JP5162811B2 - Electro-optical device, driving method of electro-optical device, and electronic apparatus - Google Patents

Description

  The present invention relates to an electro-optical device and an electronic apparatus.

  An active matrix liquid crystal display device is known as an electro-optical device. The active matrix liquid crystal display device includes a plurality of scanning lines, a plurality of data lines substantially orthogonal to the scanning lines, and a plurality of pixel circuits provided corresponding to the intersections of the scanning lines and the data lines. 1 substrate, a second substrate provided to face the first substrate, and a liquid crystal that is an electro-optical material provided between the first substrate and the second substrate. ing.

  The liquid crystal is driven by applying a voltage as an image signal from the pixel electrode of the pixel circuit on the first substrate and the common electrode on the second substrate. As the above-mentioned voltage, there are a DC voltage and an AC voltage, but when the liquid crystal is driven with the DC voltage, it causes image sticking. For this reason, the liquid crystal is driven with an alternating voltage. A simple method for driving liquid crystal with this AC voltage is to use a positive image signal having a higher potential than the common electrode (hereinafter referred to as positive polarity) with the common electrode potential as a reference potential, and a common electrode. There is a frame inversion driving method in which a negative-polarity image signal having a lower potential (hereinafter referred to as negative-polarity) is alternately supplied to each data line every frame.

  However, in the frame inversion driving method, flickering of the screen called flicker occurs. This is because the polarity of the pixel electrode that applies the image signal to the liquid crystal has a positive polarity that appears alternately every frame due to a slight shift in the optical characteristics of the liquid crystal depending on whether the polarity is positive or negative. This is because there is a difference in image brightness between the negative frame and the negative frame.

  In order to suppress this flicker, the 1H inversion driving method in which the positive image signal and the negative image signal are alternately supplied to each data line for each horizontal line, or the dots to be supplied to each data line alternately for each pixel. An inversion driving method is used. In these methods, since a positive pixel electrode and a negative pixel electrode coexist in one frame, flicker can be canceled and flicker can be suppressed.

  However, the 1H inversion driving method and the dot inversion driving method are advantageous in that flicker can be suppressed, but there is a problem in that the number of times of inverting the polarity of the image signal increases, resulting in an increase in power consumption.

  For this reason, an electro-optical device (for example, see Patent Document 1) that suppresses power consumption while suppressing flicker is shown. In this electro-optical device, a plurality of data lines are defined as blocks of p lines (p is a natural number of 2 or more), and a positive polarity image signal and a negative polarity image signal are alternately supplied to each data line for each block. A method (hereinafter referred to as a block inversion driving method) is employed.

According to this, since the positive pixel electrode and the negative pixel electrode are mixed in one frame, the flicker can be offset and the flicker can be suppressed. In addition, since an increase in the number of times of reversing the polarity of the image signal can be suppressed, an increase in power consumption can be suppressed.
JP 2004-258485 A

  By the way, there is a problem that contrast is lowered at the boundary between the pixel electrodes having different polarities due to the influence of disclination. In the 1H inversion driving method, the dot inversion driving method, and the block inversion driving method, there are many boundaries between the pixel electrodes having different polarities. In particular, in the dot inversion driving method, since there are many boundaries, the influence of disclination is large, and the reduction in contrast is a problem.

  The present invention has been made in view of the above-described circumstances, and can suppress the decrease in contrast by suppressing the influence of disclination while suppressing the seizure of the electro-optical material, flicker, and the increase in power consumption. An object is to provide an electro-optical device and an electronic apparatus.

  In order to solve the above problems, the present invention provides the following.

  The electro-optical device according to the aspect of the invention is an electro-optical device having pixels provided corresponding to intersections of a plurality of scanning lines and a plurality of data lines, wherein the pixel electrode provided in the pixel and the data line are A common electrode is formed so as to be connected to the pixel electrode in response to a control signal from the scanning line and face the pixel electrode. A data line driving circuit that supplies a negative-side image signal on the potential side to the data line via a multiplexer unit circuit controlled by a plurality of lines; and the data line driving circuit includes the pixel electrode in the multiplexer unit circuit. 2 or more adjacent to each other in the direction in which the scanning line and the data line extend have the same polarity and are controlled at a boundary between different multiplexer unit circuits. Characterized in that the supplies of the positive and negative image signals to have the same polarity.

