CN102622988A - Drive circuit, display screen and electronic equipment - Google Patents
Drive circuit, display screen and electronic equipment Download PDFInfo
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- CN102622988A CN102622988A CN2012101119447A CN201210111944A CN102622988A CN 102622988 A CN102622988 A CN 102622988A CN 2012101119447 A CN2012101119447 A CN 2012101119447A CN 201210111944 A CN201210111944 A CN 201210111944A CN 102622988 A CN102622988 A CN 102622988A
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Abstract
The invention discloses a drive circuit, a display screen and electronic equipment. The drive circuit comprises M gate drivers and N source drivers, wherein the M gate drivers are connected with the display screen; each of the M gate drivers comprises a first control pin, a second control pin, a third control pin and a fourth control pin; the first control pins are used for receiving positive scanning control signals, and the second control pins are used for receiving reverse scanning control signals; the third control pins are connected with the fourth control pins; the fourth control pin of the ith gate driver is connected with the third control pin of the (i+1)th gate driver; the fourth control pin of the Mth gate driver is connected with the second control pin of the Mth gate driver, M is an integer which is more than or equal to 2, and i is an integer which is more than or equal to 1 and less than M; and the N source drivers are connected with the display screen, and N is an integer which is more than or equal to 1.
Description
Technical field
The present invention relates to electronic technology field, particularly a kind of driving circuit, display screen and electronic equipment.
Background technology
TFT (Thin Film Transistor, TFT) liquid crystal panel is realized through fixed railing driver scan mode and source electrode driver transmission mode when carrying out the image transmission; As shown in Figure 1; That describes among Fig. 1 is the panel of 60HZ 1366*768, and the forward scan mode of this panel is for from top to bottom, from left to right; Thereby the direction of scanning of corresponding gate drivers is G1 → G768; I.e. scanning from top to bottom, the transmission direction of corresponding source electrode driver shift register is S1 → S1366, i.e. from left to right scanning.
It is thus clear that the direction of scanning of above-mentioned panel is more single, design has also proposed fixing structural design to the unicity of this display direction for complete machine structure, can not reach the demand of bilateral scanning.
And in the prior art, in order to solve the problems of the technologies described above, the way of prior art is through adding a lot of shift registers and realize reverse scan in that liquid crystal panel being inner extra.Specifically, be: when faceplate inverted, just need carry out reverse scan; At this moment, in data storage, then utilize the extra shift register that adds to carry out stored inverted; That is: image is when carrying out data storage, according to first first pixel data of row (768,1366) last pixel data (1 of delegation to the end; 1) storage order is stored, and then realizes faceplate inverted to place and effect that the image forward is watched.
And the inventor finds the problem that exists in the above-mentioned prior art in realizing process of the present invention:
Come the gated sweep direction through adding a lot of shift registers in the prior art, carry out reverse scan, cause the inner system architecture of liquid crystal panel complicated in liquid crystal panel inside.
Further, add a lot of shift registers in liquid crystal panel inside and come the gated sweep direction, cost is quite high.
Summary of the invention
The present invention provides a kind of driving circuit, display screen and electronic equipment, in order to solve the complicated technical matters of system architecture when carrying out reverse scan that exists in the prior art.
On the one hand, the present invention provides following technical scheme through the application's a embodiment:
A kind of driving circuit comprises:
M gate drivers is connected with a display screen, and wherein, each gate drivers comprises the first control pin in the said M gate drivers, the second control pin, the 3rd control pin, the 4th control pin; Wherein, the said first control pin is used to receive the forward scan control signal, and the said second control pin is used to receive the reverse scan control signal; Said the 3rd control pin links to each other with said the 4th control pin; The 3rd control pin of the 4th control pin of i gate drivers and i+1 gate drivers is connected; The second control pin of the 4th control pin of said M gate drivers and said M gate drivers is connected; Said M is the integer more than or equal to 2, and said i is more than or equal to 1 and less than the integer of M; N source electrode driver is connected with said display screen, and wherein N is the integer more than or equal to 1; Wherein, When the first control pin of said i gate drivers receives said forward scan control signal; Open each source electrode driver the said N source electrode driver successively from 1 to N; And through a said N source electrode driver video Data Transmission that i is capable to said display screen, show for said display screen; Wherein, When the second control pin of said i gate drivers receives the reverse scan control signal; Open each source electrode driver the said N source electrode driver successively from N to 1; And, show for said display screen through the said display screen that the said N source electrode driver video Data Transmission that M-i+1 is capable arrives.
