Driver and display device including the same

    公开(公告)号:US12198593B2

    公开(公告)日:2025-01-14

    申请号:US18543298

    申请日:2023-12-18

    Inventor: Hai-Jung In

    Abstract: A driver includes first to Mth stages, where a first input signal and a second input signal are input to each of the first to Mth stages, and each of the first to Mth stages outputs a stage output signal, a first carry signal, and a second carry signal, where M is a natural number greater than or equal to 2. The first carry signal and the second carry signal output from a kth stage are the first input signal and the second input signal, which are input to a (k+1)th stage, respectively, where k is a natural number greater than or equal to 1 and less than M, and the first input signal and the second input signal, which are input to a first stage, are a first start signal and a second start signal which are alternately changed for predetermined frame times, respectively.

    Pixel of a display panel having a panel deviation compensation voltage and display device

    公开(公告)号:US10978001B2

    公开(公告)日:2021-04-13

    申请号:US16550073

    申请日:2019-08-23

    Abstract: A pixel of a display panel includes a storage capacitor, at least one scan transistor to transfer first and second voltages to ends of the storage capacitor in response to a scan signal, a driving transistor to generate a driving current based on a difference between the first voltage and the second voltage stored in the storage capacitor, at least one emission transistor to selectively provide the driving current to an organic light emitting diode in response to an emission control signal, and the organic light emitting diode to emit light, wherein the first voltage is a sum of a data voltage and a pixel deviation compensation voltage for compensating a threshold voltage deviation between pixels included in the display panel, and wherein the second voltage is a panel deviation compensation voltage for compensating a threshold voltage deviation between display panels manufactured by a same process for the display panel.

    Display device having compensation for degradation of driving transistors and electronic device having the same

    公开(公告)号:US10475382B2

    公开(公告)日:2019-11-12

    申请号:US15893115

    申请日:2018-02-09

    Abstract: A display device includes a display panel including a first pixel, a second pixel, and a third pixel, a scan driver configure to provide a scan signal to the first through the third pixels, a data driver which provides a data signal to the first through the third pixels, a reference voltage generator which provides a first reference voltage that compensates a degradation of a first driving transistor, a second reference voltage that compensates a degradation of a second driving transistor, and a third reference voltage that compensates a degradation of a third driving transistor, and a timing controller which generates a control signal that controls the scan driver, the data driver, and the reference voltage generator.

    Pixel circuit and organic light emitting display device using the same
    5.
    发明授权
    Pixel circuit and organic light emitting display device using the same 有权
    像素电路和有机发光显示装置使用相同

    公开(公告)号:US09396681B2

    公开(公告)日:2016-07-19

    申请号:US14228043

    申请日:2014-03-27

    Abstract: A pixel circuit including an organic light emitting diode (OLED), a first transistor, a first capacitor, a second transistor, a second capacitor and a third transistor is disclosed. In one aspect, the first transistor controls the amount of current flowing from a first power source to a second power source via the OLED, corresponding to a voltage at a first node. The first capacitor has a first terminal connected to a data line. The second transistor is connected between a second terminal of the first capacitor and a second node. The second capacitor is connected between the second node and the first node. The third transistor is connected between a fixed voltage source and the second terminal of the first capacitor, and has a turn-on period non-overlapping with that of the second transistor.

    Abstract translation: 公开了一种包括有机发光二极管(OLED),第一晶体管,第一电容器,第二晶体管,第二电容器和第三晶体管的像素电路。 在一个方面,第一晶体管控制对应于第一节点处的电压的经由OLED从第一电源流向第二电源的电流量。 第一电容器具有连接到数据线的第一端子。 第二晶体管连接在第一电容器的第二端子和第二节点之间。 第二电容器连接在第二节点和第一节点之间。 第三晶体管连接在第一电容器的固定电压源和第二端子之间,并且具有与第二晶体管的导通周期不重叠的导通周期。

    ORGANIC LIGHT EMITTING DISPLAY AND METHOD FOR DRIVING THE SAME
    6.
    发明申请
    ORGANIC LIGHT EMITTING DISPLAY AND METHOD FOR DRIVING THE SAME 有权
    有机发光显示器及其驱动方法

    公开(公告)号:US20150243219A1

    公开(公告)日:2015-08-27

    申请号:US14618973

    申请日:2015-02-10

    Abstract: An organic light emitting display includes: a display panel including pixels at crossing regions of data lines and scan lines; a scan driver configured to divide one frame into a plurality of sub-fields, to divide each of the subfields into p (p is a positive integer of 2 or more) periods, and to supply scan signals to the scan lines; and a data driver configured to supply data voltages to the data lines concurrently with supply of respective scan signals, wherein a gray scale voltage from among (P+1) gray scale voltages is supplied as at least one of the data voltages.

