Patent application number | Description | Published |
20080251805 | HEAT DISSIPATION PACKAGE FOR HEAT GENERATION ELEMENT - A heat dissipation package is provided. Conducting leads of the package are located between two dissipating parts of a heat dissipation carrier to form the heat dissipation package with a structure of heat outside and electricity inside. Consequently, there is no limitation caused by electrical elements surrounding the heat dissipation carrier, so as to enhance the expandability of the heat dissipation carrier and improve the efficiency for heat dissipation of the heat generation element. | 10-16-2008 |
20090242919 | LIGHT EMITTING DEVICE - A light emitting device includes a leadframe, a light emitting unit, a transparent encapsulant, and a fluorescent colloid layer. The light emitting unit is disposed on the leadframe. The transparent encapsulant covers the light emitting unit, wherein the transparent encapsulant has a concave on which at least one reflective surface is disposed. The fluorescent colloid layer is disposed outside the transparent encapsulant, wherein a chamber is formed between the fluorescent colloid layer and the transparent encapsulant. The light generated by the light emitting unit is reflected by the reflective surface and guided to a side wall of the fluorescent colloid layer. | 10-01-2009 |
20090316412 | LAMP APPARATUSES - A lamp apparatus include a lamp body, at least an alternating current light-emitting diode and a plug. The alternating current light-emitting diode is disposed on a lamp body. The plug is electrically connected to the alternating current light-emitting diode. In lamp apparatuses utilizing AC LED, heat generated thereby is almost concentrated on chips. Compared with conventional lamp apparatuses utilizing DC LEDs, heat generated thereby is distributed on chips and outer rectifier. In lamp apparatuses utilizing AC LEDs, heat generated thereby is almost concentrated on chips because AC LEDs operate directly with AC electric power, omitting a rectifier and preventing power loss during operation of power rectification. Therefore, the heat accumulated on the chips of the AC LEDs is enough to be used to evaporate essential oil. In another embodiment, the invention utilizes low-resistance pure water surrounding the AC LED to dissipate its heat. | 12-24-2009 |
20100006868 | AC LED device and method for fabricating the same - An AC LED device and method for fabricating the same are disclosed. An exemplary embodiment of the AC LED device includes at least two separate AC LED unit chips, wherein each of the AC LED unit chip includes a substrate having a first light emitting module and a second light emitting module. Each of the first and second light emitting modules includes a plurality of light emitting micro diodes connected between a first conductive electrode and a second conductive electrode, wherein the amount of light emitting micro diodes emitting light during a positive half cycle of an AC charge is equal to that during a negative half cycle of an AC charge. A plurality of conductive wires is respectively and electrically connected to the separate AC LED unit chips without passive devices. | 01-14-2010 |
20100148206 | LED package and method of assembling the same - An LED package is provided. The LED package includes a carrier, an LED chip, a conductive structure, a first encapsulant, a lens and a heat sink. The carrier is cup shaped and comprises a bottom portion and a lateral wall. The LED chip is received in the carrier and disposed on the bottom portion. The conductive structure is electrically connected to the LED chip. The first encapsulant is received in the carrier and fixing the carrier and the conductive structure. The lens is corresponding to the LED chip. The carrier is embedded in the heat sink, and heat generated by the LED chip is transmitted to the heat sink via the bottom portion and the lateral wall of the carrier. | 06-17-2010 |
20110273073 | MULTI-FACET LIGHT EMITTING LAMP - A multi-facet light emitting lamp including a first light source plate, a second light source plate, and a plurality of airflow channels is provided. The first light source plate has at least one first connecting terminal. The second light source plate has at least one second connecting terminal. The first connecting terminal is connected with the second connecting terminal, and an inner space is formed between the first light source plate and the second light source plate. The inner space and a space outside the multi-facet light emitting lamp are connected by the airflow channels. | 11-10-2011 |