Further, each gate drivers also comprises in the said M gate drivers: bypass circuit is connected with each gate drivers in the said M gate drivers; Wherein, When the 3rd control pin of said the 1st gate drivers receives the reverse scan control signal corresponding with i gate drivers; Through M bypass circuit in the said M gate drivers; Make the second control pin of i gate drivers receive said reverse scan control signal; So that open each source electrode driver the said N source electrode driver successively, and, show for said display screen through the said display screen that the said N source electrode driver video Data Transmission that M-i+1 is capable arrives from N to 1.
Further; Each source electrode driver also comprises in the said N source electrode driver: level control pin; Can the level of said each source electrode driver be set at high level or low level through said level control pin, latchs said video data, when first of said i gate drivers controlled pin and received said forward scan control signal; Video Data Transmission i is capable through a said N source electrode driver arrives said display screen, shows for said display screen; Or when the second control pin of said i gate drivers received the reverse scan control signal, the said display screen through the said N source electrode driver video Data Transmission that M-i+1 is capable arrives showed for said display screen.
On the other hand, the present invention provides a kind of display screen through another embodiment of the application, comprising:
Display unit; Driving circuit is connected with said display unit, and wherein, said driving circuit comprises M gate drivers and N source electrode driver, and M is the integer more than or equal to 2, and N is the integer more than or equal to 1; Time schedule controller is connected with a said M gate drivers, is used to generate the forward scan control signal or the reverse scan control signal of the said M of a control gate drivers; Wherein, under the control of said forward scan control signal, through said driving circuit, can with the capable video data of i be presented at i on the said display unit capable on; Under the control of said reverse scan control signal, through said driving circuit, can with the capable video data of i be presented at the M-i+1 of said display unit capable on.
Further, said time schedule controller comprises: forward scan control signal pin is connected with the first control pin of the 1st gate drivers in the said M gate drivers; Reverse scan control signal pin is connected with the 3rd control pin of the 1st gate drivers in the said M gate drivers.
Further, said time schedule controller also comprises: first resistance is connected between the first control pin of said forward scan control signal pin and said the 1st gate drivers; Second resistance is connected between the 3rd control pin of said reverse scan control signal pin and said the 1st gate drivers.
Further; Said display screen also comprises: N data register; Corresponding one by one with a said N source electrode driver, wherein, j source electrode driver is connected with j data register in said N the data register in the said N source electrode driver; Wherein, j is more than or equal to 1 integer smaller or equal to N.
On the one hand, the present invention provides a kind of electronic equipment through another embodiment of the application, comprising again:
One video data processing unit; Display screen is connected with said video data processing unit, and wherein, it is capable that said display screen has a M, and M is the integer more than or equal to 2; Wherein, when said display screen forward is placed, can will be presented at from the capable video data of i of said video data processing unit the i of said display screen capable on; Said display screen when being inverted, can will be presented at from the capable video data of i of said video data processing unit the M-i+1 of said display screen capable on.
One or more technical schemes in the technique scheme have following technique effect or advantage:
At first, through add the control pin at gate drivers, reach bypass circuit and make the technical scheme among the application can realize reverse scan, and need not use a large amount of extra shift registers.
Secondly, gate drivers carries out forward scan from the first control pin and the second control pin to display screen through accepting the forward scan control signal of time schedule controller; And through accepting the reverse scan control signal of time schedule controller; From this signal to the second control pin of the 3rd control pin bypass; Since the second control pin display screen is carried out reverse scan, to realize the bilateral scanning of display screen, the cabling that only need change gate drivers just can be realized the bilateral scanning of display screen; Cost is low, good stability.
