CN100462826C - Picture element and liquid crystal display panel - Google Patents
Picture element and liquid crystal display panel Download PDFInfo
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- CN100462826C CN100462826C CNB200610075865XA CN200610075865A CN100462826C CN 100462826 C CN100462826 C CN 100462826C CN B200610075865X A CNB200610075865X A CN B200610075865XA CN 200610075865 A CN200610075865 A CN 200610075865A CN 100462826 C CN100462826 C CN 100462826C
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Abstract
A pixel structure consists of active element, scanning line and data line. It is featured as electric - connecting pixel electrode with an opening pattern to active element, setting island electrode in opening pattern and connecting island electrode to voltage, connecting pixel electrode to driving voltage different to said voltage for generation a horizontal electric field from island electrode to pixel electrode. The liquid crystal panel applying said pixel structure is also disclosed.
Description
Technical field
The present invention is relevant for a kind of pixel structure and display panel, particularly relevant for a kind of pixel structure and display panels that is applicable to optical compensation birefringence LCD (optically compensated birefringence liquidcrystal display, OCB LCD).
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 because the rise of environmental protection notion, the big and bigger characteristic of generation radiant quantity of energy resource consumption based on cathode-ray tube (CRT), cathode-ray tube (CRT) adds that its product flattening space is limited, so 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 liquidcrystal 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.
LCD is according to employed liquid crystal kind, the type of drive different numerous species that are distinguished into light source allocation position etc.Wherein, optical compensation birefringence LCD (opticallycompensated birefringence liquid crystal display, OCB LCD) has (response) speed of replying that is exceedingly fast, can provide computer when fast-changing continuous pictures such as playing animation or film, smooth more picture shows, and is very suitable for the application of high-order LCD.Liquid crystal molecule transfers distortion attitude (twist state) to via spreading status (splay state) change but optical compensation birefringence LCD must allow partly, after being transformed into bending status (bend state) again, just can enter holding state, the work performance of rapid answer is provided.
Figure 1A illustrates the synoptic diagram that liquid crystal molecule in the display panels is in spreading status.Figure 1B illustrates the synoptic diagram that liquid crystal molecule in the display panels is in bending status.Please be simultaneously with reference to Figure 1A and Figure 1B, in optical compensation birefringence type liquid crystal display panel 10, liquid crystal layer 11 is disposed between upper substrate 12 and the infrabasal plate 13.Wherein, upper substrate 12 has alignment direction (rubbingdirection) alignment film parallel to each other (alignment layer does not illustrate) respectively with infrabasal plate 13.Liquid crystal molecule in liquid crystal layer 11 is not subjected to extra electric field and does the time spent, is to arrange in the spreading status mode.And when optical compensation birefringence LCD was desired to enter holding state, the electric field that must apply vertical upper substrate 12 was on liquid crystal molecule, so that partly liquid crystal molecule changes the distortion attitude gradually into, change transfers bending status to again.In the existing optical compensation birefringence LCD, pixel needs several minutes time to carry out this transfer process if want driven, promptly before entering holding state, needs soaking out (warm up).But, this for LCD the characteristic with opening i.e. usefulness that should possess very unfavorable.Therefore, allow optical compensation birefringence LCD is easier to be accepted by the consumer, conversion (fastt ransition) is necessary fast.
For the liquid crystal molecule in the optical compensation birefringence type liquid crystal display panel is transformed into bending status from spreading status quickly, the mode that a kind of prior art utilization increases voltage produces stronger electric field, makes liquid crystal molecule be converted to bending status fast from spreading status.Yet, can bear high-tension suitable chip for driving difficulty search out, make relevant research and development and volume production be difficult for carrying out.Another kind of common methods of the prior art is to add polymkeric substance (polymer) in liquid crystal layer, when liquid crystal molecule is in bending status, with UV-irradiation on polymkeric substance so that it forms polymeric wall, so then can keep Liquid Crystal Molecules Alignment to become bending status.Though this kind mode is simple, can cause the light leakage phenomena of optical compensation birefringence type liquid crystal display panel.In addition, also has other method in the prior art, for example via special pixel design (pixel design), in the structure that forms slit (slit) on the pixel electrode or above pixel electrode, form ridge (bump), make the liquid crystal molecule of subregion change arrangement mode, to quicken it by the transfer process of spreading status to bending status.
