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    Organic light emitting display device
    11.
    发明授权
    Organic light emitting display device 有权

    公开(公告)号：US09754536B2

    公开(公告)日：2017-09-05

    申请号：US14806386

    申请日：2015-07-22

    Applicant: LG DISPLAY CO., LTD.

    Inventor： Min Kyu Chang ,  Shinji Takasugi ,  Hyo Jin Park ,  Jong Ho Lee

    IPC: G09G3/3258 ,  G09G3/3233 ,  G09G3/3291

    CPC classification number: G09G3/3258 ,  G09G3/3233 ,  G09G3/3291 ,  G09G2300/043 ,  G09G2300/0819 ,  G09G2310/0251 ,  G09G2320/043

    Abstract: An organic light emitting display device includes a display panel including a plurality of pixels, wherein each pixel includes a driving transistor outputting a data current based on a data voltage to emit light from an organic light emitting diode; and a panel driver which drives the display panel in a sensing mode and a display mode, wherein the panel driver calculates a threshold voltage prediction value of the driving transistor for each pixel by sensing a mobility and a threshold voltage of the driving transistor for each pixel through a reference line connected with a sensing node between the driving transistor and the organic light emitting diode of each pixel for the sensing mode, and the panel driver drives each pixel based on the threshold voltage prediction value of the driving transistor of each pixel for the display mode.

    Display apparatus
    12.
    发明授权
    Display apparatus 有权
    显示装置

    公开(公告)号：US09558717B2

    公开(公告)日：2017-01-31

    申请号：US14748488

    申请日：2015-06-24

    Applicant: LG Display Co., Ltd.

    Inventor： Shinji Takasugi ,  Hae Yoon Kang ,  Mi Hee Uhm

    IPC: G09G5/18 ,  G09G3/32

    CPC classification number: G09G5/18 ,  G09G3/3233 ,  G09G2300/0452 ,  G09G2300/0842 ,  G09G2320/0295 ,  G09G2320/043 ,  G09G2340/0457

    Abstract: The present application relates to a display apparatus having a panel including sub-pixels, data lines, and horizontal lines; a sensing circuit to collect sensing data by sensing for external compensation in the horizontal lines; a calculator to determine a characteristic change of each of the sub-pixels using the sensing data to calculate an external compensation value; a data aligner to receive input image data, and when the input image data corresponds to a horizontal line where the sensing is performed, to convert the input image data into compensation image data based on a compensation value; and a data driver to output a compensation data voltage corresponding to the compensation image data to a data line corresponding to the sensed horizontal line before and after the sensing is performed, and output a sensing data voltage to the data line while the sensing is performed.

    Abstract translation: 本申请涉及具有包括子像素，数据线和水平线的面板的显示装置; 感测电路，用于通过感测水平线中的外部补偿来收集感测数据; 计算器，用于使用所述感测数据确定每个子像素的特征变化，以计算外部补偿值; 用于接收输入图像数据的数据对准器，并且当输入图像数据对应于执行感测的水平线时，基于补偿值将输入图像数据转换成补偿图像数据; 以及数据驱动器，用于在执行感测之前和之后将与补偿图像数据相对应的补偿数据电压输出到与检测到的水平线相对应的数据线，并且在执行感测时将感测数据电压输出到数据线。

    ORGANIC LIGHT EMITTING DISPLAY DEVICE AND DRIVING METHOD THEREOF
    14.
    发明申请
    ORGANIC LIGHT EMITTING DISPLAY DEVICE AND DRIVING METHOD THEREOF 有权
    有机发光显示装置及其驱动方法

    公开(公告)号：US20150187273A1

    公开(公告)日：2015-07-02

    申请号：US14584050

    申请日：2014-12-29

    Applicant: LG Display Co., Ltd.

