Abstract: An image sensor has an array of a tiling pattern of cells, each cell having at least one spiral nanowire circular polarizer formed of nanowires less than 80 nanometers in width; and photodiodes to receive incoming light form the circular polarizer. In embodiments, the polarizer is a descending spiral circular polarizer including at least four nanowires each about fifty nanometers wide at successive levels in the polarizer. In other embodiments, the circular polarizer comprises a flat spiral nanowire of width about seventy nanometers width, the flat spiral nanowire interrupted by cuts, disposed over multiple photodiodes to analyze a diffraction pattern from the polarizer.

Abstract: A base assembly and a periphery monitoring device for a vehicle include a base, a gasket, and a cover. The base includes a fixed part and a mounting part. The gasket is mounted to the fixed part between the fixed part and a door. The cover is mounted to and covers lower portions of the fixed part and the mounting part. A rib that has a lower rib is provided on the edge of the fixed part. The fixed part is provided with upper and lower drainage ports arranged vertically to each other. The gasket is provided with a final drainage port. As a result, the door is sealed.

Abstract: The invention relates to a heliostat sub-assembly and to a method of forming such a sub-assembly. The method of mounting a concave mirror to a supporting structure of a heliostat includes the steps of bonding a plurality of risers at predetermined spaced intervals to a rear face of the mirror, each riser having a bonding pad and a stem extending from the bonding pad, and applying a predetermined concave curvature to the mirror by conforming the front face of the mirror with a convex forming jig or die. The supporting structure and curved mirror are then aligned, and the supporting structure is clinched to the stems of the risers when the curved mirror is conformed with the forming die.

Abstract: A vehicular exterior rearview mirror assembly includes a mirror head and a mounting arm. The mirror head is mounted at the mounting arm via an adjustment mechanism. With the mounting arm attached at a side of a vehicle, an adjustment mechanism is operable to adjust the mirror head relative to the mounting arm between a retracted position and an extended position. The adjustment mechanism includes an actuator that is electrically operable to pivotally adjust a link that includes a first end pivotally attached to the mirror head and a second end pivotally attached at the mounting arm. The adjustment mechanism, when the actuator is operated, moves the mirror head along a path between the retracted and extended positions. The actuator is disposed at the mirror head so that, when the mirror head moves between the retracted and extended positions, the actuator travels along the path with the mirror head.

Abstract: Provided is an air housing apparatus for protecting, from contamination, scratches, damage and the like, a lens and a cover glass which affect the performance of an optical device installed on a vehicle such as a camera and LIDAR. The air housing apparatus according to an embodiment of the present invention comprises: a cover into which high pressure air is fed; an air guide for injecting the supplied high pressure air toward the front surface of a lens or a sensor; and an air housing provided so as to connect the cover and the air guide and transferring the high pressure air supplied from the cover to the air guide. Therefore, a lens, sensor, or cover glass of a vehicle-installed optical device such as a camera and LIDAR can be continually protected from contamination and scratches by means of the injected air.

Abstract: A mirror assembly for vehicle is disclosed. The mirror assembly includes a housing, a retaining rim, and a mirror lens that is secured between the housing and the retaining rim. In one embodiment, the mirror has a visual indicator mounted to the retaining rim or housing. When an object or pedestrian is detected in a lane next to or in front of a vehicle, the visual indicator provides light signals or other type of warning to an operator driving the vehicle. In one embodiment, the mirror assembly has a speaker mounted to the housing. When an object or pedestrian is detected in a lane next to or in front of the vehicle, the speaker provides audio signals to warn an operator driving the vehicle. In another embodiment, the mirror assembly includes a housing, a shield attached to the housing, a mirror lens, and a visual indicator securely located, for example, in a channel of the shield, retaining rim and/or housing.

Abstract: A polarizing film having a molded shape, in which a difference in average transmittance of the polarizing film at a wavelength of 400 to 700 nm is 5% or less before and after molding the shape of the polarizing film. In addition, when molding the polarizing film into a shape such as a curved surface, the polarizing film is heat-treated in a temperature range of Tg?20° C. or higher and Tg+10° C. or lower, where Tg is a glass transition point of a resin constituting the polarizing film. Further, one chamber is divided into a first space and a second space by the polarizing film disposed in the chamber, and the polarizing film is transfer-molded along a molding surface by a differential pressure generated by making a pressure in the first space and a pressure in the second space different from each other.

Abstract: A hands-free, adjustable telescoping magnifying mirror is provided. The mirror may have a first reflective surface and a second reflective surface and can be secured to a horizontal or vertical surface using a suction cup base or can be hung over a door or ledge using a retractable hanger bracket. A multi-stage telescoping rod is attached to the suction cup base and a swivel joint may be used to connect the telescoping rod to the mirror housing. The mirror may be extended from the base by extending the telescoping rod and the mirror assembly can stand freely without falling over, whether the suction cup base is engaged or not. Additionally, one or more light sources with diffuser screen may be disposed at a periphery of the first reflective surface or second reflective surface.

Abstract: Provided are a driven object side presser to press the first holder from a side where the driven object exists, a force transmitter to convert a tensile force to a pressing force with which the driven object side presser presses the first holder and to transmit the pressing force to the driven object side presser, a fixed member side presser to press the first holder from a side where the fixed member exists, a support fixed to the fixed member, a link to be connected to the force transmitter rotatably, the support, and the fixed member side presser and to move the fixed member side presser in a direction approaching the first holder when the force transmitter is moved in a direction away from the first holder, and a locking force generator to generate the tensile force, and to lock the first holder so as not to be moved.

