Abstract:
PROBLEM TO BE SOLVED: To provide a discharge lamp which excels in the startability over a long period. SOLUTION: The discharge lamp includes an inner tube 1, having a light-emitting part 11 having a first space 111 inside and a seal part 12; a discharge medium containing xenon as a first gas sealed in the first space 111; an electrode mount 3 sealed to the seal part 12; and an outer tube 5 provided to cover the light emitting part 11. Nitrogen is sealed in a second space 51 as a second gas which is formed between the inner tube 1 and the outer tube 5. A first conductive film 61 is formed at least at a part of inner surface of the outer tube 5, for example, the inner surface of the outer tube 5 near a metal foil 31, on the high pressure side. COPYRIGHT: (C)2011,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a lighting device capable of preventing the unevenness of luminance and chromaticity, to provide a thin surface lighting device having the lighting device, and to provide a light-emitting device assembled in the surface lighting device. SOLUTION: The lighting device has a mounting board, and a plurality of light-emitting devices mounted on the mounting board at a line. An arranged direction of the light-emitting devices and an arranged direction of a plurality of light-emitting elements respectively housed in the light-emitting devices are substantially in parallel. The lighting devices are mounted on the surface lighting device. The surface lighting device has a light reflector arranged on a bottom of a case, and a light extraction section arranged so as to face to a principal plane of the light reflector. The light from the lighting device is emitted to a hollow light guide zone sandwiched between the light reflector and the light extraction section. COPYRIGHT: (C)2011,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To improve efficiency of energy by using light emission from an LED. SOLUTION: An LED driving controller includes LEDs 15 and 16 of two systems each of which emits optical energy when a current flows in the forward direction of the LED and reversely function as a power generating element when the LED is irradiated with light, and while one system is in a light emitting state, the other system operates as the power generating element. Energy of power generation is used as part of a driving power source of the LED 15 (16) of the system emitting the light. Consequently, energy obtained from the LED 15 (16) of the system emitting the light is regenerated by a circuit which drives the LED 16 (15) of the system receiving the light through a regenerating circuit 17 to contribute to use as an auxiliary power source for the LED 16 (15) of the system emitting the light and improvement in efficiency of the energy. COPYRIGHT: (C)2011,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To achieve a tubular heater device for fixing a toner, designed to improve power efficiency, fixability, and responsiveness with a simple structure. SOLUTION: A filament 13 partially having a light-emitting part 131 and a non-light-emitting part 132 in the longitudinal direction of a bulb 11 and an inert gas are filled in the bulb 11 in which sealing parts 151, 152 are formed at its both ends to form an incandescent lamp L1. A filament 14 partially having a light-emitting part 141 and a non-light-emitting part 142 in the longitudinal direction of a bulb 12 and the inert gas are filled in the glass bulb 12 in which sealing parts 211, 212 are formed at its both ends to form an incandescent lamp L2. Reflective films 22, 23 are formed on the outer surfaces of the incandescent lamps L1, L2 facing each other respectively in their longitudinal direction. The portions of infrared rays mutually irradiated toward the incandescent lamps L1, L2 use the portions reflected by the reflective films 22, 23. Thus, power efficiency can be improved, and fixability and responsiveness can be improved. COPYRIGHT: (C)2010,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide an electrodeless discharge lamp apparatus and a bactericidal apparatus, in which a ring discharge can be effectively utilized and general use characteristics can be improved with respect to installation locations in the structure wherein the electrodeless discharge vessel to which exciting coils are wound is arranged in a lean and long outer tube. SOLUTION: A structure is disclosed, which comprises an elongated outer tube 2, one or plural discharge containers 1-1 to 1-4 disposed in the outer tube in a length-wise direction thereof, and one or plural exciting coils L-1 to L-4 wound around the respective discharge container on the length-wise direction of the outer tube.
Abstract:
PROBLEM TO BE SOLVED: To provide an illumination device capable of irradiating luminous flux of a desired irradiation pattern in a wide range of irradiation distance. SOLUTION: A reflection type LED 12 is adopted as a light source, and light irradiated from a light-emitting element 17 arranged at a first focus F1 of the reflection surface 14 is once converged at a second focus F2, and then, made to enter into a lens portion 33 to be converted into parallel light. Thereby, accurate parallel light can be formed. Then, the luminous flux converted into parallel light is made to enter into a cylindrical lens 35 and, by changing only one axial direction into a diffusion direction, linear illumination light is formed. Thereby, irrespective of irradiation distance, linear light of a certain pattern width can be irradiated. COPYRIGHT: (C)2010,JPO&INPIT