CN204389852U - Display panel - Google Patents

Abstract

The utility model discloses a kind of display panel.Display panel comprises a colored optical filtering substrates.Colored optical filtering substrates comprises one first base material, a black matrix", a chromatic filter layer, a transparency conducting layer and multiple clearance wall.Black matrix" and chromatic filter layer are arranged on the first base material.Transparency conducting layer is arranged on chromatic filter layer and black matrix", and transparency conducting layer has multiple opening, and this little opening is positioned on black matrix".Clearance wall to be positioned on transparency conducting layer and to be positioned on black matrix".At least one of them person of opening is between adjacent clearance wall, and at least one of them person's part of clearance wall is covered at least one of them person of opening.

Description

Display panel

Technical field

The utility model relates to a kind of display panel, and particularly relates to a kind of display panel with good display quality.

Background technology

Liquid crystal display has been widely used in various electronic product, as mobile phone, notebook computer (notebook) and panel computer (Tablet PC) etc., and along with the fast development in large scale flat-panel screens market, the liquid crystal display with lightweight and slimming characteristic plays considerable role especially, and then replaces cathode-ray tube (CRT) (CRT) display gradually and become the market mainstream.

Further, the liquid crystal display with wide viewing angle has become trend set at present.But, based on the new technology that wide viewing angle is introduced, also easily with derivative new problem, and affect the problem of display quality.Therefore, how providing a kind of and have good display quality and have the display panels of wide viewing angle, is one of problem that relevant dealer makes great efforts.

Utility model content

The purpose of this utility model is to provide a kind of display panel.In display panel, the opening of the transparency conducting layer on colored optical filtering substrates to be positioned on black matrix" and to cover a clearance wall at least partly, thus effectively can improve aperture opening ratio, reduce the harmful effect of coupling capacitance for the Signal transmissions of circuit, and then promote the display quality of display panel.

For solving the problem, the utility model proposes a kind of display panel.Display panel comprises a colored optical filtering substrates.Colored optical filtering substrates comprises one first base material, a black matrix", a chromatic filter layer, a transparency conducting layer and multiple clearance wall.Black matrix" and chromatic filter layer are arranged on the first base material.Transparency conducting layer is arranged on chromatic filter layer and black matrix", and transparency conducting layer has multiple opening, and this little opening is positioned on black matrix".Clearance wall to be positioned on transparency conducting layer and to be positioned on black matrix".At least one of them person of opening is between adjacent clearance wall, and at least one of them person's part of clearance wall is covered at least one of them person of opening.

At least one of them persons of those clearance walls cover the area of at least one of them person of those openings 5% ~ 50% between.

At least one of them persons of those clearance walls cover the area of at least one of them person of those openings 10% ~ 30% between.

This chromatic filter layer has at least two color blockings (color resist), and wherein this two color blocking has different colours, and at least one of them person of those clearance walls is positioned on the intersection extension line of the color blocking of this at least two different colours.

This chromatic filter layer has a shrinkage pool, and this shrinkage pool is positioned at the intersection of this two color blocking, and the bottom most position of this shrinkage pool is outside the center of at least one of them person of those clearance walls.

This at least two color blocking is respectively one of them of red color resistance, green color blocking or blue color blocking.

This display panel also comprises: liquid crystal layer; And thin film transistor base plate, with this colored optical filtering substrates to group.

This thin film transistor base plate comprises a gate line, and at least one of them person of those clearance walls and at least one of them person of those openings are positioned on this gate line.

This thin film transistor base plate comprises a data line, and at least one of them person of those clearance walls is positioned on this data line.

This thin film transistor base plate also comprises a pixel electrode, and at least one of them person of those openings is positioned on the center of this pixel electrode.

This thin film transistor base plate also comprises a pixel electrode, and at least one of them person of those openings and at least one of them person of those clearance walls are positioned on this black matrix", and this black matrix" is across this pixel electrode.

This thin film transistor base plate also comprises: second substrate; And tft layer, be arranged on this second substrate.

This display panel also comprises: flatness layer, between this chromatic filter layer, this black-matrix layer and this transparency conducting layer.

The utility model has the advantage of, in its display panel, the opening of the transparency conducting layer on colored optical filtering substrates to be positioned on black matrix" and to cover a clearance wall at least partly, thus effectively aperture opening ratio can be improved, reduce the harmful effect of coupling capacitance for the Signal transmissions of circuit, and then promote the display quality of display panel.

