44results about How to "Facilitate narrow bezels" patented technology

The invention provides a shift register unit and a driving method thereof, a shift register and a display; the shift register unit comprises a first shift register module and a second shift register module; the first shift register module comprises the following elements: a first input module used for inputting an initial signal to a first control node; a second input module used for inputting a first level into a second control node; a first output control module used for inputting a second level into the first control node; a second output control module used for inputting a first clock signal into the second control node; a first output module used for inputting the first clock signal into a first output end; a second output module used for inputting the first level into the first output end. The second shift register module comprises a second output end, a third input module, a fourth input module, a third output control module, a fourth output control module, a third output module and a fourth output module. The number of transistors can be reduced, thus realizing a narrow frame design.

The invention provides a self-contained touch panel, a driving method and a touch display device. The self-contained touch panel comprises a switching unit and multi-row and multi-rank touch control electrodes arrayed in a matrix mode. Each touch control electrode of at least one row of touch control electrodes is connected with the same rank of touch control electrodes in the other row of touch control electrodes through the switching unit, wherein the switching unit is used for controlling the multi-row touch control electrodes to be connected into corresponding touch control signals in a time sharing way in the touch control time section; or each touch control electrode of the at least one rank of touch control electrodes are connected with the same row of touch control electrodes in the other rank of touch control electrodes through the switching unit, wherein the switching unit is used for controlling multi-tank touch control electrodes to be connected into corresponding touch control signals in a time sharing way in the touch control time section. According to the self-contained touch panel, the driving method and the touch display device, the number of channels between the touch control electrodes and the corresponding touch control signal lines can be reduced on the premise of determining the touch position, the dimensions and the production cost of the self-contained touch panel are reduced, and production of narrow borders can be facilitated.

The invention provides a shifting register unit, a driving method, a grid electrode driving circuit and a display device. The shifting register unit comprises a first grid electrode driving control node control module, a second grid electrode driving control node control module, a grid electrode driving signal output module, a first light-emitting control node control module, a second light-emitting control node control module and a light-emitting control signal output module, wherein the first light-emitting control node control module is used for controlling an electric potential of a first light-emitting control node to be a first electric potential under the control of a first grid electrode driving control node at an input phase and an output phase; and the second light-emitting control node control module is used for controlling the electric potential of a second light-emitting control node to be the first electric potential under the control of a light-emitting control signal at an output cutting-off keeping phase. According to the shifting register unit, the driving method, the grid electrode driving circuit and the display device, provided by the invention, the problem in the prior art that the shifting register unit which can provide a low-pulse grid electrode driving signal and a high-pulse light-emitting control signal at the same time, and comprises relatively few signal lines and transistors cannot be provided can be solved.

The present invention provides a pixel circuit. The pixel circuit comprises a drive transistor, a threshold value storage module, a threshold value storage control module, a data storage module, a data writing-in control module, an isolation control module, a luminescence control module and a light-emitting diode. The threshold value storage module is configured to store a voltage written throughthe threshold value storage control module and a threshold voltage of the drive transistor; the data storage module is configured to store a data voltage written through the data writing-in control module; a control end of the isolation control module is electrically connected with a control end of the luminescence control module, and when the control end of the isolation control module receives first luminescence control signals, a first end of the isolation control module communicates with a second end of the isolation control module. The present invention further provides a display panel and a drive method thereof. The display panel has few signal lines so as to arrange more pixel units therein so as to improve the resolution ratio of the display panel.

The invention provides a shift register unit, a driving method thereof, a gate driving circuit and a display device. The shift register unit comprises a first input terminal, a second input terminal,a first pull-up node, a second pull-up node, a reset terminal, a signal output terminal, a clock signal terminal, a first input module, a second input module, a pull-up transistor, a first capacitor,a second capacitor and a reset module, wherein the first input module is connected with first input terminal and the first pull-up node; the second input module is connected with the second input terminal and the second pull-up node; the pull-up transistor is a double-gate thin film transistor, the first gate of the double-gate thin film transistor is connected with the first pull-up node, the second gate is connected with the second pull-up node, one of the source and drain is connected with the clock signal terminal, and the other is connected with the signal output terminal; the first capacitor is connected between the first pull-up node and the signal output terminal; the second capacitor is connected between the second pull-up node and the signal output terminal; and the reset moduleis connected with the first pull-up node, the second pull-up node, the reset terminal and an invalid signal terminal. The shift register unit can reduce the threshold characteristic shift of the pull-up transistor.

