DISPLAY APPARATUS AND DRIVING DEVICE FOR DISPLAYING
    1.
    发明申请
    DISPLAY APPARATUS AND DRIVING DEVICE FOR DISPLAYING 有权
    显示装置和驱动装置用于显示

    公开(公告)号:US20070257942A1

    公开(公告)日:2007-11-08

    申请号:US11776158

    申请日:2007-07-11

    IPC分类号: G09G5/10

    摘要: A generation circuit generates gray scale voltages having a plurality of levels for positive polarity and gray scale voltages having a plurality of levels for negative polarity; wherein said generation circuit, in the mode in which the number of colors to be displayed on a display panel is small, decreases a current flowing into an internal circuit which generates a gray scale voltage of an intermediate level other than two gray scale voltages of a gray scale voltage of the most lowest level and a gray scale voltage of the most highest level among the gray scale voltages of said plurality of levels, in comparison to a current flowing in the other mode; and wherein said selection circuit, in the mode in which the number of colors to be displayed on said display panel is small, selects said gray scale voltage according to said display data, from the two gray scale voltages of said most lowest level gray scale voltage and said most highest level gray scale voltage which are generated from said generation circuit.

    摘要翻译: 一代电路产生具有多个电平的灰度级电压,所述多个电平具有用于负极性的多个电平的正极性和灰度级电压; 其中所述产生电路在显示面板上要显示的颜色数量小的模式中,减少流入内部电路的电流,该内部电路产生除了两个灰度级电压之外的中间电平的灰度电压 与在另一模式中流动的电流相比,最低电平的灰度电压和所述多个电平的灰度级电压中最高电平的灰度级电压; 并且其中所述选择电路在要显示在所述显示面板上的颜色数量小的模式中,根据所述显示数据从所述最低级灰度级电压的两个灰度级电压中选择所述灰度级电压 并且表示从所述发电电路产生的最高等级的灰度级电压。

    Display apparatus and driving device for displaying
    2.
    发明授权
    Display apparatus and driving device for displaying 有权
    用于显示的显示装置和驱动装置

    公开(公告)号:US06781605B2

    公开(公告)日:2004-08-24

    申请号:US10161638

    申请日:2002-06-05

    IPC分类号: G09G510

    摘要: A reference voltage generating circuit which generates reference voltages at a plurality of levels, a voltage follower circuit for stabilizing the reference voltages at a plurality of levels and a gray scale voltage generating circuit which generates gray scale voltages at a plurality of levels from the stabilized reference voltages are provided. The voltage follower circuit includes a differential amplifier which receives at one input the reference voltages, first and second buffer circuits connected in parallel to each other, and a resistor. Outputs of the first and second buffer circuits are connected to each other through the resistor, with the output of the first buffer circuit being fed back to the other input of the differential amplifier and the output of the second buffer circuit being connected to serve as an output of the voltage follower circuit.

    摘要翻译: 产生多个电平的参考电压的参考电压产生电路,用于稳定多个电平的参考电压的电压跟随器电路和产生来自稳定基准的多个电平的灰度电压的灰度电压产生电路 提供电压。 电压跟随器电路包括差分放大器,其在一个输入端接收参考电压,彼此并联连接的第一和第二缓冲电路以及电阻器。 第一和第二缓冲电路的输出通过电阻相互连接,第一缓冲电路的输出被反馈到差分放大器的另一个输入,第二缓冲电路的输出连接起来作为 输出电压跟随电路。

    Display apparatus and driving device for displaying
    3.
    发明授权
    Display apparatus and driving device for displaying 有权
    用于显示的显示装置和驱动装置

    公开(公告)号:US07227560B2

    公开(公告)日:2007-06-05

    申请号:US11157063

    申请日:2005-06-21

    IPC分类号: G09G5/10

    摘要: A display drive circuit for outputting a gray scale voltage according to display data includes a generation circuit generating gray scale voltages of a plurality of levels, and a selection circuit which selects a gray scale voltage according to the display data. When the number of colors to be displayed is small, the generation circuit decreases a current flowing into an internal circuit which generates a gray scale voltage of an intermediate level other than two gray scale voltages of a gray scale voltage of the most lowest level and a gray scale voltage of the most highest level among the gray scale voltages of the plurality of levels, and the selection circuit selects the gray scale voltage according to the display data from the most lowest level gray scale voltage and the most highest level gray scale voltage which are generated.

