公开(公告)号：US20160260381A1

公开(公告)日：2016-09-08

申请号：US14787392

申请日：2015-03-13

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Cuili GAI ,  Zhongyuan WU ,  Rui XU

IPC: G09G3/3258 ,  G09G3/3266

CPC classification number: G09G3/3258 ,  G09G3/3266 ,  G09G2300/043 ,  G09G2310/0289 ,  G09G2320/0223 ,  G09G2320/0233 ,  G09G2320/0626 ,  G09G2330/028

Abstract: Disclosed are an array substrate, a driving method thereof, and a display device. The array substrate comprises a scan driving unit (10) located in a peripheral area and configured to input an enable signal to one terminal of at least one driving control line (Vdd) in a display area so as to drive an OLED device to emit light. The array substrate further comprises at least one compensation control unit (100) and a compensation voltage source (101) configured to provide a compensation voltage (Vc). One terminal of the compensation control unit (100) is connected to the compensation voltage source (101), the other terminal thereof is connected to the other terminal of the at least one driving control line (Vdd), and the compensation control unit (100) is configured to control the compensation voltage source (101) to input the compensation voltage (Vc) to the other terminal of the driving control line (Vdd). The compensation voltage (Vc) is less than or equal to a voltage (VDD) of the enable signal, mura caused by IR Drop can be eliminated.

Abstract translation: 公开了阵列基板，其驱动方法和显示装置。 阵列基板包括位于外围区域中的扫描驱动单元（10），并被配置为向显示区域中的至少一个驱动控制线（Vdd）的一个端子输入使能信号，以驱动OLED器件发光 。 阵列基板还包括被配置为提供补偿电压（Vc）的至少一个补偿控制单元（100）和补偿电压源（101）。 补偿控制单元（100）的一个端子连接到补偿电压源（101），其另一个端子连接到至少一个驱动控制线路（Vdd）的另一个端子，补偿控制单元（100 ）被配置为控制补偿电压源（101）将补偿电压（Vc）输入到驱动控制线路（Vdd）的另一端子。 补偿电压（Vc）小于或等于使能信号的电压（VDD），可以消除IR引起的mura。

公开(公告)号：US20160171928A1

公开(公告)日：2016-06-16

申请号：US14347369

申请日：2013-05-15

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Cuili GAI ,  Danna SONG ,  Zhongyuan WU

IPC: G09G3/32

CPC classification number: G09G3/3225 ,  G09G3/3233 ,  G09G2300/0814 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2310/0262 ,  G09G2320/0204 ,  G09G2320/0233 ,  G09G2320/0257 ,  G09G2320/045

Abstract: Provided are an AMOLED pixel unit, a method for driving the same, and a display device. The AMOLED pixel unit includes a compensating unit, a light emitting control unit, a driving transistor, a storage capacitor and an organic light emitting diode, wherein the compensating unit is switched on under the control of a signal on a scan line; the light emitting control unit is switched on under the control of a signal on a light emitting control line; an anode of the organic light emitting diode is connected to a second terminal of the storage capacitor, and a cathode of the organic light emitting diode receives a second power supply signal. Such a circuit can effectively compensate for the drift and the non-uniformity of the threshold voltages of the transistors and the non-uniformity of the voltages of the organic light emitting diodes.

Abstract translation: 提供了一种AMOLED像素单元，其驱动方法和显示装置。 AMOLED像素单元包括补偿单元，发光控制单元，驱动晶体管，存储电容器和有机发光二极管，其中补偿单元在扫描线上的信号的控制下接通; 发光控制单元在发光控制线上的信号的控制下接通; 有机发光二极管的阳极连接到存储电容器的第二端子，有机发光二极管的阴极接收第二电源信号。 这种电路可以有效地补偿晶体管的阈值电压的漂移和不均匀性以及有机发光二极管的电压的不均匀性。

公开(公告)号：US20160028398A1

公开(公告)日：2016-01-28

申请号：US14420880

申请日：2014-08-05

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhongyuan WU ,  Danna SONG ,  Liye DUAN

IPC: H03K19/0185 ,  H03K19/0944 ,  H03K19/20

CPC classification number: H03K19/018507 ,  H03K19/09441 ,  H03K19/09445 ,  H03K19/20

Abstract: The NAND gate circuit includes at least two input transistors, at least two pull-up modules and at least two input control transistors. A first electrode of each input transistor is connected to a second level output end via the pull-up module. The input control transistor is configured to enable a potential of the control end of the pull-up module connected to the first electrode of the input transistor to be the first level when the input signal connected to the gate electrode of the input control transistor is at a second level. The at least two pull-up modules are configured to cut off the connection between the second level output end and the NAND gate output end when all the input signals are at the second level, and enable the connection therebetween when none of the input signals is at the second level.

