公开(公告)号：US20140064438A1

公开(公告)日：2014-03-06

申请号：US13995498

申请日：2012-11-30

Applicant: BOE Technology Group Co., Ltd.

Inventor： Zhongyuan Wu ,  Liye Duan

IPC: G11C19/28 ,  G09G3/36 ,  G09G3/32

CPC classification number: G09G3/3648 ,  G09G3/20 ,  G09G3/3225 ,  G09G3/3266 ,  G09G3/3677 ,  G09G2300/0408 ,  G09G2300/0417 ,  G09G2310/061 ,  G11C19/28

Abstract: A shift register, comprising a plurality of shift register sub-units connected in cascade, each of the plurality of shift register sub-units comprising first to third TFTs, an eleventh TFT, a first capacitor and a first reset control module for controlling the second TFT to be turned on or off. Besides the shift register sub-unit at a first stage, for each of the shift register sub-units at other stages, the second TFT gate control terminal thereof is connected to the third TFT gate control terminal of the shift register sub-unit at a previous stage. Accordingly, a gate driving circuit comprising the shift register and a display comprising the gate driving circuit are provided. Compared with the prior art, reliability of the shift register is highly improved and area occupied by the shift register is smaller.

Abstract translation: 一种移位寄存器，包括级联连接的多个移位寄存器子单元，所述多个移位寄存器子单元中的每一个包括第一至第三TFT，第十一TFT，第一电容器和第一复位控制模块，用于控制第二 TFT打开或关闭。 除了第一级的移位寄存器子单元，对于其他级的移位寄存器子单元，其第二TFT栅极控制端子连接到移位寄存器子单元的第三TFT栅极控制端子 前一阶段 因此，提供了包括移位寄存器和包括栅极驱动电路的显示器的栅极驱动电路。 与现有技术相比，移位寄存器的可靠性大大提高，移位寄存器占用的面积更小。

公开(公告)号：US12050336B2

公开(公告)日：2024-07-30

申请号：US17631350

申请日：2021-04-13

Applicant: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Nanfang Jia ,  Long Wang ,  Liye Duan

IPC: F21V8/00 ,  G02F1/1334 ,  G02F1/1335 ,  G02F1/13357 ,  G02F1/1337 ,  G02F1/1343

CPC classification number: G02B6/0068 ,  G02B6/0023 ,  G02B6/009 ,  G02F1/133512 ,  G02F1/133621 ,  G02F1/133742 ,  G02F1/133784 ,  G02F1/134309 ,  G02F1/1334 ,  G02F2201/56 ,  G02F2202/28 ,  G02F2203/01

Abstract: A display panel includes a liquid crystal cell, a light guide plate, and at least one light source. The light guide plate is attached to a surface of the liquid crystal cell in a thickness direction of the liquid crystal. The light guide plate includes a first surface, a second surface and side surfaces. In a thickness direction of the light guide plate, the first surface is opposite to the second surface, and the side faces are located between the first surface and the second surface. The first surface is closer to the liquid crystal cell than the second surface. A light source is disposed on at least a partial region in at least one side face. The light guide plate is configured such that light incident on the second surface in light from the light source is totally reflected, and then exits from the first surface.

公开(公告)号：US11302272B2

公开(公告)日：2022-04-12

申请号：US16826254

申请日：2020-03-22

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G09G3/36 ,  G02F1/13357 ,  G02F1/1362

Abstract: The present disclosure provides a display device and a driving method. The display device includes a display panel and a backlight module, where the display panel includes a plurality of display regions, the backlight module includes x light sources, each of the plurality of display regions corresponds to one of the light sources, each of the light sources includes a plurality of light emitting units which emit light of different colors, and x is a positive integer not smaller than 2. The driving method includes, after loading data signals to subpixels in one of the display regions, turning on a light emitting unit corresponding to the one of the display regions and at the same time, loading datap signals to subpixels in a next one of the display regions which is adjacent to the one of the display regions.

