公开(公告)号：US20180053462A1

公开(公告)日：2018-02-22

申请号：US15676662

申请日：2017-08-14

Applicant: LG Display Co., Ltd.

Inventor： Hanjin BAE ,  Sangho YU

IPC: G09G3/20 ,  G09G3/3233

CPC classification number: G09G3/2074 ,  G09G3/3233 ,  G09G2300/0426 ,  G09G2300/043 ,  G09G2300/0819 ,  G09G2310/0251 ,  G09G2310/08 ,  G09G2320/0223 ,  G09G2320/0233 ,  G09G2320/0295 ,  G09G2320/045

Abstract: A display device is disclosed. The display device includes a display panel including data lines, panel lines, scan lines, and pixels, a power circuit configured to output a reference voltage for initializing subpixels of the pixels, a plurality of branch lines configured to divide a path of the reference voltage into a plurality of paths, and a switch circuit configured to switch a path between the branch lines and the panel lines in response to a switch control signal. The switch circuit changes the path between the branch lines and the panel lines at intervals of predetermined time.

公开(公告)号：US20150062137A1

公开(公告)日：2015-03-05

申请号：US14132783

申请日：2013-12-18

Applicant: LG DISPLAY CO., LTD.

Inventor： Sangho YU ,  Seungtae KIM

IPC: G06T1/60

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：US20140084792A1

公开(公告)日：2014-03-27

申请号：US13718739

申请日：2012-12-18

Applicant: LG DISPLAY CO., LTD.

Inventor： Dongkyoung OH ,  Sangho YU ,  Hyunson CHON CHON ,  Myungjin PYEON ,  Youngin KIM ,  Munjun LEE

IPC: H05B37/02

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

Abstract: The present invention has been made in an effort to provide an organic light emitting display device comprising a panel; 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 current; 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: 本发明是为了提供一种包括面板的有机发光显示装置， 电源向面板供电; 电流检测单元，检测流过所述面板的电力线布线的电流，并输出所检测的电流; 以及功率控制器，将检测到的电流与内部配置的电流值进行比较，并输出如果检测到的电流超过预定电流值则关闭电源的关闭信号。

公开(公告)号：US20180032106A1

公开(公告)日：2018-02-01

申请号：US15662694

申请日：2017-07-28

Applicant: LG Display Co., Ltd.

Inventor： Sangho YU ,  Seungtae KIM

IPC: G06F1/16 ,  H04M1/02 ,  G09F9/30

CPC classification number: G06F1/1652 ,  G06F2203/04102 ,  G09F9/301 ,  H01L51/0097 ,  H01L2251/5338 ,  H04M1/0268

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：US20150379909A1

公开(公告)日：2015-12-31

申请号：US14582882

申请日：2014-12-24

Applicant: LG DISPLAY CO., LTD.

Inventor： Sangho YU ,  Bumsik KIM

IPC: G09G3/00 ,  G09G3/32

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：US20140085290A1

公开(公告)日：2014-03-27

申请号：US13942214

申请日：2013-07-15

Applicant: LG DISPLAY CO., LTD.

Inventor： Sangho YU

IPC: G09G3/32

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：US20160240122A1

公开(公告)日：2016-08-18

申请号：US15137790

申请日：2016-04-25

Applicant: LG DISPLAY CO., LTD.

Inventor： Sangho YU ,  Bumsik KIM

IPC: G09G3/00 ,  G09G3/3258 ,  G09G3/3291 ,  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.

公开(公告)号：US20160012778A1

公开(公告)日：2016-01-14

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: G09G3/32

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 scan 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.

Abstract translation: 讨论有机发光显示器，其驱动方法及其制造方法。 根据实施例的有机发光显示器包括具有子像素的面板，每个子像素具有包括参考电压供给晶体管的补偿电路，该参考电压晶体管接收参考电压并使用参考电压初始化驱动晶体管的栅电极或漏电极的节点 提供扫描信号以扫描面板的扫描线的扫描驱动器，向面板的数据线提供扫描信号的数据驱动器，控制扫描驱动器和数据驱动器的定时控制器以及提供扫描信号的参考电压补偿单元 参考电压包括与参考电压相对于子像素产生的纹波相反的反向电压并且消除纹波。

公开(公告)号：US20150115799A1

公开(公告)日：2015-04-30

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: G09G3/32

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。

公开(公告)号：US20140184481A1

公开(公告)日：2014-07-03

申请号：US14095773

申请日：2013-12-03

Applicant: LG Display Co., Ltd.

Inventor： Jihun KIM ,  Sangho YU ,  Woojin NAM ,  Joongsun YOON ,  Minkyu CHANG

IPC: G09G3/32 ,  H01L21/66

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 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 controlling the scan driver and the data driver, and a reference voltage compensation unit which varies the reference voltage on each scan line and supplies the reference voltage to the subpixels.

Abstract translation: 讨论有机发光显示器，其驱动方法及其制造方法。 根据实施例的有机发光显示器包括具有子像素的面板，每个子像素具有补偿电路，该补偿电路包括参考电压供应晶体管，其接收参考电压并使用参考电压初始化驱动晶体管的栅电极的节点;扫描 提供扫描信号以对面板进行扫描的扫描信号的驱动器，向面板的数据线提供数据信号的数据驱动器，控制扫描驱动器和数据驱动器的定时控制器，以及参考电压补偿单元， 每个扫描线并将参考电压提供给子像素。