Samsung Display Co., Ltd.

Geun Jeong Park

Yong Jun Jang

Cheol Woo Park

Nam-Gon Choi

Dong Gyu Lee

Gi Geun Kim

Ji-Woong Jeong

Joon-Chul Goh

Bong Hyun You

Dong-Won Park

Jung-Won Kim

Hong Soo Kim

Eun Ho Lee

Kuk-Hwan Ahn

Seokha Hong

Jai-Hyun Koh

Joon Chul Goh

Ik Soo Lee

Jeong Hun So

Ah-Reum Kim

Seokyun Son

Yun Ki Baek

Jeong-Hun So

Nam Gon Choi

Dong-Gyu Lee

Hyun Dae Lee

Ho Seok Son

Jeong Kyoo Kim

Chae Hee Park

Sang-Uk Lim

Myung Woo Lee

Uk Chul Choi

Ah Reum Kim

Bit Na Lee

Wonsik Oh

Donghwa Shin

Man Seung Cho

Bon Hyun You

A display device includes a pixel unit including first pixels connected to a data line and second pixels connected to the data line; a sensing unit overlapping the first and second pixels, the sensing unit including sensing electrodes; and a sensing controller for receiving a sensing signal from at least some of the sensing electrodes in accordance with a sensing enable signal having a sensing-on level. In a first frame period, at least two of first data voltages having different levels are applied through the data line to the first pixels and second data voltages having the same level as each other but different from the first data voltages are applied through the data line to the second pixels. In the first frame period, the sensing enable signal has a sensing-off level while the first data voltages are applied and the sensing-on level while the second data voltages are applied.

Display device and driving method thereof

A logo controller includes: a logo area detector for detecting a logo area commonly included in a plurality of first image frames, based on the plurality of first image frames; a logo peripheral area setting unit for setting a logo peripheral area expanded based on the logo area; a display load determiner for calculating a display load value, based on grayscale values of at least one first image frame, and determining the difference between a logo peripheral area representative value based on grayscale values of the logo peripheral area and the display load value exceeds a first reference value; and a logo peripheral area corrector for generating a second image frame.

Logo controller and logo control method

An apparatus for detecting an afterimage candidate region includes: a comparison unit which compares gradation data of an n-th frame with integrated gradation data of an (n&#x2212;1)-th frame and generates integrated gradation data of the n-th frame, where n is a natural number; a memory which provides the integrated gradation data of the (n&#x2212;1)-th frame to the comparison unit and stores the integrated gradation data of the n-th frame; and an afterimage candidate region detection unit which detects an afterimage candidate region based on the integrated gradation data of the n-th frame, where each of the integrated gradation data of the n-th frame and the integrated gradation data of the (n&#x2212;1)-th frame comprises a comparison region and a gradation region.

Apparatus for detecting afterimage candidate region and apparatus including the same for preventing afterimage

A timing controller includes an image determining part configured to determine whether an input image is a static image based on input image data, a signal controller configured to shift a timing of a first data enable signal to generate a second data enable signal when the input image is the static image, and a signal generator configured to generate control signals based on the second data enable signal.

Timing controller and display apparatus having the same

An apparatus includes an overlay buffer configured to store overlay data; a touch path logic to: receive first touch events from the first touch sensor panel and generate a first output based on the first touch events, and receive second touch events from the second touch sensor panel and generate a second output based on the second touch events; and a rendering logic to, when the first touch events occur: receive a first video image; receive the first output; and combine the first video image with the overlay data corresponding to the first video image to output at least one combined display image, and, when the second touch events occur: receive a second video image; receive the second output; and combine the second video image with the overlay data corresponding to the second video image to output the at least one combined display image.

Terminal and apparatus and method for reducing display lag

A image signal processing method of a liquid crystal display according to an exemplary embodiment of the present invention includes: receiving a previous image signal and a current image signal as two sequential input image signals; performing a first correction (DCC) and a doubling for the current image signal to generate a correction image signal comprising a plurality of doubled frames for the current image signal; and post-processing the portion of the plurality of doubled frames to generate a final correction image signal.

Display device and processing method of image signal thereof

A display device includes: a similar gray level block detector configured to detect a pixel data block in which a gray level difference between a plurality of pixel data included in an image signal is smaller than or equal to a threshold; a skin tone detector configured to detect the pixel data block including a skin tone; and a gamma processor configured to apply a first gamma to a plurality of pixel data included in the pixel data block when the pixel data block does not include the skin tone and apply a second gamma to the plurality of pixel data included in the pixel data block when the pixel data block includes the skin tone.

Display device and driving method thereof for improving side visibility

A display device includes a display panel including pixels for displaying four colors including a white color. The display device further includes a signal converter for generating four output signals pertaining to the four colors using three input signals pertaining to three non-white colors of the four colors. The display device further includes a signal processor for processing the output signals to generate data signals and to provide the data signals to the display panel for the pixels to display an image. The signal converter includes at least one adder and a plurality of bit shifters for calculating a white-signal candidate using signals related to the input signals. The signal converter may determine a white-related output signal of the output signals using the white-signal candidate.

Display device, signal converter for the display device, and method of operating the display device

A display device and a method of driving a display device including: storing information on a stitch pattern; setting a data processing region disposed in a vicinity of a horizontal center line of a display panel and including a plurality of pixels; and performing data processing of changing gray of data for a portion of the plurality of pixels of the data processing region according to the information on the stitch pattern. The display panel includes a plurality of pixels arranged in a form of a matrix, a plurality of first data lines disposed in a first display panel region on a first side of the horizontal center line, and a plurality of second data lines disposed in a second display panel region on a second side of the horizontal center line opposite the first side.

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Daegu, South Korea

Geun Jeong Park