20110284878 | LIGHT EMITTING DIODE MODULE, AND LIGHT EMITTING DIODE LAMP - A light emitting diode (LED) lamp including a socket, an LED module disposed on the socket, and a lamp housing assembled to the socket is provided. LED module includes a supporting member and a plurality of LED packages, wherein each LED package includes a chip carrier, a reflective member, an LED chip, a lens, and a phosphor layer. Reflective member mounted on the chip carrier has a recess for exposing parts of the chip carrier. LED chip disposed in the recess. Lens encapsulating the LED chip has a light-emitting surface, a first reflection surface bonded with the reflective member and a second reflection surface, wherein the LED chip faces the light-emitting surface of the lens. | 11-24-2011 |
20110284879 | LIGHT EMITTING DIODE PACKAGE AND LIGHT EMITTING DIODE MODULE - A light emitting diode (LED) package comprising a carrier, an LED chip, a lens, and a phosphor layer is provided. The LED chip disposed on the carrier. The lens encapsulating the LED chip has a plurality of fins surrounding the LED chip and a conical indentation. The fins extending backward the LED chip radially. Each of the fins has at least one light-emitting surface and at least one reflection surface adjoining the light-emitting surface. A bottom surface of the conical indentation is served as an total reflection surface. The phosphor layer is disposed on the light-emitting surfaces of the lens. An LED package and an LED module are also provided. | 11-24-2011 |
20120032588 | LIGHT SOURCE DEVICE - A light source device having a good heat dissipation capability is disclosed, in which heat generated by a light emitting device is conducted to a base fabricated by a porous material through a heat conducting mask or a heat conducting pipe. Due to a large area contact between the heat conducting mask or the heat conducting pipe and the base, the heat can be evenly conducted to the base, so that the base can absorb the heat and dissipate the heat to external, so as to improve a heat dissipation efficiency. Moreover, in the light source device of the disclosure, heat exchange of the light emitting device can be directly carried on through air convection, so that the heat generated by the light emitting device can be taken away from the light source device through heat exchange of cool air. | 02-09-2012 |
20120077274 | CHEMICAL OR BIOCHEMICAL ANALYSIS APPARATUS AND METHOD FOR CHEMICAL OR BIOCHEMICAL ANALYSIS - A chemical or biochemical analysis apparatus includes: a computer processor; at least one controller electrically coupled to the computer processor; at least one first base configured with a plurality of dispensing tube assemblies arranged in alignment and electrically coupled to the at least one controller, independently; at least one second base configured with a plurality of the detectors arranged in alignment and electrically coupled to the at least one controller; and a stage, for carrying the at least one multi-well strip having a plurality of wells arranged in alignment and for transporting the multi-well strip to pass through and underneath the plurality of dispensing tube assemblies and the plurality of the detectors arranged in order, electrically coupled to the at least one controller. | 03-29-2012 |
20140145215 | AC LED device and method for fabricating the same - An AC LED device and method for fabricating the same are disclosed. An exemplary embodiment of the AC LED device includes at least two separate AC LED unit chips, wherein each of the AC LED unit chip includes a substrate having a first light emitting module and a second light emitting module. Each of the first and second light emitting modules includes a plurality of light emitting micro diodes connected between a first conductive electrode and a second conductive electrode, wherein the amount of light emitting micro diodes emitting light during a positive half cycle of an AC charge is equal to that during a negative half cycle of an AC charge. A plurality of conductive wires is respectively and electrically connected to the separate AC LED unit chips without passive devices. | 05-29-2014 |
Patent application number | Description | Published |
20090027794 | LIGHT TUNNEL AND PROJECTOR ILLUMINATION SYSTEM HAVING SAME - A projector light tunnel comprising an elongated transparent solid body having a light incident surface for facing toward a light source, a light emitting surface at an opposite side of the elongated transparent solid body to the light incident surface, for uniformly standardizing intensity distribution of light emitted from the light source, the light incident surface being configured as a curved surface. | 01-29-2009 |
20090033887 | PROJECTION OPTICAL SYSTEM - A projection optical system includes a digital micro-mirror device and a light blocker disposed along the light path of the digital micro-mirror device. The digital micro-mirror device includes a base having a plurality of outer pads, a micro-mirror array disposed on the base, and a plurality of bonding wires. The bonding wires are electrically connecting the outer pads with the corresponding micro-mirror array. The light blocker is configured for blocking the light incident to the bonding wires and the light reflected by the bonding wires. | 02-05-2009 |
