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

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.

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.

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.

The invention discloses an array substrate, a preparation method thereof, a fingerprint recognition method and a display device. The array substrate comprises a substrate body, multiple pixel units and multiple fingerprint recognition units, wherein the pixel units and the fingerprint recognition units are located in a display region of the substrate body. By arranging the fingerprint recognitionunits in the display region of the array substrate and making orthographic projection of through holes in the fingerprint recognition units on the substrate body not overlap with orthographic projection of the pixel units and all wires connected with the pixel units on the substrate body, sheltering of the fingerprint recognition units by all films of the pixel units is avoided while the apertureratio of the array substrate is not influenced, and therefore it is convenient for the array substrate to achieve a fingerprint recognition function.

The invention discloses an array substrate, a display panel and a display device. The array substrate comprises a gate driving circuit, wherein the gate driving circuit comprises a plurality of cascaded shift register units, each shift register unit is connected with a scanning line, and the plurality of cascaded shift register units are electrically connected through cascaded wires; each shirt register unit comprises a bootstrap capacitor; the bootstrap capacitor comprises a first pole plate, the first pole plate is arranged in a mode of being overlapped with the corresponding cascade wire, and the part, which is overlapped with the first pole plate, of the cascade wire is multiplexed as a second pole plate of the bootstrap capacitor. Therefore, the second pole plate of the bootstrap capacitor is not required to be additionally arranged, thereby being capable of reducing the layout area occupied by the bootstrap capacitors on the array substrate, thus being capable of reducing the layout area of the whole gate driving circuit, and being conducive to a narrow frame design of the display device.

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.

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.

The invention provides a liquid crystal display panel and an array substrate of the liquid crystal display panel. The array substrate comprises a base body, a first metal layer, a first dielectric layer, a second metal layer, an insulation layer and an electrode layer, and the first metal layer, the first dielectric layer, the second metal layer, the insulation layer and the electrode layer are formed on the base body. A first capacitor is formed by the first metal layer, the first dielectric layer and the second metal layer, a second capacitor is formed by the second metal layer, the insulation layer and the electrode layer, and the electrode layer penetrates through a channel hole of the first dielectric layer and the insulation layer to be connected with the first metal layer so that the first capacitor and the second capacitor can be connected in parallel. In this way, the occupied area of a GOA circuit on the array substrate can be reduced, and the narrow frame design of the liquid crystal display panel is facilitated.

The invention discloses a GOA unit circuit comprising first to tenth film transistors, first to third capacitors, a SCAN signal input end, an EM signal input end, a SCAN signal output end, an EM signal output end, first to third clock signal ends, a high level end, a low level end, and A to C circuit nodes. The invention also discloses a GOA circuit; the number of film transistors and capacitors needed by the GOA unit circuit can be reduced, and the output signal is stable with no offset.

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.

The invention discloses a shift register unit, a driving method thereof, a gate driving circuit and a display device. The shift register unit comprises a first input module, a second input module, a first node control module, a second node control module, a third node control module and N output modules, and is characterized in that the first input module, th second input module and the first nodecontrol module are used for performing control on a first node; the second node control module is used for performing control on a second node so as to facilitate the third node control module to perform control on a third node according to the second node and the first node, and the N output modules perform control on corresponding output terminals according to corresponding clock signal terminals under the control of the first node. The shift register unit controls the plurality of output terminals through the plurality of output modules, so that one shift register unit can be connected toa plurality of grid lines, and the number of the shift register unit can be reduced when the shift register unit is applied to a display panel, thereby being conducive to the narrow-frame design.

The embodiment of the invention provides a display panel and a display device and relates to the technical field of display. The display device is used for improving the antistatic performance of thedisplay panel with an open hole design. The display panel comprises a first non-display area, a display area positioned at the periphery of the first non-display area and a second non-display area positioned at the periphery of the display area, wherein the display area surrounds the first non-display area; the display panel also comprises touch electrodes, dummy electrodes positioned between every two adjacent touch electrodes, an electrostatic discharge wire surrounding the first non-display area and an electrostatic protection circuit positioned in the second non-display area, wherein the electrostatic discharge wire is connected to the electrostatic protection circuit through the dummy electrodes.