According to the present invention, the positive image signal is written to the pixel electrode through the data line in the following procedure.
First, a control signal is supplied to the scanning line to turn on the switching element. Next, an image signal having a potential higher than that of the common electrode is supplied from the data line driver circuit to the data line, and is written to the pixel electrode through the switching element. Thereby, a potential difference between the potential of the common electrode and the potential written to the pixel electrode is applied to the liquid crystal.

Further, a negative image signal is written to the pixel electrode through the data line in the following procedure.
First, a control signal is supplied to the scanning line to turn on the switching element. Next, an image signal having a potential lower than that of the common electrode is supplied from the data line driving circuit to the data line, and is written into the pixel electrode through the switching element. Thereby, a potential difference between the potential of the common electrode and the potential written to the pixel electrode is applied to the liquid crystal.

  In the multiplexer unit circuit, two or more of the plurality of pixel electrodes adjacent in the direction in which the scanning line and the data line extend have the same polarity. Thereby, since an image signal of an alternating voltage can be written to the pixel electrode, it is possible to prevent the electro-optical material from being burned. In addition, since the number of times of polarity inversion can be reduced, an increase in power consumption can be suppressed. In addition, since the number of boundaries between the pixel electrodes having different polarities can be reduced, the influence of disclination between pixels can be suppressed, and a decrease in contrast can be suppressed. Furthermore, by mixing a positive pixel electrode and a negative pixel electrode in one frame, flicker can be offset and flicker can be suppressed.

  In addition, among the plurality of pixel electrodes, those controlled at the boundaries of different multiplexer unit circuits have the same polarity. As a result, it is possible to eliminate the boundary between the plurality of pixel electrodes that are adjacent to each other in the direction in which the scanning line extends and are controlled by different multiplexer unit circuits and that have different polarities. The influence of disclination between them can be suppressed, and the reduction in contrast can be suppressed.

  In the above electro-optical device, the data line driving circuit supplies the positive and negative image signals so that the pixel electrodes have the same polarity in at least two consecutive frames. It is preferable.

  According to the present invention, the pixel electrodes have the same polarity in at least two consecutive frames. Thereby, since the frequency | count of polarity inversion can be reduced, the increase in power consumption can be suppressed more.

  In the electro-optical device described above, it is preferable that the data line driving circuit supplies the positive and negative image signals so that a boundary between the pixel electrodes having different polarities changes in units of frames. .

If the boundary between the pixel electrodes having different polarities among the plurality of pixel electrodes is fixed between the same pixel electrodes, there is a possibility that block unevenness may occur or the electro-optical material may be burned out.
Therefore, according to the present invention, the positive and negative image signals are supplied so that the boundaries between the pixel electrodes having different polarities change in units of frames. Thereby, in a continuous frame, it can prevent that the boundary of what has a different polarity among several pixel electrodes is fixed between the same pixel electrodes, and can prevent block nonuniformity and the electro-optical substance from burning.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the following description of the embodiments, the same constituent elements are denoted by the same reference numerals, and the description thereof is omitted or simplified.

<1. First Embodiment>
FIG. 1 is a plan view of an electro-optical device 1 according to the first embodiment of the present invention. The electro-optical device 1 includes an element substrate in which thin film transistors (hereinafter referred to as TFTs) 43 serving as switching elements are arranged in a matrix, a counter substrate disposed to face the element substrate, and the element substrate and the counter substrate between the element substrate and the counter substrate. And a liquid crystal provided.
A data line driving circuit 30 having a pixel matrix 10, a scanning line driving circuit 20, and a multiplexer 31 is formed on the element substrate.

