CN100368900C - Liquid crystal panel - Google Patents
Liquid crystal panel Download PDFInfo
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- CN100368900C CN100368900C CNB200610006014XA CN200610006014A CN100368900C CN 100368900 C CN100368900 C CN 100368900C CN B200610006014X A CNB200610006014X A CN B200610006014XA CN 200610006014 A CN200610006014 A CN 200610006014A CN 100368900 C CN100368900 C CN 100368900C
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Abstract
The present invention relates to a liquid crystal display panel which comprises a first electric conduction basal plate, a second electric conduction basal plate and a liquid crystal layer, wherein the first electric conduction basal plate comprises a substrate, a first lug, a second lug and a light spacer. The first lug and the second lug are arranged above the substrate by the method that the first lug and the second lug are symmetrical to a central line, and the second lug is in a reflection structure that the first lug corresponds to the central line. The light spacer is arranged on the central line, is positioned above the substrate and is positioned between the first lug and the second lug. The second electric conduction basal plate and the electric conduction basal plate are arranged in parallel, and the liquid crystal layer is arranged between the electric conduction basal plate and the second electric conduction basal plate.
Description
Technical field
The present invention relates to a kind of display panels, particularly relate to and a kind ofly can avoid light spacer and the partly overlapping display panels of projection.
Background technology
Because many display fields vertical orientation type (multi-domain vertical alignment; MVA) display panels can provide signal reaction speed, broader visible angle, higher transmittance, higher contrast ratio and more perfect image quality faster, is widely used gradually in recent years.
Please be simultaneously with reference to Figure 1A～1B, it is the part vertical view of traditional display panels that Figure 1A illustrates, it is the fragmentary cross-sectional view of the display panels looked of the profile line 1B-1B ' along Figure 1A that Figure 1B illustrates.Shown in Figure 1A～1B, display panels 10 comprises a thin film transistor (TFT) (thin filmtransistor; TFT) substrate 11, a colored filter (color filter; CF) substrate 12 and a liquid crystal layer 13.Thin film transistor base plate 11 and colored filter substrate 12 opposing parallel settings.Liquid crystal layer 13 is arranged between thin film transistor base plate 11 and the colored filter substrate 12, and has a plurality of liquid crystal molecule 13a.In addition, thin film transistor base plate 11 comprises two sweep trace S3～S4 and three data line D4～D6 for example.Sweep trace S3～S4 is parallel each other, data line D4～D6 parallel each other and with sweep trace S3～S4 vertical interlaced, and define two pixel P3～P4.Comprise a thin film transistor (TFT) T3 and a pixel electrode 18 in the pixel P3, thin film transistor (TFT) T3 and sweep trace S3, data line D4 and pixel electrode 18 electric property couplings.Comprise a thin film transistor (TFT) T4 and a pixel electrode 19 in the pixel P4, thin film transistor (TFT) T4 and sweep trace S3, data line D5 and pixel electrode 19 electric property couplings.Colored filter substrate 12 comprises community electrode 14, projection 15～16 and light spacer 17.Projection 15～16 and light spacer 17 are arranged on the common electrode 14, and can be not overlapped under ideal state.Projection 15～16 is a plurality of display fields (domains) in order to adjust liquid crystal molecule 13a, and light spacer 17 is in order to provide the geometrical clamp between thin film transistor base plate 11 and the colored filter substrate 12 thick (call gap).
Yet, technology precision when forming projection 15～16 and light spacer 17 produces under the situation of error, cause light spacer 17 and projection 16 to be easy to generate partly overlapping phenomenon, and then influence the arrangement situation of liquid crystal molecule 13a in the overlapping region of light spacer 17 and projection 16.Even the arrangement of the liquid crystal molecule 13a in the viewing area will be subjected to the influence of pushing of the liquid crystal molecule 13a outside the viewing area.That is the arrangement of pushing the liquid crystal molecule 13a that will influence pixel electrode 18 places of the liquid crystal molecule 13a at place, the overlapping region of projection 16.Therefore, in the process of display panels 10 runnings, especially when display panels 10 image switchings, more can produce the phenomenon of image ghost (image retention) in the light spacer 17 and the location of overlapping of projection 16.Thus, reduce the display quality and the practicality of display panels 10 widely.
Summary of the invention
In view of this, purpose of the present invention is providing a kind of display panels exactly.Mirror structure and light spacer are arranged at design on the symmetrical center line between two projections to its two projection each other with respect to symmetrical center line, can avoid light spacer and two projections to produce partly overlapping phenomenon, and then prevent to cause display panels that the phenomenon of image ghost takes place when running.Thus, can promote the display quality and the practicality of display panels widely.
According to purpose of the present invention, a kind of display panels is proposed, comprise one first electrically-conductive backing plate, one second electrically-conductive backing plate and a liquid crystal layer.First electrically-conductive backing plate comprises a ground, one first projection, one second projection and a light spacer, and first projection and second projection are arranged on the ground in the mode that is symmetrical in a center line, and second projection is the mirror structure of first projection corresponding to this center line.Light spacer is arranged on this center line substantially and is positioned on the ground, and between first projection and second projection.Second electrically-conductive backing plate and first electrically-conductive backing plate be arranged in parallel.Liquid crystal layer is arranged between first electrically-conductive backing plate and second electrically-conductive backing plate.
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, following conjunction with figs. and preferred embodiment are to illustrate in greater detail the present invention.
