Samsung Display Co., Ltd.

Nam Jae Lim

Seung Ho Park

Sang Myeon Han

Byoung Kwan An

Joon Hyeok Jeon

Seok Gyu Ban

Jin Pil Kim

Chang Hun Kim

Kuk-Hwan Ahn

Kyung Su Lee

Jai-hyun Koh

Jong Man Kim

Hoi Sik Moon

Kyoung Ho Lim

Ik Soo Lee

Ik Hyun Ahn

Jae Sung Bae

Seong Jun Kim

Yoon Gu Kim

Sung Jae Park

Seung Young Choi

Jin Ho Lee

Seung Hwan Park

Young Woon Choi

Tae Hyeong An

Da Ye Moon

A display device includes pixels connected to scan lines and data lines, each pixel including a driving transistor and at least one light emitting element, and a timing controller configured to generate output data using external input data. The timing controller includes a first compensator configured generate first data by correcting the external input data using at least one of optical measurement information, a threshold voltage of each of the driving transistors, mobility information, dimming information, and temperature information, and an afterimage compensator configured to generate second data based on age information of each light emitting element and the first data, generate third data based on a current amount corresponding to the first data and a current amount corresponding to the second data, and generate the age information by accumulating the third data.

Display device and method of driving the same

Provided is a control device connected to a display panel including a controller configured to display images by driving the display panel according to data corresponding to image frames, and a memory connected to the controller. The controller is configured to select at least one of the image frames as a reference image frame, and update stress data corresponding to a partial area of the display panel in the memory based on one image data block selected from image data blocks of the reference image frame.

Control device for driving display panel, display device including the control device, and method of operating the control device

A display device comprises pixels arranged in a display area of a display panel, and a display driver determining whether image data indicates still image characteristics or moving image characteristics and controlling a supply timing of data voltages and pixel driving control signals supplied to the pixels based on the determination result, wherein the display driver selectively adjusts a driving frequency for driving the pixels and a level of a high-potential voltage supplied to the pixels based on as result of grayscale analysis of the image data.

Display device

A display device includes a display panel, a compensation circuit, a global temperature sensor, a global current sensor, a logic circuit, a timing controller, and a data driving circuit. The compensation circuit converts a sensed analog sensing voltage from a reference voltage line of a pixel of the display panel into a digital sensing value. The global current sensor measures an amount of current flowing through the display panel to generate a global current value. The logic circuit generates a scaling factor based on temperature data of the global temperature sensor, the global current value, the digital sensing value, and first image data. The timing controller scales first image data based on the first scaling factor to generate second image data. The data driving circuit that generates a data voltage based on the second image data for driving the data line.

Display driving integrated circuit with temperature compensation and adaptive scaling, display device including the same, display system including the same, and method for driving the same

A display device includes a display panel including a plurality of display areas; a driving circuit to control the display panel; a timing controller to control the driving circuit to display an image on the display panel; a storage medium to store a plurality of weight tables respectively corresponding to the plurality of display areas; and a load value generator to generate a first load value corresponding to a first data unit of input image data, and to apply a weight to the first load value based on a first weight table corresponding to a display area in which the first data unit is to be displayed, among the plurality of weight tables. The timing controller controls the driving circuit with reference to a weighted first load value.

Display device including display panel including plurality of display areas and method for controlling the same

A display apparatus includes a display panel, a driving controller and a data driver. The driving controller processes input image data according to a variable input frequency and generates a data signal having a varied frame length. The data driver converts the data signal into a data voltage and outputs the data voltage to the display panel. The driving controller determines a variable frequency mode and generates an asymmetric data signal including a positive data signal and a negative data signal which are asymmetric with respect to a common voltage for a same grayscale value in the variable frequency mode.

Display apparatus having variable frequency mode and method of driving the same

A liquid crystal display and a method for driving the same. The liquid crystal display includes: gate lines arranged in a row direction; data lines arranged in a column direction; and subpixels arranged in basic units of eight subpixels. Each subpixel is each connected to one of the gate lines and one of the data lines, and the subpixels are continuously arranged along a row and are arranged in a matrix. In the basic units, polarities between adjacent subpixels from a first subpixel to a fourth subpixel along the row are opposite to each other, polarities between adjacent subpixels from a fifth subpixel to an eighth subpixel along the row are opposite to each other, and polarities of the fourth subpixel and the fifth subpixel are the same.

Liquid crystal display and method for driving the same

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Gwacheon-si, South Korea

Nam Jae Lim