Samsung Display Co., Ltd.

Samsung Electronics Co., Ltd.

Dong-Won Park

Bonghyun You

Bong Hyun You

Nam-Gon Choi

Bong-Hyun You

Po-Yun Park

Sang-Soo Kim

Joon-Chul Goh

Seokha Hong

Seung-Hwan Moon

Jung-Won Kim

Junki Jeong

Jae-Sung Bae

Jang-Kun Song

Kyung-Ho Park

Donggyu Lee

Dong Gyu Lee

Kuk-Hwan Ahn

Jai-Hyun Koh

Jai-hyun Koh

Jung-Hwan Cho

Jaesung Bae

Geunjeong Park

Ilgon Kim

Ji-Woong Jeong

Jaewon Kim

Dong Hee Shin

Jin-Ho Park

Jaehoon Lee

Hyungjun Park

Yong Jun Jang

Hong Soo Kim

Sang-uk Lim

Won Sik Oh

Kyung-Hoon Kim

Hoi-Sik Moon

Seok Ha Hong

Sungjae Park

Jae Wan Park

Jae-Hyoung Park

Bong-Ju Jun

Whee-Won Lee

Byung-Kil Jeon

Won-Sik Oh

Yong-Bum Kim

Dong-Hyun Yeo

Mun-San Park

Jung Hwan Cho

Kyoungho Lim

Sang-Je Lee

Jae Sung Bae

Sangjin Jeon

Ki-Chan Lee

Cheol Woo Park

Jae-Gwan Jeon

Seokyun Son

Hyun-Seok Ko

Ji-Myoung Seo

Geun Jeong Park

Jae-Wan Park

Ik Soo Lee

Kyoung-Won Lee

Dong-Hyun Yoo

Jin-kyu Park

Gi Geun Kim

Hee-Jin Choi

Hyun Dae Lee

KyoungHo Lim

Dong-Gyun Ra

Si Hyun Ahn

Woongkwon Kim

Jang-Hyun Yeo

Taehyeong An

Ho Seok Son

Jong-Hyon Park

Jimyoung Seo

Jae Hyung Cho

Sang-Keun Lee

Jong-Jae Lee

Eun-Ho Lee

Yun Ki Baek

Sang-Uk Lim

Uk Chul Choi

Iksoo Lee

Hong-Kyu Kim

Sang-Mi Kim

Ga-Na Kim

Yongjun Jang

Yong-Jun Jang

Hyoung-Sik Nam

Young-Soo Sohn

Jae-Won Kim

Hyun-Dae Lee

Jeong-Hun So

Jae Hyun Cho

Ki-Tae Yoon

Bon-Sung Koo

Wonsik Oh

Seok-Ha Hong

Donghwa Shin

A display panel driving apparatus includes a data processing part. The data processing part calculates a first pretilt value of previous image data to output a first pretilt signal, calculates a second pretilt value of current image data to output a second pretilt signal, analyze a luminance distribution of unit pixels from image data to output luminance distribution analysis data, analyzes a color pixel to which a pretilt is applied based on the unit pixel from the image data to output color analysis data, outputs a determination signal indicating whether the pretilt is applied to the image data, according to the luminance distribution analysis data and the color analysis data, and outputs pretilt compensation image data according to the first pretilt signal, the second pretilt signal and the determination signal, as compensation image data.

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

A display apparatus includes a display panel, a timing controller, a gate driver, and a data driver. The display panel includes a display area configured to display an image and a non-display area adjacent to a side of the display area in a first direction. The display area includes gate lines, data lines, gate dummy lines, data contact parts, and pixels. The data lines cross the gate lines and are insulated from at least a portion of the gate lines. The gate dummy lines are substantially in parallel to the gate lines and spaced from the gate lines. The data contact parts couple the gate dummy lines to the data lines at a side of the display panel in a second direction substantially perpendicular to the first direction. The pixels are coupled to the gate lines and the data lines.

Display panel and display apparatus having the same

A display device includes a display panel, a timing controller which receives a first image signal and a first control signal from an external device and outputs a second image signal and a second control signal, and a data driving part including a plurality of source integrated circuits ('IC's) having different channel numbers based on a distance thereof from the timing controller, in which the data driving part receives the second image signal and the second control signal and outputs a third image signal and a third control signal to the display panel.

Display device with source integrated circuits having different channel numbers

A method of driving a display panel includes providing a first clock signal having a first frequency and a second clock signal having a second frequency different from the first frequency. The method also includes providing a data signal of an N-th frame image to the display panel using the first clock signal, and providing a data signal of an (N+1)-th frame image to the display panel using the second clock signal. N is a natural number.

Method of driving display panel using a plurality of clock signals and display apparatus for performing the same

A display panel driving apparatus includes a data driving part, a comparing part, a data signal controlling part, and a gate driving part. The data driving part generates a dummy data signal in response to dummy image data, outputs the dummy data signal to a dummy data line of a display panel, generates a data signal in response to image data, and outputs the data signal to a data line of the display panel. The comparing part outputs a comparison signal in response to the dummy data signal and a delayed dummy data signal generated due to a load of the dummy data line. The comparison signal indicates how much the delayed dummy data signal is delayed with respect to the dummy data signal. The data signal controlling part controls the data signal using the comparison signal.