Summary of the invention
Because above-mentioned deficiency, purpose of the present invention is exactly that a kind of pixel structure of active component array base board is being provided, and it can make the liquid crystal molecule in the optical compensation birefringence type liquid crystal display panel be transformed into bending status from spreading status quickly.
Another order of the present invention provides a kind of colorful filter array substrate, and it can make the liquid crystal molecule in the optical compensation birefringence type liquid crystal display panel be transformed into bending status from spreading status quickly.
A further object of the present invention provides the short display panels of a kind of response time.
For reaching above-mentioned or other purpose, the present invention proposes a kind of pixel structure of active component array base board, and it comprises one scan line, a data line, a kind of active member, a pixel electrode and at least one island electrode; Active member and sweep trace and data line are electrical connected; Pixel electrode can be electrical connected with active member, and wherein pixel electrode has at least one patterns of openings, and this pixel electrode is used for and the subtend substrate, for example is that the electrode layer on the colored optical filtering substrates forms vertical electric field; The island electrode is positioned at patterns of openings, and wherein the island electrode is electrically connected to voltage, and pixel electrode is electrically connected to driving voltage, and driving voltage is not equal to voltage, thereby can produce a transverse electric field between island electrode and the pixel electrode.
According to a preferred embodiment of the present invention, the pixel of active component array base board of the present invention structure more comprises a capacitance electrode, and it is between substrate and pixel electrode, and capacitance electrode can electrically connect with the island electrode.In one embodiment, above-mentioned capacitance electrode is a shared distribution.In another embodiment, above-mentioned capacitance electrode is next the bar sweep trace in abutting connection with sweep trace.
According to one embodiment of the invention, the pixel of active component array base board of the present invention structure more comprises an orientation rete, and it is disposed on pixel electrode and the island electrode, and the orientation rete has an alignment direction, and this alignment direction is different from the direction of transverse electric field.
According to one embodiment of the invention, the material of above-mentioned pixel electrode is identical with the material of island electrode.
The present invention proposes a kind of colorful filter array substrate in addition, and it comprises a chromatic filter layer, a black matrix layer and an electrode layer; Black matrix layer be disposed at chromatic filter layer around; Electrode layer can cover chromatic filter layer and black matrix layer, wherein has at least one patterns of openings in the electrode layer, and patterns of openings is positioned at the top of black matrix layer, this electrode layer be used for active component array base board on pixel electrode form vertical electric field; At least one island electrode, it is disposed in the patterns of openings, and island electrode and electrode layer are electrically insulated; Above-mentioned electrode layer is electrically connected to one and shares voltage, and the island electrode is electrically connected to a voltage, and share voltage is not equal to voltage.
According to one embodiment of the invention, the material of above-mentioned pixel electrode is identical with the material of island electrode.
According to one embodiment of the invention, above-mentioned patterns of openings is disposed in the electrode layer of chromatic filter layer top.
The present invention proposes a kind of display panels again, wraps it and draws together an active component array base board, a colorful filter array substrate and a liquid crystal layer; Active component array base board comprises a plurality of pixels structure, and each pixel structure comprises one scan line, a data line, an active member that is electrical connected with sweep trace and data line and a pixel electrode that electrically connects with active member; Colorful filter array substrate comprises a chromatic filter layer, is disposed at a chromatic filter layer electrode layer of deceiving matrix layer and covering chromatic filter layer and black matrix on every side; Particularly, electrode layer has at least one first patterns of openings, and the first patterns of openings correspondence is disposed at the top of black matrix layer; In addition, liquid crystal layer is disposed between active component array base board and the colorful filter array substrate; Each pixel structure of said active element array substrate more comprises a capacitance electrode, and is positioned at first patterns of openings capacitance electrode aligned configuration more therewith on the colorful filter array substrate; At least one first island electrode, it is disposed in first patterns of openings, and the first island electrode that is positioned at first patterns of openings more with the capacitance electrode aligned configuration.
