Patent application number | Description | Published |
20090001887 | Metal Halide Lamp and Lighting Unit Utilizing the Same - An arc tube ( | 01-01-2009 |
20110089828 | METAL HALIDE LAMP, AND LIGHTING EQUIPMENT EMPLOYING METAL LAMP - Provided is a metal halide lamp that can (i) prevent flicker in an illuminated surface of an arc tube, which is caused by violent movement of an electric arc when the lamp is lit while being tilted, (ii) suppress an early reduction in a luminous flux maintenance factor, and (iii) suppress formation of cracks in an enclosure of the arc tube. The lamp comprises (i) an arc tube | 04-21-2011 |
20120146498 | HIGH-INTENSITY DISCHARGE LAMP - A lamp having: an arc tube ( | 06-14-2012 |
20120267994 | METAL VAPOR DISCHARGE LAMP AND LIGHTING APPARATUS - The present invention aims to provide a metal vapor discharge lamp that has an outer tube less likely to break, and that is obtained at low manufacturing cost. A metal vapor discharge lamp | 10-25-2012 |
20140204560 | ILLUMINATION LIGHT SOURCE AND LIGHTING APPARATUS - An LED unit which serves as an illumination light source includes: a mounting board on which a light-emitting element, which emits light frontward, is provided; a support disposed behind the mounting board; and a case disposed so that the mounting board is sandwiched in a longitudinal direction by the case and the support. The case includes a restricting portion which restricts sideward movement of the mounting board. | 07-24-2014 |
20140204561 | ILLUMINATION LIGHT SOURCE AND LIGHTING APPARATUS - An LED unit which serves as an illumination light source includes: a light-emitting element; a circuit board provided in a drive circuit which drives the light-emitting element; a lead wire electrically connecting the light-emitting element and the drive circuit; and a case including a first opening which is an elongated opening into which the lead wire is inserted. The circuit board includes a second opening which is an elongated opening into which the lead wire is inserted, and the first opening and the second opening are disposed so that a straight line extending in a lengthwise direction of the first opening and a straight line extending in a lengthwise direction of the second opening three-dimensionally cross each other. | 07-24-2014 |
20140204562 | ILLUMINATION LIGHT SOURCE AND LIGHTING APPARATUS - An LED unit which serves as an illumination light source that is attached to lighting equipment includes: a light-emitting element; a circuit board provided in a drive circuit which drives the light-emitting element; a case inside of which the circuit board is disposed; and a connecting component at least a portion of which is disposed inside the case, for electrically connecting the lighting equipment and the drive circuit. The case includes a positioning portion which determines a position of the circuit board, and the circuit board includes an opening into which the connecting component is inserted, and which determines the position of the circuit board by way of the rim of the opening abutting the positioning portion. | 07-24-2014 |
20140204594 | ILLUMINATION LIGHT SOURCE AND LIGHTING APPARATUS - An illumination light source which attaches to a lighting fixture by being rotated in a predetermined rotational direction R, the illumination light source including: a light-emitting unit (LED module), a case which includes a first opening and houses the light-emitting unit; and a translucent cover provided over the first opening, wherein the translucent cover includes a plurality of projecting portions provided at predetermined intervals in the rotational direction R, and the plurality of projecting portions each include a plurality of projections provided at a predetermined distance from each other in the rotational direction R and including a flat surface facing a direction opposite the rotational direction R. | 07-24-2014 |