Abstract: The present invention provides a technology related to an improvement in the performance of releasing heat generated in a semiconductor light-emitting device. In a light-emitting module including a semiconductor light-emitting device provided with at least a semiconductor light-emitting element and a phosphor, and a circuit board, on the circuit board, at least a semiconductor light-emitting device including a plurality of semiconductor light-emitting elements each having a different path of a drive current to be supplied thereto, or a plurality of semiconductor light-emitting devices each having a different path of a drive current to be supplied to the semiconductor light-emitting elements is mounted. The circuit board is provided with a base material portion formed using a heat-conducting material, and a power supply conductor layer for supplying the drive currents of the semiconductor light-emitting elements to the semiconductor light-emitting device.

Abstract: The present invention provides a semiconductor light-emitting device which emits light with high chroma, and an exhibit-irradiating illumination device, a meat-irradiating illumination device, a vegetable-irradiating illumination device, a fresh fish-irradiating illumination device, a general-purpose illumination device, and a semiconductor light-emitting system which include the semiconductor light-emitting device. A semiconductor light-emitting device 1 comprises an LED chip 10 as a semiconductor light-emitting element and a phosphor 20 which uses the LED chip 10 as an excitation source to emit light. The phosphor contains at least a green phosphor and a red phosphor, and a value of intensity of light with a wavelength of 660 nm in a spectrum of beam-normalized light emitted from the semiconductor light-emitting device 1 is 170% or more and 300% or less of a value of intensity of light with a wavelength of 660 nm in a spectrum of beam-normalized reference light for color rendering evaluation.

Abstract: The present invention provides a technology that allows reducing the used amount of a Mn4+-activated fluoride complex phosphor without loss of luminous efficiency, in a white light-emitting device that is provided with the Mn4+-activated fluoride complex phosphor and an LED element that is an excitation source of the phosphor. The present invention provides a white light-emitting device comprises a blue LED element, as well as a yellow phosphor and/or a green phosphor and a red phosphor as phosphors that are excited by the blue LED element. The red phosphor contains a Mn4+-activated fluoride complex phosphor and a Eu2+-activated alkaline earth silicon nitride phosphor.

Abstract: An illuminating device comprising a plurality of semiconductor light-emitting devices differing in emission color and employing a semiconductor light-emitting element and a phosphor, wherein outputted light is stably combined, separation of light is inhibited, and color tone is variable, and which devices emit light outward on the basis of an emission from the semiconductor light-emitting element and from the phosphor which is excited by emission from the semiconductor light-emitting element to fluoresce or on the basis of emission from the phosphor which is so excited to fluoresce, the deviation duv of which from a blackbody radiation locus being within a range of ?0.02?duv?0.02, in the uv chromaticity diagram according to UCS (u,v) color system (CIE 1960), and outputted lights from the light-emitting part in which the plurality of kinds of the semiconductor light-emitting devices are integrated and arranged, are mixed together and emitted outward.

Abstract: The invention aims at providing controllable parameters that are correlated with special color rendering index R9, and at providing a white-light emitting semiconductor device having a high R9 value obtained through optimization of such parameters. The white-light emitting semiconductor device is provided with a phosphor as a light-emitting material and with a light-emitting semiconductor element as an excitation source of the phosphor. The phosphor includes at least a green phosphor and a wide-band red phosphor. In the white light-emitting semiconductor device, an intensity at wavelength 640 nm of an emission spectrum which has been normalized with respect to luminous flux is 100-110% of the intensity at wavelength 640 nm of a spectrum of standard light for color rendering evaluation which has been normalized with respect to luminous flux.

Abstract: A white light-emitting semiconductor device having improved reproducibility of bright red. The device outputs light having a blue component, a green component, and a red component. Each of the light components (blue, green, and red) is based on a light-emitting semiconductor element and/or a phosphor that absorbs light emitted by a light-emitting semiconductor element and emits light through wavelength conversion. The outputted light has a spectrum which has a maximum wavelength in the range of 615-645 nm, and the intensity at a wavelength of 580 nm of the outputted light, which has been normalized with respect to luminous flux, is 80-100% of the intensity at a wavelength of 580 nm of standard light for color rendering evaluation, which has been normalized with respect to luminous flux.

