Abstract: A replacement apparatus for an optical element mounted between two adjacent optical elements in a lithography objective has a holder for the optical element to be replaced, which holder can be moved into the lithography objective through a lateral opening in a housing of the same.

Abstract: A light source module includes a shell, a fixed ring, an optical element, a first cover and a light-emitting element. The shell is formed as a tubular shape. The fixed ring, the optical element and the light-emitting element are all received in an inside of the shell, and the first cover is disposed at an end of the shell. In addition, the shell has a first stop part disposed in the inside of the shell, the optical element is disposed between the first stop part and the fixed ring, and the optical element is leant against the first stop part and the fixed ring. The light-emitting element is disposed between the fixed ring and the first cover, and is leant against the fixed ring and the first cover. A projection device using the source light module is also provided.

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 holding frame of a lens unit has a frame main body of a cylindrical shape, which corresponds to the shapes of lenses. A protruding part is provided at a front end of the frame main body. The protruding part protrudes to the inside of the frame main body. The thickness of the protruding part is the same as that of a flange portion of a first lens. When the first lens is fitted into a space formed by the protruding part, a front surface of the flange portion of the first lens is flush with a front surface of the protruding part. A first light shielding film, which functions as an aperture stop, is affixed to at least one of the flange portion of the first lens and the front surface of the protruding part.

Abstract: A lens array which facilitates the alignment of optical axes of light source elements with optical axes of lenses, a light source device that employs this lens array, a projector that employs this light source device and a light source device fabrication method are provided. A lens array 73 is an integrated assembly of a plurality of lens portions 73b which collect individually light from a plurality of light source elements and has cylindrical portions 73c for positioning the plurality of light source elements on a light entrance side of the individual lens portions 73b.

Abstract: Disclosed are an apparatus for fabricating a lens. The apparatus for fabricating a lens includes a molding frame to receive a source material injected through an injection port, and a light source or a heat source to irradiate a light or a heat onto the source material in the molding frame. The molding frame includes a plurality of molding grooves adjacent to each other and at two connection passages to connect the molding grooves to each other.

Abstract: A chip substrate includes: a conductive layer being stacked in one direction and constituting a chip substrate; an insulator being alternately stacked with the conductive layer and electrically separating the conductive layer; and a lens insert having: a depression reaching down to a predetermined depth from a specified area of an upper surface of the chip substrate overlapping with the insulator; and a predetermined number of sides on the upper surface wherein arcs are formed at regions where the sides are met with each other. Since the space for inserting a lens can be formed to have a shape comprising straight lines, and a lens to be inserted can also be manufactured in a shape comprising straight lines, therefore the manufacturing process for a lens to be inserted into the chip substrate can be further simplified.

Abstract: An opto-mechanical device, such as a lens cell, includes a housing having an axially extending chamber and an intermediate internal spacer that positions a sharp-edged lens in the chamber. The sharp-edged lens has first and second optical surfaces that intersect in a circumferential sharp edge. The housing positions an image sensor proximal to the sharp-edged lens for processing light therefrom.

Abstract: A firearm sight including a base coupled to a firearm receiver. The base includes a body having opposed side defining a void therebetween. A sight housing having an end coupled to the base and an opposing end carrying a sight structure. The end coupled to the base is bifurcated with spaced apart furcated portions defining a central gap therebetween. A threaded support member extends transversely between the opposed side portions and concurrently through apertures formed through the furcated portions. A wheel member has a threaded bore and is received on the threaded support member between the furcated portions within the central gap. Rotation of the wheel member moves the sight housing laterally between the opposed sides of the base.

Abstract: Noise produced during phase-difference changes is minimized without decreasing the responsiveness of a vibration-wave motor. A lens-side MCU (15) for a lens barrel (10) controls a drive apparatus (14) that applies a drive voltage to the vibration-wave motor (12) by outputting an A-phase drive signal and a B-phase drive signal thereto. The lens-side MCU (15) uses, for example, a drive-voltage setting unit (152) and a duty-cycle change unit (153) to change the drive voltage. Also, the lens-side MCU (15) is provided with a phase-difference change unit (154) that changes the phase difference between the A-phase drive signal and the B-phase drive signal. When driving the vibration-wave motor (12), the lens-side MCU (15) changes the drive voltage to Vreg, and when the phase-difference change unit (154) is changing the aforementioned phase difference, the drive voltage is changed to V1, V1 being greater than zero and less than Vreg.

