Patents Assigned to LEEDARSON AMERICA INC.
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Patent number: 11521806Abstract: A light device control apparatus is designed to pair with a traditional switch device that has a traditional switch for accepting a first user manual operation to control a target device connected to the traditional switch device with an electrical wire. The traditional switch device has a connecting structure. The light device control apparatus has an attaching device, a cover body, a replacement switch and a wireless controller. The attaching device is attached to the connecting structure of the traditional switch device. The wireless controller wirelessly controls the target device. The replacement switch and the wireless component are not overlapped to each other vertically with respect to the surface cover of the traditional switch device.Type: GrantFiled: April 27, 2021Date of Patent: December 6, 2022Assignee: LEEDARSON AMERICA INC.Inventor: Yongchuan Li
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Patent number: 11486549Abstract: A light bulb apparatus includes a head cup, a bottom support, multiple light strips and a bulb shell. The head cup is connected to an external power source. The bottom support is extended from the head cup. Each light strip has a top end and a bottom end. The bottom ends of the light strips are connected to the bottom support. The top ends of the light strips form a top polygonal shape and the bottom ends of the light strips form a bottom polygonal shape. The bottom polygonal shape has a bigger area size than the top polygonal shape. Each light strip has a skewed angle with respect to a middle axis perpendicular to the bottom shape.Type: GrantFiled: January 15, 2021Date of Patent: November 1, 2022Assignee: LEEDARSON AMERICA INC.Inventor: Yongchuan Li
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Patent number: 11056289Abstract: A retrofit switch apparatus is attached to a traditional switch device. The traditional switch device has a traditional switch for accepting a first user manual operation to control a target. The retrofit switch apparatus includes an attaching device, a retrofit housing and a touch module. The attaching device is attached to the traditional switch device. The retrofit housing provides a containing space for covering the traditional switch. The touch module has a touch surface and a driver circuit. The touch surface receives a second user manual operation processed by the driver circuit.Type: GrantFiled: February 27, 2020Date of Patent: July 6, 2021Assignee: LEEDARSON AMERICA INC.Inventor: Yongchuan Li
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Patent number: 11017962Abstract: A light device control apparatus is designed to pair with a traditional switch device that has a traditional switch for accepting a first user manual operation to control a target device connected to the traditional switch device with an electrical wire. The traditional switch device has a connecting structure. The light device control apparatus has an attaching device, a cover body, a replacement switch and a wireless controller. The attaching device is attached to the connecting structure of the traditional switch device. The wireless controller wirelessly controls the target device. The replacement switch and the wireless component are not overlapped to each other vertically with respect to the surface cover of the traditional switch device.Type: GrantFiled: September 3, 2019Date of Patent: May 25, 2021Assignee: LEEDARSON AMERICA INC.Inventor: Yongchuan Li
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Patent number: 10984967Abstract: A retrofit switch apparatus is designed to pair with a traditional switch device that has a traditional switch for accepting a first user manual operation to control a target device connected to the traditional switch device with an electrical wire. The retrofit switch apparatus has a cover body, a control cover, a control decoder, and a wireless transmitter. The cover body covers the traditional switch device. The control decoder and the wireless transmitter are disposed in the cover body.Type: GrantFiled: January 24, 2018Date of Patent: April 20, 2021Assignee: LEEDARSON AMERICA INC.Inventor: Yongchuan Li
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Patent number: 10920936Abstract: A light bulb apparatus includes a head cup, a bottom support, multiple light strips and a bulb shell. The head cup is connected to an external power source. The bottom support is extended from the head cup. Each light strip has a top end and a bottom end. The bottom ends of the light strips are connected to the bottom support. The top ends of the light strips form a top polygonal shape and the bottom ends of the light strips form a bottom polygonal shape. The bottom polygonal shape has a bigger area size than the top polygonal shape. Each light strip has a skewed angle with respect to a middle axis perpendicular to the bottom shape.Type: GrantFiled: April 15, 2020Date of Patent: February 16, 2021Assignee: LEEDARSON AMERICA INC.Inventor: Yongchuan Li
