Samsung Display Co., Ltd.

Samsung Mobile Display Co., Ltd.

Se-Ho Cheong

Valeriy Prushinskiy

Won-Sik Hyun

Len Kaplan

Byoung-Seong Jeong

Jang-Seok Ma

Kyong-Tae Park

Min-Soo Kim

Heung-Yeol Na

Yong-Sup Choi

Seon-Hong Ahn

An organic light-emitting display device includes a first substrate and a second substrate that face each other; an organic light-emitting device that is disposed between the first and second substrates and includes a pixel electrode separately formed in each pixel, a common electrode facing the pixel electrode, and an organic light-emitting layer disposed between the pixel electrode and the common electrode; and an electrode unit and at least one wiring unit that are disposed between the first substrate and the second substrate, the electrode unit including at least one thin-film transistor for transmitting a light-emitting signal to the pixel electrode and at least one capacitor, wherein an optical property modification layer obtained by modifying an optical property of at least one of the electrode unit and the wiring unit is formed on a surface of the at least one of the electrode unit and the wiring unit.

Organic light-emitting display device

An organic light-emitting display device includes a first substrate and a second substrate; an organic light-emitting device disposed between the first and second substrates and includes a pixel electrode separately formed in each pixel, a common electrode, and an organic light-emitting layer disposed between the pixel electrode and the common electrode; and an electrode unit and at least one wiring unit that are disposed between the first substrate and the second substrate, the electrode unit including at least one thin-film transistor for transmitting a light-emitting signal to the pixel electrode and at least one capacitor, wherein an optical property modification layer obtained by modifying an optical property of at least one of the electrode unit and the wiring unit is formed on a surface of the at least one of the electrode unit and the wiring unit.

Organic light-emitting display device with modified electrode surface

An organic light-emitting display apparatus that improves image quality characteristics, the organic light-emitting display apparatus including: a substrate; a first electrode formed on the substrate; a pixel-defining layer (PDL) formed on the first electrode to expose a set or predetermined region of the first electrode; an intermediate layer formed in the exposed predetermined region of the first electrode and including an organic emission layer; and a second electrode having a light-scattering face facing the substrate or facing oppositely away from the substrate, the second electrode being disposed on the intermediate layer.

Organic light-emitting display apparatus having a light-scattering face and method of manufacturing the same

An organic light-emitting display apparatus including: a first substrate; a second substrate disposed to face the first substrate; a first electrode disposed between the first substrate and the second substrate and a second electrode disposed to face the first electrode; and an organic light-emitting layer disposed between the first electrode and the second electrode, wherein at least one of the first electrode and the second electrode is a reflective electrode, and an optical property modification layer having at least one optical property modified from that of the reflective electrode is formed on a surface of the reflective layer.

Organic light-emitting display apparatus

A rubbing apparatus including a rubbing roller including an opening portion at a region of a circumferential surface of the rubbing roller, an outlet portion connected to the opening portion and open to an outside of the rubbing roller, and a groove portion connected to the opening portion and penetrating into the rubbing roller along the opening portion; and a rubbing cloth substantially surrounding the circumferential surface of the rubbing roller.

Rubbing apparatus

An organic layer deposition apparatus including an electrostatic chuck combined with a substrate so as to fixedly support the substrate. The organic layer deposition apparatus including a receiving surface that has a set curvature for receiving the substrate; a deposition source for discharging a deposition material toward the substrate; a deposition source nozzle unit disposed at a side of the deposition source and including a plurality of deposition source nozzles arranged in a first direction; and a patterning slit sheet disposed to face the deposition source nozzle unit, and having a plurality of patterning slits arranged in a second direction perpendicular to the first direction, wherein a cross section of the patterning slit sheet on a plane formed by lines extending in the second direction and a third direction is bent by a set degree, wherein the third direction is perpendicular to the first and second directions.

Growing community of inventors

Yongin, South Korea

Se-Ho Cheong