Abstract: An optical receptacle includes: a first optical fiber; a second optical fiber connected to the first optical fiber by fusion splice; a ferrule including a fiber hole that holds an end of the first optical fiber; and a housing portion that houses therein: the ferrule, the first optical fiber, and a first portion of the second optical fiber. A fusion splice portion between the first optical fiber and the second optical fiber is disposed outside of the ferrule and within the housing portion.

Abstract: An optical receptacle includes: a first optical fiber; a second optical fiber connected to the first optical fiber by fusion splice; a ferrule including a fiber hole that holds an end of the first optical fiber; and a housing portion that houses therein: the ferrule, the first optical fiber, and a first portion of the second optical fiber. A fusion splice portion between the first optical fiber and the second optical fiber is disposed outside of the ferrule and within the housing portion.

Abstract: An LED lamp has an envelope that includes a globe and a case, an interior space of the envelope being divided in two by a mount closing an opening of the globe, the lamp containing, in a globe side of the interior space, an LED and, in a case side of the interior space, a circuit unit for causing the LED to emit light. The LED is thermally connected to the mount, and the mount and the case are joined to the globe such that, during light emission, at least as much heat from the LED is propagated from the mount to the globe as from the mount to the case.

Abstract: A light emitting module includes: a substrate; first light emitting elements arranged circularly on the substrate and having a first light distribution angle (a narrow light distribution angle); and second light emitting elements arranged circularly to surround the plurality of first light emitting elements on the substrate, and having a second light distribution angle (a wide light distribution angle) different from the first light distribution angle.

Abstract: An LED lamp has an envelope that includes a globe (30) and a case (50), an interior space of the envelope being divided in two by a mount (20) closing an opening of the globe (30), the lamp containing, in a globe (30) side of the interior space, an LED and, in a case (50) side of the interior space, a circuit unit for causing the LED to emit light. The LED is thermally connected to the mount (20), and the mount (20) and the case (50) are joined to the globe (30) such that, during light emission, at least as much heat from the LED is propagated from the mount (20) to the globe (30) as from the mount (20) to the case (50).

Abstract: A light source used for illumination provides favorable heat dissipation properties while suppressing the lowering of the efficiency of light emission. The light source includes a mount substrate, an LED 23 mounted on the mount substrate and a silicon resin mold containing phosphor particles that convert the wavelength of light emitted from the LED 25. The mount substrate includes a metal substrate 23 coated with a ceramic layer 24 containing light-transmissive or highly reflective ceramic particles.

Abstract: Provided is a bulb-type lamp including a lightweight housing with great handleability. An LED light bulb comprises: an LED module on which LEDs are mounted; a cylindrically-shaped case having openings at both ends, which are first and second ends; a mount member on a front surface of which the LED module is mounted, the mount member closing a corresponding one of the openings of the case by being in contact with an inner circumferential surface of the first end of the case; a base member attached to the second end of the case; and a lighting circuit that is disposed inside the case. A wall thickness of the case is in a range of 200 ?m to 500 ?m inclusive, and the wall thickness of at least one portion of the case decreases from the first end toward the second end of the case.

Abstract: A light source that restricts the heat accumulation in the phosphor. The light source includes: a substrate 5; LED elements D21, D22, D23, D41, D42 that have been implemented on a main surface of the substrate 5; projections 11 that have been formed in areas of the main surface of the substrate 5 in which any of the LED elements D21, D22, D23, D41, D42 have not been implemented; and a translucent sealing member 7 that has been formed on the substrate in a state that the LED elements D21, D22, D23, D41, D42 and the projections 11 are covered and sealed with the sealing member 7. The sealing member 7 includes a phosphor 13 that converts light from the LED elements D21, D22, D23, D41, D42 into light of a predetermined color. The heat conductivity of the projections 11 is higher than the heat conductivity of the sealing member 7.

Abstract: A bulb-type lighting source employs a light-emitting element in a structure that facilitates heat dispersal. The lighting source includes a first heat sink member mounted in a bowl shaped case supporting a power supply circuit. A mounting substrate is positioned in surface contact with a surface of the heat sink member and is capable of supporting a light-emitting unit. A globe covers the light-emitting unit to permit light emission. A second heat sink member has a surface in contact with a perimeter of the mounting substrate and offset from the light-emitting unit to provide a second part in surface contact with the first heat member to facilitate the release of heat.

Abstract: Provided is a bulb-type lamp including a lightweight housing with great handleability. An LED light bulb comprises: an LED module on which LEDs are mounted; a cylindrically-shaped case having openings at both ends, which are first and second ends; a mount member on a front surface of which the LED module is mounted, the mount member closing a corresponding one of the openings of the case by being in contact with an inner circumferential surface of the first end of the case; a base member attached to the second end of the case; and a lighting circuit that is disposed inside the case. A wall thickness of the case is in a range of 200 ?m to 500 ?m inclusive, and the wall thickness of at least one portion of the case decreases from the first end toward the second end of the case.

