|| List of recent Refract-related patents
| Prosthetic capsular bag and inserting the same|
The present invention relates to a prosthetic capsular bag and method for inserting the same. The prosthetic capsular bag helps to maintain the volume of the natural capsular bag, thereby stabilizing the effective lens position of an iol so that refractive outcomes may be improved with cataract surgery.
Omega Ophthalmics Llc
| Marking lenticules for refractive correction|
In certain embodiments, marking a lenticule includes controlling a focus of pulsed laser radiation having ultrashort pulses. A lenticule marking is created in a cornea of an eye with the pulsed laser radiation to mark the lenticule.
| Optogenetic probe|
An optogenetic probe, an optogenetic system, and a method for fabricating an optogenetic probe are provided. The optogenetic probe has a proximal and a distal end, and includes an elongated body made of a body glass material and extending longitudinally between the proximal and distal ends.
| Polycarbonate resin and transparent film comprising the same|
The present invention relates to a transparent film obtained by molding a polycarbonate resin composition comprising a specific weight of (a) a polycarbonate resin containing (a) a specific structural unit and (b) a specific structural unit, and a specific weight of (b) a resin having a composition different from that of the polycarbonate resin (a), with a specific absolute value of the difference in the glass transition temperature between the resin (b) and the polycarbonate resin (a) and a specific absolute value of the difference in the refractive index, wherein in the transparent film, the ratio of the retardation measured at a wavelength of 450 nm to the retardation measured at a wavelength of 550 nm satisfies a specific formula.. .
Mitsubishi Chemical Corporation
| Matte clear coating composition|
The present invention provides a matte clear coating composition comprising: a paint resin having a refractive index of about 1.48-1.50 and a specific gravity of about 1.1-1.2; and an organic resin having a refractive index that differs from the paint resin's refractive index by about 0-0.02 and from the specific gravity by about 0-0.2. The matte clear coating composition has good storage stability, minimized hiding of the base color by the matting agent, and improved physical properties, including adhesion and water resistance properties..
Hyundai Motor Company
| Method of fabrication, device structure and submount comprising diamond on metal substrate for thermal dissipation|
A method of fabrication, a device structure and a submount comprising high thermal conductivity (htc) diamond on a htc metal substrate, for thermal dissipation, are disclosed. The surface roughness of the diamond layer is controlled by depositing diamond on a sacrificial substrate, such as a polished silicon wafer, having a specific surface roughness.
Advanced Diamond Technologies, Inc.
| Process for manufacturing a photonic circuit with active and passive structures|
A process for manufacturing a photonic circuit comprises: manufacturing on a first wafer a first layer stack comprising an underclad oxide layer and a high refractive index waveguide layer; patterning the high refractive index waveguide layer to generate a passive photonic structures; planarizing the first layer stack with a planarizing oxide layer having a thickness below 300 nanometers above the high refractive index waveguide layer; annealing the patterned high refractive index waveguide layer before and/or after the planarizing oxide layer; manufacturing on a second wafer a second layer stack comprising a detachable mono-crystalline silicon waveguide layer; transferring and bonding the first layer stack and the second layer stack; manufacturing active photonic devices in the mono-crystalline silicon waveguide layer; and realizing evanescent coupling between the mono-crystalline silicon waveguide layer and the high refractive index waveguide layer.. .
Huawei Technologies Co., Ltd.
| Flexible optical film material and simulating one of a multiplicity of opthalmic conditions representative of a disease state|
A flexible, yet self-supporting, optical film processed to include at least one curable resin cured on selected areas thereof. The processed film is useful in a method for simulating one of a multiplicity of opthalmic conditions representative of a disease state or vision disorder.
| System and forming a low alloy steel casting|
A method of casting a low alloy steel using a mold is disclosed. The method includes receiving the mold having a foam pattern disposed within a sand casing.
