Abstract: An imaging lens module includes a plastic barrel, an optical lens assembly and a glue material. The plastic barrel includes an outer object-end surface, an outer image-end surface and an inner tube surface. The inner tube surface connects the outer object-end surface and the outer image-end surface, and includes a plurality of parallel inner surfaces. A plurality of stripe structures are disposed on and protruded from at least one of the parallel inner surfaces, wherein the stripe structures are regularly arranged along a circumferential direction of the parallel inner surface. The optical lens assembly includes a plurality of optical elements disposed in the plastic barrel and arranged along the optical axis, wherein an outer annular surface of at least one of the optical elements is disposed correspondingly to the stripe structures. The glue material is applied among the outer annular surface and the stripe structures.

Abstract: An optical device mount is made largely as a single unitary, continuous, and monolithic piece of material. The single-material piece for optical mount includes a frame, a pair of overlapping plates that secure an optical device (an optic) such as a lens or mirror, and flexures that couple the plates to each other and to the frame, so as to allow tilt of the optical device relative to the frame in multiple directions. The optical device mount may include tilt adjustment mechanisms for adjusting the tilt in the multiple directions, for example by putting forces on the plates and/or frame that cause flexing at the flexures, thereby tilting the optical device. The material for the single piece of the optical mount may be any of a variety of suitable materials, such as metals, polymers, or other suitable materials.

Abstract: A lens includes a lens body comprising a cylindrical surface along an optical axis direction and a fixed portion radially outwardly protruding from the lens body, comprising a diameter diminishing more and more from an image side toward a subject side along an optical axis of the lens body, and including an inclined surface contiguous to the cylindrical surface of the lens body.

Abstract: A threaded member has a discontinuous helical thread ridge 15 on which a plurality of dividing portions 14 are formed in the middle. At least one of the discontinuous portions of the thread ridge 15, which is interposed between the dividing portions 14, is a locking portion 18 which is configured such that a flank angle of one flank, out of flanks on both sides of the thread ridge 15, is smaller than a flank angle of a flank corresponding to a basic ridge profile and at least part of the flank is disposed on an outside of the flank corresponding to the basic ridge profile.

Abstract: A manufacturing method of an optical unit for endoscope includes: a process of fabricating a plurality of element wafers each including an optical element having an optical path portion and a spacer portion; a first adhesion process of fabricating a laminated wafer by adhering the element wafers with a first adhesive portion composed of a solid first adhesive disposed in a gap between the spacer portions; a second adhesion process of fabricating a bonded wafer by injecting a liquid second adhesive in the gap between the spacer portions; a curing process of performing curing treatment on the second adhesive; and a process of cutting the bonded wafer.

Abstract: Provided is an optical device including an object-side body portion to and from which an eyepiece-side support member supporting an eyepiece system optical component can be attached and removed; an objective system optical component supported on the object-side body portion; a housing section that houses at least a portion of the eyepiece-side support member; a manipulation member by which a rotation manipulation is performed on the housing section; a following member that is driven and displaced by the manipulation member being rotated; and a gripping member that has at least a portion thereof arranged inside the housing section and grips the eyepiece-side support member when the following member is displaced. The manipulation member rotates freely relative to the following member when a gripping force exerted on the eyepiece-side support member by the gripping member reaches a prescribed value.

Abstract: An imaging device may include a housing and a pair of lenses mounted in the housing. A mechanism maintains the lenses in a horizontal orientation when the housing is rotated about an imaging axis.

Abstract: A lithography apparatus and device manufacturing methods are disclosed. A lithography apparatus includes a support stage, and a measurement system including a sensor part and a reference part, the measurement system being configured to determine the position and/or orientation of the support stage, or of a component mounted on the support stage, relative to a reference frame by using the sensor part to interact with the reference part, wherein: the reference frame comprises N sub-frames coupled together so as to behave predominantly as a single rigid body with respect to vibrations below a first reference frequency and predominantly as an N-body system with respect to vibrations above a second reference frequency, where N is an integer greater than 1.

