公开(公告)号：US07358939B2

公开(公告)日：2008-04-15

申请号：US10902226

申请日：2004-07-28

申请人： Chang Oon Kim ,  Chan Young Jeong ,  Young Seok Sohn ,  Jeong Hwan Lee

发明人： Chang Oon Kim ,  Chan Young Jeong ,  Young Seok Sohn ,  Jeong Hwan Lee

IPC分类号： G09G3/30 ,  G06F3/038

CPC分类号： G09G3/3216 ,  G09G3/3266 ,  G09G2320/0209 ,  G09G2320/0285 ,  G09G2360/16

摘要： An organic light-emitting diode display driver adjusts the display scan period of the current driving the organic light-emitting diodes of a selected row based upon the sum of the display data corresponding to the selected row, thereby removing crosstalk in the OLED display panel. The driver includes an adder for adding the display data corresponding to the selected row and a scan period look-up table storing display scan period values. The scan period look-up table is configured such that it outputs display scan period values substantially proportional or inversely proportional to the sum of the display data to remove bright crosstalk or dark crosstalk, respectively, in the OLED display panel.

摘要翻译： 有机发光二极管显示驱动器基于与所选择的行相对应的显示数据的总和来调整驱动所选行的有机发光二极管的电流的显示扫描周期，从而消除OLED显示面板中的串扰。 该驱动器包括一个加法器，用于将与所选择的行相对应的显示数据和用于存储显示扫描周期值的扫描周期查询表相加。 扫描周期查找表被配置为使得其显示显示扫描周期值，其基本上与显示数据之和成比例或成反比，以分别在OLED显示面板中消除亮串扰或暗串扰。

公开(公告)号：US20070279333A1

公开(公告)日：2007-12-06

申请号：US11445125

申请日：2006-05-31

申请人： Chang Oon Kim

发明人： Chang Oon Kim

IPC分类号： G09G3/30

CPC分类号： G09G3/3283 ,  G09G3/2014 ,  G09G3/3216

摘要： An OLED driver circuit includes a plurality of current sources, where each current source comprises a first reference current generation circuit generating a first reference current, a second reference current generation circuit generating a second reference current, a first set of transistors coupled to the first reference current generation circuit and generating a first drive current based upon the first reference current in response to a first part of display data, and a second set of transistors coupled to the second reference current generation circuit and generating a second drive current based upon the second reference current in response to a second part of the display data. The first drive current and the second drive current are combined to generate the column drive current for driving OLED coupled to the column associated with said each current source. The second reference current is greater than the first reference current.

摘要翻译： OLED驱动器电路包括多个电流源，其中每个电流源包括产生第一参考电流的第一参考电流产生电路，产生第二参考电流的第二参考电流产生电路，耦合到第一参考电压的第一组晶体管 电流产生电路，并且响应于第一部分显示数据产生基于第一参考电流的第一驱动电流，以及耦合到第二参考电流产生电路的第二组晶体管，并且基于第二参考产生第二驱动电流 响应于显示数据的第二部分的电流。 组合第一驱动电流和第二驱动电流以产生用于驱动耦合到与所述每个电流源相关联的列的OLED的列驱动电流。 第二参考电流大于第一参考电流。

公开(公告)号：US06331847B1

公开(公告)日：2001-12-18

申请号：US09290375

申请日：1999-04-12

申请人： Chang-oon Kim ,  Kyune-hee Lee

发明人： Chang-oon Kim ,  Kyune-hee Lee

IPC分类号： G09G336

CPC分类号： G09G3/2011 ,  G09G3/3688 ,  G09G2310/027 ,  G09G2310/0291

摘要： TFT-LCD devices having improved data line driver circuits therein comprise an follower amplifier which drives a data line of a panel “hard” during a first portion of a selection time interval (when a strong pull-up or pull-down is required) and a transmission gate which performs a “soft” pull-up or pull-down of the data line to a desired gray level voltage during a second portion of the selection time interval. The “soft” pull-up or pull-down can be utilized to reduce the offset margins of gray level voltages to within ±5 mV.

摘要翻译： 具有改进的数据线驱动电路的TFT-LCD装置包括在选择时间间隔的第一部分（当需要强上拉或下拉时）的情况下驱动面板的数据线“硬”的跟随放大器，以及 传输门，其在选择时间间隔的第二部分期间执行数据线的“软”上拉或下拉到期望的灰度级电压。 可以使用“软”上拉或下拉将灰度级电压的偏移余量降低到±5 mV以内。

公开(公告)号：US07298351B2

公开(公告)日：2007-11-20

申请号：US10884721

申请日：2004-07-01

申请人： Chang Oon Kim

发明人： Chang Oon Kim

IPC分类号： G09G3/34

CPC分类号： G09G3/3216 ,  G09G3/3266 ,  G09G3/3275 ,  G09G2310/0256 ,  G09G2320/0209 ,  G09G2320/0223 ,  G09G2320/043

摘要： A driver includes a plurality of variable resistors each coupled to a corresponding one of the rows of the organic light-emitting diode display panel, generally between Ground (GND) and the cathodes of the OLEDs on the rows. A variable resistor controller in the driver is coupled to the variable resistors, and adjusts the resistance of the variable resistor coupled to the selected row based upon the display data corresponding to the selected row. The variable resistor controller adjusts the resistance of the variable resistor coupled to the selected row to be inversely proportional to the sum of the display data corresponding to the selected row.

摘要翻译： 驱动器包括多个可变电阻器，每个可变电阻器耦合到有机发光二极管显示面板的相应行之一，通常在地（GND）和行上的OLED的阴极之间。 驱动器中的可变电阻器控制器耦合到可变电阻器，并且基于对应于所选择的行的显示数据来调整耦合到所选择的行的可变电阻器的电阻。 可变电阻器控制器将耦合到所选行的可变电阻器的电阻调整成与对应于所选择的行的显示数据的和成反比。

公开(公告)号：US07046222B2

公开(公告)日：2006-05-16

申请号：US10232575

申请日：2002-08-30

申请人： Chang Oon Kim ,  Keunmyung Lee

发明人： Chang Oon Kim ,  Keunmyung Lee

IPC分类号： G09G3/32

CPC分类号： G09G3/3216 ,  G09G3/3275 ,  G09G2300/0408 ,  G09G2300/0426 ,  G09G2310/0221 ,  G09G2320/0223 ,  G09G2320/043

摘要： A single scan driver for an organic light emitting diode (OLED) display is disclosed, that can reduce the required power consumption. By connecting together both ends of each column line so that a single driver circuit can drive both ends of each column line together, the column line resistance is reduced, resulting in a significant reduction in power consumption.

摘要翻译： 公开了用于有机发光二极管（OLED）显示器的单个扫描驱动器，其可以减少所需的功率消耗。 通过将每个列线的两端连接在一起，使得单个驱动器电路可以将每列列线的两端驱动在一起，减小列线电阻，导致功耗的显着降低。