Patent application number | Description | Published |
20090160310 | DISCHARGE LAMP AND LIGHTING SYSTEM - A discharge lamp | 06-25-2009 |
20120155061 | LED MODULE, LED LAMP, AND ILLUMINATING APPARATUS - To constrain reductions in luminous efficacy while enhancing the color rendition index, the LED module includes a blue LED, at least one variety of phosphor particles excited by the outgoing light from the blue LED, and neodymium glass particles that include neodymium ions absorbing the outgoing light from the phosphor particles in a predetermined wavelength band. | 06-21-2012 |
20120235181 | LIGHT-EMITTING DEVICE AND LAMP - A light-emitting device including: a base which is translucent; a semiconductor light-emitting element provided on the base; a sealing member for sealing the semiconductor light-emitting element and including a first wavelength conversion material for converting a wavelength of light emitted by the semiconductor light-emitting element to a predetermined wavelength; and a groove provided on a side of the semiconductor light-emitting element, recessed from a top surface of the base on which the semiconductor light-emitting element is provided or a back surface of the base which is a surface opposite to the top surface, and for holding a second wavelength conversion material for converting the wavelength of the light emitted by the semiconductor light-emitting element to the predetermined wavelength. | 09-20-2012 |
20120293981 | GLASS COMPOSITION, LIGHT SOURCE DEVICE AND ILLUMINATION DEVICE - A glass composition including, in oxide-based mol %: (a) at least 30% and at most 50% P | 11-22-2012 |
20120300432 | LED LAMP, LED ILLUMINATION DEVICE, AND LED MODULE - An LED lamp provides a strong red color with a natural appearance. The LED lamp is provided with an LED module and a filter. The LED module includes a blue LED with a main emission peak in the 440 nm to 460 nm wavelength band, a green/yellow phosphor that is excited by light emitted by the blue LED, and a red phosphor that is excited by light emitted by at least one of the blue LED and the green/yellow phosphor. The filter reduces the spectral radiation intensity of at least a portion of the 570 nm to 590 nm wavelength band among light emitted by the LED module. | 11-29-2012 |
20120320601 | MOUNTING SUBSTRATE AND MANUFACTURING METHOD THEREOF, LIGHT-EMITTING MODULE AND ILLUMINATION DEVICE - An object of the present invention is to provide a mounting substrate, a manufacturing method, a light-emitting module and an illumination device that can sufficiently improve the luminous efficiency of an LED lamp. A mounting substrate according to the present invention includes a substrate and a reflective film that is formed on a front surface of the substrate and has a front surface on which LED chips are to be mounted, and the reflective film is made of metal oxide microparticles and a glass fit, and reflects light from the LED chips. | 12-20-2012 |
20130015761 | GLASS COMPOSITION, LIGHT SOURCE DEVICE AND ILLUMINATION DEVICEAANM Motoya; AtsushiAACI ShigaAACO JPAAGP Motoya; Atsushi Shiga JPAANM Ueno; YasuharuAACI OsakaAACO JPAAGP Ueno; Yasuharu Osaka JPAANM Okano; KazuyukiAACI NaraAACO JPAAGP Okano; Kazuyuki Nara JP - A glass composition including, in oxide-based mol %: (a) at least 30% and at most 50% P | 01-17-2013 |
20130049031 | LIGHT-EMITTING DEVICE, LIGHT-EMITTING MODULE, AND LAMP - A light-emitting device which emits light omnidirectionally is provided. A light-emitting device according to the present invention includes: a package which is translucent; an LED provided in a recess in the package; and a sealing member for sealing the LED and packaging the recess; and the recess includes a bottom surface on which the LED is mounted and a side surface surrounding a bottom surface, and light emitted by the LED is transmitted inside the package through the bottom surface and the side surface of the recess and is emitted to outside of the package from the back surface and the side surface of the package. | 02-28-2013 |
20130100423 | LIGHTING DEVICE - There are provided a lighting device with which it is possible to avoid the problem of heat generation in parts subjected to the concentrated energy of irradiating light even when the parts are irradiated with high-energy light from a light source, and a projection type of image display device equipped with this lighting device. This lighting device comprises a light source and a rotary reflecting member that is disposed at an angle to light incident from the light source. The rotary reflecting member has on its periphery a portion that reflects incident light (first region) and a portion that does not reflect (second region). | 04-25-2013 |
20130141892 | LAMP AND LIGHTING APPARATUS - Provided is a lamp capable of suppressing an increase in temperature of a semiconductor light-emitting device, such as LED. A lamp according to the present invention is a lamp in which gas is enclosed, the lamp includes: a globe; and a light-emitting module which is housed in the globe and includes a base board and an LED disposed on the base board. The gas in the lamp is enclosed in the globe, the gas surrounding the light-emitting module and containing one of hydrogen, helium, and nitrogen. | 06-06-2013 |
