Level shifter, generation method of clock output signal and plane display device thereof

Charging device

The utility model discloses a charging device for charge to energy storage device, contain preliminary filling stage, fixed electric current stage and fixed voltage stage during charging. Charging device contains joint interface, power supply unit, voltage detection unit, current detection unit and the control unit. Joint interface is coupled to this energy storage device. Voltage detection unit is used for listening this energy storage device's storage voltage. The current detection unit is used for listening the charging current of this power supply unit supply to this energy storage device. Charge to fixed voltage during the stage as energy storage device, the current detection unit feeds back present charging current to the control unit, and the control unit makes the charging current of power supply unit supply be the echelonment to steadily decrease gradually. When the energy storage device inception is connected to joint interface, adjust initial charging voltage to improve the electric ...

Wake-up method of double-chip POS machine

The invention provides an awakening method for a double-chip POS machine, and the method comprises the steps: judging whether an awakening source corresponding to an awakening event is in a preset first awakening source list or not when a safety chip detects the awakening event; if the wake-up source is in the first wake-up source list, the security chip is converted into a wake-up mode and notifies the main control chip; the main control chip sends a wake-up source acquisition instruction; the security chip sends a wake-up source after receiving the wake-up source acquisition instruction, and the main control chip judges whether the wake-up source is in a preset second wake-up source list after receiving the wake-up source; and if the wake-up source is in the second wake-up source list, the main control chip is converted into a wake-up mode, and wake-up of the POS machine is realized. According to the wakeup method for waking up the POS machine from the security chip end, the diversity ...

Source drive circuit, display and operating method thereof

Half-source driving display panel

The invention provides a half-source driving display panel, comprising a plurality of data lines, a plurality of gate lines, and a plurality of pixels. The data lines comprise a first data line to a fourth data line in a sequential arrangement. The gate lines comprise a first gate line and a second gate line in a sequential arrangement. Wherein, two pixels disposed between the first gate line and the second gate line, and between the first data line and the second data line, and two pixels disposed between the first gate line and the second gate line, and between the third data lien and the fourth data line are driven by one of the first gate line and the second gate line, two pixels disposed between the first gate line and the second gate line and between the second data line and the third data line are driven by the other in the first gate line and the second gate line. The half-source driving display panel can reduce non-uniform brightness caused upon human eye during conversion of pixel ...

Liquid crystal display device and driving method therefor

The invention provides a liquid crystal display device and a driving method therefore. The liquid crystal display device has an adaptable drive mechanism with a plurality of pixel array regions and a driving module. Each pixel array region comprises a plurality of pixels. The driving module comprises a signal generation unit for generating the gray-scale value signals corresponding to the pixels according to the inputted image data, a weight-valve converting unit for converting the gray-scale value signals into a plurality of weighted value, a weight valve processing unit for adding up the weighted valve so as to obtain the sum thereof, an inversion mode setting unit for setting the polarity inversion mode according to the sum of the weight valve, and a data signal output unit. The data signal output unit provides a plurality of data signals required for the pixel data writing operation of the pixel array regions according to the set polarity inversion mode.

Grid output control method and corresponding grid pulse modulator

The invention discloses a grid output control method and a corresponding grid pulse modulator. The grid output control method comprises the following steps: providing a grid control signal; providing a cutting angle control signal to carry out cutting angle modulation on the grid control signal to generate a grid control signal with a cutting angle; modulating the grid control signal with the cutting angle to obtain the modulated grid control signal; and outputting the modulated grid control signal to a plurality of grid drive integrated circuits, wherein the falling edge of the modulated grid control signal comprises a cutting angle change period and a vertical change period. In the cutting angle change period, the modulated grid control signal first changes to the predetermined voltage at a first slope and then changes at a second slope until the vertical change period, and the modulated grid control signal changes voltage in an approximately vertical way in the vertical change period ...

