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Patent Searching and Data


Matches 351 - 400 out of 2,081

Document Document Title
WO/1986/001611A1
A solar lighting apparatus (22) for illuminating the interior of roofed building (28) while simultaneously generating electrical power from one or more photovoltaic panels (122, 124) secured to the reflector apparatus (58) for rotation t...  
WO/1980/002712A1
Plant for the automatic control of the direct incident solar flux, comprised of transparent walls (2, 3) and opaque elements (7, 8). The control is achieved by the reflecting effect depending on the incidence angle of the solar beams. Th...  
WO/1979/000018A1
A high efficiency radiation concentrating system for reflecting incident rays from a displaceable source (S) to a fixedly positioned focus (F) utilizing a simple universal displacement mechanism (22). The universal displacement mechanism...  
JP2024030105A
An object of the present invention is to provide a light duct device that can be installed in each dwelling unit during or after construction of a building. A light duct device 20 includes a lighting section 21, a light guiding section 2...  
JP2024027729A
An object of the present invention is to provide a lighting device that suppresses natural light from a light shelf near an opening and increases natural light that enters into the back of a building. [Solution] A daylighting device 10 i...  
JP2024027421A
The present invention provides a compact light condensing device that can be installed with a high degree of freedom. A light condensing device includes a cylindrical reflector 1. The reflector 1 includes a light guide window 19 provided...  
JP7435789B2
The purpose of the present invention is to eliminate the necessity for a wavelength filter or power-supply-driven light source unit having a specific wavelength when using sunlight. The present invention relates to an optical fiber in ...  
JP7413632B2
To obtain a sunlight environment desired by people in a building.A dimming control mechanism 100 includes a window 22 provided in an opening for collecting sunlight P in a room 16, a camera 36 installed in a building 10 that captures a p...  
JP2023184218A
An object of the present invention is to provide a light shelf device that can efficiently utilize sunlight in an indoor space. A light shelf device LS1 includes a mounting part 20 and a light shelf 30. The light shelf 30 has a planar re...  
JP2023169123A
To provide a light condensing sheet for efficiently condensing light such as natural light and electric light without requiring a power source of a dedicated light source.A light condensing sheet includes: a sheet-like sheet body portion...  
JP2023152868A
To provide a projection device having a space rendering effect.A projection device comprises a light source body 1, a reflection body 2, and projection bodies 3, 4. The light source body 1 is movable. The reflection body 2 has a large nu...  
JP2023130531A
To provide a window lighting device capable of saving power by using sunlight.A window lighting device of the present invention has a light source, a light guide unit, and a power source that supplies power to the light source. The light...  
JP7334390B2
To provide a solar radiation adjusting device that can adjust the indoor illuminance throughout the year.A solar radiation adjusting device 20 includes: rotating shafts 22; a holding mechanism 30 that rotatably holds the rotating shafts ...  
JP7330840B2
To provide a light guide duct which radiates light with light quantity of light radiated in a room from a light guide duct more uniformly along a light guide direction of a duct body part, and which can reduce a local glare feeling.A lig...  
JP2023114209A
To provide a light quantity adjusting system which can adjust light quantity.A light quantity adjustment system 1 according to the present invention includes a light quantity adjusting unit 2 for adjusting a light quantity to a room by o...  
JP7281057B2
This natural lighting device (100) comprises an optical component (1). The optical component (1) has a plate-form shape, and is such that a lens surface of a cylindrical concave lens is formed on one surface and a flat-surface shape is f...  
JP2023058052A
To simplify a structure and improve the functionality.In a sunlight illumination system including a light collecting device S which collects sunlight from the outside of a building and a light emitting device which emits the light collec...  
JP7251316B2
A vehicle light-adjusting system capable of adjusting the brightness in a vehicle interior day and night and appropriately performing light-adjustment for each of occupants. The vehicle light-adjusting system includes an incident portion...  
JP7213946B2
It is intended to enable switching between a lighting function and a window function, and provide both reproducibility of the sky in using the lighting function and visibility of an opposite space or translucency in using the window func...  
JP2023004054A
To provide an environmental control system and the like that can further appropriately maintain or improve a user's concentration level.An environmental control system 500 includes a lighting device 100 that adjusts the amount of externa...  
JP7190371B2
To get a higher quality lighting feeling.Each of buildings (apartment housing 1) has first and second sections R1 and R2, each of which is defined by a wall W and adjacent to each other in the lateral direction via a lightable space 4, a...  
JP2022548670A
The present invention relates to an illumination system comprising a light area and sidewalls around the light area defining a recess. A light area is located at the bottom of the recess and a light exit window is located downstream at t...  
JP7142780B2
The lighting device 100 is provided with a first prism section 1 extending in a direction away from an installation surface. The first prism section 1 has at least one prism 1a3 projecting in a direction intersecting with the vertical di...  
JP2022131970A
To provide a foldable light duct structure that reduces transportation costs, and prevents performance deterioration by preventing light reflection surfaces from any contact and deformation in a folded state.A light duct 1 in a square tu...  
JP7114848B2
To attain improvement/enhancement of a life environment in winter, namely, to attain new effective utilization of sunlight in winter at a low elevation angle by supporting processing such as heating, snow melting and dew condensation pre...  
