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Refract patents

      

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




 Multi-channel headphone patent thumbnailMulti-channel headphone
A multi-channel headphone has a housing, multiple independent sound channels formed in the housing, and at least one speaker unit mounted inside the housing. The at least one speaker unit produces sound directly passing through one of the sound channels and refracted through the rest of sound channels.
Obo Pro.2 Inc.


 Multi-channel headphone patent thumbnailMulti-channel headphone
A multi-channel headphone has a housing, multiple independent sound channels formed in the housing, and at least one speaker unit mounted inside the housing. The at least one speaker unit produces sound directly passing through one of the sound channels and refracted through the rest of sound channels.
Obo Pro.2 Inc.


 Organic light-emitting diode display device and its manufacturing method patent thumbnailOrganic light-emitting diode display device and its manufacturing method
The present disclosure provides an oled display device and its manufacturing method. The oled display device includes an organic light-emitting layer and a plurality of elements arranged one on another at a light-exiting side of the organic light-emitting layer.
Beijing Boe Optoelectronics Technology Co., Ltd.


 Solar cell reflector / back electrode structure patent thumbnailSolar cell reflector / back electrode structure
A photovoltaic or light detecting device is provided that includes a periodic array of dome or dome-like protrusions at the light impingement surface and three forms of reflector/back electrode at the device back. The beneficial interaction between an appropriately designed top protrusion array and these reflector/electrode back contacts (r/ebcs) serve (1) to refract the incoming light thereby providing photons with an advantageous larger momentum component parallel to the plane of the back (r/ebc) contact and (2) to provide optical impedance matching for the short wavelength incoming light.

 Phase detection autofocus techniques patent thumbnailPhase detection autofocus techniques
The present disclosure relates to an image sensor having autofocus function and associated methods. In some embodiments, the integrated circuit has a photodiode array with a plurality of photodiodes disposed within a semiconductor substrate and a composite grid overlying the photodiode array and having a first plurality of openings and a second plurality of openings extending vertically through the composite grid.
Taiwan Semiconductor Manufacturing Co., Ltd.


 Surface finishes for interconnection pads in microelectronic structures patent thumbnailSurface finishes for interconnection pads in microelectronic structures
A surface finish may be formed in a microelectronic structure, wherein the surface finish may include an interlayer comprising a refractory metal, phosphorus, and nickel, with the refractory metal having a content of between about 2 and 12% by weight and the phosphorus having a content of between about 2 and 12% by weight with the remainder being nickel. In one embodiment, the refractory metal of the interlayer may consist of one of tungsten, molybdenum, and ruthenium.
Intel Corporation


 Cover-glass optical isolation for optical touch and fingerprint sensing patent thumbnailCover-glass optical isolation for optical touch and fingerprint sensing
Methods, systems, computer-readable media, and apparatuses for cover-glass optical isolation for optical touch and fingerprint sensing are presented. One disclosed display assembly includes a cover glass layer; a low refractive index (lri) layer coupled to a surface of the cover glass layer; a display layer coupled to the lri layer; a prism structure; and a camera comprising an image sensor optically coupled to the prism structure to capture an image of a fingerprint based on light reflected from a fingertip and propagated within the cover glass layer and directed towards the camera using the prism structure, wherein the cover glass layer defines an overhang region that extends beyond the lri layer and the display layer, and wherein the prism structure is coupled to the surface of the cover glass layer on the overhang region..
Qualcomm Incorporated


 Progressive multifocal lens having an enlarged intermediate distance vision region patent thumbnailProgressive multifocal lens having an enlarged intermediate distance vision region
A progressive multifocal lens adapted to correct a user's vision and including a first major surface and a second major surface, wherein the first major surface is positioned closest to the user's eye when the progressive multifocal lens is worn by the user, the progressive multifocal lens including: a far-distance vision region having a first refractive power, a near-distance vision region having a second refractive power, an intermediate-distance vision region having a third refractive power, and a first and a second progressive region, a main line of sight extending from the far-distance vision region to the near-distance vision and passing through the intermediate-distance vision region. The first progressive region joins the far-distance vision region and the intermediate-distance vision region and the second progressive region joins the intermediate-distance vision region and the near-distance vision region..
Essilor International (compagnie Generale D'optique)


 Near-eye display system patent thumbnailNear-eye display system
An optical magnification is disclosed. The system comprises: a structure having a frame configured to removably secure a display device thereto; and a pair of spaced apart ocular systems, mounted on the structure in front of the frame for providing a view of the display device once mounted on the frame; wherein each of the ocular systems has an aspheric optical surface and provides a prismatic refraction..
Cinema2go Ltd.