According to one embodiment of the invention, the first island electrode and electrode layer are electrically insulated.
According to one embodiment of the invention, above-mentioned pixel electrode has at least one second patterns of openings, and disposes one second island electrode in second patterns of openings, and the second island electrode can produce a transverse electric field with pixel electrode.
According to one embodiment of the invention, each pixel structure of said active element array substrate more comprises a capacitance electrode, and capacitance electrode can electrically connect with the second island electrode.
In sum, pixel structure proposed by the invention has following advantage at least with display panels, and effect is significant:
One, because in the pixel of the active component array base board of the present invention structure, the island electrode can produce a transverse electric field with pixel electrode.Use this pixel and be configured in an optical compensation birefringence type liquid crystal display panel, the arrangement mode of the liquid crystal molecule of subregion is changed earlier.When display panels display frame, remaining liquid crystal molecule just can be converted to bending status fast and shorten the response time of display panels.
Two, same, in the pixel structure of colorful filter array substrate of the present invention, its electrode layer has the design of patterns of openings, and patterns of openings is disposed at the top of black matrix layer, use this pixel and be configured in an optical compensation birefringence type liquid crystal display panel, the arrangement mode of the liquid crystal molecule of subregion is changed earlier shortening the response time of display panels, and be positioned at this regional liquid crystal molecule because black matrix cover thereby can cover contingent light leak situation.
Three, making and the existing manufacturing process compatibility of pixel of the present invention structure and display panels except the design of changing several mask wherein, need not bought more extra process equipment.
Description of drawings
Figure 1A illustrates the synoptic diagram that liquid crystal molecule in the display panels is in spreading status.
Figure 1B illustrates the synoptic diagram that liquid crystal molecule in the display panels is in bending status.
Fig. 2 A illustrates the profile construction synoptic diagram of the display panels of first embodiment of the invention.
Fig. 2 B illustrates among Fig. 2 A the vertical view of active component array base board in the display panels.
Fig. 2 C to Fig. 2 G illustrates the vertical view of pixel structure of the active component array base board of several embodiment respectively.
Fig. 3 A illustrates the vertical view of pixel structure of the active component array base board of an embodiment, and Fig. 3 B illustrates the vertical view of pixel structure of the colorful filter array substrate of an embodiment.
Fig. 4 to Figure 10 is the vertical view according to the pixel structure of the colorful filter array substrate of several embodiment of the present invention.
Figure 11 A illustrates the vertical view of pixel structure of the active component array base board of another embodiment, and Figure 11 B illustrates the vertical view of pixel structure of the colorful filter array substrate of another embodiment.
Figure 12 is the diagrammatic cross-section that illustrates a display panels.
The main element symbol description
10: optical compensation birefringence type liquid crystal display panel
11: liquid crystal layer
12: upper substrate
13: infrabasal plate
100: liquid crystal layer
200: colorful filter array substrate
210: the second substrates
220: electrode layer
230: colored light filter membrane layer
300,500,600,700,800,900: active component array base board
310: the first substrates
320a, 320b: sweep trace
330a, 330b, 330c: data line (or data line)
340,540,640,740,840,940: the pixel structure
400: display panels
20: active member
21: grid
22: source electrode
23: drain electrode
24: channel layer
25: ohmic contact layer
30: pixel electrode
30a: opening
40,510,610,710,810,910: the island electrode
42: transverse electric field
50,920: capacitance electrode
60a, 60b: orientation rete
62: alignment direction
Cs: storage capacitors
D: dielectric layer
H: contact hole
502: chromatic filter layer
504: black matrix
506: electrode layer
508a, 508b: opening
500a, 500b: island electrode
702: active component array base board
704: colorful filter array substrate
706: liquid crystal layer
Embodiment
For above and other objects of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly, and cooperate appended graphicly, be described in detail below.
