Images List Premium Download Classic

Refraction

Refraction-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


loading
Light emitting, photovoltaic or other electronic apparatus and system
U.s. Government As Represented By The Administrator Of The National Aeronautics And Spac
April 12, 2018 - N°20180102457

The present invention provides an electronic apparatus, such as a lighting device comprised of light emitting diodes (leds) or a power generating apparatus comprising photovoltaic diodes, which may be created through a printing process, using a semiconductor or other substrate particle ink or suspension and using a lens particle ink or suspension. An exemplary apparatus comprises a base; at least ...
Liquid crystal display device
Shenzhen China Star Optoelectronics Technology Co., Ltd.
April 12, 2018 - N°20180101055

The invention provides an lcd device, with both the upper polarizer and the lower polarizer having a multi-layer film structure, and comprising a plurality of stacked polarizing film units, with each comprising at least two layers of material films with different refraction index. The backlight module emits light to shine onto the upper and lower polarizers at a tilt angle, ...
Display apparatus
Samsung Electronics Co., Ltd.
April 12, 2018 - N°20180101050

A display apparatus is provided. The display apparatus includes a display panel that displays an image in a forward direction thereof; a bezel disposed on an edge of the display panel; and a light refraction member disposed in front of the bezel, the light refraction member including a transparent material, and refracting light of an outer rear side of the ...
Refraction Patent Pack
Download 151+ patent application PDFs
Refraction Patent Applications
Download 151+ Refraction-related PDFs
For professional research & prior art discovery
inventor
  • 151+ full patent PDF documents of Refraction-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Cover window and display device using the same
Lg Display Co., Ltd.
April 05, 2018 - N°20180096635

Disclosed are a cover window in which both a folding area and a non-folding area are formed using the same kind of material, thereby matching the indices of refraction thereof with each other, having the same heat resistance, and ensuring easy surface hard coating thereof, and a display device using the same. The cover window, having at least one folding ...
Devices for refractive field visualization
Massachusetts Institute Of Technology
April 05, 2018 - N°20180096482

An apparatus according to an embodiment of the present invention enables measurement and visualization of a refractive field such as a fluid. An embodiment device obtains video captured by a video camera with an imaging plane. Representations of apparent motions in the video are correlated to determine actual motions of the refractive field. A textured background of the scene can ...
Self guided subjective refraction instruments and methods
April 05, 2018 - N°20180092525

A refraction device determines a refraction end point to provide corrective optics for a test subject. The device includes an adjustable optical system providing corrective optics to the test subject and an adjustable viewing target disposed along an optical path such as to be viewable through the adjustable optical system by a test subject. The adjustable viewing target includes a ...
Refraction Patent Pack
Download 151+ patent application PDFs
Refraction Patent Applications
Download 151+ Refraction-related PDFs
For professional research & prior art discovery
inventor
  • 151+ full patent PDF documents of Refraction-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Microlens array, image display apparatus, object apparatus, and mold
March 29, 2018 - N°20180088255

θ denotes an angle formed by a main-axis orientation of double refraction and a reference orientation.
Optical glass, glass preform and optical element
Cdgm Glass Co., Ltd
March 29, 2018 - N°20180086659

A high-refraction low-dispersion optical glass with refractive index of 1. 77-1. 85 and abbe number of 40-48, includes the following components by mole percentage: 5-25% of sio2, 15-45% of b2o3, 5-25% of la2o3, 1-20% of gd2o3, 0-10% of y2o3, 0-8% of tio2, 0-8% of ta2o5, more than 0 but less than or equal to 8% of nb2o5, more ...
Optical glass, glass preform and optical element
Cdgm Glass Co., Ltd
March 29, 2018 - N°20180086658

The invention provides a high-refraction low-dispersion optical glass with low material cost, refractive index of 1. 77-1. 85, and abbe number of 40-48, wherein the following components by weight percentage: 4-20% of sio2, 8-24% of b2o3, 20-40% of la2o3, 11-30% of gd2o3, 0-15% of y2o3, 0-8% of tio2, 0-8% of ta2o5, more than 0 but less than or ...
High-q amplified resonator
Lgs Innovations Llc
March 22, 2018 - N°20180083410

Ring resonators and methods of making and using the same are disclosed. In certain embodiments, a ring resonator may include a waveguide comprising a pump bus and a signal bus disposed adjacent a ring guide, the pump bus and signal bus configured to couple electromagnetic signals to and from ring guide, wherein at least a portion of the waveguide comprises ...
Optical waveguide having a wide brillouin bandwidth
Honeywell International Inc.
March 22, 2018 - N°20180081206

