Abstract: A light source module for a vehicle lamp, including an optical system that guides light emitted from the light source module in a certain irradiation direction and has an optical center, the light source module has a plurality of semiconductor light emitting elements disposed in a straight line and electrically connected to each other in series. One of the semiconductor light emitting elements that is positioned closest to the optical center of the optical system has a light emitting area that is smallest of the plurality of the semiconductor light emitting elements.

Abstract: A driving shaft mechanism for a ratchet wrench is disclosed. The driving shaft mechanism is built as a spindle assembly of the ratchet wrench and has a lighting device for offering direct lighting to an operating area of the ratchet wrench. The spindle assembly prevents the lighting from being accidentally turned off when a user operates the ratchet wrench by virtue of screwing or unscrewing motions between a spindle cap and a containing part so as to allow the spindle cap to movably press on or depart from a switch controlling a switching circuit electrically connected with a lamp, and further to create a close circuit or an open circuit of the switching circuit, thus turning on or off the lamp.

Abstract: The LED lighting bar includes a first conductive wire (10), a second conductive wire (20) parallel to the first conductive wire (10), an insulator (30), at least one LED (40) and a fixing frame (50, 50?). The insulator (30) has an upper layer (31, 31?) and a lower layer (32, 32?), which cover the first conductive wire (10) and the second conductive wire (20), wherein the upper layer (31, 31?) is provided with a penetrating trough (310, 310?) for exposing a first connecting section (11) of the first conductive wire (10) and a second connecting section (21) of the second conductive wire (20). The at least one LED (40) electrically connects on a first electrode (41) of the first connecting section (11) and a second electrode (42) of the second connecting section (21). The fixing frame (50, 50?) is around the at least one LED (40) for fastening.

Abstract: In one embodiment, a system may include an electrical device having an indicator light source, an actuator having a window, a viewing piece arranged to be visible through the window, and a light guide arranged to guide light from the light source to the viewing piece. The viewing piece may have a receiving portion arranged to receive light from the light guide, and the width of the receiving portion may be substantially larger than the width of the light guide. In another embodiment, a system may include an electrical device having a first support member, and an actuator having a second support member. The actuator may be adapted to move along a path of motion from a retracted position to an extended position, and the first and second support members may be adapted to support the actuator in the extended position with forces that are substantially balanced along the path of motion.

Abstract: In a light emitting device and system providing white light with various color temperatures are provided, a light emitting device includes a light emitting element (LED) that is operated by a driving bias and emits first light, and a phosphor layer including a phosphor that partially wavelength-converts first light and emits second light, thereby emitting white light using the first light and the second light, wherein the phosphor has a maximum conversion efficiency at a first level of the driving bias, and the LED has a maximum conversion efficiency at a second level of the driving bias, the first level being different from the first level.

Abstract: A lamp assembly is provided, including a light source, a thermal module, a connecting member, and an adapter electrically connected to the light source. The thermal module includes a first thermal member and a second thermal member. The first and second thermal members respectively have a plurality of first and second fins which are arranged in a staggered manner. The second thermal member forms a plurality of through holes for heat dissipation. The light source is disposed on the second thermal member, and the connecting member connects the thermal module with the adapter.

Abstract: A lamp clip 20 holds at least one of a plurality of cold cathode tubes 18 that are arranged parallel to each other. The lamp clip 20 includes a pair of arms 30, 31 configured so as to extend along a parallel arrangement direction of the cold cathode tubes 18. The parallel arrangement direction extends from one cold cathode tube 18 to another. The arms 30, 31 have distal ends separated from each other to from an opening 33. The opening 33 allows insertion and removal of the cold cathode tube 18 therethrough, and the arms 30, 31 hold the cold cathode tube 18 therebetween. A plurality of light source receiving surfaces 32 that receive the cold cathode tube 18 are provided so as to be along the parallel arrangement direction on at least one of surfaces of the arms 30, 31 facing the cold cathode tube 18.