In order to have better understanding to above-mentioned and other aspect of the present utility model, preferred embodiment cited below particularly, and the accompanying drawing appended by coordinating, be described in detail below:

Accompanying drawing explanation

Figure 1A is the local schematic top plan view of the display panel of the utility model one embodiment;

Figure 1B is the diagrammatic cross-section of the profile line B-B ' along Figure 1A;

Fig. 1 C is the diagrammatic cross-section of the profile line C-C ' along Figure 1A;

Fig. 2 is the schematic top plan view of the display panel of another embodiment of the utility model;

Fig. 3 A is the local schematic top plan view of the display panel of the utility model one embodiment;

Fig. 3 B is the diagrammatic cross-section of the profile line 3B-3B ' along Fig. 3 A;

Fig. 4 is the partial exploded view of the display panel of the another embodiment of the utility model.

Symbol description

100,200,300,400: display panel

100A: colored optical filtering substrates

100B: thin film transistor base plate

100C: liquid crystal layer

110: the first base materials

120: black matrix"

130: chromatic filter layer

130A, 130B, 130C: color blocking

130b: bottommost

130c: shrinkage pool

140: transparency conducting layer

140A: opening

150: clearance wall

150c: center

160: flatness layer

170: second substrate

180: tft layer

190: pixel electrode

B-B ', C-C ', 3B-3B ': profile line

DL: data line

GL: gate line

LC: liquid crystal

P: secondary pixel cell

R: region

Embodiment

According to embodiment of the present utility model, in display panel, the opening of the transparency conducting layer on colored optical filtering substrates to be positioned on black matrix" and to cover a clearance wall at least partly, thus effectively aperture opening ratio can be improved, reduce the harmful effect of coupling capacitance for the Signal transmissions of circuit, and then promote the display quality of display panel.Embodiment of the present utility model is described in detail referring to appended accompanying drawing.Label identical in accompanying drawing is in order to indicate same or similar part.It is noted that accompanying drawing has simplified the content in order to clearly demonstrating embodiment, the thin portion structure that embodiment proposes has been only the use illustrated, not does limit to the utility model for the scope of protection.Have usually know the knowledgeable when can according to reality implement aspect need those structures are modified or are changed.

Figure 1A illustrates the local schematic top plan view of the display panel 100 according to the utility model one embodiment, and Figure 1B illustrates the diagrammatic cross-section of the profile line B-B ' along Figure 1A, and Fig. 1 C illustrates the diagrammatic cross-section of the profile line C-C ' along Figure 1A.As shown in Figure 1A ~ Fig. 1 C, Figure 1A illustrates one pixel cell P of display panel 100.Display panel 100 comprises a colored optical filtering substrates 100A, a liquid crystal layer 100C and a thin film transistor base plate 100B, wherein thin film transistor base plate 100B and colored optical filtering substrates 100A to group so that liquid crystal layer 100C is folded in wherein.Colored optical filtering substrates 100A comprises one first base material 110, black matrix" 120, chromatic filter layer 130, transparency conducting layer 140 and multiple clearance wall 150.In embodiment, with the structure (being seen toward the direction of colored optical filtering substrates 100A from liquid crystal layer 100C) of the colored optical filtering substrates 100A in shown in Figure 1A ~ Fig. 1 C, black matrix" 120 and chromatic filter layer 130 are arranged on the first base material 110; Though illustrate in accompanying drawing and make in advance black matrix" 120 and form chromatic filter layer 130 be again covered in black matrix" 120 with on chromatic filter layer 130 after the first base material 110, but not limited with this, also can first make chromatic filter layer 130 on the first base material 110 after form black matrix" 120 again on chromatic filter layer 130.Transparency conducting layer 140 is arranged at chromatic filter layer 130 with on black matrix" 120, and transparency conducting layer 140 has multiple opening 140A, and this little opening 140A is positioned on black matrix" 120.Clearance wall 150 to be positioned on transparency conducting layer 140 and to be positioned on black matrix" 120.At least one of them person of this little opening 140A is between this adjacent a little clearance wall 150, and at least one of them person's part of this little clearance wall 150 is covered at least one of them person of this little opening 140A.In other words, have an opening 140A at least between adjacent at least two clearance walls 150, and have at least an opening 140A by one of them person in adjacent at least two clearance walls 150 part cover.

