Abstract: A light emitting device including a light emitting element, a light transmissive member, a light guide member, and a light reflective member. The light transmissive member is disposed on an upper surface of the light emitting element, and has a lower surface including a first region facing the light emitting element and a second region positioned outside of the first region. The light guide member covers a lateral surface of the light emitting element and the second region of the lower surface of the light transmissive member. The light reflective member covers the light emitting element, an upper surface of the light transmissive member and the light guide member. One of lateral surfaces of the light transmissive member is exposed from the light reflective member.

Abstract: A light emitting module with a reduced thickness is provided. A method of manufacturing a light emitting module sequentially includes: providing a light guiding plate having a first main surface being a light emitting surface, and a second main surface on the side opposite to the first main surface; providing a plurality of light emitting elements on the light guiding plate; and forming a wiring electrically connecting the plurality of light emitting elements. A light emitting module includes: a light guiding plate having a first main surface and a second main surface; a plurality of wavelength conversion parts disposed at the second main surface of the light guiding plate so as to be spaced apart from each other; a plurality of light emitting elements respectively bonded to the plurality of wavelength conversion parts; and a wiring connected to the plurality of light emitting elements.

Abstract: A light-emitting module includes a light-emitting element unit including a light-emitting element, a light-transmissive member covering a main light-emitting surface of the light-emitting element, and a first light-reflective member covering lateral surfaces of the light-emitting element; a light-transmissive light-guiding plate having a first main surface and a second main surface having a recess accommodating the light-emitting element unit; a second light-reflective member covering the second main surface and the light-emitting element unit; and a light-transmissive bonding member disposed in contact with inner lateral surfaces of the recess and outer lateral surfaces of the light-emitting element unit. At least a portion of the first light-reflective member is located outside the recess in a cross-sectional view, and is in contact with the light-transmissive bonding member.

Abstract: A method of manufacturing a light emitting device includes: providing a light emitting element including a light extraction surface, an electrode-formed surface on a side opposite to the light extraction surface, lateral surfaces positioned between the light extraction surface and the electrode-formed surface, and a pair of electrodes on the electrode-formed surface; providing a covering member including a lens portion and a first recess on a side different from the lens portion; disposing the light emitting element on a bottom surface of the first recess, with the light extraction surface and the bottom surface of the first recess facing each other; and forming a reflective member in the first recess to cover the lateral surfaces of the light emitting element while at least a part of the pair of electrodes is exposed from the reflective 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 light emitting module with a reduced thickness is provided. A method of manufacturing a light emitting module sequentially includes: providing a light guiding plate having a first main surface being a light emitting surface, and a second main surface on the side opposite to the first main surface; providing a plurality of light emitting elements on the light guiding plate; and forming a wiring electrically connecting the plurality of light emitting elements. A light emitting module includes: a light guiding plate having a first main surface and a second main surface; a plurality of wavelength conversion parts disposed at the second main surface of the light guiding plate so as to be spaced apart from each other; a plurality of light emitting elements respectively bonded to the plurality of wavelength conversion parts; and a wiring connected to the plurality of light emitting elements.

Abstract: A light emitting module includes a light guide plate including a first face, a second face opposing the first face, and a through part penetrating between the first face and the second face, a light emitting device disposed in the through part on a second face side, a light transmissive member disposed on the light emitting device in the through hole on a first face side and between the light emitting device and a lateral wall of the through part, and a first light reflecting member disposed between an upper face of the light emitting device and the light transmissive member while being in contact with the upper face of the light emitting device.

Abstract: A method of manufacturing a light emitting module according to the present disclosure includes: preparing a light guide plate that comprises a first main surface serving as a light-emitting surface and a second main surface opposite to the first main surface; respectively providing light emitting elements on the second main surface so as to correspond to each of a plurality of optically functional portions provided on the first main surface of the light guide plate; and forming wires electrically connecting the plurality of light emitting elements.

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 method for manufacturing a light-emitting device includes: providing a light-transmissive member comprising: a base portion, and a projecting portion on a first surface side of the base portion; providing a light-emitting element that has a main emitting surface and an electrode formation surface opposite to the main emitting surface; disposing the light-emitting element on the projecting portion of the light-transmissive member such that the main emitting surface of the light-emitting element faces an upper surface of the projecting portion of the light-transmissive member; and forming a light-reflective member that covers at least one of (i) lateral surfaces of the light-emitting element, and/or (ii) lateral surfaces of the projecting portion of the light-transmissive member.

