CN103632628B - The method presenting the data channel error rate of display - Google Patents
The method presenting the data channel error rate of display Download PDFInfo
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- CN103632628B CN103632628B CN201210300696.0A CN201210300696A CN103632628B CN 103632628 B CN103632628 B CN 103632628B CN 201210300696 A CN201210300696 A CN 201210300696A CN 103632628 B CN103632628 B CN 103632628B
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Abstract
The present invention provides a kind of method of data channel error rate presenting display.The method repeatedly by the timing controller of display will be had the test signal of specific format and be sent to respectively through the first data channel of display and the second data channel the first source electrode driver and second source electrode driver of display.During testing, accumulative first source electrode driver and the second source electrode driver judge that received test signal does not have first number of above-mentioned specific format and second number respectively.The display according to the first area of panel of first number and second time numerical control display and second area respectively of first source electrode driver and the second source electrode driver.Whereby, the panel of display presents the error rate of data channel in the way of being easily recognized.
Description
Technical field
A kind of method that the invention relates to data channel error rate presenting display, and in particular to a kind of method of data channel error rate presenting display in the way of being easily recognized.
Background technology
In recent years, display floater technology has tended to the ripe stage, but along with consumer demand, the size of display floater is done bigger and bigger, and resolution does higher and higher.But, when the resolution of display floater increases with size, by more and more higher for the operation frequency causing panel itself.Traditional display floater internal transmission system, owing to needing multiple data channels, would become hard to allow each data channel have close electrical under the environment of high frequency.Therefore, source electrode driver is not easy this makes effective correction mechanism, and the error rate (errorrate) of data channel is also therefore, it is difficult to reduce.System of the more important thing is needs extra one-tenth originally to process this problem especially, and therefore the competitiveness of product also cannot promote.
Summary of the invention
The present invention provides a kind of method of data channel error rate presenting display, multiple source electrode drivers of its test signal to display by transmitting tool specific format, and make source electrode driver be able to according to received test signal, judge the error rate of multiple data channels of display, and the panel controlling display shows the error rate of data channel in the way of being easily recognized.
The present invention provides a kind of method of data channel error rate presenting display.The method includes the first source electrode driver and the second source electrode driver that the test signal first data channel by display and the second data channel with specific format are repeatedly sent to display by the timing controller of display.The method also includes the first source electrode driver and the second source electrode driver tests signal from the first data channel and the second data channel reception respectively, and judges whether received test signal has above-mentioned specific format.The method be additionally included in test during in accumulative first source electrode driver and the second source electrode driver judge that received test signal does not have first number of above-mentioned specific format and second number respectively.The method separately includes the display according to the first area of the panel of first time numerical control display of first source electrode driver.The method also includes the display according to the second area of second time number control panel of second source electrode driver.
In one embodiment of this invention, above-mentioned first area includes the first subregion and the second subregion, and second area includes the 3rd subregion and the 4th subregion.First source electrode driver size according to first time numerical control system the first subregion, and the size that the second source electrode driver is according to second time numerical control system the 3rd subregion.
In one embodiment of this invention, the first above-mentioned subregion and the area ratio of the 3rd subregion are equal to ratio to second number of first number.
In one embodiment of this invention, the first above-mentioned source electrode driver controls the first subregion and the second subregion shows with different grey decision-making, and the second source electrode driver controls the 3rd subregion and the 4th subregion shows with different grey decision-making.
In one embodiment of this invention, the first above-mentioned source electrode driver controls the first subregion and shows with progressive grey decision-making, and the second source electrode driver controls the 3rd subregion and shows with progressive grey decision-making.
In one embodiment of this invention, above-mentioned panel includes multiple pixel and a plurality of data lines.First source electrode driver and the second source electrode driver are coupled to above-mentioned pixel by above-mentioned data wire.First source electrode driver controls the display of the first subregion according to first number during first shows, second source electrode driver controls the display of the 3rd subregion according to second number during second shows, and the ratio during showing second during the first display is equal to ratio to second number of first number.
In one embodiment of this invention, above-mentioned panel includes multiple pixel and a plurality of data lines.First source electrode driver according to the data wire of first time numerical control system the first number to control the display of the first subregion, second source electrode driver according to the data wire of second time numerical control system the second number to control the display of the 3rd subregion, and the first number to the ratio of the second number equal to ratio to second number of first number.
In one embodiment of this invention, the first above-mentioned source electrode driver color according to first time numerical control first area, and the color that the second source electrode driver is according to second time numerical control second area.
In one embodiment of this invention, the first above-mentioned source electrode driver controls the first subregion and shows with progressive color range value, and the second source electrode driver controls the 3rd subregion and shows with progressive color range value.