Description of drawings
It is the part vertical view of traditional display panels that Figure 1A illustrates;
It is the fragmentary cross-sectional view of the display panels looked of the profile line 1B-1B ' along Figure 1A that Figure 1B illustrates;
It is part vertical view according to first electrically-conductive backing plate of the display panels of embodiments of the invention one that Fig. 2 A illustrates;
It is the fragmentary cross-sectional view of the display panels looked of the profile line 2B-2B ' along Fig. 2 A that Fig. 2 B illustrates;
It is part vertical view according to the display panels of embodiments of the invention two that Fig. 3 A illustrates;
It is the fragmentary cross-sectional view of the display panels looked of the profile line 3B-3B ' along Fig. 3 A that Fig. 3 B illustrates;
It is part vertical view according to the display panels of embodiments of the invention three that Fig. 4 A illustrates;
It is the fragmentary cross-sectional view of the display panels looked of the profile line 4B-4B ' along Fig. 4 A that Fig. 4 B illustrates;
It is part vertical view according to first electrically-conductive backing plate of the display panels of embodiments of the invention four that Fig. 5 illustrates;
It is part vertical view according to first electrically-conductive backing plate of the display panels of embodiments of the invention five that Fig. 6 illustrates;
It is part vertical view according to first electrically-conductive backing plate of the display panels of embodiments of the invention six that Fig. 7 illustrates;
It is part vertical view according to first electrically-conductive backing plate of the display panels of embodiments of the invention seven that Fig. 8 illustrates;
It is part vertical view according to the display panels of embodiments of the invention eight that Fig. 9 A illustrates; And
It is the fragmentary cross-sectional view of the display panels looked of the profile line 9B-9B ' along Fig. 9 A that Fig. 9 B illustrates.
The simple symbol explanation
10,20,20a, 20b, 20c, 20d, 20e, 20f, 70: display panels
11: thin film transistor base plate
12: colored filter substrate
13,23: liquid crystal layer
13a, 23a: liquid crystal molecule
14,34,34a: common electrode
17,27,77: light spacer
18,19: pixel electrode
21,21a, 21b, 21c, 21d, 71: the first electrically-conductive backing plates
22,22a, 22b, 72: the second electrically-conductive backing plates
24: the first grounds
25,45,45a, 55,55a, 75: the first projections
26,46,46a, 56,56a, 76: the second projections
28: the second grounds
29: the three projections
29a: first slit
30: the four projections
30a: second slit
31: black matrix"
32: the first colored filters
33: the second colored filters
35: the first pixel electrodes
36: the second pixel electrodes
47,47a: top
48,48a: connecting portion
49,49a: bottom
55a, the sub-projection of 56a:V font
55b, 56b: the sub-projection of inverted V-shape
C1, C5: first center line
C2: second center line
C3: the 3rd center line
C4: the 4th center line
D1: first data line
D2: second data line
D3: the 3rd data line
D4～D6: data line
F1: the first colored filter pixel
F2: the second colored filter pixel
P1: first pixel
P2: second pixel
P3～P4: pixel
S1: first sweep trace
S2: second sweep trace
S3～S4: sweep trace
T1: the first film transistor
T2: second thin film transistor (TFT)
T3～T4: thin film transistor (TFT)
Embodiment
Embodiment one
Please be simultaneously with reference to Fig. 2 A～2B, it is part vertical view according to first electrically-conductive backing plate of the display panels of embodiments of the invention one that Fig. 2 A illustrates, it is the fragmentary cross-sectional view of the display panels looked of the profile line 2B-2B ' along Fig. 2 A that Fig. 2 B illustrates.Shown in Fig. 2 A～2B, display panels 20 comprises one first electrically-conductive backing plate 21, one second electrically-conductive backing plate 22 and a liquid crystal layer 23 at least.First electrically-conductive backing plate 21 comprises one first ground 24, one first projection 25, one second projection 26 and a light spacer 27 at least, first projection 25 and second projection 26 are arranged on first ground 24 in the mode that is symmetrical in one first center line C1, and second projection 26 is the mirror structure of first projection 25 corresponding to the first center line C1.In other words, first projection 25 also is the mirror structure of second projection 26 corresponding to the first center line C1.Light spacer 27 is arranged on the first center line C1 substantially and is positioned on first ground 24, and between first projection 25 and second projection 26.Second electrically-conductive backing plate 22 and first electrically-conductive backing plate 21 be arranged in parallel.Liquid crystal layer 23 is arranged between first electrically-conductive backing plate 21 and second electrically-conductive backing plate 22, and has a plurality of liquid crystal molecule 23a.In addition, first projection 25 and second projection 26 are a plurality of display fields (domains) in order to the liquid crystal molecule 23a that adjusts liquid crystal layer 23.
Mirror structure and light spacer 27 are arranged at design on the first center line C1 each other with respect to the first center line C1 for first projection 25 of present embodiment and second projection 26, can avoid the light spacer 27 and first projection 25 and second projection 26 to produce partly overlapping phenomenon, and then prevent to cause display panels 20 that the phenomenon of image ghost (image retention) takes place when running.Thus, can promote the display quality and the practicality of display panels 20 widely.
First electrically-conductive backing plate 21 and second electrically-conductive backing plate 22 can be respectively a thin film transistor base plate and a colored filter substrate, or are respectively a colored filter substrate and a thin film transistor base plate.In addition, one of them of first electrically-conductive backing plate 21 and second electrically-conductive backing plate 22 can be a colored filter (color filter on array on array; COA) thin film transistor base plate.In the present embodiment, first electrically-conductive backing plate 21 and second electrically-conductive backing plate 22 are that example explains with thin film transistor base plate and colored filter substrate respectively, but the technology of present embodiment is not confined to this.
To illustrate as followsly as for the detail structure of first electrically-conductive backing plate 21, but the technology of present embodiment is not confined to this.For example, first electrically-conductive backing plate 21 also comprises one first sweep trace S1, one second sweep trace S2, one first data line D1, one second data line D2 and one the 3rd data line D3.The first sweep trace S1 and the second sweep trace S2 are arranged on first ground 24 in parallel to each other, the first data line D1, the second data line D2 and the 3rd data line D3 are arranged on first ground 24 in parallel to each other, and vertically staggered, and define an active matrix pixel array (active matrix pixel array) with one first pixel P1 and one second pixel P2 with the first sweep trace S1 and the second sweep trace S2.Wherein, first projection 25 and second projection 26 are arranged at respectively among the first pixel P1 and the second pixel P2, and the first center line C1 is corresponding to the second data line D2.That is to say that the first center line C1 is almost overlapping with the second data line D2, but for clarity, in Fig. 2 A, the first center line C1 and the second data line D2 are separated a little.Light spacer 23 is arranged on the second data line D2, and between first projection 25 and second projection 26, and can avoid producing partly overlapping phenomenon with first projection 25 and second projection 26.