    摘要翻译: 用于根据显示数据输出灰度级电压的显示驱动电路包括产生多个电平的灰度级电压的产生电路和根据显示数据选择灰度级电压的选择电路。 当要显示的颜色数量小时,生成电路减少流入内部电路的电流,该内部电路生成除了最低级别的灰度级电压的两个灰度级电压之外的中间电平的灰度级电压,以及 多个电平的灰度级电压中最高电平的灰度级电压,并且选择电路根据最低电平灰度级电压和最高电平灰度级电压的显示数据选择灰度级电压,其中 被生成。

    Display apparatus and power supply device for displaying
    7.
    发明申请
    Display apparatus and power supply device for displaying 审中-公开
    用于显示的显示装置和电源装置

    公开(公告)号:US20060007095A1

    公开(公告)日:2006-01-12

    申请号:US11223049

    申请日:2005-09-12

    IPC分类号: G09G3/36

    摘要: A display apparatus comprising: a display panel; a data driver for outputting a gray scale voltage corresponding to display data to said display panel via a data line; a gate driver for outputting a gate-on voltage and a gate-off voltage to said display panel via a scan line; and a power supply circuit for outputting a power supply voltage (DDVDH) for driving of said data driver, a reference voltage (VDH) for said gray scale voltage, said gate-on voltage (VGH), said gate-off voltage (Vgoff), and a common voltage (Vcom) for a common electrode of said display panel, wherein said common voltage includes a common voltage (VcomH) of high level and a common voltage (VcomL) of low level, said gate-off voltage includes a gate-off voltage (VgoffH) of high level and a gate-off voltage (VgoffL) of low level, and said power supply circuit includes: a first circuit for generating said power supply voltage; a second circuit for generating said gate-on voltage; a third circuit for generating said reference voltage; a fourth circuit for receiving said reference voltage and generating said common voltage of high level from said reference voltage; a fifth circuit for receiving said common voltage of high level and generating said common voltage of low level from said common voltage of high level; a sixth circuit for switching between said common voltage of high level and said common voltage of low level to output any one of said common voltages; a seventh circuit for generating said gate-off voltage of low level; an eighth circuit for receiving said gate-off voltage of low level and generating said gate-off voltage of high level from said gate-off voltage of low level; and an ninth circuit for switching between said gate-off voltage of high level and said gate-off voltage of low level to output any one of said gate-off voltages.

    摘要翻译: 一种显示装置,包括:显示面板; 数据驱动器,用于经由数据线将对应于显示数据的灰度电压输出到所述显示面板; 栅极驱动器,用于经由扫描线向所述显示面板输出栅极导通电压和栅极截止电压; 以及电源电路,用于输出用于驱动所述数据驱动器的电源电压(DDVDH),用于所述灰度级电压的参考电压(VDH),所述栅极导通电压(VGH),所述栅极截止电压(Vgoff) 以及用于所述显示面板的公共电极的公共电压(Vcom),其中所述公共电压包括高电平的公共电压(VcomH)和低电平的公共电压(VcomL),所述栅极截止电压包括栅极 高电平的低电压(VgoffH)和低电平的栅极截止电压(VgoffL),所述电源电路包括:用于产生所述电源电压的第一电路; 用于产生所述栅极导通电压的第二电路; 用于产生所述参考电压的第三电路; 用于接收所述参考电压并从所述参考电压产生高电平的所述公共电压的第四电路; 用于接收所述高电平的公共电压并从所述高电平的公共电压产生低电平的所述公共电压的第五电路; 用于在所述高电平的公共电压和所述低电平的所述公共电压之间切换以输出所述公共电压中的任何一个的第六电路; 用于产生低电平的所述栅极截止电压的第七电路; 用于接收低电平的所述栅极截止电压并从所述低电平的栅极截止电压产生高电平的所述栅极截止电压的第八电路; 以及用于在所述高电平的栅极截止电压和所述低电平的栅极截止电压之间切换以输出所述栅极截止电压中的任何一个的第九电路。

    Display apparatus and driving device for displaying
    8.
    发明申请
    Display apparatus and driving device for displaying 有权
    用于显示的显示装置和驱动装置

    公开(公告)号:US20060125763A1

    公开(公告)日:2006-06-15

    申请号:US11339673

    申请日:2006-01-26

    IPC分类号: G09G3/36

    摘要: A display apparatus for displaying display data, including: a first driver applying a gray scale voltage to first lines in response to display data; and a second driver applying a selection voltage to second lines in a case of selecting a line of a pixel and a non-selecting voltage to the second lines in a case of not selecting a line of a pixel, wherein the second driver in turn applies the selection voltage to each line of the second lines, wherein said second driver applies the selection voltage once per line to the second lines in one frame period, wherein the second driver applies the selection voltage to one line of the second lines in a first period of one horizontal scanning period and applies the non-selecting voltage to the same one line of the second lines in a second period of the same one horizontal scanning period.

