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Lightgreen ConceptLightgreenConcept12June2012
AC Direct LED Driver
Chemical Condenser-less
Transformer-less LED Driver
?????? ????? ??
?????? ?? ??
AC???? LED???? ?? ??
LightgreenConcept
12 June 2012
LGC company introduction, development information and future possibilities.
www.lightgreen.be
1

Light
Green
Concept
Making the
Smart Lighting Platform
We will be.
Concept
LGC? ??? ???LED????? ???? ?? ???????.
LightgreenConcept is a professional global network in the Solid
State Lighting field representing LED. We offer the future of the
Smart Lighting Platform by integrating technology and art.
Lightgreen Concept focuses on Green IT and lighting
design, offering unlimited innovative ideas. Digital Lighting's
Green device and Control system such as LightCoreTM and
LighteyeTM which is patent by LightgreenConcept, enormously
reduces energy power of lighting.
LightgreenConcept creates an innovative digital lighting
paradigm corresponding with the human emotions based on
sustainable green systems.
With a 'New concept which can change lives' and lead the
revolution of Light in the 21st century, LightgreenConcept is a
creative engine offering ways of an enriched lifestyle to the
mankind.
????
2

Jeong, Yeonmoon, Concepter
Lightgreen_Concept, CEO, Co-Founder
Universit�� Paris-Sud 11 (Licence professionnelle Informatique)
Wavegene Co.,Ltd, Vice President - Development of Korean army Military PDA(C4I)
Collaboration Project
Tomson SCF - Development of Military TRCV
Chuoseiki R&D Center, Tokyo Japan - NEDO Project(Japan's public management organization
promoting research and development)
Wireless probation system Alzheimer patients)
Takagi industrial (R&D) - Development of CT0 wireless module
1993 Nippon Technology - ISDN Video phone Development
Jeong.osc@gmail.com
People
Profile
26April2011LightgreenConcept
????
3

Chung, Kangwha, Concepter
Lightgreen_Concept, Co-Founder
Professor, College of Art & Design, Konkuk University
Chairman : Korea Lighting Designers Association (KALD) 2007-2011
Graduate School of Tokyo National University of Fine Art and Music [Ph.d]
Member of Seoul City Design Committee
Lighscape Master plan for Seoul Metropolitan Gov. 2000, 2004 & 2008
Lightscape plan and Lighting design with 4 gates of Seoul
[ LIGHT INSTALLATION �C VIVID RED : 2007 ] Private Exhibition, KEPCO Art Center
26April2011LightgreenConcept
kangfa@gmail.com
People
Profile
??
4

2009.8 ???? Jeong & Chung founded in Seoul
2009 Patent Pending ��Apparatus and method for transmitting media data��
Korea Parent Pending 10-2009-0091195
2010 Patent Registration ��Lighting System and Method for LED Lighting��
Korea Patent 10-0995399
-----
2011.6 ??? ??IT???? ?? [502?]
-----
----- We have Many Pending Patent, Generic LED Lighting Technology.
??, ?? ?? 9? ??, ?? ? ???? ?? ?? ???
Company History
Company History
5
????
???? ?????? [Neo Concept for LED Digital Lighting]? ????, LED????
R&D? ??? ???? ?? ???? ??? ???? ?? ???? ?????.

�� ????, ????, ???? ?? ?? ??? ??? ??IT ???? ?? ??? ???
2013? ?? ??? 11.5%? ???? ??? ??? ???
�� LED TV? ??, LED ??? ?? ??? ?? LED ??? ???? ?? ??? ?? ??? ??
??? ???? ?? ??? ???? ??? ??? ??? ??? ???
??IT ?????? / ?? ? ????
??????
6

