Abstract: A light emitting device includes a package, a cap, a joining member and at least one laser element. The package includes a metal film. The cap includes a light-transmissive member having a lower surface facing the package and an upper surface opposite to the lower surface, and a light blocking film arranged on the lower surface of the light-transmissive member and having a shape defining at least one opening. The joining member joins a part of the light blocking film and the metal film. The at least one laser element is positioned in a space bounded by the cap and the package such that a part of an edge of the at least one opening defined by the light blocking film is disposed directly above the at least one laser element.

Abstract: A light-emitting device includes a semiconductor laser element, a wavelength conversion member, and a package. The wavelength conversion member includes a wavelength conversion portion and a reflective portion. The wavelength conversion portion includes a light incident surface and a light-emitting surface. The package includes a disposition region. The wavelength conversion member is disposed at a position away in a first direction from a position at which the semiconductor laser element is disposed. The light-emitting surface has a shape that, in a plan view perpendicular to the light-emitting surface, has a first region decreasing in width in a second direction perpendicular to the first direction from the side closest to the semiconductor laser element toward the first direction.

Abstract: A light-emitting device includes a semiconductor laser element, a wavelength conversion member, and a package. The wavelength conversion member includes a wavelength conversion portion and a reflective portion as in the specification. The wavelength conversion portion includes a light incident surface and a light-emitting surface as in the specification. The package includes a disposition region as in the specification. The wavelength conversion member is disposed at a position away in a first direction from a position at which the semiconductor laser element is disposed. In a plan view perpendicular to the light-emitting surface, the light-emitting surface has a shape that has a first region as in the specification, and a region of at least 80% or more of the light incident surface overlaps an imaginary line that passes through a point of the light-emitting surface closest to the semiconductor laser element and that is parallel to the second direction.

Abstract: A package includes: a bottom portion having a mounting surface; and a lateral wall portion having a top surface and including: a lateral wall having a rectangular outer shape in a top view and surrounding the mounting surface, and a stepped portion formed along the lateral wall below the top surface. In the top view, the stepped portion includes a wide portion and a narrow portion that are two regions having different widths. The narrow portion is formed on a portion along a one side of an entire circumference of the lateral wall.

Abstract: A light emitting device includes: a laser element; a case enclosing the laser element, the case including a light-transmissive region configured to allow light emitted from the laser element to transmit through the light-transmissive region; a first lens configured to collimate or converge light emitted from the laser element; and a second lens that is disposed in the case and spaced apart from the first lens, the second lens located in an optical path between the laser element and the first lens. The second lens is spaced apart from the light-transmissive region such that an open space is located in the case between the light-transmissive region and the second lens.

Abstract: A light emitting device includes: a base having a bottom face and a lateral part surrounding the bottom face and extending upwards from the bottom face, wherein the lateral part has an uppermost face and includes a first stepped portion including a first upper face and a second stepped portion including a second upper face, wherein the first upper face and the second upper face are disposed below the uppermost face, wherein the first upper face and the second upper face are disposed inward of the uppermost face in a top view, and wherein a height of the first stepped portion from the bottom face is lower than a height of the second stepped portion from the bottom face; a semiconductor laser element disposed on the bottom face; and a light reflective member and/or an optical member disposed on the bottom face.

Abstract: A light-emitting device includes a light-emitting element, a substrate supporting the light-emitting element, and one or more lateral wall portions joined to the substrate to surround the light-emitting element. The one or more lateral wall portions includes a first lateral wall portion having a light incident surface configured to receive a light emitted from the light-emitting element and traveling in a first direction and a light exit surface configured to emit the light. The substrate has a joint surface joined to the first lateral wall portion and a lateral surface meeting the joint surface. The lateral surface is located between the light incident surface and the light exit surface in a top view as viewed in a direction perpendicular to the joint surface.

Abstract: A light emitting device includes: a plurality of laser elements including a first laser element and a second laser element; a case enclosing the laser elements and including a light-transmissive region; and a plurality of main lenses including a first main lens configured to collimate or converge light emitted from the first laser element and a second main lens configured to collimate or converge light emitted from the second laser element. At least a first portion of the light-transmissive region is disposed on a first imaginary line passing through a light emitting end surface of the first laser element and the first main lens, and at least a second portion of the light-transmissive region is disposed on a second imaginary line passing through a light emitting end surface of the second laser element and the second main lens.

Abstract: A light emitting device includes a package, a cap fixed to the package, and at least one laser element. The cap includes a light-transmissive member having a lower surface facing the package and an upper surface opposite to the lower surface, and a light blocking film arranged on the lower surface of the light-transmissive member and having a shape which has at least one opening. The at least one laser element is disposed in a space bounded by the cap and the package at a position such that the at least one opening is irradiated by laser light emitted from the at least one laser element, at least a part of each of the at least one laser element being disposed in the at least one opening in the light blocking film in a top view.

Abstract: A light-emitting device includes, a base member having a placement surface, a light-emitting element disposed on the placement surface and configured to emit light from an emitting end surface, and a wavelength conversion member disposed on the placement surface along a direction in which the light emitted from the light-emitting element travels. The wavelength conversion member includes a wiring region that is a part of a current path electrically connected to the light-emitting element.

