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    • 21. 发明申请
    • PIXEL AND ORGANIC LIGHT EMITTING DISPLAY
    • 像素和有机发光显示
    • US20090146987A1
    • 2009-06-11
    • US12327675
    • 2008-12-03
    • Dong-Hwi KimYang-Wan Kim
    • Dong-Hwi KimYang-Wan Kim
    • G06F3/038
    • G09G3/3233G09G2300/0814G09G2300/0819G09G2310/0262G09G2320/045
    • A pixel at an ith pixel row (i is a natural number) includes an organic light emitting diode (OLED); a driving transistor for supplying a current to the OLED and a storage capacitor between a gate electrode of the driving transistor and an (i−1)th emission control line; and a compensating unit for controlling a voltage of the gate electrode of the driving transistor to compensate for deterioration of the OLED. The compensating unit includes: a first compensating unit transistor and a second compensating unit transistor between the OLED and a first power source; first and second feedback capacitors between a second node between the first and second compensating unit transistors and a first node between the gate electrode of the driving transistor and the storage capacitor; and a third compensating unit transistor coupled between a third node between the first and second feedback capacitors and a reference voltage source.
    • 第i个像素行(i是自然数)的像素包括有机发光二极管(OLED); 用于向OLED提供电流的驱动晶体管和驱动晶体管的栅电极和第(i-1)个发射控制线之间的存储电容器; 以及用于控制驱动晶体管的栅电极的电压以补偿OLED的劣化的补偿单元。 所述补偿单元包括:所述OLED和第一电源之间的第一补偿单元晶体管和第二补偿单元晶体管; 第一和第二反馈电容器,位于第一和第二补偿单元晶体管之间的第二节点和驱动晶体管的栅电极与存储电容器之间的第一节点; 以及耦合在所述第一和第二反馈电容器之间的第三节点与参考电压源之间的第三补偿单元晶体管。
    • 25. 发明授权
    • Method for duplicating calls of remote multiple subscribers
    • 复制远程多用户呼叫的方法
    • US06320949B1
    • 2001-11-20
    • US09080680
    • 1998-05-18
    • Young-Hwi Kim
    • Young-Hwi Kim
    • H04M342
    • H04M3/12H04Q11/0457H04Q2213/13167H04Q2213/13205H04Q2213/13209H04Q2213/13224H04Q2213/13299
    • A method and apparatus for duplicating a call of a remote subscriber system having an active processor and a standby processor. The method includes the steps of: checking whether a call is generated from a subscriber under a normal duplication state of each of the active and standby processors; if the call is generated, transmitting a subscriber number and a voice channel number of a talk state to the standby processor; storing the subscriber number and voice channel number in a working area and connecting a port corresponding to the subscriber number and voice channel number to a time switch of the standby processor; if the call is not generated, checking whether the call is completed; and if the call is completed, transmitting a subscriber number and a voice channel number of a call release state to the standby processor and disconnecting the time switch from the port corresponding to the voice channel number and the subscriber number of the talk state.
    • 一种用于复制具有活动处理器和备用处理器的远程用户系统的呼叫的方法和装置。 该方法包括以下步骤:在活动和待机处理器的每个的正常复制状态下,检查是否从用户产生呼叫; 如果呼叫被产生,则向待机处理器发送用户号码和通话状态的语音信道号码; 将用户号码和语音信道号码存储在工作区域中,并将与用户号码和语音信道号码对应的端口连接到备用处理器的时间交换机; 如果未生成呼叫,则检查呼叫是否完成; 并且如果呼叫完成,则向备用处理器发送用户号码和呼叫释放状态的语音信道号码,并且从对应于语音信道号码和通话状态的用户号码的端口断开时间切换。
    • 28. 发明授权
    • Pixel and organic light emitting display using the same
    • 像素和有机发光显示器使用相同
    • US08937615B2
    • 2015-01-20
    • US12854050
    • 2010-08-10
    • Dong-Hwi Kim
    • Dong-Hwi Kim
    • G09G3/32
    • G09G3/3233G09G2300/043G09G2300/0819G09G2300/0852G09G2300/0861G09G2310/0262G09G2320/045
    • A pixel capable of compensating for the deterioration of an organic light emitting diode (OLED). The pixel includes an OLED coupled between first and second power sources, a pixel circuit including a driving transistor coupled between the first power source and the OLED and having a gate electrode coupled to a first node so that driving current corresponding to a voltage applied to the first node is supplied to the OLED, and a compensation circuit for controlling the voltage of the first node in accordance with deterioration of the OLED to compensate for the deterioration of the OLED. The compensation circuit includes first and second transistors coupled between the OLED and a third power source, first and second feedback capacitors coupled between the first node and a second node that is between the first transistor and the second transistor, and a third transistor coupled to the third power source.
    • 能够补偿有机发光二极管(OLED)劣化的像素。 像素包括耦合在第一和第二电源之间的OLED,像素电路,包括耦合在第一电源和OLED之间的驱动晶体管,并且具有耦合到第一节点的栅电极,使得对应于施加到 第一节点被提供给OLED,以及补偿电路,用于根据OLED的劣化来控制第一节点的电压以补偿OLED的劣化。 补偿电路包括耦合在OLED和第三电源之间的第一和第二晶体管,耦合在第一节点和位于第一晶体管和第二晶体管之间的第二节点之间的第一和第二反馈电容器,以及耦合到第二晶体管的第三晶体管 第三电源。