???? ???? ???? IMS???(www.imsresearch.com)? ??? LED ??? ???
??? 2016?? 30? ?? ??? ??? ???? ??? ????.
IMS???? ��LED??? ?? ??? ??��?? ??? ????? ?? ???? ??? ?? ??
??? ???? ??? ???? ? ??? ? ??? ??? LED ????? ??? ????
???? ?? ?? ?? 2016??? ? 190? ?? ?? ???? ??? ? ?? ??? ?? 30?
?? ??? ?? ??? ???? ????.
????? ?? ?? ??? ??? ???? LED ????? ?? ??? ??? 2016?? 20?
?? ???? ??? ??? ????. ??? ????? ??? ????? ?? ?? ????
????? ?? ??? ?????? ?? ??? ?? ???? ?? ??.
? ???? ?????? ??? ?????? ??? ???(Ryan Sanderson)? ��LED ???
???? ??? ????? ???? ?? ???? ???? ?? ?????? ??? ???
?? ??. ???? LED ?? ??? ?? ?? ??? ????? ??? ????? ??? ??
???? ??? ??? ???? ?? ?? ????��? ��AC-DC ? DC-DC ???? ? ???
MOSFET? ???? ? LED ?? ??? 2016? ?? ? 10.5? ?? ??? ??? ?��???
????.
?? ???? ? ?? ??? ??????? ???? ???? ??? ?? ?? ??? 60W?
??? ???? ??? ?? ????. ????? ? ? ??? ????? ?? ??? ???
2016? ?? 10? ?? ???? ?? ???? ????. ????? ?? MOSFET ? ??? ?
LED ????? ?? ???????? ???? ?? ??? ??? ???? ??? ???.
???? : ??? LED ??? ??
??????
7

�� Green IT ??????? ?? ???? ???? ??? ? ?? ???? ??? ??, ? ???
?? ?? ?? ???, ??? ????, ????? ?? ??? ???? ??? ??, ??
????? ??????? ????? ??, ?? ????? ????? ??? ??? ? ??.
�� ?? ??? ?????? ?? ??? LED ??? ??? ???? ???? IC ?? ????
??? ?? ?? ??????? ??? ??? ??? ???.
�� ???, ????, ?????, LED ? ??? ????? ??? ? ?? PMIC ? ?? ?????
??? ??, ??, EU???? ? ????? 90% ??? ???? ??? ?? ??? 90%???
???? ??? ??? ???? ??.
??????? ????/?? ?? ?? ??/??? ????
???,???
BCDMOS ????
???, ??? ??? BCDMOS
????? ???, ??
Breakdown ??? ???, ??
Rsp ???? ??? BCDMOS
?????, Mobile, Display,
Consumer, Automotive ?? ??
?? IC chip? ?? ?? ?? ?
?
LDO(Low Drop Out), DC-DC
converter, Buck-Boost, Reset IC,
LED ?? Driver IC, IGBT ?? IC
??? ??????
???? ?? CMOS
Analog ? ????
???? ?? ?? ???
Fabless ??? ?? ??
?? ? ?? ?? ???
??.
* ?? : 2010 ????????? ?? ??? ?????????(KIAT)
???? / ???? ???
??????
8

LED? ??? 50,000 �C 150,000?? ?? ??? ???? ???, ?? ??? LED ???
???
?? ???? ???? ??? ??? ??? 20,000??? ?? ???(??Lighting
Research Center, SPIE 2009 ????). ?? LED? ?? ? ??? ??? ??? ????
???? LED???? ??? ?? ??? ??? ??? ??
LED ???? ??? PMIC? ??? : ?????? ????
??????
9
LED
LED Driver IC & Module
{(Driver Lifetime)X(LED Module),(LEDs Chip)} = LED Lamp Lifetime
AC Main
Input
50-300V
50/60Hz
��LED Driver�� : a power module to generate the voltage or current to driver LED module from AC main

Test Hours
1.1 Years
capacitanceDielectricTangent
Internal Temperature
Of Lighting Fixture
Transformer
Chemical
Condenser
10
LED ???? ??? PMIC? ??? : ?????? ????
??????
?????? ?? ??? ??? ???? ??? ????(??? 10? ??? ? ??
?????? ??? 50%? ???) . ?? LED???? ????? ??? 70??
???? ??? ??, ? ?? ???? 10,000?? ???? ??? ? ??.

