CN106205529B - Electric charge sharing method and device - Google Patents
Electric charge sharing method and device Download PDFInfo
- Publication number
- CN106205529B CN106205529B CN201610578959.2A CN201610578959A CN106205529B CN 106205529 B CN106205529 B CN 106205529B CN 201610578959 A CN201610578959 A CN 201610578959A CN 106205529 B CN106205529 B CN 106205529B
- Authority
- CN
- China
- Prior art keywords
- signals
- signal
- charge sharing
- column
- charge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 38
- 230000008859 change Effects 0.000 claims description 56
- 238000012935 Averaging Methods 0.000 claims description 5
- 239000004973 liquid crystal related substance Substances 0.000 description 11
- 239000003086 colorant Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 230000009977 dual effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000012937 correction Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
The invention discloses a kind of electric charge sharing method and devices.Wherein, this method includes：The shared signal of charge can be carried out by obtaining in display screen；Whether the amplitude of variation for judging that the shared signal of charge can be carried out is more than threshold value；It is shared that charge is carried out for the signal that amplitude of variation is more than threshold value.The present invention solves the big technical problem of driving chip overall power of display screen in the prior art, reduces chip power-consumption, reduces the operating temperature of chip.
Description
Technical Field
The invention relates to the field of display, in particular to a charge sharing method and device.
Background
The charge sharing is mainly applied to a driving chip of a display screen (such as a liquid crystal display), and aims to reduce the power consumption of charging and discharging the display screen.
The charge sharing technology in the prior art has two modes, the first mode is to adopt a short circuit of all output signals of a signal source, and does not divide the signal polarity of the output signals, the charge sharing technology saves electricity when pixels (namely image units, also called pixels) of a display screen are applied in a line inversion mode, but the resolution ratio is higher and higher along with the increasing size of a liquid crystal panel, and under the condition, if all the signal source outputs are still in a short circuit mode, the waste of power consumption is caused; the second way is to adopt a technology of separately dividing polarities of output signals with different polarities to perform charge sharing, and fig. 1 further describes power consumption changes of different signals before and after participating in charge sharing in the prior art by taking 6 signals participating in charge sharing as an example and taking a red picture in a normally black liquid crystal screen as an example. As shown in fig. 1, the signals participating in charge sharing include: a signal N +1, a signal N +2, a signal N +3, a signal N +4, a signal N +5, and a signal N +6, in fig. 1, from left to right, are a signal waveform diagram, a non-charge-sharing power consumption diagram, and a charge-sharing power consumption diagram, where R denotes red, Q denotes an amount of electric charge consumed, and + denotes that the signal is a positive polarity signal, -denotes that the signal is a negative polarity signal:
the signal N +1 is positive and includes two colors, red and green: a first high level, displaying red R; the second section is an intermediate level, and green is not displayed; in the following analogy, the high level displays red R, and the low level does not display green;
the signal N +2 is negative, and the display includes two colors of blue and red: the first section of middle level, blue is not displayed, and the second section of low level, red is displayed; the process is analogized in the following, the middle level blue is not displayed, and the low level red R is displayed;
the signal N +3 is positive, the display comprises two colors of green and blue, the green and the blue do not need to be displayed because of a red picture, and the waveform is displayed as a straight line of the middle level;
the signal N +4 is negative polarity, the display comprises red and green, the first section of low level displays red R, the second section of middle level displays green; in the following analogy, the low level displays red R, and the middle level does not display green;
the signal N +5 is positive, the display comprises two colors of blue and red, the first section of middle level, blue is not displayed, and the second section of high level displays red R; the process is analogized in the following, the middle level blue is not displayed, and the high level red R is displayed;
the signal N +6 is negative polarity, and the display includes two colors of green and blue, neither of which is displayed, and the green and blue are not required to be displayed because of a red picture, and the waveform is displayed as a straight line of the middle level, wherein N is an integer more than or equal to 0.
As can be seen from fig. 1, when the output signals with different polarities are divided for charge sharing, for example, when the signal with positive polarity is charge shared, the signal with power consumption is mainly the signal N +5, wherein the power consumption is (2/3) Q, and when the signal without charge sharing is not involved, the signal with power consumption is mainly the signal N +5, wherein the power consumption is Q. Similarly, the negative polarity signal can be used for charge sharing power consumption. Therefore, in the prior art, when the output signals with different polarities are separately subjected to charge sharing, the power consumption consumed by the circuit is (2/3) Q, and although (1/3) Q is saved compared with the power consumption Q without charge sharing, the power consumption of the circuit is wasted for channels with unchanged data, such as a signal N +3 and a signal N + 6. With the liquid crystal panel of the display screen becoming larger and the resolution becoming higher and higher, the whole power consumption of the chip rises and the heat generation becomes more and more serious, and the technical requirement for reducing the whole power consumption of the chip is more and more urgent.
Aiming at the problem that the whole power consumption of a driving chip of a display screen in the prior art is large, an effective solution is not provided at present.
Disclosure of Invention
The embodiment of the invention provides a charge sharing method and a charge sharing device, which at least solve the technical problem that the whole power consumption of a driving chip of a display screen is large in the prior art.
According to an aspect of an embodiment of the present invention, there is provided a charge sharing method including: acquiring a signal capable of carrying out charge sharing in a display screen; judging whether the change amplitude of the signal capable of charge sharing exceeds a threshold value; and carrying out charge sharing among signals for the signals with the change amplitude exceeding the threshold value.
Further, when the signal capable of charge sharing is a column signal, determining whether a variation width of the signal capable of charge sharing exceeds a threshold value includes: and taking the m column signals as a group, judging the column signals capable of charge sharing in the group, and determining the column signals participating in charge sharing among the signals by using the signals with the variation amplitude exceeding a threshold value.
