JP3692809B2 - Electro-optical device and electronic apparatus - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an electro-optical device in which adverse effects due to coupling capacitance between regularly arranged pixel electrodes are reduced, and an electronic apparatus using the electro-optical device.
[0002]
[Prior art]
In general, an electro-optical device such as an active matrix type liquid crystal display device includes an element substrate in which non-linear (switching) elements are provided on each of regularly arranged pixel electrodes, and a counter substrate on which counter electrodes and the like are formed. And a liquid crystal filled between these two substrates. In such a configuration, when a selection signal is applied to the switching element via the scanning line, the switching element becomes conductive. In this conductive state, when a data signal corresponding to image data is applied to the pixel electrode via the data line, a predetermined charge is accumulated in the liquid crystal layer including the pixel electrode, the counter electrode, and the liquid crystal. Even if the switching element is turned off after the charge accumulation, if the resistance of the liquid crystal layer is sufficiently high, the charge accumulation in the liquid crystal layer is maintained. In this way, by controlling the amount of charge accumulated by driving each switching element, the alignment state of the liquid crystal changes for each pixel, and it becomes possible to display predetermined information. At this time, since charge may be accumulated for each liquid crystal layer during a certain period, each scanning line is selected in a time-sharing manner, so that the scanning lines and the data lines are shared by a plurality of pixels. Multiplex drive is possible.
[0003]
Here, the switching element is mainly classified into a three-terminal element such as a thin film transistor (TFT) and a two-terminal element such as a thin film diode (TFD). In the latter two-terminal type element, there is no intersection between the scanning line and the data line, so that a short circuit failure between wirings does not occur in principle, and the film forming process and the photolithography process can be shortened. It is considered advantageous.
[0004]
Among such two-terminal elements, the TFD element generally has a sandwich structure of a first metal film (conductor) / insulator / second metal film, and this structure provides a diode switching characteristic in both positive and negative directions. If a voltage equal to or higher than the threshold value is applied between both terminals, the conductive state is established. Of course, a configuration in which one pixel electrode is driven by such a single TFD element is good, but since it is necessary to drive an alternating current in order to prevent deterioration of the liquid crystal, the diode switching characteristics are in both positive and negative directions. It is required to be symmetric. Therefore, two TFD elements are connected in series in opposite directions to make the entire diode switching characteristic symmetric in both positive and negative directions.
[0005]
In addition, liquid crystal panels using TFD elements can be roughly divided into two types in terms of structure. One is a panel that provides a scanning signal to an element substrate on which a TFD element is formed, and the other is a panel that provides a data signal to the element substrate. Here, since tantalum (Ta) is often used for the wiring portion of the TFD element, and since the scanning line is extended in the lateral direction of the substrate, the former type panel which gives a scanning signal to the element substrate. Is called a “horizontal Ta” panel, while the data line is formed to extend in the horizontal direction of the substrate. Therefore, the latter-type panel for supplying a data signal to the element substrate is called a “vertical Ta” panel. Both have their own characteristics, but the “horizontal Ta” type panel can increase the aperture ratio, so that the transmittance (or reflectance) can be increased. This is because the pixels are generally made vertically long. Therefore, the “horizontal Ta” panel is advantageous in making a high-resolution panel. Therefore, the “lateral Ta” panel will be described below as an example.
[0006]
FIG. 11A is a plan view showing a layout for one pixel to which such a TFD element is applied, and FIG. 11B shows the structure of the TFD element along the line AA in FIG. It is sectional drawing shown along.
[0007]
The TFD element 220 shown in the figure includes a first TFD element 220a and a second TFD element 220b, and includes a substrate 200, an insulating film 201 formed on the surface, a first metal film 222, and a surface on the surface. An oxide film 224 which is an insulator formed by anodic oxidation and second metal films 226a and 226b which are formed on the surface and spaced apart from each other are formed. Further, the second metal film 226 a becomes the scanning line 212 as it is, while the second metal film 226 b is connected to the pixel electrode 234.
[0008]
Here, the first TFD element 220a becomes a second metal film 226a / oxide film 224 / first metal film 222 in order from the scanning line 212, and adopts a metal / insulator / metal sandwich structure. Therefore, it has positive and negative bidirectional diode switching characteristics. On the other hand, the second TFD element 220b is a first metal film 222 / oxide film 224 / second metal film 226b when viewed in order from the scanning line 212, and is a diode opposite to the first TFD element 220a. It will have switching characteristics. That is, since both diodes are connected in series in opposite directions, the current-voltage nonlinear characteristics are symmetric in both positive and negative directions compared to the case where one TFD element is used. It will be.
