公开(公告)号：US08735490B2

公开(公告)日：2014-05-27

申请号：US12971333

申请日：2010-12-17

申请人： Jin Hwa Chung ,  Kee Hae Kwon ,  Ja Kwan Koo ,  Il Jin Kim

发明人： Jin Hwa Chung ,  Kee Hae Kwon ,  Ja Kwan Koo ,  Il Jin Kim

IPC分类号： C08L51/04 ,  C08L55/02 ,  C08L35/06 ,  C08L25/12

CPC分类号： C08L51/04 ,  C08G77/442 ,  C08L25/12 ,  C08L25/14 ,  C08L35/06 ,  C08L55/02 ,  C08L83/04 ,  C08L83/10 ,  C08L2666/02

摘要： An aromatic vinyl thermoplastic resin composition includes (A) about 10 to about 99% by weight of a thermoplastic resin (A) including (a1) an aromatic vinyl copolymer resin, (a2) a rubber-modified vinyl graft copolymer, or a combination of (a1) and (a2); and (B) about 1 to about 90% by weight of a branched aromatic vinyl copolymer resin including a silicon based compound. The branched aromatic vinyl copolymer includes a copolymer prepared by copolymerizing (b1) about 10 to about 85% by weight of an aromatic vinyl based monomer; (b2) about 10 to about 85% by weight of an unsaturated nitrile based monomer; (b3) about 1 to about 50% by weight of an aromatic methacrylate, aliphatic methacrylate, or a combination thereof; and (b4) about 0.1 to about 20% by weight of a silicon based compound having two or more unsaturated functional groups.

摘要翻译： 芳族乙烯基热塑性树脂组合物包含（A）约10至约99重量％的热塑性树脂（A），其包含（a1）芳族乙烯基共聚物树脂，（a2）橡胶改性的乙烯基接枝共聚物或 （a1）和（a2）; 和（B）约1至约90重量％的包含硅基化合物的支链芳族乙烯基共聚物树脂。 支链芳族乙烯基共聚物包括通过共聚（b1）约10至约85重量％的芳族乙烯基类单体制备的共聚物; （b2）约10至约85重量％的不饱和腈基单体; （b3）约1至约50重量％的芳族甲基丙烯酸酯，脂族甲基丙烯酸酯或其组合; 和（b4）约0.1至约20重量％的具有两个或更多个不饱和官能团的硅基化合物。

公开(公告)号：US08513895B2

公开(公告)日：2013-08-20

申请号：US12762386

申请日：2010-04-19

申请人： Ta-Yung Yang ,  Byung-Hak Ahn ,  Jin-Hwa Chung ,  Chun-Chi Chen

发明人： Ta-Yung Yang ,  Byung-Hak Ahn ,  Jin-Hwa Chung ,  Chun-Chi Chen

IPC分类号： H05B37/02

CPC分类号： H05B33/0815 ,  H05B33/0827 ,  Y02B20/347

摘要： The present invention provides a control circuit for LED driver. A voltage-feedback circuit is coupled to LEDs to sense a voltage-feedback signal for generating a voltage loop signal. Current sources are coupled to the LEDs to control LED currents. A detection circuit is connected to sense voltages of current sources for generating a current-source loop signal in response to a minimum voltage of the current sources. Furthermore, a buffer circuit generates a feedback signal in accordance with the voltage loop signal and the current-source loop signal. The feedback signal is coupled to limit a maximum voltage of the LEDs and regulate the minimum voltage across the current sources.

摘要翻译： 本发明提供一种LED驱动器的控制电路。 电压反馈电路耦合到LED以感测用于产生电压环路信号的电压反馈信号。 电流源耦合到LED以控制LED电流。 连接检测电路以响应于电流源的最小电压来感测用于产生电流 - 源极环路信号的电流源的电压。 此外，缓冲电路根据电压环路信号和电流 - 源极环路信号产生反馈信号。 耦合反馈信号以限制LED的最大电压并调节跨过电流源的最小电压。