Further, when the signal capable of charge sharing is a column signal, determining whether a variation width of the signal capable of charge sharing exceeds a threshold value includes: for all column signals with the same polarity, whether the change amplitude of the signals exceeds a threshold value is judged to determine the column signals participating in charge sharing among the signals.
Further, determining whether the magnitude of the change in the signal exceeds a threshold value comprises: weighting all column signals with the same polarity to obtain weighted column signals; and judging whether the change amplitude of the weighted column signal exceeds a threshold value.
Further, when the signal capable of charge sharing is a column signal, determining whether a variation width of the signal capable of charge sharing exceeds a threshold value includes: and judging whether the change amplitude of the signals exceeds a threshold value or not for the partial column signals with the same polarity so as to determine the column signals participating in charge sharing among the signals.
Further, still include: for each column signal, when the H-th row of the column signal is driven, detecting the difference of the column signal between the H-1 th row and the H-th row, and if the difference exceeds a threshold value, carrying out charge averaging and then driving; if the threshold is not exceeded, the drive is performed directly.
Further, acquiring the signal capable of charge sharing in the display screen further comprises: acquiring and acquiring a signal capable of carrying out charge sharing in a display screen through a sensor; or, a signal capable of charge sharing in the display screen is acquired through the circuit.
According to another aspect of the embodiments of the present invention, there is also provided a charge sharing apparatus, which may include: the acquisition unit is used for acquiring signals capable of carrying out charge sharing in the display screen; a judging unit configured to judge whether or not a variation width of the charge-share capable signal exceeds a threshold; and the sharing unit is used for carrying out charge sharing among signals for the signals with the variation amplitude exceeding the threshold value.
Further, the judging unit includes: and a first determining module, configured to, when the signal capable of charge sharing is a column signal, determine, using m column signals as a group, the column signals capable of charge sharing in the group, and determine, as the column signal participating in charge sharing between signals, a signal whose variation amplitude exceeds a threshold.
Further, the judging unit includes: and the second determining module is used for judging whether the change amplitude of the signals exceeds a threshold value for all column signals with the same polarity to determine the column signals participating in charge sharing among the signals when the signals capable of charge sharing are the column signals.
According to another aspect of the embodiments of the present invention, there is also provided a storage medium, where the storage medium includes a stored program, and where the apparatus where the storage medium is located is controlled to execute the charge sharing method in any one of the above embodiments when the program runs.
According to another aspect of the embodiments of the present invention, there is also provided a processor, configured to execute a program, where the program executes to perform the charge sharing method in any one of the above embodiments.
By adopting the embodiment of the invention, the signal which can carry out charge sharing in the display screen is obtained, and whether the charge sharing is carried out is judged according to the obtained signal which can carry out charge sharing; judging whether the variation amplitude of the signal capable of charge sharing exceeds a threshold value or not so as to judge whether charge sharing among signals is carried out or not by judging whether the variation amplitude exceeds the threshold value or not; and carrying out charge sharing among signals for the signals with the change amplitude exceeding the threshold value. In the embodiment of the invention, whether the charge sharing among the signals is carried out is determined based on whether the variation amplitude of the signals capable of carrying out the charge sharing exceeds the threshold value or not, so that the purpose of carrying out the charge sharing is achieved, the charge sharing efficiency is improved, the power consumption is saved, the working temperature of a chip is reduced, and the technical problem that the whole power consumption of a driving chip of a display screen in the prior art is large is solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a waveform illustrating charge sharing with different polarity separations according to the prior art;
FIG. 2 is a flow chart of a charge sharing method according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of an alternative driver circuit according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of charge sharing waveforms according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a charge sharing device according to an embodiment of the invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In accordance with an embodiment of the present invention, there is provided an embodiment of a charge sharing method, it should be noted that the steps illustrated in the flowchart of the accompanying drawings may be performed in a computer system such as a set of computer executable instructions, and that while a logical order is illustrated in the flowchart, in some cases the steps illustrated or described may be performed in an order different than here.
Fig. 2 is a flow chart of a charge sharing method according to an embodiment of the present invention, as shown in fig. 2, the method includes the following steps:
step S202, acquiring a signal which can be used for charge sharing in a display screen;
step S204, judging whether the change amplitude of the signal capable of carrying out charge sharing exceeds a threshold value;
in step S206, charge sharing between signals is performed for signals whose variation width exceeds a threshold.
By adopting the embodiment of the invention, the signal which can carry out charge sharing in the display screen is obtained, and whether the charge sharing is carried out is judged according to the obtained signal which can carry out charge sharing; judging whether the variation amplitude of the signal capable of charge sharing exceeds a threshold value or not, and judging whether charge sharing between the signals is carried out or not by judging whether the variation amplitude exceeds the threshold value or not; and carrying out charge sharing among signals for the signals with the change amplitude exceeding the threshold value. In the embodiment of the invention, whether the charge sharing among the signals is carried out is determined based on whether the variation amplitude of the signals capable of carrying out the charge sharing exceeds the threshold value or not, so that the purpose of carrying out the charge sharing is achieved, the charge sharing efficiency is improved, the power consumption is saved, the working temperature of a chip is reduced, and the technical problem that the whole power consumption of a driving chip of a display screen in the prior art is large is solved.
The display screen may be a liquid crystal display screen or an LED (Light Emitting Diode) display screen.
In an optional embodiment, the acquiring of the signal capable of charge sharing in the display screen (e.g., a liquid crystal display) may be performed by acquiring the signal capable of charge sharing in the display screen through a sensor, or acquiring the signal capable of charge sharing in the display screen through an acquiring circuit or an acquiring device.