Abstract: Aspects of this disclosure relate to side-view mirror assemblies in vehicles and associated mirror controllers. A side-view mirror assembly may be configured with mirror tilt, power extend/retract, and power fold/unfold functionalities that may be electronically controllable via a mirror controller. The mirror controller may be interfaced with a tilt control switch and the side-view mirror assembly. The mirror controller may be configured to receive commands, via the mirror tilt control switch, and activate and/or deactivate the power extend/retract and power fold/unfold functionalities. Based on activation of the power extend/retract and power fold/unfold functionalities, the mirror tilt control switch may be used to cause extension, retraction, folding, and/or unfolding of a side-view mirror.

Abstract: A door mirror structure comprises a mirror unit and a support member fixing the mirror unit to a frame member inside a side door. The mirror unit comprises a door-mirror body portion, a mirror base having a tip-end portion fixed to the door-mirror body portion and a base-end portion provided away from the tip-end portion, a rotational support axis connected to the base-end portion and rotatably supporting the door-mirror body portion and the mirror base between a mirror-use position and a mirror-storage position, and an electromotive rotational unit rotating the door-mirror body portion and the mirror base between the mirror-use position and the mirror-storage position around an axis line of the rotational support axis. The electromotive rotational unit is provided inside the side door.

Abstract: A meta-optical device for collimating and deflecting a light beam is provided to include a substrate assembly and at least one meta-optical array that is formed on the substrate assembly and that is disposed to receive at least one light beam. The at least one meta-optical array includes a plurality of nanostructures that are made in such a way that the at least one light beam is collimated and deflected after passing through the at least one meta-optical array.

Abstract: An optical structure includes an input grating and a multilayer waveplate. The input grating is configured to incouple a first spectrum of received image light. The multilayer waveplate is configured to reflect the first spectrum of the image light incoupled by the input grating in the second polarization orientation and reflect a second spectrum of the image light incoupled by the input grating by diffraction in the first polarization orientation.

Abstract: A polarizer and a display device are provided. The polarizer includes a linear polarization layer, a first hydrophobic layer disposed on a first surface of the linear polarization layer, and a first protection layer disposed on a surface of the first hydrophobic layer away from the linear polarization layer. This application utilizes a hydrophobic property of the first hydrophobic layer to prevent human sweat from penetrating into an interior of the polarizer and reaching the surface of the linear polarization layer, thereby preventing the sweat from corroding the linear polarization layer.

Abstract: A prism drive device of the present invention comprises: a housing; a mover disposed in the housing; a prism disposed in the mover; a first magnet disposed in the mover; a coil disposed in the housing; a guide part disposed between the housing and the mover and configured to guide the tilting of the mover; and a second magnet disposed in the housing and facing the first magnet, wherein the first magnet and the second magnet face each other with the same pole.

Abstract: This optical laminate includes a transparent base material, a hard coat layer, an optical function layer, and an anti-fouling layer, which are laminated in that order, in which the hard coat layer contains a filler, the hard coat layer has a thickness of 3 ?m or more and 25 ?m or less, and a 10-point average roughness Rz of a surface of the optical laminate is 19 nm or more and 100 nm or less.

Abstract: A door mirror device comprises a door-mirror body portion, a mirror base having a tip-end portion fixed to the door-mirror body portion, an electromotive rotational unit provided to rotate the door-mirror body portion and the mirror base between a mirror-use position and a mirror-storage position, and a control portion to control the electromotive rotational unit. The electromotive rotational unit is provided inside a side door. The control portion controls the electromotive rotational unit such that the door-mirror body portion and the mirror base are rotated in a prescribed minute range centered at the mirror-use position so as to change an angle of a mirror when a mirror-face adjusting signal is inputted.

Abstract: An optical system for displaying first and second images to a viewer is provided. A reflective polarizer is disposed between the second display and the viewer and is oriented obliquely relative to the first display. An optical stack including a partial reflector and a retarder layer is disposed between the reflective polarizer and the second display. The reflective polarizer reflects at least 70% of the incident light having a first polarization state and transmits at least 60% of the incident light having an orthogonal second polarization state. The partial reflector reflects at least 70% of the incident light for each of the polarization states. For each of the first and second polarization states and for each of a blue-green wavelength and a green-red wavelength the reflective polarizer transmits at east 70% of the incident light and the partial reflector transmits at least 60% of the incident light.

Abstract: A blind spot display device displays an image of blind spot blocked by an obstacle, and includes an incidence surface, a light guide member, a first reflecting surface closed to a display region, a second reflecting surface close to the blind spot, and multiple prism portions protruding toward the display region. An external environment light beam enters the incidence surface, reflects alternately on the first and second reflecting surface while passing through the light guide member, and emits toward the display region through the prism portions. Apexes of the prism portions are arranged in a three dimensional manner not along a plane.

Abstract: An image compensation device and a prism carrying mechanism thereof. The prism carrying mechanism comprises a base and a pair of prism carrying members. The base comprises a base body, a light passing hole disposed at the base body, and a plurality of first sliding assembling parts integrally formed on the same side of the base body. Each of the prism carrying members comprises a carrying member body, a prism assembling part disposed at the carrying member body and corresponding to the light passing hole, and a plurality of second sliding assembling parts integrally formed on the same side of the carrying member body. The prism assembling parts of the pair of prism carrying members are oppositely and alternately disposed in an axial direction. The plurality of second sliding assembling parts are slidably assembled to the plurality of first sliding assembling parts respectively.