Scientific Taiwan
Unless noted, the course materials are licensed under Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Taiwan (CC BY-NC-SA 2.5)
Professor Horn-Jiunn Sheen Institute of Applied
Mechanics National Taiwan
University Director,
NEMS Center
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Photonic Technology(Electro-optical technology)
LED, LCD, DVD, FVD, BR-DVD
Scientific TaiwanScientific TaiwanPhotonic TechnologyPhotonic Technology 2
wiki S-kei
LEDs emit light from a semiconductor junction. As electrons cross, they lose energy in the form of light.
What are LEDsWhat are LEDs
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White Technology 2002 2005 2007 2010 2012 2020
Efficiency 30 60 75 120 150 200
RGB White 10% 20% 25% 40% 50% 67%
Blue + Phosphor(s) White 12% 24% 30% 48% 60% 80%
UV + 3 Phosphor White 15% 30% 38% 60% 70% 100%
The wavelength (or the “color”) of the light depends on how much energy is lost.
What are LEDsWhat are LEDs
Source: Lumileds, http://www.philipslumileds.com/
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5 mm Lamp2 lm, 15W
SuperFlux4 lm, 3W
Luxeon 80 lm, 3.9W
Luxeon V120 lm, 4.8W
High Power LED
High Illuminating LED
High Illuminating LEDwiki Aney
Wiki Gophi
flicker Spirou42
flicker oskay
Some currently leading products
LED Develoopment HistoryLED Develoopment History
Scientific TaiwanScientific TaiwanPhotonic TechnologyPhotonic Technology 5
indicator
illuminator
wiki Aney
wiki Gophi
wiki J Navas
LED Structurally Different
LED Structurally Different
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【 past 】 ‧2002-2004 under the growing demand of high brightness LED, the industry
of LED has been growing with tens digits. ‧2005 due to lack of new market, it caused the disorder of supply-
demand, and the unit-price decreased sharply. The growth of LED industry is only with unit digits.
【 past 】 ‧2002-2004 under the growing demand of high brightness LED, the industry
of LED has been growing with tens digits. ‧2005 due to lack of new market, it caused the disorder of supply-
demand, and the unit-price decreased sharply. The growth of LED industry is only with unit digits.
Global/Taiwan Market Scale DevelopmentGlobal/Taiwan Market Scale Development
Source: Lumileds, http://www.philipslumileds.com/
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【 the anticipation of this market after 2007 】‧new applied products in 2007: backlight 、 LED lamp
‧according to the estimation by Strategies Unlimited in 2006, the income of the high
brightness LED in the world, from 2006 to 2012, will go up with 29.1%. It gets 8.3
billion USD.
‧It is about 100 billion USD in the whole illumination market, and it is up to 771
million USD in general illumination market.
【 the anticipation of this market after 2007 】‧new applied products in 2007: backlight 、 LED lamp
‧according to the estimation by Strategies Unlimited in 2006, the income of the high
brightness LED in the world, from 2006 to 2012, will go up with 29.1%. It gets 8.3
billion USD.
‧It is about 100 billion USD in the whole illumination market, and it is up to 771
million USD in general illumination market.
It is estimated that the general illumination will account for
8%
in the whole LED market.
Global/Taiwan Market Scale DevelopmentGlobal/Taiwan Market Scale Development
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LED Market ProportionLED Market Proportion
Source: Lumileds, http://www.philipslumileds.com/
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It is about 6.2 billion USD in the whole
LED market.
NB: 0.02%LCD TV: 0.03%
It is about 7.8 billion USD in the whole LED market.
