公开(公告)号：US20170256944A1

公开(公告)日：2017-09-07

申请号：US15474715

申请日：2017-03-30

申请人： Shu Yuen Ron HUI ,  Chi Kwan LEE ,  Felix Fulih WU

发明人： Shu Yuen Ron HUI ,  Chi Kwan LEE ,  Felix Fulih WU

IPC分类号： H02J3/18 ,  H02J3/24

CPC分类号： H02J3/18 ,  H02J3/1814 ,  H02J3/1842 ,  H02J3/24 ,  Y02E40/18 ,  Y02E40/22 ,  Y02E40/30

摘要： The present invention provides a power control circuit connectable to a load adapted to receive a power supply, the power control circuit adapted to absorb power from the power supply and adapted to deliver power to the power supply to stabilize at least one electrical parameter of the power supply. The present invention also provides an associated method of stabilizing at least one electrical parameter of a power supply connectable to a load, the method including absorbing power from the power supply or delivering power to the power supply. The at least one electrical parameter of the power supply includes parameters such as voltage and frequency.

公开(公告)号：US09608225B2

公开(公告)日：2017-03-28

申请号：US12656225

申请日：2010-01-21

申请人： Do-Hwan Kim ,  Sang-Yoon Lee ,  Kwanghee Lee ,  Sung Heum Park ,  Shinuk Cho ,  Jae-Kwan Lee ,  Alan J. Heeger

发明人： Do-Hwan Kim ,  Sang-Yoon Lee ,  Kwanghee Lee ,  Sung Heum Park ,  Shinuk Cho ,  Jae-Kwan Lee ,  Alan J. Heeger

IPC分类号： H01L51/52 ,  H01L51/56 ,  H01L51/50 ,  H01L27/32

CPC分类号： H01L51/5036 ,  H01L27/3209 ,  H01L51/50 ,  H01L51/5048 ,  H01L51/5203 ,  H01L51/56

摘要： A light emitting device may include a first electrode on a substrate, a first emission layer on the first electrode, a buffer layer on the first emission layer, a middle electrode on the buffer layer, a second emission layer on the middle electrode, and a second electrode on the second emission layer. The buffer layer may include a material selected from the group consisting of a metal oxide, a polyelectrolyte, and a combination thereof. The first emission layer, buffer layer, middle electrode, and second emission layer may be fabricated using a wet process.

公开(公告)号：US09356647B2

公开(公告)日：2016-05-31

申请号：US12558016

申请日：2009-09-11

申请人： Hee Kwan Lee

发明人： Hee Kwan Lee

IPC分类号： H04B1/707 ,  H04B7/06 ,  H04J13/00

CPC分类号： H04B1/707 ,  H04B7/0626 ,  H04B7/0628 ,  H04B7/0636 ,  H04J13/00

摘要： Provided is a channel information feedback method for a multiple input multiple output (MIMO) communication system. A terminal may provide feedback information generated by manipulating estimates of downlink channels using a plurality of spreading sequences. A base station may processes the feedback information provided from the terminal, and recognize channel information for each downlink channel.

摘要翻译： 提供了一种用于多输入多输出（MIMO）通信系统的信道信息反馈方法。 终端可以提供通过使用多个扩展序列来操纵下行链路信道的估计而产生的反馈信息。 基站可以处理从终端提供的反馈信息，并且识别每个下行链路信道的信道信息。

公开(公告)号：US09225414B2

公开(公告)日：2015-12-29

申请号：US13142268

申请日：2009-12-30

申请人： Dong-Kwan Lee

发明人： Dong-Kwan Lee

IPC分类号： H04B7/06 ,  H04W28/06

CPC分类号： H04B7/068 ,  H01Q21/06 ,  H04W28/06

摘要： The present invention relates to a transmission device and method using space-frequency transmission diversity in a communications system. The transmission device and method using space-frequency transmission diversity according to the present invention is characterized in that data or signals are grouped into 2 or more groups which are then transmitted through different transmission antennae by using different sub-carriers.

摘要翻译： 本发明涉及在通信系统中使用空间 - 频率传输分集的传输设备和方法。 根据本发明的使用空间 - 频率传输分集的传输设备和方法的特征在于，数据或信号被分组为2个或更多个组，然后通过使用不同的子载波通过不同的发射天线发射。

公开(公告)号：US09219458B2

公开(公告)日：2015-12-22

申请号：US12137546

申请日：2008-06-12

申请人： Chae Kwan Lee

发明人： Chae Kwan Lee

IPC分类号： H04L27/08 ,  H03G3/30

CPC分类号： H03G3/3052 ,  H03G3/3078

摘要： Methods and apparatus for automatic gain control (AGC) and DC calibration for orthogonal frequency-division multiplexing (OFDM) or orthogonal frequency division multiple access (OFDMA) systems are provided in an effort to avoid saturation of the analog-to-digital converter (ADC) in a radio frequency (RF) front end of a receiver, to handle dynamic received signal power, or to avoid interruptions in a communication link for DC calibration. For certain embodiments, the quantization error in the RF front end may also be decreased.

