公开(公告)号：US10678356B2

公开(公告)日：2020-06-09

申请号：US14981486

申请日：2015-12-28

Applicant: LG Display Co., Ltd.

Inventor： Taegung Kim ,  Sangho Yu ,  Hyuckjun Kim

IPC: G06F3/041 ,  G06F3/044 ,  G09G3/3233 ,  G09G3/3275

Abstract: A disclosed touch sensor integrated display device includes a display panel; and a data drive circuit configured to set a gate-source voltage to turn on a driving TFT in the display panel by applying a data voltage for touch sensing to a gate node of the driving TFT through a data line and a reference voltage to a source node of the driving TFT through a sensing line, during a reset period based on a scan control signal and a sensing control signal, and to output a sensing value by sensing a change in a source-drain current of the driving TFT caused by touch input, during a sensing period subsequent to the reset period.

公开(公告)号：US09418596B2

公开(公告)日：2016-08-16

申请号：US13942214

申请日：2013-07-15

Applicant: LG DISPLAY CO., LTD.

Inventor： Sangho Yu

IPC: G09G3/30 ,  G09G3/32 ,  G09G3/00

CPC classification number: G09G3/3291 ,  G09G3/006 ,  G09G3/3208 ,  G09G3/3233 ,  G09G2330/027 ,  G09G2330/045

Abstract: An organic light emitting display and method for driving the same are discussed. The organic light emitting display according to an embodiment includes a panel, drivers, and a short circuit detector. The short circuit detector forms a closed loop with a signal line, transmits input pulses through one end of the signal line and receives output pulses fed back through the other end of the signal line compares the input pulses and the output pulses.

Abstract translation: 讨论了有机发光显示器及其驱动方法。 根据实施例的有机发光显示器包括面板，驱动器和短路检测器。 短路检测器形成具有信号线的闭环，通过信号线的一端传输输入脉冲，并接收通过信号线的另一端反馈的输出脉冲，比较输入脉冲和输出脉冲。

公开(公告)号：US09779663B2

公开(公告)日：2017-10-03

申请号：US14864659

申请日：2015-09-24

Applicant: LG DISPLAY CO., LTD.

Inventor： Jihun Kim ,  Sangho Yu ,  Woojin Nam ,  Joongsun Yoon ,  Minkyu Chang

IPC: G09G3/30 ,  G09G3/3258 ,  G09G3/3233

CPC classification number: G09G3/3258 ,  G09G3/3233 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2320/0209 ,  G09G2320/045

Abstract: An organic light emitting display, a method for driving the same, and a method for manufacturing the same are discussed. The organic light emitting display according to an embodiment includes a panel including subpixels each having a compensation circuit including a reference voltage supply transistor, which receives a reference voltage and initializes a node of a gate electrode or a drain electrode of a driving transistor using the reference voltage, a scan driver supplying a scan signal to scan lines of the panel, a data driver supplying a data signal to data lines of the panel, a timing controller that controls the scan driver and the data driver, and a reference voltage compensation unit supplying the reference voltage including a reverse voltage opposite a ripple generated in the reference voltage to the subpixels and cancel the ripple.

公开(公告)号：US20150049075A1

公开(公告)日：2015-02-19

申请号：US14275764

申请日：2014-05-12

Applicant: LG Display Co., Ltd.

Inventor： Yirang Lim ,  Sangho Yu ,  Munjun Lee

IPC: G09G3/32

CPC classification number: G09G5/397 ,  G09G3/3233 ,  G09G2300/0452 ,  G09G2300/0842 ,  G09G2320/0233 ,  G09G2320/0295 ,  G09G2320/043

Abstract: An organic light emitting display and a method for driving the same are disclosed. The organic light emitting display includes a display panel, a data driver supplying a data signal to the display panel, a memory which is positioned inside or outside the data driver and includes at least two banks, and a sensing circuit unit which measures a threshold voltage of at least one driving transistor included in the display panel and provides compensation data. The data driver separately writes and reads previous compensation data and new compensation data provided by the sensing circuit unit in the at least two banks of the memory.