公开(公告)号：US20110160400A1

公开(公告)日：2011-06-30

申请号：US12966133

申请日：2010-12-13

申请人： Jin Seong LEE ,  Yong Hee KANG ,  Kee Hae KWON ,  Man Suk KIM ,  Jong Tae YOON ,  Jung Hun LEE ,  Jin Hwa CHUNG

发明人： Jin Seong LEE ,  Yong Hee KANG ,  Kee Hae KWON ,  Man Suk KIM ,  Jong Tae YOON ,  Jung Hun LEE ,  Jin Hwa CHUNG

IPC分类号： C08L51/00 ,  C08F30/02

CPC分类号： C08F220/18 ,  C08F230/02

摘要： The present invention provides a phosphoric and acrylic copolymer resin that can have good transparency, scratch resistance and flame retardancy and a composition including the same. The phosphoric and acrylic copolymer resin includes repeat units of (A-1) at least one vinyl monomer and (A-2) at least one phosphoric monomer.

摘要翻译： 本发明提供可以具有良好的透明性，耐擦伤性和阻燃性的磷酸和丙烯酸共聚物树脂和包含其的组合物。 磷酸和丙烯酸共聚物树脂包括（A-1）至少一种乙烯基单体和（A-2）至少一种磷酸单体的重复单元。

公开(公告)号：US20100168272A1

公开(公告)日：2010-07-01

申请号：US12642904

申请日：2009-12-21

申请人： Sang Ki PARK ,  Kee Hae KOWN ,  Jin Hwa CHUNG ,  Jin Hwan CHOI ,  Yun Kyu LEE

发明人： Sang Ki PARK ,  Kee Hae KOWN ,  Jin Hwa CHUNG ,  Jin Hwan CHOI ,  Yun Kyu LEE

IPC分类号： C08L69/00

CPC分类号： C08L33/10 ,  C08L69/00 ,  C08L2666/18 ,  C08L2666/04

摘要： A polycarbonate resin composition of the present invention comprises about 40 to about 99% by weight of a polycarbonate resin (A), about 1 to about 60% by weight of an acrylic copolymer (B) having a high refractive index and a flexible structure, and about 0 to about 60% by weight of acrylic resin (C). A polycarbonate resin composition of the present invention can have excellent transparency and scratch resistance without requiring extra compatibilizers by including an acrylic copolymer having a high refractive index and a flexible structure with the polycarbonate resin.

摘要翻译： 本发明的聚碳酸酯树脂组合物包含约40至约99重量％的聚碳酸酯树脂（A），约1至约60重量％的具有高折射率和柔性结构的丙烯酸共聚物（B） 和约0至约60重量％的丙烯酸树脂（C）。 本发明的聚碳酸酯树脂组合物可以通过包含具有高折射率的丙烯酸共聚物和具有柔性结构的聚碳酸酯树脂而不需要额外的增容剂，可以具有优异的透明性和耐划伤性。

公开(公告)号：US20100015478A1

公开(公告)日：2010-01-21

申请号：US12468388

申请日：2009-05-19

申请人： Kyoung-hwan CHOI ,  Sang-Kyun Kang ,  Jin-ho Kim ,  Soon-ho Song ,  Jin-hwa Chung

发明人： Kyoung-hwan CHOI ,  Sang-Kyun Kang ,  Jin-ho Kim ,  Soon-ho Song ,  Jin-hwa Chung

IPC分类号： H01M8/04 ,  G01J5/02

CPC分类号： H01M8/04447 ,  G01N21/3504 ,  H01M8/04186 ,  H01M8/04197 ,  H01M8/04798 ,  H01M8/04992

摘要： A method of measuring methanol vapor concentration on a real-time basis and a methanol vapor concentration measuring apparatus used in fuel cells. The method of measuring methanol vapor concentration involves using an absorption spectrometry technique, that is, after measuring intensities I0 and I1 of light of a laser before and after passing through a space filled with methanol vapor and into which light is irradiated, the methanol vapor concentration is calculated by substituting the intensities I0 and I1 into an equation defined as I1/I0=exp (K·L·C), where K represents the absorption coefficient, L represents the length of the space through which the laser passes, and C represents the methanol vapor concentration.

