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    • 5. 发明申请
    • MODULATION OF COMMON VOLTAGE AND METHOD FOR CONTROLLING AMOLED PANEL
    • 普通电压调节及控制面板的方法
    • US20080088544A1
    • 2008-04-17
    • US11683443
    • 2007-03-08
    • Chi-Wen ChenMeng-Hsiang Chang
    • Chi-Wen ChenMeng-Hsiang Chang
    • G09G3/30
    • G09G3/3233G09G2320/048
    • A control circuit for use in an active matrix organic light emitting diode (AMOLED) panel comprising a memory unit and a voltage control unit is provided. The operating time of the AMOLED panel is counted and saved by the memory unit. According to the memory unit's information, the voltage control unit decides a common voltage. The purpose of the present invention is to reduce the common voltage when the turn-on time of the AMOLED panel is increased so that the increase in the voltage difference between the two terminals of an organic light emitting diode (OLED) of the AMOLED panel may be compensated. Thus, the present invention may provide a stable driving current for the OLED and a stable picture definition for the AMOLED panel.
    • 提供一种用于有源矩阵有机发光二极管(AMOLED)面板的控制电路,其包括存储单元和电压控制单元。 AMOLED面板的运行时间由存储单元计数并保存。 根据存储单元的信息,电压控制单元决定公共电压。 本发明的目的是当AMOLED面板的导通时间增加时降低公共电压,使得AMOLED面板的有机发光二极管(OLED)的两个端子之间的电压差的增加可以 得到补偿 因此,本发明可以为OLED提供稳定的驱动电流和AMOLED面板的稳定的图像定义。
    • 6. 发明申请
    • Pixel Unit, Method for Sensing Touch of an Object, and Display Apparatus Incorporating the Same
    • 像素单元,用于感测对象的触摸的方法,以及包含其的显示装置
    • US20090058831A1
    • 2009-03-05
    • US12119637
    • 2008-05-13
    • Chi-Wen ChenLi-Wei ShihMeng-Hsiang ChangChi-Mao HungChien-Jen ChenKun-Hua Tsai
    • Chi-Wen ChenLi-Wei ShihMeng-Hsiang ChangChi-Mao HungChien-Jen ChenKun-Hua Tsai
    • G06F3/045
    • G06F3/044G02F1/13338G06F3/0412
    • A pixel unit, method for sensing touch of an object, and a display apparatus incorporating the same are provided. The display apparatus includes a data line. The pixel unit includes a first switch circuit electrically connected to the data line and a sensing circuit electrically connected to the first switch circuit. The sensing circuit generates a signal in response to the touch of the object, while the signal is transmitted through the data line with the first switch circuit turned on. In addition, the display apparatus further includes a readout line. The pixel unit further includes a second switch circuit electrically connected to the readout line. The sensing circuit is electrically connected to the second switch circuit. In a first time period, the sensing circuit receives a reference voltage via the first switch circuit. Then the signal generated by the touch of the object is transmitted through the readout line via the second switch circuit in a second time period.
    • 提供了用于感测物体的触摸的像素单元,方法以及包括其的显示装置。 显示装置包括数据线。 像素单元包括电连接到数据线的第一开关电路和电连接到第一开关电路的感测电路。 感测电路响应于物体的触摸而产生信号,同时信号通过数据线传输,第一开关电路导通。 此外,显示装置还包括读出线。 像素单元还包括电连接到读出线的第二开关电路。 感测电路电连接到第二开关电路。 在第一时间段中,感测电路经由第一开关电路接收参考电压。 然后,通过第二开关电路在第二时间段内通过读出线传输由对象的触摸产生的信号。
    • 7. 发明授权
    • Pixel unit, method for sensing touch of an object, and display apparatus incorporating the same
    • 像素单元,用于感测物体的触摸的方法,以及包含该对象的显示装置
    • US09176629B2
    • 2015-11-03
    • US12119637
    • 2008-05-13
    • Chi-Wen ChenLi-Wei ShihMeng-Hsiang ChangChi-Mao HungChien-Jen ChenKun-Hua Tsai
    • Chi-Wen ChenLi-Wei ShihMeng-Hsiang ChangChi-Mao HungChien-Jen ChenKun-Hua Tsai
    • G06F3/045G06F3/044G06F3/041G02F1/1333
    • G06F3/044G02F1/13338G06F3/0412
    • A pixel unit, method for sensing touch of an object, and a display apparatus incorporating the same are provided. The display apparatus includes a data line. The pixel unit includes a first switch circuit electrically connected to the data line and a sensing circuit electrically connected to the first switch circuit. The sensing circuit generates a signal in response to the touch of the object, while the signal is transmitted through the data line with the first switch circuit turned on. In addition, the display apparatus further includes a readout line. The pixel unit further includes a second switch circuit electrically connected to the readout line. The sensing circuit is electrically connected to the second switch circuit. In a first time period, the sensing circuit receives a reference voltage via the first switch circuit. Then the signal generated by the touch of the object is transmitted through the readout line via the second switch circuit in a second time period.