 Zoom lens and image pickup apparatus including the same patent thumbnailZoom lens and image pickup apparatus including the same
A zoom lens, including, in order from an object side: a negative first unit being not moved for zooming; a second unit including at least one sub-unit that is moved during zooming, and having a positive refractive power as a whole; a negative third unit including an aperture stop, being not moved for zooming; a fourth unit including at least one sub-unit and being moved during zooming; and a fifth unit being not moved for zooming, at least three sub-units among the sub-units included in the second and fourth units being moved during zooming, in which focal lengths of the first and third units, and a movement amount of a sub-unit that is moved most in the second unit and a movement amount of a sub-unit that is moved most in the fourth unit during zooming from a wide angle end to a telephoto end satisfy predetermined conditions.. .
Canon Kabushiki Kaisha


Optical system and image pickup apparatus including the same

At least one embodiment of an optical system includes, in order from an object side to an image side, a front unit including a plurality of lenses, an aperture stop, and a rear unit having a positive refractive power. In at least one embodiment, four negative lenses are consecutively arranged from a side of the front unit closest to the object side, and a focal length of the front unit and a focal length of the rear unit are appropriately set..
Canon Kabushiki Kaisha

Zoom lens and image pickup apparatus including the same

A zoom lens, includes, in order from object side: a front unit including a unit including a first unit arranged closest to the object side and not moving for zooming; an nf unit including three or more lenses and having a negative refractive power; an stop; a first rear unit moving during zooming; a second rear unit moving during zooming; and a third rear unit not moving for zooming, in which: the front unit includes four or more lenses and includes one or more units having a positive refractive power; and a difference between positions of the first rear unit at a wide angle end and a telephoto end, a difference between positions of the second rear unit at the wide angle end and the telephoto end, a focal length of the second rear unit, and a focal length of the zoom at the wide angle end are appropriately set.. .
Canon Kabushiki Kaisha

Zoom lens and image pickup apparatus including the same

A zoom lens includes, in order from object side: a positive first unit not moving for zooming; a second unit moving during zooming; a positive third unit; a positive fourth unit; and a rear unit including at least one unit, the second unit including one or more lens sub-units and having a negative refractive power as a whole, the fourth unit moving during zooming, the zoom lens including a stop between the second and third units or between the third and fourth units. Lateral magnifications of the second unit at a wide angle end and a telephoto end when beam enters from infinity, focal lengths at the wide angle end and the telephoto end, a focal length of the first unit, and a focal length of the second unit at the wide angle end are appropriately set..
Canon Kabushiki Kaisha

Zoom lens and image pickup apparatus including the same

Provided is a zoom lens, including first to fourth lens units having positive, negative, positive, and positive refractive powers and a rear lens unit, which are arranged in order from object side to image side, in which: rear lens unit includes a negative front-side subunit and a positive rear-side subunit arranged in order from object side to image side; front-side subunit moves in a direction having a component perpendicular to optical axis; and front-side subunit includes at least one positive lens and at least one negative lens. A focal length of front-side subunit, a focal length of one positive lens of the at least one positive lens, a refractive index and an abbe number of a material of the one positive lens, and a refractive index and an abbe number of a material of one negative lens of the at least one negative lens are set appropriately..
Canon Kabushiki Kaisha

Imaging optical system and optical apparatus including the same

An imaging optical system includes, a first lens unit having a negative refractive power, a second lens unit having a positive refractive power, a third lens unit having a negative refractive power, and a fourth lens unit having a positive refractive power, the first lens unit includes a first negative lens and a first cemented lens, the second lens unit g2 includes a second cemented lens, one or more positive lens components, and a third cemented lens, and the first cemented lens includes a negative lens and has a surface having a concave surface facing toward the reduction side, the second cemented lens has a positive refractive power and has a surface having a concave surface facing toward the enlargement side, and the third cemented lens has a positive refractive power and includes a negative lens on the reduction side.. .
Olympus Corporation

Imaging optical system and optical apparatus including the same

An imaging optical system includes an aperture stop, a first cemented lens, a second cemented lens, and a third cemented lens, and the first cemented lens is positioned closer to the enlargement side than the aperture stop is, the second cemented lens is positioned on the reduction side and adjacent to a predetermined lens unit is, and the third cemented lens is positioned closer to the reduction side than the aperture stop is, the predetermined lens unit has a negative refractive power and includes all of lenses located from a lens positioned closest to the enlargement side to the first cemented lens, the first cemented lens includes a positive lens and a negative lens, the second cemented lens includes a negative lens and a positive lens, and the third cemented lens includes a positive lens and a negative lens.. .
Olympus Corporation

Imaging optical system and optical apparatus including the same

An imaging optical system includes a first lens unit having a negative refractive power, a second lens unit having a positive refractive power, a third lens unit having a positive refractive power, a fourth lens unit, and a fifth lens unit, and the first lens unit includes a first negative lens and a first cemented lens, the second lens unit includes a second cemented lens and one or more positive lens components, the third lens unit includes one or more positive lens components and a third cemented lens, and the first cemented lens includes a negative lens closest to the reduction side and has a concave surface facing the reduction side, the second cemented lens has a positive refractive power and has a concave surface facing the enlargement side, the third cemented lens has a positive refractive power and has a negative lens on the reduction side.. .
Olympus Corporation

