• ġ, ߱  ַ
  • 20240405_ũ_

[̴Ϻм] , 2 LED

ܵ

3 ڽڿ ߴ. ä 1⵵ 1 6450̴. 4400 46% . ðѾ 322̴.

 
1998 ZSDI л

ڴ 1998 ZSDI LEDο л ƴ. ȯ⸦ θ ϴ LEDΰ и ̴. ZSDI LED ϴ ǥ̻簡 45 ȴ. Բ ȸ縦 ٷ ִ. ּ λ, ǥ̴.

ʱ ZSDI ΰ ϴ ȸ 2001 μ ذ߰, 2002 縦 Ű. ü μҵ LED ϰ ƴ. 2006 ȸ ö ִ μ źо ߴ. 2007 պ  ΰ ƴ.

, ӿ ǰ ϴ δ ̵ 1999 ˽ ѱ TGV(, KTX) ΰ, غ ڷϿ ںǰ ǰ ϸ ̾ ִ. 2003⿡ ˽ üϱ⵵ ߴ.

LED ַ

ڴ LED , , 3 ι ִ. ݱ 54%, 38%, 7%. ַ ǰ LED̴. LED ϴ ǰ ؽƮ ܼ ̹ ǥ Ǵ 3 ǰ ǥ ִ ÷ ǰ ִ. ַ , Ǹ ָ ޾ ϰ ִ. LED ϴ ü LED ϱ⵵ Ѵ.

ǰ ڸ LED 15% ϴ 2 ü мѴ. 1 ȸ ڷ 15.8%. Ư, ȸ LED , ִ ϰü . 500 LED ü ü 3 Ұ ü κ ޹޾ ܼ ϴ ´.


 
ο žü ο ̴ , йġ Ѵ. 3 SKڷ, KT, LG÷ θ Ȯϰ , SKε ͳ ü ڿ ǰ Ѵ. ο KTX ǰ ġ, ġ Ѵ.



ֱ 4Ⱓ    27%, PER 8

ڴ 2007 173 ÷, ǰ Ǹŷ Ȯ뿡 322 ߴ. Ⱓ Ͱ ͵ 2 ̻ ߴ. 15 45 15 39 þ. Ⱓ 27%. ְ͹(PER) 8.2.



ǰ ϴ 370, 41̴. 14%, 5% ġ. ݿ PER 7.8.

2016 1000 ǥ, 322

ȸ 78 4400 34 ڱ ġߴ. ֽ ѹֽļ 500ִ.

ڼ ȸ ڱݿ 4 30 15 üڿ, 6 ߺ, 9 ڱ ϰڴٰ . , ļ ü, űǰ LED ǥ(SMD) Ĩ ġ ִ.

ڴ ذŸ δ. ǥ а ͺ信 "2016 ؿ 50% 1000 ߰߱ ϰڴ" θ . 322 3 ̻ ϰڴٴ ̾߱. 18%.

, ǥ ȸ ŷڵ ̰, η Ȯ ߴ.

ݱ⺸ ȸ 2б üڱݿ 17900 ȹ ڱ 21 19 ִ. ڱ ȹġ ŭ ´. ڱ Ȱ üڿ δ.








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