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Patent number: 10904964Abstract: A driver circuit for controlling brightness of a set of light-emitting diodes. The driver circuit includes a switch unit for providing n first control signals, a lighting control unit for sending a second signal, a control circuit unit coupled to the switch unit and the lighting control unit and used to send a third control signal according to the n first control signal and the second control signal, an optical coupler for generating a fourth control signal according to the third control signal, and a power control unit for enabling the light-emitting diodes according to the fourth control signal. The n first control signals and the second control signal are both adjustable.Type: GrantFiled: December 28, 2018Date of Patent: January 26, 2021Assignee: LEEDARSON AMERICA INC.Inventor: Yongchuan Li
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Patent number: 10774994Abstract: A spotlight apparatus has a LED plate, a lens plate, a cup body, a driver plate and two metal pins. The lens plate has a central lens and a plurality of micro optical structures. The cup body has a dome portion, a tube portion and a bottom portion. The dome portion and the tube portion are manufactured together as a single body. A portion of light emitting from the LED plate runs through the central lens of the lens plate to form a focus light beam and another portion of light emitting from the LED modules running through the plurality of micro optical structures to form soft light. Two input terminals of the driver plate are inserted into the two metal pins.Type: GrantFiled: August 17, 2017Date of Patent: September 15, 2020Assignee: LEEDARSON AMERICA INC.Inventor: Yongchuan Li
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Patent number: 10670195Abstract: A light bulb apparatus includes a head cup, a bottom support, multiple light strips and a bulb shell. The head cup is connected to an external power source. The bottom support is extended from the head cup. Each light strip has a top end and a bottom end. The bottom ends of the light strips are connected to the bottom support. The top ends of the light strips form a top polygonal shape and the bottom ends of the light strips form a bottom polygonal shape. The bottom polygonal shape has a bigger area size than the top polygonal shape. Each light strip has a skewed angle with respect to a middle axis perpendicular to the bottom shape.Type: GrantFiled: May 13, 2019Date of Patent: June 2, 2020Assignee: Leedarson America Inc.Inventor: Yongchuan Li
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Patent number: 10667352Abstract: A PWM signal generating system comprising: a PWM signal generating circuit, configured to generate a PWM signal; a control IC, configured to control a PWM ratio of the PWM signal via controlling the PWM signal generating circuit; a phase cutting dimmer, configured to output a phase cutting signal to the control IC according to a phase of an input signal; a current detecting circuit, configured to provide a detect current corresponding to the PWM ratio; and a voltage level dimmer, configured to generate a preliminary PWM ratio control signal corresponding to an input voltage level. The control IC controls the PWM ratio to correspond to the phase of the input signal, according to the detect current in a first mode. The control IC controls the PWM ratio according to the preliminary PWM ratio control signal in a second mode.Type: GrantFiled: December 28, 2018Date of Patent: May 26, 2020Assignee: LEEDARSON AMERICA INC.Inventor: Yongchuan Li
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Patent number: 10619806Abstract: An assembly light apparatus has a LED module, a light box, a driver box. The driver box is installed in a cavity of a ceiling via a fixing structure. The light box contains the LED module. The light box has a output opening and a back cover. The back cover has a first electrical terminal and a second electrical terminal connected to a first electrode and a second electrode of the driver box respectively. The light box and the driver box are detachably connected with a light box connector and a driver box connector.Type: GrantFiled: July 22, 2019Date of Patent: April 14, 2020Assignee: LEEDARSON AMERICA INC.Inventor: Yongchuan Li
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Patent number: 10614975Abstract: A retrofit switch apparatus is designed to pair with a traditional switch device that has a traditional switch for accepting a first user manual operation to control a target device connected to the traditional switch device with an electrical wire. The traditional switch device has a connecting structure. The retrofit switch apparatus has an attaching device, a retrofit housing and a control circuit. The attaching device is attached to the connecting structure of the traditional switch device. The control circuit wirelessly controls the target device.Type: GrantFiled: October 30, 2017Date of Patent: April 7, 2020Assignee: LEEDARSON AMERICA INC.Inventor: Yongchuan Li
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Patent number: 10595378Abstract: A light device driving system includes a voltage source managing module, a duty cycle adjusting module, a control integrated circuit, a power outputting module, a passive lighting device and a voltage/current output control module. The voltage source managing module generates an input voltage. The duty cycle adjusting module adjusts a duty cycle of a phase-width modulation signal of the light device driving system according to a voltage feedback signal. The control integrated circuit generates the phase-width modulation signal based on the adjusted duty cycle. The voltage/current output control module generates the voltage feedback signal according to the output voltage and a voltage dimming signal and configured to forward the voltage feedback signal to the duty cycle adjusting module.Type: GrantFiled: December 28, 2018Date of Patent: March 17, 2020Assignee: LEEDARSON AMERICA INC.Inventor: Yongchuan Li