An embodiment of a waveguide has a brillouin bandwidth, and includes cladding and a core. The cladding includes first layers of a first material, each first layer having a physical characteristic of approximately a first value, and includes second layers of a second material, each second layer having the physical characteristic of approximately a second value, the second layers alternating ...
Prism-based scanner
Apple Inc.
March 22, 2018 - N°20180081168

Optical scanning apparatus includes a triangular prism, having first and second side faces and a base. A transmitter directs a beam of optical radiation into the prism through the first side face, which refracts the beam so that the optical radiation is incident on and reflects from the base within the prism at a reflection angle that is greater than ...
Anti-skid high retroreflectivity preformed thermoplastic composites for runway applications
Flint Trading, Inc.
March 22, 2018 - N°20180080185

Disclosed is an alkyd or hydrocarbon resin-based pre-manufactured thermoplastic airport runway signage that is applied in relatively large sections onto an airport runway where the alkyd or hydrocarbon resin-based composite includes a functionalized wax incorporated in the resin-based composite within the range of 0. 2 to 3 percent by weight, thereby allowing the resin-based composite to exist in a molten state within a ...
Refraction Patent Pack
Download 151+ patent application PDFs
Refraction Patent Applications
Download 151+ Refraction-related PDFs
For professional research & prior art discovery
inventor
  • 151+ full patent PDF documents of Refraction-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Ray-tracing methods for realistic interactive ultrasound simulation
Eidgenoessische Technische Hochschulezurich (ethz)
March 08, 2018 - N°20180068590

Stochastic ray-tracing methods such as monte-carlo ray-tracing may be adapted to provide more efficient and more realistic ultrasound imaging systems and methods. Many random ray paths that are perturbed according to a probability distribution may be generated until they converge to the correct solution. New surface thickness and roughness models enable to reproduce complex ultrasound interactions such as multiple reflections ...
Floating hologram apparatus
Kt Corporation
March 08, 2018 - N°20180067329

A floating hologram apparatus that generates a floating hologram includes: a display; an optical element in front of the display; a memory configured that stores chromatic dispersion data representing degrees of refraction of light rays; a compensated image generation unit configured that generates a compensated image by rearranging sub-pixels of each pixel of the original image based on the chromatic ...
Optical modulating device, beam steering device, and system employing the same
Samsung Electronics Co., Ltd.
March 01, 2018 - N°20180059505

An optical modulating device, a beam steering device, and a system employing the same are provided. The optical modulating device includes an active layer, a driver configured to electrically control a refraction index of the active layer, and a nano-antenna disposed on the active layer, and having a dual nano-antenna structure including a first nano-antenna and a second nano-antenna, the ...
Light diffusers for backlit displays
Apple Inc.
March 01, 2018 - N°20180059482

An array of pixels in a display may be illuminated by a backlight having an array of light-emitting diodes in an array of respective light-emitting diode cells. A cavity reflector in each cell may help distribute blue light emitted from the light-emitting diode of that cell toward edges of the cell. Optical films in the backlight may include a photoluminescent ...
Novel light guide plate lamp
Zhongshan Winstar Electrical Co., Ltd.
March 01, 2018 - N°20180059307

The present invention discloses a novel light guide plate lamp. A light guide plate is disposed at an opening of a casing, a bottom reflective surface is disposed between the bottom of the casing and the light guide plate, and lateral reflective surfaces are disposed between the lateral surfaces of the casing and the lateral surfaces of the light guide ...
Chemical nano-identification of a sample using normalized near-field spectroscopy
Bruker Nano, Inc.
March 01, 2018 - N°20180059136

Apparatus and method for nano-identification a sample by measuring, with the use of evanescent waves, optical spectra of near-field interaction between the sample and optical nanoantenna oscillating at nano-distance above the sample and discriminating background backscattered radiation not sensitive to such near-field interaction. Discrimination may be effectuated by optical data acquisition at periodically repeated moments of nanoantenna oscillation without knowledge ...
Method and apparatus for motion compensation in interferometric sensing systems
Intuitive Surgical Operations, Inc.
March 01, 2018 - N°20180058838

An optical interrogation system, e. G., an ofdr-based system, measures local changes of index of refraction of a sensing light guide subjected to a time-varying disturbance. Interferometric measurement signals detected for a length of the sensing light guide are transformed into the spectral domain. A time varying signal is determined from the transformed interferometric measurement data set. A compensating signal ...
Temperable three layer antireflective coating, coated article including temperable three layer antireflective coating, and/or ...
Guardian Glass, Llc
March 01, 2018 - N°20180057398

A coated article includes a temperable antireflection (ar) coating that utilizes medium and low index (index of refraction “n”) layers having compressive residual stress in the ar coating. In certain example embodiments, the coating may include the following layers from the glass substrate outwardly: silicon oxynitride (sioxny) medium index layer/high index layer/low index layer. ...
Loading