JP3474240B2 - Active matrix liquid crystal display panel - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an active matrix type liquid crystal display panel having a triangular array of pixels,
In particular, the present invention relates to a color liquid crystal display panel having redundant matrix elements.

[0002]

2. Description of the Related Art Among various types of color display panels,
An active matrix type color display panel using a thin film transistor as a switching element provides the best image quality.

The active matrix has a plurality of pixels in which lines and columns are arranged in a matrix on a transparent insulating substrate.

Here, each pixel includes at least one display electrode and at least one switching transistor.

The matrix has a plurality of address buses arranged between pixel lines and a plurality of data buses arranged between columns intersecting the address buses at right angles. The display electrode is connected to the data line and the address line through one switching transistor.

The address signal is applied to the switching transistor formed of a thin film transistor (TFT) via the address bus, and the video signal is applied to the display electrode selected through the TFT turned on by the address signal. Is supplied to.

In a color display, one color pixel unit has at least 3 for transmitting a main color component.
With two pixels. As a result, the number of pixels required for the cell is three times that of black and white compared to black and white display. The quality of a color image depends largely on the mutual arrangement of color pixels.

FIG. 1 is a circuit diagram of a normal active matrix type color liquid crystal display panel. In FIG.
The color liquid crystal display panel is configured by arranging a large number of arrays 100 in a matrix in each of row and column directions. The matrix of each array 100 comprises a plurality of data buses 1 and a plurality of address buses 2. Each pixel 31 includes two display electrodes 3 and 4 formed on both sides of the data bus 1 and the display electrodes 3 and 4, respectively.
And two switching transistors 5 and 6 respectively connected to. Video signals are transmitted through the data bus 1 and the switching transistors 5 and 6 to the display electrodes 3 and 4 respectively.
Is supplied to.

The sources of the switching transistors 5 and 6 are connected to the corresponding display electrodes 3 and 4, the drains are connected to a common data bus 1 passing between the display electrodes 3 and 4, and the gates are corresponding. Connected to the address bus 2. The display electrodes 3 and 4 are arranged on both sides of the address bus 2. A pair of display electrodes 3 and 4 connected to an arbitrary data bus 1 is arranged on one side of the address bus 2, but a pair of other display electrodes connected to another data bus 1 is a pixel line. Is arranged on the other side of the address bus 2 forming the.

Display electrodes 3, 4 named R, G, B
Form pixels 31 covered by red, green and blue filters, respectively. In the pixel line 32 arranged in parallel to the address bus 2, the arrangement of the filters is repeated in the order of red (R), green (G) and blue (B). The arrangement of the filters is such that, of two adjacent pixel lines,
In order to form a triangular array of pixels formed by two pairs of display electrodes 3 and 4 in one line and one pair of display electrodes in the other line, a pitch of 1/2 of the repeating cycle of the color filter is used. The display electrodes 3 and 4 are shifted between two adjacent data buses 1. An array of pixels as described above will provide a high quality image.

[0011]

However, such an array design is such that when one of the plurality of address buses 2 or data buses 1 is opened due to a defect, all pixels connected to that defective bus will be affected. Has a serious defect in that it deteriorates the operation performance and deteriorates the image quality.

There is known a high image active matrix type liquid crystal display panel having a triangular array of pixels which does not cause image deterioration with a small number of open circuits in the address bus 2.

In the panel shown in FIG. 2, the arrays 100 are arranged in a matrix in the column and row directions.
Includes a plurality of data buses 1, a plurality of address buses 2 intersecting the data buses 1 at right angles, and a plurality of pixels 31 having two display electrodes 3 and 4. The display electrodes 3 and 4 of each pixel 31 are connected to one data bus 1 and two adjacent address buses 2 passing between the display electrodes 3 and 4 of the pixel through two switching transistors 5, 7 to 6 and 8, respectively. Connected respectively.

This panel comprises a plurality of red (R) filters, green (G) filters and blue (B) filters, each color filter covering two display electrodes and transmitting a predetermined color component. The color filters combined with the display electrodes 3, 4 are arranged so as to form a triangular array of pixels, as shown by the hatching in FIG.

As described above, since the color liquid crystal panel has a triangular array of different pixels, a high quality image can be obtained. One pixel has two switching transistors 5,
Video signals are obtained from one data bus 1 through 7; 6 and 8, and the gates of the two switching transistors are connected to two other adjacent address lines 2. Therefore, if one address line is opened, the video signal is supplied to the display electrode through the switching transistor connected to the other address bus.
Therefore, in that case, a small number of open circuits on the address bus will not cause a large line defect on the screen.