Abstract: There is provided a lens element which can maintain an accuracy of the axis alignment between the lens elements and effectively suppress occurrence of ghosting and flares, and an imaging lens unit including such lens element. The fourth lens element 40 of the imaging lens unit 1 integrally comprises a lens portion 41 and an edge portion 42 surrounding the lens portion. The edge portion 42 is provided with an annular step portion 43 as an abut portion for axis alignment with a third lens element 30, and a light shielding portion 46 formed of vapor-deposited films are provided at the annular step portion 43.

Abstract: An electronic device includes a housing having a first face that faces a first direction and a second face that faces a second direction which is opposite the first face, in which the first face is formed to have an at least partially transparent portion and at least one opening formed adjacent to the at least partially transparent portion; a camera located within the housing and including an image sensor that faces the first direction through the at least partially transparent portion in the housing; an acoustic component structure including a space that is at least partially formed between the camera and the second face of the housing and connected to the at least one opening, and at least one vibrating structure that is located in the space and is movable in the first direction or the second direction to generate sound; a circuit that is located within the housing and is electrically connected to the acoustic component structure to provide a sound-associated signal to the acoustic component structure; and

Abstract: An optical apparatus includes an optical component, a support mechanism configured to support the optical component, a manipulation mechanism configured to manipulate the optical component while contacting the optical component such that a state of the optical component is changed. The optical component is changed by the manipulation mechanism from a first state in which the optical component is supported by the support mechanism to a second state in which the optical component is supported by the manipulation mechanism.

Abstract: A camera for a vehicular vision system includes a camera housing, a PCB having circuitry disposed thereat, and a lens assembly. The circuitry includes an imager disposed at one side of the PCB, and the circuitry includes connecting terminals that protrude from the circuit board. The PCB is disposed in the camera housing and retained thereat via a fastener. The camera housing is open at a rear portion, and a sealing material is dispensed in the camera housing to seal the PCB and the connecting terminals in the camera housing. An electrical connector receives the connecting terminals and is disposed at an outer portion of the sealing material at the rear of the camera housing. The sealing material includes a thermally conductive resin and is dispensed in the camera housing in an uncured state. The sealing material, when cured, attaches the electrical connector at the rear portion of the camera.

Abstract: A lens moving apparatus includes a bobbin on which a first coil is disposed, a first magnet disposed around the bobbin to face the first coil, and a housing, which is disposed to surround at least a portion of the bobbin and has a first magnet mounting seat, which receives the first magnet, wherein the housing is provided with an adhesive inlet, which allows a side portion of the first magnet mounting seat to communicate with an outside surface of the housing.

Abstract: An optical lens assembly is disclosed, which including a lens unit and a holder, wherein the lens unit includes at least a front lens and a rear lens, and the holder includes a positioning portion and a holding portion extended downwardly the positioning portion, wherein the positioning portion and the holding portion are integrated with each other, wherein the holding portion forms a light chamber for holding the lens unit therein, wherein the light chamber allows imaging lights to enter thereinto and pass through the lens unit, wherein the positioning portion is sealed on the outer surface of the front lens along the outer periphery of the front lens.

Abstract: An optical lens assembly includes at least two lens elements and at least one light blocking sheet. Each of the lens elements includes a connecting structure for aligning the two lens elements. Each of the connecting structures includes a connecting surface and a circular conical surface, and a receiving space is formed between the two lens elements. A vertical distance between the receiving space and an optical axis is shorter than a vertical distance between each circular conical surface and the optical axis. The light blocking sheet is received in the receiving space and has a polygonal opening, and an outside diameter of the light blocking sheet is smaller than or equal to a minimum diameter of each circular conical surface.

Abstract: A lens driving apparatus with a lens portion having at least one lens, a base portion on which an image sensor detecting light coming through said lens portion can be fixed, a driving portion capable of relatively moving said lens portion in a vertical direction to a light axis of said lens portion and in a parallel direction to the light axis of said lens portion with respect to said base portion, and at least three suspension wires connecting a focus portion including said lens portion and said base portion so as to allow a relative movement. The suspension wires are arranged outside a magnet of said driving portion along the vertical direction to the light axis.