First embodiment
Fig. 2 A illustrates the profile construction synoptic diagram of the display panels of first embodiment of the invention.Fig. 2 B illustrates the vertical view of active component array base board in the display panels of Fig. 2 A, and wherein Fig. 2 A is along the diagrammatic cross-section of profile line A-A ' among Fig. 2 B.Please refer to Fig. 2 A and Fig. 2 B, display panels 400 is an optical compensation birefringence type liquid crystal display panel, and this display panels 400 comprises an active component array base board 300, a colorful filter array substrate 200 and a liquid crystal layer 100.Colorful filter array substrate 200 is disposed at the top of active component array base board 300, and liquid crystal layer 100 is disposed between colorful filter array substrate 200 and the active component array base board 300.
Active component array base board 300 comprises one first substrate 310 and is configured in a plurality of pixels structure 340 on first substrate 310, each pixel structure 340 comprise sweep trace 320a, 320b one of them, many data line 330a, 330b, 330c one of them, active member 20, pixel electrode 30 and island electrode 40.First substrate 310 for example is the substrate of a glass substrate, quartz base plate or other suitable material.Sweep trace 320a, 320b can be aluminium alloy conductor or the formed lead of other suitable conductive material.Data line 330a, 330b, 330c can be chromium plain conductor, aluminium alloy conductor or the formed lead of other suitable conductive material.Active member 20 is disposed on first substrate 310, and each active member 20 and wherein one scan line 320a, 320b and wherein a data line 330a, 330b, 330c electric connection.For example, the active member 20 that is labeled in Fig. 2 B lower left is to electrically connect with sweep trace 320a and data line 330a.In addition, pixel electrode 30 can electrically connect with active member 20.
Hold above-mentionedly, active member 20 is a thin film transistor (TFT) for example, have on-off element or other suitable element of three terminals, and one of them is electrical connected itself and sweep trace 320a, 320b one of them and data line 330a, 330b, 330c.In the present embodiment, it is a thin film transistor (TFT) that active member 20 illustrates, and this active member 20 has a grid 21, one source pole 22, drain electrode 23, one channel layer 24 and an ohmic contact layer 25 (shown in Fig. 2 A).Pixel electrode 30 for example is a transparency electrode (transmissiveelectrode), reflecting electrode (reflective electrode) or semi-penetration semi-reflective electrode (transflective electrode), and the material of pixel electrode 30 can be indium tin oxide, indium-zinc oxide, metal or other transparent or opaque conductive material.
Particularly, in pixel electrode 30, have patterns of openings 30a, and island electrode 40 is disposed in the patterns of openings 30a.The material of island electrode 40 for example is identical with the material of pixel electrode 30, and its shape for example is circle, polygon or other suitable shape.More specifically, island electrode 40 is electrically insulated with pixel electrode 30, and this island electrode 40 can produce a transverse electric field 42 with pixel electrode 30.
In a preferred embodiment, pixel structure 340 more comprises capacitance electrode 50, and it is configured between first substrate 310 and the pixel electrode 30, and this capacitance electrode 50 is electrical connected by a contact hole H and island electrode 40.In this preferred embodiment, island electrode 40 is positioned at the top of capacitance electrode 50, so island electrode 40 can see through contact hole H and electrically connect with capacitance electrode 50, and island electrode 40 is positioned at the shading region that is formed with capacitance electrode.
In addition, colorful filter array substrate 200 comprises one second substrate 210, an electrode layer 220 and a colored light filter membrane layer 230.Second substrate 210 for example is the substrate of a glass substrate, quartz base plate or other suitable material.The material of electrode layer 220 for example is indium tin oxide, indium-zinc oxide or other suitable conductive material, and electrode layer 220 is disposed at the top of second substrate 210.230 of colored light filter membrane layer are disposed between second substrate 210 and the electrode layer 220, and it for example is to have comprised a black matrix and an a plurality of color filter patterns (not illustrating).