Based on above-mentioned, multiple source electrode drivers of present invention test signal to display by transmitting the specific specific format of tool, and make source electrode driver be able to according to received test signal, judge the error rate of multiple data channels of display, and the panel controlling display shows the error rate of data channel in the way of being easily recognized.
For the features described above of the present invention and advantage can be become apparent, special embodiment below, and coordinate accompanying drawing to illustrate to be described in detail below.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the display of one embodiment of the invention；
Fig. 2 is the sequential chart testing signal in Fig. 1；
Fig. 3 is the flow chart that Fig. 1 display method according to an embodiment of the invention presents the error rate of data channel；
Fig. 4 is the flow chart that Fig. 1 display method according to another embodiment of the present invention presents the error rate of data channel；
Fig. 5 is the schematic diagram of the panel of one embodiment of the invention；
Fig. 6 is in order to illustrate to present in one embodiment of the invention the schematic diagram of the data channel error rate of display；
Fig. 7 is the sequential chart of the first source electrode driver and the second source electrode driver in one embodiment of the invention；
Fig. 8 is in order to illustrate to present in one embodiment of the invention the schematic diagram of the data channel error rate of display；
Fig. 9 is the sequential chart of the first source electrode driver corresponding to Fig. 8 embodiment and the second source electrode driver；
Figure 10 is in order to illustrate to present in one embodiment of the invention the schematic diagram of the data channel error rate of display；
Figure 11 is in order to illustrate to present in another embodiment of the present invention the schematic diagram of the data channel error rate of display；
Figure 12 is in order to illustrate to present in yet another embodiment of the invention the schematic diagram of the data channel error rate of display；
Figure 13 is in order to illustrate to present in another embodiment of the present invention the schematic diagram of the data channel error rate of display；
Figure 14 is in order to illustrate to present in one embodiment of the invention the schematic diagram of the data channel error rate of the display with multiple source electrode driver.
Description of reference numerals:
50: pixel；
100,1400: display；
110: timing controller；
120 (1): the first data channels；
120 (2): the second data channels；
120 (n): data channel；
130 (1): the first source electrode drivers；
130 (2): the second source electrode drivers；
130 (n): source electrode driver；
140: panel；
150 (1): first area；
150 (2): second area；
150 (n): region；
152 (1)～152 (3), 152 (a)～152 (j): display row；
160 (1), 170 (1): the first subregions；
160 (2), 170 (2): the second subregions；
160 (3), 170 (3): the three subregions；
160 (4), 170 (4): the four subregions；
172 (1)～172 (4), 172 (a)～172 (j): display line；
D0～D3: data wire；
G0～G2: scanning line；
Q: transistor；
T0、T1: time point；
TA: during the first display；
TB: during the second display；
TC: during the 3rd display；
TD: during the 4th display；
TF: the picture frame cycle；
TS: during test；
ST: test signal；
S312～S324: process step.
Detailed description of the invention
Refer to the schematic diagram of the display that Fig. 1, Fig. 1 are one embodiment of the invention.In this example it is shown that device 100 is liquid crystal display, but the present invention is not limited thereto.Present invention can be suitably applied to any employing timing controller (TimingController；TCON) control source electrode driver and drive any types of display of display.Display 100 has timing controller, and (TimingController is called for short: TCON) 110, first source electrode driver the 130 (1), second source electrode driver 130 (2) and panel 140.For convenience of description, in this embodiment, only enumerate two source electrode drivers and illustrate, but not so limited system, the present embodiment is applicable to the display with the source electrode driver of varying number.Timing controller 110 is in order to produce test signal STAnd produce the clock signal in order to control display 100 operation and data signal.Timing controller 110 is respectively coupled to the first source electrode driver 130 (1) and the second source electrode driver 130 (2) by the first data channel 120 (1) and the second data channel 120 (2).
First data channel 120 (1) and the second data channel 120 (2) can pass through transistor-transistor logic (Transistor-TransistorLogic；TTL) circuit such as circuit, Differential Input/output circuit is reached.Additionally, signal transmission form can include the modes such as the mode of point-to-point (PointtoPoint), the mode of Mulit-point Connection (Multi-Drop), clock embedded (ClockEmbedded) between timing controller 110 and first source electrode driver the 130 (1), second source electrode driver 130 (2).