The invention provides a display substrate, a display panel and a display device. The display substrate comprises a display base, which is provided with a first effective display zone. The display substrate also comprises N lines and multiple rows of pixel driving circuits arranged in the first effective display zone, N being an integer greater than 1. The display substrate further comprises a bending part arranged on at least one side of the display base. The display substrate further comprises a grid driving circuit arranged on the bending part. The grid driving circuit is used for providing grid driving signals to the N lines and multiple rows of pixel driving circuits arranged in the first effective display zone. Narrow frames can be realized, the area of a GOA (the grid driving circuit arranged on an array substrate) zone can be increased, more spaces for wiring are provided, and short circuits of GOA signal lines or other serious risks can be reduced.

The invention provides a gate driving unit, a gate driving method, a gate driving circuit and a display device. The gate driving unit comprises a first clock signal end, a second clock signal end, a third clock signal end, a fourth clock signal end, a first output node control circuit, a second output node control circuit, a first control node control circuit and an output circuit. According to the invention, the gate driving signal required by the N-type transistor can be provided for the LTPO (Low Temperature Polycrystalline Oxide) pixel circuit, the number of adopted transistors can be reduced, and a narrow frame can be realized.

The invention discloses a display panel, a manufacturing method thereof and a display device. The display panel comprises an array substrate, a flexible circuit board and a driving chip; the array substrate is divided into a display area and a non-display area; the flexible circuit board is bound into the non-display area at one edge of the array substrate, and the driving chip is bound to the side, deviating from the non-display area, of the flexible circuit board; the driving chip is connected with the array substrate through a circuit inside the flexible circuit board. The driving chip is bound to the array substrate through the flexible circuit board, there is no need to occupy a lower step area, in the non-display area, of the array substrate, and a narrow bezel is easily achieved. Compared with the flexible circuit board, the lower step area of the array substrate has higher rigidity and high impact resistance, and therefore, the impact resistance reliability of the driving chipcan be improved. In the meanwhile, there is no need to specially conduct expansion on the flexible circuit board for binding the driving chip, and the cost is reduced accordingly.

The invention discloses a touch device and a touch display device thereof. The touch device comprises a substrate and a circuit board; the substrate comprises a display area and a non-display area surrounding the display area, the first touch control electrode wires are electrically connected with the touch control driving circuit, the second touch control electrode wires are electrically connected with the touch control driving circuit, and at least one first touch control electrode wire surrounding the non-display area is electrically connected with the near field communication circuit; thesubstrate further comprises an antenna, the antenna surrounds the non-display area, and the antenna is electrically connected with the near-field communication circuit; and the antenna is electricallyconnected with at least one first touch electrode wire surrounding the non-display area, so that the same near-field communication signal is transmitted between the antenna and the first touch electrode wire. According to the touch device and the touch display device thereof disclosed by the invention, an NFC antenna function can be added while a touch function is realized; the NFC antenna is produced without occupying extra procedures, and meanwhile, part of the touch electrode wires are multiplexed into the NFC antenna, so that the NFC antenna does not occupy an extra frame area, and implementation of a narrow frame is facilitated.

The invention provides a display panel. The display panel comprises an array film layer, a first inorganic packaging layer, a hydrophobic barrier structure, an organic packaging layer and a second inorganic packaging layer, wherein the array film layer is provided with a display area and a non-display area located at the periphery of the display area; the first inorganic packaging layer covers thedisplay area and extends to the non-display area; the hydrophobic barrier structure is arranged at the periphery of the first inorganic packaging layer so as to enclose the first inorganic packaginglayer therein; the organic packaging layer covers the first inorganic packaging layer, extends to the non-display area and is stopped at the hydrophobic barrier structure; and the second inorganic packaging layer covers the organic packaging layer, extends to the non-display area and covers the hydrophobic barrier structure. The probability of overflow of the organic packaging layer during the forming process can be reduced through the above mentioned approach.

