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Refract patents

      

This page is updated frequently with new Refract-related patent applications.




 Optical waveguide, and optical component and variable wavelength laser which use the same patent thumbnailnew patent Optical waveguide, and optical component and variable wavelength laser which use the same
Provided are: an optical waveguide that relatively easily expands a spot size and that can suppress an increase in optical coupling loss with another optical waveguide element; and an optical component and variable-wavelength laser that use the optical waveguide. The optical waveguide is provided with: a cladding member; and a core layer that is disposed within the cladding member and that is formed as an elongated body having a rectangular cross-sectional shape from a material having a higher refractive index than the material configuring the cladding member.
Nec Corporation


 Display panel, display device, and illumination device patent thumbnailnew patent Display panel, display device, and illumination device
A display panel includes a panel substrate and a film. In the display panel, multiple light emitting elements are provided on the panel substrate.

 Photoluminescent display device patent thumbnailnew patent Photoluminescent display device
A photoluminescent display device includes a backlight unit, an optical sheet provided on the backlight unit, and a display panel provided on the optical sheet where the display panel includes a first substrate, a first polarizing plate provided on the first substrate, and a color conversion layer provided on the first polarizing plate and including a photoexcitation member, the optical sheet includes a plurality of first optical parts and a plurality of second optical parts, each of the first optical parts has a first refractive index, and the second optical parts are provided alternately with the first optical parts in a plan view and each of the second optical parts has a second refractive index greater than the first refractive index.. .
Samsung Display Co., Ltd.


 Substrates having polarizer and color filter functions, and methods for their preparations patent thumbnailnew patent Substrates having polarizer and color filter functions, and methods for their preparations
A liquid crystal display glass substrate can include a plurality of red, green and blue polarizing regions configured to polarize red, green and blue light, respectively. A red, green or blue color pixel can be disposed on a respective polarizing region.
Empire Technology Development Llc


 Achromatic phase modulator and optical device patent thumbnailnew patent Achromatic phase modulator and optical device
An achromatic phase modulator (300) arranged to modulate the phase of linearly polarized light and to output the linearly polarized light having undergone phase modulation, comprising: means to establish a predefined light path; a linear input polarizer (301); at least two liquid crystal elements (1, 2) disposed in series downstream the linear input polarizer (301) on and orthogonally to the predefined light path, the liquid crystal elements (1, 2) being each constituted with a respective liquid crystal material and the refractive index wavelength dependence characteristics of the respective liquid crystal materials are different from each other; and a control unit (15) arranged to apply drive electric signals individually to the liquid crystal elements (1, 2) so as to achieve achromatic phase modulation for linearly polarized light exiting the linear input polarizer (301) and orthogonally passing through the liquid crystal elements (1, 2) along the predefined light path, wherein in each liquid crystal element (1, 2), the alignment direction of the liquid crystal molecules therein can be altered between a first alignment direction substantially parallel to the light path direction, and a second alignment direction substantially parallel to the polarization direction of the linearly polarized light, in the plane including the first alignment direction and the second alignment direction, in correspondence to the drive electric signals applied to the liquid crystal elements (1, 2), and the polarization direction of linearly polarized light entering the liquid crystal element (1) facing the linear input polarizer (301) coincides with the polarization direction of the linearly polarized light exiting the liquid crystal element (2) farthest from the linear input polarizer (301).. .
Nikon Corporation


 2d and 3d image switchable display device and lenticular lens element patent thumbnailnew patent 2d and 3d image switchable display device and lenticular lens element
The display device includes an image display the screen of which includes a plurality of sub-pixels of three primary colors r, g and b for displaying a 2d image and a 3d image; and a dfd-pdlc lenticular lens array which includes a plurality of parallel dfd-pdlc lenticular lens elements, wherein the direction of the long axis of each of the dfd-pdlc lenticular lens elements is vertical or slant to the screen of an image display, the dfd-pdlc lenticular lens array is installed in front of the screen of the image display, the optical refractive index of the dfd-pdlc lenticular lens elements is variated under the drive of an external drive voltage v(f) to switch between the display of a 2d image and the display of a 3d image on the screen of the image display, wherein f is the drive frequency of the external drive voltage.. .
Zhangjiagang Kangde Xin Optronics Material Co., Ltd.


