| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 315050000 | Load device temperature-modifying means combined with or forming circuit impedance means | 21 |
| 20100301748 | SELF-BALLASTED LAMP AND LIGHTING EQUIPMENT - The invention provides a self-ballasted lamp having high heat radiation performance, which is lightweight and inexpensive. A substrate having LED elements mounted is provided at one edge side of the radiator, and a cap is provided at the other edge side the radiator. A lighting circuit is accommodated between the radiator and the cap. The radiator includes a cylindrical cover member and an annular radiation member fitted to the outer circumferential part of the cover member and is composed by combining the cover member and the radiation member together. The cover member and the radiation member are made of metal and are formed by press-working. | 12-02-2010 |
| 20110163667 | Electric discharge lamp unit - As an aspect of an embodiment, an electric discharge lamp unit includes a casing which houses an integrated circuit for lighting an electric discharge lamp, and a support member which supports the electric discharge lamp and is integrated with the casing. The casing is filled with filler. The center of the support member in the vertical direction is higher than the center of the casing in the vertical direction and the center of the integrated circuit in the vertical direction. | 07-07-2011 |
| 20110298374 | THERMAL PROTECTION CIRCUIT FOR AN LED BULB - A light-emitting diode (LED) bulb has an LED within a shell. The LED bulb also includes a driver circuit for providing current to the LED. The drive circuit has a thermal protection circuit, which includes a thermistor having a positive thermal coefficient and a switching temperature. The driver circuit also includes a switch-mode power supply (SMPS) controller with an input pin and an output pin. The thermistor is connected to the input pin. When the thermistor temperature is above the switching temperature, the thermal protection circuit causes the SMPS controller to produce a signal with a second duty cycle on the output pin. When the thermistor temperature is below the switching temperature, the thermal protection circuit causes the SMPS controller to produce a signal with a first duty cycle on the output pin. The second duty cycle is higher than the first duty cycle. | 12-08-2011 |
| 20120019140 | LED LAMP FOR PRODUCING BIOLOGICALLY-CORRECTED LIGHT - A light-emitting diode (LED) lamp for producing a biologically-corrected light. In one embodiment, the LED lamp includes a color filter, which modifies the light produced by the lamp's LED chips, to increase spectral opponency and minimize melatonin suppression. In doing so, the lamp minimizes the biological effects that the lamp may have on a user. The LED lamp is appropriately designed to produce such biologically-correct light, while still maintaining a commercially acceptable color temperature and commercially acceptable color rending properties. Methods of manufacturing such a lamp are provided, as well as equivalent lamps and equivalent methods of manufacture. | 01-26-2012 |
| 20120056536 | LIGHT EMITTING DIODE REPLACEMENT BULBS - An illumination device comprises a bulb connector, a body structure and an insulating layer between the bulb connector and a first end portion of the body structure. The illumination device further comprises a first plurality of light emitting diodes arranged towards the first end portion of the body structure and a second light source comprising at least one light emitting diode arranged towards the second end portion of the body structure. A heat sink extends from the body structure and a controller within the body structure receives power through the bulb connector and supplies power to each of the light emitting diodes. As such, the illumination device can directly replace an incandescent bulb. Thus for example, the illumination device can replace an incandescent bulb of a traffic light without requiring changes to the compartment, fixture, reflector, or window/lens. | 03-08-2012 |
| 20120146505 | LIGHT WITH CHANGEABLE COLOR TEMPERATURE - Color temperature of a lighting apparatus that includes a first LED that emits a white light with a first color temperature and a second LED that emits a white light with a second color temperature is managed. The two LEDs are connected in parallel anode to cathode so that current flowing in one direction turns on the first LED and current flowing in the opposite direction turns on the second LED. A controller manages a duty cycle of an alternating current flowing through the two LEDs to control the color temperature and/or the brightness of the lighting apparatus. | 06-14-2012 |
| 20120223640 | SOLID STATE LIGHTING DEVICES AND METHODS WITH ROTARY COOLING STRUCTURES - Solid state lighting devices and methods for heat dissipation with rotary cooling structures are described. An example solid state lighting device includes a solid state light source, a rotating heat transfer structure in thermal contact with the solid state light source, and a mounting assembly having a stationary portion. The mounting assembly may be rotatably coupled to the heat transfer structure such that at least a portion of the mounting assembly remains stationary while the heat transfer structure is rotating. Examples of methods for dissipating heat from electrical devices, such as solid state lighting sources are also described. Heat dissipation methods may include providing electrical power to a solid state light source mounted to and in thermal contact with a heat transfer structure, and rotating the heat transfer structure through a surrounding medium. | 09-06-2012 |
