Samsung Display Co., Ltd.

Lg Electronics Inc.

Yonsei University

Industry-university Cooperation Foundation Hanyang University

Samsung Displayco., Ltd.

Datalogic IP Tech S.r.l.

Solus Advanced Materials Co., Ltd.

Jaehoon Lee

Kyuchun Choi

Bonghyun You

Seokha Hong

Jongjin Woo

Jai-Hyun Koh

Nam-Gon Choi

Moonshik Kang

Namjae Lim

Jong Wook Kim

Jinpil Kim

Kyoungho Lim

Sangwon Kim

Jieun Choi

Jaehyun Kim

Jihyun Lee

Jinwoo Kim

Seulong Kim

Taehyung Kim

Seungho Park

Jaesung Bae

Mun-San Park

Chang Ho Lee

Sungwook Lee

Ji-Sun Kim

Dong-Won Park

Jihwan Yoon

Joosun Yoon

Seokje Seong

Yeong-Keun Kwon

Changhee Lee

Chongchul Chai

Sun Woo Kim

Young-Soo Yoon

Kuk-Hwan Ahn

Sungjae Park

Kyeonghwan Kim

Jung-taek Kim

Jihyun Ka

Jaehoon Hwang

Hyunsup Song

Hajin Song

Daewoo Kim

Dong Seong Kim

Soo-yeon Lee

KyoungHo Lim

Heendol Kim

Jaehoon Jeong

Youngwoon Choi

Taehyeong An

Byoungkwan An

Dongseong Kim

Dongkyun Nam

Jongil Park

Haegoo Jung

Dongwon Park

Seunghwan Moon

Heungkyu Lee

Changhwa Sun

Seungin Shin

Dohyung Ryu

Kyungman Yu

Jaihyun Koh

Byunghyuk Shin

Jaewoo Song

Kyoungsuk Ko

Davide Bruni

Kyoung Ho Lim

Yu-Han Bae

Soo-wan Yoon

Jinho Lee

Kangmin Kim

Jungsu Lee

Youngman Kwon

Koh Choi

Seunghwan Park

Hyungsub Lee

JunYong Song

Seoung-Bum Pyoun

Dawoon Jung

Jeongbong Lee

Jongha Shin

Jeong Bong Lee

Sangmyeon Han

Kunhee Jo

Junghee Kim

Kitae Yoon

Munseong Kang

Moon Shik Kang

Jangseok Ma

Junhee An

Hocheol Park

Minsik Eum

Chang Sin Kim

Sungho Han

Hyojeong Kang

Gyusu Lee

Kevin Duffey

Hojun Son

Wonkyun Kim

Disclosed is a display device, which includes a display panel that displays an image, and a controller that receives image data corresponding to a frame and drives the display panel. The controller divides the image data into a plurality of blocks and determines whether the image is a fixed image based on an inter-frame variation of a block of the plurality of blocks. The controller changes an afterimage prevention operation mode when the number of blocks displaying the fixed image for a period equal to or greater than a first reference value among the plurality of blocks is equal to or greater than a second reference value.

Display device and method of driving display device

A display device is disclosed that includes a display panel which includes a pixel, a driving controller which receives an input image signal and outputs an output image signal, and a data driving circuit which provides a data signal corresponding to the output image signal to the pixel. The pixel includes a light emitting device and a first transistor electrically connected to the light emitting device. The driving controller includes an initial threshold voltage map that stores an initial threshold voltage of the first transistor, a delta threshold voltage calculator that calculates a delta threshold voltage of the first transistor over an operating time based on the initial threshold voltage, a weight calculator that calculates a weight based on the initial threshold voltage and the delta threshold voltage, and a compensator that receives the input image signal and outputs an output image signal obtained by compensating for a threshold voltage of the first transistor based on the weight.

Display device, operating method of display device and pixel characteristic detection method

A display device includes a display panel including a plurality of pixels, a sensing circuit to measure a sensing current value of each of the pixels during a frame period, wherein the frame period includes an active period and a blank period following the active period, and a driving controller to calculate a deterioration weight based on the sensing current value and a reference current value, and to generate output image data by applying the deterioration weight to input image data.

Display device and method of driving the same

A display apparatus includes pixels, each of the pixels including a light-emitting diode, a first transistor connected to a driving voltage line and the light-emitting diode, a second transistor connected to the first transistor and the light-emitting diode, a third transistor connected to the second transistor and a first initialization voltage line, and a fourth transistor connected to the light-emitting diode and a second initialization voltage line. During a frame, each of the pixels operates in a first scan period and a second scan period. The first scan period includes a write-period in which a data signal is supplied and a first emission period in which the pixel is configured to emit light at a brightness corresponding to the data signal.

Display apparatus and method of driving pixel

Provided are a pixel configured to receive a first initialization voltage during a first period between a writing period of a first scan period and a first emission period of a frame and to receive a second initialization voltage different from the first initialization voltage from a start time point of a second period before a second emission period of a second scan period subsequent to the first scan period, a display apparatus including the pixel, and a driving method of the display apparatus.

