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公开(公告)号:US09277614B2
公开(公告)日:2016-03-01
申请号:US13585463
申请日:2012-08-14
申请人: Kam Wah Siu , Wa Hing Leung
发明人: Kam Wah Siu , Wa Hing Leung
摘要: An LED array switching apparatus comprises, on a single PCB substrate: a plurality of LED arrays D1 to Dn connected in series, each LED array having a forward voltage; an AC voltage supply coupled to the plurality of LED arrays; and a plurality of constant current sources G1 to Gn, coupled to outputs of LED arrays D1 to Dn, respectively, each of the constant current sources being switchable between a current regulating state and an open state such that as the voltage of the AC voltage supply increases, LED arrays are switched on and lit to form a higher forward voltage LED string, and as the voltage of the AC voltage supply decreases, LED arrays are switched off and removed from the LED string starting with the most recently lit LED array.
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公开(公告)号:US09357604B2
公开(公告)日:2016-05-31
申请号:US13585463
申请日:2012-08-14
申请人: Kam Wah Siu , Wa Hing Leung
发明人: Kam Wah Siu , Wa Hing Leung
CPC分类号: H05B33/0824 , H01L2224/48137 , H01L2224/48472 , H01L2224/73265 , H01L2924/13091 , H01L2924/30107 , H05B33/0803 , H01L2924/00
摘要: An LED array switching apparatus comprises, on a single PCB substrate: a plurality of LED arrays D1 to Dn connected in series, each LED array having a forward voltage; an AC voltage supply coupled to the plurality of LED arrays; and a plurality of constant current sources G1 to Gn, coupled to outputs of LED arrays D1 to Dn, respectively, each of the constant current sources being switchable between a current regulating state and an open state such that as the voltage of the AC voltage supply increases, LED arrays are switched on and lit to form a higher forward voltage LED string, and as the voltage of the AC voltage supply decreases, LED arrays are switched off and removed from the LED string starting with the most recently lit LED array.
摘要翻译: LED阵列开关装置包括:在单个PCB基板上:串联连接的多个LED阵列D1至Dn,每个LED阵列具有正向电压; 耦合到所述多个LED阵列的AC电压源; 以及分别耦合到LED阵列D1至Dn的输出的多个恒流源G1至Gn,每个恒定电流源可在电流调节状态和断开状态之间切换,使得当AC电压电源 LED阵列被接通并点亮以形成更高的正向电压LED串,并且随着交流电压电源的电压降低,LED阵列从最近点亮的LED阵列开始关闭并从LED串去除。
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公开(公告)号:US20130043799A1
公开(公告)日:2013-02-21
申请号:US13585463
申请日:2012-08-14
申请人: Kam Wah Siu , Wa Hing Leung
发明人: Kam Wah Siu , Wa Hing Leung
IPC分类号: H05B37/00
CPC分类号: H05B33/0824 , H01L2224/48137 , H01L2224/48472 , H01L2224/73265 , H01L2924/13091 , H01L2924/30107 , H05B33/0803 , H01L2924/00
摘要: An LED array switching apparatus comprises, on a single PCB substrate: a plurality of LED arrays D1 to Dn connected in series, each LED array having a forward voltage; an AC voltage supply coupled to the plurality of LED arrays; and a plurality of constant current sources G1 to Gn, coupled to outputs of LED arrays D1 to Dn, respectively, each of the constant current sources being switchable between a current regulating state and an open state such that as the voltage of the AC voltage supply increases, LED arrays are switched on and lit to form a higher forward voltage LED string, and as the voltage of the AC voltage supply decreases, LED arrays are switched off and removed from the LED string starting with the most recently lit LED array.
