Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

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

Shift register unit and driving method thereof, shift register and display

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.
Owner:BOE TECH GRP CO LTD

Self-contained touch panel, driving method and touch display device

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.
Owner:BOE TECH GRP CO LTD +1

Display substrate, display device and driving method of display device

The invention relates to the technical field of displaying and discloses a display substrate, a display device and a driving method of the display device; two rows of sub-pixel areas are arranged between every two adjacent gate lines of the display substrate, the adjacent rows of sub-pixel areas on two sides of each gate line share one gate line, so that the gate lines are halved, pixel aperture areas are increased and aperture rate is increased; in addition, as the gate lines are halved, the number of gate drive chips or gate drive circuits is decreased, the cost is lowered and a narrow bezel is achieved; in addition, the charge time of one row of sub-pixel area is doubled, sufficient charge time is provided, and accordingly, pixel charging rate is increased and displaying quality is improved.
Owner:BOE TECH GRP CO LTD +1

Shifting register unit, driving method, grid electrode driving circuit and display device

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.
Owner:BOE TECH GRP CO LTD

Pixel circuit, display panel and drive method thereof

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.
Owner:BOE TECH GRP CO LTD

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

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.
Owner:HEFEI XINSHENG OPTOELECTRONICS TECH CO LTD +1

Array substrate and display device

Embodiments of the invention provide an array substrate and a display device, which belong to the technical field of displaying and can solve the problem that a GOA circuit occupies more wiring spacein order to increase the capacity of a bootstrap capacitor. The array substrate includes an effective display area and a non-display area located around the effective display area. The array substratefurther includes gate drive circuits and multiple rows of dummy sub-pixels located in the non-display area, and the dummy sub-pixels are disposed adjacent to the effective display area. Auxiliary capacitors are disposed in at least a portion of the dummy sub-pixels. Shift register units in the gate drive circuits are connected to the auxiliary capacitors, and the auxiliary capacitor at least constitutes a portion of bootstrap capacitors in the shift register units. The array substrate is used for forming the display device.
Owner:BOE TECH GRP CO LTD +1

Display substrate, display panel and display device

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.
Owner:BOE TECH GRP CO LTD

Gate driving unit, gate driving method, gate driving circuit and display device

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.
Owner:BOE TECH GRP CO LTD +1

Display panel, manufacturing method thereof and display device

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.
Owner:WUHAN TIANMA MICRO ELECTRONICS CO LTD

Touch device and touch display device thereof

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.
Owner:SHANGHAI TIANMA MICRO ELECTRONICS CO LTD

Packaging adhesive, packaging structure and adhesive spreading device

The embodiment of the invention provides a packaging adhesive, a packaging structure and an adhesive spreading device, relates to the technical field of display and aims at solving the problem that acover board is easily peeled off from the edge of a substrate due to the fact that a drying agent is put on a dam adhesive, the problem that a non-display area range is expanded due to the fact that the drying agent is put into an area surrounded by the dam adhesive and the problem that the performance of an OLED device is affected due to the fact that the drying agent is dispersed into a fill adhesive in the prior art. The packaging adhesive comprises a first colloid layer and a second colloid layer coating the first colloid layer; and the first colloid layer comprises colloid and the dryingagent dispersed into the colloid. The packaging adhesive is used for carrying out packaging.
Owner:BOE TECH GRP CO LTD

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

The invention provides a shift register unit, a driving method, a gate driving circuit and a display device. The shift register unit comprises a sharing module and an output module; the sharing modulecontrols the potential of a pull-up node under the control of a input end, a reset end and a first clock signal input end; the output module is used for controlling grid driving signals output by 2Mgrid driving signal output ends under the control of the pull-up node, a noise-reducing control end and an output control end; wherein M is an integer greater than 2. The charging rate of shift register unit is high, and the narrow frame can be conveniently realized.
Owner:BOE TECH GRP CO LTD +1

Display device

The invention discloses a display device. The display device comprises a backlight module and a display panel positioned on the light emitting side of the backlight module, wherein the display area ofthe display panel comprises a first display area and a fingerprint identification area; the backlight module comprises a quantum dot film which comprises a first quantum dot film area corresponding to the fingerprint identification area and a second quantum dot film area corresponding to the first display area; first quantum dots, second quantum dots and third quantum dots are arranged on the first quantum dot film area; the first quantum dots emit first color light after being excited by the backlight source, the second quantum dots emit second color light after being excited by the backlight source, and the third quantum dots emit infrared light after being excited by the backlight source. The quantum dot film is arranged in the backlight module and corresponds to the display area, spaces do not need to be separately arranged for the quantum dot film, narrow frames of the display device are favorably realized, the screen occupation ratio is improved, and the structure is more exquisite.
Owner:XIAMEN TIANMA MICRO ELECTRONICS

