LIGHT-EMITTING ELEMENT, LIGHT-SOURCE APPARATUS AND PROJECTION-TYPE DISPLAY APPARATUS

WIPO Patent Application WO/2011/111256

A1

Equipped is a light-source layer (4) and a directional-control layer (5) that incidences light from the light-source layer (4). The light-source layer (4) has a pair of hole-transport layers (11) disposed on a substrate (10), and an electron transport layer (13). The directional-control layer (5) includes plasmon excitation layer (15), laminated at a side opposite the substrate (10) side on the light-source layer (4), having a plasma frequency higher than a light frequency emitted from a light-source layer (4); and a wave number vector conversion layer (17) that converts and emits a surface plasmon generated by the plasmon excitation layer (15), to a predetermined angle of emergence. The plasmon excitation layer (15) is sandwiched between two layers having dielectric properties. An effective dielectric constant of an incidence side portion including an overall structure laminated on the light-source layer (4) side of the plasmon excitation layer (15) is higher than an effective dielectric constant of an emitting side portion that includes an overall structure laminated to a wave number vector conversion layer (17) of the plasmon excitation layer (15), and a medium that touches the wave number vector conversion layer (17).

NATSUMEDA MASANAO (JP)
IMAI MASAO (JP)
SUZUKI NAOFUMI (JP)
TOMINAGA SHIN (JP)

PCT/JP2010/068013

September 15, 2011

October 14, 2010

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NEC CORP (JP)
NATSUMEDA MASANAO (JP)
IMAI MASAO (JP)
SUZUKI NAOFUMI (JP)
TOMINAGA SHIN (JP)

H05B33/02; H01L33/36; H01L51/50

WO2007038070A1

2007-04-05

JP2007214260A	2007-08-23
JP2005005679A	2005-01-06
JP2006313667A	2006-11-16
JP2006339627A	2006-12-14

MIYAZAKI, Teruo et al. (JP)
Akio Miyazaki (JP)

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