Cell cutting device for display devices

    公开(公告)号:US10456939B2

    公开(公告)日:2019-10-29

    申请号:US15869966

    申请日:2018-01-12

    Abstract: A cell cutting device that cuts a mother substrate for display devices includes a fixing unit configured to move in a state where the mother substrate for display devices is fixed on the fixing unit, a cutter configured to perform a cutting process on the mother substrate for display devices and the cutter faces a surface of the mother substrate during the cutting process, a cutter driving unit driving the cutter in a state where the cutter is fixed thereon, and a buffer member arranged on another surface of the mother substrate to correspond to the cutter. The other surface is opposite the surface facing the cutter.

    Display device
    12.
    发明授权

    公开(公告)号:US12183229B2

    公开(公告)日:2024-12-31

    申请号:US18239919

    申请日:2023-08-30

    Abstract: A display device according to the invention includes: a display panel and a driving chip mounted on the display panel. The display panel includes: a base layer, pixels, signal lines, fan-out lines, and a selection circuit. The base layer includes a first region, a second region bent with respect to a bending axis, and a third region adjacent to the second region. The pixels are arranged in the first region, and the signal lines are arranged in the first region and connected to the pixels. The fan-out lines are arranged in the second region and connected to the signal lines. The selection circuit is arranged between the fan-out lines and the driving chip in the third region and connected to the fan-out lines and the driving chip.

    Organic light emitting display device and driving method of the same

    公开(公告)号:US11735118B2

    公开(公告)日:2023-08-22

    申请号:US16235297

    申请日:2018-12-28

    Abstract: An organic light emitting display device includes: a display panel including a plurality of pixels; a power source configured to provide a high power voltage and a low power voltage to the pixels; a data driver configured to provide a data signal to the pixels through data lines; a scan driver configured to provide a scan signal to the pixels through scan lines; a timing controller configured to provide control signals that control the power source, the data driver, and the scan driver; and an image processor configured to receive an HDR image signal by every frame, calculate an on-pixel ratio (OPR) that represents a ratio of a number of the pixels that turn on based on the HDR image signal to the number of all pixels included in the display panel, and control a brightness of the pixels that turn on based on the on-pixel ratio.

    Display device capable of detecting whether a power cable is abnormally connected

    公开(公告)号:US10649509B2

    公开(公告)日:2020-05-12

    申请号:US15388771

    申请日:2016-12-22

    Inventor: Seung-Jun Lee

    Abstract: A display device includes a display panel including a plurality of pixels, first and second source boards connected to the display panel, and a control board. The control board is connected to the first source board via a first power cable and to the second source board via a second power cable. The control board is configured to control a power voltage provided to the pixels based on a first connection signal received from a first ground line of the first power cable and a second connection signal received from a second ground line of the second power cable.

    POWER SUPPLY DEVICE AND DISPLAY DEVICE INCLUDING THE SAME
    15.
    发明申请
    POWER SUPPLY DEVICE AND DISPLAY DEVICE INCLUDING THE SAME 有权
    电源装置和包括其的显示装置

    公开(公告)号:US20160148570A1

    公开(公告)日:2016-05-26

    申请号:US14697139

    申请日:2015-04-27

    Abstract: A power supply device and a display device including the same disclosed. In one aspect, the power supply device includes a DC-DC converter including a power supply having an input voltage and configured to generate a power voltage and a power current based at least in part on the input voltage and a feedback voltage and supply the power voltage to an output line. A detector is configured to detect the power voltage and the power current, a feedback circuit configured to generate the feedback voltage based at least in part on the power voltage and the power current and supply the feedback voltage to the DC-DC converter. A memory is configured to store a power error voltage signal corresponding to a power error voltage including the difference between the power voltage and a reference power voltage.

    Abstract translation: 一种电源装置和包括该电源装置的显示装置。 一方面,电源装置包括DC-DC转换器,其包括具有输入电压并被配置为至少部分地基于输入电压和反馈电压产生电力电压和功率电流的电源,并且提供电力 电压到输出线。 检测器被配置为检测电源电压和功率电流,反馈电路被配置为至少部分地基于电源电压和功率电流产生反馈电压,并将反馈电压提供给DC-DC转换器。 存储器被配置为存储与包括电源电压和参考电源电压之间的差的功率误差电压相对应的功率误差电压信号。

    Foldable display device
    16.
    发明授权

    公开(公告)号:US10896645B2

    公开(公告)日:2021-01-19

    申请号:US15729194

    申请日:2017-10-10

    Abstract: A foldable display device according to example embodiments includes a flexible display panel including a first display area having at least partially foldable area and a second display area not having the foldable area, a folding sensor in the first display area configured to detect a folding status of the flexible display panel and output a detecting signal which includes the folding status of the flexible display panel, a scan driver configured to sequentially provide scan signals to at least a part of a plurality of scan lines based on the detecting signal, a data driver configured to provide data signals to the flexible display panel based on the detecting signal, and a timing controller configured to convert input image data into corrected image data based on the detecting signal and control the scan driver and the data driver.

    Crack detector and method of driving crack detector

    公开(公告)号:US10267866B2

    公开(公告)日:2019-04-23

    申请号:US15382440

    申请日:2016-12-16

    Abstract: A method of driving a crack detector of an organic light emitting display device according to example embodiments includes: determining an image load of a display panel with respect to image data corresponding to an emission period of the organic light emitting display device when it is driven according to a simultaneous emission driving method, calculating a first sensing value corresponding to a power current that flows into a power supply during the emission period, determining a first crack reference value based on the image load, and determining whether the display panel is cracked by comparing the first crack reference value with the first sensing value.

    Power supply device and display device including the same

    公开(公告)号:US09972247B2

    公开(公告)日:2018-05-15

    申请号:US14697139

    申请日:2015-04-27

    Abstract: A power supply device and a display device including the same disclosed. In one aspect, the power supply device includes a DC-DC converter including a power supply having an input voltage and configured to generate a power voltage and a power current based at least in part on the input voltage and a feedback voltage and supply the power voltage to an output line. A detector is configured to detect the power voltage and the power current, a feedback circuit configured to generate the feedback voltage based at least in part on the power voltage and the power current and supply the feedback voltage to the DC-DC converter. A memory is configured to store a power error voltage signal corresponding to a power error voltage including the difference between the power voltage and a reference power voltage.

    SUBSTRATE CLEANING APPARATUS
    20.
    发明申请
    SUBSTRATE CLEANING APPARATUS 有权
    基板清洁装置

    公开(公告)号:US20140075690A1

    公开(公告)日:2014-03-20

    申请号:US13963743

    申请日:2013-08-09

    Abstract: A substrate cleaning apparatus is provided. The substrate cleaning apparatus includes a plurality of transfer rollers for transferring a substrate; a liquid chemical feeder supplying a liquid chemical to a first surface of the substrate; wherein the liquid chemical feeder comprises a first housing and a first cleaning roller rotatably installed within the housing and having an upper portion configured to contact with the substrate.

    Abstract translation: 提供了基板清洗装置。 基板清洗装置包括用于转印基板的多个转印辊; 向所述基板的第一表面供给液体化学品的液体化学品供给装置; 其中所述液体化学进料器包括第一壳体和第一清洁辊,所述第一壳体和所述第一清洁辊可旋转地安装在所述壳体内并且具有被配置为与所述基底

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