[0009]
Note that the cross section of the scanning line 212 is a first metal film 222, an oxide film 224, and a second metal film 226a, but the connection terminal (not shown) of the scanning line is only the uppermost second metal film 226a. In addition, since the capacitance of the scanning line 212 is larger than that of the TFD element, the scanning line 212 does not function as a TFD element.
[0010]
The element substrate 200 itself has insulation and transparency, and is made of, for example, glass or plastic. Here, the reason why the insulating film 201 is provided is to prevent the first metal film 222 from being peeled off from the base by heat treatment after the second metal film is deposited and to prevent impurities from diffusing into the first metal film 222. It is for doing so. Therefore, the insulating film 201 can be omitted when these do not cause a problem. The pixel electrode 234 is formed of a transparent conductive film such as ITO (Indium Tin Oxide) when the display is a transmissive type, and a metal having a high reflectance such as aluminum or silver when the display is a reflective type. Formed from a film.
[0011]
Then, as shown in FIG. 12, a plurality of pixels configured in this manner are arranged in a matrix at a constant pitch in the row direction (X direction) and the column direction (Y direction), and scanning in the row direction is performed. While the line 212 is shared, the data line 242 serving as the counter electrode is shared in the column direction. For convenience of explanation, when a general scanning line is described, the reference numeral is 212. When a specific scanning line is described, the reference numeral is 212y, and the adjacent scanning line is scanned. The line codes are 212 (y-1) and 212 (y + 1). Similarly, when a general data line is described, its code is set to 242. When a specific data line is described, its code is set to 242x and the code of the data line adjacent thereto is set. Are 242 (x-1) and 242 (x + 1). For example, a pixel located at the intersection of the data line 242x and the scanning line 212y is represented as (x, y).
[0012]
[Problems to be solved by the invention]
However, in the configuration as shown in FIG. 12, the adjacent pixel electrodes 234, in particular, the pixel electrodes 234 adjacent in the row direction are capacitively coupled, so that the original write potential fluctuates as follows. This adversely affects the density of the pixels.
[0013]
For example, when a selection signal is supplied to the scanning line 212y and a data signal is supplied to the data line 242 (x−1), the selection signal and the data signal are supplied to the pixel (x−1, y). The potential difference is applied. Therefore, writing according to this potential difference is performed in the pixel (x−1, y). Next, when a data signal is supplied to the data line 242x, a potential difference between the selection signal and the data signal is applied to the pixel (x, y), and writing according to the potential difference is performed. However, the potential transition at this time affects the pixel (x−1, y) that has already been written, and fluctuates the potential. That is, in the pixel (x−1, y), the voltage written according to the potential difference between the selection signal supplied to the scan line 212y and the data signal supplied to the data line 242 (x−1) Immediately after that, since it fluctuates due to writing to the adjacent pixel, it is not displayed at the original density. Such pixel density occurs in all pixels.
[0014]
The present invention has been made in view of the above problems, and an object of the present invention is to reduce the coupling capacitance between adjacent pixel electrodes, in particular, adjacent pixel electrodes in the row direction as much as possible, thereby achieving good display. It is an object of the present invention to provide an electro-optical device capable of performing the above and an electronic apparatus including the electro-optical device.
[0015]
[Means for Solving the Problems]
To achieve the above object, according to the present invention, there is provided an electro-optical device including a plurality of wiring lines, and a plurality of pixel electrodes arranged between the wiring lines adjacent to each other. An extension portion branched from one wiring line is disposed in a gap portion between pixel electrodes electrically connected to the one wiring line, and the pixel electrode electrically connected to the one wiring line An extension portion branched from the other wiring line adjacent to the one wiring line across the line is disposed in a gap portion between the pixel electrodes electrically connected to the one wiring line, The extension part of the wiring line and the extension part of the other wiring line face each other so as not to contact each other in the gap part between the pixel electrodes electrically connected to the one wiring line. Characterized in that it is arranged Te. According to this configuration, the coupling capacitance between the pixel electrodes for one row is reduced by the wiring line disposed in the gap portion.
[0016]
Here, in the present invention, the one wiring line is preferably a scanning line or a data line. According to this configuration, the coupling capacitance between adjacent pixel electrodes is reduced not only in the row direction but also in the column direction. Furthermore, since the capacitance of the pixel electrode itself increases, the coupling capacitance between the pixel electrodes decreases to a relatively negligible level.
