公开(公告)号：US20190200423A1

公开(公告)日：2019-06-27

申请号：US16287794

申请日：2019-02-27

申请人： Chemtron Research LLC

发明人： Anatoly Shteynberg ,  Dongsheng Zhou ,  Stephen F. Dreyer ,  Harlan Ohara ,  Sinan Doluca

IPC分类号： H05B33/08

CPC分类号： H05B33/083 ,  H05B33/0809 ,  H05B33/0815 ,  H05B33/0827 ,  H05B33/0845 ,  H05B33/0857 ,  H05B33/089

摘要： An apparatus, method and system are disclosed for providing AC line power to lighting devices such as light emitting diodes (“LEDs”). A representative apparatus comprises: a plurality of LEDs coupled in series to form a plurality of segments of LEDs; first and second current regulators; a current sensor; and a controller to monitor a current level through a series LED current path, and to provide for first or second segments of LEDs to be in or out of the series LED current path at different current levels. A voltage regulator is also utilized to provide a voltage during a zero-crossing interval of the AC voltage. In a representative embodiment, first and second segments of LEDs are both in the series LED current path regulated at a lower current level compared to when only the first segment of LEDs is in the series LED current path.

公开(公告)号：US20170034879A1

公开(公告)日：2017-02-02

申请号：US15227653

申请日：2016-08-03

申请人： Chemtron Research LLC

发明人： Anatoly Shteynberg ,  Dongsheng Zhou ,  Stephen F. Dreyer ,  Harlan Ohara ,  Sinan Doluca

IPC分类号： H05B33/08

CPC分类号： H05B33/083 ,  H05B33/0809 ,  H05B33/0815 ,  H05B33/0827 ,  H05B33/0845 ,  H05B33/0857 ,  H05B33/089

摘要： An apparatus, method and system are disclosed for providing AC line power to lighting devices such as light emitting diodes (“LEDs”). A representative apparatus comprises: a plurality of LEDs coupled in series to form a plurality of segments of LEDs; first and second current regulators; a current sensor; and a controller to monitor a current level through a series LED current path, and to provide for first or second segments of LEDs to be in or out of the series LED current path at different current levels. A voltage regulator is also utilized to provide a voltage during a zero-crossing interval of the AC voltage. In a representative embodiment, first and second segments of LEDs are both in the series LED current path regulated at a lower current level compared to when only the first segment of LEDs is in the series LED current path.

摘要翻译： 公开了一种用于向例如发光二极管（“LED”）等照明装置提供AC线电力的装置，方法和系统。 代表性装置包括：串联耦合以形成多个LED段的多个LED; 第一和第二电流调节器; 电流传感器; 以及控制器，用于通过串联LED电流路径监视电流水平，并且提供LED的第一或第二段在不同电流水平下进入或流出串联LED电流路径。 电压调节器也用于在交流电压的零交叉间隔期间提供电压。 在代表性实施例中，与当仅第一LED段处于串联LED电流路径时相比，LED的第一和第二段都处于LED电流路径中调节在较低电流水平。

公开(公告)号：US10231301B2

公开(公告)日：2019-03-12

申请号：US15811518

申请日：2017-11-13

申请人： Chemtron Research LLC

发明人： Anatoly Shteynberg ,  Dongsheng Zhou ,  Stephen F. Dreyer ,  Harlan Ohara ,  Sinan Doluca

IPC分类号： H05B37/00 ,  H05B39/00 ,  H05B41/00 ,  H05B33/08

摘要： An apparatus, method and system are disclosed for providing AC line power to lighting devices such as light emitting diodes (“LEDs”). A representative apparatus comprises: a plurality of LEDs coupled in series to form a plurality of segments of LEDs; first and second current regulators; a current sensor; and a controller to monitor a current level through a series LED current path, and to provide for first or second segments of LEDs to be in or out of the series LED current path at different current levels. A voltage regulator is also utilized to provide a voltage during a zero-crossing interval of the AC voltage. In a representative embodiment, first and second segments of LEDs are both in the series LED current path regulated at a lower current level compared to when only the first segment of LEDs is in the series LED current path.

公开(公告)号：US09820349B2

公开(公告)日：2017-11-14

申请号：US15227653

申请日：2016-08-03

申请人： Chemtron Research LLC

发明人： Anatoly Shteynberg ,  Dongsheng Zhou ,  Stephen F. Dreyer ,  Harlan Ohara ,  Sinan Doluca

IPC分类号： H05B37/00 ,  H05B41/00 ,  H05B33/08

CPC分类号： H05B33/083 ,  H05B33/0809 ,  H05B33/0815 ,  H05B33/0827 ,  H05B33/0845 ,  H05B33/0857 ,  H05B33/089

摘要： An apparatus, method and system are disclosed for providing AC line power to lighting devices such as light emitting diodes (“LEDs”). A representative apparatus comprises: a plurality of LEDs coupled in series to form a plurality of segments of LEDs; first and second current regulators; a current sensor; and a controller to monitor a current level through a series LED current path, and to provide for first or second segments of LEDs to be in or out of the series LED current path at different current levels. A voltage regulator is also utilized to provide a voltage during a zero-crossing interval of the AC voltage. In a representative embodiment, first and second segments of LEDs are both in the series LED current path regulated at a lower current level compared to when only the first segment of LEDs is in the series LED current path.

公开(公告)号：US20180110099A1

公开(公告)日：2018-04-19

申请号：US15811518

申请日：2017-11-13

申请人： Chemtron Research LLC

发明人： Anatoly Shteynberg ,  Dongsheng Zhou ,  Stephen F. Dreyer ,  Harlan Ohara ,  Sinan Doluca

IPC分类号： H05B33/08

CPC分类号： H05B33/083 ,  H05B33/0809 ,  H05B33/0815 ,  H05B33/0827 ,  H05B33/0845 ,  H05B33/0857 ,  H05B33/089

摘要： An apparatus, method and system are disclosed for providing AC line power to lighting devices such as light emitting diodes (“LEDs”). A representative apparatus comprises: a plurality of LEDs coupled in series to form a plurality of segments of LEDs; first and second current regulators; a current sensor; and a controller to monitor a current level through a series LED current path, and to provide for first or second segments of LEDs to be in or out of the series LED current path at different current levels. A voltage regulator is also utilized to provide a voltage during a zero-crossing interval of the AC voltage. In a representative embodiment, first and second segments of LEDs are both in the series LED current path regulated at a lower current level compared to when only the first segment of LEDs is in the series LED current path.