摘要翻译: LED阵列开关装置包括:在单个PCB基板上:串联连接的多个LED阵列D1至Dn,每个LED阵列具有正向电压; 耦合到所述多个LED阵列的AC电压源; 以及分别耦合到LED阵列D1至Dn的输出的多个恒流源G1至Gn,每个恒定电流源可在电流调节状态和断开状态之间切换,使得当AC电压电源 LED阵列被接通并点亮以形成更高的正向电压LED串,并且随着交流电压电源的电压降低,LED阵列从最近点亮的LED阵列开始关闭并从LED串去除。
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公开(公告)号:US20120307498A1
公开(公告)日:2012-12-06
申请号:US13484430
申请日:2012-05-31
CPC分类号: F21V29/89 , F21K9/232 , F21V15/02 , F21V29/506 , F21V29/507 , F21V29/70 , F21V29/717 , F21Y2115/10
摘要: An LED lighting device comprises: a base having a socket connector; a housing comprising a primary heat sink, the housing being coupled to the base and having an upper annular rim; a plate having a periphery, at least the periphery of the plate being thermally coupled to the upper annular rim of the housing; at least one LED lighting source, the at least one LED lighting source being thermally coupled to the plate; a globe having a body comprising an outer surface with a light transmittable surface configured to transmit light from the LED lighting source to outside the lighting device; and a secondary heat sink thermally coupled to the plate and the housing, and comprising heat conductors arranged to take the shape of the globe. The housing, plate and secondary heat sink cooperate to conduct heat from the at least one LED lighting source to the surrounding environment.
摘要翻译: LED照明装置包括:具有插座连接器的基座; 壳体,其包括主散热器,所述壳体联接到所述基座并且具有上部环形边缘; 具有周边的板,至少所述板的周边热耦合到所述壳体的上环形边缘; 至少一个LED照明源,所述至少一个LED照明源热耦合到所述板; 具有主体的球体,所述主体包括具有光透射表面的外表面,所述外表面被配置为将来自所述LED照明源的光透射到所述照明装置的外部; 以及热耦合到所述板和所述壳体的二次散热器,并且包括布置成呈现所述球体形状的热导体。 壳体,板和二次散热器协作以将热量从至少一个LED照明源传导到周围环境。
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公开(公告)号:US20120038285A1
公开(公告)日:2012-02-16
申请号:US12955030
申请日:2010-11-29
申请人: Wa Hing Leung , Johnny Siu
发明人: Wa Hing Leung , Johnny Siu
IPC分类号: H05B37/02
CPC分类号: H05B33/0809 , H05B33/083
摘要: An LED array switching apparatus, comprises: a plurality of LED segments D1 to Dn connected in series, each LED segment having a forward voltage; a voltage supply coupled to the plurality of LED segments; and a plurality of constant current sources G1 to Gn, coupled to outputs of LED segments D1 to Dn, respectively. Each of the constant current sources is switchable between a current regulating state and an open state such that as the voltage of the voltage supply increases, LED segments are switched on and lit to form a higher forward voltage LED string, and as the voltage of the voltage supply decreases, segments are switched off and removed from the LED string starting with the most recently lit segment.
摘要翻译: 一种LED阵列开关装置,包括:串联连接的多个LED段D1至Dn,每个LED段具有正向电压; 耦合到所述多个LED段的电压源; 以及分别耦合到LED段D1至Dn的输出的多个恒流源G1至Gn。 每个恒流源可以在电流调节状态和断开状态之间切换,使得当电压源的电压增加时,LED段被接通并点亮以形成更高的正向电压LED串,并且作为 电压降低,从最近点亮的段开始,将LED段切断并从LED串上拆下。
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6.
公开(公告)号:US20120195042A1
公开(公告)日:2012-08-02
申请号:US13401724
申请日:2012-02-21
申请人: Tin Po Chu , Wa Hing Leung
发明人: Tin Po Chu , Wa Hing Leung
CPC分类号: F21V7/04 , F21K9/233 , F21K9/238 , F21V7/0008 , F21V7/048 , F21V7/06 , F21V7/07 , F21V7/08 , F21V19/0015 , F21V23/005 , F21V29/004 , F21V29/006 , F21V29/507 , F21V29/51 , F21V29/773 , F21V29/85 , F21V29/89 , F21Y2115/10
摘要: A lighting apparatus contains a main housing; a reflector disposed within the main housing, and having a front side and a rear side; a heat conducting body comprising at least two heat pipes, wherein a first portion of the at least two heat pipes are parallel to a central axis of the lighting apparatus on the front side of the reflector, and a second portion of each of the at least two heat pipes is in the rear side of the reflector and is thermally coupled to the main housing; a heat conducting head located on the front side of the reflector, and is thermally coupled to the heat conducting body; at least two light-emitting diodes. (“LEDs”) thermally coupled to the heat conducting body, and being positioned to face the front side of the reflector so that light emitted from the LEDs are directed to said front side.
