ENHANCING QUALITY OF ULTRASOUND SPATIAL COMPOUND IMAGE BASED ON BEAM PROFILE IN ULTRASOUND SYSTEM
    2.
    发明申请
    ENHANCING QUALITY OF ULTRASOUND SPATIAL COMPOUND IMAGE BASED ON BEAM PROFILE IN ULTRASOUND SYSTEM 有权
    超声波系统中超声波空间复合图像质量的提高

    公开(公告)号:US20120114209A1

    公开(公告)日:2012-05-10

    申请号:US13290668

    申请日:2011-11-07

    IPC分类号: A61B8/00 G06K9/00

    摘要: There are provided embodiments for enhancing the quality of an ultrasound spatial compound image based on a beam profile in an ultrasound system. In one embodiment, an ultrasound system comprises: an ultrasound data acquisition unit configured to acquire ultrasound data for obtaining a plurality of ultrasound images corresponding to a plurality of steering angles; a storage unit for storing at least one beam profile indicating a spreading degree of an ultrasound beam according to depth based on at least one focusing point; and a processing unit configured to set an amount of blurring corresponding to spreading of the ultrasound beam according to the depth based on the at least one beam profile, and perform a filtering process for compensating the blurring by the spreading of the ultrasound beam based on the ultrasound data and the amount of blurring to form an ultrasound spatial compound image.

    摘要翻译: 提供了用于基于超声系统中的束轮廓来增强超声空间复合图像的质量的实施例。 在一个实施例中,超声系统包括:超声数据获取单元,被配置为获取超声数据,以获得对应于多个转向角的多个超声图像; 存储单元,用于基于至少一个聚焦点存储指示根据深度的超声波束的扩展程度的至少一个光束轮廓; 以及处理单元,被配置为基于所述至少一个波束轮廓来根据所述深度来设置与所述超声波束的扩展相对应的模糊量,并且基于所述至少一个波束轮廓来执行用于通过所述超声波束的扩展来补偿所述模糊的滤波处理 超声数据和模糊量形成超声空间复合图像。

    BACKLIGHT INVERTER AND LIQUID CRYSTAL DISPLAY USING THE SAME
    3.
    发明申请
    BACKLIGHT INVERTER AND LIQUID CRYSTAL DISPLAY USING THE SAME 有权
    背光逆变器和使用其的液晶显示器

    公开(公告)号:US20080258645A1

    公开(公告)日:2008-10-23

    申请号:US12058952

    申请日:2008-03-31

    IPC分类号: H05B41/16

    摘要: A backlight inverter includes a transformer boosting an input voltage at a ratio of a primary winding to a secondary winding of the transformer and outputting a first voltage and a second voltage; a protection level signal generator causing a phase delay between the first voltage and the second voltage, and generating a protection level signal, the protection level signal being a sum of the phase reversed first voltage and the second voltage; and an arc state detector comparing the protection level signal with a reference voltage and generating a detection signal; and a diving controller maintaining or stopping a supplying of an input voltage to the transformer in response to the detection signal, wherein in addition to the phase delay, another phase delay is caused by an open circuit in the transformer, so that a maximum value of the protection level signal is larger than the reference voltage and the input voltage is stopped.

    摘要翻译: 背光源逆变器包括:变压器,其以初级绕组与变压器的次级绕组的比率升高输入电压,并输出第一电压和第二电压; 保护电平信号发生器,其引起所述第一电压和所述第二电压之间的相位延迟,并且产生保护电平信号,所述保护电平信号是相位反转的第一电压和所述第二电压的和; 以及电弧状态检测器,将保护电平信号与参考电压进行比较并产生检测信号; 以及潜水控制器,其响应于所述检测信号而保持或停止向所述变压器提供输入电压,其中除了所述相位延迟之外,另一相位延迟是由所述变压器中的开路引起的, 保护电平信号大于参考电压,输入电压停止。

    Inverter, Backlight Assembly Having the Same and Display Apparatus Having the Same
    4.
    发明申请
    Inverter, Backlight Assembly Having the Same and Display Apparatus Having the Same 有权
    逆变器,具有相同功能的背光组件和具有相同功能的显示装置

