Abstract: An optical image capturing system includes, along the optical axis in order from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, and a fifth lens. At least one lens among the first to the fifth lenses has positive refractive force. The fifth lens can have negative refractive force, wherein both surfaces thereof are aspheric, and at least one surface thereof has an inflection point. The lenses in the optical image capturing system which have refractive power include the first to the fifth lenses. The optical image capturing system can increase aperture value and improve the imaging quality for use in compact cameras.

Abstract: An optical image capturing system includes, along the optical axis in order from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, and a fifth lens, wherein at least one lens among the first to the fifth lenses has positive refractive force and the fifth lens can have negative refractive force, and wherein both surfaces thereof are aspheric, and at least one surface thereof has an inflection point such that the lenses in the optical image capturing system which have refractive power include the first to the fifth lenses, whereby the optical image capturing system can increase aperture value and improve the imaging quality for use in compact cameras.

Abstract: An optical imaging lens assembly that may have five lens components. The first, third, and fourth lens components may have positive refractive power. The second and fifth lens components may have negative refractive power. The third lens component may have convex object-side and convex image-side refractive surfaces. The fourth lens component may have convex object-side and concave image-side refractive surfaces. The first lens component may include a wafer lens having a lens element molded on one or both surfaces of a planar substrate or two wafer lenses having a lens element molded on one surface of each of two planar substrates. The wafer lens may include an electrically controlled electrochromic surface having variable light transmittance in response to an applied electrical voltage. The refracting surfaces may be aspheric.

Abstract: A six-piece optical lens for capturing image and a six-piece optical module for capturing image are provided. In order from an object side to an image side, the optical lens along the optical axis includes a first lens with refractive power, a second lens with refractive power, a third lens with refractive power, a fourth lens with refractive power, a fifth lens with refractive power and a sixth lens with refractive power. At least one of the image-side surface and object-side surface of each of the six lens elements is aspheric. The optical lens can increase aperture value and improve the imagining quality for use in compact cameras.

Abstract: An imaging lens includes a first lens having positive refractive power; a second lens; a third lens; a fourth lens; a fifth lens; and a sixth lens having negative refractive power, arranged from an object side to an image plane side. The first lens has an object-side surface and an image plane-side surface having positive curvature radii. The third lens has an object-side surface and an image plane-side surface having positive curvature radii. The fourth lens has an object-side surface and an image plane-side surface having negative curvature radii. The sixth lens is formed so that at least one of an object-side surface and an image plane-side surface is an aspherical surface and has at least one inflexion point. The first lens and the second lens have a specific composite focal length.

Abstract: The invention discloses a three-piece optical lens for capturing image and a three-piece optical module for capturing image, which include, along the optical axis in order from an object side to an image side, a first lens with positive refractive power having an object-side surface which can be convex; a second lens with refractive power; a third lens with refractive power; two surfaces of each of the three lenses can be both aspheric. The third lens can have positive refractive power, wherein an image-side surface thereof can be concave, and both surfaces thereof are aspheric; at least one surface of the third lens has an inflection point. The optical lens can increase aperture value and improve the imagining quality for use in compact cameras.

Abstract: An optical image capturing system includes, along the optical axis in order from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, and a fifth lens, wherein at least one lens among the first to the fifth lenses has positive refractive force, the fifth lens can have negative refractive force, wherein both surfaces thereof are aspheric, and at least one surface thereof has an inflection point, and wherein the lenses in the optical image capturing system which have refractive power include the first to the fifth lenses, whereby the optical image capturing system can increase aperture value and improve the imaging quality for use in compact cameras.

Abstract: A six-piece optical lens for capturing image and a six-piece optical module for capturing image are provided. In order from an object side to an image side, the optical lens along the optical axis includes a first lens with refractive power, a second lens with refractive power, a third lens with refractive power, a fourth lens with refractive power, a fifth lens with refractive power and a sixth lens with refractive power. At least one of the image-side surface and object-side surface of each of the six lens elements is aspheric. The optical lens can increase aperture value and improve the imagining quality for use in compact cameras.

