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ȹƯ > Talk
÷ ̾߱ 23
[öƽ̾] Է 2022-03-09 15:09:40

OLED Ư¡ ɼ ǰ Ʈ , ȿ ģȯ漺, ׸ Ư¡  ֽϴ. Ư ǰ ̵ OLED , , ڵ,  (built in) , پ ɰ · ȳ Դϴ. ̸ , ȿ Բ , ƿ , ׸ ݿ ̽ ӵְ ذǾ ̸, Ư ο ̰ ȣҵ ߿.
 
•OLED, , Ͽ (2)
•OLED, , Ͽ,
•OLED, , Ͽ, ΰ ()ǰ
•OLED, , Ͽ,
•OLED,
•OLED,
 

OLED, , Ͽ(2) >>
 
LED Դϴ. 2007, 4% Ұϴ 2019⿡ 60% ½ , 2020⿡ ߿ 2 LED Դϴ. Ը 100ҿ ̸ . LED Դϴ. ǰ ̰ , Һ ° ȿ, ȯ ģȭ Ƿ پ. 
̷ LED Ƽ ϴ OLED LED Ͽų Ư Ư¡ . ǰ ְ, ߻ϰ, ڿܼ ߻ , ϸ, ƴ ǥ , ٲ ִ Ư¡Դϴ. ̷ Ư¡ LED , , ƿ μ  غϿİ ֽϴٸ, ڳʿ ̾߱⸦ ̾ .


 
 
 





OLED, , Ͽ,  >>

OLED ⹰ ̿ϴ 鱤Դϴ. , ΰϰ Ǹ, ߱κ . , , ڿ 帧 ȭϿ ߱ ְ . ̷ OLED پմϴ. 鱤̹Ƿ ν(glare) . ȿ Һ , ϰ µ ,  մϴ. , õ̳ ¾籤 Ʈ  . , ڰ ֽϴ. . ʴ ģȯ ̸, ڿܼ ⵵ ּȭ ֽϴ. ߻ 濭(heat sink) ʿ .
 
Ư, LED ݸ鿡 OLED 鱤̶ LEDó ν Ȯ ġ ʿ ʰ ǰ, ܼմϴ. , Ʈ ñ ݿ а Ƿ ޺ , ְ . ̿ Բ ¾ ,  ȿ ذ µ ȭ ״ ־ Ϻ Ʈ ֽϴ. , ǰ ǰ ִ 415~455nm û (deep blue) ߻ ֽϴ.
LED , ̳ Ʈ, ΰ , ׸ õ κп ϰ , ȿ, , ׸ ݿ Դϴ. ̷ κе ȭȴٸ ذ ϴٰ ϴٸ, ̴ ʿ . 
 



 
OLED, , Ͽ, ΰ ()ǰ >>
 
OLED ȿ ִ ̳ ҵ 츮 ǻȰ ϰ Ǹ, Ƿ پմϴ. , ȣ κ , , , ī 뵵 ⿡ µ , ġ . ̳ ɵ , , ġ Ͽ ǥñ⿡ , Ʈ ſ, ū 鸮  ̸ ٹ鿡 ϰ ֽϴ.
 





 
2019 , OLED ο ִ ȸ Ͽ , ĺ Ason Technology, Blackbody, First-O-Lite, GE, Konika Minolta, LG Display, NEC Lighting, Osram, Philips, Showa Denko, Toshiba, Universal Display ֽϴ. ̵ , Ȥ ΰ 뵵  ο ũϰ . ̵ ̵ ̴ ϻ , ̿Ͽ ٷ ׶ , ٱ⿡ ɸ Һ ִ , Һڸ ¶ Ǹϴ ִ 鱤, ⱸ , , Ȥ ó ѷ ٱ, ڵ Ĺ̵ ̷ , ׸ dz , ٵó ε巴 Ϸ̴  , ׸ ̴ 鸮 ο 𵨵… ߽ ǰ, ǰ Ұ ǰ ֽϴ. ̷ ǰ ȸ Ȩ ø Ͽ 츮 .
 
 
OLED, , Ͽ, >>
 
ռ Ͽ OLED Ư¡ ɼ ǰ Ʈ , ȿ ģȯ漺, ׸ Ư¡  ֽϴ. Ư ǰ ̵ OLED , , ڵ,  (built in) , پ ɰ · ȳ Դϴ. ̸ , ȿ Բ , ƿ , ׸ ݿ ̽ ӵְ ذǾ ̸, Ư ο ̰ ȣҵ ߿.
 