Once more, when gate drivers carries out reverse scan,, and cooperate data register to realize the reverse transfer of data, can reach the time, realize the technique effect that forward is watched the display screen reverse scan through the change of high-low level on the source class driver.
Description of drawings
Fig. 1 is the synoptic diagram of display screen in the prior art;
Fig. 2 is the synoptic diagram of driving circuit among the application embodiment one;
Fig. 3 is the pinouts of gate drivers among the application embodiment one;
Fig. 4 A is the connection layout of two gate drivers among the application embodiment one;
Fig. 4 B is the oscillogram during gate drivers forward scan among the application embodiment one;
Fig. 4 C is the oscillogram during two gate drivers reverse scans among the application embodiment one;
Fig. 5 is the annexation figure of two source class drivers among the application embodiment one;
Fig. 6 is the synoptic diagram of display screen among the application embodiment two;
Fig. 7 is the concrete structural drawing of time schedule controller among the application embodiment two;
Fig. 8 is the synoptic diagram when scanning character image in the display screen among the application embodiment;
Fig. 9 is an electronic equipment synoptic diagram among the application embodiment three.
Embodiment
In order to solve the complicated technical matters of system architecture when carrying out reverse scan that prior art exists; The embodiment of the invention has proposed a kind of driving circuit; Display screen and electronic equipment carry out detailed elaboration below in conjunction with Figure of description to the main realization principle of the embodiment of the invention, practical implementation process and to the beneficial effect that should be able to reach.
Basic realization principle of the present invention is through new control pin on the gate drivers in display screen; Realize the bilateral scanning of display screen; Once more; In order to cooperate the change of gate drivers, on source class driver and miscellaneous part, also carried out some changes, and the most critical part is: in the design of gate drivers, carry out the design of reverse scan design and source electrode driver reverse transfer designed circuit.Among the application embodiment display screen being carried out bilateral scanning promptly comprises: forward scan and reverse scan; And for gate drivers and source class driver; When display screen is carried out forward scan; Gate drivers is to scan from top to bottom, and the source class driver is from left to right to scan.When display screen was carried out reverse scan, gate drivers was to scan from the bottom up, and the source class driver is to scan from right to left.
And gate drivers and source class driver are how display screen to be carried out bilateral scanning, then concrete row embodiment as follows.
Embodiment one:
In the present embodiment, a kind of driving circuit 602 has been described, as shown in Figure 2, comprising: M gate drivers 201 and N source electrode driver 202.
Wherein: M gate drivers 201 is connected with display screen 902, and each gate drivers comprises the first control pin in M gate drivers 201, the second control pin, the 3rd control pin, the 4th control pin.
Further, the first control pin is used to receive the forward scan control signal, and the second control pin is used to receive the reverse scan control signal.
Further, the 3rd control pin links to each other with the 4th control pin.
As shown in Figure 3; What Fig. 3 described is the pinouts of a gate drivers; Gate drivers in background technology has only the first control pin and the second control pin, and the gate drivers among Fig. 3 has increased two control pins newly on the basis of original gate drivers; Promptly the 3rd control pin and the 4th is controlled pin, and the 3rd control pin and the 4th control pin link to each other.
Further, annexation mutual between the gate drivers is described below, such as, in M gate drivers 201, transfer i gate drivers and i+1 gate drivers arbitrarily.
The 3rd control pin of the 4th control pin of i gate drivers and i+1 gate drivers is connected; The second control pin of the 4th control pin of M gate drivers 201 and M gate drivers 201 is connected, and promptly the 4th of last gate drivers the control pin and the second control pin of itself are connected.
At this moment, M is the integer more than or equal to 2, and i is more than or equal to 1 and less than the integer of M.
