Samsung Display Co., Ltd.

Samsung Electronics Co., Ltd.

Donggyu Lee

Jin-wook Yang

Jae-hyeon Jeon

Sehyuk Park

Jae-Hyeon Jeon

Jin-Wook Yang

Yu-chol Kim

Kyunghoon Kim

Youngha Sohn

Hongsoo Kim

Geunjeong Park

Hyeongjoon Seo

Sunggoo Kim

Jihye Kim

Jaekeun Lim

Nam-Gon Choi

Jakyoung Jin

Jaehyoung Sim

Eomji Jang

Changmin Seok

Joon-Chul Goh

Jung-Won Kim

Bonghyun You

Dong-Won Park

Sungjune Cho

Yongjun Jang

Seonghyun Yoon

Mingi Cho

Seojeong Kim

Seungkwan Choi

Dongwon Kim

Byungsun Kim

Wontae Kim

Keun Hwi Cho

Seokha Hong

Hojin Lee

Juyoung Kim

Junggun You

Jaesung Bae

Cheolwoo Park

Ji-Woong Jeong

Beomjin Park

Yunki Baek

Seunghwan Park

Taehyeong An

Young-Soo Hwang

Jaewoong Kang

Yu-Chol Kim

Kyungyoul Min

JunYong Song

Ah Reum Kim

Kyungman Kim

Gigeun Kim

Sughyun Sung

Joonho Yoon

Seonuk Na

Dohaeng Kim

Dongsuk Kim

Myoung-Sun Lee

Gyeongryeol Chae

Yongjin Yoon

Gunok Jung

Jewoo Bang

Jeong-young Kim

Taesung Choi

Dongsik Jin

Heesun Ahn

Byunghan Lim

Hanbyul Choi

Jiyong Ha

Youngdon Jeong

Ukrae Cho

Kyoungrock Kim

SeokYoung Yoon

A display apparatus includes a display panel, a data driver, a power saving mode determiner, a power voltage control signal generator and a power voltage generator. The data driver is configured to output a data voltage to the display panel. The power saving mode determiner is configured to determine a driving mode selected from a power saving mode and a normal mode based on a risky display quality condition. The power voltage control signal generator is configured to generate a power voltage control signal determining a level of a power voltage based on the driving mode. The power voltage generator is configured to generate the power voltage based on the power voltage control signal and to output the power voltage to at least one of the display panel and the data driver.

Display apparatus and method of driving the same

A display device includes a display panel which includes first to npixel areas arranged in a direction, where n is a natural number greater than or equal to 2, an emission control driver which provides an emission control signal having a plurality of emission cycles corresponding to a number of outputs of a gate-on voltage during a frame period to the first to npixel areas, a power supply which generates first to nbias voltages respectively provided to the first to npixel areas, and a timing controller which controls timings when the first to nbias voltages are supplied to the first to npixel areas in a way such that a kbias voltage is provided with a delay of one emission cycle from a (k−1)bias voltage, where k is a natural number greater than or equal 2 and less than or equal n.

Display device and driver

A display device includes a display panel that includes a plurality of pixels and displays an image corresponding to each of a plurality of frames, and a drive controller that receives an image signal and drives the plurality of frames at a plurality of driving frequencies. The drive controller includes a representative frequency calculator, a compensation signal calculator, and a data compensation unit that receives an image signal and outputs a compensation data signal by adding a gray of the image signal and a gray value based on a data correction lookup table in which the gray value is stored. Luminance of the image is controlled based on the compensation signal and the compensation data signal.

Display device, drive controller, and display device driving method

An integrated air conditioning system includes a ventilation device comprising a first temperature sensor, a first humidity sensor, and a heat exchanger installed on the inlet flow path. An indoor unit configured to discharge heat-exchanged air into an indoor space. An outdoor unit configured to supply a refrigerant to the ventilation device and the indoor unit. A controller connected to the ventilation device, the indoor unit, and the outdoor unit. The controller configured to obtain an indoor temperature from the first temperature or the second temperature sensor. The controller configured to obtain indoor humidity from the first humidity sensor or the second humidity sensor and configured to control at least one of the ventilation device and the indoor unit based on the indoor temperature and the indoor humidity.

Ventilation system, integrated air conditioning system and control method thereof

A display system includes a host processor configured to provide frame data using a scan order, and a display device including a display panel including pixels and a display panel driver configured to refresh the pixels according using the frame data and to provide the scan order to the host processor.

Display system providing frame data according to a received scan order and method of driving the same

An integrated air conditioning system includes an outdoor unit, an indoor unit, and a ventilation device. The ventilation device includes a housing including an inlet flow path, and an outlet flow path, a total heat exchanger in which air flowing through the inlet flow path and air flowing through the outlet flow path exchange heat with each other, a first heat exchanger disposed on the inlet flow path to receive a refrigerant from the outdoor unit, a second heat exchanger disposed upstream of the first heat exchanger on the inlet flow path and connected to the first heat exchanger to be supplied with refrigerant discharged from the first heat exchanger, a first expansion device to expand the refrigerant supplied to the first heat exchanger from the outdoor unit, and a second expansion device to expand the refrigerant discharged from the first heat exchanger and supplied to the second heat exchanger.