 Microscopy system, refractive-index calculating method, and recording medium patent thumbnailnew patent Microscopy system, refractive-index calculating method, and recording medium
A microscopy system includes a microscope apparatus that has an objective and a correction device correcting for a spherical aberration, and a refractive index calculator that calculates a refractive index of a sample at a target position in the sample on the basis of a plurality of target set values each of which is a set value of the correction device and each of which corresponds to an amount of spherical aberration that occurs in the microscope apparatus when an observation target plane is situated at a different position in the sample in an optical-axis direction of the objective.. .
Olympus Corporation


 Optical image capturing system patent thumbnailnew patent Optical image capturing system
An optical image capturing system includes, along the optical axis in order from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, and a fifth lens. At least one lens among the first to the fifth lenses has positive refractive force.
Ability Opto-electronics Technology Co., Ltd.


 Optical image capturing system patent thumbnailnew patent Optical image capturing system
An optical image capturing system includes, along the optical axis in order from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, and a fifth lens. At least one lens among the first to the fifth lenses has positive refractive force.
Ability Opto-electronics Technology Co., Ltd.


 Optical system patent thumbnailnew patent Optical system
An optical system includes a first through six lenses. The first lens includes a positive refractive power.
Samsung Electro-mechanics Co., Ltd.


new patent

Lens assembly

A lens assembly includes a stop, a first lens, a second lens and a third lens, all of which are arranged in sequence from an object side to an image side along an optical axis. The first lens is a plano-convex lens with positive refractive power and includes a convex surface facing the object side.
Asia Optical International Ltd.

new patent

Imaging lens

The present invention relates to an imaging lens, the imaging lens including, in an ordered way from an object side, a first lens having a positive (+) refractive power, a second lens having a negative (−) refractive power, a third lens having a positive (+) refractive power, and a fourth lens having a negative (−) refractive power and having a negative (−) refractive power from a lens center to a lens ambience.. .
Lg Innotek Co., Ltd.

new patent

Optical image capturing system

An optical image capturing system, sequentially including a first lens element, a second lens element, a third lens element and a fourth lens element from an object side to an image side, is provided. The first lens element has negative refractive power.
Ability Opto-electronics Technology Co.ltd.

new patent

Optical image capturing system

An optical image capturing system, sequentially including a first lens element, a second lens element, a third lens element and a fourth lens element from an object side to an image side, is provided. The first lens element has negative refractive power.
Ability Opto-electronics Technology Co.ltd.

new patent

Planar optical waveguide device, dp-qpsk modulator, coherent receiver, and polarization diversity

A planar optical waveguide device includes: a substrate; a core that forms a first waveguide and a second waveguide that are arranged in parallel on the substrate; and a cladding that covers the core and has a refractive index smaller than that of the core. The core includes a first rib portion that forms the first waveguide, a second rib portion that forms the second waveguide, and a slab portion that is provided only on one side of the first rib portion and the second rib portion in a width direction to have a thickness smaller than the thicknesses of the first rib portion and the second rib portion and is shared between the first rib portion and the second rib portion..
Fujikura Ltd.

new patent

Optical fiber with macrobend loss mitigating layer

(ii) an inner cladding surrounding the core and having a minimum relative refractive index delta Δ2min and Δcoremax>Δ2min; (iii) an outer cladding surrounding the inner cladding and comprising a first outer cladding portion with a maximum refractive index Δ3a such that Δ3a>Δ2min; and another outer cladding portion surrounding the first outer cladding portion with a maximum refractive index delta Δ3b wherein with a maximum refractive index delta Δ3b wherein Δ3b>Δ3a, said another portion being the outermost portion of the outer cladding; and (iv) a coating layer surrounding the outer cladding, and in contact with said another outer cladding portion, the coating layer having a relative refractive index delta Δc wherein Δc>Δ3b.. .

new patent

Light guide plate including absorption pattern and display device having the same

A display device includes a display panel which displays an image with light, a light guide plate through which the light is guided and which guides the light to the display panel, and an absorption filter provided in plural. The light guide plate defines a light exit surface thereof through which the light is emitted to the display panel and a rear surface thereof opposite to the light exit surface.
Samsung Display Co., Ltd.

new patent

Anti-reflective coating for sapphire

A coated substrate includes a sapphire substrate and an anti-reflective coating comprising a silicon-based material, wherein the anti-reflective coating has refractive index of 1.23 to 1.45 and a mohs hardness of at least 4. A method of coating a sapphire substrate with an anti-reflective coating includes applying a liquid formulation to a sapphire substrate to form a coated substrate, and curing the coated substrate at a temperature of at least 500° c.
Honeywell International Inc.