20130146937 | MOUNTING SUBSTRATE, LIGHT-EMITTING DEVICE, AND LAMP - A substrate having a mounting surface on which an LED is mounted, including: a conductive member provided on the mounting surface and including an electrode and wiring which are electrically connected to the LED; a fitting portion to which a metal body is fitted; and a discharge-reducing portion provided between the conductive member and the fitting portion and having a face tilted with respect to a surface of the mounting substrate, thereby increasing a creeping distance between the conductive member and the fitting portion compared to the case where the discharge-reducing portion is not provided. | 06-13-2013 |
20130147348 | MOUNTING BOARD, LIGHT EMITTING DEVICE AND LAMP - A mounting board is provided which is translucent and has a surface on which an LED is mounted. The mounting board includes a sintered body film having a wavelength shifter which converts a wavelength of light and a sintering binder made of an inorganic material. The wavelength shifter converts a wavelength of light proceeding toward the surface on which the LED is mounted among light emitted by the LED and radiates wavelength-converted light. The sintering binder transmits the light emitted by the LED and the wavelength-converted light. | 06-13-2013 |
20130286359 | LIGHT SOURCE DEVICE AND PROJECTION TYPE DISPLAY APPARATUS EMPLOYING SAME LIGHT SOURCE DEVICE - A light source device and a projection type display apparatus include: an excitation light source; and a fluorescence light-emitting plate including a fluorescence light-emitting section arranged opposite to the excitation light source and a reflection section containing titanium oxide located on the opposite side of the excitation light source as viewed from the side of the fluorescence light-emitting section and arranged such as to be joined to the fluorescence light-emitting section. Then, excitation light from the excitation light source is projected onto the fluorescence light-emitting section so that fluorescence emission light is emitted from the fluorescence light-emitting section and reflected fluorescence light is emitted from the reflection section. | 10-31-2013 |
20140306249 | LIGHTING APPARATUS - This lighting apparatus includes three or more LEDs arranged in a row. Each of the LEDs emits light of a color different from that of an LED adjacent to itself, and the LEDs include an LED having a relatively wide light distribution angle and others of the three or more LEDs each having a relatively narrow light distribution angle. The one LED is arranged in an inner portion in the row of the other LEDs. In this configuration, light emitted from the one LED is mixed well with lights emitted from the respective other LEDs adjacent to the one LED, and thus, color unevenness of illuminating light can be reduced. | 10-16-2014 |
20140307447 | LIGHTING APPARATUS - A lighting apparatus includes a plurality of LEDs arranged in a row; an elongated wiring board on which the LEDs are mounted; and an optical lens covering all the LEDs and controlling distribution of light emitted from each LED. The light emitted from each LED has an optical axis orthogonal to the wiring board. The optical lens is a converging lens and includes a first light incident surface on which the light emitted from the LED is incident, a medium that guides the light incident from the light incident surface, a light emitting surface, and a diffusion section that contains diffusing particles for causing the light incident from the LED to diffuse. The concentration of the diffusing particles in the diffusion section is high in the vicinity of the optical axis of the light emitted from the LED and gradually decreases as a distance from the optical axis increases. | 10-16-2014 |
20140307454 | LIGHTING SYSTEM - A lighting system includes a lighting apparatus provided along one side of an aisle and a specular reflection plate provided along the other side of the aisle to reflect the light emitted from the lighting apparatus toward a region where the lighting apparatus is provided. According to the above configuration, the lighting apparatus can illuminate the region where the lighting apparatus is provided. Therefore, it is possible to effectively illuminate a cabin of an aircraft with less lighting apparatuses as compared to conventional lighting apparatuses which are provided along both sides of the aisle. Moreover, since the number of the lighting apparatuses can be reduced, it is possible to improve fuel efficiency of the aircraft by reducing the total weight of the aircraft. | 10-16-2014 |
20150036361 | ILLUMINATION LIGHT SOURCE - An illumination light source includes a light emitting module having a light emitting part, a circuit unit, a base, a tube-like first housing member to accommodate the circuit unit, and a second housing member having a plurality of radiation fins. The light emitting module is disposed on one opening-side of the first housing member, while the base is disposed on the other opening-side. The second housing member includes a rotary ring body with a rotation axis agreeing with the center axis of the first housing member, and the plurality of the plate-lake radiation fins. The plurality of the radiation fins is parallel to one virtual plane containing the rotation axis, and disposed at intervals between each other in the direction orthogonal to the virtual plane. The inner wall of the rotary ring body surrounds the outer walls of the first and second housing members to combine the members. | 02-05-2015 |