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    • 23. 发明公开
    • 전압 공급 회로 및 이를 포함하는 전계발광 디스플레이 장치
    • 电源电路和电致发光显示装置,包括它们
    • KR1020160007891A
    • 2016-01-21
    • KR1020140085428
    • 2014-07-08
    • 삼성디스플레이 주식회사
    • 박성천
    • G09G3/30G09G3/32
    • H05B33/0896G09G3/3696G09G2330/028
    • 전압공급회로는, 제1 전압컨버터및 제2 전압컨버터를포함한다. 상기제1 전압컨버터는입력전압에기초하여양의전압레벨을갖는제1 전원전압을발생하여상기제1 전원전압으로제1 전원노드를구동한다. 상기제2 전압컨버터는제1 모드에서상기입력전압에기초하여음의전압레벨을갖는제2 전원전압을발생하여상기제2 전원전압으로제2 전원노드를구동하고, 제2 모드에서접지전압으로상기제2 전원노드를구동한다. 음의전압레벨을갖는전원전압을발생하는전압컨버터를턴오프시키고상기전원전압을접지전압으로대체함으로써소비전력을감소할수 있다.
    • 电源电路包括第一电压转换器和第二电压转换器。 第一电压转换器基于输入电压产生具有正电压电平的第一电源电压,并且以第一电源电压驱动第一电源节点。 第二电压转换器基于输入电压产生具有负电压电平的第二电源电压,并且以第一模式驱动具有第二电源电压的第二电力节点,并以第二模式以接地电压驱动第二电力节点 。 产生具有负电压电平的电源电压的电压转换器被关断。 然后,用接地电压代替电源电压。 从而能够降低功耗。
    • 24. 发明公开
    • 유기전계발광 표시장치 및 그의 구동방법
    • 有机发光显示及其驱动方法
    • KR1020150005246A
    • 2015-01-14
    • KR1020130078908
    • 2013-07-05
    • 삼성디스플레이 주식회사
    • 박성천
    • G09G3/32
    • G09G3/3258G09G3/3233G09G3/3266G09G3/3291G09G2300/0866G09G2330/028
    • 본 발명은 주사선들 및 데이터선들과 접속되는 다수의 화소들; 상기 주사선들을 통해 화소들로 주사신호를 공급하는 주사 구동부; 상기 데이터선들을 통해 화소들로 데이터신호를 공급하는 데이터 구동부; 상기 화소들로 제1 전압과 제2 전압을 공급하고, 상기 주사 구동부 및 상기 데이터 구동부 중 적어도 하나로 제3 전압을 공급하는 전원 공급부; 를 포함하고, 상기 전원 공급부는, 입력전압을 상기 제1 전압으로 변환하는 제1 컨버터, 상기 입력전압을 상기 제2 전압으로 변환하는 제2 컨버터, 상기 제1 컨버터에서 생성된 제1 전압을 입력받아 상기 제3 전압으로 변환하는 제3 컨버터 및 상기 제1 컨버터에서 생성된 제1 전압의 상기 화소들로의 공급 여부를 제어하는 셧다운 스위치를 포함하는 유기전계발광 표시장치 및 그의 구동방법에 관한 것이다. 본 발명에 따르면, 전압 변환 효율을 증가시키고, 화질 이상을 방지하기 위한 유기전계발광 표시장치 및 그의 구동방법을 제공할 수 있다.
    • 本发明涉及一种有机电致发光显示装置及其驱动方法。 有机电致发光显示装置包括:连接到扫描线和数据线的多个像素; 扫描驱动单元,其通过扫描线向像素提供扫描信号; 数据驱动单元,通过数据线向像素提供数据信号; 以及电源单元,其向所述像素提供第一电压和第二电压,并且向所述扫描驱动单元和所述数据驱动单元中的至少一个提供第三电压。 电源单元包括:将输入电压转换为第一电压的第一转换器; 将输入电压转换成第二电压的第二转换器; 第三转换器,其接收从第一转换器产生的第一电压并将第一电压转换成第三电压; 以及关闭开关,其控制从第一转换器产生的第一电压是否被提供给像素。 根据本发明,可以提高电压转换效率并防止图像质量的故障。
    • 25. 发明公开
    • 유기전계발광 표시장치
    • 有机发光显示
    • KR1020140104739A
    • 2014-08-29
    • KR1020130018613
    • 2013-02-21
    • 삼성디스플레이 주식회사
    • 권순기박성천
    • G09G3/30H01L51/50
    • H01L27/3279G09G3/3233G09G2300/0426G09G2330/02G09G2330/028H01L27/3276H01L27/3246H01L27/326H01L27/3267H01L51/0097
    • The present invention relates an organic light emitting display device which comprises a display panel which includes a scanning line, a data line, a first power line, and multiple pixels; a power supply part located in the outside of the display panel and supplying a first power to the display panel through a connection member; and a connection member including a first connecting part and a second connecting part electrically connected with the first power line of the display panel respectively, a first connecting line and a second connecting line delivering the first power supplied from the power supply part to the first connecting part and the second connecting part respectively, and a feedback line delivering voltage of the second connecting part to the power supply part. According to the present invention, provided is an organic light emitting display device which precisely controls the voltage of output power and prevents degradation of luminance of the display device.