In addition, also comprise in the first pixel P1 in a first film transistor T 1 and one first pixel electrode, 35, the second pixel P2 and also comprise one second thin film transistor (TFT) T2 and one second pixel electrode 36.The first film transistor T 1 in order to the first sweep trace S1 and the first data line D1 electric property coupling, and first pixel electrode 35 in order to the first film transistor T 1 electric property coupling, and first projection 25 is arranged on first pixel electrode 35.The second thin film transistor (TFT) T2 in order to the first sweep trace S1 and the second data line D2 electric property coupling, and second pixel electrode 36 in order to the second thin film transistor (TFT) T2 electric property coupling, and second projection 26 is arranged on second pixel electrode 36.
To illustrate as followsly as for the detail structure of second electrically-conductive backing plate 22, but the technology of present embodiment is not confined to this.For example, second electrically-conductive backing plate 22 and first electrically-conductive backing plate 21 be arranged in parallel and comprise one second ground 28, a black matrix" 31, one first colored filter pixel F1, one second colored filter pixel F2 and community electrode 34.Black matrix" 31 is arranged on second ground 28, and corresponding to the first sweep trace S1, the second sweep trace S2, the first data line D1, the second data line D2, the 3rd data line D3, the first film transistor T 1 and the second thin film transistor (TFT) T2 of first electrically-conductive backing plate 21.Because profile line 2B-2B ' only passes through the second data line D2 in Fig. 2 A, so the state when Fig. 2 B only shows black matrix" 23 corresponding to the second data line D2.The first colored filter pixel F1 and the second colored filter pixel F2 is adjacent is arranged on second ground 28, and correspond respectively to the first pixel P1 and the second pixel P2 of first electrically-conductive backing plate 21.That is to say that the first colored filter pixel F1 and the second colored filter pixel F2 comprise one first colored filter 32 and one second colored filter, 33, the first colored filters 32 and second colored filter 33 respectively and be arranged on second ground 28.The boundary of first colored filter 32 and second colored filter 33 covers black matrix" 28.First colored filter 32 and second colored filter 33 can be red (R) colored filter, green (G) colored filter or blueness (B) colored filter, and can be the colored filters of identical or different color.Common electrode 34 is arranged on second ground 28, and covers first colored filter 32 and second colored filter 33.Need to prove that the first colored filter pixel F1 and the second colored filter pixel F2 one are arranged at wherein two pixels of the colored filter pel array on second ground 28.Look liquid crystal molecule 23a for the type that the rotation of electric field is arranged, when common electrode 34 and first pixel electrode 35 were applied in voltage or are not applied to voltage, first projection 25 was a plurality of display fields in order to the liquid crystal molecule 23a that adjusts liquid crystal layer 23.When common electrode 34 and second pixel electrode 36 were applied in voltage or are not applied to voltage, second projection 26 was a plurality of display fields in order to the liquid crystal molecule 23a that adjusts liquid crystal layer 23.
To illustrate as followsly as for the planform of first projection 25 and second projection 26, but the technology of present embodiment is not confined to this.For example, first projection 25 and second projection 26 are two openings V-shape projections in opposite directions, and the opening surface of this V-shape projection is to the first center line C1.Wherein, the V-shape projection has the sub-projection of two mutual vertical bars connected vertically, and the sub-projection of this two vertical bar for example is 45 degree or arbitrarily angled with respect to the first sweep trace S1 angle that tilts.In addition, first projection 25 and second projection 26 can also be two V-shape projections that opening is opposing, and the opening of this V-shape projection is the first center line C1 dorsad.
Have in the technical field under the present embodiment and know that usually the knowledgeable can understand that the technology of present embodiment is not confined to this.For example, first ground 24 and second ground 28 comprise glass substrate, plastic base, insulated substrate, ceramic substrate and flexible base plate.In addition, common electrode 34 comprises transparent conductive material, and first pixel electrode 35 and second pixel electrode 36 comprise transparent conductive material or reflectivity conductive material.In addition, first electrically-conductive backing plate 21 also comprises one first vertical orientation film, and the first vertical orientation film is arranged on first pixel electrode 35, second pixel electrode 36, and covers first projection 25 and second projection 26.Moreover second electrically-conductive backing plate 22 also comprises one second vertical orientation film, and the second vertical orientation film is covered in common electrode 34.The first vertical orientation film and the second vertical orientation film are in order to the vertical orientation of auxiliary liquid crystal molecule 23a.Again, first electrically-conductive backing plate 21 also comprises an electrode wires, and electrode wires is arranged on first ground 24, and the parallel first sweep trace S1 is provided with.Electrode wires is passed through the first pixel P1 and the second pixel P2 between the first sweep trace S1 and the second sweep trace S2, and with the second data line D2 vertical interlaced under light spacer 27.That is to say that light spacer 27 is arranged on the vertical interlaced district of the electrode wires and the second data line D2.Electrode wires is more passed through the below, junction of the sub-projection of two vertical bars of the junction below of the sub-projection of two vertical bars of first projection 25 and second projection 26.
Embodiment two
Please be simultaneously with reference to Fig. 3 A～3B, it is part vertical view according to the display panels of embodiments of the invention two that Fig. 3 A illustrates, it is the fragmentary cross-sectional view of the display panels looked of the profile line 3B-3B ' along Fig. 3 A that Fig. 3 B illustrates.Display panels 20 differences of the display panels 20a of present embodiment and embodiment one are the second electrically-conductive backing plate 22a, and how second electrically-conductive backing plate, 22 differences of second electrically-conductive backing plate 22a of present embodiment and embodiment one have been the 3rd projection 29 and the 4th projection 30.Continue to continue to use label as for other identical constitutive requirements, and repeat no more.
