Abstract: A COF packaging method and structure for LCD driver chips, the packaging structure comprises a substrate tape and a plurality of COF packaging units arranged consecutively along a direction the substrate tape is moved. Each of the packaging units includes a LCD driver chip, and a first lead and a second lead electrically connected to the LCD driver chip and distributed along two sides of the LCD driver chip. The LCD driver chip of each of the packaging units is parallel to the moving direction of the substrate tape, the first lead and the second lead of each of the packaging units are extended along a width of the substrate tape. By the method, the number and intervals of the leads are not limited by the width dimension of the substrate tape, in order to suit the requirements of large-sized liquid crystal panels.

Abstract: In a power source control circuit module, switching regulator devices and a linear regulator device are mounted on a surface of a laminated body so as to be spaced from each other. In an interface between dielectric layers of the laminated body, first to fifth internal ground electrodes separated by an electrode non-formation portion are provided. The first, second, fourth, and fifth internal ground electrode are connected to the respective switching regulator devices. The third internal ground electrode is connected to the linear regulator device. The first to fifth internal ground electrodes are connected to respective different external ground terminals.

Abstract: This relates to systems and methods for providing one or more vias through a module of an electrical system. For example, in some embodiments, the module can include one or more passive elements and/or active of the electrical system around which a packaging has been plastic molded. The module can be stacked under another component of the electrical system. Vias can then be provided that extend through the module. The vias can include, for example, electrically conductive pathways. In this manner, the vias can provide electrical pathways for coupling the component stacked on top of the module to other entities of an electronic device including the electrical system. For example, the component can be coupled to other entities such as other components, other modules, printed circuit boards, other electrical systems, or to any other suitable entity.

Abstract: An electronic device includes a printed circuit board that a substrate contact part acting as a point of contact with another component is formed on a board surface thereof, a conductive member that has a first contact portion in contact with the substrate contact part, a plate-like extending portion extending from the first contact portion to the outside of the printed circuit board, and a second contact portion formed on a plate surface of the extending portion on the outside of the printed circuit board, and an electrical component that includes a component contact part in contact with the second contact portion and a body part on which the component contact part is formed, and is placed so that the component contact part or at least a part of the body part is opposed to an end face of the printed circuit board.

Abstract: A system has a circuit board, an integrated circuit being mounted on the circuit board by external contacts, and a cover irreversibly connected to the circuit board. The cover covers the external contacts so that external access to the external contacts is prohibited by the cover.

Abstract: The present invention relates to an under-fill dam with high detection probability that is composed of a dry film solder resist and provided in the form of a fence around a chip device in order to prevent leaks of an under-fill material filled in a gap between a substrate and the chip device.

Abstract: An interconnection component includes a first support portion has a plurality of first conductive vias extending therethrough substantially perpendicular to surfaces thereof such that each via has a first end adjacent a first surface and a second end adjacent a second surface. A second support portion has a plurality of second conductive vias extending therethrough substantially perpendicular to surfaces thereof such that each via has a first end adjacent the first surface and a second end adjacent the second surface. A redistribution layer is disposed between the second surfaces of the first and second support portions, electrically connecting at least some of the first vias with at least some of the second vias. The first and second support portions can have a coefficient of thermal expansion (“CTE”) of less than 12 parts per million per degree, Celsius (“ppm/° C.”).

Abstract: Disclosed is a liquid crystal display module comprising a display panel, and a plurality of panel lands is positioned on the display panel, and lengths of the panel lands extend along a straight direction of wire directions, and the module further comprise a flexible circuit board, and the flexible circuit board comprises a plurality of flexible circuit board lands, and the flexible circuit board lands are soldered with the panel lands one-to-one correspondingly. Two adjacent panel lands and corresponding flexible circuit board lands constitute a soldering unit, comprising a first panel land, a second panel land, a first flexible circuit board land corresponding to the first panel land and a second flexible circuit board land corresponding to the second panel land. The first panel land and the second panel land stagger transversely. The present invention also discloses a liquid crystal panel.

