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公开(公告)号：US11474284B2
公开(公告)日：2022-10-18
申请号：US16500631
申请日：2018-04-05
Applicant: CORNING INCORPORATED
Inventor： Jann Paul Kaminski , Raymond Miller Karam , Dragan Pikula , Daniel Ohen Ricketts
Abstract: Control systems for liquid lenses can use feedback control using one or more measured parameters indicative of a position of the fluid interface in the liquid lens. Capacitance between a fluid and an electrode in the liquid lens can vary depending on the position of the fluid interface. Current mirrors can be used for making measurements indicative of the capacitance and/or the fluid interface position. The liquid lens can be calibrated using the measurements indicative of capacitance and/or fluid interface position as the voltage is driven across an operational range. A control system can use pulse width modulation (PWM) for driving a liquid lens, and a carrier frequency for the PWM signals can be varied to control power consumption in the liquid lens. The slew rate can be adjustable to control power consumption in the liquid lens.
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公开(公告)号：US11822100B2
公开(公告)日：2023-11-21
申请号：US16500627
申请日：2018-04-05
Applicant: CORNING INCORPORATED
Inventor： Jann Paul Kaminski , Raymond Miller Karam , Dragan Pikula , Daniel Ohen Ricketts
CPC classification number: G02B3/14 , G02B3/0006 , G02B26/004 , G02B27/646
Abstract: Control systems for liquid lenses can use feedback control using one or more measured parameters indicative of a position of the fluid interface in the liquid lens. Capacitance between a fluid and an electrode in the liquid lens can vary depending on the position of the fluid interface. Current mirrors can be used for making measurements indicative of the capacitance and/or the fluid interface position. The liquid lens can be calibrated using the measurements indicative of capacitance and/or fluid interface position as the voltage is driven across an operational range. A control system can use pulse width modulation (PWM) for driving a liquid lens, and a carrier frequency for the PWM signals can be varied to control power consumption in the liquid lens. The slew rate can be adjustable to control power consumption in the liquid lens.
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公开(公告)号：US20210086294A1
公开(公告)日：2021-03-25
申请号：US16971501
申请日：2019-02-22
Applicant: CORNING INCORPORATED
Inventor： Hasan Fiaz , Jann Paul Kaminski , Raymond Miller Karam , Brian Nilsen , Marie Bernadette O'Regan , Garrett Andrew Piech , Charles Jueilei Wang , Ming Ying
Abstract: A method of separating a portion of an object comprising: presenting an object having a thickness; using a laser emission at a wavelength to perforate at least a portion of the thickness of the object sequentially over a length to form a series of perforations between a first portion of the object on one side of the series of perforations and a second portion of the object on the other side of the series of perforations; and applying a stress to the object at the series of perforations to separate the first portion of the object from the second portion of the object, wherein the thickness of the object, at the series of perforations, is transparent to the wavelength of the laser emission.
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公开(公告)号：US20200271917A1
公开(公告)日：2020-08-27
申请号：US16762411
申请日：2018-11-14
Applicant: CORNING INCORPORATED
Inventor： Jann Paul Kaminski , Raymond Miller Karam , Ian Armour McKay , Dragan Pikula , Thomas M Wynne
Abstract: A liquid lens system includes first and second liquids disposed within a cavity. An interface between the first and second liquids defines a variable lens. A common electrode is in electrical communication with the first liquid. A driving electrode is disposed on a sidewall of the cavity and insulated from the first and second liquids. A controller supplies a common voltage to the common electrode and a driving voltage to the driving electrode. A voltage differential between the common voltage and the driving voltage is based at least in part on at least one of: (a) a first reference capacitance of a first reference electrode pair disposed within the first portion of the cavity and insulated from the first liquid or (b) a second reference capacitance of a second reference electrode pair disposed within the second portion of the cavity and insulated from the first liquid and the second liquid.
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公开(公告)号：US11992894B2
公开(公告)日：2024-05-28
申请号：US16971501
申请日：2019-02-22
Applicant: CORNING INCORPORATED
Inventor： Hasan Fiaz , Jann Paul Kaminski , Raymond Miller Karam , Brian Nilsen , Marie Bernadette O'Regan , Garrett Andrew Piech , Sergio Tsuda , ChuanChe Wang , Ming Ying
CPC classification number: B23K26/0006 , B23K26/32 , C03B33/0222 , C03C23/0025 , C03C27/08
Abstract: A method of separating a portion of an object comprising: presenting an object having a thickness; using a laser emission at a wavelength to perforate at least a portion of the thickness of the object sequentially over a length to form a series of perforations between a first portion of the object on one side of the series of perforations and a second portion of the object on the other side of the series of perforations; and applying a stress to the object at the series of perforations to separate the first portion of the object from the second portion of the object, wherein the thickness of the object, at the series of perforations, is transparent to the wavelength of the laser emission.
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Patent Agency Ranking
公开(公告)号：US11567242B2
公开(公告)日：2023-01-31
申请号：US16763439
申请日：2018-11-15
Applicant: CORNING INCORPORATED , LG INNOTEK CO., LTD.