Shown in Fig. 3 A～3B, the 3rd projection 29 and the 4th projection 30 are arranged at respectively among the first colored filter pixel F1 and the second colored filter pixel F2, and are arranged on second ground 28.In more detail, the 3rd projection 29 and the 4th projection 30 are arranged on the common electrode 34, and correspond respectively to first projection 25 and 26 settings of second projection.In the present embodiment, be that example explains with two the 3rd projections 29 and two the 4th projections 30.Therefore, two the 3rd projections 29 are corresponding to the sub-projection setting of two vertical bars of first projection 25, and two the 4th projections 30 are corresponding to the sub-projection setting of two vertical bars of second projection 26.That is, two the 3rd projections 29 be arranged in parallel with two sub-projections of vertical bar of first projection 25 accordingly, and two the 4th projections 30 be arranged in parallel with two sub-projections of vertical bar of second projection 26 accordingly.So, first projection 25 and the 3rd projection 29 are a plurality of display fields in order to the liquid crystal molecule 23a that adjusts between the first pixel P1 and the first colored filter pixel F1, and second projection 26 and the 4th projection 30 are a plurality of display fields in order to the liquid crystal molecule 23a that adjusts between the second pixel P1 and the second colored filter pixel F2.
Technical field under the present embodiment in the technical field can understand that the technology of present embodiment is not confined to this.For example, two the 3rd projections 29 also may extend in another pixel and connect into the V-shape projection of an opening surface to the first center line C1, but the extension junction of these two the 3rd projections 29 will be corresponding to the left pixel of the first pixel P1 of Fig. 2 A.Two the 4th projections 30 also may extend in another pixel and connect into the V-shape projection of an opening surface to the first center line C1, but the extension junction of these two the 3rd projections 29 will be corresponding to the right-hand pixel of the second pixel P2 of Fig. 2 A.In addition, the second electrically-conductive backing plate 22a also comprises one the 3rd vertical orientation film, and the 3rd vertical orientation film is arranged on the common electrode 34, and covers the 3rd projection 29 and the 4th projection 30.Again, the 3rd projection 29 and the 4th projection 30 also are mutual mirror projection for the first center line C1.
Embodiment three
Please be simultaneously with reference to Fig. 4 A～4B, it is part vertical view according to the display panels of embodiments of the invention three that Fig. 4 A illustrates, it is the fragmentary cross-sectional view of the display panels looked of the profile line 4B-4B ' along Fig. 4 A that Fig. 4 B illustrates.Display panels 20 differences of the display panels 20b of present embodiment and embodiment one are the second electrically-conductive backing plate 22b, and second electrically-conductive backing plate, 22 differences of second electrically-conductive backing plate 22b of present embodiment and embodiment one are common electrode 34a, the first slit 29a and the second slit 30a.Continue to continue to use label as for other identical constitutive requirements, and repeat no more.
Shown in Fig. 4 A～4B, common electrode 34a has one first slit 29a and one second slit 30a, for example two first slit 29a and two second slit 30a.The first slit 29a and the second projection slit 30a lay respectively among the first colored filter pixel F1 and the second colored filter pixel F2, and correspond respectively to first projection 25 and 26 settings of second projection.That is to say that two first slit 29a be arranged in parallel corresponding to two sub-projections of vertical bar of first projection 25, two second slit 30a be arranged in parallel corresponding to two sub-projections of vertical bar of second projection 26.Wherein, the 3rd projection 29 and the 4th projection 30 with embodiment one is identical respectively at the position on the first colored filter pixel F1 and the second colored filter pixel F2 substantially respectively at the position on the first colored filter pixel F1 and the second colored filter pixel F2 for the first slit 29a and the second slit 30a.Therefore, first projection 25 and the first slit 29a are a plurality of display fields in order to the liquid crystal molecule 23a that adjusts between the first pixel P1 and the first colored filter pixel F1, and second projection 26 and the second slit 30a are a plurality of display fields in order to the liquid crystal molecule 23a that adjusts between the second pixel P1 and the second colored filter pixel F2.
The present embodiment the technical staff in the technical field can understand that the technology of present embodiment is not confined to this.For example, two first slit 29a also may extend in another pixel and connect into the V-shape slit of an opening surface to the first center line C1, but the extension junction of these two first slit 29a will be corresponding to the left pixel of the first pixel P1 of Fig. 3 A.Two second slit 30a also may extend in another pixel and connect into the V-shape slit of an opening surface to the first center line C1, but the extension junction of these two second slit 30a will be corresponding to the right-hand pixel of the second pixel P2 of Fig. 3 A.In addition, the second electrically-conductive backing plate 22b also comprises one the 4th vertical orientation film, and the 4th vertical orientation film is arranged on the common electrode 34, and can cover the first slit 29a and the second slit 30a, but does not fill up the first slit 29a and the second slit 30a.Again, the first slit 29a and the second slit 30a also are mutual mirror structure for the first center line C1.
Embodiment four
Please refer to Fig. 5, it illustrates is part vertical view according to first electrically-conductive backing plate of the display panels of embodiments of the invention four.Display panels 20 differences of the display panels 20c of present embodiment and embodiment one are the first electrically-conductive backing plate 21a, and first electrically-conductive backing plate, 21 differences of first electrically-conductive backing plate 21a of present embodiment and embodiment one are the shape and the orientation of first projection 45 and second projection 46.Continue to continue to use label as for other identical constitutive requirements, and repeat no more.
As shown in Figure 5, first projection 45 and second projection 46 are arranged on first ground 24 in the mode that is symmetrical in the first center line C1, and second projection 46 is the mirror structure of first projection 45 corresponding to the first center line C1.In other words, first projection 45 also is the mirror structure of second projection 46 corresponding to the first center line C1.Light spacer 27 is arranged on the first center line C1 substantially and is positioned on first ground 24, and between first projection 45 and second projection 46.In the present embodiment, first projection 45 and second projection 46 are two I font projections.For first projection 45 and second projection 46 of I font projection respectively has a head 47, a junction 48 and a bottom 49, connecting portion 48 connects head 47 and bottoms 49.Head 47 is parallel to bottom 49, and the connecting portion 48 and the first center line C1 form an angle, for example is 0 degree.That is to say that connecting portion 48 is parallel to the first center line C1 and the second data line D2, head 47 and bottom 49 are parallel to the first sweep trace S1.
