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ȹƯ > Talk
÷ ̾߱ 32
[öƽ̾] Է 2022-12-21 15:20:08



OLED, ,  >>
 
İ , LCD ÷(TFT) ǰ ÷ ϴ , ׸ ⿡ ȭ İ մϴ. OLED TFT ÷ , ׸ OLED ڸ ϰ ȭ İ . İ ġ ϼ˴ϴ.
OLED ȭ BLU ʿ , , ׸ IC(Integrated Circuit) ȸΰ ̺긮 μ ȸ (Flexible-Printed Circuit Board, F-PCB) Ű OLED ϼ˴ϴ. 캸 ǰ 꼺 Ͽ پ ȭ . Ϸʷ ġ ġŰ (add on-type), (on cell-type), ׸ (in cell-type)ε е.

 
 

OLED, ̽ >>
⿡ ݱ OLED 뿡 Ͽ , ׸ OLED ̽ ٷ մϴ. ̸ Ͽ , (, ź ), , ׸ õ , ̾ ϸ, ڸ ̾ õ Դϴ.

 
OLED, ̽, 翡 Ͽ >>
 
÷̵ ߿ OLED ſ Ůϴ. Ư, OLED ׷. ü µ ߿, Ϻ Ͽ , ǰ ȭ Ǵ Դϴ.
OLED Ǵ δ öƽ ְ, ذ ᰡ ֽϴ. ̿ Ͽ ⹰ ̷ ڿ , , ߱, ׸ , ᰡ ʿϰ . 쿡 󼭴 ÷ Ʈ Ϳ 簡 ʿϱ⵵ մϴ. OLED κп , ׸ Ŀ öƽ ġ˴ϴ. ̳ ټ 鵵 ֽϴ. Ư ٽ Ǵ OLED ڿ 翡 ؼ ռ, ‘OLED, ڳ’  ٷ, پ 鿡 ؼ ϱ մϴ.
 
 
 
OLED, ̽, Կ Ͽ >>
 
ִ ÷(flexible display)δ OLED, LCD, ׸ EPD(ElectroPhoretic Display) ֽϴ ٸ, η , ׸ ȭ öƽ OLED е մϴ. ռ Ͽ ÷̴ η縶 ۵Ǹ, öƽ ʸ TFT ÷ ϰ, ÷̴ OLED, ڸ ϴ 찡 ̻Դϴ. ׸ öƽ OLED, OLED ʿ .
 

 
(flexibility) 뼼 ϰ . (rigid) (conformable) ̾ ߰ ܰԴϴ. 
, ٲ ũ⸦ ٲ . ׸ θų 󰡴 , ݰ(Radius of Curvature, RoC) Ÿϴ. ڸ η ‘’ RoC 뷫 7mm Դϴ. Ϲ ִ(bendable) 쿡 7mm , ִ(rollable) 쿡 5mm, ׸ ִ(foldable) 쿡 1mm 䱸մϴ.
 


 
, öƽ OLED ʰ Ǵ κеδ öƽ , ÷ΰ ⹰ , ߱ , , ڸ , ׸ Ŀ öƽ ֽϴ. , ̵̹ ٴϽ öƽ ʸ ȯϿ մϴ. ݼ ŷ Ʈ , ݰ , ׸ źȭ ʿ伺 ġ ʴ մϴ. ÷ LTPS-TFT ȭ TFT 꼺 Ȯ Բ TFT Ͽ . ÷̺δ OLED̾ и, ػ Բ ȵ õǾ մϴ. ׸, ̰ о ڸ Ȯ Ǿ .

 
ġ ũ ݰ , ׸ ̴ (add-on) ڸ ġ ϴ ٷ (on-cell) ȯǰ (in-cell LCD ), ƴ϶ Ǵ 鼭 Ŀ ۶󽺴 Ŀ öƽ, ̵̹(Colorless PolyImide) ȯǰ ֽϴ. 
 





 
, Ŀ öƽ 浵 ָ ϱ Ͽ Ŀ ۶󽺸 ſ ʹ (Ultra Thin Glass, UTG) 뵵 õϰ . (encapsulation) ĵ̳ , ̺긮 ȭ˴ϴ. ̴ ȭ . , ü ʿϿ, Ŀ ⸷ ⸷ ִ ߰Ǹ ˴ϴ. ̻ ؼ ռ ٵ ְ, ε ȸ ̸, ⿡ Ư ߿ ٽ ذ ڸ ̾߱⸦ ̾ մϴ. ׸, ķ ǰ ÷ ̾߱⸦ ذ Դϴ.
 
 
OLED, ̽, Կ Ͽ,
 
OLED , ñ ݺ ڿ ؼ Ư Ͽ մϴ. ƾ ϴµ, ϰԵ ݴ Դϴ. ̸ (trade-off)̶ . ȭ Ÿ ϰ ˴ϴ. ̿ Բ ݰ 꼺 ߿. ߵ , ⹰ ITO ϰ ⿡ ϴ ǰ ݺ ڰ ӿ ũ ߻, Ҿմϴ. δ ݼ (metal mesh) 뼱 ⹰ ռϴ.
뼱 ϴ ϴ. 뼱 ӻ , ǥ ĥ 뼱鰣 (interconnection) . ذ Ͽ 뼱 ε ƿ ȭ(Indium-doped Zinc Oxide, IZO) ڸ ̺긮 ȵǾϴ.

 
⿡ IZO 뼱 ȭκ ȣϰ 뼱鰣 , ׸ ǰ ȭŰ ϸ, ǥ ĥ⸦ ̰ ̴µ ⿩ մϴ. ̷ ̺긮 Ͽ OLED ȿ Ͽ Ǿ.
õ 뼱鿡 Ұ(light sintering) ģ , PVB(PolyVinyl Butryal) ħ, Ѽ 뼱 Ἲ, , ׸ ǥ ź Ų ֽϴ. ׸, (electrospinning) ̿Ͽ Ʈ ʿ ʰ ̿ ̹ Ͽ ŷ ְ ǥ ź õǾϴ. 

 
뼱̳ ̹ ϴ , ؿ ߰ ǰ ϱ ӵ Ǵܵ˴ϴ.
ܿ ڿ ź Ʃ, ׸ ׷ 2 ɼ ִ ĺ ǰ ֽϴ. ̵ , (), , ׸ ŷڼ ǥǴ ǵ Ű Ͽ ǰ ֽϴ. ̿ Ͽ Բ 꼺, ׸ ģȯ漺 .
 
 
OLED, ̽, ༺ Ͽ >>

ź(stretchability), ༺ ִ OLED, 䵵 ü оߵ õ ϰ ִ , , ε ʿ ð Ǿ ֽϴ. 
, (rigid) (fixed curvature), ڸ θ (edge-type), ׸ ְ(rollable) ִ(foldable) ÷ ͸ ģ ༺ ִ(stretchable) ÷.

 
ְ, ü ýۿ ɼ Ÿ . Z ü ༺ ִ ÷̿ ⿡ Ư㸦 Ȯϰ , ñδ Ǻ (skintronics) ȯ Դϴ. , ̸ ÷, ź TFT ̿ OLED Ȱϸ, 2017⿡ ༺ ִ OLED ǰ ÿDZ⵵ Ͽϴ. 


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