Samsung Display Co., Ltd.

Sang-Kwon Ha

Ji-Gong Lee

Jin-Woo Park

Sang-Jin Pak

Joo-Hyung Lee

Hideo Yoshimura

Cheol-Min Kim

Hee-Chul Hwang

Jin-Hee Lee

Su-Min Yang

A liquid crystal display integrated with a touch sensor includes a first substrate including pixels connected to gate wires and data wires, a second substrate positioned to face the first substrate, a plurality of common electrodes corresponding to the pixels, a plurality of sensing electrodes on the second substrate, a liquid crystal layer between the first substrate and the second substrate, a gate drive unit driven corresponding to a gate control signal and configured to supply a gate signal to the pixels through the gate wires, a common electrode drive unit configured to supply a touch driving signal to the common electrodes during a touch driving period, and a control unit configured to supply a gate control signal synchronized with the touch driving signal to the gate drive unit.

Liquid crystal display with integrated touch sensor

A data processing method that includes: detecting a maximum data cell having a maximum value and a minimum data cell having a minimum value in a compression unit cell; converting the maximum data cell and the minimum data cell into a non-compressed data format; converting remaining data cells of the compression unit cell except for the maximum and minimum data cells into a compressed data format; and generating stream data in which the converted data cells are arranged, wherein the non-compressed data format and the compressed data format include a header field with different values and the non-compressed data format includes a data field corresponding to the value of the converted maximum or minimum data cell.

Method of compressing and recovering compressed data based on detecting a maximum and minimum data cell value

A display device includes a display panel and a timing controller. The display panel includes a plurality of pixels, and the timing controller determines a driving method that includes a first sub-frame arrangement method and a second sub-frame arrangement method. An arrangement of weight values of a plurality of sub-frames of the second sub-frame arrangement method is given in an opposite order from an arrangement of weight values of a plurality of sub-frames of the first sub-frame arrangement method. The timing controller applies the first sub-frame arrangement method to a first pixel among the pixels, and applies the second sub-frame arrangement method to a second pixel that is disposed next to the first pixel.

Display device for reducing dynamic false contour

A touch screen panel is disclosed. The touch screen panel includes a pixel unit, a touch sensing unit, and a data driver configured to provide data voltages to the pixel unit and to provide driving signals to the touch sensing unit.

Touch screen panel with integrated touch and data drivers

A method of controlling a dimming operation of an organic light emitting display device that includes an organic light emitting element, a first transistor connected to a data line and a gate line, and a second transistor connected to the first transistor and the organic light emitting element, is provided. By the method, image data is compensated using a plurality of look-up tables respectively corresponding to a plurality of dimming modes, to be outputted compensation data. The compensation data are converted to a data voltage to be provided the organic light emitting element with the data voltage. A level of a current applied to the organic light emitting element is adjusted according to the dimming.

Method of controlling a dimming operation and organic light emitting display device performing the same

A liquid crystal display (LCD) with an integrated touch screen panel includes a plurality of pixels connected to a plurality of data lines and a plurality of gate lines, the gate lines being divided into a plurality of groups, a plurality of sensing electrodes, a plurality of common electrodes divided into a plurality of groups, a common electrode driver configured to simultaneously supply a driving signal to common electrodes within each group of the plurality of groups of the common electrodes, and to sequentially supply the driving signal to the plurality of groups of the common electrodes, and a gate driver configured to sequentially supply a gate signal to gate lines within each of the plurality of group of the gate lines.

Liquid crystal display with integrated touch screen panel and driving method thereof

A touch screen panel includes a display unit including a timing controller for receiving a vertical synchronizing signal and a horizontal synchronizing signal to display an image, a touch sensing unit including driving electrodes, a control signal generator for generating a control signal from the vertical synchronizing signal and the horizontal synchronizing signal, and a touch controller for supplying a driving signal to the touch sensing unit in response to the control signal from the control signal generator.

Growing community of inventors

Yongin, South Korea

Sang-Kwon Ha