公开(公告)号：US20200235328A1

公开(公告)日：2020-07-23

申请号：US16605414

申请日：2019-04-18

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yongming Shi ,  Liye Duan ,  Chun Wang

IPC: H01L51/52 ,  H01L35/08 ,  H01L35/32 ,  H01L27/32

Abstract: The present application provides a pixel circuit, a display panel, and a temperature compensation method for a display panel. The display panel includes a plurality of pixel units. At least one of the plurality of pixel units includes: a display layer comprising a light emitting element; and a thermoelectric conversion layer comprising a thermoelectric element having a first terminal and a second terminal, wherein the first terminal is disposed adjacent to the light emitting element and in thermal contact with the light emitting element, and the second terminal is disposed away from the light emitting element. The thermoelectric element has a first signal terminal and a second signal terminal, and is configured to generate a temperature difference voltage signal between the first signal terminal and the second signal terminal according to a temperature difference between the first terminal and the second terminal.

公开(公告)号：US10140903B2

公开(公告)日：2018-11-27

申请号：US14785709

申请日：2015-04-20

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Chungchun Lee ,  Liye Duan ,  Yanzhao Li ,  Chunwei Wu ,  Hanjun Park

IPC: G09G3/20 ,  G09G3/3233

Abstract: The invention provides an array substrate and a driving method thereof, a display panel and a display device. The array substrate comprises a plurality of circulating units and a plurality of pixel circuits. Each circulating unit consists of four sub-pixel units located in four columns and two rows, sub-pixel units in any two adjacent columns are located in different rows and have different colors, and sub-pixel units in at least one row have different colors. Each sub-pixel unit is connected to one pixel circuit, and each sub-pixel unit comprises a first sub-pixel and a second sub-pixel located in the same column and having the same color. The pixel circuit is configured to drive the first sub-pixel when a first frame picture is displayed, and to drive the second sub-pixel when a second frame picture is displayed.

公开(公告)号：US09984626B2

公开(公告)日：2018-05-29

申请号：US14076408

申请日：2013-11-11

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhongyuan Wu ,  Liye Duan

IPC: G09G3/32 ,  G09G3/3258 ,  G09G3/3233

CPC classification number: G09G3/3258 ,  G09G3/3233 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2300/0871 ,  G09G2310/0251 ,  G09G2320/045

Abstract: The embodiments of the invention disclose a pixel circuit, a display device and a driving method thereof. The pixel circuit comprises a light-emitting element; a driving TFT, its drain is input a power supply voltage signal; a first TFT, its drain is connected with a source of the driving TFT, its source is connected with the light-emitting element, its gate receives a first control signal; a second TFT, its source receives a data signal, its drain is connected with a gate of the driving TFT, its gate receives a scanning signal; a third TFT, its source receives a reference voltage signal, its gate receives the scanning signal; a fourth TFT, its source is connected with a drain of the third TFT, its drain is connected with the gate of the driving TFT and the drain of the second TFT, its gate receives a second control signal; and a capacitor.

公开(公告)号：US20170228125A1

公开(公告)日：2017-08-10

申请号：US15114045

申请日：2016-01-08

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Chungchun Lee ,  Li Zhou ,  Liye Duan ,  Feng Jiang ,  Xuan He ,  Long Wang

IPC: G06F3/0488 ,  G06F3/042 ,  G06F3/0484

CPC classification number: G06F3/0488 ,  G06F3/0412 ,  G06F3/0421 ,  G06F3/0481 ,  G06F3/04817 ,  G06F3/04845 ,  G06F2203/04803

Abstract: Embodiments of the present application provide a display panel, a mobile terminal and a method for controlling a mobile terminal which may allow the user perform single hand operations on a large-size mobile terminal to improve the convenience of the mobile terminal. The display panel includes: a first substrate; a second substrate arranged opposite to the first substrate; and a single hand operation sensing unit arranged on the first substrate or the second substrate, which is configured to sense a single hand holding operation of a user and to trigger the display panel to demagnify an operation graphic interface displayed in full-screen and display the demagnified operation graphic interface in a predetermined single hand operation comfortable region positioned on the basis of a holding position in case that the single hand holding operation of the user is sensed. The display panel is used in single hand operation scene.