In the present embodiment; Display screen 902 is carried out bilateral scanning to be based on and to realize on the basis of at least two gate drivers; Shown in Fig. 4 A; Describe two gate drivers and the most simply connected situation, the situation of promptly above-mentioned M=2 and i=1, the 4th control pin of the 1st gate drivers the 3rd control pin and the 1st gate drivers links to each other; And the 3rd control pin of the 4th control pin of the 1st gate drivers and the 2nd gate drivers is connected, and the second control pin of the 4th control pin of the 2nd gate drivers and the 2nd gate drivers is connected.
Gone out outside the above-mentioned situation; In practical application; Also exist and use a gate drivers to carry out scan condition, when using a gate drivers to scan, then the 3rd of this gate drivers the control pin and the 4th control pin of itself are connected; And the 4th control pin of itself and the second control pin of itself are connected, and form a bars circuit.
In Fig. 4 A, when display screen 902 was carried out bilateral scanning, how each control pin specifically transmitted scan control signal, then as follows:
During forward scan:
The first control pin in the 1st gate drivers receives the forward scan control signal; Be transferred to the control of second in the 1st gate drivers pin then successively; The second control pin in the first control pin in the 2nd gate drivers, the 2nd gate drivers is realized forward scan.
Shown in Fig. 4 B; During for forward scan, the oscillogram of gate drivers, wherein; At first the 1st gate drivers can receive the forward scan control signal; Passing to the 2nd gate drivers then, the 2nd gate drivers also can receive the forward scan control signal, and demonstrates corresponding waveform.
During reverse scan:
When reverse scan, can apply to bypass circuit, wherein, bypass circuit is connected with each gate drivers in the said M gate drivers; The mode of scanning direction is to accept the reverse scan control signal through the 3rd control pin of the 1st gate drivers; The 4th control pin through the 1st gate drivers of bypass circuit bypass; The 3rd control pin of the 2nd gate drivers; The 4th control pin of the 2nd gate drivers is transferred to second of the 2nd gate drivers always and controls pin, and the second control pin since the 2nd gate drivers carries out reverse scan then; Until the first control pin of the 1st gate drivers, reverse scan finishes.
Shown in Fig. 4 C; During for reverse scan, the oscillogram of gate drivers, wherein; At first the 2nd gate drivers can receive the reverse scan control signal; Passing to the 1st gate drivers then, the 1st gate drivers also can receive the reverse scan control signal, and demonstrates corresponding waveform.
And when sending the reverse scan control signal; The all corresponding reverse scan control signal of each gate drivers; And the effect of bypass circuit is exactly when the 3rd control pin of the 1st gate drivers receives the reverse scan control signal corresponding with the 2nd gate drivers; Through 2 bypass circuits in 2 gate drivers, make the second control pin of the 2nd gate drivers receive corresponding reverse scan control signal.
And, it should be noted that all reverse scan control signals all are to control pin since the 3rd of the 1st gate drivers to transmit.
Above-mentioned two kinds of situation are bilateral scanning modes that present embodiment is directed against gate drivers; Carried out the most simply describing, and in actual conditions, can use more gate drivers; Concrete annexation is the same with above-mentioned annexation, and the application repeats no more.
Below, to introduce when gate drivers carries out bilateral scanning, how transmitting video data is given display to the source class driver:
Describe for ease, present embodiment uses two source class drivers to describe.
At first, the source class driver is connected with display screen 902.
When gate drivers forward scan, the source class driver is also carrying out forward scan, and the forward scan of source class driver is carried out to each gate drivers.
Control pin when first of above-mentioned the 1st gate drivers and receive the forward scan control signal; After the forward scan of the 1st row of completion display screen 902; Then the source class driver can from 1 to 2 can be opened the 1st source electrode driver and the 2nd source electrode driver successively; And pass through two source electrode drivers the 1st capable video Data Transmission is arrived display screen 902; Show for display screen 902, receive the forward scan control signal, after the forward scan of the 2nd row of completion display screen 902 and control pin when first of the 2nd gate drivers; The source class driver also can from 1 to 2 can be opened the 1st source electrode driver and the 2nd source electrode driver successively, and through two source electrode drivers with the video Data Transmission of the 2nd row to display screen 902.
