46results about How to "Extended writing time" patented technology

The invention provides a display panel, a display method, and a display device, and relates to the technical field of display. The voltage writing time of a data line can be increased, the cost is saved, and the wiring is simplified. The display panel provided by the invention comprises a pixel switch tube, a display area, a scan driving circuit, and a gating unit, wherein the first electrode of the pixel switch tube is electrically connected with the data line, and the gate of the pixel switch tube is electrically connected with a scan line; the display area comprises a main display area andan auxiliary display area, and the scan driving circuit comprises a first scan driving circuit and a second scan driving circuit; the first scan driving circuit is electrically connected with a firstsub scan line in the auxiliary display area, and the second scan driving circuit is electrically connected with a second sub scan line in the main display area; at least one gating control end and atleast one input end of the gating unit are respectively electrically connected with a control unit, and a first output end is electrically connected with a gate driver control signal line of the firstscan driving circuit; a second output end is electrically connected with a gate driver control signal line of the second scan driving circuit.

A plurality of data lines are provided for pixels arranged in one column. One of the data lines is precharged to a predetermined voltage, and a write current of a voltage corresponding to black data is supplied to a selected pixel via another data line. These data lines are connected to the pixels in different rows in a predetermined sequence. A display device capable of writing a complete black signal without impairing a margin for a write time can be provided.

A display device in which a current supplied to a light emitting element is corrected depending on a degradation level of the light emitting element and display variations due to the degradation of each light emitting element are suppressed. Further, according to the display device of the invention, the effect of variations in TFTs is reduced and writing time of a signal is shortened. To achieve the aforementioned display device, according to the invention, a current value supplied to a light emitting element is corrected in accordance with the degradation thereof instead of correcting a video signal. Further, the display device comprises at least a supply source for supplying a corrected current depending on the degradation of a light emitting element and a current source for supplying the corrected current from the supply source to the light emitting element. Moreover, according to such a display device, a first current source of the supply source supplies a corrected current corresponding to the degradation of the least degraded light emitting element of the light emitting elements connected to the same signal line, meanwhile a second current source supplies a corrected current corresponding to the degradation of the most degraded light emitting element of the light emitting elements connected to the same signal line.

A write driver circuit capable of controlling the waveform of overshoot of a write current, more specifically, controlling a rise, amplitude, and duration of overshoot (OS) in the waveform of an output current independently of one another. The write driver circuit includes transistors for controlling the rise, amplitude, and duration of OS, an impedance matching unit between the write driver and the load, and a canceller of reflection waves from the head.

The invention relates to the field of display technologies, in particular to a gate drive circuit, an array substrate and a display device. Based on the prior art, an output end switching element controlled by second clock signals is additionally arranged between the input end and the output end of a shifting register in each level, and the original reset connection mode between the output end of the next level and the reset end of the upper level is changed to be the reset connection mode between the output end of the N+2 level and the reset end of the N level. Under the design, gate line output signals of the shifting register in each level in the gate drive circuit can be output in advance, the continuous output time of the gate line output signals is doubled, so that write time of data signals is greatly increased, and occurring possibility of display failures is reduced.

Methods and apparatus for a dual-port SRAM in a programmable logic device. One embodiment provides a programmable logic integrated circuit including a dual-port memory. The memory includes a plurality of memory storage cells, and each memory storage cell has a memory cell having a first node and a second node, a first series of devices connected between a first data line and the first node of the memory cell, and a second series of devices connected between a second data line and the second node of the memory cell. A read cell is connected to the second node of the memory cell. A word line is connected to a first device in the first series of devices, a second device in the second series of devices, and the read cell.

A domino read bit line structure (20) integral to an SRAM array (1, 2) with thirty-two word lines or less to access SRAM cells divided into two groups (3, 4, 90, 100) is described. The bit line structure (20) includes a dynamic bit decode multiplexer (11, 40) and two NAND circuits (5, 80) used to combine the two groups (3, 4, 90, 100), wherein in order to reduce power consumption the two NANDS (80) drive the dynamic bit decode multiplexer (40) directly, such that true and complement dynamic outputs (rt, rc) drive a set-reset latch (50) to convert the dynamic outputs (rt, rc) to a single static signal (doc), wherein the output of the set-reset latch (50) is already static so that the set-reset latch (50) acts as an effective array output latch (7).