new patent

Wave guiding element and manufacture

A wave guide face plate for transmitting an image formed in a scintillating material included as part of a transmitting medium is disclosed. The transmitting medium includes a random distribution of different refractive index regions in two orthogonal dimensions, and an essentially consistent refractive index in a third orthogonal dimension.
Incom, Inc.

new patent

Clearing agent and mounting media for microscopy

A clearing agent and mounting solution for microscopy is disclosed comprising at least trichloroethanol and/or derivatives thereof, where the refractive index of the solution is greater than or equal to about 1.3810. Also disclosed are methods of preparing specimens for microscopy..
Rutgers, The State University Of New Jersey

new patent

Novel light-emitting basin

The present invention is a novel light-emitting basin which includes a body. A surface of the body protrudes or is recessed to form a chamber.

new patent

Illumination device

An embodiment of an illumination device comprising a broad band artificial light source and a non-liquid chromatic diffuser transparent to visible light comprising a dispersion of elements of nanometrical dimensions of a first material with of certain refractive index in a second material with different refractive index, wherein the light is scattered producing a separation and different distribution between cold and hot components of the light originally produced by the source, according to a scattering process in “rayleigh” regime. The device allows illumination effects similar to those of natural outdoor environments to be reproduced in indoor environments..
Coelux S.r.l.

new patent

Production of cytotoxic antibody-toxin fusion in eukaryotic algae

Methods and compositions are disclosed to engineer chloroplast comprising heterologous genes encoding target binding domain fused to a eukaryotic toxin and produced within a subcellular organelle, such as a chloroplast. The present disclosure demonstrates that when chloroplasts are used, toxins normally refractive to production in eukaryotic cells may be used to produce recombinant fusion proteins with binding domains that are soluble, properly folded and post-translationally modified, where the multifunctional activity of the fusion protein is intact.

new patent

Oxide sintered body, process for manufacturing same, and oxide film

The present invention provides: an oxide sintered body having superior manufacturing stability, film stability, discharge stability, and mechanical strength; a process for manufacturing the same; and an oxide film obtained by using the oxide sintered body and having an intermediate refractive index. The oxide sintered body comprising in and si, wherein a si content is 0.65 to 1.75 in si/in atomic ratio, a relative density is 90% or more, and a bending strength is 90 n/mm2 or more, is manufactured, and the oxide film with refractive index of 1.70 to 1.90 by a sputtering process using the oxide sintered body is manufactured..
Sumitomo Metal Mining Co., Ltd.

new patent

Antibody-drug conjugates and uses thereof

The present invention relates to therapeutic immunoconjugates comprising sn-38 attached to an antibody or antigen-binding antibody fragment. The antibody may bind to trop-2 or ceacam5 and the immunoconjugate may be administered at a dosage of between 4 mg/kg and 16 mg/kg, preferably 4, 6, 8, 9, 10, 12, or 16 mg/kg.
Immunomedics, Inc.

new patent

Method for prevention of colectomy

A method of treating chronic active ulcerative colitis in a subject that is refractory or responds insufficiently or is intolerant to anti-inflammatory therapy, comprises administering to a patient in need thereof an effective exposure of an oligonucleotide comprising the sequence 5′-ggaacagttcgtccatggc-3′ (seq id no.2), wherein at least one cg dinucleotide is unmethylated. The oligonucleotide is not administered with corticosteroids or glucocorticosteroids..
Index Pharmaceuticals Ab

Adaptable operating frequency of a variable focal length lens in an adjustable magnification optical system

An imaging system is provided for a precision machine vision inspection or metrology system. The imaging system optical path includes a variable magnification lens portion and a variable focal length lens portion.
Mitutoyo Corporation

Quantum cascade laser

A quantum cascade laser includes a substrate having a principal surface; a laser body region disposed on the principal surface, the laser body region including a semiconductor laminate structure having an end facet, the laser body region having a waveguide structure extending along a waveguide axis; and a distributed bragg reflection region disposed on the principal surface, the distributed bragg reflection region including low and high refractive index portions that are alternately arranged in a direction of the waveguide axis. The end facet of the semiconductor laminate structure is optically coupled to the distributed bragg reflection region.
Sumitomo Electric Industries, Ltd.

