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    • 23. 发明公开
    • 점광원, 이를 갖는 광 출사 모듈 및 표시장치
    • 点光源,发光模块和显示装置
    • KR1020070083332A
    • 2007-08-24
    • KR1020060016530
    • 2006-02-21
    • 삼성디스플레이 주식회사
    • 서정민한병웅김규석김정수박영희
    • G02F1/13357
    • H01L25/0753G02B6/0021G02B6/0023H01L33/486H01L33/54H01L33/60H01L2924/0002H04M1/22H01L2924/00
    • A point light source and a light emitting module and a display device having the same are provided to inhibit the generation of dark and bright portions on a light emitting surface and a display screen. A body(11) includes a base member(12) and a protrusion member(13) protruded convexly from the base member. A light emitting member(20) includes light emitting chips arranged to the protrusion member in order to form an inclination angle to the base member. The fluorescent members cover the base member, protrusion member and light emitting chips. The protrusion member includes the first inclination surface(14) for forming the first angle to the surface of the base member. The second inclination surface(15) is symmetrically formed at the first inclination surface relating to the vertical surface corresponding to the surface of the base member. An upper surface(16) connects the upper ends of the first and second inclination surfaces. The light emitting member includes the first light emitting chip arranged at the first inclination surface. The second light emitting chip is arranged at the second inclination surface.
    • 提供点光源和发光模块以及具有该点光源的显示装置以抑制在发光表面和显示屏上产生暗和亮部分。 主体(11)包括基部构件(12)和从基座凸起突出的突出构件(13)。 发光构件(20)包括布置到突出构件上的发光芯片,以便形成与基座构件的倾斜角度。 荧光部件覆盖基部构件,突起构件和发光芯片。 突起构件包括用于与基底构件的表面形成第一角度的第一倾斜表面(14)。 第二倾斜面(15)在与基体的表面对应的垂直面相关的第一倾斜面对称地形成。 上表面(16)连接第一和第二倾斜表面的上端。 发光构件包括布置在第一倾斜表面处的第一发光芯片。 第二发光芯片布置在第二倾斜表面。
    • 25. 发明授权
    • 단락감지회로를 구비한 유기전계발광 표시장치 및 그의 구동방법
    • 一种具有短路检测电路的有机发光显示装置及其驱动方法
    • KR101816256B1
    • 2018-01-09
    • KR1020110032871
    • 2011-04-08
    • 삼성디스플레이 주식회사
    • 서정민박성천
    • G09G3/30H01L51/50
    • G09G3/3233G09G3/006G09G3/20G09G2330/026G09G2330/04
    • 본발명은주사선들, 데이터선들과접속되는화소들을포함하는화소부; 기동신호가공급되면제 1전원과제 2전원을출력하는 DC-DC 컨버터; 상기 DC-DC 컨버터로부터출력되는제 1전원과제 2전원을각각상기화소부로공급하는제 1전원라인과제 2전원라인; 및상기 DC-DC 컨버터의기동전에상기제 1전원라인과제 2전원라인의상호단락여부를판단하고, 단락되지않은경우에상기 DC-DC 컨버터에상기기동신호를공급하는단락감지회로; 를포함하는단락감지회로를구비한유기전계발광표시장치및 그의구동방법에관한것이다. 본발명에따르면, DC-DC 컨버터의기동전에미리전원라인의단락여부를감지하여, 단락이감지된경우에는 DC-DC 컨버터의기동을시작하지않음으로써단락에따른피해를최소화할수 있다.
    • 本发明提供了一种液晶显示器,包括:像素部分,包括连接到扫描线和数据线的像素; DC-DC转换器,用于当提供启动信号时输出第一电源2电力; 第一电力线任务2电力供给线,用于将从DC-DC转换器输出的第一电力任务2的电力提供给像素单元; 和所述第一电源线任务2确定的短路检测电路是否电源线的相互短路,并供给开始信号的情况下的DC-DC转换器,其不短路到DC-DC转换器的演变; 本发明涉及一种有机发光显示装置及其驱动方法。 根据本发明,可以在DC-DC转换器启动之前检测电源线是否短路,并且在检测到短路时启动DC-DC转换器。
    • 27. 发明公开
    • DC-DC 컨버터 및 이를 이용한 유기 전계 발광 표시장치
    • DC-DC转换器和有机发光显示装置
    • KR1020140055087A
    • 2014-05-09
    • KR1020120121414
    • 2012-10-30
    • 삼성디스플레이 주식회사
    • 서정민박성천
    • H02M3/155G09G3/30
    • The present invention relates to a DC-DC converter and an organic light emitting display device using the same. A DC-DC converter according to an embodiment of the present invention includes a switching module which outputs a first voltage by converting an input voltage by turning on and off pulse width modulation (PWM) signals each corresponding to multiple switches; a converting module having a control module which controls switching operation of the switching module by generating the PWM signals; and a sensing unit which detects a drive current supplied to the load where the first voltage is provided. The control module is composed to adaptively control a frequency of the PWM signals based on the detected results of the sensing unit. According to the present invention, a DC-DC converter and an organic light emitting display device are provided which have an optimum efficiency by operating adaptively based on the loading conditions.
    • 本发明涉及DC-DC转换器和使用该DC-DC转换器的有机发光显示装置。 根据本发明实施例的DC-DC转换器包括:开关模块,其通过接通和关断每个对应于多个开关的脉宽调制(PWM)信号来转换输入电压来输出第一电压; 转换模块,具有通过产生PWM信号来控制开关模块的开关动作的控制模块; 以及感测单元,其检测提供给提供第一电压的负载的驱动电流。 控制模块的组成是根据检测单元的检测结果自适应地控制PWM信号的频率。 根据本发明,提供一种DC-DC转换器和有机发光显示装置,其通过基于负载条件自适应地进行操作而具有最佳的效率。