There is provided a nonvolatile semiconductor memory device capable of accelerating writing time and avoiding readout errors of information by eliminating variation in threshold voltage of unselected memory cells. In a nonvolatile semiconductor memory device having a memory cell array with memory cells capable of erasing and programming information, the memory cells store one data value selected from the same number of data values as programming distribution ranges, associated with that the electrical attribute belongs to any one of the more than one programming distribution ranges. The device comprises an erasure means for erasing the selected memory cell to be erased so that its electrical attribute belongs to a erasure distribution range not overlapping any of the programming distribution ranges and a programming means for programming an erased memory cell to be programmed so that its electrical attribute belongs to any one of the programming distribution ranges.

The invention provides a video file storage device and a video file storage method. The video file storage device comprises a single partition table module, an index block module and a data block module, wherein the index block module comprises a data block descriptor module for describing basic information of the data block module; the data block descriptor module comprises the following units: a block number recording unit, an attribute recording unit, a formatting identification recording unit, a data block capacity recording unit, a data block total quantity recording unit, an occupied block quantity recording unit, a write pointer position recording unit, data block descriptor index node quantity recording unit and a cyclic redundancy check unit used for performing data error verification so as to ensure the correctness and integrality of data. By virtue of adopting the device, certain aspects such as the data read-write efficiency, the retrieval efficiency and the retrieval precision are improved to a certain degree, and whole storage media (such as a hard disk and an SD card) can be efficiently managed.

An apparatus for driving a liquid crystal display (LCD) includes a timing controller, a source driver and a gate driver. A panel of the LCD includes gate line groups, and each of the gate line groups includes gate lines. Scan pulse signals having a same scan pulse period and output enable signals are generated by the gate driver. The scan pulse signals are respectively enabled by the output enable signals and each of the scan pulse signal has one of a data writing period and a gray level writing period during the scan pulse period. During the data writing period, only one of the gate lines is turned on at a point in time by the scan pulse signals. During the gate level writing period, one of the gate line groups is turned on by the scan pulse signals. Thus, the edge blur of displaying moving images is eliminated.

A logical block management method for managing a plurality of logical blocks of a flash memory device is provided. The logical block management method includes providing a flash memory controller, grouping the logical blocks into a plurality of logical zones, wherein each logical block maps to one of the logical zones. The logical block management method also includes counting a use count value for each logical block, and dynamically adjusting mapping relations between the logical blocks and the logical zones according to the use count values. Accordingly, the logical block management method can effectively utilizing the logical zones to determine usage patterns of the logical blocks and use different mechanisms to write data, so as to increase the performance of the flash memory storage device.

The invention relates to the technical field of display, in particular to a shift register unit, a shift register circuit and a display device. The shift register unit comprises a detection input module, a display input module, an inverter module, a pull-down module, a reset module and a first output module. In the working process of the shift register unit, the display input module and the detection input module share the inverter module, the pull-down module, the reset module and the first output module, so that the circuit structure of the shift register unit is greatly simplified, the areaof the shift register circuit is greatly reduced, and the requirements of high resolution and narrow frame can be met.

The invention discloses a pixel driving circuit. The pixel driving circuit comprises a driving transistor, a first switching element, a second switching element, a third switching element, a fourth switching element and a storage capacitor. Different control signals control the on-off states of the switching elements so as to achieve the compensation function of the pixel driving circuit, and the light emitting current of an OLED is only related to a threshold voltage and data signals of the OLED and is irrelevant to a threshold voltage of the driving transistor and the voltage drop of a back plate power supply, so that the problem that the light emitting brightness is uneven due to the deviation of the threshold voltage of the driving transistor and the voltage drop of the back plate power supply is solved. The invention further discloses a driving method, an array substrate and a display device.

