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公开(公告)号：KR101543329B1
公开(公告)日：2015-08-10
申请号：KR1020090034714
申请日：2009-04-21
Applicant: 삼성전자주식회사
CPC classification number: H03L7/0812 , H03K5/133 , H03K5/1565 , H03K2005/00039 , H03K2005/00071 , H03L7/0818 , H03L7/087
Abstract: 펄스폭검출회로를구비하는지연고정루프및 그구동방법이개시된다. 상기지연고정루프는, 기준클록신호를입력받고, 상기입력받은기준클록신호의펄스폭을검출하여, 상기검출결과를펄스폭검출결과신호로서출력하는펄스폭검출회로, 및상기기준클록신호를입력받고, 상기입력받은기준클록신호를지연시켜출력클록신호로서출력하는지연회로를구비하고, 상기지연회로는, 상기펄스폭검출회로로부터상기펄스폭검출결과신호를입력받고, 상기입력받은펄스폭검출결과신호에응답하여상기입력받은기준클록신호의지연시간을조절하는것을특징으로한다.
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公开(公告)号：KR1020110094967A
公开(公告)日：2011-08-24
申请号：KR1020100014728
申请日：2010-02-18
Applicant: 삼성전자주식회사
IPC: G09G3/36
CPC classification number: G09G3/3688 , G09G2310/0245 , G09G2330/02 , G09G2330/023 , G09G2330/026 , G09G2330/027
Abstract: PURPOSE: A method for driving a liquid crystal panel, a source driver and a liquid crystal display system for using the method are provided to implement high power and high quality display device by preventing a wanted image from being displayed on the screen. CONSTITUTION: In a method for driving a liquid crystal panel, a source driver and a liquid crystal display system for using the method, a source driver(500) drives a source line of a liquid crystal panel. The source driver comprises a plurality of output buffers, a plurality of output pads(Pad_1~Pad_p), and a switching unit. A switching unit is interposed between the plural output buffers and the plural output pads. The switching unit controls the electrical connection state of the plural output pads The switching unit intercepts the output signals of the output buffers to the liquid crystal panel. The switching unit connects the plural output pads and provides a discharge path to a ground from the output pad.
Abstract translation: 目的：提供一种用于驱动液晶面板的方法，源驱动器和使用该方法的液晶显示系统，以通过防止想要的图像在屏幕上显示来实现高功率和高质量的显示装置。 构成：在驱动液晶面板，源极驱动器和使用该方法的液晶显示系统的方法中，源极驱动器（500）驱动液晶面板的源极线。 源极驱动器包括多个输出缓冲器，多个输出焊盘（Pad_1〜Pad_p）和切换单元。 切换单元插入在多个输出缓冲器和多个输出垫之间。 开关单元控制多个输出焊盘的电连接状态。开关单元将输出缓冲器的输出信号截取到液晶面板。 开关单元连接多个输出焊盘，并从输出焊盘提供到地面的放电路径。
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公开(公告)号：KR1020100116012A
公开(公告)日：2010-10-29
申请号：KR1020090034714
申请日：2009-04-21
Applicant: 삼성전자주식회사
CPC classification number: H03L7/0812 , H03K5/133 , H03K5/1565 , H03K2005/00039 , H03K2005/00071 , H03L7/0818 , H03L7/087
Abstract: PURPOSE: A delay locked loop and a driving method thereof are provided to detect the frequency of a clock signal by detecting the pulse width of a clock signal. CONSTITUTION: A pulse width detecting circuit(130) receives a reference clock signal. The pulse width detecting circuit outputs the detection result as the pulse width detection resultant signal by detecting the pulse width of the reference clock signal. A delay circuit(120) receives the reference clock signal. The delay circuit outputs an output clock signal by delaying the reference clock signal. The delay circuit receives the pulse width detection resultant signal from the pulse width detecting circuit. The delay time of the reference clock signal is controlled in response to the pulse width detection resultant signal.