Inventor： Jann Paul Kaminski , Raymond Miller Karam , Robert Bruce Lyon , Ian Armour McKay , Dragan Pikula , Daniel Ohen Ricketts
IPC: G02B3/14
Abstract: A liquid lens can be coupled to ground, such as to impede charge from building up in the liquid lens during operation thereof. For example, an electrode that is in electrical communication with a conductive fluid of the liquid lens can be coupled to ground. A switch can be used to selectively couple the liquid lens to ground, such as for discharging the liquid lens. An electrode can be selectively coupled to ground and to driving signals using a switch. In some cases, drive signals can be provided to electrodes other than the grounded electrode for driving the liquid lens. In some cases, the liquid lens can be driven using feedback control based on one or more measured parameters indicative capacitance between a fluid and one or more electrodes in the liquid lens.
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公开(公告)号：US20200096678A1
公开(公告)日：2020-03-26
申请号：US16500627
申请日：2018-04-05
Applicant: CORNING INCORPORATED
Inventor： Jann Paul Kaminski , Raymond Miller Karam , Dragan Pikula , Daniel Ohen Ricketts
Abstract: Control systems for liquid lenses can use feedback control using one or more measured parameters indicative of a position of the fluid interface in the liquid lens. Capacitance between a fluid and an electrode in the liquid lens can vary depending on the position of the fluid interface. Current mirrors can be used for making measurements indicative of the capacitance and/or the fluid interface position. The liquid lens can be calibrated using the measurements indicative of capacitance and/or fluid interface position as the voltage is driven across an operational range. A control system can use pulse width modulation (PWM) for driving a liquid lens, and a carrier frequency for the PWM signals can be varied to control power consumption in the liquid lens. The slew rate can be adjustable to control power consumption in the liquid lens.
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公开(公告)号：US11960104B2
公开(公告)日：2024-04-16
申请号：US16500611
申请日：2018-04-05
Applicant: CORNING INCORPORATED
Inventor： Jann Paul Kaminski , Raymond Miller Karam , Robert Bruce Lyon , Dragon Pikula , Daniel Ohen Ricketts
CPC classification number: G02B3/14 , G02B3/0006 , G02B26/004 , G02B27/646
Abstract: Control systems for liquid lenses can use feedback control using one or more measured parameters indicative of a position of the fluid interface in the liquid lens. Capacitance between a fluid and an electrode in the liquid lens can vary depending on the position of the fluid interface. Current mirrors can be used for making measurements indicative of the capacitance and/or the fluid interface position. The liquid lens can be calibrated using the measurements indicative of capacitance and/or fluid interface position as the voltage is driven across an operational range. A control system can use pulse width modulation (PWM) for driving a liquid lens, and a carrier frequency for the PWM signals can be varied to control power consumption in the liquid lens. The slew rate can be adjustable to control power consumption in the liquid lens.
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公开(公告)号：US11662568B2
公开(公告)日：2023-05-30
申请号：US16762411
申请日：2018-11-14
Applicant: CORNING INCORPORATED
Inventor： Jann Paul Kaminski , Raymond Miller Karam , Ian Armour McKay , Dragan Pikula , Thomas M Wynne
CPC classification number: G02B26/005 , G02B3/14 , G02B7/028
Abstract: A liquid lens system includes first and second liquids disposed within a cavity. An interface between the first and second liquids defines a variable lens. A common electrode is in electrical communication with the first liquid. A driving electrode is disposed on a sidewall of the cavity and insulated from the first and second liquids. A controller supplies a common voltage to the common electrode and a driving voltage to the driving electrode. A voltage differential between the common voltage and the driving voltage is based at least in part on at least one of: (a) a first reference capacitance of a first reference electrode pair disposed within the first portion of the cavity and insulated from the first liquid or (b) a second reference capacitance of a second reference electrode pair disposed within the second portion of the cavity and insulated from the first liquid and the second liquid.
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公开(公告)号：US20200319380A1
公开(公告)日：2020-10-08
申请号：US16763439
申请日：2018-11-15
Applicant: CORNING INCORPORATED
Inventor： Jann Paul Kaminski , Raymond Miller Karam , Robert Bruce Lyon , Ian Armour McKay , Dragan Pikula , Daniel Ohen Ricketts
IPC: G02B3/14
Abstract: A liquid lens can be coupled to ground, such as to impede charge from building up in the liquid lens during operation thereof. For example, an electrode that is in electrical communication with a conductive fluid of the liquid lens can be coupled to ground. A switch can be used to selectively couple the liquid lens to ground, such as for discharging the liquid lens. An electrode can be selectively coupled to ground and to driving signals using a switch. In some cases, drive signals can be provided to electrodes other than the grounded electrode for driving the liquid lens. In some cases, the liquid lens can be driven using feedback control based on one or more measured parameters indicative capacitance between a fluid and one or more electrodes in the liquid lens.
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