However, in the design of such a color liquid crystal display panel, if an open circuit in an arbitrary data bus causes a deterioration in operating performance of all pixels connected to the defective portion of the bus, it will only deteriorate the image quality. However, if defects occur in many parts of the pixel column, there is a disadvantage that the entire panel is damaged, that is, productivity is reduced.

It is an object of the present invention to provide an active matrix type color liquid crystal display panel having a triangular array of pixels which can improve productivity and obtain higher quality images.

[0018]

To achieve the above object, according to the present invention, a transparent insulating substrate, a plurality of address buses formed in parallel with each other on the transparent insulating substrate, and orthogonal to the address buses. A plurality of data buses formed on a transparent insulating substrate intersecting with each other, two display electrodes for applying a video signal and four pixel driving switching transistors respectively, and a plurality of pixels arranged in parallel with the address bus. A plurality of filter elements for forming a line and a plurality of pixel elements formed on a transparent insulating substrate are periodically arranged in the same direction as the address bus on the display electrodes of the plurality of pixels to form a triangular array of pixels. The filter, the liquid crystal filled between the display electrode of the pixel and the filter, and the two switching transistors among the four switching transistors are used for display. A first connecting line for sending a video signal from the non-adjacent data bus via the other two switching transistors to the display electrode when a defect occurs in the adjacent data bus connected to the electrode; When a defect occurs in the adjacent address bus connected to the display electrode via two of the two switching transistors, the address bus not adjacent to the display electrode via the other two switching transistors And a second connecting line for sending an address signal from the active matrix liquid crystal display panel.

[0019]

A distinctive feature of the present invention is that when a defect occurs in the adjacent data bus connected to the display electrode, the data bus which is not adjacent to the display electrode via the third and fourth switching transistors is provided. When a video signal is sent through the first connection line and a defect occurs in an adjacent address bus connected to the display electrode, the display electrode receives a third signal.
And sending address signals from non-adjacent address buses via the fourth switching transistor.

Therefore, by using this obvious feature combined with the features of the prior art, it is possible to have a triangular array of pixels because no line defects occur when the data bus as well as the address bus has an open defect. It is possible to provide an active matrix type color liquid crystal panel capable of improving the image quality and the productivity in the manufacturing process.

As described above, in the prior art, the appearance of an open circuit in any data bus leads to poor operation of the pixels connected to the defective bus and poor image quality.

On the other hand, in the panel structure of the present invention,
Each pixel has two display electrodes and four switching transistors, and each pixel is connected to not only two address buses but also two data buses.

As a result, since the video signal is applied to the pixel via the second data bus, even if an open circuit appears in one data bus, the operability of the pixel connected to the defective portion of the bus is reduced. It does not cause a decline.

According to the present invention, a malfunction of each pixel can only occur if an open circuit occurs simultaneously in the two buses to which the pixel is connected, but an open circuit occurs simultaneously in the two buses. Since the possibility of doing so is considerably low, the above object of the present invention can be achieved well.

[0025]

Embodiments of the present invention will now be described in more detail with reference to the drawings.

FIG. 3 is a plan view showing a part of the liquid crystal panel according to the first embodiment of the present invention. FIG. 3 shows a transparent insulating substrate 12 made of a glass material (see FIG. 5).
The TFT (thin film transistor) active matrix array 100 formed on the liquid crystal display panel is
Such an array is arranged in a matrix in the column and row directions.

The matrix array 100 comprises a plurality of data buses 1 and a plurality of pixels. Each pixel is
It is composed of two display electrodes 3 and 4 and four switching transistors 5 to 8 combined therewith.

The display electrodes 3 and 4 of each pixel are arranged between a pair of address buses 2 and are connected to one address bus via switching transistors 5 and 6 and to the other via switching transistors 7 and 8. Connected to address bus. Same pixel 3 arranged on the same pixel line 32
One address bus side of the two display electrodes 3 and 4 in 1 is connected to the nearest address bus 2 via the switching transistors 5 and 6, and a data bus passing between both display electrodes 3 and 4. Connected to 1. The other address bus side of the display electrodes 3 and 4 is connected via the switching transistors 7 and 8 and the first connection line 9 to the address bus 2 arranged between two subsequent pixel lines next to the pixel line concerned. In addition to being connected, the data bus 1 is connected via the switching transistors 7 and 8 and the second connection line 10 to the data bus 1 arranged between the pixel and the next pixel on the same line.