Abstract: A display alignment system aligns an internal display device with an outer cover glass such that planes defined by both are substantially parallel. A subject electronic device includes an outer housing having a back portion and multiple mounting bosses, a transparent display cover coupled to the outer housing, a display device disposed between the back portion and the display cover, and mounting brackets coupling the display device to the mounting bosses. The exact positions of the mounting brackets are adjusted to compensate for the specific dimensions of the mounting bosses, outer housing and/or display device, which is done using a separate assembly fixture having spring-loaded and locking pins to record individual mounting boss heights. Recorded boss heights are used to position the mounting brackets on sides of the display device so that the combination thereof is customized for the recorded outer housing and mounting bosses.

Abstract: A spring washer sandwiched between flat washers is interposed between a land on one surface of a printed circuit board of a control board part and an attachment plate, and a screw is inserted from the other surface of the printed circuit board through a substrate through hole extending through the printed circuit board, one of the flat washers, the spring washer, and the other flat washer and is screwed into a screw hole formed in the attachment plate, thereby fixing the attachment plate to the printed circuit board.

Abstract: A personal electronic device (PED) sanitization device comprises a compartment configured to receive a PED and a sanitization module configured to emit electro-optical (EO) radiation into the interior of the compartment. The compartment may comprise a support member configured to maintain the PED at a particular position and/or orientation. The support member may be transparent to the EO radiation, such that the entire surface of the PED can be irradiated. The device may further comprise an acoustic conduit to allow sounds generated by the PED to be transmitted outside of the compartment. The conduit may be configured to prevent EO radiation from leaking into the environment.

Abstract: Disclosed is a display device wherein moving of a display panel in the planar direction is suppressed, while reducing EMI. The liquid crystal display device is provided with the liquid crystal display panel, and a holding member, which holds the end portion of the liquid crystal display panel. The holding member includes: a front side holding section, which is disposed on the front side of the liquid crystal display panel; a rear side holding section, which is disposed on the rear side of the liquid crystal display panel; and regulating sections, which are disposed on the side of the liquid crystal display panel, and which regulate moving of the liquid crystal display panel in the planar direction of the liquid crystal display panel. The front side holding section has a function of blocking electromagnetic waves.

Abstract: A lighting device comprising a first group of solid state light emitters, an element containing luminescent material and a second group of solid state light emitters spaced from the element. In some embodiments, (1) at least 50% of light emitted by one of the first group does not mix with light emitted by the second group before the light emitted by the second group has entered the element, (2) at least 90% of exiting light emitted by the second group travels farther within the lighting device than 90% of exiting light emitted by the first group, (3) an average distance traveled by exiting light emitted by the second group is farther than an average distance traveled by exiting light emitted by the second group, and/or (4) light emitted by the first group directly exiting the lighting device exits the lighting device without being incident upon the element.

Abstract: The invention relates to a luminaire (1) comprising a housing (2) having at least one side wall part (3) and a bottom wall part (5), a light source (7) being positioned in the housing (2), and a curved, optically transparent sheet (10) having a plurality of elongated linear prism structures with right top angles (16) on its concave surface. Said surface faces away from the light source (7). The invented luminaires (1) show reduced glare. They can be used with great advantage in office lighting and house lighting.

Abstract: The invention relates to mixtures comprising at least one phosphor of the formula I, AaLuc,CexAll,GamO12??(I) and at least one red-emitting phosphor, to a corresponding process for the preparation of these mixtures, and to the use thereof as conversion phosphors.

Abstract: The present invention discloses a LED backlight module and a LCD device, wherein said LED backlight module comprises a reflector, multiple LEDs arranged on the reflector and a diffuser plate arranged oppositely to the LEDs; said diffuser plate is provided with multiple uniform-lighting structures. Because the diffuser plate of the LED backlight module of the present invention is provided with the uniform-lighting structures, the distance of light mixing and the light diffusion effect are increased through the reflecting and scattering effects of the uniform-lighting structures. Thus, the direct light backlight module is thinned, the number of LEDs is reduced, and the mura phenomenon is reduced.