Abstract: A lighted sign or lighting fixture includes a housing that contains a series of LEDs. The housing has a pair of side walls and a series of spaced apart reinforcing members that extend between and interconnect the side walls. The reinforcing members may be formed integrally with the side walls, or may be in the form of separate members that are securely attached to the side walls. An LED mounting structure, such as a PCB, may be attached to the reinforcing members, or alternatively a separate bottom wall may be secured to the reinforcing members.

Abstract: The present invention provides a planar light guide film for a backlight unit having at least one point light source, the light guide film comprising a light input surface for receiving light from the point light source, a light redirecting surface for redirecting light received from the light input surface and a light output surface for outputting at least the light redirected from the light redirecting surface. The light input surface further comprises a composite lens structure having a circular tip segment with a first contact angle, and a first and second circular base segments with a second contact angle, the second contact angle being greater than the first contact angle and the second contact angle being equal to each other. Further, the circular tip segment satisfies the following equation: y1=a1+?{square root over ((r12?x2))} and the circular base segments satisfies the following equations: y2=b2+?{square root over ((r22?(x+a2)2))} y3=b3+?{square root over ((r32?(x?a3)2))}.

Abstract: A lighting unit 12 of the present invention includes a light source 17, a chassis that covers the light source 17 and a vibration absorber 70 provided in a mat-like form and arranged between the light source 17 and the chassis 14. The vibration absorber 70 is made of gelatinous material. With this configuration, the vibration absorber 70 blocks vibration propagation from the light source 17 to the chassis 14. As a result, a roaring sound is properly eliminated or reduced.

Abstract: A light device for a bicycle wheel that includes a body having a rim end and a hub end, a row of at least seven independently controllable lights extending between the rim end and the hub end, electronic controls for the lights, and three mounts for securing the body to spokes of the wheel. A first mount is located near the hub end to secure the body to a first spoke. A second mount is located near the rim end to secure the body to the first spoke. A third mount is located on a side of the lights opposed to the first and second mounts and between the first and second mounts to secure the body to the second spoke. Each of the mounts includes a mounting pad located between the body and the spokes and made of a resiliently deformable material to dampen vibration and offset the body and lights from the plane of the spokes. Each of the mounts also includes an attachment clamping the mounting pad between the body and the spokes.

Abstract: A liquid crystal display device includes an input and output display unit which includes a touch panel function; a backlight which emits light to the input and output display unit from a rear surface thereof; a comparison processing unit which compares a sensor output of a sensor which detects the light emitted from the backlight and reflected from a manipulation object on the input and output display unit with a predetermined reference value; and a backlight luminance adjusting unit which receives a comparison result of the comparison processing unit and adjusts luminance of the backlight so that the sensor output is close to a predetermined allowable lower limit output value.

Abstract: An LED-based lighting system includes a housing forming one or more apertures, a PCB having conductors on its front-side, and one or more LEDs mounted with the conductors. The PCB mounts with the conductors proximate to a top surface of the housing such that the LEDs emit light through the apertures, and heat generated by the one or more LEDs primarily dissipates through the conductors to the housing. A retrofit apparatus for a light fixture includes a PCB having conductors on its front-side thereof, and one or more LEDs mounted with the conductors. The PCB mounts with the conductors proximate to a surface of a mounting bracket that is configured for mounting to the light fixture, such that when the bracket mounts to the light fixture, heat generated by the one or more LEDs primarily dissipates through the conductors and the structural element to the light fixture.

Abstract: A luminous button device includes: a button base which is integrally formed of a transmissive material; and a button cap which is integrally formed of a non-transmissive material and is fitted to the button base, wherein the button cap includes a cap body; a pair of arm portions which extends from the rear surface of the cap body with a gap interposed therebetween; and a pair of locking claws which is formed at the front ends of the pair of arm portions, and wherein the button base includes a movable portion which is movable in the direction of pressing a switch disposed on the rear surface side of the button base in accordance with a pressing force from the front button surface side; and a support portion which supports the movable portion so as to be movable in the direction.