?????? ???? ?????? ???????
???? ??????
?? ??
? 20%
??
??
???
?
??
???
????
?
??
???
?
??
???
2%
6-8%
2%
10%
2%
???? : 1%
?? ??
???
AC-DC?????? ?? ??(????) ?? (60W?????, ??80%? ??)
# ?? ?? ???? ?? LED? SMPS? ??, 1? ? 2?? ?????? ??? 6-8%??,
???????? ? 10%? ??? ??. ?????? ?? ? ??? ?? ???? ??? ???
??.
???? LED ???? ??? ?? (SMPS) ??
??????
11

Lightgreen ConceptLightgreenConcept12June2012 Our Concept
AC Direct LED Driving : HVUD Technology (Patent)
Digital
Technology
(HVUD)
12
LED? ??? ??? ????
AC?? SMPS?? ??(DC)?? ?? PWM?? ???? LED??
Pulsating ??? ??? ??
??? ??
LGC? AC Direct LED Driving? AC? ???? ??? ??? ?? ??? ??(???? ?? DC)? ???
???? LED? ??? ??? ??? ???? ??? ??? ??? ?? ??. ???? SMPS? ??? ???
?????? ????????? ???? ?? LED Driver ? ???? ???.

???? ??? Step-Down ?? ?? (Supertex HV9910)
LED? ??? ??? ????
13

14
???? 10-2012-0008004 (???? 2012?01?25?) ???? 2011?07?15?
??? ???? ??????? ????? ??? ???2? 277-43 ??????? ???? 502?
???? -1
LED ??? ?? ?? ?? ?? (10-1111387)

15
???? 10-2010-0018941 (???? 2011?03?02?) ???? 2010?03?03?
??? ???? ??????? ????? ??? ???2? 277-43 ??????? ???? 502?
???? -2
LED ?? ???? (10-1020597)

AC
Input
Ambient light sensor
PLC Modem Signal
V Detect
LED Driving
(4 Group)
H bridge V Up-Down Output Technology : HVUD Power Block
LGC
-P1
Key Technology
LGC-P1 : FEATURES (QFN32 Package)
Our Product
16
???? 10-2012-0008004

Lightgreen ConceptLightgreenConcept12June2012 Key Technology
LGC-P1 : FEATURES (QFN32 Package)
NON-ISOLATION Type
No Aluminum Chemical Condenser
& No Transformer
Power Factor(PF) : 0.95 over,
High Efficiency 85% Over.
ENERGY STAR Program Requirements for SSL
Luminaires : Power Supply �C Version 1.1
17
? Free input AC12~300V Range
? Un regulated DC input
? Up to 4 LED group in series
? Dimming support : Thermal surveillance
to extend LED life time, Day and night
luminance Power Configurable
? Direct connect ambient light sensor
? 125��C shutdown and selectable
temperature (60��, 65��,70��) synchronized
Dimming Function embed
? On/Off, Dimming by PLC modem
seamless attachable option (SPI)
? -40��C - +85��C
TYPICAL APPLICATIONS
? All socket type LED bulbs likes MR16,
GX53, E17 bulb & LED Driver
? LED Monitor & TV, Etc
LGC-P1
LGC Chip-Set

18
LGC-P1 : QFN32 Package
LGC Chip-Set
Key Technology
��V�� FAB 5V - 0.35um CMOS Process
2P4M (2Poly 4Metal)
Very Low Cost Process
LGC-P1 Chip Die-Size = 2.1 X 2.1 mm
25 Cent / 1 Package

1) ???????? (AC Direct LED Driving)
2) ??? : 150,000?? ?? (????? ??)
3) ??? ??? ?? (????? ? ???? ??)
4) ??? (?? : 85% ??, Power Factor (??) : 0.95??)
5) LED ??? ???? ???? ???? ??.
6) ?????? (AC 12~300V, Universal Input)
7) ???? (???? ?? : LED? ??? ????? ?? ? ??)
8) ????? ?? : LED?? ????
9) ???? (??? ??<PLC>, ?? ??<SPI>
10)???? 0~100% (Digital Dimming Control)
11)??? ??? (Flicker Free)
12)SMPS???? ?? ??? ??
LGC-P1 : FEATURES
?????
LGC-P1 Features
19

