CN101424845B - LCD panel - Google Patents
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- CN101424845B CN101424845B CN2007101682864A CN200710168286A CN101424845B CN 101424845 B CN101424845 B CN 101424845B CN 2007101682864 A CN2007101682864 A CN 2007101682864A CN 200710168286 A CN200710168286 A CN 200710168286A CN 101424845 B CN101424845 B CN 101424845B
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Abstract
The invention relates to a liquid crystal display panel which comprises an opposite base plate, a driving component array base plate and a plurality of conducting objects, wherein the opposite base plate is provided with a plurality of transparent conducting blocks. The conducting objects are arranged between the opposite base plate and the driving component array base plate. The driving component array base plate comprises a plurality of scanning lines, a plurality of data lines, a plurality of common lines, a plurality of first driving components, a plurality of pixel electrodes, a plurality of second driving components and a plurality of storage electrodes. Each first driving component is electrically connected to each scanning line and each data line; and each pixel electrode is electrically connected to each first driving component. Each second driving component is electrically connected to each scanning line and each common line; and each storage electrode is electrically connected to each second driving component. Each conducting object is respectively and electrically connected to each transparent conducting block and each storage electrode, therefore, the liquid crystal display panel has lower image flash degree.
Description
Technical field
The invention relates to a kind of display panel, and particularly relevant for a kind of display panels.
Background technology
Because the demand of display grows with each passing day, so industry drops into the development of related display with all strength.Wherein, (cathode ray tube CRT) because of having excellent display quality and technology maturation, therefore monopolizes the monitor market all the year round with cathode-ray tube (CRT) again.Yet, recently since the rise of environmental protection notion for its energy resource consumption big with produce the bigger characteristic of radiant quantity, add that product flattening space is limited, therefore can't satisfy the market trend of market for light, thin, short, little, U.S. and low consumpting power.Therefore, have that high image quality, space utilization efficient are good, (thin film transistor liquid crystal display TFT-LCD) becomes the main flow in market to the Thin Film Transistor-LCD of low consumpting power, advantageous characteristic such as radiationless gradually.
Show module (TFT-LCD module) with tft liquid crystal, it is made of a display panels (liquid crystal display panel) and a module backlight (backlight module).Wherein, display panels normally is made of a thin-film transistor array base-plate (thin film transistorarray substrate), a colored optical filtering substrates (color filter substrate) and a liquid crystal layer that is disposed between this two substrates, and module backlight is in order to provide this display panels required area source, so that the liquid crystal display module reaches the effect of demonstration.
In when work, close (gate-off) when voltage is closed when the grid that thin film transistor (TFT) is scanned line and provides, the voltage on the pixel electrode can produce pressure drop suddenly because of feed-trough voltage (feed-through voltage).In addition, the size of feed-trough voltage generally is relevant with gate electrode, drain electrode and the sweep trace of thin film transistor (TFT), stray capacitance between the data line.For general demonstration, above-mentioned feed-trough voltage is more little, and the phenomenon of film flicker (flicker) or image ghost (IMAGE STICKING) just is not easy to produce more.In other words, display quality is also just good more.
Summary of the invention
The invention provides a kind of display panels, to reduce the degree of film flicker.
The present invention proposes a kind of display panels, and it comprises a subtend substrate, an active elements array substrates and a plurality of conducting objects, and wherein the subtend substrate has a plurality of electrically conducting transparent pieces, and these electrically conducting transparent pieces are each other for being electrically insulated.Active elements array substrates comprises a substrate, multi-strip scanning line, many data lines, many common lines, a plurality of first active component, a plurality of pixel electrode, a plurality of second active component and a plurality of storage electrodes.Wherein sweep trace, data line, common line, first active component, pixel electrode, second active component and storage electrode are disposed on the substrate.Each first active component is electrically connected to corresponding scanning line and data line, and each pixel electrode be electrically connected to these first active components one of them.Each second active component is electrically connected to sweep trace and common line, and each storage electrode be electrically connected to these second active components one of them.Conducting objects is disposed between active elements array substrates and the subtend substrate, and each conducting objects be electrically connected to respectively these electrically conducting transparent pieces one of them and these storage electrodes one of them.
In display panels of the present invention, each conducting objects comprises a body and a transparency conducting layer that covers this body.
In display panels of the present invention, body is disposed on the subtend substrate, and transparency conducting layer and these electrically conducting transparent pieces are same rete.
In display panels of the present invention, the subtend substrate has a chromatic filter layer, and body is the some of chromatic filter layer, and this body comprise at least one first chromatograph, one second chromatograph and one the 3rd chromatograph one of them.
In display panels of the present invention, body is the photoresistance sept.
In display panels of the present invention, body is disposed on the active elements array substrates, and transparency conducting layer and these pixel electrodes be same rete, and transparency conducting layer and these pixel electrodes are electrically insulated each other.
