# US 2026/0076010 A1 · Lens, lens structure, and light-emitting module > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2026/0076010 A1 - Document ID: US20260076010A1 - Status: Published application - Kind: A1 - Application number: 19/317,311 - Filed: 2025-09-03 - Published: 2026-03-12 - Earliest claimed: 2024-09-09 - Assignees: Nichia Corporation - Applicants: Nichia Corporation - Inventors: Morihito YAMAMOTO - Web page: https://patentgrep.com/patent/US20260076010A1 ## CPC - H10H 29/855: Optical field-shaping means, e.g. lenses - H10H 29/24: comprising multiple light-emitting semiconductor devices - H10H 29/856: Reflecting means - H10H: INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS ## Abstract A lens includes: a first lens portion having a positive refractive power; and a second lens portion having a positive refractive power and located outward of an outer edge of the first lens portion in a top view. The first lens portion has an optical axis, a first light incident surface, and a first light exit surface located opposite to the first light incident surface. The second lens portion has a second light incident surface and a second light exit surface located opposite to the second light incident surface. In a cross section including the optical axis of the first lens portion: a lens main axis of the second lens portion is inclined with respect to the optical axis of the first lens portion such that the lens main axis has an increasing distance from the optical axis toward the second light exit surface from the second light incident surface. ## Claims ### Claim 1 A lens comprising: a first lens portion having a positive refractive power; and a second lens portion having a positive refractive power and located outward of an outer edge of the first lens portion in a top view; wherein: the first lens portion has an optical axis, a first light incident surface, and a first light exit surface located opposite to the first light incident surface; the second lens portion has a second light incident surface and a second light exit surface located opposite to the second light incident surface; and in a cross section including the optical axis of the first lens portion: the second lens portion has a lens main axis, and the lens main axis of the second lens portion is inclined with respect to the optical axis of the first lens portion such that the lens main axis has an increasing distance from the optical axis toward the second light exit surface from the second light incident surface. ### Claim 2 (depends on 1) The lens according to claim 1, wherein an inclination of the lens main axis of the second lens portion with respect to the optical axis is in a range from 30 degrees to 50 degrees. ### Claim 3 (depends on 1) The lens according to claim 1, wherein the second lens portion has an annular shape in a top view. ### Claim 4 (depends on 1) The lens according to claim 1, wherein a thickness of a boundary between the first lens portion and the second lens portion is less than a maximum thickness of the second lens portion. ### Claim 5 (depends on 1) A lens structure comprising: the lens according to claim 1; and a light-transmissive member comprising: a third lens portion disposed above the first lens portion and the second lens portion, and a support portion supporting the third lens portion. ### Claim 6 (depends on 5) The lens structure according to claim 5, wherein: the support portion has an inner lateral surface facing the second light exit surface; and a reflection portion is disposed on the inner lateral surface of the support portion. ### Claim 7 (depends on 1) A light-emitting module comprising: the lens according to claim 1; and a light source facing a first surface of the lens, the first surface comprising the first light incident surface and the second light incident surface. ### Claim 8 (depends on 7) The light-emitting module according to claim 7, wherein at least a portion of the light source overlaps the second lens portion in a top view. ### Claim 9 (depends on 7) The light-emitting module according to claim 7, wherein the light source comprises a plurality of light-emitting units. ### Claim 10 (depends on 7) The light-emitting module according to claim 7 further comprising: a light-transmissive member comprising: a third lens portion disposed above the first lens portion and the second lens portion, and a support portion supporting the third lens portion; wherein: the lens has the first surface and a second surface located opposite to the first surface; the second surface of the lens has the first light exit surface and the second light exit surface; and the third lens portion of the light-transmissive member faces the second surface. ### Claim 11 (depends on 10) The light-emitting module according to claim 10, wherein: the support portion has an inner lateral surface facing the second light exit surface of the second lens portion; a reflection portion is disposed on the inner lateral surface of the support portion; and the second lens portion is disposed inward of the reflection portion in a top view. ### Claim 12 (depends on 11) The light-emitting module according to claim 11, wherein: the light source has a rectangular shape in a top view; and the reflection portion faces a corner portion of the light source. ### Claim 13 A light-emitting module comprising: a lens comprising: a first lens portion having a positive refractive power, and a second lens portion having a positive refractive power and located outward of an outer edge of the first lens portion in a top view; and a light source; wherein: the first lens portion has an optical axis, a first light incident surface, and a first light exit surface located opposite to the first light incident surface; the second lens portion has a second light incident surface and a second light exit surface located opposite to the second light incident surface; the light source is disposed facing a first surface of the lens, the first surface comprising the first light incident surface and the second light incident surface; the second lens portion is disposed in contact with an outer edge of the first lens portion; and in a cross section including the optical axis, a boundary light beam emitted from a light-emitting point of the light source located immediately below a boundary between the first lens portion and the second lens portion, in a direction along the optical axis, exits the second light exit surface at an angle in a range from 30 degrees to 50 degrees with respect to the optical axis of the first lens portion such that the boundary light beam has an increasing distance from the optical axis, and passes through a peak point where illuminance of irradiation light from the light-emitting point is maximized on an irradiation plane that is orthogonal to the optical axis and located above the lens. ### Claim 14 (depends on 13) The light-emitting module according to claim 13 further comprising: a light-transmissive member comprising: a third lens portion disposed above the first lens portion and the second lens portion, and a support portion supporting the third lens portion; wherein: the lens has the first surface and a second surface located opposite to the first surface; the second surface comprises the first light exit surface and the second light exit surface; and the third lens portion of the light-transmissive member faces the second surface. ### Claim 15 (depends on 14) The light-emitting module according to claim 14, wherein: the support portion has an inner lateral surface facing the second light exit surface of the second lens portion; and a reflection portion is disposed on the inner lateral surface of the support portion. ### Claim 16 (depends on 15) The light-emitting module according to claim 15, wherein: the light source has a rectangular shape in a top view; and the reflection portion faces a corner portion of the light source. ### Claim 17 (depends on 15) The light-emitting module according to claim 15, wherein a traveling direction of light reflected by the reflection portion after passing through the second lens portion, in the boundary light beam, is along a traveling direction of light passing through the first lens portion, in the boundary light beam.