A resin component holding member is made of a metal material and holds a predetermined resin component. The resin component holding member includes, in at least a region with which the resin component can be in contact, a configuration for preventing alkaline residue caused by chemical treatment from permeating into the resin component.

A plastic barrel including an object-end portion, a holder portion, and a tube portion is proposed. The object-end portion includes an outer object-end surface, an object-end hole, and an inner annular object-end surface. A part of the inner annular object-end surface is connected with the outer object-end surface and surrounding the object-end hole. The holder portion includes a bottom surface, a bottom hole, and an outer bottom side. The bottom surface surrounds the bottom hole and is connected with the outer bottom side. The holder portion further includes cut traces formed by partially removing gate portions. The tube portion includes inner annular surfaces and connects the object-end portion with the holder portion.

A variable focal length lens apparatus includes a liquid lens apparatus in which the refractive index changes in accordance with an input drive signal, and a refractive power controller that controls refractive power of the lens system. The refractive power controller adjusts the voltage of the drive signal in accordance with effective power that is supplied to the liquid lens apparatus.

A lens apparatus includes an imaging optical system includes an imaging optical system including a plurality of lenses, a first holding member holding at least a first lens closest to an object among the plurality of lenses, and configured to move in an optical axis direction of the imaging optical system to perform focusing, a barrel member provided on an outside of the first holding member, and a control unit configured to control a driving unit configured to move the first holding member. When focus is at infinity, an edge surface on an object side of the barrel member is positioned on the object side of a surface vertex of an object-side surface of the first lens. When focus is at infinity, an edge surface on the object side of the control unit is positioned on the object side of the surface vertex.

An array imaging module includes a molded photosensitive assembly which includes a supporting member, at least a circuit board, at least two photosensitive units coupled at the chip coupling area of the circuit board, at least two lead wires electrically connected the photosensitive units at the chip coupling area of the circuit board, and a mold sealer which includes a main mold body and has two optical windows. When the main mold body is formed, the lead wires, the circuit board and the photosensitive units are sealed and molded by the main mold body of the mold sealer, such that at least a portion of the circuit board are integrally formed together at a position that the photosensitive units are aligned with the optical windows respectively.

A plastic barrel including an object-end portion, a holder portion, and a tube portion is proposed. The object-end portion includes an outer object-end surface, an object-end hole, and an inner annular object-end surface. A part of the inner annular object-end surface is connected with the outer object-end surface and surrounding the object-end hole. The holder portion includes a bottom surface, a bottom hole, and an outer bottom side. The bottom surface surrounds the bottom hole and is connected with the outer bottom side. The holder portion further includes cut traces formed by partially removing gate portions. The tube portion includes inner annular surfaces and connects the object-end portion with the holder portion.

A beam shaping device includes an SAC and an FAC. The SAC is placed between an LD bar and the FAC. A first incident surface and a first exit surface are formed in the SAC. The first incident surface includes a plurality of incident-side lens surfaces aligned in a slow axis direction X. The incident-side lens surfaces each have, in section orthogonal to a fast axis direction Y, a shape convexed toward the outside of the SAC and, in section orthogonal to the slow axis direction X, a shape concaved toward the inside of the SAC. The shape of the first incident surface and the shape of the first exit surface in section orthogonal to the slow axis direction X are concentric arcs having a point on an emission end surface of a light emitting layer as the center.

A lens assembly includes a lens including an optical portion refracting light and a flange portion extending along a portion of a circumference of the optical portion, a blocking member disposed in front of the lens and having an opening to allow light to be incident on the lens, and a lens barrel accommodating the lens. The optical portion is noncircular and a portion of the blocking member facing the optical portion in an optical axis direction is located to be higher than a portion of the blocking member facing the flange portion in the optical axis direction.

The present disclosure relates to a lens coating fixture. The lens coating fixture includes: a fixture upper plate and a fixture lower plate that is arranged to be opposite to the fixture upper late and clamps a lens to be coated together with the fixture upper plate; wherein the fixture upper plate is provided with a plurality of first lends receiving holes, the fixture lower plate is provided with a plurality of second lens receiving holes that correspond to the first lens receiving holes and have the same size with the first lens receiving holes, the fixture upper plate is provided with recess portions surrounding the first lends receiving holes, protrusion portions are arranged at positions of the fixture lower plate corresponding to the recess portions, the protrusion portions being configured to be received in the recess portions when the fixture upper plate and the fixture lower plate are attached.

An electroluminescent display device includes: a substrate including: a first subpixel, a second subpixel, and a third subpixel, a first electrode in each of the first to third subpixels, an emission layer on the first electrode and including: a first stack emitting first-colored light, and a second stack emitting second-colored light, the second stack being on the first stack, a second electrode on the emission layer, and a light-absorbing layer on the second electrode, wherein the first subpixel emits: light with a red wavelength range, and light with a cyan wavelength range, wherein the second subpixel emits light with a green wavelength range, wherein the third subpixel emits light with a blue wavelength range, and wherein the light-absorbing layer includes a cyan-absorbing material absorbing the light with the cyan wavelength range.