摘要翻译： 提供了用于正交频分复用（OFDM）或正交频分多址（OFDMA）系统的自动增益控制（AGC）和DC校准的方法和装置，以避免模数转换器（ADC）的饱和 ）处理接收机的射频（RF）前端，以处理动态接收信号功率，或避免用于DC校准的通信链路中断。 对于某些实施例，RF前端中的量化误差也可以减小。

公开(公告)号：US08915419B2

公开(公告)日：2014-12-23

申请号：US13524701

申请日：2012-06-15

申请人： Su Jin Lee ,  Hye In Kim ,  Young Kwan Lee ,  Chang Kyung Woo ,  Je Kyoung Kim

发明人： Su Jin Lee ,  Hye In Kim ,  Young Kwan Lee ,  Chang Kyung Woo ,  Je Kyoung Kim

IPC分类号： B23K31/02 ,  B23K1/20 ,  H05K3/28 ,  H05K3/34 ,  H05K3/26

CPC分类号： H05K3/282 ,  H05K3/26 ,  H05K3/3484 ,  H05K2203/095

摘要： Disclosed herein are a method for surface-treating a printed circuit board and a printed circuit board including a surface treatment layer. The method includes: plasma-treating a surface of a printed circuit board; treating the plasma-treated substrate with an organic solderability preserve; performing heat treatment on the substrate treated with the organic solderability preserve; printing a solder paste on the substrate subjected to the heat treatment; reflowing the solder paste printed substrate to fix the solder paste; and deflux washing the resulting substrate.According to the present invention, the discoloration problem due to oxidation of copper can be solved by performing heat treatment under predetermined conditions after treatment with an organic solderability preserve. Therefore, the present invention can meet various multi-reflow processes, as compared with products of the related art.

摘要翻译： 这里公开了一种表面处理印刷电路板和包括表面处理层的印刷电路板的方法。 该方法包括：等离子体处理印刷电路板的表面; 用有机可焊性保存处理等离子体处理的基板; 对用有机可焊性保持剂处理的基材进行热处理; 在经过热处理的基板上印刷焊膏; 回流焊膏印刷基板以固定焊膏; 并且对所得到的底物进行去焊洗涤。 根据本发明，由于铜的氧化引起的变色问题可以通过在有机可焊性保存处理后在预定条件下进行热处理来解决。 因此，与现有技术的产品相比，本发明可以满足各种多回流工艺。

公开(公告)号：US08909467B2

公开(公告)日：2014-12-09

申请号：US13995286

申请日：2011-06-07

申请人： Ghang Lee ,  Joon Beom Cho ,  Tae Kwan Lee ,  Sung Il Ham ,  Su Yeul Park ,  Kang Lee

发明人： Ghang Lee ,  Joon Beom Cho ,  Tae Kwan Lee ,  Sung Il Ham ,  Su Yeul Park ,  Kang Lee

IPC分类号： B66C15/04 ,  B66C13/48 ,  G01S5/16 ,  G01S19/51

CPC分类号： B66C13/48 ,  B66C15/04 ,  G01S5/16 ,  G01S19/51

摘要： A material position information measuring section measures a position of a material lifted up by a tower crane. A structure information measuring section measures position information about surrounding structures. A route searching section searches for a route of movement of the material from a start point to a destination. The route of movement determined by the route searching section is stored in a route storage. A data processor receives data of the material position information measuring section and the structure information measuring section, and calculates 2D or 3D image data about relative positions of the tower crane, the material lifted up by the tower crane and the surrounding structures. A display unit displays information about at least one of the tower crane, the material and the surrounding structures using the image data calculated by the data processor, and displays the route of movement determined by the route searching section.

