Patent application number | Description | Published |
20130058109 | Lighting Apparatus and Light-Emitting Element Substrate Having Stress Absorbing Means - A substrate having a plurality of light-emitting elements mounted thereon is described. The substrate may be mounted in a lighting apparatus. In some examples, the substrate may include a surface on which a plurality of light-emitting elements are mounted and stress absorbing elements arranged on imaginary straight lines connecting portions for mounting the substrate with each other. | 03-07-2013 |
20130077310 | Light Emitting Element Lamp and Lighting Equipment - A light emitting element lamp and a lighting equipment for suppressing a temperature rising of a substrate on which a light emitting element is mounted by using a reflector is described. Aspects relate to a lamp including a heat-conductive reflector, a base connected to the reflector, a heat-conductive heat radiating member, a substrate having a light emitting element mounted thereon and attached to the heat radiating member and a lighting circuit housed in the cover to light the light emitting element. Other components and features may also be included. | 03-28-2013 |
20130088173 | POWER SUPPLY DEVICE AND LIGHTING EQUIPMENT - In a power supply device according to one embodiment, a reference signal Vref | 04-11-2013 |
20130148364 | Lamp Having Outer Shell to Radiate Heat of Light Source - A lamp may include an outer shell having heat conductivity and a base provided in the outer shell. The outer shell may include a light source support, and a heat radiating surface exposed to the outside of the outer shell. The light source support may, in some examples, be formed integrally with the heat radiating surface. A light source may be supported on the light source support. The light source may be heated during lighting, and be thermally connected to the light source support. In some examples, the light source may be covered by a cover. | 06-13-2013 |
20130162155 | LIGHTING CIRCUIT AND ILLUMINATION DEVICE - A lighting circuit according to embodiments includes: a self-hold element connected in series to an AC power source that generates power for lighting an illumination load, together with the illumination load, the self-hold element being configured to control supply of the power provided by the AC power source to the illumination load by the self-hold element being turned on/off; a noise prevention circuit connected in parallel to the self-hold element; and a damping circuit configured to connect a damping resistance to the noise prevention circuit parallely only for a predetermined period from turning-on of the self-hold element, thereby preventing the self-hold element from being repeatedly turned on/off during a period in which the self-hold element is on under normal conditions, due to a transient during power supply. | 06-27-2013 |
20130193863 | Power Supply Device and Lighting Equipment Provided with Power Supply Device - A power supply device according to one embodiment is configured to control a lighting of semiconductor light-emitting elements, wherein a dimming signal is canceled during a predetermined time period (T) from a timing immediately after power-ON, so as to light on light-emitting diodes to have a predetermined light amount, for example, a minimum light amount. After an elapse of the predetermined time period (T), cancellation of the dimming signal is released to light on the light-emitting diodes to have a light amount instructed by the dimming signal. | 08-01-2013 |
20130193880 | Power Supply Device and Lighting Equipment Provided with Power Supply Device - A power supply device according to one embodiment is configured to control a lighting of semiconductor light-emitting elements, wherein a dimming signal is canceled during a predetermined time period (T) from a timing immediately after power-ON, so as to light on light-emitting diodes to have a predetermined light amount, for example, a minimum light amount. After an elapse of the predetermined time period (T), cancellation of the dimming signal is released to light on the light-emitting diodes to have a light amount instructed by the dimming signal. | 08-01-2013 |
Patent application number | Description | Published |
20130223067 | Luminaire - According to one embodiment, a luminaire includes a main body including a light-source housing frame, a light source module provided on the inner side of the light-source housing frame and including a substrate and a plurality of light-emitting elements mounted on the substrate, and a fixture attached to the light source module. The fixture includes a locking section movable between a retaining position where the locking section projects from an end portion of the light source module and locks to the light-source housing frame to retain the light source module in the main body and a releasing position where the locking section is unlocked from the light-source housing frame to enable the light source module to separate from the main body. | 08-29-2013 |
20130223083 | Lamp Apparatus and Luminaire - A lamp apparatus includes a body, a light-emitting module, a lighting device, a cap unit, and an insulating member. The body has thermal conductivity, and is provided with a base unit, a cylindrical portion extending upright in a substantially cylindrical shape from the back side of the base unit, and a plurality of thermal radiation fins formed on the back side of the base unit. The light-emitting module is disposed on a front side of the base unit of the body. The lighting device performs lighting control on the light-emitting elements, and is disposed inside the cylindrical portion of the body. The cap unit includes a pair of electrode pins and covers the lighting device. The insulating member is disposed inside the cylindrical portion of the body and includes an upright portion extending upright from a peripheral edge thereof. | 08-29-2013 |
