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106results about How to "Conducive to narrow bezel design" patented technology

LCD (liquid crystal display) data driven IC (integrated circuit) output compensation circuit and compensation method

The invention relates to an LCD (liquid crystal display) data driven IC (integrated circuit) output compensation circuit and a compensation method. The circuit comprises a data driven IC, a plurality of first switching unit and a delay control unit. A plurality of output channels of the data driven IC are respectively connected with pixel electrodes on corresponding lines in a glass substrate through data lines and output charging signals to charge the pixel electrodes on the corresponding lines; each output channel is provided with one first switching unit for controlling the output channel on which the first switching unit is positioned according to delay control signals generated by the delay control unit and outputting the charging signals according to preset delayed time; and the delay control unit generates the corresponding delay control signals according to impedance values of the corresponding data lines so as to control to start the corresponding first switching unit according to the preset delayed time and ensure each pixel electrode to have equal charging time. The LCD data driven IC output compensation circuit does not need to be wound with a wire; the routing space of the glass substrate is reduced, the LCD data driven IC output compensation circuit is beneficial to the design of a narrow border of a liquid crystal display, and the EMI (Electro Magnetic Interference) problem generated when all the output channels are simultaneously opened are improved.
Owner:TCL CHINA STAR OPTOELECTRONICS TECH CO LTD

Array substrate drive circuit, array substrate and corresponding liquid crystal displayer

The embodiment of the invention discloses an array substrate drive circuit which comprises a plurality of GoA drive units. Each GoA drive unit is connected with a grid line; the GoA drive units connected with the grid lines in odd-number lines are arranged at one side of an array substrate and the GoA drive units connected with the grid lines in even-number lines are arranged at the other side of the array substrate; each GoA drive unit is provided with two drive signal input ends and one input end, every two drive signal input ends are connected with the output end of the upper-level GoA drive unit and the output end of the lower-level GoA drive unit respectively and used for receiving drive signals output by the upper-level GoA drive unit and the lower-level GoA drive unit, drive signals of the GoA drive unit of the level is output to one grid line connected with the GoA drive unit through the output end, and the GoA drive units arranged at the two sides of the array substrate drive the grid lines of the array substrate in an alternating mode. The embodiment of the invention further discloses the array substrate and a liquid crystal displayer. According to the array substrate drive circuit, the array substrate and the liquid crystal displayer, area occupied by the array substrate drive circuit can be reduced and narrow frame design of the liquid crystal displayer is facilitated.
Owner:TCL CHINA STAR OPTOELECTRONICS TECH CO LTD

Shift register and grid drive circuit

The invention discloses a shift register and a grid drive circuit. The shift register comprises a signal input unit, a reset control unit, a glowing signal output control unit and a scanning signal output control unit; in a charging stage, the signal input unit controls the glowing signal output control unit to conduct a first reference signal terminal and a glowing signal output terminal, and controls the scanning signal output control unit to conduct a second clock signal terminal and a scanning signal output terminal; in a scanning signal output stage, the scanning signal output terminal outputs a scanning signal; in a glowing signal output stage, the glowing signal output terminal outputs a glowing signal. The shift register provided by the embodiment of the invention integrates the functions of outputting the scanning signal and the glowing signal, so that a glowing drive circuit, which is arranged on the frame of an OLED display panel and is used for providing glowing signals for all pixel circuits, is eliminated; the shift register is conducive to narrow frame design of the display panel.
Owner:BOE TECH GRP CO LTD +1

Display panel, electronic device and test method

The invention discloses a display panel, an electronic device and a test method. The display panel comprises a plurality of data lines that are arranged parallel to each other and a display array, wherein the data lines extend in a first direction, the display array comprises a plurality of pixel units that are arranged in an array manner, the pixel units and the data lines are equal in quantity, and one line of pixel units are electrically connected with a data line correspondingly; in a first direction, a test switch circuit is arranged on one side of the display array, and driving lead pins and test lead pins are arranged on the other side of the display array; the test switch circuit has a control end, an input end and an output end; the driving lead pins are electrically connected with the control end, the driving lead pins are used for inputting switch control signals, the test lead pins are used for inputting test signals, the test lead pins are electrically connected with the input end via part of the data lines, and the rest of the data lines are connected with the output end. According to a technical solution of the display panel, the electronic device and the test method, the data lines are reused as signal lines for the test lead pins, and narrow frame design can be facilitated.
Owner:WUHAN TIANMA MICRO ELECTRONICS CO LTD