    • 本发明涉及一种包括扫描线,数据线,第一电源线和多个像素的显示面板的有机发光显示装置。 位于所述显示面板的外部的供电部件,并且通过连接部件向所述显示面板供给第一电力; 以及连接构件,包括分别与显示面板的第一电力线电连接的第一连接部分和第二连接部分,第一连接线和第二连接线,将从电源部分供应的第一电力传送到第一连接 部分和第二连接部分以及将第二连接部分的电压输送到电源部分的反馈线。 根据本发明,提供了精确地控制输出功率的电压并防止显示装置的亮度劣化的有机发光显示装置。
    • 26. 发明公开
    • 유기전계발광 표시장치
    • 有机发光显示
    • KR1020140054760A
    • 2014-05-09
    • KR1020120120646
    • 2012-10-29
    • 삼성디스플레이 주식회사
    • 박성천
    • G09G3/30
    • G09G3/3233G09G2300/0828G09G2300/0842G09G2320/0247G09G2330/00
    • The present invention relates to an organic electroluminescence display device, comprising: a plurality of pixels connected to scan lines and data lines; a scan driving unit to supply a scan signal to the pixels through the scan lines according to a preset scan frequency; a data driving unit to supply data signal to the pixels through the data lines; and a first switching regulator to supply a first voltage to the pixels and whose switching frequency is variable. The switching frequency of the first switching regulator is varied while avoiding the scan frequency of the scan driving unit. According to the present invention, it is possible to increase the efficiency of power conversion and reduce a flicker phenomenon.
    • 本发明涉及一种有机电致发光显示装置,包括:连接到扫描线和数据线的多个像素; 扫描驱动单元,其根据预设的扫描频率通过扫描线向扫描线提供扫描信号; 数据驱动单元,通过数据线向像素提供数据信号; 以及向所述像素提供第一电压并且其开关频率可变的第一开关调节器。 改变第一开关调节器的开关频率,同时避免扫描驱动单元的扫描频率。 根据本发明,可以提高功率转换的效率并减少闪烁现象。
    • 27. 发明公开
    • 유기전계발광 표시장치 및 그의 구동방법
    • 有机发光显示及其驱动方法
    • KR1020130101814A
    • 2013-09-16
    • KR1020120022841
    • 2012-03-06
    • 삼성디스플레이 주식회사
    • 서정민박성천
    • G09G3/30
    • G09G3/3208G09G3/3225G09G2300/0842G09G2330/028G09G2330/04H02M3/158
    • PURPOSE: An organic electroluminescence display device and an operating method thereof prevent additional damage, such as fire, due to a short circuit by detecting the short circuit between power lines or each of the power lines and other wires. CONSTITUTION: An organic electroluminescence display device is connected to scanning lines and data lines and includes a pixel part including pixels receiving first power and second power and a DC-DC converter (60) generating and supplying the first power and the second power to the pixel part. The DC-DC converter includes a first power generating part (110) generating the first power by receiving input power and outputting the first power to a first output terminal; a second power generating part (120) generating the second power by receiving the input power and outputting the second power to a second output terminal; a control part (130) controlling the operation of the first power generating part and the second power generating part; a first short circuit detecting part (140) outputting a first short circuit detecting signal to the control part when the voltage of the first output terminal is more than a first reference voltage; and a second short circuit detecting part (150) outputting a second short circuit detecting signal to the control part when the voltage of the second output terminal is more than a second reference voltage. [Reference numerals] (110) First power generating part; (120) Second power generating part; (130) Control part; (140) First short circuit detecting part; (150) Second short circuit detecting part; (70) Power supply
