Abstract: A fluid transmission device that includes a pump impeller connected to an input; a turbine runner disposed so as to face the pump impeller; an output coupled to the turbine runner; and a lockup clutch device configured to execute lockup in which the input and the output are coupled and lockup release in which the coupling of the input and the output is disconnected, the pump impeller, the turbine runner, the output, and the lockup clutch device being provided in the input.

Abstract: There is provided a lighting device including: a light emitting module having at least one light emitting device outputting light and a light emitting device board on which the at least one light emitting device is disposed; a housing installed on one side of a ring in a central axis direction relatively to the light emitting device board; and a resin globe installed to cover the light emitting module, wherein the globe has a plurality of protrusions formed by retaining at least a portion of a gate unit used in molding the globe, and the light emitting device board may have notch portions combined with the protrusions.

Abstract: There is provided a lighting device including: a light emitting module having at least one light emitting device outputting light and a light emitting device board on which the at least one light emitting device is disposed; a housing installed on one side of a ring in a central axis direction relatively to the light emitting device board; and a resin globe installed to cover the light emitting module, wherein the globe has a plurality of protrusions formed by retaining at least a portion of a gate unit used in molding the globe, and the light emitting device board may have notch portions combined with the protrusions.

Abstract: A light emitting device module is provided. The light emitting device module includes a plurality of light emitting devices which are formed adjacent to each other, a plurality of radiating bases which support at least one of the plurality of the light emitting devices, and a heat transfer prevention unit which prevents heat from being conducted between the plurality of the radiating bases, wherein distances between the adjacent light emitting devices are less than mean values of the length along the adjacent direction of the adjacent light emitting devices.

Abstract: Provided is an image projecting apparatus, including: a polarization separator having a polarization separation surface which transmits or reflects illumination light and reflection light reflected from a reflective image display unit according to polarization directions of the illumination light and the reflection light; and a polarization direction rotating member, disposed between the polarization separator and the reflective image display unit, which rotates a polarization direction of light passing twice through the polarization direction rotating member by 90° about an optical axis of the polarization separator.

Abstract: A light emitting device module is provided. The light emitting device module includes a plurality of light emitting devices which are formed adjacent to each other, a plurality of radiating bases which support at least one of the plurality of the light emitting devices, and a heat transfer prevention unit which prevents heat from being conducted between the plurality of the radiating bases, wherein distances between the adjacent light emitting devices are less than mean values of the length along the adjacent direction of the adjacent light emitting devices.

Abstract: A spacial light modulation device is composed of a photoconductive layer, a pixel electrode layer, a dielectric reflection layer, and a liquid crystal layer all laminated in sequence between first and second drive electrode layers. The pixel electrode layer includes a plurality of pixel electrodes partitioned by an insulating substance layer and arranged at predetermined intervals. In particular, to obtain higher contrast and higher resolution of the modulated and reflected light by the device, the surface area of each of the pixel electrodes formed on the photoconductive layer side is determined smaller than that formed on the dielectric reflection layer side. That is, in the pixel electrode layer, a plurality of square-shaped pixel electrodes are arranged into a matrix pattern at predetermined intervals. Each of the square-shaped pixel electrode is composed of a Schottky contact portion in contact with the photoconductive layer and a pixel composing portion in contact with the dielectric reflection layer.

Abstract: A spatial light modulator capable of displaying a good contrast and high resolution moving pictures without an after-image effect is disclosed. The modulator comprises a pair of transparent electrodes for generating an electric field therebetween and at least a photoconductive member and a photo modulation member being laminated and interposed between the transparent electrodes, the photoconductive member is a film having a thickness ranged from 10 .mu.m to 30 .mu.m and is made of hydrogenated amorphous silicon doped with boron such that an amount of the boron with respect to silicon in the hydrogenated amorphous silicon in atomic percent is, 0.1 to 1.0 ppm. To enhance the modulator performance, a thickness of the photoconductive member is so selected to have light absorptance ranged 70% to 95% at a wavelength of a writing light which writes information in the modulator.

Abstract: A spatial light modulator capable of providing high contrast ratio and resolution moving pictures without an after-image effect is disclosed. The spatial light modulator comprises a pair of transparent electrodes for forming a driving electric field therebetween, and at least one photo-modulation member and a photoconductive member laminated between the pair of transparent electrodes, where the photoconductive member comprises a hydrogenated amorphous silicon film having thickness of 10 .mu.m to 30 .mu.m, and is doped with boron as such that an amount of the boron in the hydrogenated amorphous silicon film in atomic ratio with respect to silicon therein is 0.1 ppm to 1 ppm.

Abstract: There is provided an optical image processor for forming a charge image according to a first optical image by photoelectric effect when illuminated with an electro-magnetic radiation beam for writing carrying the first optical image and forming, in accordance with the charge image, a second optical image correlating with the first optical image by light-modulation when illuminated with an electro-magnetic radiation beam for reading, in the presence of an electric field. The processor comprises a plurality of photoconductive segments two-dimensionally arranged with a space among the photoconductive segments for forming the charge image when illuminated with the electro-magnetic radiation beam for writing and a high resistive member provided in the space for preventing transfer of electric charges of the formed charge image among the photoconductive segments.

Abstract: A spatial light modulator providing an improved contrast, has a laminated structure of multiple layers including typically a photoconductive layer, an optical modulation layer, and a pair of electrode layers interposing the photoconductive and optical modulation layers. The thickness of at least one of the electrode layers having a predetermined relationship with a wavelength of light incident to the one of the electrode layers for writing or reading-out information into or from the spatial light modulator.

Abstract: A spatial-light modulator provided with a first electrode formed by a transparent member that receives irradiation of write light corresponding to an optical image in order to form a charge image; a second electrode formed by a transparent member to receive read light irradiated in order to read a formed charge image and to discharge output light equivalent to a read charge image; an optical modulation layer provided to the first electrode side of the second electrode and formed by polymer dispersed liquid crystal material in order to change the intensity distribution of the read light irradiated via the second electrode in accordance with an electrical field intensity distribution due to the charge image; a photoconductive member provided between the first electrode and the optical modulation layer, formed with two different materials of at least amorphous silicon carbide and amorphous silicon as the primary components, and formed in a plural number of layers and having a laminated structure having an optica