Samsung Display Co., Ltd.

Samsung Electronics Co., Ltd.

Innovation Counsel Llp

Jae-won Jeong

Yong-Jun Choi

Bong-Im Park

Bong-Ju Jun

Kang-Hyun Kim

Yun-Jae Kim

Kwan-Young Oh

Po-Yun Park

Woo-jin Jung

Woo-Chul Kim

Nam-Gon Choi

Kyung-Uk Choi

Jung Hwan Cho

Byung-Kil Jeon

Jin-Soo Kim

Hoi-Sik Moon

Jae Wan Park

Seung Hwan Moon

Ji-Woong Jeong

Mee-Hye Jung

Bong-Hyun You

Sangho Park

Jin-Soo Jung

Bum Sung Lee

Dongin Kim

Sang-Ho Park

Yong-Hwan Shin

Jai-Hyun Koh

Young-Su Kim

Jung-Hwan Cho

Hoi Sik Moon

Jin Soo Kim

Jae-Sung Bae

Jae-Wan Park

Woo-Young Lee

Dong-Beom Cho

Jong-Hyon Park

Duc-Han Cho

Su-Bin Park

Gyeong-Ub Moon

Ga-Na Kim

Myeong-Su Kim

Min Joo Lee

Bongim Park

Joo Seok Yeom

Jae-Suk Choi

Hyun Seok Hong

Young-Su Han

Youn-Jin Jung

Seung-Ho Baek

Si-Beak Pyo

Dong-Gyun Ra

Myeongsu Kim

Kyoung-Tae Kim

Jee-Hoon Jeon

Yeon-Sun Na

Jong-Kwang Hwang

Young-Suk Ha

ByungKil Jeon

Youn Jin Jung

Kwan-young Oh

Sangyoung Lee

Jinhyun Ko

Changgil Oh

Hyelim Kim

Myeong Su Kim

A display apparatus includes: a display panel including: a normal part and a notch part; a display area at the normal part and the notch part, the display area comprising a first display area within the normal part, a second display area overlapping the normal part and the notch part, and a third display area within the notch part, each of the normal part and the notch part comprising a plurality of pixels; and a compensation circuit configured to: receive first, second, and third input signals having image information respectively displayed through the first, second, and third display areas; and compensate for a grayscale value of the first, second, and third input signals, wherein the compensation circuit is configured to compensate for the first and third input signals based on pixel characteristic data and compensate for the second input signal based on seed data different from the pixel characteristic data.

Display apparatus and method of compensating for data thereof

A method of driving a display panel includes compensating first pixel data corresponding to a first pixel of a plurality of pixels in the display panel based on at least one of a first decision, a second decision, or a third decision and generating a first data voltage corresponding to the compensated first pixel data. The first data voltage is applied to the first pixel through a data line. The first decision includes determining, based on a position of the first pixel, whether compensation for the first pixel data is required. The second decision includes determining, based on previous subpixel data and present subpixel data for the first pixel, whether the compensation for the first pixel data is required. The third decision includes determining whether the first pixel data complies with a compensation avoidance condition.

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

A command input method includes: converting an original pixel data into command embedded pixel data based on a command to control a device, the command being embedded in the command embedded pixel data; transmitting the command embedded pixel data from a host to the device; extracting the command from the command embedded pixel data; and controlling the device according to the extracted command.

Command input method and display system

An exemplary embodiment of the present invention discloses a voltage generation circuit of a display apparatus, including at least one resistor, a memory configured to store a resistance value set signal, a controller changing a resistance value of the resistor referring to the resistance value set stored in the memory, and a voltage generator connected to one end of the resistor and is configured to receive an input current corresponding to the resistance value of the resistor and generate a gate-on voltage corresponding to the input current.

Voltage generation integrated circuit and display apparatus having the same

The present invention provides a display device with reduced power consumption and that reduces changes in luminance, and perceptibility of flicker, and a driving method thereof. A display device according to an exemplary embodiment comprises: a display panel configured to display a still image and a motion picture; a signal controller configured to control signals for driving the display panel; and a graphics processing unit configured to transmit input image data to the signal controller, wherein the signal controller comprises a frame memory configured to store the input image data, and the display panel is driven at a first frequency when the motion picture is displayed and the display panel is driven at a second frequency that is lower than the first frequency when the still image is displayed.

Display device and driving method thereof

A display device is provided including a timing controller configured to output a test image signal, a data driver configured to output a plurality of data voltages corresponding to the test image signal; and a display panel configured to display a test image corresponding to the data voltages, wherein the timing controller includes a first processor configured to output the test image signal in response to a test signal, and a second processor configured to receive luminance information of the test image, correct a predetermined reference gamma voltage corresponding to the test image with reference to the received luminance information, and output the test signal, which corresponds to the reference gamma voltage, to the first processor.

