ȭ ó ι Դϴ. ״ 1889 ӽ Բ ȭ ʸ Ű佺(Kinetoscope) ߸ ι, ġ ʸ ̿ϸ鼭 ȭ ϰ ˴ϴ. Ҹ ġ ⸦ ߸ ̴ ̴ ̵ ÷Ȱ, ϰ ִ ðϴ. ̽Ʈ ̵ ʸ 35 и, 10 ̽Ʈ 忡 ֹ ߰, ʸ ִ ġ Ű佺 ߸մϴ.
ɰ Ư ǹ, þ߰ >>
÷̿ þ߰(view-ing angle)̶ ȭ ִ ִ Դϴ. Ư LCD , Ī Ͽ ȭ Ϻ ٲµ, Ϻ Ǿ ִ ִ þ߰ Ÿϴ. , ȭ Ʒ(), ʰ () Ϻ ġ ̻ Ǵ ǥ. ⼭ Ϻ ġ 뵵 ٸ, ü 10:1 ½ϴ. LCD þ߰ Ͽ پ 带 Ͽµ, ǥ ĵδ TW(Twisted Nematic) , IPS(In Plane Switching), VA(Vertical Alignment) , ̿ ؼ LCD κп ϱ մϴ.
OLED ڹ߱ ڷ (back-light bleeding, light leakage) þ߰ ӽϴ. ÷ . ٸ, þ߰ RGB ֵ 鼭 ǥ ̵ϰ µ ȭϴ , ̸ ذϰ þ߰ Ȯ OLED , ʿ ġ β , ȭϴ Դϴ.
ɰ Ư ǹ, ӵ >>
ð(response time), Ȥ ӵ( ӵ) ÷̿ ȭ µǴ° ġ ǥ Դϴ. Ȥ Ͻ(latency)ε ǥմϴ. ̴, ȭҰ ϴ ǥϴµ ɸ ð, ַ msec , , õ ǥ˴ϴ. , ӵ ǥ . ٸ, ӵ Ѿ ΰ δ ƽϴ. ӵ Ϸ ''̳ ‘ܻ’ ϴ.
ӵ ϴ ũ ֽϴ. ϳ BtoW(Black to White) ȭҰ ٲ ɸ ð մϴ. ȭ ȭ ɸ ð ϴµ, Ȳ ̷ ϴ 찡 ʽϴ. ٸ ϳ GtoG(Gray to Gray) ̸, ֱٿ ַ , ȸ ο ȸ Ѿ ð մϴ. 밳 ִ 10% 90% ϴ ð . BtoW غٴ ӵ ǥ. ̿ܿ ȣ ӵ ϴ WtoB , ٽ ϳ ֱ⸦ ϴ BtoB ص մϴ.
ɰ Ư ǹ, ֻ, ӵ >>
ȭ ֻ(scan rate) ȭ ֻ(scan)̰, ȭ (frame)̸, 1ʿ 츣(Hz) ǥ ֻԴϴ. Ǵ ȭ (refresh rate), ȭ ε ǥ. FPS(Frame Per Second) ַ ҽ մϴ. ư ֻ 1ʿ ϴ Ÿ ġԴϴ.
ΰ 1ʴ 15 ؼ ָ, 15Hz ̸ øĿ(flicker) Ҹ ʰ ڿ ν, û ȯ ǰ ȭ ũ νϴµ ʿ ֻ ּڰ ϴ. ⺻δ ΰ ų ִ ּ ֻ 60Hz, , 1ʿ 60 ѱ ϰ, ̸ ÷̿ ϰ . 60Hz ֻ 60 1, , 16.6 msec ӵ(frame rate) شմϴ. , ӿ ҴǴ ð. , 3 ÷̸ ϴµ ¾ ۶ Ѵٸ ּ ֻ 60Hz, , 120Hz ̻̾ մϴ. , ֻ ӵ , ̳ ε巯.
ɰ Ư ǹ, ػ >>
÷̿ ػ(resolution) ȭ ο ο ȭҰ ִ մϴ. ȭ ϰ ǥ . ο ȭҵ ǥϸ, ̿ شϴ Ī Բ մϴ. 1920 x 1080(Full HD), 3840 x 2160(4K UHD), 8K UHD . Full HD Full High-Definition ϰ, 4K UHD 8K UHD ȭ κп 뷫 4,000 8,000 ȭҰ ִ Ultra High-Definition ̶ Դϴ.
, ȭ Ƶ ȭ ũⰡ ٸٸ ϴ. ppi(pixels per inch) ϱ . , 1ġ ̿ ִ ȭҵ ϸ, ȭ 밢 ̸ մϴ. , Ʈ ȭ ũⰡ 17ġ̰, 1920 x 1080 ȭҶ, ػ 129.58ppi ˴ϴ. , 1920 x 1080 ȭҸ Ÿ ϸ, 밢 ɸ ȭҴ 2202.9 ǰ, ̸ 밢 17ġ , 129.58ppi ˴ϴ. TV ȭ ũⰡ 80ġ̰, ȭҰ 7680 x 4320 쿡, ػ 110.15ppi ˴ϴ. ppi ġδ Ʈ TV ػ , Ʈ 30 ~ 60cm Ÿ , TV 2 ~ 3m Ÿ ٴ ϸ, TV ػ ٰ . Ϲδ ũ ȭ̶, ȭ ػ , ȭ ũⰡ ٸٸ ppi ϰ ˴ϴ.
