Display device and method of driving the same

    公开(公告)号:US11721271B2

    公开(公告)日:2023-08-08

    申请号:US17881560

    申请日:2022-08-04

    IPC分类号: G09G3/20

    摘要: A display device includes a display panel including pixels, and a driver to drive the display panel based on input image data. The driver performs a sensing operation for the pixels, to selectively perform the sensing operation by comparing grayscale values of the input image data and a reference grayscale value, to selectively perform a luminance control operation for controlling luminance of the display panel in response to a luminance control signal, and to adjust the reference grayscale value when the luminance control operation is performed.

    Touch panel and touch display apparatus

    公开(公告)号:US10401670B2

    公开(公告)日:2019-09-03

    申请号:US15716121

    申请日:2017-09-26

    摘要: A touch panel includes a first polarizing element, a first substrate, a liquid crystal layer, a second polarizing element, a touch electrode layer, a color converting layer and a second substrate. The first polarizing element has a first polarizing axis. The first substrate is disposed on the first polarizing element. The liquid crystal layer is disposed on the first substrate. The second polarizing element is disposed on the liquid crystal layer, includes a plurality of polarizing touch electrodes, and has a second polarizing axis crossing the first polarizing axis. The touch electrode layer is disposed on the liquid crystal layer, disposed adjacent to the second polarizing element and includes a plurality of touch electrodes. The color converting layer is disposed on the second polarizing element. The second substrate is disposed on the color converting layer.

    DISPLAY DEVICE AND CONTROL METHOD THEREOF
    4.
    发明申请
    DISPLAY DEVICE AND CONTROL METHOD THEREOF 有权
    显示装置及其控制方法

    公开(公告)号:US20150130851A1

    公开(公告)日:2015-05-14

    申请号:US14217201

    申请日:2014-03-17

    IPC分类号: G09G5/18 G09G3/32 G09G3/36

    摘要: A display device includes: a display unit including a plurality of pixels and a plurality of division areas; a data driver configured to apply a data signal corresponding to image data to the display unit, and to control a slew rate of the data signal, based on a bias voltage; and a bias controller configured to control the data driver so that the slew rate of the data signal is changed for each division area, based on a luminance variation of the image data corresponding to each of the division areas.

    摘要翻译: 显示装置包括:显示单元,包括多个像素和多个划分区域; 数据驱动器,被配置为将对应于图像数据的数据信号施加到所述显示单元,并且基于偏置电压来控制所述数据信号的转换速率; 以及偏置控制器,被配置为基于与每个分割区域相对应的图像数据的亮度变化来控制数据驱动器,使得数据信号的转换速率针对每个划分区域改变。

    Method of adjusting source voltage by vertical portion for driving display panel and display apparatus performing the method
    5.
    发明授权
    Method of adjusting source voltage by vertical portion for driving display panel and display apparatus performing the method 有权
    用于驱动显示面板的垂直部分调节源电压的方法和执行该方法的显示装置

    公开(公告)号:US09483989B2

    公开(公告)日:2016-11-01

    申请号:US14067708

    申请日:2013-10-30

    IPC分类号: G09G3/36 G09G3/34 G09G3/30

    摘要: A method of driving a display panel includes determining a source voltage level by a vertical portion in a present horizontal line of the display panel based on data of the present horizontal line, the display panel including a plurality of vertical portions extended along a vertical direction and arranged in a horizontal direction (the plurality of vertical portions including a vertical portion), generating correction data of the present horizontal line by the vertical portion utilizing the source voltage level of the present horizontal line determined by the vertical portion, generating a source voltage of the present horizontal line by the vertical portion utilizing the source voltage level of the horizontal line determined by the vertical portion, and driving the display panel by the vertical portion utilizing the correction data and the source voltage of the present horizontal line.