In display panels of the present invention, common line and sweep trace are same rete.
In display panels of the present invention, common line and data line are same rete.
In display panels of the present invention, storage electrode and data line are same rete.
In display panels of the present invention, first active component is identical with the feed-trough voltage that second active component is caused.
In display panels of the present invention, storage electrode is parallel with sweep trace.
In display panels of the present invention, storage electrode is parallel with data line.
Display panels of the present invention also comprises a liquid crystal layer, and it is disposed between the electrically conducting transparent piece and active elements array substrates of subtend substrate.
Based on above-mentioned, the present invention disposes independently electrically conducting transparent piece on the subtend substrate, and the common electric voltage that common line transmitted conducts to the electrically conducting transparent piece via second active component and conducting objects.In addition, the feed-trough voltage that produced of first active component and second active component is close.When first active component and second active component were closed, the voltage difference between electrically conducting transparent piece and the pixel electrode can't significantly change.Therefore, the degree of film flicker or image ghost can alleviate, to improve display quality.
Description of drawings
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, below in conjunction with accompanying drawing the specific embodiment of the present invention is elaborated, wherein:
Fig. 1 is the structural drawing according to a kind of display panels of one embodiment of the invention.
Fig. 2 is the sectional view of the conducting objects among Fig. 1.
Fig. 3 is the equivalent circuit diagram according to a kind of display panels of one embodiment of the invention.
Fig. 4 A and Fig. 4 B are the sectional views of another kind of conducting objects.
Fig. 5 is the structural drawing according to a kind of display panels of another embodiment of the present invention.
The main element symbol description:
10a, 10b: display panels
100: the subtend substrate
110: substrate
120: the electrically conducting transparent piece
200: liquid crystal layer
300: active elements array substrates
302: gate insulator
304: semiconductor layer
306: protective seam
306a: contact hole
308: transparency conducting layer
310: substrate
320: sweep trace
330: data line
340,340a: common line
350: the first active components
350d, 370d: drain electrode
350s, 370s: source electrode
360: pixel electrode
370: the second active components
370a: contact hole
380,380a: storage electrode
400: conducting objects
410,410a, 410b: body
412: the first chromatographs
414: the second chromatographs
420: transparency conducting layer
Embodiment
Fig. 1 is the structural drawing according to a kind of display panels of one embodiment of the invention, and Fig. 2 is the sectional view of the conducting objects among Fig. 1.Please refer to Fig. 1 and Fig. 2, for the purpose of simplifying the description, present embodiment only describes with single pixel region.This display panels 10a comprises a subtend substrate 100, a liquid crystal layer 200, an active elements array substrates 300 and a plurality of conducting objects 400, wherein subtend substrate 100 comprises a substrate 110 and a plurality of electrically conducting transparent pieces 120 that are disposed on substrate 110, and these electrically conducting transparent pieces 120 are each other for being electrically insulated.Liquid crystal layer 200 and conducting objects 400 are disposed between the electrically conducting transparent piece 120 and active elements array substrates 300 of subtend substrate 100.
Active elements array substrates 300 comprises a substrate 310, multi-strip scanning line 320, many data lines 330, many common lines 340, a plurality of first active component 350, a plurality of pixel electrode 360, a plurality of second active component 370 and a plurality of storage electrodes 380.Wherein sweep trace 320, data line 330, common line 340, first active component 350, pixel electrode 360, second active component 370 are disposed on the substrate 310 with storage electrode 380.In the present embodiment, second active component 370 and first active component 350 be for having the thin film transistor (TFT) of top grid, but second active component 370 and first active component 350 also can be the on-off elements of three terminals of thin film transistor (TFT), low-temperature polysilicon film transistor or other types with bottom grid.
First active component 350 is electrically connected to sweep trace 320 and data line 330, and pixel electrode 360 is electrically connected to first active component 350.More specifically, first active component 350 comprises a drain electrode 350d and an one source pole 350s.Wherein source electrode 350s and data line 330 electrically connect.In addition, first active component 350 has a contact hole 350a, and drain electrode 350d is electrically connected to pixel electrode 360 via contact hole 350a.In addition, drain electrode 350d and source electrode 350s are disposed at sweep trace 320 tops, so the some of sweep trace 320 is as grid.Yet in another embodiment, first active component 350 also can have independently grid.
