CN103632628A - Method for presenting error rate of data channels on display - Google Patents
Method for presenting error rate of data channels on display Download PDFInfo
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- CN103632628A CN103632628A CN201210300696.0A CN201210300696A CN103632628A CN 103632628 A CN103632628 A CN 103632628A CN 201210300696 A CN201210300696 A CN 201210300696A CN 103632628 A CN103632628 A CN 103632628A
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Abstract
The invention provides a method for presenting an error rate of data channels on a display. In the method, through a timing controller of the display, test signals with a specific format are repeatedly transmitted via a first data channel and a second data channel of the display respectively to a first source drive and a second source drive of the display. During the test, the first and second source drives each are accumulated to determine a first frequency and a second frequency of the received test signals not having the specific format. The first and the second source drives control a first region and a second region of a panel of the display according to the first frequency and the second frequency. Therefore, the panel of the display presents the error rate of the data channels in a manner that is easily recognized.
Description
Technical field
The invention relates to a kind of method that presents the data channel error rate of display, and particularly relevant for a kind of method that presents the data channel error rate of display to be easy to the mode of identification.
Background technology
In recent years, display panel technology has been tending towards the ripe stage, but along with consumer demand, the size of display panel is done larger and larger, and resolution is done higher and higher.Yet when the resolution of display panel and size increase, by causing, the operating frequency of panel inside is more and more higher.Traditional display panel internal transmission system is due to a plurality of data channel of needs, under the environment of high frequency by be difficult to allow each data channel have close electrically.Therefore, source electrode driver is not easy this to make effective correction mechanism, and therefore the error rate of data channel (errorrate) is also difficult to reduce.The system of the more important thing is needs original special this problem of processing of extra one-tenth, and therefore the competitive power of product also cannot promote.
Summary of the invention
The invention provides a kind of method that presents the data channel error rate of display, it is by transmitting the test signal of tool specific format to a plurality of source electrode drivers of display, and source electrode driver is able to according to received test signal, the error rate of a plurality of data channels of judgement display, and the panel of controlling display shows the error rate of data channel to be easy to the mode of identification.
The invention provides a kind of method that presents the data channel error rate of display.The method comprises clock pulse controller by display the first source electrode driver and the second source electrode driver that repeatedly the first data channel and the second data channel by display is sent to display by the test signal with specific format.The method also comprises that the first source electrode driver and the second source electrode driver receive test signal from the first data channel and the second data channel respectively, and judges whether received test signal has above-mentioned specific format.The method is also included in test period and adds up respectively the first source electrode driver and the second source electrode driver and judge received test signal not first number and second number of the above-mentioned specific format of tool.The method separately comprises that the first source electrode driver is according to the demonstration of the first area of the panel of numerical control display processed for the first time.The method also comprises that the second source electrode driver is according to counting for the second time the demonstration of the second area of control panel.
In one embodiment of this invention, above-mentioned first area comprises the first subregion and the second subregion, and second area comprises the 3rd subregion and the 4th subregion.The first source electrode driver is according to the size of numerical control system the first subregion for the first time, and the second source electrode driver is according to the size of numerical control system the 3rd subregion for the second time.
In one embodiment of this invention, the Area Ratio of the first above-mentioned subregion and the 3rd subregion equals first number ratio to second 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 GTG values, and the second source electrode driver controls the 3rd subregion and the 4th subregion shows with different GTG values.
In one embodiment of this invention, the first above-mentioned source electrode driver is controlled the first subregion and is shown with progressive GTG value, and the second source electrode driver is controlled the 3rd subregion with progressive GTG value demonstration.
In one embodiment of this invention, above-mentioned panel comprises a plurality of pixels and many data lines.The first source electrode driver and the second source electrode driver are coupled to above-mentioned pixel by above-mentioned data line.The first source electrode driver is controlled the demonstration of the first subregion according to first number during the first demonstration, the second source electrode driver is controlled the demonstration of the 3rd subregion according to second number during the second demonstration, and first equal first number ratio to second number to the ratio during the second demonstration during showing.
In one embodiment of this invention, above-mentioned panel comprises a plurality of pixels and many data lines.The first source electrode driver according to the data line of numerical control system the first number for the first time to control the demonstration of the first subregion, the second source electrode driver is according to the data line of numerical control system the second number for the second time to control the demonstration of the 3rd subregion, and the first number equals first number ratio to second number to the ratio of the second number.