In other words, as shown in Figure 1A ~ Fig. 1 C, opening 140A is positioned on black matrix" 120, namely represents that the opening 140A of transparency conducting layer 140 corresponds to black matrix" 120 and arranges.In one embodiment, for display panel 100 for display panels, the opening 140A of transparency conducting layer 140 can make the liquid crystal molecule in liquid crystal (Liquid Crystal, LC) produce 360 degree of toppling over of direction and reach the effect of wide viewing angle.But because the Liquid Crystal Molecules Alignment in the liquid crystal LC around opening 140A is irregular, if therefore opening 140A is arranged in the open region (viewing area) of time pixel cell P, the dark space in viewing area can be caused, and produce side-looking angle leakage problem, therefore at corresponding opening 140A place, storage capacitors can be set to cover opening 140A in the past, but cause the problem of aperture opening ratio minimizing.According to embodiment of the present utility model, clearance wall 150 to be positioned on transparency conducting layer 140 and to be positioned on black matrix" 120, namely represents that clearance wall 150 corresponds to black matrix" 120 and arranges.Thus, black matrix" 120 just can cover irregular the produced leakage problem of the Liquid Crystal Molecules Alignment of liquid crystal LC that causes because of the shape of clearance wall 150; Moreover, opening 140A due to transparency conducting layer 140 also corresponds to black matrix" 120 and arranges, therefore black matrix" 120 also can cover the region R of the liquid crystal LC irregular arrangement around opening 140A simultaneously, reduces the dark space produced because of liquid crystal LC irregular arrangement and the leakage problem of region R.In other words, according to embodiment of the present utility model, the opening 140A of transparency conducting layer 140 is positioned on black matrix" 120, without the need to arranging storage capacitors in opening 140A place, so can avoid reducing because arrange the aperture opening ratio that storage capacitors causes, effectively can improve aperture opening ratio, and effectively can avoid leakage problem, and then promote the display quality of display panel 100.

In embodiment, as shown in Figure 1B ~ Fig. 1 C, thin film transistor base plate 100B can comprise second substrate 170 and a tft layer 180, and tft layer 180 is arranged on second substrate 170.Thin film transistor base plate 100B can comprise a gate lines G L, and gate lines G L is arranged in tft layer 180 and corresponding black matrix" 120 is arranged, and therefore clearance wall 150 and opening 140A are also arranged corresponding to gate lines G L.In embodiment, as shown in Figure 1B ~ Fig. 1 C, at least one of them person of at least one of them person of this little clearance wall 150 a little opening 140A is therewith positioned on gate lines G L.

In embodiment, as shown in Figure 1 C, thin film transistor base plate 100B also can comprise a data line DL, and at least one of them person of this little clearance wall 150 is positioned on data line DL.

In addition, as shown in Figure 1 C, according to embodiment of the present utility model, at least one clearance wall 150 part covers the opening 140A of at least one transparency conducting layer 140.Opening 140A due to the present embodiment is positioned on black matrix" 120, the transparency conducting layer 140 therefore with opening 140A also can be distributed on black matrix" 120, this transparency conducting layer 140 part be positioned on black matrix" 120 can produce coupling capacitance effect with the gate lines G L of corresponding black matrix", causes the problem that signal interferes with each other.And according to embodiment of the present utility model, the transparency conducting layer 140 reducing and be positioned on black matrix" 120 or the area increasing opening 140A can be utilized to reduce the coupling capacitance effect of transparency conducting layer 140 and gate lines G L, and the harmful effect of this coupling capacitance for the Signal transmissions of the circuit in display panel 100 can be reduced.

Moreover, along with the increase of per inch pixel (ppi) number of display panel, need in the unit area of display panel to hold more pixels, and unit picture element just must reduce.Therefore, based under the manufacture of clearance wall 150 and the restriction of material thereof, the size of clearance wall 150 has its limit, therefore when reducing the area of the transparency conducting layer 140 or increase opening 140A be positioned on black matrix" 120 to reduce the coupling capacitance effect of transparency conducting layer 140 and gate lines G L, therefore the opening 140A allowing at least one clearance wall 150 part cover at least one transparency conducting layer 140 can be designed, so just can have relatively large size by allow clearance wall 150, and the opening 140A of transparency conducting layer 140 also can have relatively large area, and then be conducive to the effect of wide angle of display panel.

In one embodiment, what at least one of them person of this little opened gap wall 150 covered the area of at least one of them person of this little opening 140A is such as between 5% ~ 50%.That is, one or more clearance wall 150 can cover the area of an opening 140A 5% ~ 50% between.

In another embodiment, what at least one of them person of this little opened gap wall 150 covered the area of at least one of them person of this little opening 140A is such as between 10% ~ 30%.That is, one or more clearance wall 150 can cover the area of an opening 140A 10% ~ 30% between.

In embodiment, as shown in Figure 1A, opening 140A by two clearance walls 150 part cover.But part cover opening 140A clearance wall 150 number also visual actual needs do suitable selection, not as limit.

In embodiment, the material of transparency conducting layer 140 is such as tin indium oxide (ITO).But the material of transparency conducting layer 140 also visual actual needs does suitable selection, not as limit.