The above-described determination is made as to whether or not the change width of the signal capable of charge sharing exceeds a threshold, that is, whether or not the change width of the signal capable of charge sharing exceeds a threshold.
for example, the signals capable of charge sharing include a first signal S1, a second signal S2, and a third signal S3, where the amplitude of the first signal S1 is a1, the amplitude of change of the first signal S1 is △ a1, the amplitude of the second signal S2 is a2, the amplitude of change of the second signal is △ a2, the amplitude of change of the third signal S3 is A3, the amplitude of change of the third signal S3 is △ A3, and the threshold k is specifically implemented as follows:
in an alternative embodiment, the relationship between the amplitude a1 of the first signal S1, the amplitude a2 of the second signal S2 and the amplitude S3 of the third signal S3 is obtained as the magnitude of A3 and the threshold K, so as to determine whether the variation amplitude △ a1 of the first signal S1, the variation amplitude △ a2 of the second signal and the variation amplitude △ A3 of the third signal exceed the threshold, that is, determine whether △ a1 > K, determine whether △ a2 > K is satisfied, and determine whether △ A3 > K is satisfied.
in another alternative embodiment, it is determined whether or not the weighted amplitude a1 of the first signal S1, the weighted amplitude △ a1 of the amplitude a2 of the second signal S2, and the weighted amplitude △ A3 of the third signal exceed the threshold value after weighting the amplitudes a1 of the first signal S1, the amplitude a2 of the second signal S2, and the amplitude A3 of the third signal S3, respectively, and when the weighted amplitude a1 of the first signal S1 is r1, the weighted amplitude a1 of the second signal S1 is r1, and the weighted amplitude a1 of the third signal S1 is r1, it is determined whether or not the weighted amplitudes a1 a is satisfied, and it is determined whether or not the weighted amplitudes a1 a > r 1K, respectively.
The method for determining whether the variation amplitudes of the first signal, the second signal and the third signal capable of charge sharing exceed the threshold includes, but is not limited to: and judging after direct judgment and weighting.
The above-mentioned determination of whether or not the variation width of the charge-sharable signal exceeds the threshold value means determination of whether or not the variation width of each of the charge-sharable signals exceeds the threshold value. The first signal in the above embodiments may be any one of the charge-sharing-capable signals, the second signal may be any other one of the charge-sharing-capable signals, and the third signal may be any other one of the charge-sharing-capable signals, that is, each of the charge-sharing-capable signals may be determined, and whether the magnitude of change of each of the charge-sharing-capable signals exceeds the threshold may be determined.
The threshold may be set in advance, may be a single value, may be a plurality of values, and may be a single threshold corresponding to a plurality of signals capable of charge sharing between signals.
Specifically, when it is determined that the threshold is exceeded, charge sharing between signals is performed for a signal whose change width exceeds the threshold. Otherwise, if the signal does not exceed the threshold value, the charge sharing among the signals is not carried out on the signals of which the variation amplitude does not exceed the threshold value. For example, the signals whose variation amplitudes exceed the threshold include the first signal S1 and the second signal S2, so that the first signal S1 and the second signal S2 participate in charge sharing between the signals; the signal whose variation amplitude does not exceed the threshold includes the third signal S3, the third signal S3 does not participate in charge sharing between the signals.
That is, upon judging that the amplitude a1 of the first signal S1 has a variation amplitude exceeding the threshold K, it is determined that the first signal S1 participates in charge sharing between the signals; when the amplitude A2 of the second signal S2 is judged to exceed the threshold value K, the first signal S2 is determined to participate in charge sharing among the signals; upon judging that the amplitude A3 of the third signal S3 does not exceed the threshold K, it is determined that the third signal S3 does not participate in charge sharing between the signals.
for example, the signals capable of charge sharing between signals include a first signal S1, a second signal S2, and a third signal S3, where the weight of the amplitude a1 of the first signal S1 is r1, the weight of the amplitude a2 of the second signal S2 is r2, the weight of the amplitude A3 of the third signal S3 is r3, and when the amplitudes of the first signal and the second signal are weighted, it is determined whether r1 a △ a1 > K is established, it is determined whether r2 a △ a2 > K is established, and it is determined whether r3 a △ A3 > K is established.
when r1 × △ a1 > K is determined, the first signal S1 performs charge sharing between signals, and when r1 × △ a1 ≦ K, the first signal S1 does not participate in charge sharing between signals.
when r2 × △ a2 > K is determined, the second signal S2 performs charge sharing between signals, and when r2 × △ a2 ≦ K, the second signal S2 does not participate in charge sharing between signals.
when r3 × △ A3 > K is determined, the third signal S3 performs charge sharing between signals, and when r3 × △ A3 ≦ K, the second signal S3 does not participate in charge sharing between signals.
By adopting the embodiment of the invention, after the signals capable of carrying out charge sharing are obtained, the signals capable of carrying out charge sharing among the signals capable of carrying out charge sharing are judged, and the signals capable of carrying out charge sharing among the signals are determined, so that the purpose of carrying out charge sharing is achieved, the charge sharing efficiency is improved, the power consumption is saved, the working temperature of a chip is reduced, and the technical problem that the whole power consumption of a driving chip of a display screen in the prior art is large is solved.
According to the above-described embodiment of the present invention, in a case where the signal capable of charge sharing is a column signal, the determining whether or not the magnitude of change of the signal capable of charge sharing exceeds the threshold includes: and taking m column signals as a group, judging column signals capable of charge sharing in the group, and determining the signals with the change amplitude exceeding a threshold value as the column signals participating in charge sharing among the signals.
Wherein m is an integer, and m is more than 1.
For example, the signals capable of charge sharing have p columns, where p is a natural number, and p > m, m columns in the p columns are respectively selected as a group, the signals in the m columns are respectively judged, the signals capable of charge sharing in the m columns are judged, and the signals capable of charge sharing in the m columns are determined.
By adopting the embodiment, under the condition that the signal capable of performing charge sharing is the column signal, the column signal participating in charge sharing among the signals is determined based on whether the change amplitude of the signal capable of performing charge sharing among the signals exceeds the threshold value, so that the purpose of sharing the charge is achieved, the charge sharing efficiency is improved, and the power consumption is saved.