    摘要翻译: 驱动显示面板的方法包括基于当前水平线的数据,通过显示面板的当前水平线中的垂直部分确定源极电压电平,所述显示面板包括沿垂直方向延伸的多个垂直部分,以及 沿着水平方向布置(多个垂直部分包括垂直部分),利用由垂直部分确定的当前水平线的源极电压电平,通过垂直部分产生当前水平线的校正数据,产生源极电压 使用由垂直部分确定的水平线的源极电压电平的垂直部分的当前水平线,并且利用校正数据和当前水平线的源电压来驱动显示面板。

    METHOD OF DRIVING DISPLAY PANEL AND DISPLAY APPARATUS PERFORMING THE METHOD
    7.
    发明申请
    METHOD OF DRIVING DISPLAY PANEL AND DISPLAY APPARATUS PERFORMING THE METHOD 有权
    驱动显示面板的方法和执行方法的显示设备

    公开(公告)号:US20150009241A1

    公开(公告)日:2015-01-08

    申请号:US14067708

    申请日:2013-10-30

    IPC分类号: G09G3/20

    摘要: A method of driving a display panel includes determining a source voltage level by a vertical portion in a present horizontal line of the display panel based on data of the present horizontal line, the display panel including a plurality of vertical portions extended along a vertical direction and arranged in a horizontal direction (the plurality of vertical portions including a vertical portion), generating correction data of the present horizontal line by the vertical portion utilizing the source voltage level of the present horizontal line determined by the vertical portion, generating a source voltage of the present horizontal line by the vertical portion utilizing the source voltage level of the horizontal line determined by the vertical portion, and driving the display panel by the vertical portion utilizing the correction data and the source voltage of the present horizontal line.

    摘要翻译: 驱动显示面板的方法包括基于当前水平线的数据,通过显示面板的当前水平线中的垂直部分确定源极电压电平,所述显示面板包括沿垂直方向延伸的多个垂直部分,以及 沿着水平方向布置(多个垂直部分包括垂直部分),利用由垂直部分确定的当前水平线的源极电压电平,通过垂直部分产生当前水平线的校正数据,产生源极电压 使用由垂直部分确定的水平线的源极电压电平的垂直部分的当前水平线,并且利用校正数据和当前水平线的源电压来驱动显示面板。

    Display device which senses and compensates for degradation of a pixel and method of driving display device

    公开(公告)号:US11727863B2

    公开(公告)日:2023-08-15

    申请号:US17732375

    申请日:2022-04-28

    IPC分类号: G09G3/32

    摘要: A display device including pixels; a controller configured to generate first compensation data based on first sensing data with respect to threshold voltages of driving transistors of the pixels which are sensed during a first sensing period, to generate second compensation data based on second sensing data with respect to mobilities of the driving transistors of the pixels which are sensed during the first sensing period, to generate third compensation data based on third sensing data with respect to mobility change amounts of the driving transistors of the pixels which are sensed using image data for sensing compensated based on the first and second compensation data during a second sensing period, and to compensate input image data based on the first, second, and third compensation data to generate compensated image data; and a data driver configured to provide data voltages to the pixels based on the compensated image data.

    Electroluminescent display and method of driving the same
    10.
    发明授权
    Electroluminescent display and method of driving the same 有权
    电致发光显示器及其驱动方法

    公开(公告)号:US09542877B2

    公开(公告)日:2017-01-10

    申请号:US14699933

    申请日:2015-04-29

    摘要: An electroluminescent display and a method of driving the same are disclosed. In one aspect, the display includes a display panel including a plurality of pixels configured to operate based on a first power supply voltage having a negative voltage level. The display panel is configured to generate at least one feedback voltage corresponding to an ohmic drop of the first power supply voltage. An analog-to-digital converter is configured to generate at least one digital feedback signal based on the at least one feedback voltage. An adaptive voltage controller is configured to generate a voltage control signal based on input image data, the at least one digital feedback signal, a distribution of the input image data and the ohmic drop of the first power supply voltage. A voltage converter is configured to generate the first power supply voltage based on an input voltage and the voltage control signal.

    摘要翻译: 公开了一种电致发光显示器及其驱动方法。 一方面,显示器包括显示面板,其包括被配置为基于具有负电压电平的第一电源电压进行操作的多个像素。 显示面板被配置为产生对应于第一电源电压的欧姆下降的至少一个反馈电压。 模拟 - 数字转换器被配置为基于所述至少一个反馈电压来生成至少一个数字反馈信号。 自适应电压控制器被配置为基于输入图像数据,至少一个数字反馈信号,输入图像数据的分布和第一电源电压的欧姆下降来产生电压控制信号。 电压转换器被配置为基于输入电压和电压控制信号产生第一电源电压。