The gates of the switching transistors 7, 8 of all the pixels in the last pixel line are connected via the first connecting line 9 to the first address bus 2'of the next array 100.
, The drain of the switching transistor 8 of the defective pixel at the end of the pixel line is connected to the first data bus 1 ′ of the next array 100.

In FIG. 3, the arrangement of the color filter elements on the display electrodes 3 and 4 is indicated by the reference signs R, G and B.

The operation of the liquid crystal panel shown in FIG. 3 is as follows.

During one period of matrix scanning, the video signal is supplied twice to any pair of display electrodes 3 and 4 of each pixel. The first of the two video signals is
The second video signal is applied via the switching transistors 5 and 6, and the second video signal is applied via the transistors 7 and 8. The second video signal is delayed with respect to the first video signal by the time required to address one pixel line 32, and each pixel 31 of the matrix is finally driven by the second video signal. To be done.

When an open circuit failure occurs in the data bus 1 or the address bus 2 to which the pair of display electrodes 3 and 4 are connected via the switching transistors 7 and 8, only the first video signal is the switching transistor 5 and 5. It is supplied to the display electrodes 3 and 4 through 6. On the other hand, when an open circuit failure occurs in the data bus 1 or the address bus 2 to which the switching transistors 5 and 6 are connected, only the second video signal is supplied to these display electrodes 3 and 4. Therefore, the occurrence of an open circuit in the data bus 1 or the address bus 2 does not cause a defect in the display of the pixel 31 connected to the defective bus.

The layout of any selected portion of the TFT matrix of a liquid crystal color panel according to the present invention is shown in FIG.

In FIG. 4, the data bus 1, the address bus 2, the display electrodes 3, 4, the switching transistor 5,
6, a switching transistor 7, 8, a first connection line 9 for connecting the gate 11 of the switching transistor 5, 6 to the address bus 2, and a connection line for connecting the drains of the switching transistors 7, 8 to the address bus 2. 10 is shown.

A cross section of the liquid crystal color panel taken along the line AA of FIG. 4 is shown in FIG. The structure shown in FIG. 5 is manufactured by the following method.

After depositing a chromium film on the transparent insulating substrate 12 made of glass, the chromium film is patterned by photolithography, and the address bus 2 (not shown) and the gates 11 of the switching transistors 7 and 8 are formed.
To form. Next, a silicon nitride film 13 used as a gate dielectric is deposited. An amorphous silicon film is vapor-deposited on the silicon nitride film 13, and the amorphous silicon film is patterned by a photolithography method to form a semiconductor region 14 of the switching transistor. Next, after depositing a transparent indium oxide film, patterning is performed by photolithography to form the display electrodes 3 and 4, and the molybdenum silicide film 15 and the chromium film 1 are formed.
6 is successively deposited and patterned by photolithography to form source and drain electrodes of the switching transistor and connection lines (not shown in FIG. 5).

Subsequently, a silicon nitride film 17 used as a protective dielectric is deposited and patterned by photolithography to form contact windows for the switching transistors, address buses, drain electrodes of the switching transistors 5 and 6 and the connection line 10. To do.

Next, an aluminum film is deposited and patterned by photolithography to form the data bus 1 and the first connection line 9 (not shown in FIG. 5). Next, a polyimide layer 18 is vapor-deposited on the entire surface so as to serve as an orientation layer of the liquid crystal.

On the other hand, the filter 19 is formed on the transparent insulating substrate 20, although it is turned upside down in the drawing. The filter 19 is covered with a transparent conductive film made of an indium oxide film that serves as a common electrode of the liquid crystal cell, and a transparent common electrode 21 is formed. This transparent common electrode 21
A polyimide layer 22 is deposited on top. The polyimide layer 22 serves as an orientation layer of liquid crystal.

In the final manufacturing process of the active matrix type color liquid crystal display panel, the liquid crystal 23 is filled between the polyimide layer 18 on the TFT matrix side and the polyimide layer 22 on the filter 19 side.

In the above-described first embodiment of the present invention, the drains of the switching transistors 7 and 8 in FIG. 3 are connected to the data bus arranged between the pixel concerned and the next pixel on the same pixel line as this pixel. To be done. However, although not shown, the drains of these transistors may be connected to a data bus arranged between the pixel and the previous pixel on the same pixel line without connecting to the data bus described above. it can.

FIG. 6 is a partial plan view of an active matrix type liquid crystal display panel according to a second embodiment of the present invention. In the case of the first embodiment, the data bus 1 passes between the two display electrodes 3 and 4 in the same pixel 31, but
Unlike the case of the second embodiment, it has a structure in which one data bus 1 passes through every two display electrodes. In the first embodiment, the arrangement of the filters 19 is 2 pixel lines (I
~ II), but in the second embodiment it is repeated every 4 pixel lines (I-IV).