Abstract translation: 目的：提供延迟锁定环及其驱动方法，通过检测时钟信号的脉冲宽度来检测时钟信号的频率。 构成：脉冲宽度检测电路（130）接收基准时钟信号。 脉冲宽度检测电路通过检测基准时钟信号的脉冲宽度来输出检测结果作为脉冲宽度检测结果信号。 延迟电路（120）接收参考时钟信号。 延迟电路通过延迟参考时钟信号来输出输出时钟信号。 延迟电路从脉冲宽度检测电路接收脉冲宽度检测结果信号。 响应于脉冲宽度检测结果信号来控制参考时钟信号的延迟时间。
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公开(公告)号：KR1020150127500A
公开(公告)日：2015-11-17
申请号：KR1020140054437
申请日：2014-05-07
Applicant: 삼성전자주식회사
IPC: G09G3/20
CPC classification number: G09G3/20 , G09G3/3688 , G09G5/00 , G09G2310/027 , G09G2310/0291 , G09G2320/0276 , G09G2330/021 , G09G2360/08 , G09G2370/08
Abstract: 디스플레이패널을구동하는소스드라이버및 이를포함하는디스플레이장치가개시된다. 본발명의실시예에따른디스플레이패널의소스라인을구동하는소스드라이버는, 디지털픽셀데이터를수신하고, 저장하는디지털회로; 및상기디지털픽셀데이터를아날로그신호형태의계조전압으로변환하여출력하는아날로그회로를포함하고, 상기디스플레이패널의비구동구간을지시하는타이밍신호에응답하여, 상기아날로그회로의정적전류(static current)가감소된다.
Abstract translation: 公开了用于驱动显示面板的源驱动器和包括其的显示装置。 根据本发明实施例的驱动显示面板的源极线的源极驱动器包括：数字电路，被配置为接收和存储数字像素数据; 以及模拟电路，被配置为将数字像素数据转换并输出为模拟信号形式的灰度电压，其中响应于指示显示面板的非驱动周期的定时信号，模拟电路的静态电流减小。
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Patent Agency Ranking
公开(公告)号：KR1020120094815A
公开(公告)日：2012-08-27
申请号：KR1020110028253
申请日：2011-03-29
Applicant: 삼성전자주식회사
CPC classification number: H02M1/36 , H02M3/073 , H02M2003/078
Abstract: PURPOSE: A power supply device for preventing latch-up of a charge pump and a method thereof are provided to adjust an inrush current for preventing latch-up by controlling a pulse width to reflect the result of comparing an input signal and a selection reference voltage. CONSTITUTION: An internal power supply(100) includes a primary voltage generator(150) and a pulse generator(500). The primary voltage generator generates a primary voltage and a feedback signal. The pulse generator generates a pulse from the feedback signal to operate a switch. A charge pump(200) generates a secondary voltage by using the primary voltage. An inrush current controller(300) is connected between the charge pump and the internal power supply. The inrush current controller controls pulse width modulation using a pulse width modulation control signal.
Abstract translation: 目的：提供一种用于防止电荷泵闩锁的电源装置及其方法，用于通过控制脉冲宽度来调节用于防止闩锁的浪涌电流，以反映输入信号和选择基准电压的比较结果 。 构成：内部电源（100）包括初级电压发生器（150）和脉冲发生器（500）。 初级电压发生器产生初级电压和反馈信号。 脉冲发生器从反馈信号产生脉冲以操作开关。 电荷泵（200）通过使用初级电压产生次级电压。 浪涌电流控制器（300）连接在电荷泵和内部电源之间。 浪涌电流控制器使用脉宽调制控制信号控制脉宽调制。
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公开(公告)号：KR101651548B1
公开(公告)日：2016-09-05
申请号：KR1020100014728
申请日：2010-02-18
Applicant: 삼성전자주식회사
IPC: G09G3/36
CPC classification number: G09G3/3688 , G09G2310/0245 , G09G2330/02 , G09G2330/023 , G09G2330/026 , G09G2330/027
Abstract: 본발명은액정표시장치구동기술에관한것으로, 구체적으로는파워-온또는파워-오프시액정패널에의도하지않은영상데이터가디스플레이되는것이방지되는액정구동방법, 이를구현하는소스드라이버및 액정표시장치에관한것이다. 본발명의일실시예에따른소스드라이버는복수개의출력버퍼들, 복수개의출력패드들및 상기복수개의출력버퍼들과상기복수개의출력패드들사이에위치하여, 상기복수개의출력패드들의전기적연결상태를제어하는스위칭부를포함한다. 상기스위칭부는, 전원전압의레벨-업(level-up) 또는레벨-다운(level-down)이감지되면미리정해진구간동안상기복수개의출력버퍼들의출력신호들이대응되는상기출력패드를통하여상기액정패널에전달되는것을차단하면서, 상기복수개의출력패드들을서로연결하는것과상기복수개의출력패드들로부터접지로의방전경로를제공하는것 중적어도어느하나를수행하는것을특징으로한다.