Abstract translation: NAND门电路包括至少两个输入晶体管，至少两个上拉模块和至少两个输入控制晶体管。 每个输入晶体管的第一电极通过上拉模块连接到第二电平输出端。 输入控制晶体管被配置为当连接到输入控制晶体管的栅电极的输入信号处于第一电平时，使连接到输入晶体管的第一电极的上拉模块的控制端的电位成为第一电平 第二级。 所述至少两个上拉模块被配置为当所有输入信号处于第二电平时切断第二电平输出端与NAND门输出端之间的连接，并且当没有输入信号为 在第二级。

公开(公告)号：US20160012761A1

公开(公告)日：2016-01-14

申请号：US14429820

申请日：2014-06-23

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Cuili GAI ,  Danna SONG ,  Zhongyuan WU

IPC: G09G3/20 ,  G09G3/32 ,  H01L27/32

CPC classification number: G09G3/2003 ,  G09G3/3208 ,  G09G2300/0452 ,  G09G2360/16 ,  H01L27/3213 ,  H01L27/3216

Abstract: An organic electroluminescent display device, a driving method thereof and a display device are provided. The organic electroluminescent display device comprises: a plurality of pixel units arranged in matrix, each of the pixel units comprising a plurality of sub-pixel units for displaying different colors, and in each row of the pixel units, two adjacent pixel units constituting a pixel unit group; and a sub-pixel unit for displaying white between the two adjacent pixel units in each pixel unit group. The area occupied by the sub-pixel unit for displaying white is greater than that occupied by any one sub-pixel unit in the pixel unit. The sub-pixel unit for displaying white is configured such that the luminance of emitted light thereof replaces the luminance of light emitted by one pixel unit of two adjacent pixel units in a frame according to a preset condition.

Abstract translation: 提供一种有机电致发光显示装置，其驱动方法和显示装置。 有机电致发光显示装置包括：矩阵排列的多个像素单元，每个像素单元包括用于显示不同颜色的多个子像素单元，并且在每行像素单元中，构成像素的两个相邻像素单元 单位组 以及用于在每个像素单元组中的两个相邻像素单元之间显示白色的子像素单元。 用于显示白色的子像素单元所占据的面积大于像素单元中的任何一个子像素单元所占据的面积。 用于显示白色的子像素单元被配置为使得其发射光的亮度根据预设条件替换帧中的两个相邻像素单元的一个像素单元发射的光的亮度。

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。

公开(公告)号：US20250037662A1

公开(公告)日：2025-01-30

申请号：US18918667

申请日：2024-10-17

Applicant: HEFEI BOE JOINT TECHNOLOGY CO., LTD. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yongqian LI ,  Can YUAN ,  Zhongyuan WU

IPC: G09G3/3233 ,  H10K59/131

Abstract: A display substrate and a display panel are provided. The display substrate includes: a base substrate; and a plurality of sub-pixels. Each sub-pixel includes a light-emitting element and a pixel circuit; the pixel circuit includes a driving circuit, a data writing circuit, a first control circuit, a second control circuit, and a light-emitting control circuit; the driving circuit is configured to control the driving current flowing through the light-emitting element; the light-emitting control circuit is configured to apply the driving current to the light-emitting element; the first control circuit is configured to write a reference voltage into the driving circuit; the second control circuit is configured to write an initial voltage into the first electrode of the light-emitting element; and orthographic projections of at least part of pixel circuits of every two adjacent sub-pixels in a same row of sub-pixels on the base substrate are mirror-symmetrical.