In the second embodiment, the first pixel line I
Then, the drains of the first and third switching transistors 5 and 6 of each pixel 31 are connected to the data bus 1 that passes between the pixel and a previous pixel on the same line as this pixel, and the second and fourth switching transistors are connected. The drains of 7 and 8 are connected to the data bus 1 passing between the pixel concerned and the next pixel on the same pixel line as this pixel.

In the second pixel line II, the drains of the first and third switching transistors 5 and 6 of each pixel are connected via the connection line 10 to the display electrodes 3 and 4 of the previous pixel on the same pixel line as the pixel. And the drains of the second and fourth switching transistors 7 and 8 are connected to the data bus 1 passing between the display electrodes 3 and 4 of the pixel.

In the third pixel line III, the first pixel line
Contrary to I, the drains of the first and third switching transistors 5, 6 are connected to the data bus 1 passing between the pixel concerned and the next pixel on the same pixel line as this pixel,
The drains of the second and fourth switching transistors 7 and 8 are connected to the data bus 1 that passes between the pixel concerned and the preceding pixel on the same pixel line as this pixel.

In the fourth pixel line IV, the first pixel line I
On the contrary, the drains of the first and third switching transistors 5 and 6 are connected to the data bus 1 passing between the display electrodes 3 and 4 on the same pixel line as the pixel, and the second and fourth switching transistors 7 and 6 are connected. The drain of 8 is
It is connected via a connection line 10 to a data bus 1 passing between the pixel and the display electrodes 3 and 4 of the previous pixel on the same pixel line as this pixel.

The gates of the first and third switching transistors 5 and 6 of each pixel are connected to the data bus passing through the pixel line in which the pixel is arranged and the previous pixel line,
The gates of the second and fourth switching transistors 7, 8 are connected via a first connection line 9 to an address bus passing between two subsequent pixels of the pixel line in question and the second of the last pixel line. And the gates of the fourth switching transistors 7 and 8 are connected to the first address bus 2 ′ of the next array via the first connection line 9 and the second pixel line.
In II and the third pixel line III, the first switching transistor 7 is connected to the last data bus 1'of the previous array.

FIG. 7 shows a layout of an active matrix type liquid crystal display panel designed based on FIG. In the embodiment of FIG. 4, the data bus 1 passes through each display electrode, but unlike the embodiment of FIG. 7, the data bus 1 passes through every two adjacent display electrodes, and the data bus 1 The first connection line 9 passes between the display electrodes 3 and 4 that do not pass.

FIG. 8 is a partial plan view of an active matrix type liquid crystal display panel according to a third embodiment of the present invention. The third embodiment has a structure similar to that of the second embodiment, but is different only in the arrangement of the filters 19 (R, G, B) of the array 100.

FIG. 9 is a partial plan view of an active matrix type liquid crystal display panel according to a fourth embodiment of the present invention. In the fourth embodiment, the data bus 1 passes through every two pixel electrodes as in the second embodiment, and the color filters are arranged in the same manner as in the first embodiment.

In FIG. 9, the first and third switching transistors 5 and 6 of each pixel 31 are provided in the first pixel line I.
The drain of is connected to the data bus 1 passing between the pixel concerned and the preceding pixel on the same line as this pixel via the connection line 10, and the second and fourth switching transistors 7,
The drain of 8 passes through the connection line 10 between the pixel concerned and the preceding pixel on the same line as this data bus 1
Connected to.

In the second line II, the drains of the first to fourth switching transistors 5 to 8 of each pixel 31 are connected to the data bus 1 passing between the display electrodes 3 and 4 of the pixel, and the first to fourth switching transistors 5 to 8 of the pixel 31 are connected. 2 and the gates of the fourth switching transistors 7 and 8 pass through the connection line 9 between the pixel line concerned and the next two succeeding pixel lines.
The gates of the second and fourth switching transistors 7 and 8 are connected to the first address bus 2'of the next array, and the last transistor 8 of the second pixel line II is connected to the last data of the array. Connected to the bus.

As described above, in the second to fourth embodiments, the data bus 1 passes through every two display electrodes 3 and 4, and this structure can increase the aperture ratio, and The redundancy of the address bus and the data bus can be obtained as in the first embodiment.

FIG. 10 is a partial layout diagram of a liquid crystal display panel designed according to the fourth embodiment, and FIGS. 11 and 12 are cross-sectional views taken along the line AA ′ and CC of FIG. The figures are respectively shown.