[0017]
Further, in such a configuration, it is desirable that the one wiring line is disposed along at least three sides of the pixel electrode electrically connected to the one wiring line. As a result, while the coupling capacitance between the pixel electrode and the scanning line or data line connected thereto is reduced, the capacitance of the pixel electrode itself can be increased.
[0018]
On the other hand, in the present invention, it is preferable that the one wiring line is a scanning line, and the other wiring line is a scanning line selected before the scanning line. According to this configuration, since it is not necessary to provide wiring lines other than the scanning lines, the short circuit failure of the wiring is reduced and the aperture ratio is maintained.
[0019]
Further, in such a configuration, it is desirable that the other wiring line is disposed along at least three sides of the pixel electrode electrically connected to the one wiring line. As a result, while the coupling capacitance between the pixel electrode and the scanning line or data line connected thereto is reduced, the capacitance of the pixel electrode itself can be increased.
[0020]
In the present invention, it is desirable that the one wiring line is electrically connected to each of the pixel electrodes via a switching element, and the switching element is a conductor / insulator. / A thin film diode element made of a conductor is desirable. As a result, even when a thin film diode element in which it is difficult to form a storage capacitor in parallel with the pixel electrode is used as the nonlinear element, a uniform display image can be obtained.
[0021]
In order to achieve the above object, the present invention is an electronic apparatus including the electro-optical device.
[0022]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0023]
<First Embodiment>
First, an electro-optical device according to a first embodiment of the invention will be described. FIG. 1 is a plan view showing a basic configuration of a liquid crystal display device which is an example of an electro-optical device. In this liquid crystal display device, in addition to the conventional one shown in FIG. 12, a dummy line 252 is formed between each pixel electrode 234 connected to a certain scanning line 212 and a scanning line adjacent to the scanning line. In the meantime, they are arranged in parallel to the adjacent scanning lines 212 and also extended to the gaps between the pixel electrodes 234 connected to the scanning lines 212. Here, when a general dummy line is described, the reference numeral is 252. When a specific data line is described, the reference numerals are 252y, 252 (y + 1), 252 (y + 2). To do. For example, the dummy line 252y is connected to the adjacent scanning line 212 (y-1) between each pixel electrode 234 connected to the scanning line 212y and the scanning line 212 (y-1) adjacent to the scanning line 212y. They are arranged in parallel to each other and also extend to the gaps between the pixel electrodes 234 connected to the scanning line 212y.
[0024]
Also, assuming that the connection terminals of the scanning lines 212 are provided in the right direction in the figure, each dummy line 252 extends in a comb shape from the left direction. For this reason, all the dummy lines 252 are electrically connected to each other, but are not connected to any of the scanning lines 212 and maintain independent potentials. Here, it is desirable that the potential of the dummy line 252 is set to the middle between the high-order side and the low-order side of the data signal or the selection signal.
[0025]
According to such a configuration, in each pixel electrode 234, three sides other than the side facing the scanning line 212 connected to the pixel electrode 234 are substantially surrounded by the dummy line 252 that maintains a potential independent of the scanning line 212. Thus, the coupling capacitance between the pixel electrodes to be processed, particularly the pixel electrodes adjacent to each other in the row direction, is reduced. On the other hand, the capacitance of the pixel electrode 234 itself increases due to the coupling with the dummy line 252. This capacity increases as the gap with the dummy line 252 becomes narrower and the surrounded part becomes longer. For this reason, it becomes easy to make the coupling capacitance between adjacent pixel electrodes so small as to be negligible than the capacitance of the pixel electrode 234 itself.
[0026]
Further, an increase in the capacitance of the pixel electrode 234 itself means an increase in the capacitance in parallel with the liquid crystal layer, so that it is easy to improve the image quality. In particular, when a TFD element is used as a switching element, since the TFD element and the liquid crystal layer are connected in series, it is generally difficult to add a capacitance in parallel with the liquid crystal layer. In this case, the capacity in parallel with the liquid crystal layer is easily increased.
[0027]
In particular, the configuration as shown in FIG. 2, specifically, a certain dummy line 252 is further extended from the gap portion between the pixel electrodes 234 connected to the scanning line 212, and the side facing the scanning line 212 It is good also as a structure arrange | positioned also in the clearance gap part. With this configuration, almost all of the portions other than the junction with the TFD element 220 are surrounded by the dummy line 252, so that the capacitance of the pixel electrode 234 itself can be further increased.
