Samsung Display Co., Ltd.

Jeongheon Lee

Kangwon Lee

Kyowon Ku

Heewoong Park

Jungmok Park

Soongyu Lee

Byeongkyu Jeon

Junghak Kim

Jinwoo Kim

Youngsik Kim

HyunJae Lee

Suk Ho Choi

Taejoon Kim

Taehyeog Jung

Jung-Mok Park

Innam Lee

Hansu Cho

Hyun-wook Cho

Sangkook Kim

Hoonsik Kim

Mansik Myeong

Sungku Kang

Eungkwan Lee

Heeyeon Choi

Jlna Kang

Chung-Won Choi

An electronic device includes: a display layer configured to display an image; a display driver configured to drive the display layer; a sensor layer on the display layer; and a sensor driver configured to drive the sensor layer, and wherein the sensor layer is configured to output a first uplink signal generated with a first reference voltage in a first mode, and to output a second uplink signal generated with a second reference voltage greater than the first reference voltage in a second mode different from the first mode.

Electronic device having sensor layer generating uplink signals

An electronic device includes a display layer, a sensor layer, and a sensor driver that receives a sensitivity value from a node defined in an area where one electrode intersects one cross electrode, and calculates an input coordinate based on the sensitivity value. When the sensitivity value received from the node is equal to or greater than a first threshold value, the sensor driver calculates the input coordinate based on the sensitivity value. When each of a plurality of sensitivity values received from the node and a plurality of peripheral nodes adjacent to the node is less than the first threshold value and greater than or equal to a second threshold value, the sensor driver calculates the input coordinate based on the plurality of sensitivity values.

Electronic device and driving method of the same for impproving sensitivity values using adjacent nodes

Provided is an electronic device including a display panel configured to display an image, an input sensing layer on the display panel, and configured to operate in a first sensing mode in which a first input is sensed, or a second sensing mode in which a second input provided by an input device is sensed, and a sensing controller configured to control an operation of the input sensing layer, wherein, in the first sensing mode, the sensing controller operates in a first mode in which an uplink signal for searching the input device is transmitted at a first frequency to the input sensing layer, or a second mode in which the uplink signal is transmitted at a second frequency, which is less than the first frequency, to the input sensing layer, and wherein, in the second sensing mode, the sensing controller transmits the uplink signal at the first frequency to the input sensing layer.

Electronic device

An electronic device includes: a display layer to display an image; a sensor layer on the display layer; and a sensor driver electrically connected with the sensor layer, and to be selectively driven in a first mode for detecting a passive input, or a second mode for detecting an active input. In the second mode, the sensor driver is to: receive a plurality of sensing signals from the sensor layer; divide the plurality of sensing signals into a valid signal and a noise signal; calculate intermediate coordinates based on the valid signal; and correct the intermediate coordinates based on the noise signal to calculate input coordinates.

Electronic device and driving method of electronic device

An electronic device includes: a display layer; a sensor layer on the display layer and having an active area and a peripheral area adjacent to the active area, wherein the sensor layer is configured to operate in a first mode, in which a first input by an input device is sensed, and a second mode, in which a second input by touch is sensed; and a controller configured to control the sensor layer, wherein, in the first mode, the controller is configured to define the active area into a first area and a second area different from the first area, which are defined based on a coordinate at which the first input is sensed, and in the first mode, the controller is configured to provide an uplink signal to the first area and provide a reverse-phase signal having a reverse phase of the uplink signal to the second area.

Electronic device with uplink signal to first area in a first mode

An electronic device, includes: a display panel; and an input sensor on the display panel, wherein the input sensor includes a plurality of sensing electrodes, each having a first region and a second region that surrounds the first region, each of the plurality of sensing electrodes including a pen electrode configured to detect an input tool and a touch electrode configured to detect a touch input, wherein the pen electrode is at the first region, and wherein the touch electrode is at the second region.

Electronic device having input sensor

A display apparatus including a display panel, a polarizing member disposed on the display panel and having an absorption axis and a transmission axis perpendicular to each other, and a touch electrode disposed on the display panel, overlapping the polarizing member, and extending in a first direction crossing an absorption axis direction parallel to the absorption axis, in which the touch electrode includes touch patterns and a connection pattern connecting the adjacent touch patterns in the first direction, the connection pattern has a minimum width in a direction perpendicular to a second direction crossing the first direction, the first direction and the absorption axis direction form a first directional angle equal to or less than substantially 90 degrees, the first direction and the second direction form a second directional angle equal to or less than substantially 90 degrees, and the first directional angle is equal to the second directional angle.

Display apparatus

An electronic apparatus includes a display unit including a display panel and a display circuit board connected to the display panel. An input sensing unit includes a touch panel which includes an active area and a peripheral area adjacent to the active area and includes sensor patterns disposed in the active area, and a touch circuit board connected to the peripheral area of the touch panel. A polarizing film is disposed on the input sensing unit and is configured to polarize incident light. A step-difference compensation member is disposed between the polarizing film and the input sensing unit and includes a main portion overlapping the active area and a plurality of slit portions disposed between the main portion and the touch circuit board.

Electronic apparatus

A display apparatus including a display panel, a polarizing member having an absorption axis and a transmission axis, and a first touch electrode extending in a first direction is disclosed. The first touch electrode includes first touch patterns and a connection pattern connecting adjacent first touch patterns in the first direction. The connection pattern has a minimum width in a direction perpendicular to a second direction. The first direction and the absorption axis direction form a first directional angle equal to or less than about 90 degrees. The first and second directions form a second directional angle equal to or less than about 90 degrees. The second and absorption axis directions form a third directional angle equal to or less than about 90 degrees. The first directional angle is the sum of the second directional angle and the third directional angle.

Display apparatus having a crack resistance structure

A flexible display device includes a flexible display panel, an outer member disposed on a surface of the flexible display panel and including an electrode layer, and a stress control member disposed between the flexible display panel and the outer member, where the stress control member allows neutral planes to be defined in the flexible display panel and the outer member, respectively, when the flexible display device is bent, the outer member includes a touch panel including the electrode layer, a flexible member disposed on the touch panel, and an adhesive layer disposed between the touch panel and the flexible member and which couples the touch panel to the flexible member, and a neutral plane of the outer member is defined in the touch panel.

Flexible display device

A display apparatus includes a display panel configured to display an image, a window member on the display panel and including a display area for transmitting the image, and a non-display area adjacent the display area, and a touch panel between the display panel and the window member, the touch panel including a touch sensor corresponding to the display area and including a sensor part and a connection part and a signal line including a connection part coupled to and overlapping the connection part of the touch sensor, and a line part coupled to the connection part of the signal line, wherein the connection part of the touch sensor and the connection part of the signal line define a plurality of mesh holes.

Growing community of inventors

Seongnam-si, South Korea

Jeongheon Lee