Abstract: A multidirectional optical positioning method and a device thereof, and more particularly a signal transmission and positioning method applied to visible light communication and a device thereof. The device includes a transparent board having multiple different light conversion layers on the surface. The light conversion layers are arranged in one single axial direction. A light emitting unit is used to project an incident light onto an incident side of the transparent board. After the incident light passes through the light conversion layers, the incident light is converted into multiple radiating lights with different physical effects, which are emitted from an emission side of the transparent board. A sensor is disposed on the emission side of the transparent board to receive the radiating lights, whereby the position of the sensor can be found according to different extents of the physical effects of the different radiating lights.

Abstract: A light-emitting module has better white light color rendering index to provide white rendering effect in accordance with the requirements of various application sites. The light-emitting module includes a (circuit) substrate board and at least one ultraviolet ray emitter and at least one blue light emitter disposed on the substrate board. The light wavelength of the ultraviolet ray emitter ranges from 380 nm to 420 nm. The light wavelength of the blue light emitter ranges from 440 nm to 470 nm. A wavelength conversion layer is laid on the substrate board. The wavelength conversion layer includes a first wavelength conversion material and a second wavelength conversion material for receiving and converting the light emitted from the ultraviolet ray emitter into visible light and the light emitted from the blue light emitter into white light. After the lights are mixed, a white general output optical spectrum is achieved.

Abstract: An LED light core structure, which has better mechanical strength and good heat dissipation effect and is able to 360-degree project light. The LED light core structure includes a metal-made substrate having at least two faces. The substrate is formed with multiple openings communicating the two faces. At least one lug is connected with an edge of each opening. The lug is bent from one of the faces and extends outward from one of the faces. An LED is disposed on the lug, whereby the light of the LED is projected to one of the faces and the other opposite face through the opening. The substrate is unlikely to crack so that the ratio of good products is increased. The substrate can provide excellent heat dissipation effect for the LED. Due to the openings, the LED light core can project light to both sides of the substrate.

Abstract: A light-emitting module has better white light color rendering index to provide white rendering effect in accordance with the requirements of various application sites. The light-emitting module includes a (circuit) substrate board and at least one ultraviolet ray emitter and at least one blue light emitter disposed on the substrate board. The light wavelength of the ultraviolet ray emitter ranges from 380 nm to 420 nm. The light wavelength of the blue light emitter ranges from 440 nm to 470 nm. A wavelength conversion layer is laid on the substrate board. The wavelength conversion layer includes a first wavelength conversion material and a second wavelength conversion material for receiving and converting the light emitted from the ultraviolet ray emitter into visible light and the light emitted from the blue light emitter into white light. After the lights are mixed, a white general output optical spectrum is achieved.

Abstract: A multidirectional optical positioning method and a device thereof, and more particularly a signal transmission and positioning method applied to visible light communication and a device thereof. The device includes a transparent board having multiple different light conversion layers on the surface. The light conversion layers are arranged in one single axial direction. A light emitting unit is used to project an incident light onto an incident side of the transparent board. After the incident light passes through the light conversion layers, the incident light is converted into multiple radiating lights with different physical effects, which are emitted from an emission side of the transparent board. A sensor is disposed on the emission side of the transparent board to receive the radiating lights, whereby the position of the sensor can be found according to different extents of the physical effects of the different radiating lights.

Abstract: A knockdown optical component structure is disclosed. According to the light source wattage, size or area, an operator can change the optical lens assembling mode and optical emission effect to modify the light source illumination or arrangement form. The knockdown optical component structure includes a light guide substrate body and at least one light guide body assembled therewith. A connection section is disposed on a circumferential section of the light guide substrate body. A predetermined section of the light guide body is formed with a perforation (or a depression). An assembling section is formed on the perforation or the depression. The connection section is rotatably connected with the assembling section, whereby the light guide substrate body is detachably received in the perforation or the depression of the light guide body to form an optical component assembly.

Abstract: A dimmable light-emitted diode (LED) packaging structure is described. The dimmable LED packaging structure employs a plurality of first fluorescent layers respectively positioned on some of a plurality of first types of LED chips to solve the problems of color temperature and light mixing uniformity. Further, a second fluorescent layer overlays the first fluorescent layers and a potion of the first types of LED chips to simplify the manufacturing step of dimmable LED packaging structure.

Abstract: A capacitor seat and two conductors are utilized to install a capacitor seat on a PCB by soldering the two conductors on electrical contacts of the PCB. The capacitor is installed on the capacitor seat in a fastening way such as by pressing downward, rotating the capacitor or in other feasible fastening ways to be electrically connected with the electrical contacts on the PCB. If the detachable capacitor device has errors or is damaged in use, or a user wants to replace it with a different type of the capacitors to test or adjust the characteristic of the circuit, it is easy to replace the capacitor.

Abstract: A method for manufacturing a light emitting diode (LED) assembly comprises the steps of: covering a light-reflection layer onto a substrate layer, covering a light-emitting layer onto the light-reflection layer, and forming a P type electrode and an N type electrode extended from the light-emitting layer, perforating through the light-reflection layer, and exposed from the substrate layer to form an LED chip structure; packaging the LED chip structure with a light-transmissible packaging material and keeping the P type electrode and the N type electrode exposed from the light-transmissible packaging material to form a molded LED chip cell; and electrically connecting the P type electrode and the N type electrode of the molded LED chip cell to a circuit board, so as to manufacture the LED assembly.