    • 目的:一种有机电致发光显示装置及其操作方法,通过检测电力线或每条电力线等电线之间的短路,防止由于短路引起的额外的火灾等。 构成:有机电致发光显示装置连接到扫描线和数据线,并且包括包括接收第一电力和第二电力的像素的像素部分以及产生并提供第一电力和第二电力的像素的DC-DC转换器(60) 部分。 DC-DC转换器包括通过接收输入电力产生第一功率并将第一功率输出到第一输出端的第一发电部分(110) 第二发电部分(120),通过接收输入功率并将第二功率输出到第二输出端产生第二功率; 控制部,控制第一发电部和第二发电部的动作; 当第一输出端子的电压大于第一参考电压时,第一短路检测部分(140)将第一短路检测信号输出到控制部分; 以及当所述第二输出端子的电压大于第二参考电压时,将第二短路检测信号输出到所述控制部分的第二短路检测部分(150)。 (附图标记)(110)第一发电部; (120)第二发电部; (130)控制部分; (140)第一短路检测部; (150)第二短路检测部; (70)电源
    • 28. 发明公开
    • DC-DC 컨버터 및 이를 포함한 유기전계발광 표시장치
    • DC-DC转换器和有机发光显示器,包括它们
    • KR1020130003246A
    • 2013-01-09
    • KR1020110064433
    • 2011-06-30
    • 삼성디스플레이 주식회사
    • 박성천
    • G09G3/30H02M3/00
    • H02M3/156G09G3/3225G09G2300/0426G09G2330/026G09G2330/028
    • PURPOSE: A DC-DC converter and an organic electroluminescent display device including the same are provided to rapidly cease a start by sensing a short circuit between power sources. CONSTITUTION: A pixel part(20) includes pixels(10). A scan driver(30) supplies a scanning signal to each pixel. A data driver(40) supplies a data signal to each pixel. A DC-DC converter(60) supplies first and power sources to each pixel. A timing controller(50) controls the scan driver and the data driver. A boost converter includes a first switching element, a second switching element, and a first inductor. An inverter converter includes a third switching element, a fourth switching element, and a second inductor. A switching controller controls the switching elements. A current sensor senses a current amount flowing through the first inductor. The current sensor supplies a first limited signal to the switching controller. [Reference numerals] (30) Scan driver; (40) Data driver; (50) Timing controller; (60) DC-DC converter; (70) Power source
    • 目的:提供DC-DC转换器和包括该DC-DC转换器的有机电致发光显示装置,以通过感测电源之间的短路来快速停止启动。 构成:像素部分(20)包括像素(10)。 扫描驱动器(30)向每个像素提供扫描信号。 数据驱动器(40)向每个像素提供数据信号。 DC-DC转换器(60)向每个像素提供第一和电源。 定时控制器(50)控制扫描驱动器和数据驱动器。 升压转换器包括第一开关元件,第二开关元件和第一电感器。 逆变器转换器包括第三开关元件,第四开关元件和第二电感器。 开关控制器控制开关元件。 电流传感器感测流过第一电感器的电流量。 电流传感器向开关控制器提供第一限制信号。 (附图标记)(30)扫描驱动器; (40)数据驱动程序; (50)定时控制器; (60)DC-DC转换器; (70)电源
    • 29. 发明公开
    • 전원 변환기, 이를 포함하는 디스플레이 장치 및 구동 전압 제어 방법
    • 电源电压转换器,包括其的显示装置和控制驱动电压的方法
    • KR1020120128815A
    • 2012-11-28
    • KR1020110046694
    • 2011-05-18
    • 삼성디스플레이 주식회사
    • 박성천
    • G09G3/30G09G3/20
    • G09G3/3233G09G2330/02G09G2330/026G09G2330/04G09G2330/12
    • PURPOSE: A power converter, a display device including the same and a driving voltage control method are provided to detect a short circuit of a display panel based on a short circuit detecting standard controlled by an operation mode of the display panel. CONSTITUTION: A voltage conversion unit(200) generates a power voltage. The power voltage drives a display panel. A short circuit detector(100) outputs a driving voltage through a driving power line. The short circuit detector detects a short circuit of the display panel. A voltage output block(150) generates the driving voltage by stabilizing the power voltage. A short circuit detection block(110) generates a sensing current and a sensing voltage level. The short circuit detection block determines the flow of a short circuit current.
    • 目的:提供一种电力转换器,包括该电源转换器的显示装置和驱动电压控制方法,用于基于由显示面板的操作模式控制的短路检测标准来检测显示面板的短路。 构成:电压转换单元(200)产生电源电压。 电源电压驱动显示面板。 短路检测器(100)通过驱动电力线输出驱动电压。 短路检测器检测显示面板的短路。 电压输出块(150)通过稳定电源电压来产生驱动电压。 短路检测块(110)产生感测电流和感测电压电平。 短路检测块确定短路电流的流量。