20100045938 | OPTICAL SYSTEM FOR PROJECTION DEVICE - An optical system for a projection device is disclosed. The projection device includes three different light sources, three condensers corresponding to the light sources, an integrator, an optical lens array, a total internal reflection prism, a digital micro-mirror device and a projection lens. The light sources generate light transmitting through the condensers, the integrator, the optical lens array, the total internal reflection prism, and the digital micro-mirror device into the projection lens. The optical system includes an emitting and reflecting module emitting and reflecting light from the light sources to the integrator and comprises a first, second emitting and reflecting mirrors intersecting thereto, the intersections of the first, second emitting and reflecting mirrors facing the corresponding light sources and condensers. | 02-25-2010 |
20110188010 | OPTICAL SYSTEM FOR PROJECTION DEVICE - An optical system includes a light source array, a dichroic mirror set, a light converting device and a light guide pipe. The light source array is used for emitting a first homogeneous light. The dichroic mirror set is disposed in a light path of the first homogeneous light and used for reflecting a part of the first homogeneous light to the light guide pipe, transmitting the remaining part of the first homogeneous light to the converting device. The light converting device is disposed in the transmitting light path of the dichroic mirror and used for transferring the first homogeneous light into a second, third homogeneous light. The dichroic mirror is further used for reflecting the second, third homogeneous light to the light guide pipe. The light guide pipe is used for mixing the first, second and third homogeneous light to obtain a white light. | 08-04-2011 |
Patent application number | Description | Published |
20080218093 | Structure of AC light-emitting diode dies - A structure of light-emitting diode (LED) dies having an AC loop (a structure of AC LED dies), which is formed with at least one unit of AC LED micro-dies disposed on a chip. The unit of AC LED micro-dies comprises two LED micro-dies arranged in mutually reverse orientations and connected with each other in parallel, to which an AC power supply may be applied so that the LED unit may continuously emit light in response to a positive-half wave voltage and a negative-half wave voltage in the AC power supply. Since each AC LED micro-die is operated forwardly, the structure of AC LED dies also provides protection from electrical static charge (ESD) and may operate under a high voltage. | 09-11-2008 |
20090218580 | STRUCTURE OF AC LIGHT-EMITTING DIODE DIES - A structure of light-emitting diode (LED) dies having an AC loop (a structure of AC LED dies), which is formed with at least one unit of AC LED micro-dies disposed on a chip. The unit of AC LED micro-dies comprises two LED micro-dies arranged in mutually reverse orientations and connected with each other in parallel, to which an AC power supply may be applied so that the LED unit may continuously emit light in response to a positive-half wave voltage and a negative-half wave voltage in the AC power supply. Since each AC LED micro-die is operated forwardly, the structure of AC LED dies also provides protection from electrical static charge (ESD) and may operate under a high voltage. | 09-03-2009 |
20090250717 | LIGHT EMITTING DEVICE - A light emitting device includes a light emitting element having at least two electrodes disposed at the side of the light output surface thereof, and a base member having a recess and lead portions corresponding to the electrodes, the light emitting element being mounted on the base member and received in the recess, wherein the light output surface faces toward opening of the recess that becomes smaller while approaching the light output surface, and the electrodes are respectively in electrical connection with the lead portions that extend from the connection positions to outer edge of the base member for power connection, and a light reflecting portion is disposed in the recess adjacent to the light output surface such that the light emitted from the light emitting element can be reflected to walls of the recess to form a substantially collimated light beam so as to improve light efficiency. | 10-08-2009 |
20140111996 | LAMP APPARATUSES - A lamp apparatus include a lamp body, at least an alternating current light-emitting diode and a plug. The alternating current light-emitting diode is disposed on a lamp body. The plug is electrically connected to the alternating current light-emitting diode. In lamp apparatuses utilizing AC LED, heat generated thereby is almost concentrated on chips. Compared with conventional lamp apparatuses utilizing DC LEDs, heat generated thereby is distributed on chips and outer rectifier. In lamp apparatuses utilizing AC LEDs, heat generated thereby is almost concentrated on chips because AC LEDs operate directly with AC electric power, omitting a rectifier and preventing power loss during operation of power rectification. Therefore, the heat accumulated on the chips of the AC LEDs is enough to be used to evaporate essential oil. In another embodiment, the invention utilizes low-resistance pure water surrounding the AC LED to dissipate its heat. | 04-24-2014 |