The present embodiment the technical staff in the technical field can understand that the technology of present embodiment is not confined to this.For example, according among embodiment two and the embodiment three for the purpose of design of the 3rd projection 29, the 4th projection 30, the first slit 29a and the 4th slit 30a, present embodiment also can be provided with the 3rd projection and the 4th projection or first slit and second slit further on parallel second electrically-conductive backing plate to group with the first electrically-conductive backing plate 21a, the 3rd projection and the 4th projection or first slit and second slit be arranged in parallel corresponding to first projection 45 and second projection 46.
Embodiment five
Please refer to Fig. 6, it illustrates is part vertical view according to first electrically-conductive backing plate of the display panels of embodiments of the invention five.Display panels 20 differences of the display panels 20d of present embodiment and embodiment one are the first electrically-conductive backing plate 21b, and first electrically-conductive backing plate, 21 differences of first electrically-conductive backing plate 21b of present embodiment and embodiment one are shape and the orientation of the first projection 45a and the second projection 46a.Continue to continue to use label as for other identical constitutive requirements, and repeat no more.
As shown in Figure 6, the first projection 45a and the second projection 46a are arranged on first ground 24 in the mode that is symmetrical in the first center line C1, and the second projection 46a is the mirror structure of the first projection 45a corresponding to the first center line C1.In other words, the first projection 45a also is the mirror structure of the second projection 46a corresponding to the first center line C1.Light spacer 27 is arranged on the first center line C1 substantially and is positioned on first ground 24, and between the first projection 45a and the second projection 46a.In the present embodiment, the first projection 45a and the second projection 46a are two I font projections.For the first projection 45a and the second projection 46a of I font projection respectively has a head 47a, a junction 48a and a bottom 49a, connecting portion 48a connects head 47a and bottom 49a.Head 47a is parallel to bottom 49a, and the connecting portion 48a and the first center line C1 form an angle, for example is 90 degree.That is to say that connecting portion 48a is perpendicular to the first center line C1 and the second data line D2, head 47 and bottom 49 are perpendicular to the first sweep trace S1.Wherein, head 47a is far away from the first center line C1, and bottom 49a is nearer from the first center line C1.
The present embodiment the technical staff in the technical field can understand that the technology of present embodiment is not confined to this.For example, according among embodiment two and the embodiment three for the purpose of design of the 3rd projection 29, the 4th projection 30, the first slit 29a and the 4th slit 30a, present embodiment also can be provided with the 3rd projection and the 4th projection or first slit and second slit further on parallel second electrically-conductive backing plate to group with the first electrically-conductive backing plate 21b, the 3rd projection and the 4th projection or first slit and second slit are provided with corresponding to the first projection 45a and the second projection 46a.In addition, connecting portion 48a also can be with respect to first center line C1 inclination, 30 degree, 45 degree, 60 degree, 90 degree or arbitrarily angled.In addition, in the present embodiment, three first projection 45a can be set in the first pixel P1, three second projection 46a also can be set in the second pixel P2.
Embodiment six
Please refer to Fig. 7, it illustrates is part vertical view according to first electrically-conductive backing plate of the display panels of embodiments of the invention six.Display panels 20 differences of the display panels 20e of present embodiment and embodiment one are the first electrically-conductive backing plate 21c, and first electrically-conductive backing plate, 21 differences of first electrically-conductive backing plate 21c of present embodiment and embodiment one are the shape and the orientation of first projection 55 and second projection 55.Continue to continue to use label as for other identical constitutive requirements, and repeat no more.
As shown in Figure 7, first projection 55 and second projection 56 are arranged on first ground 24 in the mode that is symmetrical in the first center line C1, and second projection 56 is the mirror structure of first projection 55 corresponding to the first center line C1.In other words, first projection 55 also is the mirror structure of second projection 56 corresponding to the first center line C1.Light spacer 27 is arranged on the first center line C1 substantially and is positioned on first ground 24, and between first projection 55 and second projection 56.In addition, first projection 55 comprises sub-projection 55a of at least one V-shape and the sub-projection 55b of at least one inverted V-shape, and sub-projection 55a of V-shape and the sub-projection 55b of inverted V-shape are symmetrical in one second center line C2.The sub-projection 55a of inverted V-shape is the mirror structure of the sub-projection 55b of V-shape corresponding to the second center line C2, and the sub-projection 55a of V-shape is the mirror structure of the sub-projection 55b of inverted V-shape corresponding to the second center line C2.The second center line C2 and the first center line C1 form an angle, for example are 90 degree.That is, the second center line C2 is vertical with the first center line C1.In addition, second projection 56 comprises sub-projection 56a of at least one V-shape and the sub-projection 56b of at least one inverted V-shape, and sub-projection 56a of V-shape and the sub-projection 56b of inverted V-shape are symmetrical in the second center line C2.The sub-projection 56b of inverted V-shape is the mirror structure of the sub-projection 56a of V-shape corresponding to the second center line C2, and the sub-projection 56a of V-shape is the mirror structure of the sub-projection 56b of inverted V-shape corresponding to the second center line C2.In the present embodiment, first projection 55 is to comprise three sub-projection 55a of V-shape and three sub-projection 55b of inverted V-shape are that example explains, second projection 56 is comprising three sub-projection 56a of V-shape and three sub-projection 56b of inverted V-shape are that example explains, but the technology of present embodiment is not confined to this.
