Samsung Display Co., Ltd.

Konkuk University Industrial Cooperation Corp

Minkyu Woo

Junwon Choi

Chongchul Chai

Minku Lee

Dongwoo Kim

Jinwoo Park

Minjae Jeong

Joon Ho Lee

Seungwoo Sung

Kyunghoon Chung

Kimyeong Eom

Jintae Jeong

Kee Chan Park

Takyoung Lee

Junghoon Shim

Jaesic Lee

Chaehan Hyun

Myeonghee Seo

Misun Lee

Sungchul Hong

A display apparatus is disclosed, which includes a pixel. The pixel includes first through fifth transistors and a light emitting element. The first transistor includes a control electrode electrically connected to a first node, an input electrode that receives a first power voltage and an output electrode electrically connected to the light emitting element. The second transistor includes a control electrode that receives a scan signal, an input electrode that receives a grayscale data voltage and an output electrode electrically connected to a second node. The third transistor includes a control electrode electrically connected to the second node, an input electrode that receives a reference voltage and an output electrode electrically connected to the first node. The fourth transistor includes a control electrode that receives the scan signal, an input electrode that receives a bias data voltage and an output electrode electrically connected to the first node. The fifth transistor includes a control electrode that receives a sensing control signal, an input electrode that receives an initialization voltage and an output electrode electrically connected to the light emitting element.

Display apparatus

A backlight device includes a substrate and a plurality of light emitters on the substrate. Each of the plurality of light emitters includes a brightness controller disposed on the substrate, and a pad unit disposed on the substrate. The brightness controller generates a light-emission current, a light-emitting diode is allowed to be disposed on the pad unit, and the light-emitting diode emits light based on the light-emission current.

Backlight device and display apparatus including the same

An organic light-emitting display includes a first pixel adjacent to a second pixel and a plurality of driving voltage lines to apply driving voltages to the first pixel and the second pixel. The driving voltage lines extend in a first direction crossing the first pixel and the second pixel and a second direction crossing the first direction. Each of the first and second pixels includes a first driving transistor and a second driving transistor that are symmetrical to each other with respect to a boundary between the first pixel and the second pixel, and a first compensation transistor and a second compensation transistor that are asymmetrical to each other with respect to the boundary.

Organic light-emitting display

A display device includes: a first driving transistor including a first gate electrode and a first semiconductor layer including a first source region and a first drain region, the first driving transistor being in a first pixel area of a substrate; a second driving transistor including a second gate electrode and a second semiconductor layer including a second source region and a second drain region, the second driving transistor being in a second pixel area adjacent the first pixel area of the substrate; a first electrode layer overlapping at least a portion of the first source region of the first driving transistor; a second electrode layer overlapping at least a portion of the second source region of the second driving transistor; a first power line electrically connected to the first electrode layer; and a second power line electrically connected to the second electrode layer.

Display device

A light emitting display device includes: a display panel including a plurality of pixel groups arranged along a first direction; first, second, and third pixels in each of the pixel groups, arranged in a second direction which crosses the first direction, and respectively emitting light having different colors; a light emitting element in each of the first, second and third pixels; a first power supply line connected to the light emitting element of each first pixel of each pixel group; a second power supply line connected to the light emitting element of each second pixel of each pixel group; and a third power supply line connected to the light emitting element of each third pixel of each pixel group.

Light emitting display device

An organic light emitting display apparatus includes first and second pixels on a display region, first and second scan lines connected to the first and second pixels respectively, and a gate driver to output a first scan signal and a second scan signal to the first and second scan lines respectively. The first pixel includes a first pixel circuit and a first organic light emitting diode (OLED). The second pixel includes a second pixel circuit and a second OLED. Each of the first and second pixel circuits includes a driving transistor to output driving current to the anode of a respective one of the first and second OLEDs. The anode of the second OLED at least partially overlaps the gate of a driving transistor of the first pixel circuit.

Organic light emitting display apparatus having reduced effect of parasitic capacitance

Growing community of inventors

Yongin-si, South Korea

Minkyu Woo