CN101149547A - Display device - Google Patents
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- CN101149547A CN101149547A CNA2006101543424A CN200610154342A CN101149547A CN 101149547 A CN101149547 A CN 101149547A CN A2006101543424 A CNA2006101543424 A CN A2006101543424A CN 200610154342 A CN200610154342 A CN 200610154342A CN 101149547 A CN101149547 A CN 101149547A
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Abstract
There is a sort of liquid crystal panel, and it consists of the active device array baseboard, the opposite baseboard, the liquid crystal layer which is fixed between the active device array baseboard and the opposite baseboard, and the figurative insulated layer. In the active device array baseboard, several picture element areas are divided by the scanning beam and the data wire in the first baseboard, and the active device connects with the corresponding scanning beam and the data wire. The deactivation layer covers the first baseboard, the scanning beam, the data wire, and the active device. The first transparent electric pole consists of several picture element poles which connect with the corresponding active device and several strip line which connect with the data wire. The relative baseboard consists of the second baseboard and the second transparent pole which is fixed in this second baseboard. The figurative insulated layer consists of several insulated pictures. The insulated picture is fixed between the second transparent electric pole and the strip line, and it extends along every strip line.
Description
Technical field
The invention relates to a kind of display panels and LCD, particularly about a kind of active formula display panels and LCD.
Background technology
Liquid crystal display panel of thin film transistor is mainly by thin-film transistor array base-plate (thin filmtransistor array, TFT array), colored optical filtering substrates (color filter) and liquid crystal layer (liquidcrystal layer) constitute, wherein thin-film transistor array base-plate is formed by the thin film transistor (TFT) of a plurality of arrayed and with the pixel electrode (pixel electrode) of the corresponding setting of each thin film transistor (TFT).And thin film transistor (TFT) is used for the switch module as liquid crystal display.In addition, in order to control other pixel, usually can be, and by suitable operating voltage is provided via sweep trace (scan line) and data line (date line) choosing specific pixel, with demonstration to video data that should pixel.
Figure 1A illustrates the local top view of known thin-film transistor array base-plate, and Figure 1B illustrates along the sectional view of the I-I ' line of Figure 1A.Please refer to Figure 1A and Figure 1B, in known thin-film transistor array base-plate 100, sweep trace 120 is arranged on the substrate 110 with data line 130, and marks off a plurality of pixel regions 112 on substrate 110.Be provided with dielectric layer 140 between sweep trace 120 and the data line 130, and thin film transistor (TFT) 150 is arranged in each pixel region 112, and is electrically connected with corresponding scanning line 120 and data line 130.In addition, passivation layer 160 covers sweep traces 120, data line 130, pixel region 112 and thin film transistor (TFT) 150, and pixel electrode 170 is separately positioned on the passivation layer 160 in the pixel region 112, and is electrically connected with corresponding thin film transistor (TFT) 150.
Be known in when making thin-film transistor array base-plate, often easily because defective workmanship or other factors, and the situation of data line 130 fractures takes place, cause the signal that data line 130 transmitted can't be, thereby cause partial pixel normally to show by fracture place 132.
In order to improve above-mentioned phenomenon, in thin-film transistor array base-plate 100, a plurality of strip circuits 180 are arranged on the passivation layer 160 of each data line 130 top, and a plurality of openings 162 that each strip circuit 180 sees through in the passivation layer 160 are electrically connected with corresponding data line 130.In other words, in known thin-film transistor array base-plate 100, transmit signal by data line 130 and strip circuit 180 simultaneously, even therefore data line 130 fractures still can transmit signal by strip circuit 180.That is strip circuit 180 is standby security circuit.In addition, strip circuit 180 is identical with the material of pixel electrode 170, and forms simultaneously with it.
Fig. 2 A illustrates the diagrammatic cross-section of known colored optical filtering substrates, and Fig. 2 B illustrates along the sectional view of the II-II ' line of Fig. 2 A.Please refer to Fig. 2 A and Fig. 2 B, known colored optical filtering substrates 200 comprises substrate 210, a plurality of color filter patterns 220, black matrix 230 and transparent electrode layer 240.Wherein, color filter patterns 220 is arranged on the substrate 210, and corresponding with the pixel region 112 of thin-film transistor array base-plate 100 (as shown in Figure 1), and is separated by black matrix 230 between each color filter patterns 220.In addition, transparent electrode layer 240 covers color filter patterns 220 and black matrix 230.