÷̿ OLED ū ̰ ϴ. , Ϻ ߱ٴ ߱, Ȥ ߱ 䱸Ǹ, Ǻٴ Ʈ öƽ Ȱ뼺 Դϴ. ٴ α ȿ ⿩ ̸, ݵü ڸ ̸ Ͽ ݰ ȭų ְ. , Ķ Ʈ ̿ϼ, β г, ũ г β 1 mm Ϸ , , ʷ, Ķ Ʈ , Ʈ  Դϴ. ׸ 10 ̳ öƽ ǿ , LED ɰϴ ְ ȿ, 1 ͱ ȭ, ȭ ְ. , , ڿܼ ߻ ص ģȯ μ . оߴ , , , , 繫, ڵ ƿ Ȯ ̰.
 



 
OLED OLED ÷ ڱ , OLED ÷ Ŀ Ե ȸ ־ Դϴ. ٸ, ʰ , Ȯǰ ִ LED ɰ 忡  ϴ°, ׸ ڿ Բ ÷̿ʹ ٸ , ġ 罽(value chain)  ִ° ̷ο Դϴ.
 
 
OLED, >>
 
OLED ذ , ̿ ڿ ,  ߱(Emission Layer, EML) ġθ Ǿ־ ۵ ϸ, 1960 õǾϴ. ׷ٰ 1980뿡 ǿȭ ɼ OLED ߱ ϰ, ⿡ (Hole Transport Layer, HTL) . Ŀ ϱ Ͽ ϴ (multi-layer), Ȥ (hetero-structure) ˴ϴ. 
 





 
, ij, ٽ , ڿ ذ κ ϰ Եǵ ϱ Ȥ (Electron or Hole Injection Layer, EIL or HIL), ⿡ Ե ڿ ӵ ߱ ̵ϱ Ȥ (Electron or Hole Transport Layer, ETL or HTL) ߰ ġ Ǿ. ̿ Ͽ ߱ ij ߱ ݴ ʰ ߱ ӹ鼭 õ ֵ Ȥ (Electron or Hole Blocking Layer, EBL or HBL) ߰ϱ⵵ . ̷ ʿ 󰡺, (HIL), (HTL), (EBL), ߱(EML), (HBL), (ETL), ׸ (EIL) 7 ̸ ˴ϴ. ̷ ڰ ణ 庮 غϸ鼭 Ȱ ̵ϵ Ǹ, ٸ Ͽ ij ؼ 庮 . , ذ ε ϴ ϸ ȭ, Ȥ ȭҰ ˴ϴ.
 
, ϸ ʹ Ƽ ΰ ̻ ϵ , Ͽ ٿϴ. Ư, ڳ Բ ϴ 찡 , ϰų Ȥ Բ ϴ 찡 . 쿡 μ ITO ̿  κ ʿ ϰ ˴ϴ. OLED ⺻ 4 ~ 5 ̷, ̷ ü β 200 nm Դϴ. ̴ , ʷ, ׸ Ķ ȭҿ ̸, OLED OLED ̴ OLED 쿡 ϹǷ 3 ϴ ⹰ ߰˴ϴ. δ ַ RGB ߱ ϴ OLED ڸ ̾ մϴ.
 
 
۵ OLED г ϼǴµ, (encapsulation, passiva-tion) ҳ ⸦ ܺηκ ϴ մϴ. , ҳ Ⱑ OLED η ٸ ذ ⹰ 鿡 ջ ־ ۵ ϰ . Ŭ Ϸ OLED ݼ ĵ̳ Ѳ ų Ȥ Ʈ ʸ Ͽ ҳ ħ . ֱٿ ⸷ Ͽ ȣ ϱ⵵ ϸ, ̸ ڸ (Thin Film Encapsulation, TFE) ǥ. OLED гο ȸκθ ϸ OLED Ǵµ, OLED ڹ߱ ÷̹Ƿ ʽϴ.
 
 
OLED, >>
 
  Ͽ ؿ Ե ؿ Ե ڵ , ߱ ̵ϰ, ⿡ ν  ߱ ϴ. ߱ Ͼ 캸, صκ ij Եǰ(injection), ̵ ϰ Ǹ(transport), ڿ (exciton) ϰ, ڰ ȭǴ (recombination) (luminescence). θ ƴϸ, ٸ ε ȯ˴ϴ. Ʈ ٷ ‘OLED ij ̵, , ׸ ߱’ ̾ϴ.   
 
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