| 20120299475 | Liquid Cooled Semi Conductor - An electric light having a semiconductor mounted to a base ( | 11-29-2012 |
| 20120319581 | Lighting Device - A lighting device may include a substrate attached to one edge side of a radiator and a cover may be attached to cover the substrate. Heat-radiating fins may be provided on the other edge side of the radiator and an air-cooling unit may be rotatably provided inside the heat-radiating fins, thereby enabling freely rotation. In one or more examples, a case storing a circuit part is attached to the other edge side of the radiator and a cap is provided to the case. By the air flow from the air-cooling unit, the heat-radiating fins are caused to be a part of the ventilation path to allow for ventilation of the inside of the radiator. | 12-20-2012 |
| 20130082595 | LIGHTING APPARATUS - A lighting apparatus includes: an LED module; a power supply part supplying electricity to the LED module; a heat sink releasing heat generated by the LED module; a cap containing in the inside at least a part of the power supply part; and an insulating member located between the cap and the heat sink. In the insulating member, one end side has a connection part connected to the inside of the cap. The connection part has an opening part conducting heat from the power supply part to the cap. Since the opening part is provided in the connection part connected to the inside of the cap, a part of the power supply part is arranged in the inside of the cap without being blocked by the insulating member. | 04-04-2013 |
| 20130181606 | INNER COUPLING TUBULAR TYPE ELECTRODELESS LAMP - An inner coupling tubular type electrodeless lamp comprises a glass bulb, an amalgam, and a power coupler. The glass bulb includes an external portion and an inner portion. A gas discharging cavity that is annularly airtight is defined by an envelopment of the external portion and the inner portion. A coupling cavity is defined in the inner portion. The power coupler includes a radiating post, a ferrite core, and a winding sequentially situating from an interior to an exterior thereof. The power coupler is disposed in the coupling cavity. Two ends of the coupling cavity are intercommunicated with each other as well as the exterior. The external portion of the glass bulb adopts the elongated tube. Wherein, a length of the ferrite core of the power coupler is not smaller than a half length of the coupling cavity. A length of the winding is measured from one-fifth to four-fifth of the length of the coupling cavity to evenly distribute an electromagnetic field. At least one diffuse reflection layer that is made of a material falling in a 250˜2000 nm spectrum scope is disposed between an inner wall of the inner portion (the side near the power coupler) and an external surface of the power coupler. Wherein, the material for making the diffuse reflection layer adopts a non-conducting electricity material that resists a temperature higher than 100° C. | 07-18-2013 |
| 20130214680 | Plasma Supply Device - A plasma supply device generates an output power greater than 500 W at an essentially constant basic frequency greater than 3 MHz and powers a plasma process to which is supplied the generated output power, and from which reflected power is returned to the plasma supply device. The plasma supply device includes at least one inverter connected to a DC power supply, which inverter has at least one switching element, and an output network, wherein the at least one output network includes at least one inductance that has at least one magnetic field strengthening element that is a Perminvar ferrite. | 08-22-2013 |
| 20130241408 | AUTOMOTIVE LAMP - A light-emitting module includes a light-emitting diode (LED) package, in which an LED is implemented, and a resistor, connected to the LED in series, which is placed in the position subject to a change in temperature of the LED package. The resistor has a positive temperature coefficient. The volume resistivity of the resistor at 0° C. is preferably 2×10 | 09-19-2013 |
| 20130249393 | ELECTROLUMINESCENT DEVICE WITH ADJUSTABLE COLOR POINT - The invention relates to an electroluminescent device for emitting light having an adjustable color point. An electroluminescent region ( | 09-26-2013 |
| 20130285545 | THERMAL MANAGEMENT FOR LIGHT-EMITTING DIODES - Embodiments of the invention provide lighting systems that employ light-emitting diode (LED) chips as active lighting elements. Heat management components for the LED chips employed in the lighting sources are provided. In embodiments of the invention, LED chips are cooled by one or more heatspreaders and heat sinks attached to a substrate that houses the LED chip and/or the topside of the LED chip. | 10-31-2013 |