Because the superiors of thin-film transistor array base-plate 100 are pixel electrode 170 and strip circuit 180, and the superiors of colored optical filtering substrates 200 are transparent electrode layer 240.When the user is pressed onto display panels accidentally, cause the partial pixel electrode 170 of thin-film transistor array base-plate 100 to contact with the transparent electrode layer 240 of colored optical filtering substrates 240 with strip circuit 180 easily and be short-circuited, bright spot and bright line appear in the picture that causes display panels to demonstrate.Wherein, because and between the transparent electrode layer 240 the pairing picture of strip circuit 180 its whole piece line segments (whole piece data line 130) that is short-circuited all bright line can appear, thereby the taste that has a strong impact on the display quality of display panels and use.
Summary of the invention
In view of this, purpose of the present invention just provides a kind of display panels, is short-circuited between the pixel electrode with the strip circuit that prevents active-device array basal plate and opposing substrates.
Another object of the present invention provides a kind of LCD, is short-circuited between the pixel electrode with the strip circuit that prevents active-device array basal plate and opposing substrates.
Based on above-mentioned and other purpose, the present invention proposes a kind of display panels, and it comprises active-device array basal plate, opposing substrates, is arranged on liquid crystal layer and patterned insulation layer between opposing substrates and the active-device array basal plate.Wherein, active-device array basal plate comprises first substrate, multi-strip scanning line, many data lines, a plurality of active device, passivation layer and first transparent electrode layers.Sweep trace and data line are arranged on first substrate, and form a plurality of pixel regions on first substrate, and each active device and corresponding scanning line and data line are electrically connected.Passivation layer covers first substrate, sweep trace, data line and active device.In addition, first transparent electrode layer comprises a plurality of pixel electrodes and a plurality of strip circuit.Pixel electrode is separately positioned on the interior passivation layer of pixel region, and is electrically connected with corresponding active device, and the strip circuit is separately positioned on the passivation layer of data line top, and is electrically connected with data line.In addition, opposing substrates comprises second substrate and second transparent electrode layer disposed thereon.Patterned insulation layer comprises a plurality of insulating patterns, and it is arranged between second transparent electrode layer and the strip circuit, and insulating pattern extends and arranges along each strip circuit.
In above-mentioned display panels, each insulating pattern for example expands to the pixel region of each strip circuit both sides.
In above-mentioned display panels, patterned insulation layer for example is arranged on second transparent electrode layer.
In above-mentioned display panels, each insulating pattern for example comprises a plurality of blockies or strip pattern.
In above-mentioned display panels, the material of patterned insulation layer for example is the photosensitive type resin.
In above-mentioned display panels, opposing substrates for example also comprises a plurality of color filter patterns, and it is arranged between second substrate and second transparent electrode layer, and corresponding with the pixel region of active-device array basal plate.
In above-mentioned display panels, active-device array basal plate for example is a thin-film transistor array base-plate.
In above-mentioned display panels, passivation layer for example has a plurality of first openings, so that pixel electrode sees through first opening and active device is electrically connected.
In above-mentioned display panels, passivation layer has a plurality of second openings, so that second opening is crossed by stripline runs Reuter and data line is electrically connected.
The present invention also proposes a kind of LCD, the backlight module that it comprises above-mentioned display panels and is arranged on this display panels one side.
Display panels of the present invention is because of adopting a plurality of insulating patterns, and it is arranged between second transparent electrode layer of the strip circuit of active-device array basal plate and opposing substrates, therefore can effectively avoid being short-circuited between the strip circuit and second transparent electrode layer.
Understand above and other objects of the present invention, feature and advantage for clear, below the spy provide preferred embodiment, and conjunction with figs. is described in detail below.
Description of drawings
Figure 1A illustrates the local top view of known thin-film transistor array base-plate;
Figure 1B illustrates along the sectional view of the I-I ' line of Figure 1A;
Fig. 2 A illustrates the diagrammatic cross-section of known colored optical filtering substrates;
Fig. 2 B illustrates along the sectional view of the II-II ' line of Fig. 2 A;
Fig. 3 illustrates the diagrammatic cross-section according to the LCD of the embodiment of the invention;
Fig. 4 A and Fig. 4 B illustrate the active-device array basal plate of Fig. 3 and the local top view of opposing substrates respectively;
Fig. 5 A illustrates along the sectional view of the A-A ' line of Fig. 4 A;
Fig. 5 B illustrates along the sectional view of the B-B ' line of Fig. 4 B;
Fig. 6 illustrates the local top view of opposing substrates according to another embodiment of the present invention.