In the embodiment of the present invention, the first connecting line 9 and the second connecting line 10 can be integrated during the production of the active matrix, so that additional man-hours are not required. Absent. If other technological steps are required, the switching transistors 7, 8 can be separated from the address and data buses by burning the connecting lines 9, 10 with a laser.

[0057]

According to the present invention, by connecting the display electrodes to the two data buses, the pixel line defect on the screen can be removed even if an open circuit occurs in the data bus, and the aperture ratio can be improved. Therefore, it is possible to manufacture a liquid crystal color display panel having improved image quality and excellent mass productivity.

[Brief description of drawings]

FIG. 1 is a partial plan view of a conventional active matrix type liquid crystal display panel having pixels in a triangular arrangement.

FIG. 2 is a partial plan view of an active matrix type liquid crystal display panel having pixels in a conventional triangular array, the pixels being connected to two address buses.

FIG. 3 is a partial plan view of an active matrix type liquid crystal display panel having pixels arranged in a triangle according to a first embodiment of the present invention.

FIG. 4 is a partial layout diagram of a TFT color liquid crystal display panel designed according to the present invention.

5 is a cross-sectional view taken along the line AA ′ of FIG.

FIG. 6 is a partial plan view of an active matrix type liquid crystal display panel having a triangular array of pixels according to a second embodiment of the present invention.

FIG. 7 is a partial layout diagram of the TFT color liquid crystal display panel designed according to FIG.

FIG. 8 is a partial plan view of an active matrix type liquid crystal display panel having a triangular array of pixels according to a third embodiment of the present invention.

FIG. 9 is a partial plan view of an active matrix type liquid crystal display panel having a triangular array of pixels according to a fourth embodiment of the present invention.

FIG. 10 is a partial layout diagram of the TFT color liquid crystal display panel designed according to FIG.

11 is a cross-sectional view taken along the line AA ′ of FIG.

12 is a cross-sectional view taken along the line CC of FIG.

[Explanation of symbols]

1,1 'data bus 2,2 'address bus 3,4 display electrode 5-8 switching transistors 9,10 connection line 11 gates 12, 20 Transparent insulating substrate 13,17 Silicon nitride film 14 Semiconductor area 15 Molybdenum silicide film 16 Chrome film 18,22 Polyimide layer 19 filters 21 Transparent conductive film 23 LCD 31 pixels

Front page continuation (72) Inventor Boris, Py, Chernolotov Moscow, Russia, Building, 302 A, apartment, 105 (56) References JP-A 2-110433 (JP, A) JP-A 64-37585 (JP , A) JP-A-6-294972 (JP, A) JP-A-61-267782 (JP, A) JP-A-61-20091 (JP, A) JP-A-4-110891 (JP, A) (58) Fields surveyed (Int.Cl. ⁷ , DB name) G09G 3/36 G02F 1/133 G02F 1/136

Claims (5)

