公开(公告)号：US09558692B2

公开(公告)日：2017-01-31

申请号：US14507668

申请日：2014-10-06

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Do-Ik Kim ,  Hak-Ki Choi

IPC: G09G3/00 ,  G09G3/32

CPC classification number: G09G3/3208 ,  G09G3/006 ,  G09G3/3225 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/0283 ,  G09G2330/021 ,  G09G2330/08 ,  G09G2330/12 ,  G09G2360/08

Abstract: An organic light emitting display device includes a display unit including pixels coupled to scan lines and data lines, first and second power lines coupled to the pixels, a DC-DC converter configured to output first and second power sources to the pixels via the first and second power lines, respectively, and a short-circuit-sensing circuit configured to detect whether a short-circuit between the first and second power lines occurs, and configured to control an operation of the DC-DC converter when the short-circuit is detected, wherein voltage levels of the first and second power sources are configured to be changed in a frame period, the frame period including a reverse voltage application period in which the voltage level of the second power source is higher than that of the first power source.

Abstract translation: 有机发光显示装置包括：显示单元，包括耦合到扫描线和数据线的像素，耦合到所述像素的第一和第二电力线; DC-DC转换器，被配置为经由所述第一和第二电压输出第一和第二电源到所述像素; 第二电源线和短路检测电路，其被配置为检测是否发生第一和第二电力线之间的短路，并且被配置为当检测到短路时控制DC-DC转换器的操作 其中，所述第一和第二电源的电压电平被配置为在帧周期中改变，所述帧周期包括其中所述第二电源的电压电平高于所述第一电源的电压电平的反向电压施加周期。

公开(公告)号：US09449551B2

公开(公告)日：2016-09-20

申请号：US13963971

申请日：2013-08-09

Applicant: Samsung Display Co., Ltd.

Inventor： Jae-Hoon Lee ,  Do-Ik Kim ,  Baek-Woon Lee

IPC: G09G3/3233 ,  G09G3/32 ,  G09G3/20

CPC classification number: G09G3/3233 ,  G09G3/2003 ,  G09G2300/0426 ,  G09G2320/0242 ,  G09G2330/00 ,  G09G2330/028

Abstract: An organic light emitting diode (OLED) display includes a display unit including first pixels emitting first color light, second pixels emitting second color light, and third pixels emitting third color light, and a power source voltage supplier supplying a driving voltage to the respective pixels of the display unit. The display further includes a first voltage wire transferring the driving voltage to the first pixels, a second voltage wire transferring the driving voltage to the second pixels, and a third voltage wire transferring the driving voltage to the third pixels. The first, second and third voltage wires being provided in a first layer. The display includes auxiliary voltage wires provided in a second layer different from the first layer. Contact areas between the first, second and third voltage wire and the auxiliary voltage wires are different from each other.

Abstract translation: 有机发光二极管（OLED）显示器包括：显示单元，包括发射第一色光的第一像素，发射第二色光的第二像素和发射第三色光的第三像素;以及电源电压供应器，向各个像素提供驱动电压 的显示单元。 显示器还包括将驱动电压传送到第一像素的第一电压线，将驱动电压传送到第二像素的第二电压线以及将驱动电压传送到第三像素的第三电压线。 第一，第二和第三电压线设置在第一层中。 显示器包括设置在与第一层不同的第二层中的辅助电压线。 第一，第二和第三电压线与辅助电压线之间的接触区彼此不同。

公开(公告)号：US10026356B2

公开(公告)日：2018-07-17

申请号：US14589952

申请日：2015-01-05

Applicant: Samsung Display Co., Ltd.

Inventor： Do-Ik Kim

IPC: G09G3/30 ,  G09G3/3208 ,  G09G3/20

Abstract: An organic light emitting display and a driving method of the organic light emitting display capable of reducing or minimizing power consumption. The driving method includes setting a number of selection times constituting one frame, and setting a number of unit times constituting the one frame. Each of the unit times includes j (j is a natural number of 2 or more) of the selection times. Scan signals are non-sequentially supplied to scan lines during each of the unit times. The one frame includes a number of subframes. Data signals for ones of the subframes having a same length are supplied corresponding to i (i is a natural number of 2 or more) consecutive ones of the scan signals.

公开(公告)号：US09722410B2

公开(公告)日：2017-08-01

申请号：US14529104

申请日：2014-10-30

Applicant: Samsung Display Co., Ltd.

Inventor： Do-Ik Kim

IPC: H02H3/08 ,  G09G3/20 ,  G06F1/28

CPC classification number: H02H3/08 ,  G06F1/28 ,  G09G3/20 ,  G09G2320/029 ,  G09G2330/00 ,  G09G2330/025 ,  G09G2330/027 ,  G09G2330/04

Abstract: A burning protection circuit of a display device includes a plurality of current measuring units and a control unit. The display device includes a plurality of pixel blocks. Each of the pixel blocks includes a plurality of pixels. The pixel blocks are respectively supplied with power through a plurality of power supply lines. The current measuring units are configured to respectively generate a plurality of measured current values by respectively measuring a plurality of currents respectively supplied to the pixel blocks through the power supply lines. The control unit is configured to respectively generate a plurality of block data for the pixel blocks based on pixel data for the pixels of corresponding ones of the pixel blocks, and determine whether an overcurrent occurs based on a plurality of ratios of the measured current values to corresponding ones of the block data.