In an embodiment of the present invention, timing controller 110 is produced to control the clock signal of display 100 operation and data signal is sent to the first source electrode driver 130 (1) and the second source electrode driver 130 (2) respectively through different transmission interfaces, first data channel 120 (1) and the second data channel 120 (2) are then respectively coupled to the above-mentioned different transmission interfaces in order to transmit clock signal produced by timing controller 110 and data signal, it is respectively transmitted to the first source electrode driver 130 (1) and the second source electrode driver 130 (2) with clock signal and data signal produced by timing controller 110.In an alternative embodiment of the invention, timing controller 110 is produced to control the clock signal of display 100 operation and is then contained in data signal produced by timing controller 110.Multiple embodiments one of them, first source electrode driver 130 (1) and the second source electrode driver 130 (2) can include clock-data recovery (ClockandDataRecovery, it is called for short: CDR) circuit, to process from the signal of timing controller 110, seasonal pulse required during to produce for driving panel 140 and data.
Additionally, timing controller 110 repeatedly can will test signal STIt is sent to the first source electrode driver 130 (1) and the second source electrode driver 130 (2) by the first data channel 120 (1) and the second data channel 120 (2).Test signal STHaving specific format, the first source electrode driver 130 (1) and the second source electrode driver 130 (2) then can judge received test signal STWhether there is above-mentioned specific format.It is said that in general, at test signal STBe sent to the first data channel 120 (1) and the second data channel 120 (2) if process in do not make a mistake, then the test signal S received by the first source electrode driver 130 (1) and the second source electrode driver 130 (2)TCapital has above-mentioned specific format.But, make the first data channel 120 (1) and the second data channel 120 (2) long due to the oversize of panel, test signal STTransmission process understood weak or be disturbed, and making the test signal S received by the first source electrode driver 130 (1) and the second source electrode driver 130 (2)TNot necessarily there is above-mentioned specific format.Therefore, by repeatedly having the test signal S of specific formatTIt is sent to the first source electrode driver 130 (1) and the second source electrode driver 130 (2), and makes the first source electrode driver 130 (1) and the second source electrode driver 130 (2) judge received test signal S respectivelyTWhether there is above-mentioned specific format, the error rate of the first data channel 120 (1) and the second data channel 120 (2) can be calculated respectively.It addition, in an embodiment of the present invention, the test signal S of above-mentioned specific format is metTFor the key that series of bits forms.Additionally, in an embodiment of the present invention, the test signal S of above-mentioned specific format is metTThere is specific waveform.
Refer to Fig. 2 and referring concurrently to Fig. 1.Fig. 2 is the sequential chart testing signal in Fig. 1.Test signal STThere is specific format, in an embodiment of the present invention, meet the test signal S of above-mentioned specific formatTFor the key that series of bits forms.In an alternative embodiment of the invention, the test signal S of above-mentioned specific format is metTThere is specific waveform.Such as, in one embodiment, STSequential S between time point T0～time point T1T(1)ST(2)ST(3)ST(4)…ST(N)It is specific coding, it is possible to ST(1)=ST(2)=ST(3)=ST(4)…=ST(N), it is also possible to ST(1)≠ST(2)≠ST(3)≠ST(4)…≠ST(N)。
Testing period TSIn, timing controller 110 repeatedly will test signal STIt is sent to the first source electrode driver 130 (1) and the second source electrode driver 130 (2) by the first data channel 120 (1) and the second data channel 120 (2).Wherein, test period TSBy time point T0Start, and in time point T1Terminate.In an embodiment of the present invention, timing controller 110 is testing period TSPeriodically transmit test signal STTo the first source electrode driver 130 (1) and the second source electrode driver 130 (2).In an alternative embodiment of the invention, timing controller 110 is testing period TSInside aperiodically transmit test signal STTo the first source electrode driver 130 (1) and the second source electrode driver 130 (2).In other words, timing controller 110 is double transmits test signal STBetween time layout can be fixing can also be revocable.
T in during testingS, the first source electrode driver 130 (1) and the second source electrode driver 130 (2) be the accumulative test signal S being judged to receive itself respectivelyTDo not have first number of above-mentioned specific format and second number.For convenience of description, it is assumed that first time above-mentioned number is equal to N1, and second number is equal to N2.First source electrode driver 130 (1) can according to the display of the first area 150 (1) of first time above-mentioned number N1 control panel 140, the then display according to the second area 150 (2) of second time above-mentioned number N2 control panel 140 of the second source electrode driver 130 (2).For example, in an embodiment of the present invention, first source electrode driver 130 (1) controls first area 150 (1) according to first time above-mentioned number N1 and shows above-mentioned first time number N1 with the form of Arabic symbol, and the second source electrode driver 130 (2) controls second area 150 (2) according to second time above-mentioned number N2 and shows above-mentioned second time number N2 with the form of Arabic symbol.Again for example, in an embodiment of the present invention, first source electrode driver 130 (1) controls the color shown by first area 150 (1) according to first number N1, and the second source electrode driver 130 (2) controls the color shown by second area 150 (2) according to second number N2.