Abstract: Digital visible light (RGB) cameras incorporating an NIR apodization filter having a gradual transmission for at least the NIR band. In some embodiments, the NIR apodization filter is incorporated into a camera module having a single aperture. The NIR apodization filter may effectively reduce the NIR aperture size relative to the RGB aperture size. In some embodiments, the different depth of field (DOF) associated with the different aperture sizes is employed to compute depth information for a scene (e.g., through a sharpness disparity function). In further embodiments, other image processing is based on the enhanced NIR information collected by a single-lens CM, or a multi-camera implementation where at least one CM of a multi-camera platform incorporates an NIR apodization filter.

Abstract: An optical system includes a plurality of lenses, a diaphragm configured to adjust a light amount, and an optical element having a transmittance distribution. A transmittance of the optical element satisfies predetermined conditions. In addition, another predetermined condition is satisfied when the diaphragm is fully opened.

Abstract: An objective lens for an endoscope consists of, in order from the object side, a negative front group, an aperture stop and a positive rear group. The front group consists of, in order from the object side, a negative first lens and a cemented lens of a negative second lens and a positive third lens cemented together. The rear group consists of, in order from the object side, a positive lens and a cemented lens of a positive lens and a negative lens cemented together. The objective lens for an endoscope satisfies predetermined conditional expressions.

Abstract: An optical lens module includes a lens assembly and a plastic barrel. The lens assembly includes a plurality of lens elements and is disposed in the plastic barrel. The plastic barrel includes an object-end portion, an image-end portion, an outer tube portion, an inner tube portion and at least one reflection reduction area. The image-end portion includes an image-end opening. The inner tube portion includes a plurality of parallel inner surfaces and a plurality of inclined inner surfaces, wherein the parallel inner surfaces are parallel to the central axis, and each of the inclined inner surfaces has an angle with the central axis. The reflection reduction area is disposed on one of the inclined inner surfaces closest to the image-end opening, wherein the reflection reduction area and the plastic barrel are integrally formed by an injection molding method.

Abstract: A laser component assembly includes a carrier including first and second component portions wherein each component portion has a chip mounting surface, a lens mounting surface and a stop surface, the stop surface of each component portion includes first and second stop partial surfaces, the first stop partial surface is formed on a first stop element and the second stop partial surface is formed on a second stop element, the chip mounting surface is arranged between the first stop element and the second stop element, the stop surface is oriented perpendicularly to the chip mounting surface, a laser chip arranged on the chip mounting surface, the laser component assembly as a lens bar comprising an optical lens component portion and the lens bar is arranged on the lens mounting surfaces of the component portions and bears against the stop surfaces of the component portions.

Abstract: Various optoelectronic modules are described that include an optoelectronic device (e.g., a light emitting or light detecting element) and a transparent cover. Non-transparent material is provided on the sidewalls of the transparent cover, which, in some implementations, can help reduce light leakage from the sides of the transparent cover or can help prevent stray light from entering the module. Fabrication techniques for making the modules also are described.

Abstract: An apparatus includes a package structure. The package structure includes a chip, a conductive structure over the chip, a molding structure surrounding and underneath the chip, and a first passivation layer over the conductive structure. The chip includes an optical component and a chip conductive pad. The conductive structure is electrically coupled to the chip conductive pad. The conductive structure has a planar portion substantially in parallel with an upper surface of the chip. The first passivation layer has a first opening defined therein. The first opening exposes a portion of the planar portion. The package structure is configured to receive an electrical coupling through the first opening in the first passivation layer.

Abstract: An optical processor is presented for applying optical processing to a light field passing through a predetermined imaging lens unit. The optical processor comprises a pattern in the form of spaced apart regions of different optical properties. The pattern is configured to define a phase coder, and a dispersion profile coder. The phase coder affects profiles of Through Focus Modulation Transfer Function (TFMTF) for different wavelength components of the light field in accordance with a predetermined profile of an extended depth of focusing to be obtained by the imaging lens unit. The dispersion profile coder is configured in accordance with the imaging lens unit and the predetermined profile of the extended depth of focusing to provide a predetermined overlapping between said TFMTF profiles within said predetermined profile of the extended depth of focusing.

