公开(公告)号：US10068526B2

公开(公告)日：2018-09-04

申请号：US15102993

申请日：2015-10-23

Applicant: BOE TECHNOLOGY GROUP CO., LTD. ,  HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.

Inventor： Pan Xu ,  Zhongyuan Wu ,  Yuting Zhang ,  Yongqian Li

IPC: G09G5/10 ,  G09G3/36 ,  G06F3/038 ,  G09G5/00 ,  G09G3/3258 ,  G09G3/3241

Abstract: There are disclosed a pixel circuit and a driving method of the same and a display apparatus. The pixel circuit comprises: a driving transistor (Tr), a storage capacitor (Cs), a data writing module (10), a light-emitting element (20) and a predetermined voltage writing module (30). A first terminal of the storage capacitor (Cs) is connected to a gate of the driving transistor (Tr) and a second terminal thereof is connected to a second electrode of the driving transistor (Tr). The predetermined voltage writing module (30) is configured to make the second electrode of the driving transistor (Tr) reach a predetermined potential in a pre-charging phase and a compensating phase; and the data writing module (10) is configured to store a data voltage of a data line into the storage capacitor (Cs) in the compensating phase. In the pixel circuit and the driving method thereof and the display apparatus, the driving current is not affected by the threshold voltage, and influence of the voltage across the light-emitting element on the driving current is eliminated, thereby the uniformity of luminance of the light-emitting element is raised and improving the display effect of the display apparatus is improved.

公开(公告)号：US09316870B2

公开(公告)日：2016-04-19

申请号：US14049372

申请日：2013-10-09

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yuting Zhang ,  Jing Lv ,  Zheng Fang

IPC: G02F1/1339 ,  G02F1/1333 ,  G02F1/1335 ,  G02F1/1343 ,  G02F1/1368 ,  H01L27/12 ,  G02F1/1345 ,  G02F1/1362

CPC classification number: G02F1/1339 ,  G02F1/133345 ,  G02F1/133512 ,  G02F1/133514 ,  G02F1/13439 ,  G02F1/13458 ,  G02F1/136227 ,  G02F1/136286 ,  G02F1/1368 ,  G02F2001/136231 ,  G02F2201/50 ,  H01L27/1259

Abstract: Embodiments of the present invention provide a liquid crystal display device and a manufacturing method thereof. The device comprises: an upper substrate, comprising: substrate; a color filter and a black matrix, formed on a surface of the substrate facing a lower substrate in the same layer; a lower substrate, cell-assembled with the upper substrate and comprising: a base substrate; a gate metal bus, a gate insulating layer, a source/drain metal bus and a first insulating protection layer, which are formed on the base substrate sequentially; a transparent electrode, formed on the first insulating protection layer; and a second insulating protection layer, covering the transparent electrode; and a seal agent, provided at a periphery of a display area of the liquid crystal display device, wherein an upper portion of the seal agent is attached to the substrate and a lower portion thereof is attached to the second insulating protection layer.

Abstract translation: 本发明的实施例提供一种液晶显示装置及其制造方法。 该装置包括：上基板，包括：基板; 彩色滤光器和黑色矩阵，形成在面向相同层中的下基板的基板的表面上; 下基板，与上基板电池组装，并包括：基底; 栅极金属母线，栅极绝缘层，源极/漏极金属母线和第一绝缘保护层，依次形成在基底基板上; 形成在第一绝缘保护层上的透明电极; 和覆盖透明电极的第二绝缘保护层; 以及密封剂，设置在所述液晶显示装置的显示区域的周围，其中，所述密封剂的上部附着到所述基板，并且其下部附接到所述第二绝缘保护层。

公开(公告)号：US20150379928A1

公开(公告)日：2015-12-31

申请号：US14417456

申请日：2014-06-30

Applicant: BOE Technology Group Co., Ltd. ,  HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.

Inventor： Yuting Zhang

IPC: G09G3/32

CPC classification number: G09G3/3233 ,  G09G3/3225 ,  G09G3/3266 ,  G09G2300/0809 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/0251 ,  G09G2310/0262 ,  G09G2320/043 ,  G09G2330/04

Abstract: Provided is a pixel unit, a pixel circuit comprising the pixel unit and a driving method thereof. The pixel unit comprises a light-emitting element and n driving sub-circuits; wherein n is a natural number and n>1; each of the driving sub-circuits comprises a scan signal line for control-electrode, a switching transistor and a driving transistor; the switching transistor has a control electrode connected to the scan signal line for control-electrode, a first electrode connected to a data line, and a second electrode connected to a control electrode of the driving transistor; the driving transistor has a first electrode connected to a power supply line and a second electrode connected to a first electrode of the light-emitting element; and a second electrode of the light-emitting element is connected to a reference voltage terminal.

