-
公开(公告)号：US20170150570A1
公开(公告)日：2017-05-25
申请号：US15421999
申请日：2017-02-01
Applicant: Cree, Inc.
Inventor： Brian Kinnune , David Goelz , James Lay , Don Miletich , Alan Ruud , Kurt Wilcox , Yuequan Hu , Liqin Ni , Nicholas William Medendorp, JR. , Boris Karpichev
CPC classification number: H05B33/0866 , F21K9/00 , F21S8/086 , F21V23/007 , F21V29/74 , F21V29/83 , F21W2131/103 , F21Y2101/00 , F21Y2103/10 , F21Y2113/13 , F21Y2115/10 , H05B33/0818 , H05B33/0827
Abstract: Systems and methods for a high output, high color quality light are disclosed. In some embodiments, such a light may include a light fixture including one or more LEDs configured to output a cumulative light output; wherein the cumulative light output comprises an intensity of greater than or equal to 10,000 lumens; and wherein the cumulative light output comprises a CRI of at least 90.
-
2.发明申请SYSTEMS AND METHODS FOR A CURRENT SHARING DRIVER FOR LIGHT EMITTING DIODES 审中-公开用于发光二极管的电流共享驱动器的系统和方法公开(公告)号：US20150137689A1
公开(公告)日：2015-05-21
申请号：US14083070
申请日：2013-11-18
Applicant: CREE, INC.
Inventor： Yuequan Hu , Liqin Ni
IPC: H05B33/08
Abstract: Systems and methods for a current sharing driver for light emitting diodes are disclosed. One disclosed system includes: a first string of LEDs; a second string of LEDs connected in parallel with the first string; a first current control device connected in series with the first string of LEDs; a second current control device connected in series with the second string of LEDs; a first voltage measurement device coupled to the first string of LEDs and the second string of LEDs, the first voltage measurement circuit coupled to the first current control device and configured to control the first current control device; and a second voltage measurement device coupled to the first string of LEDs and the second string of LEDs, the second voltage measurement circuit coupled to the second current control device and configured to control the second current control device.
Abstract translation: 公开了用于发光二极管的电流共享驱动器的系统和方法。 一个公开的系统包括：第一串LED; 与第一串并联连接的第二串LED; 与第一串LED串联连接的第一电流控制装置; 与第二串LED串联连接的第二电流控制装置; 耦合到第一串LED和第二串LED的第一电压测量装置，第一电压测量电路耦合到第一电流控制装置并且被配置为控制第一电流控制装置; 以及耦合到所述第一LED串和所述第二LED串的第二电压测量装置，所述第二电压测量电路耦合到所述第二电流控制装置并且被配置为控制所述第二电流控制装置。
-
Patent Agency Ranking
公开(公告)号：US09203307B2
公开(公告)日：2015-12-01
申请号：US13664895
申请日：2012-10-31
Applicant: Cree, Inc.
Inventor： Michael Walters , Liqin Ni
CPC classification number: H02M3/158 , H02M7/06 , H02M2001/0006 , H02M2001/0022 , H02M2001/007
Abstract: A power conversion circuit includes a voltage boost circuit configured to generate an output voltage in response to an input voltage, a boost controller configured to control operation of the voltage boost circuit, and a bias voltage generation circuit configured to generate a bias voltage. The bias generation circuit is configured to regulate a level of the bias voltage in response to a level of the input voltage.
Abstract translation: 电力转换电路包括被配置为响应于输入电压产生输出电压的升压电路，被配置为控制升压电路的操作的升压控制器和被配置为产生偏置电压的偏置电压产生电路。 偏置产生电路被配置为响应于输入电压的电平来调节偏置电压的电平。
-
公开(公告)号：US20140125229A1
公开(公告)日：2014-05-08
申请号：US13672315
申请日：2012-11-08
Applicant: CREE, INC.
Inventor： Liqin Ni
IPC: H05B37/02
CPC classification number: H05B33/083
Abstract: A solid state lighting apparatus can include a Light Emitting Diode (LED) string that includes a plurality of light emitting diode (LED) segments that are coupled in series with one another wherein a ratio of respective numbers of LEDs in each of the segments is about equal to a ratio of respective average powers for each of the respective segments. Other configurations are also disclosed.
Abstract translation: 固态照明装置可以包括发光二极管（LED）串，其包括彼此串联耦合的多个发光二极管（LED）段，其中每个段中的相应数目的LED的比率约为 等于各个段的各个平均功率的比率。 还公开了其他配置。
-
公开(公告)号：US10045418B2
公开(公告)日：2018-08-07
申请号：US15421999
申请日：2017-02-01
Applicant: Cree, Inc.
Inventor： Brian Kinnune , David Goelz , James Lay , Don Miletich , Alan Ruud , Kurt Wilcox , Yuequan Hu , Liqin Ni , Nicholas William Medendorp, Jr. , Boris Karpichev
IPC: H05B33/00 , H05B33/08 , F21V29/74 , F21V29/83 , F21Y115/10 , F21Y113/13
Abstract: Systems and methods for a high output, high color quality light are disclosed. In some embodiments, such a light may include a light fixture including one or more LEDs configured to output a cumulative light output; wherein the cumulative light output comprises an intensity of greater than or equal to 10,000 lumens; and wherein the cumulative light output comprises a CRI of at least 90.
-
公开(公告)号：US09179512B2
公开(公告)日：2015-11-03
申请号：US13672315
申请日：2012-11-08
Applicant: Cree, Inc.
Inventor： Liqin Ni
CPC classification number: H05B33/083
Abstract: A solid state lighting apparatus can include a Light Emitting Diode (LED) string that includes a plurality of light emitting diode (LED) segments that are coupled in series with one another wherein a ratio of respective numbers of LEDs in each of the segments is about equal to a ratio of respective average powers for each of the respective segments. Other configurations are also disclosed.
Abstract translation: 固态照明装置可以包括发光二极管（LED）串，其包括彼此串联耦合的多个发光二极管（LED）段，其中每个段中的相应数目的LED的比率约为 等于各个段的各个平均功率的比率。 还公开了其他配置。
-
公开(公告)号：US20140119077A1
公开(公告)日：2014-05-01
申请号：US13664895
申请日：2012-10-31
Applicant: CREE, INC.
Inventor： Michael Walters , Liqin Ni
IPC: H02M7/04
CPC classification number: H02M3/158 , H02M7/06 , H02M2001/0006 , H02M2001/0022 , H02M2001/007
Abstract: A power conversion circuit includes a voltage boost circuit configured to generate an output voltage in response to an input voltage, a boost controller configured to control operation of the voltage boost circuit, and a bias voltage generation circuit configured to generate a bias voltage. The bias generation circuit is configured to regulate a level of the bias voltage in response to a level of the input voltage.
Abstract translation: 电力转换电路包括被配置为响应于输入电压产生输出电压的升压电路，被配置为控制升压电路的操作的升压控制器和被配置为产生偏置电压的偏置电压产生电路。 偏置产生电路被配置为响应于输入电压的电平来调节偏置电压的电平。
-
-
-
-
-
-
Search Results
7
records
(took 0.012 seconds)