Abstract: A method for displaying three-dimensional integral images using a mask and a time division multiplexing which is configured in such a way that a three-dimensional image is displaced in a space as an element image obtained from a three-dimensional object is passed through a lenslet and a mask, the mask consisting of a blocking region through which an element image does not pass and a transmission region through which an element image passes, for thereby displaying three-dimensional images. The present invention is advantageous to play back a three-dimensional image the resolutions of which are enhanced in a depth-based integral imaging method using a time division display of an element image and a masked image.

Abstract: An image capturing optical lens system includes, 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, and a sixth lens element. The first lens element with positive refractive power has a convex object-side surface. The second lens element has refractive power. The third lens element with refractive power has a concave image-side surface. The fourth lens element has refractive power, and at least one surface thereof is aspheric. The fifth lens element with negative refractive power has a concave object-side surface and a convex image-side surface, and the surfaces thereof are aspheric. The sixth lens element with refractive power has a convex object-side surface, and an image-side surface changing from concave at a paraxial region thereof to convex at a peripheral region thereof, and the surfaces are aspheric.

Abstract: A secondary optical element including a light incidence surface, a light emitting surface, and a connecting surface is provided. The light incidence surface includes a first and a second light incidence surfaces. The first light incidence surface is a curved surface recessed toward the light emitting surface. The light emitting surface is opposite to the light incidence surface and includes a first and a second light emitting surfaces. The first light emitting surface is a free-form surface recessed toward the light incidence surface or a flat surface. The second light emitting surface is a free-form surface. A diameter of the second light emitting surface is larger than a diameter of the second light incidence surface, and the connecting surface is connected between the second light incidence surface and the second light emitting surface. A light source module is also provided.

Abstract: A projector includes: a solid-state light emitting element that emits light; a projection image forming unit that includes an effective area in order to form a projection image; and a reflecting member disposed between the solid-state light emitting element and the projection image forming unit, wherein: the reflecting member reflects part of the light emitted from the solid-state light emitting element and thus redirects the part of the light to travel back to the solid-state light emitting element, the part of the light not entering the effective area.

Abstract: A Fresnel lens including a plurality of sawtooth-shaped projections, with each projection including a first surface at a first angle and a second surface at a second angle. Each first surface has top and bottom edges and each second surface has top and bottom edges. Each projection has a top intersection where the top edge of the first surface intersects the top edge of the second surface. Adjacent projections have a bottom intersection where the bottom edge of the second surface of a first one of the adjacent projections intersects the bottom edge of the first surface of a second one of the adjacent projections. The lens portion is opaque at the top intersection of the projections, at the bottom intersection of adjacent projections, and on the first surface between the top intersection and the bottom intersection.

Abstract: There is provided a lens module including: a first lens of which both surfaces are convex; a second lens having a meniscus shape concave toward an image; a third lens having a shape convex toward the image; a fourth lens having a meniscus shape convex toward the image; a fifth lens having a meniscus shape concave toward the image; and a stop disposed in front of an object side of the first lens, wherein when SD is a diameter of the stop and f is an overall focal length of the lens module, SD/f<0.45 is satisfied.

Abstract: A method of extracting data from an identifiable monochromatic pattern. The method comprises separating a polychromatic optical signal, received from an object having identifiable monochromatic pattern, into a plurality of wavelength components, separately capturing each of the wavelength components, reconstructing a plurality of images each from a different wavelength component, detecting the identifiable monochromatic pattern in one or more of the images, and extracting data associated with or encoded by the detected identifiable monochromatic pattern. The images have different depths of field.

Abstract: An optical system may include: a first lens having positive refractive power; a second lens having positive refractive power; a third lens having negative refractive power; a fourth lens having positive refractive power; a fifth lens having negative refractive power; a sixth lens having positive or negative refractive power, an image-side surface thereof being concave toward an imaging surface.

Abstract: An edge detection engine operates to scan an image to identify edges within the image. An annular aperture is used to locate the edges in the image. An output image is generated by the edge detection engine that identifies the locations of the edges found in the image.

Abstract: There is provided a lens module including: a first lens having positive refractive power; a second lens having positive refractive power; a third lens having a shape in which an object-side surface thereof is concave; a fourth lens having refractive power; a fifth lens having negative refractive power; and a sixth lens having negative refractive power, having a shape in which an image-side surface thereof is concave, and having at least one point of inflection formed on the image-side surface thereof.