In an embodiment of the present invention, the first source electrode driver 130 (1) and the second source electrode driver 130 (2) degree of error rate corresponding to the first data channel 120 (1) and the second data channel 120 (2) respectively can set the color shown by first area 150 (1) and second area 150 (2).For example, when first number N1 or second number N2 is less than the first preset critical, its first corresponding source electrode driver the first source electrode driver 130 (1) or the second source electrode driver 130 (2) namely drive corresponding first area 150 (1) or second area 150 (2) display green.When first number N1 or second number N2 is between the first preset critical and the second preset critical, its first corresponding source electrode driver 130 (1) or the second source electrode driver 130 (2) namely drive corresponding first area 150 (1) or second area 150 (2) to show yellow.Wherein, the second preset critical is more than the first preset critical.When first number N1 or second number N2 is more than the second preset critical, its first corresponding source electrode driver 130 (1) or the second source electrode driver 130 (2) namely drive corresponding first area 150 (1) or second area 150 (2) display redness.Whereby, the tester of display 100 color according to first area 150 (1) and second area 150 (2) can judge the error rate corresponding to the first data channel 120 (1) and the second data channel 120 (2) roughly.Have to be understood that ground, the error rate of the first data channel 120 (1) and first number N1 positive correlation, and the error rate of the second data channel 120 (2) and second number N2 positive correlation.Therefore, first time number N1 can be used to represent the error rate of the first data channel 120 (1), and second number N2 can be used to represent the error rate of the second data channel 120 (2).
Refer to Fig. 3 and referring concurrently to Fig. 1.Fig. 3 is the flow chart that Fig. 1 display method according to an embodiment of the invention presents the error rate of data channel.In step S312, first number N1 can be made zero by the first source electrode driver 130 (1), and second number N2 can be made zero by the second source electrode driver 130 (2).In step S314, timing controller 110 will test signal STIt is sent to the first source electrode driver 130 (1) and the second source electrode driver 130 (2) by the first data channel 120 (1) and the second data channel 120 (2).Afterwards, in step S316 and S318, the first source electrode driver 130 (1) and the second source electrode driver 130 (2) judge received test signal S respectivelyTWhether there is above-mentioned form.When the first source electrode driver 130 (1) judges received test signal STWhen not having above-mentioned form, then perform step S320, and make first number N1 cumulative.Similarly, when the second source electrode driver 130 (2) judges received test signal STWhen not having above-mentioned form, then perform step S322, and make second number N2 cumulative.In step S324, timing controller 110 judges whether to terminate test, that is judges above-mentioned test period TSMake no to terminate.If test not yet terminates, then repeat step S314.Otherwise, then step S326 and step S328 is carried out.In step S326, the display according to first number N1 control first area 150 (1) of first source electrode driver 130 (1).In step S328, the display according to second number N2 control second area 150 (2) of second source electrode driver 130 (2).
Refer to Fig. 4 and referring concurrently to Fig. 1 and Fig. 3.Fig. 4 is the flow chart that Fig. 1 display method according to another embodiment of the present invention presents the error rate of data channel.Main Differences between flow process and the flow process of Fig. 3 of Fig. 4 is in that the sequencing that step S324, S326 and S328 are performed, and all the other are then identical and repeat no more.In the flow process of Fig. 4, after step S316 or S320 terminates, step S326 can be performed, and makes the first source electrode driver 130 (1) control the display of first area 150 (1) in time according to first number N1.Similarly, after step S318 or S322 terminates, step S328 can be performed, and makes the second source electrode driver 130 (2) control the display of second area 150 (2) in time according to second number N2.After step S326 or S328 execution terminates, then perform step S324.
For the method that can be illustrated more clearly that in other embodiments of the invention in order to present the data channel error rate of display, the type of drive of panel 140 is first described roughly at this.Refer to Fig. 5 and referring concurrently to Fig. 1.Fig. 5 is the schematic diagram of the panel of one embodiment of the invention.Panel 140 has multiple pixel 50, a plurality of data lines (such as D0～D3), multi-strip scanning line is (such as G0～G2) and multiple transistor Q.Each pixel 50 is coupled to one end of transistor Q, and data wire is (such as D0～D3) it being coupled to the other end of transistor Q, the grid of transistor Q is then coupled to scanning line (such as G0～G2).In the present embodiment, panel 140 is a display panels, and source electrode driver and the gate drivers in display drives panel 140 respectively through transmission data voltage and scanning voltage.Additionally, the first source electrode driver 130 (1) and the second source electrode driver 130 (2) by the data wire of panel 140 (such as D0～D3) it is coupled to pixel 50, with by data wire transmission data voltage to pixel 50.