The present disclosure provides a touch display panel including a self-capacitance or mutual-capacitance type touch display panel, a manufacturing method and a method driving for the same and a display device. The self-capacitance type touch display panel includes an array substrate having a first metal layer and self-capacitance touch electrodes, and a touch control chip. Each touch electrode includes common electrodes, first metal layer includes touch lead wires corresponding to the touch electrodes, and each touch electrode is connected with the touch control chip via a corresponding touch lead wire. The touch lead wire is configured to transmit a common electrode signal to the touch electrode during a display stage, to transmit a touch scan signal to the touch electrode during a touch stage, and to transmit a touch signal, which is generated by the touch electrode at a position where a touch operation occurs, to the touch control chip.

The invention provides a display panel, which comprises a pixel unit located in a display area and a GOA circuit area located in a non-display area. The GOA circuit area comprises n stages of cascadedGOA circuit units and N high-frequency clock signal lines. Each stage of GOA circuit unit is electrically connected with one of the N high-frequency clock signal lines through a signal connecting line; the first high-frequency clock signal line to the Nth high-frequency clock signal line are sequentially arranged on one side of the display area from near to far; the display panel further comprises at least two compensation unit sets, the compensation unit sets are located in the area where the N high-frequency clock signal lines are located, and one compensation unit set comprises N-1 compensation units. And the first high-frequency clock signal line to the (N-1) th high-frequency clock signal line are electrically connected with the (N-1) th compensation units in a one-to-one correspondence manner. The compensation unit group is arranged in the area where the high-frequency clock signal line is located, so that the problem that the GOA area is wide is solved, and the narrow frame design of the panel is facilitated.

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.

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.

The invention discloses a pixel definition layer, an ink-jet printing method, a display substrate and a preparation method thereof and a display device. The pixel definition layer comprises a displaypixel definition region and an auxiliary pixel definition region surrounding the display pixel definition region; the display pixel definition region comprises a plurality of first pixel definition units; the auxiliary pixel definition region comprises a plurality of second pixel definition units, and the opening area of at least a part of the second pixel definition units is greater than that ofthe first pixel definition units. According to the pixel definition layer, the drying speed of ink-jet printing ink positioned inside an edge and an internal opening can be balanced during ink-jet printing by setting few second pixel definition units, so that the form of ink after drying is more uniform.

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.

The invention provides an OLED display panel. The OLED display panel includes an array substrate comprising a display zone and a non-display zone on the periphery of the display zone; a planarizationlayer arranged on the array substrate; a pixel definition layer arranged on the planarization layer; an OLED device arranged in a definition area of the pixel definition layer and penetrating throughthe planarization layer to contact with the array substrate; a package layer covering the OLED device, the pixel definition layer and the array substrate, wherein the contact faces of the pixel definition layer and the package layer in the non-display zone are non-planar contact faces. According to the invention, through arranging the contact faces of the pixel definition layer and the package layer as the non-planar contact faces, an organic layer in the package layer is blocked at the border of the pixel definition layer, the quantity of peripheral retaining walls is reduced and the peripheral area of the package layer is further reduced. Therefore, the narrow frame design of the OLED display panel is facilitated.

A pixel driving circuit for driving a pixel unit comprises a light emitting element, a first initiating transistor, a drive transistor with a first gate electrode and a second gate electrode, a controlling transistor, a resetting transistor, a second initiating transistor, a first storage capacitor, and a second storage capacitor. A gate electrode of the second initiating transistor receives the second control signal, a source electrode of the second initiating transistor is electrically connected to an anode of the light emitting element, and a drain electrode of the second initiating transistor is electrically connected to a source electrode of the second initiating transistor. The second initiating transistor controls the second storage capacitor to discharge through the light emittingelement and resets the anode of the light emitting element. The invention also provides a display apparatus with the pixel drive circuit.

A display device comprises a backlight module, a display panel and a first glue layer. The backlight module comprises a light guiding plate, a flexible reflecting sheet and a light source. The light guiding plate is provided with a light incoming face, a light outgoing face, a back face and a plurality of side faces. The flexible reflecting sheet is provided with a first area segment and a plurality of second area segments. The back face of the light guiding plate leans against the first area segment; the second area segments are connected to the first area segment and are bent relative to the first area segment; and at least part of the second area segments cover the side faces of the light guiding plate correspondingly. The light source is arranged on the flexible reflecting sheet and is aligned with the light incoming face of the light guiding plate. The light outgoing face faces the display panel. The display panel and the backlight module adhere to each other through the first glue layer. The first glue layer is located between the display panel and the second area segments of the flexible reflecting sheet. The invention also discloses an assembling method of the display device. Thus, the display device can achieve the frame narrowing function.

