公开(公告)号：US10510901B2

公开(公告)日：2019-12-17

申请号：US15127262

申请日：2015-09-24

Applicant: BOE Technology Group Co., Ltd.

Inventor： Longyan Wang ,  Yongqian Li ,  Cuili Gai ,  Quanhu Li ,  Baoxia Zhang ,  Jingwen Yin ,  Kun Cao ,  Zhongyuan Wu ,  Gang Wang

IPC: H01L29/76 ,  H01L29/786 ,  H01L27/12 ,  H01L27/32 ,  H01L29/417 ,  H01L29/423 ,  H01L29/66

Abstract: A thin film transistor and a fabrication method thereof, an array substrate and a display device are provided. The thin film transistor comprises a gate electrode, an active layer, a source electrode and a drain electrode. The source electrode and the drain electrode include a first conductive layer provided on the active layer, and an etching rate of a material of the first conductive layer is greater than an etching rate of a material of the active layer in an etching liquid. The problem that the active layer of the thin film transistor is easily corroded in a back channel etch process is avoided, a number of patterning processes is reduced, and fabrication cost is reduced.

公开(公告)号：US10186202B2

公开(公告)日：2019-01-22

申请号：US15533754

申请日：2015-12-16

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jingwen Yin ,  Lirong Wang

IPC: G09G3/3258 ,  G09G3/30

Abstract: The present disclosure provides a power supply circuit, an array substrate, and a display device. The power supply circuit includes a plurality of power wires, each providing a voltage to a row of pixel units. The plurality of power wires include at least a first power wire and a second power wire, between which at least one logical AND circuit is disposed. The logical AND circuit electrically econnects the first power wire with the second power wire when high level voltages are output by the first power wire and the second power wire simultaneously. As a result, voltages at connection points of two rows of power wires approximate to each other, voltage differences among different rows of pixel units are reduced, and therefore the phenomenon of luminance nonuniformity in a display caused by different voltage drops of different rows of pixel units is improved.

公开(公告)号：US09489894B2

公开(公告)日：2016-11-08

申请号：US14437031

申请日：2014-08-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jingwen Yin ,  Zhongyuan Wu ,  Lirong Wang

IPC: G09G3/32 ,  H01L27/32

CPC classification number: G09G3/3258 ,  G09G3/3233 ,  G09G2300/0809 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2320/0219 ,  G09G2320/0626 ,  H01L27/3248 ,  H01L27/3262 ,  H01L27/3265 ,  H01L27/3276

Abstract: There is provided a pixel circuit comprising a driving transistor (DTFT), a signal loading module, a light emitting control module and a storage capacitor (Cs). The pixel circuit can effectively eliminate the non-uniformity due to the threshold voltage of the driving transistor (DTFT) itself and the afterimage phenomenon due to the threshold voltage drift when driving the OLED, avoid the display brightness non-uniformity due to different threshold voltages of the driving transistors (DTFT) between the OLEDs of different pixel units. There is further provided a driving method for the above pixel circuit and a TFT backboard comprising the above pixel circuit.

Abstract translation: 提供了包括驱动晶体管（DTFT），信号加载模块，发光控制模块和存储电容器（Cs）的像素电路。 像素电路可以有效地消除由于驱动晶体管（DTFT）本身的阈值电压而导致的不均匀性，以及驱动OLED时由于阈值电压漂移引起的残像现象，避免了由于不同的阈值电压引起的显示亮度不均匀 的不同像素单元的OLED之间的驱动晶体管（DTFT）。 还提供了用于上述像素电路的驱动方法和包括上述像素电路的TFT背板。

公开(公告)号：US20180175204A1

公开(公告)日：2018-06-21

申请号：US15127262

申请日：2015-09-24

Applicant: BOE Technology Group Co., Ltd.

Inventor： Longyan Wang ,  Yongqian Li ,  Cuili Gai ,  Quanhu Li ,  Baoxia Zhang ,  Jingwen Yin ,  Kun Cao ,  Zhongyuan Wu ,  Gang Wang

IPC: H01L29/786 ,  H01L29/417 ,  H01L29/423 ,  H01L29/66 ,  H01L27/32 ,  H01L27/12

CPC classification number: H01L29/7869 ,  H01L27/1225 ,  H01L27/127 ,  H01L27/1288 ,  H01L27/3244 ,  H01L27/3262 ,  H01L29/41733 ,  H01L29/42384 ,  H01L29/66969 ,  H01L51/0023 ,  H01L51/105

Abstract: A thin film transistor and a fabrication method thereof, an array substrate and a display device are provided. The thin film transistor comprises a gate electrode, an active layer, a source electrode and a drain electrode. The source electrode and the drain electrode include a first conductive layer provided on the active layer, and an etching rate of a material of the first conductive layer is greater than an etching rate of a material of the active layer in an etching liquid. The problem that the active layer of the thin film transistor is easily corroded in a back channel etch process is avoided, a number of patterning processes is reduced, and fabrication cost is reduced.

