Patents by Inventor Shungneng Lee
Shungneng 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: 11874462Abstract: An intraocular micro-display (IOMD) system includes an auxiliary head unit. The auxiliary head unit includes a frame for mounting to a head of a user, a scene camera module mounted in or on the frame in a forward-facing orientation, a gaze tracking module disposed in or on the frame and configured to monitor an eye of the user, and an auxiliary controller. The auxiliary controller includes for: acquiring a scene image with the scene camera module, determining a gazing direction of the eye based upon gaze direction data from the gaze tracking module, identifying a sub-portion of the scene image based upon the gazing direction, and wirelessly relaying the sub-portion of the scene image to an IOMD implant within the eye for displaying to a retina of the eye.Type: GrantFiled: March 23, 2020Date of Patent: January 16, 2024Assignee: Twenty Twenty Therapeutics LLCInventors: Shungneng Lee, Supriyo Sinha, Dimitri Azar
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Patent number: 11813452Abstract: A device is presented herein that is configured to be located underneath an eyelid and worn by a user for treating dry eye. The device includes a first surface configured to face a portion of a sclera of the eye, and a second surface configured to face an eyelid and to be completely covered by the eyelid. In some embodiments, the device further includes a plurality of stimulation electrodes proximal to the first surface, wherein the plurality of stimulation electrodes is configured to stimulate the sclera. The device further includes an energy storage element coupled to the plurality of stimulation electrodes. The energy storage element is configured to supply power to the plurality of stimulation electrodes. The device further includes a processor configured to control a supply of energy from the energy storage element to the plurality of stimulation electrodes to stimulate the sclera.Type: GrantFiled: September 8, 2022Date of Patent: November 14, 2023Assignee: TWENTY TWENTY THERAPEUTICS LLCInventors: Dimitri Azar, Fred Shungneng Lee, Timothy Stowe
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Publication number: 20230284979Abstract: A contact lens system includes a shared antenna electrode, an accommodation actuator to provide variable optical power, and a controller coupled to the accommodation actuator and the shared antenna electrode. The controller including logic for arbitrating access to the shared antenna electrode between an impedance sensor and a communication circuit; selectively establishing an oscillator with the impedance sensor and the shared antenna electrode; correlating an oscillation condition of the oscillator to an accommodation setting; and adjusting the variable optical power of the accommodation actuator based upon the accommodation setting. An impedance across the shared antenna electrode varies based upon an amount an eyelid overlaps the contact lens system when the contact lens system is worn on an eye.Type: ApplicationFiled: March 17, 2023Publication date: September 14, 2023Inventors: Shungneng Lee, Tong Zhang
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Patent number: 11747216Abstract: The temperature-dependent resistance of a MEMS structure is compared with an effective resistance of a switched CMOS capacitive element to implement a high performance temperature sensor.Type: GrantFiled: December 6, 2021Date of Patent: September 5, 2023Assignee: SiTime CorporationInventors: Michael H. Perrott, Shungneng Lee
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Patent number: 11733546Abstract: An apparatus with a built-in self-test includes a sensor electrode, an impedance sensor coupled to the sensor electrode to measure a test impedance of the sensor electrode as influenced by an external load, a secondary electrode disposed adjacent to the sensor electrode to inductively couple with the sensor electrode and influence the external load on the sensor electrode, a first switch coupled to the secondary electrode to selectively change a second impedance of the secondary electrode, and a controller coupled to the impedance sensor and the first switch. The controller includes logic for adjusting the first switch to wirelessly load the sensor electrode with the secondary electrode in a predetermined impedance state, measuring the test impedance with the impedance sensor while the secondary electrode is in the predetermined impedance state, and comparing the measured test impedance against a threshold impedance range to perform a self-test.Type: GrantFiled: February 27, 2020Date of Patent: August 22, 2023Assignee: Verily Life Sciences LLCInventors: Shungneng Lee, Tong Zhang
