Abstract: A heat sink clip (30) includes an elongated resilient main body (31) with two spaced barbs (315) at a first end thereof, a first locking member (33) coupled with a second end of the main body and a moveable second locking member (32) movably coupled with the first end of the main body. The barbs each vertically extend and include a neck (3151) connecting with the main body and a locking end (3152) at a free end thereof. The moveable second locking member includes an operating portion (321) and a locking leg (322) defining two connecting slots (323) therein. Each of the connecting slots includes a longitudinally narrow portion (3231) and a longitudinally wide portion (3232) beside the narrow portion. The barbs enter the connecting slots through the wide portions and the necks are received in the narrow portions.

Abstract: An LED (10) includes a chip with a light-emitting surface (140) and an encapsulation on the chip. The encapsulation has a light output surface (110) facing the light-emitting surface of the chip and has a convex surface (112) surrounding a concave surface (114). A portion of light (30) emitted by the light-emitting surface is refracted divergently via the concave surface to a predetermined area above and around the concave surface, and another portion of light (40) emitted by the light-emitting surface is refracted convergently via the convex surface to the predetermined area.

Abstract: An LED lamp (100) includes a lamp enclosure (10), two arrays of LEDs (33) and a fixing plate (20). The lamp enclosure defines a depression (15) therein and an opening (156) at a top side thereof. The LEDs are received in the depression. The fixing plate is vertically received in the depression and has two lateral sides (23) facing towards an internal surface (110) of the lamp enclosure. The LEDs are mounted on two LED modules (30) which are respectively mounted on the lateral sides of the fixing plate so that the light rays (71, 73) emitted by the LEDs are firstly directed to and reflected by the internal surface of the lamp enclosure, and then directed to an outside of the LED lamp through the opening.

Abstract: A light emitting diode (LED) lamp (100) includes a heat sink (200), an LED module (400) attached to a bottom side of the heat sink (200), and an air exhausting duct (300). The air exhausting duct includes a cover (320) and a hollow tube (340) extending upwardly from the cover. The cover is mounted on a top side of the heat sink with an air collecting chamber (326) defined between the heat sink and the cover. The air collecting chamber communicates with an air passage (342) defined in the tube.

Abstract: A light emitting diode device includes a substrate, a plurality of light emitting diode chips mounted on the substrate and arranged in a plurality of lines and a frame located on the substrate. The frame includes a plurality of first plates each extending along a first direction of the substrate, a plurality of second plates each extending along a second direction of the substrate and a plurality of reflecting plates. The first plates and the second plates cooperatively form a plurality of receiving rooms for receiving the light emitting diode chips therein. Each reflecting plate is located above a corresponding line of light emitting diode chips and inclined with respect to the substrate.

Abstract: A securing device includes a securing member defining a securing hole therein, and a fastener extending through the securing hole. The fastener includes a spring, and a bolt having a main portion, a bottom fixing portion, and a top head portion. The securing hole includes a large portion, a small portion, and a concave around the small portion. A diameter of the small portion is greater than the main portion and smaller than the fixing portion. A diameter of the large portion is greater than the fixing portion and smaller than the spring. The main portion extends through the small portion with the fixing portion tightly abutting the securing member. The spring is mounted around the main portion and received in the concave. The spring is compressed between the head portion and a step of the securing member in the concave.

Abstract: A light emitting diode (LED) lamp includes a lampshade, a light guide pole and a plurality of LEDs. The light guide pole is of light permeable material and received in the lampshade. A plurality of irregular elements is formed on an outer surface of the light guide pole. A distribution density of the irregular elements decreases gradually from two ends of the light guide pole towards a middle of the light guide pole. The LEDs are mounted at the two ends of the light guide pole. Light emitted by the light emitting diodes falls incident into the light guide pole and exits the light guide pole from the outer surface thereof.

Abstract: A lens (11) of an illumination device (10) includes a body (110), a light output surface (12) located on a top of the body and a plurality of recesses (120) defined in the light output surface. The recesses extend along a transverse direction of the light output surface and are distributed along a longitudinal direction thereof. Each of the recesses includes a concave, curved wall (122) and a vertical wall (123). The recesses are divided into two groups symmetrically located on the light output surface and arranged at two sides with respect to a middle recess (120a) defined in a middle portion of the light output surface. An LED (14) is received in a groove (126) defined in a bottom of the body of the lens. The lens and the LED are mounted on a reflective base (16).

Abstract: A securing device (30) is used for securing a heat sink (10) to a printed circuit board (40) with a heat-generating electronic component (41) mounted thereon. The securing device includes a V-shaped elongated main body (31), a first locking leg (34), a second locking leg (332) and a resilient member (32). The first locking leg and second locking leg are connected to two opposite ends of the main body respectively for engaging with a retention frame (20) on the printed circuit board. The resilient member includes a planar-shaped supporting plate (321) engaging with a bottom portion of the main body and at least one resilient foot (322) extending downwardly from the supporting plate. The resilient foot deforms to exert a resilient force on the heat sink when the heat sink is assembled to the electronic component by the securing device.

Abstract: A heat sink clip (30) includes an elongated resilient main body (31) with two spaced barbs (315) at a first end thereof, a first locking member (33) coupled with a second end of the main body and a moveable second locking member (32) movably coupled with the first end of the main body. The barbs each vertically extend and include a neck (3151) connecting with the main body and a locking end (3152) at a free end thereof. The moveable second locking member includes an operating portion (321) and a locking leg (322) defining two connecting slots (323) therein. Each of the connecting slots includes a longitudinally narrow portion (3231) and a longitudinally wide portion (3232) beside the narrow portion. The barbs enter the connecting slots through the wide portions and the necks are received in the narrow portions.

