Abstract: An electronic structure includes a substrate, a plurality of electronic units disposed on the substrate, a circuit structure electrically connected with at least one of the plurality of electronic units, and a support element disposed under the substrate. The substrate has a first flat part and a curved part connected with the first flat part. At least two adjacent ones of the plurality of electronic units on the first flat part have a first pitch. A least another two adjacent ones of the plurality of electronic units on the curved part have a second pitch different from the first pitch. In a normal direction of the first flat part, at least a portion of the circuit structure overlaps a region between the at least two adjacent ones of the plurality of electronic units on the first flat part. The circuit structure is disposed under the support element.

Abstract: An electrophoretic display device includes a substrate, an electrophoretic display film, a plurality of second electrodes, and a plurality of third electrodes. The electrophoretic display film is disposed on the substrate and includes a display medium layer and a first electrode. The second electrodes and the third electrodes are disposed on the substrate and located between the display medium layer and the substrate. A first voltage received by each of the second electrodes is controlled by a corresponding thin-film transistor. The third electrodes and the second electrodes are alternately disposed in a direction. The first voltage is different from a second voltage received by the third electrodes.

Abstract: An optical stack includes: a first optical sheet having a first principal face with a concavo-convex structure and a second principal face at an opposite side from the first principal face; and an adhesive layer that is disposed on the first principal face of the first optical sheet. The concavo-convex structure includes a plurality of dents and flat portions between adjacent ones of the plurality of dents. A surface of the adhesive layer and the first principal face of the first optical sheet together define an internal space within each of the plurality of dents. Each of the plurality of dents satisfies 0.10?(C?A)/C?1.00 and 0.75?(C?A)/(C?B), where A is a maximum height value of the adhesive layer existing in that dent; B is a minimum height value of the adhesive layer existing in that dent; and C is a depth of that dent.

Abstract: A diamond lens (3) configured for use in a multispectral imaging system (1). The diamond lens (3) has a largest linear dimension of at least 10 mm and is formed from diamond material having a birefringence An of greater than 1×10?4, measured over a specified area of at least 4 mm by 4 mm through a maximum thickness of at least 400 ?m. A multispectral imaging system (1) comprising the diamond lens (3) and a component (2) comprising the diamond lens are also described.

Abstract: An optical system includes a front group, an aperture stop configured to determine an on-axis light beam, and a rear group. The front group includes a negative lens, and a first positive lens disposed on an image side of the negative lens. The rear group includes at least two positive lenses. Predetermined inequalities are satisfied.

Abstract: Provided is a display device including a wire grid polarization layer. The display device includes: a display layer; a quantum-dot layer disposed on the display layer and including a color conversion layer including a quantum-dot and a scatterer; and an upper layer disposed on the quantum-dot layer and including a phase retardation layer and a wire grid polarization layer disposed on the phase retardation layer.

Abstract: A zoom lens assembly includes a lens barrel, at least one moving group, and a magnetic drive assembly. At least one moving group is movably installed at the lens barrel along a front-to-back direction, and the at least one moving group is configured for installing a lens. A magnetic drive assembly is configured for driving the moving group to move along the front-to-back direction, where the magnetic drive assembly includes a drive coil and a magnet structure; one of the drive coil and the magnet structure is fixed to the moving group, and the other of the drive coil and the magnet structure is fixed to the lens barrel; and the drive coil is provided in a magnetic field generated by the magnet structure to generate an electromagnetic drive force in combination with the magnet structure when the drive coil is energized.

Abstract: Disclosed in the present disclosure are a waterproof double-sided liquid crystal screen electronic shelf label and system, including: a main frame, a double-sided screen, a power connection and debugging member, and a fixing member. The double-sided screen is fixed in the main frame. The power connection and debugging member and the fixing member are located at a lateral side of the main frame. The power connection and debugging member is configured to supply power to the double-sided screen and debug the double-sided screen. The fixing member is configured to fix and mount the electronic shelf label. The double-sided screen is configured to display information on both sides of the double-sided screen. The present disclosure can achieve double-sided display by one electronic shelf label.

Abstract: An optical microscope device comprises an optically integrated configuration of components for imaging a target device within a field of view of the optical microscope device, and for laser annealing the target device by generating a laser beam spot pattern from a laser beam received on an optical fiber from a remote laser source, and for controlling a duration of exposure of the laser beam spot pattern for laser annealing the target device.

Abstract: A unidirectional perspective film includes a first niobium oxide layer, a first silicon oxide layer, an absorption layer, a second niobium oxide layer, and a second silicon oxide layer that are sequentially disposed. The absorption layer has a thickness ranging from 8 nm to 20 nm.