Abstract: A metal mold including: a first inner metal mold which forms a first lens surface and a first flat surface portion of a lens; a first outer metal mold which forms a second flat surface portion; a second inner metal mold which forms a second lens surface and a third flat surface portion; and a second outer metal mold which forms a fourth flat surface portion, and wherein a first protruded portion which forms a first concaved portion on the lens is formed all around an outer periphery of the first inner metal mold, the first concaved portion serving as clearance for a burr, and a second protruded portion which forms a second concaved portion on the lens is formed all around an outer periphery of the second inner metal mold, the second concaved portion serving as clearance for a burr.

Abstract: An electronic device may include a camera module. Control circuitry within the electronic device may use an image sensor within the camera module to acquire digital images. The camera module may have lens structures that are supported by lens support structures such as a lens barrel and lens carrier. An actuator such as a voice coil motor may control the position of the lens support structures relative to internal support structures such as upper and lower spacer members. Springs may be used to couple the lens support structures to the internal support structures. Outer wall structures in the camera module such as a ferromagnetic shield structures may surround and enclose at least some of the internal support structures. The outer wall structures may have openings. The internal support structures may have pins or other alignment structures that protrude through the openings.

Abstract: Lens alignment apparatuses, methods and optical devices are disclosed. In accordance with various embodiments, a lens alignment apparatus may include at least one lens element positioned in a lens body. A lens alignment interface coupled to the lens element may be configured to permit the lens element to be angularly deflected relative to an axis of symmetry of the lens body. In other embodiments, a method of improving the resolution of an optical device may include translating a lens along an optical axis to maximize resolution at a first location, and determining a resolution in a second location in the imaging plane. The resolution in the second location may be improved by angularly deflecting the lens, and the position of the lens may then be fixed.

Abstract: An optical element unit is provided comprising an optical element group for projecting light along an optical axis of the optical element group and a housing having an inner housing part partly defining a first space and a light passageway between the inner housing part and a second space. The inner housing part receives the optical element group. The optical element group comprises an ultimate optical element located in the region of the light passageway. A load-relieving device is provided adjacent to the ultimate optical element, the load relieving device partly defining the first space and the second space and at least partly relieving the ultimate optical element from loads resulting from pressure differences between the first space.

Abstract: A lens module and a speaker module are provided. The lens module includes a lens stand, a base and a shape memory alloy. The shape memory alloy connects the lens stand and the base. The speaker module includes a speaker unit, a box and a shape memory alloy. The box has a rear wall and an opening. The shape memory alloy connects the speaker unit and the rear wall.

Abstract: An optical system includes a lens assembly and a light source. The lens assembly includes an optical lens positioned to transmit and refract light provided by the light source, and a lens holder coupled to the optical lens and maintaining a position of the optical lens relative to the light source. The optical lens is coupled to the lens holder with a bonding agent arranged in an interrupted configuration at positions proximate to a circumference of the optical lens. The light source provides light to the optical lens of the lens assembly. The light provided to the optical lens has an optical footprint that includes a plurality of high-intensity regions separated from one another by low-intensity regions and the bonding agent is positioned in a circumferential orientation relative to the light source such that the bonding agent is spaced apart from the high-intensity regions of the optical footprint of the light.

Abstract: An imaging engine includes a multi-functional structure. This structure functions as an optics barrel. In other words, at least one lens is positioned within the structure. In addition, the structure functions as an attachment/mounting apparatus for an image sensor board, an illumination board, and possibly an illumination/targeting lens structure as well. The structure may also provide a mechanism for attaching/mounting the imaging engine to another structure, such as the housing of a graphical code reader.

Abstract: A MEMS based alignment technology based on mounting an optical component on a released micromechanical lever configuration that uses multiple flexures rather than a single spring. The optical component may be a lens. The use of multiple flexures may reduce coupling between lens rotation and lens translation, and reduce effects of lever handle warping on lens position. The device can be optimized for various geometries.

Abstract: The subject matter disclosed herein relates to an optical module that includes a plurality of lenses and an electromagnetic actuator to adjust a zoom level or focus of the optical module.

