# US 10,871,271 B2 · Diverging TIR facet LED optics producing narrow beams with color consistency > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,871,271 B2 - Document ID: US10871271B2 - Status: Granted - Kind: B2 - Application number: 16/153,231 - Filed: 2018-10-05 - Published: 2020-04-09 - Granted: 2020-12-22 - Earliest claimed: 2018-10-05 - Assignees: Tempo Industries, LLC - Applicants: Tempo Industries, LLC - Inventors: Chris Latsis; Dennis Pearson; Michael D. Bremser; Thomas Lueken - Web page: https://patentgrep.com/patent/US10871271B2 ## CPC - F21V 13/04: the elements being reflectors and refractors {(for vehicle rear lights F21S43/40)} - G02B 19/0061: {the light source comprising a LED} - F21V 5/04: of lens shape - F21V 7/0091: {using total internal reflection} - F21Y 2115/10: Light-emitting diodes [LED] - 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 - 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 ## Abstract An LED optic having a first lens positioned below an LED within a lower collecting lens at a top end of a TIR lens portion, the TIR lens portion having an array of flat diverging TIR facets, beneath which is located an array of parabolic beam reflecting TIR facets. A second lens is positioned beneath the first lens and the array of parabolic beam reflecting TIR facets and is surrounded by an angle-matched refracting lens formed at the lower end of the array of parabolic beam reflecting TIR facets. ## Claims ### Claim 1 An LED optic comprising: a plurality of groups of first flat TIR facets arranged down a side of the optic, wherein each flat TIR facet has a face which is a linear segment in section without peaks or depressions and comprises a frustum of a right circular cone centered on a central axis of the optic; each group of first flat TIR facets containing a plurality of flat TIR facets arrayed linearly adjacent one another down said side, the flat face of each flat TIR facet of a group joining an upper end and a lower end of the facet, wherein a lower end of a first flat TIR facet of a group lies adjacent the upper end of a second flat TIR facet of that group positioned beneath it, the respective adjacent ends being defined by a discontinuity which is circular and extends 360 degrees around the optic and is centered about the central axis of the optic and lies in a plane perpendicular to that axis; an angle matched refracting lens disposed beneath said plurality of groups of first flat TIR facets and comprising a plurality of second refractor facets separated from each other by a circular discontinuity; and wherein each flat TIR facet of each group of first flat TIR facets is configured to diverge light incident thereupon and wherein each group of flat TIR facets is configured to direct light onto a respective one of the second refractor facets of the angle matched refracting lens. ### Claim 2 (depends on 1) The LED optic of claim 1 further comprising a plurality of parabolic facets located on the side of the optic and below the plurality of groups of first flat TIR facets, the plurality of parabolic facets being parabolic in side section and configured to direct light onto one of the second facets of the angle matched refracting lens. ### Claim 3 (depends on 1) The LED optic of claim 1 further comprising a first lens and a second lens disposed beneath the first lens, the second lens being surrounded by the angle matched refracting lens, the first lens and second lens being configured to redirect diverging beams of light exiting from a surface of an LED and received by the first lens. ### Claim 4 (depends on 2) The LED optic of claim 2 further comprising a first lens and a second lens disposed beneath the first lens, the second lens being surrounded by the angle matched refracting lens, the first lens and second lens being configured to redirect diverging beams of light exiting from a surface of an LED and received by the first lens. ### Claim 5 (depends on 3) The LED optic of claim 3 wherein the first lens is positioned within an upper collecting optic, the upper collecting optic being configured to direct light from the LED onto the plurality of groups of first flat TIR facets. ### Claim 6 (depends on 4) The LED optic of claim 4 wherein the first lens is positioned within an upper collecting optic, the upper collecting optic being configured to direct light from the LED onto the plurality of groups of first facets. ### Claim 7 (depends on 5) The LED optic of claim 5 further comprising a lower collecting lens positioned between the upper collecting optic and the first lens and configured to project light from the LED onto the angle matched refracting lens. ### Claim 8 (depends on 6) The LED optic of claim 6 further comprising a lower collecting lens positioned between the upper collecting optic and the first lens and configured to project light from the LED onto the angle matched refracting lens. ### Claim 9 (depends on 1) The LED optic of claim 1 wherein a second facet of the angle matched refracting lens is configured to produce an output beam having a 10 degree spread. ### Claim 10 (depends on 1) The LED optic of claim 1 wherein each second facet of the angle matched refracting lens is configured to produce an output beam having a 10 degree spread. ### Claim 11 (depends on 1) The LED optic