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139
results.
Updated on
08/11/2025 [07:11:00]
Results 75 to 100 of 139
Absstract of: WO2025224191A1
The invention relates to a device and to a method for operating a photovoltaic system (1000). The method comprises at least the following steps: detecting (S10) a current value in the photovoltaic system (1000); calculating (S20) an estimated value for an electrical power of a possible arc (1) in the photovoltaic system (1000) using a model, wherein the detected current value is used as an input variable of the model; adapting (S30) a maximum detection time duration (Tmax, Tmax,2) on the basis of the calculated estimated value for the electrical power; detecting (S40) a warning state (W) which indicates a possible occurrence of an arc (1) in the photovoltaic system (1000); continuously measuring (S50) a time duration (td) of the detected warning state (W); triggering (S70) a safety procedure when the continuously measured time duration (td) of the detected warning state (W) reaches the maximum detection time duration (Tmax, Tmax,2); and resetting (S80) the measuring (S50) of the time duration (td) of the detected warning state (W) when the detected warning state (W) comes to an end.
Absstract of: WO2025223901A1
The invention relates to a surface fastening device (10) for fastening a fastening device (44), preferably for fastening at least one solar or photovoltaic module (46), to an inclined or vertical surface (42), having a clamping unit (12) for clamping the fastening device (44) and a height adjustment device (30) for adjusting the height position of the fastening device (44).
Absstract of: WO2025222906A1
Disclosed in the present invention is an ecological photovoltaic-based desertification control device, comprising a bottom photovoltaic support, an intermediate collecting frame, and an upper photovoltaic module. The intermediate collecting frame is correspondingly mounted on the bottom photovoltaic support, so that the intermediate collecting frame is arranged in an inclined direction, the upper photovoltaic module is correspondingly mounted on the intermediate collecting frame by means of supporting rods, and the inclination angle of the upper photovoltaic module is consistent with that of the intermediate collecting frame; and the size of the intermediate collecting frame is larger than that of the upper photovoltaic module locate above same, so that a rain falling gap is formed around the outer side of the upper photovoltaic module, and rainwater flowing down from the upper photovoltaic module falls into the intermediate collecting frame from the rain falling gap and is used for ecological desertification control. In the present invention, rainwater can be received in a large range, the water storage amount is large, and rainwater can be efficiently collected; and a flippable filter screen is provided, so that debris and dust and the like in rainwater can be filtered out, and the flippable filter screen can flip, so that whether impurities on the flippable filter screen or impurities in the intermediate collecting frame, etc. can be conveniently removed.
Absstract of: WO2025222863A1
A solar photovoltaic panel assembly, a vehicle and an electric device. The solar photovoltaic panel assembly comprises: a supporting frame, a main photovoltaic panel and an auxiliary photovoltaic panel, wherein the supporting frame is a split-type frame, and comprises a first frame and a second frame, which are arranged opposite each other; the main photovoltaic panel is located between the first frame and the second frame, and the first frame is connected to the second frame by means of the main photovoltaic panel; and the auxiliary photovoltaic panel is located between the first frame and the second frame, and the auxiliary photovoltaic panel can slide along the first frame and/or the second frame to a storage position where the overlapping area thereof with the main photovoltaic panel in the direction of thickness is the largest, and an unfolded position where the auxiliary photovoltaic panel slides outwards relative to the main photovoltaic panel.
Absstract of: WO2025222702A1
A photovoltaic system and an arc fault detection method therefor, relating to the technical field of photovoltaics. The arc fault detection method of the photovoltaic system comprises: acquiring a current operation point of the photovoltaic system, and determining an operation area to which the current operation point belongs, wherein a full operation point range of the photovoltaic system is divided into at least two operation areas, at least some of the operation areas have corresponding arc fault detection models, and the confidence levels of arc fault detection results corresponding to different operation areas are different (S110); determining a target operation point on the basis of the current operation point and the operation area to which the current operation point belongs, wherein the confidence level of an arc fault detection result of an operation area to which the target operation point belongs is higher than or equal to that of the operation area to which the current operation point belongs (S120); and testing the target operation point on the basis of an arc fault detection model corresponding to the operation area to which the target operation point belongs, so as to determine whether an arc fault occurs in the photovoltaic system (S130).
Absstract of: WO2025222248A1
A power beaming system comprising a power transmitter configured to generate an outgoing optical beam, wherein the outgoing optical beam include a safety beam comprising light at a first wavelength, and a power beam comprising light at a second wavelength; and a transmitter controller configured to control operation of the power transmitter to control generation of the safety beam and generation of the power beam, such as to direct the outgoing optical beam towards a power receiver; implement one or more operational subsystems and a safety subsystem, wherein the one or more operational subsystem is interfaced with the safety subsystem; and wherein the safety subsystem is configured to monitor the one or more operational outputs of the one or more operational subsystems; and control operation of the power beam such that the power beam is disabled when the current operational status is determined to include at least one blocking status.