Wherein, During reverse scan; Also relevant with bypass circuit, bypass circuit makes the second control pin of above-mentioned the 2nd gate drivers receive the reverse scan control signal, so that source class driver from 2 to 1 is opened each source electrode driver two source electrode drivers successively; And, show for display screen 902 through the display screen 902 that two source electrode drivers arrive the 2nd capable video Data Transmission.
Further; The second control pin at the 2nd gate drivers receives the reverse scan control signal; After the reverse scan of the 2nd row of completion display screen 902; The source class driver can from 2 to 1 be opened each source electrode driver two source electrode drivers successively, and through two source electrode drivers with the display screen 902 that the video Data Transmission of the 2nd row arrives, show for display screen 902.
The second control pin at the 1st gate drivers receives the reverse scan control signal; After the reverse scan of the 1st row of display screen 902; Source electrode driver also can from 2 to 1 be opened each source electrode driver two source electrode drivers successively; And, show for display screen 902 through the display screen 902 that two source electrode drivers arrive the 1st capable video Data Transmission.
The annexation of above-mentioned two source class drivers is as shown in Figure 5; In Fig. 5; Each source class driver comprises both direction control pin, and wherein first direction control pin of the second direction of the 1st source class driver control pin and the 2nd source class driver is connected, when display screen 902 is carried out forward scan; First direction control pin since the 1st source class driver; Through the second direction control pin of the 1st source class driver,, successively display is carried out forward scan being transferred to the first direction control pin of the 2nd source class driver; And after each gate drivers carries out forward scan, the video data of correspondence is imported in the display screen 902.
When display is carried out reverse scan; Second direction control pin since the 2nd source class driver; Through the first direction control pin of the 2nd source class driver,, successively display is carried out reverse scan being transferred to the second direction control pin of the 1st source class driver; And after each gate drivers carries out reverse scan, and the video data of correspondence imported in the display screen 902.
And further, each source electrode driver also comprises level control pin in the source electrode driver, can the level of each source electrode driver be set at high level or low level through level control pin, and be used to realize the transmitted in both directions of video data.
The level control pin here is the newly-increased pin of source electrode driver; Be used for the Controlling Source driver data latch direction; Realize the transmitted in both directions of video data with this, such as having realized forward scan when gate drivers, then this level control pin latchs the reverse video data of source electrode driver; Controlling Source driver forward transmitted video data; And realized reverse scan when gate drivers, then this level control pin latchs the video data of the forward of source electrode driver, Controlling Source driver reverse transfer video data.
And when source electrode driver carried out reverse scan, the image of scanning and the image of forward scan were inversion state, therefore; When being implemented in reverse scan; The user can be positive watch image, then through setting high-low level, come to add initial high level signal to the second control pin of last source electrode driver to level control pin; Source electrode driver latchs direction then for oppositely latching at this moment; Cooperate data register, change data storage and transmission manner, thereby realized the effect of the forward demonstration of image.
The above-mentioned transmission mode of having described gate drivers and source class driver respectively, the description gate drivers of following mask body and source electrode driver are how to join together display screen 902 is carried out bilateral scanning.
Embodiment two:
In embodiment two, a kind of display screen 902 has been described, as shown in Figure 6, comprise display unit 601, the driving circuit of describing among the embodiment one 602, time schedule controller 603 and N data register 604.
Wherein, driving circuit 602 is connected with display unit 601, and driving circuit 602 comprises M gate drivers 201 and N source electrode driver 202, and M is the integer more than or equal to 2, and N is the integer more than or equal to 1.
Further, time schedule controller 603 comprises: forward scan control signal pin and reverse scan control signal pin.
The first control pin of the 1st gate drivers in further, forward scan control signal pin and M the gate drivers 201 is connected.Reverse scan control signal pin is connected with the 3rd control pin of the 1st gate drivers in M the gate drivers 201.
Further, time schedule controller 603 also comprises first resistance 6031 and second resistance 6032.
Further, first resistance 6031 is connected between the first control pin of forward scan control signal pin and the 1st gate drivers.Second resistance 6032 is connected between the 3rd control pin of reverse scan control signal pin and the 1st gate drivers.
