Abstract: A skylight having a shaped reflector placed inside of the skylight adjacent a lamp for providing uniform natural and artificial lighting. The shaped reflector is positioned a predetermined vertical distance and a predetermined horizontal distance within the housing of the skylight to provide uniform artificial illumination simulating natural daylight illumination. Thermal efficiencies are improved with placement of a thermal barrier between upper and lower housings and external positioning of electrical ballast. Installation efficiencies are improved with the formation of an integral curb between the upper and lower housings.

Abstract: Disclosed is a mobile terminal and a method for fabricating a case thereof, the mobile terminal comprising a case defining an appearance of the mobile terminal, wherein the case includes a first base formed of a transparent material, a plurality of recess portions recessed into one surface of the first base, and a second base having a surface facing the plurality of recess portions, and disposed to be overlaid on the plurality of recess portions so as to form empty spaces defined by the plurality of recess portions and the surface facing the plurality of recess portions.

Abstract: The present invention relates to a passive heat radiator and a streetlight heat radiating device. The passive heat radiator includes: a heat radiating base plate; a slablike upstanding plate connected to the heat radiating base plate by soldering, and perpendicular to a horizontal plane when the heat radiating base plate is under a mounting status; a heat absorbing ending face disposed at one side of the heat radiating base plate deviated from the upstanding plate, and adapted to mount a heat generating element; and heat radiating fins connected to a surface of the upstanding plate by soldering, and perpendicular to the horizontal plane when the heat radiating base plate is under the mounting status. The heat radiating device includes a mounting seat and connecting seats.

Abstract: A display panel and a light source device used therein are provided. The display panel includes a light-guide thin-film circuit substrate, a light source and a polarizing layer. The light-guide thin-film circuit substrate has a light entrance end and a light exit top surface, and the light source is disposed corresponding to the light entrance end. The polarizing layer is disposed on the light-guide thin-film circuit substrate and parallels the light exit top surface of the light-guide thin-film circuit substrate. The light produced by the light source enters the circuit substrate through the light entrance end, guided and transmitted through the circuit substrate, and then leaves the circuit substrate through the light exit top surface and enters the polarizing layer. The light after passing through the polarizing layer is turned into a polarized light having flat light source effect as a backlight source for the system.

Abstract: A light for multi-color indication, for example, as navigation light, has a light source with a plurality of LEDs on a common substrate, within a common package and a common package lens. The LEDs may be of different colors. A reflector may be mounted opposite the light source to direct “mixed-color” light through differently colored portions of a casing lens. A reflective surface of the reflector may be shaped substantially as a surface of rotation. A reflective material such as a film may be positioned on the casing lens to extend over at least part of an angular range of any of the lens portion(s) corresponding to an unneeded light color, so as to reflect incident light towards a selected one of the lens portions corresponding to a needed light color.

Abstract: A light source apparatus includes a first light-emitting element to generate an illumination light with a first light emission intensity to be applied to a subject, and a second light-emitting element to generate an illumination light with a second light emission intensity, including at least light with a wavelength different from the illumination light generated from the first light-emitting element. The first light-emitting element and second light-emitting element are arranged, so that the peaks of the first emission intensity and second emission intensity become identical.

Abstract: A flat light source apparatus has a light source board which comprises unit boards, each unit board having a printed circuit board and a light source formed on the printed circuit board, wherein the unit boards are arranged adjacent to each other at least in one direction, and any pair of the unit boards adjacent to each other is integrated by a connecting portion provided therebetween. The apparatus also has a main wire which extends along a plane of the light source board, wherein the main wire extends between adjacent unit boards via the connecting portion such that all of the unit boards are electrically connected to each other by the main wire. The apparatus further has a branch wire for supplying electric power to the light source, the branch wire being provided in each unit board and branching from the main wire in each unit board.

Abstract: Helmet mounted lighting apparatus and method of manufacture. May utilize LED light source and battery power unit designed for mounting for example on a fire-fighting helmet. May couple with helmet or to an ornamental leather shield typically mounted on the front of a fire-fighting helmet. Enables enhanced visual field at night for benefit of the user. Apparatus is made of material suitable for the harsh conditions encountered by fire suppression and emergency personnel and is mounted in such a fashion as to not conflict with the typical physical features of the helmet or shield. The apparatus includes at least one lamp provided at a front side of the casing, a switch part provided remote to or in one side of the casing, a battery or series of batteries provided remotely or in the interior of the casing and optional time-out, power level adjustment, voltage and/or current control circuitry.

Abstract: A cooler that utilizes multiple LEDs to illuminate an entire interior is disclosed herein. The LEDs are activated by a magnetic reed switch positioned between an inside liner and an outer liner of the cooler. A magnet is positioned in a lid. Removal of the magnetic field of the magnet when the lid is in an open state allows the magnetic reed switch to complete a circuit from a battery to the LEDs thereby allowing the LEDs to illuminate the entire interior chamber of the cooler.

