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; and 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 coming from the light-emitting element, a sidewall extending along a peripheral edge of the upper portion and having an outer lateral surface on which a projected portion is formed, and a recess defined by the upper portion and the sidewall. The projected portion 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 method of manufacturing a covering member includes: providing a first light-reflective member comprising a through-hole, the through-hole having first and second openings; arranging a light-transmissive resin containing a wavelength-conversion material within the through-hole; distributing the wavelength-conversion material predominantly on a side of the first opening of the through-hole within the light-transmissive resin; and after the step of distributing the wavelength-conversion material, removing a portion of the light-transmissive resin from a side of the second opening of the through-hole.

Abstract: A lens includes a cover part and a light-shielding part. The cover part includes a lens part, a connection part, and a flange part which are formed of a thermosetting first resin and continuous to one another. The light-shielding part covers an outer lateral side of the connection part and is formed of a second resin having a greater light-absorptance or a greater light-reflectance than the first resin.

Abstract: A light source device includes: a light-shielding member defining an opening; a light-guide member located in the opening in a top view and including two or more divided lens portions; and a plurality of light-emitting parts disposed such that each of the plurality of light-emitting parts corresponds to a respective one of the lens portions, each of the plurality of light-emitting parts being configured to be individually turned on. Each of the light-emitting parts has an upper surface serving as a light-emitting surface. The two or more lens portions are Fresnel lenses. Irradiation areas corresponding to the light-emitting parts are at least partially different from each other.

Abstract: A method of manufacturing a covering member includes: providing a first light-reflective member comprising a through-hole, the through-hole having first and second openings; arranging a light-transmissive resin containing a wavelength-conversion material within the through-hole; distributing the wavelength-conversion material predominantly on a side of the first opening of the through-hole within the light-transmissive resin; and after the step of distributing the wavelength-conversion material, removing a portion of the light-transmissive resin from a side of the second opening of the through-hole.

Abstract: A light source device includes: a light-shielding member defining an opening; a light-guide member located in the opening in a top view and including two or more divided lens portions; and a plurality of light-emitting parts disposed such that each of the plurality of light-emitting parts corresponds to a respective one of the lens portions, each of the plurality of light-emitting parts being configured to be individually turned on. Each of the light-emitting parts has an upper surface serving as a light-emitting surface. The light-shielding member covers a portion of the light-emitting surface of at least one of the plurality of light-emitting parts in the top view. Irradiation areas corresponding to the light-emitting parts are at least partially different from each other.

Abstract: A light source module includes: a light source having an upper surface comprising a light emission surface; and a light-guide member comprising a lens portion having a central axis. The lens portion includes: a concave incidence surface facing the light emission surface of the light source; a reflection surface disposed outside the incidence surface, the reflection surface being configurd to reflect part of light entering through the incidence surface, and being inclined at an angle of 45 degrees or more from a direction perpendicular to the central axis; and exit surface. The incidence surface includes: a first incidence area having four-fold symmetry about the central axis and having a curved concave shape in a cross section containing the central axis; and a second incidence area having a curved convex shape in a cross section rotated 45 degrees from the first incidence area and containing the central axis.

Abstract: A light emitting device includes a base member including a resin-molded body having an upper surface, a lower surface and a front surface, and formed with a groove-shaped recess in the front surface across the front surface from the upper surface to the lower surface. A lead can be embedded in the resin-molded body. A light emitting element is provided, and can include a light emitting element chip and a reflecting layer limiting a light-emitting region to a predetermined range. The reflecting layer can be disposed on or over a side surface of the light emitting element. The light emitting element is disposed on a bottom surface of the recess such that the reflecting layer is spaced apart from a side wall of the recess.

Abstract: A light-emitting device includes: a plurality of light-emitting elements arranged in an array on a base member; and a compound eye lens that includes a plurality of lens parts disposed above the base member and facing the plurality of light-emitting elements. The plurality of light-emitting elements are arranged such that each of the plurality of light-emitting elements faces a corresponding one of the lens parts, and a center of each of the plurality of light-emitting elements is offset from a lens center of the corresponding one of the lens parts of the compound eye lens in a direction toward a center of the compound eye lens in a plan view. The plurality of light-emitting elements include first light-emitting elements and second light-emitting elements that are alternately arranged, wherein an emission color of the first light-emitting elements is different from an emission color of the second light-emitting elements.

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 lens includes a cover part and a light-shielding part. The cover part includes a lens part, a connection part, and a flange part which are formed of a thermosetting first resin and continuous to one another. The light-shielding part covers an outer lateral side of the connection part and is formed of a second resin having a greater light-absorptance or a greater light-reflectance than the first resin.