According to the above-described embodiment of the present invention, in a case where the signal capable of charge sharing is a column signal, the determining whether or not the magnitude of change of the signal capable of charge sharing exceeds the threshold includes: for all column signals with the same polarity, whether the change amplitude of the signals exceeds a threshold value is judged to determine the column signals participating in charge sharing among the signals.
Optionally, each signal has a polarity of each signal, where the polarity may be positive or negative, all signals with the same polarity may be regarded as one group, for example, signals with positive polarity are regarded as one group, signals with negative polarity are regarded as another group, the signals with the same polarity are respectively determined, whether a variation amplitude of each signal in the signals with the same polarity exceeds a threshold is determined, and then, which signals with the same polarity participate in the column signal for charge sharing between signals is determined.
Respectively judging whether the change amplitude of the signals with the same polarity exceeds a threshold value or not by using the signals with the same polarity, for example, column signals capable of carrying out charge sharing have positive and negative polarities, and respectively judging whether the change amplitude of each positive column type exceeds the threshold value or not by using all positive column signals; and respectively judging whether the variation amplitude of each column type of the negative polarity exceeds a threshold value or not for all column signals of the negative polarity.
For another example, column signals with positive polarity are set as a group a, column signals with negative polarity are set as a group B, signals in the group a are respectively determined, which signals in the group a have changes exceeding a threshold value are determined, signals in the group B are respectively determined, which signals in the group B have changes exceeding a threshold value are determined, further, which signals in all positive polarity signals in the group a can participate in charge sharing among signals are respectively determined, and which signals in all negative polarity signals in the group B can participate in charge sharing among signals are respectively determined.
By adopting the embodiment, under the condition that the signals capable of carrying out charge sharing are column signals, based on all the column signals with the same polarity, the change amplitude of each column signal of all the column signals with the same polarity is respectively judged to exceed the threshold value, and the signals with the same polarity are determined to be capable of carrying out charge sharing among the signals, so that the purpose of carrying out charge sharing is achieved, the charge sharing efficiency is improved, and the power consumption is saved.
According to the above embodiment of the present invention, determining whether the variation amplitude of the signal exceeds the threshold value includes: weighting all column signals with the same polarity to obtain weighted column signals; and judging whether the change amplitude of the weighted column signal exceeds a threshold value.
The threshold may be preset, and each signal may correspond to one threshold, or a plurality of signals may correspond to one threshold.
By adopting the embodiment of the invention, the important signals are given a large weight and the unimportant signals are given a small weight by balancing the weights of different signals, whether all weighted column signals with the same polarity exceed the threshold value is judged, and the signals with the same polarity can be subjected to charge sharing, so that the precision of charge sharing is improved to a certain extent.
According to the above-described embodiment of the present invention, in a case where the signal capable of charge sharing is a column signal, the determining whether or not the magnitude of change of the signal capable of charge sharing exceeds the threshold includes: and judging whether the change amplitude of the signals exceeds a threshold value or not for the partial column signals with the same polarity so as to determine the column signals participating in charge sharing among the signals.
The above embodiments of the present invention are described in detail below with reference to a normally black liquid crystal panel, in which colors are displayed at high and low levels and no color is displayed at a middle level. As shown in fig. 1, each signal contains two adjacent columns of sub-pixels in a dual gate application, wherein the dual gate refers to a dual gate process in CMOS (Complementary Metal oxide semiconductor).
Thus, it is possible to determine whether or not the change width of the signal exceeds the threshold for the signals of the same polarity (e.g., the signal N +1, the signal N +3, and the signal N +5), for example, the signals exceeding the threshold are partial signals (the signal N +1 and the signal N +5) in the signals of the same polarity, and the signals exceeding the threshold are determined as column signals participating in charge sharing between the signals.
By adopting the embodiment, under the condition that the signals capable of carrying out charge sharing are column signals, the judgment is carried out based on partial signals in the signals with the same polarity, and the signals with the same polarity can be determined to carry out charge sharing among the signals, so that the purpose of carrying out charge sharing is achieved, the charge sharing efficiency is further improved, and the power consumption is saved.
According to the above embodiment of the present invention, for each column signal, when the H-th row of the column signal is driven, the difference between the H-1 th row and the H-th row of the column signal is detected, and if the difference exceeds the threshold, the column signal is driven after the charge averaging; if the threshold is not exceeded, the drive is performed directly.
Wherein H is more than 1 and H is an integer.
In an alternative embodiment, such as the driver circuit shown in fig. 3, the entire driver circuit is divided into a digital circuit portion and an analog circuit portion. The digital circuit portion includes an I/O (Input/Output) buffer 315, a busy flag generation circuit 301, an instruction register 302, an instruction decoder 303, a γ correction 304, a resistor bank 305, a FIFO (First Input First Output) 306, a shift register 307, a data register 308, and a timing generation circuit 311; the analog part includes a digital-to-analog conversion circuit 309, a column output buffer circuit 310, a signal generation circuit 312, and a row output buffer circuit 313. In order to reduce the power consumption of the driving circuit, a charge sharing control circuit 314 is added after the column output buffer circuit 310 and the row buffer circuit 313.
The gamma correction 304 and the FIFO306 in the above embodiments are optional devices, that is, the drive circuit may not include the gamma correction 304 and the FIFO 306.
In FIG. 3, R/W is selected to be input or output, data is read for 1, and data is written for 0; RS selects data register for 1 and selects instruction register for 0; e is an enable terminalThe falling edge is effective; CLK is the incoming clock signal. When the busy flag is 1, the busy flag indicates that the driving circuit is busy and does not receive external data; data 3 bit serial data A when busy flag is 00～A2And (4) inputting. R1～R100Outputting signals for the rows of the driving circuit; c1～C300The column output signals for the driver circuits.