Refer to Fig. 6, Fig. 6 in order to illustrate one embodiment of the invention presents the schematic diagram of the data channel error rate of display.In the present embodiment, the display according to first number N1 control first area 150 (1) of first source electrode driver 130 (1), and the display that the second source electrode driver 130 (2) is according to second number N2 control second area 150 (2).Wherein, first area 150 (1) includes the first subregion 160 (1) and the second subregion 160 (2), and second area 150 (2) includes the 3rd subregion 160 (3) and the 4th subregion 160 (4).First source electrode driver 130 (1) controls the size of the first subregion 160 (1) according to first number N1, and the second source electrode driver 130 (2) controls the size of the 3rd subregion 160 (3) according to second number N2.When first number N1 is more big, represent that the error rate of the first data channel 120 (1) is more high, therefore the first subregion 160 (1) can be more big, and the second subregion 160 (2) can be more little.Similarly, when second number N2 is more big, represent that the error rate of the second data channel 120 (2) is more high, therefore the 3rd subregion 160 (3) can be more big, and the 4th subregion 160 (4) can be more little.Therefore, the error rate of the first data channel 120 (1) and the second data channel 120 (2) can according to the size of the first subregion 160 (1) and the 3rd subregion 160 (3), be judged.
In an embodiment of the present invention, the first subregion 160 (1) and the 3rd subregion 160 (3) are respectively provided with its number and first number N1 or second display consistent for number N2 row (such as display row 152 (1)～152 (3) and display row 152 (a)～152 (j)).In other words, the number of the display row that the first subregion 160 (1) has can be equal to first number N1, and the number of the display row that the 3rd subregion 160 (3) has can be equal to second number N2.For Fig. 6, first number N1 is equal to three, and second number N2 is equal to ten.Therefore, the area ratio of the first subregion 160 (1) and the 3rd subregion 160 (3) is equal to first number N1 ratio to second number N2.Additionally, the vertical resolution of above-mentioned each display row can be one or more pixel.In other words, all pixels in each display row are controlled by one or more scanning line.
In one embodiment of this invention, first source electrode driver 130 (1) controls the first subregion 160 (1) and the second subregion 160 (2) shows with different grey decision-making, and the second source electrode driver 130 (2) controls the 3rd subregion 160 (3) and the 4th subregion 160 (4) shows with different grey decision-making.In other words, the first subregion 160 (1) shows with the first grey decision-making, and the second subregion 160 (2) shows with the second grey decision-making, and the first grey decision-making is not equal to the second grey decision-making.3rd subregion 160 (3) shows with the 3rd grey decision-making, and the 4th subregion 160 (4) shows with the 4th grey decision-making, and the 3rd grey decision-making is not equal to the 4th grey decision-making.
In one embodiment of this invention, the first above-mentioned source electrode driver 130 (1) controls the first subregion 160 (1) and shows with progressive grey decision-making, and the second source electrode driver 130 (2) controls the 3rd subregion 160 (3) and shows with progressive grey decision-making.For example, assume grey decision-making respectively G1, G2 and the G3 of display row 152 (1)～152 (3) in the first subregion 160 (1), and the grey decision-making respectively Ga of display row 152 (a)～152 (j) in the 3rd subregion 160 (3), Gb, Gc, Gd, Ge, Gf, Gg, Gh, Gi and Gj, then G1 < G2 < G3 or G1 > G2 > G3.Additionally, Ga < Gb < Gc < Gd < Ge < Gf < Gg < Gh < Gi < Gj or Ga > Gb > Gc > Gd > Ge > Gf > Gg > Gh > Gi > Gj.In an embodiment of the present invention, grey decision-making G1 can be equal to grey decision-making Ga, grey decision-making G3 can be equal to grey decision-making Gj, and the grey decision-making shown by the second subregion 160 (2) can be G3, and the grey decision-making shown by the 4th subregion 160 (4) can be Gj.
In one embodiment of this invention, first source electrode driver 130 (1) controls the color shown by first area 150 (1) according to first number N1, and the second source electrode driver 130 (2) controls the color shown by second area 150 (2) according to second number N2.Wherein, first source electrode driver 130 (1) controls the first subregion 160 (1) and shows with progressive color range value, and the second source electrode driver 130 (2) controls the 3rd subregion 160 (3) and shows with progressive color range value.For example, assume color range value respectively C1, C2 and the C3 of display row 152 (1)～152 (3) in the first subregion 160 (1), and the color range value respectively Ca of display row 152 (a)～152 (j) in the 3rd subregion 160 (3), Cb, Cc, Cd, Ce, Cf, Cg, Ch, Ci and Cj, then C1 < C2 < C3 or C1 > C2 > C3.Additionally, Ca < Cb < Cc < Cd < Ce < Cf < Cg < Ch < Ci < Cj or Ca > Cb > Cc > Cd > Ce > Cf > Cg > Ch > Ci > Cj.In an embodiment of the present invention, the color range value shown by the second subregion 160 (2) can be G3, and the color range value shown by the 4th subregion 160 (4) can be Gj.