Power level shifter, liquid crystal display device and charge sharing method

The invention discloses a power level shifter comprising a control logic circuit, a plurality of power level shift output buffers and a plurality of charge sharing circuits. The control logic circuit receives a plurality of input clock pulse signals and a charge sharing signal, and obtains the power level information of the signals; the output buffers are respectively used for conducting enlargingtreatment to corresponding individuals in the input clock pulse signals, and the power level information of the charge sharing signal determines whether the corresponding individuals are output; andeach charge sharing circuit is electrically coupled between the output ends of the corresponding individuals in the output buffers and a prearranged power level, and is determined whether to be conducted by the power level information of the input clock pulse signals of the corresponding individuals, and if the charge sharing circuit is conducted, the prearranged power level is electrically communicated ...

Dynamic switch drive mode lcd device and method for reducing power consumption

The invention discloses a dynamic switching and driving mode liquid crystal displaying device and the method for decreasing the power consumption of the liquid crystal displaying device. The liquid crystal displaying device comprises a liquid crystal displaying panel, an input interface, an oscillator, a controllerand a driver. The liquid crystal displaying panel comprises a plurality of liquid crystal electric capacitors which is used for generating images. The input interface is used for generating a scanningcontrolling signal. The oscillator is used for generating the presetting frequency. The controller which is electrically connected with the oscillator is used for outputting a first electric current controlling signal under the condition that the frequency of the scanning controlling signal is lower than the presetting frequency. The driver which is electrically connected with the controller is used for outputting first bias pressure current to the liquid crystal displaying panel ...

Drive unit and drive method of liquid crystal display panel

The invention discloses a drive unit of a liquid crystal display panel and a drive method of the liquid crystal display panel. The liquid crystal display panel comprises multiple pixels configured in a matrix form and multiple data lines. The method comprises the following steps of generating corresponding gray grade value signals of the multiple pixels based on an input imaging data, judging whether gray grade value signals belonging to multiple data lines of a first color and corresponding to the same pixel column are beyond a first preset range, and controlling the polarity of the grey grade value signals corresponding to the same pixel column and belonging to the multiple data lines of the first color in a column inversion way when the gray grade value signals belonging to multiple data lines of the first color and corresponding to the same pixel column are beyond a first preset range.

Liquid crystal display and method for driving same

The embodiment of the invention provides a liquid crystal display and method for driving same. The liquid crystal display comprises a grid drive circuit, a control circuit and a charge sharing circuit. The control circuit provides a charge sharing signal according to the parasitic capacitance values of a first and second output ends of the grid drive circuit. The charge sharing circuit shares charges with a first and second clock signals based on the charge sharing signal to generate a third and fourth clock signals corresponding to each other, wherein the third clock signal comprises the waveform drop edge from a high potential to a first potential, while the fourth clock signal comprises the waveform drop edge from high potential to a second potential. The grid drive circuit respectively outputs a first and second grid drive signals at the first and second output ends according to the third and fourth clock signals. The flicker can be effectively removed by regulating the shared voltage ...

Grid electrode driving circuit

The invention relates to a grid electrode driving circuit. The grid electrode driving circuit is arranged on a base plate and comprises a plurality of shift register levels which are sequentially distributed on the base plate in the preset direction, the shift register levels are divided into a plurality of groups and are used for outputting a plurality of grid electrode driving signals, and each group comprises a plurality of shift register levels in cascade connection coupling, wherein the time sequences of a plurality of initial pulse signals adopted by the groups are different, and in addition, the output sequence of the grid electrode driving signals is different from the distribution sequence of the shift register levels.

Picture flicker improvable liquid crystal display device and relevant driving method thereof

The invention provides a picture flicker improvable liquid crystal display device and a relevant driving method thereof. The method adjusts the chamfering amplitude of a grid driving signal to reduce The invention provides a picture flicker improvable liquid crystal display device and a relevant driving method thereof. The method adjusts the chamfering amplitude of a grid driving signal to reducetnce value of the first pixel is less than that of the second pixel, the first potential is higher than the second potential. The invention can effectively eliminate the picture flicker to improve theance value of the first pixel is less than that of the second pixel, the first potential is higher than the second potential. The invention can effectively eliminate the picture flicker to improve the display quality through adjusting the common voltage.display quality through adjusting the common voltage.he picture flicker and comprises the steps of respectively providing a first grid driving signal ...

