CN203365870U - Array substrate and display device - Google Patents
Array substrate and display device Download PDFInfo
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- CN203365870U CN203365870U CN 201320494319 CN201320494319U CN203365870U CN 203365870 U CN203365870 U CN 203365870U CN 201320494319 CN201320494319 CN 201320494319 CN 201320494319 U CN201320494319 U CN 201320494319U CN 203365870 U CN203365870 U CN 203365870U
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Abstract
The embodiment of the utility model discloses an array substrate and a display device provided with the array substrate, belonging to the technical field of display and solving the technical problem that light leakage happens in a frame area of a liquid crystal display (LCD) in the prior art, thus affecting the display effect. A frame area of the array substrate comprises a first metal layer, a second metal layer and an insulating layer arranged between the first and second metal layers, wherein the first metal layer comprises lead graphs, the second metal layer comprises shading graphs, and the shading graphs are used for shading the areas corresponding to the parts except the lead graphs. The array substrate can be applied to the LCD and other display devices.
Description
Technical field
The utility model belongs to the display technique field, is specifically related to a kind of array base palte, and the display device that is provided with this array base palte.
Background technology
Along with the development of display technique, Thin Film Transistor-LCD (Thin Film Transistor Liquid Crystal Display is called for short TFT-LCD) has occupied leading position in the flat pannel display field.TFT-LCD is comprised of array base palte and color membrane substrates, wherein on color membrane substrates, is formed with color film and black matrix, and color film is photic zone, and other zones utilize black matrix shading, in case leak-stopping influence of light display effect.
At present, black matrix is to utilize mask plate composition technique, through steps such as exposure, etchings, is formed on color membrane substrates, and use therein photoresist (Photo Resist, be called for short PR) is negative photoresist normally, while exposing by illumination to photoresist can remain.In order to guarantee the quality of exposing, all contain a large amount of solvents in photoresist, and when being exposed, photoresist generally all adopts proximity printing, and the solvent in photoresist is easy to volatilization, make the mask plate of frame region top of color membrane substrates contaminated, this light that can cause some should shine on photoresist is blocked, and causes the black matrix of frame region of color membrane substrates by too much etching away, light leakage phenomena occurs, and affects display effect.
The utility model content
The utility model embodiment provides a kind of array base palte, and the display device that is provided with this array base palte, has solved the frame region generation light leakage phenomena of liquid crystal display in the prior art, affects the technical matters of display effect.
For achieving the above object, embodiment of the present utility model adopts following technical scheme:
The utility model provides a kind of array base palte, frame region at described array base palte comprises the first metal layer and the second metal level, and the insulation course between described the first metal layer and described the second metal level, described the first metal layer comprises the lead-in wire figure, described the second metal level comprises shading graph, and described shading graph is blocked the corresponding zone of part beyond described lead-in wire figure.
Further,, there is gap in partly or entirely being comprised of a plurality of island figures of described shading graph between adjacent described island figure.
Further, described the first metal layer is gate metal layer, and described lead-in wire figure is the grid lead figure, and described the second metal level is the data wire metal layer.
Perhaps, described the first metal layer is the data wire metal layer, and described lead-in wire figure is the data cable lead wire figure, and described the second metal level is gate metal layer.
Preferably, described the first metal layer or described the second metal level are compounded to form by molybdenum layer, aluminium lamination, molybdenum layer from top to bottom successively.
The utility model also provides a kind of display device, comprises color membrane substrates and above-mentioned array base palte.
Compared with prior art, technique scheme provided by the utility model has following advantage: the lead-in wire figure that is positioned at the frame region of array base palte has interception, the shading graph that simultaneously is positioned at the frame region of array base palte also has interception, and shading graph has been blocked the corresponding zone of part beyond the lead-in wire figure, all light paths of the frame region that just can shelter from array base palte so the lead-in wire figure matches with shading graph.Therefore, the light of the frame region of array base palte can be sheltered from by lead-in wire figure and shading graph, even the black matrix of the frame region of color membrane substrates is produced light leak spot by too much etching, light leakage phenomena can not occur yet, thereby make the display effect of liquid crystal display not affected by light leak.
The accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, in below describing embodiment, the accompanying drawing of required use is briefly described.
The schematic cross-section of the array base palte that Fig. 1 provides for embodiment 1 of the present utility model;
The floor map of the array base palte that Fig. 2 provides for embodiment 1 of the present utility model;
The shaded effect schematic diagram of the array base palte that Fig. 3 provides for embodiment 1 of the present utility model;
The schematic cross-section of the array base palte that Fig. 4 provides for embodiment 2 of the present utility model;
The shaded effect schematic diagram of the array base palte that Fig. 5 provides for embodiment 2 of the present utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out to clear, complete description.
The frame region of the array base palte that the utility model embodiment provides comprises the first metal layer and the second metal level, and the insulation course between the first metal layer and the second metal level, the first metal layer comprises the lead-in wire figure, the second metal level comprises shading graph, and shading graph is blocked the corresponding zone of part beyond the lead-in wire figure.