公开(公告)号：US09202410B2

公开(公告)日：2015-12-01

申请号：US14059292

申请日：2013-10-21

Applicant: Samsung Display Co., Ltd.

Inventor： Do-Ik Kim

IPC: G09G3/32 ,  H05B33/08 ,  G09G3/20

CPC classification number: G09G3/3208 ,  G09G3/2022 ,  G09G3/3233 ,  G09G3/3291 ,  G09G2300/0833 ,  G09G2300/0842 ,  H05B33/0896 ,  Y02B20/342 ,  Y02B20/343 ,  Y02B20/346

Abstract: A pixel circuit and organic light emitting display device using the pixel circuit are disclosed. One aspect of the pixel circuit includes an organic light emitting diode, a switching transistor configured to transfer a data signal in response to a scan signal, a storage capacitor configured to store the data signal transferred through the switching transistor, an amplifying unit configured to amplify the data signal stored in the storage capacitor to generate an amplified signal having a swing range greater than a swing range of the data signal, and a driving transistor configured to drive the organic light emitting diode in response to the amplified signal.

Abstract translation: 公开了使用像素电路的像素电路和有机发光显示装置。 像素电路的一个方面包括有机发光二极管，配置为响应于扫描信号传送数据信号的开关晶体管，被配置为存储通过开关晶体管传送的数据信号的存储电容器，被配置为放大 存储在存储电容器中的数据信号，以产生具有大于数据信号的摆幅范围的摆动范围的放大信号;以及驱动晶体管，配置为响应于放大信号驱动有机发光二极管。

公开(公告)号：US20140313108A1

公开(公告)日：2014-10-23

申请号：US14229764

申请日：2014-03-28

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Do-Ik Kim ,  Baek-Woon Lee

IPC: G09G3/32

CPC classification number: G09G3/3266 ,  G09G2300/0408 ,  G09G2310/0218 ,  G09G2310/0283 ,  G09G2310/0291 ,  G09G2310/08 ,  G09G2320/0223

Abstract: A scan driver including a plurality of scan driving circuit units for outputting scan signals and a buffer unit for receiving a control signal input to a first scan driving circuit unit of the plurality of scan driving circuit units to output the received control signal to a second scan driving circuit unit of the plurality of scan driving circuit units.

Abstract translation: 一种扫描驱动器，包括用于输出扫描信号的多个扫描驱动电路单元和用于接收输入到多个扫描驱动电路单元中的第一扫描驱动电路单元的控制信号的缓冲单元，以将接收到的控制信号输出到第二扫描 多个扫描驱动电路单元的驱动电路单元。

公开(公告)号：US20150229117A1

公开(公告)日：2015-08-13

申请号：US14529104

申请日：2014-10-30

Applicant: Samsung Display Co., Ltd.

Inventor： Do-Ik Kim

IPC: H02H3/08 ,  G06F1/28 ,  G09G3/20

CPC classification number: H02H3/08 ,  G06F1/28 ,  G09G3/20 ,  G09G2320/029 ,  G09G2330/00 ,  G09G2330/025 ,  G09G2330/027 ,  G09G2330/04

Abstract: A burning protection circuit of a display device includes a plurality of current measuring units and a control unit. The display device includes a plurality of pixel blocks. Each of the pixel blocks includes a plurality of pixels. The pixel blocks are respectively supplied with power through a plurality of power supply lines. The current measuring units are configured to respectively generate a plurality of measured current values by respectively measuring a plurality of currents respectively supplied to the pixel blocks through the power supply lines. The control unit is configured to respectively generate a plurality of block data for the pixel blocks based on pixel data for the pixels of corresponding ones of the pixel blocks, and determine whether an overcurrent occurs based on a plurality of ratios of the measured current values to corresponding ones of the block data.

Abstract translation: 显示装置的燃烧保护电路包括多个电流测量单元和控制单元。 显示装置包括多个像素块。 每个像素块包括多个像素。 像素块分别通过多条电源线供电。 电流测量单元被配置为分别通过电源线分别测量分别提供给像素块的多个电流来产生多个测量电流值。 所述控制单元被配置为基于所述像素块的像素的像素数据分别生成所述像素块的多个块数据，并且基于所测量的当前值的多个比率来确定是否发生过电流 相应的块数据。

公开(公告)号：US20150138050A1

公开(公告)日：2015-05-21

申请号：US14539665

申请日：2014-11-12

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Do-Ik Kim

IPC: H04N13/04 ,  G09G3/32

CPC classification number: H04N13/341 ,  G09G3/003 ,  G09G3/2022 ,  G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2300/0866 ,  G09G2310/08 ,  G09G2320/0209 ,  G09G2320/064