Absstract of: WO2025222245A1
Embodiments of the present disclosure may include a power beaming system including: a power transmitter configured to transmit an optical beam, the optical beam including a first constituent beam having radius R1 and a second constituent beam having radius R2, the power transmitter including a photodetector having a photodetection resolution corresponding to an obstacle intrusion into the first constituent beam by intrusion distance P; a power receiver movable at a maximum speed S relative to an intruding obstacle or the power transmitter, and configured to return at least a portion of the first constituent beam to the power transmitter for receipt by the photodetector and receive the second constituent optical beam for optical-to-electrical power conversion; and one or more processors configured to influence operation of the system based on the return light detected at the power transmitter within an allowed or allowable duration based on (R1-R2-P)/S.
Absstract of: WO2025222244A1
Embodiments of the present disclosure may include a power beaming system for power beaming, the system including a power transmitter configured to transmit light at a first wavelength and a second wavelength. Embodiments may also include a power receiver including one or more retroreflectors, configured to retroreflect the transmitted light at the first wavelength back to the power transmitter, and set to pass through or avoid the transmitted light at the second wavelength for optical-to-electrical power conversion. Embodiments may also include one or more processors configured to influence operation of the power transmitter based on any retroreflected light at the first wavelength received at the power transmitter.
Absstract of: WO2025222243A1
Embodiments of the present disclosure may include a power beaming system including: a power transmitter configured to transmit an optical beam, the optical beam including a first constituent beam at a first wavelength and a second constituent beam at a second wavelength, distinct from the first wavelength, the power transmitter including a photodetector assembly configured to provide a measure of return optical power; a power receiver configured to return at least part of the first constituent beam to the photodetector assembly at the power transmitter and receive the second constituent beam for optical-to-electrical power conversion; and one or more processors configured to influence operation of the system based on changes in return optical power and a determination of whether, based on the measure of the return optical power, the changes in optical power are indicative of defined events such as obstacle intrusion, beam misalignment, or both.
Absstract of: US2025338655A1
An imaging element includes a photoelectric conversion unit including a first electrode 11, a photoelectric conversion layer 13, and a second electrode 12 that are stacked, in which the photoelectric conversion unit further includes a charge storage electrode 14 arranged apart from the first electrode 11 and arranged to face the photoelectric conversion layer 13 through an insulating layer 82, and when photoelectric conversion occurs in the photoelectric conversion layer 13 after light enters the photoelectric conversion layer 13, an absolute value of a potential applied to a part 13C of the photoelectric conversion layer 13 facing the charge storage electrode 14 is a value larger than an absolute value of a potential applied to a region 13B of the photoelectric conversion layer 13 positioned between the imaging element and an adjacent imaging element.
Absstract of: US2025338638A1
Embodiments of the present disclosure relate to the technical field of photovoltaics, and provide a photovoltaic module and a method for manufacturing the same. The photovoltaic module includes: at least two cell strings spaced apart from one another in a first direction; solder ribbon structures, where a respective solder ribbon structure of the solder ribbon structures is disposed on a corresponding cell of the at least two cells of a corresponding cell string of the at least two cell strings; and intermediate interconnection structures, where a respective intermediate interconnection structure of the intermediate interconnection structures is electrically connected with a respective pair of adjacent cell strings of the at least two cell strings.
Absstract of: US2025338735A1
A flexible display device may include a cover glass, a light shielding pattern on a lower surface of the cover glass, a display panel under the cover glass and including a display area and a non-display area including a bending area, a plurality of touch sensors disposed at a position corresponding to the display area of the display panel below the cover glass, an adhesive layer between the cover glass and the display panel, a micro coating layer on an upper surface of the display panel in the bending area; and a thin film transistor disposed in the display panel in the display area and including an oxide semiconductor.
Absstract of: US2025337272A1
An energy management system comprising a photovoltaic system (1) having at least one photovoltaic array (2) adapted to generate electrical DC power converted by an inverter (4) of said photovoltaic system (1) into AC power,Wherein in a normal operation mode of the photovoltaic system (1) an energy flow within said photovoltaic system (1) is controlled according to control values received as setpoints via an Internet connection (15) from a remote energy management scheme run by a remote server (14),Wherein if a communication failure with the remote server (14) is detected a fallback operation mode of the photovoltaic system (1) is initiated where the energy flow within said photovoltaic system (1) is controlled according to local control values provided as setpoints by a local energy management scheme.
Absstract of: US2025338636A1
A semitransparent photovoltaic module includes a submodule with a first glass layer, a transparent conducting oxide layer, a semiconductor layer, and a metal back contact layer. The submodule further includes a plurality of interconnection scribes extending in a first direction across the submodule and a plurality of light transmission scribes disposed perpendicularly to the plurality of interconnection scribes in a second direction. The module may further include a lamination layer and a second glass layer and have a visible light transmission of about 7% to about 70% and is capable of generating about 60 W to about 120 W of power. In one embodiment, the light transmission scribes are about 0.05 mm to about 1 mm wide, with a pitch of about 1 mm to about 5 mm.