In one embodiment of this invention, the first above-mentioned source electrode driver is according to the shown color in the first area processed of numerical control for the first time, and the second source electrode driver is according to the shown color of the second area processed of numerical control for the second time.
In one embodiment of this invention, the first above-mentioned source electrode driver is controlled the first subregion and is shown with progressive color range value, and the second source electrode driver is controlled the 3rd subregion with progressive color range value demonstration.
Based on above-mentioned, the present invention is by transmitting the test signal of the specific specific format of tool to a plurality of source electrode drivers of display, and source electrode driver is able to according to received test signal, the error rate of a plurality of data channels of judgement display, and the panel of controlling display shows the error rate of data channel to be easy to the mode of identification.
For above-mentioned feature and advantage of the present invention can be become apparent, special embodiment below, and coordinate accompanying drawing explanation 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 of test signal in Fig. 1;
Fig. 3 be Fig. 1 display according to an embodiment of the invention method present the process flow diagram of the error rate of data channel;
Fig. 4 be Fig. 1 display according to another embodiment of the present invention method present the process flow diagram of 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 the schematic diagram of the data channel error rate that presents display in one embodiment of the invention;
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 the schematic diagram of the data channel error rate that presents display in one embodiment of the invention;
Fig. 9 is the sequential chart of corresponding the first source electrode driver of Fig. 8 embodiment and the second source electrode driver;
Figure 10 is in order to illustrate the schematic diagram of the data channel error rate that presents display in one embodiment of the invention;
Figure 11 is in order to illustrate the schematic diagram of the data channel error rate that presents display in another embodiment of the present invention;
Figure 12 is in order to illustrate the schematic diagram of the data channel error rate that presents display in yet another embodiment of the invention;
Figure 13 is in order to illustrate the schematic diagram of the data channel error rate that presents display in another embodiment of the present invention;
Figure 14 is in order to illustrate the schematic diagram of the data channel error rate that presents the display with a plurality of source electrode drivers in one embodiment of the invention.
Description of reference numerals:
50: pixel;
100,1400: display;
110: clock pulse controller;
120 (1): the first data channel;
120 (2): the second data channel;
120 (n): data channel;
130 (1): the first source electrode driver;
130 (2): the second source electrode driver;
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 column;
160 (1), 170 (1): first subregions;
160 (2), 170 (2): second subregions;
160 (3), 170 the (3): three subregions;
160 (4), 170 the (4): four subregions;
172 (1)～172 (4), 172 (a)～172 (j): display line;
D
0～D
3: data line;
G
0～G
2: sweep trace;
Q: transistor;
T
0, T
1: time point;
T
a: during the first demonstration;
T
b: during the second demonstration;
T
c: during the 3rd demonstration;
T
d: during the 4th demonstration;
T
f: the picture frame cycle;
T
s: test period;
S
t: test signal;
S312～S324: process step.
Embodiment
Please refer to Fig. 1, the schematic diagram of the display that Fig. 1 is one embodiment of the invention.In the present embodiment, display 100 is liquid crystal display, but the present invention is not as limit.The present invention is applicable to any employing clock pulse controller (Timing Controller; TCON) control source electrode driver and drive any types of display showing.Display 100 has clock pulse controller, and (Timing Controller is called for short: TCON) the 110, first source electrode driver 130 (1), the second source electrode driver 130 (2) and panel 140.For convenience of description, in this embodiment, only enumerate two source electrode drivers and describe, but not as restriction, the present embodiment is applicable to have the display of the source electrode driver of varying number.Clock pulse controller 110 is in order to produce test signal S
tand produce in order to control clock signal and the data-signal of display 100 operations.Clock pulse 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).
The first data channel 120 (1) and the second data channel 120 (2) can pass through transistor-transistor logic (Transistor-Transistor Logic; TTL) circuit such as circuit, difference input/output circuitry is reached.In addition, between clock pulse controller 110 and the first source electrode driver 130 (1), the second source electrode driver 130 (2), signal transmission form can comprise that mode, the multiple spot of point-to-point (Point to Point) are connected the modes such as mode, clock embedded (Clock Embedded) of (Multi-Drop).
