会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 2. 发明申请
    • LED BACKLIGHT AND LIQUID CRYSTAL DISPLAY DEVICE
    • LED背光和液晶显示装置
    • US20130027288A1
    • 2013-01-31
    • US13641751
    • 2011-02-04
    • Naoto InoueAkira TomiyoshiTomohiko Yamamoto
    • Naoto InoueAkira TomiyoshiTomohiko Yamamoto
    • G09G3/36
    • G02F1/133608G02F1/133603G02F2001/133628G02F2201/36
    • Disclosed are a direct-lit LED backlight, and a liquid crystal display device, provided with the backlight. In the LED backlight, heat generated by LEDs is easily dissipated, the number of the LEDs disposed is reduced, the temperature of the LEDs does not become too high, and reliability is improved by stabilizing light emission luminance and service life. The LED backlight (BL1) is provided with: an LED substrate (2), on which a plurality of the LEDs (1) are arranged in a row in the axis line direction; and a base (3), which has a substrate attaching surface (3a) for attaching the LED substrate. The base (3) is attached to a frame (10) such that the axis line direction is in the perpendicular direction, and a flow channel where air flows is provided in the perpendicular direction on the rear side of the substrate attaching surface (3a) of the base (3).
    • 公开了一种直接点燃的LED背光源和配备有背光源的液晶显示装置。 在LED背光中,由LED发出的热容易消散,LED的配置数量减少,LED的温度不会变得过高,并且通过稳定发光亮度和使用寿命来提高可靠性。 LED背光源(BL1)设置有:LED基板(2),多个LED(1)沿轴线方向排列成一列; 以及具有用于安装LED基板的基板安装面(3a)的基座(3)。 底座(3)安装在框架(10)上,使得轴线方向为垂直方向,并且在基板安装面(3a)的后侧沿垂直方向设置空气流动的流路, 的基座(3)。
    • 6. 发明授权
    • Display apparatus
    • 显示装置
    • US5614922A
    • 1997-03-25
    • US414717
    • 1995-03-31
    • Takafumi KawaguchiAkira TomiyoshiMakoto Takeda
    • Takafumi KawaguchiAkira TomiyoshiMakoto Takeda
    • G02F1/133G09G3/20G09G3/36
    • G09G3/2011G09G3/3648G09G3/3688G09G2310/027G09G2330/021G09G3/2018
    • The active matrix type display apparatus of this invention includes a display medium made of an electro-optical material; a pair of substrates opposing each other with the display medium interposed therebetween; a plurality of pixel electrodes formed in a matrix on one of the substrates; a plurality of row electrodes; a plurality of column electrodes; switching devices each of which is disposed so as to correspond to each of the pixel electrodes, connects the corresponding pixel electrode to the column electrode corresponding to the pixel electrode, and is connected to the row electrode corresponding to the pixel electrode through a control terminal thereof; a row electrode driving circuit for applying a voltage to each of the row electrodes so that the corresponding switching device become conductive only in a row electrode scanning term during a horizontal scanning term assigned to each of the row electrodes; a column electrode driving circuit for alternately applying two kinds of voltages to each of the column electrodes repeatedly at a duty ratio in accordance with a display data corresponding to each of the column electrodes; and voltage switching inhibition element for inhibiting switching of the voltages to be applied to each of the column electrodes by the column electrode driving circuit at least in part of a horizontal scanning term that is not assigned as the row electrode scanning term of any of the row electrodes.
    • 本发明的有源矩阵型显示装置包括由电光材料制成的显示介质; 一对基板彼此相对,介于其间的显示介质; 在一个基板上以矩阵形成的多个像素电极; 多个行电极; 多个列电极; 将与各像素电极对应配置的开关元件,将对应的像素电极与对应于像素电极的列电极相连接,并通过控制端子连接到与像素电极对应的行电极 ; 行电极驱动电路,用于向每个行电极施加电压,使得相应的开关器件在分配给每个行电极的水平扫描期间仅在行电极扫描期间变为导通; 列电极驱动电路,用于根据对应于每个列电极的显示数据以占空比重复地向每个列电极施加两种电压; 以及电压切换禁止元件,用于通过列电极驱动电路抑制对列电极施加的电压的切换,至少部分水平扫描项不被分配为行中的任一行的行电极扫描项 电极。
    • 9. 发明申请
    • LED Driver Circuit, Light Source Device, And LCD Device
    • LED驱动器电路,光源器件和LCD器件
    • US20120098462A1
    • 2012-04-26
    • US13379578
    • 2010-04-14
    • Naoto InoueAkira TomiyoshiTakeshi MasudaYuhsaku Ajichi
    • Naoto InoueAkira TomiyoshiTakeshi MasudaYuhsaku Ajichi
    • H05B37/02
    • H05B33/0815G09G3/3406H05B33/0851
    • An LED driver circuit which provides a cost reduction is provided by employing a circuit configuration which allows a size reduction. In at least one example embodiment, the LED driver circuit includes a first switching element, a second switching element, a sense resistor, a sensing unit, a calculator, and a driver. The plurality of LEDs, the first switching element, the second switching element, and the sense resistor are coupled to each other in series in this order. The sensing unit receives a voltage at a node between the second switching element and the sense resistor, and generates voltage data representing the voltage. The calculator calculates a temporal average of a current flowing through the LEDs based on the voltage data, and generates current data corresponding to the temporal average. The driver drives the first switching element and the second switching element based on the current data.
    • 通过采用允许尺寸减小的电路配置来提供降低成本的LED驱动器电路。 在至少一个示例实施例中,LED驱动器电路包括第一开关元件,第二开关元件,感测电阻器,感测单元,计算器和驱动器。 多个LED,第一开关元件,第二开关元件和检测电阻器按顺序相互耦合。 感测单元在第二开关元件和检测电阻之间的节点处接收电压,并产生表示电压的电压数据。 计算器基于电压数据计算流过LED的电流的时间平均,并且生成对应于时间平均的当前数据。 驱动器基于当前数据驱动第一开关元件和第二开关元件。