摘要翻译： 一种实时测量甲醇蒸汽浓度的方法和用于燃料电池的甲醇蒸汽浓度测量装置。 测量甲醇蒸汽浓度的方法包括使用吸收光谱法，即在通过填充有甲醇蒸气的空间之前和之后测量激光的光强度I0和I1后，照射光，甲醇蒸气浓度 通过将强度I0和I1代入定义为I1 / I0 = exp（KLC）的等式来计算，其中K表示吸收系数，L表示激光通过的空间的长度，C表示甲醇蒸气浓度 。

公开(公告)号：US09353200B2

公开(公告)日：2016-05-31

申请号：US14365991

申请日：2011-12-29

申请人： Jin Hwa Chung ,  Kee Hae Kwon ,  Joo Hyun Jang ,  Yong Hee Kang ,  Ja Kwan Goo ,  Man Suk Kim ,  Kwang Soo Park

发明人： Jin Hwa Chung ,  Kee Hae Kwon ,  Joo Hyun Jang ,  Yong Hee Kang ,  Ja Kwan Goo ,  Man Suk Kim ,  Kwang Soo Park

IPC分类号： C08F22/10 ,  C08L33/10 ,  C08F220/18

CPC分类号： C08F22/10 ,  C08F220/18 ,  C08L33/10 ,  C08F220/14 ,  C08F2220/1883

摘要： Disclosed herein is a thermoplastic (meth)acrylate copolymer, which includes a derivative unit obtained from a monomer mixture including: (A) an aromatic (meth)acrylate having an index of refraction from about 1.580 to about 1.700; and (B) a monofunctional unsaturated monomer.

摘要翻译： 本文公开了一种热塑性（甲基）丙烯酸酯共聚物，其包括由单体混合物获得的衍生单元，所述单体混合物包含：（A）折射率约1.580至约1.700的芳族（甲基）丙烯酸酯; 和（B）单官能不饱和单体。

公开(公告)号：US08557912B2

公开(公告)日：2013-10-15

申请号：US12961877

申请日：2010-12-07

申请人： Jin Hwa Chung ,  Kee Hae Kwon ,  Il Jin Kim ,  Kwang Soo Park ,  Ja Kwan Koo

发明人： Jin Hwa Chung ,  Kee Hae Kwon ,  Il Jin Kim ,  Kwang Soo Park ,  Ja Kwan Koo

IPC分类号： C08F290/04 ,  C08F283/02 ,  C08F283/08 ,  C08F20/00 ,  C08L73/00 ,  C08L77/00 ,  C08L51/00 ,  C08L61/04 ,  C08L51/04 ,  C08L43/00 ,  C08L79/08 ,  C08J3/22

CPC分类号： C08L33/20 ,  C08L25/12 ,  C08L25/14 ,  C08L51/04 ,  C08L2205/06 ,  C08L2666/24 ,  C08L2666/06

摘要： An aromatic vinyl-based thermoplastic resin composition includes a rubber-modified acrylic graft copolymer and a branched aromatic vinyl copolymer resin including a silicon compound.

摘要翻译： 芳族乙烯基类热塑性树脂组合物包括橡胶改性的丙烯酸接枝共聚物和包含硅化合物的支化芳族乙烯基共聚物树脂。

公开(公告)号：US08304494B2

公开(公告)日：2012-11-06

申请号：US12642904

申请日：2009-12-21

申请人： Sang Ki Park ,  Kee Hae Kown ,  Jin Hwa Chung ,  Jin Hwan Choi ,  Yun Kyu Lee

发明人： Sang Ki Park ,  Kee Hae Kown ,  Jin Hwa Chung ,  Jin Hwan Choi ,  Yun Kyu Lee

IPC分类号： C08L69/00 ,  C08L33/10

CPC分类号： C08L33/10 ,  C08L69/00 ,  C08L2666/18 ,  C08L2666/04

摘要： A polycarbonate resin composition of the present invention comprises about 40 to about 99% by weight of a polycarbonate resin (A), about 1 to about 60% by weight of an acrylic copolymer (B) having a high refractive index and a flexible structure, and about 0 to about 60% by weight of acrylic resin (C). A polycarbonate resin composition of the present invention can have excellent transparency and scratch resistance without requiring extra compatibilizers by including an acrylic copolymer having a high refractive index and a flexible structure with the polycarbonate resin.

