To provide a coating material capable of forming a solar cell module excellent in the weather resistance, the power generation efficiency and the design, a cover glass, a solar cell module comprising the cover glass, and an outer wall material for building. The cover glass of the present invention is a cover glass comprising a glass plate and a layer containing a fluorinated polymer having units based on a fluoroolefin, on at least one surface of the glass plate, which has an average visible reflectance of from 10 to 100%, and an average near infrared transmittance of from 20 to 100%.

A photovoltaic cell includes a front layer, a rear layer, and an absorber layer between the front layer and the rear layer. The front layer, the rear layer, or both includes a multiplicity of nanostructures having dimensions in a range of about 1 nm to about 1000 nm.

The present invention relates to a method of making a light converting optical system. The method involves providing a first optical layer having a microstructured front surface comprising an array of linear grooves that reflect first light rays using total internal reflection and deflect second light rays using refraction. A thin sheet of reflective light scattering material is positioned parallel to the first optical layer. A second optical layer is provided with a microstructured front surface. A continuous photoabsorptive film layer comprising a light converting semiconductor material is positioned between the first optical layer and the reflective material, with a thickness less than the minimum thickness required for absorbing all light traversing through the film layer. The method further involves providing a light source and positioning the second optical layer on the light path between the light source and the photoabsorptive film layer.

A display device and a method of manufacturing the display device are provided. The display device includes a substrate including a transmissive display area including a first pixel area, a second pixel area, and an opening area between the first pixel area and the second pixel area and defining a substrate opening portion, a light-emitting element layer above the substrate and including a first light-emitting element in the first pixel area and a second light-emitting element in the second pixel area, and a first inorganic encapsulation layer above the light-emitting element layer and extending from the first pixel area to the second pixel area across the substrate opening portion.

The present invention relates to three dimensional photovoltaic structures and a power generation apparatus comprising same. The photovoltaic structure comprises a light transmitting solid optical core having a longitudinal axis, a top end, a bottom end and one or more side walls, wherein the top end has an exposed outer surface to receive light. A photovoltaic layer surrounds at least a portion of one or more of the side walls of the optical core and an optical cladding layer surrounds the photovoltaic layer.

A method of fabricating a four junction solar cell having an upper first solar subcell composed of a semiconductor material including aluminum and having a first band gap; a second solar subcell adjacent to said first solar subcell and composed of a semiconductor material having a second band gap smaller than the first band gap and being lattice matched with the upper first solar subcell; a third solar subcell adjacent to said second solar subcell and composed of a semiconductor material having a third band gap smaller than the second band gap and being lattice matched with the second solar subcell; and a fourth solar subcell adjacent to and lattice matched with said third solar subcell and composed of a semiconductor material having a fourth band gap smaller than the third band gap; wherein the fourth subcell has a direct bandgap of greater than 0.75 eV.

The present invention relates to photovoltaic lined optical cavity for a robust power generating apparatus consisting of said cavities and manufacturing methods for said cavities. The photovoltaic lined optical cavity comprises of an optical core, a base substrate, photovoltaic layers lining the optical core, and optical elements. The photovoltaic lined optical cavity is optimized for the light capture of solar radiation and sufficient integrity against mechanical loads.

A back contact solar cell string includes: at least two cell pieces, where each cell piece comprises positive electrode regions and negative electrode regions alternately disposed with each other; insulation layers, covering the positive electrode regions on one side of the cell piece and the negative electrode regions on another side of the cell piece; and a first bus bar, connected to two adjacent cell pieces and electrically connected to the positive electrode regions and the negative electrode regions in the two adjacent cell pieces that are not covered by the insulation layers.

The photoelectric conversion device includes a pixel including a photoelectric conversion unit that outputs a pulse in response to incidence of a photon and a pulse counting unit that counts the pulse. The pulse counting unit includes first and second counters, a selection circuit for selecting a signal input to the first and second counters, and a control unit. The control unit controls the selection circuit to perform a first connection mode in which a counter of a first number of bits is configured by the first and second counters, and a second connection mode in which a counter of a second number of bits smaller than the first number of bits is configured by at least one of the first and second counters. The second connection mode includes a third connection mode in which pulses are counted in parallel by the first and second counters.

An apparatus is described for converting light of a light source into electrical energy. The apparatus includes a layered body having flat elements, a photovoltaic cell, a light conducting element, a light-switching element , and a photovoltaic cell arranged on a boundary surface of the layered body. The light-switching element (16) can be set to either transmit or block light, In the case of blocking, the light-switching element couples light into the photovoltaic cell t to convert received light into electric energy.