Abstract: A display device for increasing brightness of an image generation, including a color cluster system, is provided. The system includes a first color LED cluster having at least a first LED of a first wavelength within a first color range and a second LED of a second different wavelength within the first color range. The light from the first LED may be combined at least partially with light from the second LED The system further comprises a second color LED cluster having at least a first LED of a first wavelength within a second color range and a second LED of a second different wavelength within the second color range. In the second color LED cluster, the light from the first LED may be combined at least partially with light from the second LED.

Abstract: The invention discloses an LED daylight lamp tube, comprising a tube body and caps fixedly connected to two ends of the tube body, wherein the tube body comprises: an axial bar-shaped radiator, a radiating face of which is fan-shaped and a heat conducting face of which is provided with at least two axial bar-shaped slots forming included angle; an illuminant, which comprises PCB aluminum substrates corresponding in amount to the bar-shaped slots of the radiator, wherein the front face of each of the PCB aluminum substrates is equipped with a plurality of LED illuminants and the PCB aluminum substrates are clamped in the bar-shaped slots of the radiator; a bar-shaped heat conducting gasket, which is adhered to the back face of the PCB aluminum substrate in a fitting manner and clamped between the PCB aluminum substrate and a heat conducting face of the bar-shaped slot; and a circular arc lampshade, which is in clamped connection with two sides of the radiator and forms the cylindrical tube body with the radiat

Abstract: A structure of lighting device includes a hood, a heat dissipater, at least one substrate board, and a fastener. The hood forms a receiving space, at least one fitting slot, and at least one heat dissipation opening. The fitting slot is located inside the receiving space. The heat dissipation opening is defined in a circumferential surface of the hood. The heat dissipater is received in the receiving space. The heat dissipater forms at least one guide section. The guide section opposes the fitting slot and is received in the fitting slot. The substrate board is electrically connected to at least one light-emitting diode. The substrate board is coupled to the heat dissipater. The heat dissipation opening allows for air circulation for removing heat generated by light-emitting diodes. Further, the heat dissipation opening is formed to have a width W less than 3 mm, and the heat dissipater is arranged to be spaced from a circumferential surface of the hood by a distance greater than 6 mm.

Abstract: An edge-type backlight module and a direct-type backlight module with a optical device are provided. The optical device comprises an array layer and a second refractive layer. The array layer has a first refractive index (n1) and contains pluralities of lenticular lens disposed on a base surface side by side. The lenticular lens contains a curving structure with a peak, a trough, a curvature radius (R), a width (P) and an altitude (H) between the peak and the trough. The trough is disposed on the base1 surface. The array layer has a first critical angle (?1c) relative to the normal of the base surface and satisfies ? 1 ? c = sin - 1 ? ( 1 n 1 ) and H = R 1 + K ? [ 1 - 1 - ( 1 + K ) ? ( P 2 ? R ) 2 ] . The conical constant (K) of the lenticular lens ranges from ?2.1 to ?1.5.

Abstract: Methods, luminaires and systems for matching a composite light spectrum to a target light spectrum are disclosed. Method embodiments may be optimized for simultaneously maximizing luminous output with minimal chromaticity error. Method embodiments may further be optimized for simultaneously minimizing both chromaticity and spectral error. Embodiments of the present invention may be used with composite light sources having four or more distinct dominant colors within the visible spectrum.

Abstract: A light source assembly comprises a plurality of reflective sheets, a plurality of light emitting diodes and a printed circuit board. Each reflective sheet comprises a plate member and a plurality of openings formed on the plate member. The plurality of light emitting diodes are mounted on the printed circuit board. The plurality of reflective sheets are also mounted on the printed circuit board. The plurality of light emitting diodes are respectively located in the openings. The light emitted from the light emitting diodes is reflected by the surface of the plate member.