The present embodiment the technical staff in the technical field can understand that the technology of present embodiment is not confined to this.For example, two sub-projections of vertical bar of the sub-projection 55a of V-shape are mutually vertical to be connected, and with respect to the second center line C2 angle that tilts, for example is 45 degree.The rest may be inferred, and two sub-projections of vertical bar of the sub-projection 56a of V-shape are vertical mutually to be connected, and with respect to second center line C2 inclination, 45 degree.Two sub-projections of vertical bar of the sub-projection 55b of inverted V-shape are vertical mutually to be connected, and with respect to second center line C2 inclination, 45 degree.Two sub-projections of vertical bar of the sub-projection 56b of inverted V-shape are vertical mutually to be connected, and with respect to second center line C2 inclination, 45 degree.Wherein, the opening of sub-projection 55a of V-shape and 56a and sub-projection 55b of inverted V-shape and 56b can towards or the second center line C2 dorsad.According among embodiment two and the embodiment three for the purpose of design of the 3rd projection 29, the 4th projection 30, the first slit 29a and the 4th slit 30a, present embodiment also can be provided with the 3rd projection and the 4th projection or first slit and second slit further on parallel second electrically-conductive backing plate to group with the first electrically-conductive backing plate 21c, the 3rd projection and the 4th projection or first slit and second slit are provided with corresponding to first projection 55 and second projection 56.
Embodiment seven
Please refer to Fig. 8, it illustrates is part vertical view according to first electrically-conductive backing plate of the display panels of embodiments of the invention seven.Display panels 20 differences of the display panels 20f of present embodiment and embodiment one are the first electrically-conductive backing plate 21d, and first electrically-conductive backing plate, 21 differences of first electrically-conductive backing plate 21d of present embodiment and embodiment one are the shape and the orientation of first projection 65 and second projection 66.Continue to continue to use label as for other identical constitutive requirements, and repeat no more.
As shown in Figure 8, first projection 65 and second projection 66 are arranged on first ground 24 in the mode that is symmetrical in the first center line C1, and second projection 66 is the mirror structure of first projection 65 corresponding to the first center line C1.In other words, first projection 65 also is the mirror structure of second projection 66 corresponding to the first center line C1.Light spacer 27 is arranged on the first center line C1 substantially and is positioned on first ground 24, and between first projection 65 and second projection 66.In addition, first projection 65 comprises sub-projection 65a of at least one V-shape and the sub-projection 65b of at least one inverted V-shape, and sub-projection 65a of V-shape and the sub-projection 65b of inverted V-shape are symmetrical in one the 3rd center line C3.The sub-projection 65a of inverted V-shape is the mirror structure of the sub-projection 65b of V-shape corresponding to the 3rd center line C3, and the sub-projection 65a of V-shape is the mirror structure of the sub-projection 65b of inverted V-shape corresponding to the 3rd center line C3.The 3rd center line C3 and the first center line C1 form an angle, for example are 0 degree.That is, the 3rd center line C3 is parallel with the first center line C1.The sub-projection 65a of V-shape is far away from the first center line C1, and the sub-projection 65b of inverted V-shape is nearer from the first center line C1.
In addition, second projection 66 comprises sub-projection 66a of at least one V-shape and the sub-projection 66b of at least one inverted V-shape, and sub-projection 66a of V-shape and the sub-projection 66b of inverted V-shape are symmetrical in one the 4th center line C4.The sub-projection 66b of inverted V-shape is the mirror structure of the sub-projection 66a of V-shape corresponding to the 4th center line C4, and the sub-projection 66a of V-shape is the mirror structure of the sub-projection 66b of inverted V-shape corresponding to the 4th center line C4.The 4th center line C4 and the first center line C1 form an angle, for example are 0 degree.That is, the 4th center line C4 is parallel with the first center line C1.The sub-projection 66a of V-shape is far away from the first center line C1, and the sub-projection 66b of inverted V-shape is nearer from the first center line C1.
In the present embodiment, first projection 65 is to comprise two sub-projection 65a of V-shape and two sub-projection 65b of inverted V-shape are that example explains, second projection 66 is comprising two sub-projection 66a of V-shape and two sub-projection 66b of inverted V-shape are that example explains, but the technology of present embodiment is not confined to this.
The present embodiment the technical staff in the technical field can understand that the technology of present embodiment is not confined to this.For example, two sub-projections of vertical bar of the sub-projection 65a of V-shape are mutually vertical to be connected, and with respect to the 3rd center line C3 angle that tilts, for example is 45 degree.The rest may be inferred, and two sub-projections of vertical bar of the sub-projection 66a of V-shape are vertical mutually to be connected, and with respect to the 4th center line C4 inclination 45 degree.Two sub-projections of vertical bar of the sub-projection 65b of inverted V-shape are vertical mutually to be connected, and with respect to the 3rd center line C3 inclination 45 degree.Two sub-projections of vertical bar of the sub-projection 66b of inverted V-shape are vertical mutually to be connected, and with respect to the 4th center line C4 inclination 45 degree.Wherein, the opening of sub-projection 65a of V-shape and the sub-projection 65b of inverted V-shape can towards or the 3rd center line C3 dorsad, the opening of sub-projection 66a of V-shape and the sub-projection 66b of inverted V-shape can towards or the 4th center line C4 dorsad.According among embodiment two and the embodiment three for the purpose of design of the 3rd projection 29, the 4th projection 30, the first slit 29a and the 4th slit 30a, present embodiment also can be provided with the 3rd projection and the 4th projection or first slit and second slit further on parallel second electrically-conductive backing plate to group with the first electrically-conductive backing plate 21d, the 3rd projection and the 4th projection or first slit and second slit are provided with corresponding to first projection 65 and second projection 66.In addition, in the present embodiment, three first projections 65 can be set in the first pixel P1, three second projections 66 also can be set in the second pixel P2.
Embodiment eight
Please be simultaneously with reference to Fig. 9 A～9B, it is part vertical view according to the display panels of embodiments of the invention eight that Fig. 9 A illustrates, it is the fragmentary cross-sectional view of the display panels looked of the profile line 9B-9B ' along Fig. 9 A that Fig. 9 B illustrates.The display panels 70 of present embodiment is first electrically-conductive backing plate 71 and second electrically-conductive backing plate 72 with display panels 20 differences of embodiment one.How second electrically-conductive backing plate 72 of present embodiment has been first projection 75 and second projection 76 with second electrically-conductive backing plate, 22 differences of embodiment one.First electrically-conductive backing plate 71 and first electrically-conductive backing plate, 21 differences of embodiment one of present embodiment have been to omit first projection 25 and second projection 26 of first electrically-conductive backing plate 21.Continue to continue to use label as for other identical constitutive requirements, and repeat no more.