In the utility model embodiment, the lead-in wire figure that is positioned at the frame region of array base palte has interception, the shading graph that simultaneously is positioned at the frame region of array base palte also has interception, and shading graph has been blocked the corresponding zone of part beyond the lead-in wire figure, all light paths of the frame region that just can shelter from array base palte so the lead-in wire figure matches with shading graph.Therefore, the light of the frame region of array base palte can be sheltered from by lead-in wire figure and shading graph, even the black matrix of the frame region of color membrane substrates is produced light leak spot by too much etching, light leakage phenomena can not occur yet, thereby make the display effect of liquid crystal display not affected by light leak.
Embodiment 1:
As depicted in figs. 1 and 2, in the present embodiment, the first metal layer is gate metal layer, and the lead-in wire figure is grid lead figure 11; The second metal level is the data wire metal layer, and shading graph 12 is formed by the data wire metal layer; Between gate metal layer and data wire metal layer, it is gate insulation layer 13.In addition, also comprise the parts such as underlay substrate 10, polaroid 14, passivation layer 15 in array base palte.
In the present embodiment, the grid lead figure 11 and the shading graph 12 that are positioned at the frame region of array base palte all have interception, and shading graph 12 has been blocked the corresponding zone of part beyond grid lead figure 11, all light paths of the frame region that just can shelter from array base palte so grid lead figure 11 matches with shading graph 12.Therefore, as shown in Figure 3, from the light of the frame region of backlight 3 directive array base paltes, can be sheltered from by grid lead figure 11 and shading graph 12, even the black matrix of the frame region of color membrane substrates 4 is produced light leak spot 40 by too much etching, light leakage phenomena can not occur, thereby make the display effect of liquid crystal display not affected by light leak yet.
Preferably, gate metal layer and data wire metal layer can be by molybdenum layer, aluminium lamination, molybdenum layer, to be compounded to form successively from top to bottom.Be positioned at aluminium lamination the upper and lower molybdenum layer and can protect aluminium lamination not weather, can also reduce the contact resistance between aluminium lamination and pixel electrode material, make electric conductivity better.
As shown in Figure 2, as a preferred version, the part of shading graph 12 can be comprised of a plurality of less island figures, and has gap 120 between adjacent island figure; Other parts can be the figure that area is larger (not shown whole shading graph in Fig. 2).
Because if the area of shading graph 12 is larger, more overlapping part is perhaps arranged between shading graph 12 and grid lead figure 11, shading graph 12 will form electric field with grid lead figure 11, and affect normal signal, transmit, so part shading graph 12 is made to a plurality of less island figures, to avoid forming electric field between shading graph 12 and grid lead figure 11, guarantee normal signal transmission.In addition, although there is gap 120 between the island figure, diffraction can occur at the place, gap in the light that backlight penetrates, so, as long as gap 120 is enough little, just light leakage phenomena can occur, thereby reach the effect of shading.
Certainly, in other embodiments, also whole shading graph all can be used the island figure to form, to obtain better signal transmission environment.
The utility model embodiment also provides the manufacture method of this array base palte, comprising:
S11: form gate metal layer on underlay substrate, this gate metal layer comprises the grid lead figure of the frame region that is positioned at underlay substrate.
Concrete, underlay substrate can adopt glass substrate usually, on underlay substrate, adopts conventional deposition, composition, etching technics to form gate metal layer and get final product, and gate metal layer is formed with the grid lead figure in the frame region of underlay substrate.
S12: form gate insulation layer on underlay substrate.
On the basis of step S11, use conventional method to deposit one deck insulating material on underlay substrate, as gate insulation layer.
S13: form the data wire metal layer on underlay substrate, the data wire metal layer comprises the shading graph of the frame region that is positioned at underlay substrate, and shading graph is blocked the grid lead figure corresponding zone of part in addition.
Concrete, can adopt the technique identical with step S11, on the basis of step S12, form the data wire metal layer, the data wire metal layer is formed with shading graph in the frame region of underlay substrate, and shading graph is blocked the grid lead figure corresponding zone of part in addition.
Certainly, except above-mentioned three steps, also comprise conventional steps such as forming active layer, pixel electrode, passivation layer, thereby form the array base palte that the utility model embodiment provides.
Embodiment 2:
The present embodiment is substantially the same manner as Example 1, and its difference is: as shown in Figure 4, in the present embodiment, the first metal layer is the data wire metal layer, and the lead-in wire figure is data cable lead wire figure 21; The second metal level is gate metal layer, and shading graph 22 is formed by gate metal layer; It between data wire metal layer and gate metal layer, is gate insulation layer 23.In addition, also comprise the parts such as underlay substrate 20, polaroid 24, passivation layer 25 in array base palte.