Abstract: A lens arrangement for an optical unit operating in a predetermined spectral range, includes at least two lenses (11-14, 114) of material, which transmits in the spectral range, and a common casing (15), in which the lenses are arranged sequentially. The lenses are at least substantially aligned radially, axially and angularly inclined relative to a common optical axis. Adjacent lenses in the sequence are mounted to allow relative movement therebetween. Abutment faces (2) of the lenses rest against one another. An elastic tensioner (21) pretensions the sequence of lenses in the axial direction. Only one of the lenses (11) in the sequence is axially aligned by way of the common casing. Only a portion of the lenses (11, 114) in the sequence are radially aligned by the common casing; the remaining lenses are aligned with respect to one another by the abutment faces of the respectively adjacent lenses.

Abstract: The invention relates to an optical zooming system for use on fusion splicers. The system may include a lens, camera, and a zooming mechanism, which allows the camera and the lens to move relative to each other. The zooming mechanism may be set to a “zoom out” configuration for aligning the cores of fibers. The zooming mechanism may also be set to a “zoom in” configuration for adjusting fibers with a large diameter.

Abstract: A lens driving apparatus with a lens portion having at least one lens, a base portion on which an image sensor detecting light coming through said lens portion can be fixed, a driving portion capable of relatively moving said lens portion in a vertical direction to a light axis of said lens portion and in a parallel direction to the light axis of said lens portion with respect to said base portion, and at least three suspension wires connecting a focus portion including said lens portion and said base portion so as to allow a relative movement. The suspension wires are arranged outside a magnet of said driving portion along the vertical direction to the light axis.

Abstract: A lens array of an embodiment comprises: a plurality of lenses arranged along an optical axis direction between an object and an image forming plane; a first spacer placed among the plurality of lenses; and an elastic member placed between the lower surface of the first spacer and an upper surface of at least one lens between first and second lenses, which have different widths, face the lower surface of the first spacer, and are arranged side by side along the optical axis direction among the plurality of lenses.

Abstract: An image focus alignment structure includes a base, a lens barrel, a first sealant layer and a second sealant layer. The base has a first installation portion and a second installation portion. The lens barrel is disposed on the base. The first sealant layer is for fixing a partial barrel body of the lens barrel on the first installation portion. The second sealant layer is for fixing another partial barrel body of the lens barrel on the second installation portion.

Abstract: An optical apparatus including a light combining optical apparatus that combines color light fluxes modulated by a first and a second light modulators with each other includes an inorganic polarizer disposed on the light exiting side of the first light modulator, a transparent substrate that is in contact with the inorganic polarizer and transmits light, a supporting section that supports the first light modulator and is attached to the light combining optical apparatus, and a clamping section that clamps, along with the supporting section, the inorganic polarizer and the transparent substrate. The clamping section includes a engaging section that engages with the supporting section and an urging section that urges the inorganic polarizer toward the transparent substrate when the engaging section engages with the supporting section, and the supporting section has a receiving section that receives the transparent substrate pressed by the urging section.

Abstract: A compound lens and a related method of manufacture are provided. The compound lens includes a first lens element and a second lens element such that a light emitting surface of the first lens element is integrally joined to a light receiving surface of the second lens element, the first and second lens element being in optical alignment with each other. The first and second lens element are molded from optical grade silicone and can achieve complex illumination objectives not possible with single lens constructions. The method of manufacture includes injecting a silicone resin molding compound into a mold cavity having the desired shape of the compound lens. The method of manufacture can include over-molding a lens holding member onto the compound lens and adding electro-optically active particles to a surface of the compound lens or to the silicone resin forming the compound lens.

Abstract: A projector includes a light modulation device; a projection lens; a hermetic housing; a projector housing containing the hermetic housing; a heat exchanger; an air guide wall being located in the hermetic housing and partitioning the air guide passage from a main space containing the light modulation device, the air guide wall including: a communication part adjoining the heat exchanger and providing communication between the air guide passage and the main space, and an opening functioning as an inlet for guiding air from the main space into the air guide passage after the air has passed through the heat exchanger; and a fan located at the inlet so as to introduce the air in the main space into the air guide passage, to guide the air in the air guide passage to the communication part, and to blow the air from the communication part to the heat exchanger.