Display panel driving apparatus, method of driving a display panel using the same, and display apparatus having the same

A display apparatus includes a liquid crystal panel including gate lines, data lines, and pixels, a gate driver, a data driver, and a timing controller. The pixels include first and second pixels. The first and second pixels are arranged in pixel rows adjacent to each other, arranged in different pixel columns, connected to the same gate line, display the same color, and receive data voltages having different polarities from each other. The image data include first pixel data displayed in the first pixels and second pixel data displayed in the second pixels. When the first pixel data have a first grayscale value and the second pixel data have a second grayscale value different from the first grayscale value, the timing controller modulates the first and second pixel data to allow the first and second pixel data to have a grayscale value between the first and second grayscale values.

Display apparatus driven in an inversion driving manner and method of processing data thereof

A method of driving a display apparatus includes determining a duration of a blank interval between a first frame and a second frame, wherein the second frame is subsequent to the first frame, and modulating a common voltage during the blank interval when the duration is longer than a first reference time, wherein an average of the common voltage is fixed during the blank interval.

Method of driving a display apparatus, a display apparatus performing the same and a timing controller included in the display apparatus

A display panel driving apparatus includes an over-driving part, where the over-driving part is configured to receive first image data, and to output second image data using first over-driving data and second over-driving data, the first over-driving data is generated according to previous frame data and present frame data for a minimum blank period between the previous frame data and the present frame data of the first image data, the second over-driving data is generated according to the previous frame data and the present frame data for a maximum blank period between the previous frame data and the present frame data of the first image data, and a high display quality of a display apparatus may be achieved.

Display panel driving apparatus and method with over-driving of first and second image data

A display apparatus includes a mode determiner configured to compare image signals of a previous frame and a current frame and to determine an image mode of the current frame, a sync signal generator configured to generate a panel sync signal with a low frequency corresponding to the image mode using an original sync signal with a normal frequency, the low frequency being a non-divisor frequency of the normal frequency and lower than the normal frequency, a data driver configured to drive a data line of a display panel using a data sync signal based on the panel sync signal with the low frequency, and a gate driver configured to drive a gate line of the display panel using a gate sync signal based on the panel sync signal with the low frequency.

Display apparatus and method of driving the same

A tiled display device includes a first display device including a first display panel configured to sense a touch thereon and display an image signal, and a first controller configured to control the first display panel and transmit a reference signal wirelessly, and a second display device including a second display panel configured to sense a touch thereon and display the image signal, and a second controller configured to control the second display panel and transmit a first ACK signal to the first controller after receiving the reference signal, in which the first controller is configured to determine a first latency time of the second display device by using the reference signal and the first ACK signal and synchronize touch information of the first and second display devices according to the first latency time.

Tiled display device and synchronizing method thereof

A method of compensating an image to be display on a display panel is disclosed. In one aspect, the method includes receiving a first input image and adjusting a contrast sensitivity of the first input image. The method also includes calculating a first derivative of luminance of a pixel included in the adjusted image, calculating a second derivative of the luminance of the pixel, and accumulating the first and second derivatives. The method further includes determining a burn-in causing boundary based at least in part on the accumulated first and second derivatives, receiving a second input image, and comparing the burn-in causing boundary to a boundary of the second input image to determine whether to apply burn-in compensation. The method finally includes compensating a portion of the second input image corresponding to the burn-in causing boundary based at least in part on an unsharpening filter.

Method of compensating image to be displayed on display panel

Provided is a pixel including an organic light emitting diode, a driving circuit, and a light receiving circuit. The driving circuit is configured to supply a driving current corresponding to a data signal supplied through a data line during a scan period to the organic light emitting diode during an emission period, and to supply a first sensing current corresponding to threshold voltage/mobility information of a driving transistor or degradation information of the organic light emitting diode to a feedback line during a current sensing period. The light receiving circuit is configured to supply a second sensing current corresponding to luminance of the organic light emitting diode to the feedback line during the emission period.

Pixel and organic light emitting display including the same

According to an embodiment, a display apparatus includes gate lines extending in a first direction, data lines extending in a second direction crossing the first direction, and pixels connected to the gate lines and the data lines. The pixels include pixels arranged in a k-th row and pixels arranged in a (k+1)th row disposed adjacent to the pixels arranged in the k-th row in the second direction. An (i+1)th gate line is disposed between the pixels in the k-th row and the pixels in the (k+1)th row. A first pixel arranged in a g-th column among the pixels arranged in the k-th row and a second pixel arranged in the g-th column among the pixels arranged in the (k+1)th row are connected to a j-th data line. The pixels arranged in the k-th row are alternately connected to an i-th gate line and the (i+1)th gate line.

Display apparatus and method of driving with pixels alternatively connected to adjacent gate lines

A display apparatus includes a display panel comprising a plurality of gate lines and a plurality of data lines, a gate driver circuit configured to generate a plurality of gate signals sequentially applied to the gate lines, and a timing controller configured to generate a reference control signal, the reference control signal adjusting at least one of a pulse-width and a phase of a predetermined gate signal among the gate signals.

Display apparatus and method of driving the display apparatus

Growing community of inventors

Hwaseong-si, South Korea

Dong-Won Park