Abstract translation: 公开了一种有机发光显示器及其驱动方法。 有机发光显示器包括显示面板，向显示面板提供数据信号的数据驱动器，位于数据驱动器内部或外部的存储器，并且包括至少两个存储体，以及感测电路单元，其测量阈值电压 包括在显示面板中的至少一个驱动晶体管，并提供补偿数据。 数据驱动器分别在存储器的至少两个存储体中写入和读取以前的补偿数据和由感测电路单元提供的新的补偿数据。

公开(公告)号：US10599185B2

公开(公告)日：2020-03-24

申请号：US15662694

申请日：2017-07-28

Applicant: LG Display Co., Ltd.

Inventor： Sangho Yu ,  Seungtae Kim

IPC: G06F1/16 ,  G09F9/30 ,  H04M1/02 ,  H01L51/00

Abstract: The present disclosure provides a rollable flexible display device. The rollable flexible display device including a display panel that displays an image and rolls or unrolls like a scroll, a sensing circuit that performs sensing to detect rolled and unrolled portions of the display panel and outputs sensed values, and a device adjusting part that adjusts the operating conditions of the display panel based on the sensed values sent from the sensing circuit.

公开(公告)号：US09478197B2

公开(公告)日：2016-10-25

申请号：US14275764

申请日：2014-05-12

Applicant: LG Display Co., Ltd.

Inventor： Yirang Lim ,  Sangho Yu ,  Munjun Lee

IPC: G09G3/32 ,  G09G5/397

CPC classification number: G09G5/397 ,  G09G3/3233 ,  G09G2300/0452 ,  G09G2300/0842 ,  G09G2320/0233 ,  G09G2320/0295 ,  G09G2320/043

Abstract: An organic light emitting display and a method for driving the same are disclosed. The organic light emitting display includes a display panel, a data driver supplying a data signal to the display panel, a memory which is positioned inside or outside the data driver and includes at least two banks, and a sensing circuit unit which measures a threshold voltage of at least one driving transistor included in the display panel and provides compensation data. The data driver separately writes and reads previous compensation data and new compensation data provided by the sensing circuit unit in the at least two banks of the memory.

Abstract translation: 公开了一种有机发光显示器及其驱动方法。 有机发光显示器包括显示面板，向显示面板提供数据信号的数据驱动器，位于数据驱动器内部或外部的存储器，并且包括至少两个存储体，以及感测电路单元，其测量阈值电压 包括在显示面板中的至少一个驱动晶体管，并提供补偿数据。 数据驱动器分别在存储器的至少两个存储体中写入和读取以前的补偿数据和由感测电路单元提供的新的补偿数据。

公开(公告)号：US20170031485A1

公开(公告)日：2017-02-02

申请号：US14981486

申请日：2015-12-28

Applicant: LG Display Co., Ltd.

Inventor： Taegung Kim ,  Sangho Yu ,  Hyuckjun Kim

IPC: G06F3/041 ,  G06F3/044 ,  G09G3/32

Abstract: A disclosed touch sensor integrated display device includes a display panel; and a data drive circuit configured to set a gate-source voltage to turn on a driving TFT in the display panel by applying a data voltage for touch sensing to a gate node of the driving TFT through a data line and a reference voltage to a source node of the driving TFT through a sensing line, during a reset period based on a scan control signal and a sensing control signal, and to output a sensing value by sensing a change in a source-drain current of the driving TFT caused by touch input, during a sensing period subsequent to the reset period.

Abstract translation: 所公开的触摸传感器集成显示装置包括显示面板; 以及数据驱动电路，其被配置为通过将数据线和参考电压施加到驱动TFT的栅极节点，将源极电压设置为使得显示面板中的驱动TFT接通，以将触摸感测的数据电压施加到源极 在基于扫描控制信号和感测控制信号的复位期间，通过感测线路驱动TFT的节点，并且通过感测由触摸输入引起的驱动TFT的源极 - 漏极电流的变化来输出感测值 ，在复位周期之后的感测期间。

公开(公告)号：US09542873B2

公开(公告)日：2017-01-10

申请号：US15137790

申请日：2016-04-25

Applicant: LG DISPLAY CO., LTD.