Abstract: An optical lens assembly includes at least two lens elements and at least one light blocking sheet. Each of the lens elements includes a connecting structure for aligning the two lens elements. Each of the connecting structures includes a connecting surface and a circular conical surface, and a receiving space is formed between the two lens elements. A vertical distance between the receiving space and an optical axis is shorter than a vertical distance between each circular conical surface and the optical axis. The light blocking sheet is received in the receiving space and has a polygonal opening, and an outside diameter of the light blocking sheet is smaller than or equal to a minimum diameter of each circular conical surface.

Abstract: An optical assembly has an optical element mounted in the cavity of a barrel. A flexible ring is in contact with one of the surfaces of the optical element. The flexible ring has ring threads engaging barrel threads within the cavity. The flexible ring has a biased state in which the ring threads press against the barrel threads, and is resiliently deformable to a compressed state allowing screwing of the flexible ring within the cavity. In one variant, multiple subassemblies each having an optical element and a flexible ring are provided in the cavity of a barrel. The optical elements of subassemblies subsequent to the first one are supported by the flexible ring of the previous subassembly. The pressing of the ring threads against the barrel threads prevents a lateral shift of the flexible ring within the cavity, eliminating the decentering observed with conventional retaining rings.

Abstract: A lens module includes a lens barrel having a first bonding surface; a first lens received in the lens barrel and having a second bonding surface which is a side surface of the first lens. At least one of the first bonding surface and the second surface is uneven, and the first bonding surface and the second surface are glued by adhesive. The first bonding surface and the second surface and the adhesive form a gluing structure.

Abstract: An imaging device has a lens holding member; a base member for holding the lens holding member; and a substrate to which the base member is secured. The lens holding member holds at least one lens. The base member has a contact surface that is perpendicular to an optical axis of the lens, and contacts an end face of the lens holding member in a state wherein the lens holding member is held; and an opening portion through which passes the optical axis of the lens, provided in the contact surface. The substrate has an imaging element on which light that has passed through the lens and through the opening portion of the base member is incident.

Abstract: An adjustable multiple-ring polarizing neutral-density filter assembly with an elastic engaging member for axial ring securement includes a fixedly connecting ring and a first pivotally connecting ring. The fixedly connecting ring is mounted with a polarizing lens and has a first end threadedly connectable to a camera lens and an opposite second end axially provided with a receiving groove. The elastic engaging member is mounted in the receiving groove and has a free end extending out of or forced into the receiving groove. The first pivotally connecting ring is mounted with another polarizing lens and has one end pivotally connected to the second end of the fixedly connecting ring and circumferentially provided with an engaging portion. The free end of the elastic engaging member can press against the bottom wall of any of the engaging recesses in the engaging portion to maintain the corresponding light-reducing effect while being shaken.

Abstract: A machine learning device acquires decision data including an adjustment time of a position and an orientation of an optical part and a state of light measured by a light measurement device. The machine learning device includes a learning unit that learns a procedure for adjusting the position and the orientation of the optical part. The learning unit includes a reward calculation unit that calculates a reward based on the alignment adjustment time and the state of light, and a value function updating unit that updates a value function based on the reward. The learning unit includes a decision unit that sets a movement method of the optical part based on the value function.

Abstract: An optical fingerprint recognition sensor package, which comprises a carrier, at least one image sensor, at least one light emitting diode, a first molding compound and at least one second molding compound is provided. The image sensor is disposed on the carrier and being electrically connected thereto. The at least one light emitting diode is peripherally surrounding the image sensor for providing at least one light source. The first molding compound made of infrared material is configured to be adjacent to the image sensor to hinder ambient lights from interfering with the image sensor. The second molding compound made of colored silicone is disposed over the light emitting diode to provide lighting path for the light source. By employing the proposed present invention, interferences from the ambient lights with the image sensor can be effectively avoided, thus increasing the accuracy and precision of the sensing results.

Abstract: A vehicle includes a sensor unit, a body, a camera, a display, and a controller. The sensor unit obtains sensor data pertaining to conditions pertaining to the vehicle. The camera is mounted on the body, and includes a lens. The display is disposed within the body, and provides images from the camera. The controller is configured to at least facilitate rotating the lens, based at least in part on the one or more conditions, between a first position and a second position. When in the first position, the lens has a first focal length, resulting in images for the display with a first field of view. When in the second position, the lens has a second focal length that is shorter than the first focal length, resulting in images for the display with a second field of view that is wider than the first field of view.