Embodiment
Fig. 3 illustrates the diagrammatic cross-section according to the LCD of the embodiment of the invention, and Fig. 4 A and Fig. 4 B illustrate the active-device array basal plate of Fig. 3 and the local top view of opposing substrates respectively.In addition, Fig. 5 A illustrates along the sectional view of the A-A ' line of Fig. 4 A, and Fig. 5 B illustrates along the sectional view of the B-B ' line of Fig. 4 B.
Please refer to Fig. 3 to Fig. 5 B, the LCD 50 of present embodiment comprises display panels 60 and backlight module 70.Backlight module 70 is arranged on a side of display panels 60, to provide display panels 60 required light source.Wherein, backlight module 70 can be direct type backlight module or side incident type backlight module.In addition, display panels 60 comprises active-device array basal plate 300, opposing substrates 400 and liquid crystal layer 80, and this liquid crystal layer 80 is arranged between opposing substrates 400 and the active-device array basal plate 300.
As mentioned above, active-device array basal plate 300 comprises first substrate 310, multi-strip scanning line 320, many data lines 330, a plurality of active device 340 (among Fig. 4 A only with an expression), passivation layer 350 and first transparent electrode layer 360.Wherein, sweep trace 320 and data line 330 are arranged on first substrate 310, and mark off a plurality of pixel regions 312 on first substrate 310, and each active device 340 is electrically connected with corresponding scanning line 320 and data line 330.In addition, passivation layer 350 covers first substrate 310, sweep trace 320, data line 330 and active device 340.First transparent electrode layer 360 comprises a plurality of pixel electrodes 362 and a plurality of strip circuit 364.Pixel electrode 362 is separately positioned on the passivation layer 350 in the pixel region 312, and is electrically connected with corresponding active device 340, and strip circuit 364 is separately positioned on the passivation layer 350 of data line 330 tops, and is electrically connected with data line 330.In addition, opposing substrates 400 comprises second substrate 410 and second transparent electrode layer 420 disposed thereon.
Above-mentioned active-device array basal plate 300 for example is a thin-film transistor array base-plate, and for example is provided with dielectric layer 370 between sweep trace 320 and the data line 330.Passivation layer 350 for example has a plurality of first openings 352 and second opening 354, and pixel electrode 362 sees through first opening 352 and active device 340 is electrically connected, and strip circuit 364 sees through second opening 354 and is electrically connected with data line 330.In addition, the material of first transparent electrode layer 360 for example be indium tin oxide (Indium Tin Oxide, ITO), indium-zinc oxide (Indium Zinc Oxide, IZO) or other transparent conductive material.Dielectric layer 370 is insulating material with the material of passivation layer 350, as silicon nitride.
Above-mentioned opposing substrates 400 for example is a colored optical filtering substrates, and it also comprises a plurality of color filter patterns 430.These color filter patterns 430 are arranged between second substrate 410 and second transparent electrode layer 420, and corresponding with the pixel region 312 of active-device array basal plate 300.In addition, for example separate between each color filter patterns 430 with black matrix 440.In addition, the material of second transparent electrode layer 420 for example is indium tin oxide, indium-zinc oxide or other transparent conductive material.
In active-device array basal plate 300, because strip circuit 364 is arranged on the passivation layer 350 of each data line 330 top, and second opening 354 that sees through in the passivation layer 350 is electrically connected with corresponding data line 330, even so data line 330 fractures (shown in the data line 330 on Fig. 4 A left side) still can transmit signal by strip circuit 364.That is strip circuit 364 is standby security circuit.In addition, when preventing that the user is pressed onto display panels 60 accidentally, cause the strip circuit 364 of active-device array basal plate 300 to contact and be short-circuited, cause display panels 60 shown pictures the situation of bright line to occur with second transparent electrode layer 420 of opposing substrates 400.The display panels 60 of present embodiment also comprises patterned insulation layer 90, and it comprises a plurality of insulating patterns 92, and these insulating patterns 92 are arranged between second transparent electrode layer 420 and the strip circuit 364.
Above-mentioned insulating pattern 92 for example expands to the pixel region 312 of each strip circuit 364 both sides.In other words, the width d1 of insulating pattern 92 is greater than the width d2 of strip circuit 364.In addition, patterned insulation layer 90 for example is arranged on second transparent electrode layer 420, and each insulating pattern 92 for example is a strip pattern.In an embodiment, the material of patterned insulation layer 90 for example is the photosensitive type resin.
In a preferred embodiment of the invention, because second transparent electrode layer 420 is provided with patterned insulation layer 90 (shown in Fig. 5 B), and the width d1 of each insulating pattern 92 is greater than the width d2 of strip circuit 364, when the user was pressed onto display panels 60 accidentally, strip circuit 364 can touch patterned insulation layer 90 and can not touch second transparent electrode layer 420.So, thereby the display panels of present embodiment 60 can effectively be avoided being short-circuited between the strip circuit 364 and second transparent electrode layer 420 and causes its shown picture that goes out the situation of bright line to occur.