Abstract: The present invention provides a semiconductor light-emitting device that emits light with a specific low correlated color temperature and with a high Ra, and a semiconductor light-emitting system provided with the semiconductor light-emitting device. This object is attained by the semiconductor light-emitting device having the below-described configuration. A semiconductor light-emitting device includes a LED chip as a semiconductor light-emitting element, and a phosphor emitting light using the LED chip as an excitation source, and emits light with a correlated color temperature equal to or higher than 1600 K and lower than 2400 K. The phosphor includes at least a green phosphor and a red phosphor. In the spectrum of light emitted from the semiconductor light-emitting device, the value of the peak intensity of the light emitted by the LED chip is less than 60% of the maximum peak intensity of the light emitted by the phosphor.

Abstract: The present invention provides a technology related to an improvement in the performance of releasing heat generated in a semiconductor light-emitting device. In a light-emitting module including a semiconductor light-emitting device provided with at least a semiconductor light-emitting element and a phosphor, and a circuit board, on the circuit board, at least a semiconductor light-emitting device including a plurality of semiconductor light-emitting elements each having a different path of a drive current to be supplied thereto, or a plurality of semiconductor light-emitting devices each having a different path of a drive current to be supplied to the semiconductor light-emitting elements is mounted. The circuit board is provided with a base material portion formed using a heat-conducting material, and a power supply conductor layer for supplying the drive currents of the semiconductor light-emitting elements to the semiconductor light-emitting device.

Abstract: A white light-emitting semiconductor device having improved reproducibility of bright red. The device outputs light having a blue component, a green component, and a red component. Each of the light components (blue, green, and red) is based on a light-emitting semiconductor element and/or a phosphor that absorbs light emitted by a light-emitting semiconductor element and emits light through wavelength conversion. The outputted light has a spectrum which has a maximum wavelength in the range of 615-645 nm, and the intensity at a wavelength of 580 nm of the outputted light, which has been normalized with respect to luminous flux, is 80-100% of the intensity at a wavelength of 580 nm of standard light for color rendering evaluation, which has been normalized with respect to luminous flux.

Abstract: A white light-emitting semiconductor device having improved reproducibility of bright red. The device outputs light having a blue component, a green component, and a red component. Each of the light components (blue, green, and red) consists of a light-emitting semiconductor element and/or a phosphor that absorbs light emitted by a light-emitting semiconductor element and emits light through wavelength conversion. The outputted light has a spectrum which has a maximum wavelength in the range of 615-645 nm, and the intensity at a wavelength of 580 nm of the outputted light, which has been normalized with respect to luminous flux, is 80-100% of the intensity at a wavelength of 580 nm of standard light for color rendering evaluation, which has been normalized with respect to luminous flux.

Abstract: The present invention provides a semiconductor light-emitting device which emits light with high chroma, and an exhibit-irradiating illumination device, a meat-irradiating illumination device, a vegetable-irradiating illumination device, a fresh fish-irradiating illumination device, a general-purpose illumination device, and a semiconductor light-emitting system which include the semiconductor light-emitting device. A semiconductor light-emitting device 1 comprises an LED chip 10 as a semiconductor light-emitting element and a phosphor 20 which uses the LED chip 10 as an excitation source to emit light. The phosphor contains at least a green phosphor and a red phosphor, and a value of intensity of light with a wavelength of 660 nm in a spectrum of beam-normalized light emitted from the semiconductor light-emitting device 1 is 170% or more and 300% or less of a value of intensity of light with a wavelength of 660 nm in a spectrum of beam-normalized reference light for color rendering evaluation.

