Abstract:
According to embodiments of the present invention, a lighting apparatus is provided. The lighting apparatus includes a light guiding arrangement, a light collection arrangement adapted to collect sunlight, the light guiding arrangement being optically coupled to the light collection arrangement to receive at least a portion of the sunlight collected for propagation through the light guiding arrangement, and a light source arrangement configured to generate an illumination light, the light guiding arrangement being optically coupled to the light source arrangement to receive at least a portion of the illumination light for propagation through the light guiding arrangement. According to further embodiments of the present invention, methods of forming a lighting apparatus are also provided.
Abstract:
A lamp system is provided, comprising a lamp with a lamp housing accommodating a plurality of light sources for emission of visible light, including blue light, a time keeping unit, a light sensor for sensing intensity of light incident upon it, and a light controller configured for controlling the plurality of light sources in response to the intensity of light sensed by the light sensor and the time provided by the time keeping unit, characterized in that the lamp emits blue light for a selected time period, wherein the blue light has a luminous flux ranging from 50 lux to 200 lux and, preferably, an irradiance that is larger than 5 mW/nm/m 2 in a selected wavelength range, such as in the wavelength range from 440 nm to 500 nm, as measured at a distance of 3 metres from the lamp.
Abstract translation:提供了一种灯系统,包括灯,其具有容纳用于发射可见光的多个光源的灯壳体,包括蓝光,时间保持单元,用于感测入射到其上的光的强度的光传感器;以及光控制器 被配置为响应于由光传感器感测的光的强度和由时间保持单元提供的时间来控制多个光源,其特征在于,所述灯在选定的时间段内发出蓝光,其中所述蓝光具有 光通量范围从50勒克司到200勒克司,并且优选地,在选定的波长范围内,例如在440nm至500nm的波长范围内大于5mW / nm / m 2的辐照度, 距离灯3米。
Abstract:
The present invention relates to a lighting fixture for supporting and/or influencing natural light, comprising: a polygonal supporting structure having a light- transmissible interior; a substantially polygonal light source, which is held by the polygonal supporting structure and is composed, for example, of an LED-based technology; detection means, which are held by the supporting structure, for natural light which is present; and regulating means, which are held by the supporting structure and are connected to the detection means, for regulating the working of the substantially polygonal light source, and wherein the supporting structure, on a top side, is provided with coupling means for suspension of the fixture.
Abstract:
A lighting system has a recessed panel (light source or window) and a side wall or a set of side walls around the recess. The side wall (or at least one of the side walls), is provided with a lighting arrangement for controlling the color of illumination and/or shape from which light is emitted from the side wall or side walls. This can be used to replicate the sharp lighting boundaries that arise on the recess walls from sun illumination through a skylight, or else they can be used to provide general illumination around a window.
Abstract:
According to an aspect, a light guiding assembly (1) with a tubular member (2) for guiding light is provided. The light guiding assembly comprises a first layer (51, 61) having a first optical characteristic, the first layer being arranged on an inner wall (5) of the tubular member, and a second layer (52, 62) having a second optical characteristic, the second layer being adjustable at least with respect to the second optical characteristic and with respect to the extent of light allowed to be transmitted through the second layer. The second layer is coupled to a side of the first layer facing away from the inner wall. One of the first and second optical characteristics effects changing of the color of light guided in the tubular member, and the other one of the first and second optical characteristics effects reflection of light guided in the tubular member. Accordingly, the color of daylight guided through the tubular member can be tuned.
Abstract:
The present invention provides a passive solar lighting system, which is designed to produce a balanced flux throughout the day, by effecting increased sunlight collection in the earlier and later hours of the day when solar radiation is scarce, while compromising performance during midday when solar radiation is abundant.
Abstract:
A natural light emulation system employs at least one lighting assembly for providing light simulating natural light. The lighting assembly has several light engines around a light well. The light engines each have a number of light sources capable of providing light to the light well. A controller calculates lighting parameters for natural light received at a location on earth, at a day of the year and time of day. The controller then selectively operates light sources to provide light of a calculated spectrum and intensity that simulates light of a given direction. A master controller may be employed to control a group of lighting assemblies, or to control several different groups which may be simulating natural light relating to different locations, time of day or day of the year parameters.
Abstract:
One or more embodiments include a light module having a reflective light source having one or more organic light emitting diode (OLED) elements. The reflective light source reflects light from other light sources and/or emits light when powered. The reflective light source includes control circuitry which senses the amount of light reflected or emitted and powers the light source based on an intensity of the sensed reflected or emitted light. In one embodiment, the reflective light source is used with a primary light source in the light module which may be in the form of a flourescent light, direct sunlight, or diffuse daylight. The reflective light source reflects portions of light from the primary light source while the control circuitry senses an interruption or decrease in the power supplied to the primary light source and powers the secondary light source from an uninterruptible power source such as a battery.
Abstract:
Described herein are ambient lighting devices, methods, and systems that utilize at least one multimode artificial ambient light source, a control unit, and a remote image sensor. The control unit couples to at least one artificial ambient light source and is configured to output at least one control signal to the at least one artificial ambient light source. The at least one multimode artificial ambient light source is configured to output light of varying color and color temperature in response to said at least one control signal. The remote image sensor couples to the at least one control unit and is configured to detect at least one color and intensity characteristic and output an output signal to the at least one control unit, based on said color and intensity characteristic detected.