Abstract: A camera module includes: a lens barrel accommodating a lens; a forwardmost lens disposed closer to an object side than the lens; an energy generation unit configured to supply energy to the forwardmost lens; and an energy transfer member disposed in contact with the forwardmost lens and the energy generation unit, and configured to transfer the supplied energy to the forwardmost lens.

Abstract: An optical focusing and collecting system includes: a first optical shaping portion, including an output surface, adapted to supply a primary light beam which is made annular; a second optical focusing and collecting portion, including a conical upper central reflective surface and a conical lower central reflective surface; a third optical return portion, including a reflective surface located between the output surface and the upper central reflective surface, along a main optical axis (?) and having transverse dimensions smaller than those of the annular primary light beam supplied by the first optical portion.

Abstract: A supporting case for use with a smart device such as a smart phone to assist a visually impaired individual. The case has a lower surface for positioning over a viewing surface containing material to be viewed by the individual and a pocket configured and dimensioned to receive and support the smart device. The case includes one or both of a lifting system for lifting and holding the case hands-free at a pre-set distance above the material to be viewed and a distance viewing system to view material not underneath the case.

Abstract: The waveplates herein (A) can have high performance across a broad wavelength range and broad range of incident angles; (B) can be thin; and (C) can withstand a high temperature. The waveplates can include ribs 12 on a substrate 11 with a channel 13 between each pair of adjacent ribs 12. Each rib 12 can include the following layers in the following order moving outward from the substrate: a bottom-medium-layer BM (nBM), a high-layer H (nH), then a top-medium-layer TM (nTM). Each rib 12 can be located on a bottom-low-layer BL (nBL). A top-low-layer TL (nTL) can be located on a face TMF of the top-medium-layer TM farthest from the substrate 11. Relationships between indices of refraction of these layers can be nBL<nBM<nH and nTM<nTM<nH.

Abstract: There is provided a Fresnel lens capable of restraining flare from occurring. Each of a plurality of prisms (11) of a Fresnel lens (10) has an effective surface (Es) and a noneffective surface (Ns). In each of the prisms (11), the noneffective surface (Ns) has a first noneffective surface (Ns1) and a second noneffective surface (Ns2) that is closer to a crest (11c) of the prism (11) than the first noneffective surface (Ns1). The first noneffective surface is inclined to an optical axis (Z1).

Abstract: A shape memory alloy actuation apparatus comprises a support structure (2) and a movable element (10). A helical bearing arrangement (20) supporting the movable element on the support structure guides helical movement of the movable element with respect to the support structure around a helical axis (H). At least one shape memory alloy actuator wire (60) is connected between the support structure and the movable element in, or at an acute angle to, a plane normal to the helical axis, so as to drive rotation of the movable element around the helical axis which the helical bearing arrangement converts into said helical movement.

Abstract: The present application provides a 3D display device. The 3D display device comprises a plurality of light-emitting fibers and a plurality of electrode wires. A plurality of light-emitting fibers are arranged at intervals and arranged in different planes. A plurality of electrode wires are arranged at intervals and arranged across and in contact with the corresponding light-emitting fibers to form a 3D network structure.

Abstract: According to various example embodiments, a wearable electronic device may include: a lens frame; a housing; a translational bracket having a translational bracket main hole; an input screw penetrating through an outer wall of the housing; a rotating bracket having a rotating bracket main hole communicating with the translational bracket main hole and a rotating bracket auxiliary hole spaced apart from the rotating bracket main hole and rotatably connected to the housing; a connecting shaft passing through the translational bracket main hole and the rotating bracket main hole configured to rotate the rotating bracket while moving together with the translational bracket main hole; a cam having a cam hole communicating with the rotating bracket auxiliary hole and rotatably connected to the rotating bracket; a shield capable of hanging on the rotating bracket; and a leg connected to the shield.

Abstract: An optical module includes a display element that emits image light of P-polarized light, an optical member including an incident portion on which the image light emitted is incident and an emission portion that emits the image light, a first wavelength plate that is disposed on the optical path between the display element and the optical member and that makes the image light of the P-polarized light into image light of circular polarized light, a second wavelength plate that is flat, that disposed between the incident portion and the emission portion of the optical member, and that makes the image light of the circular polarized light into image light of S-polarized light and make the image light of the S-polarized light into image light of P-polarized light, and a combiner that reflects the image light emitted from the optical member.

Abstract: An imaging lens assembly driving module includes a lens carrier, a first molded structure, a second molded structure, a driving mechanism and a mechanical member. The lens carrier defines an optical axis. The first molded structure is disposed correspondingly to the lens carrier and includes a first light blocking structure. The second molded structure is coupled to the first molded structure for forming an inner space, the lens carrier is accommodated in the inner space, and the second molded structure includes a second light blocking structure. The driving mechanism is for driving the lens carrier to move along the optical axis. The mechanical member is for connecting the lens carrier and the first molded structure. The first molded structure is coupled to the second molded structure so that the first light blocking structure and the second light blocking structure form a light passing hole.

