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Electrode driving device and electronic instrument

A technology for driving devices and electrodes, which is applied in the directions of instruments, identification devices, static indicators, etc., can solve problems such as the inability to provide liquid crystal display devices with small widths of mobile phones.

Inactive Publication Date: 2005-07-27
SEIKO EPSON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In particular, if Figure 9 As shown, when the so-called frame area 312 is enlarged, it is impossible to provide a liquid crystal display device with a smaller width required by a mobile phone.
Such a problem is not limited to liquid crystal display devices, and it will occur when driving crossed electrodes.

Method used

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  • Electrode driving device and electronic instrument
  • Electrode driving device and electronic instrument
  • Electrode driving device and electronic instrument

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0065] Fig. 1 has shown the electrode driving device of embodiment 1, figure 2 It is a cross-sectional view taken along line II-II in FIG. 1 , image 3 It is a cross-sectional view taken along line III-III in FIG. 1 .

[0066] The electrode driver has a first substrate 11 . A second substrate 12 is provided opposite to the first substrate 11 . At least one (one or both) of the first and second substrates 11, 12 is a transparent substrate made of glass. The first and second substrates 11, 12 are formed of an insulator at least on the surface. The shapes of the first and second substrates 11, 12 are not limited to the quadrangle (including rectangle) shown in FIG. 1 . In this embodiment, the first substrate 11 is larger than the second substrate 12 .

[0067] In this embodiment, the electrode driving device has a third substrate 13 . The third substrate 13 is connected to the first substrate 11 . An elastic substrate (film) can also be used as the third substrate 13 .

...

Embodiment 2

[0089] Figure 5 The electrode driving device in Example 2 is shown. In the present embodiment, the orientation of the second electronic component 150 is different from that of the second electronic component 50 in the first embodiment. That is, the second electronic component 150 is rectangular, and its long sides extend in a direction intersecting the first side 124 of the quadrilateral region 120 . In addition, as the second electronic component 60 is arranged in this way, the second wiring pattern 132 is electrically connected to both ends (ends forming the long sides) of the second electronic component 150 in the short side direction. In addition, other configurations and effects are equivalent to those described in Embodiment 1.

Embodiment 3

[0091] Figure 6The electrode driving device in Example 3 is shown. In this embodiment, the position of the second electronic component 250 is different from that of the second electronic component 50 in the first embodiment. That is, in Example 1, the first electronic component 40 was arranged between the quadrangular area 20 and the second electronic component 50 , but this positional relationship does not apply to this example. The second electronic component 250 is configured to be staggered from the first electronic component 240 along the first side 224 of the quadrangular region 220 . The second electronic component 250 is arranged avoiding the side 244 of the first electronic component 240 that is opposite to the side 242 that is opposite to the first side 224 . In addition, in Figure 6 In the example shown, along the direction of the first side 224, the first and second electronic components 240, 250 are configured with their long sides extending along the directi...

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PUM

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Abstract

An electrode driving apparatus includes first and second substrates 11 and 12, first and second electrode patterns 21 and 22 arranged in a quadrilateral region 20, first and second wiring patterns 31 and 32, a first electronic component 40 that is electrically connected to the first wiring pattern 31, and a second electronic component 50 that is electrically connected to the second wiring pattern 32. The first and second electronic components 40 and 50 are disposed outside and on the side of a first side 24 of the quadrilateral region 20.

Description

technical field [0001] The invention relates to an electrode driving device and an electronic instrument. Background technique [0002] Figure 9 is a diagram showing a conventional liquid crystal display device. In the active matrix liquid crystal display device 300 , the signal electrodes 302 and the scanning electrodes 304 are intersectingly formed. For display driving, the liquid crystal display device 300 has an X driver (source driver) 306 that supplies a driving signal to the signal electrodes 302 and a Y driver (gate driver) 308 that supplies a driving signal to the scan electrodes 304 . [0003] In recent years, with the demand for miniaturization and colorization of the display screen, it is necessary to increase the integration level of the circuit, so the X driver 306 can operate under fine wiring and low voltage. On the other hand, the driving voltage of the Y driver 308 is higher than that of the X driver 306, so it has a high withstand voltage structure. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02F1/133G02F1/1345G09F9/00
CPCG02F2001/13456G02F1/1345G02F1/13456G02F1/133
Inventor 石山久展
Owner SEIKO EPSON CORP