The input serial data is converted into red, green and blue gray data after serial-parallel conversion, and the input signal is stored in FIFO. The input register reads in data of x pixel points (x may be one, and the value of x is not limited in this embodiment) each time; then under the control of the output signal of the shift register, the color gray scale signals are latched into the data register in sequence, and after the reading is finished, the data register stores a whole row of data to be displayed. The gray scale digital signals of the whole row select proper analog voltage through a digital-to-analog converter and output to a column driving output circuit, and the column output buffer circuit consists of an operational amplifier. The column output buffer circuit plays a role in increasing the driving current, so that the charging process of the liquid crystal pixel is quicker. The line scanning circuit is composed of a time sequence generating circuit, a signal generating circuit and a buffer, realizes the functions of line driving scanning and providing clocks for other circuits, realizes the charge reuse of the pixel points of the LCD (Liquid crystal display) under the control of the line scanning circuit and the charge sharing control circuit, and the column output driving circuit realizes the display driving of the LCD.
In the above embodiment, when reading a row of data, the data of a complete row may be read, or the data in the row may be read several times, for example, 2 times or 6 times, and the like, which is not limited in this application. When displaying data, a complete line of data may be displayed, and also currently read data may be displayed, which is not limited in this application.
By adopting the embodiment of the invention, when the H-th row of the column signal is driven, the difference of the column signal between the H-1 th row and the H-th row is detected, if the difference exceeds the threshold value, the driving is carried out after the charge averaging, so that the better energy-saving effect is obtained, and the power consumption is saved.
According to the above embodiment of the present invention, acquiring the signal capable of charge sharing in the display screen further includes: acquiring and acquiring a signal capable of carrying out charge sharing in a display screen through a sensor; or, a signal capable of charge sharing in the display screen is acquired through the circuit.
By adopting the embodiment of the invention, the flexibility of acquiring the signals capable of carrying out charge sharing in the display screen is improved through various acquisition modes.
In the following, an embodiment of the present invention is described in detail with reference to fig. 4, in a certain application (for example, dual gate application), each signal includes two adjacent columns of sub-pixels, and it is assumed that signals capable of performing charge sharing include, for example, a normally black lcd red R frame: signal N +1, signal N +2, signal N +3, signal N +4, signal N +5, and signal N +6 are, in order from left to right, a signal waveform diagram, a non-charge sharing power consumption diagram, and a charge sharing power consumption diagram, where R denotes red, Q denotes an amount of electric charge consumed, and + denotes that the signal is a positive polarity signal, -denotes that the signal is a negative polarity signal, as shown in fig. 4:
the signal N +1 is positive and includes two colors, red and green: a first high level, displaying red R; the second section is an intermediate level, and green is not displayed; in the following analogy, the high level displays red R, and the low level does not display green;
the signal N +2 is negative, and the display includes two colors of blue and red: the first section of middle level, blue is not displayed, and the second section of low level, red R is displayed; the process is analogized in the following, the middle level blue is not displayed, and the low level red R is displayed;
the signal N +3 is positive, the display comprises two colors of green and blue, the green and the blue do not need to be displayed because of a red picture, and the waveform is displayed as a straight line of the middle level;
the signal N +4 is negative polarity, the display comprises red and green, the first section of low level displays red R, the second section of middle level displays green; in the following analogy, the low level displays red R, and the middle level does not display green;
the signal N +5 is positive, the display comprises two colors of blue and red, the first section of middle level, blue is not displayed, and the second section of high level displays red R; the process is analogized in the following, the middle level blue is not displayed, and the high level red R is displayed;
the signal N +6 is negative, and neither of the green and blue is displayed, and the green and blue are not displayed because of the red screen, so that neither of the green and blue is required to be displayed, and the waveform is displayed as a straight line of the intermediate level.
Wherein N is an integer, and N is not less than 0.
Therefore, whether the variation amplitude of the signal N +1 exceeds a threshold value or not is respectively judged, whether the variation amplitude of the signal N +3 exceeds the threshold value or not is respectively judged, whether the variation amplitude of the signal N +5 exceeds the threshold value or not is respectively judged, whether the variation amplitudes of the three signals are greatly changed (such as 1/2 amplitude value or not) is detected, and if the variation amplitudes of the three signals are greatly changed, the signals with the large variation amplitudes are determined to participate in charge sharing (such as the signal N +1 and the signal N + 5); if not, it does not participate (e.g., signal N + 3).
It should be noted that if the signal N +1 does not participate in charge sharing, the signal level changes to consume the charge Q, and the signal N +5 also consumes the charge Q; if the signal N +1 and the signal N +5 participate in charge sharing, the signal N +1 and the signal N +5 are only required to be short-circuited together, the levels of the signal N +1 and the signal N +5 are pulled to the middle after being neutralized, and then the signals are pulled in the opposite directions after being disconnected from the short circuit, so that the circuit only needs to consume (1/2) Q, but the signal N +3 does not consume the charge, and therefore, the circuit only consumes (1/2) Q.
Similarly, for the signal N +2, the signal N +4 and the signal N +6, if the signal N +2 and the signal N +4 participate in charge sharing between the signals, the circuit only needs to consume (1/2) of Q.
Under the monochrome picture, the picture shown in FIG. 4 saves (2/3) Q- (1/2) Q, at least (1/6) Q, compared with the prior art.
An embodiment of the present invention further provides a charge sharing apparatus, as shown in fig. 5, the apparatus may include: an acquisition unit 501, a judgment unit 503, and a sharing unit 505.
An acquisition unit 501, configured to acquire a signal capable of charge sharing in a display screen;
a determination unit 503 configured to determine whether or not a variation width of the signal capable of charge sharing exceeds a threshold;
and a sharing unit 505 for performing charge sharing between signals for signals with a variation amplitude exceeding a threshold.
