2007년 발광 다이오드 응용분야 시장 및 기술 동향

소개글

현 발광 다이오드 시장상황과 조명 분야에 필요한 백색 광원 개발에 필수적인 수직구조 제조 기술에 관한 기본 원리 및 기술 동향

목차

Markets for High Brightness-LEDs
LCD BLU Light Source
Light Source (Current Status)
White Light LED Devices
Efficiency for White Light LED
Vertical Structure for LED
Core Technologies for Vertical LED
Current Developed Technologies
Technologies published (I)

본문내용

CCFL
(Cold
Cathode
Fluorescent
Lamp)

High Efficiency
Reliability

Complexity
Slow Response Time (ms)
Hg Usage
Low Color Gamut
Individual Driving Unit

Simple Driving Unit
Low Cost
High Color Gamut

EEFL
(External
Electrode
Fluorescent
Lamp)

Low Cost
Low Power Consumption
Long Lifetime

Small Size
Low Reliability
Hg Usage
Narrow Bezel

Large Size

FFL
(Flat
Fluorescent
Lamp)

Hg Free
Stable Lighting
Long Lifetime

Wall Plug Efficiency (%, WPE) = Optical Power Out/Electric Power In
External Quantum Efficiency (%, EQE) = Photons Out/Electrons In
Internal Quantum Efficiency (%, IQE) = Internally Photons Generated/Electrons In
Extraction Efficiency (%, ηext) = Photons Out/Photons Generated
Electrical Efficiency (%, ηv) = Photon Energy/Applied Voltage (X Electron Charge)
Optical Luminous Efficacy (lm/Wo, εo) = Lumens out / Optical Watt Out
Electrical Luminous Efficacy (lm/We, εe) = Lumens out / Electrical Power In

참고 자료

Strategies in light 2007
Display Search 2006
Osram OS