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    Active grating, three-dimensional display device and three-dimensional display method
    41.
    发明授权
    Active grating, three-dimensional display device and three-dimensional display method 有权

    公开(公告)号：US10200682B2

    公开(公告)日：2019-02-05

    申请号：US14773012

    申请日：2014-12-11

    Applicant: BOE TECHNOLOGY GROUP CO., LTD. ,  BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.

    Inventor： Zhiming Meng ,  Weihao Hu ,  Zhimin Ma

    IPC: H04N13/31 ,  G02B27/22 ,  G02F1/133 ,  H04N13/366 ,  H04N13/305 ,  G02F1/1343 ,  G02F1/155 ,  G02F1/29 ,  G02F1/163

    Abstract: An active grating, a three-dimensional display device and a three-dimensional display method are provided. The three-dimensional display device comprises: a display panel (1) and an active grating (2) disposed oppositely; a face recognition module, configured to acquire a distance from a current viewer to the active grating (2); a first calculating module, in signal connection with the face recognition module, configured to calculate a theoretical horizontal width of each of the light shielding regions (21) when the current viewer see an ideal 3D image at a current position, according to the distance acquired by the face recognition module and a first corresponding relationship between the distance from the current viewer to the active grating and the theoretical horizontal width of each of the light shielding region of the active grating when the current viewer see the ideal 3D image; and an adjusting module, in signal connection with the first calculating module and a driving circuit of the active grating respectively, configured to send a corresponding first control instruction to the driving circuit according to the theoretical horizontal width calculated by the first calculating module so as to adjust an actual horizontal width of each of the light shielding regions (21) of the active grating, so that the actual horizontal width equals to the theoretical horizontal width. The three-dimensional display device provided by embodiments of the invention can change the viewing region position according to position coordinates of the viewer, so that the ideal 3D image can be seen by the viewer not positioned at a fixed viewing region position, thus, improving practicality of the three-dimensional display device obviously.

    GATE DRIVING METHOD OF PIXEL TRANSISTOR AND GATE DRIVE CIRCUIT, AS WELL AS DISPLAY DEVICE
    46.
    发明申请
    GATE DRIVING METHOD OF PIXEL TRANSISTOR AND GATE DRIVE CIRCUIT, AS WELL AS DISPLAY DEVICE 审中-公开
    作为显示设备的像素晶体管和门驱动电路的门驱动方法

    公开(公告)号：US20170039979A1

    公开(公告)日：2017-02-09

    申请号：US14913295

    申请日：2015-07-30

    Applicant: Boe Technology Group Co., Ltd. ,  Beijing Boe Display Technology Co., Ltd.

    Inventor： Weihao Hu ,  Yanping Liao ,  Luqiang Guo ,  Wengang Su

    IPC: G09G3/36

    CPC classification number: G09G3/3696 ,  G09G3/36 ,  G09G3/3648 ,  G09G3/3674 ,  G09G2300/0809 ,  G09G2310/0251 ,  G09G2310/06 ,  G09G2320/0223 ,  G09G2320/0252

    Abstract: The present invention discloses a gate driving method of a pixel transistor and a gate drive circuit, as well as a display device including the gate drive circuit, which falls within the field of display technology. The method comprises the steps of: a gate drive circuit outputting a preset first voltage to a gate driving line of a pixel row prior to a transistor turn-on time of the pixel row, wherein the first voltage is greater than a transistor turn-off voltage; and the gate drive circuit outputting a transistor turn-on voltage to the gate driving line of the pixel row when it reaches the transistor turn-on time. Use of the present invention can improve the accuracy of pixel display.

    Abstract translation: 本发明公开了一种像素晶体管和栅极驱动电路的栅极驱动方法，以及包括栅极驱动电路的显示装置，其属于显示技术领域。 该方法包括以下步骤：栅极驱动电路，在像素行的晶体管导通时间之前，将预置的第一电压输出到像素行的栅极驱动线，其中第一电压大于晶体管关断 电压; 并且栅极驱动电路在晶体管导通时间向像素行的栅极驱动线路输出晶体管导通电压。 本发明的使用可以提高像素显示的精度。

    Boosting circuit, backlight driving circuit and backlight module
    47.
    发明授权
    Boosting circuit, backlight driving circuit and backlight module 有权
    升压电路，背光驱动电路和背光模组

    公开(公告)号：US09226360B2

    公开(公告)日：2015-12-29

    申请号：US14370187

    申请日：2013-03-29

    Applicant: BOE TECHNOLOGY GROUP CO., LTD. ,  BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.

