One variation of a method for measuring ambient ultraviolet light radiation including: calculating a target direct orientation of a light exposure device based on a location, a current date and time, and a direct solar position model; calculating a target diffuse orientation of the light exposure device based on the location, the current date and time, and a diffuse solar position model; in response to detecting alignment between orientation of the light exposure device and the target direct orientation, recording a direct ultraviolet value; in response to detecting alignment between orientation of the light exposure device and the target diffuse orientation, recording a diffuse ultraviolet value; in response to detecting alignment between orientation of the light exposure device and a target global orientation, recording a global ultraviolet value; and calculating an ultraviolet index based on the global ultraviolet value, the direct ultraviolet value, and the diffuse ultraviolet value.

A vehicle detector assembly for detecting solar radiation may include a housing, a fixed plate fixed to an upper surface of the housing in a flat form, a plurality of photo detectors bonded to a surface of the fixed plate, each being connected to a lead having a uniform one-directional inclination structure, and a detector cap fastened to the housing and transmitting sunlight.

Provided is an anti-glare film excellent in anti-glare properties and capable of suppressing reflected scattered light.

An anti-glare film including an anti-glare layer, the anti-glare film having an uneven surface, wherein for amplitude spectrum of elevation of the uneven surface, when a sum of amplitudes corresponding to spatial frequencies of 0.005 m.sup.1, 0.010 m.sup.1, and 0.015 m.sup.1 is defined as AM1 and an amplitude at a spatial frequency of 0.300 m.sup.1 is defined as AM2, AM1 is 0.070 m or more and 0.400 m or less, AM2 is 0.0050 m or more, and AM2<AM1.

An optical sensing module including a lens and a sensing device is provided. The lens has an optical axis. The sensing device is disposed under the lens, wherein the sensing device is to receive an object beam passing the lens. The optical axis of the lens deviates from a geometric center of the sensing device. An optical sensing module including a prism film, a sensing device and a lens is further provided. The prism film has a plurality of prisms. The sensing device is disposed under the prism film, wherein the sensing device is to receive an object beam sequentially passing the prism film and the lens. The lens is disposed between the prism film and the sensing device.

A vehicle interior light intensity mapping system comprises at least one light detector configured to identify an intensity of light distributed in a plurality of regions in the vehicle. The light detector comprises an optic device comprising at least one aperture configured to receive light from a plurality of directions distributed in a passenger compartment of a vehicle. The light detector further comprises at least one sensor configured to receive the light from the plurality of directions. A controller is configured to identify an intensity of the light in each of a plurality of regions of the vehicle, wherein each of the regions corresponds to a different direction of the light received through each of the plurality of apertures of the optic device.

Certain aspects pertain to a combination sensor comprising a set of physical sensors facing different directions proximate a structure, and configured to measure solar radiation in different directions. The combination sensor also comprises a virtual facade-aligned sensor configured to determine a combi-sensor value at a facade of the structure based on solar radiation readings from the set of physical sensors.

One variation of a method for measuring ambient ultraviolet light radiation including: calculating a target direct orientation of a light exposure device based on a location, a current date and time, and a direct solar position model; calculating a target diffuse orientation of the light exposure device based on the location, the current date and time, and a diffuse solar position model; in response to detecting alignment between orientation of the light exposure device and the target direct orientation, recording a direct ultraviolet value; in response to detecting alignment between orientation of the light exposure device and the target diffuse orientation, recording a diffuse ultraviolet value; in response to detecting alignment between orientation of the light exposure device and a target global orientation, recording a global ultraviolet value; and calculating an ultraviolet index based on the global ultraviolet value, the direct ultraviolet value, and the diffuse ultraviolet value.

Certain aspects pertain to a combination sensor comprising a set of physical sensors facing different directions proximate a structure, and configured to measure solar radiation in different directions. The combination sensor also comprises a virtual facade-aligned sensor configured to determine a combi-sensor value at a facade of the structure based on solar radiation readings from the set of physical sensors.

A wearable device for measuring the light conditions of a subject includes a light sensor for measuring said light conditions, and a light guide for collecting incoming light and directing it to said light sensor. A software application is also provided executable on a remote device and configured for receiving data from the wearable device via a receiver on the remote device, processing the data by means of the remote device to provide data representing the light exposure of the subject wearing the wearable device, and displaying at least a part of the data on a screen of the remote device.

A method for discovering the topology of a connected lighting system. The method comprises: receiving a first measurement of a first light source in relation to a first sensor; receiving a second measurement of the first light source in relation to a second sensor; generating a first estimate of the position of the first light source, based on a first angle at the first sensor between (i) a first direction toward a current light source position and (ii) a second direction defined by the first measurement; generating a second estimate of the position of the first light source, based on a second angle at the second sensor between (i) a third direction toward the current light source position and (ii) a fourth direction defined by the second measurement; and generating an updated light source position of the first light source based on the first and second estimates.