In an embodiment of the present invention, clock signal and data-signal that clock pulse controller 110 produces to control display 100 operations are sent to the first source electrode driver 130 (1) and the second source electrode driver 130 (2) by different transmission interfaces respectively, the first data channel 120 (1) and the second data channel 120 (2) are respectively coupled to above-mentioned in order to transmit clock signal that clock pulse controller 110 produces and the different transmission interfaces of data-signal, with clock signal and the data-signal that clock pulse controller 110 is produced, be sent to respectively the first source electrode driver 130 (1) and the second source electrode driver 130 (2).In another embodiment of the present invention, the clock signal that clock pulse controller 110 produces to control display 100 operations is contained in the data-signal that clock pulse controller 110 produces.A plurality of embodiment one of them, the first source electrode driver 130 (1) and the second source electrode driver 130 (2) can comprise clock-data recovery (Clock and Data Recovery, be called for short: CDR) circuit, to process the signal from clock pulse controller 110, to produce clock pulse and data required when driving panel 140.
In addition, clock pulse controller 110 can be repeatedly by test signal S
tby the first data channel 120 (1) and the second data channel 120 (2), be sent to the first source electrode driver 130 (1) and the second source electrode driver 130 (2).Test signal S
thave specific format, the first source electrode driver 130 (1) and the second source electrode driver 130 (2) can judge received test signal S
twhether there is above-mentioned specific format.Generally speaking, at test signal S
tbe sent to the first data channel 120 (1) and the second data channel 120 (2) if process in do not make a mistake, the first source electrode driver 130 (1) and the received test signal S of the second source electrode driver 130 (2)
tcapital has above-mentioned specific format.Yet, due to panel oversize make the first data channel 120 (1) and the second data channel 120 (2) long, test signal S
tin transport process, understand weak or be disturbed, and making the first source electrode driver 130 (1) and the received test signal S of the second source electrode driver 130 (2)
tnot necessarily there is above-mentioned specific format.Therefore, by repeatedly will thering is the test signal S of specific format
tbe sent to the first source electrode driver 130 (1) and the second source electrode driver 130 (2), and make the first source electrode driver 130 (1) and the second source electrode driver 130 (2) judge respectively received test signal S
twhether there is above-mentioned specific format, can calculate respectively the error rate of the first data channel 120 (1) and the second data channel 120 (2).In addition, in an embodiment of the present invention, meet the test signal S of above-mentioned specific format
tthe key forming for a succession of bit.In addition, in an embodiment of the present invention, meet the test signal S of above-mentioned specific format
tthere is specific waveform.
Please refer to Fig. 2 while with reference to Fig. 1.Fig. 2 is the sequential chart of test signal in Fig. 1.Test signal S
tthere is specific format, in an embodiment of the present invention, meet the test signal S of above-mentioned specific format
tthe key forming for a succession of bit.In another embodiment of the present invention, meet the test signal S of above-mentioned specific format
tthere is specific waveform.For example, in one embodiment, S
tsequential S between time point T0～time point TN
t (1)s
t (2)s
t (3)s
t (4)... S
t (N)specific coding, can S
t (1)=S
t (2)=S
t (3)=S
t (4)=S
t (N), also can S
t (1)≠ S
t (2)≠ S
t (3)≠ S
t (4)≠ S
t (N).
At test period T
sin, clock pulse controller 110 is repeatedly by test signal S
tby the first data channel 120 (1) and the second data channel 120 (2), be sent to the first source electrode driver 130 (1) and the second source electrode driver 130 (2).Wherein, test period T
sby time point T
0start, and in time point T
1finish.In an embodiment of the present invention, clock pulse controller 110 is at test period T
sinside periodically transmit test signal S
tto the first source electrode driver 130 (1) and the second source electrode driver 130 (2).In another embodiment of the present invention, clock pulse controller 110 is at test period T
sinterior aperiodicity ground transmits test signal S
tto the first source electrode driver 130 (1) and the second source electrode driver 130 (2).In other words, the double transmission test signal of clock pulse controller 110 S
tbetween time layout can be fixing can be also revocable.
