Samsung Display Co., Ltd.

Other

Jung Hak Kim

Jin Woo Kim

Young-Sik Kim

Young Sik Kim

Sang Chul Lee

Do Ik Kim

Ga Young Kim

Jeong Heon Lee

Kyo Won Ku

Hee Yeon Choi

Gwang Bum Ko

Jae Hyung Jo

Sung Hwan Kim

Byeong Kyu Jeon

Jong Tae Kim

Soon Gyu Lee

Dong Chun Lee

A touch detection device may include a touch area including a plurality of driving electrodes and a plurality of detecting electrodes, a plurality of touch driving integrated circuits (ICs) electrically connected to and supplying driving signals to the driving electrodes, a plurality of touch detecting ICs electrically connected to the detecting electrodes and receiving touch detection signals from the detecting electrodes, and a touch control IC controlling the touch driving ICs and the touch detecting ICs. The touch area may be divided into a plurality of sub-touch areas, the touch driving ICs may be provided to correspond to the plurality of sub-touch areas, respectively, in a one-to-one manner, and the plurality of touch detecting ICs may be provided to correspond to the sub-touch areas, respectively.

Touch detection device with touch control integrated circuit and display device including the same

A display device includes a display region and a sensing region overlapping with each other, a plurality of pixels in the display region, a plurality of first electrodes arranged in a first direction in the sensing region, a plurality of second electrodes arranged in a second direction in the sensing region, and a driving circuit including a display driver for driving the pixels corresponding to image data, and a touch driver for sensing a touch input using a sensing signal input from each of the first electrodes, and configured to supply a noise compensation signal corresponding to the image data to the second electrodes during a period in which the pixels are driven.

Display device and method of driving the same

A display device including: a display panel including a display area in which an image is displayed; and a fingerprint sensor disposed on a first surface of the display panel and including a sensing area for sensing a fingerprint of a user, wherein the display device is configured to authenticate the fingerprint of the user by using data for a portion of the sensing area.

Display device including a fingerprint sensor and a method of driving the same

A fingerprint sensor includes a substrate, a sensor pixel disposed on the substrate and including a light sensing element through which a sensing current flows according to an amount of incident light, a light-blocking conductive layer disposed on the sensor pixel and including a plurality of holes, a first fingerprint pad disposed on the substrate, and a conductive connector connected to the first fingerprint pad and to which a predetermined voltage is applied. The light-blocking conductive layer is electrically connected to the conductive connector.

Fingerprint sensor and display device including the same

A fingerprint sensor including: a substrate; a light sensing element that includes a sensing electrode disposed on the substrate, a semiconductor layer disposed on the sensing electrode, and a common electrode disposed on the semiconductor layer; a light-blocking conductive layer disposed on the common electrode and including light transmitting holes; and a light guide unit disposed on the light-blocking conductive layer.

Fingerprint sensor and a display device including the same

A display device includes a first display panel for displaying a first image, a fingerprint sensor disposed on one surface of the first display panel and detecting light passing through the first display panel, and a first light transmission control unit disposed between the first display panel and the fingerprint sensor for controlling transmission of light.

A display device includes: a display unit; and a sensor unit overlapping with the display unit, and including first sensors, and second sensors crossing the first sensors. During a first frame period, the first sensors are to transmit an uplink signal, and the second sensors are to not transmit the uplink signal, and during a second frame period after the first frame period, the second sensors are to transmit the uplink signal, and the first sensors are to not transmit the uplink signal.

Display device and driving method thereof

A touch sensor includes a base layer and a plurality of first touch electrodes disposed on the base layer. The plurality of first touch electrodes are arranged in a first direction. The plurality of first touch electrodes include openings, and are electrically connected to one another. A plurality of second touch electrodes are disposed on the base layer. The plurality of second touch electrodes are arranged in a second direction. The plurality of second touch electrodes are electrically connected to one another. First pressure sensing electrodes and second pressure sensing electrodes are separated from each other and are disposed in the openings. The pressure sensing electrodes and second pressure sensing electrodes are spaced apart from the first touch electrodes. The first pressure sensing electrodes, the second pressure sensing electrodes, the first touch electrodes, and the second touch electrodes are all disposed in a first layer.

Display device and touch sensor including touch sensing electrodes

A display device includes: a display unit including a display area and a non-display area; and a vibration generating unit disposed on the display unit and including a vibration area and a non-vibration area. The vibration generating unit includes first vibration electrodes, second vibration electrodes facing the first vibration electrodes, and vibration layers disposed between the first vibration electrodes and the second vibration electrodes, and the vibration layers are disposed in the vibration area and spaced apart from each other.

Display device having vibration electrodes in vibration area and method of driving the same

There is provided a display device including a high-sensitivity touch sensor. A display device includes: pixels arranged in a display region; sensing electrodes arranged in a sensing region; sensing lines coupled to the respective sensing electrodes; a noise detection electrode disposed on the same layer as the sensing electrodes; sensing channels each including a first input terminal coupled to any one of the sensing electrodes and a second input terminal coupled to the noise detection electrode, the sensing channels each generating an output signal corresponding to a voltage difference between the first and second input terminals; and a processor detecting a touch input, using the output signals of the sensing channels.

Display device

A display device includes: a display panel including a display area; a fingerprint sensor disposed under the display panel overlapping the display area, the fingerprint sensor including: an optical lens; a lens frame disposed under the optical lens; an image sensor disposed under the lens frame and exposed toward the optical lens through an opening formed in the lens frame; and an adhesive layer disposed between the lens frame and the display panel and surrounding the optical lens in a plan view, and attaching the lens frame and the display panel to each other; and a lens guide disposed between the adhesive layer and the optical lens in the plan view, and configured to maintain a distance between a lower surface of the display panel and an upper surface of the optical lens, the lens guide protruding from an upper surface of the lens frame toward the display panel.

A touch sensor includes a sensor unit having a first region including at least one pair of a first electrode and a second electrode, and a second region including at least two pairs of first electrodes and second electrodes, a plurality of sensing channels each including first and second input terminals, wherein the first input terminals of the sensing channels are connected to different ones of the first electrodes, an amplifying circuit connected between the second input terminals of the sensing channels and the second electrodes, and an input control unit connected between the amplifying circuit and the second electrodes, the input control unit including a first resistor connected to the second electrode of the first region, and a second resistor commonly connected to the second electrodes of the second region.

Growing community of inventors

Yongin-si, South Korea

Jung Hak Kim