ػ Ī 캾ϴ. SD(Stan-dard Definition) 480 ֻ缱 ϴ TV ǥ , 4:3 ȭ ̸, ػ 640 x 480Դϴ. HD(High Definition)ʹ 16:9 ȭ Ϲ̸ 1280 x 720 ػ , Full HD 1920 x 1080 ػ Ⱓ Ǿϴ. UHD(Ultra High Definition) 3,840 x 2,160 ػ µ, ȭ ο ȭҼ 뷫 4,000̹Ƿ 4K θϴ. ֱٿ 4K Ѿ 8K, 7,680 x 4,320 õǰ ֽϴ.
ɰ Ư ǹ, ȭ >>
ȭ(aspect ratio) ÷ ȭ ο մϴ. Ϲ A B Ͽ ‘A/B : 1’, ‘1.33 : 1’̳ ‘1.77 : 1’ Ҽ ǥϳ, δ ‘4 : 3’ Ǵ ’16 : 9’ó Ư . ȭ ʴ 1889 ʸ Բ ‘1.33 : 1’ Ͽ, ̱ Ͽ η ‘̵ ’ · ȭϿϴ. ߴް ǵ پ ȭ õ, ǰ ֽϴ.
ݺʹ Z ڷḦ οϿ, ȭ õ ̶Ͱ. ȭ ó ι Դϴ. ״ 1889 ӽ Բ ȭ ʸ Ű佺(Kinetoscope) ߸ ι, ġ ʸ ̿ϸ鼭 ȭ ϰ ˴ϴ. Ҹ ġ ⸦ ߸ ̴ ̴ ̵ ÷Ȱ, ϰ ִ ðϴ. ̽Ʈ ̵ ʸ 35 и, 10 ̽Ʈ 忡 ֹ ߰, ʸ ִ ġ Ű佺 ߸մϴ. Ű佺 ʸ ʴ 46 , , 46 ̴ ̹ ʷ Ͽ. ̶ ȭ ʸ 35 и ϴ. ʸ Ű佺 վ ġϵ ߽ϴ. ʸ ϵǴ ũ 24.13 mm, 18.67 mm Ǿ. ̰ ȭ ‘4 : 3’ Ǿ, ȭ ϰ ˴ϴ.
ȭ ȭ ó Ͼ ȭ 1929Դϴ. 35 и ʸ Ҹ ϴ ߰ϸ鼭 ϴ ణ ٲ ˴ϴ. 1932 ȭ ḭ̄ ǥ ϱ ǥ ǽ ũ⸦ 22 mm x 16 mm(1.37 : 1) ‘1.33 : 1’ ΰ ȭ źϰ Ǹ, ȭ 1937 ‘ī (academy ratio)’̶ Ī θ . 1950뿡 TV ϰ, TV ȭ ȭ ‘4 : 3’ ڿ äմϴ. ̿ ȭ ū Ⱘ ˴ϴ. ְ Ǿ ã پ . ȭ TV £ ο ʿ߽ϴ. TVʹ ٸ ʿ伺 , 尨 ִ ‘̵ ũ ’ ˴ϴ.
ݱ ȭ ȭ 캸 ‘1.33 : 1’ ī 1.37 : 1 ó ‘2.59 : 1,’ ó ‘2.35 : 1,’ Ÿ ‘1.85 : 1,’ ‘2.20 : 1,’ MGM 65 ‘2.76 : 1’ پϰ Ͽϴ. űϰԵ κ TV ȭ ‘16 : 9(1.77 : 1)’ ʽϴ. ‘16 : 9’ ź TV 翡 ã ֽϴ. 1980 Ĺ HDTV ǥ ϸ鼭 ̱ ȭڷ ȸ ‘16 : 9’ ȭ ߽ϴ. 16 : 9(1.77 : 1) ‘4 : 3(1.33 : 1)’ ó ‘2.35 : 1’ ġ شմϴ. ų ݴ ̵ ũ ̶ 16:9 ˿ ûϸ ¿쿡 ݾ ǥ ְ ˴ϴ. ‘16 : 9’ ȭ Ÿ . DVD(Digital Video Disc, Digital Versatile Disc) ÷̾ HDTV, UHD(4K) ̸ ̵ ũ ǥ θ ̰ ˴ϴ.
TV忡 ̵ ũ ȭ ݵ Դϴ. ‘4 : 3’ ‘16 : 9’ ̵ ũ 䱸 ݿϿ, ‘16 : 9’ ‘21: 9’ 嵵 ȭ߽ϴ. ̵ ũ ȭ ̾? ݱ 캻 ȭ ִ 谡 ֽϴ. , ‘4 : 3’ м ǥϸ 4/3 Ǹ, ڸ ϸ 16/9 ˴ϴ. 4/3 ϸ ‘64 : 27’ Ǹ ̴ ‘21.3 : 9’ ο ̵ ũ ָ ް ִ ‘21 : 9’ Դϴ. ٸ 4/3 ϸ ? 256/81 Ǹ Ҽ Ÿ ‘28.4 : 9’ ˴ϴ. ܼ ̵ ũ û 䱸 Ÿٸ ‘28 : 9’ ˵ ֽϴ.
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