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ȹƯ > Talk
BK ÷ ̾߱ 6
[öƽ̾] Է 2020-10-15 09:45:17


ٰ Ǹ TFT LCD(HTPS TFT LCD) >>
ɵ ÷̿ ȭҿ ƮͿ ĿнͰ ϴ. Ʈʹ Ư ȭҸ ϰ ȭҿ ȣ  ֵ on/off ϰ, on ¿ ȣ ִ . , ۾Ƽ ȣ ս ϰ, ij ̵ Ŀ ȣ ӵ մϴ. ׷, ÷ Ǹ (amorphous layer)̾ Ư ̵ ſ , Ű Ͽ ó Ǹ Ű, ̷ ȭ(crystallization) մϴ. ȭ ģ Ǹ ܰ Ǹ (crystal grain) 𿩼 ̷ ٰ(poly-crystal layer) Ǿ ̵ Ǵµ, ũ⿡ մϴ. ũ 翬 ó µ ð ϰ.

̶, ȭ µ ջ ʴ ѵ , ̵ ̱ Ͽ 1,000 ̻ ȭ µ 䱸ȴٸ, մϴ. ̿ ̵ Ű Ͽ µ ȭ Ͽ ū ٰ Ǹ ϰ, ⿡ Ʈ͸ ٰ Ǹ ڸ Ʈ(High-Temperature Poly-Silicon Thin Film Transistor, HTPS TFT) ϸ, ̸ Ī ڷ LCD HTPS TFT LCD, Ȥ HTPS LCD մϴ.



ũ⸦ Ű Ѱ谡 ְ, Ƽ HTPS TFT LCD ÷̺ٴ ַ ȭ ũⰡ ۰ ػ󵵰 ũ ÷̿ , ̳ ÷ , Ȥ 2 ~ 3ġ δ Ư 뵵 ÷̷ ˴ϴ. LCD 迭 δ ‘Ǹ ’, , LCoS ִµ, ̴ ̵ ٰ Ǹܺٵ ū ܰ Ǹ ü Ī ڷ ϴ Դϴ. , ̵ Ʈ ̿Ѵٴ Ҿ, ̺ ȸο ֺ ȸε ÷ Բ ȭ ־ SoD(System on Display) ϴٴ ֽϴ.


Ǹ (LCos)Ұ >>


LCoS ‘Ǹ ,’̶ ״, Ǹ ۿ ÷ ġϿ LCD Դϴ. Ǹ ۿ Ʈʹ Ī ڷμ ְ ̿ Բ ݼ ȭ ݵü(Complementary Metal Oxide Semiconductor, CMOS) ȸ(Integrated Circuit, IC) Ͽ ÷ ȸα Բ ȭ ־ ʼ, LCD մϴ. ÷ г ũ 1ġ , β 1~2mm, ׸ ػ󵵸 ϴ ġ 2ũ ϱ . г ũ ̷ , ũ ÷̷ν ̳ ÷̷ ϰ . г ü Ǹ Ͽ ݻ մϴ.

LCoS 1970 ̱ GE(General Electric) ؼ ʷ ÿ˴ϴ. ü⸦ 1990뿡 ̸ μ ÷ ʿ伺 Ŀ鼭 ȸ簡 , 꿡 ϰ . 2005 ܿ, Ϻ Ҵϰ ػ󵵿 (contrast ratio) LCoS 忡 Ҳ ϴ. ̾ Ϻ JVC(Japan Victor Co.), ij TV о߸ ȮϿ, ڸ ̾ ̱ , ״ ʸ  շϿ ݰ ο, о ο ߱  ħ 鼭 Ͽ ֽϴ.

2010 Ĵ LCoS 絵 ñν, Ҵϴ , ̿ Ͽ 븸 ̸ƽ, ̱ ζ ý Syndiant, ߱ Splendid Optronics Technology  , , ׸ AR VR ǰ ܳϿ ǰȭ ô ӵ ̰ ֽϴ. ̿ Ͽ JDC ̱ eLCOS Ư ̼Ͽ ο Ͽϴ. LCoS ؼ м ̰ մϴ. HTPS TFT LCD, ׸ ڸ ̾ ‘Ǹ OLED,’ ‘ũ LED’ 밡 Ůϴ.


Ǹ OLED(OLEDos) Ұ

OLED , ÷̷ν , º, ׸ TV ǰ ǰ , ̵ 並 ϱ⿡ ϴ. ̷ Ȳ OLED Ǹ ۻ Ͽ Ư, ν پȿ ÷(Near-to-Eye Display, NED) ̿ϰ ϴ õ ǰ ֽϴ. Ǹ ۿ ÷ΰ ȸκθ ϰ ϴ ǵ LCoS ϴ. , ð ػ, ׸ Ʈ ũ ÷̸ ϱ ؼ. ȸδ , Һ CMOS ַ ϰ, ö󰡴 OLED ġ ߱(top emission) ϴ.