T in test period
s, the first source electrode driver 130 (1) and the second source electrode driver 130 (2) add up respectively test signal S receiving that judges itself
tnot first of the above-mentioned specific format of tool number and second number.For convenience of description, suppose that first time above-mentioned number equals N1, and second number equals N2.The first source electrode driver 130 (1) can be according to the demonstration of the first area 150 (1) of first time above-mentioned number N1 control panel 140, and the second source electrode driver 130 (2) is according to the demonstration of the second area 150 (2) of second time above-mentioned number N2 control panel 140.For instance, in an embodiment of the present invention, the first source electrode driver 130 (1) is controlled first area 150 (1) forms with Arabic symbol according to first time above-mentioned number N1 and is shown first time above-mentioned number N1, and the second source electrode driver 130 (2) shows second time above-mentioned number N2 according to second time above-mentioned number N2 control second area 150 (2) form with Arabic symbol.Again for instance, in an embodiment of the present invention, the first source electrode driver 130 (1) is controlled the shown color in first area 150 (1) according to first number N1, and the second source electrode driver 130 (2) is controlled the shown color of 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) can be set first area 150 (1) and the shown color of second area 150 (2) according to the degree of the first data channel 120 (1) and the second data channel 120 (2) corresponding error rates respectively.For instance, when first number N1 or second number N2 are less than the first preset critical, its corresponding first source electrode driver first source electrode driver 130 (1) or the second source electrode driver 130 (2) drive corresponding first area 150 (1) or second area 150 (2) to show green.When first number N1 or second number N2 are during between the first preset critical and the second preset critical, its corresponding first source electrode driver 130 (1) or the second source electrode driver 130 (2) drive corresponding first area 150 (1) or second area 150 (2) to show yellow.Wherein, the second preset critical is greater than the first preset critical.When first number N1 or second number N2 are greater than the second preset critical, its corresponding first source electrode driver 130 (1) or the second source electrode driver 130 (2) drive corresponding first area 150 (1) or second area 150 (2) to show red.Whereby, the tester of display 100 can judge the first data channel 120 (1) and the second data channel 120 (2) corresponding error rates roughly according to first area 150 (1) and the shown color of second area 150 (2).Must understand 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 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).
Please refer to Fig. 3 while with reference to Fig. 1.Fig. 3 be Fig. 1 display according to an embodiment of the invention method present the process flow diagram of the error rate of data channel.In step S312, the first source electrode driver 130 (1) can make zero first number N1, and the second source electrode driver 130 (2) can make zero second number N2.In step S314, clock pulse controller 110 is by test signal S
tby the first data channel 120 (1) and the second data channel 120 (2), be sent to the first source electrode driver 130 (1) and the second source electrode driver 130 (2).Afterwards, in step S316 and S318, the first source electrode driver 130 (1) and the second source electrode driver 130 (2) judge respectively received test signal S
twhether there is above-mentioned form.When the first source electrode driver 130 (1) is judged received test signal S
tduring the above-mentioned form of tool, do not perform step S320, and make number N1 cumulative 1 first time.Similarly, when the second source electrode driver 130 (2) is judged received test signal S
tduring the above-mentioned form of tool, do not perform step S322, and make number N2 cumulative 1 second time.In step S324, clock pulse controller 110 judges whether to finish test, that is judges above-mentioned test period T
smake noly to finish.If test not yet finishes, repeating step S314.Otherwise, carry out step S326 and step S328.In step S326, the first source electrode driver 130 (1) is according to the demonstration of first number N1 control first area 150 (1).In step S328, the second source electrode driver 130 (2) is according to the demonstration of second number N2 control second area 150 (2).
Please refer to Fig. 4 while with reference to Fig. 1 and Fig. 3.Fig. 4 be Fig. 1 display according to another embodiment of the present invention method present the process flow diagram of the error rate of data channel.Main Differences between the flow process of Fig. 4 and the flow process of Fig. 3 is the sequencing that step S324, S326 and S328 are performed, and all the other are identical and repeat no more.In the flow process of Fig. 4, after step S316 or S320 finish, step S326 can be performed, and makes the first source electrode driver 130 (1) according to first number N1, control in time the demonstration of first area 150 (1).Similarly, after step S318 or S322 finish, step S328 can be performed, and makes the second source electrode driver 130 (2) according to second number N2, control in time the demonstration of second area 150 (2).After step S326 or S328 carry out and finish, then perform step S324.
For being illustrated more clearly in other embodiments of the invention in order to present the method for the data channel error rate of display, in this first type of drive that panel 140 is described roughly.Please refer to Fig. 5 while with reference to Fig. 1.Fig. 5 is the schematic diagram of the panel of one embodiment of the invention.Panel 140 has a plurality of pixels 50, many data lines (as D
0～D
3), multi-strip scanning line is (as G
0～G
2) and a plurality of transistor Q.Each pixel 50 is coupled to one end of transistor Q, and data line is (as D
0～D
3) being coupled to the other end of transistor Q, the grid of transistor Q is coupled to sweep trace (as G
0～G
2).In the present embodiment, panel 140 is a display panels, and source electrode driver in display and gate drivers drive panel 140 by transmitting data voltage and scanning voltage respectively.In addition the data line that, the first source electrode driver 130 (1) and the second source electrode driver 130 (2) pass through panel 140 is (as D
0～D
3) be coupled to pixel 50, to transmit data voltage by data line to pixel 50.
