OPTICAL SHUTTERED TOUCHSCREEN AND METHOD THEREFOR
    21.
    发明申请
    OPTICAL SHUTTERED TOUCHSCREEN AND METHOD THEREFOR 有权
    光学切换触摸屏及其方法

    公开(公告)号:US20080143689A1

    公开(公告)日:2008-06-19

    申请号:US11611970

    申请日:2006-12-18

    IPC分类号: G06F3/045 G06F3/041

    摘要: A touchscreen display system (418) is provided which includes a touchscreen (420), a touchscreen input detector (422), a capacitive sensor driver (423), and a display driver (424). The touchscreen input detector (422) is coupled to a first layer (504) of the touchscreen (420) and determines a touchscreen (420) input in response to sensing tactile inputs during a sensing time interval (610). The display driver (424) is coupled to a second layer (506) of the touchscreen (420) and provides a drive voltage (606, 608) at a first voltage level to the plurality of optical shutter segments (508) during a first portion (620) of the sensing time interval (610) and maintains the drive voltage (606, 608) at substantially zero volts during a second portion (622) of the sensing time interval (610), the second portion (622) being greater than half of the sensing time interval (610).

    摘要翻译: 提供了一种触摸屏显示系统(418),其包括触摸屏(420),触摸屏输入检测器(422),电容传感器驱动器(423)和显示驱动器(424)。 触摸屏输入检测器(422)耦合到触摸屏(420)的第一层(504),并且在感测时间间隔(610)期间响应于感测触觉输入而确定输入的触摸屏(420)。 显示驱动器(424)耦合到触摸屏(420)的第二层(506),并且在第一部分期间向多个光学快门段(508)提供处于第一电压电平的驱动电压(606,608) (620),并且在所述感测时间间隔(610)的第二部分(622)期间将所述驱动电压(606,608)维持在基本为零伏特,所述第二部分(622)大于 感测时间间隔的一半(610)。

    System and method for driving a liquid crystal display to reduce audible noise levels
    22.
    发明申请
    System and method for driving a liquid crystal display to reduce audible noise levels 审中-公开
    用于驱动液晶显示器以降低可听噪声水平的系统和方法

    公开(公告)号:US20080036720A1

    公开(公告)日:2008-02-14

    申请号:US11501982

    申请日:2006-08-09

    IPC分类号: G09G3/36

    摘要: A system and a method are provided for driving a liquid crystal display (LCD) (30) in manner to reduce audible noise therefrom. A video display system (18) includes a thin film transistor liquid crystal display panel (32) having a plurality of gate electrodes (56), a plurality of source electrodes (58), and a common electrode (62). A common electrode function generator (40) is provided to generate a voltage waveform to drive the common electrode at a plurality of frequencies.

    摘要翻译: 提供了一种系统和方法来驱动液晶显示器(LCD)(30),以便降低可听见的噪音。 视频显示系统(18)包括具有多个栅电极(56),多个源电极(58)和公共电极(62)的薄膜晶体管液晶显示面板(32)。 提供公共电极功能发生器(40)以产生以多个频率驱动公共电极的电压波形。

    Field emission display with temperature sensing element and method for
the operation thereof
    23.
    发明授权
    Field emission display with temperature sensing element and method for the operation thereof 失效
    具有温度感测元件的场发射显示器及其操作方法

    公开(公告)号:US5936354A

    公开(公告)日:1999-08-10

    申请号:US184457

    申请日:1998-11-02

    IPC分类号: G09G3/22 G09G3/10

    CPC分类号: G09G3/22 G09G2320/041

    摘要: A field emission display (100) includes a cathode plate (104) having a plurality of electron emitters (112) and ballast resistors (118), an anode plate (120) having an anode (124), and a temperature compensation circuit (130) having an input (142), an output (134), and a current output (138). Input (142) is connected to unregulated voltage (132), output (134) is connected to gate (116), and current output (138) is connected to temperature sensing element (148). Preferably, temperature sensing element (148) is mounted on cathode plate (104) and matches the temperature vs. resistance characteristics of ballast resistors (118). Temperature compensation circuit (130) outputs current (220) to temperature sensing element (148) and receives ballast voltage (230) from temperature sensing element (148) as a function of temperature of cathode plate (104). Temperature compensation circuit (130) outputs gate voltage (238) to adjust electron emission current (114), and subsequently brightness for variations in temperature.

    摘要翻译: 场发射显示器(100)包括具有多个电子发射器(112)和镇流电阻器(118)的阴极板(104),具有阳极(124)的阳极板(120)和温度补偿电路(130) )具有输入(142),输出(134)和电流输出(138)。 输入(142)连接到非稳压电压(132),输出(134)连接到门(116),电流输出(138)连接到温度检测元件(148)。 优选地,温度感测元件(148)安装在阴极板(104)上并且匹配镇流电阻器(118)的温度 - 电阻特性。 温度补偿电路(130)将电流(220)输出到温度感测元件(148),并且从温度感测元件(148)接收作为阴极板(104)的温度的函数的镇流器电压(230)。 温度补偿电路(130)输出栅极电压(238)以调节电子发射电流(114),随后输出温度变化的亮度。

    Electroluminescent laminate with thick film dielectric
    24.
    发明授权
    Electroluminescent laminate with thick film dielectric 失效
    具有厚膜电介质的电致发光层压板

    公开(公告)号:US5432015A

    公开(公告)日:1995-07-11

    申请号:US52702

    申请日:1993-04-30

    摘要: An improved dielectric layer of an electroluminescent laminate, and method of preparation are provided. The dielectric layer is formed as a thick layer from a ceramic material to provide:a dielectric strength greater than about 1.0.times.10.sup.6 V/m;a dielectric constant such that the ratio of the dielectric constant of the dielectric material to that of the phosphor layer is greater than about 50:1;a thickness such that the ratio of the thickness of the dielectric layer to that of the phosphor layer is in the range of about 20:1 to 500:1; anda surface adjacent the phosphor layer which is compatible with the phosphor layer and sufficiently smooth that the phosphor layer illuminates generally uniformly at a given excitation voltage.The invention also provides for electrical connection of an electroluminescent laminate to voltage driving circuity with through hole technology. The invention also extends to laser scribing the transparent conductor lines of an electroluminescent laminate.

    摘要翻译: 提供了电致发光层压板的改进的介电层及其制备方法。 介电层由陶瓷材料形成为厚层,以提供:大于约1.0×10 6 V / m 2的介电强度; 介电常数使得介电材料的介电常数与荧光体层的介电常数之比大于约50:1; 使得电介质层的厚度与荧光体层的厚度的比率在约20:1至500:1的范围内的厚度; 以及与荧光体层相容并且足够光滑的磷光体层的表面,使得荧光体层在给定的激发电压下大致均匀地照射。 本发明还提供电致发光层压板与通孔技术的电压驱动电路的电连接。 本发明还延伸到激光刻划电致发光层压板的透明导体线。