公开(公告)号：US10467956B2

公开(公告)日：2019-11-05

申请号：US15307788

申请日：2015-10-23

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Liye Duan ,  Lirong Wang ,  Chungchun Lee ,  Chiehhsing Chung ,  Junjie Lin

IPC: G09G3/3233 ,  G09G3/3258

Abstract: The present disclosure provides a pixel driving circuit, an array substrate and a display device. The pixel driving circuit comprises a charge storage unit, for receiving a power supply voltage signal; a driving unit, for generating a driving current that drives the OLED to emit light; a reset unit, for writing a voltage of an initial voltage signal into a second terminal of the charge storage unit in a reset phase; a data write unit, for writing a voltage of a data voltage signal and the threshold voltage of the driving unit into the second terminal of the charge storage unit in a data write phase; and a light emitting control unit, for controlling the power supply voltage signal to be written into the driving unit so as to generate the driving signal in a light emitting phase.

公开(公告)号：US09246329B2

公开(公告)日：2016-01-26

申请号：US14127767

申请日：2012-11-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Liye Duan ,  Zhongyuan Wu

IPC: H02H9/00 ,  H02H9/04 ,  G09G5/00 ,  H01L27/02

CPC classification number: H02H9/045 ,  G09G3/20 ,  G09G3/3648 ,  G09G5/00 ,  G09G2300/043 ,  G09G2300/08 ,  G09G2330/04 ,  H01L27/0296

Abstract: An electrostatic discharge (ESD) protection circuit and a display device comprising the protection circuit are provided. The protection circuit comprises a first depletion mode thin-film transistor, a second depletion mode thin-film transistor, a third depletion mode thin-film transistor, and a voltage dividing unit. This, when in normal operation, effectively prevents a signal line from releasing a large amounts of current, ensures that an internal array of the display device operates normally, and when an ESD occurs, allows for rapid discharge of an electrostatic charge accumulated on the signal line and ensures that the internal array of the display device is free from the electrostatic damage. Hence, application of the ESD protection circuit allows for utilization of low-cost depletion mode thin-film transistors to implement of electrostatic discharge and for reduced the manufacturing cost of the ESD protection circuit, thus reducing the manufacturing costs of the display device comprising the protection circuit.

Abstract translation: 提供了一种静电放电（ESD）保护电路和包括保护电路的显示装置。 保护电路包括第一耗尽型薄膜晶体管，第二耗尽型薄膜晶体管，第三耗尽型薄膜晶体管和分压单元。 这在正常工作时有效地防止信号线释放大量电流，确保显示装置的内部阵列正常工作，并且当发生ESD时，允许在信号上累积的静电电荷的快速放电 并确保显示设备的内部阵列没有静电损坏。 因此，ESD保护电路的应用允许利用低成本耗尽型薄膜晶体管实现静电放电并降低ESD保护电路的制造成本，从而降低包括保护的显示装置的制造成本 电路。

公开(公告)号：US09123291B2

公开(公告)日：2015-09-01

申请号：US14355470

申请日：2013-12-16

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Liye Duan ,  Lirong Wang ,  Zhongyuan Wu

IPC: G09G3/30 ,  G09G3/32

CPC classification number: G09G3/3225 ,  G09G3/3241 ,  G09G2310/0262 ,  G09G2320/045

Abstract: Disclosed are a pixel circuit, a driving method thereof and a pixel array structure. The pixel circuit comprises a load controlling module(101), a load module(102), a gray scale selection module(103), a driving module(104) and a light-emitting device(105). The load controlling module(101) outputs an analog data signal through a first node and a second node under the control of a first scan signal (scan1). The load module(102) is connected with a first power supply terminal(VSS), the driving module(104), the first node(A1) and the second node(A2), respectively, and stores the analog data signal in the load module(102) and provides the driving module(104) with the analog data signal under the control of signals from the first node and the second node. The gray scale selection module(103) transmits a digital data signal to a third node(A3) located in the gray scale selection module(103) under the control of a second scan signal (scan2). The driving module(104) drives the light-emitting device(105) under the control of the signals from the second node and the third node. A first terminal of the light-emitting device(105) is connected with a second power supply terminal(VDD), a second terminal thereof is connected with the driving module(104). The pixel circuit is capable of reducing a charging time of an OLED pixel circuit.

