Samsung Display Co., Ltd.

Hak-Mo Choi

Min-Yup Chae

Chang-Soo Lee

Hoi-Sik Moon

Jae-Seok Choi

Dae-Gwang Jang

Hoisik Moon

Gwang-Ho Nam

Jun-Pyo Lee

Jae-Hyoung Park

Byung-Kil Jeon

Hoi Sik Moon

Hyun-Sik Yoon

Jong-Hee Na

Jae-Suk Choi

Tae Kwon Jung

Min Ha Keum

Gwangho Nam

Gwang Ho Nam

Kang-Hyun Kim

Jung-Suk Han

Ho-young Kim

Jae-Seob Chung

Hyungwoo Yim

Hyung-ku Kang

Juneyoung Lee

Donghak Pyo

Hyeonyong Jang

Dong-Hak Pyo

Min-Ha Keum

Dong Hak Pyo

Tae-Kwon Jung

A display apparatus includes, a first pattern included in a first layer, a second pattern included in a second layer, a first test pattern including a plurality of first lines extending in a first direction and having a first width, and being spaced apart from each other, a second test pattern included in the second layer, including a central line and a plurality of second lines connected to the central line, wherein the plurality of second lines extend in the first direction have a second width, and are spaced apart from each other, and wherein at least one of the second lines is electrically connected to the first lines, and a shift tester configured to apply a test voltage to the central line to determine a degree by which the second pattern is shifted with respect to the first pattern by measuring the voltages at the first lines.

Display apparatus, method of driving the same and method of manufacturing the same

A display panel is divided into multiple areas respectively driven by multiple drivers, and the multiple areas are adjacent to each other along a first direction. An object moves along the first direction between a first frame and a second frame and is displayed on the display panel. The moving speed of the object is compared with a reference speed. A main compensation frame is added between the first frame and the second frame. A first high speed compensation frame is added between the first frame and the main compensation frame when the moving speed is higher than or equal to the reference speed. A first low speed compensation frame is added between the first frame and the main compensation frame when the moving speed is lower than the reference speed, and the first low speed compensation frame is different from the first high speed compensation frame.

Method of driving display panel, timing controller for performing the same and display apparatus having the timing controller

A method of displaying a three-dimensional image includes outputting a converted left image generated based on a left image to a pixel of a display panel during a first period, where the converted left image has a grayscale value less than a grayscale value of the left image, outputting the left image to the pixel of the display panel during a second period, outputting a converted right image generated based on a right image to the pixel of the display panel during a third period, where the converted right image has a grayscale value less than a grayscale value of the right image, and outputting the right image to the pixel of the display panel during a fourth period.

Method of displaying three-dimensional image and display apparatus using the same

A method of driving a display panel includes outputting a dummy gate voltage to a gate line disposed on a boundary of a first area of the display panel and a second area of the display panel adjacent to the first area during a blank period between a plurality of scanning periods and outputting a dummy data voltage to a data line during the blank period.

Method of driving display panel and display apparatus for performing the same

A method of driving a display panel is provided. The display panel includes first through n-th gate lines and a plurality of pixels each connected to one of the first through n-th gate lines (where n is a natural number). The method includes charging pixels connected to the n-th gate line with first data voltages corresponding to a first frame image during a first period, charging pixels connected to the first gate line with the first data voltages during the first period, charging the pixels connected to the first gate line with second data voltages corresponding to a second frame image during a second period subsequent to the first period, and charging pixels connected to the second gate line with the second data voltages during the second period.

Method of driving a display panel and a display apparatus for performing the same

A method of driving a display panel includes respectively outputting first to j-th, where j is a natural number, gate signals to first to j-th gate lines disposed on a first area of the display panel during a load period when an image is displayed on the display panel due to an output of a data signal to the display panel, adjusting a blank gate voltage during a blank period between load periods to generate an adjusted blank gate voltage, generating a blank gate signal based on the adjusted blank gate voltage, and outputting the blank gate signal. Thus, display quality of a display apparatus may be improved.