In the present invention, a polarization having a lower polarization level than a saturation polarization is caused in a ferroelectric capacitor by applying a voltage that is lower than a saturation voltage to the ferroelectric capacitor. This allows a storage device to store many values by changing a length of a write-time during which the voltage is applied to the capacitor.

A display device is provided having improved reliability compared with the related art. The display device includes, for each pixel: a photo-emission element and a first MOS transistor connected in series between a first power source line and a second power source line; a capacitor connected to be inserted between a gate and a source of the first MOS transistor; and a second MOS transistor connected to be inserted between a signal line to be applied with a image signal voltage and the gate of the first MOS transistor, the second MOS transistor being controlled by a scan signal to change between ON-state and OFF-state, wherein ON-period of the first transistor is established within a period in which the photo-emission element is maintained to an extinction state and the signal line is applied with a voltage having a fixed level independent from the image signal voltage.

In a brake control system of a vehicle, a non-volatile memory of a micro controller mounted on a control apparatus can be rewritten data. The integrated control apparatus and a plurality of control apparatuses, which control the brake apparatuses to correspondingly installed at each wheel, are connected via the network. The integrated control apparatus, in the case where a request to rewrite a program to a control apparatus is sent from the service terminal which is connected via other networks, transmits an updated program sent from the service terminal, to a target control apparatus of the rewrite request via the network, after sending a brake command to make a vehicle stop. The control apparatus executes rewriting of a program stored in a non-volatile memory of the control apparatus has, by means of the updated program transmitted via the network.

The invention relates to a marking tool which comprises a marking nib, an ink containing device and a housing. The invention is characterized in that the marking tool also comprises a dredging device and an additive ink storage device. The dredging device is used for dredging the marking ink in the additive ink storage device to be communicated with the marking nib, so as to provide the marking ink for the marking nib. The invention also comprises a safety device which is arranged in the additive ink storage device, thus effectively preventing and avoiding an ink leakage phenomenon; an air-dry reducing phenomenon can not occur even if the ink is placed for a long time; the marking ink can be conveniently supplied or complemented to the ink containing device, so as to realize the effect of being capable of writing or continuously writing; the marking tool can effectively prevent and avoid a phenomenon of incapable writing caused by that the marking nib is air-dried or plugged and can effectively prevent and avoid marking ink leakage phenomenon caused by easily pressing or pulling out the additive ink storage device by accident or when children play; the marking tool has the advantages of simple and reasonable structure as well as low cost, which is safe to use, prolongs the writing time and is suitable for mass production.

A display method thereof is provided. The display method includes following steps. In a first display period of a left eye frame period, first display data are read from a memory unit, and the left eye frame is displayed accordingly. In a second display period of the left eye frame period, second display data is provided and a black frame is displayed accordingly. In a third display period of a right eye frame period, third display data are read from the memory unit, and the right eye frame is displayed accordingly. In a fourth display period of the right eye frame period, the second display data is provided and the black frame is displayed accordingly. As such, writing-in time and display time of frames can be increased.

A three-dimensional (3D) display including a memory unit, a signal processing unit, a display panel, a pair of shutter glasses and a timing controller is provided. In a first display period of a left eye frame period, the signal processing unit reading and outputting the first display data from the memory unit. In a third display period of a right eye frame period, the signal processing unit reading and outputting the third display data from the memory unit. In a second display period of the left eye frame period and a fourth display period of the right eye frame period, the signal processing unit outputting second display data. The timing controller controlling the shutter glass and driving the display panel according the first display data, the second display data and the third display data. As such, writing-in time and display time of frames can be increased.

