>> ÷ ̾߱ 2
5ȣ ÷ ̾߱ ù ° ̾ ° ̾߱ ϴ. 100 ÿ ̸ ϰ, ϰ, Ȥ Ҹ ÷̵, зϰ .
÷ з>>
÷ Ư¡ Ͽ зϴ Ƿ پմϴ. , Ŀ ȭ (Direct view type), ũⰡ ۰ ػ ũ ÷, Ȥ ̷ ̳ ȮϿ ũ (Projection type), ÷̷κ ȭ鵵 ũ ƴ 3 , κ Ÿ Ͽ Ǵ (Virtual view type) ֽϴ. ߿ ÷̰ 츮 ̾߱ ϴ ÷ гΰ ǰ, ƿ ̵ ̵ ÷ г ̿Ͽ ϼǴ ý̹Ƿ ַ ÷̸ ַ Ͽ .
÷̸ зϱ ؼ зϴ ϸ, , ϰ ſ (Cathode Ray tube, CRT), ÷(Field Emission Display, FPD), ѷ ְ, ٽ FPD ʿ ϴ ߱(Non-emissive type) ִ ڹ߱(Self-emissive type, emissive type) з ˴ϴ.
߱ Liquid Crystal Dis-play(LCD) ǥ̸, ̿ܿ ʼ ڱġ(Micro Electro Mechanical System, MEMS) ̿ MEMS ÷, ̿ ַ Ǵ ⿵ ÷(Electro Phoretic Display, EPD), ̿ Ʈ ÷(Electro Chromic Display, ECD) ֽϴ. ߱ Ƿ ÷ ̶ ŭ پѵ, ߱ ϴ ̷а ϱ .
ֿ ߱ 캸, Ű ̿Ǵ Ư¡ ִµ, ؿ 浹 ̿ϴ ߱(Cathodo Lluminescence, CL), 忡 ̵ϴ ij, , ڿ (Excitation) 浹̳ (re-combination) ̿ϴ ߱(Electro Luminescence, EL), Ȥ (Photon) ̿ϴ ߱(Photo Luminescence, PL) ǥԴϴ. ߱ ̿ ÷̷δ FPD ƴ CRT ǥ̸, ̿ Բ ÷(Field Emission Display, FED), ÷(Vacuum Fluorescent Display, VFD) ֽϴ. ߱ , Ŀ ȭ , ϴ ױ ̾߱ϸ δ ߱ ̿(OLED) Բ ÷̷ зϿ߸ ϴ () ߱ ̿(Light Emitting Diode, LED) ǥ̸, ̿ Բ Ȥ ڸ/ĸ ߱ (Thin/Thick Film Electro Luminescent Device, TFELD) ֽϴ. ߱ ̿ ÷̷δ PDP ǥԴϴ.
Ƿ پϰ Ư¡ и ÷̵, ̵ ϰ, ƴϰ 鼭 ź ϰ, 嵵 ϰ, ߰ ¿ Ҹ ޱ ϰ, Ȥ ũ ϰų Ϻδ ϸ鼭 ݼⰡ Ѵ Խϴ. ֿ ṵ̈ ϰ, ¿ Ҹ м ϼǰ ο ѹ̶ ¾ ŭ ̸ ҷְ, ªԶ λϴ Ƕ ϸ, Ұ ̾ϴ.
÷̵ >>
츮 ϴ ÷. Ȯϰ ؼ ‘ ÷ ġ(Electronic Display Device)’ ϸ ͵ ó? ÷ ġ 뵵 ٸ, Ƹ TV, , Ʈ, º Ʈ ϻȰ ϴ ø е ϴ. ÷ 縦 ΰ ٸ, ſ ̶ Ҹ Ҷ CRT ǥ ÷̿, ֱٿ LCD OLED ÷̵ մϴ. ̷ ʹ ؼ ʿ ÷ ġ鵵 ִ ݸ鿡 ˷ ǰ . ̵ Ұϸ鼭 پ ÷ з, Ͽ غڽϴ. VFD (Vacuum Fluorescent Display); ߱ ÷ VFD ‘ ÷’ θϴ.