Abstract: The present disclosure provides an optical lens including a lens barrel, a lens group and a metal light shading component accommodated in the lens barrel, the lens barrel includes a first barrel wall and a second barrel wall which is bended and extends from the first barrel wall, the first barrel wall has a first light aperture, the lens barrel has an adhesive accommodating slot, which is filled with a magnetic adhesive for absorbing the metal light shading components. Based on an optical lens of the prior art, the metal light shading component is provided, and further the adhesive accommodating filled with a magnetic adhesive is provided to fix the metal light shading component via magnetic force. Such assembly is detachable, such that the components can be assembled section by section, so as to further facilitate the assembly process and improve imaging effect of the optical lens.

Abstract: An optical element module includes an optical element unit and a support structure. The optical element module includes an optical element. The support structure includes a support device and a contact device connected to the support device. A surface of the contact device contacts a surface of the optical element unit and exerts a holding force on the optical element unit along a holding force direction.

Abstract: A lens assembly according to an embodiment of the present invention comprises: a housing; a lens received in the housing; a retainer which is coupled to one end of the housing and supports the lens; and a hydrophilic coating layer formed on one surface of the lens and on the retainer.

Abstract: Kinematic mounts have three points having zero degree of freedom, one degree of freedom, and two degrees of freedom, respectively. As viewed from a direction perpendicular to a plane containing the three points, an extension of an entrance optical axis of a laser beam to an amplifying apparatus or an extension of an exit optical axis from the amplifying apparatus is oriented to the point with the zero degree of freedom. A translational direction of the point with the one degree of freedom is oriented to the point with the zero degree of freedom. One of the extension of the entrance optical axis and the extension of the exist optical axis passes on a side closer to the point with the two degrees of freedom with respect to a side of the point with the one degree of freedom.

Abstract: Provided is a driving apparatus including a motor housing supported by an elastic member, which is capable of suppressing tooth skipping due to an unmeshed state of a gear in order to achieve further reduction of vibration and noise. The driving apparatus includes: a driving unit including a motor; an elastic member being in contact with driving unit; a fixing member configured to fix driving unit through intermediation of elastic member; a first gear configured to transmit rotational driving force of motor for driving; a second gear to be meshed with first gear; and a regulating member configured to be spaced apart from a rotary shaft of second gear when the rotary shaft is at a first position, and to come into contact with the rotary shaft when the rotary shaft is at a second position through displacement from first position, to thereby regulate the rotary shaft.

Abstract: Some embodiments disclosed herein relate to a lens component having one or more lenses attached to a retainer portion configured to removably attach to communication devices such as mobile phones, tablet computers, media players, and the like. The retainer portion may be configured so as not to interfere with a user's view of a display panel of the communication device. In some embodiments, a plurality of lenses may be provided, and the lenses may be removably attached to the retainer portion and may be interchangeable. A structure for providing a flash may also be provided. In some embodiments, additional features may be provided, such as attachment components to facilitate attachment to stability devices, such as tripods, and to user-wearable accessories.

Abstract: An optical element unit including a first optical element module and a sealing arrangement is disclosed. The first optical element module occupies a first module space and includes a first module component of a first component type and an associated second module component of a second component type. The first component type is optical elements and the second component type being different from the first component type. The sealing arrangement separates the first module space into a first space and a second space and substantially prevents, at least in a first direction, the intrusion of substances from one of the first space and the second space into the other one of the first space and the second space. The first module component at least partially contacts the first space and, at least in its area optically used, not contacting the second space. The second module component at least partially contacts the second space.

Abstract: A lens apparatus includes a can ring for moving an optical member in an optical axis direction by rotating about an optical axis relative to a fixed barrel. One end surface of the cam ring in the optical axis direction is in contact with a first ball array, while an opposite end surface of the cam ring in the optical axis direction is in contact with a second ball array, the first ball array is rotatably held by and between a ring member movable in the optical axis direction and the one end surface, the second ball array is rotatably held by and between a cap member fixed to the fixed barrel and the opposite end surface, and the ring member is biased by an elastic member toward the cam ring, and the cam ring is thereby biased toward the cap member.