The concrete structure of above-mentioned time schedule controller 603 is as shown in Figure 7; Wherein, The forward scan control signal pin of time schedule controller 603 is connected with first resistance 6031; And is connected through the first control pin of first resistance 6031 and the 1st gate drivers, and reverse scan control signal pin is connected with second resistance 6032, and passes through the 3rd the controlling pin and be connected of the 1st gate drivers in second resistance 6032 and M the gate drivers 201.
N data register 604, corresponding one by one with N source electrode driver 202, wherein, j source electrode driver is connected with j data register in N the data register 604 in N source electrode driver 202, and wherein, j is more than or equal to 1 integer smaller or equal to N.
Wherein, under the control of forward scan control signal, through driving circuit 602, can with the capable video data of i be presented at i on the display unit 601 capable on; Under the control of reverse scan control signal, through driving circuit 602, can with the capable video data of i be presented at the M-i+1 of display unit 601 capable on.
Describe with concrete example below.
Suppose to have the display screen 902 of a 5*4, shown personage's picture, this personage sheet is that forward is placed in display screen 902; This display has 5 row, 4 row, and as shown in Figure 8, gate drivers is connected display; To the scanning of display, the source class driver also is connected with display, with ' row ' display screen 902 is scanned with ' OK '; The gate drivers that then needs is 5; The source class driver that needs is 4, and the relation of the description among the similar above-mentioned Fig. 4 A of the annexation of 5 gate drivers, the annexation of similar above-mentioned Fig. 5 of annexation of source class driver.
When display screen 902 was carried out forward scan, gate drivers was to scan from top to bottom, and the source class driver is from left to right to scan.
When display screen 902 is carried out forward scan; The first control pin of the 1st gate drivers is accepted a forward scan control signal, accomplishes the scanning to display screen 902 the 1st row, and this moment; 4 source class drivers can be opened successively; Transfer the video data in the data register through correspondence, the 1st capable video Data Transmission is shown in display screen 902, such as the 1st row demonstration is personage's hair; Then after the forward scan through gate drivers and source class driver, personage's hair can be presented in the display screen 902.
Further, after the scanning that has curved the 1st row, this forward scan control signal then can send the first control pin of the 2nd gate drivers to; Completion is to the scanning of display screen 902 the 2nd row; And this moment, 4 source class drivers can be opened successively, transfer the video data in the data register through correspondence; The video Data Transmission of the 2nd row is shown in display screen 902; What show such as the 2nd row be personage's forehead, then passes through after the forward scan of gate drivers and source class driver, and personage's forehead also can be presented in the display screen 902.
Scanning successively, after the 5th gate drivers scanned display screen 902, such as the 5th behavior personage's pin, after the video Data Transmission of the 5th row was in the display screen 902, complete character image then can be presented in the display screen 902.
When display screen 902 was carried out reverse scan, gate drivers was to scan from the bottom up, and the source class driver is to scan from right to left.
When display screen 902 was carried out reverse scan, the 3rd control pin of the 1st gate drivers was accepted a reverse scan control signal, and the effect through bypass circuit; This reverse scan control signal is sent to second of the 5th gate drivers controls pin, make the 5th gate drivers at first begin display screen 902 is scanned, and this moment; 4 source class drivers can be opened successively, transfer the video data in the data register through correspondence, and the 5th capable video Data Transmission is shown in display screen 902; And different with above-mentioned forward scan here be, because reverse scan is the 5th row video data from display screen 902 and begins scanning that the pin that then can scan character image earlier begins scanning; Scan down like this; The image that need be presented on the display screen 902 with script is opposite, at this moment, just need oppositely be stored in video data in the data register; And the effect of the control of the level through existing in source electrode driver pin; The video data that is about to originally be presented in the 1st row is shown in the 5th row, by that analogy, complete character image is presented in the display screen 902.
And in embodiment three, also announced a kind of electronic equipment, and wherein as shown in Figure 9, comprise a video data processing unit 901; Display screen 902 is connected with video data processing unit 901, and wherein, it is capable that display screen 902 has a M, and M is the integer more than or equal to 2.