In the present embodiment, capacitance electrode 50 is shared distributions, and just, the capacitance electrode 50 of the pixel of mutually same row or delegation structure 340 is distributions that link together.Pixel electrode 30, capacitance electrode 50 and dielectric layer D constitute a storage capacitors Cs, and pixel electrode 30 is distinguished electric pole plate and the lower electrode plate of storage capacitors Cs for this reason with capacitance electrode 50.Also promptly, storage capacitors Cs is the so-called electric capacity (storage capacitance on common) that is formed on the shared wiring.
In addition, active component array base board 300 more comprises an orientation rete 60a.For example (polyimide resin, PI) or other suitable material, it covers pixel structure 340 to the material of orientation rete 60a, and this orientation rete 60a has an alignment direction 62 for the poly-hot resin of second vinegar.What deserves to be mentioned is that above-mentioned alignment direction 62 is different from the direction of transverse electric field 42.In addition, more comprise on the electrode layer 220 of colorful filter array substrate 200 and dispose one deck orientation rete 60b, and the alignment direction of this orientation rete 60b is identical or parallel with the alignment direction 62 of orientation rete 60a.
In display panels 400, the design of this kind pixel structure 340 can change the arrangement mode of the liquid crystal molecule of subregion in advance.Usually at this liquid crystal panel 400 not before the display frame, the island electrode 40 of pixel structure 340 is electrically connected at a voltage V with corresponding capacitance electrode 50, and the pixel electrode 30 of correspondence then is electrically connected at a driving voltage V
dVoltage V for example is a fixed value, and driving voltage V
dThen change according to wanting picture displayed thereupon.It should be noted that voltage V can be different from driving voltage V
dSo, island electrode 40 can produce a transverse electric field 42 with pixel electrode 30.In liquid crystal layer 100, the part liquid crystal molecule that originally was in spreading status can reverse earlier under the effect of transverse electric field and convert the distortion attitude to.When display panels 400 display frames, a vertical electric field can put on liquid crystal layer 100.Because partly liquid crystal molecule has been in the distortion attitude, the liquid crystal molecule that therefore can drive other converts bending status fast to.All be in the situation of spreading status compared to whole liquid crystal molecules, the present invention can be so that liquid crystal molecule converts bending status more quickly to.In other words, display panels 400 can present the work performance of rapid answer under normal display driver.
In the embodiment that Fig. 2 B is illustrated, island electrode 40 is one to share distribution for a kind of polygonal electrodes of convex shape and each capacitance electrode 50.Yet in the present invention, island electrode 40 is not defined as the polygonal electrodes of convex shape, and each capacitance electrode 50 also can be next the bar sweep trace 320b in abutting connection with sweep trace 320a.In the active component array base board 500,600,700,800 that is illustrated as Fig. 2 C to Fig. 2 F, the island electrode 510,610,710,810 of pixel structure 540,640,740,840 be shaped as different polygonal shapes.Certainly, the shape of island electrode of the present invention is not limited to the shape that illustrated in Fig. 2 B to Fig. 2 F.
In addition, in the active component array base board 900 that Fig. 2 G is illustrated, the capacitance electrode 920 of pixel structure 940 is next the bar sweep trace 320b in abutting connection with sweep trace 320a.In pixel structure 940, pixel electrode 30, capacitance electrode 920 and dielectric layer D constitute a storage capacitors Cs, and pixel electrode 30 is distinguished electric pole plate and the lower electrode plate of storage capacitors Cs for this reason with capacitance electrode 920.Also promptly, this storage capacitors Cs is the so-called electric capacity (storage capacitance ongate) that is formed on the grid.
The pixel structure 540,640,740,840,940 that Fig. 2 C to Fig. 2 G is illustrated all has the effect that is same as above-mentioned pixel structure 340 (Fig. 2 B), just, the island electrode 510,610,710,810,910 in these pixel structures 540,640,740,840,940 all can produce transverse electric field 42 with its pixel electrode 40.Using these pixels structure 540,640,740,840,940 display panels of producing (not illustrating) also has and replys performance fast.
