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    • 2. 发明授权
    • Methods and apparatus for controlling series-connected LEDs
    • 用于控制串联LED的方法和装置
    • US07781979B2
    • 2010-08-24
    • US11938051
    • 2007-11-09
    • Ihor A. Lys
    • Ihor A. Lys
    • H05B37/00G09G5/00
    • H05B33/0857H05B33/083
    • Methods and apparatus for controlling series-connected LEDs. Two or more LEDs are connected in series between a first node and a second node, wherein a series current flows between the nodes when an operating voltage is applied across the nodes. One or more controllable current paths are connected in parallel with at least a first LED for at least partially diverting the series current around at least the first LED. A controller monitors at least one parameter representative of the operating voltage, determines a maximum number of the series-connected LEDs that can be energized by the operating voltage, and controls the controllable current path(s) so as to increase an amount of the series current that is diverted around at least the first LED when the maximum number is less than a total number of all of the LEDs connected in series. In one example, the foregoing may be implemented as an integrated circuit package to provide a lighting apparatus suitable for automotive applications.
    • 用于控制串联LED的方法和装置。 两个或更多个LED串联连接在第一节点和第二节点之间,其中当在节点之间施加工作电压时,串联电流在节点之间流动。 一个或多个可控电流路径与至少第一LED并联连接,用于至少部分地使至少第一LED周围的串联电流转向。 控制器监视至少一个代表工作电压的参数,确定可由工作电压激励的串联LED的最大数量,并控制可控电流路径,以便增加系列的数量 当最大数量小于串联连接的所有LED的总数时,至少第一LED转向的电流。 在一个示例中,前述可以被实现为集成电路封装,以提供适合于汽车应用的照明装置。
    • 6. 发明授权
    • LED power control methods and apparatus
    • LED电源控制方法和装置
    • US07256554B2
    • 2007-08-14
    • US11079450
    • 2005-03-14
    • Ihor A. Lys
    • Ihor A. Lys
    • G05F1/00
    • H05B33/0815F21S45/43F21S45/47H02M1/4225H02M1/425H02M3/155H02M3/156H02M3/157H02M3/33561H02M2001/0012H02M2001/0019H02M2001/008H02M2001/4291H05B33/0803H05B33/0818H05B33/0842H05B33/0848H05B33/0866Y02B70/126
    • Methods and apparatus for providing and controlling power to loads including one or more LEDs. In one example, a controlled predetermined power is provided to a load without requiring any feedback information from the load (i.e., without monitoring a load voltage and/or load current). In another example, a “feed-forward” power driver for an LED-based light source combines the functionality of a DC-DC converter and a light source controller, and is configured to control the intensity of light generated by the light source based on modulating the average power delivered to the light source in a given time period, without monitoring and/or regulating the voltage or current provided to the light source. In various examples, significantly streamlined circuits having fewer components, higher overall power efficiencies, and smaller space requirements are realized. Based on various power driver configurations, lighting apparatus incorporating one or more power drivers for one or more LED-based loads may be implemented, and multiple such lighting apparatus may be coupled together to form a lighting network in which operating power is efficiently provided throughout the network.
    • 用于为包括一个或多个LED的负载提供和控制功率的方法和装置。 在一个示例中,将受控的预定功率提供给负载,而不需要来自负载的任何反馈信息(即,不监视负载电压和/或负载电流)。 在另一示例中,用于基于LED的光源的“前馈”功率驱动器组合DC-DC转换器和光源控制器的功能,并且被配置为基于以下方式来控制由光源产生的光的强度: 调制在给定时间段内递送到光源的平均功率,而不监视和/或调节提供给光源的电压或电流。 在各种示例中,实现了具有更少组件,更高的总体功率效率和更小的空间要求的显着简化的电路。 基于各种功率驱动器配置,可以实现结合用于一个或多个基于LED的负载的一个或多个功率驱动器的照明装置,并且可以将多个这样的照明装置耦合在一起以形成照明网络,其中在所有照明网络中有效地提供工作功率 网络。
    • 7. 发明授权
    • Light emitting diode based products
    • 基于发光二极管的产品
    • US07161313B2
    • 2007-01-09
    • US11106381
    • 2005-04-14