In one embodiment of this invention, first source electrode driver 130 (1) controls the display of the first subregion 160 (1) according to first number N1 during first shows, second source electrode driver 130 (2) controls the display of the 3rd subregion 160 (3) according to second number N2 during second shows, the ratio during showing second during the first wherein above-mentioned display is equal to first number N1 ratio to second number N2.Refer to Fig. 7, Fig. 7 is the sequential chart of the first source electrode driver and the second source electrode driver in one embodiment of the invention.Each picture frame cycle TF, the first source electrode driver 130 (1) and the second source electrode driver 130 (2) can by the frame updating shown by panel 140 once.First source electrode driver 130 (1) shows period T according to first number N1 firstAControl the display of the first subregion 160 (1), and the second source electrode driver 130 (2) shows period T according to second number N2 secondBControl the display of the 3rd subregion 160 (3), wherein the first display period TAPeriod T is shown to secondBRatio equal to first number N1 ratio to second number N2.When the scan period is fixing, because first shows period TAPeriod T is shown to secondBRatio equal to first number N1 ratio to second number N2, therefore the area ratio of the first subregion 160 (1) and the 3rd subregion 160 (3) can equal to first number N1 ratio to second number N2.Additionally, the first source electrode driver 130 (1) shows period T the 3rdCControl the display of the second subregion 160 (2), and the second source electrode driver 130 (2) shows period T the 4thDControl the display of the 4th subregion 160 (4).
In the embodiment of Fig. 6 and Fig. 7, in each picture frame cycle TFIn, first source electrode driver 130 (1) first drives the first subregion 160 (1) to drive the second subregion 160 (2) again, and the second source electrode driver 130 (2) first drives the 3rd subregion 160 (3) to drive the 4th subregion 160 (4) again.But, the present invention is not limited thereto.Such as, in an embodiment of the present invention, first source electrode driver 130 (1) first drives the second subregion 160 (2) to drive the first subregion 160 (1) again, and the second source electrode driver 130 (2) first drives the 4th subregion 160 (4) to drive the 3rd subregion 160 (3) again.Refer to Fig. 8 and Fig. 9.Fig. 8 is in order to illustrate to present in one embodiment of the invention the schematic diagram of the data channel error rate of display, and Fig. 9 is the sequential chart of the first source electrode driver corresponding to Fig. 8 embodiment and the second source electrode driver.Wherein, in each picture frame cycle TFIn, the first display period TASequential falls behind the 3rd display period TC, and the second display period TBSequential falls behind the 4th display period TD.Additionally, in each picture frame cycle TFIn, the first source electrode driver 130 (1) shows period T prior to the 3rdCThe second subregion 160 (2) is driven to show period T then at firstADrive the first subregion 160 (1), and the second source electrode driver 130 (2) shows period T prior to the 4thDThe 4th subregion 160 (4) is driven to show period T then at secondBDrive the 3rd subregion 160 (3).
Refer to Figure 10, Figure 10 in order to illustrate one embodiment of the invention presents the schematic diagram of the data channel error rate of display.In the present embodiment, the display according to first number N1 control first area 150 (1) of first source electrode driver 130 (1), and the display that the second source electrode driver 130 (2) is according to second number N2 control second area 150 (2).First area 150 (1) includes the first subregion 170 (1) and the second subregion 170 (2), and the second subregion 170 (2) includes the 3rd subregion 170 (3) and the 4th subregion 170 (4).First subregion 170 (1) and the 3rd subregion 170 (3) are respectively provided with its number and first number N1 or second display line consistent for number N2 (such as display line 172 (1)～172 (4) and display line 172 (a)～172 (j)).In other words, the number of the display line that the first subregion 170 (1) has can be equal to first number N1, and the number of the display line that the 3rd subregion 170 (3) has can be equal to second number N2.For Figure 10, first number N1 is equal to four, and second number N2 is equal to ten.Therefore, the area ratio of the first subregion 170 (1) and the 3rd subregion 170 (3) is equal to first number N1 ratio to second number N2.Additionally, the horizontal resolution of above-mentioned each display line can be one or more pixel.In other words, all pixels in each display line are controlled by one or more data wire.
In one embodiment of this invention, the first source electrode driver 130 (1) controls data wire (the data wire D in Fig. 5 of the first number according to first number N10～D3) to control the display of the first subregion 170 (1), second source electrode driver 130 (2) controls the data wire of the second number to control the display of the 3rd subregion 170 (3) according to second number N2, and the first above-mentioned number to the ratio of the second number equal to first number N1 ratio to second number N2.