Display device and operation method thereof and image display system

A display device including a display panel, including a plurality of pixels, a driver circuit configured to display an image on the display panel in response to an image signal and a control signal, and a voltage generator configured to generate an analog driving voltage for an operation of the driver circuit in response to a voltage control signal. The driver circuit is configured to compare the image signal to ripple image patterns and is configured to output the voltage control signal to change a voltage level of the analog driving voltage, according to the result of the comparison.

Display device including driving circuit to prevent vibration noise

A display apparatus includes a display panel, a data driving part, and a timing control part. The display panel includes gate lines extending in a first direction, data lines extending in a second direction crossing the first direction, and first and second pixel groups. The first and second pixel groups are disposed at opposing sides of a data line and are alternately connected to the data line. The data driving part includes channels connected to the data lines. The channels output a data signal to the data lines, the data signal has a first polarity or a second polarity, and the second polarity has an inversed phase to the first polarity. The timing control part outputs a data inverse control signal and first and second polarity control signal, which control the polarity of the data signal based on the data inverse control signal.

Method of driving display panel using polarity inversion and display apparatus for performing the same

Provided are an image signal compensation apparatus and a liquid crystal display (LCD) including the same. The image signal compensation apparatus includes a lookup table (LUT) and an image signal compensation unit. The LUT includes reference data that corresponds to each combination of first and second reference gray levels and is arranged in a matrix. The image signal compensation unit receives first and second image signals, receives reference data corresponding to the first and second image signals from the LUT, and compensates the second image signal using the reference data. The reference data includes diagonal reference data located on a diagonal line in the matrix, and at least one diagonal reference data from among the diagonal reference data has a different value from a corresponding combination of the first and second reference gray levels.

Image signal compensation apparatus and liquid crystal display including the same

A display device capable of reducing power consumption and preventing luminance changes, and a driving method thereof are provided. The display device includes: a display panel displaying a still image and a motion picture; a signal controller controlling signals for driving the display panel; a graphic processing unit transmitting input image data to the signal controller; a light source unit irradiating the display panel with light; and a light source driver controlling signals for driving the light source unit, in which the signal controller includes a frame memory storing the input image data and controls the display panel so as to be driven at a first frequency or a second frequency, and the light source driver drives the light source unit at a first ratio when the display panel is driven at the first frequency and at a second ratio when the display panel is driven at the second frequency.

A display panel apparatus includes a display panel and a timing controller, and a data driver. The display panel includes a first subpixel and a second subpixel. The timing controller is configured to receive a first subpixel data for the first subpixel and a second subpixel data for the second subpixel. When the second subpixel is determined to be defective, the timing controller generates a compensated grayscale of the second subpixel data. The data driver is configured to apply a precharge voltage to the second subpixel and a charging voltage to second subpixel through a data line, wherein the precharge voltage is based on a grayscale of the first subpixel data and the charging voltage is based on the compensated grayscale of the second subpixel data.

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

A display device includes a display panel including a plurality of pixels, a data driver which transmits data voltages to the plurality of pixels, and a signal controller which receives an input image signal and an input control signal to control the data driver, where the signal controller calculates a ratio of a first type of pattern in a image based on the input image signal, generates a polarity signal based on the ratio of the first type of pattern, and transmits the polarity signal to the data driver.

A method for generating data for driving a display panel is provided in which first compensation data of (N+k) bits, corresponding to grayscale data of N bits, is generated, wherein values of N and k are natural numbers. A first gamma curve is applied to the first compensation data of (N+k) bits. Second compensation data of (N+k) bits, corresponding to the grayscale data of N bits, is generated. A second gamma curve is applied to the second compensation data of (N+k) bits. The first compensation data or the second compensation data are selectively output and converted into analog data signals. The analog data signals are output to a data line. Accordingly, the first compensation data and second compensation data includes a multidomain structure which improves display quality. A data driving circuit and a display device including the data driving circuit for performing the method are also provided.

Method for generating data for driving a display panel, data driving circuit for performing the same and display device having the data driving circuit

A liquid crystal display includes an image signal modifier for generating a modified signal based on a first image signal of a first frame, a second image signal of a second frame, and a lookup table. A data driver converts the modified signal into a data voltage which is supplied to a pixel of the display. The lookup table stores a plurality of reference modified signals for a plurality of reference first image signals and a plurality of reference second image signals. The lookup table includes a first lookup table having a gray gap of the reference first image signals and a gray gap of the reference second image signals of x, and a second lookup table having a gray gap of the reference first image signals and a gray gap of the reference second image signals of y, where y is greater than x.

Liquid crystal display having increased response speed, and device and method for modifying image signal to provide increased response speed

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Seoul, South Korea

Jae-won Jeong