of claim 1 having an external reflector cone attached about a perimeter of a front surface of the LED optic. ### Claim 12 (depends on 11) The LED optic of claim 11 further comprising one or more external side baffles positioned to control lateral light emitted from the LED optic. ### Claim 13 An LED optic comprising: a first lens adapted to be positioned below an LED, the first lens being positioned within a lower collecting lens and an upper collecting optic and above a second lens, the first lens, the lower collecting lens and upper collecting optic being positioned at a top end of a second lens portion, wherein the second lens portion has a first side section bearing a plurality of groups of flat TIR facets, each flat TIR facet being configured to diverge light incident thereupon; wherein the second lens portion further has a second side section of parabolic beam-reflecting TIR facets each of which is parabolic in side section, the second side section of parabolic facets being located below the first side section bearing the plurality of groups of flat TIR facets; a horizontally disposed angle-matched refracting lens positioned at an end of the second side section of parabolic TIR facets, the angle-matched refracting lens surrounding said second lens; and wherein each flat TIR facet has a face which is a linear segment in section without peaks or depressions and comprises a frustum of a right circular cone formed about a central axis of the optic. ### Claim 14 (depends on 13) The LED optic of claim 13 having an external reflector cone attached about a perimeter of a front surface of the LED optic. ### Claim 15 (depends on 14) The LED optic of claim 14 further comprising one or more external side baffles positioned to control lateral light emitted from the LED optic. ### Claim 16 (depends on 13) The LED optic of claim 13 wherein the first and second lens are configured to collimate light emitted from a front surface of the LED. ### Claim 17 (depends on 13) The LED optic of claim 13 wherein the upper collecting optic is configured to direct light onto the plurality of groups of flat TIR facets. ### Claim 18 (depends on 17) The LED optic of claim 17 wherein the lower collecting lens is configured to direct light from the LED which is not collected by the upper collecting optic. ### Claim 19 (depends on 13) The LED optic of claim 13 wherein each end of each flat TIR facet is defined by a discontinuity which is circular and extends 360 degrees around the optic and is centered about a central axis of the optic and lies in a plane perpendicular to that axis. ### Claim 20 (depends on 19) The LED optic of claim 19 wherein each first flat TIR facet is frusto-conically shaped. ### Claim 21 (depends on 13) The LED optic of claim 13 wherein the second side section of parabolic beam reflecting TIR facets is configured to direct light received from the upper collecting optic as parallel rays. ### Claim 22 (depends on 13) The LED optic of claim 13 wherein each end of each parabolic facet is defined by a discontinuity which is circular and extends 360 degrees around the optic and is centered about a central axis of the optic and lies in a plane perpendicular to that axis. ### Claim 23 An LED optic comprising: an angle matched refracting lens comprising a plurality of refractor facets located along a bottom light emitting surface of the optic and defined by a plurality of circular discontinuities; a plurality of facet groups each facet group containing a plurality of frusto-conically shaped TIR facets arranged down a side of the optic and positioned to lie beneath an LED, each facet of each group being flat so as to diverge light incident thereupon, each facet group of frusto-conically shaped flat TIR facets being configured to direct light upon a corresponding one of the plurality of facets of the angle matched refracting lens; a first spherical convex lens positioned below the LED; an upper collecting optic disposed above and radially surrounding the first spherical convex lens, the upper collecting optic having a surface located at a selected radius from a center point of light of the LED, the upper collecting optic being configured to direct light from the LED onto each of the groups of frusto-conically shaped TIR facets; and wherein each flat TIR facet has a face which is a linear segment in section without peaks or depressions and comprises a frustum of a right circular cone formed about a central axis of the optic. ### Claim 24 (depends on 23) The LED optic of claim 23 wherein each group of frusto-conically shaped TIR facets contains a plurality of flat TIR facets arrayed linearly adjacent one another down said side, the face of each flat TIR facet of a group joining an upper end and a lower end of the facet, wherein a lower end of a first TIR facet of a group lies adjacent the upper end of a second TIR facet of that group positioned beneath it, the respective adjacent ends being defined by a discontinuity which is circular and extends 360 degrees around the optic and is centered about the central axis of the optic and lies in a plane perpendicular to that axis. ### Claim 25 (depends on 24) The LED optic of claim 24 further comprising a plurality of parabolic facets located on the side of the optic and below the plurality of groups of