公开(公告)号：US10001684B2

公开(公告)日：2018-06-19

申请号：US15036918

申请日：2015-12-10

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Cuili Gai ,  Zhongyuan Wu ,  Jingwen Yin ,  Longyan Wang

IPC: G02F1/1362 ,  H01L27/02 ,  G09G3/20

CPC classification number: G02F1/136204 ,  G02F1/136259 ,  G09G3/20 ,  G09G2300/0426 ,  G09G2330/04 ,  G09G2330/08 ,  H01L27/0248

Abstract: The present application discloses an array substrate having a signal line; a common electrode line; an electrostatic discharge (ESD) protector comprising a first discharging terminal coupled to the signal line, and a second discharging terminal coupled to the common electrode line; and an ESD protector repair unit comprising a first repair terminal in close proximity to the first discharging terminal but separated from each other, a second repair terminal in close proximity to the common electrode line but separated from each other.

公开(公告)号：US20170168361A1

公开(公告)日：2017-06-15

申请号：US15036918

申请日：2015-12-10

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Cuili Gai ,  Zhongyuan Wu ,  Jingwen Yin ,  Longyan Wang

IPC: G02F1/1362 ,  H01L27/02

CPC classification number: G02F1/136204 ,  G02F1/136259 ,  G09G3/20 ,  G09G2300/0426 ,  G09G2330/04 ,  G09G2330/08 ,  H01L27/0248

Abstract: The present application discloses an array substrate having a signal line; a common electrode line; an electrostatic discharge (ESD) protector comprising a first discharging terminal coupled to the signal line, and a second discharging terminal coupled to the common electrode line; and an ESD protector repair unit comprising a first repair terminal in close proximity to the first discharging terminal but separated from each other, a second repair terminal in close proximity to the common electrode line but separated from each other.

公开(公告)号：US09583041B2

公开(公告)日：2017-02-28

申请号：US14429827

申请日：2014-08-04

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jingwen Yin ,  Zhongyuan Wu

IPC: G09G5/10 ,  G09G3/32

CPC classification number: G09G3/3258 ,  G09G3/3233 ,  G09G2300/043 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/0251 ,  G09G2310/0262 ,  G09G2320/0233 ,  G09G2320/045 ,  G09G2320/0626

Abstract: The present invention discloses a pixel circuit and a driving method thereof, a display panel, and a display device, so as to improve brightness uniformity. The pixel circuit in the present invention comprises a control sub-circuit, a compensation sub-circuit, a driving transistor and a light emitting device. The present invention enables the driving current that drives the light emitting device to emit light to be uncorrelated with the threshold voltage of the driving transistor, so as to improve display uniformity of the panel.

Abstract translation: 本发明公开了一种像素电路及其驱动方法，显示面板和显示装置，以提高亮度均匀性。 本发明中的像素电路包括控制子电路，补偿子电路，驱动晶体管和发光器件。 本发明使得驱动发光器件发光的驱动电流与驱动晶体管的阈值电压不相关，从而提高面板的显示均匀性。

公开(公告)号：US09570000B2

公开(公告)日：2017-02-14

申请号：US14345625

申请日：2013-05-20

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jingwen Yin ,  Zhongyuan Wu

IPC: G09G3/32

CPC classification number: G09G3/3208 ,  G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2320/0233

Abstract: The present disclosure relates to the field of organic light-emitting display, and provides a pixel circuit, a driving method thereof, an organic light-emitting display panel and a display apparatus, comprising a driving transistor, a first storage capacitor, a collecting unit, a writing unit and a light-emitting unit; wherein, the collecting unit is used for collecting the threshold voltage of the driving transistor and storing the threshold voltage into the first storage capacitor, under the control of the first scan signal; the writing unit is used for storing the data voltage inputted from the input terminal for the data voltage under the control of the second scan signal; and the light-emitting unit is used for emitting lights, driven by the data voltage and a voltage inputted from the input terminal for the controllable low voltage, under the control of the light-emitting control signal. Thus an organic light-emitting device is not affected by the threshold voltage shift of the driving transistor, which may enhance the image uniformity of the organic light-emitting display panel effectively, slow down the decay speed of an organic light-emitting device and ensure the uniformity and a constancy of brightness of the organic light-emitting display panel.

Abstract translation: 本公开涉及有机发光显示器的领域，并且提供一种像素电路，其驱动方法，有机发光显示面板和显示装置，包括驱动晶体管，第一存储电容器，收集单元 ，写入单元和发光单元; 其特征在于，所述收集单元用于在所述第一扫描信号的控制下收集所述驱动晶体管的阈值电压并将所述阈值电压存储到所述第一存储电容器中; 写入单元用于在第二扫描信号的控制下存储从数据电压输入端输入的数据电压; 并且发光单元用于在发光控制信号的控制下由数据电压和从输入端子输入的可控低电压的电压驱动的光。 因此，有机发光器件不受驱动晶体管的阈值电压偏移的影响，这有效地提高了有机发光显示面板的图像均匀性，从而减慢了有机发光器件的衰减速度并确保 有机发光显示面板的均匀性和亮度的恒定性。