Abstract: A heat sink clip for securing a heat sink to a heat generating electronic component includes a spring member including an elongated main body. A connecting portion is formed at one end of the main body and a first locking leg extends from the other end thereof. A second locking leg is coupled to the connecting portion of the spring member. An actuating member connects pivotally with the second locking leg. An assisting member, which is located between the actuating member and the connecting portion, includes a wedged main body. When the actuating member is rotated from a first orientation to a second orientation, the assisting member horizontally moves a distance thereby moving the actuating member to a raised level. The actuating member has teeth engaging with teeth formed on an inclined face of the wedged main body.

Abstract: A light emitting diode (LED) lamp (100) includes a heat sink (200), an LED module (400) attached to a bottom side of the heat sink (200), and an air exhausting duct (300). The air exhausting duct includes a cover (320) and a hollow tube (340) extending upwardly from the cover. The cover is mounted on a top side of the heat sink with an air collecting chamber (326) defined between the heat sink and the cover. The air collecting chamber communicates with an air passage (342) defined in the tube.

Abstract: A light emitting diode (LED) (100) includes a base (200), a chip body (300) and an encapsulation portion (400) sealing the chip body (300) in the base (200). The base (200) has a concave depression (220) defined therein. The depression (220) has a bottom wall (222) and a sidewall (224) extending upwardly from the bottom wall (222). The sidewall (224) is arranged in a half-ellipsoidal surface round the bottom wall (222). The chip body (300) is disposed on the bottom wall (222). The encapsulation portion (400) has a bottom portion (440) and a top portion (420). The bottom portion (440) has an outer surface (442) matingly received in the depression (220), and the top portion (420) has a convex, half-ellipsoidal surface (422). The sidewall (224) reflects light generated by the chip body (300) to run through the convex, half-ellipsoidal surface (422).

Abstract: A heat dissipation device (100) for dissipating heat of LEDs (80) includes a heat sink (10). The heat sink includes a plurality of fins (12). Each of the plurality of fins defines a plurality of notches (120) in a peripheral edge thereof. The fins are spaced from each other from top to bottom. The notches coincide with each other from top to bottom so as to form a plurality of vertical air channels (122) in a periphery of the heat sink. A thermal base (40) has a bottom face to which the LEDs are attached. A U-shaped heat pipe (30) has an evaporator (32) connected to the thermal base and a condenser (35) extending upwardly through the fins.

Abstract: An LED lamp (100) has a heat dissipation device (50) which includes a base (51) and a plurality of fins (53) extending from an outer side of the base. The base includes two channels (553). A capillary wick structure is formed in each of the channels. The channels contain working liquid therein. Two ends of each channel are sealed to form a heat pipe structure (55) in the base.

Abstract: A flexible heat pipe (10) includes a casing (12), a wick structure (20) arranged in the casing, and a working medium saturated in the wick structure. The casing includes an evaporation section (122), a condensation section (126), and a flexible adiabatic section (124) connecting the evaporation section with the condensation section. The wick structure includes a first portion (21), a second portion (23) and a third portion respectively disposed in the evaporation, the condensation and the adiabatic sections of the casing. The adiabatic section of the casing further accommodates a supporting member (30) therein for supporting the third portion of the wick structure to have an intimate contact with an inner surface of the adiabatic section.

Abstract: A heat dissipating apparatus (10) for dissipating heat from a heat-generating electronic component includes a heat sink (14), a resilient clipping member (162), and an operating member (164). The heat sink contacts with the heat-generating electronic component, and includes a fin assembly (144) which defines a channel (146) therein. The resilient clipping member is received in the channel of the heat sink for mounting the heat sink on the heat-generating electronic component. The operating member is pivotally mounted to the clipping member. At least one portion of the operating member is mounted between the fin assembly and the clipping member. The at least one portion can move from an unlock position to a lock position to support the clipping member away from the heat-generating electronic component.

Abstract: A locking device (10) for securing a heat sink (20) to a heat generating component (30) includes a pair of operating members (14) and a pair of locking members (16). Each operating member includes a pivot shaft (142) defining an axis and an operation handle (144) extending from the pivot shaft along a first direction. The pivot shaft has an offset section (146) offsetting from the axis thereof in a second direction. The first direction and the second direction form an angle therebetween. Each locking member is attached to the offset section of one of the operating members. The operation handle of each operating member is capable of rotating about the axis of the pivot shaft from an unlocked position to a locked position and accordingly the offset section of the pivot shaft drives the locking member to move upwardly.

Abstract: A heat sink clip and an assembly incorporating such clip are provide. The heat sink clip comprises: a body, an actuating member and a movable fastener. The body has a securing portion formed at one end thereof. The actuating member has a hinge portion thereof. The movable fastener is secured to the hinge portion of the actuating member. The actuating member is pivotably mounted to the securing portion of the body in a direction substantially perpendicular to the body, and the actuating member is turnable relative to the body between a locked position and an unlocked position.

Abstract: A wire fixture (27) is for fastening power wires (246) of a heat-dissipating fan (24) to a supporting surface of a heat dissipation device (20). The heat dissipation device is for dissipating heat from a heat-generating electronic component. The wire fixture includes a catching portion (278) for being attached to an end of the supporting surface, a fixing portion (272) disposed with adhesive thereon, for being fixed to an opposite end of the supporting surface, and a covering portion (276) formed between the catching portion and the fixing portion and being without adhesive spread thereon, for urging the power wires of the heat dissipating fan to the supporting surface. The catching portion is without adhesive thereon.