Samsung Display Co., Ltd.

Soo Jung Lee

Keum Dong Jung

Yu Na Kim

Gwang Bum Ko

Jeong Yun Han

Suk Hyung Kim

Yeun Tae Kim

Go Eun Cha

Sung Jun Kim

Hee-keun Lee

Hae Ju Yun

Hee-Keun Lee

Dae Ho Song

Il Nam Kim

Jung Wook Lee

Hyoung Wook Jang

Ji Yeon Choi

Sung Woo Cho

Ki Seo Kim

Jung Ha Son

Sang Ji Park

Gwan Ha Kim

Chui Ho Kim

Seung Wook Chun

Bo Ram Choi

There are provided a fingerprint sensor and a display device including the same. The fingerprint sensor includes a base substrate in which a first sensing region and a second sensing region are defined on a plane, first photo sensors disposed on the first sensing region of the base substrate, and second photo sensors disposed on the second sensing region of the base substrate. The first sensing region has an area larger than that of the second sensing region, and the first photo sensor has a width wider than that of the second photo sensor.

Fingerprint sensor and display device including the same

A display device is provided. The display device includes a first substrate, a first detection electrode on the first substrate, a first bank including an opening that exposes the first detection electrode, a photosensitive layer on the first detection electrode, a second detection electrode on the photosensitive layer, a first electrode on the second detection electrode, a second bank including an opening that exposes the first electrode, a light emitting layer on the first electrode, a second electrode on the light emitting layer, a first optical system between the second detection electrode and the first electrode, and a second optical system on the second electrode, wherein the first optical system and the second optical system overlap the photosensitive layer in a thickness direction of the display device.

Display device having a detection element

The terminal includes a touch panel including first electrodes arranged in a first direction and second electrodes arranged in the second direction intersecting the first direction, a display panel attached to the touch panel and to display an image, and a processor to control the touch panel and the display panel. In a measuring mode, the processor is configured to: apply a driving signal to the touch panel, the touch panel being configured to form an electric field and/or magnetic field when the driving signal is applied, and determine body composition of a user based on a sensing signal output from the touch panel in accordance with eddy current, the eddy current being induced to a body of the user by the electric field and/or magnetic field formed around the touch panel.

Terminal and method for controlling the same

A sensor unit including a plurality of driving electrodes, and a plurality of sensing electrodes, in which a first unit sensor is defined by R driving electrodes among the plurality of driving electrodes and S sensing electrodes among the plurality of sensing electrodes in a first driving mode, a second unit sensor is defined by P driving electrodes among the plurality of driving electrodes and Q sensing electrodes among the plurality of sensing electrodes in a second driving mode, P, Q, R and S are integers equal to or greater than 1, and R is smaller than P, and S is smaller than Q.

Sensor unit, display device including the same, and method for measuring moisture using the same

A touch sensing device includes touch electrodes, a sensing circuit unit configured to sense a capacitance change value of each of a plurality of touch nodes formed by the touch electrodes, an analog-digital converter configured to output the capacitance change value of each of the plurality of touch nodes as digital touch sensing data, and a touch data compensator configured to analyze the touch sensing data to calculate a touch area ratio and configured to compensate for the touch sensing data according to the touch area ratio.

Touch sensing device, display device including the same, and method of driving the same

A touch sensor includes a base, first sensing electrode columns (FSECs), and second sensing electrode columns (SSECs). The base includes a sensing region (SR) including a rounded corner (RC), and a non-SR outside the SR. The FSECs extend in a direction on the base, each FSEC among the FSECs including first sensing electrodes (FSEs), each FSE among the FSEs including sub-electrodes. The SSECs are alternately disposed with the FSECs on the base, each SSEC among the SSECs including second sensing electrodes (SSEs). Sub-electrodes of one of adjacent FSEs among the FSEs are electrically connected to respective sub-electrodes of another of the adjacent FSEs. A sub-electrode closest to the RC among the sub-electrodes includes a rounded edge (RE) corresponding to the RC. A SSE closest to the RC among the SSEs includes a RE corresponding to the RC, and a protrusion part protruding toward the sub-electrode including the RE.

Touch sensor including rounded corner and sensing electrode including rounded edge corresponding to rounded corner, and display device including the same

A pen sensing unit and a display device are disclosed. The pen sensing unit comprises a first pen line, a pen scan line, and a pen sensor member. The first pen line extends in a first direction. The pen scan line extends in a second direction that intersects the first direction. The pen sensor member is connected to the first pen line and the pen scan line. The pen sensor member is configured to sense input from a pen. The pen sensor member comprises a pen sensor and a pen sensor circuit. The pen sensor circuit is connected to a first end of the pen sensor. The pen sensor circuit comprises a first thin film transistor.

Pen sensing unit including pen sensor member connected to pen line and pen scan line and display device including the same

A display device includes: a display panel which includes a first area and a second area; and a sensor device which overlaps the first area in a thickness direction of the display panel. The display panel includes first sensor electrodes in the first area and second sensor electrodes in the second area, and a shape of a first sensor electrode of the first sensor electrodes is different from a shape of a second sensor electrode of the second sensor electrodes.

Display device

A touch sensor includes a base layer, first touch sensor columns, second touch sensor columns, and sensing lines. The base layer includes a sensing region and a non-sensing region. The first touch sensor columns extend in a first direction. The first touch sensor columns include first touch electrodes. The first touch electrodes include sub-touch electrodes in the sensing region. The second touch sensor columns include second touch electrodes in the sensing region. The second touch sensor columns are alternately arranged with the first touch sensor columns. The sensing lines are in the non-sensing region. The sensing lines include: first sensing lines electrically connected to the sub-touch electrodes, and second sensing lines electrically connected to the second touch electrodes. The sub-touch electrodes and the second touch electrodes have different widths.

Touch sensor including various sensing electrodes of different sizes and display device including the touch sensor

A sensor unit including driving electrodes and sensing electrodes, driving lines connected to the driving electrodes, sensing lines connected to the sensing electrodes, a driving signal output unit configured to sequentially apply driving signals to every P driving lines in a first driving mode, and a detector configured to receive detection signals from every Q sensing lines in the first driving mode, in which P and Q are positive integers.

A foldable display device includes: a first substrate, a first thin-film transistor layer on the first substrate, a light emitting element layer on the first thin-film transistor layer, and a fingerprint sensor layer to receive light reflected by an external object. The fingerprint sensor layer includes: a second substrate under the first substrate, a second thin-film transistor layer under the second substrate, and a light receiving element layer under the second thin-film transistor layer.

Touch sensor and display device including the same

A touch screen includes a base film which includes a sensing area and a non-sensing area; a plurality of first touch electrodes including a plurality of sub-touch electrodes disposed in the sensing area; a plurality of second touch electrodes disposed in the sensing area; first and second sensing lines disposed in the non-sensing area; and a bridge line which is disposed in the non-sensing area and is connected to the first sensing line. The bridge line includes a multilayer structure in which at least two sub-bridge lines are stacked to overlap each other in plan view.

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Yongin-si, South Korea

Soo Jung Lee