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Patent number: 11668956Abstract: An eye-mountable device is provided that includes an eyelid occlusion sensor. The eyelid occlusion sensor is used to detect winks, squints, downwards glances or looks, blinks, or other eye-based gestures generated by the user. Based on the detected gestures, an optical power of an adjustable lens of the device may be changed or some other operations could be performed by the eye-mountable device. Such operations could include toggling the optical power of the lens between first and second power levels due to the user squinting, looking downward, or performing some other gesture. Additionally or alternatively, such operations could include setting the optical power of the lens to a first optical power unless the user is looking downward, in which case the optical power of the lens could be set to a second optical power.Type: GrantFiled: May 7, 2021Date of Patent: June 6, 2023Assignee: Verily Life Sciences LLCInventors: Shungneng Lee, Christian Gutierrez, Tim English, Brian Kim
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Publication number: 20230168489Abstract: An implant that is to be implanted inside the eye of a person contains a laser projection scanning subsystem that is configured to “paint” an image of the scene that is before the person, on the retina. The image of the scene may be acquired by a digital camera that is attached to a head unit that may be worn by the person, and then transmitted to the implant. Other aspects are also described and claimed.Type: ApplicationFiled: November 28, 2022Publication date: June 1, 2023Inventors: Supriyo SINHA, Shungneng LEE, Dimitri AZAR
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Publication number: 20230127885Abstract: a substrate configured to be positioned in the presence of a fluid; a first electrode comprising a conductive film disposed on the substrate; and a second electrode comprising the conductive film disposed on the substrate and spaced from the first electrode. The device may further include a current measurement circuit configured to: apply a voltage between the first electrode and the second electrode, wherein the voltage is in an electrochemical active range of the conductive film such that a portion of the conductive film dissolves into the fluid; and transmit, to a processor, a signal indicating a current measurement of an electrical current flowing through the fluid including the dissolved portion of the conductive film.Type: ApplicationFiled: October 25, 2022Publication date: April 27, 2023Inventors: Zidong Li, Shungneng Lee
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Patent number: 11607172Abstract: A contact lens system includes a shared antenna electrode, an accommodation actuator to provide variable optical power, and a controller coupled to the accommodation actuator and the shared antenna electrode. The controller including logic for arbitrating access to the shared antenna electrode between an impedance sensor and a communication circuit; selectively establishing an oscillator with the impedance sensor and the shared antenna electrode; correlating an oscillation condition of the oscillator to an accommodation setting; and adjusting the variable optical power of the accommodation actuator based upon the accommodation setting. An impedance across the shared antenna electrode varies based upon an amount an eyelid overlaps the contact lens system when the contact lens system is worn on an eye.Type: GrantFiled: December 19, 2019Date of Patent: March 21, 2023Assignee: Verily Life Sciences LLCInventors: Shungneng Lee, Tong Zhang
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Publication number: 20230011432Abstract: Devices and methods for treating dry eye and other ophthalmic conditions are provided. The devices may be configured to be located in a patient's fornix. In one embodiment, a device includes a flexible substrate, an antenna disposed on a first side of the substrate, one or more electronic components disposed on the first side of the substrate, and a first electrode and a second electrode disposed on a second side of the substrate opposite the first side. Each of the first electrode and the second electrode comprises an electrode surface and a plurality of slots in the electrode surface defining a plurality of electrode prongs. The plurality of slots facilitate or promote near-field coupling between a transmitter and the antenna. The one or more electronic components are configured to provide electrical power to the first electrode and the second electrode.Type: ApplicationFiled: July 6, 2022Publication date: January 12, 2023Inventors: Shungneng Lee, Anil Kumar Ram Rakhyani
