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Electro-optical device and electronic apparatus

An electro-optic device and signal wiring technology, which is applied to static indicators, instruments, etc., can solve the problems of complicated wiring of sampling circuit driving signal lines and inability to ignore noise

Active Publication Date: 2009-01-07
138 EAST LCD ADVANCEMENTS LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the wiring of the sampling circuit driving signal line required for the up or down crossing of the image signal is also complicated.
[0015] Therefore, there is a problem that noise due to the influence of adjacent signal lines cannot be ignored

Method used

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  • Electro-optical device and electronic apparatus
  • Electro-optical device and electronic apparatus
  • Electro-optical device and electronic apparatus

Examples

Experimental program
Comparison scheme
Effect test

no. 1 Embodiment approach

[0081] First, refer to Figure 1- Figure 6 The first embodiment will be described. FIG. 1 is an explanatory diagram showing a wiring line arrangement employed in an electro-optical device according to a first embodiment of the present invention. FIG. 2 is a block diagram showing the configuration of the electro-optical device of the present embodiment. In this embodiment, a liquid crystal device using liquid crystal as an electro-optical device is shown as an example. image 3 is a perspective view showing the configuration of the liquid crystal panel 100 in FIG. 2 , Figure 4 yes image 3 The A-A' profile.

[0082] First, refer to Figure 2- Figure 4 The configuration of the electro-optical device will be described.

[0083] As shown in FIG. 2 , the liquid crystal device includes a liquid crystal panel 100 as a display unit, and an image signal processing circuit 300 of a timing generator 200 . The timing generator 200 is used to output timing signals or control signals ...

no. 2 Embodiment approach

[0124] Next, refer to Figure 7- Figure 9 The second embodiment will be described. Figure 7~ Figure 9 Referring to the second embodiment of the present invention, FIG. 7 is an explanatory view showing a layout of wiring lines employed in an electro-optical device according to the second embodiment and having the same gist as in FIG. 1 . Figure 8 is used to describe the line arrangement of the main line, the relay line, and the lead-out line of the second embodiment, and Figure 5 Floor plan with the same theme. also, Figure 9 yes Figure 8 The C-C' profile. In Figure 7~ Figure 9 , for the same as Fig. 1, respectively Figure 5 and Figure 6 The same constituent elements are attached with the same symbols, and descriptions thereof are omitted. The present embodiment is different from the first embodiment in that shielded wires are respectively provided along the relay wires 12 serving as relay wires for signals branched from the main line 11 a.

[0125] In the fir...

no. 3 Embodiment approach

[0134] Below, refer to Figure 10 The third embodiment will be described. Figure 10 is used to describe the line arrangement of the main line, the relay line, and the lead-out line of the third embodiment, and Figure 5 Floor plan with the same theme. exist Figure 10 in, for with Figure 5 The same constituent elements are attached with the same symbols, and descriptions thereof are omitted. This embodiment is characterized in that the arrangement order of the wirings divided by RGB on the main line part and the branch wiring part, and other configurations are the same as those shown in Figs. Figure 6 The configuration of the first embodiment shown is the same.

[0135] That is, if Figure 10 As shown, with regard to the main line part, the main lines 11a for R are adjacent to each other or the main lines 11a for B are adjacent to each other so that the shielding line 16 is sandwiched, and the same pixel as an example of the "signal wiring group" of the present inventio...

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PUM

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Abstract

The invention provides a method to enhance image quality by suppressing the influence of noise in an electro-optical device such as a liquid crystal device. The electro-optical device is provided with: a driving means for controlling the drive of a display part through phase expansion so as to display an image by driving switching elements; and m*n signal wiring lines which transmit image signals, where the image signals are divided into m parallel data sequences for phase expansion and each data sequence includes n parallel image signals, and which have extended portions in a state that n signal wiring lines are bundled in each data sequence as a signal wiring line group for each data sequence on a substrate and a plurality of signal wiring line groups bundled in each data sequence are bundled. Shield lines are formed along respective signal wiring lines between two adjacent signal wiring line groups bundled in each data sequence in a portion where the signal wiring lines extend.

Description

technical field [0001] The present invention relates to an electro-optical device and electronic equipment suitable for high-definition image display. Background technique [0002] In general, an electro-optical device, for example, a liquid crystal device that uses liquid crystals for predetermined display, has a structure in which liquid crystals are sandwiched between a pair of substrates. Among them, in an electro-optic device such as a liquid crystal device of an active matrix drive method such as TFT (Thin Film Transistor, thin film transistor) drive, TFD (Thin Film Diode, thin film diode) drive, etc., a plurality of scanning lines arranged vertically and horizontally and data The lines and a plurality of pixel electrodes corresponding to their intersections are provided on a TFT array substrate or the like. [0003] The scanning signal is sequentially supplied to each scanning line from the scanning line driving circuit. In addition, an image signal is supplied to t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02F1/133G09G3/36
Inventor 村出正夫
Owner 138 EAST LCD ADVANCEMENTS LTD