# US 2017/0288098 A1 · Illumination device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2017/0288098 A1 - Document ID: US20170288098A1 - Status: Published application - Kind: A1 - Application number: 15/627,246 - Filed: 2017-06-19 - Published: 2017-10-05 - Earliest claimed: 2011-01-18 - Assignees: Koninklijke Philips N.V. - Applicants: Koninklijke Philips N.V. - Inventors: Said Rahimzadeh Kalaleh Rodriguez; Jaime Gomez Rivas; Abraham Rudolf Balkenende; Marcus Antonius Verschuuren; Gabriel Sebastian Lozano Barbero; Shunsuke Murai - Web page: https://patentgrep.com/patent/US20170288098A1 ## CPC - F21K 9/64: using wavelength conversion means distinct or spaced from the light-generating element, e.g. a remote phosphor layer - C09K 11/0883: {Arsenides; Nitrides; Phosphides} - C09K 11/56: containing sulfur - C09K 11/676: {Aluminates; Silicates} - C09K 11/7769: {Oxides (C09K11/7768 takes precedence)} - C09K 11/7774: {Aluminates} - C09K 11/883: {with zinc or cadmium} - F21K 9/62: using mixing chambers, e.g. housings with reflective walls - F21V 9/08: for producing coloured light, e.g. monochromatic; for reducing intensity of light (with provision for controlling the colour F21V9/40) - F21V 9/32: characterised by the arrangement of the photoluminescent material - F21V 9/38: Combination of two or more photoluminescent elements of different materials - F21V 13/08: the elements being filters or photoluminescent elements and reflectors - G02B 5/008: {Surface plasmon devices (diffractive gratings with a pitch less than or comparable to the wavelength G02B5/1809; surface plasmons in integrated optics G02B6/1226; optical analysis of materials by means of surface plasmons G01N21/553)} - G02B 5/18: Diffraction gratings {(holographic optical elements G02B5/32, G03H; integrally combined with optical fibres G02B6/02057; for coupling light guides G02B6/34; integrally combined with optical integrated light guides G02B6/12; grating systems G02B27/44)} - H10H 20/851: Wavelength conversion means - H10H 20/8512: {Wavelength conversion materials} - H10H 20/855: Optical field-shaping means, e.g. lenses - F21Y 2115/10: Light-emitting diodes [LED] - F21Y 2115/30: Semiconductor lasers - G03B 21/204: {using secondary light emission, e.g. luminescence or fluorescence (using different colours G03B33/00; if related to video signals H04N9/3197)} - F21K: NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR - C09K: MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE - F21V: FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS - H10H: INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS - F21Y: INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED - G03B: APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR (optical parts of such apparatus G02B; photosensitive materials or processes for photographic purposes G03C; apparatus for processing exposed photographic materials G03D) ## Abstract 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. ## Claims ### Claim 1 A structure comprising: a semiconductor light emitting device for emitting a first light at a first wavelength; a wavelength conversion medium arranged to convert at least part of the first light into a second light at a second wavelength; and a periodic antenna array comprising a plurality of antennas, wherein the periodic antenna array supports surface lattice resonances arising from diffractive coupling of localized surface plasmon resonances in at least one of the antennas; wherein a distance between the wavelength conversion medium and the periodic antenna array is smaller than the wavelength of the first light or the second light. ### Claim 2 (depends on 1) The structure of claim 1 wherein the periodic antenna array supports surface lattice resonances at least at one of the first wavelength and the second wavelength. ### Claim 3 (depends on 1) The structure of claim 1 wherein the distance is smaller than 700 nm. ### Claim 4 (depends on 1) The structure of claim 1 wherein the distance is smaller than 300 nm. ### Claim 5 (depends on 1) The structure of claim 1 wherein the periodicity of the periodic antenna array is of the order of the first wavelength or the second wavelength. ### Claim 6 (depends on 1) The structure of claim 1 wherein the antennas comprise a material selected from the group consisting of a noble metal, gold, silver, copper, platinum, palladium, nickel, aluminum, and an alloy. ### Claim 7 (depends on 6) The structure of claim 6 wherein the antennas comprise a chromium adhesive. ### Claim 8 (depends on 1) The structure of claim 1 wherein the periodic antenna array is disposed on a transparent substrate. ### Claim 9 (depends on 8) The structure of claim 8 wherein the transparent substrate is stretchably controllable. ### Claim 10 (depends on 9) The structure of claim 9 wherein the stretchably controllable transparent substrate is conformed for mechanical stretching, wherein the mechanical stretching may be thermally induced, humidity induced, or electrically induced. ### Claim 11 (depends on 9) The structure of claim 9 wherein the stretchably controllable transparent substrate is conformed for mechanical stretching, wherein the mechanical stretching may be controlled by a microelectromechanical system or a liquid crystal polymer that deforms due to a phase transition. ### Claim 12 (depends on 8) The structure of claim 8 wherein the transparent substrate comprises a material showing a piezo-electrical effect. ### Claim 13 (depends on 12) The structure of claim 12 wherein the material showing piezo-electrical effect is selected from the group consisting of LiNbO3 and potassium titanyl phosphate. ### Claim 14 (depends on 8) The structure of claim 8 wherein the transparent substrate comprises a deformable polymer. ### Claim 15 A structure comprising: a semiconductor light emitting device for emitting a first light at a first wavelength; a wavelength conversion medium arranged to convert at least part of the first light into a second light at a second wavelength; and a periodic antenna array comprising a plurality of antennas, wherein the periodic antenna array supports surface lattice resonances arising from diffractive coupling of localized surface plasmon resonances in at least one of the antennas; wherein the wavelength conversion medium is disposed in an optical cavity formed by first and second mirrors. ### Claim 16 (depends on 15) The structure of claim 15 wherein the periodic antenna array supports surface lattice resonances at least at one of the first wavelength and the second wavelength. ### Claim 17 (depends on 15) The device of claim 15 wherein the first mirror is disposed between the semiconductor light emitting device and the periodic antenna array and is transparent to the first light and reflective to the second light. ### Claim 18 (depends on 15) The device of claim 15 wherein the second mirror is at least partially reflective of the second light.