Advance Technical Program (White LEDs-07)

First International Conference on White LEDs and Solid State Lighting
(White LEDs-07)

Monday – Friday 26-30th November 2007
Conference place: Hotel Pacific Tokyo, Tokyo, Japan
Organizer:The Illumination Engineering Institute of Japan

Registration:

http://w-leds07.eee.yamaguchi-u.ac.jp/index.html
wleds07@yamaguchi-u.ac.jp

Monday 26th November

Registration and Welcome Reception, 16:00 to 19:00 pm

Tuesday 27th November

Opening address, 10:00 to 10:25am

Session1

--- Tue. 10:40 to 11:40am

Plenary session

Chair:George Craford, Philips Lumileds (USA)

Current status of GaN-based nonpolar/semipolar/polar blue and white LEDs (plenary)

Shuji Nakamura, UCSB, (USA)

Session 2

--- Tue. 13:10 to 15:10pm

Keynote session:Overview and market outlook

Chairs:Nadarajah Narendran, RPI( USA) and Genichi Hatakoshi, Toshiba Corp./JST(Japan)

High power LEDs for solid state lighting: Status, trends, and challenges (keynote)

George Craford, Philips Lumileds (USA)

Terms and definitions of white LEDs and LED modules in general lighting (keynote)

Richard Kotschenreuther, OSRAM GmbH (Germany)

Theoretical and experimental aspects of solid state lighting based on group III nitrides (keynote)

Hiroshi Amano, Meijo Univ. (Japan)

The world wide market for high-brightness visible and white LEDs: Review and outlook(keynote)

Robert Steele, Strategies Unlimited (USA)

Session3

--- Tue. 15:25 to 17:50pm

White LED / OLED technologies for general lighting

Chairs:Ian T. Ferguson, Georgia Institute of Technologies (USA)
and Robert Steele, Strategies Unlimited,(USA)

High power white LEDs-present status and future prospects for general lighting (Invited)

Volker Härle, Osram OS (Germany)
High power white LEDs based on multi small chip structure (Invited)
Masayoshi Kanamori, Citizen electronics Co., Ltd. (Japan)

High efficient OLEDs and their application to lighting (Invited)

Takuya Komoda, MEW (Japan)

Low-cost manufacturing processes for OLEDs (Invited) (tentative)

Su-Hua Yang, GE Global Research (USA) (to be scheduled)

Organic white light-emitting diodes using fluorescent and phosphorescent materials for color tunable devices

Yasuhiro Sekimoto, Osaka Univ. (Japan)

A high-power and compact white LED module for lighting

Toshifumi Ogata, MEI (Japan)

Sophisticated solutions for the white light quality of high power LEDs

Franz Peter Wenzl, INMP (Austria)

Date:Wednesday 28th November

Session4

--- Wed. 9:00 to 11:30 am

SSL projects and prospect

Chairs:Volker Härle, Osram OS (Germany) and Hiroshi Amano, Meijo Univ.(Japan)

Semiconductor lighting project in Korea (Invited)

Young Moon Yu, KOPTI (Korea)

SSL project in China (Invited)

Wu ling, SSL alliance (China)

Nano-pendeo GaN growth of light emitting devices on silicon (Invited)

W N Wang, University of Bath (UK)

Progress and activities in solid state lighting in Taiwan (Invited)

YS Liu, National Tsing Hua Univ.(Taiwan)

Research in high luminous efficacy sources for solid-state lighting at UCSB (Invited)

Steven DenBaars, UCSB (USA)

Introduction and prospect on SSL in UK and FAST-LS (Invited) (tentative)

Robin Devonshire, Sheffield Univ. ( UK)

Session5

--- Wed. 13:00 to 14:45 pm

White LED I:Basic research / Epitaxial growth / Structure

Chair:Steven DenBaars, UCSB (USA)

Selective area growth of III-nitrides and their application for emitting devices (Invited)

Kazumasa Hiramatsu, Mie Univ. ( Japan)

Low temperature epitaxial growth of high quality GaN (Invited)

Hiroshi Fujioka, The University of Tokyo ( Japan)

Phosphor-free all-semiconductor InGaN/GaN quantum-well white-light light-emitting Diode (Invited)

C.C.Yang, National Taiwan Univ. ( Taiwan)

Advances in MOCVD production tools for SSL

R. Beccard, AIXTRON AG (Germany)

HVPE-grown III-N structures for solid-state lighting

Vladimir Dmitriev, Technologies and Devices International Inc. (USA)