Shown in Fig. 9 A～9B, first projection 75 and second projection 76 are arranged at respectively among the first colored filter pixel F1 and this second colored filter pixel F2, and first projection 75 and second projection 76 are arranged on second ground 28 in the mode that is symmetrical in one first center line C5.Say that further first projection 75 and second projection 76 are arranged on the common electrode 34 in the mode that is symmetrical in the first center line C5.Second projection 76 is the mirror structure of first projection 75 corresponding to the first center line C5, and first projection 75 also is the mirror structure of second projection 76 corresponding to the first center line C5.Light spacer 77 is arranged on the first center line C5 substantially and is positioned on second ground 28, and between first projection 75 and second projection 76.Wherein, the first center line C5 is corresponding to the boundary of the first colored filter pixel F1 and the second colored filter pixel F2, and light spacer 77 is arranged on the boundary of the first colored filter pixel F1 and the second colored filter pixel F2.In addition, first projection 75 and second projection 76 correspond respectively to the first pixel P1 and the second pixel P2 is provided with, and the first center line C5 is corresponding to the second data line D2, and light spacer 77 is corresponding to the second data line setting.
In the present embodiment, first projection 75 and second projection 76 are two openings V-shape projections in opposite directions, and the opening surface of this V-shape projection is to the first center line C5.Wherein, for first projection 75 and second projection 76 of V-shape projection respectively has the sub-projection of two mutual vertical bars connected vertically, the sub-projection of this two vertical bar for example is 45 degree with respect to the first sweep trace S1 angle that tilts.In addition, first projection 75 and second projection 76 can also be two V-shape projections that opening is opposing, and the opening of this V-shape projection is the first center line C5 dorsad also.
The present embodiment the technical staff in the technical field can understand that the technology of present embodiment is not confined to this.For example, according among embodiment two and the embodiment three for the purpose of design of the 3rd projection 29, the 4th projection 30, the first slit 29a and the 4th slit 30a, present embodiment also can be further with second electrically-conductive backing plate, 72 parallel first electrically-conductive backing plates 71 to group on the 3rd projection and the 4th projection or first slit and second slit are set, the 3rd projection and the 4th projection or first slit and second slit are provided with corresponding to first projection 75 and second projection 76.In the present embodiment, the 3rd projection and the 4th projection can be arranged at respectively among the first pixel P1 and the second pixel P2, and for example the 3rd projection and the 4th projection are arranged at respectively on first pixel electrode 35 and second pixel electrode 36.First slit and second slit can be arranged at respectively among the first pixel P1 and the second pixel P2, and for example first pixel electrode 35 and second pixel electrode 36 have first slit and second slit respectively.
Can know by inference from embodiment five and embodiment six, present embodiment also can be designed to two I font projections with first projection 75 and second projection 77, and the connecting portion of this I font projection for example is 0 degree, 30 degree, 45 degree, 60 degree, 90 degree or arbitrarily angled with respect to the first center line C5 angle that tilts.In addition, can in the first colored filter pixel F1 of present embodiment, a plurality of I font projections be set, also a plurality of I font projections can be set in the second colored filter pixel F2.In addition, the position and the orientation of the I font of more can arranging in pairs or groups projection are provided with the 3rd projection and the 4th projection or first slit and second slit accordingly on first electrically-conductive backing plate 71.
In like manner, based on the technology contents of embodiment seven and embodiment eight, present embodiment also can be designed to comprise sub-projection of at least one V-shape and the sub-projection of at least one inverted V-shape respectively with first projection 75 and second projection 77.Sub-projection of V-shape and the sub-projection of inverted V-shape are symmetrical in one the 6th center line, and the sub-projection of inverted V-shape is the mirror structure of the sub-projection of V-shape corresponding to the 6th center line, and the sub-projection of V-shape also is the mirror structure of the sub-projection of inverted V-shape corresponding to the 6th center line.The 6th center line for example is 0 degree, 30 degree, 45 degree, 60 degree, 90 degree or arbitrarily angled with respect to the first center line C5 angle that tilts.In addition, can in the first colored filter pixel F1 of present embodiment, sub-projection of a plurality of V-shapes and the sub-projection of a plurality of subtype of falling V be set, also sub-projection of a plurality of V-shapes and the sub-projection of a plurality of subtype of falling V can be set in the second colored filter pixel F2.Moreover the position and the orientation of more can arrange in pairs or groups sub-projection of V-shape and the sub-projection of inverted V-shape are provided with the 3rd projection and the 4th projection or first slit and second slit accordingly on first electrically-conductive backing plate 71.
Need to prove, be arranged on the symmetrical center line between two projections based on the light spacer of present embodiment, and two projection with respect to symmetrical center line each other under the prerequisite of mirror structure, disclosed shape of the foregoing description and orientation are not limited in the shape of first projection and second projection and orientation, and any design that can avoid light spacer and partly overlapping projection shape of projection and orientation all can be applicable on two projections of the structure of mirror each other of present embodiment.For example, the projection of mirror structure can be respectively one or more cross projection, one or more Y-shaped projection, one or more X font projection, one or more T font projection, one or more rectangular projection parallel with sweep trace, one or more rectangular projection parallel with data line, one or more rectangular projection in pixel diagonal angle of spending with respect to inclining scanning line 45 or the like each other.In addition, the projection of mirror structure can be respectively that the sub-projection of one or more Y-shaped reaches the combination of the sub-projection of Y-shaped or combination of sub-projection of one or more T font and the sub-projection of the font of falling T or the like each other.