The pixel matrix 10 is provided with m scanning lines Y1 to Ym (m is a natural number of 2 or more) provided at predetermined intervals and at predetermined intervals so as to be substantially orthogonal to the scanning lines Y1 to Ym. N data lines X1 to Xn (n is a natural number of 2 or more) and m common lines Z1 to Zm provided in parallel and alternately with the scanning lines Y1 to Ym are formed. At the intersection of each scanning line Y and each data line X, a pixel circuit 40 having the above-described TFT 43, pixel electrode 41, and storage capacitor 44 is provided.
The scanning line Y is connected to the gate of the TFT 43, the data line X is connected to the source of the TFT 43, and the pixel electrode 41 and the storage capacitor 44 are connected to the drain of the TFT 43.

  A display area (not shown) in which a plurality of pixels are arranged is formed on the counter substrate, and each pixel is a sub-filter composed of three types of color filters of R (red), G (green), and B (blue). Consists of pixels.

  Each pixel includes a pixel electrode 41, a common electrode 42 formed on the counter substrate, and a liquid crystal 45 provided between these electrodes. Accordingly, the pixel matrix 10 is configured by arranging a plurality of pixels in a matrix.

The scanning line driving circuit 20 drives each scanning line Y of the pixel matrix 10, and the data line driving circuit 30 drives each data line X of the pixel matrix 10.
Specifically, the scanning line driving circuit 20 supplies a control signal to each scanning line Y in a pulse-sequential manner. Thereby, when a control signal is supplied to a certain scanning line Y, the TFT 43 connected to the scanning line Y is turned on, and all the pixels corresponding to the scanning line Y are selected.

  Further, the data line driving circuit 30 sequentially applies image signals to the data lines X. As a result, image signals are sequentially supplied to the data lines X, and the image signals are sequentially written to the pixel electrodes 41 of the respective pixels via the TFTs 43 in the on state. The voltage of the pixel electrode 41 is held by the storage capacitor 44 for a period longer by three digits than the period during which the image signal is written.

  Here, by changing the voltage level of the image signal, the orientation and order of the liquid crystal change according to the applied voltage, so that gradation display by light modulation of each pixel becomes possible. For example, the amount of light passing through the liquid crystal decreases as the applied voltage increases in the normally white mode, and increases as the applied voltage increases in the normally black mode. Therefore, light having contrast according to the image signal is emitted from each pixel, and an image is displayed.

FIG. 2 is a block diagram of the data line driving circuit 30.
The multiplexer 31 constituting the data line driving circuit 30 includes multiplexer unit circuits M1 to Ms that collectively control three data lines X. Here, s is a natural number of 2 or more. The three data lines X grouped together correspond to R (red), G (green), and B (blue) sub-pixels, respectively.

  The multiplexer unit circuits M1 to Ms include first, second, and third switching elements 51, 52, and 53, respectively. One terminals of the first to third switching elements 51 to 53 are all connected to the input terminal SI, and the other terminals are connected to the output terminals SOR, SOG, and SOB, respectively. The output terminals SOR, SOG, and SOB are connected to data lines X of R (red), G (green), and B (blue), respectively. That is, each of the multiplexer unit circuits M1 to Ms supplies an image signal to each of R (red), G (green), and B (blue) subpixels.

An image signal obtained by mixing image data of R (red), G (green), and B (blue) colors is supplied to the input terminal SI.
A control signal for selecting one of the first to third switching elements 51 to 53 is supplied to the control terminals SS of the first to third switching elements 51 to 53.

The above multiplexer 31 operates as follows.
An image signal is supplied to the input terminals SI of the multiplexer unit circuits M1 to Ms, and a control signal is supplied to the control terminal SS.
Then, the first to third switching elements 51 to 53 are sequentially turned on according to the control signal. Specifically, when the first switching element 51 is turned on, the image signal input from the input terminal SI is supplied to the R (red) data line X1. When the second switching element 52 is turned on, the image signal input from the input terminal SI is supplied to the G (green) data line X2. When the third switching element 53 is turned on, the image signal input from the input terminal SI is supplied to the B (blue) data line X3.
Thereby, the data lines X of the respective colors R (red), G (green), and B (blue) can be sequentially selected, and an image signal can be supplied to the selected data line X.