Session6

--- Wed. 15:00 to 17:10 pm

White LED II:LED emitters / Characterization / Improvement / Optics / System

Chairs:Shuji Nakamura, UCSB (USA) and W N Wang, University of Bath (UK)

Excitation source for white LED: a review of 400 nm and 460 nm wavelength with different phosphors in term of efficiency and cost for general lighting application (Invited)

Chuong Tran, SemiLEDs (Taiwan)

Internal quantum efficiency of nitride-based light-emitting diodes (Invited)

Yoichi Yamada, Yamaguchi Univ.(Japan)

Recent development of high power LED chip and module for solid state lighting (Invited)

Yongjo Park, Samsung (Korea)

Present status of MQW InGaN-based LED on Si substrate (Invited)

Takashi Egawa, Nagoya Inst. Tech.(Japan)

High power and high efficiency semipolar InGaN light emitting diodes

Hitoshi Sato, UCSB (USA)

Significant enhancement of light extraction from light emitting diodes with reversed taper micro holes

Toshimitsu Kaneko, Eudyna Devices Inc.(Japan)

Poster session

--- 17:15 to 18:45pm

Banquet

--- 19:00 to 21:00pm

Date:Thursday 29th November

Session7

--- Thu. 9:00 to 10:45 am

Phosphors 

Chairs:Yoshi Ohno, NIST (USA) and Koutoku Ohmi,Tottori Univ. (Japan)

Phosphors for white LEDs in the next stage (Invited)

Hajime Yamamoto, Tokyo Univ. Tech.(Japan)

Highly efficient SiAlON-based oxynitride / nitride phosphors for white LEDs (Invited)

Rong-Jun Xie, NIMS (Japan)

High-efficient nitride phosphors for white LEDs (Invited)

Y.Q. Li, Eindhoven Univ, of Technology ( Netherlands)

Phosphor-converted high power LEDs

Regina Mueller-Mach, Philips Lumileds (USA)

Melt synthesis and characterization of LED phosphors

Kenji Toda, Niigatta Univ. (Japan)

Session8

--- Thu. 11:00 to 13:00 pm

High Ra / CRI / Measurement 

Chairs:YS Liu, National Tsing Hua Univ. (Taiwan) and Yoichiro Nakanishi, Shizuoka Univ.(Japan)

Color quality and spectral design of white LED sources (Invited)

Yoshi Ohno, NIST (USA)

New green and red phosphors for white LEDs (Invited)

Naoto Kijima, Mitsubishi Chemical Corp.(Japan)

Color appearance under LED illumination: The visual judgment of observers (Invited)

Françoise Viénot, Muséum National d'Histoire Naturelle ( France)

Theoretical analysis on color rendering properties of white LED  

Koichi Ikeda, Tokyo Univ. Sci. (Japan)

Warm white illumination with high CRI and high efficacy by combining 455 nm excited yellowish phosphor LEDs and red AlInGaP LEDs

Antony van de Ven, LED Lighting Fixtures, Inc. (USA)

Spectral design method for UV-based white LEDs with multicolor phosphor blend

Kunio Ishida, Toshiba (Japan)

Session9

--- Thu. 14:00 to 15:10 pm

Electrode / Silicone / Heat-sink

Chairs:Yi-Jen Chan, ITRI (Taiwan) and Tomonari Ishikawa, Philips Lumileds (Japan)

Current crowding effects in light emitting diodes (Invited)

Jongin Shim, Hanyang Univ. (Korea)

Silicone solution for LED packaging (Invited)

Makoto Yoshitake, Dow Corning Toray Co.,Ltd.(Japan)

Solving the process problems of delivering phosphor with a silicone

Bill B Riegler, NuSil (USA)

Development of new fabrication process of wide range AlN-Al composite for electronics heat-sink substrate  

Yoshihiro Oya Seimiya, Meisei Univ. (Japan)

Session10

--- Thu. 15:25 to 17:00 pm

Reliability / Packaging and Phosphors / Thermal

Chairs:Young Moon Yu, KOPTI (Korea) and Françoise Viénot, Muséum National d'Histoire Naturelle (France)

Reliability and photometric properties of white LED (Invited)

Nadarajah Narendran, RPI (USA)

Thermal design of high power LED packages (Invited)

Moo whan Shin, Myong Ji Univ. ( Korea)

Enhancement of luminous efficiency by random patterning of phosphors

Natalie N. Fellows, UCSB (USA)

High performance white LEDs using fluorescent microspheres

Hoi Wai Choi, Univ of Hong Kong (Hong Kong)

Near-ultraviolet LED of the external quantum efficiency over 45 % and its application tohigh-color rendering phosphor conversion white LEDs