Method of driving a display panel, display panel driving apparatus for performing the method and display apparatus having the display panel driving apparatus

A display device and a driving method thereof are disclosed. In one aspect, the display device includes a display panel including a plurality of pixels, a data driver transferring data voltages to a plurality of data lines, and a gate driver transferring gate signals to a plurality of gate lines. The display device also includes a signal controller controlling the data driver and the gate driver and including a signal processor. The signal processor includes a memory and a coupling index calculator calculating a coupling index which represents a coupling degree between adjacent rows. The signal processor compensates for the input image signal to generate a compensated image signal based at least in part on the coupling index.

Display device and driving method thereof

A display apparatus is provided. The display apparatus includes a display panel including a plurality of display blocks; a driving circuit configured to control an image to be displayed on the display panel; and a timing controller configured to control the driving circuit in response to an image signal and a control signal and to provide a data signal to the driving circuit, wherein the timing controller comprises a memory storing gamma correction values corresponding to gray scales of the image signal, and wherein the timing controller outputs the data signal, and the data signal is obtained by correcting the image signal using the gamma correction values.

Display apparatus and method of driving the same

A display device includes pixels respectively arranged in areas defined by gate lines and data lines, a gate driver that drives the gate lines in response to a gate pulse signal, a data driver that drives the data lines in response to a clock signal and a data signal, and a timing controller that applies the clock signal and the data signal to the data driver and the gate pulse signal to the gate driver in response to an image signal and a control signal. The timing controller periodically changes a pulse width of each of the gate pulse signal and the clock signal.

Display device

A display device is provided. The display device includes pixels, a data driver, a signal controller, a data processor. The data driver is configured to apply a first data voltage to a first pixel. The signal controller is configured to transfer an image data signal and a data control signal for controlling an operation of the data driver. The data processor is configured to detect a first region including a moving in a first image signal, to apply a first dynamic capacitance control (DCC) to the first region, to apply a second DCC to a second region other than the moving pattern region, to generate the second image signal by combining the first region to which the first DCC is applied and the second region to which the second DCC is applied, and to transfer the second image signal to the signal controller.

In a display apparatus, a display panel is divided into dimming areas and a backlight device includes light source blocks providing light to the dimming areas. Average gray-scale values and maximum gray-scale values respectively corresponding to the dimming areas are generated based on image signals provided to the dimming areas. Whether the average gray-scale values and the maximum gray-scale values are respectively within first and second reference ranges are checked. One of at least two parameters is selected according to a checked result, and representative brightness values respectively corresponding to the dimming areas are determined using the selected parameter. Duty ratios of the light source blocks are controlled based on the representative brightness values. As a result, power consumption is reduced when applying a dimming device to the display apparatus.

Method of controlling backlight device and display apparatus using the same

A method of driving a light source unit of a liquid crystal display panel according to an exemplary embodiment of the present disclosure includes the steps of calculating average and maximum values of image signals applied to the liquid crystal panel; calculating a representative value of the image signals using the average and maximum values; determining the luminance of the light source unit according to the representative value and driving the light source unit accordingly. The representative value may be calculated from L=(1&#x2212;&#x3b2;)&#xd7;L+&#x3b2;&#xd7;L, where Lis a representative value, Lis an average value, Lis the maximum value, and &#x3b2; is a value that decreases as a difference between the maximum and average image signal values increases, and has a range between 0 and 1.

Method for driving liquid crystal display device

A data processing method compensates a color of input data for a present frame of a display panel of a display apparatus to generate color compensating data. Dimming levels of a plurality of light emitting blocks included in a light source module for the display panel are determined using the color compensating data. Compensating data of the present frame is generated using the color compensating data and compensating coefficient data including the dimming levels.

Data processing method and display apparatus for performing the same

An impulsively driven liquid crystal display includes a display panel displaying an image in response to a gate signal and a data signal, a panel driving circuit providing the gate signal and the data signal to the display panel using an image signal and a control signal, a backlight unit including a plurality of light sources that blink at once to provide a light to the display panel, and a backlight control circuit. The backlight control circuit automatically detects an existence of text information from a received image signal, and if the text is detected to be present, adjusts the blinking timing of the light sources to correspond with the area on the display panel where the text will be displayed, the adjustment being a function of a liquid crystal response delay time of liquid crystals used in the display panel.

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Seoul, South Korea

Hak-Mo Choi