Lg Electronics Inc.

Samsung Display Co., Ltd.

Seoul National University

Dongwoo Fine-chem Co., Ltd.

Lg Elecronics Inc.

Sooyoung Park

Yongsoo Kim

Gayeong Lee

Sangho Lee

Sanghoon Yoon

Gangho Woo

Kyungmin Kim

Junki Kim

Sunha Park

Junghan Ryu

Keunwoo Kim

Jaeneung Jung

Seongyeong Park

Sunghoon Oh

Chaelin Lee

Taeho Kim

Byunghyun Yi

Hyein Jeong

Yuonui Chong

Sungyong Park

Sehun Kim

Hana Kim

Hongyoul Choi

Kwangho Choi

Joonghyun Park

Chihyun Ryoo

Dongwoo Kim

Kyoung-Ju Shin

Sangwon Yoon

Areum Kwon

Bumsang Lee

Minjae Lee

Woosuk Park

Kyeongchul Cho

Youngsoo Han

Taejin Lee

SungJoo Kim

Byunglok Jeon

Heechang Lee

Illhun Cho

Junghoon Yang

Jieon Kwon

Jongho Kim

Seongahn Jeon

Daekee Shin

Youngjoo Cho

Changhee Lee

Dawoon Kim

Hyojeong Kim

Gunwoo Yang

Jongseok Han

Seyoung Jung

Munsoo Park

Youngseung Kim

Kichan Jeon

Soonki Kwon

Byeongkwan An

Augmented reality glasses

An organic electroluminescence device of an embodiment includes oppositely disposed first electrode and second electrode, and a plurality of organic layers disposed between the first electrode and the second electrode, wherein at least one among the organic layers includes a compound represented by Formula 1 below. Improved emission efficiency and color purity properties may be shown.

Organic electroluminescence device and compound for organic electroluminescence device

Sound bar

A display device includes: pixels to emit light of various intensity in accordance with driving signals; data lines to communicate the driving signals to the pixels; scan lines to communicate scan signals to select at least one of the pixels to receive the driving signals; a first power supply to supply at least one driving voltage to the pixels; and a second power supply including an initial voltage terminal to supply an initial voltage to the pixels. The at least one pixel includes: a driving transistor connected between the first power supply and an anode electrode of an organic light emitting diode, a third transistor including an oxide transistor, the third transistor having a first electrode connected to the initial voltage terminal, a second electrode connected to the anode electrode, and first and second gate electrodes, each of which is connected to one of the scan lines, and a fourth transistor including a poly-silicon transistor, the fourth transistor having a first electrode connected to the first power supply, and a second electrode connected to a second electrode of the driving transistor.

Display device and method for driving the same

Skin treatment apparatus

Holder for skin treatment apparatus remote control

Growing community of inventors

Seoul, South Korea

Sooyoung Park