LED ??? ???? ???? ???? ??
?????
LGC-P1 Features
?? 115V(North America, 110-120V)?
??, Peak Voltage? 170V? ???
??? ??? ????(AC Direct
Driving)?? ?????? ??.
AC??
115V (170V peak)
AC
Direct
LED Driving
Chip
[LOGIN DIGITAL]
[AIC 6600]
[Innovision]
[Exclara]
[Supertex]
??CHIP
LED Array
?? ??? LED Array? ??? ??, AC????? Peak?? (V)?
?? LED? ???? ?? ??? ?????? ?? ???. ???
LED? ??? ???? ??? ???.(?? ??? ?? 55?) ??
????? ????? ???? ?? ?? ��`10V? ???
???? ??? ?? ???, LED??? ??? ???? ??
??? ?? ?? ???.
In case of
115V (170V peak)
3.1V LED
170V / 3.1 = 55 ea
In case of
220V (311V peak)
3.1V LED
311V / 3.1 = 100 ea
20

Lightgreen ConceptLightgreenConcept12June2012 Competitor
LOGIN DIGITAL (Korea)
Login-digital PMIC Module
Input : 85V~265V (by Turning)
No Electrolytic Capacitors & Transformer
120Hz, EMI Free, 3-30W variable
Working efficiency: 83%@230V
LOGIN DIGITAL? PMIC??? LGC-P1? ?? ��????????(AC Direct Driving)��? ???? ??.
????? ???? LED ??? ?? ??? ??.
LED? ??? ????? ?? ???
21
????

LOGIN DIGITAL (Korea)
1. ????? ?? ? ??? LED? ??? ????
??
2. LED? ????? ??? ?? LED? ??? ????
??? ??? ??? ????.
3. ?? LED? ?? ? ????? ?? ?????
??? ????.
4. LED??? 120Hz ???? ???. (60Hz? ??,
8.3ms ??? ?2ms? ???? ???. 25%???)
5. Dimming ???
6. LED ??? ????? ??? ?? ???? ???
???? ??? ??? ???? ?? ???? ?
??? ??? ??? ??? ???.
7. LOGIN DIGITAL? ??? ??? LED??? ????
?? ????? ?? [????]? ???. ��
8. �C??83%��PF��0.93
LED? ??? ????? ?? ???
LED? ???? ??? ? ??.
22
Competitor
????

LOGIN DIGITAL? ??? ????? ?? ??? ??? ???? ?? ???. ????? ??
??? ???? LED??? ??? ?. ????? ?? LED? ??? ???.
220V(Peak=275V)? ?? LED? ??? 84?. ?? 5W-8W ??? ??? LED??? ?????
???? ?? ??.
- 10V to 500V Supply Voltage Range
- Thermal Regulation
- Fixed Current Operation: 15mA, 20mA, 25mA, 30mA and 35mA
AIC 6602 (Taiwan)
LED? ??? ????? ?? ???
23
Competitor
????

Innovision DCL1248 / DCL2248 (Korea)
AC to DC Constant Current Driver.
No Transformer.
No External Bridge Rectifier (External Optional).
Wide input range : 180VAC~240VAC
20mA Constant Current LED Driving
Over 0.92 Power factor .
Four Tap switching structure to improve power factor.
PWM Dimming Control.
100KHz to 250KHz Digital PLL, Auto Frequency Control for
Synchronize
with 50Hz/60Hz AC Input
LED protection by constant current driving and power
compensation
Operating Temperature : -40`C ~ 85`C
Small package QFN 48pin, 6mm x 6mm
LED? ??? ?? ???? ??.
Driver Chip? ??? ??.
24
Competitor
????

EXCLARA HVX Solution (America)
LED? ??? ????? ?? ???
25
Competitor
????

SUPERTEX (America) CL8800
LED? ??? ????? ?? ???
????? Valley Fill ??? ???.
26
Competitor
????