Hiroaki Sakuta, Yamaguchi Univ. (Japan)

Session11

--- Thu. 17:15 to 18:50 pm

Assembly / Reliability / Standard / IP

Chairs:Ichiro Saito, NMIJ/AIST (Japan) and Y.Q.Li, Eindhoven Univ, of Technology (Netherlands)

High power LEDs for illumination applications (Invited)

Robert C. Walker, YEBY Associates ( USA)

Wafer level package GaN LEDs for high intensity lighting application (Invited)

Yi-Jen Chan, ITRI (Taiwan)

231-261 nm AlGaN-based deep ultraviolet light-emitting diodes fabricated on high-quality AlN buffer on sapphire

Hideki Hirayama, RIKEN (Japan)

Dependence of junction temperature and driving current upon emission spectra of LEDs

Hung-Yu Chou, National Central Univ. (Taiwan)

Aerial reduction of Eu3+ -> Eu2+ and white light generation in borosilicate lattice

Pardha Saradhi Maram, Indian (India)

Poster session

--- 19:00 to 20:30pm
(Beer and refreshment)

Date:Friday 30th November

Session12

--- Fri. 8:35 to 10:15 am

Application I (JLEDS session) 

Chair:Robin Devonshire, Sheffield Univ. (UK)

New development of LED (Invited)

Yoshinobu Suehiro, Toyoda-gosei.Co.,Ltd. (Japan)

LED unit of compact, high power and long lifetime (Invited)

Yoji Urano, MEW (Japan)

Development of high efficiency LED luminaries (Invited)

Keiichi Shimizu, Toshiba lighting & technology corporation (Japan)

Unique high bright white LED packaging systems and high reliability packaging resins (Invited)

Atsushi Okuno, Sanyu Rec Co., Ltd. (Japan)

Session13

--- Fri. 10:30 to 12:30pm

Application II 

Chairs:Robert C. Walker, YEBY Associates (USA) and Kazuhiko Hara, Shizuoka Univ. (Japan)

Measurements for LED performance and safety (Invited)

Paul Miller, NPL (UK)

Visible light communications using white LED (Invited)

Masao Nakagawa, Keio Univ. (Japan)

Solid-state lighting opportunities for the aviation market (Invited)

Jeffrey Singer, Honeywell Lighting (USA)

Development of high-power LED lighting luminaires using loop heat pipe

Chun-wei Chen, National Taiwan Univ. (Taiwan)

Recent LED and LED outdoor luminaire performance and issues

Chin-Wang Tu, Leotek Electronics (Taiwan)

Application to head lamps lighting white LEDs (tentative)

Shigetoshi Kajiyama, Koito Manufacturing Co., Ltd. (Japan)

Session14

--- Fri. 14:15 to 15:05pm

Lighting Design 

Chair:Jeffrey Singer, Honeywell Lighting (USA)

White LED lighting effects can contribute to the design of building and landscape (Invited)

Miki Matsushita, Miki Matsushita Lighting Design (Japan)

Communication design (Invited)

Satoshi Uchihara, Uchihara Creative Lighting Design INC. (Japan)

Session15

--- Fri. 15:05 to 16:25pm

New application:Fashion / Birth / Lighting / Display

Chair:Wu ling, SSL alliance (China)

The body illuminant - wearable illuminant art (Invited)

Erina Kashihara, K-one space (Japan)

Influence of music and light for birth, and future environment of delivery room(Invited)

Miyuki Kameyama, Symphonia Co., Ltd. (Japan)

The concept on fashion design on the basis of color coordination by white LED lighting (Invited)

Yumiko Mizutani,Yamaguchi Prefectural Univ. (Japan)

LED and public art (Invited)

Yumiko Kodama, Okayama Prefectural Univ. (Japan)

Session16

--- Fri. 16:40 to 18:00pm

Medical / Healing / Food / Environment

Chair:Masafumi Jinno, Ehime Univ. (Japan)

Imitating broad-band diurnal light variations using solid state light sources (Invited)

Ian T. Ferguson, GIT (USA)

Application of LEDs to fishing lights for Pacific saury (Invited)

Tamotsu Okamoto, Kisarazu National College of Technology (Japan)

Study on healing environment using green, blue and red LED and aroma (Invited)

Noriharu Miyaho, Tokyo Denki Univ. (Japan)

Renewable energy based solid state lighting - a key to economic development for the base of the pyramid and a must for millennium development goals!

Dave Irvine-Halliday, Univ of Calgary (Canada)

Concluding remark

,18:00 to 18:20pm