    Abstract translation: 有机发光显示器包括:显示面板,包括在数据线和扫描线的交叉区域处的像素; 扫描驱动器,其被配置为将一个帧划分成多个子场,以将每个子场划分为p(p是2或更大的正整数)周期,并将扫描信号提供给扫描线; 以及数据驱动器,被配置为在提供各个扫描信号的同时向数据线提供数据电压,其中从(P + 1)灰度级电压中提供灰度电压作为数据电压中的至少一个。

    ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE AND DRIVING METHOD THEREOF
    7.
    发明申请
    ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE AND DRIVING METHOD THEREOF 有权
    有机发光二极管显示装置及其驱动方法

    公开(公告)号:US20140313106A1

    公开(公告)日:2014-10-23

    申请号:US13954750

    申请日:2013-07-30

    Abstract: An organic light emitting diode (OLED) display device includes a plurality of pixels each having a pixel circuit and an organic light emitting diode coupled to the pixel circuit. The OLED display device includes a scan driver which is configured to supply a scan signal to the scan lines and to supply an emission control signal to an emission control line commonly coupled to the pixels. The OLED display device also includes repair lines and repair circuits coupled to the repair lines. The repair circuits each have an output terminal coupled to an organic light emitting diode in corresponding pixel. A switching unit is configured to allow output lines of the data driver to be selectively coupled to the repair lines or the data lines.

    Abstract translation: 有机发光二极管(OLED)显示装置包括多个像素,每个像素具有像素电路和耦合到像素电路的有机发光二极管。 OLED显示装置包括扫描驱动器,其被配置为向扫描线提供扫描信号,并将发射控制信号提供给通常耦合到像素的发射控制线。 OLED显示装置还包括修复线和与修复线耦合的修复电路。 修复电路各自具有耦合到相应像素中的有机发光二极管的输出端子。 开关单元被配置为允许数据驱动器的输出线选择性地耦合到修复线或数据线。

    ORGANIC LIGHT EMITTING DISPLAY AND DRIVING METHOD THEREOF
    8.
    发明申请
    ORGANIC LIGHT EMITTING DISPLAY AND DRIVING METHOD THEREOF 有权
    有机发光显示及其驱动方法

    公开(公告)号:US20140240304A1

    公开(公告)日:2014-08-28

    申请号:US13901424

    申请日:2013-05-23

    CPC classification number: G09G3/3233 G09G2330/08 G09G2330/10

    Abstract: An organic light emitting display including a repair circuit is disclosed. In one aspect the organic light emitting diode (OLED) display includes a pixel unit having a plurality of pixels positioned at the intersection of scanning lines, data lines, and power lines, The OLED display further includes an organic light emitting diode OLED connected to the pixel circuit, and repair lines disposed in parallel with data lines and repair circuits connected to the repair lines and the power lines. The OLED display further includes a switching unit for selectively connecting output lines of the data driving unit to the repair lines or the data lines.

    Abstract translation: 公开了一种包括修复电路的有机发光显示器。 在一个方面,有机发光二极管(OLED)显示器包括具有位于扫描线,数据线和电力线的交叉点处的多个像素的像素单元。OLED显示器还包括连接到该有机发光二极管 像素电路以及与维修线路和电力线路连接的数据线路和维修电路并联设置的维修线路。 OLED显示器还包括用于选择性地将数据驱动单元的输出线连接到修复线或数据线的切换单元。

    Emissive display device
    9.
    发明授权

    公开(公告)号:US12080223B2

    公开(公告)日:2024-09-03

    申请号:US18170508

    申请日:2023-02-16

    CPC classification number: G09G3/32 G09G2300/0842 G09G2310/0275

    Abstract: An emissive display device includes: a light emitting diode; an n-type driving transistor comprising a first driving gate electrode, a first electrode receiving a driving voltage, a second electrode transferring an output current to the anode, and a second driving gate electrode; a second transistor connected to a data line; a third transistor configured to connect the first electrode and the first driving gate electrode of the driving transistor; a storage capacitor comprising a first storage electrode and a second storage electrode connected to the first driving gate electrode; a ninth transistor transferring an overlapping electrode voltage to the second driving gate electrode; an overlapping electrode voltage line crossing the data line and receiving the overlapping electrode voltage; and a shielding electrode at an intersection of the data line and the overlapping electrode voltage line and between the data line and the overlapping electrode voltage line.

    Emission driver, display apparatus including the same and method of driving display apparatus

    公开(公告)号:US12039939B2

    公开(公告)日:2024-07-16

    申请号:US18111197

    申请日:2023-02-17

    CPC classification number: G09G3/3291 G09G2310/08 G09G2330/04

    Abstract: An emission driver includes a plurality of stages. A stage of the plurality of stages receives a start signal, a first clock signal, a second clock signal, a protection signal, a first gate power voltage and a second gate power voltage and outputs an emission signal. The stage of the plurality of stages includes a pull-up switching element connected between a first gate power voltage terminal which receives the first gate power voltage and an emission signal output terminal which outputs the emission signal, a pull-down switching element connected between a second gate power voltage terminal which receives the second gate power voltage and the emission signal output terminal and a protection switching element which applies the first gate power voltage to a control electrode of the pull-down switching element in response to the protection signal.

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