General Electric Company
| Method of producing preform for coupled multi-core fiber, producing coupled multi-core fiber, and coupled multi-core fiber|
Provided is a method of producing a preform 10p for a coupled multi-core fiber including: an arranging process p1 for arranging a plurality of core glass bodies 11r and a clad glass body 12r in such a way that the plurality of core glass bodies 11r are surrounded by the clad glass body 12r; and a collapsing process p2 for collapsing a gap between the core glass bodies 11r and the clad glass body 12r, wherein the respective core glass bodies 11r have outer regions 16 having a predetermined thickness from the periphery surfaces and made of silica glass undoped with germanium, and the clad glass body 12r is made of silica glass having a refractive index lower than a refractive index of the outer regions of the core glass bodies 11r.. .
Micromodule cables and breakout cables therefor
A breakout cable includes a polymer jacket and a plurality of micromodules enclosed within the jacket. Each micromodule has a plurality of bend resistant optical fibers and a polymer sheath comprising pvc surrounding the bend resistant optical fibers.
Corning Optical Communications Llc
Mobile device and optical imaging lens thereof
The present invention provides a mobile device and an optical imaging lens thereof. The optical imaging lens comprises an aperture stop, first, second, third and fourth lens elements positioned sequentially from an object side to an image side.
Genius Electronic Optical Co., Ltd.
An exemplary embodiment of 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 negative (−) refractive power, and a fifth lens having a negative (−) refractive power, wherein the third lens takes a meniscus shape convexly formed at an object side.. .
Lg Innotek Co., Ltd.
An imaging lens includes a first lens having positive refractive power; a second lens having negative refractive power; a third lens; a fourth lens having negative refractive power; a fifth lens having positive refractive power; and a sixth lens, arranged in this order from an object side to an image plane side. The first lens is formed so that a surface thereof on the object side has a positive curvature radius.
Kantatsu Co., Ltd.
Lens for projection, and image display device
A lens for projection which is used in an image display device which includes an image display element and projects and displays an image displayed on an image display surface of the image display element as a projection image on a projected surface in an enlarged manner, the lens for projection including in order from an enlargement side to a reduction side, a first lens group which is constituted of at least eight lenses and has a positive refractive power; an aperture; and a second lens group which is constituted of less than or equal to four lenses and has a positive refractive power, wherein the first lens group includes one or more aspherical lenses, and the one or at least one aspherical lens included in the first lens group has a largest thickness at a most peripheral portion of the lens.. .
Optical element, image display device and manufacturing same
An optical element includes a light guide plate that has therein a light transmissive flat plate member on which a transflective layer is formed, and a layer of a light transmissive adhesive or a light transmissive resin layer that uniformly covers the light guide plate. The refractive index of the layer of the adhesive or the resin layer is set to a refractive index different from that of the light guide plate.
Seiko Epson Corporation
Durable hybrid omnidirectional structural color pigments for exterior applications
A hybrid omnidirectional structural color pigment. The pigment exhibits a visible color to the human eye and has a very small or non-noticeable color shift when exposed to broadband electromagnetic radiation (e.g.
Toyota Motor Engineering & Manufacturing North America, Inc.
An optical element includes an optical member made of a material that transmits light; a high refractive index layer and a low refractive index layer that are stacked on a front surface of the optical member; and a surface protection layer that is formed on an upper most layer among the high refractive index layer and the low refractive index layer, the surface protection layer being made of a material including one of a mixed oxide of si and sn, a mixed oxide of si and zr, and a mixed oxide of si and al, and the refraction index of the surface protection layer being less than or equal to the refraction index of the high refractive index layer and greater than or equal to the refraction index of the low refractive index layer.. .
Asahi Glass Company, Limited
Lithographic mask, lithographic apparatus and method
A lithographic mask has a substrate substantially transmissive for radiation of a certain wavelength, the substrate having a radiation absorbing material in an arrangement, the arrangement configured to apply a pattern to a cross-section of a radiation beam of the certain wavelength, wherein the absorbing material has a thickness which is substantially equal to the certain wavelength divided by a refractive index of the absorbing material.. .
Asml Netherlands B.v.
Image projection apparatus
An image projection apparatus which enlarges and projects an image displayed on an image display element as a projection image on a screen, comprising the image display element displaying an image, a refracting optical system including a free-curved lens; a reflecting optical system including at least one concave mirror, and a light-blocking member including an aperture. On a sectional surface of a total light flux being introduced into the refracting optical system and is imaged on the screen after the concave mirror, when a direction a corresponds to a long side and a direction b corresponds to a short side of the projection image, the light-blocking member includes the aperture between a position in which a diameter of the total light flux in the direction a is the smallest and a position, those in the direction b is the smallest..
