Backlight circuit for LCD panel
    3.
    发明授权
    Backlight circuit for LCD panel 有权
    LCD面板背光电路

    公开(公告)号:US07777425B2

    公开(公告)日:2010-08-17

    申请号:US11809046

    申请日:2007-05-30

    IPC分类号: H05B41/16

    CPC分类号: H05B41/245 G06F2200/1612

    摘要: A multi-lamp backlight system is disclosed. The multi-lamp backlight system includes a plurality of lamps, an inverter circuit and a current balance circuit. The inverter circuit is capable of converting a DC input signal to a pair of AC output signals, which have a 180 degree phase shift. The pair of AC output signals are delivered to the plurality of lamps. The current balance circuit is connected to the low voltage sides of the plurality of lamps for balancing the lamp currents.

    摘要翻译: 公开了一种多灯背光系统。 多灯背光系统包括多个灯,逆变器电路和电流平衡电路。 逆变器电路能够将DC输入信号转换成具有180度相移的一对AC输出信号。 一对交流输出信号被传送到多个灯。 电流平衡电路连接到多个灯的低电压侧,用于平衡灯电流。

    Chamber leakage detection by measurement of reflectivity of oxidized thin film
    4.
    发明授权
    Chamber leakage detection by measurement of reflectivity of oxidized thin film 失效
    通过测量氧化薄膜的反射率进行室内泄漏检测

    公开(公告)号:US06985222B2

    公开(公告)日:2006-01-10

    申请号:US10423379

    申请日:2003-04-25

    IPC分类号: G01N21/88

    摘要: A system and method for detecting chamber leakage by measuring the reflectivity of an oxidized thin film. In a preferred embodiment, a method of detecting leaks in a chamber includes providing a first monitor workpiece, placing the first monitor workpiece in the chamber, and forming at least one film on the first monitor workpiece. The reflectivity of the least one film of the first monitor workpiece is measured, wherein the reflectivity indicates whether there are leaks in the at least one seal of the chamber. In another embodiment, the method includes providing a second monitor workpiece, placing the second monitor workpiece in the chamber, and forming at least one film on the second monitor workpiece. The reflectivity of the at least one film of the second monitor workpiece is measured, and the second monitor workpiece film reflectivity is compared to the first monitor workpiece film reflectivity.

    摘要翻译: 通过测量氧化薄膜的反射率来检测室泄漏的系统和方法。 在优选实施例中,检测腔室泄漏的方法包括提供第一监测工件,将第一监测器工件放置在腔室中,以及在第一监测器工件上形成至少一个膜。 测量第一监视器工件的至少一个膜的反射率,其中反射率指示在室的至少一个密封件中是否有泄漏。 在另一个实施例中,该方法包括提供第二监视器工件,将第二监视器工件放置在腔室中,以及在第二监视器工件上形成至少一个膜。 测量第二监测工件的至少一个膜的反射率,并将第二监测工件膜反射率与第一监测工件膜反射率进行比较。

    Backlight circuit for LCD panel
    5.
    发明申请
    Backlight circuit for LCD panel 有权
    LCD面板背光电路

    公开(公告)号:US20080067951A1

    公开(公告)日:2008-03-20

    申请号:US11809046

    申请日:2007-05-30

    IPC分类号: H05B41/16 G06F3/038 G09G3/36

    CPC分类号: H05B41/245 G06F2200/1612

    摘要: A multi-lamp backlight system is disclosed. The multi-lamp backlight system includes a plurality of lamps, an inverter circuit and a current balance circuit. The inverter circuit is capable of converting a DC input signal to a pair of AC output signals, which have a 180 degree phase shift. The pair of AC output signals are delivered to the plurality of lamps. The current balance circuit is connected to the low voltage sides of the plurality of lamps for balancing the lamp currents.

    摘要翻译: 公开了一种多灯背光系统。 多灯背光系统包括多个灯,逆变器电路和电流平衡电路。 逆变器电路能够将DC输入信号转换成具有180度相移的一对AC输出信号。 一对交流输出信号被传送到多个灯。 电流平衡电路连接到多个灯的低电压侧,用于平衡灯电流。