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Patent number: 10446339Abstract: A retrofit switch apparatus is designed to pair with a traditional switch device that has a traditional switch for accepting a first user manual operation to control a target device connected to the traditional switch device with an electrical wire. The traditional switch device has a connecting structure. The retrofit switch apparatus has an attaching device, a cover body, a replacement switch and a wireless controller. The attaching device is attached to the connecting structure of the traditional switch device. The wireless controller wirelessly controls the target device. The replacement switch and the wireless component are not overlapped to each other vertically with respect to the surface cover of the traditional switch device.Type: GrantFiled: November 9, 2017Date of Patent: October 15, 2019Assignee: LEEDARSON AMERICA INC.Inventor: Yongchuan Li
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Patent number: 10400965Abstract: An assembly light apparatus has a LED module, a light box, a driver box. The driver box is installed in a cavity of a ceiling via a fixing structure. The light box contains the LED module. The light box has a output opening and a back cover. The back cover has a first electrical terminal and a second electrical terminal connected to a first electrode and a second electrode of the driver box respectively. The light box and the driver box are detachably connected with a light box connector and a driver box connector.Type: GrantFiled: March 28, 2019Date of Patent: September 3, 2019Assignee: LEEDARSON AMERICA INC.Inventor: Yongchuan Li
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Patent number: 10344961Abstract: An optical apparatus has a LED plate, a lens plate, a cup body, a driver plate and two metal pins. The lens plate has a central lens and a plurality of micro optical structures. The cup body has a dome portion, a tube portion and a bottom portion. The dome portion and the tube portion are manufactured together as a single body. A portion of light emitting from the LED plate runs through the central lens of the lens plate to form a focus light beam and another portion of light emitting from the LED modules running through the plurality of micro optical structures to form soft light. Two input terminals of the driver plate are inserted into the two metal pins.Type: GrantFiled: August 17, 2017Date of Patent: July 9, 2019Assignee: LEEDARSON AMERICA INC.Inventor: Yongchuan Li
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Patent number: 10330263Abstract: A light bulb apparatus includes a head cup, a bottom support, multiple light strips and a bulb shell. The head cup is connected to an external power source. The bottom support is extended from the head cup. Each light strip has a top end and a bottom end. The bottom ends of the light strips are connected to the bottom support. The top ends of the light strips form a top polygonal shape and the bottom ends of the light strips form a bottom polygonal shape. The bottom polygonal shape has a bigger area size than the top polygonal shape. Each light strip has a skewed angle with respect to a middle axis perpendicular to the bottom shape.Type: GrantFiled: February 26, 2018Date of Patent: June 25, 2019Assignee: LEEDARSON AMERICA INC.Inventor: Yongchuan Li
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Patent number: 10323806Abstract: An assembly light apparatus has a LED module, a light box, a driver box. The driver box is installed in a cavity of a ceiling via a fixing structure. The light box contains the LED module. The light box has an output opening and a back cover. The back cover has a first electrical terminal and a second electrical terminal connected to a first electrode and a second electrode of the driver box respectively. The light box and the driver box are detachably connected with a light box connector and a driver box connector.Type: GrantFiled: March 29, 2018Date of Patent: June 18, 2019Assignee: LEEDARSON AMERICA INC.Inventor: Yongchuan Li
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Patent number: 10274157Abstract: A LED apparatus has a LED plate, a lens plate, a cup body, a driver plate and two metal pins. The lens plate has a central lens and a plurality of micro optical structures. The cup body has a dome portion, a tube portion and a bottom portion. The dome portion and the tube portion are manufactured together as a single body. A portion of light emitting from the LED plate runs through the central lens of the lens plate to form a focus light beam and another portion of light emitting from the LED modules running through the plurality of micro optical structures to form soft light. Two input terminals of the driver plate are inserted into the two metal pins.Type: GrantFiled: August 17, 2017Date of Patent: April 30, 2019Assignee: LEEDARSON AMERICA INC.Inventor: Yongchuan Li