公开(公告)号：US20140176524A1

公开(公告)日：2014-06-26

申请号：US14108357

申请日：2013-12-17

Applicant: LG Display Co., Ltd.

Inventor： Ji Eun Lee ,  Joong Sun Yoon ,  Seon Mi Lee ,  Boeon Byeon

IPC: G09G3/32

CPC classification number: G09G3/3233 ,  G09G2330/02 ,  G09G2330/04 ,  G09G2330/10 ,  G09G2330/12

Abstract: Disclosed is an organic light emitting display device. The organic light emitting display device includes a panel in which a plurality of pixels are respectively formed in intersection areas between a plurality of gate lines and a plurality of data lines formed in an active area, a pixel circuit is included in each of the pixels, and a plurality of power lines are formed for supplying power to drive the pixel circuit; a gate driving IC configured to supply a scan signal to the gate lines, a power supply configured to supply the power to the power lines, a detection unit configured to detect a panel abnormality in the active area by using a sensing signal collected through a sensing line electrically connected to a corresponding gate line, and a controller configured to control driving of the power supply according to the detection result of the detection unit.

Abstract translation: 公开了一种有机发光显示装置。 有机发光显示装置包括其中多个像素分别形成在多个栅极线和形成在有源区域中的多个数据线之间的交叉区域中的面板，像素电路包括在每个像素中， 并且形成多个电力线以供电以驱动像素电路; 被配置为向栅极线提供扫描信号的栅极驱动IC，被配置为向电力线提供电力的电源;检测单元，被配置为通过使用通过感测收集的感测信号来检测有源区域中的面板异常 所述控制器被配置为根据所述检测单元的检测结果控制所述电源的驱动。

公开(公告)号：US20190051237A1

公开(公告)日：2019-02-14

申请号：US15819931

申请日：2017-11-21

Applicant: LG Display Co., Ltd.

Inventor： Boeon Byeon

IPC: G09G3/3225 ,  G09G3/3275 ,  G09G3/3266

Abstract: An organic light emitting display device that mitigates a connection restriction between a timing controller and a memory is disclosed. The organic light emitting display device comprises a display panel on which organic light emitting diodes and driving transistors that drive the organic light emitting diodes are arranged; a data driver that generates sensing data based on respective threshold voltages of the driving transistors and respective degradation levels of the organic light emitting diodes; a timing controller that generates compensation data, which may be used to perform external compensation and blur compensation, based on the sensing data and outputs the compensation data; a bridge circuit that receives the compensation data from the timing controller; and a memory that receives the compensation data from the bridge circuit. The bridge circuit and the memory are packaged in a source printed circuit board. The bridge circuit receives a clock generated within the timing controller, a command input from an external host system, and the compensation data in a differential signal mode.

公开(公告)号：US09715848B2

公开(公告)日：2017-07-25

申请号：US14102760

申请日：2013-12-11

Applicant: LG Display Co., Ltd.

Inventor： Hyung Rae Kim ,  Seung Chan Byun ,  Jung Yoon Yi ,  Kyoung Sik Choi ,  Dae Hyeon Park ,  Ui Taek Jeong ,  Boeon Byeon

IPC: G09G3/32 ,  G09G3/3208 ,  G09G3/3233 ,  G09G3/3275

CPC classification number: G09G3/3208 ,  G09G3/3233 ,  G09G3/3275 ,  G09G2300/0842 ,  G09G2320/043 ,  G09G2320/048 ,  G09G2360/16

Abstract: An organic light emitting display device includes a display panel having a plurality of sub-pixels; a memory configured to accumulate and store data displayed by each sub-pixel; and a panel driver configured to: calculate a degradation compensation gain value for increasing or decreasing a luminance of each sub-pixel based on accumulated data of each sub-pixel stored in the memory, generate modulated data of each sub-pixel by modulating input data to each sub-pixel according to the calculated degradation compensation gain value, convert the modulated data into a data voltage, and accumulate the modulated data from the accumulated data of the corresponding sub-pixel and then store the data in the memory.

公开(公告)号：US11568808B2

公开(公告)日：2023-01-31

申请号：US14524733

申请日：2014-10-27

Applicant: LG DISPLAY CO., LTD.