Abstract: A head-up display device for a motor vehicle is disclosed. The device includes a housing part in which an image-generating unit of the display device is arranged. The image-generating unit is configured to project an image onto a light-permeable projection surface. The image-generating unit includes a cover element which is connected to the housing part and covers regions of the housing part with respect to the surroundings of the display device. The cover element includes a peg element which is inserted into a corresponding receptacle formed in the housing part. The peg element is expanded with a spreading piece inserted into the peg element. The peg element is fixed in the receptacle as a result of the expansion.

Abstract: Structural color devices having high chromaticity and vivid color generation include a resonator cavity with multilayer stack having a first layer comprising a light absorbing material, a second layer comprising a low refractive index layer, and a third layer comprising a high refractive index layer. An ultrathin high refractive index layer may be disposed between the first and second layers in alternative variations. The structural color device has one or more of: (i) a chromaticity “C” of greater than or equal to about 90; (ii) a difference of a decay rate of intrinsic resonator absorption (?abs) of the resonator cavity and a decay rate of radiative loss (?rad) of the resonator cavity is less than or equal to about 25%; or both (i) and (ii).

Abstract: A metalens and a metalens array having a bounded angular field of view are disclosed. The metalens includes a substrate and a two-dimensional (2D) grid over the substrate to divide the substrate into a 2D array of meta-units. Each meta-unit in the 2D array includes a nanostructure and a portion of the substrate that supports the nanostructure. Moreover, each meta-unit is configured with an angular-dependent transmission or reflection coefficient that decreases with an increasing incident angle of an illumination. Moreover, the metalens passes an incident light having an incident angle less than a cutoff angle and rejects an incident light having an incident angle greater than the cutoff angle. The metalens can be used a base unit for constructing a metalens array by tiling copies of the metalens into a 2D array of the metalens to achieve a significantly larger field-of-view.

Abstract: Provided are a smart surface, a center console of a vehicle, and a vehicle. The smart surface includes a display device (10), a decorative cover plate (20) including a decorative pattern layer (21), a substrate layer (22), an optical adhesive layer (23), and a glass layer (24) stacked sequentially from top to bottom, an upper surface of the glass layer (24) being fitted to the optical adhesive layer (23), and a lower surface of the glass layer (24) being covered on the display device (10), and an AG fluorescent film (30) fitted to the decorative pattern layer (21), and the AG fluorescent film (30) is used for filtering ambient light or light emitted from the decorative pattern layer (21). The smart surface provided by the present application can reduce the obstruction of the image caused by the decorative pattern by providing the AG fluorescent film.

Abstract: An image capturing system lens assembly includes eight lens elements, the eight lens elements being, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element, a seventh lens element and an eighth lens element. Each of the eight lens elements has an object-side surface towards the object side and an image-side surface towards the image side. The fourth lens element has negative refractive power. The image-side surface of the eighth lens element is concave in a paraxial region thereof, and the image-side surface of the eighth lens element includes at least one inflection point.

Abstract: An electronic device includes: a processor; and a memory storing a program which, when executed by the processor, causes the electronic device to: switch between a first screen that displays a VR image individually and a second screen that displays a plurality of images including the VR image; and control a change in a display area of the VR image, wherein on the first screen, the display area of the VR image is changed based on a predetermined operation for changing the display area of the VR image, and on the second screen, the display area of the VR image is not changed based on the predetermined operation.

Abstract: Crosstalk between adjacent channels is suppressed when monitoring optical output power. A multi-channel optical module for multiplexing and outputting a plurality of wavelength channels, which includes a plurality of light sources each having a different wavelength, a plurality of collimator lenses coupled to the respective outputs of the plurality of light sources, a beam splitter coupled to an output of each of the plurality of collimator lenses, a plurality of monitor PDs for monitoring optical power branched from the beam splitter, and a plurality of wavelength filters inserted between the beam splitter and each of the plurality of monitor PDs and each wavelength filter transmitting only the wavelength of the light source coupled by the beam splitter.

Abstract: A head-mountable device can include assemblies that provide fit adjustment capabilities when assembled together. By providing head-mountable devices with modular features, certain assemblies can provide fit adjustment capabilities without requiring other assemblies to be custom designed or available in a wide variety of sizes and/or shapes. A lens assembly can provide one or more lenses that accommodate a user's vision correction needs. The lenses can be provided in a manner that allows them to be coupled to displays of the head-mountable device, which can move as needed. The lenses can be coupled to displays to move with the displays.

Abstract: Described are systems and methods to eliminate reflection from a display's incident light that is captured by a camera, such as a webcam. The display includes a polarizer that polarizes light which is reflected by a medium such as glass to the camera. The reflected light includes linearly polarized light. A polarizer is strategically placed in front of the lens set of a camera. Utilizing an orientation perpendicular to the reflected incident light, reflection from the reflective surfaces is eliminated before it enters the lens set of the camera.

Abstract: A polarizer and a liquid crystal display device. The polarizer includes a hard coating including whiskers.