[0028]
In this description, the line connected to the TFD element 220 is the scanning line 212 and the counter electrode formed on the counter substrate is the data line 242, but in this embodiment, the pixel electrode 234 is formed by the dummy line 252. Since they are surrounded, they are not easily affected by potential transition in each line together with adjacent pixel electrodes. For this reason, in the present embodiment, a line connected to the TFD element 220 may be a data line, and a counter electrode formed on the counter substrate may be a scan line.
[0029]
In addition, the dummy line 252 has the same composition as any of the pixel electrode 234 in addition to the first metal film 222 constituting the TFD element 220, the oxide film 224 and the second metal film 226 that are anodized. Since the conductive film having the same composition can be formed by film formation and patterning, it is not necessary to add a process for providing the dummy line 252 separately. That is, in this embodiment, it can be manufactured using the same conventional process.
[0030]
Second Embodiment
In the first embodiment described above, the coupling capacity between adjacent pixel electrodes 234 decreases, while the capacity of the pixel electrode 234 itself increases, which is excellent in terms of improving image quality. However, since the dummy lines 252 must be provided in addition to the scanning lines 212 between the pixel electrodes adjacent to each other in the column direction, it is necessary to provide a margin for the pixel pitch in the column direction. For this reason, in the first embodiment, the aperture ratio is disadvantageous. Further, the dummy line 252 should not be short-circuited with the pixel electrode 234 and the scanning line 212. Further, if the gap with the dummy line 252 and the length of the enclosed portion are different between pixels, the capacitances of the pixel electrodes 234 are different from each other. Therefore, the first embodiment is disadvantageous in that patterning accuracy is required.
[0031]
Therefore, a second embodiment that eliminates these disadvantages will be described. FIG. 3 is a plan view showing a basic configuration of the liquid crystal display device. In this liquid crystal display device, the dummy line 252 in FIG. 1 is eliminated, and the scanning line 212 is given the role of the dummy line 252. In other words, the scanning line 212 of a certain row is also extended to the gap portion between the pixel electrodes 234 connected to the scanning line of the next selected row. For example, the scanning line 212y is extended to the gap portion between the pixel electrodes 234 connected to the scanning line 212 (y + 1) of the next selected row.
[0032]
In such a configuration, for example, when the scanning line 212y is selected after the scanning line 212 (y-1) is selected, the scanning line 212 (y-1) selected immediately before is selected as a non-selection signal. A constant potential is obtained by the supply. Therefore, in a state where the selection signal is supplied to the scanning line 212y, each pixel electrode 234 connected to the scanning line 212y is scanned so that three sides other than the side facing the scanning line 212y have a constant potential. Since it is surrounded by the line 212 (y−1), the coupling capacitance between the adjacent pixel electrodes, in particular, the adjacent pixel electrodes in the row direction is reduced, as in the first embodiment.
[0033]
Also in the second embodiment, as shown in FIG. 4, the scanning line of a certain row is further extended from the gap portion between the pixel electrodes 234 connected to the scanning line of the next selected row. A configuration may also be adopted in which a gap is formed between the scanning line of the next selected row and the side facing the scanning line. With such a configuration, almost all of the pixel electrodes 234 other than the junction with the TFD element 220 are surrounded by the scanning line selected immediately before the selection of the scanning line connected thereto. It is possible to further increase the capacity of the electrode 234 itself.
[0034]
As described above, according to the second embodiment, the dummy line 252 is not required because the scanning line 212 selected before one plays the role of the dummy line 252 in the first embodiment. Therefore, compared with the first embodiment, it is advantageous in terms of the aperture ratio, occurrence of a short circuit, patterning accuracy, and the like.
[0035]
<Third Embodiment>
In the second embodiment described above, the case where the scanning direction is from the top to the bottom in FIG. 3 has been described. However, as the liquid crystal display device, the scanning direction needs to be reversible as necessary. Here, when the scanning direction is from the bottom to the top, for example, in the second embodiment, when the scanning line 212 (y−1) is selected after the scanning line 212 y is selected, the scanning is performed. Since the selection signal is supplied to the line 212 (y−1), the potential thereof greatly changes. For this reason, the pixel electrode 234 that has been connected to the scanning line 212y and has already been written is directly affected by the transition of the potential, and greatly varies from the original writing potential. For this reason, in the second embodiment, there is a disadvantage that the quality of the display image changes depending on whether the scanning direction is from the top to the bottom or from the bottom to the top.