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公开(公告)号：KR1020110006369A
公开(公告)日：2011-01-20
申请号：KR1020090063967
申请日：2009-07-14
Applicant: 삼성전자주식회사
CPC classification number: G09G3/3696 , G09G3/3648 , G09G2310/0245 , G09G2310/063 , G09G2330/021
Abstract: PURPOSE: A power off discharge circuit and a source driver circuit having the same are provided to prevent a strip from being formed on a display panel by rapidly discharging a load circuit in a display panel. CONSTITUTION: A power voltage sensor senses the interception of a first power voltage. A first power voltage drives a source driver circuit. The power voltage sensor generates a discharge control signal. A discharge unit discharges a load circuit(382). The load circuit is included within the display panel.
Abstract translation: 目的：提供一种断电放电电路和具有该断电放电电路的源极驱动器电路，以通过快速放电显示面板中的负载电路来防止在显示面板上形成条带。 构成：电源电压传感器检测到第一个电源电压的截取。 第一个电源电压驱动源极驱动电路。 电源电压传感器产生放电控制信号。 放电单元放电负载电路（382）。 负载电路包含在显示面板内。
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8.发明公开슬루 슬로프를 제어하는 출력 버퍼 회로 및 그것을 포함하는 소스 드라이버 및 그것의 소스 구동 신호 생성 방법 审中-实审输出缓冲器电路控制SELW SLOPE和源驱动器及其产生源驱动信号的方法
公开(公告)号：KR1020170005291A
公开(公告)日：2017-01-12
申请号：KR1020150094832
申请日：2015-07-02
Applicant: 삼성전자주식회사
IPC: G09G3/36
CPC classification number: G09G3/3688 , G09G3/3696 , G09G2310/0286 , G09G2310/0291 , G09G2320/0252
Abstract: 본발명의실시예에따른복수의입력데이터를처리하여표시패널에제공하는소스드라이버의출력버 회로는, 입력신호의천이구간을검출하고, 검출된천이구간에서생성되는검출전류의크기를슬루슬로프정보에따라조정하여슬루율제어신호를생성하는고속슬루율컨트롤러, 그리고상기슬루율제어신호에따라상기입력신호를선택된슬루율또는슬루슬로프를갖는소스구동신호로출력하는출력버퍼를포함한다.
Abstract translation: 提供输出缓冲电路。 输出缓冲电路包括检测输入电压的转换持续时间的快速转换速率（FSR）控制器，以便根据关于转换斜率的信息来调整在检测到的转换持续时间中产生的检测电流的幅度，并产生一个转换 速率控制信号作为调整结果，以及输出缓冲器，其输出所述输入电压作为响应于所述压摆率控制信号而被选择的转换速率或转换斜率的源驱动信号。
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公开(公告)号：KR101645208B1
公开(公告)日：2016-08-03
申请号：KR1020090063967
申请日：2009-07-14
Applicant: 삼성전자주식회사
CPC classification number: G09G3/3696 , G09G3/3648 , G09G2310/0245 , G09G2310/063 , G09G2330/021
Abstract: 파워오프디스차지회로는소스드라이버회로를구동하는제 1 전원전압의차단여부를감지하여디스차지제어신호를생성하는전원전압감지부및 디스차지제어신호에응답하여디스플레이패널내의로드회로를디스차지시키는디스차지부를포함한다. 따라서, 파워오프디스차지회로는소스드라이버회로를구동하는전원전압이차단되는경우디스플레이패널내의로드회로를디스차지시킴으로써디스플레이디바이스가파워오프상태에진입할때 디스플레이패널상에나타날수 있는세로줄잔상을방지할수 있다.
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