摘要翻译: 照明装置包含主壳体; 反射器,设置在主壳体内,并具有前侧和后侧; 包括至少两个热管的导热体,其中所述至少两个热管的第一部分平行于所述反射器前侧上的所述照明设备的中心轴线,并且所述至少两个热管中的每一个的第二部分至少 两个热管位于反射器的后侧,并且热耦合到主壳体; 位于反射器前侧的导热头,并与热传导体热耦合; 至少两个发光二极管。 (“LED”),其热耦合到导热体,并且被定位成面对反射器的前侧,使得从LED发射的光被引导到所述前侧。
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公开(公告)号:US20130223081A1
公开(公告)日:2013-08-29
申请号:US13523497
申请日:2012-06-14
申请人: Jin Bo Jiang , Tin Po Chu , Wa Hing Leung
发明人: Jin Bo Jiang , Tin Po Chu , Wa Hing Leung
IPC分类号: F21V13/04
CPC分类号: F21V5/04 , F21V5/007 , F21V7/0091 , F21W2131/10 , F21Y2105/10 , F21Y2115/10 , G02B19/0061
摘要: The present invention relates to a secondary optical lens for a light emitting diode (“LED”) light projector, comprising at least one lens unit, wherein the lens unit consists of a refraction portion in the centre and a total internal reflection portion on the outer ring; the central refraction portion has a convex surface on the bottom and is attached with a plurality of micro lenses; the bottom attached with a micro lens array; the total internal reflection portion on the outer ring of the lens unit comprises a cylindrical light incident surface with a slight draft angle, and a total internal reflection surface on the outer side, which adopts a diamondoid polyhedral flake design; and the top of the lens unit is a smooth plane surface used as the light emitting surface.
摘要翻译: 本发明涉及一种用于发光二极管(“LED”)光投射器的次级光学透镜,包括至少一个透镜单元,其中透镜单元由中心的折射部分和外部的全内反射部分组成 环; 中央折射部分在底部具有凸表面并且附接有多个微透镜; 底部附有微透镜阵列; 透镜单元的外环上的全内反射部分包括具有轻微拔模角的圆柱形光入射表面和外侧的全内反射表面,其采用菱形多面体薄片设计; 并且透镜单元的顶部是用作发光表面的平滑平面。
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8.
公开(公告)号:US09234646B2
公开(公告)日:2016-01-12
申请号:US13401724
申请日:2012-02-21
申请人: Tin Po Chu , Wa Hing Leung
发明人: Tin Po Chu , Wa Hing Leung
IPC分类号: F21V7/00 , F21V23/00 , F21V29/00 , F21K99/00 , F21V19/00 , F21V29/507 , F21V29/77 , F21V29/85 , F21V7/04 , F21V7/06 , F21V7/07 , F21V7/08 , F21Y101/02 , F21V29/89
CPC分类号: F21V7/04 , F21K9/233 , F21K9/238 , F21V7/0008 , F21V7/048 , F21V7/06 , F21V7/07 , F21V7/08 , F21V19/0015 , F21V23/005 , F21V29/004 , F21V29/006 , F21V29/507 , F21V29/51 , F21V29/773 , F21V29/85 , F21V29/89 , F21Y2115/10
摘要: A lighting apparatus contains a main housing; a reflector disposed within the main housing, and having a front side and a rear side; a heat conducting body comprising at least two heat pipes, wherein a first portion of the at least two heat pipes are parallel to a central axis of the lighting apparatus on the front side of the reflector, and a second portion of each of the at least two heat pipes is in the rear side of the reflector and is thermally coupled to the main housing; a heat conducting head located on the front side of the reflector, and is thermally coupled to the heat conducting body; at least two light-emitting diodes (“LEDs”) thermally coupled to the heat conducting body, and being positioned to face the front side of the reflector so that light emitted from the LEDs are directed to said front side.