By adopting the embodiment of the invention, the signal which can carry out charge sharing in the display screen is obtained, and whether the charge sharing is carried out is judged according to the obtained signal which can carry out charge sharing; judging whether the variation amplitude of the signal capable of charge sharing exceeds a threshold value or not, and judging whether charge sharing between the signals is carried out or not by judging whether the variation amplitude exceeds the threshold value or not; and carrying out charge sharing among signals for the signals with the change amplitude exceeding the threshold value. In the embodiment of the invention, whether the charge sharing among the signals is carried out is determined based on whether the variation amplitude of the signals capable of carrying out the charge sharing exceeds the threshold value or not, so that the purpose of carrying out the charge sharing is achieved, the charge sharing efficiency is improved, the power consumption is saved, the working temperature of a chip is reduced, and the technical problem that the whole power consumption of a driving chip of a display screen in the prior art is large is solved.
The display screen can be a liquid crystal display screen or an LED display screen.
In an optional embodiment, the signal capable of charge sharing in the display screen (e.g., a liquid crystal display) may be acquired by a sensor, or may be acquired by an acquisition circuit or an acquisition device.
The above-described determination is made as to whether or not the change width of the signal capable of charge sharing exceeds the threshold, that is, whether or not the change width of the signal capable of charge sharing exceeds the threshold.
for example, the signals capable of charge sharing include a first signal S1, a second signal S2, and a third signal S3, where the amplitude of the first signal S1 is a1, the amplitude of change of the first signal S1 is △ a1, the amplitude of the second signal S2 is a2, the amplitude of change of the second signal is △ a2, the amplitude of change of the third signal S3 is A3, the amplitude of change of the third signal S3 is △ A3, and the threshold k is specifically implemented as follows:
in an alternative embodiment, whether the variation amplitude △ a1 of the first signal S1, the variation amplitude △ a2 of the second signal and the variation amplitude △ A3 of the third signal exceed the threshold value may be determined by finding the magnitude relationship between the amplitude a1 of the first signal S1, the amplitude a2 of the second signal S2 and the amplitude S3 of the third signal S3 and the threshold value K, respectively, that is, whether △ a1 > K is satisfied, whether △ a2 > K is satisfied, and whether △ A3 > K is satisfied.
in another alternative embodiment, it is determined whether or not the amplitudes a △ a of the first signal S △, a2 a of the second signal S2 and A3 a of the third signal S3 are weighted, respectively, and then whether or not the amplitudes Δ a △ a △ of the weighted first signal S △, Δ a2 a2 of the weighted second signal S2 and Δ A3 a of the third signal exceed a threshold value, when the amplitudes a △ of the first signal S △ are weighted as r △, the amplitudes a △ of the second signal S △ are weighted as r △, and the amplitudes a △ of the third signal S △ are weighted as r △, respectively, whether or not the amplitudes a △ a Δ a △ a > r △ a △ K is determined, and whether or not the amplitudes a △ a > r △ a is determined, respectively, and whether or not the amplitudes a △ a > r △ K is determined.
The method for determining whether the variation amplitudes of the first signal, the second signal and the third signal capable of charge sharing exceed the threshold includes, but is not limited to: and judging after direct judgment and weighting.
The above-mentioned determination of whether or not the variation width of the charge-sharable signal exceeds the threshold value means determination of whether or not the variation width of each of the charge-sharable signals exceeds the threshold value. The first signal in the above embodiments may be any one of the charge-sharing-capable signals, the second signal may be any other one of the charge-sharing-capable signals, and the third signal may be any other one of the charge-sharing-capable signals, that is, each of the charge-sharing-capable signals may be determined, and whether the magnitude of change of each of the charge-sharing-capable signals exceeds the threshold may be determined.
The threshold may be set in advance, may be a single value, may be a plurality of values, may be one threshold corresponding to every two signals capable of charge sharing between signals, or may be one and the same threshold corresponding to a plurality of signals capable of charge sharing between signals.
Specifically, when it is determined that the threshold is exceeded, charge sharing between signals is performed for a signal whose change width exceeds the threshold. Otherwise, if the signal does not exceed the threshold value, the charge sharing among the signals is not carried out on the signals of which the variation amplitude does not exceed the threshold value. For example, the signals whose variation amplitudes exceed the threshold include the first signal S1 and the second signal S2, so that the first signal S1 and the second signal S2 participate in charge sharing between the signals; the signal whose variation amplitude does not exceed the threshold includes the third signal S3, the third signal S3 does not participate in charge sharing between the signals.
That is, upon judging that the amplitude a1 of the first signal S1 has a variation amplitude exceeding the threshold K, it is determined that the first signal S1 participates in charge sharing between the signals; when the amplitude A2 of the second signal S2 is judged to exceed the threshold value K, the first signal S2 is determined to participate in charge sharing among the signals; upon judging that the amplitude A3 of the third signal S3 does not exceed the threshold K, it is determined that the third signal S3 does not participate in charge sharing between the signals.
for example, the signals capable of charge sharing between signals include a first signal S1, a second signal S2, and a third signal S3, where the weight of the amplitude a1 of the first signal S1 is r1, the weight of the amplitude a2 of the second signal S2 is r2, the weight of the amplitude A3 of the third signal S3 is r3, and when the amplitudes of the first signal and the second signal are weighted, it is determined whether r1 a △ a1 > K is established, it is determined whether r2 a △ a2 > K is established, and it is determined whether r3 a △ A3 > K is established.
when r1 × △ a1 > K is determined, the first signal S1 performs charge sharing between signals, and when r1 × △ a1 ≦ K, the first signal S1 does not participate in charge sharing between signals.
when r2 × △ a2 > K is judged, the second signal S2 performs charge sharing between signals, and when r2 × △ a2 ≦ K, the second signal S2 does not participate in charge sharing between signals.
when r3 × △ A3 > K is determined, the third signal S3 performs charge sharing between signals, and when r3 × △ A3 ≦ K, the second signal S3 does not participate in charge sharing between signals.