Please refer to Fig. 6, Fig. 6 is in order to illustrate the schematic diagram of the data channel error rate that presents display in one embodiment of the invention.In the present embodiment, the first source electrode driver 130 (1) is according to the demonstration of first number N1 control first area 150 (1), and the second source electrode driver 130 (2) is according to the demonstration of second number N2 control second area 150 (2).Wherein, first area 150 (1) comprises the first subregion 160 (1) and the second subregion 160 (2), and second area 150 (2) comprises the 3rd subregion 160 (3) and the 4th subregion 160 (4).The first source electrode driver 130 (1) is controlled the size of the first subregion 160 (1) according to first number N1, and the second source electrode driver 130 (2) is controlled the size of the 3rd subregion 160 (3) according to second number N2.When first number N1 is larger, represent that the error rate of the first data channel 120 (1) is higher, therefore the first subregion 160 (1) can be larger, and the second subregion 160 (2) can be less.Similarly, when second number N2 is larger, represent that the error rate of the second data channel 120 (2) is higher, therefore the 3rd subregion 160 (3) can be larger, and the 4th subregion 160 (4) can be less.Therefore, can, according to the size of the first subregion 160 (1) and the 3rd subregion 160 (3), judge the error rate of the first data channel 120 (1) and the second data channel 120 (2).
In an embodiment of the present invention, the first subregion 160 (1) and the 3rd subregion 160 (3) have respectively its number and first number N1 or second consistent display column (as display column 152 (1)～152 (3) and display column 152 (a)～152 (j)) of number N2.In other words, the number of the display column that the first subregion 160 (1) has can equal number N1 first time, and the number of the display column that the 3rd subregion 160 (3) has can equal number N2 second time.Take Fig. 6 as example, and first time number N1 equals three, and second number N2 equals ten.Therefore, the Area Ratio of the first subregion 160 (1) and the 3rd subregion 160 (3) equals first number N1 ratio to second number N2.In addition, the vertical resolution of each above-mentioned display column can be one or more pixels.In other words, all pixels in each display column are controlled by one or more sweep trace.
In one embodiment of this invention, the first source electrode driver 130 (1) controls the first subregion 160 (1) and the second subregion 160 (2) shows with different GTG values, and the second source electrode driver 130 (2) is controlled the 3rd subregion 160 (3) and the 4th subregion 160 (4) shows with different GTG values.In other words, the first subregion 160 (1) shows with the first GTG value, and the second subregion 160 (2) shows with the second GTG value, and the first GTG value is not equal to the second GTG value.The 3rd subregion 160 (3) shows with the 3rd GTG value, and the 4th subregion 160 (4) shows with the 4th GTG value, and the 3rd GTG value is not equal to the 4th GTG value.
In one embodiment of this invention, the first above-mentioned source electrode driver 130 (1) is controlled the first subregion 160 (1) and is shown with progressive GTG value, and the second source electrode driver 130 (2) is controlled the 3rd subregion 160 (3) with progressive GTG value demonstration.For instance, the GTG value of supposing the display column 152 (1)～152 (3) in the first subregion 160 (1) is respectively G1, G2 and G3, and the GTG value of display column 152 (a)～152 (j) in the 3rd subregion 160 (3) is respectively Ga, Gb, Gc, Gd, Ge, Gf, Gg, Gh, Gi and Gj, G1 < G2 < G3 or G1 > G2 > G3.In addition 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, GTG value G1 can equal GTG value Ga, and GTG value G3 can equal GTG value Gj, and the shown GTG value of the second subregion 160 (2) can be G3, and the shown GTG value of the 4th subregion 160 (4) can be Gj.
In one embodiment of this invention, the first source electrode driver 130 (1) is controlled the shown color in first area 150 (1) according to first number N1, and the second source electrode driver 130 (2) is controlled the shown color of second area 150 (2) according to second number N2.Wherein, the first source electrode driver 130 (1) is controlled the first subregion 160 (1) and is shown with progressive color range value, and the second source electrode driver 130 (2) is controlled the 3rd subregion 160 (3) with progressive color range value demonstration.For instance, the color range value of supposing the display column 152 (1)～152 (3) in the first subregion 160 (1) is respectively C1, C2 and C3, and the color range value of display column 152 (a)～152 (j) in the 3rd subregion 160 (3) is respectively Ca, Cb, Cc, Cd, Ce, Cf, Cg, Ch, Ci and Cj, C1 < C2 < C3 or C1 > C2 > C3.In addition 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 shown color range value of the second subregion 160 (2) can be G3, and the shown color range value of the 4th subregion 160 (4) can be Gj.
