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    • 3. 发明授权
    • Method of fabricating liquid lens using electrowetting and liquid lens fabricated thereby
    • 使用由此制造的电润湿和液体透镜制造液体透镜的方法
    • US07522345B2
    • 2009-04-21
    • US11638586
    • 2006-12-14
    • Byung Do OhYoung Kyu ParkSun Ok Kim
    • Byung Do OhYoung Kyu ParkSun Ok Kim
    • G02B1/06
    • G02B3/14
    • A method of fabricating a liquid lens which can prevent unstable movement of liquids while sealing a hole containing the liquids by applying voltage to a chamber containing the liquids to induce electrowetting, and a liquid lens fabricated thereby. The method includes providing a chamber with a hole formed therein for containing liquid and injecting two non-miscible liquids with different refractive indices. The method also includes placing a conductive transparent plate to be in contact with the liquid on the top and applying voltage to the conductive transparent plate and the chamber to induce electrowetting, thereby changing the shape of meniscus between the two liquids. The method further includes covering an upper surface of the chamber with the conductive transparent plate to seal the hole.
    • 一种制造液体透镜的方法,其可以通过向包含液体的室施加电压来密封包含液体的孔来防止液体的不稳定运动,以引起电润湿,以及由此制造的液体透镜。 该方法包括提供一个室,其中形成有用于容纳液体的孔,并注入两种具有不同折射率的不可混溶液体。 该方法还包括将导电透明板放置在与顶部的液体接触并且向导电透明板和室施加电压以诱导电润湿,从而改变两液体之间的弯液面的形状。 该方法还包括用导电透明板覆盖室的上表面以密封孔。
    • 4. 发明申请
    • Method of fabricating liquid lens using electrowetting and liquid lens fabricated thereby
    • 使用由此制造的电润湿和液体透镜制造液体透镜的方法
    • US20070146895A1
    • 2007-06-28
    • US11638586
    • 2006-12-14
    • Byung Do OhYoung Kyu ParkSun Ok Kim
    • Byung Do OhYoung Kyu ParkSun Ok Kim
    • G02B3/12
    • G02B3/14
    • A method of fabricating a liquid lens which can prevent unstable movement of liquids while sealing a hole containing the liquids by applying voltage to a chamber containing the liquids to induce electrowetting, and a liquid lens fabricated thereby. The method includes providing a chamber with a hole formed therein for containing liquid and injecting two non-miscible liquids with different refractive indices. The method also includes placing a conductive transparent plate to be in contact with the liquid on the top and applying voltage to the conductive transparent plate and the chamber to induce electrowetting, thereby changing the shape of meniscus between the two liquids. The method further includes covering an upper surface of the chamber with the conductive transparent plate to seal the hole.
    • 一种制造液体透镜的方法,其可以通过向包含液体的室施加电压来密封包含液体的孔来防止液体的不稳定运动,以引起电润湿,以及由此制造的液体透镜。 该方法包括提供一个室,其中形成有用于容纳液体的孔,并注入两种具有不同折射率的不可混溶液体。 该方法还包括将导电透明板放置在与顶部的液体接触并且向导电透明板和室施加电压以诱导电润湿,从而改变两液体之间的弯液面的形状。 该方法还包括用导电透明板覆盖室的上表面以密封孔。
    • 5. 发明授权
    • Driver for backlight unit
    • 背光单元驱动
    • US08350492B2
    • 2013-01-08
    • US12588769
    • 2009-10-27
    • Jong Ho LimKyu Bong JungYoung Kyu ParkBong Koo Kang
    • Jong Ho LimKyu Bong JungYoung Kyu ParkBong Koo Kang
    • H05B41/36
    • H05B41/2827G09G3/3406G09G2320/0233
    • A backlight unit, with a parallel configuration of plural lamps, having improved reliability is disclosed. The backlight unit driver includes: first and second lamps connected parallel to each other; a DC/AC inversion portion inverting a DC voltage into an AC voltage to apply the AC voltage to the lamps; a transformer transforming the AC voltage from the DC/AC inversion portion; a positive polarity AC signal compensator compensating an electric current difference between the first and second lamps using positive polarity AC signals from the first and second lamps; and a negative polarity AC signal compensator compensating the electric current difference between the first and second lamps using negative polarity AC signals from the first and second lamps.
    • 公开了具有提高的可靠性的具有多个灯的并联配置的背光单元。 背光单元驱动器包括:彼此平行连接的第一和第二灯; DC / AC反转部分将DC电压反转为AC电压以将AC电压施加到灯; 变压器,其从DC / AC反转部变换AC电压; 正极性AC信号补偿器,使用来自第一和第二灯的正极性AC信号补偿第一和第二灯之间的电流差; 以及负极性AC信号补偿器,使用来自第一和第二灯的负极性AC信号补偿第一和第二灯之间的电流差。
    • 6. 发明申请
    • APPARATUS AND METHOD FOR LOW POWER LOCAL AREA COMMUNICATION USING EVENT SIGNAL CONTROL
    • 使用事件信号控制的低功率局部通信的装置和方法
    • US20110164595A1
    • 2011-07-07
    • US12716970
    • 2010-03-03
    • Won Wook SOJong Heum ParkYoung Kyu Park
    • Won Wook SOJong Heum ParkYoung Kyu Park
    • H04W40/00
    • H04W12/06H04W24/00H04W48/08H04W52/0216Y02D70/144Y02D70/162Y02D70/166
    • Disclosed herein is an apparatus and method for low power local area communication using event signal control. The low power local area communication apparatus includes at least one coordinator and a plurality of network device. The network coordinator transmits a periodic beacon signal based on the preset beacon period of a superframe and a continuous RF event signal, receives a first signal including a Service Set Identifier (SSID) and a second signal including the SSID and an event detection code, and performs the transmission or reception of data when authentication has been completed. Each of the network devices generates and transmits the first and second signals, performs the transmission and reception of data after authentication has been completed, and is thereafter switched to power saving mode or OFF mode. Accordingly, the construction of the system is simplified, and the cost of the system is reduced.