Contact lenses having a reinforcing scaffold
Ophthalmic lenses for correcting refractive error of an eye are disclosed. Ophthalmic lenses include an inner optic portion having a scaffold between an anterior portion and a posterior portion.
Variable optic ophthalmic device including liquid crystal elements
This invention discloses methods and apparatus for providing a variable optic insert into an ophthalmic lens. An energy source is capable of powering the variable optic insert included within the ophthalmic lens.
Johnson & Johnson Vision Care, Inc.
Photographing lens group and electronic apparatus including the same
A photographing lens group and an electronic apparatus including the same are provided. The photographing lens group includes a first lens having a positive refractive power, a second lens having a negative refractive power, a third lens having a positive or negative refractive power, a fourth lens having a positive or negative refractive power, a fifth lens having a negative refractive power, and a sixth lens having a positive refractive power.
Samsung Electronics Co., Ltd.
Imaging lens system and electronic apparatus employing the same
An imaging lens system includes a first lens that includes a convex object-side surface and has a positive refractive power; a second lens that includes a concave image plane-side surface and has a negative refractive power; a third lens; a fourth lens that includes two spherical surfaces and has a negative refractive power; a fifth lens that includes a convex image plane-side surface and has a positive refractive power; and a sixth lens that has a negative refractive power, wherein the first through sixth lenses are arranged in order from an object side to an image plane side.. .
Samsung Electronics Co., Ltd.
Optical imaging lens and electronic device comprising the same
An optical imaging lens set includes a first lens with positive refractive power and a convex object-side surface, a second lens element with negative refractive power and an image-side surface with a concave portion in a vicinity of its periphery, a third lens element has an object-side surface with a concave portion in a vicinity of its periphery, a fourth lens element with positive refractive power, a concave object-side surface and a convex image-side surface, a fifth lens element with an object-side with a convex portion in a vicinity of the optical axis, an image-side surface with a concave portion in a vicinity of the optical axis and a convex portion in a vicinity of its periphery.. .
Zoom lens and image pickup apparatus including the same
A zoom lens includes, in order from an object side to an image side, a first lens unit having positive refractive power, a second lens unit having negative refractive power, a third lens unit having positive refractive power, and a rear lens group including one or more lens units. The distance between adjacent lens units changes during zooming.
Canon Kabushiki Kaisha
Image capturing array system and fingerprint identification device
An image capturing array system includes, in order from an object side to an image side, at least two image lens units and at least one image sensor disposed on an image plane of each of the image lens units. Each of the image lens units includes at least one lens element with refractive power, an object-side surface and an image-side surface of the lens element are aspheric, and an object is relatively stationary with respect to the in lens units during an image capturing process..
Largan Precision Co., Ltd.
Touch-sensing display panel
A touch-sensing display panel, comprising a plurality of image-forming pixel elements; a planar light guide with a first refractive index, having a front surface forming a touch-sensing region and an opposite rear surface facing the pixel elements; a plurality of light emitters arranged at a peripheral region of the panel to emit light into the light guide for propagation therein through total internal reflection; a plurality of light detectors disposed at the peripheral region for receiving light from the light guide; and an optical layer disposed at the rear surface of the light guide to cover a plurality of the image-forming pixel elements in at least a central region of the panel, wherein said optical layer is configured to reflect at least a part of the light from the emitters impinging thereon from within the light guide.. .
Flatfrog Laboratories Ab
Printing diffraction gratings on paper and board
A method and an apparatus for forming a surface relief microstructure, especially an optically variable image on a paper substrate are provided, the method comprising the steps of: a) applying a curable composition to at least a portion of the frontside of the paper substrate; b) contacting at least a portion of the curable composition with surface relief microstructure, especially optically variable image forming means; c) curing the composition by using at least one uv lamp (1, 2, 3) which is arranged on the backside of the paper substrate; d) optionally depositing a layer of a transparent high refractive index material and/or a metallic layer on at least a portion of the cured composition, wherein the lamp (1, 2, 3) having emission peak(s) in the uv-a and near vis range and the curable composition comprises at least a photoinitiator which absorbs in the uv-a region and preferably in the near vis range. A paper product obtainable uses the method and an apparatus for forming a surface relief microstructure on a paper substrate.