Abstract: A multifunctional compound lamp includes a lamp base, which has a circumferential wall forming a plurality of light transmission apertures and receives and retains therein a lighting module and a heating module; a liquid receptacle, which is positioned on an upper end of the lamp base and is set adjacent to the heating module that is received in the lamp base; and a control circuit, which is arranged at a circumference of the lamp base and is electrically connected to the lighting module and the heating module in the lamp base. The control circuit includes a control knob that controls the lighting module and the heating module. When the control knob is actuated, the lighting module gives off light and the heating module carries out heating operation that heats and evaporates a liquid contained in the liquid receptacle to show different atmosphere through combination of lighting and scent smell.

Abstract: Described herein are hands-free vision aids that may be used for low-vision reading. These vision aids may be beneficial for individuals with low-vision disorders such as age-related macular degeneration, retinitis pigmentosa, and other visual disorders. The vision aids described here comprise an optical system with one or more light sources configured to provide a rectangular field of illumination with high illuminance levels bounded by high contrast perimeter. Such an illumination field greatly illuminates a targeted viewing region while reducing glare that arises from illuminating peripheral regions. Some vision aids use green light with high illuminance values for improving visual acuity and comfort for long-duration reading. The optical system of a vision aid may be configured to fit onto and/or integrate with eyeglass frames.

Abstract: A greenhouse lighting fixture includes a Light Emitting Diode (LED) base support having a plurality of spaced-apart LEDs extending along a longitudinal axis of the LED base support. An optical element is coupled with the LED base support and has optical characteristics that result in at least 50% of the light produced by the LEDs being projected sideways from the fixture in oppositely directed side zones that flank a central zone wherein light is substantially blocked from projecting below the fixture. A greenhouse is encompassed that may include one or more of the LED lighting fixtures.

Abstract: A multipurpose lighting device comprising a flashlight end, a lantern end including a barrel through which light may pass, and a module mounted between the flashlight end and lantern end. The module includes a first light source configured to direct light out the flashlight end, and a second light source configured to direct light out the lantern end. The second light source is disposed on an opposite end of the module from the first light source. The module further includes a power source configured to energize the first light source and second light source, wherein the second light source is oppositely disposed on the module from the first light source.

Abstract: A surface mount light (10) comprises a base assembly (12) and a first diffuser (14). The base assembly (12) includes (i) a housing body (25) having a base (16) and a side (18) that is coupled to the base (16), the base (16) being mountable on a surface (15); (ii) a light assembly (22) positioned substantially within the housing body (25), the light assembly (22) including one or more LED lights (34), wherein power is selectively provided to the light assembly (22) such that at least one of the one or more LED lights (34) directs light away from the base (16); and (iii) a first attachment member (40). The first diffuser (14) includes a second attachment member (42) that selectively engages the first attachment member (40) to selectively attach the first diffuser (14) to the base assembly (12) without damaging the base assembly (12) and the first diffuser (14).

Abstract: A a high power luminaire of modular design that is configured such that the thermal management system is integral to its structure. Thus, the basic configuration of the luminaire consists of the LED array attached to the integrated cooling system. Other components and modules that are attached/added to the basic structure include the power/drive module as well as heat transfer enhancement features, air-blowing means, light management components/assemblies and electrical/mechanical fixtures.

Abstract: A lighting fixture is provided that includes a flat elongated base having opposing longitudinal marginal slots and a pair of upright walls inboard of the longitudinal slots, and a pair of end caps engaging opposing ends of the elongated base. A gasket extends along a longitudinal surface of each of the upright walls. A lens extends between opposing end caps and conforms to the curved marginal edges of the end caps and edges and upright walls. The lens has two opposing longitudinal grooves that align with a pair of side rails extending between the end caps. Each side rail has a longitudinal cam projection extending into the associated lens groove. When the side rails are tightened against the lens, the cam projections tighten the lens into contact with the gasket to form a water tight seal between the lens and the base.