The data line driving circuit 30 described above receives, for each pixel electrode 41, a positive polarity image signal that is higher than the potential of the common electrode 42 or a negative polarity image signal that is lower than the potential of the common electrode 42. Supply to the data line X.
Specifically, in the data line driving circuit 30, in the multiplexer unit circuit, two or more adjacent ones of the plurality of pixel electrodes 41 in the direction in which the scanning line Y and the data line X extend have the same polarity and are different. The positive and negative image signals are supplied to the data line X so that the signals controlled at the boundaries of the multiplexer unit circuits M1 to Ms have the same polarity.

FIG. 3 is a schematic diagram showing the polarities of a plurality of pixel electrodes in one frame. In FIG. 3, three data lines X are controlled by each of the above-described multiplexer unit circuits M1 to Ms. For example, the data lines X1, X2, and X3 are controlled by the multiplexer unit circuit M1 in FIG.
In FIG. 3, the symbols “+” and “−” indicate the polarity of the pixel electrode corresponding to the intersection of the scanning line Y and the data line X. Specifically, the symbol “+” indicates that the pixel electrode is positive. The symbol “−” indicates that the pixel electrode has a negative polarity.

In FIG. 3, in the multiplexer unit circuit, two or more of the plurality of pixel electrodes adjacent in the direction in which the scanning line Y and the data line X extend have the same polarity.
For example, when attention is paid to the pixel electrode related to the scanning line Y (a + 1), the pixel electrodes 41A, 41B, and 41C corresponding to the intersections with the data lines X3, X4, and X5 have positive polarity, and X6, X7, and X8 The pixel electrodes 41D, 41E, and 41F corresponding to the intersection are negative. Accordingly, in the multiplexer unit circuit M2, two of the pixel electrodes 41B, 41C, and 41D adjacent to each other in the direction in which the scanning line Y (a + 1) extends have the same polarity.
For example, when attention is paid to the pixel electrode related to the data line X10, the pixel electrodes 41G and 41H corresponding to the intersections with the scanning lines Ya and Y (a + 1) are positive, and the scanning lines Y (a + 2) and Y ( The pixel electrodes 41I and 41J corresponding to the intersection with a + 3) have a negative polarity. Accordingly, in the multiplexer unit circuit M4, among the pixel electrodes adjacent in the direction in which the data line X10 extends, the two pixel electrodes 41G and 41H and the pixel electrodes 41I and 41J have the same polarity.

Among the plurality of pixel electrodes, those controlled at the boundaries of different multiplexer unit circuits have the same polarity.
For example, when attention is paid to the pixel electrodes related to the data lines X6 and X7, the pixel electrodes 41D and 41E corresponding to the intersection with the scanning line Y (a + 1) are both negative, and the scanning line Y (a + 2) The pixel electrodes 41K and 41L corresponding to the intersection are both positive. Since the data lines X6 and X7 are controlled by the multiplexer unit circuits M2 and M3 in FIG. 2, respectively, the pixel electrodes 41D and 41E and the pixel electrodes 41K and 41L controlled by different multiplexer unit circuits M1 and M2 are Each has the same polarity.

FIG. 4 is a schematic diagram illustrating the polarity of the pixel electrode related to the scanning line Ya in a plurality of consecutive frames. In FIG. 4, three data lines X are controlled by each of the multiplexer unit circuits M1 to Ms described above. For example, the data lines X1, X2, and X3 are controlled by the multiplexer unit circuit M1 in FIG.
In FIG. 4, the symbols “+” and “−” indicate the polarity of the pixel electrode corresponding to the intersection of the scanning line Y and the data line X. Specifically, the symbol “+” indicates that the pixel electrode is positive. The symbol “−” indicates that the pixel electrode has a negative polarity.