Abstract: A LED lamp with 360-degree illumination includes a base, a first substrate, a stepped structure, a plurality of LEDs, and a cover. The first substrate is fixed on the base. The stepped structure is mounted on the first substrate. The stepped structure has a first annular frame connected to the first substrate, a second substrate connected to the first annular frame, and a second annular frame connected to the second substrate. The peripheral length of the second annular frame is smaller than that of the first annular frame. The plurality of LEDs is fixed to the first substrate and the second substrate and surrounds the first annular frame and the second annular frame respectively. With this arrangement, the LEDs can be arranged in a multi-storey stepped structure to generate an effect of 360-degree illumination. Also, the illumination range of the lamp can be increased.

Abstract: A method for manufacturing a light emitting diode (LED) assembly comprises the steps of: covering a light-reflection layer onto a substrate layer, covering a light-emitting layer onto the light-reflection layer, and forming a P type electrode and an N type electrode extended from the light-emitting layer, perforating through the light-reflection layer, and exposed from the substrate layer to form an LED chip structure; packaging the LED chip structure with a light-transmissible packaging material and keeping the P type electrode and the N type electrode exposed from the light-transmissible packaging material to form a molded LED chip cell; and electrically connecting the P type electrode and the N type electrode of the molded LED chip cell to a circuit board, so as to manufacture the LED assembly.

Abstract: A LED lamp with 360-degree illumination includes a base, a first substrate, a stepped structure, a plurality of LEDs, and a cover. The first substrate is fixed on the base. The stepped structure is mounted on the first substrate. The stepped structure has a first annular frame connected to the first substrate, a second substrate connected to the first annular frame, and a second annular frame connected to the second substrate. The peripheral length of the second annular frame is smaller than that of the first annular frame. The plurality of LEDs is fixed to the first substrate and the second substrate and surrounds the first annular frame and the second annular frame respectively. With this arrangement, the LEDs can be arranged in a multi-storey stepped structure to generate an effect of 360-degree illumination. Also, the illumination range of the lamp can be increased.

Abstract: A capacitor seat and two conductors are utilized to install a capacitor seat on a PCB by soldering the two conductors on electrical contacts of the PCB. The capacitor is installed on the capacitor seat in a fastening way such as by pressing downward, rotating the capacitor or in other feasible fastening ways to be electrically connected with the electrical contacts on the PCB. If the detachable capacitor device has errors or is damaged in use, or a user wants to replace it with a different type of the capacitors to test or adjust the characteristic of the circuit, it is easy to replace the capacitor.

Abstract: A nail-driving device has a housing, a trigger unit, a safety unit, a connecting unit and a magazine. The safety unit has first and second safety members in the housing. The connecting unit is connected pivotally to the second safety member, and has a retaining portion disposed movably between the first and second safety members. The magazine has a pusher for pushing nails therein. When the retaining portion is in a retaining position, a force is applicable to the first safety member to move the second safety member to pivot a trigger arm for a nail-driving operation when the trigger unit is actuated. When the nails thereof are exhausted, the pusher moves to a retention releasing position to pivot the connecting unit and remove the retaining portion from the retaining position to allow for relative movement of the first and second safety members to prevent the nail-driving operation.

Abstract: A lighting system automatically adjusts at least one control illumination value of at least one illumination light beam provided to at least one selected region. The lighting system comprises at least one light assembly, a reflection element, at least one illumination sensing unit, and a control module. The light assembly comprises a plurality of light sources and a lighting direction control mechanism. After the light source projects an injection light along an injection direction, the reflection element reflects the injection light to project the illumination light toward the selected region, the illumination sensing unit senses a total illumination of the selected region to accordingly send an illumination sensing signal, the control module outputs an illumination control signal in accordance with the illumination sensing signal to control the lighting direction control mechanism to change the direction of the light assembly, therefore the control illumination can be automatically adjusted.

Abstract: A nail-driving device includes a housing, a trigger unit, a safety unit, a connecting unit, and a magazine. The safety unit includes first and second safety members disposed movably in the housing. The connecting unit includes a retaining portion disposed movably between the first and second safety members and in a retaining position whereat a force is applicable to the first safety member to move the second safety member to pivot a trigger arm of the trigger unit so as to allow for a nail-driving operation when the trigger unit is actuated. The magazine includes a pusher for pushing and moving nails in the magazine. The pusher is movable to a retention releasing position whereat the retaining portion of the safety unit is removed from the retaining position to thereby allow for relative movement of the first and second safety members so that a nail-driving operation is prevented.

Abstract: A light modulating system for medical treatment and health care (MTHC) is applied to sense at least one of the physiology conditions of at least one user, and accordingly modulate at least one MTHC light beam. The system comprises a physiology condition parameter sensing unit, a light output parameter calculation unit, and a light modulation unit. The physiology condition parameter sensing unit is applied to sense at least one physiology condition parameter of the user, the light output parameter calculation unit is applied to calculate at least one light output parameter according to the physiology condition parameter, and the light modulation unit is applied to modulate the MTHC light beam according to the light output parameter.

Abstract: A method for modulating warm color light here disclosed includes the steps of modulating a white light source for generating white light, setting at least one selected brightness-adjust Light Emitting Diode (LED) for generating modulated light, adjusting the brightness of the selected brightness-adjust LED, and mixing the white light and the modulated light after adjusting the brightness of the selected brightness-adjust LED, then to generate the warm color light.