Abstract: The present invention provides a technology that allows reducing the used amount of a Mn4+-activated fluoride complex phosphor without loss of luminous efficiency, in a white light-emitting device that is provided with the Mn4+-activated fluoride complex phosphor and an LED element that is an excitation source of the phosphor. The present invention provides a white light-emitting device comprises a blue LED element, as well as a yellow phosphor and/or a green phosphor and a red phosphor as phosphors that are excited by the blue LED element. The red phosphor contains a Mn4+-activated fluoride complex phosphor and a Eu2+-activated alkaline earth silicon nitride phosphor.

Abstract: An illuminating device comprising a plurality of semiconductor light-emitting devices differing in emission color and employing a semiconductor light-emitting element and a phosphor, wherein outputted light is stably combined, separation of light is inhibited, and color tone is variable, and which devices emit light outward on the basis of an emission from the semiconductor light-emitting element and from the phosphor which is excited by emission from the semiconductor light-emitting element to fluoresce or on the basis of emission from the phosphor which is so excited to fluoresce, the deviation duv of which from a blackbody radiation locus being within a range of ?0.02?duv?0.02, in the uv chromaticity diagram according to UCS (u,v) color system (CIE 1960), and outputted lights from the light-emitting part in which the plurality of kinds of the semiconductor light-emitting devices are integrated and arranged, are mixed together and emitted outward.

Abstract: An illuminating device comprising semiconductor light-emitting devices employing a semiconductor light-emitting element, wherein outputted light is stably combined, separation of light is inhibited, and color tone is variable. Control for operating the light-emitting devices is as simple as possible.

Abstract: An illuminating device has a solid light-emitting element module and a phosphor module joined to the solid light-emitting element module. The solid light-emitting element module has a plurality of the solid light-emitting elements. The phosphor module has a plurality of phosphor-containing parts corresponding to the individual solid light-emitting elements. Thus, a light-emitting part is provided, which has more than one kind of luminescence sources having the solid light-emitting element and the phosphor-containing part. An illumination intensity of a composite light is 150 lux or more at a distance of 30 cm perpendicularly from the light-emitting surface of the light-emitting part.

Abstract: The invention aims at providing controllable parameters that are correlated with special color rendering index R9, and at providing a white light-emitting semiconductor device having a high R9 value obtained through optimization of such parameters. The white light-emitting semiconductor device is provided with a phosphor as a light-emitting material and with a light-emitting semiconductor element as an excitation source of the phosphor. The phosphor includes at least a green phosphor and a wide-band red phosphor. In the white light-emitting semiconductor device, an intensity at wavelength 640 nm of an emission spectrum which has been normalized with respect to luminous flux is 100-110% of the intensity at wavelength 640 nm of a spectrum of standard light for color rendering evaluation which has been normalized with respect to luminous flux.

Abstract: A white light-emitting semiconductor device having improved reproducibility of bright red. The device outputs light having a blue component, a green component, and a red component. Each of the light components (blue, green, and red) consists of a light-emitting semiconductor element and/or a phosphor that absorbs light emitted by a light-emitting semiconductor element and emits light through wavelength conversion. The outputted light has a spectrum which has a maximum wavelength in the range of 615-645 nm, and the intensity at a wavelength of 580 nm of the outputted light, which has been normalized with respect to luminous flux, is 80-100% of the intensity at a wavelength of 580 nm of standard light for color rendering evaluation, which has been normalized with respect to luminous flux.

Abstract: An illuminating device comprising semiconductor light-emitting devices employing a semiconductor light-emitting element, wherein outputted light is stably combined, separation of light is inhibited, and color tone is variable. Control for operating the light-emitting devices is as simple as possible.

Abstract: An illuminating device has a solid light-emitting element module (10) and a phosphor module (20) joined to the solid light-emitting element module (10). The solid light-emitting element module (10) has a plurality of the solid light-emitting elements. The phosphor module (20) has a plurality of phosphor-containing parts (22) corresponding to the individual solid light-emitting elements (12). Thus, a light-emitting part is provided, which has more than one kind of luminescence sources having the solid light-emitting element (12) and the phosphor-containing part (22). An illumination intensity of a composite light is 150 lux or more at a distance of 30 cm perpendicularly from the light-emitting surface of the light-emitting part.