Refractory delta cooling system
Embodiments of the present invention comprise a refractory delta made from a refractory material having a cold-face side and a hot-face side. One or more electrode apertures are located in the refractory delta for receiving one or more electrodes.
Organic light-emitting display apparatus
An organic light-emitting display apparatus, including a substrate including a first subpixel region, a second subpixel region, and a third subpixel region, a first pixel electrode, a second pixel electrode, and a third pixel electrode disposed respectively in the first subpixel region, the second subpixel region, and the third subpixel region, a first intermediate layer, a second intermediate layer, and a third intermediate layer disposed respectively on the first pixel electrode, the second pixel electrode, and the third pixel electrode and including an organic emission layer, an opposite electrode disposed on the first intermediate layer, the second intermediate layer, and the third intermediate layer, and a dielectric reflective layer including at least one pair of high refractive layers and low refractive layers stacked alternately and disposed between the substrate, and the first pixel electrode and the second pixel electrode, wherein the third pixel electrode includes a metal layer.. .
Samsung Display Co., Ltd.
Refractory casting tube for a mould for continuously casting molten metal
A refractory casting tube for a mould for continuously casting molten metal is provided with a top part (33) and a bottom part (35) which dips into the molten metal in the inner mould space (6) during the casting. A refractory deflection element (35) is integrated in the funnel-shaped or similarly shaped inlet (34) of the top part (33) and is shaped in such a manner that a fluid-dynamic dissipation is generated on the molten metal (21) during casting in said inlet (4, 34).
Sms Concast Ag
Casting investment composition and casting process using same
The object of the present invention is to provide an embedding material composition for casting that makes it possible to conduct a favorable casting in the case where casting is conducted using a resin pattern that is different from a conventional wax pattern in disappearance temperature and disappearance behaviors through “rapid heating” excellent in treatment efficiency. The present invention relates to an embedding material composition for casting not using a heat-expandable refractory material as a main component, comprising: a binder; and a non-heat-expandable refractory material having an average particle diameter of 5 to 20 μm as main components, in which a content of the binder is 25 to 40 parts by mass and a content of the non-heat-expandable refractory material is 60 to 75 parts by mass in the case where the total amount of the main components is 100 parts by mass, and the present invention also relates to a casting process using the embedding material composition for casting..
Yoshino Gypsum Co., Ltd.
High temperature reactor refractory systems
A fluidized bed system having a containment vessel, a precast and predried monolithic refractory floor module positioned in the vessel, and a plurality of precast and predried monolithic refractory wall modules stacked within the vessel. The plurality of wall modules includes a first wall module is positioned on the floor module, wherein the floor module and the first wall module have interlocking surfaces, and wall modules adjacent to one another have interlocking surfaces.
Allied Mineral Products, Inc.
Apparatus and ascertaining a type of spectacle lens and determining a refractive power distribution of a progressive spectacle lens
An apparatus is for ascertaining and outputting a type of spectacle lens suitable for a spectacle wearer with a visual characteristics providing device, for providing visual characteristics of the spectacle wearer, a needs providing device, for providing individual needs of the spectacle wearer, a spectacle lens type providing device, for providing a plurality of types of spectacle lenses having predetermined characteristics, a desired characteristics ascertaining device, for ascertaining desired characteristics of a type of spectacle lens using the provided visual characteristics and the provided individual needs of the spectacle wearer, an assigning device, for assigning at least one type of spectacle lens from among the plurality of types of spectacle lenses to the desired characteristics, on the basis of predetermined assignment rules, and a spectacle lens type outputting device, for outputting the at least one assigned type of spectacle lens. A method is for ascertaining and outputting a type of spectacle lens suitable for a spectacle wearer and also a computer program is for carrying out the method..
Deformable accommodative intraocular lens
A deformable accommodating intraocular lens (iol) is disclosed, where the iol comprises a diffractive kinoform-like grating pattern on one or both of the anterior or posterior surfaces of the deformable iol. The capsular bag of the eye exerts a distorting force on the iol, changing its power and allowing for accommodation.