Shift register unit, driving method, gate driving circuit, and display device

The embodiment of the invention provides a shift register unit, a driving method, a gate driving circuit and a display device, relates to the technical field of display, and can solve a problem that aconventional GOA circuit cannot meet the requirement of the narrow frame of a display device due to the complicated structure. An output unit in the shift register unit includes a first output moduleconnected with a first signal output end, and a second output module connected with a second signal output end. The first signal output end and the second signal output end are used for connecting different gate lines. A pull-down unit comprises a first pull-down module and a second pull-down module. The output unit is connected with a pull-up node, and the pull-down unit is connected with the pull-down node. The pull-up node is used for controlling the first signal output end and the second signal output end to sequentially output a first working signal and a second working signal. The pull-down node is used for controlling the first signal output end and the second signal output end to stop outputting the first working signal and the second working signal.
Owner:BOE TECH GRP CO LTD +1

Array substrate, display panel and display device

The invention discloses an array substrate, a display panel and a display device. The array substrate comprises a substrate, a scanning line, a data line, data transmission signal lines and a driving chip. The at least one data transmission signal line comprises a first section and a second section, the first section and the second section are formed on different conductor layers relative to the substrate, the first section comprises a first end and a first overlapping part connected with the first end, the second section comprises a second end and a second overlapping part connected with the second end, the first end and the second end are electrically connected through a connecting hole formed in an insulating layer arranged between a first conductor layer and a second conductor layer, and an included angle alpha between a first direction and an orthographic projection of a connecting line of the first end and the second end on the substrate meets that alpha is larger than or equal to 0 degrees and smaller than or equal to 90 degrees. The first overlapping part and the second overlapping part cover the connecting hole and are at least partially overlapped in the direction perpendicular to the substrate. Two layers of routing of the data transmission signal lines can be implemented through the execution mode, and the execution mode is favorable for narrow frame design.
Owner:XIAMEN TIANMA MICRO ELECTRONICS +1

Touch display panel, driving method and production method thereof and touch display device

The invention discloses a touch display panel, a driving method and a production method thereof and a touch display device, and relates to the technical field of touch display. The touch display panel comprises grid lines, data lines and common electrodes; in the direction parallel to the grid lines, the touch display panel comprises one or more touch subareas, each touch subarea comprises common electrode lines and touch signal lines, and the common electrode lines are parallel to the grid lines and connected with the corresponding common electrodes; the touch signal lines are parallel to the data lines, and each touch signal line is connected with at least one common electrode line; the touch signal lines and the common electrode lines are used for transmitting display potential signals to the corresponding common electrodes in a display time interval of each frame, transmitting touch driving signals to the common electrodes in a touch time interval of each frame line by line and transmitting touch sensing signals.
Owner:BOE TECH GRP CO LTD +1

Output compensation circuit and output compensation method for LCD data drive ic, and LCD

An output compensation circuit and an output compensation method for an LCD data drive IC as well as an LCD comprising the same are disclosed. The output compensation circuit comprises a data drive IC, a plurality of first switch units and a plurality of delay control units. A plurality of output channels of the data drive IC each are connected with a corresponding row of pixel electrodes on a glass substrate via a data line respectively to output a charging signal. Each of the first switch units control the corresponding output channel according to a delay control signal generated by the corresponding delay control unit. Each of the delay control units is configured to generate the delay control signal-used to control the first switch unit to be turned on after a predetermined delay so that the charging time is the same for all the pixel electrodes.
Owner:TCL CHINA STAR OPTOELECTRONICS TECH CO LTD

Display panel and manufacturing method thereof, and display device

The embodiments of the invention provide a display panel and a manufacturing method thereof, and a display device, which relate to the technical field of display. The invention aims to increase the screen-to-body ratio of the display panel. The display panel includes a display area, a first non-display area and a bending area. The bending area surrounds the display area, and the first non-displayarea surrounds the bending area. The first non-display area includes multiple sub non-display areas. The bending area includes bending shafts. Each sub non-display area is bent by the corresponding bending shaft to a plane different from the display area in a direction away from the light-out surface of the display panel. The included angle theta(1) between the plane of each sub non-display area and the plane of the display area satisfies: 0<theta(1)<=180 degrees.
Owner:SHANGHAI TIANMA MICRO ELECTRONICS CO LTD

Display substrate, display panel and display device

The invention discloses a display substrate, a display panel and a display device, and belongs to the technical field of display. The display substrate comprises a display area and a non-display area.The display area comprises a plurality of first signal lines, a plurality of second signal lines and a fingerprint sensor. The first signal lines and the second signal lines are electrically connected with the fingerprint sensor. The non-display area comprises a plurality of first signal line connecting lines. The display substrate comprises a plurality of first signal line sets. The first signalline connecting lines comprise a first connecting lines. At least two nonadjacent first signal line sets exist and comprise the first signal line set 1 and the first signal line set 2. First signal lines in the first signal line set 1 are electrically connected with the a first connecting lines in a one-to-one correspondence mode, and first signal lines in the first signal line set 2 are electrically connected with the a first connecting lines in a one-to-one correspondence mode. A is a positive integer. The number of the first signal line connecting lines can be reduced, therefore, the areaof the non-display area is reduced, and the frame narrowing design of the display substrate is benefited.
Owner:SHANGHAI AVIC OPTOELECTRONICS
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