    公开(公告)号:US20080238333A1

    公开(公告)日:2008-10-02

    申请号:US12047418

    申请日:2008-03-13

    IPC分类号: H05B41/26 H02H7/122 H02M7/44

    CPC分类号: H05B41/2828 Y02B20/186

    摘要: A display apparatus includes a display panel and a backlight assembly including a lamp and an inverter. The inverter includes a main transformer, a main driver and a voltage controller. The main transformer applies a driving alternating current (AC) voltage to the lamp. The main driver generates an output signal controlling the main transformer based on a feedback signal from the main transformer. The voltage controller is electrically connected to a feedback terminal of the main driver to control a maximum level of a voltage applied to the feedback terminal.

    摘要翻译: 显示装置包括显示面板和包括灯和逆变器的背光组件。 逆变器包括主变压器,主驱动器和电压控制器。 主变压器向灯施加驱动交流(AC)电压。 主驱动器根据主变压器的反馈信号产生控制主变压器的输出信号。 电压控制器电连接到主驱动器的反馈端,以控制施加到反馈端的电压的最大电平。

    METHOD FOR DETECTING LAMP CURRENT AND LAMP DRIVING CIRCUIT USING THE METHOD FOR DETECTING THE LAMP CURRENT
    5.
    发明申请
    METHOD FOR DETECTING LAMP CURRENT AND LAMP DRIVING CIRCUIT USING THE METHOD FOR DETECTING THE LAMP CURRENT 失效
    使用检测灯电流的方法检测灯电流和灯驱动电路的方法

    公开(公告)号:US20080024073A1

    公开(公告)日:2008-01-31

    申请号:US11777450

    申请日:2007-07-13

    IPC分类号: H05B41/16

    CPC分类号: H05B41/2851 H05B41/2855

    摘要: A lamp driving circuit includes: a voltage supply part including a first voltage supply part and a second voltage supply part; a first circuit part including a first terminal, a second terminal and a first coil; a second circuit part including a second coil electromagnetically coupled to the first coil and which supplies a voltage to a lamp; and an electric current detecting part which detects an electric current of the first coil and includes a detecting resistor and an electric current detector.

    摘要翻译: 灯驱动电路包括:电压供给部,包括第一电压供给部和第二电压供给部; 包括第一端子,第二端子和第一线圈的第一电路部件; 第二电路部分,包括电磁耦合到所述第一线圈并向灯提供电压的第二线圈; 以及检测第一线圈的电流并且包括检测电阻器和电流检测器的电流检测部。

    Apparatus for driving lamp and liquid crystal display device having the same

    公开(公告)号:US20060050048A1

    公开(公告)日:2006-03-09

    申请号:US11217006

    申请日:2005-08-31

    IPC分类号: G09G3/36

    摘要: Disclosed is a liquid crystal display device having a lamp driving apparatus for preventing lamps from being damaged due to electric current variation among the lamps. A DC/DC converter converts an externally provided DC voltage input into a converted DC voltage signal having a predetermined voltage level. A DC/AC inverter inverts the converted DC voltage signal into an AC voltage signal to supply the inverted AC voltage signal to an input terminal of a lamp. A power controller detects electric current flowing the lamp at an output terminal of the lamp to control the level of the inverted AC voltage signal output from the DC/AC inverter and bypasses a part of electric current applied to the input terminal of the lamp when a level of the detected electric current is higher than a predetermined threshold value. Therefore, when the level of the electric current flowing through the lamp exceeds the predetermined threshold value, the power controller bypasses the part of the electric current supplied to the lamp to the ground, thereby decreasing the amount of the electric current supplied to the lamp and preventing the lamp from being damaged.