Display apparatus and driving method of pixel

The present disclosure relates to an image sensor and a camera and an electronic apparatus including the same. An image sensor according to one embodiment of the present disclosure comprises a first light amount detection pixel to detect a first light amount of a first area, a first sensor pixel to output pixel data by converting light of the first area into an electric signal, a second light amount detection pixel to detect a second light amount of a second area, and a second sensor pixel to output pixel data by converting light of the second area into an electric signal, wherein a dynamic range of the first sensor pixel is different from a dynamic range of the second sensor pixel. Accordingly, a high dynamic range may be implemented within one frame.

Image sensor, camera apparatus including same and electronic apparatus including the same

A display device determines a target temperature based on an average luminance of each of the panel blocks, calculates a temperature change amount of each of the panel blocks by multiplying a difference between the target temperature and a previous prediction temperature of each of the panel blocks determined before a reference period by a block temperature coefficient of the panel blocks, and calculates a current prediction temperature of each of the panel blocks by adding the temperature change amount of each of the panel blocks to the previous prediction temperature of each of the panel blocks, the panel blocks include a first panel block and second panel blocks adjacent to the first panel block, and the block temperature coefficient of the first panel block is determined based on the target temperature of the first panel block and the target temperature of each of the second panel blocks.

Display device

In a water purifier or other liquid dispenser, a sensor configured to transmit and receive a distance measuring signal is installed in a water discharge module moving vertically or disposed at the front of a main body, to sense a height of the inlet of a container accurately without a no-response duration of the sensor. Additionally, in the water purifier, the water discharge module discharges purified water at a point spaced a certain distance apart from the inlet of the container, to prevent the inlet of the container from contacting the lower surface of the water discharge module.

Liquid dispenser

A display device including a display panel to display an image, a panel driver to drive the display panel, and a controller to control a driving of the panel driver. The controller includes a first circuit to receive frame data during an active period in synchronization with a vertical synchronization signal determining a start time point of a frame having the active period and a variable blank period, to shift a position of the frame data in response to a shift start signal to generate shift data, and to provide the shift data to the panel driver. A number of active periods of the vertical synchronization signal included in one period of the shift start signal differs from the number of active periods of the vertical synchronization signal included in another period of the shift start signal.

A display apparatus includes a display panel, a driving controller and a data driver. The display panel includes a pixel. The driving controller generates an age compensation value using a sensed age generated based on sensing data of the pixel and an accumulated age generated based on accumulated grayscale values of input image data, generates a final age based on the age compensation value, and compensates a grayscale value of the input image data based on a final age to generate a data signal. The data driver converts the data signal to a data voltage and outputs the data voltage to the display panel.

Display apparatus and method of compensating image of display panel using the same

A water purifier or other liquid dispenser may sense a height of the inlet of a container accurately through an infrared transmitter and an infrared receiver that are disposed at different positions of a water discharge module moving vertically. Additionally, in the water purifier, the water discharge module may discharge purified water at a point spaced a certain distance apart from the inlet of the container, based on infrared sensing, thereby preventing the inlet of the container from contacting the lower surface of the water discharge module.

A pixel includes: a first transistor including a gate coupled to a first node, a first terminal, and a second terminal coupled to a second node; a first capacitor coupled between the first and second nodes; a second transistor including a gate receiving a first signal, a first terminal coupled to a data line, and a second terminal coupled to the first node; a third transistor including a gate receiving a second signal, a first terminal receiving a reference voltage, and a second terminal coupled to the first node; a fourth transistor including a gate receiving a third signal, a first terminal coupled to the second node, and a second terminal receiving an initialization voltage; a light emitting element including an anode; and a fifth transistor including a gate receiving a fourth signal, a first terminal coupled to the second node, and a second terminal coupled to the anode.

Pixel of a display device, and display device

The present disclosure provides a moving robot including a body which forms an appearance, a traveler which moves the body with respect to a traveling surface in a traveling area, a sensing unit which acquires environment information of the traveling area, and a controller which sets a parameter tailored to the traveling area according to the environment information and performs pattern traveling of the traveling area. Accordingly, even when information on an environment in which the moving robot is installed is not obtained from a manufacture in advance, the moving robot can directly obtain information on the corresponding environment and set an optimum parameter according to the environment to increase efficiency.

Moving robot and moving robot system

A moving robot includes: a boundary signal detector configured to detect a proximity boundary signal generated in a proximity boundary area in which a portion of a first travel area and a portion of a second travel area are proximal to each other; and a controller configured to define a proximity boundary line based on the proximity boundary signal, and control the travelling unit such that the body performs a homing travel which indicates travelling along the proximity boundary line. The moving robot may be included in a system that includes boundary wires to define the first and second travel areas. The system may further include a docking unit to dock with and charge the moving robot.

Growing community of inventors

Seoul, South Korea

Jaehoon Lee