Abstract: A light source module comprising: a light source having an upper surface comprising a light emission surface; and a light guide member including a lens portion having a central axis that extends through a center of the light emission surface. The lens portion includes: an incidence surface, a reflection surface, and an emitting surface. The incidence surface comprises an upper incidence region positioned on an upper side, and a lower incidence region positioned lower than the upper incidence region, in a cross section that includes the central axis. The lower incidence region has 2-fold rotational symmetry. The lower incidence region includes a first lower incidence region, and a second lower incidence region at a position rotated by 45 degrees from the first lower incidence region. A height of the second lower incidence region is greater than a height of the first lower incidence region.

Abstract: A light source module includes: a light source having an upper surface comprising a light emission surface; and a light-guide member comprising a lens portion having a central axis. The lens portion includes: a concave incidence surface facing the light emission surface of the light source; a reflection surface disposed outside the incidence surface, the reflection surface being configurd to reflect part of light entering through the incidence surface, and being inclined at an angle of 45 degrees or more from a direction perpendicular to the central axis; and exit surface. The incidence surface includes: a first incidence area having four-fold symmetry about the central axis and having a curved concave shape in a cross section containing the central axis; and a second incidence area having a curved convex shape in a cross section rotated 45 degrees from the first incidence area and containing the central axis.

Abstract: A method of manufacturing a covering member includes: providing a first light-reflective member comprising a through-hole, the through-hole having first and second openings; arranging a light-transmissive resin containing a wavelength-conversion material within the through-hole; distributing the wavelength-conversion material predominantly on a side of the first opening of the through-hole within the light-transmissive resin; and after the step of distributing the wavelength-conversion material, removing a portion of the light-transmissive resin from a side of the second opening of the through-hole.

Abstract: A light source device includes: a light-shielding member defining an opening; a light-guide member located in the opening in a top view and including two or more divided lens portions; and a plurality of light-emitting parts disposed such that each of the plurality of light-emitting parts corresponds to a respective one of the lens portions, each of the plurality of light-emitting parts being configured to be individually turned on. Each of the light-emitting parts has an upper surface serving as a light-emitting surface. The light-shielding member covers a portion of the light-emitting surface of at least one of the plurality of light-emitting parts in the top view. Irradiation areas corresponding to the light-emitting parts are at least partially different from each other.

Abstract: A light emitting device includes: a covering member including a first light-reflective member having a through-hole, and a light-transmissive resin disposed in the through-hole; a light-emitting element arranged to face the light-transmissive resin; a second light-reflective member arranged to face the first light-reflective member around the light-emitting element, the second light-reflective member covering a lateral surface of the light-emitting element; and a bonding member bonding the light-transmissive resin and the light-emitting element, the bonding member covering at least a part of the lateral surface of the light-emitting element. The light-transmissive resin contains a wavelength-conversion material distributed predominantly on either (i) a side of a lower surface of the light-transmissive resin facing the light-emitting element, or (ii) a side of an upper surface of the light-transmissive resin apart from the light-emitting element.

Abstract: A light emitting device includes a base member including a resin-molded body having an upper surface, a lower surface and a front surface, and formed with a groove-shaped recess in the front surface across the front surface from the upper surface to the lower surface. A lead can be embedded in the resin-molded body. A light emitting element is provided, and can include a light emitting element chip and a reflecting layer limiting a light-emitting region to a predetermined range. The reflecting layer can be disposed on or over a side surface of the light emitting element. The light emitting element is disposed on a bottom surface of the recess such that the reflecting layer is spaced apart from a side wall of the recess.

Abstract: A light emitting device includes a base member including a resin-molded body having an upper surface, a lower surface and a front surface, and formed with a groove-shaped recess in the front surface across the front surface from the upper surface to the lower surface. A lead can be embedded in the resin-molded body. A light emitting element is provided, and can include a light emitting element chip and a reflecting layer limiting a light-emitting region to a predetermined range. The reflecting layer can be disposed on or over a side surface of the light emitting element. The light emitting element is disposed on a bottom surface of the recess such that the reflecting layer is spaced apart from a side wall of the recess.

Abstract: A light emitting device has a lens, extended to outside of the mounting substrate on which a semiconductor a light emitting element is mounted, and leakage of light is reduced. A light emitting element, a substrate having the light emitting element mounted on its upper surface, and a lens, having a curved upper surface encloses the light emitting element and the upper surface of the substrate is included. From the bottom surface of the lens, a lower surface of the substrate is exposed. In a top view from a perpendicular direction to the upper surface of the substrate, the bottom surface of the lens includes an outer extending portion where the bottom surface is extended to outside of the substrate, and a inclined portion, which inclines with respect to a direction approximately in parallel to the upper surface of the substrate, at an end portion of the outer extending portion.