Display apparatus

A display apparatus includes a display member including a display area, and a peripheral area adjacent the display area, a cover member on the display member, a first decoration member between the display member and the cover member, and including a bezel area overlapping the peripheral area, and a transmission area adjacent the bezel area, and overlapping the display area, and a second decoration member between the first decoration member and the cover member, and including a base member defining at least one recess portion overlapping the bezel area, and a filling member in the at least one recess portion, and including a refractive index that is lower than a refractive index of the base member.. .
Samsung Display Co., Ltd.

Photoelectric conversion device and producing photoelectric conversion device

A photoelectric conversion device according to the present invention has a plurality of photoreceiving portions provided in a substrate, an interlayer film overlying the photoreceiving portion, a large refraction index region which is provided so as to correspond to the photoreceiving portion and has a higher refractive index than the interlayer film, and a layer which is provided in between the photoreceiving portion and the large refraction index region, and has a lower etching rate than the interlayer film, wherein the layer of the lower etching rate is formed so as to cover at least the whole surface of the photoreceiving portion. In addition, the layer of the lower etching rate has a refractive index in between the refractive indices of the large refraction index region and the substrate.
Canon Kabushiki Kaisha

Method of manufacturing image sensor including nanostructure color filter

A method of manufacturing an image senor includes: preparing a sensor substrate including: a sensor layer including a photosensitive cell; and a signal line layer including lines to receive electric signals from the photosensitive cell; forming a first material layer having a first refractive index on the sensor substrate; and forming a nanopattern layer on the first material layer, the nanopattern layer including a material having a second refractive index different from the first refractive index.. .
California Institute Of Technology

Double-sided transparent conductive film and touch panel

Provided are a double-sided transparent conductive film which has blocking resistance and a low reflectance, and is inhibited from scattering reflected light to exhibit good visibility; a roll thereof; and a touch panel. The double-sided transparent conductive film of the present invention includes a base material film with an optical adjusting layer laminate and a transparent conductive layer formed in this order on each of both sides, the optical adjusting layer laminate including two or more optical adjusting layers, wherein the optical adjusting layers have different refractive indexes in each of the optical adjusting layer laminates, an anti-blocking layer containing particles is formed between the base material film and at least one of the optical adjusting layer laminates, the anti-blocking layer includes a flat portion, and a protrusion portion resulting from the particles, a value obtained by subtracting a value of a thickness of the flat portion of the anti-blocking layer from a value of a mode diameter of the particles is larger than a value of a thickness of the optical adjusting layer laminate, and the optical adjusting layer laminates each have a thickness of not less than 60 nm and not more than 250 nm..
Nitto Denko Corporation

Selfie camera and writing device

A device for capturing “selfie” images is integrated into a writing device. The device includes an extendable (e.g., telescopic) section, such that when refracted the device is useful as a writing instrument (e.g., a pen, stylus, etc.), and when extended, provides a way of capturing selfie images, or other images that benefit from a point of view that is removed from the user beyond the user's reach.

Electro-active opthalmic lens having an optical power blending region

A spectacle lens is disclosed. The disclosed lens provides a vision correcting area for the correction of a wearer's refractive error.
E-vision Smart Optics, Inc.

Multifunction contact lens

The present disclosure relates to therapeutic optical devices configured to provide corneal reshaping for correction of refractive errors of an eye, as well as a peripheral refractive effect on on-axis and/or off-axis light to provide regulation of refractive error development in the eye. Related methods for designing therapeutic optical devices and treatment of an eye with a multifunction therapeutic optical device are also provided..
Crt Technology, Inc.

Means for controlling the progression of myopia

A contact lens for use in controlling or retarding the progression of myopia in an eye has a central optical zone approximating the normal diameter of the pupil of the eye that gives clear central vision at distance for the wearer. An annular peripheral optical zone that is substantially outside the diameter of the pupil is formed around the central optical zone with greater refractive power than that of the central zone so that oblique rays entering the eye through the peripheral optical zone will be brought to focus at a focal plane that is substantially on or anterior to the peripheral region of the retina.
Vision Crc Limited

Multifocal ophthalmic lens to be worn in or on the eye

An ophthalmic multifocal lens to be worn on or in a human eye. The lens has an optical portion with anterior and posterior surfaces and a circumferential peripheral boundary.
Ophtec B.v.

Imaging lens

An imaging lens includes a first lens group having positive refractive power; a second lens group having positive refractive power; and a third lens group having negative refractive power, arranged in this order from an object side to an image plane side. The first lens group includes a first lens having positive refractive power, a second lens, and a third lens.
Kantatsu Co., Ltd.

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.
Largan Precision Co., Ltd.