What deserves to be mentioned is, the patterned insulation layer 90 of present embodiment can with the wide viewing angle technology, as multiple regions perpendicular permutation technology (Multi-domain Vertical Alignment, MVA) employed LCD alignment thrust (protrusion) forms simultaneously in, or with colored optical filtering substrates in order to keep sensitization separation material (the Photo Spacer of gap of liquid crystal cell (cell gap), PS) form in same technology, so do not need additionally to increase costs such as material cost, production time, equipment.
Fig. 6 illustrates the local top view of the opposing substrates of another embodiment of the present invention.Please refer to Fig. 6, the opposing substrates 400 ' of present embodiment is similar to the opposing substrates 400 shown in Fig. 4 B, below only describes at difference.In the present invention, each insulating pattern 92 of patterned insulation layer 90 is not limited only to strip pattern (shown in Fig. 4 B), it also can be made up of a plurality of blocky 92a, and the width d3 of blocky 92a is greater than the width d2 of strip circuit 364 (shown in Fig. 4 A).In addition, maximum spacing between the blocky 92a of each insulating pattern 92 is with when the user is pressed onto display panels 60 accidentally, and the strip circuit 364 that second transparent electrode layer 420 of opposing substrates 400 is not easy to touch active-device array basal plate 300 is principle.In addition, each blocky 92a on making still can with the wide viewing angle technology, form simultaneously as employed LCD alignment thrust in the multiple regions perpendicular permutation technology, or with colored optical filtering substrates in order to the sensitization separation material of keeping gap of liquid crystal cell in same technology, for example be in photoetching process, to form, so do not need additionally to increase costs such as material cost, production time, equipment.
It should be noted that above-mentioned patterned insulation layer 90 on second transparent electrode layer 420 that can be arranged on opposing substrates 400/400 ', can also in similar technology, be arranged on the strip shaped electric poles 364 of active-device array basal plate 300.
In sum, the present invention has following advantage at least:
Since display panels because of the insulating pattern between second transparent electrode layer that adopts a plurality of strip circuits that are arranged on active-device array basal plate and opposing substrates, be short-circuited between the strip circuit and second transparent electrode layer avoiding.Therefore, the present invention can effectively prevent to occur in the shown picture of display panels the situation of bright line.
2. patterned insulation layer of the present invention can form simultaneously with employed LCD alignment thrust in the wide viewing angle technology, or with colored optical filtering substrates on form simultaneously in order to the sensitization separation material of keeping gap of liquid crystal cell, so do not need additionally to increase costs such as material cost, production time, equipment.
Though disclose the present invention with top preferred embodiment; yet it is not to be used to limit the present invention; those skilled in the art; under the situation that does not break away from the spirit and scope of the present invention; can change or improve it, so protection scope of the present invention should be by being as the criterion that appended claims limited.
Claims (20)
1. display panels comprises:
Active-device array basal plate comprises:
First substrate;
The multi-strip scanning line is arranged on this first substrate;
Many data lines are arranged on this first substrate, and this data line marks off a plurality of pixel regions with this sweep trace on this first substrate;
A plurality of active devices are arranged on this first substrate, and described each active device is electrically connected with corresponding this sweep trace and this data line;
Passivation layer covers this first substrate, this sweep trace, this data line and this active device;
First transparent electrode layer comprises:
A plurality of pixel electrodes are separately positioned on this passivation layer in this pixel region, and are electrically connected with corresponding this active device;
A plurality of strip circuits are separately positioned on this passivation layer of this data line top, and are electrically connected with this data line;
Opposing substrates is arranged on a side of this active-device array basal plate, and this opposing substrates comprises:
Second substrate;
Second transparent electrode layer is arranged on this second substrate;
Patterned insulation layer comprises a plurality of insulating patterns, is arranged between this second transparent electrode layer and this strip circuit, and wherein this insulating pattern extends and arranges along this strip circuit respectively; And
Liquid crystal layer is arranged between this active-device array basal plate and this opposing substrates.
2. display panels as claimed in claim 1, wherein this insulating pattern expands to the pixel region of described each strip circuit both sides.
3. display panels as claimed in claim 1, wherein this patterned insulation layer is arranged on this second transparent electrode layer.
4. display panels as claimed in claim 1, wherein said each insulating pattern comprises a plurality of blockies.
5. display panels as claimed in claim 1, wherein said each insulating pattern comprises strip pattern.