In one embodiment of this invention, the first source electrode driver 130 (1) is controlled the demonstration of the first subregion 160 (1) during the first demonstration according to first number N1, the second source electrode driver 130 (2) is controlled the demonstration of the 3rd subregion 160 (3) during the second demonstration according to second number N2, wherein above-mentioned first equals first number N1 ratio to second number N2 to the ratio during the second demonstration during showing.Please 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 period T
f, the first source electrode driver 130 (1) and the second source electrode driver 130 (2) can be by the shown frame updating of panel 140 once.The first source electrode driver 130 (1) is according to first number N1 T during the first demonstration
acontrol the demonstration of the first subregion 160 (1), and the second source electrode driver 130 (2) is according to second number N2 T during the second demonstration
bcontrol the demonstration of the 3rd subregion 160 (3), wherein T during the first demonstration
ato T during the second demonstration
bratio equal first number N1 ratio to second number N2.In the scan period fixedly in the situation that, because of first show during T
ato T during the second demonstration
bratio equal 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 first number N1 ratio to second number N2.In addition the first source electrode driver 130 (1) T during the 3rd demonstration,
ccontrol the demonstration of the second subregion 160 (2), and the second source electrode driver 130 (2) T during the 4th demonstration
dcontrol the demonstration of the 4th subregion 160 (4).
In the embodiment of Fig. 6 and Fig. 7, in each picture frame period T
fin, the 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.Yet the present invention is not as limit.For example, in an embodiment of the present invention, the 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.Please refer to Fig. 8 and Fig. 9.Fig. 8 is in order to the schematic diagram of the data channel error rate that presents display in one embodiment of the invention to be described, Fig. 9 is the sequential chart of corresponding the first source electrode driver of Fig. 8 embodiment and the second source electrode driver.Wherein, in each picture frame period T
fin, T during the first demonstration
at during backward the 3rd demonstration in sequential
c, and T during the second demonstration
bt during backward the 4th demonstration in sequential
d.In addition, in each picture frame period T
fin, T during the first source electrode driver 130 (1) shows prior to the 3rd
cdrive the second subregion 160 (2) T during the first demonstration again
adrive the first subregion 160 (1), and the second source electrode driver 130 (2) prior to the 4th, show during T
ddrive the 4th subregion 160 (4) T during the second demonstration again
bdrive the 3rd subregion 160 (3).
Please refer to Figure 10, Figure 10 is in order to illustrate the schematic diagram of the data channel error rate that presents display in one embodiment of the invention.In the present embodiment, the first source electrode driver 130 (1) is according to the demonstration of first number N1 control first area 150 (1), and the second source electrode driver 130 (2) is according to the demonstration of second number N2 control second area 150 (2).First area 150 (1) comprises the first subregion 170 (1) and the second subregion 170 (2), and the second subregion 170 (2) comprises the 3rd subregion 170 (3) and the 4th subregion 170 (4).The first subregion 170 (1) and the 3rd subregion 170 (3) have respectively its number and first number N1 or second consistent display line (as display line 172 (1)～172 (4) and display line 172 (a)～172 (j)) of number N2.In other words, the number of the display line that the first subregion 170 (1) has can equal number N1 first time, and the number of the display line that the 3rd subregion 170 (3) has can equal number N2 second time.Take Figure 10 as example, and first time number N1 equals four, and second number N2 equals ten.Therefore, the Area Ratio of the first subregion 170 (1) and the 3rd subregion 170 (3) equals first number N1 ratio to second number N2.In addition, the horizontal resolution of each above-mentioned display line can be one or more pixels.In other words, all pixels in each display line are controlled by one or more data line.
In one embodiment of this invention, the data line that the first source electrode driver 130 (1) is controlled the first number according to first number N1 is (as the data line D in Fig. 5
0～D
3) to control the demonstration of the first subregion 170 (1), the data line that the second source electrode driver 130 (2) is controlled the second number according to second number N2 to be to control the demonstration of the 3rd subregion 170 (3), and the first above-mentioned number equals first number N1 ratio to second number N2 to the ratio of the second number.