(57) [Claims] 1. A transparent insulating substrate (12), a plurality of address buses (2) formed on the transparent insulating substrate (12) in parallel with each other, and intersecting the address bus (2) at right angles. A plurality of data buses (1) formed on the transparent insulating substrate (12), two video signal applying display electrodes (3, 4) and four pixel driving switching transistors (5
8) and arranged in parallel to the address bus (2) to form a plurality of pixel lines (32), and display electrodes of a plurality of pixels (31) formed on the transparent insulating substrate (12). A plurality of filters (19) for forming a triangular array of pixels by periodically arranging a plurality of filter elements in the same direction as the address bus (2) above (3, 4), and the pixel (31 Liquid crystal (23) filled between the display electrodes (3, 4) and the filter (19), and first and second switching transistors (5) of the four switching transistors (5-8). , 6) when a defect occurs in the data bus passing between the display electrodes (3, 4), the display electrodes (3, 4) are provided with the third and fourth switching transistors (7, 8). Over through
A first connection line (9) for sending a video signal from a data bus adjacent to the display electrodes (3, 4), and the first and second switching transistors (5, 6)
When a defect occurs in an adjacent address bus connected to the display electrode (3, 4) via the display electrode (3, 4), the display electrode (3, 4) is provided with the third and fourth switching transistors (7, 8). And a second connection line (10) for sending an address signal from an address bus which is not adjacent to the display electrodes (3, 4) via the above ), and an active matrix type liquid crystal display panel. 2. A transparent insulating substrate (12), a plurality of address buses (2) formed on the transparent insulating substrate (12) in parallel with each other, and intersecting the address bus (2) at right angles. A plurality of data buses (1) formed on the transparent insulating substrate (12), a plurality of pixels (31) formed on the transparent insulating substrate (12), and a plurality of filters having various color components. An element, each of the plurality of pixels (31) having a first
And second display electrodes (3, 4) and first to fourth switching transistors (5 to 8), and the first and second display electrodes (3, 4) are provided between adjacent address buses (2). Two data buses (1) forming a pixel line (32)
And the two address buses (2) are provided in a region adjacent to each other in the direction of the address bus, and the sources of the first and second switching transistors (5, 7) are connected to the first display electrode (3). The sources of the third and fourth switching transistors (6, 8) are connected to the second display electrode (4), and the first and third switching transistors (5, 5) are connected.
The gate of 6) is connected to the address bus (2) arranged between the pixel line in which the pixel (31) is arranged and the previous pixel line, and the first and third switching transistors (5, 6). The drain of the first pixel of the pixel
The pixels (3) connected to the data bus (1) passing between the display electrodes (3, 4) and arranged in the pixel line (32).
1) is shifted with respect to the pixels of the adjacent pixel line by a pitch of ½ of the repeating cycle of the pixel, and the plurality of filter elements form a line of red, green and blue filter elements, Two address filters are arranged on the display electrodes (3, 4) periodically in the same direction as the address bus (2) and include two first filter elements, two second filter elements, and two third filter elements. In the first line of the adjacent pixel lines, there are two first, second and third lines, respectively.
The repeating cycle of the filter elements is arranged in the order of red, green and blue, and in the second line, the repeating cycle of the first, second and third filter elements is one second filter element,
A filter (19) in which two third filter elements, two first filter elements, and one second filter element are arranged in this order, the first and second display electrodes (3, 4), and the filter ( In the active matrix type liquid crystal display panel including a liquid crystal (23) filled between the second and fourth switching transistors (7, 19) of each pixel.
The gate of 8) is connected via a first connecting line (9) to an address bus (2) passing between two subsequent pixel lines of the pixel line in question, and the second and the second of the pixels of the last pixel line. The gates of the 4 switching transistors (7, 8) are
It is connected to the first address bus (2 ') of the next array (100) through the first connection line (9), and the second and fourth are connected.
A drain of the switching transistor (7, 8) has a data bus (1) arranged between the pixel (31) and a pixel line next to the same pixel line as this pixel via the second connection line (10). And the last switching transistor (8) of the second of the two adjacent filter element lines is connected to the first data bus (1 ') of the next array via the second connecting line (10). Active matrix liquid crystal display panel characterized by being connected. 3. A transparent insulating substrate (12), a plurality of address buses (2) formed on the transparent insulating substrate (12) in parallel with each other, and intersecting the address bus (2) at right angles. A plurality of data buses (1) formed on the transparent insulating substrate (12), a plurality of pixels (31) formed on the transparent insulating substrate (12), and a plurality of filters having various color components. And each pixel (31) includes first and second display electrodes (3, 4) and first to fourth switching transistors (5 to 8), and first and second switching transistors ( The sources of 5, 7) are connected to the first display electrode (3), and the third and fourth switching transistors (6, 6)
The source of 8) is connected to the second display electrode (4),
And the gates of the third switching transistors (5, 6) have pixel lines (32) in which the pixels (31) are arranged.
Pixels (31) connected to the address bus (2) arranged between the pixel line and the previous pixel line and arranged in each pixel line (32) have a pixel repeating cycle with respect to a pixel of an adjacent pixel line. Is shifted by half the pitch of
