CN1437179A

CN1437179A - Pixel signal line module of liquid crystal display

Info

Publication number: CN1437179A
Application number: CN 02103183
Authority: CN
Inventors: 张平; 邬恒中
Original assignee: Giantplus Technology Co Ltd
Current assignee: Giantplus Technology Co Ltd
Priority date: 2002-02-04
Filing date: 2002-02-04
Publication date: 2003-08-20
Anticipated expiration: 2022-02-04
Also published as: CN1220968C

Abstract

The present invention is pixel signal line module of liquid crystal display. On the liquid crystal display panel comprising several subpixels cross arranged in mosaic mode, there are several signal scanning lines to connect the transversely arranged subpixels and several longitudinal data signal lines to connect the adjacent longitudinal arranged subpixels in sawtooth mode. The present invention makes signal lines uulimited by the subpixel arrangement, raised resolution, relatively great signal line width, lowered impedance and less signal distortion.

Description

The pixel signal line module of LCD

Technical field

The present invention is relevant a kind of LCD, particularly about a kind of pixel signal line module of LCD.

Background technology

Lifting along with material skill and quality of the life, each corner that the informatization product has been gone into the thick of life, display then becomes an indispensable outfit, its role is mainly the output unit of a performance picture and literal signal, the output system of an image is made of the pixel (Pixel) of the different lightnesses of many tools in general display, each pixel packets contains three tools red (R) respectively, green (G), blue (B) trichromatic sub-pixel (sub-pixel), make each sub-pixel connected by a signal sweep trace (Common) and a data signal line (Segment), and each signal sweep trace is subjected to signal scan line drive circuit supply sweep signal, each data signal line then is subjected to data signal line drive circuit supply image data, and then control the bright of each sub-pixel with dark, demonstrate the color of full color mode to be in harmonious proportion to scale via three primary colors.

In known display panels, when having R respectively, G, when a plurality of sub-pixels 12 of B color are arranged with mosaic, its pixel signal line module 10 as shown in Figure 1, data signal line 14 is to be the parallel longitudinal setting, and each data signal line 14 and pass transversely arranged in the spacing of two adjacent sub-pixels 12, to connect the sub-pixel 12 of longitudinal separation, signal sweep trace 16 is then for laterally be arrangeding in parallel, to connect each transversely arranged sub-pixel 12 respectively, at the edge of display panels and be provided with data signal line drive circuit 18 and signal scan line drive circuit 20, with the controlling and driving signal fast and scanned each sub-pixel 12 of repetitiousness to constitute a picture.

So the LCD along with general taking develops towards compact microminiaturization, under the condition that does not reduce image analytic degree, spacing between adjacent subpixels must reduce, therefore in the signal wire module of above-mentioned setting, the width of signal wire also must diminish relatively, and then cause the impedance of signal wire to increase, and make LCD when running, have voltage height, load is big and power consumption is high disappearance, and this kind layout and cause signal attenuation speed fast and produce the situation of signal distortion easily.

Summary of the invention

In view of above-mentioned disappearance, the present invention proposes a kind of pixel signal line module that is not subjected to the LCD of sub-pixel pitch restriction.It is that the control light and shade of a plurality of sub-pixels and GTG are to recently making a liquid crystal display displays image, this sub-pixel system is mosaic and arranges, make and have local block correspondence mutually between this adjacent subpixels, each this sub-pixel is subjected to horizontal first signal wire and a driving of secondary signal line longitudinally simultaneously, wherein, one of them is alternately displacement according to the staggered direction of this sub-pixel at least for this first signal wire and this secondary signal line, in regular turn this part block of this adjacent sub-pixel is interconnected by the zigzag mode.

Wherein this first signal wire and this secondary signal line can be signal sweep trace or data signal line.

The displacement of described signal wire system between the width of this sub-pixel that this signal wire is contained and two adjacent these sub-pixel pitch summations 10% to 90% between.

The horizontal width of this sub-pixel that each this secondary signal line is contained and the horizontal-direction pitch summation of two adjacent these sub-pixels are defined as transfer, and the summation of the vertical width of this sub-pixel that this first signal wire is contained with each and the vertical direction spacing of two adjacent these sub-pixels is defined as advance, and then the length of this transfer and this advance is than being between 0.4 to 2.5.

Described each this sub-pixel can be polygon.

The module that transparent conductive film constituted that this first signal wire and this secondary signal linear system are a kind of tin indium oxide.

The pixel signal line module of LCD of the present invention, not limited by the arrangement of the sub-pixel on the color filter, and have bigger ITO signal wire width, can reduce impedance and improve the situation of signal distortion, can make the LCD load little and power consumption is low, and improve its resolution.

Description of drawings

Fig. 1 is known pixel signal line module synoptic diagram.

Fig. 2 is a structure of liquid crystal display panel synoptic diagram.

Fig. 3 is a pixel signal line module synoptic diagram of the present invention.

Fig. 4 is the another embodiment of the present invention synoptic diagram.

Fig. 5 is an embodiment synoptic diagram more of the present invention.

Embodiment

One display panels 30 as shown in Figure 2, tie up to two transparency carriers 32,32 one colored filters of clamping in regular turn (color filter) 34 from top to bottom, transparent electrode plate 36, liquid crystal layer 38 and transparent electrode plate 36, and two transparency carriers 32,32 outside surface respectively covers a Polarizer 40, include plural number on this colored filter 34 and be selected from redness (R) respectively, the sub-pixel of green (G) and blue (B), as shown in Figure 3, sub-pixel 42 is evenly to be staggered with mosaic to form, the sub-pixel 42 of every interval one horizontally-arranged is arranged between two sub-pixels 42 of adjacent rows, and there is local block 44 corresponding mutually, this kind arrangement is called Delta again and arranges, each sub-pixel 42 bright and dark and be subjected to respectively horizontal first signal wire and being connected of secondary signal line longitudinally, this first signal wire and secondary signal linear system are respectively signal sweep trace 48 and data signal line 46, wherein, each signal sweep trace 48 is to be set in parallel and to contain the sub-pixel 42 of each horizontal proper alignment, each data signal line 46 is foundation being staggered of sub-pixel 42 and alternately turning left and the displacement of turning right longitudinally then, forming a laciniation, and then in regular turn the local block 44 of the sub-pixel 42 among the adjacent two vertical rows is interconnected.