In one embodiment of this invention, the first source electrode driver 130 (1) controls the first subregion 170 (1) and the second subregion 170 (2) shows with different GTG values, and the second source electrode driver 130 (2) is controlled the 3rd subregion 170 (3) and the 4th subregion 170 (4) shows with different GTG values.In other words, the first subregion 170 (1) shows with the first GTG value, and the second subregion 170 (2) shows with the second GTG value, and the first GTG value is not equal to the second GTG value.The 3rd subregion 170 (3) shows with the 3rd GTG value, and the 4th subregion 170 (4) shows with the 4th GTG value, and the 3rd GTG value is not equal to the 4th GTG value.
In one embodiment of this invention, the first above-mentioned source electrode driver 130 (1) is controlled the first subregion 170 (1) and is shown with progressive GTG value, and the second source electrode driver 130 (2) is controlled the 3rd subregion 170 (3) with progressive GTG value demonstration.For instance, the GTG value of supposing the display line 172 (1)～172 (4) in the first subregion 170 (1) is respectively G1, G2, G3 and G4, and the GTG value of display line 172 (a)～172 (j) in the 3rd subregion 170 (3) is respectively Ga, Gb, Gc, Gd, Ge, Gf, Gg, Gh, Gi and Gj, G1 < G2 < G3 < G4 or G1 > G2 > G3 > G4.In addition 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, GTG value G1 can equal GTG value Ga, and GTG value G3 can equal GTG value Gj, and the shown GTG value of the second subregion 160 (2) can be G3, and the shown GTG value of the 4th subregion 160 (4) can be Gj.
In one embodiment of this invention, the first source electrode driver 130 (1) is controlled the shown color in first area 150 (1) according to first number N1, and the second source electrode driver 130 (2) is controlled the shown color of second area 150 (2) according to second number N2.Wherein, the first source electrode driver 130 (1) is controlled the first subregion 170 (1) and is shown with progressive color range value, and the second source electrode driver 130 (2) is controlled the 3rd subregion 170 (3) with progressive color range value demonstration.For instance, the color range value of supposing the display line 172 (1)～172 (4) in the first subregion 170 (1) is respectively C1, C2, C3 and C4, and the color range value of display line 172 (a)～172 (j) in the 3rd subregion 170 (3) is respectively Ca, Cb, Cc, Cd, Ce, Cf, Cg, Ch, Ci and Cj, C1 < C2 < C3 < C4 or C1 > C2 > C3 > C4.In addition 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 shown color range value of the second subregion 160 (2) can be C3, and the shown color range value of the 4th subregion 160 (4) can be Cj.
In the embodiment of 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).Yet the present invention is not as limit.For example, 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 positioned 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 positioned 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).
Must understand ground, although only illustrate with two source electrode drivers in the above-described embodiments, the present invention can be applicable on the display with three or more source electrode drivers.Please refer to Figure 14, Figure 14 is in order to illustrate the schematic diagram of the data channel error rate that presents the display with a plurality of source electrode drivers in one embodiment of the invention.Display 1400 has a plurality of first data channel 120 (1)～data channels 120 (n) and a plurality of the 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 clock pulse controller 110 by the data channel of a correspondence in first data channel 120 (1)～data channels 120 (n), to receive test signal S from clock pulse controller 110
tand relevant clock signal and data-signal.At test period T
sin, clock pulse controller 110 is repeatedly by test signal S
tby first data channel 120 (1)～data channels 120 (n), be sent to first source electrode driver 130 (1)～source electrode drivers 130 (n), first source electrode driver 130 (1)～source electrode drivers 130 (n) judge respectively received test signal S
twhether there is above-mentioned specific format, and totally judge respectively received this test signal S
tdo not have a number of times of specific format.Then, first source electrode driver 130 (1)～source electrode drivers 130 (n), according to added up number of times, are controlled respectively the demonstration in 150 (1)～regions 150 (n), corresponding first area.
When display presents after its each corresponding error rate of data channel institute, tester can adjust the parameter of data channel according to shown error rate, meets default specification so that the error rate of the data channel after adjusting can reduce.The mode of the parameter of above-mentioned adjustment data channel includes but not limited to adjust the receiver electric current of the termination resistance value of data channel, the eqalizing cricuit size of adjustment data channel and adjustment data channel.
In sum, the present invention is by transmitting the test signal of the specific specific format of tool to a plurality of source electrode drivers of display, and source electrode driver is able to according to received test signal, the error rate of a plurality of data channels of judgement display, and the panel of controlling display shows the error rate of data channel to be easy to the mode of identification.