In one embodiment of this invention, first source electrode driver 130 (1) controls the first subregion 170 (1) and the second subregion 170 (2) shows with different grey decision-making, and the second source electrode driver 130 (2) controls the 3rd subregion 170 (3) and the 4th subregion 170 (4) shows with different grey decision-making.In other words, the first subregion 170 (1) shows with the first grey decision-making, and the second subregion 170 (2) shows with the second grey decision-making, and the first grey decision-making is not equal to the second grey decision-making.3rd subregion 170 (3) shows with the 3rd grey decision-making, and the 4th subregion 170 (4) shows with the 4th grey decision-making, and the 3rd grey decision-making is not equal to the 4th grey decision-making.
In one embodiment of this invention, the first above-mentioned source electrode driver 130 (1) controls the first subregion 170 (1) and shows with progressive grey decision-making, and the second source electrode driver 130 (2) controls the 3rd subregion 170 (3) and shows with progressive grey decision-making.For example, assume the grey decision-making respectively G1 of display line 172 (1)～172 (4) in the first subregion 170 (1), G2, G3 and G4, and the grey decision-making respectively Ga of display line 172 (a)～172 (j) in the 3rd subregion 170 (3), Gb, Gc, Gd, Ge, Gf, Gg, Gh, Gi and Gj, then G1 < G2 < G3 < G4 or G1 > G2 > G3 > G4.Additionally, Ga < Gb < Gc < Gd < Ge < Gf < Gg < Gh < Gi < Gj or Ga > Gb > Gc > Gd > Ge > Gf > Gg > Gh > Gi > Gj.In an embodiment of the present invention, grey decision-making G1 can be equal to grey decision-making Ga, grey decision-making G3 can be equal to grey decision-making Gj, and the grey decision-making shown by the second subregion 160 (2) can be G3, and the grey decision-making shown by the 4th subregion 160 (4) can be Gj.
In one embodiment of this invention, first source electrode driver 130 (1) controls the color shown by first area 150 (1) according to first number N1, and the second source electrode driver 130 (2) controls the color shown by second area 150 (2) according to second number N2.Wherein, first source electrode driver 130 (1) controls the first subregion 170 (1) and shows with progressive color range value, and the second source electrode driver 130 (2) controls the 3rd subregion 170 (3) and shows with progressive color range value.For example, assume the color range value respectively C1 of display line 172 (1)～172 (4) in the first subregion 170 (1), C2, C3 and C4, and the color range value respectively Ca of display line 172 (a)～172 (j) in the 3rd subregion 170 (3), Cb, Cc, Cd, Ce, Cf, Cg, Ch, Ci and Cj, then C1 < C2 < C3 < C4 or C1 > C2 > C3 > C4.Additionally, Ca < Cb < Cc < Cd < Ce < Cf < Cg < Ch < Ci < Cj or Ca > Cb > Cc > Cd > Ce > Cf > Cg > Ch > Ci > Cj.In an embodiment of the present invention, the color range value shown by the second subregion 160 (2) can be C3, and the color range value shown by the 4th subregion 160 (4) can be Cj.
In the embodiment in figure 10, the first subregion 170 (1) is positioned at the left side of the second subregion 170 (2), and the 3rd subregion 170 (3) is positioned at the left side of the 4th subregion 170 (4).But, the present invention is not limited thereto.Such as, in an embodiment of the present invention, the first subregion 170 (1) is positioned at the left side of the second subregion 170 (2), and the 3rd subregion 170 (3) is positioned at the right side of the 4th subregion 170 (4), as shown in figure 11.Again as shown in figure 12, the first subregion 170 (1) can be located at the right side of the second subregion 170 (2), and the 3rd subregion 170 (3) is positioned at the left side of the 4th subregion 170 (4).Again as shown in figure 13, the first subregion 170 (1) can be located at the right side of the second subregion 170 (2), and the 3rd subregion 170 (3) is positioned at the right side of the 4th subregion 170 (4).
Have to be understood that ground, although only illustrate with two source electrode drivers in the above-described embodiments, but the present invention can be applicable on the display with three or more source electrode drivers.Refer to Figure 14, Figure 14 in order to illustrate one embodiment of the invention presents the schematic diagram of the data channel error rate of the display with multiple source electrode driver.Display 1400 has multiple first data channel 120 (1)～data channel 120 (n) and multiple first source electrode driver 130 (1)～source electrode driver 130 (n), wherein n 3.Each first source electrode driver 130 (1)～source electrode driver 130 (n) is coupled to timing controller 110 by the data channel of a correspondence in the first data channel 120 (1)～data channel 120 (n), to receive test signal S from timing controller 110TAnd relevant clock signal and data signal.Testing period TSIn, timing controller 110 repeatedly will test signal STBeing sent to the first source electrode driver 130 (1)～source electrode driver 130 (n) by the first data channel 120 (1)～data channel 120 (n), the first source electrode driver 130 (1)～source electrode driver 130 (n) then judges received test signal S respectivelyTWhether there is above-mentioned specific format, and add up respectively to judge received this test signal STDo not have the number of times of specific format.Then, the first source electrode driver 130 (1)～source electrode driver 130 (n), according to added up number of times, controls the display of corresponding (1)～region, first area 150 150 (n) respectively.