Further, when display screen 902 forwards are placed, can will be presented at from the capable video data of i of video data processing unit 901 i of display screen 902 capable on; Display screen 902 when being inverted, can will be presented at from the capable video data of i of video data processing unit 901 M-i+1 of display screen 902 capable on.
Through one or more embodiment of the present invention, can realize following technique effect:
At first, through add the control pin at gate drivers, reach bypass circuit and make the technical scheme among the application can realize reverse scan, and need not use a large amount of extra shift registers.
Secondly, gate drivers carries out forward scan from the first control pin and the second control pin to display screen through accepting the forward scan control signal of time schedule controller; And through accepting the reverse scan control signal of time schedule controller; From this signal to the second control pin of the 3rd control pin bypass; Since the second control pin display screen is carried out reverse scan, to realize the bilateral scanning of display screen, the cabling that only need change gate drivers just can be realized the bilateral scanning of display screen; Cost is low, good stability.
Once more, when gate drivers carries out reverse scan,, and cooperate data register to realize the reverse transfer of data, can reach the time, realize the technique effect that forward is watched the display screen reverse scan through the change of high-low level on the source class driver.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, belong within the scope of claim of the present invention and equivalent technologies thereof if of the present invention these are revised with modification, then the present invention also is intended to comprise these changes and modification interior.
Claims (8)
1. a driving circuit is characterized in that, comprising:
M gate drivers is connected with a display screen, and wherein, each gate drivers comprises the first control pin in the said M gate drivers, the second control pin, the 3rd control pin, the 4th control pin; Wherein, the said first control pin is used to receive the forward scan control signal, and the said second control pin is used to receive the reverse scan control signal; Said the 3rd control pin links to each other with said the 4th control pin; The 3rd control pin of the 4th control pin of i gate drivers and i+1 gate drivers is connected; The second control pin of the 4th control pin of said M gate drivers and said M gate drivers is connected; Said M is the integer more than or equal to 2, and said i is more than or equal to 1 and less than the integer of M;
N source electrode driver is connected with said display screen, and wherein N is the integer more than or equal to 1;
Wherein, When the first control pin of said i gate drivers receives said forward scan control signal; Open each source electrode driver the said N source electrode driver successively from 1 to N; And through a said N source electrode driver video Data Transmission that i is capable to said display screen, show for said display screen;
Wherein, When the second control pin of said i gate drivers receives the reverse scan control signal; Open each source electrode driver the said N source electrode driver successively from N to 1; And, show for said display screen through the said display screen that the said N source electrode driver video Data Transmission that M-i+1 is capable arrives.
2. driving circuit as claimed in claim 1 is characterized in that, each gate drivers also comprises in the said M gate drivers:
Bypass circuit is connected with each gate drivers in the said M gate drivers;
Wherein, When the 3rd control pin of said the 1st gate drivers receives the reverse scan control signal corresponding with i gate drivers; Through M bypass circuit in the said M gate drivers; Make the second control pin of i+1 gate drivers receive said reverse scan control signal; So that open each source electrode driver the said N source electrode driver successively, and, show for said display screen through the said display screen that the said N source electrode driver video Data Transmission that M-i+1 is capable arrives from N to 1.
3. driving circuit as claimed in claim 1; It is characterized in that; Each source electrode driver also comprises in the said N source electrode driver: level control pin; Can the level of said each source electrode driver be set at high level or low level through said level control pin, latchs said video data, when first of said i gate drivers controlled pin and received said forward scan control signal; Video Data Transmission i is capable through a said N source electrode driver arrives said display screen, shows for said display screen; Or
When the second control pin of said i gate drivers received the reverse scan control signal, the said display screen through the said N source electrode driver video Data Transmission that M-i+1 is capable arrives showed for said display screen.