Abstract: A light emitting device includes: a base having a bottom face and a lateral part surrounding the bottom face and extending upwards from the bottom face, wherein the lateral part comprises a first stepped portion and a second stepped portion facing the first stepped portion; a first semiconductor laser element disposed on the bottom face and located between the first stepped portion and the second stepped portion in a top view, wherein the first semiconductor laser element is configured to emit light towards the second stepped portion; a first wiring region located on the first stepped portion; and one or more first wires, each having a first end that is connected to the first wiring region. At least one of the one or more first wires is electrically connected to the first semiconductor laser element.

Abstract: A light-emitting device includes a plurality of light-emitting elements, a photodetector, an optical member and a bonding portion. The light-emitting elements include a first light-emitting element configured to emit first light and a second light-emitting element configured to emit second light. The photodetector is configured to receive a part of light emitted from each of the light-emitting elements. The photodetector has a first bonding surface. The optical member has a second bonding surface and a first inner side surface. The first inner side surface is continuous from the second bonding surface. The light emitted from each of the plurality of light-emitting elements is configured to pass through the optical member. The bonding portion bonds the photodetector and the optical member with the bonding portion being in contact with the first bonding surface, the second bonding surface, and at least a part of the first inner side surface.

Abstract: A light emitting device includes a base, a first semiconductor laser element, a second semiconductor laser element, a lens member, and a waveplate. The base has a bottom part. The first semiconductor laser element is disposed on the bottom part of the base. The second semiconductor laser element is disposed on the bottom part of the base. The second semiconductor laser element has a different polarization direction from a polarization direction of the first semiconductor laser element. The lens member is a member into which light beams from the first semiconductor element and the second semiconductor laser element enter. The waveplate is configured to change the polarization direction of light from the first semiconductor laser element.

Abstract: A light-emitting device includes a base member, light-emitting element, and a wavelength conversion member. Light-emitting element is configured to emit light traveling in a lateral direction. The wavelength conversion member is disposed at a lateral side of the light-emitting element. The wavelength conversion member includes a wavelength conversion portion and a surrounding portion. The wavelength conversion portion having an incident lateral surface and an exit surface so that light is incident on the incident lateral surface, undergoes wavelength conversion in the wavelength conversion portion, and exits through the exit surface. The surrounding portion includes a protrusion located above the light-emitting element, and protruding outwardly toward a light-emitting element side with respect to the incident lateral surface with the protrusion overlapping with the emission end surface of the light-emitting element in a top view.

Abstract: A light emitting device includes a package including a base member, a frame member having a plurality of inner lateral surfaces, and a cover, a light emitting element surrounded by the frame member and disposed on an upper surface of the base member, the light emitting element configured to emit directional light traveling in a lateral direction, and a light receiving body surrounded by the frame member and disposed on the upper surface of the base member in the lateral direction of the light emitting element to receive the light. The light receiving body has a first lateral surface facing the light emitting element and a second lateral surface opposite to the first lateral surface. The second lateral surface of the light receiving body faces a first opposing surface arranged adjacent to the second lateral surface with a space between the second lateral surface and the first opposing surface.

Abstract: A light emitting device includes first and second semiconductor laser elements, first and second light-reflective members, and a basal part. The light emitted from the first semiconductor laser element irradiates a first light-reflective surface of the first light-reflective member at a first position. The light emitted from the second semiconductor laser element irradiates a second light-reflective surface of the second light-reflective member at a second position. A height of the first position is different from a height of the second position. With respect to a virtual axis extending along the prescribed direction, the first position and the second position have the same coordinates. A mounting position of the first light-reflective member and a mounting position of the second light-reflective member are different with respect to the prescribed direction.

Abstract: A light-emitting device includes: a first light-emitting element to emit first light having a first peak wavelength; a second light-emitting element to emit second light having a second peak wavelength; and an optical control unit to receive the first light and second light having non-parallel optical axes and emit the first light and second light such that the first light and second light have parallel optical axes. The optical control unit includes: one or two first optical members which create a first region to reflect the first light at a first optical path length, a second region to reflect the first light at a second optical path length which emitting longer than the first optical path length, and a third region to transmit the first light and reflect the second light; and a second optical member having a reflective surface to reflect the second light.

Abstract: A light emitting device includes first to third semiconductor laser elements. Each of the semiconductor laser elements includes at least two emitters, and configured to emit red-color light, green-color light, or blue-color light. The mount member includes first to third conduction parts, each including a plurality of metal films including mounting regions that are aligned in a predetermined direction. The first to third semiconductor laser elements are respectively mounted on the first to third conduction parts of the mount member in a junction-down configuration.

Abstract: A phosphor member disclosed in one embodiment includes: a phosphor portion including a first surface and a second surface; and a surrounding portion connected to an outer edge of the first surface and connected to an outer edge of the second surface. In a plan view viewed in a direction perpendicular to the first surface, the first surface has a shape including a first region with a width in a second direction perpendicular to a first direction, the width in the second direction increasing along the first direction. A maximum width of the second surface in the second direction is greater than a minimum width of the first surface in the second direction and less than a maximum width of the first surface in the second direction.

Abstract: A light emitting device includes a first light-emitting element configured to emit a first light in a first direction, a second light-emitting element configured to emit a second light in the first direction, a package including a substrate and a cap, having a light emission surface through which the first light and second light emitted from the first and second light-emitting elements are passed, and forming a closed space in which the first and second light-emitting elements are located, one or more optical members that are spaced away from the light emission surface in the first direction, and that are configured to combine the first light and second light, and one or more photodetectors that are spaced away from the light emission surface in the first direction, and that are configured to receive the first light and second light.