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 source parts configured to emit light. Each of the light source parts comprises a light-emitting element and a light guiding member. the plurality of light-emitting elements are configured to emit light passing through the light guiding members from the light source parts in an array in an irradiated region. One or more of the plurality of light source parts are arranged in a placement region in a different arrangement from an arrangement of the light in the irradiated region.

Abstract: A light source device includes: a plurality of light source parts configured to emit light, in which each of the light source parts includes a light-emitting element and a light guiding member, the plurality of light source parts are disposed in a circular, planar-shaped placement region and are arranged in (i) a combination of at least a rectangular grid and a triangular grid or (ii) a concentric circular pattern, and the plurality of light source parts are configured to emit the light in a matrix pattern in an irradiated region.

Abstract: A light source device includes: a light source having an upper surface including a light-emitting surface, the light source including a plurality of light-emitting parts arranged in a two-dimensional array; a lens located above and spaced apart from the light-emitting surface of the light source, wherein the lens includes an optically functional part, and a flange part located along an outer periphery of the optically functional part; and a support part formed of a light-shielding member and configured to support at least the flange part of the lens.

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 lens includes a cover part and a light-shielding part. The cover part includes a lens part, a connection part, and a plurality of flange parts, formed with a thermosetting first resin and continuous to one another. The light-shielding part covers lateral end surfaces and an upper surface of each of the flange parts and outer lateral sides of the connection part and formed with a thermosetting second resin having a greater light-absorptance or a greater light-reflectance than the thermosetting first resin.

Abstract: A lens includes a cover part and a light-shielding part. The cover part includes a lens part, a connection part extending downward from lateral sides of the lens part, and one or more flange parts each extending outward from a lower-end portion of the connection part. The lens part and the connection part define a recess having an opening facing downward. The flange parts extend outward from a periphery of the opening of the recess. The lens part, the flange parts, and the connection part are formed of a thermosetting first resin and continuous to one another. The light-shielding part covers outer lateral surface of the connection part and is formed of a thermosetting second resin having a greater light-absorptance or a greater light-reflectance than the thermosetting first resin. The flange parts have a greater thickness than the connection part.

Abstract: A light source device includes: a light source having an upper surface including a light-emitting surface, the light source comprising a plurality of light-emitting parts arranged in a two-dimensional array; a lens located above and spaced apart from the light-emitting surface of the light source, wherein the lens comprises an optically functional part, and a flange part located along an outer periphery of the optically functional part; and a support part formed of a light-shielding material and configured to support at least the flange part of the lens. A surface area of a first surface of the optically functional part is greater than a surface area of a second surface of the optically functional part. The flange part defines at least one first recess in a surface located at a same side as the second surface.

Abstract: A method for manufacturing a light-emitting device includes: forming a cover, which comprises: sandwiching a fixing member by a molding device, injecting a light-transmissive material into a space defined in the molding device, and hardening or curing the injected light-transmissive material, wherein the formed cover comprises an upper portion, a sidewall, and a recess, the cover being integrated with the fixing member such that the fixing member projects from a part of an outer lateral surface of the sidewall; disposing a light-transmissive member on a light extraction surface of a light-emitting element to be disposed on a substrate; and disposing the cover so that the light-emitting element is housed in the recess. The fixing member is formed of a material that is deformable due to a pressing force generated in the event of an engagement with a counterpart member.

Abstract: A light source includes first and second light emission units and a light shielding member. The light emission units each includes a light emitting element having a light emission face, a wavelength conversion member disposed on the light emission face, and a light transmissive member disposed on the wavelength conversion member. The light shielding member covers a lateral face of the light emitting element and a lateral face of the wavelength conversion member. The lateral face of the light transmissive member is at least partially exposed from the light shielding member. The second light emission unit is more distant from a center of a predetermined region than the first light emission unit. The light emission face of the light emitting element in the second light emission unit is larger than the light emission face of the light emitting element in the first light emission unit.

Abstract: A light source includes a plurality of light emitting elements, a light blocking member and a plurality of light-transmissive members. The light blocking member collectively supports the plurality of light emitting elements with the light blocking member being disposed in regions between the plurality of light emitting elements and in an outer periphery region located outwardly of the plurality of light emitting elements in a plan view. An upper surface of each of the plurality of the light emitting elements is exposed from the light blocking member. The plurality of light-transmissive members include a plurality of first light-transmissive members respectively disposed on the plurality of light emitting elements, and a second light-transmissive member disposed on the light blocking member in the outer periphery region.

