Pixel circuit and driving method thereof, and display device

    公开(公告)号:US11030959B2

    公开(公告)日:2021-06-08

    申请号:US16650217

    申请日:2018-09-17

    Abstract: A pixel circuit and a driving method thereof and a display device are provided. In the pixel circuit, a driving circuit is configured to control a driving current flowing through a first terminal and a second terminal of the driving circuit for driving a light emitter element to emit light; a data writing circuit is configured to write a data signal to a control terminal of the driving circuit in response to a scan signal; a first light emission control circuit is configured to apply a first voltage to the first terminal in response to a first light emission control signal; a first reset circuit is configured to apply a reset voltage to the control terminal in response to a first reset signal. The driving circuit is in a fixed bias state when the reset voltage and the first voltage are applied together to the driving circuit.

    Pixel driving circuit and driving method therefor, and display panel

    公开(公告)号:US11024232B2

    公开(公告)日:2021-06-01

    申请号:US16769420

    申请日:2019-11-11

    Abstract: A pixel driving circuit and a driving method thereof, and a display panel are provided. The pixel driving circuit includes a driving sub-circuit, a reset sub-circuit, a light-emitting control sub-circuit, and a first compensation sub-circuit, the reset sub-circuit, the light-emitting control sub-circuit, and the first compensation sub-circuit are configured to, in an initialization phase, under control of a first driving signal and a second driving signal, provide the first power supply voltage provided by the first power supply input terminal to the control terminal of the driving sub-circuit; the first terminal of the driving sub-circuit is connected to the second power supply input terminal to receive the second power supply voltage; and the first power supply voltage and the second power supply voltage are configured to cause the driving sub-circuit to be in an on-bias state in the initialization phase.

    PIXEL CIRCUIT, DRIVING METHOD THEREOF AND DISPLAY APPARATUS

    公开(公告)号:US20210150975A1

    公开(公告)日:2021-05-20

    申请号:US16891124

    申请日:2020-06-03

    Abstract: A pixel circuit, a driving method thereof and a display apparatus are provided. The pixel circuit comprises a control module, a short-circuit protection module, a drive transistor and a light-emitting device, wherein the short-circuit protection module is used for providing a data voltage to a gate of the drive transistor in response to a gate signal; a second pole of the drive transistor is connected to a positive pole of the light-emitting device, and a negative pole of the light-emitting device receives a second power supply voltage; the short-circuit protection module is used for providing a third power supply voltage to the gate of the drive transistor to turn off the drive transistor in response to the data voltage provided to the gate of the drive transistor and the second power supply voltage provided to the positive pole of the light-emitting device.

    COLOR VECTOR CONVERSION METHOD AND DEVICE APPLICABLE FOR DISPLAY DEVICE

    公开(公告)号:US20190335063A1

    公开(公告)日:2019-10-31

    申请号:US16222000

    申请日:2018-12-17

    Abstract: The present disclosure relates to a color vector conversion method and device suitable for a display device. The method includes determining a three-dimensional vector of a first intersection point according to the three-dimensional vector of the to-be-converted point and a three-dimensional vector of a reference point. The method includes determining a three-dimensional vector of a second intersection point according to the three-dimensional vector of the first intersection point and a three-dimensional vector of a first vertex. The method includes converting the three-dimensional vector of the second intersection point to an N-dimensional vector according to N-dimensional vectors of two endpoints located on the first side. The method includes determining an N-dimensional vector of the first intersection point according to the N-dimensional vector of the second intersection point. The method includes determining an N-dimensional vector of the to-be-converted point according to the N-dimensional vector of the first intersection point.

    Capacitive in-cell touch panel, display device, and driving method

    公开(公告)号:US09823788B2

    公开(公告)日:2017-11-21

    申请号:US14435548

    申请日:2014-09-03

    Inventor: Wei Qin

    Abstract: A capacitive in-cell touch panel, a display device and a driving method are provided. For the capacitive in-cell touch panel, at least one gate line (4) or at least one data line (5) is reused as a first touch sensing electrode, a plurality of mutually independent common electrodes (6) are disposed to intersect the first touch sensing electrode, and at least one common electrode (6) is reused as a second touch sensing electrode. The capacitive in-cell touch panel can reduce the number of masking in the manufacturing process, reduce the thickness of the touch panel and reduce the production cost. In the driving process of the touch panel, certain period is set aside of a frame of picture as touch period, that is, a time division driving mode is used for the touch time period and the display time period, it is also possible to avoid mutual interference between display signals and touch driving signals and in turn guarantee the quality of displayed picture and the touch accuracy.