Abstract: A photographing lens assembly includes, 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 and a sixth lens element. The first lens element with positive refractive power has a convex object-side surface. The second lens element, the third lens element and the fourth lens element have refractive power. The fifth lens element with negative refractive power has a convex object-side surface and a concave image-side surface, wherein the surfaces thereof are aspheric, and at least one of the surfaces thereof has at least one inflection point thereon. The sixth lens element with negative refractive power has a convex object-side surface and a concave image-side surface, wherein the surfaces thereof are aspheric, and at least one of the surfaces thereof has at least one inflection point.

Abstract: An optical processor is presented for applying optical processing to a light field passing through a predetermined imaging lens unit. The optical processor comprises a pattern in the form of spaced apart regions of different optical properties. The pattern is configured to define a phase coder, and a dispersion profile coder. The phase coder affects profiles of Through Focus Modulation Transfer Function (TFMTF) for different wavelength components of the light field in accordance with a predetermined profile of an extended depth of focusing to be obtained by the imaging lens unit. The dispersion profile coder is configured in accordance with the imaging lens unit and the predetermined profile of the extended depth of focusing to provide a predetermined overlapping between said TFMTF profiles within said predetermined profile of the extended depth of focusing.

Abstract: An endoscope optical system has a first lens group having positive refractive power, an aperture diaphragm, a second lens group having negative refractive power and a third lens group having positive refractive group, the second lens group moving along an optical axis to perform focusing, the first lens group having a first lens having negative refractive power and a second lens having positive refractive power, and the optical system satisfying the following conditional equation: ?5.0<H(76)*(1?nd01)/r2<?0.2??(1) 0.5<(r1+r2)/(r1?r2)<1.2??(2) where H(76) is a height at which a principal ray having an incidence angle of view of 76 degrees during normal observation passes through a surface on an image side of the first lens, nd01 is a refractive index of the first lens with respect to a line d, and r1 and r2 are respectively curvature radii of surfaces on the object side and the image side of the first lens.

Abstract: A device including a magnetic structure, the magnetic structure having a substrate adjacent surface and a second, opposing surface, the magnetic structure having a near field transducer (NFT), wherein the NFT includes gold or an alloy thereof, and is positioned at the second surface an overcoat structure; and a film structure, the film structure positioned between the magnetic structure and the overcoat structure, the film structure having a total thickness of not greater than about 100 ?, and the film structure including: a first interfacial structure having a first and a second opposing surface; a second interfacial structure having a first and a second opposing surface; and an intermediate structure wherein the first surface of the first interfacial structure is positioned adjacent the NFT of the magnetic structure, and the second surface of the second interfacial structure is positioned adjacent the overcoat structure, and the intermediate structure is positioned between the first interfacial structure an

Abstract: An image forming lens system includes a front lens unit having a positive refractive power, and a rear lens unit, and does not include any other lens unit. The front lens unit includes a first lens unit having a positive refractive power and a second lens unit having a negative refractive power. Each of the first lens unit and the second lens unit includes a positive lens and a negative lens. The second lens unit is a focusing lens unit. The rear lens unit includes a positive lens and a negative lens. The second lens unit is the only lens unit that moves, in the front lens unit, and the following conditional expressions (1) and (2?) are satisfied: 0.5<fFF/f<1.65 ??(1) 0?|f/rG2b|<6.

Abstract: A Fresnel lens including a plurality of sawtooth-shaped projections, with each projection including a first surface at a first angle and a second surface at a second angle. Each first surface has top and bottom edges and each second surface has top and bottom edges. Each projection has a top intersection where the top edge of the first surface intersects the top edge of the second surface. Adjacent projections have a bottom intersection where the bottom edge of the second surface of a first one of the adjacent projections intersects the bottom edge of the first surface of a second one of the adjacent projections. The lens portion is opaque at the top intersection of the projections, at the bottom intersection of adjacent projections, and on the first surface between the top intersection and the bottom intersection.