Abstract: A solid state lighting device includes a relatively rigid, thermal dissipation plate with opposite sides, a printed circuit in intimate thermal contact with one side of the plate, at least one LED positioned against and electrically connected to the printed circuit and a shell having a rim secured to the one side of the plate so that the shell substantially covers the LED whereby when the LED is energized, light therefrom radiates into the shell and heat from the LED is conducted away by the plate.

Abstract: Disclosed is a lighting system and a method to change the internal light source of the lighting system, wherein maintenance and aesthetic considerations make it necessary to access the internal light source solely from the front of the lighting system without moving or removing a sign face. Access, in part, is provided by a light baffle track system inside the light system that turns a flexible light baffle (i.e., the light source) within the service box from a substantially vertical orientation to a substantially horizontal orientation as the flexible light baffle is removed and reinstalled through the service box and front access door. The flexible light baffle and light baffle track system work in concert to efficiently turn the flexible light baffle solely within the service box such that the height and depth of the service box is minimized.

Abstract: Disclosed herein is an LED-type illuminating module, which independently functions as an illuminating apparatus and which is used to constitute various kinds of illuminating apparatuses having desired outputs by providing a plurality of the LED-type illuminating modules on a module fixing plate 8 of a predetermined area, including: a light transmission or diffusion plate; an LED substrate on which LEDs are fixed at regular intervals by soldering; a radiator formed by die-casting a light metal alloy; a waterproof ring; a plurality of radiating plates made of a light metal alloy; a housing formed by injection-molding a conductive polymer resin material; a waterproof packing; and a power supply converter.

Abstract: An image lens structure includes a lens module, a supplementary lamp, a light shield, and a lid. The lens module has an image lens that is surrounded by the supplementary lamp. The light shield is fixed to an inner portion of the supplementary lamp by engagement screws and springs. The image lens is surrounded by the light shield. The lid is disposed over the image lens. The light shield abuts the lid around the active area of the image lens, and is capable of moving with the orientation of the image lens. The light shield prevents dazzle resulting from the light generated by the supplementary lamp.

Abstract: An encapsulating sheet includes an encapsulating layer for encapsulating a light emitting diode element, a light scattering layer formed at one side in a thickness direction of the encapsulating layer and for scattering light emitted from the light emitting diode element, and a spacer layer interposed between the encapsulating layer and the light scattering layer.

Abstract: The invention relates to a luminaire with LED technology, which comprises a power supply, wiring, a plurality of electronic components (7), a translucent or transparent closure (5), a protective housing (3) for the lighting system, and at least one electronic base plate (1) having a plurality of LEDs (2), the luminaire being characterized in that it comprises a thin film which is made of highly reflective material and is applied to at least 5% of a first surface (4a) defined by the surface of said at least one electronic base plate (1) and the electronic components (7) adjacent thereto; and/or is applied to at least 5% of a second surface (4b) defined by the inner surface of the protective housing (3) between said at least one electronic base plate (1) and the translucent or transparent closure (5).

Abstract: Certain example embodiments relate to lighting system covers that include AR-coated textured glass, and/or methods of making the same. In certain example embodiments, at least one light source is provided proximate to a cover comprising a glass substrate. The glass substrate includes an anti-reflective (AR) coating on the surface that is closer to the at least one light source, and the glass substrate is textured (e.g., such that it is substantially prismatic in texture) on the surface opposite the AR-coated surface. The surface of the glass substrate on which the AR coating is formed may be a flat, irregular, or textured matte. An optional AR coating also may be formed on the textured surface of the glass substrate.