6. display panels as claimed in claim 1, wherein the material of this patterned insulation layer comprises the photosensitive type resin.
7. display panels as claimed in claim 1, wherein this opposing substrates also comprises a plurality of color filter patterns, be arranged between this second substrate and this second transparent electrode layer, and corresponding with this pixel region of this active-device array basal plate.
8. display panels as claimed in claim 1, wherein this active-device array basal plate comprises thin-film transistor array base-plate.
9. display panels as claimed in claim 1, wherein this passivation layer has a plurality of first openings, so that this pixel electrode sees through this first opening and this active device is electrically connected.
10. display panels as claimed in claim 1, wherein this passivation layer has a plurality of second openings, so that this second opening is crossed by this stripline runs Reuter and this data line is electrically connected.
11. a LCD comprises:
Display panels comprises:
Active-device array basal plate comprises:
First substrate;
The multi-strip scanning line is arranged on this first substrate;
Many data lines are arranged on this first substrate, and this data line marks off a plurality of pixel regions with this sweep trace on this first substrate;
A plurality of active devices are arranged on this first substrate, and this sweep trace and this data line of described each active device and correspondence are electrically connected;
Passivation layer covers this first substrate, this sweep trace, this data line and this active device;
First transparent electrode layer comprises:
A plurality of pixel electrodes are separately positioned on this passivation layer in this pixel region, and are electrically connected with corresponding this active device;
A plurality of strip circuits are separately positioned on this passivation layer of this data line top, and are electrically connected with this data line;
Opposing substrates is arranged on a side of this active-device array basal plate, and this opposing substrates comprises:
Second substrate;
Second transparent electrode layer is arranged on this second substrate;
Patterned insulation layer comprises a plurality of insulating patterns, is arranged between this second transparent electrode layer and this strip circuit, and wherein this insulating pattern extends and arranges along described each strip circuit;
Liquid crystal layer is arranged between this active-device array basal plate and this opposing substrates; And
Backlight module is arranged on a side of this display panels.
12. LCD as claimed in claim 11, wherein this insulating pattern expands to the pixel region of described each strip circuit both sides.
13. LCD as claimed in claim 11, wherein this patterned insulation layer is arranged on this second transparent electrode layer.
14. LCD as claimed in claim 11, wherein said each insulating pattern comprises a plurality of blockies.
15. LCD as claimed in claim 11, wherein said each insulating pattern comprises strip pattern.
16. LCD as claimed in claim 11, wherein the material of this patterned insulation layer comprises the photosensitive type resin.
17. LCD as claimed in claim 11, wherein this opposing substrates also comprises a plurality of color filter patterns, be arranged between this second substrate and this second transparent electrode layer, and corresponding with this pixel region of this active-device array basal plate.
18. LCD as claimed in claim 11, wherein this active-device array basal plate comprises thin-film transistor array base-plate.
19. LCD as claimed in claim 11, wherein this passivation layer has a plurality of first openings, so that this pixel capacitors sees through this first opening and this active device is electrically connected.
20. LCD as claimed in claim 11, wherein this passivation layer has a plurality of second openings, so that this second opening is crossed by this stripline runs Reuter and this data line is electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101543424A CN101149547A (en) | 2006-09-22 | 2006-09-22 | Display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101543424A CN101149547A (en) | 2006-09-22 | 2006-09-22 | Display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101149547A true CN101149547A (en) | 2008-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006101543424A Pending CN101149547A (en) | 2006-09-22 | 2006-09-22 | Display device |
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| Country | Link |
|---|---|
| CN (1) | CN101149547A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101887868B (en) * | 2009-05-15 | 2013-03-06 | 乐金显示有限公司 | Method of fabricating array substrate |
| CN105116624A (en) * | 2015-08-21 | 2015-12-02 | 友达光电股份有限公司 | Liquid crystal display panel and liquid crystal alignment method thereof |
| CN105425490A (en) * | 2016-01-04 | 2016-03-23 | 京东方科技集团股份有限公司 | Array substrate and display device |
-
2006
- 2006-09-22 CN CNA2006101543424A patent/CN101149547A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101887868B (en) * | 2009-05-15 | 2013-03-06 | 乐金显示有限公司 | Method of fabricating array substrate |
| CN105116624A (en) * | 2015-08-21 | 2015-12-02 | 友达光电股份有限公司 | Liquid crystal display panel and liquid crystal alignment method thereof |
| CN105425490A (en) * | 2016-01-04 | 2016-03-23 | 京东方科技集团股份有限公司 | Array substrate and display device |
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Application publication date: 20080326 |