4. a display screen is characterized in that, comprising:
Display unit;
Like the described driving circuit of arbitrary claim among the claim 1-3, be connected with said display unit, wherein, said driving circuit comprises M gate drivers and N source electrode driver, and M is the integer more than or equal to 2, and N is the integer more than or equal to 1;
Time schedule controller is connected with a said M gate drivers, is used to generate the forward scan control signal or the reverse scan control signal of the said M of a control gate drivers;
Wherein, under the control of said forward scan control signal, through said driving circuit, can with the capable video data of i be presented at i on the said display unit capable on; Under the control of said reverse scan control signal, through said driving circuit, can with the capable video data of i be presented at the M-i+1 of said display unit capable on.
5. display screen as claimed in claim 4 is characterized in that, said time schedule controller comprises:
Forward scan control signal pin is connected with the first control pin of the 1st gate drivers in the said M gate drivers;
Reverse scan control signal pin is connected with the 3rd control pin of the 1st gate drivers in the said M gate drivers.
6. display screen as claimed in claim 4 is characterized in that, said time schedule controller also comprises:
First resistance is connected between the first control pin of said forward scan control signal pin and said the 1st gate drivers;
Second resistance is connected between the 3rd control pin of said reverse scan control signal pin and said the 1st gate drivers.
7. display screen as claimed in claim 4 is characterized in that, said display screen also comprises:
N data register, corresponding one by one with a said N source electrode driver, wherein, j source electrode driver is connected with j data register in said N the data register in the said N source electrode driver, and wherein, j is more than or equal to 1 integer smaller or equal to N.
8. an electronic equipment is characterized in that, comprising:
One video data processing unit;
Like the described display screen of arbitrary claim among the claim 4-7, be connected with said video data processing unit, wherein, it is capable that said display screen has a M, and M is the integer more than or equal to 2;
Wherein, when said display screen forward is placed, can will be presented at from the capable video data of i of said video data processing unit the i of said display screen capable on;
Said display screen when being inverted, can will be presented at from the capable video data of i of said video data processing unit the M-i+1 of said display screen capable on.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210111944.7A CN102622988B (en) | 2012-04-16 | 2012-04-16 | Drive circuit, display screen and electronic equipment |
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| CN201210111944.7A CN102622988B (en) | 2012-04-16 | 2012-04-16 | Drive circuit, display screen and electronic equipment |
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| CN102622988A true CN102622988A (en) | 2012-08-01 |
| CN102622988B CN102622988B (en) | 2014-01-15 |
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| US20030184512A1 (en) * | 2002-03-26 | 2003-10-02 | Shunsuke Hayashi | Shift register and display device using same |
| CN1674074A (en) * | 2004-03-24 | 2005-09-28 | 三星Sdi株式会社 | Light emitting display and driving method thereof |
| CN101625495A (en) * | 2009-08-18 | 2010-01-13 | 友达光电股份有限公司 | Display device with bidirectional scanning mechanism and grid signal scanning method thereof |
| US20120050234A1 (en) * | 2010-08-25 | 2012-03-01 | Hwan-Soo Jang | Bi-directional scan driver and display device using the same |
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2012
- 2012-04-16 CN CN201210111944.7A patent/CN102622988B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030184512A1 (en) * | 2002-03-26 | 2003-10-02 | Shunsuke Hayashi | Shift register and display device using same |
| CN1674074A (en) * | 2004-03-24 | 2005-09-28 | 三星Sdi株式会社 | Light emitting display and driving method thereof |
| CN101625495A (en) * | 2009-08-18 | 2010-01-13 | 友达光电股份有限公司 | Display device with bidirectional scanning mechanism and grid signal scanning method thereof |
| US20120050234A1 (en) * | 2010-08-25 | 2012-03-01 | Hwan-Soo Jang | Bi-directional scan driver and display device using the same |
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| CN102622988B (en) | 2014-01-15 |
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Address after: 266100 Zhuzhou Road, Laoshan District, Shandong, No. 151, No. Patentee after: Hisense Visual Technology Co., Ltd. Address before: 266100 Zhuzhou Road, Laoshan District, Shandong, No. 151, No. Patentee before: QINGDAO HISENSE ELECTRONICS Co.,Ltd. |