    Inventor： Min Kyu Chang ,  Jong Sik Shim ,  Shinji Takasugi

    IPC: G09G3/32

    CPC classification number: G09G3/3233 ,  G09G3/3291 ,  G09G2300/0417 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2310/0262 ,  G09G2320/0233 ,  G09G2320/0285 ,  G09G2320/0295 ,  G09G2320/043

    Abstract: Disclosed is an organic light emitting display device including a pixel connected to a data line, a gate line group, and a reference line. The pixel includes an organic light emitting diode (OLED), a driving transistor configured to control a current flowing in the OLED, a first switching transistor configured to selectively supply a data voltage to a first node, a second switching transistor configured to selectively supply an initial voltage to a second node, a third switching transistor configured to selectively connect a third node to the reference line, a fourth switching transistor configured to selectively connect the first node to the third node, a first capacitor connected between the first and second nodes to store a threshold voltage of the driving transistor, and a second capacitor connected between the first and third nodes to store the data voltage supplied through the first switching transistor.

    Abstract translation: 公开了一种包括连接到数据线，栅极线组和参考线的像素的有机发光显示装置。 像素包括有机发光二极管（OLED），被配置为控制在OLED中流动的电流的驱动晶体管，被配置为选择性地向第一节点提供数据电压的第一开关晶体管，被配置为选择性地提供 初始电压到第二节点，第三开关晶体管，被配置为选择性地将第三节点连接到参考线;第四开关晶体管，被配置为选择性地将第一节点连接到第三节点;第一电容器，连接在第一和第二节点之间， 存储驱动晶体管的阈值电压，以及连接在第一和第三节点之间的第二电容器，以存储通过第一开关晶体管提供的数据电压。

    Organic light emitting display device and method of manufacturing the same
    15.
    发明授权
    Organic light emitting display device and method of manufacturing the same 有权
    有机发光显示装置及其制造方法

    公开(公告)号：US08766292B2

    公开(公告)日：2014-07-01

    申请号：US13706572

    申请日：2012-12-06

    Applicant: LG Display Co., Ltd

    Inventor： Hwa Kyung Kim ,  Byung Chul Ahn ,  Chang Wook Han ,  Woo Jin Nam ,  Hong Seok Choi ,  Yoon Heung Tak ,  Shinji Takasugi

    IPC: H01L51/52

    CPC classification number: H01L27/3216 ,  H01L27/3213

    Abstract: Provided are a method of manufacturing an organic light emitting display device and an organic light emitting display device manufactured by the method. The method includes calculating a peak-luminance current density for each of a red sub-pixel, a blue sub-pixel, a green sub-pixel, and a white sub-pixel, calculating an average use current density for each of the red sub-pixel, blue sub-pixel, green sub-pixel, and white sub-pixel; determining a size of each sub-pixel with the peak-luminance current density and the average use current density, and forming the sub-pixels with the determined sizes of the respective sub-pixels. The present invention sets the size of each sub-pixel in consideration of a peak-luminance current density and an average use current density, thus easily achieving the peak luminance and enhancing the color-coordinate life.

    Abstract translation: 提供一种制造有机发光显示装置的方法和通过该方法制造的有机发光显示装置。 该方法包括计算红色子像素，蓝色子像素，绿色子像素和白色子像素中的每一个的峰值亮度电流密度，计算每个红色子像素的平均使用电流密度 像素，蓝色子像素，绿色子像素和白色子像素; 使用峰值亮度电流密度和平均使用电流密度来确定每个子像素的尺寸，以及用所确定的各个子像素的尺寸形成子像素。 考虑到峰值亮度电流密度和平均使用电流密度，本发明设定每个子像素的尺寸，因此容易实现峰值亮度并提高颜色坐标寿命。

    Light emitting display device and driving method thereof
    16.
    发明授权
    Light emitting display device and driving method thereof 有权

    公开(公告)号：US10902783B2

    公开(公告)日：2021-01-26

    申请号：US16553034

    申请日：2019-08-27

    Applicant: LG DISPLAY CO., LTD.