Abstract: Lens assemblies including a substrate and a plurality of mechanically isolated lenses coupled to the substrate are disclosed. The substrate may have a low coefficient of thermal expansion. Optical connectors including the lens assemblies described herein, as well as methods of fabricating a lens assembly, are also disclosed. In one embodiment, a lens assembly includes a substrate having a first surface, and a lens layer including a plurality of lenses. A coefficient of thermal expansion of the substrate is different from a coefficient of thermal expansion of the plurality of lenses. The lens layer is coupled to the first surface of the substrate, and each lens of the plurality of lenses is mechanically isolated from adjacent lenses of the plurality of lenses by gap regions within the lens layer.

Abstract: A lens adapter is provided, comprising a cylindrical base, one end of the base is provided with a first mounting seat for connecting with a lens and a manual aperture controlling ring sheathed on the base, the other end of the base is provided with a second mounting seat for connecting with a camera. The lens adapter also comprises an adjusting mechanism connected to a lens aperture controlling rod and the manual aperture controlling ring. The manual aperture controlling ring is adjusted by the adjusting mechanism to make the rotation angle of the manual aperture controlling ring linearly proportional to the size variation of the lens aperture. The lens adapter allows the rotation angle of the manual aperture controlling ring linearly proportional to the size variation of the lens aperture in a manner of synchronously changing, thus facilitating the user to control the lens aperture.

Abstract: The present invention provides a lens driving device having a component for limiting a movement amount generated during impacting, wherein an impact force is alleviated by utilizing the component for limiting the movement amount, so that a driving coil can be prevented from falling off, and the damage to the leaf springs can be alleviated. The leaf springs formed into a cantilever beam structure as the damper for alleviating the impact in the vertical direction and the planar direction are arranged between the lower fixing body and the upper fixing body, and the impact force can be alleviated by utilizing first projection parts and second projection parts projected out from the lens support, and the existing structure does not need to be greatly changed.

Abstract: The present invention provides a display device including: a plurality of display panels including display areas, and non-display areas positioned alongside the display areas; an optical member having one side connected to a part of one of the display areas and an opposing side extending over an adjacent non-display area, the optical member configured to magnify an image from the part of one of the display areas and to project the magnified image over the adjacent non-display area. A multi panel display device according to the exemplary embodiment of the present invention may prevent the phenomena of image discontinuity and image distortion at edges between the display panels, and adjust a polarization characteristic to provide a high-quality large screen capable of implementing a 3D image and the like.

Abstract: There are provided a lens that is molded with high accuracy and a method of molding the lens. The lens has an optical axis and includes a pair of optical functional surfaces on front and rear surfaces thereof. The lens includes an optical functional portion that includes the pair of optical functional surfaces, an edge portion that is provided at an outer periphery of the optical functional portion, and a connecting portion that is provided between the optical functional portion and the edge portion, connects the optical functional portion with the edge portion, and is thinner than the edge portion in a direction of the optical axis.

Abstract: To provide a plastic optical element with reduced birefringence. An angle formed by a line segment that connects a gate corresponding part of a core lens to the center of the core lens and a line segment that connects a gate corresponding part of a molded portion to the center of the core lens is greater than or equal to 90 degrees and is less than or equal to 180 degrees when viewed in a direction along the optical axis of the plastic optical element.

Abstract: The present invention provides optical systems, devices and methods which utilize one or more electroactive polymer actuators to provide shutter and/or aperture control.

Abstract: A method for manufacturing a base structure of lens-focusing mechanism first prepares a conductive member having at least two conductive parts, interconnection part, contacts and two conductive pins. The conductive parts have proximity ends separated and staggered to each other. An insulating base is formed by injection molding and encapsulates the conductive member wherein the conductive pins, the interconnection part and the contacts are exposed out of the insulating base. The interconnection part is cut and then a spring member is mounted to the insulating base and electrically connected to the conductive pins through the contacts. The present invention can solve the problem of difficulty in assembling conductive pins and connecting the spring member for the insulating base. The conductive member is arranged within the insulating base such that plastic material can be saved, the flatness, the stability and the anti-damage ability of base can be enhanced.

Abstract: A readout and signal transduction (ROST) component includes a universal fixture adapted to receive and align one or more optical elements and one or more opto-mechanical elements, wherein the optical elements and one or more opto-mechanical elements are stacked in the universal fixture, one or more optical elements configured for integration into the universal fixture; and one or more opto-mechanical elements configured for integration into the universal fixture.

Abstract: Provided is a variable-shape optical element including a variable-shape lens, an actuator connected to the variable-shape lens, and a support configured to support the actuator. Here, the actuator may vary in shape according to an electrical signal.