Absstract of: US2025338705A1
A bifacial perovskite photovoltaic module includes two back-stacked independent all-printed carbon-based perovskite solar sub-modules and a sealant. The sub-modules include a plurality of solar stripes; a surface conductive substrate; an active layer; a hole-transport-layer; and a carbon electrode.
Absstract of: US2025338671A1
A solar cell device having a solid state light absorber region that incorporates a donor-acceptor particle structure. The particle structure includes acceptor particles that generate a flow of electrons in the solid state light absorber region in response to absorbed photons; and donor particles comprising a phosphorescent material, wherein each donor particle is coupled to a group of acceptor particles, and wherein the phosphorescent material absorbs high energy photons and emits lower energy photons that are absorbed by the acceptor particles.
Absstract of: US2025338672A1
A solar cell includes a solar cell body, a plurality of fingers, and a plurality of first interconnection structures. At least a part of regions of different first interconnection structures distributed at intervals along a second direction are collinear with a same connection line of a plurality of connection lines. A quantity of connection lines located on the same target surface is N1, a quantity of first interconnection structures intersecting with a target line segment located on the target surface is N2, and N2<1⁄2N1. The target line segment is a connection line segment between a midpoint of an edge that has a larger length in two edges of the target surface extending along a first direction and being arranged opposite to each other and a vertex-angle endpoint corresponding to an edge that has a smaller length in the two edges.
Absstract of: US2025338704A1
A perovskite photodiode includes a first electrode and a second electrode, a perovskite photoelectric conversion layer between the first electrode and the second electrode and including a Pb-free perovskite represented by Chemical Formula 1, and an auxiliary layer between the first electrode and the perovskite photoelectric conversion layer and including an organic compound represented by Chemical Formula 2.
Absstract of: US2025338665A1
An A/M/X crystalline material, a photovoltaic device, and preparation methods thereof are provided. The photovoltaic device includes a photoactive crystalline material layer. The photoactive crystalline material layer includes a penetrating crystal, where the penetrating crystal is a crystal penetrating through the photoactive crystalline material layer, and a percentage p of a quantity of penetrating crystals in a total quantity of crystals of the photoactive crystalline material layer is ≥80%. The photoactive crystalline material layer includes a backlight side and a backlight crystal, where the backlight crystal is a crystal exposed to the backlight side and has a backlight crystal face exposed to the backlight side. At least one region of the backlight side has an average flatness index Ravg being ≤75.
Absstract of: US2025338669A1
An image sensor device includes nanostructures for improving light absorption efficiency. The image sensor device includes a substrate doped with a first dopant of a first conductivity type, and a light absorption region over the substrate. The light absorption region is doped with a second dopant of a second conductivity type. The second conductivity type is different from the first conductivity type. The nanostructures overlap the light absorption region. One of the nanostructures has a bottom surface at a different level than a top surface of the light absorption region.
Absstract of: US2025338370A1
Novel phosphorescent heteroleptic iridium complexes with phenylpyridine and dibenzo-containing ligands are provided. Alkyl substitution at specific positions on the ligands gives rise to compounds with improved OLED properties, including saturated green emission.
Absstract of: US2025337355A1
A system for exergy generation. According to an embodiment of the present disclosure, there is provided a system, including: a first energy input; a heat output, configured to deliver a portion of an energy flow received at the first energy input; a heat flow regulator, for controlling a rate of heat flow through the heat output; a first sensor; and a controller, the controller being configured to: receive a measurement from the first sensor, and control the heat flow regulator to cause heat to flow at a first heat flow rate through the heat output, the system producing a greater outflow rate of exergy at the first heat flow rate than at a second heat flow rate different from the first heat flow rate.
Absstract of: US2025337356A1
A performance evaluation device for solar cell elements of an embodiment includes an evaluation unit and a preparation unit. The evaluation unit includes a first light source which irradiates each of solar cell elements containing a perovskite semiconductor with light, and evaluates a power generation performance of the solar cell element. The preparation unit includes a second light source which irradiates the solar cell elements with light before the solar cell elements are transported to the evaluation unit, and prepares for evaluation of power generation performances of the solar cell elements.
Absstract of: US2025337353A1
The invention comprises embodiments of structural supports for solar panels installed within solar arrays. Some of the embodiments include a combination of cable and truss supports, and others include truss supports rigidly mounted to columns. Other embodiments include single axis tracker devices for mounting solar panels within a solar array of an installation. The devices can be roller mounted for selective horizontal displacement of the mounted solar panels at any desired location within the installation. The density or number of devices can also be adjusted within the installation to provide precise control of sunlight or shade for underlying vegetation.
Nº publicación: US2025337354A1 30/10/2025
Applicant:
FOODPORT CO LTD [KR]
FOODPORT CO., LTD
Absstract of: US2025337354A1
A solar power generator for forming a uniform focal region is proposed. The proposed relates to a solar power generator for forming a uniform focal region and, more particularly, to a solar power generator for forming a uniform focal region and, the solar power generator being capable of forming the uniform focal region in a specific area with an infinite number of focuses by reflected sunlight, controlling the focal region by adjusting an angle and width according to position changes of the focal region due to optical path distortion, and controlling generated power according to purpose of use.
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