Abstract translation: 公开了像素电路，其驱动方法和像素阵列结构。 像素电路包括负载控制模块（101），负载模块（102），灰度级选择模块（103），驱动模块（104）和发光装置（105）。 负载控制模块（101）在第一扫描信号（scan1）的控制下通过第一节点和第二节点输出模拟数据信号。 负载模块（102）分别与第一电源端子（VSS），驱动模块（104），第一节点（A1）和第二节点（A2）连接，并将模拟数据信号存储在负载 模块（102）并且在来自第一节点和第二节点的信号的控制下向驱动模块（104）提供模拟数据信号。 灰度级选择模块（103）在第二扫描信号（scan2）的控制下，将数字数据信号发送到位于灰度级选择模块（103）中的第三节点（A3）。 驱动模块（104）在来自第二节点和第三节点的信号的控制下驱动发光设备（105）。 发光装置（105）的第一端子与第二电源端子（VDD）连接，其第二端子与驱动模块（104）连接。 像素电路能够减少OLED像素电路的充电时间。

公开(公告)号：US09099859B2

公开(公告)日：2015-08-04

申请号：US13995134

申请日：2012-11-21

Applicant: BOE Technology Group Co., Ltd.

Inventor： Zhongyuan Wu ,  Liye Duan

IPC: H02H9/00 ,  H02H9/04 ,  H01L27/02 ,  G02F1/1362 ,  G09G3/20 ,  H02H3/04

CPC classification number: H02H9/04 ,  G02F1/136204 ,  G09G3/20 ,  G09G2330/04 ,  H01L27/0296 ,  H02H3/046

Abstract: Provided is an electro-static discharge protection circuit, an array substrate and a display apparatus, being capable of reducing power consumption while improving reliability of the display apparatus. The electro-static discharging protection circuit comprises: a first thin film transistor (T1), having a drain connected to a high level output terminal (VGH); a second thin film transistor (T2), having a source connected to a source of the first thin film transistor (T1) as a discharging terminal (O), a drain connected to the high level output terminal (VGH) and a gate connected to a low level output terminal (VGL); a third thin film transistor (T3), having a source and a gate connected to the low level output terminal (VGL) and a drain connected to the gate of the first thin film transistor (T1); and a voltage difference maintaining unit connected between the gate of the first thin film transistor (T1) and the discharging terminal (O), wherein the voltage difference maintaining unit is used to make the voltage difference between the gate of the first thin film transistor (T1) and the discharging terminal (O) maintain unchanged, the discharging terminal (O) being used for connecting gate lines or data lines.

Abstract translation: 提供一种静电放电保护电路，阵列基板和显示装置，能够在提高显示装置的可靠性的同时降低功耗。 静电放电保护电路包括：第一薄膜晶体管（T1），其漏极连接到高电平输出端子（VGH）; 第二薄膜晶体管（T2），其源极连接到作为放电端子（O）的第一薄膜晶体管（T1）的源极，漏极连接到高电平输出端子（VGH），栅极连接到 低电平输出端子（VGL）; 具有连接到低电平输出端子（VGL）的源极和栅极的第三薄膜晶体管（T3）和连接到第一薄膜晶体管（T1）的栅极的漏极; 以及连接在第一薄膜晶体管（T1）的栅极与放电端子（O）之间的电压差保持单元，其中，电压差维持单元用于使第一薄膜晶体管（I）的栅极之间的电压差 T1）和放电端子（O）保持不变，放电端子（O）用于连接栅线或数据线。

公开(公告)号：US20150028765A1

公开(公告)日：2015-01-29

申请号：US14236283

申请日：2013-08-12

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jingwen Yin ,  Zhongyuan Wu ,  Liye Duan