Abstract: A plastic optical element includes a member and covering portions formed on a first surface and a second surface of the member. A projecting portion made of a material out of which the member is made and a material out of which the covering portions are made is formed on a part of a side surface of the member, and the covering portion of the first surface and the covering portion of the second surface are connected to each other through the projecting portion.

Abstract: A deformable optical lens with a lens membrane having an optically active portion that is configured to be shaped over an air-membrane interface according to a spherical cap and Zernike polynomials is provided. The spherical cap and the Zernike polynomials comprise a Zernike[4,0], (Noll[11]) polynomial and are sufficient to model the deformable optical lens to within approximately 2 micrometers.

Abstract: An optical component includes a substrate and two optical lenses, and the substrate and the two optical lenses are an integrated and inseparable structure. A groove that can accommodate a required collimating optical element is provided on the substrate, or a collimating optical element and the substrate are integrated. Because fabrication of optical elements is completed during fabrication of the optical component, the number of elements to fabricate and time and cost of fabricating the elements can be reduced. Also, during assembly of an image capturing device, it is only required that the optical component is locked to a body of the image capturing device to complete arrangement of a front panel and the optical elements, which can greatly simplify an assembly procedure and shorten assembly time.

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: A multivision device, which may minimize a screen split zone, and a lens bar attached to the same are disclosed. The multivision device comprises a plurality of display parts; a frame part disposed between two adjacent ones of the plurality of display parts; and a lens bar disposed above the frame part, wherein the lens bar includes a first surface, and a second surface which is located at an opposite side of the first surface and faces the frame part, the first surface includes a first area which is gradually close to the second surface towards a center of the lens bar from a side of the lens bar, and an air gap exists between the lens bar and the frame part.

Abstract: The invention provides an endoscope having a lens holder, wherein the lens holder comprises a body containing a sintered feedstock and machined surfaces. The invention also provides a method of manufacturing the endoscope which comprises the steps of molding a metal blank by a MIM process, wherein the metal blank is “near net shape” and has a sprue, a post, and optionally an outer shell, machining the inner surfaces and then the outer surfaces of the metal blank to form a lens holder, installing a lens in the lens holder, and assembling the lens holder having the lens into the endoscope.

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: Disclosed is a lens driving apparatus. The lens driving apparatus includes a base, a yoke coupled to the base, having an upper surface formed with a hole, a closed side surface, and an opened bottom surface, a bobbin movably installed in an inner portion of the yoke, a lens module coupled to the bobbin to go in and out the hole according to movement of the bobbin, a magnet fixed to an inner portion of the yoke, a coil fixed to an outer portion of the bobbin while facing the magnets, and springs coupled to the bobbin to provide restoration force to the bobbin.

Abstract: An arrangement for improving adhesive attachment of micro-components in an assembly utilizes a plurality of parallel-disposed slots formed in the top surface of the substrate used to support the micro-components. The slots are used to control the flow and “shape” of an adhesive “dot” so as to quickly and accurately attach a micro-component to the surface of a substrate. The slots are formed (preferably, etched) in the surface of the substrate in a manner that lends itself to reproducible accuracy from one substrate to another. Other slots (“channels”) may be formed in conjunction with the bonding slots so that extraneous adhesive material will flow into these channels and not spread into unwanted areas.

Abstract: A method of tuning a mold for an optical component, the method comprising: (a) molding an optical component comprising at least: (i) a body portion defining a first face; (ii) at least one optical element on the first face, the optical element having a certain geometry; (iii) at least one alignment element on the first face selected from one of an alignment hole or an alignment pin; and (iv) at least one inspection element in a position fixed relative to the at least one alignment element on the first face; (b) measuring the location of the inspection element on the front face relative to the optical element; (c) comparing the location to a standard to determine a difference; and (d) if the difference is significant, adjusting a component of the mold to change the location of the alignment element relative to the optical element and reiterating steps (a)-(c).