    Inventor： Bin Zhang ,  Liang Zhang ,  Weihao Hu

    IPC: H02M3/155 ,  G09G3/34 ,  H05B33/08

    CPC classification number: H05B33/0851 ,  G09G3/34 ,  G09G2330/02 ,  H02M3/156 ,  H02M3/1563 ,  H05B33/0815 ,  H05B33/089

    Abstract: A boosting circuit, a backlight driving circuit and a backlight module are provided. The boosting circuit comprises a boosting chip (U1), an energy-storage inductor (L1), a freewheeling diode (D1), a first capacitor (C1), and a current mirror unit (U2), wherein an input terminal of an inputting branch of the current mirror unit (U2) IS connected with the cathode of the freewheeling diode (D1), and an output terminal of the inputting branch is connected with the signal input terminal (Vin) of the boosting circuit through a first resistor (R1), an input terminal of an outputting branch of the current mirror unit (U2) IS connected with the cathode of the freewheeling diode (D1), an output terminal of the outputting branch is grounded through a second resistor (R2), an ungrounded terminal of the second resistor (R2) is connected with a signal feedback pin of the boosting chip. The boosting circuit realizes the tracking of changes of the input voltage by the output voltage under the precondition that parameters of respective elements are unchanged, and achieves the effect that a voltage difference between the output voltage and the input voltage is fixed.

    Abstract translation: 提供升压电路，背光驱动电路和背光模块。 升压电路包括升压芯片（U1），储能电感器（L1），续流二极管（D1），第一电容器（C1）和电流镜单元（U2），其中输入端 电流镜单元（U2）的分支IS与续流二极管（D1）的阴极连接，输入支路的输出端通过第一电阻器（R1）与升压电路的信号输入端（Vin）连接 ），与续流二极管（D1）的阴极连接的电流镜单元（U2）的输出支路的输入端子，输出支路的输出端子通过第二电阻器（R2）接地，未接地端子 的第二电阻器（R2）与升压芯片的信号反馈引脚连接。 升压电路在各元件的参数不变的前提下，通过输出电压实现对输入电压变化的跟踪，并实现输出电压与输入电压之间的电压差固定的效果。

    SYNCHRONOUS DISPLAY METHOD OF SPLICED DISPLAY SCREEN, AND TIMING CONTROLLER AND SPLICED DISPLAY SCREEN USING THE SAME
    48.
    发明申请
    SYNCHRONOUS DISPLAY METHOD OF SPLICED DISPLAY SCREEN, AND TIMING CONTROLLER AND SPLICED DISPLAY SCREEN USING THE SAME 有权
    同步显示屏的同步显示方法及时序控制器及其使用的分屏显示屏幕

    公开(公告)号：US20150234631A1

    公开(公告)日：2015-08-20

    申请号：US14316182

    申请日：2014-06-26

    Applicant: BOE TECHNOLOGY GROUP CO., LTD. ,  BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.

    Inventor： Yangbing Yu ,  Weihao Hu ,  Yoon Dae Keun ,  Yanping Liao ,  Xibin Shao ,  Lei Liu ,  Zongze He

    IPC: G06F3/14 ,  G09G5/00 ,  G06T1/20 ,  G09G5/18

    CPC classification number: G06F3/1446 ,  G06F3/1438 ,  G06T1/20 ,  G09G5/003 ,  G09G5/008 ,  G09G5/12 ,  G09G5/18

    Abstract: The disclosure provides a synchronous display method of an spliced display screen which comprises at least two spliced display units and at least two timing controllers respectively corresponding to the spliced display units, wherein the method comprises steps of: receiving, by each timing controller, a timing control signal for a current frame of the corresponding spliced display unit, feedback from the spliced display unit corresponding to the timing controller; determining, by each timing controller, a phase difference between the timing control signal for the current frame of the corresponding spliced display unit and a reference timing control signal received by the timing controller; judging, by each timing controller, whether or not the phase difference goes beyond a predetermined threshold range; if it is judged that the phase difference goes beyond the predetermined threshold range, generating a phase adjustment value, by the timing controller, based on the phase difference, wherein the phase adjustment value is less than the phase difference; generating, by each timing controller, a next timing control signal for a next frame of the corresponding spliced display unit, based on the phase adjustment value, so that a next phase difference between the next timing control signal for the next frame and the reference timing control signal is the phase adjustment value; and outputting the next timing control signal for the next frame to the corresponding spliced display unit. Meanwhile, the disclosure also provides a timing controller used in this synchronous display method and a spliced display screen to which this synchronous display method is applied.

