Samsung Display Co., Ltd.

Seung-Chan Lee

Jong-In Baek

Jong-Ho Hong

Won-Sang Park

Ju-Won Yoon

Sang-Ho Park

Joo-Hee Jeon

Gun-Hee Kim

Joo-Sun Yoon

Ki-Seo Kim

Sung-Kook Park

A pixel circuit includes: a driving switching element; a data initializer to initialize a voltage of a control electrode of the driving switching element; a data writer to write a data voltage to the driving switching element; an organic light emitting element; an organic light emitting element initializer to initialize an anode electrode of the organic light emitting element to a second initialization voltage based on an organic light emitting element initialization gate signal; and a light emitting controller to control an emission of the organic light emitting element. The organic light emitting element initializer includes: a control electrode to receive the organic light emitting element initialization gate signal; an input electrode to receive the second initialization voltage; an output electrode connected to the anode electrode; and a conductive layer to receive a compensation control signal that is different from the organic light emitting element initialization gate signal.

Pixel circuit and display apparatus having the same

A pixel circuit includes an OLED, a first transistor including a gate electrode connected to a first node and an electrode connected to a third node, a capacitor including a first electrode for receiving a power supply voltage and a second electrode connected to the first node, a third transistor including a gate electrode for receiving a first gate signal, a first electrode connected to the first node, and a second electrode connected to the third node, a fourth transistor including a gate electrode for receiving a second gate signal, a first electrode connected to the first node, and a second electrode and a second gate electrode for receiving a first initialization voltage, and a seventh transistor including a gate electrode for receiving a third gate signal, a first electrode for receiving a second initialization voltage, and a second electrode connected to an anode electrode of the OLED.

Pixel circuit and display device including the same

A display apparatus providing light therapy includes a display panel configured to display an image to a display region based on input image data, and a lens part disposed on the display panel, the lens part configured to focus the image displayed by the display panel toward a first region in a therapy mode, in which the first region is smaller than the display region, and the first region may correspond to a position of a user's face.

Display apparatus including a lens

A display device includes a plurality of first direction pixel lines. Each of the first direction pixel lines includes a plurality of pixels. Each of the plurality of first direction pixel lines is extended in a first direction. The plurality of first direction pixel lines are spaced apart from each other. A plurality of second direction conductive lines intersects the plurality of first direction pixel lines. The plurality of second direction conductive lines is connected to the first direction pixel lines. The plurality of second direction conductive lines transmits a scan signal.

Flexible display device

An organic light-emitting transistor (OLET) is provided. The OLET includes: a substrate; at least one first electrode on the substrate; a first semiconductor layer having a first conductive type on the first electrode; a second semiconductor layer having a second conductive type on the first semiconductor layer; a gate electrode disposed on a side surface of the second semiconductor layer; a gate insulating layer disposed between the gate electrode and the second semiconductor layer; an organic emission layer on the second semiconductor layer.

Organic light-emitting transistor

A thin film semiconductor device including a thin film transistor (TFT) that maintains a constant electrical characteristic and an organic light-emitting display device. The thin film semiconductor device includes: a substrate; and a thin film transistor (TFT) disposed on the substrate and comprising a semiconductor layer comprising a source region and a drain region, wherein a part of the source region is spaced apart from the drain region and partially surrounds the drain region, and wherein a part of the drain region is spaced apart from the source region and partially surrounds the source region.

Growing community of inventors

Yongin, South Korea

Seung-Chan Lee