Samsung Display Co., Ltd.

Lg Electronics Inc.

Korea Institute of Science and Technology

Soohyun Park

Jihyun Ahn

Jeonghwan Kim

Injae Lee

Hyoungseok Kim

Seulgi Han

Wonyong Lee

Donghoon Kwak

Dongha Lee

Seoksoon Back

Seunguk Noh

Jongjang Park

JuYoung Lee

Changho Jhin

Jungseok Yang

Juyoung Lee

Unseok Lee

Manjae Kwon

Sungyul Chang

Sangrok Oh

Chuwon Nho

Taeksung Lee

An electronic device includes a base layer, a first electrode disposed on the base layer, a pixel defining layer disposed on the base layer and having an opening that exposes an upper surface of the first electrode, a hole transport region disposed in the opening and having a thickness that gradually decreases from a center of the opening toward a side surface of the pixel defining layer, an emission layer disposed on the hole transport region and having a thickness that gradually increases from the center of the opening toward the side surface of the pixel defining layer, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region. This electronic device may increase a light-emitting area exhibiting uniform (or substantially uniform) light-emitting characteristics and exhibit high light-emitting efficiency.

Electronic device including a light-emitting element having functional layers with thickness profiles

An organic light-emitting display device including a driving element including an active pattern and a gate electrode, an insulation layer covering the driving element, a first diode electrode disposed on the insulation layer and electrically connected to the driving element, a pixel-defining layer disposed on the insulation layer and including a side surface defining an opening overlapping at least a portion of the first diode electrode, an edge-compensation part including an organic material and disposed in a peripheral area of the opening, an organic light-emitting layer disposed on the first diode electrode and the edge-compensation part, and a second diode electrode disposed on the organic light-emitting layer, in which the edge-compensation part includes an inclined surface contacting the organic light-emitting layer, and a taper angle of the inclined surface of the edge-compensation part is less than a taper angle of the side surface of the pixel-defining layer.

Organic light-emitting display device and method for manufacturing the same

An interior permanent magnet type rotor includes: a rotor core having a plurality of slots formed therein, the plurality of slots having a symmetric longitudinal sectional shape; and a plurality of permanent magnets respectively inserted into the plurality of slots, the plurality of permanent magnets having an asymmetric longitudinal sectional shape, wherein each of the plurality of permanent magnets includes: a top surface part; a bottom surface part formed opposite to the top surface part; and first and second side surface parts connecting the top surface part and the bottom surface part, wherein a first vertical part and a second vertical part, which are in contact with side surface parts of the slot, are formed in the first and second side surface parts, respectively.

Interior permanent magnet type rotor, permanent magnet type motor having the interior permanent magnet type rotor, and compressor having the permanent magnet type motor

Growing community of inventors

Seoul, South Korea

Soohyun Park