Abstract: An organic light emitting display includes: pixels respectively positioned in areas defined by scan lines and data lines; a scan driver configured to non-sequentially supply a scan signal to the scan lines, and to control a signal supplied by a first control line commonly coupled to the pixels so that the pixels are set in a non-emission state during a first period that is a partial period of an i (i is a natural number) frame and during a first period that is a partial period of an (i+2) frame; a data driver configured to supply a left data signal to the data lines during the i frame and during an (i+1) frame, and to supply a right data signal to the data lines during the (i+2) frame and during an (i+3) frame; and a timing controller configured to control the scan driver and the data driver, and to supply data to the data driver, wherein each of the (i+1) frame and the (i+3) frame is a period shorter than that of the i frame.

Abstract translation: 有机发光显示器包括：分别位于由扫描线和数据线限定的区域中的像素; 扫描驱动器，被配置为向扫描线不顺序地提供扫描信号，并且控制由通常耦合到像素的第一控制线提供的信号，使得在第一时段期间将像素设置为非发射状态， 是i（i是自然数）帧的部分周期，并且在作为（i + 2）帧的部分周期的第一周期期间; 数据驱动器，被配置为在第i帧期间和第（i + 1）帧期间向数据线提供左数据信号，并且在（i + 2）帧期间和在（i + 2）帧期间向数据线提供正确的数据信号 （i + 3）帧; 以及定时控制器，其被配置为控制所述扫描驱动器和所述数据驱动器，并且向所述数据驱动器提供数据，其中，所述（i + 1）帧和所述（i + 3）帧中的每一个是比所述 我框架

公开(公告)号：US20150116302A1

公开(公告)日：2015-04-30

申请号：US14507668

申请日：2014-10-06

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Do-Ik Kim ,  Hak-Ki Choi

IPC: G09G3/32 ,  G09G3/00

CPC classification number: G09G3/3208 ,  G09G3/006 ,  G09G3/3225 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/0283 ,  G09G2330/021 ,  G09G2330/08 ,  G09G2330/12 ,  G09G2360/08

Abstract: An organic light emitting display device includes a display unit including pixels coupled to scan lines and data lines, first and second power lines coupled to the pixels, a DC-DC converter configured to output first and second power sources to the pixels via the first and second power lines, respectively, and a short-circuit-sensing circuit configured to detect whether a short-circuit between the first and second power lines occurs, and configured to control an operation of the DC-DC converter when the short-circuit is detected, wherein voltage levels of the first and second power sources are configured to be changed in a frame period, the frame period including a reverse voltage application period in which the voltage level of the second power source is higher than that of the first power source.

Abstract translation: 有机发光显示装置包括：显示单元，包括耦合到扫描线和数据线的像素，耦合到所述像素的第一和第二电力线; DC-DC转换器，被配置为经由所述第一和第二电压输出第一和第二电源到所述像素; 第二电源线和短路检测电路，其被配置为检测是否发生第一和第二电力线之间的短路，并且被配置为当检测到短路时控制DC-DC转换器的操作 其中，所述第一和第二电源的电压电平被配置为在帧周期中改变，所述帧周期包括其中所述第二电源的电压电平高于所述第一电源的电压电平的反向电压施加周期。

公开(公告)号：US08953001B2

公开(公告)日：2015-02-10

申请号：US13661196

申请日：2012-10-26

Applicant: Samsung Display Co., Ltd.

Inventor： Do-Ik Kim

IPC: G09G3/30

CPC classification number: G09G3/32 ,  G09G3/2029 ,  G09G2310/0216 ,  G09G2310/061 ,  G09G2310/08 ,  G09G2320/0261 ,  G09G2320/0266 ,  G09G2330/021 ,  G09G2360/16

Abstract: A method of digital-driving an organic light emitting display device, which divides one frame into a plurality of sub-frames, is provided. In this method, a total number of scan operations, which are to be performed during the frame, is calculated based on a number of scan-lines and a number of the sub-frames, an emission time of each of the sub-frames is set based on a gray level maximum value and the total number of the scan operations, the emission times of the sub-frames are modified by permitting errors to the emission times of the sub-frames to control a sum of the emission times of the sub-frames to be equal to the total number of the scan operations, and each sub-frame scan timing of the scan-lines is sequentially shifted by N horizontal scan intervals, where N is the number of the sub-frames.

Abstract translation: 提供一种数字驱动将一帧分割成多个子帧的有机发光显示装置的方法。 在该方法中，基于扫描线和子帧数量来计算在帧期间要执行的扫描操作的总数，每个子帧的发射时间是 基于灰度级最大值和扫描操作的总数进行设置，通过允许子帧的发射时间的错误来控制子帧的发射次数来修改子帧的发射次数，以控制子帧的发射次数之和 帧等于扫描操作的总数，并且扫描线的每个子帧扫描定时顺序地移位N个水平扫描间隔，其中N是子帧的数目。