Abstract: A light-emitting device includes a substrate, a light-emitting element disposed on the substrate, and a sealing member for sealing the light-emitting element. The sealing member contains at least a particulate red phosphor. The red phosphor contains at least a Mn4+-activated fluoride complex phosphor. The sealing member has an upper surface with irregularities on at least part of the upper surface.

Abstract: A light-emitting device includes a substrate, a light-emitting element disposed on the substrate, and a sealing member for sealing the light-emitting element. The sealing member contains at least a particulate red phosphor. The red phosphor contains at least a Mn4+-activated fluoride complex phosphor. The sealing member has an upper surface with irregularities on at least part of the upper surface.

Abstract: The light emitting device (10A) includes an LED chip (12) and a ceramic support body (14) where the LED chip (12) is placed. The ceramic support body (14) includes a placement surface (14d) where the LED chip (12) is placed, internal terminals (22a, 22b) disposed on the placement surface (14d), a back surface (14c) that face the placement surface (14d), a mounting surface (14b) between the placement surface (14d) and the back surface (14c), and external terminals (28a, 28b) disposed on the mounting surface (14b). The internal terminals (22a, 22b) are coupled to the external terminals (28a, 28b) through at least one inner via (24a, 24b).

Abstract: A light-emitting device according to an embodiment of the present invention includes a light-emitting element, and a package substrate on which this light-emitting element is placed. This package substrate includes a placement face on which the light-emitting element is placed, a back face that is opposed to the placement face, and a mounting face that is opposed, between the placement face and the back face, to a mounting substrate when the light-emitting device is mounted, and includes a first recess portion that extends, on the mounting face, from the back face toward the placement face and that has a first heat conduction member formed on the surface thereof, and an intermediate heat conduction member for conducting heat between the light-emitting element and the first heat conduction member.

Abstract: A light-emitting device according to an embodiment of the present invention includes a light-emitting element, and a package substrate on which this light-emitting element is placed. This package substrate includes a placement face on which the light-emitting element is placed, a back face that is opposed to the placement face, and a mounting face that is opposed, between the placement face and the back face, to a mounting substrate when the light-emitting device is mounted, and includes a first recess portion that extends, on the mounting face, from the back face toward the placement face and that has a first heat conduction member formed on the surface thereof, and an intermediate heat conduction member for conducting heat between the light-emitting element and the first heat conduction member.

Abstract: An LED device at least including a blue light emitting element having peak emission wavelength of 420 nm to 480 nm, a green fluorescent substance having peak wavelength of fluorescent spectrum in the range of 500 nm to 580 nm with the emission of the blue light emitting element, and a red light emitting element having peak emission wavelength of 600 nm to 670 nm is provided. The device may further include an ultraviolet/violet light emitting element for exciting green fluorescent substance. As a result, an LED device capable of attaining bright white light with good color reproduction characteristic is provided.

Abstract: A mobile telephone comprising a camera, and a light emitting diode, wherein the light emitting diode operates both as an incoming call indicator lamp and as a camera flash, and both the light emitting diode and the camera are arranged on one face of the mobile telephone, and the one face is the side that faces a direction to take a photograph.

Abstract: A light emitting apparatus includes: a semiconductor light emitting element capable of emitting light of two wavelength components; and a fluorescent material section, having a fluorescent material contained therein, capable of emitting light, the light being radiated as a result of fluorescence from the fluorescent material when the fluorescent material is excited by the two wavelength components, wherein the two wavelength components and the wavelength component resulting from the fluorescence are adjusted so as to be set at an arbitrary color temperature on a characteristic curve of black-body radiation.

Abstract: A mobile telephone quipped with a camera may employ, as a camera flash, one or more RGB tri-color LEDs arranged on a face of the mobile telephone which is aligned with the direction in which a photograph may be taken by the camera. The viewing angle of the RGB tri-color LED may be greater than the field angle of the camera, and a lens may be arranged in front of emitting portion(s) of the RGB tri-color LED so as to cause illuminance to be uniform within the field angle of the camera. The RGB tri-color LED may also serve as an indicator of telephone functions.

Abstract: An LED device at least including a blue light emitting element having peak emission wavelength of 420 nm to 480 nm, a green fluorescent substance having peak wavelength of fluorescent spectrum in the range of 500 nm to 580 nm with the emission of the blue light emitting element, and a red light emitting element having peak emission wavelength of 600 nm to 670 nm is provided. The device may further include an ultraviolet/violet light emitting element for exciting green fluorescent substance. As a result, an LED device capable of attaining bright white light with good color reproduction characteristic is provided.

Abstract: A mobile telephone equipped with camera(s) may employ, as camera flash(es), RGB tri-color LED(s) arranged on face(s) of the mobile telephone on side(s) thereof which is or are in direction(s) in which photograph(s) may be taken by camera(s). Where this is the case, the structure employed may be such that viewing angle(s) of RGB tri-color LED(s) is or are greater than field angle(s) of camera(s), and lens(es) may be arranged to the front of light emitting portion(s) of RGB tri-color LED(s) so as to cause illuminance of RGB tri-color LED(s) to be uniform within field angle(s) of camera(s). RGB tri-color LED(s) may also serve as incoming call indicator lamp(s).

Abstract: The disclosed device includes a heater mounted on a plant stem for generating a heat flow Q so as to give a heat supply (Q-Q.sub.o) to water flow in the stem, Q.sub.o being heat loss, a means for controlling heat loss Q.sub.o or heat dissipation through surfaces of the heater and the plant stem at a constant level, a means for measuring difference of the stem temperature between the upstream and downstream ends of the heater, and a means for determining the water flow rate in the plant stem from the above temperature difference and the input power to the heater.