nature is
the source of all life.
* Company Vision: Dong-A will advance into global markets to deliver effective and affordable medical therapies to more people. To that end, we are establishing a multi-layer overseas
business platform to carry out R&D, investment and marketing functions. Our goal is to
record 40 percent of revenue from foreign sales by 2017, making Dong-A a genuinely
globa
nature sound effects}
{Cue Castle screen}
{Fade to black}
{Cue lion roar in the background, calling the animals to gather
to Pride Rock for the Ceremony.}
[THE CIRCLE OF LIFE]
[ MS: Male Singer
BS: Background Singer
FS: Female Singer (lead) ]
{Sunrise on African grassland (lightly treed), in time with
opening chant to The Circle of Life}
MS: Nants?ingonyama bagithi baba [There comes a lion]
BS:
Single junction structure
Poor efficiency(<30%)
Conversion rate ~ # of photon
Multi-layer structure
high efficiency(2times of 1st type)
Conversion rate ~ # of photon
Use photon energy
Very high(1hv → 2e)
Theoretical level
Dye electrons are excited by solar energy absorption
They are injected into the conduction band of TiO2
Get to counter-electrode (cathode) through the exter
2차 전지 산업현황
21세기 통신혁명
스마트폰 및 태블릿 PC 의 시장 성장
Digital, Mobile, Wireless
모든 전자기기의 휴대화 가속
2차 전지 발전가능성
- 2010년, 年 15% 고성장 달성
- 2020년, 시장 총 매출액 500억 $ 예상
- ESS(Energy Storage System) 시장
What is OLED?
(SM) OLED Small Molecule Organic Light Emitting Diode.
The original technology developed to exploit the light emitting property of
some organic chemicals. Has been the basis of most commercial products to
date.
What is Hybrid LED?
Hybrid LED compensate
the defect of OLED
Good color
Improved power efficiency
Low cost, large area
Flexibility
H