After display presents error rate corresponding to its each data channel, tester according to shown error rate, can adjust the parameter of data channel, so that the error rate of the data channel after adjusting can reduce and meet default specification.The mode of the parameter of above-mentioned adjustment data channel includes but not limited to adjust the termination resistance value of data channel, adjust the eqalizing cricuit size of data channel and adjust the receptor electric current of data channel.
In sum, multiple source electrode drivers of present invention test signal to display by transmitting the specific specific format of tool, and make source electrode driver be able to according to received test signal, judge the error rate of multiple data channels of display, and the panel controlling display shows the error rate of data channel in the way of being easily recognized.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, it is not intended to limit；Although the present invention being described in detail with reference to foregoing embodiments, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein some or all of technical characteristic is carried out equivalent replacement；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (5)
1. the method for the data channel error rate presenting display, it is characterised in that including:
By this display one timing controller, repeatedly the test signal one first data channel by this display and one second data channel with specific format are sent in during one tests one first source electrode driver and one second source electrode driver of this display, wherein, this test signal with this specific format is formed by series of bits；
This first source electrode driver and this second source electrode driver are respectively from this first data channel and this test signal of this second data channel reception, and judge whether this received test signal has this specific format；
During this test, this first source electrode driver accumulative and this second source electrode driver judge that this received test signal does not have one first number of this specific format and one second number respectively；
The display according to a first area of a panel of this first time this display of numerical control system of this first source electrode driver；And
The display according to a second area of this second time this panel of numerical control system of this second source electrode driver,
Wherein, this first area includes one first subregion and one second subregion, and this second area includes one the 3rd subregion and one the 4th subregion, this first source electrode driver controls the display of this first subregion according to this first number during one first shows, this second source electrode driver controls the display of the 3rd subregion according to this second number during one second shows, to the ratio during this second display equal to this first number ratio to this second number during this first display.
2. method according to claim 1, it is characterised in that the area ratio of this first subregion and the 3rd subregion is equal to this first number ratio to this second number.
3. method according to claim 1, it is characterized in that, this first source electrode driver controls this first subregion and this second subregion shows with different grey decision-making, and this second source electrode driver controls the 3rd subregion and the 4th subregion shows with different grey decision-making.
4. method according to claim 1, it is characterised in that this first source electrode driver controls this first subregion and shows with progressive grey decision-making, and this second source electrode driver controls the 3rd subregion and shows with progressive grey decision-making.
5. the method for the data channel error rate presenting display, it is characterised in that including:
By this display one timing controller, repeatedly the test signal one first data channel by this display and one second data channel with specific format are sent in during one tests one first source electrode driver and one second source electrode driver of this display, wherein, this test signal with this specific format is formed by series of bits；
This first source electrode driver and this second source electrode driver are respectively from this first data channel and this test signal of this second data channel reception, and judge whether this received test signal has this specific format；
During this test, this first source electrode driver accumulative and this second source electrode driver judge that this received test signal does not have one first number of this specific format and one second number respectively；
The display according to a first area of a panel of this first time this display of numerical control system of this first source electrode driver；And
The display according to a second area of this second time this panel of numerical control system of this second source electrode driver,
Wherein, this first area includes one first subregion and one second subregion, and this second area includes one the 3rd subregion and one the 4th subregion, this first source electrode driver controls this first subregion according to this first number during one first shows and shows with progressive color range value, this second source electrode driver controls the 3rd subregion according to this second number during one second shows and shows with progressive color range value, and to the ratio during this second display equal to this first number ratio to this second number during this first display.
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| CN102542971A (en) * | 2010-12-13 | 2012-07-04 | 三星电子株式会社 | Display driver circuit, operating method thereof, and user device including the same |
| CN102542974A (en) * | 2010-12-28 | 2012-07-04 | 硅工厂股份有限公司 | Method and apparatus for transmitting data between timing controller and source driver, having bit error rate test function |
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| CN102542974A (en) * | 2010-12-28 | 2012-07-04 | 硅工厂股份有限公司 | Method and apparatus for transmitting data between timing controller and source driver, having bit error rate test function |
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