The invention discloses a driving circuit of an organic light emitting display. The driving circuit comprises N stages of driving circuit units, wherein the nth (1<=n<=N, and n, N are integers)-stagedriving circuit unit comprises an nth-stage compensation circuit and a plurality of nth-stage pixel driving circuits; the nth-stage compensation circuit comprises a compensation signal generating module, a pull-down module and a plurality of compensation modules, and the compensation module and the nth-stage pixel driving circuits are connected to corresponding data nodes; when an nth-stage scanning signal is at high level, the nth-stage pixel driving circuits input actual data voltages into the data nodes; and when an (n+1)th-stage scanning signal is at high level, the compensation signal generating module is turned on and transmits a compensation signal to an nth-stage compensation node, and the compensation module compensates for the actual data voltage by means of the compensation signal. The driving circuit of the organic light emitting display compensates for data voltage jump caused by parasitic capacitance, and improves the precision of light emitting intensity of an organic light emitting diode.

The invention discloses a display panel and a display device. Sector wires of the display panel are connected with data lines through a multiplexer, the multiplexer comprises a plurality of transistors, a first sector wire is connected with a first data line through a first transistor, a second sector wire is connected with a second data line through a second transistor, and the transistors are inone-to-one correspondence with the data lines; the resistance of the first sector wire is greater than that of the second sector wire, the first transistor is a low-temperature polycrystalline silicon thin film transistor, and the second transistor is an oxide thin film transistor. According to the invention, the resistance of the sector wires at different positions can be balanced, the load difference of the data lines correspondingly connected with the sector wires at different positions is balanced, and the difference of charging capacities of different data lines is relieved, so that a better display effect is obtained.

The invention discloses an array substrate, a display panel and a manufacturing method of the array substrate. The array substrate is provided with a row driving region, and the row driving region comprises a first metal layer, a gate insulating layer and a second metal layer; the gate insulating layer is located on the first metal layer, and the gate insulating layer is provided with a through hole; and the second metal layer is located on the gate insulating layer and extends to the inner side wall of the first through hole and the surface of the first metal layer corresponding to the through hole. Impedance is reduced through direct contact between the first metal layer and the second metal layer, so that hole burning abnormity is not liable to occur, and the panel yield and the panel reliability are improved; and moreover, the number of through holes in the gate insulating layer can be relatively reduced, the circuit space limitation of the row driving region is reduced, and a narrow frame is favorably realized.

The embodiment of the invention discloses a display panel and electronic equipment. The display panel comprises a shift register, a pressure sensitivity detection unit and a switching circuit; the switching circuit includes a first switching transistor and a second switching transistor; a control end of the first switching transistor is electrically connected with an output end of a first-level shift register, and an output end of the first switching transistor is electrically connected with a first output end of the corresponding pressure sensitivity detection unit; the control end of the second switching transistor is electrically connected with the output end of the first-level shift register, and the input end of the second switching transistor is electrically connected with the secondoutput end of the corresponding pressure sensitivity detection unit; the control ends of the first switching transistor and the second switching transistor in the switching circuit are electrically connected with different levels of shift registers; and the output ends of the first switching transistor and the second switching transistor are electrically connected with the same output wiring line. According to the display panel provided by the embodiment, the number of the output wiring lines led out by the pressure sensitivity detection unit can be reduced to realize narrow bezel.

The invention provides a display panel, a crack detection method and a preparation method thereof, and a display device. The display panel comprises a crack detection circuit and a touch layer. The crack detection circuit is arranged in the edge area of the display panel; one end of the crack detection circuit is used for being electrically connected with a control signal end and receiving a control signal; and the other end of the crack detection circuit is electrically connected with the touch layer and is used for receiving a touch signal. According to the invention, cracks in the edge areaof the display panel can be rapidly, accurately and efficiently detected, and compared with the existing PCD wiring mode, the scheme provided by the embodiment of the invention is simpler to operate,higher in detection efficiency, smaller in occupied space and beneficial to realization of a narrow frame; an existing film layer is used for forming the crack detection circuit, and the production cost of the display panel is not increased while crack detection is achieved.

The invention provides a driving circuit, a driving method and a display device. The driving circuit comprises a first driving signal generating circuit and a second driving signal generating circuit; and the second driving signal generation circuit controls the potential of a third node according to the first initial voltage signal and the potential of the second node, and controls the second driving signal output end to output a driving signal under the control of the potential of the first node and the potential of the third node. By adding the second driving signal generation circuit, a high-level effective driving signal and a low-level effective driving signal can be generated at the same time through one driving circuit, the driving signals can be provided for an LTPO (Low Temperature Polycrystalline Oxide) pixel circuit through one driving circuit, the number of adopted transistors is small, and realization of a narrow frame is facilitated.