Abstract: An example system includes a high-side electrode layer including a number of discrete electrodes and a low-side electrode layer. The system further includes an electro-optic (EO) layer including an EO active material positioned between the high-side electrode layer and the low-side electrode layer, thereby forming a number of active cells of the EO layer. Each of the number of active cells of the EO layer includes a portion of the EO layer that is positioned between one of the discrete electrodes and the low-side electrode layer. The example system further includes an insulator operationally coupled to the active cells of the EO layer, and at least partially positioned between a first one of the active cells and a second one of the active cells.

Abstract: An example system includes a high-side electrode layer including a number of discrete electrodes and a low-side electrode layer. The system further includes an electro-optic (EO) layer including an EO active material positioned between the high-side electrode layer and the low-side electrode layer, thereby forming a number of active cells of the EO layer. Each of the number of active cells of the EO layer includes a portion of the EO layer that is positioned between one of the discrete electrodes and the low-side electrode layer. The example system further includes an insulator operationally coupled to the active cells of the EO layer, and at least partially positioned between a first one of the active cells and a second one of the active cells.

Abstract: A photographing lens assembly includes a total of eight lens elements which are, 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. The first lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof. The second lens element has negative refractive power. The eighth lens element with negative refractive power has an object-side surface being concave in a paraxial region thereof. At least one lens element of the photographing lens assembly has at least one lens surface having at least one inflection point.

Abstract: An adjustable optical lens, a camera module and an aligning method thereof are disclosed. The adjustable optical lens includes at least one lens element and an optical structure element. Each of the lens elements is successively and overlappingly arranged in an photosensitive apparatus of the optical structure element, wherein at least one of the lens elements is configured as an adjustable lens element whose assemble position is adjustable. The optical structure element has at least one adjusting channel and at least one fixing channel for adjusting and fixing the adjustable lens element respectively.

Abstract: An example deformable mirror includes a number of cells defining an aperture plane of the mirror. Each of the cells includes a first transparent electrode layer and a second reflective electrode layer, with a solid crystal electro-optical (EO) active layer between the electrode layers. The deformable mirror includes a reflective layer optically coupled to each of the cells on the reflective side of the cell.

Abstract: A small information display apparatus capable of displaying video information on a windshield as a virtual image is provided. An information display apparatus configured to display video information of a virtual image on a windshield of a conveyance includes: a liquid crystal panel arranged as a video display apparatus configured to form the video information; and a virtual image optical system provided with a windshield for displaying the virtual image at a front of the conveyance by reflecting video of the liquid crystal panel by means of the windshield. The virtual image optical system is configured by arranging a concave mirror and an optical element between the concave mirror and the video display apparatus.

Abstract: An optical imaging lens comprises first, second, third, fourth, fifth and sixth lens elements arranged sequentially from an object side to an image side along an optical axis. The object-side surface of the second lens element has a concave portion in the vicinity of a periphery of the second lens element, and the image-side surface of the second lens element has a concave portion in a vicinity of the optical axis. The image-side surface of the third lens element has a concave portion in the vicinity of a periphery of the third lens element. An effective focal length of the optical imaging lens is EFL, an air gap between the fourth lens element and the fifth lens element along the optical axis is G45, a central thickness of the sixth lens element along the optical axis is represented by T6, and EFL, G45 and T6 satisfy the equation: EFL/(G45+T6)?6.40.

Abstract: An imaging lens system has an optical axis and includes a plastic lens barrel and an imaging lens assembly disposed in the plastic lens barrel. The plastic lens barrel surrounds the optical axis and includes an object-side surface, an image-side surface, an inner annular portion and an outer annular portion. The object-side and image-side surfaces are oppositely disposed and substantially perpendicular to the optical axis. The inner and outer annular portions are connected to the object-side and image-side surfaces. The inner annular portion has an inner parallel annular surface, and the outer annular portion has a first outer annular surface and a gate trace. The imaging lens assembly includes a plurality of imaging lens elements. One of the imaging lens elements has an outer diameter larger than ?2 millimeters. The one of the imaging lens elements has an outer edge in physical contact with the inner parallel annular surface.

Abstract: A lens assembly including 4˜7 lenses with a refractive power is provided. D1 is the diameter of a lens surface farthest away from the image plane of the lens assembly. DL is the diameter of a lens surface closest to the image plane of the lens assembly. LT is the length on an optical axis of the lens from the lens surface farthest away from the image plane of the lens assembly to the lens surface closest to the image plane of the lens assembly. The lens assembly satisfies the following conditions: (1) 6 mm<DL<20 mm, 1.5<LT/DL<2.4 and D1/DL>0.6 or (2) 6 mm<DL<20 mm, 1.25<LT/DL<1.7 and D1/DL>0.4.

Abstract: In a lens module, a sidewall of a lens barrel includes a first wall section that surrounds at least one access hole, and a second wall section that is other than the first wall section. The first wall section has a first inner circumferential surface and a first distance defined between the first inner circumferential surface and an outer circumferential surface of the at least one lens. The second wall section has a second inner circumferential surface and a second distance defined between the second inner circumferential surface and the outer circumferential surface of the at least one lens. The first distance is larger than the second distance.