Second active component 370 is electrically connected to sweep trace 320 and common line 340, and storage electrode 380 is electrically connected to second active component 370.More specifically, second active component 370 comprises a drain electrode 370d and an one source pole 370s.370d and the storage electrode 380 that wherein drain electrically connects, and storage electrode 380 is same rete with data line 330.In addition, in the present embodiment, because common line 340 is same rete with sweep trace 320, therefore second active component 370 has more a contact hole 370a.And source electrode 370s is electrically connected to common line 340 via contact hole 370a.In addition, drain electrode 370d and source electrode 370s are disposed at sweep trace 320 tops, so the some of sweep trace 320 is as grid.Yet in another embodiment, second active component 370 also can have independently grid.In the present embodiment, storage electrode 380 is parallel with sweep trace 320, however storage electrode 380 also can with data line 330 almost parallels (as shown in Figure 5) or other patterns.
Please continue with reference to figure 1 and Fig. 2, conducting objects 400 is electrically connected to electrically conducting transparent piece 120 and storage electrode 380 respectively.In more detail, conducting objects 400 comprises a body 410 and a transparency conducting layer 420, and body 410 is disposed on the subtend substrate 100, and transparency conducting layer 420 covers body 410.In the present embodiment, body 410 comprises one first chromatograph 412 and one second chromatograph 414, and first chromatograph 412 and second chromatograph 414 are the some of the chromatic filter layer (not illustrating) of subtend substrate 100.For example, first chromatograph 412 be red chromatograph, blue chromatograph and green chromatograph one of them, and second chromatograph 414 is wherein another of red chromatograph, blue chromatograph and green chromatograph.Yet in order to change the height of body 410, body 410 also can be stacked or a chromatograph is formed by three chromatographs.In addition, transparency conducting layer 420 is same rete with electrically conducting transparent piece 120.
Moreover; in order to reduce the height of body 410; active elements array substrates 300 comprises a gate insulator 302, semi-conductor layer 304, a protective seam 306 and a transparency conducting layer 308; wherein gate insulator 302 can be disposed at contact hole 370b below with semiconductor layer 304, and transparency conducting layer 308 electrically connects with the storage electrode 380 that contact hole 370b is exposed.Perhaps, transparency conducting layer 308 also can dispose in the contact hole 370b, and electrically connects with storage electrode 380, and transparency conducting layer 420 is electrically connected to storage electrode 380 via transparency conducting layer 308.
Fig. 3 is the equivalent circuit diagram according to a kind of display panels of one embodiment of the invention.Please refer to Fig. 1 and Fig. 3, Cgd1 represents the stray capacitance between the drain electrode 350d of the sweep trace 330 and first active component 350, and Cgd2 represents the stray capacitance between the drain electrode 370d of the sweep trace 330 and second active component 370.Cs represents the storage capacitors between storage electrode 380 and the pixel electrode 360, and the liquid crystal capacitance between Clc represent pixel electrode 360 and the electrically conducting transparent piece 120.
Divided into a plurality of independently electrically conducting transparent pieces 120 on the subtend substrate 100, and the common electric voltage that common line 340 is transmitted conducts to electrically conducting transparent piece 120 via second active component 370, storage electrode 380 with conducting objects 400.In addition, when the drain electrode 370d of second active component 370 and the overlapping area between the sweep trace 330 during similar in appearance to the drain electrode 350d of first active component 350 and the overlapping area between the sweep trace 330, therefore Cgd1 and Cgd2 are also just roughly the same, and the feed-trough voltage that caused of first active component 350 and second active component 370 is also just roughly the same.In other words, when first active component 350 and second active component 370 were closed, the voltage drop of the electrically conducting transparent piece 120 of subtend substrate 100 was approximately identical to the voltage drop of the pixel electrode 360 of active elements array substrates 300.In other words, when first active component 350 and second active component 370 were closed, the voltage difference between pixel electrode 360 and the electrically conducting transparent piece 120 did not have significantly and changes, so the degree of film flicker or image ghost just can alleviate.
Fig. 4 A and Fig. 4 B are the sectional views of another kind of conducting objects.Please refer to Fig. 4 A, the conducting objects 400a of Fig. 4 is similar to the conducting objects of Fig. 2 400, and the body 410a of conducting objects 400a is disposed on the subtend substrate 100, and transparency conducting layer 420 covers body 410a.In addition, body 410a is the photoresistance sept.
Please refer to Fig. 4 B, the body 410b of conducting objects 400b is disposed on the active elements array substrates 300, and transparency conducting layer 308 covers body 410b.In addition, body 410b is the photoresistance sept.In addition, transparency conducting layer 308 is same rete with pixel electrode 360, but transparency conducting layer 308 and pixel electrode 360 are each other for being electrically insulated.
Fig. 5 is the structural drawing according to a kind of display panels of another embodiment of the present invention.Please refer to Fig. 5, the display panels 10b of Fig. 5 is similar to the display panels 10a of Fig. 1, its difference is: in display panels 10b, common line 340a and data line 330 are same rete, and storage electrode 380a and data line 330 almost parallels.In addition, active elements array substrates 300a has a plurality of contact hole 306a, and conducting objects 400 is electrically connected to storage electrode 380 via contact hole 306a, and the common electric voltage that therefore common line 340a transmitted just can conduct to the electrically conducting transparent piece 120 of subtend substrate 100 via conducting objects 400.In addition, above-mentioned conducting objects 400a, 400b also can be applied among this display panels 10b.