In FIG. 4, each pixel electrode has the same polarity in at least two consecutive frames.
For example, when attention is paid to the pixel electrode corresponding to the intersection of the scanning line Ya and the data line X6, the pixel electrodes 41M and 41N in the J-th frame and the J + 1-th frame have a negative polarity, and the pixel electrodes in the J + 2-th frame and the J + 3-th frame 41P and 41Q are positive polarity. Here, J is a natural number. The pixel electrodes 41M, 41N, 41P, and 41Q described above are different in frame, but are the same pixel electrode, and thus have the same polarity in two frames in which the pixel electrodes are continuous.

In addition, the boundaries of the pixel electrodes having different polarities are changed in units of frames.
For example, when attention is paid to the pixel electrode related to the scanning line Ya in the J-th frame, the pixel electrodes 41R and 41S corresponding to the intersections with the data lines X10 and X11 are positive and negative, respectively. That is, in the J-th frame, the boundary between the pixel electrodes having different polarities is between the pixel electrodes 41R and 41S.
On the other hand, paying attention to the pixel electrode related to the scanning line Ya in the J + 1 frame, the pixel electrodes 41T and 41U corresponding to the intersections with the data lines X11 and X12 are positive and negative, respectively. That is, in the J + 1 frame, the boundary between pixel electrodes having different polarities is between the pixel electrodes 41T and 41U.
Therefore, the boundary between pixel electrodes having different polarities is changed by changing from the J frame to the J + 1 frame.

According to this embodiment, there are the following effects.
(1) In the multiplexer unit circuit, two or more adjacent ones of the plurality of pixel electrodes in the direction in which the scanning line Y and the data line X extend have the same polarity. Thereby, since an image signal of an alternating voltage can be written to the pixel electrode, it is possible to prevent the electro-optical material from being burned. In addition, since the number of times of polarity inversion can be reduced, an increase in power consumption can be suppressed. In addition, since the number of boundaries between the pixel electrodes having different polarities can be reduced, the influence of disclination between pixels can be suppressed, and a decrease in contrast can be suppressed. Furthermore, by mixing a positive pixel electrode and a negative pixel electrode in one frame, flicker can be offset and flicker can be suppressed.

  (2) Among the plurality of pixel electrodes, those controlled at the boundaries of different multiplexer unit circuits have the same polarity. As a result, it is possible to eliminate the boundary between the pixel electrodes that are adjacent to each other in the direction in which the scanning line Y extends and are controlled by different multiplexer unit circuits and that have different polarities. The influence of disclination between the electrodes can be suppressed, and a decrease in contrast can be suppressed.

  (3) Each of the plurality of pixel electrodes has the same polarity in at least two consecutive frames. Thereby, since the frequency | count of polarity inversion can be reduced, the increase in power consumption can be suppressed more.

  (4) The boundaries between pixel electrodes having different polarities change in units of frames. Thereby, in a continuous frame, it can prevent that the boundary of what has a different polarity among several pixel electrodes is fixed between the same pixel electrodes, and can prevent block nonuniformity and the electro-optical substance from burning.

<2. Second Embodiment>
FIG. 5 is a block diagram of a data line driving circuit 30A according to the second embodiment of the present invention. The data line driving circuit 30A is different from the data line driving circuit 30 in FIG. 2 in the configuration of the multiplexer.

  The multiplexer 31A includes multiplexer unit circuits N1 to Nt that collectively control six data lines X. Here, t is a natural number of 2 or more. Specifically, the multiplexer unit circuits N1 to Nt are obtained by integrating two multiplexer unit circuits M1 to Ms of the first embodiment.

  FIG. 6 is a schematic diagram showing the polarities of a plurality of pixel electrodes in one frame. 6 differs from FIG. 3 in that six data lines X are controlled by each of the multiplexer unit circuits N1 to Nt described above.

  FIG. 7 is a schematic diagram showing the polarities of a plurality of pixel electrodes in a plurality of consecutive frames. 7 differs from FIG. 4 in that six data lines X are controlled by each of the above-described multiplexer unit circuits N1 to Nt.