By adopting the embodiment of the invention, after the signals capable of carrying out charge sharing are obtained, the signals capable of carrying out charge sharing among the signals capable of carrying out charge sharing are judged, and the signals capable of carrying out charge sharing among the signals are determined, so that the purpose of carrying out charge sharing is achieved, the charge sharing efficiency is improved, the power consumption is saved, the working temperature of a chip is reduced, and the technical problem that the whole power consumption of a driving chip of a display screen in the prior art is large is solved.
According to the above embodiment of the present invention, the judging unit includes: and the first determining module is used for judging the column signals capable of charge sharing in the group by taking the m column signals as a group when the signals capable of charge sharing are the column signals, and determining the signals with the change amplitude exceeding a threshold value as the column signals participating in charge sharing among the signals.
Wherein m is an integer, and m is more than 1.
By adopting the embodiment, under the condition that the signal capable of performing charge sharing is the column signal, the column signal participating in charge sharing among the signals is determined based on whether the change amplitude of the signal capable of performing charge sharing among the signals exceeds the threshold value, so that the purpose of sharing the charge is achieved, the charge sharing efficiency is improved, and the power consumption is saved.
According to the above embodiment of the present invention, the judging unit includes: and the second determining module is used for judging whether the change amplitude of the signals exceeds a threshold value for all column signals with the same polarity to determine the column signals participating in charge sharing among the signals when the signals capable of charge sharing are the column signals.
By adopting the embodiment, under the condition that the signals capable of carrying out charge sharing are column signals, based on all the column signals with the same polarity, the change amplitude of each column signal of all the column signals with the same polarity is respectively judged to exceed the threshold value, and the signals with the same polarity are determined to be capable of carrying out charge sharing among the signals, so that the purpose of carrying out charge sharing is achieved, the charge sharing efficiency is improved, and the power consumption is saved.
According to the above embodiment of the present invention, the second determining module further includes: the second determining submodule is used for carrying out weighting processing on all column signals with the same polarity to obtain weighted column signals; and judging whether the change amplitude of the weighted column signal exceeds a threshold value.
By adopting the embodiment of the invention, the important signals are given a large weight and the unimportant signals are given a small weight by balancing the weights of different signals, whether all weighted column signals with the same polarity exceed the threshold value is judged, and the signals with the same polarity can be subjected to charge sharing, so that the precision of charge sharing is improved to a certain extent.
According to the above embodiment of the present invention, the judging unit includes: and the third determining module is used for judging whether the change amplitude of the signals exceeds a threshold value for partial column signals with the same polarity to determine the column signals participating in charge sharing among the signals when the signals capable of charge sharing are the column signals.
By adopting the embodiment, under the condition that the signals capable of carrying out charge sharing are column signals, the judgment is carried out based on partial signals in the signals with the same polarity, and the signals with the same polarity can be determined to carry out charge sharing among the signals, so that the purpose of carrying out charge sharing is achieved, the charge sharing efficiency is further improved, and the power consumption is saved.
According to the above embodiment of the present invention, the method further includes: the driving unit is used for detecting the difference between the H-1 th row and the H-th row of the column signal when the H-th row of the column signal is driven for each column signal, and driving after the charge is averaged if the difference exceeds a threshold value; if the threshold is not exceeded, the drive is performed directly.
Wherein H is more than 1 and H is an integer.
By adopting the embodiment of the invention, when the H-th row of the column signal is driven, the difference of the column signal between the H-1 th row and the H-th row is detected, if the difference exceeds the threshold value, the driving is carried out after the charge averaging, so that the better energy-saving effect is obtained, and the power consumption is saved.
According to the above embodiment of the present invention, the obtaining unit further includes: the acquisition module is used for acquiring and acquiring signals capable of carrying out charge sharing in the display screen through the sensor; or, a signal capable of charge sharing in the display screen is acquired through the circuit.
By adopting the embodiment of the invention, the flexibility of acquiring the signals capable of carrying out charge sharing in the display screen is improved through various acquisition modes.
According to an embodiment of the present invention, an embodiment of a storage medium is provided, where the storage medium includes a stored program, and where the apparatus on which the storage medium is located is controlled to execute the charge sharing method in any one of the above embodiments when the program runs.
According to an embodiment of the present invention, an embodiment of a processor for running a program is provided, where the program is run to perform the charge sharing method in any one of the above embodiments.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, a division of a unit may be a division of a logic function, and an actual implementation may have another division, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or may not be executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (12)
1. A method of charge sharing, comprising:
acquiring a signal capable of carrying out charge sharing in a display screen;
judging whether the change amplitude of the signal capable of charge sharing exceeds a threshold value;
and carrying out charge sharing among signals for the signals with the change amplitude exceeding the threshold value.
2. The method of claim 1, wherein determining whether the magnitude of the change in the charge-sharing capable signal exceeds a threshold value when the charge-sharing capable signal is a column signal comprises:
and taking m column signals as a group, judging column signals capable of charge sharing in the group, and determining the signals with the change amplitude exceeding a threshold value as the column signals participating in charge sharing among the signals.
3. The method of claim 1, wherein determining whether the magnitude of the change in the charge-sharing capable signal exceeds a threshold value when the charge-sharing capable signal is a column signal comprises:
for all column signals with the same polarity, whether the change amplitude of the signals exceeds a threshold value is judged to determine the column signals participating in charge sharing among the signals.
4. The method of claim 3, wherein determining whether the magnitude of the change in the signal exceeds the threshold comprises:
weighting all column signals with the same polarity to obtain weighted column signals;
and judging whether the change amplitude of the weighted column signal exceeds a threshold value.
5. The method of claim 1, wherein determining whether the magnitude of the change in the charge-sharing capable signal exceeds a threshold value when the charge-sharing capable signal is a column signal comprises:
and judging whether the change amplitude of the signals exceeds a threshold value or not for the partial column signals with the same polarity so as to determine the column signals participating in charge sharing among the signals.