    摘要翻译: 一种用于显示显示数据的显示装置,包括:响应于显示数据向第一行施加灰度电压的第一驱动器; 以及在不选择像素的行的情况下,在选择像素的行和非选择电压的情况下,向第二行施加选择电压的第二驱动器,其中所述第二驱动器依次应用 所述第二线路的每条线路的选择电压,其中所述第二驱动器在一个帧周期中向所述第二线路施加每行一次的选择电压,其中所述第二驱动器在第一周期中将所述选择电压施加到所述第二线路的一行 在一个水平扫描周期的第二周期中将非选择电压施加到第二行的相同的一行。

    Display apparatus and power supply device for displaying
    9.
    发明授权
    Display apparatus and power supply device for displaying 有权
    用于显示的显示装置和电源装置

    公开(公告)号:US06762565B2

    公开(公告)日:2004-07-13

    申请号:US10161736

    申请日:2002-06-05

    IPC分类号: G09G310

    摘要: A power supply device for displaying includes a set register for setting an amplitude and voltage level of a driving voltage for a common electrode and an amplitude and voltage level of a non-selecting period voltage for a scan line, an amplitude reference generating circuit for generating an amplitude reference voltage for the driving voltage of the common electrode and for the non-selecting period voltage of the scan line according to a set value, a VcomH reference generating circuit and a VcomL generating circuit for A.C. driving the common electrode with an amplitude and voltage level determined by the amplitude reference voltage and set value, a VgoffH generating circuit and a VgoffL reference generating circuit for generating the non-selecting period voltage of the scan line with an amplitude and voltage level determined by the amplitude reference voltage and set value.

    摘要翻译: 用于显示的电源装置包括用于设置公共电极的驱动电压的幅度和电压电平的设置寄存器和用于扫描线的非选择周期电压的幅度和电压电平,用于产生扫描线的幅度参考产生电路 用于根据设定值的公共电极的驱动电压和扫描线的非选择周期电压的幅度参考电压,用于AC驱动公共电极的VcomH基准产生电路和VcomL产生电路, VgoffH产生电路和VgoffL参考产生电路,用于产生由幅度参考电压和设定值确定的幅度和电压电平的扫描线的非选择周期电压。

    Display apparatus and driving device for displaying
    10.
    发明授权
    Display apparatus and driving device for displaying 有权
    用于显示的显示装置和驱动装置

    公开(公告)号:US07898555B2

    公开(公告)日:2011-03-01

    申请号:US11776158

    申请日:2007-07-11

    IPC分类号: G09G5/10

    摘要: A generation circuit generates gray scale voltages having a plurality of levels for positive polarity and gray scale voltages having a plurality of levels for negative polarity; wherein said generation circuit, in the mode in which the number of colors to be displayed on a display panel is small, decreases a current flowing into an internal circuit which generates a gray scale voltage of an intermediate level other than two gray scale voltages of a gray scale voltage of the most lowest level and a gray scale voltage of the most highest level among the gray scale voltages of said plurality of levels, in comparison to a current flowing in the other mode; and wherein said selection circuit, in the mode in which the number of colors to be displayed on said display panel is small, selects said gray scale voltage according to said display data, from the two gray scale voltages of said most lowest level gray scale voltage and said most highest level gray scale voltage which are generated from said generation circuit.

    摘要翻译: 一代电路产生具有多个电平的灰度级电压,所述多个电平具有用于负极性的多个电平的正极性和灰度级电压; 其中所述产生电路在显示面板上要显示的颜色数量小的模式中,减少流入内部电路的电流,该内部电路产生除了两个灰度级电压之外的中间电平的灰度电压 与在另一模式中流动的电流相比,最低电平的灰度电压和所述多个电平的灰度级电压中最高电平的灰度级电压; 并且其中所述选择电路在要显示在所述显示面板上的颜色数量小的模式中,根据所述显示数据从所述最低级灰度级电压的两个灰度级电压中选择所述灰度级电压 并且表示从所述发电电路产生的最高等级的灰度级电压。