Samsung Display Co., Ltd.

Dohyun Kang

Jungkook Park

Donghak Pyo

Hyeonuk Won

Kyoungju Shin

Chang Ho Hyun

Moonsang Hwang

Byung Wook Ahn

Dongwan Park

Yangsoo Kim

A pixel circuit includes a light emitting element, a driving transistor, a first emission transistor applying a first power voltage to the driving transistor in response to a first emission signal, a second emission transistor applying the driving current to the light emitting element in response to a second emission signal, a first initialization transistor applying a first initialization voltage to an anode electrode of the light emitting element in response to the second emission signal, a data write transistor, a compensation transistor, a second initialization transistor, and a storage capacitor. A first off-duty ratio which is a ratio of a high voltage level period of the first emission signal in one frame is determined according to a set luminance level, and a second off-duty ratio which is a ratio of a high voltage level period of the second emission signal in the one frame is fixed.

Pixel circuit and display device having the same

A display device includes a switching part and a first pixel circuit electrically connected to the switching part, and the switching part outputs a turn-off voltage to a first node in a first mode and outputs an initialization voltage to the first node in a second mode. The first pixel circuit includes a first transistor including a gate terminal electrically connected to the first node, a first terminal electrically connected to a second node, and a second terminal electrically connected to an organic light emitting diode and a second transistor including a gate terminal which receives a gate signal, a first terminal which receives a data voltage, and a second terminal electrically connected to the second node.

Display device with privacy mode

A display apparatus is disclosed. The display apparatus includes a display panel including first pixels and second pixels, and a display panel driver which drives the display panel. In a first mode, the display panel driver drives both the first pixels and the second pixels. In a second mode, the display panel driver drives the second pixels in a first part for one frame, and drives the first pixels in a second part for the one frame.

Display apparatus and method of driving the same

Disclosed are display layers, panels and devices. The display panel has a first display region and a second display region, at least a portion of which is bounded by the first display region, a plurality of first pixels on the first display region, and a plurality of second pixels on the second display region and including a plurality of light-emitting pixels each providing the same color as that produced from one of the first pixels and a plurality of non-light-emitting pixels. A first region where the light-emitting pixels are disposed is asymmetric to a second region where the non-light-emitting pixels are disposed.

Display panel and display device

A display panel includes a first area in which first pixels of a first pixel column, second pixels of a second pixel column, and third pixels of a third pixel column are arranged, a second area which cuts off each of the first pixel column, the second pixel column, and the third pixel column and through which an optical signal travels, and first to third data lines. The first data line is connected to the first pixels and a portion of the third pixels arranged on one side of the second area in a direction in which the pixel columns extend, the second data line is connected to the second pixels, and the third data line is connected to a remaining portion of the third pixels arranged on the other side of the second area in the direction in which the pixel columns extend.

Display device having data lines connected to different pixel columns on one side of non-display area

A display panel includes: a substrate including a display area and a peripheral area; a plurality of pixels arranged in the display area; a pad portion arranged in the peripheral area and including a first clock pad, a plurality of first scan pads, and a plurality of data pads; a first scan driving circuit including a plurality of first stages; a plurality of scan lines including a plurality of first scan lines respectively connected to the plurality of first scan pads, and a plurality of second scan lines respectively connected to the plurality of first stages; and a plurality of data lines respectively extending in a second direction and connected to corresponding data pads among the plurality of data pads and pixels.

Growing community of inventors

Hwaseong-si, South Korea

Dohyun Kang