[0036]
Therefore, a third embodiment in which these disadvantages are eliminated will be described. FIG. 5 is a plan view showing a basic configuration of the liquid crystal display device. In this liquid crystal display device, lines extending from the scanning lines 212 located above and below in the drawing are not contacted with each other at substantially the same length a and b in the gap portion between the pixel electrodes 234. It is arranged. Therefore, for example, the pixel electrode 234 connected to the scanning line 212y is surrounded by both the scanning line 212y and the scanning line 212 (y-1) selected before or after the scanning line 212. As a result, the coupling capacitance between the adjacent pixel electrodes 234 decreases.
[0037]
However, according to this configuration, for example, each pixel electrode 234 connected to the scanning line 212y is affected by the potential transition of the scanning line 212y when the scanning direction is from the top to the bottom. When the direction is from the bottom to the top, it is affected by the potential transition of the scanning line 212 (y-1). However, since the influences of the two are almost equal, the quality of the display image in both cases can be made uniform.
[0038]
As shown in FIG. 5, when the connection position of the TFD element 220 with respect to the pixel electrode 234 is at the left end, the gap with the scanning line is increased correspondingly, and the surrounded portion is shortened, so that it is adjacent to the left side. The coupling capacitance with the pixel electrode is slightly different from the coupling capacitance with the pixel electrode adjacent on the right side. For this reason, the lengths a and b extended to the gap between the pixel electrodes may be made different between the upper and lower scanning lines so as to compensate for the capacitance difference.
[0039]
<Application form>
In the first to third embodiments described above, the pixel electrodes 234 are arranged in a straight line in the row direction and the column direction, respectively, but the RGB color filters are arranged every 1.5 pixels in the row direction. It can also be applied to a delta (triangle) arrangement shifted to. Here, FIG. 6 is a plan view showing a basic pattern of the scanning lines 212 on the element substrate when the delta arrangement is applied in the third embodiment, and FIG. 7 is a diagram of data lines (counter electrodes) on the counter substrate. It is a top view which shows a basic pattern. As shown in these figures, one set of data lines 242 (x-1), 242x, 242 (x + 1) is a folded pattern having six cycles of scanning lines 212y to 212 (y + 5) as one cycle, and is a macro pattern. From the viewpoint, it extends in the column direction (Y direction). In this way, six rows are defined as one cycle because the color display is generally performed by three colors of RGB, and when the folding cycle is an odd row, the data line 212 extends in the Y direction. This is because the minimum value of a number that is a multiple of 3 and an even number is adopted in consideration of the point that cannot be performed.
[0040]
<Electronic equipment>
Next, some examples in which the above-described liquid crystal display device is used in an electronic device will be described.
[0041]
<Part 1: Video projector>
First, a video projector using this liquid crystal display device as a light valve will be described. FIG. 8 is a plan view showing a configuration example of a video projector.
[0042]
As shown in this figure, a lamp unit 1102 including a white light source such as a halogen lamp is provided inside the video projector 1100. The projection light emitted from the lamp unit 1102 is separated into three primary colors of RGB by four mirrors 1106 and two dichroic mirrors 1108 arranged in the light guide 1104, and serves as a light valve corresponding to each primary color. The light enters the liquid crystal panels 1110R, 1110B, and 1110G.
[0043]
The configurations of the liquid crystal panels 1110R, 1110B, and 1110G are the liquid crystal display devices according to the above-described embodiments, and are driven by R, G, and B primary color signals supplied from a video signal processing circuit (not shown). Now, the light modulated by these liquid crystal panels is incident on the dichroic prism 1112 from three directions. In this dichroic prism 1112, R and B light is refracted at 90 degrees, while G light travels straight. Accordingly, as a result of the synthesis of the images of the respective colors, a color image is projected onto the screen or the like via the projection lens 1114.
[0044]
Note that since light corresponding to the primary colors R, G, and B is incident on the liquid crystal panels 1110R, 1110B, and 1110G by the dichroic mirror 1108, it is not necessary to provide a color filter on the counter substrate.
[0045]
<Part 2: Mobile computer>
Next, an example in which this liquid crystal display device is applied to a mobile computer will be described. FIG. 9 is a front view showing the configuration of the computer. In the figure, a computer 1200 includes a main body 1204 having a keyboard 1202 and a liquid crystal display device 1206. The liquid crystal display device 1206 is configured by adding a backlight to the back surface of the liquid crystal display device described above.