Abstract: Interlocking first member and optical members and methods of their manufacture. A component formed from an interlocking first member and optical member, where the first member includes a recess formed within a surface and the optical member is disposed in the recess. The recess of the first member may include a recess geometry and the optical member may include a member geometry that may correspond to the recess geometry. Additionally, the interlocking component formed from the first member and optical member may be formed by a coupling process. The coupling process may include sintering the first member and the optical member, bonding the optical member to the first member or providing a compression-load or fit between the first member and the optical member.

Abstract: A six-piece optical lens for capturing image and a six-piece optical module for capturing image are provided. In the order from an object side to an image side, the optical lens along the optical axis includes a first lens element with refractive power, a second lens element with refractive power, a third lens element with refractive power, a fourth lens element with refractive power, a fifth lens element with refractive power and a sixth element 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: The optical lens 10 having an optical function portion 12 having optical functions; and a flange portion 14 formed around the optical function portion 12. The flange portion 14 has, on a side surface thereof, a cut section 42 which is formed by cutting a gate portion 16. In a case where the following are viewed from the optical axis direction of the optical lens 10, a thinnest portion 18 in a region 44 surrounded by lines L1 and L2, which respectively connect both ends 42a and 42b of the cut section 42 to the optical axis center O of the optical lens 10, and a line L3, which connects both ends 42a and 42b, is present in the optical function portion 12. The flange portion 14 has a concave portion 40 outside the region 44.

Abstract: A method for attaching camera filters and other light transmissive elements using flexural rigidity. A flexion arm enables coupling with cameras and other devices in areas non-proximate to a lens. A frame conjoined with the flexion arm enables attachment of the camera filter to a camera lens or lens housing.

Abstract: An opto-mechanical assembly including a housing and an internally supported optical element, such as a lens, mounted along an axis. At least one of the housing and optical element includes a radially extending chamber. Adhesive disposed in the chamber interacts with the housing and the optical element to prevent axial motion between the optical element and housing.

Abstract: An imaging lens including a lens group, a lens barrel and at least one light shading plate; the lens barrel includes first barrel wall forming light aperture, second barrel wall which is bended and extends from first barrel wall, internal wall and external wall, N clamping positions are provided in circumferential direction on internal wall, each clamping position includes M equally spaced bosses on internal wall; surface of boss toward first barrel wall is supporting surface, horizontal height of boss in same clamping position are identical but different from horizontal heights of bosses in other clamping positions; M clamping slots configured to fit bosses in any clamping position at the same time and avoiding slots configured to accommodate bosses in remaining clamping positions, which are equally spaced, are provided in circumferential direction on light shading plate spaced from adjacent lens located at a side of first barrel wall.

Abstract: The disclosure provides a positioning unit for an optical element in a microlithographic projection exposure installation having a first connecting area for connection to the optical element, and having a second connecting area for connection to an object in the vicinity of the optical element.

Abstract: A six-piece optical lens for capturing image and a six-piece optical module for capturing image are provided. In the order from an object side to an image side, the optical lens along the optical axis includes a first lens element with refractive power, a second lens element with refractive power, a third lens element with refractive power, a fourth lens element with refractive power, a fifth lens element with refractive power and a sixth element 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 optical lens assembly includes at least one lens element, which is a dual molded lens element. The dual molded lens element includes a light transmitting portion and a light absorbing portion. The light absorbing portion is annular and surrounds a central axis, wherein a plastic material and a color of the light absorbing portion are different from a plastic material and a color of the light transmitting portion, the dual molded lens element is made by an injection molding method and formed integrally, the light absorbing portion includes a plurality of second inner strip-shaped structures, the second inner strip-shaped structures are regularly arranged along a circumferential direction of the central axis, and the second inner strip-shaped structures are disposed correspondingly to and connected to a plurality of first inner strip-shaped structures.

Abstract: Provided are an light scanning device capable of adjusting the position of optics and an image forming apparatus including the light scanning device. The light scanning device includes first and second light sources configured to emit first and second light beams, respectively; optics including first and second lenses for transmitting the first and second light beams therethrough and a lens holder configured to support the second lens; and a housing configured to support the first and second light sources and the optics, wherein the first and second light sources and the first lens are supported to be fixed to the housing, and the second lens is supported to be able to move with respect to the first lens.