Milpitas, CA, United States
Milpitas, CA, United States

Nanosys is a nanotechnology company located in Milpitas, California, founded in 2001.Nanosys designs products for LCD displays based on quantum dots. Wikipedia.

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The present invention is in the field of nanostructure synthesis. The present invention is directed to methods for producing nanostructures, particularly Group III-V semiconductor nanostructures. The present invention is also directed to preparing Group III inorganic compounds that can be used as precursors for nanostructure synthesis.


Disclosed are highly luminescent nanostructures, particularly highly luminescent quantum dots, comprising a nanocrystal core of InP and shell layers of GaP and AlP. The nanostructures may have an additional shell layer. Also provided are methods of preparing the nanostructures, films comprising the nanostructure and devices comprising the nanostructures.


Patent
Nanosys | Date: 2017-05-24

The present invention relates to silicone polymer ligands for binding to quantum dots. The silicone polymer ligands contain a multiplicity of amine, carboxy, and/or phosphine binding groups suitable for attachment to quantum dots. The present invention also describes a process for the preparation of quantum dot binding ligands.


Patent
Nanosys | Date: 2016-09-14

Embodiments of a local optic using quantum dots are described. A local optic includes an optical source on a substrate, a housing, and a film that includes quantum dots. The housing is designed to fit around the optical source and has a cross-sectional area along a plane parallel to a surface of the substrate. The film is designed to sit on top of the housing and has a substantially similar cross-sectional area to the cross-sectional area of the housing.


Highly luminescent nanostructures comprising a ZnSe core and ZnS shell layers, particularly highly luminescent quantum dots, are provided. The nanostructures have high photoluminescence quantum yields and in certain embodiments emit light at particular wavelengths and have a narrow size distribution. Processes for producing such highly luminescent nanostructures and techniques for shell synthesis are also provided.


Embodiments of a display device including barrier layer coated quantum dots and a method of making the barrier layer coated quantum dots are described. Each of the barrier layer coated quantum dots includes a core-shell structure and a hydrophobic barrier layer disposed on the core-shell structure. The hydrophobic barrier layer is configured to provide a distance between the core-shell structure of one of the quantum dots with the core-shell structures of other quantum dots that are in substantial contact with the one of the quantum dots. The method for making the barrier layer coated quantum dots includes forming reverse micro-micelles using surfactants and incorporating quantum dots into the reverse micro-micelles. The method further includes individually coating the incorporated quantum dots with a barrier layer and isolating the barrier layer coated quantum dots with the surfactants of the reverse micro-micelles disposed on the barrier layer.


Patent
Nanosys | Date: 2016-12-02

Quantum dots and methods of making quantum dots are described. A method begins with forming quantum dots having a core-shell structure with a plurality of ligands on the shell structure. The method includes exchanging the plurality of ligands with a plurality of second ligands. The plurality of second ligands have a weaker binding affinity to the shell structure than the plurality of first ligands. The plurality of second ligands are then exchanged with hydrolyzed alkoxysilane to form a monolayer of hydrolyzed alkoxysilane on a surface of the shell structure. The method includes forming a barrier layer around the shell structure by using the hydrolyzed alkoxysilane as a nucleation center.


Light-emitting quantum dot films, quantum dot lighting devices, and quantum dot-based backlight units are provided. Related compositions, components, and methods are also described. Improved quantum dot encapsulation and matrix materials are provided. Quantum dot films with protective barriers are described. High-efficiency, high brightness, and high-color purity quantum dot-based lighting devices are also included, as well as methods for improving efficiency and optical characteristics in quantum dot-based lighting devices.


Light-emitting quantum dot films, quantum dot lighting devices, and quantum dot-based backlight units are provided. Related compositions, components, and methods are also described. Improved quantum dot encapsulation and matrix materials are provided. Quantum dot films with protective barriers are described. High-efficiency, high brightness, and high-color purity quantum dot-based lighting devices are also included, as well as methods for improving efficiency and optical characteristics in quantum dot-based lighting devices.


Patent
Nanosys | Date: 2016-04-14

Embodiments of a device and a method of tuning white point values of light distributed by a backlight unit of a display device are described. The device includes a backlight unit, an image generating unit, and a patterned layer. The backlight unit includes a light source unit and an optical processing unit having a quantum dot film coupled to the light source unit. The image generating unit includes a display screen. The backlight unit is configured to distribute light to the display screen and the patterned layer is configured to tune white point values of the distributed light to a desired white point value in order to achieve substantially uniform white point values across the display screen.

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