    • 这里公开了一种使用事件信号控制的低功率局域通信的装置和方法。 低功率局域通信装置包括至少一个协调器和多个网络装置。 网络协调器基于超帧和连续RF事件信号的预设信标周期发送周期性信标信号,接收包括服务集标识符(SSID)的第一信号和包括SSID和事件检测码的第二信号,以及 当认证完成后,执行数据的发送或接收。 每个网络设备产生并发送第一和第二信号,在认证完成之后执行数据的发送和接收,然后切换到省电模式或关闭模式。 因此,简化了系统的构造,降低了系统的成本。
    • 7. 发明授权
    • Lens assembly of camera module
    • 镜头组合相机模组
    • US07755859B2
    • 2010-07-13
    • US12314268
    • 2008-12-05
    • Young Ho LeeJu Sung ParkYoung Kyu Park
    • Young Ho LeeJu Sung ParkYoung Kyu Park
    • G02B21/02
    • G02B7/023G02B7/022
    • A lens assembly of a camera module mounted in a small portable device includes a body receiving at least one lens and having a hole at one side, a screw member inserted in the hole in a direction substantially parallel to an optical axis, a support boss provided at the other side of the body and including a coupling hole formed in a direction substantially parallel to the optical axis, and a guide groove formed at one side of a side surface of the support boss, a shaft coupled with the coupling hole of the support boss and guiding a movement of the body, and a guide member having one side elastically and tightly attached to the screw member and moved by rotation of the screw member, and the other side coupled with the shaft to be movable along the guide groove and moving the body along the optical axis.
    • 安装在小型便携式装置中的相机模块的透镜组件包括容纳至少一个透镜并在一侧具有孔的主体,沿基本上平行于光轴的方向插入孔中的螺钉构件,提供的支撑凸起 在所述主体的另一侧并且包括在基本上平行于光轴的方向上形成的联接孔,以及形成在所述支撑凸台的侧表面的一侧的引导槽,与所述支撑件的联接孔联接的轴 引导主体的运动,以及引导构件,其一侧弹性且紧密地附接到螺钉构件并通过螺杆构件的旋转而移动,另一侧与轴联接以沿着导槽移动并移动 身体沿着光轴。
    • 8. 发明授权
    • Defrost mode for HVAC heat pump systems
    • HVAC热泵系统的除霜模式
    • US07707842B2
    • 2010-05-04
    • US11744339
    • 2007-05-04
    • Julio ConchaYu ChenYoung Kyu ParkTobias H. Sienel
    • Julio ConchaYu ChenYoung Kyu ParkTobias H. Sienel
    • F25D21/06
    • F25B30/02F25B47/022F25B2339/047F25B2400/0403F25B2500/18F25B2500/19F25B2700/133F25B2700/2106F25B2700/21151
    • A heat pump, and in particular a heat pump for heating a hot water supply is provided with an improved defrost mode. The defrost mode is actuated to remove frost from an outdoor evaporator that may accumulate during cold weather operation. An algorithm for operation of the defrost mode is developed experimentally by seeking to maximize the heat transfer provided by the refrigerant. A heating system condition is experimentally related to the heat transfer capacity. One then maximizes the average heat transfer capacity to determine the optimum initiation point for the defrost mode. Further, protections are included into the defrost mode. When the heat pump is utilized to heat hot water, methods are provided to prevent the water that remains in the heat exchanger from becoming unduly heated. In one method, the water pump may be periodically operated to move the water. In a second method, a control ensures the discharge pressure of the refrigerant leaving the compressor is reduced, and that the water pump is not stopped until that reduced temperature falls below a predetermined maximum. The temperature reduction is achieved through a dual control loop wherein a temperature that is too high results in a new desired discharge pressure. The control achieves the new desired pressure by controlling the expansion device. In another protection feature, as a control determines that the defrost mode is nearing its end, an evaporator fan is run to remove melted water from the evaporator coils, and also to ensure the refrigerant leaving the evaporator does not reach unduly high pressure or temperatures.
    • 具有改进的除霜模式的热泵,特别是用于加热热水源的热泵。 启动除霜模式以从室外蒸发器中除霜,这可能会在寒冷天气下运行时积聚。 通过试图使制冷剂提供的热传递最大化,实验地开发了除霜模式的操作算法。 加热系统条件实验上与传热能力有关。 然后将平均传热能力最大化,以确定除霜模式的最佳起始点。 此外,保护被包括在除霜模式中。 当使用热泵来加热热水时,提供了防止热交换器中残留的水变得过度加热的方法。 在一种方法中,水泵可以周期性地操作以移动水。 在第二种方法中,控制器确保离开压缩机的制冷剂的排放压力降低,并且水泵不停止,直到降低的温度降到预定的最大值以下。 通过双重控制回路实现温度降低,其中太高的温度导致新的期望排出压力。 该控制通过控制膨胀装置实现新的期望压力。 在另一个保护特征中,当控制器确定除霜模式接近其结束时,运行蒸发器风扇以从蒸发器盘管去除熔化的水,并且还确保离开蒸发器的制冷剂不会达到过高的压力或温度。