摘要翻译: 照明装置包含主壳体; 反射器,设置在主壳体内,并具有前侧和后侧; 包括至少两个热管的导热体,其中所述至少两个热管的第一部分平行于所述反射器前侧上的所述照明设备的中心轴线,并且所述至少两个热管中的每一个的第二部分至少 两个热管位于反射器的后侧,并且热耦合到主壳体; 位于反射器前侧的导热头,并与热传导体热耦合; 至少两个热耦合到导热体的发光二极管(“LED”),并且被定位成面对反射器的前侧,使得从LED发射的光被引导到所述前侧。
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公开(公告)号:US08864344B2
公开(公告)日:2014-10-21
申请号:US13523497
申请日:2012-06-14
申请人: Jin Bo Jiang , Tin Po Chu , Wa Hing Leung
发明人: Jin Bo Jiang , Tin Po Chu , Wa Hing Leung
CPC分类号: F21V5/04 , F21V5/007 , F21V7/0091 , F21W2131/10 , F21Y2105/10 , F21Y2115/10 , G02B19/0061
摘要: The present invention relates to a secondary optical lens for a light emitting diode (“LED”) light projector, comprising at least one lens unit, wherein the lens unit consists of a refraction portion in the centre and a total internal reflection portion on the outer ring; the central refraction portion has a convex surface on the bottom and is attached with a plurality of micro lenses; the bottom attached with a micro lens array; the total internal reflection portion on the outer ring of the lens unit comprises a cylindrical light incident surface with a slight draft angle, and a total internal reflection surface on the outer side, which adopts a diamondoid polyhedral flake design; and the top of the lens unit is a smooth plane surface used as the light emitting surface.
摘要翻译: 本发明涉及一种用于发光二极管(“LED”)光投射器的次级光学透镜,包括至少一个透镜单元,其中透镜单元由中心的折射部分和外部的全内反射部分组成 环; 中央折射部分在底部具有凸表面并且附接有多个微透镜; 底部附有微透镜阵列; 透镜单元的外环上的全内反射部分包括具有轻微拔模角的圆柱形光入射表面和外侧的全内反射表面,其采用菱形多面体薄片设计; 并且透镜单元的顶部是用作发光表面的平滑平面。
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10.
公开(公告)号:US09322517B2
公开(公告)日:2016-04-26
申请号:US12470332
申请日:2009-05-21
申请人: Tin Po Chu , Wa Hing Leung
发明人: Tin Po Chu , Wa Hing Leung
IPC分类号: F21V7/04 , F21K99/00 , F21S8/10 , F21V7/00 , F21V23/00 , F21V29/00 , F21V19/00 , F21V29/507 , F21V29/77 , F21V29/85 , F21V29/89 , F21V7/06 , F21V7/07 , F21V7/08 , F21Y101/02 , F21V29/505
CPC分类号: F21V29/51 , F21K9/233 , F21S45/47 , F21V7/0008 , F21V7/048 , F21V7/06 , F21V7/07 , F21V7/08 , F21V19/0015 , F21V23/005 , F21V29/505 , F21V29/507 , F21V29/773 , F21V29/85 , F21V29/89 , F21Y2101/02 , F21Y2115/10
摘要: A lighting apparatus using at least one light-emitting diode (“LED”), back-reflecting collection optics for LEDs, and an improved heat sink mounting apparatus which promotes efficient heat dissipation generated from the LED while minimizing light obstruction and glare. The lighting apparatus contains a main housing; a reflector disposed within the main housing, the reflector having a front side and a rear side; a top rim thermally coupled to one end of the main housing; a heat conducting body positioned to face the front side of the reflector, the heat conducting body comprising a heat pipe thermally coupled to the top rim; at least one light-emitting diode thermally coupled to the heat conducting body, the at least one light-emitting diode being positioned to face directly at the front side of the reflector so that light emitted from the at least one light-emitting diode is directed to the front side of the reflector.
摘要翻译: 使用至少一个发光二极管(“LED”),用于LED的反射反射收集光学器件和改进的散热器安装装置的照明装置,其促进从LED产生的有效散热,同时最小化光障碍物和眩光。 照明装置包含主壳体; 设置在主壳体内的反射器,反射器具有前侧和后侧; 与所述主壳体的一端热耦合的顶部边缘; 导热体,其定位成面向所述反射器的前侧,所述导热体包括热耦合到所述顶部边缘的热管; 至少一个热耦合到所述导热体的发光二极管,所述至少一个发光二极管被定位成直接面对所述反射器的前侧,使得从所述至少一个发光二极管发射的光被定向 到反射器的正面。
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