IPC: H01L27/32

CPC classification number: H01L27/3265 ,  G09G3/325 ,  G09G2310/0251 ,  G09G2310/0262 ,  G09G2310/067 ,  G09G2320/045

Abstract: The present invention relates to the field of display technology, and provides a pixel circuit, a driving method thereof, and a display device, so as to compensate for the TFT threshold voltage drift, thereby to improve the brightness non-uniformity of the display device and prolong the service life thereof. The pixel circuit comprises a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a first storage capacitor, a second storage capacitor, and a light-emitting element. The present invention is adapted to manufacture a display panel.

Abstract translation: 本发明涉及显示技术领域，并提供像素电路及其驱动方法和显示装置，以补偿TFT阈值电压漂移，从而提高显示装置的亮度不均匀性 并延长其使用寿命。 像素电路包括第一晶体管，第二晶体管，第三晶体管，第四晶体管，第五晶体管，第一存储电容器，第二存储电容器和发光元件。 本发明适用于制造显示面板。

公开(公告)号：US20140126094A1

公开(公告)日：2014-05-08

申请号：US14127767

申请日：2012-11-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Liye Duan ,  Zhongyuan Wu

IPC: H02H9/04

CPC classification number: H02H9/045 ,  G09G3/20 ,  G09G3/3648 ,  G09G5/00 ,  G09G2300/043 ,  G09G2300/08 ,  G09G2330/04 ,  H01L27/0296

Abstract: An electrostatic discharge (ESD) protection circuit and a display device comprising the protection circuit are provided. The protection circuit comprises a first depletion mode thin-film transistor, a second depletion mode thin-film transistor, a third depletion mode thin-film transistor, and a voltage dividing unit. This, when in normal operation, effectively prevents a signal line from releasing a large amounts of current, ensures that an internal array of the display device operates normally, and when an ESD occurs, allows for rapid discharge of an electrostatic charge accumulated on the signal line and ensures that the internal array of the display device is free from the electrostatic damage. Hence, application of the ESD protection circuit allows for utilization of low-cost depletion mode thin-film transistors to implement of electrostatic discharge and for reduced the manufacturing cost of the ESD protection circuit, thus reducing the manufacturing costs of the display device comprising the protection circuit.

Abstract translation: 提供了一种静电放电（ESD）保护电路和包括保护电路的显示装置。 保护电路包括第一耗尽型薄膜晶体管，第二耗尽型薄膜晶体管，第三耗尽型薄膜晶体管和分压单元。 这在正常工作时有效地防止信号线释放大量电流，确保显示装置的内部阵列正常工作，并且当发生ESD时，允许在信号上累积的静电电荷的快速放电 并确保显示设备的内部阵列没有静电损坏。 因此，ESD保护电路的应用允许利用低成本耗尽型薄膜晶体管实现静电放电并降低ESD保护电路的制造成本，从而降低包括保护的显示装置的制造成本 电路。

公开(公告)号：US20140126093A1

公开(公告)日：2014-05-08

申请号：US14074914

申请日：2013-11-08

Applicant: BOE Technology Group Co., Ltd.

Inventor： Liye Duan ,  Zhongyuan Wu

IPC: H02H9/04

CPC classification number: H02H9/044 ,  G02F1/136204 ,  H02H9/046

Abstract: The invention discloses an ESD protection circuit and a method for driving the same and a display panel. The ESD protection circuit in the present invention comprises: a first TFT with a drain connected to a data signal line, a source and a gate connected together as a node; a second TFT with a drain connected to a first power supply line, a source connected to the data signal line, and a gate connected to the node; a third TFT with a drain connected to the data signal line, a source connected to a second power supply line, and a gate connected to a third power supply line; a forth TFT with a drain connected to the node, a source and a gate connected to the second power supply line; and a bootstrap capacitor connected between the node and the data signal line.

