electrode and the first sub-electrode, a first group of switches selectively connecting a transmission line and one of the first main electrode and the first sub-electrode with each other, and a second group of switches selectively connecting a receiving line and one of the second main electrode and the second sub-electrode with each other.

An electronic device includes a display member including a plurality of display elements and a sensing member including a first sensing pattern disposed on the display member and a second sensing pattern disposed on the display member and capacitively coupled to the first sensing pattern. Each of the first and second sensing patterns includes a plurality of mesh lines to define a plurality of openings. Each of the first and second sensing patterns includes a unit mesh pattern including a central opening and a plurality of peripheral openings surrounding the central opening. A plurality of cutting lines, each of which opens at least two adjacent openings of the plurality of peripheral openings to each other, are defined in the unit mesh pattern. The cutting lines are arranged in a direction surrounding the central opening.

Electronic device and method of manufacturing the same

An electronic device includes an input sensor that senses an input from an outside source to obtain a sensing coordinate. The input sensor has a plurality of sensing units defined therein. A memory stores a first modeling data obtained from first and second sensing units and a second modeling data obtained from first and third sensing units. A controller corrects the sensing coordinate to obtain a calculated coordinate. The controller comprises a first reference point moving unit that converts the sensing coordinate into a first middle coordinate based on a coordinate system having a plurality of coordinate units. A coordinate correction unit obtains a second middle coordinate by correcting the first middle coordinate based on the first and second modeling data. A second reference point moving unit obtains the calculated coordinate based on the second middle coordinate.

Growing community of inventors

Seoul, South Korea

Jaseung Ku