Patent application number | Description | Published |
20130088875 | HEAT SINK FOR LED LAMP - A LED lamp is disclosed which is composed of a plurality of light unit, each of the light unit has metal its leads inserted into a heat sink for heat dissipation. A circuit board is optionally to use for electrically coupling the metal leads of each light unit to a control circuit for controlling the on/off of each of the light units. | 04-11-2013 |
20130094199 | DOUBLE HEAT SINK LED TUBE - A LED tube having double heat sinks is disclosed. One of the embodiment shows a first plurality of light unit is fixed onto the top heat sink, and a second plurality of light unit is fixed onto the bottom heat sink, while with the light chips configured in between the two heat sinks for light emission to the ambient. | 04-18-2013 |
20130100679 | SIDE ILLUMINATION LENS FOR LED - A side illumination lens for a LED is disclosed. One of the embodiments includes a bottom cavity, an incident surface, four total internal reflective surfaces, and a side refractive surface. Light beam emitted by the LED enters the lens through the incident surface. A first portion of the light beam is reflected by the total internal reflection surfaces to the refractive surface and emits out of the lens. The second portion of light beam enters the lens and exits from the refractive surface. A second one of the embodiments is to roughen the side refractive surface for diffusing the exit light beams so that a broader area can be illuminated softly. | 04-25-2013 |
20130258657 | PANORAMA LAMP - A panorama lamp with 360 degree peripheral illumination with reference to an axis of the lamp is disclosed. Each of the light units mounted on a heat sink has a light chip facing outward from the lamp. Either a protection cap or a circular wall lens can be optionally adopted to cap the top of the lamp. The protection cap provides protection to the chips of the lamp from being damaged. The circular wall lens modifies the beam profile of the lamp to meet various market requests. | 10-03-2013 |
20130308292 | LED LAMP - The present invention discloses an LED lamp which has a light guide with a total internal reflection (TIR) surface. A light modification layer comprising either a pure component or a mixture of the component selected from a group consisted of a yellow phosphor, a red phosphor, a green phosphor, a blue phosphor, and a reflective material is optionally adopted. The light beam is modified by the light modification layer before going out of the lamp. A blue light is one of the candidates which can be adopted as the light source. | 11-21-2013 |
20130308338 | LED CUP LAMP WITH LIGHT GUIDE - The present invention discloses an LED lamp which has a light guide with a total internal reflection (TIR) surface. A light modification layer comprising either a pure component or a mixture of the component selected from a group consisted of a yellow phosphor, a red phosphor, a green phosphor, a blue phosphor, and a reflective material is optionally adopted. The light beam is modified by the light modification layer before going out of the lamp. A blue light is one of the candidates which can be adopted as the light source. | 11-21-2013 |
20140286023 | LED LAMP - A LED lamp is disclosed which has a plurality of light unit, each of the light unit has at least one flat metal lead for heat dissipation and the lower part of the metal lead is mounted on a heat sink for a further heat dissipation. | 09-25-2014 |
20140292175 | AIR COOLING LED LAMP - An air cooling LED lamp is disclosed. The lamp has air passages for natural air flow for cooling the lamp without using any electric fan to reduce electric energy consumption. The air passages still work for natural air cooling for the lamp when the lamp is configured either in a top down position or in a lateral position. | 10-02-2014 |
20140293599 | AIR COOLING LED LAMP - An air cooling LED lamp is disclosed. The lamp has air passages for natural air flow for cooling the lamp without using any electric fan to reduce electric energy consumption. The air passages still work for natural air cooling for the lamp when the lamp is configured either in a top down position or in a lateral position. | 10-02-2014 |
20140293623 | AIR COOLING LED LAMP - An air cooling LED lamp is disclosed. The lamp has air passages for natural air flow for cooling the lamp without using any electric fan to reduce electric energy consumption. The air passages still work for natural air cooling for the lamp when the lamp is configured either in a top down position or in a lateral position. | 10-02-2014 |