Patent application number | Description | Published |
20110074290 | SELF-BALLASTED LAMP AND LIGHTING EQUIPMENT - A self-ballasted lamp includes: a base body; a light-emitting module and a globe which are provided at one end side of the base body; a cap provided at the other end side of the base body; and a lighting circuit housed between the base body and the cap. The light-emitting module has light-emitting portions each using a semiconductor light-emitting element, and a support portion projected at one end side of the base body, and the light-emitting portions are disposed at least on a circumferential surface of the support portion. A light-transmissive member is interposed between the light-emitting module and an inner face of the globe. | 03-31-2011 |
20120300430 | LIGHT-EMITTING MODULE AND LIGHTING APPARATUS - According to one embodiment, a light-emitting module includes a light-transmissive substrate, an LED chip arranged on one surface of the light-transmissive substrate, and a phosphor layer surrounding the LED chip. The phosphor layer includes a first phosphor layer covering one surface of the LED chip and a second phosphor layer covering the other surface side of the light-transmissive substrate and being continuous with the first phosphor layer. | 11-29-2012 |
20130249389 | Luminaire - A luminaire includes a semiconductor light source having a light emission peak in a range of wavelength smaller than 480 nm and a phosphor excited by light radiated from the semiconductor light source to radiate light having wavelength equal to or larger than 480 nm. A spectrum of radiated light obtained by combining the light radiated from the semiconductor light source and the light radiated from the phosphor has a light emission peak in a range of wavelength equal to or larger than 610 nm and smaller than 650 nm. A ratio of radiation energy in a range of wavelength equal to or larger than 650 nm and equal to or smaller than 780 nm to radiation energy in a range of wavelength equal to or larger than 600 nm and smaller than 650 nm is equal to or lower than 35%. A color gamut area ratio exceeds 100%. | 09-26-2013 |
20130250562 | WIRING BOARD DEVICE, LUMINAIRE, AND MANUFACTURING METHOD OF THE WIRING BOARD DEVICE - According to one embodiment, a wiring board device is provided in which even if the temperature of a ceramic board becomes high, the influence on a connector can be reduced and the occurrence of defects due to heat can be prevented. The wiring board device includes a common member. The ceramic board and the connector are placed on the common member. A wiring pattern of the ceramic board and the connector are electrically connected by wiring. | 09-26-2013 |
20130250576 | WIRING BOARD DEVICE, LUMINAIRE AND MANUFACTURING METHOD OF THE WIRING BOARD DEVICE - According to one embodiment, a wiring board device includes a ceramic board including a first surface and a second surface. A first electrode layer is formed on the first surface of the ceramic board, and a second electrode layer is formed on the second surface of the ceramic board. The first electrode layer and the second electrode layer are not electrically connected to each other. A first copper plated layer as a wiring pattern is formed on the first electrode layer, and a second copper plated layer is formed on the second electrode layer. The first copper plated layer and the second copper plated layer are not electrically connected to each other. A heat spreader is thermally connected to the second copper plated layer. | 09-26-2013 |
20140145590 | SELF-BALLASTED LAMP AND LIGHTING EQUIPMENT - A self-ballasted lamp includes: a base body; a light-emitting module and a globe which are provided at one end side of the base body; a cap provided at the other end side of the base body; and a lighting circuit housed between the base body and the cap. The light-emitting module has light-emitting portions each using a semiconductor light-emitting element, and a support portion projected at one end side of the base body, and the light-emitting portions are disposed at least on a circumferential surface of the support portion. A light-transmissive member is interposed between the light-emitting module and an inner face of the globe. | 05-29-2014 |
20140153238 | Light Emitting Device and Luminaire - According to one embodiment, there is provided a light-emitting device including a light-emitting section, a thermal radiation member, and a heat conduction layer. The light-emitting section includes a mounting substrate section and a light-emitting element section. The mounting substrate section includes a substrate, a first metal layer, and a second metal layer. The substrate includes a first principal plane including a mounting region and a second principal plane. The first metal layer includes mounting patterns provided in the mounting region. The light-emitting element section includes semiconductor light-emitting elements and a wavelength conversion layer. The semiconductor light-emitting elements are connected to the mounting patterns. The luminous exitance of the light-emitting element section is equal to or higher than 101 m/mm | 06-05-2014 |
20140231847 | Light Emitting Module and Lighting Device - A light emitting module according to one embodiment includes a substrate; a light emitting body disposed on the substrate; a first phosphor which is excited by emitted light of the light emitting body; and a second phosphor which is arranged between the first phosphor and the light emitting body. The first phosphor has a light emitting peak whose half-value width is 20 nm or less in a wavelength range from 610 nm to less than 650 nm. The second phosphor is excited by the emitted light of the light emitting body, and has the light emitting peak in the wavelength range between a peak wavelength of a light emitting spectrum of the light emitting body and the peak wavelength of the light emitting spectrum of the first phosphor. | 08-21-2014 |
20140232257 | Light Emitting Module and Lighting Device - A light emitting module according to one embodiment includes a substrate; a light emitting body disposed on the substrate; and a phosphor layer having a first phosphor and a second phosphor which are excited by emitted light of the light emitting body. The first phosphor has a light emitting peak whose half-value width is 20 nm or less in a wavelength range from 610 nm to less than 650 nm, and the second phosphor has the light emitting peak in the wavelength range between a peak wavelength of a light emitting spectrum of the light emitting body and the peak wavelength of the light emitting spectrum of the first phosphor. Then, a distribution of the first phosphor in the phosphor layer has density gradient, where the density of the first phosphor increases toward at least one end of the phosphor layer in a direction perpendicular to the substrate. | 08-21-2014 |
20140354146 | Luminaire - A luminaire includes a semiconductor light source having a light emission peak in a range of wavelength smaller than 480 nm and a phosphor excited by light radiated from the semiconductor light source to radiate light having wavelength equal to or larger than 480 nm. A spectrum of radiated light obtained by combining the light radiated from the semiconductor light source and the light radiated from the phosphor has a light emission peak in a range of wavelength equal to or larger than 610 nm and smaller than 650 nm. A ratio of radiation energy in a range of wavelength equal to or larger than 650 nm and equal to or smaller than 780 nm to radiation energy in a range of wavelength equal to or larger than 600 nm and smaller than 650 nm is equal to or lower than 35%. A color gamut area ratio exceeds 100%. | 12-04-2014 |
20150084075 | Light-Emitting Module and Luminaire - According to one embodiment, there is provided a light-emitting module including a substrate, a light-emitting body provided on the substrate, and a phosphor containing layer provided on the substrate and the light-emitting body, the phosphor containing layer including a first phosphor excited by emitted light of the light-emitting body, having a light emission peak in a wavelength range equal to or greater than 610 nm and less than 655 nm, and having a surface covered with a protection film. | 03-26-2015 |