Optical image capturing system

An optical image capturing system includes, along the optical axis in order from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, and a fifth lens. At least one lens among the first to the fifth lenses has positive refractive force.
Ability Opto-electronics Technology Co., Ltd.

Optical image capturing system

An optical image capturing system includes, along the optical axis in order from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, and a fifth lens. At least one lens among the first to the fifth lenses has positive refractive force.
Ability Opto-electronics Technology Co., Ltd.

Camera lens

A camera lens includes, lined up from the object side to the image side, a first lens with positive refractive power, a second lens with negative refractive power, a third lens with positive refractive power, a fourth lens with positive refractive power, and a fifth lens with negative refractive power. The camera lens satisfies specific conditions..
Aac Acoustic Technologies (shenzhen) Co., Ltd.

Camera lens

A camera lens includes, lined up from the object side to the image side, a first lens with positive refractive power, a second lens with negative refractive power, a third lens with negative refractive power, a fourth lens with positive refractive power, a fifth lens with positive refractive power, and a sixth lens with negative refractive power. The camera lens satisfies specific conditions..
Aac Acoustic Technologies (shenzhen) Co., Ltd.

Camera lens

A camera lens includes, lined up from the object side to the image side, a first lens with positive refractive power, a second lens with negative refractive power, a third lens with positive refractive power, and a fourth lens with negative refractive power. The camera lens satisfies specific conditions..
Aac Acoustic Technologies (shenzhen) Co., Ltd.

Camera lens

A camera lens includes, lined up from the object side to the image side, a first lens with positive refractive power, a second lens with negative refractive power, a third lens with positive refractive power, and a fourth lens with negative refractive power. The camera lens satisfies specific conditions..
Aac Acoustic Technologies (shenzhen) Co., Ltd.

Imaging lens assembly

An imaging lens assembly includes, in order from an object side to an image side, a first lens element with positive refractive power, a second lens element with negative refractive power, a third lens element with positive refractive power. The first lens element has a convex image-side surface in a paraxial region.
Vista Optronics, Inc

Spun round core fiber

Optical waveguide cores having refractive index profiles that vary angularly about a propagation axis of the core can provide single-mode operation with larger core diameters than conventional waveguides. An optical waveguide includes a core that extends along a propagation axis and has a refractive index profile that varies angularly about the propagation axis.
Nlight, Inc.

Light guide plate, manufacturing the same, and display device including the light guide plate

A light guide plate includes a body and a light guide pattern. The body includes a glass doped with a dopant having photosensitivity and first regions spaced apart from each other are defined in the body.
Samsung Display Co., Ltd.

Live cell analysis apparatus, analyzing live cells, system for analyzing live cells and non-transitory data storage medium

Described are methods and structures associated with live cell analysis apparatus. A live cell analysis apparatus may include at least one data processor that is configured to process a sequence of images of live cells to determine motion of one or more live cells.
Sony Corporation

Measurement method using differential refractometer, differential refractometer using the measurement method, and liquid chromatograph

A differential refractometer including a measurement section for measuring the diffractive index difference between a sample cell and a reference cell by radiating light on a measurement cell and detecting light which has sequentially passed through the sample cell and the reference cell includes a mobile phase supply section for delivering a mobile phase in a sample introduction channel that is connected to the sample cell. The mobile phase supply section includes a mobile phase container for containing the mobile phase.
Shimadzu Corporation

Method and device for determining characteristic properties of a transparent particle

The invention relates to a method for determining the size d of a transparent particle, according to which method the particle is illuminated with light from a light source, a radiation detector measures a time-resolved intensity profile of light of the light source scattered by the particle, a reflection peak (10) and a refraction peak are determined in the intensity profile and the size d of the particle is determined based on a time difference between the reflection peak (10) and the refraction peak. The method according to the invention is characterized in that the time-resolved intensity profile is measured at a definable scattering angle θs, a first second-order refraction peak (11) and a second second-order refraction peak (12) having a mode different from that of the first refraction peak (11) being determined, a characteristic variable γ being determined as the ratio of a first time difference Δt01 between the reflection peak (10) and the first refraction peak (11) and of a second time difference Δt02 between the reflection peak (10) and the second refraction peak (11), and the size of only those particles being determined for which the characteristic variable γ corresponds to a definable value..
Technische Universitaet Darmstadt





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This listing is a sample listing of patent applications related to Refract for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Refract with additional patents listed. Browse our RSS directory or Search for other possible listings.


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