6. The method of any one of claims 1 to 5, further comprising:
for each column signal, when the H-th row of the column signal is driven, detecting the difference of the column signal between the H-1 th row and the H-th row, and if the difference exceeds a threshold value, carrying out charge averaging and then driving; if the threshold is not exceeded, the drive is performed directly.
7. The method of any of claims 1 to 5, wherein acquiring the charge sharing capable signal in the display screen further comprises:
acquiring and acquiring a signal capable of carrying out charge sharing in a display screen through a sensor; or,
and acquiring a signal capable of charge sharing in the display screen through the circuit.
8. A charge sharing device, comprising:
the acquisition unit is used for acquiring signals capable of carrying out charge sharing in the display screen;
a judging unit configured to judge whether or not a variation width of the charge-share capable signal exceeds a threshold;
and the sharing unit is used for carrying out charge sharing among signals for the signals with the variation amplitude exceeding the threshold value.
9. The apparatus according to claim 8, wherein the judging unit includes:
and a first determining module, configured to, when the signal capable of charge sharing is a column signal, determine, using m columns of signals as a group, the column signals capable of charge sharing within the group, and determine, as the column signal participating in charge sharing between the signals, a signal whose variation amplitude exceeds a threshold.
10. The apparatus according to claim 8, wherein the judging unit includes:
and the second determining module is used for judging whether the change amplitude of the signals exceeds a threshold value for all column signals with the same polarity to determine the column signals participating in charge sharing among the signals when the signals capable of charge sharing are the column signals.
11. A storage medium, characterized in that the storage medium includes a stored program, wherein when the program is run, a device in which the storage medium is located is controlled to execute the charge sharing method according to any one of claims 1 to 7.
12. A processor configured to run a program, wherein the program is configured to perform the charge sharing method of any one of claims 1 to 7 when the program is run.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610578959.2A CN106205529B (en) | 2016-07-20 | 2016-07-20 | Electric charge sharing method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610578959.2A CN106205529B (en) | 2016-07-20 | 2016-07-20 | Electric charge sharing method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106205529A CN106205529A (en) | 2016-12-07 |
| CN106205529B true CN106205529B (en) | 2018-10-30 |
Family
ID=57492051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610578959.2A Active CN106205529B (en) | 2016-07-20 | 2016-07-20 | Electric charge sharing method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106205529B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108198538B (en) * | 2018-01-05 | 2021-01-26 | 京东方科技集团股份有限公司 | Display device, driving method thereof, driving device and display substrate |
| CN109410821B (en) * | 2018-12-19 | 2022-02-18 | 合肥奕斯伟集成电路有限公司 | Display device and automatic charge sharing judgment method thereof |
| CN112669781B (en) * | 2020-12-14 | 2022-04-12 | 北京奕斯伟计算技术有限公司 | Display processing method, display processing device and display panel |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101201127B1 (en) * | 2005-06-28 | 2012-11-13 | 엘지디스플레이 주식회사 | Liquid Crystal Display and Driving Method thereof |
| CN100514404C (en) * | 2006-03-13 | 2009-07-15 | 中华映管股份有限公司 | Electric charge sharing apparatus for display panel |
| JP5363895B2 (en) * | 2009-07-23 | 2013-12-11 | ルネサスエレクトロニクス株式会社 | Signal line driving circuit and liquid crystal display device |
| CN202650503U (en) * | 2012-07-23 | 2013-01-02 | 京东方科技集团股份有限公司 | Pixel drive circuit and display device |
| KR102009647B1 (en) * | 2012-09-13 | 2019-10-21 | 엘지디스플레이 주식회사 | Liquid Crystal Display Device and Driving Method For The Same |
| CN105099444B (en) * | 2014-04-29 | 2018-05-25 | 龙芯中科技术有限公司 | Loop circuit filtering method, loop filter and phaselocked loop |
-
2016
- 2016-07-20 CN CN201610578959.2A patent/CN106205529B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106205529A (en) | 2016-12-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102184700B (en) | Source electrode driving circuit, display and operation method thereof | |
| US9105247B2 (en) | Display device, display device driving method and source driving circuit | |
| US10522100B2 (en) | Method of driving a display panel and display apparatus performing the same | |
| US20110164006A1 (en) | Display drive circuit | |
| US20060227628A1 (en) | Display driver and display driving method | |
| US20120249493A1 (en) | Gate driver of dual-gate display and frame control method thereof | |
| JP2006343563A (en) | Liquid crystal display device | |
| CN106205529B (en) | Electric charge sharing method and device | |
| US9812054B2 (en) | Display driver and display apparatus using sub-pixel rendering method | |
| JP2011059501A (en) | Signal line drive circuit for display device, display device, and signal line drive method | |
| US20110102404A1 (en) | Low Power Driving Method for a Display Panel and Driving Circuit Therefor | |
| JP2010072618A (en) | Display device and method for driving the same | |
| US20120050245A1 (en) | Charge sharing system and method of lcos display | |
| US8508453B2 (en) | Display panel driving apparatus | |
| CN111128083A (en) | Electronic paper display device | |
| US9805669B2 (en) | Display panel drive device and display panel drive method | |
| CN113421519B (en) | Driving circuit, driving method, display device, and computer-readable storage medium | |
| TWI483239B (en) | Method of dynamic charge sharing for a display device | |
| KR20150050202A (en) | Gate driver, display apparatus having the same and method of driving display panel using the same | |
| US9460672B2 (en) | Method for driving a liquid crystal display panel and liquid crystal display | |
| KR102542853B1 (en) | Led display module, display apparatus and controlling method thereof | |
| US20180268770A1 (en) | Liquid crystal display device and method of driving the same | |
| CN109427304B (en) | Processor for setting frame rate and frame rate setting method | |
| CN106033659B (en) | Display driver and display device | |
| US20150015472A1 (en) | Display panel driving apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |