Abstract: The types and concentrations of multiple anodic electrochromic compounds are selected in such a manner that RGmax is 1.37 or less, in which RGmax is a maximum value among ratios between RGB signal ratios in the transmission state of an electrochromic device and in colored states of the anodic electrochromic compounds, the RGB signal ratios are obtained from TA(?) and the sensitivity of a photodetector, and TA(?) is a normalized variable transmittance obtained by a combination of absorptions of the anodic electrochromic compounds.

Abstract: A waveguide display includes a waveguide configured to transport display light visible to human eyes, a coupler formed on a broadside surface of the waveguide and configured to couple portions of the display light out of the waveguide at one or more regions of the waveguide, and a photovoltaic device at an edge of the waveguide, the photovoltaic device configured to convert at least a portion of the display light that reaches the edge of the waveguide into electrical power.

Abstract: A solid-state imaging apparatus includes a first substrate that includes a plurality of photoelectric conversion units, a second substrate that includes at least a part of a readout circuit configured to read signals based on electric charges of the plurality of photoelectric conversion units and a peripheral circuit including a control circuit, and a wiring structure that is disposed between the first substrate and the second substrate and includes a pad portion electrically connected to the peripheral circuit via a draw-out wiring and an insulating layer. The wiring structure has, at least at a part thereof, a seal ring disposed in such a way as to surround the photoelectric conversion units and the peripheral circuit.

Abstract: A directed energy system is provided and includes a housing defining an unobscured aperture for emitted electromagnetic (EM) radiation and a stiffening strut assembly installed at an outlet of the housing and through which the emitted EM radiation passes. The directed energy system and various elements such as the telescope and optical trains described herein are well suited for, but not limited to, high-energy (HE) laser applications.

Abstract: Systems and methods enabling location determination within an indoor environment. In an embodiment, a plurality of stationary nodes are arranged as a constellation within the indoor environment. Each of the plurality of stationary nodes may be configured to transmit a ranging signal, receive ranging signals transmitted by one or more neighboring ones of the plurality of stationary nodes, calculate an offset between the ranging signal that the stationary node transmits and the ranging signals received from the one or more neighboring stationary nodes, and include the offset in the ranging signal that the stationary node transmits.

Abstract: A system is provided that is configured to encode an image in accordance with a variable resolution image format. The variable resolution image format allows the specification of a number of windows in terms of their location and resolution. The image can be decomposed into a minimum number of square superpixels such that all specified windows are at the assigned resolution or better. By encoding one image where only critical portions are at the high resolution while less critical portions are at intermediate or lower resolutions, the number of bits that need to be transmitted from the system to a remote host subsystem can be dramatically reduced.

Abstract: A color filter array may include a plurality of color filters arranged two-dimensionally and configured to allow light of different wavelengths to pass therethrough. Each of the plurality of color filters includes at least one Mie resonance particle and a transparent dielectric surrounding the at least one Mie resonance particle.

Abstract: The embodiments of the present disclosure provide a detection substrate, a preparation method thereof and a flat panel detector. An orthographic projection of a first electrode on the base substrate is set to be at least partially overlapped with an orthographic projection of an active layer of a thin film transistor on the base substrate, a first protruding part is arranged on a side, close to a corresponding data line, of the first electrode, an orthographic projection of the first protruding part on the base substrate is located between the orthographic projection of the active layer on the base substrate and an orthographic projection of the data line on the base substrate.

Abstract: A photoelectric conversion device includes a photoelectric conversion unit, a light value holding unit that holds light values based on signal charges generated during a first exposure period and a second exposure period having at least one of start timing and end timing different from that of the first exposure period, a comparison unit that compares the light value based on the signal charge generated during the first exposure period with the light value based on the signal charge generated during the second exposure period, and a control unit that sets a third exposure period and a fourth exposure period having at least one of the start timing and end timing different from that of the third exposure period on the basis of a comparison result of the comparison unit. The third and fourth exposure periods are less than at least one of the first and second exposure periods.

Abstract: A method includes depositing a layer comprising a photoinitiator and a curable material onto a surface and applying a nanoimprint mold on the layer of curable material to form a mesh comprising intersecting walls defining cavities. After applying the nanoimprint mold, the mesh is illuminated with light causing decarboxylation of the photoinitiator to initiate curing of the curable material. After curing the curable material, the nanoimprint mold is removed and a wavelength converting material is deposited in the cavities to form an array of wavelength converting pixels.

Abstract: A device including an array of pixels and a filter wheel may capture a plurality of images by exposing the array of pixels. The device may spin, while capturing the plurality of images, the filter wheel, and the filter wheel may include filter segments. In some implementations, a portion of the filter wheel in front of the array of pixels includes two or more filter segments.