Abstract translation: 提供像素单元，包括像素单元的像素电路及其驱动方法。 像素单元包括发光元件和n个驱动子电路; 其中n是自然数，n> 1; 每个驱动子电路包括用于控制电极的扫描信号线，开关晶体管和驱动晶体管; 开关晶体管具有连接到控制电极的扫描信号线的控制电极，连接到数据线的第一电极和连接到驱动晶体管的控制电极的第二电极; 所述驱动晶体管具有连接到电源线的第一电极和连接到所述发光元件的第一电极的第二电极; 并且发光元件的第二电极连接到参考电压端子。

公开(公告)号：US09158121B2

公开(公告)日：2015-10-13

申请号：US13995496

申请日：2012-11-23

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yuting Zhang

IPC: G09G5/02 ,  G02B27/22 ,  G02F1/1343 ,  G09G3/00 ,  G09G3/20

CPC classification number: G02B27/2214 ,  G02F2001/134345 ,  G09G3/003 ,  G09G3/20 ,  G09G2300/0443 ,  G09G2310/063 ,  G09G2320/0209

Abstract: Disclosed are a display device and a driving method thereof in 2D/3D display field. The display device comprises: a display panel comprising a pixel electrode array, wherein each of the pixel electrode comprises at least one main pixel electrode portion (P1, P2) and at least one secondary pixel electrode portion (P1′, P2′), a gate line (GE1, GE2) is disposed between two adjacent rows of pixel electrodes, a gate line (GO1, GO2) is disposed between portions of each pixel electrode, a data line (DO) is disposed between two adjacent columns of pixel electrodes, and all portions of the pixel electrodes in the same column are connected to a same data line (DO); and a gate driving device (3-2) for inputting a gate shift pulse and a control signal to the display panel, so that for the display panel, in a 2D mode, all portions of the pixel electrodes are inputted with data signals, and in a 3D mode, a portion of each pixel electrode is inputted a data signal while another portion is not inputted with the data signal but used to form a black stripe. In the display device and the driving method for the same, black stripes are formed in the display panel so that the display device has larger viewing angle without affecting the visibility and luminance of the display device.

Abstract translation: 在2D / 3D显示领域中公开了一种显示装置及其驱动方法。 显示装置包括：显示面板，包括像素电极阵列，其中每个像素电极包括至少一个主像素电极部分（P1，P2）和至少一个副像素电极部分（P1'，P2'）， 栅极线（GE1，GE2）设置在两个相邻行的像素电极之间，栅极线（GO1，GO2）设置在每个像素电极的各部分之间，数据线（DO）设置在两个相邻列的像素电极之间， 并且同一列中的像素电极的所有部分连接到相同的数据线（DO）; 以及用于将栅极位移脉冲和控制信号输入到显示面板的栅极驱动装置（3-2），使得对于显示面板，在2D模式中，像素电极的所有部分都输入数据信号，并且 在3D模式中，每个像素电极的一部分被输入数据信号，而另一部分不输入数据信号，而是用于形成黑条。 在显示装置及其驱动方法中，在显示面板上形成黑色条纹，使得显示装置具有较大的视角而不会影响显示装置的可见度和亮度。

公开(公告)号：US20140240209A1

公开(公告)日：2014-08-28

申请号：US13996094

申请日：2013-02-18

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yuting Zhang

IPC: G11C19/28 ,  G09G3/36

CPC classification number: G11C19/28 ,  G09G3/3648 ,  G09G3/3677 ,  G09G2300/0408 ,  G09G2310/0286

Abstract: Disclosed is a shift register, a gate driver and a display apparatus. The shift register comprises: a pulling-up transistor (M3), a pulling-down transistor (M10), an output transistor (M12) and a reset unit, and further comprises an output pulling-down unit for discharging the output terminal and connected to a pulling-down node (PD) of a present stage, a pulling-down node (PD) of an adjacent stage, a low voltage signal terminal (VSS) and an output terminal (OUTPUT) respectively, which turns on the connection between the output terminal and the low voltage signal terminal (VSS) when the pulling-down node (PD) of the present stage or the pulling-down node (PD) of the adjacent stage is at a high level; and a controlling transistor (M14) having a gate connected to the pulling-up node (PU), a drain connected to the pulling-down node (PD) of the adjacent stage, and a source connected to the low voltage signal terminal (VSS). The shift register can effectively prevent the occurrence of the phenomenon of plural outputs by suppressing by the output pulling-down unit the noise in the output of each of the shift registers in the odd number of time unit and the even number of time unit after the operation of the shift register, thus increasing the stability of GOA unit and ensuring the display effect of the liquid crystal panel.

Abstract translation: 公开了一种移位寄存器，栅极驱动器和显示装置。 移位寄存器包括：上拉晶体管（M3），下拉晶体管（M10），输出晶体管（M12）和复位单元，还包括用于对输出端子进行放电并连接的输出下拉单元 分别连接到当前级的下拉节点（PD），相邻级的下拉节点（PD），低电压信号端子（VSS）和输出端子（OUTPUT） 当相邻级的当前级或下拉式节点（PD）的下拉节点（PD）处于高电平时，输出端子和低电压信号端子（VSS） 以及具有连接到上拉节点（PU）的栅极的控制晶体管（M14），连接到相邻级的下拉节点（PD）的漏极和连接到低电压信号端子（VSS）的源极 ）。 移位寄存器可以通过输出下拉单元抑制奇数时间单位的每个移位寄存器的输出中的噪声和在时间单位之后的偶数个单位来有效地防止出现多个输出现象 移位寄存器的操作，从而提高了GOA单元的稳定性，保证了液晶面板的显示效果。