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.

The invention provides a liquid crystal display device and a backlight module thereof. The backlight module comprises a back frame, lamp sources arranged on the back frame and supporting pieces. The supporting pieces are arranged on the back frame and used for supporting a display panel arranged on bearing faces of the supporting pieces. By means of the mode, the glue-frame-free design is adopted, the production and manufacture cost of the liquid crystal display device and the backlight module thereof can be reduced, and the narrow frame design of the liquid crystal display device is facilitated.

The invention discloses a scanning circuit, a gate drive circuit and a display device, the scanning circuit is used for scanning an n-level gate line, the scanning circuit comprises: a first clock signal end to an m-th clock signal end, a signal control unit, a latch unit and a first output unit to an n-th output unit; wherein, according to the control of m clock signal ends, the signal control unit is controlled to output an open signal to the latch unit, the latch unit is controlled to latch the open signal and output to the output units, n output units are controlled to output the open signal in sequence to complete the scanning, the scanning circuit has simple structure, the occupied layout area is small, and the above characteristics are good for the narrow bezel design of the display device.

The present invention provides a short-circuit unit comprising: a plurality of signal lines divided into a plurality of groups, each group comprising multiple signal lines, and the multiple signal lines in a same group are not adjacent to each other; a plurality of short-circuit lines, each group of the signal lines correspond to one short-circuit line, and the short-circuit line electrically connects all of the signal lines in the group corresponding to the short-circuit line, the plurality of short-circuit lines are disposed in different layers and the short-circuit lines in different layers are insulated from each other. The present invention also provides an array substrate. In the short-circuit unit of the present invention, the short-circuit lines are disposed in different layers. Compared to the existing solutions in which the short-circuit lines are provided in a same layer, the width occupied by the short-circuit unit of the present invention is smaller.

The invention discloses a GOA circuit unit, which comprises a scanning part and an inverter, wherein the inverter is connected to an output end of the scanning part; and a scanning signal, which is outputted from the scanning part, is processed by virtue of the inverter, so that an emitting signal is generated. By generating the emitting signal via the inverter, a circumstance of generating the emitting signal through the additional use of thin film transistors and capacitors can be avoided, so that the quantities of the thin film transistors and the capacitors can be reduced, and border narrowing design can be facilitated. The invention also provides a GOA circuit and a display panel using the GOA circuit unit and a driving method of the GOA circuit unit.

The invention discloses a touch display circuit, a driving method thereof, a touch display panel and a display device. In the touch stage, a touch trigger module provides a signal at a signal trigger end for an upwards-pulled node, a first output module provides a signal of a first clock signal end for a touch signal output end, a reset module provides a signal of a first reference signal end for the upwards-pulled node, a second output module provides a signal of a second reference signal end for a touch signal output end, and therefore a touch function is achieved. In the display stage, a display switching module provides a signal of a public electrode signal end for the touch signal output end, and therefore a display function is achieved. Through the cooperation of all the modules, the time-share output of the touch signal and the public electrode signal is achieved at the touch signal output end, and therefore the touch display circuit simple in structure is obtained, and the narrow frame design of the touch display panel is facilitated.

The invention relates to the technical field of display panels, and discloses a display panel and a display device. The display panel comprises a substrate and a packaging layer, wherein the substrate is defined with a display area and a non-display area arranged around the display area; the packaging layer covers the substrate; and water-oxygen barriers are embedded in the packaging layer or between the packaging layer and the substrate in the non-display area. According to the above mode, the packaging effect of the packaging layer of the display panel can be improved so as to facilitate the narrow frame design of the display panel.

The invention provides a touch driving method, a touch panel and a touch display device. Pulse signal parameters required are calculated according to the positions of the respective emitting electrodes, and different driving pulses are generated according to different pulse signal parameters and sent to corresponding first touch electrodes, so that signal compensation can be carried out for the first touch electrodes remote from the controller and the driving voltages finally applied to the first touch electrodes are the same; the inductive signal intensities of the second touch electrodes areequal, the normal operation of the controller is ensured, and the reliability of the touch control is ensured. In addition, the influence of the first signal line resistance can be overcome, which isadvantageous to the narrow frame design of the touch panel.