    • Colin PiepgrasGeorge G. MuellerIhor A. LysKevin J. DowlingFrederick M. Morgan
    • Colin PiepgrasGeorge G. MuellerIhor A. LysKevin J. DowlingFrederick M. Morgan
    • H05B37/00
    • F21L4/08A63H33/22F21K9/232F21K9/60F21S8/035F21V3/00F21V7/005F21V21/406F21V23/0442F21W2111/10F21W2121/006F21Y2115/10G02B6/001G02B6/0031G02B6/0036G02B6/0043G02B6/0055G02B6/006G02B6/0061H05B33/0857H05B37/0254
    • Various exemplary implementations of light emitting diode (LED) based illumination products and methods are disclosed including, but not limited to, glow sticks, key chains, toys, balls, various game accessories, light bulbs, night lights, wall lights, wall switches, wall sockets, wall panels, modular lights, flexible lights, automotive lights, wearable accessories, light ropes, decorative lights such as icicles and icicle strings, light tubes, insect control lights and methods, and lighted air fresheners/scent dispensers. Any of the foregoing devices may be equipped with various types of user interfaces (both “local” and “remote”) to control light generated from the device. Additionally, devices may be controlled via light control information or programs stored in device memory and/or transmitted or downloaded to the devices (e.g., devices may be controlled individually or collectively in groups via a network, glow sticks or other products may be downloaded with programming information that is stored in memory, etc.). Devices also may include sensors so that the generated light may change in response to various operating and/or environmental conditions or a user input. Various optical processing devices which may be used with any of the devices (e.g., reflectors, diffusers, etc.) also are disclosed.
    • 公开了基于发光二极管(LED)的照明产品和方法的各种示例性实施方式,包括但不限于发光棒,钥匙链,玩具,球,各种游戏配件,灯泡,夜灯,壁灯,墙壁开关, 墙壁插座,墙板,模块灯,柔性灯,汽车灯,可穿戴配件,轻型绳索,装饰灯如冰柱和冰柱,灯管,昆虫控制灯和方法,以及照明空气清新剂/气味分配器。 上述装置中的任一个可以配备有各种类型的用户界面(“本地”和“远程”两者))来控制从装置产生的光。 另外,设备可以通过光控制信息或存储在设备存储器中的程序来控制和/或被传输或下载到设备中(例如,可以通过网络单独或集体地对组件进行控制,发光棒或其他产品可以与 存储在存储器中的编程信息等)。 设备还可以包括传感器,使得所产生的光可以响应于各种操作和/或环境条件或用户输入而改变。 还可以公开可以与任何设备(例如反射器,扩散器等)一起使用的各种光学处理设备。
    • 9. 发明授权
    • Methods and apparatus for providing power to lighting devices
    • 为照明装置提供电力的方法和装置
    • US07038399B2
    • 2006-05-02
    • US10435687
    • 2003-05-09
    • Ihor A. LysKevin J. DowlingFrederick M. Morgan
    • Ihor A. LysKevin J. DowlingFrederick M. Morgan
    • G05F1/00
    • H05B33/0815F21K9/232F21V3/00F21Y2115/10H05B33/0809H05B33/0842H05B33/0851H05B33/0857H05B33/0863H05B33/0872H05B37/029H05B39/044Y02B20/383Y10S315/04
    • Methods and apparatus for providing power to devices via an A.C. power source, and for facilitating the use of LED-based light sources on A.C. power circuits that provide signals other than standard line voltages. In one example, LED-based light sources may be coupled to A.C. power circuits that are controlled by conventional dimmers (i.e, “A.C. dimmer circuits”). Hence, LED-based light sources may be conveniently substituted for other light sources (e.g., incandescent lights) in lighting environments employing conventional A.C. dimming devices and/or other control signals present on the A.C. power circuit. In yet other aspects, one or more parameters relating to the light generated by LED-based light sources (e.g., intensity, color, color temperature, temporal characteristics, etc.) may be conveniently controlled via operation of a conventional A.C. dimmer and/or other signals present on the A.C. power circuit.
    • 用于通过交流电源向装置提供电力的方法和装置,以及便于在提供除了标准线路电压之外的信号的交流电源电路上使用基于LED的光源。 在一个示例中,基于LED的光源可以耦合到由常规调光器(即,“A.C. dimmer电路”)控制的交流电源电路。 因此,在采用常规交流调光装置和/或交流电源电路上存在的其它控制信号的照明环境中,基于LED的光源可以方便地代替其它光源(例如白炽灯)。 在其他方面,可以通过常规AC调光器和/或其它方式的操作来方便地控制与基于LED的光源产生的光(例如强度,颜色,色温,时间特性等)有关的一个或多个参数 交流电源电路上存在其他信号。