According to the present embodiment, in addition to the above (1) to (4), there are the following effects.
(5) The data line driving circuit 30 according to the first embodiment is configured to include the multiplexer unit circuits M1 to Ms that collectively control the three data lines X, but the data line according to the present embodiment. The drive circuit 30A includes multiplexer unit circuits N1 to Nt that collectively control six data lines X at a time. Therefore, when controlling the same number of data lines X, the data line driving circuit 30A has fewer multiplexer unit circuits than the data line driving circuit 30.

<3. Modification>
In addition, this invention is not limited to the above-mentioned embodiment, The deformation | transformation in the range which can achieve the objective of this invention, improvement, etc. are included in this invention.
For example, three of the plurality of pixel electrodes adjacent to each other in the direction in which the scanning line extends and two adjacent to each other in the direction in which the data line extends have the same polarity. May be of the same polarity.

  In each of the above-described embodiments, the present invention is applied to the electro-optical device 1 using liquid crystal. However, the present invention is not limited to this, and can be applied to an electro-optical device using an electro-optical material other than liquid crystal. An electro-optical material is a material whose optical characteristics such as transmittance and luminance change when an electric signal (current signal or voltage signal) is supplied. For example, a display panel using an OLED element such as an organic EL (Electro Luminescent) or a light emitting polymer as an electro-optical material, or a microcapsule containing a colored liquid and white particles dispersed in the liquid is used as an electro-optical material. The electrophoretic display panel used, the twist ball display panel using a twist ball painted differently for each region of different polarity as an electro-optical material, the toner display panel using black toner as an electro-optical material, or The present invention can be applied to various electro-optical devices such as a plasma display panel using a high-pressure gas such as helium or neon as an electro-optical material as in the above embodiment.

<4. Electro-optical device>
FIG. 8 is a perspective view illustrating the configuration of the electro-optical device 1 according to the above-described embodiment and the modification, and FIG. 9 is a ZZ ′ cross-sectional view in FIG.
The electro-optical device 1 is accommodated in a housing 400 (indicated by a broken line in FIG. 9). The electro-optical device 1 includes an element substrate 451 on which a pixel electrode 406 and the like are formed, a counter substrate 452 that is disposed opposite to the element substrate 451 and on which a common electrode 42 and the like are formed, and between the element substrate 451 and the counter substrate 452. And a backlight 450 as a light source for irradiating the liquid crystal 455 with light provided on the lower side of the element substrate 451 (on the opposite side of the counter substrate 452). The element substrate 451 is formed of glass, a semiconductor, or the like, and various circuits and the like are formed on the element substrate 451 using TFTs (Thin Film Transistors). The counter substrate 452 is formed of a transparent material such as glass.

  A seal member 454 for sealing a gap between the element substrate 451 and the counter substrate 452 is provided on the outer peripheral portion of the counter substrate 452. The seal member 454 forms a space in which the liquid crystal 455 is sealed together with the element substrate 451 and the counter substrate 452. A spacer 453 is mixed in the seal member 454 in order to maintain a distance between the element substrate 451 and the counter substrate 452. Note that an opening for sealing the liquid crystal 455 is formed in the seal member 454, and the opening is sealed with a sealing material 456 after the liquid crystal 455 is sealed.

  Here, a data line driving circuit 401 for driving a data line extending in the Y direction is formed on the surface of the element substrate 451 on the counter substrate 452 side and outside one side of the seal member 454. Further, a plurality of connection electrodes 457 are formed on one side, and various signals are input through the connection electrodes 457. Further, on both sides of the one side of the seal member 454, a scanning line driving circuit 402 for driving a scanning line, which will be described later, extending in the X direction is formed.

<5. Electronic equipment>
Next, an electronic apparatus to which the electro-optical device 1 according to the above-described embodiment is applied will be described. FIG. 10 shows a configuration of a mobile phone to which the electro-optical device 1 is applied. The cellular phone 3000 includes a plurality of operation buttons 3001, scroll buttons 3002, and the electro-optical device 1 as a display unit. By operating the scroll button 3002, the screen displayed on the electro-optical device 1 is scrolled.