The plurality of filter elements are arranged on the display electrodes (3, 4) periodically in the same direction as the address bus (2) to form a line of red, green and blue filter elements, and two filter elements are arranged. In a first line of two adjacent filter element lines comprising a first filter element, two second filter elements and two third filter elements, a repeating cycle of the first, second and third filter elements respectively The two first, second and third filter elements are arranged in order, and in the second line, the repeating cycle of the first, second and third filter elements is one second filter element, two third filter elements, Two first filter elements and one second
Active matrix liquid crystal display panel comprising a filter (19) arranged in the order of filter elements, and a liquid crystal (23) filled between the first and second display electrodes (3, 4) and the filter. In one line of the adjacent pixel lines (32), the first and second display electrodes (3, 4) of each pixel are between the two data buses (1) and the two address buses (2). Are arranged in the same direction as the address bus (1) in one area of
In the other line, the display electrodes (3, 4) are provided in the area between the two data buses (1) and the two address buses (2) in the pixel adjacent to the address bus (1) in the same direction. The drains of the first and third switching transistors (5, 6) of each pixel of the line arranged with any of the display electrodes (3, 4) pass between the pixel and a pixel of the same line. Connected to the data bus (1),
The drains of the second and fourth switching transistors (7, 8) are connected to the data bus (1) passing between the pixel concerned and the next pixel on the same line as this pixel, and in the line before the pixel line. The drains of the first and third switching transistors (5, 6) of each pixel are connected to the data bus passing between the display electrodes (3, 4) of the pixel, and the second and fourth switching transistors (7, 8) are connected. )
Is connected to the data bus (1) passing between the display electrode (3, 4) of the previous pixel on the same line as the pixel via the second connection line (10), and is connected to the other pixel. The drains of the first and third switching transistors (5, 6) of each pixel on the line are connected to the display electrodes (3, 6) of the previous pixel on the same line as the pixel via the second connection line (10).
4) connected to the data bus (1), and the drains of the second and fourth switching transistors (7, 8) are connected to the data bus passing between the display electrodes (3, 4) of the pixel. , The drains of the first and third switching transistors (5, 6) of each pixel on the line next to the other pixel line pass between the pixel and the next pixel on the same line as this pixel ( 1) connected to the second and fourth switching transistors (7, 8)
Has a drain connected to a data bus passing between the pixel concerned and a preceding pixel on the same line as this pixel,
And the gates of the fourth switching transistors (7, 8) are connected to the next 2 of the pixel line via the first connection line (9).
The gates of the second and fourth switching transistors (7, 8) of the pixels of the last pixel line, which are connected to the address bus (2) passing between two successive pixel lines, are connected via the first connection line (9). Connected to the first address bus (2 ') of the next array (100), the first switching transistor (7) of the second of the two adjacent filter element lines is the last data bus of the previous array. (1
An active matrix type liquid crystal display panel characterized by being connected to ??? 4. A transparent insulating substrate (12), a plurality of address buses (2) formed on the transparent insulating substrate (12) in parallel with each other, and intersecting the address bus (2) at right angles. A plurality of data buses (1) formed on the transparent insulating substrate (12), a plurality of pixels (31) formed on the transparent insulating substrate (12), and a plurality of filters having various color components. And each pixel (31) includes first and second display electrodes (3, 4) and first to fourth switching transistors (5 to 8), and first and second switching transistors ( The sources of the transistors 5, 7 are connected to the first display electrode 3, and the third and fourth switching transistors 6,
The source of 8) is connected to the second display electrode (4), and the gates of the first and third switching transistors (5, 6) are connected to the pixel line (32) in which the pixel (31) is arranged.
Pixels (31) connected to the address bus (2) arranged between the pixel line and the previous pixel line and arranged in each pixel line (32) have a pixel repeating cycle with respect to a pixel of an adjacent pixel line. Is shifted by half the pitch of
The plurality of filter elements are periodically arranged in the same direction as the address bus (2) to form a line of red, green and blue filter elements; 2 Display electrodes (3, 4) and filter (1
In an active matrix type liquid crystal display panel having a liquid crystal (23) filled in between 9) and 2) two filter elements including two first filter elements, two second filter elements and two third filter elements. In the first of the adjacent filter element lines, the repeating cycle of the first, second and third filter elements is one second filter element, two third filter elements, two first filter elements, and Arranged in order of one second filter element, and in the second line, a repeating cycle of the first, second and third filter elements comprises two first filter elements, two second filter elements and two second filter elements, respectively. The display electrodes (3, 4) are arranged in the order of three filter elements, and in one line, the display electrodes (3, 4) are arranged in an area between the two data buses (1) and the two address buses (2). One of the display electrodes (3, 4) of the pixels adjacent in the same direction as the dress bus (2)
And the display electrodes (3, 4) of each pixel are arranged between two data buses (1) and two address buses (2) in another line of adjacent pixel lines.
The drains of the first and third switching transistors (5, 6) of each pixel of the one line are arranged in the same direction as the address bus (2) in one region, and are arranged in the same direction as the first bus of the pixel.