Backlight module of liquid crystal display

The invention discloses a backlight module of a liquid crystal display (LED) and the backlight module comprises a circuit board, a LED drive element and a plurality of LED light bar sections. Each LED light bar section comprises a plurality of LED universal serial buses. The LED drive element is electrically connected with the circuit board line and further electrically connected with the LED universal serial buses of the LED light bar sections through the circuit board line.

GaN-based LED integrated chip with multiple light-emitting sub areas

The invention discloses a GaN-based LED integrated chip with multiple light-emitting sub areas, and belongs to the technical field of LED chip structures. The GaN-based LED integrated chip with the multiple light-emitting sub areas comprises a substrate, an n-GaN layer, a quantum well active area, a p-GaN layer, a current spreading layer, a P electrode and at least two light-emitting sub areas. Grooves which are mutually isolated are formed between adjacent light-emitting sub areas, and the bottoms of the grooves are placed on the surface of the substrate. According to the GaN-based LED integrated chip with the multiple light-emitting sub areas, the open circuit probability is lowered to the maximum degree when an interconnecting wire stretches across the grooves, the emergent probability of internal total reflected light of the chip can be improved, internal reflection loss is reduced, and therefore light extraction efficiency is improved.

Display panel driving circuit, display panel and driving method thereof

The application discloses a display panel driving circuit, a display panel and a driving method thereof. By at least one common voltage used in the display panel, due to the characteristic of the noise coupled in a panel end, the common voltage is fed back into a pixel electrode driving module so as to generate driving voltage and further lead the driving voltage to have the noise approximate to the coupled noise of the panel end body. Therefore, when the driving voltage is inputted into the panel end by the pixel electrode driving module, the pixel electrode driving module can drive a corresponding pixel electrode by stable voltage difference, thus reducing the phenomenon of level crosstalk and improving the display quality of the display panel.

Grid pulse wave modulation circuit and modulation method thereof

The invention discloses a grid pulse wave modulation circuit and a modulation method thereof. The grid pulse wave modulation circuit comprises a time sequence controller, a high grid voltage generating unit, a low grid voltage generating unit and a grid driver, wherein the time sequence controller generates an output enabling signal and a plurality of time control signals; the high grid voltage generating unit is electrically connected to the time sequence controller and used for receiving the time control signals and generating a high grid voltage with multi-cutting angle waveform; the low grid voltage generating unit generates a low grid voltage; and the grid driver is electrically connected to the time sequence controller, the high grid voltage generating unit and the low grid voltage generating unit and used for receiving the output enabling signal, the low grid voltage and the high grid voltage with multi-cutting angle waveform and generating a plurality of grid pulse waves according ...

Gate driver and liquid crystal display applied by same

The invention discloses a gate driver and a liquid crystal display applied by the same. The gate driver comprises a scanning signal generation unit and a compensation unit, wherein the scanning signal generation unit is provided with a plurality of output channels and is used for sequentially outputting scanning signals through the plurality of output channels according to a basic clock and an initial pulse; and the compensation unit is coupled with the plurality of output channels and is used for compensating the total resistance of each output channel and sequentially receiving and transducing the scanning signals to a display panel.

Active element array substrate and repair method thereof

The invention discloses an active element array substrate and a repair method thereof. Grouping is carried out on a plurality of data lines which correspond to of a same identical source drive circuit, and repair line segments which are mutually independent are adopted to provide a repair mechanism to each group of data lines, thereby the capacitance effect generated between the data lines and the repair line segments is lowered, the poor influence caused by the capacitance effect on the pixel charging effect can be eliminated as much as possible, and then the display quality of a display panel is improved.