Abstract: Provided is a bulb-type lamp including a lightweight housing with great handleability. An LED light bulb (1) comprises: an LED module (3) on which LEDs are mounted; a cylindrically-shaped case (7) having openings at both ends, which are first and second ends; a mount member (5) on a front surface of which the LED module (3) is mounted, the mount member (5) closing a corresponding one of the openings of the case (7) by being in contact with an inner circumferential surface of the first end of the case (7); a base member (91) attached to the second end of the case (7); and a lighting circuit (11) that is disposed inside the case (7). A wall thickness of the case (7) is in a range of 200 ?m to 500 ?m inclusive, and the wall thickness of at least one portion of the case (7) decreases from the first end toward the second end of the case (7).

Abstract: A phosphor layer forming apparatus (1) in which a paste (21) containing a phosphor is discharged so as to cover each of a plurality of light-emitting elements (11) mounted on a substrate (10) includes the following: a discharge portion (12) for discharging the paste (21) in the form of droplets onto each of the light-emitting elements (11); a measurement portion (13) for measuring the thickness of individual phosphor layers that are formed of the paste (21) covering each of the light-emitting elements (11); and a discharge control portion (14) for controlling the amount of the paste (21) to be redischarged for each phosphor layer in accordance with the thickness of the individual phosphor layers measured by the measurement portion (13). This phosphor layer forming apparatus can reduce the manufacturing time.

Abstract: A light source used for illumination provides favorable heat dissipation properties while suppressing the lowering of the efficiency of light emission. The light source includes a mount substrate, an LED 23 mounted on the mount substrate and a silicon resin mold containing phosphor particles that convert the wavelength of light emitted from the LED 25. The mount substrate includes a metal substrate 23 coated with a ceramic layer 24 containing light-transmissive or highly reflective ceramic particles.

Abstract: To provide a bulb-type lighting source that employs a light-emitting element and has better heat dispersal characteristics than the conventional technology. A lamp 1 comprising a heat sink member 11, a mounting substrate 21 placed in surface contact with a surface of the heat sink member 11, a light-emitting unit 24 placed on a surface of the mounting substrate 21, a globe 41 covering the light-emitting unit 24 in light emission directions thereof, and a heat sink member 31 that has a first part in surface contact with a perimeter 28 of the surface of the mounting substrate 21 where the light-emitting unit 24 is not mounted and a second part in surface contact with the heat sink member 11.

Abstract: Provided is a bulb-type lamp including a lightweight housing with great handleability. An LED light bulb (1) comprises: an LED module (3) on which LEDs are mounted; a cylindrically-shaped case (7) having openings at both ends, which are first and second ends; a mount member (5) on a front surface of which the LED module (3) is mounted, the mount member (5) closing a corresponding one of the openings of the case (7) by being in contact with an inner circumferential surface of the first end of the case (7); a base member (91) attached to the second end of the case (7); and a lighting circuit (11) that is disposed inside the case (7). A wall thickness of the case (7) is in a range of 200 ?m to 500 ?m inclusive, and the wall thickness of at least one portion of the case (7) decreases from the first end toward the second end of the case (7).

Abstract: A light-emitting module (2) includes a mounting board (1) with a conductor pattern and a plurality of light-emitting elements (15) mounted on the conductor pattern via wires (21). The extending direction of each of the wires (21) toward the conductor pattern is oriented irregularly when viewed perpendicularly to the mounting board (1). This can prevent the shadows of the wires (21) from overlapping, and thus can suppress the luminance nonuniformity.

Abstract: A light-emitting device (1) includes a substrate (10), a light-emitting element (12) that is mounted on the substrate (10) and includes a luminous region (12b) and a nonluminous region (12a), and a phosphor layer (13) that is formed to cover the light-emitting element (12). The thickness of the phosphor layer (13a) located on the nonluminous region (12a) is smaller than that of the phosphor layer (13b) located on the luminous region (12b). The light-emitting device (1) can suppress nonuniform luminescent color.

Abstract: A component mounting system includes first to third (pickup, transfer, and placement) stations. A component supplied at a component supply is picked up by a transport head at the pickup station and then transferred to a placement head at the transfer station. The placement head carries the component to the placement station where the component is placed and mounted onto a substrate such as a circuit board. The component, when held by the placement head, is recognized by an imaging device at or in the vicinity of the transfer station.

Abstract: In a receiver for component feed plates for housing, in multi-stage stacks, a plurality of component feed plates with a plurality of components placed thereon, identification mark portions are formed so as to be placed at end portions or their proximities of support guide portions in a plate feed direction so that each paired set of support guide portions out of individual support guide portions can be distinguished from the other paired sets of support guide portions and moreover visually discerned in the plate feed direction.

Abstract: A luminescent light source (1) is configured to include: a substrate (10); a terminal (11) and a land (12) formed on the substrate (10); a light-emitting element (14) mounted on the land (12) via a bump (13); and a phosphor layer (15) that covers the light-emitting element (14) and is filled in an interstice between a principal surface of the substrate (10) and the light-emitting element (14), wherein the phosphor layer (15) contains a phosphor and a light-transmitting base material, and a content by volume of the phosphor in a part (15a) of the phosphor layer (15) filled in the interstice and a content by volume of the phosphor in a part (15b) of the phosphor layer (15) covering the light-emitting element (14) are substantially equal to each other.