VFD 1965 ߸, 1970~1980뿡 ڰ ռ 信 ϰ ߽ϴ. VFD ī ǥġ, ӱ ÷ Ȱϰ ˴ϴ. Ư ÷ ϱ LCD ȭ Ʈ ־ϴ. 90 LCD ް Һ̶ Ʈ忡 з VFD 뷮 ϰ ˴ϴ. VFD ذ (Grid), 3 Ǹ, ڰ ȭ ϰ к ڰ ϴ Դϴ. ؿ ڸ ϸ 忡 ̸ ؿ 浹Ű, ڼ ü ߱ϴ Դϴ. ߱ ڸ, ڼ ü ϴ CRT ֽϴ. ٸ ڼ CRT kV̻ ô , VFD 50V Ϸ ٴ ٸϴ.
LED (Light Emitting Diode); LED, ‘߱̿’ ÷̿ ؼ 캸ڽϴ. LED ô ͼ ̸ε. ̳ θ ǰ ֱ Դϴ. 鿡 Ҹ Ұ, ݴ ξ üϰ , ڵ ڱ ǰ ڸ ֽϴ. LED ̸ ״ ݵü ̿ Դϴ. ̿ ‘ ڿ ɸ θ 帣’ ̸ ‘ ۿ’ ϴ Դϴ. ̶ ָ Եǰ, ڿ ؼ ϴ Ϻΰ Ÿ Դϴ. Ϲδ ‘ ݵü’ ǥDZ մϴ. LED ÷̸ ϴ Ϲ LED ȭ ϳ Īϴ , 鸸 LEDڸ · ϴ Դϴ. ǥ ߿ܿ Ǵ Ŵ LED Դϴ. LED Ƿ Ʒ μ ô Դϴ. ֱٿ ̷ LED ũ⸦ ۰ TV Ǵ Ͽ Ȱϴ ‘ũ LED’ ǰ ֽϴ. ‘ũ LED’ LED ũ⸦ 5~10 ũι() ʼ LED մϴ. LED ü ȭҷ Ȱ ֱ ȭ ȴٸ ־ ְ ¼Ҹ ô ǰ ϰ ֽϴ.
ECD (Electro Chromic Display); ECD ߱ ʴ ߱ ÷̷ ü ü ־ ȭ ̿ϴ Դϴ. Ḧ ϱ ϸ ‘ ÷’ θϴ. Ϲ Ѱ µ, Ư 쿡 Ǵ ٲٴ ֽϴ. ̸ ⸦ Ͽ ϴ ̰ ̶ θ, ῡ ΰϸ ȭ, ȯ ῡ Ư ȭDZ ̳ ݻ籤 ÷̷ Ȱ ֽϴ. ECD LCD ʱ ǥð , þ߰ , ν ϴٴ ֽϴ. ־ ʴ ǥð ӵǴ Ư Ƿ, Ŀ ֽϴ. ECD ִ Ư ֱ ÷ о߿ ָ Դϴ. Ư â ǥϴ , ϴ Ŀư 뵵ε ִ Ʈ 쿡 ϱ ǰ ֽϴ.
EPID (Electro Phoretic Image Display); EPID ϸ ִ ڸ 忡 ̵Ű ‘⿵(electro-phoresis)’̶ ̿ ÷Դϴ. , ؿ ٴ ڿ ؿ ٴ ڸ ġ Ŀ, ڳ ڸ ǥϷ κп ָ ش κп ڰ پ ˰ ǥð ǰ, κп ǥõǴ Դϴ. EPID Ϻ ǥ, , , ȭ, , EPID Ȱ ǥ ǰ ‘E-Ink’ ֽϴ.
TBD (Twisting Ball Display), SPD (Suspen-ded Particle Display); Ұ ÷ ġ ‘ ȸ ’ Ȱ ÷̵Դϴ. ÷̴ ȿ ϴ ڸ ȸŰ ϰų, 巯 θϴ. TBD(Twisting Ball Display) ‘ з ȸ ÷’ Ҹ, Ϸ ٸ ǥϴ ڸ ⸦ ̿ ݴ ȸŰ մϴ. ݱ ٸ ǥϴ , Ϸ ٸ ̿ ڸ ȸŰ .