Grid output control method and corresponding grid pulse modulator

The invention discloses a grid output control method and a corresponding grid pulse modulator. The grid output control method comprises the following steps: providing a grid control signal; providing a cutting angle control signal to carry out cutting angle modulation on the grid control signal to generate a grid control signal with a cutting angle; modulating the grid control signal with the cutting angle to obtain the modulated grid control signal; and outputting the modulated grid control signal to a plurality of grid drive integrated circuits, wherein the falling edge of the modulated grid control signal comprises a cutting angle change period and a vertical change period. In the cutting angle change period, the modulated grid control signal first changes to the predetermined voltage at a first slope and then changes at a second slope until the vertical change period, and the modulated grid control signal changes voltage in an approximately vertical way in the vertical change period ...

Control method for output signal of time sequence controller of flat panel display

A control method for an output signal operates according to a fixed sequence signal. According to the invention, in a time section of a fixed frequency signal, a first enable signal is provided through a first transmission path in an ascending edge of each pulse when a first time length passes; and in another time section of the fixed frequency signal, a second enable signal is provided through one part of the first transmission path when a second time length passes in the ascending edge of each pulse, wherein, the first time length is shorter than the second time length.

Clock signal generating signal and clock signal generating circuit

The invention discloses a clock signal generating signal and clock signal generating circuit. The clock signal generating circuit comprises two output terminals for providing a first and a second clock signal according to the first and second input signals. A charge storage element is used for executing the charge conversion from a first output terminal to the charge storage element in a period when the first clock signal is high level, and executing the charge conversion from the charge storage element to a second output terminal in a period when the second clock signal is low level. In another period of the clock period, the charge storage element is used for executing the charge conversion from the second output terminal to the charge storage element in a period when the second clock signal is high level, and executing the charge conversion from the charge storage element to the first output terminal in a period when the first clock signal is low level.

Pixel array and driving method thereof and flat plane display

The invention relates to a pixel array and a driving method thereof and a flat plane display using the driving method. The pixel array comprises a first scanning line, a second scanning line, a thirdscanning line and a fourth scanning line. A plurality of pixels are arranged between the first scanning line and the second scanning line. A plurality of pixels are arranged between the third scanningline and the fourth scanning line. During a first frame, a grid driving circuit sequentially provides a driving signal to the first, second, fourth and third scanning lines; and during a second frame, the grid driving circuit sequentially provides a driving signal to the second, first, third and fourth scanning lines. The pixel array and the driving method thereof provided by the invention can avoid the bright and dark line display defect in HSD pixel array driven by the traditional technology.

Liquid crystal display panel and its driving method

The invention relates to a liquid crystal display panel and the driving method thereof, which includes a liquid crystal unit array, a plurality of grid driving integrated circuits, a plurality of the first polarity driving integrated circuits, and a plurality of the second polarity driving integrated circuits, and time sequence control circuit. The liquid crystal unit array has a first display area and a second display area. The first and the second polarity driving integrated circuits are electrically connected with the first and the second display areas respectively, and the time consequence control circuit is connected with the polarity and grid driving integrated circuits electrically. The drive of the liquid crystal panel writes data into the first display area through the first polarity driving integrated circuit in the mode of the first data receiving and sending, and writes data into the second display area through the second polarity driving integrated circuit in the mode of the ...

Liquid crystal display (LCD) device and driving method thereof

The invention relates to a liquid crystal display (LCD) device which comprises a reference voltage generator, a voltage selector, a time schedule controller, a voltage level shifter, a gate driving circuit and a pixel array, wherein the reference voltage generator is used for providing a first high reference voltage and a second high reference voltage; the voltage selector is used for selecting the first high reference voltage or the second high reference voltage as the high reference voltage; the time schedule controller is used for providing a scanning control signal; the voltage level shifter is used for generating a front driving signal according to the scanning control signal and the high reference voltage; the gate driving circuit is used for providing a plurality of gate signals according to the front driving signal; and the pixel array is used for displaying an image according to the plurality of gate signals.