Abstract translation: 本发明公开了一种ESD保护电路及其驱动方法及显示面板。 本发明的ESD保护电路包括：具有与数据信号线连接的漏极的第一TFT，作为节点连接在一起的源极和栅极; 第二TFT，漏极连接到第一电源线，连接到数据信号线的源和连接到节点的栅极; 第三TFT，漏极连接到数据信号线，连接到第二电源线的源极和连接到第三电源线的栅极; 具有连接到节点的漏极的第四TFT，连接到第二电源线的源极和栅极; 以及连接在节点和数据信号线之间的自举电容器。

公开(公告)号：US11769745B2

公开(公告)日：2023-09-26

申请号：US17489759

申请日：2021-09-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zongmin Liu ,  Liye Duan ,  Jijing Huang ,  Mengjun Hou

IPC: H01L23/00 ,  H01L23/498 ,  H01L23/66

CPC classification number: H01L24/13 ,  H01L23/4985 ,  H01L23/66 ,  H01L24/03 ,  H01L24/05 ,  H01L24/11 ,  H01L24/16 ,  H01L2224/0345 ,  H01L2224/0401 ,  H01L2224/05082 ,  H01L2224/05144 ,  H01L2224/05166 ,  H01L2224/05184 ,  H01L2224/11462 ,  H01L2224/13013 ,  H01L2224/13021 ,  H01L2224/13144 ,  H01L2224/16227

Abstract: The present disclosure provides a chip structure, a packaging structure and a manufacturing method for the chip structure. The chip structure includes at least one chip body, each of which includes at least one radio frequency front-end device; the chip structure further includes a redistribution layer stacked on the chip body and at least one pin on the redistribution layer; each radio frequency front-end device corresponds to one pin, which is electrically connected to the radio frequency front-end device through an electrical connector extending through the redistribution layer; an extending direction of the radio frequency front-end device is consistent with an extending direction of the pin corresponding to the radio frequency front-end device; a surface of the pin distal to the redistribution layer is a first plane. In the present disclosure, with the first plane, the chip may be directly and electrically connected to a flexible circuit board.

公开(公告)号：US11522090B2

公开(公告)日：2022-12-06

申请号：US16976148

申请日：2019-12-16

Applicant: Beijing BOE Technology Development Co., Ltd. ,  BOE Technology Group Co., Ltd.

Inventor： Kui Liang ,  Xiaohui Liu ,  Hu Meng ,  Dali Liu ,  Liye Duan ,  Chiachiang Lin

IPC: H01L27/14 ,  H01L31/0216 ,  H01L31/0224 ,  H01L27/146 ,  H01L31/108

Abstract: The present disclosure provides a flat panel detection substrate, a fabricating method thereof and a flat panel detector. The flat panel detection substrate according to the present disclosure includes a base substrate; a bias electrode and a sense electrode on the base substrate; and a semiconductor layer over the bias electrode and the sense electrode, the semiconductor layer having a thickness greater than 100 nm.

公开(公告)号：US11196954B2

公开(公告)日：2021-12-07

申请号：US16176011

申请日：2018-10-31

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Liye Duan ,  Yongming Shi ,  Chunqian Zhang ,  Kui Liang ,  Xiaohui Liu

IPC: H04N5/3745 ,  H04N5/32 ,  H04N5/365

Abstract: Embodiments of the present disclosure provide a pixel circuit and a drive method thereof, and a detector including the pixel circuit. The pixel circuit includes a photoelectric conversion circuit, a reset circuit, an amplifying circuit, a first control circuit, a second control circuit, a storage circuit, and an output circuit. The photoelectric conversion circuit is configured to convert an optical signal into an electric signal. The reset circuit is configured to reset a voltage of the first node. The amplifying circuit is configured to amplify the voltage of the first node. The first control circuit is configured to control a voltage of the second node. The second control circuit is configured to control a voltage of the third node. The storage circuit is configured to store an electric charge corresponding to the voltage outputted from the amplifying circuit. The output circuit is configured to output the stored electric charge.