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Publication number: 20230001207Abstract: According to some aspects, a device is presented herein that is configured to be located underneath an eyelid and worn by a user for treating dry eye. The device includes a first surface configured to face a portion of a sclera of the eye, and a second surface configured to face an eyelid and to be completely covered by the eyelid. In some embodiments, the device further includes a plurality of stimulation electrodes proximal to the first surface, wherein the plurality of stimulation electrodes is configured to stimulate the sclera. The device further includes an energy storage element coupled to the plurality of stimulation electrodes. The energy storage element is configured to supply power to the plurality of stimulation electrodes. The device further includes a processor configured to control a supply of energy from the energy storage element to the plurality of stimulation electrodes to stimulate the sclera.Type: ApplicationFiled: September 8, 2022Publication date: January 5, 2023Inventors: Dimitri Azar, Fred Shungneng Lee, Timothy Stowe
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Patent number: 11446495Abstract: According to some aspects, a device is presented herein that is configured to be located underneath an eyelid and worn by a user for treating dry eye. The device includes a first surface configured to face a portion of a sclera of the eye, and a second surface configured to face an eyelid and to be completely covered by the eyelid. In some embodiments, the device further includes a plurality of stimulation electrodes proximal to the first surface, wherein the plurality of stimulation electrodes is configured to stimulate the sclera. The device further includes an energy storage element coupled to the plurality of stimulation electrodes. The energy storage element is configured to supply power to the plurality of stimulation electrodes. The device further includes a processor configured to control a supply of energy from the energy storage element to the plurality of stimulation electrodes to stimulate the sclera.Type: GrantFiled: May 13, 2020Date of Patent: September 20, 2022Assignee: TWENTY TWENTY THERAPEUTICS LLCInventors: Dimitri Azar, Fred Shungneng Lee, Timothy Stowe
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Publication number: 20220252849Abstract: An intraocular micro-display (IOMD) implant includes an enclosure shaped for implantation into an eye, a micro-display, a base lens, and an adjustable lens. The micro-display is disposed in the enclosure and oriented to emit an image towards a retina of the eye. The base lens has a fixed optical power, is attached to the enclosure, and is positioned relative to the micro-display to reside in an optical path extending between the micro-display and the retina. The base lens is configured to apply the fixed optical power to the image. The adjustable lens is disposed in the optical path between the micro-display and the retina. The adjustable lens has an adjustable optical power that is adjustable in-situ to adjust a focal distance of the image projected by the IOMD implant after the IOMD implant has been implanted into the eye.Type: ApplicationFiled: March 23, 2020Publication date: August 11, 2022Inventors: Shungneng Lee, Supriyo Sinha, Dimitri Azar
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Publication number: 20220226156Abstract: An intraocular micro-display system includes an intraocular micro-display (IOMD) implant and an auxiliary head unit for delivering power and image data to the IOMD implant. The IOMD implant includes an enclosure shaped for implantation into an eye, a micro-display to emit images towards a retina, an energy storage unit to power the micro-display, a charging antenna for wireless charging of the energy storage unit via a power signal incident upon the first charging antenna, and a data antenna to wirelessly receive the image data for driving the micro-display to emit the images. The charging antenna and the data antenna are implantable into the eye with the IOMD implant.Type: ApplicationFiled: March 23, 2020Publication date: July 21, 2022Inventors: Shungneng Lee, Dimitri Azar
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Patent number: 11394296Abstract: A voltage driver can be operated to power an electrowetting lens of an eye-implantable or eye-mountable device. The voltage driver includes a first charge pump that outputs a first voltage having a first polarity and a second charge pump that outputs a second voltage having a second polarity, where the second polarity is an opposite polarity of the first polarity. The voltage driver can be operated to charge the electrowetting lens by coupling the first charge pump to the electrowetting lens and, after charging the electrowetting lens, discharge the electrowetting lens by coupling the second charge pump to the electrowetting lens. In operation, charging and discharging the electrowetting lens adjusts an optical power of the electrowetting lens and can thus adjust an optical power available for vision when the electrowetting lens is implanted in or mounted on an eye.Type: GrantFiled: September 29, 2018Date of Patent: July 19, 2022Assignee: Verily Life Sciences LLCInventor: Shungneng Lee
