DISPLAY APPARATUS AND METHOD OF DRIVING THE SAME

    公开(公告)号:US20180166010A1

    公开(公告)日:2018-06-14

    申请号:US15645567

    申请日:2017-07-10

    Abstract: A display apparatus includes a plurality of pixels. Each pixel includes a first capacitor connected between a first voltage line receiving a driving signal and a first node; a first transistor comprising a control electrode connected to the first node, a first electrode connected to a second voltage line receiving a first power source signal, and a second electrode connected to a second node; an organic light emitting diode comprising an anode electrode connected to the second node and a cathode electrode receiving a second power source signal; a second capacitor connected between an m-th data line and the second node; a second transistor comprising a control electrode connected to an n-th gate line, a first electrode connected to the first node, and a second electrode connected to the second node;and a third transistor comprising a control electrode connected to an n-th scan line, a first electrode connected to the first voltage line, and a second electrode connected to the second node.

    SCAN LINE DRIVER
    12.
    发明申请
    SCAN LINE DRIVER 有权
    扫描线驱动器

    公开(公告)号:US20160210937A1

    公开(公告)日:2016-07-21

    申请号:US14708117

    申请日:2015-05-08

    Abstract: A scan line driver is disclosed. In one aspect, the scan line driver includes a driving signal generation circuit, an output line driving circuit, and a carry transfer circuit. The driving signal generation circuit is configured to generate first and second driving signals based on a plurality of clock signals and a carry signal from a previous scan line driver. The output line driving circuit is configured to generate a scan line enable signal based on the first and second driving signals. The carry transfer circuit is configured to generate a carry signal based on the first and second driving signals.

    Abstract translation: 公开了扫描线驱动器。 一方面,扫描线驱动器包括驱动信号生成电路,输出线驱动电路和进位传送电路。 驱动信号生成电路被配置为基于多个时钟信号和来自先前的扫描线驱动器的进位信号来产生第一和第二驱动信号。 输出线驱动电路被配置为基于第一和第二驱动信号产生扫描线使能信号。 进位传送电路被配置为基于第一和第二驱动信号产生进位信号。

    ORGANIC LIGHT EMITTING DISPLAY DEVICE AND METHOD OF DRIVING THE SAME
    13.
    发明申请
    ORGANIC LIGHT EMITTING DISPLAY DEVICE AND METHOD OF DRIVING THE SAME 审中-公开
    有机发光显示装置及其驱动方法

    公开(公告)号:US20140354711A1

    公开(公告)日:2014-12-04

    申请号:US14211451

    申请日:2014-03-14

    Abstract: An organic light emitting display device includes pixels, a scan driver, a memory configured to store pixel data containing information indicative of threshold voltages and mobilities of first transistors in the pixels, a timing controller configured to modify one or more bits of first data to generate second data, the first data modified in response to the pixel data, a data driver configured to generate data signals based on the second data, and a control driver configured to supply a first control signal to a first control line commonly coupled to the pixels and a second control signal to a second control line, wherein each of the pixels is configured to store a data signal of a current frame and to emit light corresponding to a data signal of a previous frame.

    Abstract translation: 有机发光显示装置包括像素,扫描驱动器,存储器,被配置为存储包含指示像素中的第一晶体管的阈值电压和迁移率的信息的像素数据;定时控制器,被配置为修改第一数据的一个或多个位以产生 第二数据,响应于像素数据修改的第一数据,被配置为基于第二数据生成数据信号的数据驱动器和被配置为将第一控制信号提供给通常耦合到像素的第一控制线的控制驱动器,以及 到第二控制线的第二控制信号,其中每个像素被配置为存储当前帧的数据信号并且发射与先前帧的数据信号相对应的光。

    THIN FILM TRANSISTOR AND ORGANIC LIGHT EMITTING DIODE DISPLAY INCLUDING THE SAME
    14.
    发明申请
    THIN FILM TRANSISTOR AND ORGANIC LIGHT EMITTING DIODE DISPLAY INCLUDING THE SAME 有权
    薄膜晶体管和有机发光二极体显示器包括它

    公开(公告)号:US20140353605A1

    公开(公告)日:2014-12-04

    申请号:US14055039

    申请日:2013-10-16

    Abstract: A thin film transistor includes a substrate, a semiconductor layer on the substrate, a first insulating layer covering the substrate and the semiconductor layer, a first gate electrode on the first insulating layer and overlapping the semiconductor layer, a second insulating layer covering the first gate electrode and the first insulating layer, a second gate electrode on the second insulating layer and overlapping the semiconductor layer and the first gate electrode, a third insulating layer covering the second gate electrode, a first contact hole defined in the first insulating layer, the second insulating layer and the third insulating layer, and through which a portion of the semiconductor layer is exposed, and a source electrode and a drain electrode connected to the semiconductor layer through the first contact hole.