摘要翻译： 材料位置信息测量部分测量由塔式起重机提升的材料的位置。 结构信息测量部分测量关于周围结构的位置信息。 路径搜索部分搜索材料从起始点到目的地的移动路线。 由路径搜索部确定的移动路径存储在路径存储器中。 数据处理器接收材料位置信息测量部分和结构信息测量部分的数据，并且计算关于塔式起重机的相对位置，由塔式起重机提升的材料和周围结构的2D或3D图像数据。 显示单元使用由数据处理器计算的图像数据显示关于塔式起重机，材料和周围结构中的至少一个的信息，并且显示由路线搜索部确定的移动路线。

公开(公告)号：US08585817B2

公开(公告)日：2013-11-19

申请号：US12893830

申请日：2010-09-29

申请人： Young Kwan Lee ,  Mi Suk Cho ,  Chang Kyu Lee

发明人： Young Kwan Lee ,  Mi Suk Cho ,  Chang Kyu Lee

IPC分类号： C08L1/12 ,  C08L97/02 ,  C08L1/10

CPC分类号： C08L1/10 ,  C08K5/0016 ,  C08L1/12 ,  C08L91/00 ,  C08L97/02 ,  C08L2205/12 ,  C08L2666/26 ,  Y10T428/249948

摘要： Provided is a biodegradable thermoplastic resin composition including a cellulose derivative and surface-treated natural fiber. More particularly, in preparation of the biodegradable thermoplastic resin composition including the cellulose derivative and the natural fiber, a surface of the natural fiber is treated with alkali and/or sized, thereby increasing a density of the natural fiber, and an interfacial adhesion between the cellulose derivative and the natural fiber to improve a mechanical strength of the biodegradable thermoplastic resin composition. Furthermore, as the cheap natural fiber is used as a reinforcer, the production cost can be reduced.

摘要翻译： 提供一种包含纤维素衍生物和经表面处理的天然纤维的可生物降解的热塑性树脂组合物。 更具体地说，在制备包含纤维素衍生物和天然纤维的可生物降解的热塑性树脂组合物时，用碱和/或尺寸处理天然纤维的表面，从而增加天然纤维的密度，和 纤维素衍生物和天然纤维，以提高可生物降解的热塑性树脂组合物的机械强度。 此外，由于廉价的天然纤维用作增强剂，因此可以降低生产成本。

公开(公告)号：US08564055B2

公开(公告)日：2013-10-22

申请号：US13456406

申请日：2012-04-26

申请人： John Chen ,  Il Kwan Lee ,  Hong Chang ,  Wenjun Li ,  Anup Bhalla ,  Hamza Yilmaz

发明人： John Chen ,  Il Kwan Lee ,  Hong Chang ,  Wenjun Li ,  Anup Bhalla ,  Hamza Yilmaz

IPC分类号： H01L29/78

CPC分类号： H01L29/7813 ,  H01L29/407 ,  H01L29/41766 ,  H01L29/42368 ,  H01L29/42372 ,  H01L29/4238 ,  H01L29/66719 ,  H01L29/66727 ,  H01L29/66734 ,  H01L29/7811

摘要： A semiconductor device includes a substrate, an active gate trench in the substrate, the active gate trench has a first top gate electrode and a first bottom source electrode, and a gate runner trench comprising a second top gate electrode and a second bottom source electrode. The second top gate electrode is narrower than the second bottom source electrode.

摘要翻译： 半导体器件包括衬底，衬底中的有源栅极沟槽，有源栅极沟槽具有第一顶部栅电极和第一底部源极电极以及包括第二顶部栅电极和第二底部源极电极的栅极流道沟槽。 第二顶栅电极比第二底源电极窄。

公开(公告)号：US20130098768A1

公开(公告)日：2013-04-25

申请号：US13546268

申请日：2012-07-11

申请人： Young Kwan LEE ,  Mi Suk CHO ,  Su Jeong LEE

发明人： Young Kwan LEE ,  Mi Suk CHO ,  Su Jeong LEE

IPC分类号： C25D9/04

CPC分类号： C25D9/02 ,  C25D9/04 ,  C25D13/02

摘要： Provided is a method of forming a uniform graphene layer on a substrate (metal- or conductive-polymer-coated, ITO) by doping expanded graphite using various kinds of dopants (Lewis acid) to grant a positive charge thereto, dispersing the doped expanded graphite in an organic solvent using ultrasonic waves to obtain a solution in which the graphene is dispersed in the organic solvent, and electrically applying a negative voltage to the solution.

摘要翻译： 提供了通过使用各种掺杂剂（路易斯酸）掺杂膨胀石墨来在基底（金属或导电聚合物涂覆的ITO）上形成均匀的石墨烯层以赋予其正电荷的方法，将掺杂的膨胀石墨 在使用超声波的有机溶剂中，得到石墨烯分散在有机溶剂中的溶液，并向溶液中施加负电压。