Koninklijke Philips Corporation N.v.

Lumileds LLC

Lumileds Holding B.v.

Gabriel Sebastian Lozano Barbero

Marcus Antonius Verschuuren

Jaime Gomez Rivas

Abraham Rudolf Balkenende

Shunsuke Murai

Said Rahimzadeh Kalaleh Rodriguez

Rifat Ata Mustafa Hikmet

Ties Van Bommel

Dirk Kornelis Gerhardus De Boer

Manuela Lunz

Marius Gabriel Ivan

Remco Van Brakel

Ke Guo

Jaime Gómez Rivas

Said Rahimzadeh Kalaeh Rodriguez

Sunsuke Murai

Davy Louwers

Jaime GÓMEZ Rivas

There is provided an illumination device () comprising: a periodic plasmonic antenna array (), comprising a plurality of individual antenna elements () arranged in an antenna array plane, the plasmonic antenna array being configured to support surface lattice resonances at a first wavelength, arising from diffractive coupling of localized surface plasmon resonances in the individual antenna elements; a photon emitter () configured to emit photons at the first wavelength, the photon emitter being arranged in close proximity of the plasmonic antenna array such that at least a portion of the emitted photons are emitted by a coupled system comprising said photon emitter and said plasmonic antenna array, wherein the plasmonic antenna array is configured to comprise plasmon resonance modes being out-of plane asymmetric, such that light emitted from the plasmonic antenna array has an anisotropic angle distribution.

Solid state illumination device having plasmonic antenna array for anisotropic emission

There is provided an illumination device () comprising: a substrate (); an optically transmissive first layer () arranged on the substrate; a photon emitting layer (), arranged on the optically transmissive first layer and comprising a photon emitting material configured to receive energy from an energy source and to emit light having a predetermined wavelength; a periodic plasmonic antenna array, arranged on the substrate and embedded within the first layer, and comprising a plurality of individual antenna elements () arranged in an antenna array plane, the plasmonic antenna array being configured to support a first lattice resonance at the predetermined wavelength, arising from coupling of localized surface plasmon resonances in the individual antenna elements to photonic modes supported by the system comprising the plasmonic antenna array and the photon emitting layer, wherein the plasmonic antenna array is configured to comprise plasmon resonance modes such that light emitted from the plasmonic antenna array has an anisotropic angle distribution; and wherein the photon emitting layer is arranged at a distance from the antenna array plane corresponding to a location of maximum field enhancement for light out-coupling resulting from the plasmonic-photonic lattice resonances.

Spatial positioning of photon emitters in a plasmonic illumination device

There is provided an illumination device comprising: a wavelength converting layer comprising a photon emitting donor configured to absorb energy to reach an excited state, and a photon emitting acceptor; an energy source configured to provide energy to the donor such that the donor reach the excited state; wherein the donor and the acceptor are selected and arranged at a distance from each other such that non-radiative transfer of excitation energy from the donor to the acceptor occur, and wherein the acceptor is configured to emit a photon at a second wavelength after the transfer of energy; the illumination device further comprising a periodic plasmonic antenna array, arranged on the substrate and embedded within the wavelength converting layer, and comprising a plurality of individual antenna elements arranged in an antenna array plane, the plasmonic antenna array being configured to support a first lattice resonance at the second wavelength, arising from coupling of localized surface plasmon resonances in the individual antenna elements to photonic modes supported by the system comprising the plasmonic antenna array and the wavelength converting layer, wherein the plasmonic antenna array is configured to comprise plasmon resonance modes such that light emitted from the plasmonic antenna array has an anisotropic angle distribution.

Solid state illumination device based on non-radiative energy transfer

Embodiments of the invention include a semiconductor light emitting device for emitting a first light at a first wavelength and a wavelength conversion medium arranged to convert at least part of the first light into a second light at a second wavelength. The wavelength conversion medium is disposed between a periodic antenna array and the semiconductor light emitting device. The periodic antenna array includes a plurality of antennas. The periodic antenna array supports surface lattice resonances arising from diffractive coupling of localized surface plasmon resonances in at least one of the antennas.

Illumination device

There is provided an illumination device () comprising an energy source () for exciting a photon emitter; a first wavelength conversion layer () and a second wavelength conversion layer (). At least one of the first and second wavelength conversion layer comprises a periodic plasmonic antenna array comprising a plurality of individual antenna elements (). The wavelength converting medium in the wavelength conversion layer in which the antenna array is arranged comprises photon emitters arranged in close proximity of the plasmonic antenna array such that at least a portion of photons emitted from the wavelength conversion layer are emitted by a coupled system comprising the photon emitter and the plasmonic antenna array. The plasmonic antenna array is configured to support plasmonic-photonic lattice resonances at a frequency range corresponding to the wavelength range of the photon emitter in the layer in which the plasmonic antenna array is arranged, such that light emitted from the plasmonic antenna array has an anisotropic angle distribution.

Enhanced emission from plasmonic coupled emitters for solid state lighting

Proposed is an illumination device (), comprising a light source () such as an LED or a laser diode, a wavelength conversion medium () such as a phosphor, and a periodic antenna array () made of a highly polarisable material such as a metal. The light source emits primary wavelength light that at least partially is converted in secondary wavelength light by the wavelength conversion medium. The periodic antenna array is positioned in close proximity to the wavelength conversion medium and functions to enhance the efficiency of the absorption and/or emission processes in the wavelength conversion medium through the coupling of the incident primary wavelength light or the emitted secondary light to surface lattice resonances that arise from the diffractive coupling of localized surface plasmon polaritons in the individual antennas of the array. This is especially advantageous for forming low &#xe9;tendue illumination device suitable for use in projection systems, or for controlling the directionality, the polarization, and/or the color of the secondary wavelength light.

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Eindhoven, Netherlands

Gabriel Sebastian Lozano Barbero