JP7080765B2
To provide a daylighting device that can efficiently take sunlight into a desired outdoor daylighting object part.A daylighting device includes: first reflection means 1 installed to a first installation part outdoors to reflect sunlight...  
JP2022527376A
A device for collecting and inducing electromagnetic radiation will be described. Electromagnetic radiation collection and guidance devices facilitate the guidance of light from the outside of the structure to the inside of the structure...  
JP2022082110A
To provide a daylighting device which reflects light entering from an opening effectively to light an internal space leading to the opening extensively and effectively.A daylighting device includes: a first reflection board 10 which tran...  
JP7063130B2
To provide a luminaire which is advantageous to make both a ceiling surface and a blind surface bright.A luminaire includes a slat 2. The slat 2 includes: a slat body 7 having a hollow part 8; and a light source part 9 arranged in the ho...  
JP7057570B2
To set internal arrival light of incident sunlight in other seasons than winter, especially in summer to a pseudo-winter state, and to reduce variation of the internal arrival light over a year.In a sunlight incidence structure which has...  
JP7043491B2
A light deflecting device including a flat, transparent light guide, and a transparent cover layer which is applied to the light guide at least partially in a flat manner. A microstructure for outcoupling light coupled into the light gui...  
JP7029545B2
A lighting device includes a lighting film including a prism layer that emits incident light in a prescribed direction, and a rigid body that includes a receiving unit having a prescribed cross-sectional rigidity and supporting the light...  
JP7009304B2
A ceiling illumination window is provided with a transparent prism, and a reflecting member provided on a second edge of the transparent prism. Further, the transparent prism is installed in such a way as to enable light incident thereon...  
JP6976557B2
This wave direction conversion device has a reflecting means that includes a first main reflecting part configured from at least a portion of a first spheroidal surface, a second main reflecting part configured from at least a portion of...  
JP6970625B2
To provide an electric blind control system and control method, capable of reducing limitation of an installation position of equipment in a room while preventing reduction in control accuracy for an electric blind.A control system for a...  
JP2021158021A
To provide a light guide duct capable of emitting light taken in by lighting to indoors from a horizontal direction at low cost, without being restricted by a utilization space indoors.A light guide duct 1 includes: a lighting window 20 ...  
JP6924514B2
A light source (25) for emitting collimated light (29) in particular for a large area luminaire (21) comprises a light guide unit (43) for guiding light by total internal reflection. The light guide unit comprises a plurality of localize...  
JP2021113932A
To improve the diffusibility of a columnar light diffusion member itself and to facilitate and diversify the design of a light diffusion device using the columnar light diffusion member and the arrangement of the columnar light diffusion...  
JPWO2019225498A1
Provided is a daylighting device capable of preventing warping, bending, and deformation of a daylighting film due to changes in the surrounding thermal environment. The daylighting device has a rectangular daylighting film having a firs...  
JP6903498B2
To provide a daylighting device which maintains a light guide amount indoors at equal to or greater than a certain amount without depending on solar altitude, and which can prevent glare caused by reflection light.A daylighting device re...  
JP6890951B2
To provide a building capable of achieving excellent energy saving property and highly-efficient energy creation while securing a view from an indoor side and securing more installation spaces of a solar panel.A building includes an eave...  
JP2021089838A
To exert an attention attracting function to occupants of other vehicles or pedestrians without disturbing driving or walking.A vehicular drawing system includes a light collecting device 2 collecting solar light, an optical fiber 3 lead...  
JP6865118B2
To provide a daylighting device capable of realizing a natural light environment by leveling lightness on a ceiling plane.The present invention relates to a daylighting device 1 which reflects sunlight S and irradiates a ceiling plane 3b...  
JP2021056425A
To provide an information processing device which facilitates checking of content projected by a projector by controlling opening and closing of a light-shielding unit, and to provide a control method therefor and a program.A control sys...  
JP2021057099A
To provide a daylighting device capable of suppressing the glare outside a room.A daylighting device comprises a daylighting member which guides incident light into a room, and an optical member provided on an incidence side of the dayli...  
JP2021057132A
To provide a light collection structure capable of taking sunlight into a room with a light shelf to increase illuminance in the room, and capable of suppressing the reverberation of sound in the room.A light collection structure 10 comp...  
JP2021050571A
To provide a natural lighting structure of a room capable of taking natural lighting into the room in a simple structure even when an opening effective for taking natural lighting cannot be formed at an outer wall body facing the room.In...  
JPWO2019167832A1
Provide a daylighting eaves that allows outside light to enter the interior of a building. The daylighting eaves of the present invention are installed on the outer wall of a building having a window and take in outside light inside the ...  
JP6841489B2
To provide a visible light communication system using an optical duct.According to the present invention, a visible light communication system using an optical duct introduces natural light into the inside of a building. The visible ligh...  
JP6836110B2
To provide a lighting control system capable of preventing a flicker when observing external light through the lighting control film, and also to provide a vehicle and a driving method of the lighting control film.A lighting control syst...  

Matches 351 - 400 out of 2,081