1 is a plan view of an electro-optical device according to a first embodiment of the invention. 2 is a block diagram of a data line driving circuit according to the embodiment. FIG. It is a schematic diagram showing the polarity of a plurality of pixel electrodes in one frame concerning the embodiment. It is a schematic diagram showing the polarity of a plurality of pixel electrodes in a plurality of continuous frames concerning the embodiment. FIG. 6 is a block diagram of a data line driving circuit according to a second embodiment of the present invention. It is a schematic diagram showing the polarity of a plurality of pixel electrodes in one frame concerning the embodiment. It is a schematic diagram showing the polarity of a plurality of pixel electrodes in a plurality of continuous frames concerning the embodiment. It is a perspective view which shows the structure of the electro-optical apparatus 1 which concerns on the above-mentioned embodiment and modification. It is ZZ 'sectional drawing in FIG. It is a perspective view which shows the structure of the mobile telephone to which the above-mentioned electro-optical apparatus is applied.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Electro-optical device, 10 ... Pixel matrix, 20 ... Scanning line drive circuit, 30, 30A ... Data line drive circuit, 31, 31A ... Multiplexer, 41 ... Pixel electrode, 42 ... Common electrode, 43 ... TFT, X ... Data Line, Y: Scanning line.

Claims (3)

In an electro-optical device having a pixel provided corresponding to the intersection of a scanning line and a data line,
A pixel electrode provided in the pixel and connected to the data line via a switching element;
A common electrode facing the pixel electrode;
A data line driving circuit for supplying a high-potential-side positive image signal and a low-potential-side negative image signal to the data line with reference to the potential of the common electrode;
The data line driving circuit includes:
A multiplexer unit circuit that collectively controls three or more adjacent data lines of the data lines;
Through the multiplexer unit circuit,
Supplying either one of the positive image signal and the negative image signal to a part of the three or more adjacent data lines;
Supplying the other of the positive polarity image signal and the negative polarity image signal to the rest of the three or more adjacent data lines;
A data line controlled in addition to the other multiplexer unit circuit adjacent to the data line adjacent the data line adjacent to the data line controlled in multiplexer unit circuit among the three or more data lines, wherein the adjacent In contrast , even if the frame changes, the positive polarity image signal or the negative polarity image signal having the same polarity is supplied ,
The positive image signal and the negative image signal are supplied so that the boundary between the data line to which the positive image signal is supplied and the data line to which the negative image signal is supplied changes in units of frames. To
An electro-optical device. In a driving method of an electro-optical device having pixels provided corresponding to intersections of a plurality of scanning lines and a plurality of data lines,
The pixel electrode provided in the pixel and the data line are connected via a switching element according to a control signal from the scanning line,
The positive image signal on the high potential side and the negative image signal on the low potential side with respect to the potential of the common electrode formed facing the pixel electrode, and three or more adjacent data lines among the data lines Supply to the data line through a multiplexer unit circuit that collectively control,
Supplying one of the positive image signal and the negative image signal to a part of the three or more adjacent data lines controlled by the multiplexer unit circuit;
Supplying the other of the positive-polarity image signal and the negative-polarity image signal to the remainder of the three or more adjacent data lines controlled by the multiplexer unit circuit;
A data line adjacent to the data line controlled by the other multiplexer unit circuit among the three or more data lines, wherein adjacent data lines controlled by the other multiplexer unit circuit adjacent to the data lines where the adjacent In contrast , even if the frame changes, the positive polarity image signal or the negative polarity image signal having the same polarity is supplied ,
The positive image signal and the negative image signal are supplied so that the boundary between the data line to which the positive image signal is supplied and the data line to which the negative image signal is supplied changes in units of frames. A method for driving an electro-optical device. An electronic apparatus comprising the electro-optical device according to claim 1 .

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