摘要翻译： 本发明的聚碳酸酯树脂组合物包含约40至约99重量％的聚碳酸酯树脂（A），约1至约60重量％的具有高折射率和柔性结构的丙烯酸共聚物（B） 和约0至约60重量％的丙烯酸树脂（C）。 本发明的聚碳酸酯树脂组合物可以通过包含具有高折射率的丙烯酸共聚物和具有柔性结构的聚碳酸酯树脂而不需要额外的增容剂，可以具有优异的透明性和耐划伤性。

公开(公告)号：US08188674B2

公开(公告)日：2012-05-29

申请号：US12791281

申请日：2010-06-01

申请人： Jin-Hwa Chung ,  Iiyong Jung ,  Chan Son ,  Jaewoon Kim

发明人： Jin-Hwa Chung ,  Iiyong Jung ,  Chan Son ,  Jaewoon Kim

IPC分类号： H05B41/16

CPC分类号： H05B33/0815 ,  F21V23/04 ,  F21Y2115/10 ,  H05B33/0848 ,  H05B37/0227 ,  Y02B20/347

摘要： The present invention relates to an LED light emitting device and a driving method, and discloses a technology that may improve a slew rate of a channel current flowing through an LED channel when driving with a pulse width modulation method. For this, the present invention includes an LED channel consisting of a plurality of LED elements that are consecutively and serially connected, a current control switch that is connected to the end of the LED channel and performs a switching operation, and an operational amplifier that controls the switching operation of the current control switch according to a pulse width modulation signal. The LED driver samples an output voltage at the operational amplifier when the pulse width modulation signal is in an on state, and maintains the output voltage of the operational amplifier when the pulse width modulation signal is in an off state.

摘要翻译： LED发光装置及其驱动方法技术领域本发明涉及LED发光装置及其驱动方法，并且公开了以脉冲宽度调制方式驱动时可提高流过LED通道的通道电流的转换速度的技术。 为此，本发明包括由连续和串联连接的多个LED元件构成的LED通道，连接到LED通道的端部并执行开关操作的电流控制开关，以及控制 根据脉宽调制信号对电流控制开关进行开关动作。 当脉宽调制信号处于导通状态时，LED驱动器对运算放大器的输出电压进行采样，当脉宽调制信号处于截止状态时，维持运算放大器的输出电压。

公开(公告)号：US08120337B2

公开(公告)日：2012-02-21

申请号：US12564632

申请日：2009-09-22

申请人： Jin-Hwa Chung ,  Jae-Soon Choi ,  Chan Son ,  Hak-Hee Lee

发明人： Jin-Hwa Chung ,  Jae-Soon Choi ,  Chan Son ,  Hak-Hee Lee

IPC分类号： G05F1/00

CPC分类号： H05B41/2828 ,  H02M1/36

摘要： A load driver includes an inverter and an inverter driver. The inverter converts an input voltage into a driving voltage of a discharge lamp using at least one first switch for switching according to a duty ratio, and the inverter driver controls the inverter. The inverter driver controls the duty ratio using a voltage of a capacitor and a control signal having a waveform that is repeated with a predetermined frequency. The capacitor is charged and discharged by a current corresponding to a difference between a feedback voltage corresponding to a current flow to the discharge lamp and a reference voltage. Such inverter driver controls to gradually increase the output voltage of the inverter in the soft start period by setting the voltage of the capacitor as a voltage corresponding to the control signal.

摘要翻译： 负载驱动器包括逆变器和逆变器驱动器。 反相器根据占空比使用至少一个用于切换的第一开关将输入电压转换成放电灯的驱动电压，并且逆变器驱动器控制逆变器。 逆变器驱动器使用电容器的电压和具有以预定频率重复的波形的控制信号来控制占空比。 电容器通过与对应于与放电灯的电流对应的反馈电压和参考电压之间的差值的电流进行充电和放电。 这种逆变器驱动器通过将电容器的电压设置为与控制信号相对应的电压来控制在软启动时段逐渐增加逆变器的输出电压。