20130234604 | Lighting Control System - In a lighting control system according to an embodiment, a storing unit stores a correspondence relation in which at least one of a plurality of type | 09-12-2013 |
20130249407 | Light Emitting Module and Lighting System - A first LED group including a plurality of LEDs is regularly arranged in a toric shape on the circumference of a center of an approximately rectangular substrate which is formed of ceramics. In addition, the first LED group including the plurality of LEDs is entirely covered in a toric shape with a sealing member. In addition, a second LED group including a plurality of LEDs is regularly arranged in a grid shape in the vicinity of the center of the approximately rectangular substrate. In addition, the LED group including the plurality of LEDs is entirely covered with a sealing member. In addition, the sealing member entirely covers the inside of the toric portion of a first region. | 09-26-2013 |
20130285548 | Lighting Control Device for Vehicle, Lighting Control System for Vehicle, and Lighting Control Method for Vehicle - A lighting control device for a vehicle according to the embodiment includes a display unit; a control device reception unit which receives non-lighted state information of a light source of a lighting system; and a control device control circuit which changes a display state of the display unit based on the non-lighted state information. | 10-31-2013 |
20130285563 | Power Supply Device, Luminaire, Control Method for the Power Supply Device, and Control Method for the Luminaire - According to one embodiment, a control circuit detects power supply voltages converted by switching elements for conversion and subjects the switching elements for conversion to feedback control. The control circuit subjects all of a switching element for power factor improvement and a plurality of the switching elements for conversion to switching control at different switching frequencies. | 10-31-2013 |
20140085890 | LIGHT-EMITTING DEVICE, METHOD FOR ASSEMBLING SAME AND LUMINAIRE - According to one embodiment, a light-emitting device includes a substrate, a first light-emitting element group, a second light-emitting element group, and a terminal group. The first light-emitting element group includes plural first light-emitting elements mounted on the substrate. The second light-emitting element group is mounted on the substrate alongside the first light-emitting element group and includes plural second light-emitting elements. The terminal group includes plural terminals electrically connected to the first light-emitting element group and the second light-emitting element group, and is arranged on a side of the first light-emitting element group opposite to a side thereof facing the second light-emitting element group in a first direction in which the first light-emitting element group and the second light-emitting element group on the substrate are arranged side by side. | 03-27-2014 |
20140085891 | Light-Emitting Apparatus and Luminaire - A light-emitting apparatus may include a substrate (e.g., a ceramic substrate), a plurality of first light-emitting elements mounted on the substrate, and a plurality of receptacles of monopole connectors. In some examples, the light-emitting apparatus may further include a first line configured to connect anodes of the first light-emitting elements and a first receptacle from among the plurality of receptacles, and a second line configured to connect cathodes of the first light-emitting elements and a second receptacle from among the plurality of receptacles. The plurality of receptacles each may include a metallic base portion. | 03-27-2014 |
20140183565 | Light-Emitting Module Board and Manufacturing Method of the Light-Emitting Module Board - A light-emitting module board includes a metal board provided with an insulating layer, a light-emitting part and a white insulating film. The light-emitting part includes plural LED chips mounted on the metal board, and a white reflecting film of a ceramic coating formed in a light-emitting area on the metal board on which the plural LED chips are mounted. The white insulating film is an insulating film made of a same material as the white reflecting film and formed in a non-light-emitting area which is other than the light-emitting part and is provided on the metal board outside the light-emitting part. | 07-03-2014 |
20140232280 | Rectifying Circuit and Power Supply Circuit - According to one embodiment, a rectifying circuit includes a diode, a switching element, a capacitor and an auxiliary winding. The diode is connected between a first terminal and a second terminal while a direction directed from the second terminal to the first terminal is a forward direction. The switching element includes a first main electrode connected to the first terminal, a second main electrode connected to a cathode of the diode, and a gate electrode connected to an anode of the diode. The auxiliary winding is magnetically coupled to an inductor. The auxiliary winding is connected to the gate electrode through the capacitor, and is connected to the second main electrode of the switching element and the cathode of the diode. | 08-21-2014 |
20140232281 | Rectifier Circuit and Power Source Circuit - According to an embodiment, a rectifier circuit includes a first diode, a switching element, and a second diode. The first diode is connected between a first terminal and a second terminal so that a direction toward the first terminal from the second terminal is in a forward direction. The switching element has a first main electrode connected to the first terminal, a second main electrode connected to a cathode of the first diode, and a gate electrode connected to an anode of the first diode. The second diode is connected in parallel with respect to the switching element so that a direction toward the first terminal from the cathode of the first diode is in a forward direction, between the first main electrode and the second main electrode of the switching element. | 08-21-2014 |