Abstract: A light modulator and method of forming the same is provided. The light modulator includes a membrane and a tuning electrode in spaced relation to the membrane. A light blocking fluid is received between the substrate and the tuning electrode and a light blocker is positioned between the tuning electrode and a central portion of the membrane. A pinning electrode is disposed between the light blocker and the membrane and is aligned with the central portion of the membrane. An electrostatic generator is configured to selectively apply an electrostatic force on the membrane causing the central portion of the membrane to deform towards pinning electrode causing the light blocking fluid to be displaced from between the membrane and the pinning electrode.

Abstract: A method for testing the eyes of a test person with the aid of a vision testing system as well as vision testing system, comprising a first measuring device, a second topographic measuring device, a third refractive measuring device and a processing means, an axial length (L) of an eye of the test person being measured with the aid of the first measuring device, a curvature of the cornea of the eye being measured with the aid of the second measuring device, a refractive property of the eye being measured with the aid of the third measuring device, a measurement simultaneously being carried out with the first, second and third measuring device at the eye, measurement data of the measurements of the first, second and third measuring device being processed with the aid of the processing means, said processing means presenting a database with normal data, a comparison of the measurement data with the normal data being carried out and a result of said comparison being issued by means of said processing means.

Abstract: An electronic device includes at least one optical lens system. The optical lens system includes five lens elements, and the five lens elements are, in order from an outside to an inside, a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element. At least one of outside surfaces and inside surfaces of the first lens element, the second lens element, the third lens element, the fourth lens element and the fifth lens element is aspheric and includes at least one inflection point.

Abstract: An optical imaging system includes a first lens having refractive power, a second lens including a first reflective region formed on an object-side surface of the second lens, a third lens having a second reflective region formed on an image-side surface of the third lens, and a fourth lens having refractive power.

Abstract: A multicolor electrochromic structure comprises a working electrode, an electrolyte and an auxiliary electrode. The electrolyte is distributed between the working electrode and the auxiliary electrode. The working electrode comprises an electrochromic layer which comprises a first reflective surface and a second reflective surface arranged face to face in parallel. A dielectric layer is arranged between the first and the second reflective surfaces. The first and the second reflective surfaces and the dielectric layer form an optical cavity. The dielectric layer is fabricated by an electrochromic material. The multicolor electrochromic structure can combine a structural color with electrochromism to display various color changes; it features a simple structure, low costs and a wide application prospect, and it is easy to be fabricated.

Abstract: A variable transmission film may include an electrophoretic medium having a plurality of capsules and a binder, each capsule containing a plurality of electrically charged particles and a fluid, the charged particles being movable by application of an electric field and being capable of being switched between an open state and a closed state. The film may include at least one of a binder containing fish gelatin and a polyanion; a binder containing one or more tinting agents; capsules containing charge control agents, such as an oligoamine-terminated polyolefin and a branched chain fatty acid comprising at least 8 carbon atoms; a selection of capsules in which at least 60% have a diameter between 50 ?m and 90 ?m and at least 15% have a diameter between 20 ?m and 49 ?m; a tinted adhesive layer; and a fluid selected from one or more nonconjugated olefinic hydrocarbons.

Abstract: An article, includes a layer including at least one color-rendering portion and at least one light valve; and a metal reflector portion, wherein the at least one light valve is positioned in the layer to provide reflection of incident light through the at least one light valve. A method of making an article is also disclosed.

Abstract: An augmented reality head mounted display system an eyepiece having a transparent emissive display. The eyepiece and transparent emissive display are positioned in an optical path of a user's eye in order to transmit light into the user's eye to form images. Due to the transparent nature of the display, the user can see an outside environment through the transparent emissive display. The transmissive emissive display comprising a plurality of emitters configured to emit light into the eye of the user.

Abstract: Disclosed herein is a lens assembly that includes an aperture stop and at least three lenses. The first lens is disposed closer to the image sensor than the aperture stop, the first lens including two convex surfaces. The second lens is disposed closer to the image sensor than the first lens, and includes convex and concave surfaces. And the third lens is disposed closer to the image sensor than the second lens. The lens assembly meets Equation 1: 0.1?CT15/StopL?0.4 wherein “CT15” denotes a distance between the object-side surface of the first lens and the object-side surface of the third lens measured along the optical axis, and “StopL” denotes a distance between an image forming surface of the image sensor and the aperture stop measured along the optical axis. Other various embodiments are also disclosed.

Abstract: A visual sense examination device includes: a beam source that emits a visible beam and an invisible beam; a visible beam optical system that includes a first scanner scanning the visible beam; an invisible beam optical system that includes a second scanner scanning the invisible beam; a detector that detects the invisible beam reflected by a retina of a subject; a controller that performs a first control; a synthesizer that synthesizes the visible beam scanned by the first scanner and the invisible beam scanned by the second scanner; and wherein scanning angles of the visible beam by the first scanner and the invisible beam by the second scanner are substantially the same, and projectable ranges of the visible beam scanned by the first scanner and the invisible light scanned by the second scanner are substantially the same on the retina of the subject.