Patents by Inventor Ernest Lee
Ernest Lee has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 12565611Abstract: ROSH compliant mixed quantum dot films are disclosed which, when contained in a film within a display, exhibit high color gamut, high energy efficiency, and a narrow full width at half maximum at individual wavelength emissions.Type: GrantFiled: July 6, 2022Date of Patent: March 3, 2026Assignee: SHOEI CHEMICAL INC.Inventors: Ernest Lee, ZhongSheng Luo
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Publication number: 20250296472Abstract: A modular battery system can allow for a varying number of battery modules to be connected or disconnected to the system to meet the power needs of particular applications, such as in use in different electrical vehicles. The system can provide parallel or series connections between the battery modules to further meet the power needs of the particular applications. The system can charge the battery modules and manage charging to charge a lowest voltage state battery module to increase battery efficiency and longevity.Type: ApplicationFiled: May 4, 2023Publication date: September 25, 2025Inventors: Dale Chi-Don CHIU, Vonn Robert CHRISTENSON, Robert Thomas CRUESS, Zakary SMITH, Jacob GOTBERG, Ernest LEE
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Publication number: 20220411691Abstract: ROSH compliant mixed quantum dot films are disclosed which, when contained in a film within a display, exhibit high color gamut, high energy efficiency, and a narrow full width at half maximum at individual wavelength emissions.Type: ApplicationFiled: July 6, 2022Publication date: December 29, 2022Applicant: Nanosys, Inc.Inventors: Ernest LEE, ZhongSheng LUO
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Patent number: 11420412Abstract: 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.Type: GrantFiled: September 16, 2021Date of Patent: August 23, 2022Assignee: Nanosys, Inc.Inventors: Robert S. Dubrow, William P. Freeman, Ernest Lee, Paul Furuta
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Patent number: 11396158Abstract: 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.Type: GrantFiled: July 22, 2021Date of Patent: July 26, 2022Assignee: Nanosys, Inc.Inventors: Robert S. Dubrow, William P. Freeman, Ernest Lee, Paul Furuta
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Patent number: 11320577Abstract: Embodiments of a display device are described. The display device includes a backlight unit having a light source, a quantum dot film, and a radiation absorbing element. The quantum dot film is optically coupled to the light source and is configured to process light received from the light source. The radiation absorbing element is optically coupled to the quantum dot film and is configured to tune a spectral emission width of the processed light received from the quantum dot film to achieve over 90% color gamut coverage of a standard RGB color space.Type: GrantFiled: October 19, 2017Date of Patent: May 3, 2022Assignee: Nanosys, Inc.Inventors: Ernest Lee, Jason Hartlove
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Publication number: 20220040954Abstract: 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.Type: ApplicationFiled: September 16, 2021Publication date: February 10, 2022Applicant: Nanosys, Inc.Inventors: Robert S. DUBROW, William P. FREEMAN, Ernest LEE, Paul FURUTA
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Patent number: 11198270Abstract: 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.Type: GrantFiled: December 10, 2020Date of Patent: December 14, 2021Assignee: NANOSYS, Inc.Inventors: Robert S. Dubrow, William P. Freeman, Ernest Lee, Paul Furuta
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Publication number: 20210347146Abstract: 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.Type: ApplicationFiled: July 22, 2021Publication date: November 11, 2021Applicant: Nanosys, Inc.Inventors: Robert S. DUBROW, William P. FREEMAN, Ernest LEE, Paul FURUTA
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Publication number: 20210129481Abstract: 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.Type: ApplicationFiled: December 10, 2020Publication date: May 6, 2021Applicant: Nanosys, Inc.Inventors: Robert S. DUBROW, William P. FREEMAN, Ernest LEE, Paul FURUTA
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Patent number: 10984735Abstract: 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.Type: GrantFiled: April 14, 2016Date of Patent: April 20, 2021Assignee: Nanosys, Inc.Inventors: Jian Chen, Ernest Lee, Robert E. Wilson, Steven Gensler