Optical system and image pickup apparatus including the same

At least one embodiment of an optical system includes, in order from an object side to an image side, a front unit having a plurality of lenses, an aperture stop, and a rear unit having a positive refractive power. In at least one embodiment, a positive lens and three or more negative lenses are disposed in the front unit, and the material of negative lenses included in the front unit, the focal length of the front unit, and the focal length of the entire optical system are set appropriately..
Canon Kabushiki Kaisha

Optical imaging system

An optical imaging system includes lenses. A prism is disposed adjacent to a first lens of the lenses and a second lens of the lenses, and is configured to refract light from the first lens to the second lens.
Samsung Electro-mechanics Co., Ltd.

Optical imaging system

There is provided an optical imaging system including a prism, a first fixed lens group, a first movable lens group, a second movable lens group, and a second fixed lens group. The prism is configured to refract light reflected from an object side toward an imaging plane and a reflecting member.
Samsung Electro-mechanics Co., Ltd.

Imaging lens

A compact high-resolution imaging lens which provides a wide field of view of 80 degrees or more and corrects various aberrations properly. Designed for a solid-state image sensor, the imaging lens includes constituent lenses arranged in the following order from an object side to an image side: a first positive (refractive power) lens having a convex object-side surface; a second negative lens having a concave image-side surface; a third positive lens as a double-sided aspheric lens having a convex object-side surface; a fourth positive lens having a convex image-side surface; a fifth lens as a double-sided aspheric lens having a concave image-side surface; and a sixth negative lens having a concave image-side surface.
Kantatsu Co., Ltd.

Imaging lens

A compact high-resolution imaging lens which provides a wide field of view of 80 degrees or more and corrects various aberrations properly. Designed for a solid-state image sensor, the imaging lens includes constituent lenses arranged in the following order from an object side to an image side: a first positive (refractive power) lens having a convex object-side surface; a second negative lens having a concave image-side surface; a third positive lens as a double-sided aspheric lens having a convex object-side surface; a fourth positive lens having a convex image-side surface; a fifth lens as a double-sided aspheric lens having a concave image-side surface; and a sixth negative lens having a concave image-side surface.
Kantatsu Co., Ltd.

Optical imaging system

There is provided an optical imaging system including a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens. The first lens includes a negative refractive power and a concave object-side surface.
Samsung Electro-mechanics Co., Ltd.

Image capturing lens system, image capturing apparatus and electronic device

An image capturing lens system, including, in order from an object side to an image side: a first lens element with positive refractive power having an object-side surface being convex thereof; a second lens element having negative refractive power; a third lens element; a fourth lens element; a fifth lens element with negative refractive power having at least one of an object-side surface and an image-side surface thereof being aspheric and having at least one inflection point thereof; and a sixth lens element with positive refractive power having both an object-side surface and an image-side surface being convex thereof and at least one of the object-side surface and the image-side surface thereof being aspheric; wherein the image capturing lens system has a total of six lens elements.. .
Largan Precision Co., Ltd.

Imaging lens

An imaging lens which uses a larger number of constituent lenses for higher performance and features a low f-value, low-profile design and a wide field of view. Designed for a solid-state image sensor, the imaging lens includes constituent lenses arranged in order from an object side to an image side: a first positive refractive power lens; a second negative refractive power lens; a third lens; a fourth lens; a fifth lens; a sixth lens having a concave image-side surface near an optical axis; and a seventh negative refractive power lens..
Kantatsu Co., Ltd.

Imaging lens

An imaging lens which uses a larger number of constituent lenses for higher performance and features a low f-value, low-profile design and a wide field of view. Designed for a solid-state image sensor, the imaging lens includes constituent lenses arranged in order from an object side to an image side: a first positive refractive power lens; a second negative refractive power lens; a third lens; a fourth lens; a fifth lens; a sixth lens having a concave image-side surface near an optical axis; and a seventh negative refractive power lens..
Kantatsu Co., Ltd.

Right-angle waveguide based on square-hole-type square-lattice photonic crystal and dual compensation scattering cylinders with low refractive index

Disclosed in the present invention is a square-hole square-lattice photonic crystal orthogonal waveguide having low refractive index twin compensation scattering columns, being a photonic crystal consisting of a low refractive-index first medium column in a high refractive-index background medium arranged in a square crystal lattice, there being removed from said photonic crystal one row and one column of the low refractive-index first medium so as to form an orthogonal waveguide; columns of a second and a third low refractive-index medium are configured at two turning points respectively of said orthogonal waveguide; the second and third medium columns are compensation scattering columns; said second and third medium compensation scattering columns are low refractive-index medium columns or air holes; the first medium column is a low refractive-index medium square column or square air hole. The structure of the present invention features very low reflectivity and an extremely high rate of data transmission, and facilitates integration of large scale light paths, thus affording wider space for application of photonic crystals..

