Abstract: An LED lamp includes at least one LED chip having an emission peak wavelength of 400 nm to 490 nm, and a wavelength converting portion including a phosphor for transforming the emission of the LED chip into light having a longer wavelength than that of the emission. The LED lamp further includes a filtering member, of which the spectral transmittance is adjusted so as to minimize color shifting even if the amount of current supplied to the LED chip to make the LED chip produce the emission has changed.

Abstract: A lighting apparatus comprises an LED-mounted substrate and an exhauster. The substrate has a flat area as well as one or more raised areas of trapezoidal cross section which each form a passage thereunder. LEDs are mounted on the raised areas. When the LED-mounted substrate is installed on a wall, the passages are enclosed by the wall. The exhauster removes the heat from the LEDs by drawing out the air going through inside the passages.

Abstract: A number of red LEDs, green LEDs, and blue LEDs are mounted on one surface of a polygonal flexible multilayer substrate. The LEDs are connected in series according to color. A red feeder terminal, a green feeder terminal, a blue feeder terminal, and a common terminal are provided on each of at least three sides of the periphery of the flexible multilayer substrate. Circuit patterns for connecting LEDs at the high-potential end of the red, green, and blue series-connected LEDs respectively to the red feeder terminals, green feeder terminals, and blue feeder terminals are provided to the flexible multilayer substrate. Also, a circuit pattern for connecting LEDs at the low-potential end of the red, green, and blue series-connected LEDs all to the common terminals is provided to the flexible multilayer substrate.

Abstract: In the present invention, a plurality of concaves are provided for one main surface of a flexible substrate by press-forming. Each concave has a flat surface which is substantially parallel to the main surface of the substrate, and mounted on the flat surface are three LEDs each emitting colored light of red, green, and blue respectively.

Abstract: In an antenna for communicating an electromagnetic wave, a first converger converges the electromagnetic wave. A second converger faces the first converger and includes a conductor plate having a through hole, into which a magnetic flux of the converged electromagnetic wave is converged. The through hole is formed at a center portion of the conductor plate so as to have a size which is sufficiently smaller than a wavelength of the electromagnetic wave. The conductor plate is formed with a cutout extending from a part of the through hole to an outer periphery of the conductor plate. A converter faces the through hole of the conductor plate to convert the converged magnetic flux into voltage.

Abstract: A plurality of groups of Light Emitting Diodes (LEDs), each group being made up of three LEDs with red, green, and blue luminous colors respectively, are mounted at positioning areas of a flexible substrate, on the wiring patterns formed on the top surface of the substrate. A plurality of heat dissipation boards are adhered to the bottom surface of the substrate using an adhesive so as to cover the areas corresponding to the positioning areas of the groups of LEDs.

Abstract: A number of red LEDs, green LEDs, and blue LEDs are mounted on one surface of a polygonal flexible multilayer substrate. The LEDs are connected in series according to color. A red feeder terminal, a green feeder terminal, a blue feeder terminal, and a common terminal are provided on each of at least three sides of the periphery of the flexible multilayer substrate. Circuit patterns for connecting LEDs at the high-potential end of the red, green, and blue series-connected LEDs respectively to the red feeder terminals, green feeder terminals, and blue feeder terminals are provided to the flexible multilayer substrate. Also, a circuit pattern for connecting LEDs at the low-potential end of the red, green, and blue series-connected LEDs all to the common terminals is provided to the flexible multilayer substrate.

Abstract: An illumination light source includes four different types of LEDs, namely a blue light-emitting diode 11 emitting blue light, a blue-green light-emitting diode 12 emitting blue-green light, an orange light-emitting diode 13 emitting orange light and a red light-emitting diode 14 emitting red light. Thus, an illumination light source having high efficiency and high color rendering performance is provided.

Abstract: A method of constructing underground galleries using a pneumatic transfer system and a stratum disposal method are provided, wherein in constructing a disposal gallery of a stratum disposal site and tunnels such as mountain tunnels or in performing stratum disposal of waste matter, the carrying-out of excavation chips or the like, the carrying-in of materials and equipment or the like and the carrying-in and positioning of waste matter may be effected safely, quickly and reliably at low cost, and the buffer material quality for waste matter may be secured. In construction, an air carrying pipeline (10) is used while extending the air carrying pipeline (10) downward as desired during excavation of a vertical shaft (2) so as to carry out vertical shaft excavation chips (a) to the ground and carry in materials and equipment including vertical shaft spray concrete (b) to the underground site.

Abstract: A number of red LEDs, green LEDs, and blue LEDs are mounted on one surface of a multilayer flexible substrate having a round plane figure. The LEDs are connected in series according to color. At least three sets of terminals which are each made up of a red feeder terminal, a green feeder terminal, a blue feeder terminal, and a common feeder terminal are provided on the periphery of the flexible substrate. Wiring patterns for connecting LEDs at the high-potential end of the red, green, and blue series-connected LEDs respectively to the red feeder terminals, the green feeder terminals, and the blue feeder terminals are provided to the flexible substrate. Also, a wiring pattern for connecting LEDs at the low-potential end of the red, green, and blue series-connected LEDs all to the common feeder terminals is provided to the flexible substrate.

Abstract: An illumination light source includes four different types of LEDs, namely a blue light-emitting diode 11 emitting blue light, a blue-green light-emitting diode 12 emitting blue-green light, an orange light-emitting diode 13 emitting orange light and a red light-emitting diode 14 emitting red light. Thus, an illumination light source having high efficiency and high color rendering performance is provided.

Abstract: An LED lamp includes at least one LED chip having an emission peak wavelength of 400 nm to 490 nm, and a wavelength converting portion including a phosphor for transforming the emission of the LED chip into light having a longer wavelength than that of the emission. The LED lamp further includes a filtering member, of which the spectral transmittance is adjusted so as to minimize color shifting even if the amount of current supplied to the LED chip to make the LED chip produce the emission has changed.

Abstract: An LED lamp includes at least one LED chip and a wavelength converting portion including a phosphor for transforming the emission of the LED chip into light having a longer wavelength than that of the emission. The LED lamp further includes filtering member. The filtering member is designed such that the spectral transmittance thereof becomes lower in at least a portion of the wavelength range of 550 nm to 605 nm than in the remaining visible radiation range.

Abstract: An LED lamp includes a substrate, an LED chip, and a resin portion. The LED chip is flip-chip bonded to the substrate. The resin portion covers the LED chip and includes at least one type of phosphor that transforms the emission of the LED chip into light having a longer wavelength than the emission. In this LED lamp, the resin portion has at least one side surface. The side surface is separated from another surface that can reflect the outgoing light of the resin portion, surrounds the side surfaces of the LED chip and is curved at least partially.

Abstract: An LED illumination apparatus according to the present invention includes at least one connector and a lighting drive circuit. The connector is connected to an insertable and removable card-type LED illumination source, which includes multiple LEDs that have been mounted on one surface of a substrate. The lighting drive circuit is electrically connected to the card-type LED illumination source by way of the connector. The card-type LED illumination source preferably includes a metal base substrate and the multiple LEDs that have been mounted on one surface of the metal base substrate. The back surface of the metal base substrate, including no LEDs thereon, thermally contacts with a portion of the illumination apparatus. A feeder terminal to be electrically connected to the connector is provided on the surface of the metal base substrate on which the LEDs are provided.