Shifting register unit, driving method thereof, grid driving circuit and display device

The embodiment of the invention provides a shifting register unit and a driving method thereof, a gate driving circuit and a display device, relates to the technical field of display, and aims to reduce the GOA size and facilitate a display panel to realize a narrow frame. The shifting register unit is characterized in that a first output sub-circuit transmits a clock signal of a clock signal endto a signal output end under the control of a pull-up node; the first second output sub-circuit in the N second output sub-circuits transmits the signal of the signal output end to the first output end under the control of the first signal end; the ith second output sub-circuit in the N second output sub-circuits is controlled by the ith signal end; wherein N is a positive integer larger than or equal to 2, i is larger than or equal to 2 and smaller than or equal to N, and i is a positive integer.
Owner:BOE TECH GRP CO LTD +1

Driving circuit of organic light emitting display

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.
Owner:NANJING CEC PANDA LCD TECH

Display panel and display device

ActiveCN111081750ABalance load differencesMitigating differences in charging capabilitiesSolid-state devicesSemiconductor devicesMultiplexingOxide thin-film transistor
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.
Owner:XIAMEN TIANMA MICRO ELECTRONICS

Array substrate, display panel and manufacturing method of array substrate

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.
Owner:SHENZHEN CHINA STAR OPTOELECTRONICS TECH CO LTD

Display panel and manufacturing method thereof

The invention discloses a display panel and a manufacturing method thereof. The display panel includes: a display area and a non-display area; the display area is arranged in the center of the whole display panel; the non-display area is arranged on the periphery of the display area and an identification code pattern is further arranged on one of the sides of the non-display area; and the identification code pattern is produced by using exposure with an exposure machine and then by using dotting with a coding machine, and the identification code pattern is a regular graph. The beneficial effect is as follows: firstly, the identification code pattern is arranged inside the non-display area of the display panel provided by the application, and the identification code pattern is a regular graph and produced by using the exposure with the exposure machine and then by using the dotting with the coding machine without the need for adding a new machine or changing a production process, thus the coding time is shortened and the production cycle is reduced; and secondly, since the identification code pattern is produced by using the exposure with the exposure machine and then by using the dotting with the coding machine, the exposure accuracy of the exposure machine can reach 3 [mu]m, which greatly reduces the size of the identification code pattern and is beneficial for realizing a narrow frame.
Owner:TCL CHINA STAR OPTOELECTRONICS TECH CO LTD

Display panel and electronic equipment

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.
Owner:XIAMEN TIANMA MICRO ELECTRONICS

Driving circuit, driving method and display device

The invention provides a driving circuit, a driving method and a display device. The driving circuit comprises a first control circuit, a second control circuit, an energy storage circuit, a first output circuit and a second output circuit; the first control circuit controls the potential of a first node according to an input driving signal provided by an input driving signal end; the second control circuit controls the connection between the first node and a first voltage end under the control of a control clock signal; the first output circuit controls an output driving signal end to be communicated with the first clock signal end under the control of the potential of the first node; the second output circuit controls the output driving signal end to provide an output driving signal according to the first clock signal. According to the invention, the problem that an existing driving circuit adopts a large number of transistors and is not beneficial to realizing a narrow frame is solved.
Owner:BOE TECH GRP CO LTD +1

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

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.
Owner:BOE TECH GRP CO LTD

Display panel, crack detection method and preparation method thereof and display device

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.
Owner:BOE TECH GRP CO LTD +1

A display panel and electronic device

The embodiment of the present invention discloses a display panel and electronic equipment. The display panel includes: a shift register, a pressure-sensitive detection unit, and a switch circuit; the switch circuit includes a first switch transistor and a second switch transistor, and the control of the first switch transistor terminal is electrically connected to the output end of the first-stage shift register, and its input end is electrically connected to the first output end of the corresponding pressure-sensitive detection unit, and the control end of the second switching transistor is electrically connected to the output end of the first-stage shift register. , and its input end is electrically connected to the second output end of the corresponding pressure sensing unit, and the control end of the first switch transistor in the switch circuit and the control end of the second switch transistor are electrically connected to different stages of shift registers, and the first switch The output end of the transistor and the output end of the second switch transistor are electrically connected to the same output wire. The display panel provided by the embodiment of the present invention can reduce the number of output wires led by the pressure-sensitive detection unit, and realize narrow frame.
Owner:XIAMEN TIANMA MICRO ELECTRONICS

Driving circuit, driving method and display device

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.
Owner:BOE TECH GRP CO LTD +1
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products