Lg Display Co., Ltd.

Yongmin Jeong

EuiHyun Chung

Euitae Kim

Hyoung-Su Kim

Seunghee Lee

Sunghun Kim

KiSeob Shin

Dongho Choi

Euihyun Chung

DongHo Choi

Mose Lee

Booheung Lee

A display device can include a display panel having a plurality of pixels disposed therein. Each of the plurality of pixels includes a light-emitting element configured to emit light by a drive current, a driving transistor disposed between a first node and a third node and configured to control the drive current flowing through the light-emitting element from a first power line through which a first power voltage is provided to a second power line through which a second power voltage is provided, a first transistor connected between the third node and a second node, a second transistor connected between a data line and the first node and configured to apply a data voltage to the first node, and a third transistor connected between the first power line and the first node and configured to apply the first power voltage to the first node.

Display device

A display device according to an example embodiment of the present disclosure may include a stretchable lower substrate; a pattern layer disposed on the lower substrate and including a plurality of plate patterns and a plurality of line patterns; a plurality of pixels disposed on each of the plurality of plate patterns; and a plurality of connection lines disposed on each of the plurality of line patterns to connect the plurality of pixels, wherein each of pixel circuits formed in the plurality of pixels includes at least one light emitting element, a driving transistor, a storage capacitor, and a first transistor to a fifth transistor, and a constant power voltage may be applied to the storage capacitor.

Stretchable display device

Discussed is an organic light emitting display device, including a plurality of pixels. Each pixel includes a red sub pixel, green sub pixels, and a blue sub pixel. The red sub pixels and the blue sub pixels are aligned in a first direction. The green sub pixels are disposed between the red sub pixel and the blue sub pixel. The red sub pixel, the green sub pixels, and the blue sub pixel of a first pixel form a first group, and the red sub pixel, the green sub pixels, and the blue sub pixel of a second pixel form a second group. The first group and the second group are symmetric with the first direction. The red sub pixels and the blue sub pixels are disposed at a second line parallel to a second direction perpendicular to the first direction.

Organic light emitting display device having a plurality of green sub pixels disposed between at least one red sub pixel and at least one blue sub pixel

A display device according to an example embodiment of the present disclosure may include a stretchable lower substrate; a lower pattern layer disposed on the lower substrate and including a plurality of lower plate patterns and a plurality of lower line patterns; a plurality of pixel circuits disposed on each of the plurality of lower plate patterns; a plurality of lower stretched lines disposed on each of the plurality of lower line patterns; an upper pattern layer disposed on the lower pattern layer and including a plurality of upper plate patterns and a plurality of upper line patterns; a plurality of light emitting elements disposed on each of the plurality of upper plate patterns; and a plurality of upper stretched lines disposed on each of the plurality of upper line patterns, so that a uniform power may be supplied.

An organic light emitting display device includes a plurality of pixels including a first pixel and a second pixel. Each of the first pixel and the second pixel includes at least one red sub pixel, a plurality of green sub pixels, and at least one blue sub pixel. The red sub pixels and the blue sub pixels are aligned in a first direction, and the plurality of green sub pixels is disposed between the at least one red sub pixel and at least one blue sub pixel of each pixel. The red sub pixel, the plurality of green sub pixels, and the blue sub pixel of the first pixel form a first group, and the red sub pixel, the plurality of green sub pixels, and the blue sub pixel of the second pixel form a second group.

Proposed is a display device including a display panel displaying an image and a scan driver having a scan signal generation circuit that supplies a scan signal to the display panel, the scan signal generation circuit including a first transistor controlling charging and discharging of a Q node, a second transistor controlling charging and discharging of a QB node, a third transistor resetting the QB node, a fourth transistor outputting a scan signal of a logic low level in response to a potential of the Q node, and a fifth transistor outputting a scan signal of a logic high level in response to a potential of the QB node.

Scan driver and display device having same

Discussed are embodiments of an organic light emitting display device, which includes a plurality of pixels, each including at least one red sub pixel, a plurality of green sub pixels, and at least one blue sub pixel, wherein red sub pixels and blue sub pixels of adjacent pixels are aligned in a first direction and a second direction, wherein green sub pixels of the adjacent pixels are aligned in the first direction and are also aligned in the second direction, wherein the plurality of green sub pixels is disposed between the at least one red sub pixel and the at least one blue sub pixel of each pixel, and wherein the plurality of green sub pixels is offset from the at least one red sub pixel and the at least one blue sub pixel in the first direction and the second direction in the each pixel.

Organic light emitting display device

An organic light emitting display device, includes a plurality of pixels, each of the plurality of pixels including at least one red sub pixel, at least one green sub pixel, and at least one blue sub pixel, wherein red sub pixels and blue sub pixels of adjacent pixels are aligned in a first direction and are also aligned in a second direction, the second direction being a direction that intersects the first direction, wherein green pixels of adjacent pixels are aligned in the first direction and are also aligned in the second direction, wherein the at least one green sub pixel of each pixel is disposed between the at least one red sub pixel and the at least one blue sub pixel of the each pixel, and wherein the at least one green sub pixel is offset from the at least one red sub pixel and the at least one blue sub pixel in the first direction and the second direction in the each pixel.

Various embodiments relate to an EM signal control circuit, an EM signal control method, and an organic light emitting display device. The EM signal control circuit according to an embodiment of the present invention includes additional elements (e.g., a transistor and a capacitor) configured to separate a set signal from a gate electrode of a transistor coupled to an output node and to stably keep turn-off of a transistor coupled to the output node. Voltage levels of a first emission power source and a first gate power source may be set differently from each other according to the present invention. Therefore, despite of a threshold voltage change of a transistor coupled to an output node, the transistor may remain turned off stably, thereby improving the reliability of the EM signal.

EM signal control circuit, EM signal control method and organic light emitting display device

Discussed is an organic light emitting display device including a plurality of pixels, where red sub pixels and blue sub pixels of adjacent pixels are aligned in a first direction and are also aligned in a second direction, the second direction being a direction that intersects the first direction. Also, the green pixels of adjacent pixels are aligned in the first direction and are also aligned in the second direction. And the at least one green sub pixel of each pixel is disposed between the at least one red sub pixel and the at least one blue sub pixel of the each pixel, and the at least one green sub pixel is offset from the at least one red sub pixel and the at least one blue sub pixel in the first direction and the second direction in the each pixel.

Growing community of inventors

Goyang-si, South Korea

Yongmin Jeong