A chirped Bragg grating is fabricated in an optical fiber by exposing the fiber to a coherent beam of light through a parallel phase mask having a series of progressively chirped segments produced on a lithography tool. The chirped phase mask is fabricated by exposing a photoresist-coated substrate to an image writing element such as an electron beam or a laser according to a set of parameters provided to the lithography tool. The parameters include a basic grating pattern for each segment, a value that defines the expansion or contraction of the grating pattern and an axis location to which the grating pattern is to be written to the substrate. By selecting machine commands that implement these parameters with a minimum throughput overhead, the mask can be produced in a reduced time, and therefore with increased accuracy.

The invention relates to a marking tool, which comprises a marking pen tip, and an ink storing cavity, wherein, the marking pen tip is used for leading the marking ink liquid to be coated on a surface, and the ink storing cavity is used for providing the marking ink liquid for the marking pen tip. The marking tool is characterized in that an ink containing device with an absorbing capacity, at least an additional ink container which is filled with the marking ink liquid, and at least an opening device are also included, wherein, the ink containing device is at least partially arranged in the ink storing cavity, the opening device is used for opening the marking ink liquid in the additional ink container, so as to lead the marking ink liquid in the additional ink container to be communicated with the marking pen tip, and to provide the marking ink liquid for the marking pen tip. When the marking pen tip requires the marking ink liquid, or the ink containing device needs the marking ink liquid to provide writing (coating) for the marking pen tip, or the original marking ink liquid contained in the ink containing device is used up by the marking pen tip for writing (coating) or has a small amount of residue, at least one opening device opens the marking ink liquid in at least an additional ink container, so as to lead the making ink liquid to be communicated with the marking pen tip, and to lead the marking pen tip to obtain or continuously obtain the marking ink liquid, therefore the ink storing amount is increased, the writing time is prolonged, simultaneously, the ink liquid leakage phenomenon can be effectively prevented and avoided.

There is provided a nonvolatile semiconductor memory device capable of accelerating writing time and avoiding readout errors of information by eliminating variation in threshold voltage of unselected memory cells. In a nonvolatile semiconductor memory device having a memory cell array with memory cells capable of erasing and programming information, the memory cells store one data value selected from the same number of data values as programming distribution ranges, associated with that the electrical attribute belongs to any one of the more than one programming distribution ranges. The device comprises an erasure means for erasing the selected memory cell to be erased so that its electrical attribute belongs to a erasure distribution range not overlapping any of the programming distribution ranges and a programming means for programming an erased memory cell to be programmed so that its electrical attribute belongs to any one of the programming distribution ranges.

The invention discloses a marking tool which comprises a marking nib for coating a marking ink on a surface and an ink storage cavity for supplying the marking ink to the marking nib. The marking tool is characterized in that: the marking tool also comprises an ink containing device with adsorption function, at least one additional ink storage device which is wholly closed and filled with the marking ink, and at least one opening device; at least part of the ink containing device is arranged in the ink storage cavity; the opening device is used for opening the marking ink of the additional ink storage device to supply the marking ink to the marking nib; the additional ink storage device can move or rotate in a radial way corresponding to or along the opening device or the ink storage cavity, which effectively prevents and avoids the phenomenon that the normal marking nib does not work before the marking tool leaves factory because the marking ink contained by the marking nib is easy to reduce due to volatilization or air drying or be blocked due to air drying; the phenomena that the marking ink is reduced due to natural volatilization or air drying or the marking ink leaks is prevented and avoided effectively; the marking ink is not easy to reduce due to volatilization or air drying even being stored for a long time; the storage amount of the ink is increased, the writing time is prolonged and the ink leakage is prevented effectively; the independent ink storage device is used for supplying or supplementing the marking ink to the ink containing device of the marking tool, or can replace the ink storage device, marking ink of which is used up, in the marking tool, thus prolonging the writing time, and effectively preventing and avoiding ink dripping and leakage. The marking tool has the advantages of simple and reasonable structure, low cost, convenient processing and good anti-leakage performance, which saves resource and is suitable for mass production.

In the present invention, a polarization having a lower polarization level than a saturation polarization is caused in a ferroelectric capacitor by applying a voltage that is lower than a saturation voltage to the ferroelectric capacitor. This allows a storage device to store many values by changing a length of a write-time during which the voltage is applied to the capacitor.