EPID ٸ ڵ Ʈ ϴ , TBD ϳ ڿ 2 ⼺ Ʈؼ ϴ ǥø ϴ Դϴ. ٸ ȸ δ ‘л ȸ ÷’ Ҹ SPD(Suspended Particle Display) ֽϴ. ‘Suspended Particle’ ‘ ’ ǹ̷, ο յ ִ ڸ ȸŲٴ TBD ϳ ڿ ƴ϶, ⼺ ϰų ǥմϴ. ⺻ Ⱑ ¿ ڵ ұĢ · ־ մϴ. ⸦ ϸ ڵ ϰ 迭Ǹ, ̶ ڵ ܸ ּȭϿ ְ ˴ϴ. ÷̷ Ȱϰų, ݻ ݻ籤 Ȱ ÷ · ֽϴ. (̻, ó; Z ÷ α)
̻ پҼ, ְ ü ʿմϴ. 켱 , ڹ߱ ÷̿ ߱ Ͽ , ߱(CL) ÷̷δ CRT, FED, VFD ְ, ߱(EL) δ LED, OLED, TFELD, ߱(PL) δ PDP ֽϴ. ڹ߱ ÷̷δ ECD, EPD, LCD, MEMS ÷̸ , ϴ, ̵鿡 Ұϰ մϴ. з Ұ ñ⳪ , ʰ '' ̳ ' ĺ' մϴ.
ֳϸ, , ǰ, ǰ ߿ ƾ ָϰ, ߸ڳ ȸ簡 ϴ ٰ ٸ , Ը , Ȱ Ҹ ϰ, Ը б⺰ε ħ Һиϰ ȭ ϱ . (̷ , ÿ 'ڱ ̾߱' ø dz). δ ÷ (÷ г ̿ϴ 찡 , '' ǥ ) Ǵ ÷̵ ϰڽϴ.
δ TV Ͱ ̸, δ , 3 ÷ , Ƿ پ (Virtual Reality, VR) (Augmented Reality, AR) ָ ް ִ о. ̵ ÷̵ ũ ũ ÷̳ MEMS ÷̶ з ٷ ִµ, ÷ ϰ, ÷ .
, MEMS Ż ̼ ſ (Digital Micro-mirror Device, DMD) ÷ DLP(Digital Light Processor), LCD йи ٰ Ǹ ڸ Ʈ LCD(High-Temperature PolySilicon thin film transistor LCD, HTPS TFT LCD) LCoS(Liquid Crystal on Silicon), 'Ǹ OLED,' OLEDoS(OLED on Silicon) Ұմϴ. Ȱϰ ũ ÷(micro-display) ̾߱ ϰ Ǹ, ϳ, 翡 ̸ ѹ̶ ȭ, ȭ õ ÷̵ 밡 ˴ϴ. , ̾ ÷ Ұ ˴ϴ.
1) , ڹ߱ ÷̿ ߱ ߱, ߱, ߱, ĺ ~ CRT / FED / VFD, LED / OLED / TFELD, PDP, , ڹ߱ ÷̵
2) , ڹ߱ ÷̿ ĺ ~ EPD, LCD, , ڹ߱ ÷̵
3) Ǵ ÷̿ ũ ÷̿ MEMS ÷ , ĺ ~ ũ ÷, MEMS ÷, DLP, HTPS-LCD / LCoS, OLEDoS, ÷̵
̷ ٶ ÷, , (Quantum Dot, QD) ÷, ũ LED, Ȧα ż ÷̵, ȯ (form factor) , , ְ(flexible), (rollable), (foldable), ø ְ(stretchable), ü ģȭ̸(biocompatible) ϱ(transparent) ÷, Ͽ (wearable), ̰(attachable), ü (implantable) ִ ϰ ִ ÷̵鿡 ؼ Ĺݺο, ' ̷ ÷' ٷ մϴ. ݺ ҰǴ ÷̵ Ǹ ǥϸ鼭.
ؼ(CRT)Ұ>>
ؼ(Cathode Ray Tube) , ڹ߱ ÷̷μ, κ , ӵǴ ̿ϴ ߱(CL) մϴ. ؼ κ ڼ Ű . з̷κ ԵǴµ, ״ ϱ ڸũ ݼ ȾƼ ϴ.
̽ ˷̴ , ̿ ɾ ü з° ̽ . 1870濡 , ũ轺 ũ轺 ߸Ͽ, ̴ 轼 ؼ ڵ ̷ٴ ߰, ư ī CRT ߸ ϰ ˴ϴ.