    Abstract translation: 本公开提供了拼接显示屏幕的同步显示方法，其包括分别对应于拼接显示单元的至少两个拼接显示单元和至少两个定时控制器，其中该方法包括以下步骤：由每个定时控制器接收定时 对应拼接显示单元的当前帧的控制信号，来自对应于定时控制器的拼接显示单元的反馈; 由每个定时控制器确定对应的拼接显示单元的当前帧的定时控制信号与由定时控制器接收的参考定时控制信号之间的相位差; 由每个定时控制器判断所述相位差是否超出预定阈值范围; 如果判断相位差超过预定阈值范围，则由定时控制器基于相位差产生相位调整值，其中相位调整值小于相位差; 根据相位调整值，由每个定时控制器产生下一个对应拼接显示单元的下一个帧的定时控制信号，使得下一帧的下一定时控制信号与基准定时 控制信号是相位调整值; 并将下一帧的下一个定时控制信号输出到相应的拼接显示单元。 同时，本公开还提供了在该同步显示方法中使用的定时控制器和应用该同步显示方法的拼接显示屏幕。

    THIN FILM TRANSISTOR ARRAY SUBSTRATE AND DRIVING METHOD THEREFOR AS WELL AS LIQUID CRYSTAL DISPLAY
    49.
    发明申请
    THIN FILM TRANSISTOR ARRAY SUBSTRATE AND DRIVING METHOD THEREFOR AS WELL AS LIQUID CRYSTAL DISPLAY 有权
    薄膜晶体管阵列基板和驱动方法，如液晶显示器

    公开(公告)号：US20140368480A1

    公开(公告)日：2014-12-18

    申请号：US14123669

    申请日：2012-12-03

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Bin Zhang ,  Liang Zhang ,  Weihao Hu

    IPC: H01L27/12 ,  G09G3/36 ,  G02F1/1362

    CPC classification number: H01L27/1255 ,  G02F1/136213 ,  G09G3/3648 ,  G09G3/3696 ,  G09G2300/0852 ,  G09G2320/10 ,  G09G2330/021 ,  G09G2340/0435

    Abstract: A thin film transistor array substrate, a driving method therefore, and a liquid crystal display are disclosed. The thin film transistor array substrate includes at least a sub-pixel region formed by a gate line and a data line intersected with each other, wherein, each sub-pixel comprises a first transistor (21) of which the gate is connected with a gate line and the drain is connected with a data line and a first storage capacitor (23) of which one end is connected with the source of the first transistor (21) and the other end is connected with an output of a reference voltage, the sub-pixel further comprises a second storage capacitor (24) and a second transistor (25), wherein one end of the second storage capacitor (24) is connected with the source of the first transistor (21), and the other end of the second storage capacitor (24) is connected with the drain of the second transistor (25); the source of the second transistor (25) is connected with the output of the reference voltage, and the gate of the second transistor (25) is connected with an output of an Enable signal. Since a second storage capacitor (24) is additionally added to each sub-pixel in the thin film transistor array substrate, the capacitance of the storage capacitors during static display is increased, the voltage conversion frequency during static display is deceased, and the system power consumption is decreased.

    Abstract translation: 公开了一种薄膜晶体管阵列基板，其驱动方法和液晶显示器。 所述薄膜晶体管阵列基板至少包括由栅极线和彼此相交的数据线形成的子像素区域，其中，每个子像素包括第一晶体管（21），栅极与栅极连接 线路和漏极与数据线连接，第一存储电容器（23）的一端与第一晶体管（21）的源极连接，另一端与参考电压的输出端相连，子 像素还包括第二存储电容器（24）和第二晶体管（25），其中第二存储电容器（24）的一端与第一晶体管（21）的源极连接，第二存储电容器的另一端 存储电容器（24）与第二晶体管（25）的漏极连接; 第二晶体管（25）的源极与参考电压的输出相连，第二晶体管（25）的栅极与使能信号的输出相连。 由于第二存储电容器（24）被附加到薄膜晶体管阵列基板中的每个子像素，所以静态显示期间的存储电容器的电容增加，静态显示期间的电压转换频率下降，系统功率 消费减少。

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