Abstract: A luminaire according to embodiments includes a body portion, a light source provided at one end portion of the body portion and having a light-emitting element, a globe provided so as to cover the light source, and a thermal transfer portion thermally joined to at least either one of the globe or a thermal radiating surface of the body portion on the end portion side. Then, an end surface of the thermal transfer portion on the side of the globe is exposed from the globe.

Abstract: An inverter unit protective cover for a lighting device configured to enhance versatility with low cost is provided. An inverter unit protective cover for a lighting device according to the present invention is an inverter unit protective cover for a lighting device protecting an inverter unit attached to the lighting device in which a plurality of light sources is housed in a chassis and includes a cover main body including a ceiling portion covering a side of the inverter unit away from the chassis and a circumferential wall portion covering a circumference of the inverter unit. The cover main body is formed in a sheet shape and made of an insulating material. The cover main body has a folding guide line at a border between the ceiling portion and the circumferential wall portion.

Abstract: A tubular light-emitting diode (LED) lamp including a planar printed circuit board (PCB) with a first side and a second side, wherein the planar PCB is positioned within a tubular sheath; a first plurality of light-emitting diodes (LEDs) mounted on the first side, wherein at least one of the first plurality of LEDs is mounted substantially perpendicular to the first side; a second plurality of LEDs mounted on the second side, wherein at least one of the second plurality of LEDs is mounted substantially perpendicular to the second side; an electrical end cap coupled at a first end of the PCB; and a non-electrical end cap coupled at a second end of the PCB, wherein the first end and the second end are at opposite ends of the tubular sheath. In one example, the LED lamp includes a capacitor reactance ballasted power supply for supplying voltage to the LEDs.

Abstract: A bulb-type LED lamp having a replaceable light source module includes a lamp head module, a lamp casing module and a light source module. The lamp head module has an electrical-conductive connection portion. One end of the lamp casing module is connected to the lamp head module. The light source module comprises a substrate, a plurality of LEDs electrically connected to the substrate, and a sleeve disposed in the lamp casing module to be electrically connected to the substrate. The sleeve has an electrical-conductive insertion portion assembled with the electrical-conductive connection portion. By this structure, a damaged light source module can be replaced rapidly. A user needs not to by a new whole set lamp so as to save the cost maintenance. Further, a surface thermal contact is generated between the metallic pressing plate and the heat-conducting plate to increase the heat-conducting area and efficiency.

Abstract: A lighting apparatus may include: a light source substrate, to the front side of which at least one semiconductor light source is fitted and the rear side of which is fitted to an electrically conductive carrier; wherein alongside the light source substrate at least two electrically conductive contact pins are led through the carrier and the contact pins are electrically connected to the at least one semiconductor light source; wherein the contact pins are in each case introduced into an electrically insulating sleeve and the respective sleeve is inserted into an associated cutout of the carrier.

Abstract: A street lamp having a tubular pole element has a projection device (6) light source (35) that is built into the pole element (4). With an optical focusing device (36) in the mast element (4), the rays of the light source are projected onto an optical deflecting mirror (20) via a focusing device (36), deflecting the light rays can be deflected through a light exit opening (5) of the pole element (4) onto a remote projection surface. A motif carrier (48) is provided in the ray path between the light source (35) and the deflecting mirror (20). The motif carrier accommodates a motif (49) to be depicted on the projection surface. An adjustable projection lens (57, 58) is arranged between the motif carrier (48) and the deflecting mirror (20), by means of which at least the sharpness of the motif (49) depicted on the projection surface can be adjusted.

Abstract: A luminaire of an embodiment includes an apparatus body, a light source unit, and a cover member. The light source unit is disposed in the apparatus body and including a light-emitting element as a light source. The cover member has translucency and diffusing properties, is formed so as to project from a front side edge portion of the apparatus body, includes a side wall extending along the edge portion and formed upright within a range of inner angle from 60° to 90° with reference to a horizontal plane at least partly along the edge portion, and covers the light source unit so as to leave a substantially center portion of the apparatus body as an uncovered portion.