NB: 1.22%LCD TV: 0.83%
LED Market ProportionLED Market Proportion
Source: Lumileds, http://www.philipslumileds.com/
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Fremont Street in Las Vegas
with 12 million LED
Display Panel
Projector
Display
Backlight for LCD TV
flicker RBerteig
wiki Michael Pead
wiki Piotrus
LCD TV
LED ApplicationLED Application
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Lighting Equipment
Traffic light
Streetlamp
Honda Insight Concept
Flashlight
LED Illumination in Kuwait during the Hala February celebrationwiki Noblevmy
wiki Cgwalther
wiki Mrmariokartguy
LED ApplicationLED Application
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HD DVD405nm
CD780nm
Blue-ray Disc
405nm
DVD650nm
0.1mm
0.1mm
1.2mm 0.6mm 0.6mm
Label SideLabel Side Label Side
Label Side
Optical Storage Technology EvolutionOptical Storage Technology Evolution
NTU Sheen Horn Jiunn
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CD DVDHD DVD
ROM/WritableBlu-ray
1 layer 700MB 4.7GB 15/20GB 25GB
2 layers
8.5GB 30GB/30GB 50GB
Optical Storage Technology EvolutionOptical Storage Technology Evolution
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High-Definition FVD with red Laser pickup Head can play high resolution image program
High-Definition FVD with red Laser pickup Head can play high resolution image program
FVD is the best partner of HD-TVFVD is the best partner of HD-TV
HD content
FVD- Video disc
FVD-Player
HD-TVFVD-Video disc
FVD (Forward Versatile DiskFVD (Forward Versatile Disk
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• Huge revolution in optical storage– PC Products / Consumer electronics / Gaming Consoles
• Huge capacity– 25 GB (single layer) / 50 GB (dual layer)– Future capacity to 200 GB (8 multi-layer)
• Needed for High Definition TV/video, PC data, Storage Archival, and Next Generation Video Gaming– Large Data Storage– Cinematic and High Definition Games– Broadcast and Packaged Movies / Recording HDTV wiki Ssolbergj
What’s Blu-ray Disk (BD)What’s Blu-ray Disk (BD)
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•Advanced interactivity and internet connection
•PC storage and entertainment
•Next generation, High-definition Gaming
•High-definition Camcorders
•Prepackaged High-definition movie
•Set-top recorders and players
•Blank Media
Blu-ray’s One Common Format AdvantageBlu-ray’s One Common Format Advantage
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Blu-ray DVD vs HD DVDBlu-ray DVD vs HD DVD
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Work License Author/Source
wiki S-keihttp://commons.wikimedia.org/wiki/File:PnJunction-LED-E.svg?uselang=zh-tw2011/09/09visited
wiki Aneyhttp://commons.wikimedia.org/wiki/File:Red_led_x5.jpg?uselang=zh-tw2011/09/06 visited
flicker Spirou42http://www.flickr.com/photos/spirou42/5270139004/2011/09/06 visited
flicker oskayhttp://www.flickr.com/photos/oskay/2588829229/2011/09/09visited
wiki Gophihttp://commons.wikimedia.org/wiki/File:2007-07-24_High-power_light_emiting_diodes_(Luxeon,_Lumiled).jpg2011/09/09visited
CopyrightsCopyrights
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Work License Author/Sourcewiki J Navashttp://commons.wikimedia.org/wiki/File:LED_Device.svg2011/09/09visited
wiki Piotrushttp://commons.wikimedia.org/wiki/File:Ceiling_projector_01.JPG2011/09/09visited
flicker RBerteighttp://www.flickr.com/photos/rberteig/204719391/2011/09/09visited
wiki Michael Peadhttp://commons.wikimedia.org/wiki/File:Fremont_Street_09.JPG2011/09/09visited
wiki Hatsukari715http://commons.wikimedia.org/wiki/File:Honda_Insight_Concept_03.JPG2011/09/09visited
Scientific TaiwanScientific TaiwanPhotonic TechnologyPhotonic Technology 22
Work License Author/Sourcewiki Noblevmyhttp://commons.wikimedia.org/wiki/File:LED_KOC.JPG2011/09/09visited
wiki Cgwaltherhttp://commons.wikimedia.org/wiki/File:Led_streetlight.jpg2011/09/09visited
wiki Mrmariokartguyhttp://commons.wikimedia.org/wiki/File:Flashlight_clear.JPG?uselang=zh-tw2011/09/09visited
wiki Petey21http://commons.wikimedia.org/wiki/File:Led_traffic_lights.jpg2011/09/09visited
wiki Ssolbergjhttp://commons.wikimedia.org/wiki/File:Blu-ray_disc2.png2011/09/09visited