    • 提供了用于感测物体的触摸的像素单元,方法以及包括其的显示装置。 显示装置包括数据线。 像素单元包括电连接到数据线的第一开关电路和电连接到第一开关电路的感测电路。 感测电路响应于物体的触摸而产生信号,同时信号通过数据线传输,第一开关电路导通。 此外,显示装置还包括读出线。 像素单元还包括电连接到读出线的第二开关电路。 感测电路电连接到第二开关电路。 在第一时间段中,感测电路经由第一开关电路接收参考电压。 然后,通过第二开关电路在第二时间段内通过读出线传输由对象的触摸产生的信号。
    • 8. 发明授权
    • Modulation of common voltage and method for controlling AMOLED panel
    • 普通电压调制及控制AMOLED面板的方法
    • US07812795B2
    • 2010-10-12
    • US11683443
    • 2007-03-08
    • Chi-Wen ChenMeng-Hsiang Chang
    • Chi-Wen ChenMeng-Hsiang Chang
    • G09G3/30
    • G09G3/3233G09G2320/048
    • A control circuit for use in an active matrix organic light emitting diode (AMOLED) panel comprising a memory unit and a voltage control unit is provided. The operating time of the AMOLED panel is counted and saved by the memory unit. According to the memory unit's information, the voltage control unit decides a common voltage. The purpose of the present invention is to reduce the common voltage when the turn-on time of the AMOLED panel is increased so that the increase in the voltage difference between the two terminals of an organic light emitting diode (OLED) of the AMOLED panel may be compensated. Thus, the present invention may provide a stable driving current for the OLED and a stable picture definition for the AMOLED panel.
    • 提供一种用于有源矩阵有机发光二极管(AMOLED)面板的控制电路,其包括存储单元和电压控制单元。 AMOLED面板的运行时间由存储单元计数并保存。 根据存储单元的信息,电压控制单元决定公共电压。 本发明的目的是当AMOLED面板的导通时间增加时降低公共电压,使得AMOLED面板的有机发光二极管(OLED)的两个端子之间的电压差的增加可以 得到补偿 因此,本发明可以为OLED提供稳定的驱动电流和AMOLED面板的稳定的图像定义。
    • 9. 发明授权
    • Drive circuit, display apparatus, and method for adjusting screen refresh rate
    • 驱动电路,显示装置和调整画面刷新率的方法
    • US07952543B2
    • 2011-05-31
    • US11926507
    • 2007-10-29
    • Meng-Hsiang ChangChi-Wen Chen
    • Meng-Hsiang ChangChi-Wen Chen
    • G09G3/30
    • G09G3/3208G09G2320/0257G09G2340/0435G09G2340/16G09G2360/16
    • A display apparatus and a drive circuit for adjusting a screen refresh rate of the display apparatus and a method thereof are disclosed. The display apparatus comprises an OLED diode display array and a drive circuit. The drive circuit comprises a detection unit, a clock generating unit, and a timing control unit. The detection unit determines whether a plurality of frames displayed by the OLED diode display array are configured as a dynamic frame. The detection unit generates a first control signal when the displayed frames are not configured as a dynamic frame, and the detection unit generates a second control signal when the displayed frames are configured as a dynamic frame. The clock generating unit generates a clock signal, the frequency of which is a first frequency in response to the first signal, or a second frequency in response to the second signal. The first frequency is greater than the second frequency. The timing control unit sets the screen refresh rate of the display apparatus in response to the frequency of the clock signal.
    • 公开了一种用于调整显示装置的画面刷新率的显示装置和驱动电路及其方法。 显示装置包括OLED二极管显示阵列和驱动电路。 驱动电路包括检测单元,时钟发生单元和定时控制单元。 检测单元确定由OLED二极管显示阵列显示的多个帧是否被配置为动态帧。 当所显示的帧未被配置为动态帧时,检测单元产生第一控制信号,并且当显示的帧被配置为动态帧时,检测单元生成第二控制信号。 时钟发生单元产生响应于第一信号的频率是第一频率的时钟信号或响应于第二信号的第二频率。 第一个频率大于第二个频率。 定时控制单元根据时钟信号的频率来设定显示装置的画面刷新率。
    • 10. 发明申请
    • Drive Circuit, Display Apparatus, and Method for Adjusting Screen Refresh Rate
    • 驱动电路,显示装置和调整画面刷新率的方法
    • US20080225062A1
    • 2008-09-18
    • US11926507
    • 2007-10-29
    • Meng-Hsiang ChangChi-Wen Chen
    • Meng-Hsiang ChangChi-Wen Chen
    • G09G5/10
    • G09G3/3208G09G2320/0257G09G2340/0435G09G2340/16G09G2360/16
    • A display apparatus and a drive circuit for adjusting a screen refresh rate of the display apparatus and a method thereof are disclosed. The display apparatus comprises an OLED diode display array and a drive circuit. The drive circuit comprises a detection unit, a clock generating unit, and a timing control unit. The detection unit determines whether a plurality of frames displayed by the OLED diode display array are configured as a dynamic frame. The detection unit generates a first control signal when the displayed frames are not configured as a dynamic frame, and the detection unit generates a second control signal when the displayed frames are configured as a dynamic frame. The clock generating unit generates a clock signal, the frequency of which is a first frequency in response to the first signal, or a second frequency in response to the second signal. The first frequency is greater than the second frequency. The timing control unit sets the screen refresh rate of the display apparatus in response to the frequency of the clock signal.
    • 公开了一种用于调整显示装置的画面刷新率的显示装置和驱动电路及其方法。 显示装置包括OLED二极管显示阵列和驱动电路。 驱动电路包括检测单元,时钟发生单元和定时控制单元。 检测单元确定由OLED二极管显示阵列显示的多个帧是否被配置为动态帧。 当所显示的帧未被配置为动态帧时,检测单元产生第一控制信号,并且当显示的帧被配置为动态帧时,检测单元生成第二控制信号。 时钟发生单元产生响应于第一信号的频率是第一频率的时钟信号或响应于第二信号的第二频率。 第一个频率大于第二个频率。 定时控制单元根据时钟信号的频率来设定显示装置的画面刷新率。