Wherein, above-mentioned data signal line 46 and signal sweep trace 48 are respectively tin indium oxide (the Indio Tin Oxide of levels, ITO) module that is constituted, it is the transparent electrode plate 36 that evenly is arranged at display panels 30, on 36, each data signal line 46 and each signal sweep trace 48 also are connected with the driving element 50 that is arranged at display panels 30 edges respectively, make data signal line 46 and signal sweep trace 48 be subjected to the driving of this driving element 50, and the light and shade contrast of control sub-pixel 42 obtains the image of a series of different colors with the combination and variation by the sub-pixel 42 of tool different color; Be defined as transfer (Px) as if the horizontal width of the sub-pixel 42 that above-mentioned each data signal line 46 is contained and the horizontal-direction pitch summation of two adjacent sub-pixels 42, and the summation of the vertical direction spacing of the vertical width of the sub-pixel 42 that each signal sweep trace 48 is contained and two adjacent sub-pixels 42 is defined as advance (Py), then the length of transfer and advance can be between 0.4 to 2.5 than system, and the displacement that each data signal line 46 is turned left and turned right, then can between transfer 10% to 90% between.

In the present invention, because the arrangement that the design of data signal line 46 zigzag connexon pixels 42 local blocks 44 makes data signal line 46 will not be subject to the sub-pixel 42 on the display panels 30 limits, and has bigger width, layout compared to the data signal line of known display panels 30, the present invention has the advantage that can improve resolution and reduce impedance, to avoid signal to produce the situation of distortion, and the reduction of impedance also makes the required driving voltage of display panels 30 little, and reduces charge capacity and power consumption.

Another embodiment of the present invention as shown in Figure 4, each sub-pixel 42 is to be polygonal shape, make the arrangement of sub-pixel be the tortoise plastron shape, and data signal line 46 is alternately to turn left and the displacement of turning right according to being staggered of sub-pixel 42 longitudinally, and then vertically in the zigzag mode, in regular turn the sub-pixel 42 among the every adjacent two vertical rows is linked together, and be encompassed on sub-pixel 42 of each vertical arrangement, horizontal signal scanning line 48 is then contained the sub-pixel 42 of each horizontal proper alignment.

Relatively, pixel signal line module of the present invention also can be applicable on the different arrangement of subpixels, as shown in Figure 5, in this staggered sub-pixel 42, every interval one vertical row's sub-pixel 42 is to be arranged between two sub-pixels 42 of adjacent vertical row, data signal line 46 is to be arranged in parallel and contain the sub-pixel 42 of each vertical proper alignment longitudinally, each signal sweep trace 48 is horizontal being staggered of sub-pixel 42 of foundation and alternately up reaching toward bottom offset then, to form a horizontal direction laciniation, and then laterally in regular turn the sub-pixel 42 in every adjacent two horizontally-arrangeds is contained, and the local blocks 44 that adjacent sub-pixel 42 is laterally corresponding mutually link together.

Only the above is preferred embodiment of the present invention only, is not to be used for limiting scope of the invention process.Scope of patent protection of the present invention is defined by claims.

Claims

1. the pixel signal line module of a LCD, it is that the control light and shade of a plurality of sub-pixels and GTG are to recently making a liquid crystal display displays image, it is characterized in that, this sub-pixel system is mosaic and arranges, make and have local block correspondence mutually between this adjacent subpixels, each this sub-pixel is subjected to horizontal first signal wire and a driving of secondary signal line longitudinally simultaneously, wherein, one of them is alternately displacement according to the staggered direction of this sub-pixel at least for this first signal wire and this secondary signal line, in regular turn this part block of this adjacent sub-pixel is interconnected by the zigzag mode.

2. the pixel signal line module of LCD as claimed in claim 1 is characterized in that, this first signal wire and this secondary signal linear system are respectively signal sweep trace and data signal line.

3. the pixel signal line module of LCD as claimed in claim 1 is characterized in that, this first signal wire and this secondary signal linear system are respectively data signal line and signal sweep trace.

4. the pixel signal line module of LCD as claimed in claim 1 is characterized in that, the displacement of this signal wire system between the width of this sub-pixel that this signal wire is contained and two adjacent these sub-pixel pitch summations 10% to 90% between.

5. the pixel signal line module of LCD as claimed in claim 1, it is characterized in that, the horizontal width of this sub-pixel that each this secondary signal line is contained and the horizontal-direction pitch summation of two adjacent these sub-pixels are defined as transfer, and the summation of the vertical width of this sub-pixel that this first signal wire is contained with each and the vertical direction spacing of two adjacent these sub-pixels is defined as advance, and then the length of this transfer and this advance is than being between 0.4 to 2.5.

6. the pixel signal line module of LCD as claimed in claim 1 is characterized in that, each this sub-pixel can be polygon.

7. the pixel signal line module of LCD as claimed in claim 1 is characterized in that, the module that transparent conductive film constituted that this first signal wire and this secondary signal linear system are a kind of tin indium oxide.

8. the pixel signal line module of LCD as claimed in claim 1 is characterized in that, this pixel system evenly is selected from red, blue, green three kinds of colors respectively.