Right-angle waveguide based on circular-cylinder-type square-lattice photonic crystal and dual compensation scattering cylinders with high refractive index

A right angle waveguide having a circular rod-type square lattice photonic crystal and dual compensation scattering rods having a high refractive index. The right angle waveguide is a photonic crystal formed from first dielectric rods having a high refractive index arranged in a background dielectric having a low refractive index according to a square lattice.

Right-angle waveguide based on square-cylinder-type square-lattice photonic crystal and single compensation scattering cylinder with high refractive index

A right angle waveguide having a square rod-type square lattice photonic crystal and a single compensation scattering rod having a high refractive index. The right angle waveguide is a photonic crystal formed from first dielectric rods having a high refractive index arranged in a background dielectric having a low refractive index according to a square lattice.

Right-angle waveguide based on square-cylinder-type square-lattice photonic crystal and dual compensation scattering cylinders with high refractive index

A right angle waveguide having a square rod-type square lattice photonic crystal and dual compensation scattering rods having a high refractive index. The right angle waveguide is a photonic crystal formed from first dielectric rods having a high refractive index arranged in a background dielectric having a low refractive index according to a square lattice.

Optical fiber

An optical fiber having a reduced attenuation includes a silica glass core and a silica glass cladding. The silica glass core has substantially no germanium and includes a first core and a second core.
Sumitomo Electric Industries, Ltd.

Backlight module with non-planar lateral structure and liquid crystal display apparatus using the same

A backlight module with a non-planar lateral structure and lcd apparatus using the same are described. The backlight module comprises a light source; and a light guide body comprising a lateral incident surface and a non-planar lateral structure adjacent to the emitting surface and the bottom surface therebetween; wherein the non-planar lateral structure is opposite lateral incident surface, and a first incident light and a second incident light pass through the lateral incident surface and enter the light guide body; and wherein the non-planar lateral structure reflects and refracts the first incident light so that the reflected and refracted light of the first incident light returns from the non-planar lateral structure back to the light guide body, and the returned first incident light and the second incident light are reflected again from the bottom surface and emitted from the emitting surface to an lcd panel..
Wuhan China Star Optoelectronics Technology Co., Ltd.

Band-pass filter

The present invention relates to a band-pass filter containing a plurality of films, having a reflective band centered on a predetermined wavelength λ and having a transmission band in a part within the reflective band, in which the band-pass filter further contains an additional layer formed of two continuous layers of a high refractive index film with an optical film thickness of λ/4.5 or less and a low refractive index film with an optical film thickness of λ/4.5 or less, inserted in at least one boundary out of boundaries of the plurality of films.. .
Asahi Glass Company, Limited

Optical component and producing the same

An optical component capable of sufficiently reducing reflection of light by controlling a change in refractive index, even if incident angle of light varies. An optical component includes a base, a moth-eye structure with predetermined concavities and convexities, and at least one buffer layer provided between the base and the moth-eye structure.
Scivax Corporation

Antireflection coating, optical element, optical system and optical apparatus

The antireflection coating is a multi-layer film to be formed on a surface of a substrate. The film includes multiple layers including an uppermost layer most distant from the substrate among the multiple layers, and a lower layer including at least one layer other than the uppermost layer.
Canon Kabushiki Kaisha

Small-scale light absorbers with large absorption cross-sections

A resonator coupled to a system exhibiting a negative phase index of refraction presents a magnified absorption cross-section providing an optical element that can be used for enhancing taggant detection or increasing photodetector efficiency.. .
Wisconsin Alumni Research Foundation

Disposable liquid chemical sensor system

Embodiments as disclosed herein may provide a sensor system including a container, such as a bag, having a port assembly integrated therewith. The port assembly includes an optically transparent window and be configured such that a sensor may be mechanically attached to the port assembly to interface with the optical window.
Entegris - Jetalon Solutions, Inc.

Integrated bound-mode spectral/angular sensors

A 2-d sensor array includes a semiconductor substrate and a plurality of pixels disposed on the semiconductor substrate. Each pixel includes a coupling region and a junction region, and a slab waveguide structure disposed on the semiconductor substrate and extending from the coupling region to the region.
Stc.unm

Remote phosphor lighting devices and methods

A lighting device and method generates monochromatic light from one or more light point sources. A phosphor body is spatially separated from the point light source(s) to receive the monochromatic light generated by the first point light source and provide a multi-wavelength light through luminescence.
Ge Lighting Solutions, Llc





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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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