Though the pixel P1 of present embodiment and P2 explain with upright rectangular area, promptly the sweep trace edge of pixel P1 and P2 is also shorter than data line edge, and the technology of present embodiment is not confined to this.For example, pixel P1 and P2 can also be the rectangular areas that couches, and promptly the sweep trace edge of pixel P1 and P2 is also longer than data line edge.Or, pixel P1 and P2 square area, promptly the sweep trace edge of pixel P1 and P2 and data line edge are isometric.
At present embodiment, with mutually each other first projection of mirror structure and second projection to be located in a pixel P1 and a P2 respectively be that example explains, but first projection of mirror structure and the structure that second projection could also be located in and cross over two or more pixels each other mutually.The rest may be inferred, and first projection of mirror structure and second projection can repeat and be arranged at regularly in the active matrix pixel array of display panels every the mode of a fixed pixel number each other mutually.Or mutually first projection of mirror structure and second projection can be every the modes of a fixed pixel number each other, repeat and regularly in the colored filter pel array corresponding to display panels.
In addition, if when one of them of first electrically-conductive backing plate and second electrically-conductive backing plate be the thin film transistor base plate of colored filter on array, a colored filter that has correspondence in each pixel of its active matrix pixel array.That is to say that in the thin film transistor base plate of colored filter on array, each pixel of active matrix pixel array is corresponding to a pixel of colored filter pixel.
The disclosed display panels of the above embodiment of the present invention, mirror structure and light spacer are arranged at design on the symmetrical center line between two projections to its two projection each other with respect to symmetrical center line, can avoid light spacer and two projections to produce partly overlapping phenomenon, and then prevent to cause display panels that the phenomenon of image ghost takes place when running.Thus, can promote the display quality and the practicality of display panels widely.
In sum; though the present invention discloses as above with preferred embodiment; yet it is not in order to limit the present invention; those skilled in the art without departing from the spirit and scope of the present invention; can do a little change and retouching, thus protection scope of the present invention should with accompanying Claim the person of being defined be as the criterion.
Claims (10)
1. display panels comprises:
First electrically-conductive backing plate comprises:
First ground;
First projection and second projection are arranged on this first ground in the mode that is symmetrical in first center line, and this second projection is the mirror structure of this first projection corresponding to this first center line; And
Light spacer is arranged on this first center line substantially and is positioned on this first ground, and between this first projection and this second projection;
First sweep trace and second sweep trace are arranged on this first ground in parallel to each other;
First data line, second data line and the 3rd data line are arranged on this first ground in parallel to each other, and vertically staggered with this first sweep trace and second sweep trace, and define first pixel and second pixel;
Wherein, this first projection and this second projection are arranged at respectively in this first pixel and this second pixel, and this light spacer is positioned at this first pixel and this second pixel intersection middle part;
Second electrically-conductive backing plate be arranged in parallel with this first electrically-conductive backing plate; And
Liquid crystal layer is arranged between this first electrically-conductive backing plate and this second electrically-conductive backing plate.
2. display panels as claimed in claim 1, wherein this first projection is the V-shape projection, the opening surface of this V-shape projection is to this first center line.
3. display panels as claimed in claim 1, wherein this first projection comprises sub-projection of at least one V-shape and the sub-projection of at least one inverted V-shape, sub-projection of this V-shape and the sub-projection of this inverted V-shape are symmetrical in second center line, the sub-projection of this inverted V-shape is the mirror structure of the sub-projection of this V-shape corresponding to this second center line, and this second center line and this first center line form angle.
4. display panels as claimed in claim 3, wherein this angle is 0 degree or 90 degree.
5. display panels as claimed in claim 1, wherein, this first center line is corresponding to this second data line, and this light spacer is arranged on this second data line.
6. display panels as claimed in claim 1, wherein this second electrically-conductive backing plate also comprises second ground.
7. display panels as claimed in claim 1, wherein this second electrically-conductive backing plate comprises:
Second ground; And
Common electrode is arranged on this second ground, and has slit corresponding to this first projection setting.
8. display panels as claimed in claim 1, wherein this second electrically-conductive backing plate also comprises:
Second ground; And
The 3rd projection and the 4th projection are arranged at respectively in this first pixel and this second pixel, and correspond respectively to this first projection and this second projection setting.
9. display panels as claimed in claim 1, wherein this second electrically-conductive backing plate also comprises:
Second ground; And
First pixel electrode and second pixel electrode are arranged at respectively in this first pixel and this second pixel, and have first slit and second slit respectively, and this first slit and this second slit correspond respectively to this first projection and this second projection setting.
10. display panels as claimed in claim 1, wherein this first electrically-conductive backing plate and this second electrically-conductive backing plate are respectively thin film transistor base plate and colored filter substrate.
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| CNB200610006014XA CN100368900C (en) | 2006-01-23 | 2006-01-23 | Liquid crystal panel |
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| CNB200610006014XA CN100368900C (en) | 2006-01-23 | 2006-01-23 | Liquid crystal panel |
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| CN100368900C true CN100368900C (en) | 2008-02-13 |
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|---|---|---|---|---|
| JPH1124103A (en) * | 1997-07-01 | 1999-01-29 | Hitachi Ltd | Liquid crystal display element and manufacturing method and device therefor |
| EP1103840A2 (en) * | 1997-06-12 | 2001-05-30 | Fujitsu Limited | Vertically-aligned (va) liquid crystal display device |
| CN1385738A (en) * | 2001-04-11 | 2002-12-18 | 夏普公司 | Lcd |
| JP2005274668A (en) * | 2004-03-23 | 2005-10-06 | Sharp Corp | Liquid crystal display device |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1103840A2 (en) * | 1997-06-12 | 2001-05-30 | Fujitsu Limited | Vertically-aligned (va) liquid crystal display device |
| JPH1124103A (en) * | 1997-07-01 | 1999-01-29 | Hitachi Ltd | Liquid crystal display element and manufacturing method and device therefor |
| CN1385738A (en) * | 2001-04-11 | 2002-12-18 | 夏普公司 | Lcd |
| JP2005274668A (en) * | 2004-03-23 | 2005-10-06 | Sharp Corp | Liquid crystal display device |
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