MOCVD epitaxy processing method of AlInGaN quaternary alloy thin-film material

An MOCVD epitaxy processing method of an AlInGaN quaternary alloy thin-film material belongs to the technical field of semi-conductors. The AlInGaN quaternary alloy thin-film material is formed by virtue of using a metal organic chemical vapor deposition (MOCVD) epitaxy technology and employing a method of alternatively matching and growing ternary alloy InGaN and AlGaN materials in a thickness of atomic level. The AlInGaN quaternary alloy thin-film material prepared by using the aforementioned technology can achieve the following parameter indexes: (1) the half-peak height and width of an X-ray diffraction (XRD) (002) symmetry plane < 240 seconds; (2) the material surface roughness < 1 nm; and (3) the c-face lattice constant mismatch degree with respect to GaN < 0.5%.

Pixel array and driving method thereof and flat plane display

The invention relates to a pixel array and a driving method thereof and a flat plane display using the driving method. The pixel array comprises a first scanning line, a second scanning line, a third scanning line and a fourth scanning line. A plurality of pixels are arranged between the first scanning line and the second scanning line. A plurality of pixels are arranged between the third scanning line and the fourth scanning line. During a first frame, a grid driving circuit sequentially provides a driving signal to the first, second, fourth and third scanning lines; and during a second frame, the grid driving circuit sequentially provides a driving signal to the second, first, third and fourth scanning lines. The pixel array and the driving method thereof provided by the invention can avoid the bright and dark line display defect in HSD pixel array driven by the traditional technology.

Gate driver and liquid crystal display applied by same

The invention discloses a gate driver and a liquid crystal display applied by the same. The gate driver comprises a scanning signal generation unit and a compensation unit, wherein the scanning signal generation unit is provided with a plurality of output channels and is used for sequentially outputting scanning signals through the plurality of output channels according to a basic clock and an initial pulse; and the compensation unit is coupled with the plurality of output channels and is used for compensating the total resistance of each output channel and sequentially receiving and transducing the scanning signals to a display panel.

Source drive circuit, display and operating method thereof

The invention relates to a source drive circuit, a display and an operating method thereof. The source drive circuit comprises a first and a second data output units, a first and a second charge sharing units and a charge sharing switch circuit unit. The first and the second data output units respectively comprise corresponding first and second output terminals, which respectively output data signals of first and second polarities. The first and second charge sharing units respectively comprise a plurality of first and second switches. The first switches are respectively connected between the first output terminal and the second output terminal. The second switches are respectively and electrically connected between the first output terminal and the second output terminal. The charge sharing switch circuit unit is electrically connected with the first and the second charge sharing units. A first switch signal and a second switch signal are selectively outputted to the first and second charge ...

Active element array substrate and repair method thereof

The invention relates to an active element array substrate and a repair method thereof, which is a mechanism of grouping a plurality of data lines corresponding to the same source drive circuit, and providing repair for each group of data lines by adopting mutually independent repair line segments so as to reduce the capacity effect generated between the repaired data lines and the repair line segments and prevent the adverse effect of the capacity effect on charging effect of pixels, thereby improving the display quality of the display panel.

Dynamic switch drive mode LCD device and method for reducing power consumption

Regulation method and device of display equipment

The invention relates to an adjusting method of a display device and an adjusting device thereof, wherein, the adjusting device comprises a time control module connected with a grid electrode driver of the display device and a storing module which is electrically connected with the time control module. The storing module is used to store a first pulse wave width and a second pulse wave width, wherein, the time control module determines an image frequency of the display device, when the image frequency is positioned in a first image frequency range, an adjusting wave shape with the first pulse wave width is outputted; when the image frequency is positioned in a second image frequency range, an adjusting wave shape with the second pulse wave width is outputted.

Level shifter, generation method of clock output signal and plane display device thereof

The invention relates to a level shifter, a generation method of a clock output signal and a plane display device thereof. The level shifter comprises at least one level shift unit for generating the corresponding clock output signal; the level shift unit is used for respectively receiving the corresponding clock input signal so that the corresponding clock input signal is progressively pulled upto the first reference voltage and becomes a part of the corresponding clock output signal since the clock input signal shares the charge with a plurality of different auxiliary reference voltage sources, or the corresponding clock input signal is progressively pulled down to the second reference voltage and becomes a part of the corresponding clock output signal since the clock input signal shares the charge together with different auxiliary reference voltage sources.