公开(公告)号：US20240221125A1

公开(公告)日：2024-07-04

申请号：US18557955

申请日：2023-02-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Guang BAI ,  Zhongyuan WU ,  Xue DONG ,  Fei YANG ,  Jiankang SUN

IPC: G06T5/50 ,  G06F3/01 ,  G06T7/62

CPC classification number: G06T5/50 ,  G06F3/013 ,  G06T7/62 ,  G06T2207/20221

Abstract: An image processing method is applied to an electronic device having a display and includes: obtaining pupil coordinates of a user at a current moment; determining a fixation region and a non-fixation region corresponding to the display at the current moment according to the pupil coordinates; rendering an image corresponding to the fixation region according to a first resolution, and rendering an image corresponding to the non-fixation region according to a second resolution, the first resolution being greater than the second resolution; stitching an image corresponding to the fixation region after the rendering and an image corresponding to the non-fixation region after the rendering; and displaying a stitched image on the display.

公开(公告)号：US20240169925A1

公开(公告)日：2024-05-23

申请号：US17779164

申请日：2021-03-29

Applicant: Hefei BOE Joint Technology Co.,Ltd. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhidong YUAN ,  Pan XU ,  Yongqian LI ,  Can YUAN ,  Zhongyuan WU

IPC: G09G3/3266 ,  G09G3/32 ,  G11C19/28

CPC classification number: G09G3/3266 ,  G09G3/32 ,  G09G2300/0426 ,  G09G2310/0267 ,  G09G2310/0286 ,  G11C19/28

Abstract: A display panel includes sub-pixels and a scan driving circuit. The scan driving circuit includes a plurality of stages of shift registers including at least one first shift register and at least one second shift register, and a plurality of clock signal lines including at least one first sub-clock signal line and at least one second sub-clock signal line. Each shift register includes a first sub-circuit and a second sub-circuit. A first sub-clock signal line in the at least one first sub-clock signal line is electrically connected to a first sub-circuit in a first shift register in the at least one first shift register. A second sub-clock signal line in the at least one second sub-clock signal line is electrically connected to one sub-circuit of a first sub-circuit and a second sub-circuit in a second shift register in the at least one second shift register.

公开(公告)号：US20240057418A1

公开(公告)日：2024-02-15

申请号：US18492194

申请日：2023-10-23

Applicant: Hefei BOE Joint Technology Co., Ltd. ,  BOE Technology Group Co., Ltd.

Inventor： Zhongyuan WU ,  Yongqian LI ,  Can YUAN ,  Zhidong YUAN ,  Meng LI ,  Dacheng ZHANG ,  Lang LIU

IPC: H10K59/131

CPC classification number: H10K59/1315

Abstract: Embodiments of the present disclosure provide a display panel and a display device. The display panel includes a base substrate, a plurality of pixel units and a plurality of gate line groups. At least one pixel unit includes a plurality of sub-pixels. At least one sub-pixel includes a sensing transistor and a driving transistor. Each gate line group includes a first gate line and a second gate line; for the first gate line and the second gate line corresponding to the sub-pixels in the same row, the positions of the sensing transistors are closer to the second gate lines, and the positions of the driving transistors are closer to the first gate line, For two sub-pixels close to each other and located in different pixel units in the same row, at least one signal line has a double-layer alignment structure, and the double-layer alignments are electrically connected with each other.

公开(公告)号：US20230157110A1

公开(公告)日：2023-05-18

申请号：US16976796

申请日：2019-11-29

Applicant: Hefei BOE Joint Technology Co., Ltd. ,  BOE Technology Group Co., Ltd.

Inventor： Zhongyuan WU ,  Yongqian LI ,  Can YUAN ,  Zhidong YUAN ,  Meng LI ,  Dacheng ZHANG ,  Lang LIU

IPC: H10K59/131

CPC classification number: H10K59/1315

Abstract: Embodiments of the present disclosure provide a display panel and a display device. The display panel includes a base substrate, a plurality of pixel units and a plurality of gate line groups. At least one pixel unit includes a plurality of sub-pixels. At least one sub-pixel includes a sensing transistor and a driving transistor. Each gate line group includes a first gate line and a second gate line; for the first gate line and the second gate line corresponding to the sub-pixels in the same row, the positions of the sensing transistors are closer to the second gate lines, and the positions of the driving transistors are closer to the first gate line, For two sub-pixels close to each other and located in different pixel units in the same row, at least one signal line has a double-layer alignment structure, and the double-layer alignments are electrically connected with each other.