2011⿡ Ϻ Ҵϴ CMOS Ǹ ÷ ݻϴ , OLED, ׸ RGB Į ͸ ġ OLEDoS ǥ ֽϴ. Ʒ ϴ . , ݵü Ŀ帮 ۵ Ǹ ÷ OLED ڸ ϰ, ڸ (Thin Film Encapsulation, TFE) , Į ͸ ġϰ, Ŀ ۶󽺸 гε ϳ ߶󳻴 (singulation) ϼ˴ϴ. OLED ſ Į ȭҵ RGB OLED ִ ͵ մϴ. 2013 ƿ ȣۿ FMTL(Flash-Mask-Transfer-Lithography) ǥ . 巹 ÷̿ 2016⿡ Ȱ QVGA(Quarter Video Graphics Array) ũ OLED ǥϿ, 2017⿡ ̱ eMagin ̸ 2K x 2K ػ󵵸 ÷Ƚϴ. ñ⿡ ̱ , 3,000 ppi(pixels per inch) ػ OLEDoS ̸ ̿ Ʈ ۷ ÿϿϴ. 2017 ķ Ǵ ٿ ϸ, Ҵϴ OLEDoS Ʈ Ȱ(eye glass) ̸ CES 2017 ǥ , eMagin VR/AR ȭ ġ 10 ũ Ϸ ʰػ ũ ÷̸ ϰ ֽϴ.

OLED OLEDoS Ͽ ũ ÷ , ϼ о߿ ǵ ֽϴ. ̹ ȭ ũ 10 ũ Ϸ 3,000 ppi Ѿ 5,000 ppi ػ󵵸 ϰ ִ , ̷ ÷̷ν еǴ ũ LED Բ ʰػ, ũ ÷̷ν, Ȯǰ ִ VR/AR NED 忡 ĥ մϴ.


ٷ ÷̵ >>

ݱ Ұ ÷̵ ǰ 忡 , ñ⸦ dzϴٰ ÷̵, ȭ ġ鼭 , Ȥ ϰ ִ ÷̵Դϴ. ̾߱, ܰ ð 帥 ǰν 忡 ɼ ÷̵, ׸ Ȥ ÷̵ ȭ ¸ Ͽ մϴ. 10 ÷ , ǰ鿡 ϴ. ð 7⿩ ϱ.

, δ ռ, 忡 LCD ܷ ִ OLED . OLED 2,000 ʹݿ 忡 ̷, TV ̸ dz뵵 ӵ Ͽ Խϴ. ػ󵵷 ǥǴ , Һ , ݰ ֵ ½ Ѿ, ְ, , ִ, (form factor) ϴ ȯ ̷ (foldable phone) ִ TV(rollable TV) 忡 Դϴ. 鿡 , ߱ ĸ ߱ ߱, ׸ ߱ ÷̱ ȭ ̸, OLED öƽ ̸ оϴ. OLED 絵 ȿ 鿡 Ҹ (fluorescence) 翡 ȿ α(phosphorescence) ް ȯǰ , ̹ ȮǾ ִ ǽ (dry process) Ͽ ߽ , Ȥ (soluble process) Դϴ.

, OLED 濡 ֹ ƴմϴ. , ػ󵵷ο OLED Į ͸ (White OLED, WOLED) ƴ RGB ȭҵ ʹ׵ (RGB OLED) ϴ FMM(Fine Metal Mask) , ߱, Ȥ OLED ִ ϸ鼭 Լ Ī Ȱ , 鿡 α ü, ϸ, ̼ ִ ũ ʹ ϴ. ̿ Ҿ öƽ OLED, , Ȥ ְ ִ OLED õ ̽, , ̵̹ ٴϽ ٵ Ϲ öƽ , Ư ϴ , ص, OLED ڸ , ̷ Ͽ OLED ִ ַ, (Roll-to-Roll, R2R)  Ѿ 庮Դϴ. ׷ ұϰ OLED ϼ ÷ ڸ.

, OLED TV ġ ִ QLED TV, QLED  ֽϴ. Ȯ ڸ, QLED LCD (QD) BLU(Back Light Unit) Ȱϰ ִ Դϴ.

ĵ ϰ , , QDEF(Quantum Dot Enhancement Film), QDOG(Quantum Dot on Glass), ׸ QDCC(Quantum Dot Color Conversion) . ٸ, ̴ LCD ȭ̸, LED ۵ϴ ߱(PL) ̿ Դϴ. QLED ĸ , ߱(EL) ϴ ϼ ε ɸ մϴ. OLED ϴ ñε,  Ǹ ҷ ̸ ̸ ϴ ° Ʋ ڵ Ǵܿ ñϴ. ׸, ũ LED ֽϴ. LED Ĩ, ߱ ڰ ÷̱ Դϴ. Ĩ ũ⸦ 100~50 ũ Ϸ ٿ ÷ ȭҵ ϰڴٴ . ɼ Ǿ, ÿ TV ̴ ҷ ̷ ֽϴ. ̹ Կ Ͽ. ݵü ۿ Ĩ ÷̿  ű , ʼ Ĩ ػ, ȭҵ Ŀ ִ Ư¡, ذϿ߸ ϴ ⸦ οϰ ֽϴ. QLED ũ LED ư ֽϴ. OLED ̰ô , غ Ͽ ӵ. ̻ ַ ÷ гε鿡 ̾߱⿴ϴ. ̿ Բ ȯ (form factor), , ְ(flexible), (rollable), (foldable), ø ְ(stretchable), üģȭ̸(biocompatible), ϱ⵵(transparent) ÷̵, ׸ ̵ Ͽ ԰(wearable), ̰(attachable), ü ϰ(implantable), ǹ̳ ڵ  ִ Բ ֽϴ. ̷ ÷̵ ȰѴٸ, ǰ ִ 3 ÷̵ ǻȰ ɴϴ. ϴ , ºΰ ִ ÷̵ ̾߱ ϸ, ð, ̾߱Ⱑ ʿ κп ̷ ÷ Ǯ Դϴ.


