| Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
| IDY, SID-JC |
2024-03-08
15:20 |
Online |
online |
[Invited Talk]
Thin and Low Power 2D-Backlight Module Development with White Mini-LEDs
Ryoji Yoshimura, Takuya Nakabayashi, Seitaro Akagawa (Nichia) |
In general, blue LEDs are used for mini-LED 2D Backlights. However, we have selected to use white LEDs and applied our n... [more] |
IDY2024-21
pp.26-29 |
| IDY, IEIJ-SSL, IEICE-EID, SID-JC, IEE-EDD [detail] |
2023-01-27
14:25 |
Online |
|
Improvement of Photoluminescent Characteristics by Post Annealing in O3 atmosphere for Y4Si2O7N2:Eu3+ Red Phosphors
Rentaro Furuie, Hiroki Shinoda (TU), Takashi Kunimoto (Tokushima Bunri), Koutoku Ohmi (TU) |
A low-temperature post-annealing in O3 atmosphere has been attempted to enhance the Eu3+ activation for Y4Si2O7N2:Eu3+ r... [more] |
IDY2023-9
pp.33-36 |
| IDY, IEICE-EID, SID-JC [detail] |
2021-07-30
13:30 |
Online |
Online |
[Invited Lecture]
Design and Process of 2D-Backlight beyond HDR 5000nits
Hajime Akimoto, Atsushi Yamamoto, Hajime Washio, Taketoshi Nakano (Nichia) |
HDR 2D backlight designs and some process for each of automotive/monitor, n ote book PC mobile device, and future Realit... [more] |
IDY2021-17
pp.5-8 |
| IDY, IEICE-EID, IEIJ-SSL, SID-JC, IEE-EDD [detail] |
2020-01-23
13:50 |
Tottori |
Tottori Univ |
[Poster Presentation]
Investigation of correlation between PL temperature characteristics and charge transfer state (CTS) in Eu3+ activated red multi-anion compound phosphors
Misa Kawashima, Ken Kinoshita, Takuya Sohma, Kodai Nakamoto, Tadashi Ishigaki (Tottori Univ.), Takashi Kunimoto (Tokushima Bunri Univ.), Koutoku Ohmi (Tottori Univ.) |
Eu3+ activated red multi-anion compound phosphors, such as Y4Si2O7N2:Eu3+ (YSON), La2O3:Eu3+ (LO) and LaOF:Eu3+ (LOF), h... [more] |
|
| IDY, IEICE-EID, IEIJ-SSL, SID-JC, IEE-EDD [detail] |
2020-01-23
14:00 |
Tottori |
Tottori Univ |
[Poster Presentation]
Excitation and luminescent characteristics LaSiO2N:Eu red phosphors synthesized in NH3
KenKinoshita, Misa Kawashima, Takuya Sohma, Tadashi Ishigaki (Tottori Univ.), Takashi Kunimoto (Tokusima Bunri Univ.), Koutoku Ohmi (Tottori Univ.) |
Red Phosphor LaSiO2N:Eu has been synthesized in NH3 atmosphere. The synthesized sample shows a red emission due to Eu3+ ... [more] |
|
| IDY, IEICE-EID, IEIJ-SSL, SID-JC, IEE-EDD [detail] |
2020-01-24
10:05 |
Tottori |
Tottori Univ |
[Poster Presentation]
Effect of transition metal addition on luminescent properties of YAG:Cephosphor
Michio Arimura, Tomohiro Kwashima, Hiroko Kominami, Kazuhiko Hara (Shizuoka Univ.) |
YAG: Ce phosphor widely accepted as a phosphor for white LEDs was prepared by co-doped a transition metal, and the emiss... [more] |
IDY2020-15
pp.77-80 |
| ME, IEICE-IE, IEICE-ITS, MMS, HI, AIT [detail] |
2019-02-19
11:45 |
Hokkaido |
Hokkaido Univ. |
A Preliminary Study on Color Constancy Using Chicks as Subjects
Ai Takeuchi, Masaki Ishizuka, Masahiro Suzuki (Tokiwa Univ.), Keiji Uchikawa (Kanagawa Inst. Tech.) |
This study examined the experiments using animal subjects to reveal the mechanism of human color constancy. Previous stu... [more] |
MMS2019-12 HI2019-12 ME2019-34 AIT2019-12
pp.75-78 |
| IDY |
2017-02-24
14:10 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
[Invited Talk]
Improvement of Photodegradation of (Ca, Sr)2(Al,Si)5(O,N)8:Eu Phosphors by Composition Change and Realization of High CRI White-LEDs
Tsuneo Kusunoki, Masaki Kanno, Moriaki Abe (Dexerials Corp.) |
Nitridosilicates (Ca,Sr)2(1-x)(Aly,Si1-y)5(O,N)8:Eux are efficient and affordable red-emitting phosphors. In this study ... [more] |
IDY2017-20
pp.11-14 |
| IEICE-EID, IDY, IEE-EDD, SID-JC, IEIJ-SSL [detail] |
2016-01-29
11:25 |
Toyama |
Toyama Univ. |
Synthesis and luminescent properties of Eu2+-activated Alkaline and Alkaline Earth silicate phosphors.
Takenori Ishikawa, Takashi Kunimoto (Tokushima Bunri Univ), Dohoon Kim, Takatoshi Seto (Samsung R&D Institute Japan) |
Eu2+-activated alkaline and alkaline earth silicate phosphors Na2Ba6Si4O15:Eu2+and Li2Ca2Si5O13:Eu2+has been synthesized... [more] |
|
| IDY, IEICE-EID, SID-JC [detail] |
2015-07-30
13:25 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Realizing High-Intensity Backlight for TFT-LCDs Harmless to Eyes
Tetsuya Muraoka, Shunji Uchimura (Daiiti Inst. Tech.), Hiroaki Ikeda (Consultant) |
Edge light drives are on the mainstream in present laptop PCs, although backlight of this kind is unsuitable for outdoor... [more] |
IDY2015-32
pp.5-8 |