公开(公告)号：US20160254339A1

公开(公告)日：2016-09-01

申请号：US14769456

申请日：2014-12-25

Applicant: BOE Technology Group Co., Ltd.

Inventor： Chunsheng JIANG ,  Jingfei FANG ,  Baojiang ZHANG

IPC: H01L27/32 ,  H01L51/56

CPC classification number: H01L27/3274 ,  H01L27/1225 ,  H01L27/124 ,  H01L27/3262 ,  H01L27/3276 ,  H01L29/4908 ,  H01L29/7869 ,  H01L51/56

Abstract: A pixel unit is used in an array substrate of a display device. In one embodiment, it comprises a gate line, a source-drain line and a thin-film transistor; and the gate line is in an overlapped structure comprising a first MoW layer, a Cu layer and a second MoW layer overlapped successively; and a gate of the thin-film transistor is formed of the first MoW layer. In another embodiment, the source-drain line is in a same overlapped structure; and a source and a drain of the thin-film transistor are formed of the first MoW layer. The first embodiment is achieved by means of a halftone process while the second embodiment is achieved by means of a lift off process. Diffusion of Cu in the gate layer or in the source-drain layer towards the oxide active layer is prevented. Also disclosed is a method for manufacturing the abovementioned pixel unit, an array substrate comprising the abovementioned pixel unit, a display device comprising the abovementioned pixel unit, and a method for manufacturing abovementioned array substrate and display device.

Abstract translation: 在显示装置的阵列基板中使用像素单元。 在一个实施例中，其包括栅极线，源极 - 漏极线和薄膜晶体管; 并且栅极线处于重叠结构，其包括第一MoW层，Cu层和第二MoW层， 并且薄膜晶体管的栅极由第一MoW层形成。 在另一个实施例中，源极 - 漏极线处于相同的重叠结构; 并且薄膜晶体管的源极和漏极由第一MoW层形成。 第一实施例通过半色调处理实现，而第二实施例通过剥离过程来实现。 防止了栅极层或源极 - 漏极层中的Cu朝向氧化物活性层的扩散。 还公开了制造上述像素单元的方法，包括上述像素单元的阵列基板，包括上述像素单元的显示装置，以及用于制造上述阵列基板和显示装置的方法。

公开(公告)号：US20150339973A1

公开(公告)日：2015-11-26

申请号：US14426803

申请日：2014-04-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhongyuan WU ,  Baojiang ZHANG ,  Liye DUAN

IPC: G09G3/32

CPC classification number: G09G3/3225 ,  G09G3/3233 ,  G09G2300/0814 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/0251 ,  G09G2320/0233 ,  G09G2320/0257 ,  G09G2320/043 ,  G09G2320/045

Abstract: Provided are a pixel circuit and driving method thereof and a display apparatus. The pixel circuit comprises a first transistor (T1), a second transistor (T2), a third transistor (T3), a storage capacitor (C1), a parasitic capacitor (C2) and a light emitting device (L). A first electrode of the first transistor (T1) is connected to a first power source signal terminal, and its second electrode is connected to a first electrode of the third transistor (T3); the gate of the second transistor (T2) is connected to a first control signal terminal (S1), its first electrode is connected to a data signal terminal (DATA), and its second electrode is connected to the gate of the first transistor (T1); the gate of the third transistor (T3) is connected to a second control signal terminal (S2), and its second electrode is connected to one terminal of the light emitting device (L); one terminal of the storage capacitor (C1) is connected to the gate of the first transistor (T1), and the other terminal of the storage capacitor is connected to one terminal of the light emitting device (L); one terminal of the parasitic capacitor (C2) is connected to one terminal of the light emitting device (L), and the other terminal of the parasitic capacitor (C2) is connected to the other terminal of the light emitting device (L); and the other terminal of the light emitting device (L) is also connected to a second power source signal terminal (ELVSS). The pixel circuit can effectively compensate for the threshold voltage shift of the TFTs and improve the display effect.

Abstract translation: 提供了像素电路及其驱动方法和显示装置。 像素电路包括第一晶体管（T1），第二晶体管（T2），第三晶体管（T3），存储电容器（C1），寄生电容器（C2）和发光器件（L）。 第一晶体管（T1）的第一电极连接到第一电源信号端子，并且其第二电极连接到第三晶体管（T3）的第一电极; 第二晶体管（T2）的栅极连接到第一控制信号端子（S1），其第一电极连接到数据信号端子（DATA），其第二电极连接到第一晶体管（T1）的栅极 ）; 第三晶体管（T3）的栅极连接到第二控制信号端子（S2），并且其第二电极连接到发光器件（L）的一个端子; 存储电容器（C1）的一个端子连接到第一晶体管（T1）的栅极，并且存储电容器的另一个端子连接到发光器件（L）的一个端子; 寄生电容器（C2）的一个端子连接到发光器件（L）的一个端子，而寄生电容器（C2）的另一个端子连接到发光器件（L）的另一个端子; 并且发光装置（L）的另一个端子也连接到第二电源信号端子（ELVSS）。 像素电路可以有效地补偿TFT的阈值电压偏移并提高显示效果。