Abstract: A light source device includes: a combined body including light emitting portions including: a first light emitting portion including 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 including 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.

Abstract: A light emitting module includes a light source, a first lens configured to transmit light from the light source and including at least a portion that is elastically deformable, and an actuator configured to move the first lens in a direction along an optical axis of the first lens. The light source includes a contact portion with which the first lens comes into contact. The actuator is configured to move the first lens to change a state of the first lens relative to the contact portion of the light source.

Abstract: A light source device includes: a plurality of light emitting parts arranged in a matrix, each having an upper surface that includes a light emitting surface, each of the light emitting parts being configured to emit light from the light emitting surfaces and at least one of the light emitting parts being configured to be individually turned on, wherein: each of the light emitting parts includes: a light emitting element, a wavelength conversion member covering the upper surface of the light emitting element, and a light-reflective member covering lateral surfaces of the light emitting element wavelength conversion member, and the light-reflective members of the light-emitting parts are directly adjacent to each other; and an optical lens located above the light emitting surfaces of the light emitting parts, the optical lens including: a first surface including a plurality of incident regions, and a second surface including a plurality of emission regions.

Abstract: A light source device includes: a plurality of independently operable light emitting devices; a first lens having a lower face that faces the light emitting devices, and an upper face opposite the lower face. The lower face of the first lens includes: an entrance part located in a center of the lower face where light from the light emitting devices enters, and a light guide part located outward of the entrance part and configured to guide the light entering the entrance part. The upper face of the first lens comprises a plurality of annular protruding portions.

Abstract: A light source device includes: a plurality of independently operable light emitting devices; a first lens facing the light emitting devices; and a second lens facing the first lens. A lower face of the first lens facing the light emitting devices includes: an entrance part located in a center where light from the light emitting devices enters, and a light guide part located outward of the entrance part and configured to guide light entering the entrance part. A lower face of the second lens facing the first lens includes a Fresnel lens face including a plurality of annular protruding portions.

Abstract: A light-emitting device includes: a light-emitting unit having a light-emitting surface; a light guide member configured to guide light from the light-emitting unit, the light guide member having a first surface that includes an incident portion on which light from the light-emitting unit is incident, and a second surface from which the light exits, the second surface including a plurality of concentric protrusions; and a movement mechanism configured to move the light guide member such that the incident portion and the plurality of concentric protrusions move together relative to the light-emitting unit in a first direction that intersects a center axis of the light-emitting surface.

Abstract: A light source device includes: light emitting parts arranged in a matrix, each having an upper surface that includes a light emitting surface, each of the light emitting parts being configured to emit light from the light emitting surfaces and at least one of the light emitting parts being configured to be individually turned on, wherein each of the light emitting parts includes a light emitting element, a wavelength conversion member covering the upper surface of the light emitting element, and a light-reflective member covering lateral surfaces of the light emitting element and lateral surfaces of the wavelength conversion member, and wherein the light-reflective members of the light-emitting parts are directly adjacent to each other; and an optical lens located above the light emitting surfaces of the light emitting parts. Sizes of the light emitting surfaces of at least some of the light emitting parts are different from each other.

Abstract: A light source device includes: a light emitting device having an upper face including a light emission face; and a first lens having a lower face that faces the light emitting device, and an upper face opposite the lower face. The lower face of the first lens includes: an entrance part located in a center of the lower face where light from the light emitting device enters, and a light guide part located outward of the entrance part and configured to guide the light entering the entrance part. The upper face of the first lens includes a plurality of annular protruding portions.

Abstract: A light source device includes: a plurality of independently operable light emitting devices; a first lens facing the light emitting devices; and a second lens facing the first lens. A lower face of the first lens facing the light emitting devices includes: an entrance part located in a center where light from the light emitting devices enters, and a light guide part located outward of the entrance part and configured to guide light entering the entrance part. A lower face of the second lens facing the first lens includes a Fresnel lens face including a plurality of annular protruding portions.

Abstract: A light source device includes: a light emitting device having an upper face comprising a light emission face; a first lens facing the light emitting device; and a second lens facing the first lens. A lower face of the first lens facing the light emitting device includes an entrance part provided in a center of the lower face where light from the light emitting device enters, and a light guide part provided on an outside of the entrance part to guide the light entering the entrance part. A lower face of the second lens facing the first lens includes a Fresnel lens face composed of a plurality of annular protruding portions.

Abstract: A light-emitting device includes: a light-emitting unit having a light-emitting surface; a light guide member configured to guide incident light from the light-emitting unit, the light guide member including: a total reflection portion configured to reflect the incident light from the light-emitting unit, and a Fresnel lens portion where light reflected by the total reflection portion is incident; and a movement mechanism configured to move the light guide member relative to the light-emitting unit in a direction that intersects a center axis of the light-emitting surface.