Grid output control method

The invention discloses a grid output control method, which is suitable for a liquid crystal display comprising first and second grid driving integrated circuits. The method comprises the following steps: providing grid control signals; performing angle cut modulation on the grid control signals by angle cut control signals so as to obtain modulated grid control signals; and providing the modulated grid control signals for the first and second grid driving integrated circuits so as to orderly control the grid output of the first and second grid driving integrated circuits. A first work cycle used when the angle cut control signals modulate the grid control signals to generate the modulated grid control signals and provide the modulated grid control signals for the first grid driving integrated circuit is different from a second work cycle used when the angle cut control signals modulate the grid control signals to generate the modulated grid control signals and provide the modulated grid ...

Drive device and method for liquid crystal display

A source electrode driver for driving display panel to display image data adopting an adjustable column reverse rotation and a drive method. In an embodiment, a source electrode includes a data processing unit and a multiplexer, wherein the data processing unit includes a logic circuit for determining N highest effective bits of image data signal close to two data lines so that when N highest effective bits are 1 or 0, the output of the logic circuit is 1, otherwise the output of the logic circuit is 0; and the multiplexer is coupled to the data processing unit for obtaining a border polarity control signal and a pixel polarity control signal, selectively outputting the border polarity control signal when the output of the logic circuit is 1 or outputting the pixel polarity control signal when the output of the logic circuit is 0 as the polarity control signal.

Picture flicker improvable liquid crystal display device and relevant driving method thereof

The invention provides a picture flicker improvable liquid crystal display device and a relevant driving method thereof. The method adjusts the chamfering amplitude of a grid driving signal to reduce the picture flicker and comprises the steps of respectively providing a first grid driving signal and a second grid driving signal according to parasitic capacitance values of a first pixel and a second pixel. The first grid driving signal comprises a waveform descending edge descending from a high potential to a first potential, and the second grid driving signal comprises a waveform descending edge descending from a high potential to a second potential; when the parasitic capacitance value of the first pixel is larger than that of the second pixel, the first potential is lower than the second potential; when the parasitic capacitance value is substantially equal to that of the second pixel, the first potential is substantially equal to the second potential; and when the parasitic capacitance ...

LCD device removing ghost

Liquid crystal display panel and its driving method

Lithium element supplementing method for electrode of lithium ion battery

The invention aims at providing a method for supplementing lithium element in a new lithium ion battery. A liquid solution method is used for supplementing lithium for an electrode which needs to supplement with lithium element, and the lithium element supplementing method has better process feasibility. The method comprises the following steps: preparing a solvent which can dissolve metal lithium, and dissolving the metal lithium to form a lithium solution; enabling an electrode sheet to be in full contact with the lithium solution and enabling the lithium solution to infiltrate into the electrode; removing the solvent in the electrode sheet to obtain the electrode sheet after lithium supplementation. By adopting the method provided by the invention, the lithium element can be added into the electrode sheet, and the discharge capacity of the lithium ion battery assembled by the electrode can be improved.

Active element array substrate and repair method thereof

The invention relates to an active element array substrate and a repair method thereof, which is a mechanism of grouping a plurality of data lines corresponding to the same source drive circuit, and providing repair for each group of data lines by adopting mutually independent repair line segments so as to reduce the capacity effect generated between the repaired data lines and the repair line segments and prevent the adverse effect of the capacity effect on charging effect of pixels, thereby improving the display quality of the display panel.

Display, display driving method and source driving circuit

The invention relates to a display comprising a plurality of first data lines, a plurality of second data lines, a plurality of pixel arrays, at least one first charge sharing switch circuit and at least one second charge sharing switch circuit. Each second data line and each first data line are alternately arranged; each pixel array respectively comprises a plurality of first pixels and a plurality of second pixels, wherein each first pixel in each pixel array is electrically connected with one of the first data lines, and each second pixel in each pixel array is electrically connected with one of the second data lines; the first charge sharing switch circuits are electrically connected with at least parts of the first data lines; and the second charge sharing switch circuits are electrically connected with at least parts of the second data lines. The invention also provides a display driving method and a source driving circuit.