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Patent number: 10935842Abstract: A display device includes a backlight unit having a light source and a liquid crystal display (LCD) module. The light source is configured to emit a primary light in a first wavelength region. The LCD module includes a pixel having a first, second, and third sub-pixels. The first sub-pixel includes a first emissive surface configured to emit a first light in a second wavelength region. The second sub-pixel includes a second emissive surface configured to emit a second light in a third wavelength region. The third sub-pixel includes a third emissive surface configured to emit a third light in the first wavelength region. The third luminance is greater than the first luminance and the second luminance. An area of the third emissive surface is smaller than an area of the first emissive surface and an area of the second emissive surface.Type: GrantFiled: August 22, 2018Date of Patent: March 2, 2021Assignee: Nanosys, Inc.Inventors: Ernest Lee, Charles Hotz, ZhongSheng Luo, Jason Hartlove, Shihai Kan, Jian Chen
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Patent number: 10899105Abstract: 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.Type: GrantFiled: February 4, 2020Date of Patent: January 26, 2021Assignee: Nanosys, Inc.Inventors: Robert S. Dubrow, William P. Freeman, Ernest Lee, Paul Furuta
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Publication number: 20200249388Abstract: 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.Type: ApplicationFiled: February 4, 2020Publication date: August 6, 2020Applicant: Nanosys, Inc.Inventors: Robert S. DUBROW, William P. FREEMAN, Ernest LEE, Paul FURUTA
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Patent number: 10551553Abstract: 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.Type: GrantFiled: June 24, 2019Date of Patent: February 4, 2020Assignee: Nanosys, Inc.Inventors: Robert S. Dubrow, William P. Freeman, Ernest Lee, Paul Furuta
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Publication number: 20190391319Abstract: 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.Type: ApplicationFiled: June 24, 2019Publication date: December 26, 2019Applicant: Nanosys, Inc.Inventors: Robert S. DUBROW, William P. FREEMAN, Ernest LEE, Paul FURUTA
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Patent number: 10509263Abstract: Embodiments of a device and a method of forming the same are described. The device includes a backlight unit and an image generating unit. The backlight unit includes an optical cavity having a top side, a bottom side, and side walls. The backlight unit further includes an array of light sources coupled to the optical cavity and a quantum dot film positioned within the optical cavity. The quantum dot film is configured to process light received from the array of light sources and the backlight unit is configured to transit the processed light to the image generating unit. The method includes providing an optical cavity having a top side, a bottom side, and side walls. The method further includes coupling an array of light sources to the optical cavity and supporting a quantum dot film within the optical cavity.Type: GrantFiled: April 4, 2017Date of Patent: December 17, 2019Assignee: Nanosys, Inc.Inventors: Ernest Lee, Robert E. Wilson, Steven Gensler
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Patent number: 10444423Abstract: 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.Type: GrantFiled: February 3, 2015Date of Patent: October 15, 2019Assignee: Nanosys, Inc.Inventors: Robert S. Dubrow, William P. Freeman, Ernest Lee, Paul Furuta
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Patent number: 10416373Abstract: Disclosed herein are display systems comprising light-emitting, diodes (LEDs), suitably blue light LEDs, which demonstrate increased optical power output. In embodiments, the display systems include compositions comprising phosphors, including luminescent nanocrystals.Type: GrantFiled: March 2, 2018Date of Patent: September 17, 2019Assignee: Nanosys, Inc.Inventors: Jian Chen, Robert S. Dubrow, Steven Gensler, Jason Hartlove, Ernest Lee, Robert Edward Wilson
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Patent number: 10302845Abstract: 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.Type: GrantFiled: August 23, 2016Date of Patent: May 28, 2019Assignee: Nanosys, Inc.Inventors: Robert S. Dubrow, William P. Freeman, Ernest Lee, Paul Furuta