    Inventor： Joonmin Park ,  Shinji Takasugi

    IPC: G09G3/32 ,  G09G3/3258 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3291

    Abstract: Provided is a light emitting display device and a method of driving the same. The light emitting display device includes: a display panel in which pixel lines including a plurality of pixels are divided into at least one area A and at least one area B; a panel driver connected to the pixel line; and a timing controller for controlling operation of the panel driver to perform image data writing (IDW) driving for sequentially writing input image data to a plurality of pixel lines included in one of the area A and the area B and to perform sensing data writing (SDW) driving for writing sensing data to a pixel line included in one of the area A and the area B in a vertical blank period in which image data writing driving is not performed. The timing controller writes coupling compensation data during the vertical blank period. According to the present disclosure, a device can be realized in consideration of a sensing deviation that may be generated in a compensation operation for improving deterioration of elements included in a display panel and increasing the lifespan thereof.

    Gate shift register and organic light emitting diode display including the same
    17.
    发明授权
    Gate shift register and organic light emitting diode display including the same 有权

    公开(公告)号：US10547316B2

    公开(公告)日：2020-01-28

    申请号：US15967035

    申请日：2018-04-30

    Applicant: LG Display Co., Ltd.

    Inventor： Shinji Takasugi ,  Wooseok Choi ,  Minkyu Chang ,  Jaeyi Choi

    IPC: G11C19/00 ,  H03K21/18 ,  G09G3/3241 ,  G09G3/36 ,  G11C19/28

    Abstract: A gate shift register and an organic light emitting diode display including the same are disclosed. The gate shift register includes a first stage and a second stage that output image display gate pulses during an image data writing period and selectively output a sensing gate pulse in a vertical blanking interval in which image display data is not written. The first stage includes a node Q1, a node Qbo, a node M, a first sensing control block activating the node Q1, and a second sensing control block deactivating the node Qbo. The second stage includes a node Q2, a node Qbe, a third sensing control block activating the node Q2, and a fourth sensing control block deactivating the node Qbe. The first stage and the second stage share a partial circuit necessary for driving with each other.

    Voltage compensation type pixel circuit of active matrix organic light emitting diode display device
    20.
    发明授权
    Voltage compensation type pixel circuit of active matrix organic light emitting diode display device 有权
    有源矩阵有源发光二极管显示装置的电压补偿型像素电路

    公开(公告)号：US08866705B2

    公开(公告)日：2014-10-21

    申请号：US13889903

    申请日：2013-05-08

    Applicant: LG Display Co., Ltd.

    Inventor： Shinji Takasugi ,  Taro Hasumi ,  Ryosuke Tani

    IPC: G09G3/30 ,  G09G3/32

    CPC classification number: G09G3/3291 ,  G09G3/3233 ,  G09G2300/0861 ,  G09G2310/0251 ,  H01L27/3244

    Abstract: A voltage compensation type pixel circuit of an AMOLED display device includes a driving transistor serially connected to a light emitting element between high-potential and low-potential power lines to drive the light emitting element in response to a voltage supplied to a first node, a first program transistor for supplying a data voltage of a data line to a second node in response to a scan signal of a scan line, a second program transistor for supplying a reference voltage from a reference voltage supply line to the first node in response to the scan signal of the scan line, a merge transistor for connecting the first and second nodes in response to a merge signal of a merge line, a storage capacitor connected between a third node and the second node interposed between the driving transistor and the light emitting element to store a voltage which corresponds to the data voltage in which the threshold voltage is compensated, and first and second reset transistors for initializing at least two of the first, second, and third nodes to an initialization voltage of an initialization voltage line in response to a reset signal of a reset line.

    Abstract translation: AMOLED显示装置的电压补偿型像素电路包括串联连接到高电位和低电位电源线之间的发光元件的驱动晶体管，以响应于提供给第一节点的电压来驱动发光元件， 第一编程晶体管，用于响应于扫描线的扫描信号将数据线的数据电压提供给第二节点;第二编程晶体管，用于响应于所述第一节点从参考电压供应线向第一节点提供参考电压 扫描线的扫描信号，用于响应于合并线的合并信号连接第一和第二节点的合并晶体管，连接在介于驱动晶体管和发光元件之间的第三节点和第二节点之间的存储电容器 以存储与补偿阈值电压的数据电压对应的电压，以及用于初始化的第一和第二复位晶体管 响应于复位线的复位信号，第一，第二和第三节点中的至少两个到初始化电压线的初始化电压。

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