Inventor： JongSik Shim ,  MooKyoung Hong ,  Boeon Byeon

IPC: G09G3/3233

Abstract: The present invention relates to an organic light emitting display device that changes a reference voltage commonly applied to a driving transistor in all pixels, based on a characteristic value sensed according to each pixel.

公开(公告)号：US10204549B1

公开(公告)日：2019-02-12

申请号：US15819931

申请日：2017-11-21

Applicant: LG Display Co., Ltd.

Inventor： Boeon Byeon

IPC: G09G3/30 ,  G09G3/3225 ,  G09G3/3275 ,  G09G3/3266

Abstract: An organic light emitting display device that mitigates a connection restriction between a timing controller and a memory is disclosed. The organic light emitting display device comprises a display panel on which organic light emitting diodes and driving transistors that drive the organic light emitting diodes are arranged; a data driver that generates sensing data based on respective threshold voltages of the driving transistors and respective degradation levels of the organic light emitting diodes; a timing controller that generates compensation data, which may be used to perform external compensation and blur compensation, based on the sensing data and outputs the compensation data; a bridge circuit that receives the compensation data from the timing controller; and a memory that receives the compensation data from the bridge circuit. The bridge circuit and the memory are packaged in a source printed circuit board. The bridge circuit receives a clock generated within the timing controller, a command input from an external host system, and the compensation data in a differential signal mode.

公开(公告)号：US09478156B2

公开(公告)日：2016-10-25

申请号：US14055531

申请日：2013-10-16

Applicant: LG Display Co., Ltd.

Inventor： Uitaek Jeong ,  Boeon Byeon

IPC: G09G3/36 ,  G09G3/20 ,  G09G3/32

CPC classification number: G09G3/2003 ,  G09G3/3225 ,  G09G2300/0452 ,  G09G2320/0285 ,  G09G2320/048 ,  G09G2320/0666 ,  G09G2340/06

Abstract: Disclosed is an organic light emitting display device. The organic light emitting display device includes a display panel arranged to include a plurality of unit pixels having red, green, blue, and white sub-pixels, a four-color data converter configured to convert input data of red, green, and blue of each unit pixel into data of red, green, blue, and white respectively corresponding to the red, green, blue, and white sub-pixels, and a panel driver configured to accumulate data of each of the sub-pixels at every accumulation period, store the accumulated data in a memory, decide a color correction mode for correcting a color of each unit pixel on the basis of the accumulated data of the white sub-pixel stored in the memory, drive the white sub-pixel of each unit pixel according to the decided color correction mode, and selectively drive the red, green, and blue sub-pixels.

Abstract translation: 公开了一种有机发光显示装置。 有机发光显示装置包括布置成包括多个具有红色，绿色，蓝色和白色子像素的单位像素的显示面板，四色数据转换器，被配置为将红色，绿色和蓝色子像素的输入数据转换成 每个单位像素分别对应于红色，绿色，蓝色和白色子像素的红色，绿色，蓝色和白色的数据，以及面板驱动器，被配置为在每个累积周期累积每个子像素的数据， 将累积的数据存储在存储器中，根据存储在存储器中的白色子像素的累积数据，确定用于校正每个单位像素的颜色的颜色校正模式，按照每个单位像素的白色子像素驱动每个单位像素的白色子像素 到确定的颜色校正模式，并且选择性地驱动红色，绿色和蓝色子像素。

公开(公告)号：US09449552B2

公开(公告)日：2016-09-20

申请号：US14108357

申请日：2013-12-17

Applicant: LG Display Co., Ltd.

Inventor： Ji Eun Lee ,  Joong Sun Yoon ,  Seon Mi Lee ,  Boeon Byeon

IPC: G09G3/32

CPC classification number: G09G3/3233 ,  G09G2330/02 ,  G09G2330/04 ,  G09G2330/10 ,  G09G2330/12

Abstract: Disclosed is an organic light emitting display device. The organic light emitting display device includes a panel in which a plurality of pixels are respectively formed in intersection areas between a plurality of gate lines and a plurality of data lines formed in an active area, a pixel circuit is included in each of the pixels, and a plurality of power lines are formed for supplying power to drive the pixel circuit; a gate driving IC configured to supply a scan signal to the gate lines, a power supply configured to supply the power to the power lines, a detection unit configured to detect a panel abnormality in the active area by using a sensing signal collected through a sensing line electrically connected to a corresponding gate line, and a controller configured to control driving of the power supply according to the detection result of the detection unit.

