Samsung Display Co., Ltd.

Bon Seog Gu

Jae Keun Lim

Jin Young Roh

Hae Kwan Seo

Jong Soo Kim

Myung Ho Lee

Se Hyuk Park

Hong Soo Kim

Woo Mi Bae

Myoung Seop Song

Byung Sun Kim

Chong Chul Chai

Joo Sun Yoon

Ki Wan Ahn

Jae Hyun Cho

A source driver includes a digital-to-analog converter that converts signals corresponding to first and second colors included in digital image data into first and second analog color data voltages, respectively, an output buffer unit including a first output buffer that alternately outputs the first color data voltage and the second color data voltage during one horizontal period, and a controller that controls the digital-to-analog converter and the first output buffer to alternately output the first color data voltage and the second color data voltage corresponding to each horizontal period for each horizontal period. The controller controls the first output buffer such that the second color data voltage is output after the first color data voltage is first output during a first horizontal period, and the first color data voltage is output after the second color data voltage is first output during a subsequent second horizontal period.

Source driver, display device or electronic device including source driver, and method of driving the same

A display device is disclosed that includes a pixel component configured to output an image based on a first driving frequency, a scan driver configured to sequentially provide a scan signal to each pixel row in each frame based on the first driving frequency, and a driving controller configured control the scan driver such that, in the case where image data includes data corresponding to a static image, a display area is divided into a first area for the static image, and a second area for a video, and the first area is driven at a second driving frequency, and the second area is driven at a third driving frequency. The driving controller may control the scan driver such that a driving frequency corresponding to the first area is reduced to the second driving frequency, and a driving frequency corresponding to the second area is increased to the third driving frequency.

Display device, driving controller, and method of driving display device

An image controller includes: a first semiconductor circuit configured to generate a third compensation data obtained by applying a first image compensation to an input image data; a second semiconductor circuit configured to generate a first compensation data obtained by applying a second image compensation different from the first image compensation to the input image data; and a sensing unit configured to generate a temperature sensing data by measuring a temperature of the second semiconductor circuit. The first semiconductor circuit determines whether an operation of the second semiconductor circuit is to be off based on the temperature sensing data.

Image controller and semiconductor package

A display device includes a silicon substrate; a semiconductor layer provided on the silicon substrate and including a pixel circuit; an image sensor provided on the silicon substrate and activated based on an imaging instruction; light emitting elements disposed on the semiconductor layer and electrically connected to the pixel circuit; and a display driver electrically connected to the pixel circuit to control the pixel circuit and to control image luminance of an imaging frame in which the image sensor is activated.

Display device and electronic device including the same

A display device includes a first pixel coupled to a first scan line and a data line, and including a first light emitting diode having a cathode coupled to a first power line, and a second pixel coupled to a second scan line and the data line, and including a second light emitting diode having a cathode coupled to a second power line. The first scan line and the second scan line are different from each other. The first power line and the second power line are different from each other. Emission start times and emission end times of the first pixel and the second pixel are synchronized.

Display device using a simultaneous light emitting method and driving method thereof

A display device includes a display panel including pixels; a panel driver to supply a scan signal and a data signal to the pixels; and a power supply to generate a first supply voltage and a second supply voltage, and to change the first supply voltage and/or the second supply voltage to provide it to the pixels. The pixels emit light in response to the scan signal based on the data signal during an emission period where a voltage difference between the first supply voltage and the second supply voltage is larger than a first reference voltage. A first voltage difference between the first supply voltage and the second supply voltage at a start of the emission period is larger than an average voltage difference between the first supply voltage and the second supply voltage throughout the emission period.

Display device having variable power sources

A display device includes a plurality of front emission pixels each including a display panel including a plurality of front emission pixels each including a switching element, and a rear emission pixel, a sensor configured to sense whether the front emission pixels are degraded and to generate degradation information, and a controller configured to compensate for a degraded light source of a degraded front emission pixel of the front emission pixels according to the degradation information, and to control an ON/OFF state of the switching element of the degraded front emission pixel according to the degradation information.

Display device and method of driving the same

A display device includes a first pixel including a first light emitter, a second pixel including a second light emitter, and a holding capacitor connected to the first and second pixels. The holding capacitor stores first data for the first light emitter and stores second data for the second light emitter at different times. An irradiation direction of first light emitted by the first OLED is substantially equal to an irradiation direction of second light emitted by the second OLED. The first light from the first OLED is emitted in a first frame period and the second light from the second OLED is emitted in a second frame period to prevent mixing of the first and second light.

Pixel, organic light emitting display device including the pixel, and method of driving the pixel

A pixel set may include the following elements: a first diode for emitting first light of first color in a first time period; a second diode for emitting second light of second color in a second time period not overlapping the first time period; a first driving transistor for controlling electrical connection between a first power supply line and the first diode; a second driving transistor for controlling electrical connection between a second power supply line and the second diode; and a data transistor for transmitting a data voltage to a gate electrode of the first driving transistor and a gate electrode of the second driving transistor in response to a scan signal.

Pixel, organic light emitting display device including pixel, and method of driving organic light emitting display device

An organic light emitting display includes a data driving unit connected to data lines, a scan driving unit connected to scan lines, and a display panel having pixel groups arranged in a region where the data lines and scan lines intersect. A pixel group includes a first pixel unit having a first organic light emitting diode configured to emit light of a first color and a second pixel unit having a second organic light emitting diode configured to emit light of second color. The first pixel unit further includes an organic light emitting diode configured to emit light of a third color and the second pixel unit further includes an organic light emitting diode configured to emit light of the third color.

Growing community of inventors

Yongin-si, South Korea

Bon Seog Gu