Surgical access system and related methods
A surgical access system including a tissue distraction assembly and a tissue refraction assembly, both of which may be equipped with one or more electrodes for use in detecting the existence of (and optionally the distance and/or direction to) neural structures before, during, and after the establishment of an operative corridor to a surgical target site.. .
High emissivity materials and structures for hypersonic environments
A hypersonic refractory material, including a refractory leading edge portion for a hypersonic vehicle and a high emissivity oxide coating adhered to the refractory leading edge portion. The high emissivity oxide coating is selected from the group including sm2o3, tm2o3, yb2o3, gd2o3, and mixtures thereof, and the refractory leading edge portion includes up to about 15 mole percent of a cation dopant selected from the group including sm2o3, tm2o3, yb2o3, gd2o3, and mixtures thereof, with the remainder being selected from the group including zrb2, hfb2, and mixtures thereof.
In one aspect, a multi-layer absorber is disclosed, which comprises a proximal layer having a radiation-receiving surface adapted for receiving electromagnetic radiation, and a distal layer disposed adjacent the proximal layer to receive at least a portion of the received radiation, if any, transmitted through said proximal layer, wherein said proximal layer exhibits an index of refraction having a real part that is less than the real part of an index of refraction of the said distal layer for at least one frequency of the electromagnetic radiation in a range of about 1 ghz to about 110 ghz.. .
Optical element, optical system, and optical apparatus
An optical element includes an antireflection film. The antireflection film includes an uppermost layer having a refractive index nd of 1.20 to 1.30, a high refractive index layer having a refractive index of 2.00 to 2.40, and at least one of an intermediate refractive index layer having a refractive index of 1.55 to 1.70 and a low refractive index layer having a refractive index of 1.40 to 1.52.
Method for producing high-brightness light-emitting fabric using acrylic optical fibers, and high-brightness light-emitting fabric
The present invention relates to a light-emitting fabric, in which acrylic optical fibers and general fibers are woven together, and light is emitted to the surface of the fabric through the optical fibers floating on the surface of the union fabric. According to the present invention, part of the clad portion of the optical fibers is removed by melting so as to prevent the total reflection of the clad portion and to emit high-brightness patterns or characters having a higher brightness than those emitted by optical fibers having a conventional clad portion.
Silicon dbr structure-integrated light element, and preparation method
The present invention relates to a silicon dbr structure-integrated light device, and a preparation method thereof, and more specifically, to a silicon dbr structure-integrated light device or vertical cavity light emitting diode, and a preparation method thereof, enabling preparation by a small number of layers and capable of reducing process time and costs due to a large contrast in refractive index of a silicon dbr structure formed by depositing silicon in a slanted or vertical manner.. .
Optical constructions incorporating a light guide and low reflective index films
Optical constructions use a low index of refraction layer disposed between a low absorption layer and a high absorption layer to increase confinement of light to the low absorption region of the optical constructions. Low index layers can be used in optical constructions that have multi-tiered light confinement.
A spotlight has a light base, a supporting base, a power supply, a motor, a lighting module, a multi-surface refractive lens and a beam-splitter lens light shade. The supporting base is connected with the light base.
Endoscopic objective lens and endoscope
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.
Imaging optical lens assembly
An imaging optical lens assembly includes an aperture stop and an optical assembly, the optical assembly includes, in order from the object side to the image side: a first lens element with a positive refractive power; a second lens element with a refractive power; a third lens element with a refractive power; a fourth lens element with a refractive power; a fifth lens element with a negative refractive power having an image-side surface being convex near an optical axis; wherein the image-side surface of the fifth lens element is formed with at least two inflection points, including a first inflection point and a second inflection point further away from the optical axis, a vertical distance from the first inflection point to the optical axis is y_inf1, a vertical distance from the second inflection point to the optical axis is y_inf2, satisfying: 1.7<y_inf2/y_inf1<2.1.. .