| 20130285546 | SENSING TYPE LIGHTING DEVICE WITH ELECTROMAGNETIC WIRELESS COMMUNICATION MODULE AND CONTROLLING METHOD THEREOF - A sensing type lighting device includes a lighting main body, a sensing element, and an electromagnetic wireless communication module. The lighting main body includes a controlling circuit and a light source set. The sensing element and the electromagnetic wireless communication module are disposed within the lighting main body. A controlling method for a sensing type lighting group includes the following steps. Firstly, a first lighting device with a first sensing element and a first electromagnetic wireless communication module is provided. Then, a second lighting device with a second electromagnetic wireless communication module is provided. According to an environmental sensing result of the first sensing element, a communication channel between the first and second electromagnetic wireless communication modules is established. Consequently, a light intensity of the first lighting device and/or the second lighting device is correspondingly controlled. | 10-31-2013 |
| 20140077697 | LED Lamp - An LED lamp includes a heat dissipator having two ends, a module substrate which is fixed to one end of the heat dissipator and on which an LED chip is mounted, a cap mounted via a cylindrical insulator on the other end of the heat dissipator, a lighting circuit which is disposed in the heat dissipator and/or the cap to supply electric power to the LED chip, the lighting circuit being electrically connected to the cap, and a dimming volume having a rotating shaft and variably adjusting an amount of light or a color temperature of the LED chip according to an amount of rotation of the rotating shaft, the rotating shaft being operably mounted on the heat dissipator or the insulator. | 03-20-2014 |
| 20140084787 | POWER CONVERTER CONTAINED BASE, LAMP WITH POWER CONVERTER CONTAINED BASE AND LAMP WITH SEPARABLE POWER CONVERTER CONTAINED BASE - The present invention discloses a power converter contained base, lamp with power converter contained base and lamp with separable power converter contained base. The power converter contained base comprises a first commercial standard base, fundament, cover, power converter and a first connector. The fundament comprises a first opening connected to the commercial standard base and a second opening where the cover disposed. A containing space may be defined by the cover, base and the first commercial standard base. The power converter may be disposed inside the containing space. The first connector may be disposed on the cover or the fundament to be connected with a second connector of a light-emitting member to make the four elements, the first commercial standard base, the power converter, the one of or the combination of two or three of, the fundament, the cover and the connector, and the light-emitting member become electrically connected. | 03-27-2014 |
| 20140159574 | RESISTIVE THIN LAYER HEATING OF FLUORESCENT LAMP - Fluorescent lamps, along with their methods of manufacture and use, are provided. The fluorescent lamp can include a discharge tube extending from a first end to a second end; a resistive transparent coating (e.g., a tin oxide thin film layer, such as a fluor-doped tin oxide thin film layer) on the outer surface of the discharge tube; and a pair of electric terminals positioned on the discharge tube such that a first terminal is on the first end and a second terminal is on the second end. | 06-12-2014 |
| 20140191658 | SELF-BALLASTED LAMP AND LIGHTING EQUIPMENT - The invention provides a self-ballasted lamp having high heat radiation performance, which is lightweight and inexpensive. A substrate having LED elements mounted is provided at one edge side of the radiator, and a cap is provided at the other edge side the radiator. A lighting circuit is accommodated between the radiator and the cap. The radiator includes a cylindrical cover member and an annular radiation member fitted to the outer circumferential part of the cover member and is composed by combining the cover member and the radiation member together. The cover member and the radiation member are made of metal and are formed by press-working. | 07-10-2014 |
| 20140346950 | COMPACT DISCHARGE LAMP - Disclosed is a compact discharge lamp capable of preventing the heat from a discharge tube from damaging circuit elements of a stabilizer. The compact discharge lamp includes: the discharge tube having a structure that provides a stabilizer-accommodating space at the center thereof and including an electrode; a bulb base coupled to an end portion of the stabilizer housing; a stabilizer printed circuit board that is accommodated in the stabilizer housing and is provided with stabilizer circuit elements configured to initiate a discharge by being supplied with electric power from the bulb base and by supplying the electric power to the electrode; and a connection space-forming unit that provides a separate connection space near a circumferential surface of the stabilizer housing in order to electrically connect a stabilizer electric power line extending from the stabilizer printed circuit board with the electrode. | 11-27-2014 |