Abstract: A light emitting module includes: a substrate; a first light source mounted on the substrate, the first light source comprising a first light emitting element configured to emit first light, a light reflecting member surrounding lateral faces of the first light emitting element, and a first wavelength conversion member configured to convert a wavelength of a portion of the first light and to emit second light, such that the first light source is configured to output light that includes the first light and the second light, the first wavelength conversion member covering the first light emitting element and extending out from the lateral faces of the first light emitting element when viewed from above; and a first lens on which the light output from the first light source is incident.

Abstract: A light-emitting module includes: a first light source unit including: a first light source, and a first lens on which light emitted from the first light source is incident; a driver configured to rotate the first lens; and a controller configured to, conjunctively with the driver, control an output of the first light source. A central axis of light emitted from the first lens is oblique to a rotation axis of the first lens. The controller is configured to control the output of the first light source according to a position along a trajectory of the central axis of the light emitted from the first lens.

Abstract: A light source device includes: light emitting parts arranged in a matrix, each having an upper surface that includes a light emitting surface, each of the light emitting parts being configured to emit light from the light emitting surfaces and at least one of the light emitting parts being configured to be individually turned on, wherein each of the light emitting parts includes a light emitting element, a wavelength conversion member covering the upper surface of the light emitting element, and a light-reflective member covering lateral surfaces of the light emitting element and lateral surfaces of the wavelength conversion member, and wherein the light-reflective members of the light-emitting parts are directly adjacent to each other; and an optical lens located above the light emitting surfaces of the light emitting parts. Sizes of the light emitting surfaces of at least some of the light emitting parts are different from each other.

Abstract: A light source device includes a plurality of light emitting parts, a first lens, and an optical lens. Each light emitting part is configured to emit light from the light emitting surface at a first full-width half-maximum and is configured to be individually turned on. The optical lens has a first surface including incident regions and a second surface including emission regions. A minimum distance between the first surface of the optical lens and the first lens is 0.1 mm or more and 1.0 mm or less. A light emitted from each of the light emitting parts enters the optical lens through the first lens, the light being emitted from the first lens at a second full-width half-maximum smaller than the first full-width half-maximum, such that lights emitted from two or more of the light emitting parts are irradiated to two or more corresponding irradiation regions.

Abstract: A light emitting module includes: a substrate; a first light source mounted on the substrate, the first light source comprising a first light emitting element configured to emit first light, a light reflecting member surrounding lateral faces of the first light emitting element, and a first wavelength conversion member configured to convert a wavelength of a portion of the first light and to emit second light, such that the first light source is configured to output light that includes the first light and the second light, the first wavelength conversion member covering the first light emitting element and extending out from the lateral faces of the first light emitting element when viewed from above; and a first lens on which the light output from the first light source is incident.

Abstract: A light source device includes: a mounting board; a plurality of light-emitting parts disposed on the mounting board, each of the plurality of light-emitting parts being configured to be individually turned on; a light-shielding member defining an opening; and a light-guide member supported by the light-shielding member, the light-guide member comprising a Fresnel lens portion, wherein, in a top view, the Fresnel lens portion is located within an area of the opening of the light-shielding member. In the top view, irradiation areas of the respective light-emitting parts are at least partially separated from each other.

Abstract: A light emitting module includes: a first light source comprising a first light emitting element configured to emit first light, and a first wavelength conversion member configured to convert a wavelength of a portion of the first light and to emit second light, such that the first light source is configured to output light that includes the first light and the second light; a first lens on which the light output from the first light source is incident; a drive unit configured to change a distance between the first lens and the first light source so as to change an amount of outgoing second light from the first lens; a second light source configured to output light having a chromaticity that is different from that of the light output from the first light source; and a second lens on which the light output from the second light source is incident.

Abstract: A light-emitting device includes: a light-emitting unit having a light-emitting surface; a light guide member configured to guide incident light from the light-emitting unit, the light guide member including: a total reflection portion configured to reflect the incident light from the light-emitting unit, and a Fresnel lens portion where light reflected by the total reflection portion is incident; and a movement mechanism configured to move the light guide member relative to the light-emitting unit in a direction that intersects a center axis of the light-emitting surface.

Abstract: A light emitting module includes: a first light source comprising a first light emitting element configured to emit first light, and a first wavelength conversion member configured to convert a wavelength of a portion of the first light and to emit second light, such that the first light source is configured to output light that includes the first light and the second light; a first lens on which the light output from the first light source is incident; a drive unit configured to change a distance between the first lens and the first light source so as to change an amount of outgoing second light from the first lens; a second light source configured to output light having a chromaticity that is different from that of the light output from the first light source; and a second lens on which the light output from the second light source is incident.