Second embodiment
In the first above-mentioned embodiment, be in the pixel electrode of active component array base board, to form opening and island electrode, so that the liquid crystal molecule at this place is in bending status, and then make display panels under normal display driver, can present the work performance of rapid answer.And the present invention also can make patterns of openings (and island electrode) on the electrode layer of colorful filter array substrate, such design also can make the liquid crystal molecule at corresponding this place be in bending status, and then makes display panels can present the work performance of rapid answer under normal display driver.And on the electrode layer of colorful filter array substrate, make being described in detail as follows of patterns of openings (and island electrode).
Fig. 3 A is the vertical view that illustrates the pixel structure on the active component array base board, and Fig. 3 B is the vertical view according to the pixel structure of the colorful filter array substrate of one embodiment of the invention.When active component array base board and colorful filter array substrate fit together, and insert a liquid crystal layer between two substrates, to constitute after the display panels, the pixel structure of Fig. 3 A can overlapping or aligned configuration with the pixel structure of Fig. 3 B.Please refer to Fig. 3 A, sweep trace 320a and data line 330a and pixel electrode 30 that the pixel of active component array base board structure comprises active member 20, electrically connects with active member 20.In a preferred embodiment, pixel on active component array base board structure more comprises a capacitance electrode 50, with and pixel electrode 30 between constitute a storage capacitors Cs.The member of respectively forming of the pixel structure on the said active element array substrate has been specified in first embodiment, does not therefore repeat them here.
In addition, please refer to Fig. 3 B, the pixel structure of colorful filter array substrate comprises chromatic filter layer 502, black matrix 504 and an electrode layer 506.Chromatic filter layer 502 for example is redness, green or blue color filter layer.Black matrix 504 can be formed at chromatic filter layer 502 around, its material for example is metal or black resin.And the present invention does not limit the formation sequencing of black matrix 504 and chromatic filter layer 502, and in other words, it forms chromatic filter layer 502 after can forming earlier and deceiving matrix 504 again, or forms chromatic filter layer 502 earlier afterwards at the black matrix 504 of formation.In addition, electrode layer 506 covers chromatic filter layer 502 and black matrix 504.In one embodiment, be formed with a flatness layer (not illustrating) beneath more the comprising of electrode layer 506.
Particularly, be formed with patterns of openings 508a in above-mentioned electrode layer 506, it is disposed in the electrode layer 506 of black matrix layer 504 tops.In another embodiment, except the electrode layer 506 above black matrix layer 504 is formed with the patterns of openings 508a, more can in the electrode layer above the chromatic filter layer 502 506, be formed with patterns of openings 508b, preferably patterns of openings 508b can with the capacitance electrode 50 overlapping or aligned configuration on the active component array base board.Owing to be formed with patterns of openings 508a (and 508b) in the electrode layer 506, therefore when bestowing driving voltage with the driving display panels, electric field between sweep trace 320a and data line 330a (or even capacitance electrode 50) and the electrode layer 506 can form the transverse electric field component near patterns of openings 508a (and 508b), so can make the liquid crystal molecule at this place to convert the distortion attitude to by spreading status earlier.Similarly, because partly liquid crystal molecule has been in the distortion attitude, the liquid crystal molecule that therefore can drive other converts bending status fast to.Therefore can be so that display panels can present the work performance of rapid answer under normal display driver.
What deserves to be mentioned is that the present invention forms patterns of openings 508a in the electrode layer 506 above black matrix 504, even more can in correspondence is formed with the electrode layer 506 at capacitance electrode 50 places, form patterns of openings 508b.In other words, the present invention is formed on patterns of openings in the shading region, therefore also has and can cover the light leak situation that may produce at these patterns of openings places.In addition, the present invention then can increase the reach of transverse electric field, so that liquid crystal molecule converts bending status more rapidly to if form patterns of openings around the pixel structure.
