? L E D (Light Emitting Diode) - PowerPoint PPT Presentation

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? L E D (Light Emitting Diode)

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Spectrum X UV 470nm Blue 505nm Bluish Green 525nm Green InGaN 660nm Red GaAlAs AlGaInP 585nm Yellow 615nm Orange ... – PowerPoint PPT presentation

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Title: ? L E D (Light Emitting Diode)


1
? L E D (Light Emitting Diode)
2
? ?
1. LED ?? 2. LED ?? ? ?? 3. LED ?? 4. ???? LED
?? 5. ? Spectrum?? 6. LED? ?? ?? ?? 7. LED
???? 8. 05? ?? Road Map 9. LED Market Trend 10.
???? 11. ????? 12. ???? ? ??????
3
1. LED ??
? Light Emitting Diode? ??? ?? ????? ??? ?? ???
???? ??? ??? ?? ??? ??? ?? ??? ??? ??? ?? ?
???? ???? ??.
-LED ??? ??? ??(Vf)? ??? ???? ??? ??? ?? ???
???? ?? ?? ?? ? ??? ?? ??? ??. -????? ??? ???
?? ? ???? ?? ??? ????, Color?? ??? ??.
4
2. LED ?? ?? ??
EPI process Epitaxy Growth for Active layer
(Wafer ??) Fabrication Process Process
Making Chip Die from EPI wafer(?? ??)
Packaging Process Several package for
application(???)
( Lamp, SMD, Side View, Top View etc)
5
3.1. LED ?? SMD Type
6
3.2. LED ?? 7Color LED
Green chip
Au-wire
PCB Land
Zener Diode
Red chip
Epoxy resin
????
Blue chip
7
3.3. LED ?? Sideview LED
Blue chip
Flip bump ball
Au-wire
B.O.S Ball
Zener sub
Lead
8
3.4. LED ?? Lamp LED
9
3.5. White LED ?? ??
? ? ???? - 1 ???? - 2 ? ????
? ?
? ? Color ?? ?? Color ?? ?? Package?? ? ??? ??? 1?? ? ??? ?? ???? ?? Color ?? ?? ???? ?? - ??? ? ??? ?? ?? ??? ?? ???? ??? ???
10
3.5.1 White LED ?? ??
???
??? ??
Phosphor PKG
???? ?? ?? ??
????
Ag-paste
PCB
Blue ?? ?
i
Blue chip
11
4. ????? LED ??
? ? SIZE Color Image
Normal SMD LED 1608/ 0.6T 0.4T Blue White Green
7Color LED 1615/ 0.45T RGB 3chip ??
Sideview LED 2812/ 0.8T 0.6T White Bluish-white White
Flash LED 5050/ 2T 3228/ 2T White
Lamp LED Dome type 3mm (??? 80, 40) Blue ?? ??
? SMD Type ??? ?? ????, ???? ??, LTI/ Lamp LED
???
12
5.1. ? Spectrum ??
??? ? X? ? UV
??? ? ??
Material Color Peak W/L
GaP Red 700nm
GaP Green 570nm
GaP Green 557nm
GaAsP AlGaInP Amber 630nm
GaAsP AlGaInP Orange 615nm
GaAsP AlGaInP Yellow 585nm
GaAlAs AlGaInP Red 660nm
InGaN Green 525nm
InGaN Bluish Green 505nm
InGaN Blue 470nm
13
5.2. ???? ??- ?? ?? ??
???
??? ?
14
6. LED ? ??? ??
??? ?? ???? ? ?? ?? ???? ??? ? ?? ??
???? ??
15
7.1 LED ???? (???)
16
7.2. LED ???? (Lamp LED)
17
7.3. LED ????
Indicator/ 7-LED
Flash LED
?? Display Panel
???? Backlight
Key pad/ 1608Blue
18
7.4. LED ????
?? ???
19
7.5. LED ????
???? ?/?? ??
??? (????)
?? Dash board ??
20
7.6. LED ????
Full color ???
LCD Backlight
21
7.7. LED ????
???? ??
????
22
8. 05? ?? Road map
23
9. 05? Market trend
24
10. LED ??? ????
25
10.1 LED ?? ?? ??
?? ?? ?? ??(Lamp??) 05? 10.2?? ??? 2?/2?,
Cost (1/2)/2??? ?? ??? ?? - 05? ?? 30/klm
? 10/klm ??? ??? ?? ??
EU 2.7?
?? 0.8?
?? 5??
?? 0.3?
?? ??
12?
10.2?

?? ?? ?? ?? - ??? 90lm/W ?? - Cost
10/lm
5.8?
LED ??
LED ?? ?? 80/? ?? ?? ?? 3/?
0.3?
05?
10?
26
10.2 LED ?? ?? Market
2008??? LED ?? ???? ??? ???? ??? ??? ??
5.8?
  • ?? ??

Turning Point (??? ??? ??)
2.8?
  • ?? ??

1.4?
0.7?
0.5?
0.3?
  • ??/???

2005
2006
2007
2008
2009
2010
?? 24
05? ??
?? 14
  • Signage

?? 6
??/?? 7
Signage 49
  • ?? ??

?? Strategy Unlimited, Yano?????
27
10.3. LED ?? ?? ??
28
10.3. LED ?? ?? ??
29
10.3. LED ?? ?? ??
30
11.1. ??? ??
31
12.1. LED ?? ??
32
12.2. LED ?? ??
33
12.2. LED ?? ??
34
? ?? ?? ??
? ? ? ? ? ?
? ? lm(??) - ??(?????? ??? ???? ??)
?? cd(???) - ?? ??(?????? ?? ???? ???? ???? ?)
? ? lx(??) ?? ???? ?? ??? ??(1 lx? 1?? ???? 1??? ???? ??)
? ? nt(??)cd/? ?? ????? ? ??? ?? 1?? 1cd?cd/???? 1nt ?? ??. ??? ????? ????? ?? ???? ???? ???? ? ?? ??? ? ?? ?? ?????? ???? ?? ?? ?? ????? ???.
?????? W(??) - ??? ????(Catalog? ??? ???? ?? ??)
???? lm/W - ??? ???? ? ?????? ?? ?
35
? ?? ?? ??
? ? lm/W Cd/? (nit)
???? White LED, ???? ?? ??? ??? - ?????? ??? ???
??? ?? ?? ?? ?? ??? ?? ???? ???? ? ?? ?? lm??? ? ????? ????? ?? ?? ?? ?? ????? ???? lm/W ?? ?? ???????? ??? ???? ?? ?? ??? ??? ??? ??? ?? ??? ??? ?? ??? ??? ???? ???? ??? ?? ???? ???
???? - White LED? ???? 04? 8? Nichia?? ?? 50lm/W? ?? ??/ ??? ?? 60?? LCD TV, PDP TV? ?? 500cd/? 1000 cd/? ??? ?? EL? ?? SDI?? 80 cd/? ?? (??? ??? ?)
? ? ??? 85lm/w ?? LED 2550lm/w
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