Abstract: An apparatus for clamping and handling an ophthalmic lens (A) in one or a plurality of stations throughout a manufacturing process, comprising: a main actuator (5); a loading platform (3) on which the lens is laid down with its concave surface downwards; a grip composed of two arms (1, 2) for clamping the lens on its edge, a first arm (1) being bound to said main actuator (5) and a second arm (2) being guided so that to allow for a movement parallel to the main actuator displacement; a first means for attracting the second arm (2) towards the first arm (1) so that to close the grip onto the lens edge; a second means (8) for blocking the second arm (2) at a fixed position when the first arm (1) is moved to a rest position so that to open the grip; holding fingers (6) mounted on at least one of the first arm (1) and the second arm (2) and partly sliding along parallel grooves (4) machined in said platform (3), said grooves (4) being also parallel to the actuator displacement.

Abstract: A lens barrel forming a substantially annular positioning portion on the inner surface thereof is provided. As such, a lens received in the lens barrel can be positioned by the positioning portion to a predetermined longitudinal position of the lens barrel and to be coaxial with the lens to form a lens module and to archive an excellent coaxiality between the lens barrel and the lens.

Abstract: An optical assembly comprising a semiconductor chip having a handle layer and a device layer on the handle layer. The device layer comprises a focusing element, a MEM device, and one or more support islands coupled to a different portion of the handle layer. One portion of the MEM device is coupled to the focusing element and another portion of the MEM device is coupled to one portion of the handle layer, and the MEM device is configured to change a physical position or orientation of the focusing element in response to an electrical actuation.

Abstract: A solid-state imaging device includes a pixel region and a driving circuit region which are disposed on a semiconductor substrate, the pixel region being configured such that a photoelectric conversion unit and a signal scanning circuit unit are included and a matrix of unit pixels is disposed, and the driving circuit region being configured such that a driving circuit for driving the signal scanning circuit unit is disposed, a first pad which is provided on a peripheral region on the semiconductor substrate on a side of a light receiving surface, the light receiving surface being formed on a substrate surface which is opposite to a substrate surface where the signal scanning circuit unit is formed, and a second pad which is provided on a side where the signal scanning circuit unit is formed, and which is disposed only at a position overlapping the pixel region.

Abstract: An eyeglass support is adapted for pinch-holding the eyeglass (5) between three first contact portions (41-43) and three second contact portions (61-63). The first contact portions form a height reference for positioning the eyeglass whereas the second contact portions ensure application of the eyeglass against the first contact portions while conforming to any possible shape for the eyeglass. The support suits for being incorporated in a reflection measurement apparatus. In particular, it is useful for measuring reflection of eyeglasses provided with antireflecting coatings or for rating a protection against UV hazards which is provided by an eyeglass to a wearer of the eyeglass.

Abstract: A wearable electronic modular computer-communicator device is described which may interact and cooperate with other wearable, vehicle-mounted, object-mounted or stationary electronic devices that are also described.

Abstract: Embodiments relate generally to a replaceable lens cartridge for use with a face mask, for example a respirator. The cartridge comprises a plurality of molded lenses, each lens sized to extend over one or more eyes of a wearer and typically having a curved shape and a plurality of catches; and a molded carrier mounting the lenses in stacked arrangement, the carrier having a first set of catches receiving the catches on one of the lenses.

Abstract: The invention relates to a mount assembly comprising two monolithic mounts in which optical components (1.3, 2.3), which can be translationally and rotationally adjusted in relation to each other, are held. The adjustment movements can be carried out without influencing one another, by providing one of the mounts as a rotational mount (1) and the other as a translational mount (2), which substantially only permit a translational and/or a rotational movement within the adjustment region provided.

Abstract: A lens element includes a number of lenses and a mark. The lenses are substantially identical with each other in shape and size. The mark is different from the lenses in shape and size. The lenses and the mark are linearly arranged, with the mark located at an end of the lenses.

Abstract: Method for producing an objective, in which the outer mounting includes an outer surface that is, at least in sections, limited by a plane which extends inclined toward the optical axis or which extends at a distance from the optical axis.

Abstract: An apparatus includes a driver configured to rotate a lead screw, a rack unit including a mated portion mated with the lead screw, the rack unit being coupled with the holder and configured to move along the lead screw as the lead screw is rotated by the driver, a first elastic member configured to force the mated portion against the lead screw with a first force F1, an opposed cog arranged opposite to the mated portion with respect to the lead screw and displaceable relative to the mated portion, and a second elastic unit configured force the opposed cog unit with a second force F2 toward the lead screw. F1<F2<F3 is satisfied where a force containing F3 is a component that opposes to F2, at least one of the mated portion and the lead screw getting damaged when F3 is applied between the mated portion and the lead screw.