Finally it should be noted that: each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit above; Although the present invention is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these modifications 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 (11)
1. a method that presents the data channel error rate of display, is characterized in that, comprising:
By this display one clock pulse controller one first source electrode driver and one second source electrode driver that repeatedly by a test signal with specific format, one first data channel and one second data channel by this display is sent to this display;
This first source electrode driver and this second source electrode driver receive this test signal from this first data channel and this second data channel respectively, and judge whether this received test signal has this specific format;
In a test period, add up respectively this first source electrode driver and this second source electrode driver and judge this received test signal not one first number and one second number of this specific format of tool;
This first source electrode driver is according to this demonstration of a first area of a panel of this display of numerical control system for the first time; And
This second source electrode driver is according to this demonstration of a second area of this panel of numerical control system for the second time.
2. method according to claim 1, it is characterized in that, this first area comprises one first subregion and one second subregion, and this second area comprises one the 3rd subregion and one the 4th subregion, this first source electrode driver is according to this size of this first subregion of numerical control system for the first time, and this second source electrode driver is according to this size of numerical control system the 3rd subregion for the second time.
3. method according to claim 2, is characterized in that, the Area Ratio of this first subregion and the 3rd subregion equals the ratio of this first number to this second number.
4. method according to claim 2, it is characterized in that, this first source electrode driver controls this first subregion and this second subregion shows with different GTG values, and this second source electrode driver is controlled the 3rd subregion and the 4th subregion shows with different GTG values.
5. method according to claim 2, is characterized in that, this first source electrode driver is controlled this first subregion and shown with progressive GTG value, and this second source electrode driver is controlled the 3rd subregion with progressive GTG value demonstration.
6. method according to claim 2, it is characterized in that, this panel comprises a plurality of pixels and many data lines, this first source electrode driver and this second source electrode driver are coupled to those pixels by those data lines, this first source electrode driver is controlled the demonstration of this first subregion during one first demonstration according to this first number, this second source electrode driver is controlled the demonstration of the 3rd subregion during one second demonstration according to this second number, and during this first demonstration, the ratio during this second demonstration is equaled to the ratio of this first number to this second number.
7. method according to claim 2, it is characterized in that, this panel comprises a plurality of pixels and many data lines, this first source electrode driver according to this for the first time those data lines of numerical control system one first number to control the demonstration of this first subregion, those data lines of numerical control system one second number are to control the demonstration of the 3rd subregion for the second time according to this for this second source electrode driver, and this first number equals the ratio of this first number to this second number to the ratio of this second number.
8. method according to claim 1, is characterized in that, this first source electrode driver is according to this shown color in this first area of numerical control system for the first time, and this second source electrode driver is according to this shown color of this second area of numerical control system for the second time.
9. method according to claim 8, is characterized in that, this first source electrode driver is controlled this first subregion and shown with progressive color range value, and this second source electrode driver is controlled the 3rd subregion with progressive color range value demonstration.
10. method according to claim 9, it is characterized in that, this panel comprises a plurality of pixels and many data lines, this first source electrode driver and this second source electrode driver are coupled to those pixels by those data lines, this first source electrode driver is controlled the demonstration of this first subregion during one first demonstration according to this first number, this second source electrode driver is controlled the demonstration of the 3rd subregion during one second demonstration according to this second number, and during this first demonstration, the ratio during this second demonstration is equaled to the ratio of this first number to this second number.
11. methods according to claim 9, it is characterized in that, this panel comprises a plurality of pixels and many data lines, this first source electrode driver according to this for the first time those data lines of numerical control system one first number to control the demonstration of this first subregion, those data lines of numerical control system one second number are to control the demonstration of the 3rd subregion for the second time according to this for this second source electrode driver, and this first number equals the ratio of this first number to this second number to the ratio of this second number.
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| US20080309605A1 (en) * | 2007-06-12 | 2008-12-18 | Chang Jae Jang | Liquid crystal display and method of testing the same |
| US20090267877A1 (en) * | 2008-04-29 | 2009-10-29 | Himax Display, Inc. | Liquid crystal on silicon panel |
| 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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| US20080309605A1 (en) * | 2007-06-12 | 2008-12-18 | Chang Jae Jang | Liquid crystal display and method of testing the same |
| US20090267877A1 (en) * | 2008-04-29 | 2009-10-29 | Himax Display, Inc. | Liquid crystal on silicon panel |
| 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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