Samsung Display Co., Ltd.

Samsung Mobile Display Co., Ltd.

Samsung Sdi Co., Inc.

Nexuschips Co., Ltd.

Munhwa Broadcasting Corporation

Hyoung-Wook Jang

Hui Nam

Beom-Shik Kim

Myoung-Seop Song

Jang-Doo Lee

Ja-Seung Ku

Ja-seung Ku

Hyun-Sook Kim

Woo-Jong Lee

Soon-Sung Ahn

Hyo-Jin Lee

Chan-Young Park

Chan-young Park

Duck-Myung Lee

Han-Jun Choi

Hag-Keun Kim

Seong-Cheol Han

Choon-Hyop Lee

Jung-Yun Kim

Hee In Nam

Seung-Heui Jeong

A touch screen panel includes a plurality of pixels on a substrate, a sealing thin film on the substrate, and a plurality of sensing electrodes on the sealing thin film, each of the sensing electrodes having a mesh structure, the mesh structures of the sensing electrodes and the pixels overlapping different portions of the substrate.

Display device

A flexible display device having a touch and bending sensing function includes a plurality of pixels on a display area of a first substrate, and a pressure sensor portion between the first substrate and the plurality of pixels, the pressure sensor portion including a plurality of first electrodes arranged in a first direction and a plurality of second electrodes above the first electrodes and arranged in a second direction.

Flexible display device having touch and bending sensing function

A capacitive type touch sensor, includes a plurality of driving electrodes, a plurality of sensing electrodes disposed to overlap the driving electrodes, the sensing electrodes and the driving electrodes being spaced apart from each other, a driving unit configured to supply driving signals to the respective driving electrodes, and a sensing unit configured to detect sensing signals from the sensing electrodes, wherein the driving signals supplied by the driving unit include at least one of a first driving signal having a first frequency and a second driving signal having a second frequency different from the first frequency.

Capacitive type touch sensor

A stylus includes a pressure detector for detecting applied pressure, a first signal generator for generating a signal of a first frequency, a second signal generator for generating a signal of a second frequency, and a controller for adjusting at least one of the first and second signal generators to control an amplitude ratio of the signal of the first frequency to the signal of the second frequency according to the applied pressure detected by the pressure detector.

Stylus comprising signal generators to adjust amplitude ratio, pressure detecting system and driving method thereof

A touch sensor includes a controller to detect a touch on a screen. The controller includes a voltage analyzer and a calculator. The voltage analyzer measures an output voltage of a sensing electrode of a touch sensor. The calculator calculates a capacitance between the sensing electrode and a driving electrode. The calculator calculates the capacitance based on a voltage matrix and the output voltage for one or more time periods. The voltage matrix is based on a code matrix of a plurality of code matrices.

Touch sensor having multiple code matrices and driving method thereof

A touch screen system includes a touch screen panel including first lines, second lines crossing the first lines, a plurality of sensing cells formed at the crossing regions between the first lines and the second lines, a driving circuit for sequentially applying a driving signal to the first lines, a first sensing circuit for receiving capacitance change information sensed by the first lines, and generating a first sensing signal corresponding to the capacitance change information, a selecting unit for selectively coupling the first lines to the driving circuit or the first sensing circuit, a second sensing circuit for receiving the capacitance change information sensed by the sensing cells from the second lines and generating a second sensing signal corresponding to the capacitance change information, and a processing unit for receiving a sensing signal from the first sensing circuit and/or the second sensing circuit and determining a detected touch position.

Touch screen system and method of driving the same

Touch screen panel

A display device including a plurality of pixels at a display region of a first substrate, and an electromagnetic resonance (EMR) sensor unit at one surface of the first substrate, the EMR sensor unit including a first group of coils and a second group of coils, the first group of coils and the second group of coils being laminated, wherein the EMR sensor unit is beneath the plurality of pixels.

Display device having touch screen sensing function

A stereoscopic image display device includes: a display unit including a plurality of pixels arranged in a matrix format, the pixels including left-eye and right-eye pixels alternately arranged in one direction; a memory including a left-eye image area for storing left-eye image data corresponding to the left-eye pixels and a right-eye image area for storing right-eye image data corresponding to the right-eye pixels; an address comparator for the respectively storing the left-eye and right-eye image data at corresponding addresses of the left-eye and right-eye image areas and making an arrangement of the left-eye and right-eye image areas in the memory in response to a first signal; a data synthesizer for synthesizing a stereoscopic image signal from the data stored in the memory; and a data driver for applying a data signal corresponding to a stereoscopic image signal to the display unit.

Stereoscopic image display device

A 2-dimensional (2D)/3-dimensional (3D) image display device generates 2D or 3D image data according to an input image signal and displays them on a display unit. The display unit includes a display panel for displaying an image in response to the 2D or 3D image data and an optical element layer operative during first and second driving modes in accordance with the 3D and 2D image data. A controller converts the optical element layer to be in the first driving mode in a first period before a 3D image signal is displayed when the input image signal changes from a 2D image signal to the 3D image signal, and converts the optical element layer to be in the second driving mode in a second period after the 2D image signal is displayed when the input image signal changes from the 3D image signal to the 2D image signal.

2D/3D image display device, electronic image display device, and driving method thereof

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Yongin-si, South Korea

Hyoung-Wook Jang