Lg Display Co., Ltd.

Han-Hee Kim

Kang-Hyun Kim

Dae-Jung Choi

Ki-Soub Yang

Seung-Ryul Choi

A-Ryoung Lee

Geum-Young Lee

Hwang-Un Seo

Jae-Ki Lee

Hong-Myeong Jeon

Kyoung-Jin Park

An organic light emitting diode display device includes a first substrate including a display region, wherein a plurality of pixel regions are defined in the display region; a first electrode over the first substrate and in each of the plurality of pixel regions; a first bank on edges of the first electrode and including an insulating material blocking penetration of light; a second bank on the first bank and including an insulating material having a hydrophobic property; an organic light emitting layer on the first electrode and a portion of the first bank; and a second electrode on the organic light emitting layer and covering an entire surface of the display region.

Organic light emitting diode display device and method of fabricating the same

An organic light emitting diode display device includes a substrate including a display region, wherein a plurality of pixel regions are defined in the display region; a first electrode over the substrate and in each of the plurality of pixel regions; a bank including a lower layer and an upper layer on the first electrode, the lower layer disposed on edges of the first electrode and having a first width and a first thickness, the upper layer disposed on the lower layer and having a second width smaller than the first width; an organic emitting layer on the first electrode and a portion of the lower layer; and a second electrode on the organic emitting layer and covering an entire surface of the display region.

Organic light emitting diode display device having improved aperture ratio and lifetime

Method for fabricating organic light emitting diode display device with improved effective emitting pixels area

An organic light emitting diode display device includes a substrate including a display region, wherein a plurality of pixel regions are defined in the display region; a first electrode over the substrate and in each of the plurality of pixel regions; a first bank on edges of the first electrode; a second bank on an upper surface of the first bank and covering only a portion of the first bank; an organic emitting layer on the first electrode and a portion of the first bank; and a second electrode on the organic emitting layer and covering an entire surface of the display region.

Organic light emitting diode display device having improved effective emitting area

A method of fabricating an organic light emitting diode display device having improved effective emitting area includes forming a first electrode over a substrate including a display region, which includes a plurality of pixel regions; forming the first bank on edges of the first electrode having a first width, and the second bank formed on the first bank having a second width smaller than the first width; forming an organic emitting layer on the first electrode and a portion of the first bank; and forming a second electrode on a organic emitting layer; patterning the second bank material layer to form a bank pattern; patterning the first bank using the bank pattern as an etching mask to form the first bank; and partially etching the bank pattern to form the second bank such that the first bank protrudes from the second bank by a third width.

Method for fabricating organic light emitting diode display device having improved effective emitting area

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Anseong-si, South Korea

Han-Hee Kim