    LIGHT SOURCE UNIT, LIQUID CRYSTAL DISPLAY HAVING THE SAME, AND METHOD THEREOF
    8.
    发明申请
    LIGHT SOURCE UNIT, LIQUID CRYSTAL DISPLAY HAVING THE SAME, AND METHOD THEREOF 有权
    光源单元,具有该液晶单元的液晶显示器及其方法

    公开(公告)号:US20080198299A1

    公开(公告)日:2008-08-21

    申请号:US12025847

    申请日:2008-02-05

    摘要: A light source unit which can minimize current differences between a plurality of light emitting diodes (“LEDs”) includes a printed circuit board (“PCB”) which includes an active region that emits light and an inactive region that accounts for a remainder of the PCB, an LED array which includes a plurality of LEDs that are arranged at regular intervals, and a current balancing circuit which is disposed in the inactive region, generates a plurality of current balancing voltages by uniformly adjusting current differences between the LEDs, and outputs the current balancing voltages. A liquid crystal display (“LCD”) including the light source unit, and a method of minimizing current differences between a plurality of LEDs are further provided.

    摘要翻译: 可以最小化多个发光二极管(“LED”)之间的电流差异的光源单元包括印刷电路板(“PCB”),其包括发射光的有源区域和占据其余部分的非活动区域 PCB,包括以规则间隔布置的多个LED的LED阵列和设置在非活动区域中的电流平衡电路,通过均匀调整LED之间的电流差产生多个电流平衡电压,并输出 电流平衡电压。 还提供了包括光源单元的液晶显示器(“LCD”)以及使多个LED之间的电流差最小化的方法。

    Liquid crystal display
    9.
    发明授权
    Liquid crystal display 有权
    液晶显示器

    公开(公告)号:US07324077B2

    公开(公告)日:2008-01-29

    申请号:US10521731

    申请日:2002-09-18

    IPC分类号: G09G3/36

    摘要: The present invention relates to a method of controlling luminance of a backlight based on a processed image data after receiving information of image data, in order to improve the visibility of moving picture. An inverter according to the present invention includes a first block generating a first luminance control signal with an analog value depending on the luminance control signal with a duty ratio depending on a synchronization signal. The luminance control signals generated by the respective blocks are synthesized luminance control signal. Accordingly, a liquid crystal display employing two backlight control methods can be provided. Thus, it is possible to remove the drag phenomenon of a screen and, at the same time, to improve the visibility for moving picture.

    摘要翻译: 本发明涉及一种在接收到图像数据的信息之后基于经处理的图像数据控制背光的亮度的方法,以便提高运动图像的可视性。 根据本发明的逆变器包括:第一块,其根据具有取决于同步信号的占空比的亮度控制信号产生具有模拟值的第一亮度控制信号。 由各个块产生的亮度控制信号是合成亮度控制信号。 因此,可以提供采用两种背光控制方法的液晶显示器。 因此,可以消除屏幕的拖动现象,并且同时提高运动图像的可视性。

    Apparatus for supplying power and liquid crystal display having the same
    10.
    发明授权
    Apparatus for supplying power and liquid crystal display having the same 有权
    用于供电的装置和具有该装置的液晶显示器

    公开(公告)号:US07319600B2

    公开(公告)日:2008-01-15

    申请号:US10479814

    申请日:2002-06-10

    IPC分类号: H02M3/335 H02M5/40

    摘要: Disclosed are a power supplying apparatus and a LCD having the same that reduces manufacturing cost of a large-scale LCD module and enhances powpower efficiency by integrating an external dc power supply used in a large-scale LCD panel into a LCD panel. A first voltage converter converts an external ac voltage into a first dc voltage, and changes a voltage level of the first de voltage into a second dc voltage having a highr voltage level than that of the first de voltage. A second voltage converter converts the second dc voltage into an ac voltage, raises a voltage level of the converted ac voltage, and provides the raised ac voltage to a load. A current detector detects a current flowing through the load, and provides a current detection signal as a feedback signal to the first voltage converter so that the first voltage provide a constant direct current output voltage.

    摘要翻译: 本发明公开了一种通过将大型LCD面板中使用的外部直流电源集成到LCD面板中而降低大型LCD模块的制造成本并提高功率效率的电力供给装置和LCD。 第一电压转换器将外部交流电压转换为第一直流电压,并将第一电压的电压电平改变为具有比第一电压高的电压电平的第二直流电压。 第二电压转换器将第二直流电压转换为交流电压,提高转换交流电压的电压电平,并将升高的交流电压提供给负载。 电流检测器检测流过负载的电流,并将电流检测信号作为反馈信号提供给第一电压转换器,使得第一电压提供恒定的直流输出电压。