[0046]
<Part 3: Pager>
Further, a pager using this liquid crystal display device will be described. FIG. 10 is an exploded perspective view showing the structure of the pager. As shown in this figure, a pager 1300 includes a liquid crystal display device 100 having the above-described structure in a metal frame 1302, a light guide 1306 including a backlight 1306a, a circuit board 1308, first and second shield plates 1310. , 1312 together with the housing. In this configuration, conduction between the liquid crystal display device 100 and the circuit board 1308 is achieved by the film tape 1314 for the element substrate 200 and the film tape 1318 for the counter substrate 300, respectively.
[0047]
In addition to the electronic devices described with reference to FIGS. 8 to 10, a liquid crystal television, a viewfinder type, a monitor direct-view type video tape recorder, a car navigation device, an electronic notebook, a calculator, a word processor, a workstation, Examples of electronic devices include mobile phones, videophones, POS terminals, devices equipped with touch panels, and the like. Needless to say, the liquid crystal display device according to the present invention can be applied to these various electronic devices.
[0048]
【The invention's effect】
As described above, according to the present invention, the wiring lines other than the wiring lines connected to the pixel electrodes for one row are arranged in the gap portion between the pixel electrodes for one row. As a result of the decrease in the coupling capacitance due to the wiring lines disposed in the gap portion, a good image display is possible.
[Brief description of the drawings]
FIG. 1 is a plan view showing a basic configuration of a liquid crystal display device according to a first embodiment of the present invention.
FIG. 2 is a plan view showing another configuration of the liquid crystal display device.
FIG. 3 is a plan view showing a basic configuration of a liquid crystal display device according to a second embodiment of the present invention.
FIG. 4 is a plan view showing another configuration of the liquid crystal display device.
FIG. 5 is a plan view showing a basic configuration of a liquid crystal display device according to a third embodiment of the present invention.
FIG. 6 is a plan view showing a basic configuration of an element substrate in a liquid crystal display device according to an application of the present invention.
FIG. 7 is a plan view showing a configuration of a counter substrate in the liquid crystal display device.
FIG. 8 is a cross-sectional view illustrating a configuration of a liquid crystal projector as an example of an electronic apparatus to which the liquid crystal display device according to the embodiment is applied.
FIG. 9 is a front view showing a configuration of a personal computer as an example of an electronic apparatus to which the liquid crystal display device is applied.
FIG. 10 is an exploded perspective view showing a configuration of a pager as an example of an electronic apparatus to which the liquid crystal display device is applied.
11A is a partially enlarged view showing a layout for one pixel in a conventional liquid crystal display device, and FIG. 11B is a cross-sectional view taken along the line AA.
FIG. 12 is a plan view showing a basic configuration of a conventional liquid crystal display device.
[Explanation of symbols]
212 …… Scanning line
220 …… TFD element
222 …… First metal film
224 ... Oxide film
226 …… Second metal film
234 …… Pixel electrode
242 …… Data line
252 ... Dummy line

Claims (8)

An electro-optical device comprising a plurality of wiring lines, wherein a plurality of pixel electrodes are arranged between the wiring lines adjacent to each other,
An extension portion branched from one wiring line among the plurality of wiring lines is disposed in a gap portion between pixel electrodes electrically connected to the one wiring line,
An extension portion branched from another wiring line adjacent to the one wiring line across the pixel electrode electrically connected to the one wiring line is electrically connected to the one wiring line. Arranged in the gap between the pixel electrodes,
The extension portion of the one wiring line and the extension portion of the other wiring line are arranged to face each other so as not to contact each other in a gap portion between pixel electrodes electrically connected to the one wiring line. An electro-optical device. The electro-optical device according to claim 1, wherein the one wiring line is a scanning line or a data line. The electro-optical device according to claim 2, wherein the one wiring line is disposed along at least three sides of a pixel electrode electrically connected to the one wiring line. The one wiring line is a scanning line,
The electro-optical device according to claim 1, wherein the other wiring line is a scanning line selected before the scanning line. The electro-optical device according to claim 2, wherein the other wiring line is disposed along at least three sides of the pixel electrode electrically connected to the one wiring line. The electro-optical device according to claim 1, wherein the one wiring line is electrically connected to each of the pixel electrodes via a switching element. The electro-optical device according to claim 6, wherein the switching element is a thin film diode element made of a conductor / insulator / conductor. An electronic apparatus comprising the electro-optical device according to claim 1.

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