And the opening that patterns of openings 508a that Fig. 3 B is illustrated and 508b are form of slits, but the present invention does not limit the shape of patterns of openings 508a, 508b especially.Patterns of openings 508a, 508b also can be small square hole or circular hole shape (as shown in Figure 4), or other polygonal shape (as shown in Figure 5), or crooked shape of slit (as shown in Figure 6).
According to another embodiment of the present invention, more can be in above-mentioned patterns of openings 508a (and 508b) formation island electrode 500a, 500b, as shown in Figure 7, and island electrode 500a, 500b and electrode layer 506 are electrically insulated.In a preferred embodiment, electrode layer 506 is electrically connected to one and shares voltage Vc, and island electrode 500a, 500b are electrically connected to a voltage V, and share voltage Vc is not equal to voltage V.In addition, the material of electrode layer 506 for example is identical material with the material of island electrode 500a, 500b.
Same, above-mentioned patterns of openings 508a, 508b and island electrode 500a, 500b are not limited especially, and it also can be the polygonal shape of other kind, as shown in Figure 8; Or the shape of strip as shown in Figure 9; Or crooked shape shape as shown in figure 10.
And on be set forth in the colorful filter array substrate that Fig. 3 A to Figure 10 illustrated the pixel structure be to be fit to be formed on pixel structure collocation on the common lines with reservior capacitor.And if to be formed on pixel structure collocation on the gate line with reservior capacitor, the position of then above-mentioned patterns of openings 508b (and island electrode 500b) will change to some extent, just can be with sweep trace overlapping or aligned configuration, shown in Figure 11 A and Figure 11 B.Same, in the pixel structure that the patterns of openings of above-mentioned different shape and island electrode can be applied to be illustrated as Figure 11 B.
What deserves to be mentioned is that above-mentioned first embodiment has mainly provided the pixel structure of active component array base board, and second embodiment has mainly provided the pixel structure of colorful filter array substrate.And no matter adopt which kind of pixel structure can make display panels under normal display driver, can present the work performance of rapid answer.Therefore display panels provided by the present invention (as shown in figure 12) comprises an active component array base board 702, a colorful filter array substrate 704 and a liquid crystal layer 706.In one embodiment, the pixel structure on the active component array base board 702 can be selected the disclosed pixel structure as first embodiment for use, and the pixel of colorful filter array substrate 704 structure is the pixel structure that adopts general existing colorful filter array substrate.In another embodiment, the pixel structure on the active component array base board 702 can adopt the pixel structure of general existing active component array base board, and the pixel of colorful filter array substrate 704 structure is to select the disclosed pixel structure as second embodiment for use.In another embodiment, the pixel structure on the active component array base board 702 is to adopt the disclosed pixel structure of first embodiment, and the pixel of colorful filter array substrate 704 structure is to select the disclosed pixel structure as second embodiment for use.
Though the present invention discloses as above with preferred embodiment; yet it is not in order to limiting the present invention, anyly has the knack of this skill person, without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is as the criterion when looking the scope that claims define.
Claims (13)
1. the pixel of active component array base board structure is characterized in that, comprising:
An one scan line and a data line;
One active member is electrical connected with this sweep trace and this data line;
One pixel electrode is electrical connected with this active member, and wherein this pixel electrode has at least one patterns of openings, this pixel electrode be used for the subtend substrate on electrode layer form vertical electric field; And
At least one island electrode, this island electrode is positioned at this patterns of openings, and wherein this island electrode is electrically connected to a voltage, and this pixel electrode is electrically connected to a driving voltage, this voltage is not equal to this driving voltage, thereby this island electrode can produce a transverse electric field with this pixel electrode.
2. the pixel of active component array base board as claimed in claim 1 structure is characterized in that, more comprises a capacitance electrode, and between this substrate and this pixel electrode, and this capacitance electrode can electrically connect with this island electrode.
3. the pixel of active component array base board as claimed in claim 2 structure is characterized in that, this capacitance electrode is a shared distribution.