Zoom lens and image pickup apparatus including the same
Provided is a zoom lens, including, in order from an object side to an image side: a positive first lens unit that does not move for zooming; a negative second lens unit that moves during zooming; and a positive n-th lens unit that does not move for zooming and is arranged closest to the image side. Among lenses constructing the second lens unit, two lenses closest to the image side are a positive lens and a negative lens, and partial dispersion ratios for g-line and f-line and abbe numbers for a d-line of the positive and negative lenses, and an average value of refractive indices of all the lenses of the second lens unit are appropriately set..
Vehicle head-up display device for preventing ghost images
A vehicle head-up display device for preventing ghost images, includes a base, a display module and a lid, wherein the lid is translucent material, a lower thickness of the lid is smaller than an upper thickness, the display module is used to project image information on the lid. By the composition of the above elements, the variation in thickness that the upper of the lid is thick and the lower of the lid is thin is used to generate the refraction of the prism, to let the position of ghost images be overlapped with real images, to thereby effectively solve the problem of ghost images..
Lithographic apparatus and device manufacturing method
A field manipulator to provide high resolution control of position in the xy plane and/or focus control. The field manipulator includes a plate located between the patterning device and the substrate.
Optical photographing lens assembly, image capturing device and mobile terminal
An optical 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 and a fifth lens element. The first lens element has refractive power.
Image capturing lens system, imaging device and mobile terminal
An image capturing 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 and a fourth lens element. The first lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof.
Image-pickup optical system and image pickup apparatus
An image-pickup optical system includes: a first lens provided near an aperture stop and configured to correct aberration; and a second lens arranged between the first lens and an image sensor and configured to collect light, the first lens being a gradient index lens. The degree of freedom of design of a gradient index lens is higher than that of a lens having a constant refractive index, and a gradient index lens thus has a high potential as a device for a lens.
Zoom lens and image pickup apparatus using the same
A zoom lens comprises a first lens unit g1 having a positive refractive power, a second lens unit g2 having a negative refractive power, and a plurality of lens units g3 and g4. Zooming from a wide angle end to a telephoto end is carried out by changing a distance between the lens units.
Zoom lens and image pickup apparatus including the same
Provided is a zoom lens including, in order from an object side to an image side: a first lens unit having a positive refractive power which does not move for zooming; a second lens unit having a negative refractive power which moves during zooming; and an n-th lens unit having a positive refractive power which does not move for zooming and is arranged closest to the image side. In the zoom lens, the n-th lens unit includes in order from an object side: a first sub-lens unit; and a second sub-lens unit which is movable, and a lateral magnification at a wide angle end of the n-th lens unit and a lateral magnification at a wide angle end of the second sub-lens unit of the n-th lens unit when an axial ray enters from infinity in a state in which focus is at the infinity are appropriately set..
Zoom lens and camera
A zoom lens includes, in order from an object side, a first lens group having a positive refractive power, a second lens group having a negative refractive power, a third lens group having a negative refractive power, and a fourth lens group having a positive refractive power. During change of magnification from a short focal end to a long focal end, the first lens group is fixed, the second lens group is moved to an image side, the third lens group is moved, and the fourth lens group is fixed.
Three-dimensional image display apparatus
A three-dimensional image display apparatus includes a display panel configured to display an image and including gate lines, data lines, and pixels connected to the gate lines and the data lines, a data driver configured to drive the data lines, a gate driver configured to drive the gate lines, a lens panel configured to refract light of the image displayed by the display panel, a lens driver configured to drive the lens panel, a lens controller configured to control the lens driver, and a timing controller configured to control the data driver, the gate driver, and the lens driver in response to an image signal and a control signal. The lens controller and the timing controller are mounted on the same control board..
A light guide is provided for illuminating innumerable constructions, but which is ideally suited for illuminating the keys of a keyboard. The light guide includes a translucent planar plate having a top, a bottom and sides.
Semiconductor device, and forming the same
A semiconductor device is improved in performance by preventing the generation of color mixing in its pixels which form an image pickup device. In a region between adjacent pixels, which is a region for separating regions where respective color filters of the pixels from each other, septum walls are formed.
Image sensor and manufacturing thereof
An image sensor is provided including a substrate, an array of photosensitive units, a grid and a plurality of color filters. In the image sensor, the grid has a first portion and a second portion disposed on the first portion.