Abstract: A method of manufacturing a lens includes: injecting a thermosetting first resin in a first mold, and curing the thermosetting first resin, to form a cover blank having cover parts; removing a part or all parts of the first mold; arranging the cover blank in a second mold; injecting a thermosetting second resin having a greater light absorptance or a greater light reflectance than the thermosetting first resin into the second mold and curing the thermosetting second resin, to form a lens blank having a light-shielding part between adjacent ones of the cover parts; taking out the lens blank from the second mold; cutting the lens blank at the light-shielding part located between the adjacent ones of the cover parts to obtain individual lenses having lateral side walls and flange parts extending outward from lower-end portions of the lateral side walls, which are both covered by the light-shielding part.

Abstract: A light-emitting device includes a wiring board, a plurality of light-emitting elements disposed on the wiring board, a light-reflecting member covering a lateral surface of each of the plurality of light-emitting elements, a plurality of light-transmitting layers each located above an emission surface of a corresponding one of the plurality of light-emitting elements, a plurality of light-reflecting layers disposed on the plurality of light-transmitting layers, respectively, a light-diffusing layer disposed above the plurality of light-reflecting layers and the light-reflecting member, and a low-refractive-index layer located between the light-reflecting member and the light-diffusing layer, around each pair of one of the plurality of light-transmitting layers and one of the light-reflecting layers, and having a refractive index lower than that of the plurality of light-transmitting layers.

Abstract: A method of manufacturing a lens including forming a cover blank having cover parts by injecting a thermosetting first resin in a first mold and curing the thermosetting first resin, removing a part or all parts of the first mold, and arranging the cover blank in a second mold. The method further includes forming a lens blank having a light-shielding part between adjacent cover parts by injecting a thermosetting second resin having a greater light absorptance or light reflectance than the thermosetting first resin into the second mold and curing the thermosetting second resin, and obtaining individual lenses by taking out the lens blank from the second mold, and cutting the lens blank at the light-shielding part located between adjacent cover parts to obtain individual lenses each with lateral end surfaces and an upper surface of each of flange parts and lateral side walls covered by the light-shielding part.

Abstract: A light-emitting device includes: a substrate; a light-emitting element disposed on the substrate; a light-transmissive member disposed on a light extraction surface of the light-emitting element; a cover that covers the light-emitting element with a gap between the cover and the light-emitting element, the cover including: an upper portion that is transmissive to light emitted from the light-emitting element, a sidewall extending along a peripheral edge of the upper portion and having an outer lateral surface, and a recess defined by the upper portion and the sidewall; and a fixing member arranged on at least a part of the outer lateral surface of the sidewall of the cover. The fixing member is formed of a material that is deformable due to a pressing force generated in the event of an engagement with a counterpart member.

Abstract: A light-emitting device includes: a plurality of light-emitting elements arranged in an array on a base member; and a lens that comprises at least four Fresnel lenses disposed above the base member and facing the plurality of light-emitting elements. In a top plan view, a center of each of the plurality of light-emitting elements is offset from a lens center of the corresponding one of the Fresnel lenses of the lens in a direction toward a center of the lens. The plurality of light-emitting elements include at least two first light-emitting elements and at least two second light-emitting elements, wherein an emission color of the first light-emitting elements is different from an emission color of the second light-emitting elements.

Abstract: A light source includes light emission units and a light shielding member. At least one of the light emission units includes a light emitting element, a wavelength conversion member, and a light transmissive member. The light transmissive member includes a first region positioned above the light emitting element and a second region positioned outward from the first region. The second region has a thickness smaller than a thickness of the first region. The wavelength conversion member is larger than the light emission face of the light emitting element in a top view. The light shielding member is continuously disposed between adjacent ones of the light emission units and covers a lateral face of the light emitting element and a lateral face of the wavelength conversion member. A lateral face of the light transmissive member in the light emission unit is at least partially exposed from the light shielding member.

Abstract: A light source includes a plurality of light emitting elements one-dimensionally or two-dimensionally arranged, a plurality of wavelength conversion members, a plurality of first light diffusing members, a light transmitting member, a second light diffusing member, and a light shielding member. Each of the light emitting elements has a light emission surface and an electrode surface. Each of the wavelength conversion members is disposed on the light emission surface of a respective one of the light emitting elements. Each of the first light diffusing members is disposed on a respective one of the wavelength conversion members. The light transmitting member continuously covers the first light diffusing members. The second light diffusing member is disposed on the light transmitting member. The light shielding member covers lateral surfaces of the light emitting elements, lateral surfaces of the wavelength conversion members, and lateral surfaces of the first light diffusing members.

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 lens includes a cover part and a light-shielding part. The cover part includes a lens part, a connection part, and a plurality of flange parts, formed with a thermosetting first resin and continuous to one another. The light-shielding part covers lateral end surfaces and an upper surface of each of the flange parts and outer lateral sides of the connection part and formed with a thermosetting second resin having a greater light-absorptance or a greater light-reflectance than the thermosetting first resin.