Liquid crystal display device

The invention relates to a liquid crystal display device. The device comprises a source driver for providing a plurality of data signals, a grid driver for modulating a voltage according to a high level grid signal to provide a plurality of grid signals, a pixel array unit for displaying images according to the plurality of data signals and the plurality of grid signals, and a grid pulse modulating unit. The grid pulse modulating unit comprises a waveform chamfering circuit, a diode and a transistor. The waveform chamfering circuit is used for providing a high level grid signal modulating voltage according to a chamfering control signal and a reference voltage of the high level grid signal so as to execute a waveform chamfering operation on the plurality of grid signals. The waveform chamfering operation has a voltage clamping function according to the unidirectional transmission property of the diode, and the transistor enables/removes the voltage clamping function according to the chamfering ...

Clock signal generating signal and clock signal generating circuit

The invention discloses a clock signal generating signal and clock signal generating circuit. The clock signal generating circuit comprises two output terminals for providing a first and a second clock signal according to the first and second input signals. A charge storage element is used for executing the charge conversion from a first output terminal to the charge storage element in a period when the first clock signal is high level, and executing the charge conversion from the charge storage element to a second output terminal in a period when the second clock signal is low level. In another period of the clock period, the charge storage element is used for executing the charge conversion from the second output terminal to the charge storage element in a period when the second clock signal is high level, and executing the charge conversion from the charge storage element to the first output terminal in a period when the first clock signal is low level.

Regulation method and device of display equipment

The invention relates to an adjusting method of a display device and an adjusting device thereof, wherein, the adjusting device comprises a time control module connected with a grid electrode driver of the display device and a storing module which is electrically connected with the time control module. The storing module is used to store a first pulse wave width and a second pulse wave width, wherein, the time control module determines an image frequency of the display device, when the image frequency is positioned in a first image frequency range, an adjusting wave shape with the first pulsewave width is outputted; when the image frequency is positioned in a second image frequency range, an adjusting wave shape with the second pulse wave width is outputted.

Display, display driving method and source driving circuit

The invention relates to a display comprising a plurality of first data lines, a plurality of second data lines, a plurality of pixel arrays, at least one first charge sharing switch circuit and at least one second charge sharing switch circuit. Each second data line and each first data line are alternately arranged; each pixel array respectively comprises a plurality of first pixels and a plurality of second pixels, wherein each first pixel in each pixel array is electrically connected with one of the first data lines, and each second pixel in each pixel array is electrically connected with one of the second data lines; the first charge sharing switch circuits are electrically connected with at least parts of the first data lines; and the second charge sharing switch circuits are electrically connected with at least parts of the second data lines. The invention also provides a display driving method and a source driving circuit.

Grid electrode driving circuit

The invention relates to a grid electrode driving circuit. The grid electrode driving circuit is arranged on a base plate and comprises a plurality of shift register levels which are sequentially distributed on the base plate in the preset direction, the shift register levels are divided into a plurality of groups and are used for outputting a plurality of grid electrode driving signals, and eachgroup comprises a plurality of shift register levels in cascade connection coupling, wherein the time sequences of a plurality of initial pulse signals adopted by the groups are different, and in addition, the output sequence of the grid electrode driving signals is different from the distribution sequence of the shift register levels.

Metal reflector electrode high-voltage LED chip preparation method

A metal reflector electrode high-voltage LED chip preparation method belongs to the technical field of semiconductor illumination. The method comprises the steps of arranging multiple electrically-isolated microcrystallites in an array on a GaN-base material of a substrate, preparing N steps, depositing transparent insulation layers, and preparing P electrodes and N electrodes. Metal vapor-plating layers used for preparing the P electrodes cover the edges of the insulation layers and the side faces of the microcrystallites. The insulation layers are deposited on a Si base plate, and metal connecting lines and bumps used for back bonding are vapor-plated on the insulation layers. A prepared GaN chip is mounted on the Si base plate in an upside-down manner. The microcrystallites arranged in an array are electrically connected with the metal connecting lines and the bumps on the Si base plate. The P electrodes of the invention not only has an electrode function, but also has a reflector function ...