frusto-conically shaped TIR facets, the plurality of parabolic facets being parabolic in side section and configured to direct light onto one of the facets of the angle matched refracting lens. ### Claim 26 (depends on 23) The LED optic of claim 23 wherein a facet of the angle matched refracting lens is configured to produce an output beam having a 10 degree spread. ### Claim 27 (depends on 23) The LED optic of claim 23 wherein each facet of the angle matched refracting lens is configured to produce an output beam having a 10 degree spread. ### Claim 28 (depends on 23) The LED optic of claim 23 further comprising a lower collecting lens positioned between the upper collecting optic and the first spherical convex lens and configured to project light from the LED onto the angle matched refracting lens. ### Claim 29 (depends on 25) The LED optic of claim 25 further comprising a lower collecting lens positioned between the upper collecting optic and the first spherical convex lens and configured to project light from the LED onto the angle matched refracting lens. ### Claim 30 (depends on 23) The LED optic of claim 23 further comprising a second spherical convex lens disposed beneath the first spherical convex lens, the second spherical convex lens being surrounded by the angle matched refracting lens, the first spherical convex lens and second spherical convex lens being configured to redirect diverging beams of light exiting from a surface of the LED and received by the first spherical convex lens. ### Claim 31 (depends on 25) The LED optic of claim 25 further comprising a second spherical convex lens disposed beneath the first spherical convex lens, the second spherical convex lens being surrounded by the angle matched refracting lens, the first spherical convex lens and second spherical convex lens being configured to redirect diverging beams of light exiting from a surface of the LED and received by the first spherical convex lens. ### Claim 32 (depends on 29) The LED optic of claim 29 further comprising a second spherical convex lens disposed beneath the first spherical convex lens, the second spherical convex lens being surrounded by the angle matched refracting lens, the first spherical convex lens and second spherical convex lens being configured to redirect diverging beams of light exiting from a surface of the LED and received by the first spherical convex lens. ### Claim 33 (depends on 23) The LED optic of claim 23 wherein each facet of the angle matched refracting lens is configured to produce an output beam having a 10 degree spread. ### Claim 34 An LED optic comprising: an angle matched refracting lens comprising a plurality of refractor facets located along a bottom light emitting surface of the optic and defined by a plurality of circular discontinuities; a plurality of facet groups, each comprising a plurality of frusto-conically shaped TIR facets arranged down a side of the optic and positioned to lie beneath an LED, each facet of each facet group being flat so as to diverge light incident thereupon, each facet group of a plurality of frusto-conically shaped facets being configured to direct light upon a corresponding one of the plurality of facets of the angle matched refracting lens; a first spherical convex lens adapted to be positioned below the LED; an upper collecting optic disposed above and radially surrounding the first spherical convex lens, the upper collecting optic having a surface located at a selected radius from a center point of light of the LED, the upper collecting optic being configured to direct light from the LED onto each of the groups of frusto-conically shaped TIR facets; a plurality of parabolic facets located on the side of the optic and below the plurality of groups of frusto-conically shaped TIR facets, the plurality of parabolic facets being parabolic in side section and configured to direct light onto one of the facets of the angle matched refracting lens; a lower collecting lens positioned between the upper collecting optic and the first spherical convex lens and configured to project light from the LED onto the angle matched refracting lens; a second spherical convex lens disposed beneath the first spherical convex lens, the second spherical convex lens being surrounded by the angle matched refracting lens, the first spherical convex lens and second spherical convex lens being configured to redirect diverging beams of light exiting from a surface of an LED and received by the first spherical convex lens; wherein each group of frusto-conically shaped TIR facets contains a plurality of flat TIR facets arrayed linearly adjacent one another down said side, each flat TIR facet of a group having a flat face joining an upper end and a lower end of the facet, wherein a lower end of a first TIR facet of a group lies adjacent the upper end of a second TIR facet of that group positioned beneath it, the respective adjacent ends being defined by a discontinuity which is circular and extends 360 degrees around the optic and is centered on a central axis of the optic and lies in a plane perpendicular to that axis; and wherein the flat face of each flat TIR facet is a linear segment in section without peaks or depressions and comprises a frustum of a right circular cone centered on the central axis of the optic.