ؼ (Cathode) ڵ , (Ray) ӵǸ鼭 ü 浹Ͽ (Tube), , CRT Ī Ư¡ ϰ ֽϴ. , κ ڵ ϸ鼭 ӵǾ ڼ ǰ, ̴ ȭǾ ü , 浹Ͽ ü , Ű ˴ϴ.
ܻ() CRT ڼ ۵ǰ, Į 3 (Red, R), ʷ(Green, G), Ķ(Blue, B) ü ȭ(sub-pixel)鿡 Ͽ ϳ, ں ʿ մϴ. ڼ ü ȭ Ͽ 밢 ݴ ֻ(scanning) ϸ鼭 RGB(Red Green Blue) ȭҵ Ѿ ϹǷ ϸ, 2 ũ(deflection yoke) ϰ ֽϴ.
ڼ ٸ ڵ 浹ϴ δ Ǹ, ڼ Ӱ ֻ Ÿ Ȯ Ÿ, β Ͽ ϴµ, ̴ ſ , ū ˴ϴ.
ƿ, CRT ˴ϴ. , , ⺸ٴ ػ 䱸Ǵ Ϳ CDT(Color Display Tube), ַ ػٴ ⸦ 켱ϴ CPT(Color Picture Tube) .
鼭 κ Ư¡ غ. δ Լ ݼ ȭ մϴ. Į(K), Li(Ƭ), Ȥ Ʈ(Na) ȭ. ̷κ ڵ 忡 شϴ ص ϸ鼭 ڼ , ϰ Ǹ, ϸ鼭 ˴ϴ. ̶ մϴ. , ڰ Ǿ Ǵ ǰ. ڼ ũ ˴ϴ. ڼ ¿ ְ ϴ ǰ ַ ڱ ̿ϸ ϰ , 2Ʈ ˴ϴ.
ڼ ũ ۵ ϸ ϴ ü(ܻ ȭ, Į RGB ȭ ϳ) ̸ ˴ϴ. ڿ ü ǥ鿡 ˷̴ õǾ ִµ, ̴ ڵ ϰ, ڷ ݻϴ մϴ. ˷̴ ڴ ü 浹 ϰ, ϴ. ü ̸ ϰ ũ ų ˷̴ ڴ ǵƿͼ ٽ ڼ .
CRT 1897 ʷ ߵ 3 ÷̷μ, ߸ڴ ī ̸ ̶ Ҹ, η 뺧 л ϴ. ȭ ߵǾ ۵ ߰, Ŀ Ǹ鼭 TV ְ Ǿ, ̱ RCA(Radio Corporation of America) ߽ Ǿ 1939, ڶȸ TV , ڸ ̾ 1941 TV ۵Ǵ Ȱ ϴ. 2 ߿ ̴ Ǹ鼭 Ǿ, TV Ǵ Ⱑ ˴ϴ.
ѱ , TV 縦 ϰ ̲ CRT, 縦 ˾ƺ? 1960 ư . 1961 ۻ KBS ϸ鼭 TV ô밡 ˴ϴ. ݼ(LG ) 1960 ʺ CRT TV ϰ, 1966 ħ CRT TV , õ˴ϴ. 1970뿡 鼭 LG Z CRT ȭ. CRT ͺ TV, , ⳪ ǻ ÷̸ ʿ ϴ о߷ Ȯ ˴ϴ.
1980 ߹ݺʹ β Ը ̰ ȭ źȭ Ű ۾ Ǿ, 20 Ĺݰ 21 ʹݱ ȭ β, 翡 ȭ մϴ. β Ը ̴ и Ѱ谡 ְ, ڵ 浹 x-ray ġ鼭, 1990 ϱ FPD( ÷) PDP, 2000 , ߹ݿ ̾ ϴ LCD ھȱ .
÷̷μ ݼ ̻ dz CRT. ϴ 嵵 , Ϻ 鸸 ȣ鿡 TV, , , ߾ ÷Դϴ. ǿ δ㰨 Ͽ , Ҹ ߿, Ƿΰ, Ȱ ó ư, x-ray Ϻ , Ҹ, , (impulsion) ִ , Ͽ ε 츮 ƿ 7080 ִ ÷̷μ Դϴ.
ȣ ̾ ....
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