In embodiment, as shown in Figure 1B, chromatic filter layer 130 has at least two color blockings (colorresist) 130A, 130B, and color blocking 130A and color blocking 130B can have identical or different color.In embodiment, color blocking 130A and color blocking 130B can be one of them of red color resistance, green color blocking or blue color blocking respectively.For example, color blocking 130A is such as red color resistance, and color blocking 130B is such as green color blocking.But the color configuration of color blocking and number also visual actual needs do suitable selection, not as limit.

In embodiment, as shown in Figure 1B ~ Fig. 1 C, display panel 100 also can comprise a flatness layer 160, and flatness layer 160 is arranged between chromatic filter layer 130, black-matrix layer 120 and the transparency conducting layer 140 on chromatic filter layer 130 and black-matrix layer 120.

In embodiment, as shown in Figure 1B, thin film transistor base plate 100B can comprise a pixel electrode 190, and pixel electrode 190 is arranged on tft layer 180.In one embodiment, the color blocking that the pixel electrode 190 of thin film transistor base plate 100B may correspond in colored optical filtering substrates 100A is arranged.

In embodiment, the material of pixel electrode 190 is such as tin indium oxide (ITO).But the material of pixel electrode 190 also visual actual needs does suitable selection, not as limit.

Fig. 2 illustrates the schematic top plan view of the display panel 200 according to another embodiment of the utility model.In the present embodiment, same or similar element numbers continued to use by element same or analogous with previous embodiment, and the related description of same or similar element please refer to aforementioned, does not repeat them here.

As shown in Figure 2, the colored optical filtering substrates of display panel 200 comprises multiple pixel cell P, and these a little pixel cell P arrange in a matrix fashion.In embodiment, the chromatic filter layer in display panel 200 has multiple color blocking, and wherein the color blocking of same a line (column) has same color, and the adjacent color blocking in same row (row) has different colours.For example, in display panel 200, color blocking 130A, color blocking 130B or color blocking 130C may be with the color blocking in a line, and the color blocking in same row using color blocking 130A/ color blocking 130B/ color blocking 130C as a unit repeated configuration.

In one embodiment, in display panel 200, multiple color blockings of colored optical filtering substrates are alignd with multiple pixel electrodes of thin film transistor base plate respectively and are arranged.

Fig. 3 A illustrates the local schematic top plan view of the display panel 300 according to the utility model one embodiment, and Fig. 3 B illustrates the diagrammatic cross-section of the profile line 3B-3B ' along Fig. 3 A.In the present embodiment, same or similar element numbers continued to use by element same or analogous with previous embodiment, and the related description of same or similar element please refer to aforementioned, does not repeat them here.

In embodiment, as shown in Fig. 3 A ~ Fig. 3 B, chromatic filter layer 130 has a shrinkage pool 130c, and shrinkage pool 130c is positioned at the adjacent color blocking 130A of two different colours and the intersection of 130B.The bottommost 130b of shrinkage pool 130c is positioned at outside the center 150c of at least one of them person of multiple clearance wall 150.

As shown in Fig. 3 A ~ Fig. 3 B, at least one of them person of multiple clearance wall 150 is positioned on the intersection extension line of the color blocking 130A of adjacent two different colours, 130B.The bottommost 130b of shrinkage pool 130c the center 150c of unjustified clearance wall 150, in fact, the bottommost 130b relativity shift of shrinkage pool 130c is in the center 150c of clearance wall 150.In other words, the center 150c of clearance wall 150 is not just in time seated the intersection of two photoresists.

In the present embodiment, as shown in Fig. 3 A ~ Fig. 3 B, opening 140A by a clearance wall 150 part cover.

Fig. 4 illustrates the partial exploded view of the display panel 400 according to the another embodiment of the utility model.In the present embodiment, same or similar element numbers continued to use by element same or analogous with previous embodiment, and the related description of same or similar element please refer to aforementioned, does not repeat them here.

In embodiment, at least one of them person of multiple opening 140A of transparency conducting layer 140 is positioned on the center of pixel electrode 190.As shown in Figure 4, the opening 140A of the transparency conducting layer 140 of colored optical filtering substrates 100A corresponds to the center of the pixel electrode 190 of thin film transistor base plate 100B.In other words, the color blocking 130A part of the chromatic filter layer 130 of colored optical filtering substrates 100A is covered on the pixel electrode 190 of thin film transistor base plate 100B, that is, the color blocking 130A of the chromatic filter layer 130 of colored optical filtering substrates 100A and the pixel electrode 190 of thin film transistor base plate 100B stagger and arrange.