Inventor： Sangho Yu ,  Bumsik Kim

IPC: G09G3/00 ,  G09G3/32 ,  G09G3/20

CPC classification number: G09G3/006 ,  G09G3/2007 ,  G09G3/3258 ,  G09G3/3291 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0828 ,  G09G2310/027 ,  G09G2320/0295 ,  G09G2320/045 ,  G09G2320/0693 ,  G09G2330/12

Abstract: An organic light emitting display comprises: a display panel with a plurality of pixels connected to data lines and sensing lines, each pixel comprising an OLED and a driving TFT for controlling the amount of light emission of the OLED; and a data driver IC comprising a plurality of sensing units for sensing current data of the pixels through a plurality of sensing channels connected to the sensing lines, each sensing unit comprising: a first current integrator connected to an odd sensing channel; a second current integrator connected to an even sensing channel neighboring the odd sensing channel; and a sample & hold unit that removes common noise components from a first sampled value input from the first current integrator and a second sampled value input from the second current integrator while storing and holding the first and second sampled values.

Abstract translation: 有机发光显示器包括：具有连接到数据线和感测线的多个像素的显示面板，每个像素包括OLED和用于控制OLED的发光量的驱动TFT; 以及数据驱动器IC，其包括多个感测单元，用于通过连接到感测线的多个感测通道来感测像素的当前数据，每个感测单元包括：连接到奇数感测通道的第一电流积分器; 连接到与奇数感测通道相邻的偶数感测通道的第二电流积分器; 以及采样保持单元，其从存储并保持第一和第二采样值的第一电流积分器输入的第一采样值和从第二电流积分器输入的第二采样值中去除公共噪声分量。

公开(公告)号：US09520084B2

公开(公告)日：2016-12-13

申请号：US14132783

申请日：2013-12-18

Applicant: LG DISPLAY CO., LTD.

Inventor： Sangho Yu ,  Seungtae Kim

IPC: G09G3/3233 ,  G09G3/32

CPC classification number: G09G3/3233 ,  G09G2300/0842 ,  G09G2320/0233 ,  G09G2320/0295 ,  G09G2320/043

Abstract: An image quality compensation device for an organic light emitting display includes: a memory having first and second update blocks selectively storing first and second period compensation values, which are sequentially updated at regular intervals; and a timing controller that configures the first update block as either the current memory page for data loading or the next memory page for data writing and the second update block as the other one of the two, based on a preset check code, and updates the memory by calculating the second period compensation value with the passage of driving time based on the first period compensation value loaded from the update block configured as the current memory page, writing the second period compensation value to the update block configured as the next memory page, and then erasing the first period compensation value from the update block configured as the current memory page.

Abstract translation: 用于有机发光显示器的图像质量补偿装置包括：存储器，其具有选择性地存储以规则间隔顺序更新的第一和第二周期补偿值的第一和第二更新块; 以及定时控制器，其基于预设的检查码将第一更新块配置为用于数据加载的当前存储器页面或用于数据写入的下一个存储器页面和作为另一个存储器页面的另一个存储器页面，并且更新 通过基于从被配置为当前存储器页的更新块加载的第一周期补偿值计算出驱动时间的第二周期补偿值，将第二周期补偿值写入配置为下一个存储器页的更新块， 然后从配置为当前存储器页的更新块擦除第一周期补偿值。

公开(公告)号：US09378673B2

公开(公告)日：2016-06-28

申请号：US14591645

申请日：2015-01-07

Applicant: LG DISPLAY CO., LTD.

Inventor： Dongkyoung Oh ,  Sangho Yu ,  Hyunson Chon ,  Myungjin Pyeon ,  Youngin Kim ,  Munjun Lee

IPC: H05B37/00 ,  H05B41/00 ,  G09G3/32 ,  H05B37/02 ,  G09G3/00

CPC classification number: G09G3/3208 ,  G09G3/00 ,  G09G3/006 ,  G09G2330/028 ,  G09G2330/10 ,  G09G2330/12 ,  H05B37/02 ,  Y02B20/42

Abstract: An organic light emitting display device, can include a panel, a driving unit driving the panel, a timing controller controlling the driving unit, a power supply supplying power to the panel, a current detection unit detecting a current flowing through power line wiring of the panel and outputting the detected currents, and a power controller comparing the detected current with a current value configured internally and outputting a shutdown signal which turns off the power supply if the detected current exceeds the predetermined current value.

Abstract translation: 有机发光显示装置可以包括面板，驱动面板的驱动单元，控制驱动单元的定时控制器，向面板供电的电源，电流检测单元，检测流过电源线布线的电流 并且输出检测到的电流;以及功率控制器，将检测到的电流与内部配置的电流进行比较，并且如果检测到的电流超过预定电流值，则输出断开电源的关闭信号。