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 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 light source module (100) includes a plurality of light emitting diodes (13), a heat dissipation device (30) and a thermoelectric cooler (20). The thermoelectric cooler has a cold side (21) and a hot side (23). The light emitting diodes are in thermal engagement with the cold side of the thermoelectric cooler. The heat dissipation device is in thermal engagement with the hot side of the thermoelectric cooler.

Abstract: A mounting device (10) for mounting a heat sink (40) onto a printed circuit board (60) with a heat generating electronic component (50) mounted thereon. The mounting device includes a mounting frame (101) and two resilient clips (102) attached to the mounting frame. The mounting frame includes two first mounting arms (1011) and two second mounting arms (1012) disposed above the first mounting arms. The first mounting arms are configured for being attached to the printed circuit board. The resilient clips are configured for being sandwiched between the second mounting arms of the mounting frame and the heat sink. The resilient clips each include two resilient arms (1023) configured for providing a resilient force which urges the heat sink toward the heat generating electronic component.

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 lamp (100) includes a plurality of LED modules (20) and a thermal module (30). Each of the LED modules has a plurality of LEDs (220). The thermal module is secured to a side of the LED modules. The thermal module includes a plurality of fins (320). The fins are stacked with one above another with a gap defined between two adjacent fins. Each of the fins defines two opening (325). The openings of the fins coincide with each other from top to bottom so as to form two channels (328). The channels are used for air to flow therein to exchange heat with the fins.

Abstract: An electrical card connector (100) for insertion of an electrical card (200) includes an insulative housing (1) defining a receiving space (14) for insertion of the electrical card. The insulative housing includes a bottom wall (10) and a side wall (12) extending from a lateral side of the bottom wall. A number of terminals (3) are retained in the insulative housing and extend into the receiving space for electrical connection to the electrical card. An ejecting mechanism (4) includes a slider (41) movable along card-insertion or card-withdraw directions, a coil spring (42) for urging the slider, and a connecting rod (43) having an one-end bend portion retained in the insulative housing and an other-end bend potion movable in a heart-shaped cam groove (412) formed in the slider. The side wall of the insulative housing has a protrusion (125) extending from an upper side thereof to abut downwardly against the slider (41).

Abstract: An electronic apparatus includes a PCB with a heat generating electronic component disposed thereon, a heat sink, and a mounting device for mounting the heat sink onto the heat generating electronic component. The mounting device includes a mounting frame and a wire clip. The mounting frame surrounds the heat sink, and includes two first mounting arms and two second mounting arms disposed above the first mounting arms. The first mounting arms abut on the PCB. A pair of engaging wings are formed on the second mounting arms. The wire clip includes a pivot axis pivotably attached to the mounting frame and two resilient arms at opposite sides of the mounting frame. The resilient arms abut against the heat sink and engage with the engaging wings, thereby exerting a resilient force on the heat sink toward the heat generating electronic component.

Abstract: An LED lamp (10) includes a lamp base (100), an optical lens system (400), an LED (500) mounted in the optical lens system and a heat dissipation device (300) interconnecting the lamp base and the optical lens system. The heat dissipation device includes a heat sink (334) and a heat pipe (332). The heat sink includes a central block (3340), a plurality of fins (3342) mounted on an outer circumferential face of the central block and a receiving hole (3346) defined axially through the central block. The heat pipe is circumferentially retained in the receiving hole and in thermal contact with the LED.

Abstract: A card connector (100) for connecting an electronic card (200) includes an insulative housing (1), a plurality of contacts (2) retained in the insulative housing (1), and an ejector (3). The insulative housing (1) defines a receiving space (10) for receiving the electronic card (200). The ejector (3) includes a slider (31) retained in the insulative housing (1), a spring (32) and a pole (33) mounted between the slider (31) and a rear end of the insulative housing (1). The slider (31) has an inner side wall (310), an inclined face (3100) angled with respect to the inner side wall (3100) to abut against the electronic card (200), and a protrusion (3102) projecting inwardly from the inner side wall (310) to resist the electronic card (200) sideward. Thereby the electronic card (200) can be inserted in or ejected from the card connector (100) smoothly.

Abstract: A mounting device (10) for mounting a heat sink (20) to a printed circuit board (40) on which a heat generating electronic component (30) is disposed, includes a mounting frame (100), two clasping legs (104) and four resilient arms (105). The mounting frame includes two first mounting arms (101) and two second mounting arms (102) disposed above the first mounting arms. The first mounting arms abut on the circuit board. The clasping legs connect with the second mounting arms and are inserted through the printed circuit board to be attached to the printed circuit board. The resilient arms connect with the second mounting arms and exert a downward resilient force on the heat sink toward the heat generating electronic component.

Abstract: A mounting device (10) for mounting a heat sink (40) onto a printed circuit board (60) with a heat generating electronic component (50) mounted thereon. The mounting device includes a mounting frame (101) and two resilient clips (102) attached to the mounting frame. The mounting frame includes two first mounting arms (1011) and two second mounting arms (1012) disposed above the first mounting arms. The first mounting arms are configured for being attached to the printed circuit board. The resilient clips are configured for being sandwiched between the second mounting arms of the mounting frame and the heat sink. The resilient clips each include two resilient arms (1023) configured for providing a resilient force which urges the heat sink toward the heat generating electronic component.

Abstract: An LED assembly (10) includes an LED (12) and a lens (16). The lens covers on an outer periphery of the LED. The LED has an encapsulant (125) and an LED chip (121) received in the encapsulant (125) and having a light emitting surface (122). The lens has a light output surface (161) over the light emitting surface. The light output surface defines a plurality of annular, concentric grooves (163). Each groove (163) is cooperatively enclosed by a first groove wall (165) and a second groove wall (166). The first groove wall is a portion of a periphery of an imaginary cone and a conical tip of the imaginary cone is located on the light emitting surface of the LED chip.

Abstract: A memory card connector includes an insulative housing, a plurality of contacts retained in the insulative housing, a card eject mechanism and metal shell attached to the insulative housing. The insulative housing defines a card receiving cavity for insertion of a memory card. The card eject mechanism includes a slider moveable along card-insertion or card-withdraw directions and a locking member fixed to the slider. The locking member includes a protrusion which forms a sideward dimple. The metal shell includes a top wall covering the card receiving cavity. The top wall defines a slit for receiving the protrusion. An arced surface of the dimple is driven to abut against an inner side of the slit in order to reduce friction therebetween.

Abstract: A memory card connector includes an insulative housing and a plurality of contacts retained in the insulative housing and a pair of switch contacts. The insulative housing defines a card receiving cavity for receiving a memory card. The pair of switch contacts are of a first status when the memory card is located in a deepest insertion position of the card receiving cavity, and the pair of switch contacts are of a second status different from the first status when the memory card is located in a final working position.