In the present embodiment, the data cable lead wire figure 21 and the shading graph 22 that are positioned at the frame region of array base palte all have interception, and shading graph 22 has been blocked the corresponding zone of part beyond data cable lead wire figure 21, all light paths of the frame region that just can shelter from array base palte so data cable lead wire figure 21 matches with shading graph 22.Therefore, as shown in Figure 5, from the light of the frame region of backlight 3 directive array base paltes, can be sheltered from by data cable lead wire figure 21 and shading graph 22, even the black matrix of the frame region of color membrane substrates 4 is produced light leak spot 40 by too much etching, light leakage phenomena can not occur, thereby make the display effect of liquid crystal display not affected by light leak yet.
The utility model embodiment also provides the manufacture method of this array base palte, comprising:
S21: form gate metal layer on underlay substrate, this gate metal layer comprises the shading graph of the frame region that is positioned at underlay substrate.
Concrete, underlay substrate can adopt glass substrate usually, on underlay substrate, adopts conventional deposition, composition, etching technics to form gate metal layer and get final product, and gate metal layer is formed with shading graph in the frame region of underlay substrate.
S22: form gate insulation layer on underlay substrate.
On the basis of step S21, use conventional method to deposit one deck insulating material on underlay substrate, as gate insulation layer.
S23: form the data wire metal layer on underlay substrate, the data wire metal layer comprises the data cable lead wire figure of the frame region that is positioned at underlay substrate, and shading graph is blocked the data cable lead wire figure corresponding zone of part in addition.
Concrete, can adopt the technique identical with step S21, on the basis of step S22, form the data wire metal layer, the data wire metal layer is formed with the data cable lead wire figure in the frame region of underlay substrate, and shading graph is blocked the data cable lead wire figure corresponding zone of part in addition.
Certainly, except above-mentioned three steps, also comprise conventional steps such as forming active layer, pixel electrode, passivation layer, thereby form the array base palte that the utility model embodiment provides.
As a preferred version, above-described embodiment 1 and embodiment 2 can also be combined, namely, above the grid lead figure, utilize the data wire metal layer to form accordingly shading graph; And, above the data cable lead wire figure, utilize gate metal layer to form accordingly shading graph, array base palte is had and better put light leakage effect.
Embodiment 3:
The utility model embodiment provides a kind of display device, comprises the array base palte that color membrane substrates and above-mentioned the utility model embodiment provide.This display device can be any product or parts with Presentation Function such as LCD TV, liquid crystal display, digital album (digital photo frame), mobile phone, panel computer.
The display device provided due to the utility model embodiment has identical technical characterictic with the array base palte that above-mentioned the utility model embodiment provides, so also can produce identical technique effect, solves identical technical matters.
The above; it is only embodiment of the present utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.
Claims (6)
1. an array base palte, frame region at described array base palte comprises the first metal layer and the second metal level, and the insulation course between described the first metal layer and described the second metal level, it is characterized in that: described the first metal layer comprises the lead-in wire figure, described the second metal level comprises shading graph, and described shading graph is blocked the corresponding zone of part beyond described lead-in wire figure.
2. array base palte according to claim 1, it is characterized in that: there is gap in partly or entirely being comprised of a plurality of island figures of described shading graph between adjacent described island figure.
3. array base palte according to claim 1, it is characterized in that: described the first metal layer is gate metal layer, and described lead-in wire figure is the grid lead figure, and described the second metal level is the data wire metal layer.
4. array base palte according to claim 1, it is characterized in that: described the first metal layer is the data wire metal layer, and described lead-in wire figure is the data cable lead wire figure, and described the second metal level is gate metal layer.
5. array base palte according to claim 1, it is characterized in that: described the first metal layer or described the second metal level are compounded to form by molybdenum layer, aluminium lamination, molybdenum layer from top to bottom successively.
6. a display device, is characterized in that: comprise color membrane substrates and the described array base palte of claim 1 to 5 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320494319 CN203365870U (en) | 2013-08-14 | 2013-08-14 | Array substrate and display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320494319 CN203365870U (en) | 2013-08-14 | 2013-08-14 | Array substrate and display device |
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| CN203365870U true CN203365870U (en) | 2013-12-25 |
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| CN 201320494319 Expired - Lifetime CN203365870U (en) | 2013-08-14 | 2013-08-14 | Array substrate and display device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015021712A1 (en) * | 2013-08-14 | 2015-02-19 | 合肥京东方光电科技有限公司 | Array substrate, manufacturing method thereof and display device |
| CN111308814A (en) * | 2020-04-02 | 2020-06-19 | Tcl华星光电技术有限公司 | Array substrate |
-
2013
- 2013-08-14 CN CN 201320494319 patent/CN203365870U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015021712A1 (en) * | 2013-08-14 | 2015-02-19 | 合肥京东方光电科技有限公司 | Array substrate, manufacturing method thereof and display device |
| CN111308814A (en) * | 2020-04-02 | 2020-06-19 | Tcl华星光电技术有限公司 | Array substrate |
| WO2021196290A1 (en) * | 2020-04-02 | 2021-10-07 | Tcl华星光电技术有限公司 | Array substrate |
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Granted publication date: 20131225 |
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| CX01 | Expiry of patent term |