    Array substrate and the method for making the same, and display device
    69.
    发明授权
    Array substrate and the method for making the same, and display device 有权
    阵列基板及其制作方法及显示装置

    公开(公告)号:US09576989B2

    公开(公告)日:2017-02-21

    申请号:US14348297

    申请日:2013-04-27

    Inventor: Wei Qin Wenqi Li

    CPC classification number: H01L27/1288 G02F1/133345 G02F1/136227 H01L27/124

    Abstract: An array substrate and the method for making the same, and a display device are provided. The method includes step 1, forming a pattern comprising a gate electrode and a gate line on a substrate, and providing photoresist at a position reserved for a first via hole above the gate line in a non-display area; step 2, forming a pattern of functional layers of a thin film transistor (TFT) and a data line on the substrate after the above step; step 3, forming a pattern comprising a first pixel electrode on the substrate after the above steps, and then forming a passivation layer; step 4, removing the photoresist provided above the position reserved for the first via hole and film layer thereabove from the substrate after the above steps, so as to form the first via hole.

    Abstract translation: 阵列基板及其制造方法以及显示装置。 该方法包括步骤1,在基板上形成包括栅电极和栅极线的图案,并且在非显示区域中在栅极线上方的第一通孔预留的位置处提供光致抗蚀剂; 步骤2,在上述步骤之后,在基板上形成薄膜晶体管(TFT)和数据线的功能层的图案; 步骤3,在上述步骤之后,在基板上形成包括第一像素电极的图案,然后形成钝化层; 步骤4,在上述步骤之后,从基板上去除设置在其上方的第一通孔和薄膜层上方的光致抗蚀剂,以形成第一通孔。

    Liquid crystal panel and liquid crystal display
    70.
    发明授权
    Liquid crystal panel and liquid crystal display 有权
    液晶面板和液晶显示屏

    公开(公告)号:US09488860B2

    公开(公告)日:2016-11-08

    申请号:US14348419

    申请日:2013-08-13

    Abstract: A liquid crystal panel and a LCD are provided. The liquid crystal panel comprises an array substrate (1) and a color filter substrate disposed (2) as opposed to each other and a liquid crystal layer (3) disposed therebetween, wherein a first barrier layer (5) is disposed on the array substrate (1), the first barrier layer (5) comprises a first part (11) configured to reflect light and a second part (12) configured to transmit light, the first and second parts (11, 12) are arranged alternately; a second barrier layer (6) is disposed on the color filter substrate (2), the second barrier layer (6) comprises a third part (13) configured to reflect light and a fourth part (14) configured to transmit light, the third and fourth parts (13, 14) are arranged alternately; the first part (11) of the first barrier layer (5) and the fourth part (14) of the second barrier layer (6) are equal in width and aligned to each other, the second part (12) of the first barrier layer (5) and the third part (13) of the second barrier layer (6) are equal in width and aligned to each other, such that light passing through the second part (12) of the first barrier layer (5) is reflected by the third part (13) of the second barrier layer (6), and light passing through the fourth part (14) of the second barrier layer (6) is reflected by the first part (11) of the first barrier layer (5). The liquid crystal panel of the invention realizes dual-side display at a lower cost.

    Abstract translation: 提供液晶面板和LCD。 液晶面板包括阵列基板(1)和布置成彼此相对的滤色器基板(2)和设置在其间的液晶层(3),其中第一阻挡层(5)设置在阵列基板 (1)中,第一阻挡层(5)包括被配置为反射光的第一部分(11)和被配置为透射光的第二部分(12),第一和第二部分(11,12)交替布置; 第二阻挡层(6)设置在滤色器基板(2)上,第二阻挡层(6)包括被配置为反射光的第三部分(13)和被配置为透射光的第四部分(14),第三阻挡层 和第四部分(13,14)交替布置; 第一阻挡层(5)的第一部分(11)和第二阻挡层(6)的第四部分(14)的宽度相等并且彼此对准,第一阻挡层的第二部分(12) 所述第二阻挡层(6)的所述第二部分(5)和所述第三部分(13)的宽度相等并且彼此对准,使得穿过所述第一阻挡层(5)的所述第二部分(12)的光被所述第一阻挡层 第二阻挡层(6)的第三部分(13)和穿过第二阻挡层(6)的第四部分(14)的光被第一阻挡层(5)的第一部分(11)反射, 。 本发明的液晶面板以更低的成本实现双面显示。

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