Ventilation device and integrated air conditioning system having the same

A ventilation apparatus includes: a housing including a first inlet through which outside air is sucked, a second inlet through which room air is sucked, a first outlet through which air is supplied to an indoor space, and a second outlet through which air is discharged to an outdoor space; an outside temperature sensor configured to measure a first temperature of the outside air; a room temperature sensor configured to measure a second temperature of the room air; a total heat exchanger configured to perform heat exchange between the outside air and the room air; a first blower communicating with the first outlet; a second blower communicating with the second outlet; and a processor to perform a drying operation for the total heat exchanger by operating at least one of the first blower or the second blower, based on a difference value between the first temperature and the second temperature.

Ventilation apparatus and control method thereof

A display device including: a display panel including a pixel; and a panel driver configured to provide a reference voltage and a data voltage to the pixel, wherein the pixel emits light with a luminance corresponding to a difference between the reference voltage and the data voltage, and when the reference voltage changes, and a range of the data voltage is shifted by a voltage level that corresponds to the amount of change in the reference voltage.

Display device

A display device includes: a display panel which displays an image corresponding to each of a plurality of frames, and a source driver which drives the display panel. The plurality of frames includes a first frame operating at a first operating frequency, and a second frame operating at a frequency higher than the first operating frequency. The first frame includes a write cycle section, a hold cycle section, and a blank section including a standby section. The source driver operates in a normal driving mode during the write cycle section and the hold cycle section, and operates in a low-power driving mode during the standby section.

Source driver and display device including the same

A display device includes a light emitting element, a first transistor, and a second transistor connected between the first transistor and the light emitting element and including a gate electrode which receives an emission signal. One frame includes a first period a second period continuous with the first period. An emission off period of the emission signal has a first time duration during the first period, and the emission off period of the emission signal has a second time duration different from the first time duration during the second period.

A display apparatus includes a display panel, a driving controller, a gate driver, an emission driver and a data driver. The display panel includes a pixel including a driving switching element and a light emitting element. The driving controller is configured to determine a driving frequency varied according to input image data or a driving mode. The gate driver is configured to output a gate signal and a bias control signal to the pixel. The emission driver is configured to output an emission signal to the pixel. The data driver is configured to output a data voltage to the pixel. The bias control signal to apply a bias voltage to the driving switching element has a first width in a writing frame and a second width different from the first width in a holding frame.

A pixel connected to a first scan line includes a light-emitting element including an anode and a cathode, a first transistor including a first electrode, a second electrode, and a gate electrode connected to a first node, a first capacitor connected between the first node and a second node, a second transistor connected between the second electrode of the first transistor and the first node including a gate electrode connected to the first scan line, a third transistor including a first electrode, a second electrode connected to the second node, and a gate electrode connected to the first scan line, and a fourth transistor including a first electrode connected to a first driving voltage line, a second electrode connected to the first electrode of the first transistor, and a gate electrode connected to the first scan line.

Pixel and display device capable of operating at high operating frequency

A display device includes a display panel including a pixel which receives a luminance control voltage, a driving controller which receives an input image signal and a control signal and provides an output image signal to the display panel, and a voltage generator which generates the luminance control voltage in response to a voltage control signal from the driving controller. The driving controller determines a current operating frequency based on the control signal, and outputs the voltage control signal based on a difference value between the current operating frequency and a previous operating frequency and an operating time of the previous operating frequency when the current operating frequency is different from the previous operating frequency, where the luminance control voltage is changed from a first voltage level to a second voltage level based on the voltage control signal.

Display device and driving method thereof

A display device includes a display panel including a pixel and a driving controller to drive the display panel. The driving controller generates a compensating signal, when a first driving frequency of a first frame is determined as being higher than a second driving frequency of a second frame by comparing a first cycle count value of the first frame with a second cycle count value of the second frame subsequent to the first frame.

Driving controller and display device including the same

A pixel includes: a light-emitting element including an anode and a cathode, a first transistor including a first and a second electrode and a gate electrode connected with a first node, a third transistor connected between the second electrode of the first transistor and the first node and including a gate electrode connected with a first scan line, a sixth transistor connected between the second electrode of the first transistor and the anode and including a gate electrode connected with a first emission line, and a seventh transistor connected between the anode and an initialization voltage line and including a gate electrode connected with a second scan line. During an initialization period, the third, sixth, and seventh transistors are turned on such that an initialization voltage from the initialization voltage line is transferred to the gate electrode of the first transistor.

Pixel, display device including pixel, and pixel driving method

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Suwon-si, South Korea

Donggyu Lee