Abstract: An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens sequentially disposed in numerical order along an optical axis of the optical imaging system from an object side of the optical imaging system toward an imaging plane of the optical imaging system, wherein the first to seventh lenses are spaced apart from each other along the optical axis, and the optical imaging system satisfies 0.1<L1w/L7w<0.4, where L1w is a weight of the first lens, L7w is a weight of the seventh lens, and L1w and L7w are expressed in a same unit of measurement.

Abstract: Various techniques are provided for protecting an infrared imager of a wafer level package. In one example, a method includes maintaining a protective member in a first position blocking an aperture of a wafer level package of an imaging system to protect an infrared imager disposed within the wafer level package. The method also includes attaching an optical assembly to the imaging system. The method also includes translating the protective member from the first position to a second position in response to a first force applied by the optical assembly against the imaging system during the attaching. The protective member is displaced from the aperture in the second position to expose the aperture to the optical assembly. Additional methods and systems are also provided.

Abstract: An optical lens assembly includes seven lens elements which are, in order from an object side to an image side along an optical path: a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element and a seventh lens element. An object-side surface of the first lens element is concave in a paraxial region thereof. The third lens element has positive refractive power. An object-side surface of the sixth lens element is convex in a paraxial region thereof, and an image-side surface of the sixth lens element is concave in a paraxial region thereof. An image-side surface of the seventh lens element is concave in a paraxial region thereof, and the image-side surface of the seventh lens element has at least one inflection point.

Abstract: A camera module includes a liquid lens including a first plate and an individual electrode disposed on a first surface of the first plate; a resistor disposed on the first surface of the first plate so as to be spaced apart from the individual electrode; and a temperature sensor connected to the resistor and configured to sense a temperature of the liquid lens and a heating controller connected to the resistor and configured to control a temperature of the liquid lens.

Abstract: It is provided an objective lens, consisting of, in order from an object side to an image side: a first meniscus lens and a second meniscus lens, both having a convex side towards the object side; a first condensing unit; an aperture stop; a second condensing unit. An apex of the second meniscus lens is spaced apart from the first meniscus lens. A total number of lenses in the first and second condensing units is not less than 4 and not more than 6. If a radius of the first meniscus lens on the image side is denoted r2, a radius of the second meniscus lens on the object side is denoted r3, and a radius of the second meniscus lens on the image side is denoted r4, at least two of the following three conditions are fulfilled: r2/r4?1.40; r4/r3?0.111; and r2/r3?0.16.

Abstract: The imaging lens consists of, in order from the object side to the image side, a first lens group having a positive refractive power, a second lens group, and a third lens group. During focusing, the second lens group moves. The first lens group includes a first positive lens disposed to be closest to the object side, a second positive lens disposed closer to the image side than the first positive lens, and an LA lens disposed closer to the image side than the second positive lens. Assuming that a partial dispersion ratio and an Abbe number thereof are respectively ?gFA and ?A, the LA lens satisfies 0.02<?gFA+0.001618×?A?0.6415<0.1. The imaging lens satisfies predetermined conditional expressions.

Abstract: A beam deflection system includes 2M laser light sources configured to emit laser lights, each laser light source being configured to switch two different center wavelengths to each other. The 2M laser light sources are divided into two sets of M types. The laser lights emitted from the two sets of M types of laser light sources are combined and input to a beam deflector. When (i) N is defined as an integer satisfying an expression of “1?N?M”, and (ii) center wavelengths of Nth laser light sources of the two sets of M laser light sources are defined as ?N and ?M+N, an expression of “?1< . . . <?N< . . . <?M<?M+1< . . . <?M+N< . . . <?2M” is satisfied.

Abstract: Provided are a lens assembly and an electronic device including the lens assembly, the lens assembly including a first reflector configured to rotate around a first rotation axis, a second reflector configured to rotate around a second rotation axis, a plurality of lenses, and an image sensor configured to generate a plurality of captured images having different capturing views based on a rotation of at least one of the first reflector or the second reflector, in which the first reflector, the second reflector, the plurality of lenses, and the image sensor are provided in sequential order from an object's side.

Abstract: An optical imaging lens including 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 sequentially along an optical axis from an object side to an image side is provided. Each of the first lens element to the eighth lens element includes an object-side surface facing the object side and allowing imaging rays to pass through and an image-side surface facing the image side and allowing the imaging rays to pass through. A periphery region of the object-side surface of the third lens element is concave, and a periphery region of the image-side surface of the third lens element is convex. Lens elements of the optical imaging lens are only the above-mentioned eight lens elements, and the optical imaging lens satisfies the condition of D11t62/D71t82?2.400.

Abstract: Disclosed is an optical article including a substrate having at least one main face coated with a reflective coating including a stack of at least one high refractive index layer having a refractive index higher than 1.55 and at least one low refractive index layer having a refractive index of 1.55 or less, in which the thicknesses of the layers in the reflective coating have been optimized according to specific design rules in order to boost the abrasion resistance of the optical article.