Hkc Corporation Limited

Chongqing Hkc Optoelectronics Technology Co., Ltd.

Wenxin Li

Xiaoyu Huang

A power circuit and a testing device are provided. A first voltage output circuit of the power circuit provides normal working voltage to electronic device, and a second voltage output circuit provides aging voltage to electronic device. The aging voltage is greater than the normal working voltage, and a controller stores a preset failure rate curve of an electronic device and controls switching of output voltages of the first voltage output circuit and the second voltage output circuit according to the preset failure rate curve.

Power circuit and testing device

Provided herein is a circuit for ageing display panel, including an ageing signal input circuit, a power input circuit and a power output circuit, in which the ageing signal input circuit and the power input circuit are independently connected to the power output circuit, and the power output circuit is connected to a load; the ageing signal input circuit is configured to receive an ageing signal and output the ageing signal to the power output circuit; the power input circuit is configured to provide a supply voltage for the power output circuit; and the power output circuit is configured to output the received supply voltage to the load.

Circuit for ageing display panel and display panel

A display panel is provided. The display panel includes a display area, a driver transistor array substrate, a plurality of scanning lines and a control electrode driver chip. The driver transistor array substrate and the plurality of scanning lines are located on the display area; each of the scanning lines is connected to at least one driver transistor; the control electrode driver chip is connected to the scanning lines through output ports; the display area is divided into a first display area and a second display area according to one diagonal line of the driver transistor array substrate; the control electrode driver chip includes a plurality of amplifying circuits, each output port of the control electrode driver chip is for controlling at least one scanning line, and each output port with the number of controlled pixel greater than a first preset value is connected to the scanning line through one amplifying circuit.

Display device and display panel thereof

Disclosed is a method for charging liquid crystal pixels, which includes: pre-charging in sequence a preset number of pixel rows of a current frame from an initial pixel row; charging in sequence the pixel rows from the initial pixel row when the current frame is started to be charged; and acquiring a target pixel row corresponding to currently charged pixel row, when each of the pixel rows is charged, pre-charging the target pixel row, and the target pixel row is charged later than the currently charged pixel row. The present disclosure also provides a display panel and a computer readable storage medium.

Method for charging liquid crystal pixels, display panel, and storage medium

Disclosed is a backlight adjustment circuit including: a reference electrical information circuit, a feedback selection circuit, a main control circuit and at least two parallel light-emitting branches; where the reference electrical information circuit is connected to the main control circuit and is configured to provide reference electrical parameter information to the main control circuit; the feedback selection circuit is respectively connected to the main control circuit and the at least two light-emitting branches and is configured to provide the main control circuit with electrical information of each of the at least two light-emitting branches; and the main control circuit is connected to the at least two light-emitting branches and is configured to adjust a current magnitude of the each of the at least two light-emitting branches according to the reference electrical parameter information and the electrical information of the each of the at least two light-emitting branches.

Backlight adjustment circuit, backlight module and display device

Disclosed are a connector, a display screen, and an electronic device. The connector includes a first connection end, a second connection end, and an anti-off part. The second connection end is detachably connected to the first connection end; the anti-off part is configured to restrict the first connection end and the second connection end from being separated from each other and disconnected when the first connection end and the second connection end are energized and conductive.

Connector, display screen and electronic device

The present disclosure provides an array substrate and a display device. The array substrate includes a plurality of pixel units arranged in a matrix form. When one row of pixel units is charged through a second scanning line, a next row of pixel units is pre-charged through a first scanning line, so as to improve the charging efficiency of the pixel units.

Array substrate and display device with enhanced pixel unit charging efficiency

A driving method and a driving device of a display panel, and a display device are provided, wherein, the driving method of the display panel comprises steps of: turning on gates of transistors of an Nrow of pixels at a first rising edge moment of a clock signal; charging the Nrow of pixels according to a data signal; turning on gates of transistors of an (N+1)row of pixels before a second rising edge moment of the clock signal; charging the (N+1)row of pixels according to the data signal; wherein the second rising edge moment follows after the first rising edge moment and neighbors the first rising edge moment, where N is a positive integer.

Driving method and device of display panel, and display device

The present disclosure provides a circuit board structure and a display panel, the circuit board structure includes mounting substrates and a flexible conductive substrate, and the flexible conductive substrate is connected between two adjacent mounting substrates to connect the two mounting substrates together.

Circuit board structure and display panel

This application provides a drive circuit of a display device and a driving method for the display device. The display device includes a driver module and a display panel. The drive circuit includes: N single-ended to differential modules, connected to N signal output lines of the driver module and 2N scanning lines of the display panel and connected to a clock signal. Each single-ended to differential module is correspondingly connected to one signal output line and two scanning lines. The N single-ended to differential modules are configured to: output, to the 2N scanning lines according to the clock signal, scanning signals output by the N signal output lines, and charge the 2N scanning lines by using the N signal output lines, where N&#x2265;1, and N is a positive integer.

Drive circuit of display device and driving method for display device having single-ended to differential modules

A supply voltage control circuit for a display panel, a display panel and a display device, wherein the supply voltage control circuit includes: a clock, a first conductive device, a second conductive device and an operational amplifying device; the supply voltage control circuit is configured to amplify supply voltage.

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Chongqing, China

Wenxin Li