120Hz Frequency Flicker
120Hz Frequency Flicker (2 m/sec Off)
27
?????? (Flicker Free)
?????
LGC-P1 Features

28
?????
LGC-P1 Features
�ձ��򹤘I��Ҏ�� JEL 801
�� L �Υԥ�ڽ� GX16t-5 ��ֱ��Σ̣ţĥ��ץ��ƥ� (һ��)��

?????
LGC-P1 Features
LED??? ??? ??? ?? ? ???? LED???
???? LED? ??? ???? ??? ??
PWM??? Boost??.
????? LED? ??? ?? ???? LED? ???
??? ???? ?????. ????? ???? ??
???.
Boost��
·
Boost?? ??
??? ????? ?? ???????(???????)
29

Acrich-2
120Hz Ripple
(Light Output)
Off-Time
???? ???. ????? ? 1ms
LightgreenConcept4May2012
30

LGC-P1
120Hz Ripple
(Light Output)
?? ??? ????, ???? ??
LightgreenConcept4May2012
31

LED Light for Smartgrid Paradigm
LED Module
Powerline
?????? ??? LED? ????,
????? ???? ?? ???? ???
??? ????? ??? ?? ??????
???? ??? ?.
* Control Center
** Individual & Group Control
LGC-P1 + PLC
Wired
32
?????? ?? : ?????, Zigbee ?? ????
?????
LGC-P1 Features

1) LED Quantity fixed by AC peak Voltage. Ex) AC 220V (Peak Voltage 311V /3.1V LED = 100 ea)
2) Current limit by Resistor.
3) UHV(Ultra High Voltage) Process can not high current flow. And Expensive than CMOS Process.
Login Digital AIC 6600 Innovision Exclara LGC
Universal Input(Free Voltage) X X X X O
Digital Dimming 0-100�� X X X X O
Free LED Quantity Setting X1)
X1)
X1)
X1)
O
Constant current Driving ��2)
O O ��2)
O
Communication Ready (PLC) X X X X O
LED Temp. Monitor & Control X X X X O
Ambient light sensor Input X X X X O
Wafer Process
800V Ultra High
BCD3)
800V Ultra High
BCD
800V Ultra High
BCD
800V Ultra
High BCD
CMOS
Competitor
LGC-P1 & Competitor : Comparison of Functions
AC Direct LED Driving Chip
33

Global LED-TV & LED Monitor Maker (Samsung, LG, SONY, Toshiba, Apple, Sharp,
Panasonic, Haier, etc.)
34
LGC-P1 : LED TV & Monitor Power Module
Target Market
Target Market

???? 12V,24V-100W
(200*70*45), 1.2kg
???? 24V-100W
(140*56*20), ? 300g
140
20
56
??????
without Chemical Condenser
& Magnetic Transformer
LGC-P1 LED Driver : 24V 100W Prototype
LGC-P1 24V 100W
35

36
? LED Driver 24V 100W ??
? ???? = 6,000?, ??? ? ??? = 1,500?
? ???? = 7,500?
??????
LGC-P1 LED Driver : 24V 100W Prototype
LGC-P1 24V 100W

24V 100W Class SMPS
???? Competitor
Appendix / Competitor
Mean Well(Taiwan) : 24V 100W :
SOIP(Korea) : 24V 100W :
Philips(Netherland) 100-240V 100W 24V
AEG(Germany) : 24V 100W :
24V 100W SMPS ??? ?? ????, ???? ?? 30,000?~60,000?. ???
30,000?~50,000?,
??? 25,000?~55,000? ???.
37

??? ??
?????? : KS Q ISO 9001
LGC-P1 24V 100W
38

????????
Application
39

????????
Application
40

????????
Application
B��skit : Base Lighting System
41

Lightgreen ConceptLightgreenConcept12June2012 Contact Us
#502. Arc Valley, 277-43, Seongsu-2ga
Seongdong-gu Seoul, 133-120
Republic of Korea
Telephone : +82 70 8834 1334
E-mail Enquiries : jeong.osc@gmail.com
42

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