And the drains of the second and fourth switching transistors (7, 8) connected to the data bus (1) passing between the first and second display electrodes (3, 4) via the second connection line (10). It is connected to the data bus (1) passing between the first and second display electrodes (3, 4) of the previous pixel on the same line as the pixel, and the first of each pixel on the line before the pixel line.
And the drains of the third switching transistors (5, 6) pass through the second connection line (10) between the pixel concerned and the next pixel on the same line as this data bus (1).
And the drains of the second and fourth switching transistors (7, 8) are connected to the data bus (between the pixel and the previous pixel on the same line as this pixel via the second connection line (10). 1), the drains of the first and third switching transistors (5, 6) of each pixel in the other pixel line are connected to the same pixel as this pixel via the second connection line (10). The drains of the second and fourth switching transistors (7, 8), which are connected to the data bus (1) passing between the pixel and the previous pixel, are the same as the pixel and this pixel via the second connection line (10). The drain of the first and third switching transistors (5, 6) of the pixel in the line next to the other pixel line is connected to the data bus (1) passing through to the pixel next to the line.
It is connected to the data bus (1) passing between the first and second display electrodes (3, 4) of the previous pixel on the same line as the pixel via the second connection line (10), and the second and fourth The drain of the switching transistor (7, 8) is the first of the pixel.
And a gate of the second and fourth switching transistors (7, 8) of each pixel, which are connected to a data bus passing between the second display electrodes (3, 4), via a first connection line (9).
The gates of the second and fourth switching transistors (7, 8) of the last pixel line are connected to the first connection, which is connected to the address bus (2, 2 ') passing between two subsequent pixel lines of the pixel line. The next array (1
00) first address bus (2 '), the first switching transistor (7) of the first of the two adjacent pixel lines is connected to the last data bus (1') of the previous array. Active matrix liquid crystal display panel characterized by being connected. 5. A transparent insulating substrate (12), a plurality of address buses (2) formed on the transparent insulating substrate (12) in parallel with each other, and intersecting the address bus (2) at right angles. A plurality of data buses (1) formed on the transparent insulating substrate (12), a plurality of pixels (31) formed on the transparent insulating substrate (12), and a plurality of filters having various color components. And each pixel (31) includes first and second display electrodes (3, 4) and first to fourth switching transistors (5 to 8), and first and second switching transistors ( The sources of 5, 7) are connected to the first display electrode (3), and the third and fourth switching transistors (6, 6)
The source of 8) is connected to the second display electrode (4), and the gates of the first and third switching transistors (5, 6) are connected to the pixel line (32) in which the pixel (31) is arranged.
Pixels (31) connected to the address bus (2) arranged between the pixel line and the previous pixel line and arranged in each pixel line (32) have a pixel repeating cycle with respect to a pixel of an adjacent pixel line. Is shifted by half the pitch of
The plurality of filter elements periodically form the first and second display electrodes (3, 4) in the same direction as the address bus (2) to form a line of red, green and blue filter elements.
The first line of the two adjacent filter element lines arranged above and including the two first filter elements, the two second filter elements and the two third filter elements comprises a first filter element, a second filter The repeating cycle of the element and the third filter element is arranged in the order red, green and blue,
In the second line, the repeating cycle of the first filter element, the second filter element and the third filter element is one second cycle.
A filter (19), in which a filter element, two third filter elements, two first filter elements, and one second element are arranged in this order; and the first and second display electrodes (3, 4) In an active matrix liquid crystal display panel comprising a liquid crystal (23) filled between the filter (19) and one of adjacent pixel lines (32), a first and a second pixel of each pixel are provided. The display electrodes (3, 4) are arranged in the same direction as the address bus (1) in one region between the two data buses (1) and the two address buses (2), and in other lines, The first and second display electrodes (3, 4) have an address bus (1) in a region between the two data buses (1) and two address buses (2).
And the drains of the first and third switching transistors (5, 6) of each pixel of the one line, which are arranged with one of the electrodes (3, 4) of the adjacent pixels in the same direction as the second connection. The drains of the second and fourth switching transistors (7, 8) are connected via a line (10) to a data bus (1) passing between the pixel concerned and a previous pixel on the same line as the pixel concerned. , Connected to a data bus (1) passing between the pixel and a previous pixel on the same line as the pixel via the second connection line (10), and connecting each pixel on the line next to the pixel line. The drains of the first to fourth switching transistors (5 to 8) are connected to the data bus (1) passing between the first and second display electrodes (3, 4) of the pixel, and the drain and Fourth switching transistor (7 The gate of 8) is connected via a first connection line (9) to an address bus (2) passing between two subsequent pixel lines of the pixel line in question, and a second and a second of the last pixel line. The gates of the four switching transistors (7, 8) are connected to the first address bus (2 ') of the next array via the first connection line (9), and
An active matrix liquid crystal display panel, characterized in that the drain of the last switching transistor (7) of the second line of the two adjacent pixel lines is connected to the last data bus (1 ') of the array. .