Samsung Display Co., Ltd.

Amazon Technologies, Inc.

Samsung Dispaly Co., Ltd.

Su-Hyeong Park

Ho-Yong Jung

Ji-Myoung Seo

Kyoung-Won Lee

Sang-Mi Kim

Jae-Ho Choi

Myeong-Su Kim

Hee-Soon Jeong

Joon-Chul Goh

Cheol-Woo Park

Eun-Ho Lee

Uk-Chul Choi

Yong-Jun Jang

Hyun-Dae Lee

Hyun-Sik Hwang

Bong-Hyun You

Mun-San Park

Soo-wan Yoon

Woo-Mi Bae

Ji-Woong Jeong

Soo-Wan Yoon

Jun-Woo Hong

Tae-Hyeong An

A display device includes a display panel including a plurality of pixels, a scan driving unit configured to provide a scan signal to the pixels, a data driving unit configured to provide a data signal to the pixels, and a controller configured to provide driving frequency information to a processor, which transfers image data with a driving frequency determined based on the driving frequency information to the display device, to receive the image data with the driving frequency from the processor, and to control the scan driving unit and the data driving unit to drive the display panel with the driving frequency.

Display device, electronic device having display device and method of operating the same

A display apparatus includes: a display panel including a gate line, a storage line adjacent to the gate line, and a pixel, the pixel including a pixel transistor coupled to the gate line, a liquid crystal ('LC') capacitor coupled to the pixel transistor, and a storage capacitor coupled to the LC capacitor; a first gate driver configured to provide a gate signal to the gate line; and a first level switch configured to provide a storage signal to the storage line, the storage signal being synchronized with the gate signal and having a phase opposite to a phase of the gate signal.

Display apparatus and method of driving the display apparatus

A display apparatus includes a timing controller, a data driver and a display panel. The timing controller receives input image data at a first frequency substantially equal to a frame rate of an input image. The timing controller generates a data signal having the first frequency based on the input image data having the first frequency. The data driver converts the data signal into a data voltage. The display panel displays an image based on the data voltage.

Display apparatus and method of driving display panel using the same

A gate driver includes stages configured to output gate signals and gate initialization signals. Here, an Nth stage includes a first output block configured to generate an Nth carry signal based on an N&#x2212;1th carry signal and to generate an Nth gate initialization signal based on the N&#x2212;1th carry signal, an output enable signal, and an output disable signal that is an inverted signal of the output enable signal; and a second output block configured to generate an Nth gate signal by shifting the Nth gate initialization signal by a horizontal time, where N is a positive integer.

Gate driver and display device including the same

A display device includes a display panel, a controller, a power supplier, and an initialization voltage generator. The controller generates a power control signal based on an input image. The power supplier generates a variable driving voltage that is changed based on the power control signal. The initialization voltage generator changes an initialization voltage to initialize the pixels based on the variable driving voltage.

Display device and method of driving the same

A display apparatus includes an image analyzer that analyzes image data and outputs an interrupt signal at a period during which the image data of a low frequency change to the image data of a high frequency, a frequency detector that detects the high frequency, a frame rate controller that outputs a vertical synch signal of the high frequency in response to the interrupt signal, a polarity compensation controller that determines a last frame of the low frequency based on an interrupt period at which the interrupt signal is generated, generates a reversed polarity signal with respect to a polarity signal of the last frame and outputs the reversed polarity signal during a polarity compensation period close to the interrupt period, and a data driver circuit that outputs a data signal based on the reversed polarity signal to a data line during the polarity compensation period.

A method of driving a display panel includes generating a first driving period having a first driving frequency, generating a second driving period having a second driving frequency, and inserting a compensating frame between the first driving period and the second driving period. A display apparatus includes a display panel configured to display an image, and a display panel driver configured to generate a first driving period having a first driving frequency, to generate a second driving period having a second driving frequency, and to insert a compensating frame between the first driving period and the second driving period.

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

A data driver including a power control part configured to control power according to mode signal determined based on an input image, a digital to analog converting part configured to convert a digital data signal into an analog data voltage, a buffering part configured to buffer the data voltage, a first switching part configured to apply the data voltage to a data line in a normal mode, when turned on, and a second switching part configured to apply a blank voltage to the data line in a blank period of a low frequency mode, when turned on.

Data driver, display apparatus having the same and method of driving display panel using the same

A scan driver of an organic light emitting diode (OLED) display device includes a plurality of sequentially-connected stages each connected to a plurality of pixels through a plurality of first-scan lines and a plurality of second-scan lines. Each stage of the sequentially-connected stages includes a common driver and a sub-driver unit. The common driver is configured to concurrently provide a common first-scan signal to the first-scan lines of the stage in response to at least a first initialization signal and a second initialization signal. The sub-driver unit is configured to serially provide second-scan signals to the second-scan lines of the stage in response to a plurality of output enable signals, the first-scan signal, and one of the first initialization signal and the second initialization signal. An order of the serial providing of the second-scan signals to the second-scan lines is dynamically configurable based on the output enable signals.

Scan driver, organic light emitting diode display device and display system including the same

A method of driving a display panel includes dividing an input image into a plurality of segments; generating flicker levels of respective ones of the segments; determining a frame rate of the display panel based on the flicker levels of the segments; and outputting a data voltage to the display panel at the frame rate.

A stage of a gate driver includes a carry generate block configured to output an (N)-th carry signal based on an input signal and to provide the (N)-th carry signal to an (N+1)-th stage; a first output block configured to output an (N)-th gate initialization signal based on the input signal, an input enable signal, and an input disable signal, wherein the input disable signal is inverted with respect to the input enable signal; and a second output block configured to receive the (N)-th gate initialization signal and to output an (N)-th gate signal according to the output of the (N)-th gate initialization signal; the (N)-th gate signal being delayed one horizontal period from the (N)-th gate initialization signal, wherein the gate signals and the gate initialization signals of the stages are selectively output based on the input enable signal and the input disable signal.

Gate driver and display device having the same

A liquid crystal display includes: a display panel including data lines, scan lines and a plurality of pixels connected to the data lines and the scan lines; a scan driver configured to supply scan signals to the scan lines; a data driver configured to supply data voltages to the data lines; and a timing controller configured to control operation timings of the scan driver and the data driver, where the timing controller is configured to output a plurality of scan output enable signals to the scan driver, and the scan driver is configured to supply odd scan signals to odd scan lines based on a first scan output enable signal of the scan output enable signals and to supply even scan signals to even scan lines based on a second scan output enable signal of the scan output enable signals.

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Gyeongju-si, South Korea

Su-Hyeong Park