Samsung Display Co., Ltd.

Samsung Sdi Co., Inc.

Samsung Mobile Display Co., Ltd.

Do-Hyung Ryu

Hae-Goo Jung

Jae-Hoon Lee

Keum-Nam Kim

Do-Ik Kim

Chun-Seok Ko

Jae-Woo Song

Sang-Soo Kim

Sang-Moo Choi

Dong-Yong Shin

Choon-Yul Oh

Tae-Seok Jang

Won-Kyu Kwak

Baek-Woon Lee

Sun Young Park

Bo-Yong Chung

Jin-Woo Kim

Yong-Sung Park

Jae-Sung Lee

Woo-Chul Kim

Seung-Ho Park

Kie Hyun Nam

Kuen-Dong Ha

Byeong-Doo Kang

Byung-Hyuk Shin

Jong-Man Bae

Jin-Hyun Choi

Do-ik Kim

Sun-A Yang

A driver for a display panel includes a driving time accumulator, a ditherer, and a data signal generator. The driving time accumulator determines an accumulated driving time of the display panel. The ditherer determines an amount of dither based at least in part on the accumulated driving time, and performs a dithering operation on input image data with the determined amount of dither. The data signal generator generates a data signal for the display panel based at least in part on the input image data on which the dithering operation is to be performed.

Driving unit, display device and method of driving a display panel

There is provided an organic light emitting display that includes a plurality of pixels are arranged in a plurality of rows and columns Each of the pixels includes a plurality of sub pixels. At least one sub pixel of the plurality of sub pixels of at least one pixel is divided into a plurality of divisional sub pixels. Since the divisional sub pixels alternately emit light, it is possible to reduce deterioration speed of the sub pixels, thereby preventing an afterimage from being generated by deterioration of the sub pixels.

Organic light emitting display

A display panel includes input power supply line coupled to a power supply at one or more edge portions of the display panel, and an output power supply line coupled to the input power supply line at a predetermined portion of the display panel. The input power supply line receives the power supply voltage, and the output power supply line receives the power supply voltage from the input power supply line. The power supply is coupled to the output power supply line at the one or more edge portions of the display panel, and receives the power supply voltage from the output power supply line to adjust a voltage level of the power supply voltage based on the power supply voltage from the output power supply line. The predetermined portion is at a location different from an edge of the display panel.

Display device compensating variation of power supply voltage

A flat panel display device includes: a first display unit, a second display unit, and a third display unit. The first display unit comprises a (1-1)-th surface facing a (1-2)-th surface, and is configured to display an image on the (1-1)-th surface and enable external light to transmit from the (1-2)-th surface to the (1-1)-th surface. The second display unit comprises a (2-1)-th surface facing a (2-2)-th surface, and is configured to display an image on the (2-1)-th surface and enable external light to transmit from the (2-2)-th surface to the (2-1)-th surface. The third display unit comprises a (3-1)-th surface facing a (3-2)-th surface, and is configured to display an image on the (3-1)-th surface. The third display unit is disposed between the first display unit and the second display unit.

Flat panel display device and method to control the same

A display panel module, organic light-emitting diode (OLED) display and method of driving the same are disclosed. In one aspect, the module includes a display panel divided into a first portion and a second portion and a plurality of scan and data lines divided into groups arranged in the first and second potions. The module further includes a first scan driver configured to sequentially apply scan signals to each of the first and second scan line groups. The first scan driver is further configured to substantially simultaneously apply the scan signals to corresponding scan lines of the first and second scan line groups. The module also includes a first data driver configured to output first data voltages to the first data line group and a second data driver configured to output second data voltages to the second data line group with the same timing as the first data driver.

Display panel module, organic light-emitting diode (OLED) display and method of driving the same

An organic light emitting diode display device includes a display unit including a plurality of pixels; a data driver applying data voltage to the pixels; and a power supplier including a first power source providing high-level voltage to the anode electrode of organic light emitting diodes and a second power source providing low-level voltage to the cathode electrode of the organic light emitting diodes included in the pixels, in which the power supplier provides the second power source in a sink method at positive voltage, when the threshold voltage of a driving transistor for driving the organic light emitting diodes shifts to a negative. When gate-source voltage of a driving transistor shifts to negative threshold voltage, it is possible to apply the data voltage at positive voltage and to simplify a driving IC, thereby ensuring wide use, by applying voltage of a second power source ELVSS at positive voltage.