A matrix substrate having plural switching elements provided in matrix corresponding to intersecting points of scanning lines and signal lines, plural picture element electrodes connected to the switching elements, and horizontal circuits and vertical circuits for inputting the signals to the switching elements comprises a horizontal scanning circuit for sampling a picture data based on digital picture signals, a latch circuit for memorizing the data synchronously with output from the horizontal scanning circuit, a D / A converter for converting the output from the latch circuit into analog signals, plural signal transfer switches provided between the D / A converter and the signal lines, and a selection circuit for selecting at least one of the signal transfer switches. A liquid crystal device comprises the matrix substrate, a counter substrate opposing to the matrix substrate and a liquid crystal material placed between the matrix substrate and the counter substrate.

The invention relates to an ink-store device used for marking and marking tool. The device contains cylinder and has characteristic as that: set cover and base on both sides of the cylinder to form a totally enclosed ink-store device which loading marked ink. There are at least some parts' dimension between 5 millimeters - 38 millimeters, or the cross-section with biggest length of cross direction has the size between 5 millimeters - 40 millimeters. Make the device loading marked ink and totally enclosed to avoid ink leak through effective even influenced by changing of temperature or atmosphere. It prolong the using time of writing to avoid reduce by air dry for a long time loading. And it avoid can't writing because of the pen tip blinding or air dried. Match the device and marking tool can make better matching between the ink-stored amount in the device and the require of marked ink adsorption in marking tool. It can make marked ink supplement in containing ink device of marked tool more convenience. Or change used-out ink-store device fix in marking tool with ink containing device to make serial writing. The invention has simple structure, low cost, and good anti-nature, safe using, long writing time, resource saving, and can be produced multitudinous.

A display device in which a current supplied to a light emitting element is corrected depending on a degradation level of the light emitting element and display variations due to the degradation of each light emitting element are suppressed. Further, according to the display device of the invention, the effect of variations in TFTs is reduced and writing time of a signal is shortened. To achieve the aforementioned display device, according to the invention, a current value supplied to a light emitting element is corrected in accordance with the degradation thereof instead of correcting a video signal. Further, the display device comprises at least a supply source for supplying a corrected current depending on the degradation of a light emitting element and a current source for supplying the corrected current from the supply source to the light emitting element. Moreover, according to such a display device, a first current source of the supply source supplies a corrected current corresponding to the degradation of the least degraded light emitting element of the light emitting elements connected to the same signal line, meanwhile a second current source supplies a corrected current corresponding to the degradation of the most degraded light emitting element of the light emitting elements connected to the same signal line.

A display driver includes an amplifier circuit configured to output time-sequentially arrayed first to n-th data voltages to an image-signal input terminal, and a switch-control-signal output circuit configured to output switch control signals that control the first to n-th switches disposed between the image-signal input terminal and respective first to n-th data lines. The switch-control-signal output circuit outputs the switch control signals that turn on two or more switches including a p-th switch (where p is an integer within the range of 2 to n, inclusive) among the first to n-th switches during a first driving period. The amplifier circuit outputs a p-th data voltage among the first to n-th data voltages during the first driving period.

The present invention relates to the field of display technology, and specifically provides a gate drive circuit, an array substrate and a display device. On the basis of the prior art, the present invention adds an output switching element controlled by the second clock signal between the input and output of each stage of shift register, and converts the original output of the next stage to The reset connection mode connected to the reset terminal of the upper stage is changed to the reset connection mode in which the output terminal of the N+2th stage is connected to the reset terminal of the Nth stage. Under such a design, the present invention can output the gate line output signal of each shift register in the gate drive circuit in advance, and double its continuous output time, thereby greatly increasing the writing time of the data signal and reducing A small indication of the possibility of malfunction.

A memory write timing system includes a modified memory bitcell including a storage device and a write / read circuit for writing / reading data to / from the storage device; and an output circuit for detecting the current state of the storage device.