Abstract: Provided is a linear light source including: a light-transmissive base having a first main surface that has a rectangular shape with long sides and short sides, a second main surface located opposite to the first main surface, a first (long) side surface, and a second (short) side surface; a plurality of light emitting devices, each including a light emitting element, a light-transmissive member and a sealing member. An upper surface of each of the light emitting devices includes an upper surface of the light-transmissive member. A first bonding member bonds the first main surface of the light-transmissive base and the upper surfaces of the light emitting devices. A width of the light-transmissive base is the same as a width of the light emitting devices in a first direction orthogonal to a first side surface of the light-transmissive base.

Abstract: A method of manufacturing a light emitting module according to the present disclosure includes: preparing a light guide plate that comprises a first main surface serving as a light-emitting surface and a second main surface opposite to the first main surface; respectively providing light emitting elements on the second main surface so as to correspond to each of a plurality of optically functional portions provided on the first main surface of the light guide plate; and forming wires electrically connecting the plurality of light emitting elements.

Abstract: A method for producing an aqueous dispersion of purified polytetrafluoroethylene, the method including: removing or reducing a compound represented by Formula (1) or (2) below from an aqueous dispersion of polytetrafluoroethylene obtained using a hydrocarbon surfactant: Formula (1): (H—(CF2)m—COO)pM1; or Formula (2): (H—(CF2)n—SO3)qM2. Also disclosed is a composition containing polytetrafluoroethylene substantially free from a compound represented by Formula (3) below and a molded body including the composition: Formula (3): (H—(CF2)8—SO3)qM2.

Abstract: A method for manufacturing a light emitting device includes: forming a first reflector that covers outer peripheral faces of a light transmissive member; forming a light guiding member covering at least a portion of the light transmissive member, a portion of a lower face of the first reflector, and at least some portions of lateral faces of a light emitting element disposed under the light transmissive member; and forming a second reflector covering a portion of the lower face of the first reflector that is exposed from the light guiding member and located outward of the light guiding member.

Abstract: A composite board is provided with a board and a covering member. The board includes a base made of ceramics, first wiring provided on an upper surface of the base, and second wiring provided on a lower surface of the base and electrically connected to the first wiring. The covering member covers the base such that the first wiring and the second wiring are exposed.

Abstract: A method for manufacturing a light-emitting device includes: providing a light-transmissive member comprising: a base portion, and a projecting portion on a first surface side of the base portion; providing a light-emitting element that has a main emitting surface and an electrode formation surface opposite to the main emitting surface; disposing the light-emitting element on the projecting portion of the light-transmissive member such that the main emitting surface of the light-emitting element faces an upper surface of the projecting portion of the light-transmissive member; and forming a light-reflective member that covers at least one of (i) lateral surfaces of the light-emitting element, and/or (ii) lateral surfaces of the projecting portion of the light-transmissive member.

Abstract: A method of manufacturing a light emitting device includes: providing a light emitting element including a light extraction surface, an electrode-formed surface on a side opposite to the light extraction surface, lateral surfaces positioned between the light extraction surface and the electrode-formed surface, and a pair of electrodes on the electrode-formed surface; providing a covering member including a lens portion and a first recess on a side different from the lens portion; disposing the light emitting element on a bottom surface of the first recess, with the light extraction surface and the bottom surface of the first recess facing each other; and forming a reflective member in the first recess to cover the lateral surfaces of the light emitting element while at least a part of the pair of electrodes is exposed from the reflective member.

Abstract: A light emitting device includes a light transmissive member; a first reflector covering outer peripheral faces of the light transmissive member; a light emitting element disposed under the light transmissive member; a light guiding member covering at least a portion of the light transmissive member, a portion of a lower face of the first reflector, and at least some portions of lateral faces of the light emitting element; and a second reflector covering a portion of the lower face of the first reflector that is exposed from the light guiding member and is located outward of the light guiding member.

Abstract: A method for manufacturing a light-emitting device includes: providing a light-transmissive member comprising: a base portion, and a projecting portion on a first surface side of the base portion; providing a light-emitting element that has a main emitting surface and an electrode formation surface opposite to the main emitting surface; disposing the light-emitting element on the projecting portion of the light-transmissive member such that the main emitting surface of the light-emitting element faces an upper surface of the projecting portion of the light-transmissive member; and forming a light-reflective member that covers at least one of (i) lateral surfaces of the light-emitting element, and/or (ii) lateral surfaces of the projecting portion of the light-transmissive member.

Abstract: A composite board is provided with a board and a covering member. The board includes a base made of ceramics, first wiring provided on an upper surface of the base, and second wiring provided on a lower surface of the base and electrically connected to the first wiring. The covering member covers the base such that the first wiring and the second wiring are exposed.