公开(公告)号：US09437139B2

公开(公告)日：2016-09-06

申请号：US14362004

申请日：2013-10-18

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Danna Song ,  Liye Duan ,  Zhongyuan Wu ,  Cuili Gai

IPC: G09G5/10 ,  G09G3/32

CPC classification number: G09G3/3258 ,  G09G3/3233 ,  G09G2310/0248 ,  G09G2310/0291 ,  G09G2320/0242 ,  G09G2320/0295 ,  G09G2320/045 ,  G09G2330/028

Abstract: A pixel driving current extracting apparatus and a pixel driving current extracting method, the pixel driving current extracting apparatus comprises driving current extracting circuits corresponding to pixel driving circuits for respective colors respectively. Each of the driving current extracting circuits comprises a driving current amplifying and converting unit connected to the pixel driving circuit, for amplifying and converting a driving current of the pixel driving circuit into a voltage signal. A driving current computing unit connected to the driving current amplifying and converting unit is used for computing a pixel driving current according to the voltage signal. An amplification ratio of the driving current amplifying and converting unit in the driving current extracting circuits corresponding to the pixel driving circuits for respective colors is inversely proportional to a magnitude of the pixel driving current for respective colors. The pixel driving currents for respective colors are extracted uniformly and amplified properly without being distorted, thereby providing a well data support for the subsequent signal processing.

Abstract translation: 像素驱动电流提取装置和像素驱动电流提取方法，像素驱动电流提取装置包括分别对应于各个颜色的像素驱动电路驱动电流提取电路。 每个驱动电流提取电路包括连接到像素驱动电路的驱动电流放大和转换单元，用于将像素驱动电路的驱动电流放大并转换为电压信号。 连接到驱动电流放大和转换单元的驱动电流计算单元用于根据电压信号计算像素驱动电流。 与各颜色的像素驱动电路对应的驱动电流提取电路中的驱动电流放大和转换单元的放大率与各种颜色的像素驱动电流的大小成反比。 各颜色的像素驱动电流被均匀提取并被正确地放大而不会失真，从而为随后的信号处理提供良好的数据支持。

公开(公告)号：US20150255031A1

公开(公告)日：2015-09-10

申请号：US14366534

申请日：2013-12-17

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Kun Cao ,  Zhongyuan Wu ,  Liye Duan

IPC: G09G3/36

CPC classification number: G09G3/3648 ,  G09G3/3677 ,  G09G2310/0286 ,  G09G2310/067 ,  G09G2320/043 ,  G11C19/28

Abstract: Provided are a shift register unit and a gate driver circuit, which are configured to suppress output errors caused by the drifts in the threshold voltages and the interval existed in the operation of pulling the output terminal, and thus to enhance stability of the shift register unit. The shift register unit comprises: an input module, a first output module, a pull-down driving module, a pull-down module and a first output discharging unit. The pull-down driving module is connected to the first clock signal input terminal and the second clock signal input terminal, and configured to provide the first clock signal to a first pull-down node in response to the first clock signal, provide the second clock signal to a second pull-down node in response to the second clock signal, provide a first low voltage signal to the first pull-down node and the second pull-down node in response to the voltage signal at the pull-up node, provide the first low voltage signal to the second pull-down node in response to a voltage signal at the first pull-down node, and provide the first low voltage signal to the first pull-down node in response to a voltage signal at the second pull-down node.

Abstract translation: 提供了一种移位寄存器单元和栅极驱动器电路，其被配置为抑制由阈值电压中的漂移和拉动输出端子的操作中存在的间隔引起的输出误差，从而增强移位寄存器单元的稳定性 。 移位寄存器单元包括：输入模块，第一输出模块，下拉驱动模块，下拉模块和第一输出放电单元。 下拉驱动模块连接到第一时钟信号输入端和第二时钟信号输入端，并被配置为响应于第一时钟信号将第一时钟信号提供给第一下拉节点，提供第二时钟 响应于第二时钟信号向第二下拉节点发送信号，响应于上拉节点处的电压信号向第一下拉节点和第二下拉节点提供第一低电压信号，提供 所述第一低电压信号响应于所述第一下拉节点处的电压信号而被提供给所述第二下拉节点，并且响应于所述第二拉动期间的电压信号将所述第一低电压信号提供给所述第一下拉节点 下降节点。

公开(公告)号：US09013846B2

公开(公告)日：2015-04-21

申请号：US14074914

申请日：2013-11-08

Applicant: BOE Technology Group Co., Ltd.

Inventor： Liye Duan ,  Zhongyuan Wu

IPC: H02H9/04 ,  G02F1/1362

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：第一TFT，漏极连接到数据信号线，源极和栅极连接在一起作为节点; 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。