In embodiment, referring to Figure 1A ~ Fig. 1 C and Fig. 4, at least one of them person of at least one of them person of this little opening 140A a little clearance wall 150 therewith is positioned on black matrix" 120, and black matrix" 120 is across pixel electrode 190.

According to embodiment of the present utility model, referring to Figure 1A ~ Fig. 1 C and Fig. 4, pixel electrode 190 in color blocking 130A in colored optical filtering substrates 100A and thin film transistor base plate 100B staggers and arranges, the opening 140A of colored optical filtering substrates 100A side is made to may correspond to black matrix" 120 between each pixel cell P, also correspond to the central authorities of pixel electrode 190 or the centre position of thin film transistor base plate 100B side, namely the central authorities of secondary pixel cell P or centre position simultaneously.In embodiment, as shown in Figure 4, black matrix" 120 is between two adjacent color blocking 130A of chromatic filter layer 130, and the center of respective pixel electrode 190.Therefore, based on this kind of design, the opening 140A of transparency conducting layer 140 still can correspond to the central authorities of the pixel electrode 190 of thin film transistor base plate 100B, thus while raising aperture opening ratio, and the effect of the uniform liquid crystal guiding that display panel still can be provided good.

In one embodiment, colored optical filtering substrates 100A as shown in Figure 4 arranges in the manner shown in figure 2 in a matrix fashion, and pixel electrode 190 unit of its lower corresponding thin film transistor base plate 100B also arranges in a matrix fashion, wherein with the multiple color blockings in a line, there is same color.Multiple color blocking of these two matrixes and multiple pixel electrode 190 can to stagger according to the direction of row (column) according to mode as shown in Figure 4 and arrange, the direction namely followed is staggered through translation about half subdetector pixel cell each other, and forms the display panel with high aperture and good liquid crystal guide effect.

Claims (13)

1. a display panel, is characterized in that, this display panel comprises:

Colored optical filtering substrates, comprising:

First base material;

Black matrix" and chromatic filter layer, be arranged on this first base material;

Transparency conducting layer, be arranged on this chromatic filter layer and this black matrix", this transparency conducting layer has multiple opening, and those openings are positioned on this black matrix"; And

Multiple clearance wall, to be positioned on this transparency conducting layer and to be positioned on this black matrix";

Wherein, at least one of them person of those openings is between those adjacent clearance walls, and at least one of them person's part of those clearance walls is covered at least one of them person of those openings.

2. display panel as claimed in claim 1, is characterized in that, at least one of them persons of those clearance walls cover the area of at least one of them person of those openings 5% ~ 50% between.

3. display panel as claimed in claim 1, is characterized in that, at least one of them persons of those clearance walls cover the area of at least one of them person of those openings 10% ~ 30% between.

4. display panel as claimed in claim 1, it is characterized in that, this chromatic filter layer has at least two color blockings, and wherein this two color blocking has different colours, and at least one of them person of those clearance walls is positioned on the intersection extension line of the color blocking of this at least two different colours.

5. display panel as claimed in claim 4, it is characterized in that, this chromatic filter layer has a shrinkage pool, and this shrinkage pool is positioned at the intersection of this two color blocking, and the bottom most position of this shrinkage pool is outside the center of at least one of them person of those clearance walls.

6. display panel as claimed in claim 4, is characterized in that, this at least two color blocking is respectively one of them of red color resistance, green color blocking or blue color blocking.

7. display panel as claimed in claim 1, it is characterized in that, this display panel also comprises:

Liquid crystal layer; And

Thin film transistor base plate, with this colored optical filtering substrates to group.

8. display panel as claimed in claim 7, it is characterized in that, this thin film transistor base plate comprises a gate line, and at least one of them person of those clearance walls and at least one of them person of those openings are positioned on this gate line.

9. display panel as claimed in claim 8, it is characterized in that, this thin film transistor base plate comprises a data line, and at least one of them person of those clearance walls is positioned on this data line.

10. display panel as claimed in claim 7, it is characterized in that, this thin film transistor base plate also comprises a pixel electrode, and at least one of them person of those openings is positioned on the center of this pixel electrode.

11. display panels as claimed in claim 7, it is characterized in that, this thin film transistor base plate also comprises a pixel electrode, and at least one of them person of those openings and at least one of them person of those clearance walls are positioned on this black matrix", and this black matrix" is across this pixel electrode.

12. display panels as claimed in claim 7, it is characterized in that, this thin film transistor base plate also comprises:

Second substrate; And

Tft layer, is arranged on this second substrate.

13. display panels as claimed in claim 1, it is characterized in that, this display panel also comprises:

Flatness layer, between this chromatic filter layer, this black-matrix layer and this transparency conducting layer.