# US 2024/0200754 A1 · Light source device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2024/0200754 A1 - Document ID: US20240200754A1 - Status: Published application - Kind: A1 - Application number: 18/592,666 - Filed: 2024-03-01 - Published: 2024-06-20 - Earliest claimed: 2021-04-05 - Assignees: Nichia Corporation - Applicants: Nichia Corporation - Inventors: Norimasa YOSHIDA; Shinya MATSUOKA; Yuta OKA - Web page: https://patentgrep.com/patent/US20240200754A1 ## CPC - F21V 5/045: {the lens having discontinuous faces, e.g. Fresnel lenses} - 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 9/30: Elements containing photoluminescent material distinct from or spaced from the light source (shades F21V1/17; globes, bowls or cover glasses F21V3/08, F21V3/12; refractors F21V5/10; reflectors F21V7/26, F21V7/30; elements with provision for controlling the spectral properties or intensity F21V9/40) - F21V 13/02: Combinations of only two kinds of elements - F21Y 2105/10: comprising a two-dimensional [2D] array of point-like light-generating elements - 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 - 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 A light source device includes: a combined body comprising light emitting portions including: a first light emitting portion comprising a first light emitting element, and a second light emitting portion provided separately from and along an outer periphery of the first light emitting portion in a plan view, the second light emitting portion comprising a plurality of second light emitting elements; and a lens disposed above the combined body. The first light emitting element and the plurality of second light emitting elements are arrayed in first and second directions that are perpendicular to each other. The first light emitting element and the plurality of second light emitting elements are controllable to be lit independently. ## Claims ### Claim 1 A light source device comprising: a combined body comprising light emitting portions including: a first light emitting portion comprising a first light emitting element, and a second light emitting portion provided separately from and along an outer periphery of the first light emitting portion in a plan view, the second light emitting portion comprising a plurality of second light emitting elements; and a lens disposed above the combined body; wherein: the first light emitting element and the plurality of second light emitting elements are arrayed in first and second directions that are perpendicular to each other, the first light emitting element and the plurality of second light emitting elements are controllable to be lit independently, and the light source device is configured such that alight output of the first light emitting portion and a light output of the second light emitting portion are adjustable, and the light source device is configured to operate in a mode in which both the first light emitting portion and the second light emitting portion output light, and the light output from one of the first light emitting portion or the second light emitting portion is greater than the light output of the other of the first light emitting portion or the second light emitting portion. ### Claim 2 (depends on 1) The light source device according to claim 1, further comprising at least one wavelength conversion member located on light emitting surface sides of the second light emitting elements, wherein the at least one wavelength conversion member surrounds the outer periphery of the first light emitting portion. ### Claim 3 (depends on 1) The light source device according to claim 1, further comprising at least one wavelength conversion member, the at least one wavelength conversion member comprising a first wavelength conversion member disposed on light emitting surface sides of the plurality of second light emitting elements. ### Claim 4 (depends on 1) The light source device according to claim 1, wherein the combined body is disposed within an area of the lens in the plan view. ### Claim 5 (depends on 1) The light source device according to claim 1, wherein the lens is configured such that an amount by which the lens changes a light distribution angle of the light emitted from the first light emitting portion is greater than an amount by which the lens changes a light distribution angle of the light emitted from the second light emitting portion. ### Claim 6 (depends on 1) The light source device according to claim 1, wherein a color difference Δu′v′ between the light emitted from the first light emitting portion and the light emitted from the second light emitting portion in a CIE 1976 (L*, u*, v*) color space is 0.05 or less. ### Claim 7 (depends on 1) The light source device according to claim 1, wherein the lens is a Fresnel lens. ### Claim 8 (depends on 1) The light source device according to claim 1, wherein the combined body further comprises a reflective member disposed on lateral surfaces of each of the first light emitting element and the plurality of second light emitting elements. ### Claim 9 (depends on 1) The light source device according to claim 1, wherein the light source device is a flash light source. ### Claim 10 (depends on 1) The light source device according to claim 1, wherein exactly one lens, which is said lens, is disposed above the combined body, exactly one combined body, which is said combined body, is disposed below said lens, and an optical axis of the lens overlaps the first light emitting portion. ### Claim 11 (depends on 10) The light source device according to claim 10, wherein the lens has an incident surface in which light emitted from the combined body enters and an exit surface from which the light exits, the exit surface having a flat shape. ### Claim 12 (depends on 1) The light source device according to claim 1, wherein the light distribution includes two or more patterns of a ultra-wide angle light distribution, a wide angle light distribution, a ultra-narrow angle light distribution, and a narrow angle light distribution.