Abstract: A ring generating LED lamp includes a lens section which employs internal reflection to direct the light energy from a hemispherical emitter into a ring shaped output distribution. The ring shaped distribution projects above and below the plane of the LED source. The lens has multiple internal surfaces that direct light from the LED source to provide a ring shaped output distribution.

Abstract: An outdoor light string that is deployed along a track and stored in a box at the end of the track intended to aid in installing a light string provides for an inverted hanging track mounted along the roof line, overhang, railing, or other structure used to support the light string. A first end of the track system is provided with a removable storage box used to hold the light string in a looped fashion. When needed, the box is opened on the end facing the track, and a hook stick is used to grab a loop at the end of the light string. It is then pulled out and secured at a second end of the track. The light string is supported with intermediate trolley hangers along the track. The light string is guided back into the storage box for storage and protection.

Abstract: Provided is a bulb holder locking apparatus, comprising a fixing mount, a bulb holder, a spring and a ratchet mechanism comprising a ratchet bar having a plurality of ratchets, a pawl and a movable cam having a curve contour; wherein the bulb holder is flexibly connected to the fixing mount; the spring is connected to the fixing mount, so as to force the bulb holder to move downwards; the ratchet bar is connected to the bulb holder; the pawl is connected to the fixing mount and elastically contacted with the ratchet bar; the movable cam is slidingly connected to the ratchet bar and elastically contacted with the pawl; and the curve contour comprises a plurality of crests engaged with the pawls.

Abstract: A light emitting diode device is provided. The light emitting diode device comprises a composite substrate and a light emitting diode disposed on the composite substrate. The composite substrate comprises a first carbon fiber composite layer which is able to conduct heat rapidly in the direction of carbon fiber, such that the heat generated from the light emitting diode module can be dissipated rapidly.

Abstract: A hand-held power tool comprising an output shaft rotatable around a tool axis of rotation, a tool housing portion radially disposed relative to the output shaft, an illuminating element for illuminating a work area of the tool, a lens positioned adjacent the illuminating element, and a cover that secures the lens and the illuminating element to the tool housing portion. At least a portion of the cover is closer to the axis of rotation than the lens is to the axis of rotation.

Abstract: A wavelength conversion device comprising a plurality of regions. Each region for absorbing radiant energy and emitting light having a characteristic dependent upon which region of the device emits the light.

Abstract: The invention relates to a lighting device comprising a light source (31) which is mounted on a heat sink (32) having an outer contour (34). Furthermore, it comprises a cooling device (35) for dynamically cooling the light source via cooling of the heat sink by means of a fluid flowing alongside the contour of the heat sink, the cooling device having one or a plurality of cooling openings (36, 43). The cooling device is a vibrating membrane cooling system for generating a sequence of fluid pulses (39). The cooling openings are arranged alongside the heat sink. The light source comprises optical means (33) for collimating and directing light originating from the light source during operation, while the contour of the heat sink has a shape similar to that of the optical means.

Abstract: A light guide plate (LGP) includes a first surface, a second surface, and a plurality of light incident surfaces. The first surface is a light-emitting surface. The light incident surfaces connect the first surface and the second surface. The second surface has a plurality of ring-shaped grooves. Depths of the ring-shaped grooves are gradually decreased from a place close to a center of the LGP towards places close to the light incident surfaces. Each of the ring-shaped grooves has a first ring-shaped side wall surface and a second ring-shaped side wall surface. The second ring-shaped side wall surface is opposite to the first ring-shaped side wall surface and located between a geometry center of the ring-shaped groove and the first ring-shaped side wall surface. The first ring-shaped side wall surface is a tilted surface. In addition, a light source apparatus is also provided.

Abstract: A backlight unit is provided. The backlight unit comprises: a cover bottom: a printed circuit board (PCB) that is supported by the cover bottom; a light emitting element that is positioned on the PCB; an optical film layer that is supported by the cover bottom and that is positioned on the PCB; and a guide that is mounted separately from the light emitting element in a surface of the PCB in order to support the optical film layer.

Abstract: A lighting device including a housing, a coupling member being coupled to an inner upper surface of the housing, having an insertion groove formed in the middle part thereof in a direction of the inner upper surface of the housing, and having a first connection terminal provided in the middle of the insertion groove, at least one reflector coupled between an inner wall surface of the housing and an outer wall surface of the coupling member; and a light source unit having an upper part thereof attachable to and removable from the coupling member by using the insertion groove, having a second connection terminal provided in the upper part thereof, the second connection terminal being electrically connected to the first connection terminal when connected to the coupling member, and having a lower part thereof emitting light toward the reflector.

Abstract: A vehicular lamp has a semiconductor light emitting element as a light source. The vehicular lamp includes a heat dissipation member that dissipates heat generated by the semiconductor light emitting element; a power supply member that supplies power to the semiconductor light emitting element; a light emitting element holding portion that holds the semiconductor light emitting element in a state of contact with the heat dissipation member; and a housing portion that is secured to a lamp body. The light emitting element holding portion electrically connects the semiconductor light emitting element and the power supply member, the housing accommodates the power supply member and the heat dissipation member, and the light emitting element holding portion is detachably secured to the heat dissipation member.