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6

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Automotive ApplicationAutomotive Application

General LightingGeneral Lighting

Street lightingStreet lightingMachine VisionMachine Vision

Decoration lightingDecoration lighting

LED

9

“LED TV”

LED

10

2010 LED TV ( )3090 1 ( 32%)

LG 2260 6 ( 27%)

Sony was the pioneerWith RGB LED

RGB LED or White LED?

Samsung realizedWhite LED

LED LCD TV Era ComesLED LCD TV by All Major Brands

2004 2005 ~ 2006 2007 2008

Samsung realized Edge Type Suddenly

2009 Edge

Phase I Phase II Phase III

RGB LED DirectWhite LED / Direct

White LED / Edge

(Source: Displaybank, 2009)

LED (Bil. Unit)

(Source: Displaybank, 2009)

16.618.0

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11

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SEMCO

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Product SupplyInvestmentProduct SupplyInvestment

(Source: Displaybank, 2009)

12

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13

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14

[ ]

[GWh]

(%)

[GWh]

[ ] 28,66523,45113,61911,6251,633

31,50025,77014,96612,7751,795

37,32731,28019,76417,0205,163[GWh]

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10.48.75.54.71.4

1,4561,220771664201

33,96728,46517,98515,4884,698

1008040355(%)

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5,3025,0144,3663,8633,065

5,8275,5104,7984,2453,368

3030303030

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CO2 [ ] = [MWh] x 0.39 Kg-CO2/KWh14 Kg CO2

LED

15

LED

LED

16

LED

LED

17

LED ( 113 )

18

: $ :

19

OthersIlluminationSignalAutomotive(Display)Sign/(Display)other mobilemobile appliance

: $

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…

……

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LED

LED

II. LED

23

24

25

, , ,

: LED

2000 2005 2010 2015

250

200

150

100

50

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ica

cy

(lm

/W)

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Korea, Product

Nichia, Product

Small chip @ 20 mA

Large chip @ 350

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Nichia, R&D

Korea, Product‘08

26

Nichia

LED

27

Lumileds

Cree Osram

LED

28

DOE R&D

29

LG

SOC

LED

Substrate

SiC Buffer

LED

30

CurrentPatent Dispute

OEMAgreement

Honeywell

JV

Lexedis

JV

Phosphor Only

DominantBridgeLux

Toyoda

GoseiOSRAMNichiaLumileds CREE

OptoTech

CurrentPatent Dispute

Seoul Semi Toshiba

Rohm

Lite On

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SEMCO

Harvatek

Ya Hsin

Vishay

Lednium

PhosphorLicense

IP Free Industry Alliance

License

Sumitomo

(Japanese Dist)

Kingbright

UCSB

UCNC

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Citizens

Electronics

Sony (LD)

LaserDiode

OEM Agreement

CurrentPatent Dispute

Epistar

MitsubishiChemical

PendingLawsuit

Namato

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AOT

LumiMicro

Unity Opto

Itswell

Edison Opto

ProLight

Sumitomo

Kingbright

Intematix

….

- ,

-

31

MOCVD Mg

J. Cryst. Growth, 311, 867 (2009)

Side wall SiO2

Appl. Phys. Lett., 92, 092115 (2008)

Strain InGaNLED

Appl. Phys. Lett., 93, 261117 (2008)

GaN on Si using TiNtemplate

Appl. Phys. Lett., 88, 191110 (2006)

Surface plasmonoptical radiation

Appl. Phys. Lett., 89, 121120 (2006)

2 LEDwhite LED

IEEE Photon. Technol.Lett., 18, 13 (2006)

m-plane GaN LED

Appl. Phys. Lett.,91, 171110 (2007)

Appl. Phys. Lett., 90, 41906 (2007)

HfO2

Appl. Phys. Lett., 92, 72901 (2008)

Appl. Phys. Lett., 91, 051117 (2007)

Top side

R&D

32

CdSe-ZnSeInP

IEEE Photon. Technol. Lett., 18, 712 (2006)

J. Cryst. Growth, 287, 668 (2006)

AlNLEDACOperated LED

J. Cryst. Growth,298, 328 (2007)

Appl. Phys. Lett.,93, 021126 (2008)

IEEE Photon. Technol.Lett., 21, 33 (2009)

Appl. Phys. Lett., 89, 241907 (2006)

J. Cryst. Growth,298, 722 (2007)

J. Cryst. Growth,300, 172 (2007)

R&D

33

LED

,

GaN template LED

/

/

, ,

LEDWLP

AlN LEDLEDLED

LEDN- LED

,

/Droop

/

LEDLED

2 LEDAC LED

, IQE, QD, Droop

34

35

, LED

LED

36

37

: LED

38

LED

39

LED

LED

40

LED

41

HWLP

,

,

42

LED

43

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44

LED lightningAnxiety

Tension

Relaxation

Pleasure

Before irradiation

After irradiation

Awake level

45

LED :

46

47

48

Package/Array ProductsType of LCD

Portable Devices

PC Monitor

TV

- White

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49

50

51

LED 6 KS

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52

III. ….

53

Issue

”

”

”

54

Runner ?

LED Top Runner ( )

55

…

,

…

LED

56

LED

”

: Key Tech, Key !!

youngmoonyu@hanmail.netymyu@kopti.re.kr

www.slssl.org