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Publication number: 20220218514Abstract: A system for treating dry eye is presented. According to some aspects, the system includes an underlid device having an anterior surface and a posterior surface, wherein the anterior surface is configured to contact a portion of an eyelid, and wherein the posterior surface is configured to contact a portion of an eyeball. The underlid device further includes a Peltier heat pump. The Peltier heat pump includes a first surface configured to heat the eyelid when the device is positioned between the eyelid and the eyeball, and a second surface configured to cool a portion of a surface of the eyeball when the device is positioned between the eyelid and the eyeball. The underlid device further includes an energy storage element coupled to the Peltier heat pump and configured to supply power to the Peltier heat pump.Type: ApplicationFiled: May 14, 2020Publication date: July 14, 2022Inventors: Dimitri Azar, Fred Shungneng Lee
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Publication number: 20220214541Abstract: An intraocular micro-display (IOMD) system includes an auxiliary head unit. The auxiliary head unit includes a frame for mounting to a head of a user, a scene camera module mounted in or on the frame in a forward-facing orientation, a gaze tracking module disposed in or on the frame and configured to monitor an eye of the user, and an auxiliary controller. The auxiliary controller includes for: acquiring a scene image with the scene camera module, determining a gazing direction of the eye based upon gaze direction data from the gaze tracking module, identifying a sub-portion of the scene image based upon the gazing direction, and wirelessly relaying the sub-portion of the scene image to an IOMD implant within the eye for displaying to a retina of the eye.Type: ApplicationFiled: March 23, 2020Publication date: July 7, 2022Inventors: Shungneng Lee, Supriyo Sinha, Dimitri Azar
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Patent number: 11324944Abstract: An electrical cable assembly amenable to implantation into a body includes a flexible cable. The flexible cable includes a dielectric substrate, a conductor lead for conducting an electrical signal, a conductive barrier layer, and an overmold layer. The conductor lead is embedded within and surrounded by the dielectric substrate. The conductive barrier layer surrounds the dielectric substrate and encases the dielectric substrate and conductor lead in a cavity. The conductive barrier layer is a continuous material layer that is neither braided nor spiral wrapped and provides a hermetic barrier formed of a metallic or inorganic material. The overmold layer provides one or more of mechanical protection or strain relief to the conductive barrier layer.Type: GrantFiled: July 23, 2019Date of Patent: May 10, 2022Assignee: Verily Life Sciences LLCInventors: Stein Kuiper, Kedar Shah, Patricia Johnson, Anil Ram Rakhyani, Shungneng Lee, Georges Geotz
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Patent number: 11273029Abstract: An intraocular lens (IOL) includes one or more haptic structures coupled to hold the IOL (100A) system in an eye. The IOL also includes one or more mechanical-to-electrical transducers (107) that detect mechanical changes in the eye and, in response to the mechanical changes, output an electrical signal. An accommodation actuator (101) is electrically coupled to the one or more mechanical-to-electrical transducers, and in response to the electrical signal the optical power of the accommodation actuator changes.Type: GrantFiled: September 26, 2017Date of Patent: March 15, 2022Assignee: Verily Life Sciences LLCInventors: Jeremy L. Emken, Shungneng Lee
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Patent number: 11243415Abstract: A contact lens, system of contact lenses, and a method for detecting eye convergence includes detecting a first inward gaze with first gaze detection circuitry included in a first contact lens disposed on a first eye. A first inward gaze signal is transmitted from the first contact lens to a second contact lens disposed in a second eye in response to detecting the first inward gaze. A second inward gaze is detected with second gaze detection circuitry included in a second contact lens disposed on the second eye. The first inward gaze signal is received by the second contact lens. If the first inward gaze signal is received within a pre-determined time period from detecting the second inward gaze, an optical power for the second eye is adjusted.Type: GrantFiled: March 29, 2019Date of Patent: February 8, 2022Assignee: Verily Life Sciences LLCInventor: Shungneng Lee