4. the pixel of active component array base board as claimed in claim 2 structure is characterized in that this capacitance electrode is next the bar sweep trace in abutting connection with this sweep trace.
5. the pixel of active component array base board as claimed in claim 1 is constructed, it is characterized in that, more comprise an orientation rete, be disposed on this pixel electrode and this island electrode, and this orientation rete has an alignment direction, and this alignment direction is different from the direction of this transverse electric field.
6. the pixel of active component array base board as claimed in claim 1 structure is characterized in that the material of this pixel electrode is identical with the material of this island electrode.
7. a colorful filter array substrate is characterized in that, comprising:
One chromatic filter layer;
One black matrix layer, be disposed at this chromatic filter layer around; And
One electrode layer, cover this chromatic filter layer and should deceive matrix layer, wherein have at least one patterns of openings in this electrode layer, this patterns of openings is positioned at the top of this black matrix layer, this electrode layer be used for active component array base board on pixel electrode form vertical electric field;
At least one island electrode is disposed in this patterns of openings, and this island electrode and this electrode layer are electrically insulated;
This electrode layer is electrically connected to one and shares voltage, and this island electrode is electrically connected to a voltage, and this share voltage is not equal to this voltage.
8. colorful filter array substrate as claimed in claim 7 is characterized in that, the material of this electrode layer is identical with the material of this island electrode.
9. colorful filter array substrate as claimed in claim 7 is characterized in that, this patterns of openings is disposed in this electrode layer of this chromatic filter layer top.
10. a display panels is characterized in that, comprising:
One active component array base board, it comprises a plurality of pixels structure, each pixel structure comprises one scan line, a data line, an active member that is electrical connected with this sweep trace and this data line and a pixel electrode that electrically connects with this active member;
One colorful filter array substrate, it comprises a chromatic filter layer, is disposed at this a chromatic filter layer black matrix layer on every side and an electrode layer that covers this chromatic filter layer and should deceive matrix;
Wherein, this electrode layer has at least one first patterns of openings, and this first patterns of openings correspondence is disposed at the top of this black matrix layer; And
One liquid crystal layer is disposed between this active component array base board and this colorful filter array substrate;
Each pixel structure of this active component array base board more comprises a capacitance electrode, and be positioned on this colorful filter array substrate this first patterns of openings more with this capacitance electrode aligned configuration;
At least one first island electrode is disposed in this first patterns of openings, and this first island electrode that is positioned at this first patterns of openings more with this capacitance electrode aligned configuration.
11. display panels as claimed in claim 10 is characterized in that, this first island electrode and this electrode layer are electrically insulated.
12. display panels as claimed in claim 10, it is characterized in that, this pixel electrode has at least one second patterns of openings, and disposes one second island electrode in this second patterns of openings, and this second island electrode can produce a transverse electric field with this pixel electrode.
13. display panels as claimed in claim 12 is characterized in that, each pixel structure of this active component array base board more comprises a capacitance electrode, and this capacitance electrode can electrically connect with this second island electrode.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB200610075865XA CN100462826C (en) | 2006-04-24 | 2006-04-24 | Picture element and liquid crystal display panel |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB200610075865XA CN100462826C (en) | 2006-04-24 | 2006-04-24 | Picture element and liquid crystal display panel |
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| CN1831619A CN1831619A (en) | 2006-09-13 |
| CN100462826C true CN100462826C (en) | 2009-02-18 |
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| CN101290441B (en) * | 2007-04-17 | 2012-12-05 | 奇美电子股份有限公司 | Half-penetration half-reflection liquid crystal display panel and method for producing same |
| CN101842741B (en) * | 2007-11-02 | 2012-05-09 | 夏普株式会社 | Liquid crystal display panel and liquid crystal display device |
| CN101825820B (en) * | 2009-03-03 | 2013-07-10 | 瀚宇彩晶股份有限公司 | Pixel structure of optical compensation birefringence LCD and forming method thereof |
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