ѱ ÷ , Ű >>

1990 ʿ Ϻ ÷ ̾ϴ. ѱ 븸 , 1995 1997 , Ϻ ÷ , , н, Ͽ ȹϿ ÷ ϰ, 2000뿡 鼭 귮 ѱ ΰ ǰ, Ϻ 3 Ϸ ߶մϴ. ׸ ñ⿡ ߱ ѱ, 븸, Ϻκ ÷ ȹϰ ڸ ŵϿ 2019 ѱ 1 ڸ ϰ ֽϴ. Ȯ ǥϸ LCD о߿ ݳ 1 ϸ, OLED оߴ ѱ ֽϴ. ߱ , Ϻ 븸 Ͽ 10 Ͽ ѱ ÷ ڸ ·ӽϴ. ߰(fast follower) ִ ϸ , (first mover) 浵 մϴ. ѱ ÷ ձ ? ɿ ־, ػ󵵴 8K( 8,000), 1000 ppi Ѿ , Į ϱⰡ ڿ մϴ. (form factor) ְ ְ, ׸ ִ ÷̷ Ͽ, ȭ ũ⵵ TVμ ũ 100ġ޿ ϰ ֽϴ.


, ڰ ִ Ȯ ʽϴ. ɸ鿡 ư ʰ . ³ ũ鿡 ִ , ִ TV, ׸ øų ִ ź ÷ Դϴ. ٸ, ϰ ź ִ ÷̸ ϱ Ͽϴ. ũ ִٰ ؾ ұ? ᱹ κԴϴ. , ֱٱ ÷̰ (), PC (߼), ׸ TV() ι 70~80ۼƮ ̻ Ǿ Խϴ. ׷ Ѱ谡 , ¸ پϰ ְ, ׸ ȭ ũ⵵ 1ġ Ϻ 100ġ ̻ ̸ , ̸ Ͽ ο о߸ â ſ Ůϴ.

, ÷ о Ȯ볪 ο Ͽ Ȯϰų  Ϳ ֽϴ. ̸ ؼ ڵ Һ ɸ мϰų Ȥ ο ⸦ Ҹ о߸ ų Ű . ɼ ִ ĺ 캼? , ÷Դϴ. ‘Arts & Culture’ Ʈó ¶ ʿ ÷̷ ׸ ػ󵵷 ִ ÷. Ȥ ƿ dz ȸϿ ϱ⿡ ˸ ÷̰ ϴ. 4 , Ư 繰 ͳ(Internet of Things, IoT) ô  ߿伺 Դϴ. VR AR Ͽ ̳ 鿡 ʿ ÷̵ Դϴ. Ƿ 忡 Ӱ ִ HMD HUD, ׸ κ ͸ϱ ÷ 䵵 Դϴ. 屸 ۿ ȭ Ʈ ̴, ÷̸ Ȱϴ Ʈ ο ȭ  Դϴ. Ȱ ִ ڵ ÷̿ , ð , ׸ µ ϴ OLED 鱤, ܷ ÷̿ ϴ.

̷ ? ȯ濡 ģȭ ÷, , , ӹ , ġ ȯ, ׸ Ȱϴ ɸµ ȭ, ± ȭ ִ ÷, Һ ° 鿡 ȯ ȣ ÷̵ ʿմϴ. Ŀ Ͽ ִ ÷, Ʈ  Ʈ Ÿ(tattoo)ó ü üȭ ִ ÷, ÷ ϰų ÷¿ ÷, ‘ ,’ , ϳ ȭ ȭ ִ ÷̴ ⼺ Ŀ ξ ɼ ϴ. Ʈհ ƼĿ Ƽ ÷̴ Ź Ƶδ Ȱ ÷̰ ְ. ׸ 4 ÷̸ ϴ õ, ڰ Į ػ󵵸 ϰ, ÷ Ϻ Ҹ ⸦ , ִ ÷  ŷ ֽϴ.

߰ڿ Ÿ ΰų Ͽ, ٴ ͵ ߿, ã ã,  ο ֹ ϴ ͵ Դϴ. ׷ 鿡 , μ ο ̵ŭ, , ٸ о ǰ߿ ġִ ̵ Ʈ , ѱ ÷̰ θ Ű Ȱ ֱ⸦ մϴ. ..ȣ ̾


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