Abstract: The invention describes a gas-discharge lamp (1) comprising a vessel (5), which vessel (5) is partially coated with at least one longitudinal stripe (SH, SH?) arranged on the surface of the vessel (5) below a horizontal plane (P) through a longitudinal axis (X) through the centre of the lamp (1) such that, on each side of the lamp, an angle (?H1, ?H2) subtended at the lamp centre by the horizontal plane (P) and an upper edge (16, 17) of the longitudinal stripe (SH, SH?) on that side of the lamp comprises at least 10°, more preferably at least 13°, most preferably at least 15°.

Abstract: A luminous flux control member that controls travelling direction of light emitted from a light source includes an incident area, an emission area, and a plurality of projecting sections. The plurality of projecting sections are constituted by an inner area, an intermediate area, and a peripheral area defined in the radial direction, and a first specific projecting section disposed in the inner area is configured such that a planar section that is used to measure the height of the first specific projecting section and is perpendicular to the optical axis is connected to an inner peripheral end and an outer peripheral end of a base end portion of the first specific projecting section. The projecting sections other than the first specific projecting section, in principle, come into contact internally or externally with another projecting section other than the first specific projecting section.

Abstract: A display element and a display device in which the display element is mounted. The display may be a variable message sign. The sign includes a tube-like housing in which lenses and apertures can be disposed. The light exiting a light source is emitted via an emitting surface, by way of which an illuminated traffic sign results from interacting with further display elements. The light source and the optical elements are disposed at different heights in the horizontally oriented housing. The optical axes can thereby extend horizontally, or the optical elements can lie on a main axis which is tilted downward in an radiation direction. In both cases, sunlight impinging from above at an angle advantageously falls on the LED to a slight degree, by way of which the phantom light phenomenon is minimized.

Abstract: An illumination device for planar light sources gives uniform illumination on an illuminated plane. A of lengthwise direction and length of breadthwise direction are different from each other. The illumination device includes a planar light source and an optical element including a light receiving surface for receiving light form the planar light source and a light exiting surface. A shape of the planar light source is symmetric with respect to x-axis and y-axis and a length of the shape in x-axis direction is shorter than length of the shape in y-axis direction; the center of the planar light source is set as the origin and two axes orthogonal to each other are selected as x-axis and y-axis. Assuming that the maximum value of x-coordinate of the planar light source is a and the maximum value of y-coordinate of the planar light source is b, the following relationships hold: h ab = ( h a + a ) - ( h b + b ) ( h a + a ) h ab ? 0.02 .

Abstract: A light-emitting diode is provided, which comprises a baseplate; at least one semiconductor light-emitting element installed on the baseplate; and at least one deformable lens conducting a light beam emitted by the semiconductor light-emitting element. The deformable lens not only has a varifocal function but also can deform into a convex, plane, concave or irregular lens, and thus can adjust the light beam emitted by the semiconductor light-emitting element to have different patterns and present different optical signals.

Abstract: A lamp shield (1) for coupling to an illuminating device (2) includes a housing (21) and a light source (22) disposed in the housing (21). The lamp shield (1) includes a top wall (11) having a reflecting surface (114) for facing the light source (22), and a surrounding wall (12) connected to the top wall (11). The surrounding wall (12) has a light transmissive portion (121), and an engaging portion (122) respectively proximate to and distal from the top wall (11). The engaging portion (122) has at least one slit (14) extending from a bottom edge (17) thereof toward the light transmissive portion (121), and is for engaging the housing (21). The light transmissive portion (121) includes a plurality of connecting ribs (123) interconnecting the top wall (11) and the engaging portion (121), and a plurality of light-passage holes (124) alternating with the connecting ribs (123).