    Abstract translation: 薄膜晶体管包括衬底,衬底上的半导体层,覆盖衬底和半导体层的第一绝缘层,第一绝缘层上的与半导体层重叠的第一栅电极,覆盖第一栅极的第二绝缘层 电极和第一绝缘层,在第二绝缘层上的第二栅电极,与半导体层和第一栅电极重叠,覆盖第二栅电极的第三绝缘层,限定在第一绝缘层中的第一接触孔,第二绝缘层 绝缘层和第三绝缘层,半导体层的一部分露出,以及通过第一接触孔与半导体层连接的源电极和漏电极。

    FLEXIBLE DISPLAY DEVICE AND METHOD FOR COMPENSATING IMAGE OF FLEXIBLE DISPLAY DEVICE

    公开(公告)号:US20200301476A1

    公开(公告)日:2020-09-24

    申请号:US16898440

    申请日:2020-06-11

    Abstract: A flexible display device according to example embodiments includes a rollable display panel, a housing accommodating the rollable display panel in a rolled state and including an opening portion through which the rollable display panel is pulled out, an optical sensor disposed at the opening portion and configured to detect luminance of the rollable display panel while the rollable display panel is rolled or unrolled, a controller configured to compensate image data based on detection data generated by the optical sensor, and a display panel driver configured to control a display of rollable display panel.

    Samsung Display Co., LTD.
    16.
    发明申请

    公开(公告)号:US20200279532A1

    公开(公告)日:2020-09-03

    申请号:US16877816

    申请日:2020-05-19

    Abstract: A pixel includes first, second, and third transistors, first and second capacitors, and an organic light emitting diode. The first transistor has a gate electrode connected to a first node, a first electrode that receives a first power voltage, and a second electrode connected to a second node. The second transistor has a gate electrode that receives a scan signal, a first electrode connected to the first node, and a second electrode connected to a third node. The third transistor has a gate electrode that receives a common control signal, a first electrode connected to the third node, and a second electrode connected to the second node. The organic light emitting diode has a first electrode connected to the second node and a second electrode that receives a second power voltage.

    FLEXIBLE DISPLAY DEVICE AND METHOD FOR COMPENSATING IMAGE OF FLEXIBLE DISPLAY DEVICE

    公开(公告)号:US20190302851A1

    公开(公告)日:2019-10-03

    申请号:US16443768

    申请日:2019-06-17

    Abstract: A flexible display device according to example embodiments includes a rollable display panel, a housing accommodating the rollable display panel in a rolled state and including an opening portion through which the rollable display panel is pulled out, an optical sensor disposed at the opening portion and configured to detect luminance of the rollable display panel while the rollable display panel is rolled or unrolled, a controller configured to compensate image data based on detection data generated by the optical sensor, and a display panel driver configured to control a display of rollable display panel.

    THIN FILM TRANSISTOR AND METHOD OF MANUFACTURING THE SAME
    18.
    发明申请
    THIN FILM TRANSISTOR AND METHOD OF MANUFACTURING THE SAME 有权
    薄膜晶体管及其制造方法

    公开(公告)号:US20150028327A1

    公开(公告)日:2015-01-29

    申请号:US14330859

    申请日:2014-07-14

    Abstract: A thin film transistor includes a substrate, a gate electrode, a buffer layer, a gate insulating layer, an active layer, an etching stop layer, a source electrode and a drain electrode. The gate electrode is formed on the substrate. The buffer layer partially covers both side portions of the gate electrode. The gate insulating layer covers the gate electrode and the buffer layer. The active layer is formed on the gate insulating layer. The etching stop layer is formed on the active layer, and has a first opening and a second opening on the active layer. The source electrode is formed on the etching stop layer, and contacts with the active layer through the first opening. The drain electrode is formed on the etching stop layer, and is contacted with the active layer through the second opening.

    Abstract translation: 薄膜晶体管包括基板,栅电极,缓冲层,栅极绝缘层,有源层,蚀刻停止层,源电极和漏电极。 栅电极形成在基板上。 缓冲层部分地覆盖栅电极的两侧部分。 栅极绝缘层覆盖栅电极和缓冲层。 有源层形成在栅绝缘层上。 蚀刻停止层形成在有源层上,并且在有源层上具有第一开口和第二开口。 源电极形成在蚀刻停止层上,并通过第一开口与有源层接触。 漏电极形成在蚀刻停止层上,并通过第二开口与有源层接触。

    PIXEL AND ORGANIC LIGHT EMITTING DISPLAY DEVICE USING THE SAME
    19.
    发明申请
    PIXEL AND ORGANIC LIGHT EMITTING DISPLAY DEVICE USING THE SAME 有权
    像素和有机发光显示装置使用它

    公开(公告)号:US20140354517A1

    公开(公告)日:2014-12-04

    申请号:US14250742

    申请日:2014-04-11

    CPC classification number: G09G3/3258 G09G3/3233 G09G2300/0852 G09G2300/0861

    Abstract: A pixel includes an organic light emitting diode (OLED) having a cathode electrode coupled to a second power supply, a pixel circuit configured to control an amount of current supplied to the OLED to correspond to a previous data signal, and a driver configured to store a present data signal supplied from a data line and to supply the previous data signal to the pixel circuit. The OLED, pixel circuit, and driver may be controlled by signals in a frame that includes first through fourth periods, the second power supply may be set to a first voltage in the first and second periods and to a second voltage in the third and fourth periods, and the first voltage may be a voltage at which the OLED does not emit light and the second voltage may be a voltage at which the OLED emits light.

    Abstract translation: 像素包括具有耦合到第二电源的阴极的有机发光二极管(OLED),被配置为控制提供给OLED的电流量以对应于之前的数据信号的像素电路,以及被配置为存储 从数据线提供的当前数据信号,并将先前的数据信号提供给像素电路。 OLED,像素电路和驱动器可以由包括第一至第四周期的帧中的信号控制,第二电源可以被设置为第一和第二周期中的第一电压,以及第三和第四周期中的第二电压 并且第一电压可以是OLED不发光的电压,第二电压可以是OLED发光的电压。

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