Liquid crystal display device

The invention relates to a liquid crystal display device. The device comprises a source driver for providing a plurality of data signals, a grid driver for modulating a voltage according to a high level grid signal to provide a plurality of grid signals, a pixel array unit for displaying images according to the plurality of data signals and the plurality of grid signals, and a grid pulse modulating unit. The grid pulse modulating unit comprises a waveform chamfering circuit, a diode and a transistor. The waveform chamfering circuit is used for providing a high level grid signal modulating voltage according to a chamfering control signal and a reference voltage of the high level grid signal so as to execute a waveform chamfering operation on the plurality of grid signals. The waveform chamfering operation has a voltage clamping function according to the unidirectional transmission property of the diode, and the transistor enables/removes the voltage clamping function according to the chamfering ...

Aryne synthetic method

The invention discloses a new aryne synthetic method, and belongs to the technical field of chemical industry. The method is as follows: a new aryne precursor is prepared from sulfuryl fluoride and 2- tri-alkyl (or aryl) sily phenol as starting materials, and the new aryne precursor is reacted with an alkali to produce aryne (a reactive intermediate). The reactive intermediate can chemically reacted in situ with other compounds. The fluorine atom content of a substrate of the method is low, atomic economy is high, pollution to the environment and damage to the human body caused by fluorine in the reaction and post treatment process can be effectively reduced, raw materials are cheap and easy to get, and the method has the advantages of simple synthesis process, mild reaction conditions, simple post-processing procedure and high yield, and is suitable for industrial production.

Image display method of plane display device

The invention relates to an image display method of a plane display device, which comprises the following steps of providing image data to each pixel in the plane display device so as to make the plane display device function, setting a picture with a certain number of frames as a group picture and making the same pixels adopting the same polarity inversion way in two adjacent frames of the group picture have different polarities while the same pixels adopting the same polarity inversion way but respectively from the last frame of a front group picture and a first frame of a rear group picture of two adjacent group pictures have the same polarity. By defining the polarity of each pixel in the picture in a specific way, the invention is enabled to prevent the technical defect in the prior art that the overall picture has a bad uniformity.

Liquid crystal display and method for driving same

The embodiment of the invention provides a liquid crystal display and method for driving same. The liquid crystal display comprises a grid drive circuit, a control circuit and a charge sharing circuit. The control circuit provides a charge sharing signal according to the parasitic capacitance values of a first and second output ends of the grid drive circuit. The charge sharing circuit shares charges with a first and second clock signals based on the charge sharing signal to generate a third and fourth clock signals corresponding to each other, wherein the third clock signal comprises the waveform drop edge from a high potential to a first potential, while the fourth clock signal comprises the waveform drop edge from high potential to a second potential. The grid drive circuit respectively outputs a first and second grid drive signals at the first and second output ends according to the third and fourth clock signals. The flicker can be effectively removed by regulating the shared voltage ...

Power level shifter, liquid crystal display device and charge sharing method

The invention discloses a power level shifter comprising a control logic circuit, a plurality of power level shift output buffers and a plurality of charge sharing circuits. The control logic circuit receives a plurality of input clock pulse signals and a charge sharing signal, and obtains the power level information of the signals; the output buffers are respectively used for conducting enlarging treatment to corresponding individuals in the input clock pulse signals, and the power level information of the charge sharing signal determines whether the corresponding individuals are output; and each charge sharing circuit is electrically coupled between the output ends of the corresponding individuals in the output buffers and a prearranged power level, and is determined whether to be conducted by the power level information of the input clock pulse signals of the corresponding individuals, and if the charge sharing circuit is conducted, the prearranged power level is electrically communicated ...

Backlight module of liquid crystal display

The invention discloses a backlight module of a liquid crystal display (LED) and the backlight module comprises a circuit board, a LED drive element and a plurality of LED light bar sections. Each LEDlight bar section comprises a plurality of LED universal serial buses. The LED drive element is electrically connected with the circuit board line and further electrically connected with the LED universal serial buses of the LED light bar sections through the circuit board line.