Though the present invention discloses as above with preferred embodiment; right its is not in order to qualification the present invention, any those skilled in the art, without departing from the spirit and scope of the present invention; when can doing a little modification and perfect, so protection scope of the present invention is when with being as the criterion that claims were defined.
Claims (12)
1. display panels is characterized in that comprising:
One active elements array substrates comprises:
One substrate;
The multi-strip scanning line is disposed on this substrate;
Many data lines are disposed on this substrate;
Many common lines are disposed on this substrate;
A plurality of first active components are disposed on this substrate, and respectively this first active component is electrically connected to corresponding this sweep trace and this data line;
A plurality of pixel electrodes are disposed on this substrate, and respectively this pixel electrode be electrically connected to those first active components one of them;
A plurality of second active components are disposed on this substrate, and respectively this second active component is electrically connected to this sweep trace and this common line; And
A plurality of storage electrodes are disposed on this substrate, respectively this storage electrode be electrically connected to those second active components one of them;
One subtend substrate has a plurality of electrically conducting transparent pieces, and those electrically conducting transparent pieces are each other for being electrically insulated;
One liquid crystal layer is disposed between those electrically conducting transparent pieces and this active elements array substrates of this subtend substrate; And
A plurality of conducting objects are disposed between this active elements array substrates and this subtend substrate, and respectively this conducting objects be electrically connected to respectively those electrically conducting transparent pieces one of them and those storage electrodes one of them.
2. display panels as claimed in claim 1 is characterized in that, respectively this conducting objects comprises a body and a transparency conducting layer that covers this body.
3. display panels as claimed in claim 2 is characterized in that, this body is disposed on this subtend substrate, and this transparency conducting layer and those electrically conducting transparent pieces are same rete.
4. display panels as claimed in claim 3, it is characterized in that, this subtend substrate has a chromatic filter layer, and this body is the some of this chromatic filter layer, and this body comprise at least one first chromatograph, one second chromatograph and one the 3rd chromatograph one of them.
5. display panels as claimed in claim 3 is characterized in that, this body is the photoresistance sept.
6. display panels as claimed in claim 2 is characterized in that this body is disposed on this active elements array substrates, and this transparency conducting layer and those pixel electrodes are same rete, and this transparency conducting layer and those pixel electrodes are electrically insulated each other.
7. display panels as claimed in claim 1 is characterized in that, those common lines and those sweep traces are same rete.
8. display panels as claimed in claim 1 is characterized in that, those common lines and those data lines are same rete.
9. display panels as claimed in claim 1 is characterized in that, those storage electrodes and those data lines are same rete.
10. display panels as claimed in claim 1 is characterized in that, those first active components are identical with the feed-trough voltage that those second active components are caused.
11. display panels as claimed in claim 1 is characterized in that, those storage electrodes are parallel with those sweep traces.
12. display panels as claimed in claim 1 is characterized in that, those storage electrodes are parallel with those data lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101682864A CN101424845B (en) | 2007-11-01 | 2007-11-01 | LCD panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101682864A CN101424845B (en) | 2007-11-01 | 2007-11-01 | LCD panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101424845A CN101424845A (en) | 2009-05-06 |
| CN101424845B true CN101424845B (en) | 2010-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101682864A Expired - Fee Related CN101424845B (en) | 2007-11-01 | 2007-11-01 | LCD panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101424845B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1267837A (en) * | 1999-03-16 | 2000-09-27 | 松下电器产业株式会社 | Producing process for active element array substrate |
| CN1470907A (en) * | 2002-07-24 | 2004-01-28 | Nec液晶技术株式会社 | Active-matrix liquid crystal display device and making method thereof |
| CN1936658A (en) * | 2005-09-19 | 2007-03-28 | 联诚光电股份有限公司 | Liquid crystal displaying panel and its preparing method |
-
2007
- 2007-11-01 CN CN2007101682864A patent/CN101424845B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1267837A (en) * | 1999-03-16 | 2000-09-27 | 松下电器产业株式会社 | Producing process for active element array substrate |
| CN1470907A (en) * | 2002-07-24 | 2004-01-28 | Nec液晶技术株式会社 | Active-matrix liquid crystal display device and making method thereof |
| CN1936658A (en) * | 2005-09-19 | 2007-03-28 | 联诚光电股份有限公司 | Liquid crystal displaying panel and its preparing method |
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| Publication number | Publication date |
|---|---|
| CN101424845A (en) | 2009-05-06 |
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Granted publication date: 20100929 Termination date: 20191101 |