Abstract: An integrated laminate structure adapted for application in the context of solar technology, wafer technology, cooling channels, greenhouse illumination, window illumination, street lighting, traffic lighting, traffic reflectors or security films, includes a first carrier element such as a piece of plastic or glass, optionally having optically substantially transparent material enabling light transmission therethrough, a second carrier element provided with at least one surface relief pattern including a number of surface relief forms and having at least one predetermined optical function relative to incident light, the second carrier element optionally including optically substantially transparent material enabling light transmission therethrough, the first and second carrier elements being laminated together such that the at least one surface relief pattern has been embedded within the established laminate structure and a number of related cavities have been formed at the interface of the first and second c

Abstract: A diffuser-integrated prism sheet is provided. The prism sheet for backlight units includes a lower diffuser layer having a light diffusion structure, a lower layer formed on the lower diffuser layer, a first intermediate layer formed on the lower layer and having prism-shaped protrusions formed parallel to each other, a second intermediate layer formed on the first intermediate layer, an upper layer formed on the second intermediate layer, and an upper diffuser layer formed on the upper layer and having a light diffusion structure, wherein an air layer is formed between the lower surface of the second intermediate layer and the valleys of the prism-shaped protrusions of the first intermediate layer. Also, a method of manufacturing the diffuser-integrated prism sheet is provided.

Abstract: A lighting device according to an embodiment includes a main body unit, a light source which is provided at one end portion of the main body unit, and includes a light emitting element, a globe which is provided so as to cover the light source, and a heat conducting unit whose end surface on the globe side is exposed on the outside of the globe, and which thermally bonds the globe and a heat radiating surface of the main body unit on the end portion side. The heat conducting unit includes a plate-shaped unit in which a first plate-shaped body, and a second plate-shaped body which crosses the first plate-shaped body are integrally formed.

Abstract: In a lamp heat dissipating device and a heat dissipating assembly mounted onto a lamp base, the heat dissipating device includes a heat conducting base, a U-shaped heat pipe, and a heat dissipating body. The heat conducting base includes a groove formed on a surface of the heat conducting base. The U-shaped heat pipe includes an evaporation section and two condensation sections, and the evaporation section is combined into a groove. The heat dissipating body includes a circular cylinder and a plurality of hollow heat dissipating cylinders. The circular cylinder includes two containing grooves provided for inserting two condensation sections respectively, and the heat dissipating cylinders are arranged into a circular shape with a gap from one another and installed on an external side of the circular cylinder to increase the heat conducting area and heat dissipating area so as to improve the heat dissipating efficiency.

Abstract: A light bar fixing device comprises a light bar defining a through-hole and a heat dissipation mechanism defining a threaded hole corresponding to the through-hole. The light bar fixing device further comprises a helical spring having a pitch identical to that of the threaded hole. A columnar body of the helical spring is adapted to be threaded into the threaded hole, and an outer diameter of a stop end of the helical spring is greater than that of the columnar body. By threading the helical spring into the threaded hole, the light bar can be securely connected to the heat dissipation mechanism with a clearance therebetween being reduced. Also, the light bar can dissipate heat evenly via the heat dissipation mechanism to allow a uniform temperature distribution in the light bar, thus resulting in a desirable light emitting effect and a prolonged service life of the light bar.

Abstract: A vehicle lighting apparatus has a semiconductor light-emitting device, an optical unit for discharging light of the semiconductor light-emitting device toward an irradiated area, a driving circuit portion for supplying electric power to the semiconductor light-emitting device, and a heat radiating portion. The semiconductor light-emitting device is directly attached to the driving circuit portion. The optical unit, the driving circuit portion and the heat radiating portion are assembled together to form a lighting module.

Abstract: A vehicle lamp includes a first lamp having a first light emitting area, the first light emitting area having a circular shape or a roughly circular shape, a second lamp having a second light emitting area, the second light emitting area having a ring shape surrounding the first light emitting area, a lamp housing inside which the first lamp and the second lamp are provided, the lamp housing having an outer lens, the outer lens having first light distribution control steps in the first light emitting area, and an inner lens having second light distribution control steps in the second light emitting area.