Organic light emitting diode display device and driving method thereof

A method of displaying a stereoscopic image and a display device are disclosed. In one aspect, the method includes sequentially writing black data to a portion of the pixel rows during a portion of a first frame period and sequentially writing left eye image data to the pixel rows during the remaining portion of the first frame period and during a second frame period. The method also includes driving the pixel rows to simultaneously emit light during a first emission period, sequentially writing the black data to the portion of the pixel rows during a portion of a third frame period, and sequentially writing right eye image data to the pixel rows during the remaining portion of the third frame period and during a fourth frame period. The method further includes driving the pixel rows to simultaneously emit light during a second emission period corresponding to the fourth frame period.

Method of displaying a stereoscopic image and display device

An image display device includes a plurality of pixels, a pixel detection unit configured to detect first pixels having same R, G, and B gray scale values for a predetermined time among the plurality of pixels, a gray scale value calculation unit configured to calculate average gray scale values of the first pixels and average gray scale values of corresponding R, G and B of second pixels in a predetermined area around the first pixels, a data correction unit configured to correct the R, G and B gray scale values of the first pixels, using the calculated average gray scale values of the first and second pixels, and a data driver configured to correct the image data with the corrected R, G and B gray scale values of the first pixels, and to supply the corrected image data to each pixel of the plurality of pixels.

Image display device and driving method thereof

A display device includes a display panel and a flexible printed circuit (FPC) connected to the display panel. The FPC includes a first region and a second region, the second region having greater flexibility than the first region.

Display device

A manufacturing method of an organic light emitting diode (OLED) display includes: supplying a circuit film on the pad area of the display panel and bonding a first end portion of the circuit film to the pad area; vertically standing and inserting the display panel in a bonding device; holding a portion of the circuit film including a second end portion to be horizontal by using a rotating device including a vacuum absorbing portion; supplying a printed circuit board (PCB) into a space under the second end portion of the circuit film, and attaching the printed circuit board to the second end portion of the circuit film; and operating the rotating device to move the second end portion to a vertical position, and separating the circuit film from the vacuum absorbing portion.

Organic light emitting diode display, manufacturing method thereof, and rotating device for circuit film

A display device includes a first substrate including a display area and a non-display area, the display area including a pixel including a first electrode, a light emission layer, and a second electrode; a sealing member facing the first substrate; and a first conducting member in the display area, the first conducting member being coupled to the first electrode, where the sealing member includes: a first conductive layer coupled to the first conducting member; an insulating layer on the first conductive layer; and a second conductive layer on the insulating layer, the second conductive layer being coupled to the second electrode.

An organic light emitting display capable of preventing data collision to improve picture quality. The organic light emitting display includes pixels positioned at crossings between scan lines and data lines, a scan driver for driving the scan lines, a data driver for driving the data lines, a timing controller for controlling the scan driver and the data driver, and an input controller for receiving data and an input clock, and for controlling a point in time where the data is supplied to the timing controller in response to at least one clock signal supplied from the timing controller.

Organic light emitting display and method of driving the same

An organic light emitting display that can stably extract information from pixels. A driving method of the organic light emitting display includes: generating first digital values by sensing deterioration information of organic light emitting diodes respectively included in a plurality of pixels coupled to a data line during two or more continuous frame periods; storing the first digital values in a memory; generating second digital values by sensing threshold voltage and mobility information of driving transistors respectively included in the pixels during two or more continuous frame periods; storing the second digital values in the memory; converting input data into calibration data according to the information stored in the memory to display an image having a uniform brightness, irrespective of the deterioration information of the organic light emitting diodes and the threshold voltage and mobility information of the driving transistors; and supplying a data signal in accordance with the calibration data to the data line.

Organic light emitting display with pixel sensing circuit and driving method thereof

A manufacturing method of an organic light emitting diode (OLED) display includes: supplying a circuit film on the pad area of the display panel and bonding a first end portion of the circuit film to the pad area; vertically standing and inserting the display panel in a bonding device; holding a portion of the circuit film including a second end portion to be horizontal by using a rotating device including a vacuum absorbing portion; supplying a flexible printed circuit (FPC) into a space under the second end portion of the circuit film, and attaching the flexible printed circuit to the second end portion of the circuit film; and operating the rotating device to move the second end portion to a vertical position, and separating the circuit film from the vacuum absorbing portion.

Growing community of inventors

Yongin, South Korea

Do-Hyung Ryu