Abstract: An endoscopic objective lens consists of a negative first lens group, a stop, and a positive second lens group, disposed in order from the object side. The first lens group is composed of a cemented lens formed of a first lens and a second lens with a concave surface on the image side cemented in order from the object side. The second lens group is composed of a positive single third lens and a cemented lens formed of a fourth lens and a fifth lens, either of which being a positive lens and the other being a negative lens, and having a positive refractive power, disposed in order from the object side. The endoscopic objective lens satisfies given conditional expressions related to Abbe numbers of the first and second lenses and radii of curvature of the image side and object side surfaces of the second lens.

Abstract: A lens device is used with an imaging device having a imaging-lens and an aperture stop device. The lens device includes a lens barrel that houses the imaging-lens and the aperture stop device, a first operation ring that is on an outer circumferential portion of the lens barrel and that is rotatable in a circumferential direction of the outer circumferential portion about an axis line of the lens barrel in order to adjust the aperture-area of the aperture stop device, and a second operation ring that is parallel with the first operation ring and is rotatable in the circumferential direction of the outer circumferential portion about the axis line of the lens barrel in order to adjust a transmittance of a variable light transmission filter.

Abstract: A relay lens system for a high dynamic range projector is provided. The relay lens system comprising: a light input; a light output; one or more lenses configured to relay light from the light input to the light output; and, an aperture stop configured to provide a given numerical aperture to the light being relayed through the one or more lenses, the combination of the given numerical aperture and the one or more lenses are configured to introduce a spherical aberration in the light between the light input and the light output, the spherical aberration changing a shape of a pixel in the light from an approximate square shape at the light input to a function having an upper boundary and a lower boundary based on a distance from a centre of the pixel, and a pixel dimension of a dither pattern in the light entering the light input.

Abstract: A relay lens system for a high dynamic range projector is provided. The relay lens system comprises: a light input; a light output; one or more lenses configured to relay light from the light input to the light output; and, an aperture stop configured to provide a given numerical aperture to the light being relayed through the one or more lenses, the combination of the given numerical aperture and the one or more lenses are configured to: introduce a spherical aberration in the light between the light input and the light output; and, suppress one or more of the following in a ray fan plot of the spherical aberration: local maxima and local minima; and, points where a derivative of the ray fan plot is zero.

Abstract: Methods and systems are provided to enable the capture of large (e.g., Gigapixel) images with high image quality using optical imaging systems that have a small form factor. The disclosed systems can be manufactured in a cost effective fashion, and can be readily assembled, aligned, tested and utilized. One such system comprises a monocentric primary optics section that includes one or more surfaces adapted to form a symmetrical arrangement around a common point of origin. The system also includes a secondary optics section that includes a plurality of secondary optics subsections, where each secondary optics subsection can intercept at least a portion of the light collected by the monocentric primary optics section. The combination of the primary optics section and the secondary optics section is adapted to form an image.

Abstract: An imaging lens substantially consists of six lenses of a negative first lens, a negative second lens, a positive third lens, a positive fourth lens, a negative fifth lens and a positive sixth lens in this order from an object side. An object-side surface of the second lens is concave, and an object-side surface of the third lens is concave. A predetermined conditional formula about a combined focal length of the fourth lens and the fifth lens is satisfied.

Abstract: A lens includes: a lens body, including an optical effective part and an extending part, wherein the extending part surrounds a periphery region of the optical effective part, and the extending part has at least one annular surface; and an opaque layer, disposed on the annular surface of the extending part. An optical imaging lens set includes a barrel; and an imaging component is disposed in the barrel. The imaging component includes at least one lens arranged along an optical axis, and one of these lenses is the lens mentioned above. A method for forming a lens forms the opaque layer on the annular surface of the extending part through a stamping method or through an evaporation method.

Abstract: An inner focus lens system comprises, in order from an object side to an image side, a first lens unit, an aperture stop, a second lens unit having a positive refractive power, a third lens unit having a negative refractive power, and a fourth lens unit having a positive refractive power, wherein the first lens unit has at least one negative lens and at least one positive lens, the second lens unit has at least one negative lens and at least one positive lens, the third lens unit has at least one negative lens, the fourth lens unit has at least one positive lens, at the time of focusing on an object at a short distance from an object at infinity, the third lens unit moves to an image side so as to lengthen a distance to the second lens unit and to shorten a distance to the fourth lens unit, and the following conditional expression (1) is satisfied: ?6<f3/f<?1??(1).