Abstract: According to one embodiment, a light detector includes a first semiconductor layer of a first conductivity type, a first region, a quenching part, a second region, and a first layer. The first region is located on a portion of the first semiconductor layer, includes a first-conductivity-type first semiconductor region that has a higher first-conductivity-type impurity concentration than the first semiconductor layer, and includes a second semiconductor region of a second conductivity type provided on the first semiconductor region. The quenching part is electrically connected to the second semiconductor region. The second region is located on another portion of the first semiconductor layer, includes a second-conductivity-type third semiconductor region, and includes a first-conductivity-type fourth semiconductor region provided on a portion of the third semiconductor region. The first layer is located on the second region and includes a resin that absorbs or reflects light.

Abstract: The present disclosure relates to an optical sensor protection system. The system may have a sensor for receiving an incoming optical signal, a passive sensing and modulation component, and an active sensing and modulation subsystem. The passive sensing and modulation component is configured to sense when a first characteristic is associated with the incoming optical signal is present that adversely affects operation of the sensor, and redirects at least a portion of the incoming optical signal thereof away from the sensor to thus reduce an intensity of the incoming optical signal reaching the sensor. The sensor is located on an image plane downstream of the ISM subsystem, relative to a path of travel of the incoming optical signal.

Abstract: A photodetector includes a substrate, a material layer, a first electrode made of a metal, a core, a second electrode and a light absorption layer made of graphene. The first electrode, the core, and the material layer constitute a hybrid plasmonic waveguide, and the light absorption layer is disposed thereon. Light guided in the hybrid plasmonic waveguide is absorbed by the light absorption layer, photoelectrically converted by the PTE effect, and extracted as an electric signal from the first electrode and the second electrode.

Abstract: A solid-state imaging apparatus includes a pixel array part in which a plurality of pixels are two-dimensionally arranged, in which each pixel has a first photoelectric conversion region formed above a semiconductor layer, a second photoelectric conversion region formed in the semiconductor layer, a first filter configured to transmit a light in a predetermined wavelength region corresponding to a color component, and a second filter having different transmission characteristics from the first filter, one photoelectric conversion region out of the first photoelectric conversion region and the second photoelectric conversion region photoelectrically converts a light in a visible light region, the other photoelectric conversion region photoelectrically converts a light in an infrared region, the first filter is formed above the first photoelectric conversion region, and the second filter has transmission characteristics of making wavelengths of lights in an infrared region absorbed in the other photoelectric co

Abstract: A method of determining and responding to an overcast sky condition during daylight hours in a solar tracker installation utilizing a single, fixed-position irradiance sensor associated with a set of solar tracker assemblies of the solar tracker installation and, if a series of irradiance levels communicated by the irradiance sensor to an array controller of a solar tracker control system of the installation indicates that an overcast sky condition has been present for a predetermined overcast sky duration period, the array controller transmitting control signals to a set of solar tracker controllers associated with the set of solar tracker assemblies to deviate from a normal solar tracking mode to an overcast sky mode by pivoting respective tables of the associated set of solar tracker assemblies to one or more predetermined overcast sky condition angles of inclination, and a solar tracker control system for implementing the foregoing method.

Abstract: A distance-measuring imaging device includes: a controller which repeatedly performs outputting of an emission signal instructing light emission and outputting of an exposure signal instructing exposure; a light source unit which performs light emission a plurality of times in accordance with the emission signal repeatedly outputted by the controller; and an imaging unit which includes a solid-state imaging element for performing exposure a plurality of times in accordance with the exposure signal repeatedly outputted by the controller and which generates an imaging signal through the exposure performed the plurality of times.

Abstract: This document describes systems and techniques directed at an external wide-angle lens for imagers in electronic devices. An imager is disclosed that includes an image sensor and a lens stack, the lens stack including an external wide-angle lens, an internal lens, and four or more intermediate lenses. The imager has a first ratio of a projection at a vertex of the external wide-angle lens divided by a maximum focused dimension of the focal area being less than or equal to 0.15, a second ratio of a total length of the lens stack divided by the maximum focused dimension being less than or equal to 7.0, or a third ratio of a total transmission length of the imager divided by an entrance pupil diameter of the external wide-angle lens being between 1.2 and 2.6.

Abstract: The problem to be solved of the present disclosure is to provide a detection apparatus that detects dropping of a droplet. The detection apparatus comprises an optical element array having three or more optical elements comprising a first light emitting element, a first light receiving element and a second light receiving element, wherein the first light emitting element, the first light receiving element and the second light receiving element are disposed within the optical element array so that a part of a light emitting region irradiated from the first light emitting element and a part of a light receiving region of the first light receiving element overlap and a part of a light emitting region irradiated from the first light emitting element and a part of a light receiving region of the second light receiving element overlap.

Abstract: The invention relates to a planar photodiode 1 including a detection portion 10 made of a germanium-based material M0, and a peripheral lateral portion 3 including several materials stacked on top of one another, including a material M1 having a coefficient of thermal expansion lower than that of the material M0, and a material M2 having a coefficient of thermal expansion higher than or equal to that of the material M0. The intermediate region 13 includes a portion P1 surrounded by the material M1 and having tensile stresses. It also includes a portion P2 surrounded by the material M2 and having compressive stresses. This portion P2 surrounds a n doped box 12.