Abstract translation: 公开了一种有机发光显示装置。 有机发光显示装置包括其中多个像素分别形成在多个栅极线和形成在有源区域中的多个数据线之间的交叉区域中的面板，像素电路包括在每个像素中， 并且形成多个电力线以供电以驱动像素电路; 被配置为向栅极线提供扫描信号的栅极驱动IC，被配置为向电力线提供电力的电源;检测单元，被配置为通过使用通过感测收集的感测信号来检测有源区域中的面板异常 所述控制器被配置为根据所述检测单元的检测结果控制所述电源的驱动。

公开(公告)号：US09230478B2

公开(公告)日：2016-01-05

申请号：US14055389

申请日：2013-10-16

Applicant: LG Display Co., Ltd.

Inventor： Boeon Byeon ,  Seungchan Byun ,  Kyoungsik Choi

IPC: G09G3/32

CPC classification number: G09G3/3233 ,  G09G2300/0842 ,  G09G2320/0295 ,  G09G2320/048

Abstract: Disclosed is an organic light emitting display device that displays images with uniform luminance by compensating degradation of organic light emitting diode, and a method for driving the same. The device comprises a display panel with sub-pixels, each sub-pixel having an organic light emitting diode for emitting light; a memory which stores accumulated data of each sub-pixel; and a panel driver which calculates an individual compensation gain value for each sub-pixel and a global compensation gain value for all the sub-pixels in common based on the accumulated data of sub-pixel, modulates input data for each sub-pixel through the individual compensation gain value and global compensation gain value, converts the modulated data into a data voltage, and accumulates the modulated data on the accumulated data of the corresponding sub-pixel and stores the obtained data in the memory.

Abstract translation: 公开了一种通过补偿有机发光二极管的劣化来显示具有均匀亮度的图像的有机发光显示装置及其驱动方法。 该装置包括具有子像素的显示面板，每个子像素具有用于发光的有机发光二极管; 存储器，其存储每个子像素的累积数据; 以及面板驱动器，其基于所述子像素的累积数据计算针对所有子像素的每个子像素的单独补偿增益值和全局补偿增益值，通过所述子像素的每个子像素调制输入数据 单独的补偿增益值和全局补偿增益值，将调制数据转换为数据电压，并将调制数据累加在相应子像素的累积数据上，并将获得的数据存储在存储器中。

公开(公告)号：US20140168039A1

公开(公告)日：2014-06-19

申请号：US14102760

申请日：2013-12-11

Applicant: LG DISPLAY CO., LTD.

Inventor： Hyung Rae Kim ,  Seung Chan Byun ,  Jung Yoon Yi ,  Kyoung Sik Choi ,  Dae Hyeon Park ,  Ui Taek Jeong ,  Boeon Byeon

IPC: G09G3/32

CPC classification number: G09G3/3208 ,  G09G3/3233 ,  G09G3/3275 ,  G09G2300/0842 ,  G09G2320/043 ,  G09G2320/048 ,  G09G2360/16

Abstract: An organic light emitting display device includes a display panel having a plurality of sub-pixels; a memory configured to accumulate and store data displayed by each sub-pixel; and a panel driver configured to: calculate a degradation compensation gain value for increasing or decreasing a luminance of each sub-pixel based on accumulated data of each sub-pixel stored in the memory, generate modulated data of each sub-pixel by modulating input data to each sub-pixel according to the calculated degradation compensation gain value, convert the modulated data into a data voltage, and accumulate the modulated data from the accumulated data of the corresponding sub-pixel and then store the data in the memory.

Abstract translation: 有机发光显示装置包括具有多个子像素的显示面板; 存储器，被配置为累积和存储由每个子像素显示的数据; 以及面板驱动器，被配置为：基于存储在存储器中的每个子像素的累积数据，计算用于增加或减少每个子像素的亮度的劣化补偿增益值，通过调制输入数据生成每个子像素的调制数据 根据计算出的劣化补偿增益值将每个子像素转换为每个子像素，将调制数据转换为数据电压，并从相应子像素的累积数据累加调制数据，然后将数据存储在存储器中。