Abstract: A display apparatus including a display unit including at least one pixel area and a non-pixel area, the non-pixel area dividing the at least one pixel area; and a metamaterial structure that controls a path of light emitted from the at least one pixel area.

Abstract: The present invention is to provide a multi-ring optical filter assembly, which includes a positioning frame having one end threadedly connected with a front side of a camera lens, a first rotatably connecting frame fixedly provided therein with a first lens (e.g., an ND filter or a polarizer) and provided with a first curved surface adjacent to the other end thereof and extending in an axial direction, an adapter frame provided with a second curved surface adjacent to one end thereof and rotatably connected with the first curved surface, and a second rotatably connecting frame fixedly provided therein with a second lens (e.g., an ND filter or a polarizer) and having one end rotatably connected with the other end of the adapter frame. Thus, the two lenses can be rotated with respect to the camera lens, respectively, for achieving the independent adjustment of the rotation angle of each lens.

Abstract: An imaging lens includes an aperture stop and first to sixth lens elements arranged from an object side to an image side in the given order. Through designs of surfaces of the lens elements and relevant optical parameters, a short system length of the imaging lens may be achieved while maintaining good optical performance.

Abstract: Present embodiments provide for a mobile device and an optical imaging lens thereof. The optical imaging lens comprises six lens elements positioned sequentially from an object side to an image side. Through controlling the convex or concave shape of the surfaces and/or the refracting power of the lens elements, the optical imaging lens shows better optical characteristics and the total length of the optical imaging lens is shortened.

Abstract: Embodiments relate to an image pickup lens including a first lens having both convex surfaces, a second lens in the form of a positive meniscus lens and a third lens in the form of a negative meniscus lens, the first lens to the third lens being arranged in sequence from an object side to an image side. The first lens to the third lens are formed of the same material.

Abstract: Provided is a concentration ratio controlling apparatus for concentration type solar cells. The concentration ratio controlling apparatus may include a first condensing unit to primarily concentrate quantity of light that is irradiated from a light source; a second condensing unit disposed between a lower portion of the first condensing unit and a solar cell to secondarily concentrate the quantity of light that has passed through the first condensing unit and thereby irradiate the secondarily concentrated light toward the solar cell; an adjustment unit disposed in an optical path between the light source and the first condensing unit to adjust a concentration area of the first condensing unit based on an external force, and thereby adjust the quantity of light that is concentrated by the first condensing unit; and a control unit to analyze an input signal and thereby supply a corresponding drive control signal to the adjustment unit.

Abstract: The present invention relates to an imaging lens, the imaging lens including , in an ordered way from an object side, a first lens having positive (+) refractive power, a second lens having negative (?) refractive power, a third lens having positive (+) refractive power, a fourth lens having positive (+) refractive power, and a fifth lens having negative (?) refractive power, wherein an aperture is interposed between the first and second lenses, and the imaging lens meets a conditional expression of 20<V2<30 and 50<V3,V4,V5<60, where Abbe' number of second lens is V2, Abbe's number of third lens is V3, Abbe's number of fourth lens is V4, and Abbe's number of fifth lens is V5.

Abstract: Disclosed herein is an imaging lens, including: a first lens having positive (+) power and being biconvex; a second lens having negative (?) power and being concave toward an image side; a third lens having positive (+) power and being biconvex; a fourth lens having positive (+) power and being convex toward the image side; and a fifth lens havign negative (?) power and being concave toward the image side, wherein the first lens, the second lens, the third lens, the fourth lens, and the fifth lens are sequentially disposed from an object side.

Abstract: There is provided a lens module, including: a first lens having positive refractive power, an object-sided surface thereof being convex; a second lens having negative refractive power, an image-sided surface thereof being concave; a third lens having positive refractive power; a fourth lens having negative refractive power, an image-sided surface thereof being convex; and a fifth lens having negative refractive power, an image-sided surface thereof being concave, wherein the fourth lens satisfies Conditional Expression 1, f4/f<?3.0??[Conditional Expression 1] where f is an overall focal distance of an optical system and f4 is a focal distance of the fourth lens.

Abstract: A lens and aperture device for determining 3D information. An SLR camera has a lens and aperture that allows the SLR camera to determine defocused information.