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    • 24. 发明授权
    • Light emitting apparatus and control method thereof
    • 发光装置及其控制方法
    • US08284133B2
    • 2012-10-09
    • US11651570
    • 2007-01-10
    • Jeong-il KangSang-hoon Lee
    • Jeong-il KangSang-hoon Lee
    • G09G3/32
    • G09G3/3406G09G2320/064
    • A light emitting apparatus includes: a plurality of light emitting parts connected in series; a current supplying part supplying current to the plurality of light emitting parts; a plurality of current switches connected in parallel to the plurality of light emitting parts, respectively, and causing the current to flow through the light emitting parts or bypass the light emitting parts; and a controlling part receiving brightness information corresponding to the plurality of light emitting parts and outputting pulse width modulation signals to the current switches so that emission time of the plurality of light emitting parts is separately adjusted based on the received brightness information.
    • 发光装置包括:串联连接的多个发光部; 向所述多个发光部供给电流的电流供给部; 分别与所述多个发光部并联连接的多个电流开关,使所述电流流过所述发光部,或者旁路所述发光部; 以及控制部分,接收对应于所述多个发光部分的亮度信息并将脉冲宽度调制信号输出到所述电流开关,使得所述多个发光部件的发光时间基于所接收的亮度信息被单独调节。
    • 27. 发明授权
    • Ion print head and image forming apparatus using the same
    • 离子打印头和使用其的成像设备
    • US07911488B2
    • 2011-03-22
    • US11194693
    • 2005-08-02
    • Sang-hoon LeeHyun-surk Kim
    • Sang-hoon LeeHyun-surk Kim
    • B41J2/415
    • B41J2/4155G03G15/323
    • An ion print head and image forming apparatus using the same includes at least one discharge cell array structure having microelectrodes to form an electrostatic latent image on an insulation layer of an electrostatic drum by selectively applying charged particles to the insulation layer. The at least one discharge cell is provided with a plurality of discharge elements to emit the charged particles, and a controller to control the plurality of discharge elements. Each of the plurality of discharge elements includes a base, a microelectrode disposed on the base to emit the charged particles toward the insulation layer, and a control electrode spaced apart from the base and having a hole therein through which the emitted charged particles pass and to control the emission of the charged particle from the microelectrode.
    • 一种离子打印头和使用其的图像形成装置包括至少一个具有微电极的放电单元阵列结构,以通过选择性地将带电粒子施加到绝缘层而在静电鼓的绝缘层上形成静电潜像。 至少一个放电单元设置有多个放电元件以发射带电粒子,以及控制器来控制多个放电元件。 多个放电元件中的每一个包括基座,设置在基座上以朝向绝缘层发射带电粒子的微电极,以及与基座间隔开并具有孔的发射带电粒子通过的控制电极, 控制来自微电极的带电粒子的发射。
    • 30. 发明授权
    • Load driving device and load driving method
    • 负载驱动装置和负载驱动方法
    • US07315135B2
    • 2008-01-01
    • US11346341
    • 2006-02-03
    • Jeong-il KangSang-hoon LeeKyoung-geun LeeYung-jun Park
    • Jeong-il KangSang-hoon LeeKyoung-geun LeeYung-jun Park
    • H05B41/24
    • H05B33/0815H05B33/0857
    • Provided is a load driving device controlling a drive of a load including a driver for periodically turning on/off a current according to a switching clock signal and supplying a average driving current to the load. Further provided is a dimming controller for controlling the driver to turn on/off the drive of the load based on a dimming step. Also provided is a controller for controlling at least one of the driver and the dimming controller so as to make a step interval of the dimming step and a switching clock period of the switching clock signal the same. A load driving device is provided that is capable of stably controlling the dimming of a drive of a load, by improving a linear response characteristic of a driving current according to a dimming control.
    • 提供了一种负载驱动装置,其控制包括驱动器的负载的驱动,以根据开关时钟信号周期性地接通/关断电流,并将平均驱动电流提供给负载。 还提供了一种调光控制器,用于控制驾驶员基于调光步骤打开/关闭负载的驱动。 还提供了一种用于控制驱动器和调光控制器中的至少一个的控制器,以便使调光步骤的步进间隔和开关时钟信号的开关时钟周期相同。 通过根据调光控制改善驱动电流的线性响应特性,提供能够稳定地控制负载驱动的调光的负载驱动装置。