# US 2018/0320858 A1 · Method for producing an optical component by 3d printing, an optical component and a lighting device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2018/0320858 A1 - Document ID: US20180320858A1 - Status: Published application - Kind: A1 - Application number: 15/773,197 - Filed: 2016-10-27 - Published: 2018-11-08 - Earliest claimed: 2015-11-09 - Assignees: Philips Lighting Holding B.V. - Applicants: Philips Lighting Holding B.V. - Inventors: Erik Paul BOONEKAMP; Hendrikus Hubertus Petrus GOMMANS; Paulus Albertus VAN HAL; Coen Theodorus Hubertus Fransiscus LIEDENBAUM; Rifat Ata Mustafa HIKMET - Web page: https://patentgrep.com/patent/US20180320858A1 ## CPC - B29C 64/118: using filamentary material being melted, e.g. fused deposition modelling [FDM] - B29D 11/00: Producing optical elements, e.g. lenses or prisms (grinding or polishing of optical elements B24B; constructional form of optical elements G02B; {optical parts of spectacles G02C7/00}) - B29D 11/00355: {with a refractive index gradient} - B33Y 10/00: Processes of additive manufacturing - B33Y 80/00: Products made by additive manufacturing - F21V 5/007: {Array of lenses or refractors for a cluster of light sources, e.g. for arrangement of multiple light sources in one plane (combination of two or more refractors F21V5/008)} - F21V 5/043: {the lens having cylindrical faces, e.g. rod lenses, toric lenses} - F21V 5/10: comprising photoluminescent material - H10H 20/0363: {of optical field-shaping means} - H10H 20/855: Optical field-shaping means, e.g. lenses - B29C: SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING (making preforms B29B11/00; making laminated products by combining previously unconnected layers which become one product whose layers will remain together B32B37/00 - B32B41/00) - B29D: PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE (making granules B29B9/00; making preforms B29B11/00) - B33Y: ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - F21V: FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR - H10H: INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS ## Abstract A method for producing a light transmissive optical component (10) is disclosed. The method comprises 3D printing a stack (1) of at least two layers (2). Each layer (2) is a biconvex cylinder lens having an optical axis (OA) perpendicular to a stacking direction (S) of the stack (1). ## Claims ### Claim 1 A method for producing a light transmissive optical component, wherein the method comprises 3D printing a stack of at least two layers, wherein the at least two layers are made of materials having different indices of refraction, wherein each layer is a biconvex cylinder lens having an optical axis perpendicular to a stacking direction of the stack, and wherein the stack is 3D printed using fused deposition modeling. ### Claim 2 (depends on 1) The method according to claim 1, wherein the stack is 3D printed such that the stack is curved in the stacking direction. ### Claim 3 (depends on 1) The method according to claim 1, wherein the method comprises selecting printing processing conditions such that at least one layer has a desired aspect ratio. ### Claim 4 (depends on 1) The method according to claim 1, wherein the method comprises selecting printing processing conditions such that at least two layers have different aspect ratios. ### Claim 5 (depends on 1) The method according to claim 1, wherein the method comprises selecting printing processing conditions such that at least one biconvex cylinder lens has a desired radius of curvature. ### Claim 6 (canceled) ### Claim 7 (depends on 1) The method according to claim 1, wherein at least one layer comprises at least one of a light scattering material, a light absorbing material and a luminescent material. ### Claim 8 A light transmissive optical component that is 3D printed using fused deposition modeling, the optical component comprising a stack of two or more layers, wherein the two or more layers are made of materials having different indices of refraction, and wherein each layer is a biconvex cylinder lens having an optical axis perpendicular to a stacking direction of the stack. ### Claim 9 (depends on 8) The optical component according to claim 8, wherein the stack is curved in the stacking direction. ### Claim 10 (depends on 8) The optical component according to claim 8, wherein at least two layers have different aspect ratios. ### Claim 11 (canceled) ### Claim 12 (depends on 8) The optical component according to claim 8, wherein at least one layer comprises at least one of a light scattering material, a light absorbing material and a luminescent material. ### Claim 13 (depends on 8) A lighting device comprising at least one light source and at least one optical component according to claim 8, wherein the at least one optical component is arranged to receive light emitted by the at least one light source.