CN101738787B - Liquid crystal display array substrate and manufacture method thereof - Google Patents
Liquid crystal display array substrate and manufacture method thereof Download PDFInfo
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- CN101738787B CN101738787B CN 200810226471 CN200810226471A CN101738787B CN 101738787 B CN101738787 B CN 101738787B CN 200810226471 CN200810226471 CN 200810226471 CN 200810226471 A CN200810226471 A CN 200810226471A CN 101738787 B CN101738787 B CN 101738787B
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Abstract
The invention discloses a liquid crystal display array substrate and a manufacture method thereof, wherein the liquid crystal display array substrate comprises a display region and a frame sealing gel region arranged outside the display region. An array structure graph is formed in the display region, the frame sealing gel region is used for coating frame sealing gel, and a preventing graph used for preventing the frame sealing gel from invading the display region is formed in the frame sealing gel region. By arranging the preventing graph in the frame sealing gel region, the liquid crystal display array substrate can prevent the frame sealing gel from invading the display region, reduce pollution of the frame sealing gel to liquid crystals and enhance the yield of liquid crystal display.
Description
Technical field
The present invention relates to LCD Technology, relate in particular to a kind of LCD (Liquid Crystal Display) array substrate and manufacture method thereof.
Background technology
At present, in the liquid crystal display manufacture craft, usually adopt liquid crystal drip-injection (One Drip Filing is called for short ODF) technology pair array substrate and color membrane substrates to carry out box technique.In to box technique, sealed plastic box is coated on array base palte or the color membrane substrates in advance, be illustrated in figure 1 as the sealed plastic box schematic diagram that is coated in the prior art on the array base palte, among Fig. 1, thicker black line 11 is the sealed plastic box zone, many parallel horizontal lines are the grid line 12 on the array base palte, and many parallel perpendicular line are the data line 13 on the array base palte.
In the manufacture craft of liquid crystal display, adopt the ODF technology that liquid crystal is instiled on array base palte with special pattern, that then carries out array base palte and color membrane substrates forms panel to box technique.Afterwards, through ultraviolet or high temperature curing process sealed plastic box is cured.
In the ODF of prior art process, before sealed plastic box was solidified, because sealed plastic box is in liquid state, the easy contact with liquid crystal made liquid crystal contaminated, thereby can cause the generation of the unfavorable conditions such as image retention, reduces the yield rate of liquid crystal display.
Summary of the invention
The object of the invention is to for problems of the prior art, a kind of LCD (Liquid Crystal Display) array substrate and manufacture method thereof are provided, can reduce sealed plastic box to the pollution of liquid crystal, improve the yield rate of liquid crystal display.
To achieve these goals, the invention provides a kind of LCD (Liquid Crystal Display) array substrate, the sealed plastic box that comprises the viewing area and be arranged on outside the described viewing area is regional, described viewing area is formed with the array structure figure, described sealed plastic box zone is used for the coating sealed plastic box, is formed with in the described sealed plastic box zone for the prevention figure that stops sealed plastic box to be invaded to described viewing area.
Described prevention figure comprises at least: along the strip bulge that first direction extends, described first direction is to arrive clockwise the angle of grid line direction more than or equal to 0 degree and less than 90 directions of spending.
Described prevention figure can also also comprise the strip bulge that extends along second direction, and described second direction is the direction vertical with described first direction;
The described strip bulge that extends along first direction is near described viewing area, and the described strip bulge that extends along second direction is away from described viewing area.
Described prevention figure can also comprise along the strip bulge of grid line direction extension and the strip bulge that extends along the data line direction except comprising the strip bulge that extends along first direction.
To achieve these goals, the present invention also provides a kind of LCD (Liquid Crystal Display) array substrate manufacture method, comprise the step that forms array structure figure in the viewing area, also be included in the process that forms array structure figure in the viewing area, in the sealed plastic box zone, be formed for stoping sealed plastic box to the step of the prevention figure of described viewing area intrusion.
Particularly, can be in forming the viewing area in each time composition technique of array structure figure, composition technique or wherein at least twice composition technique is formed for the prevention figure that stops sealed plastic box to be invaded to described viewing area in the sealed plastic box zone therein; For all being formed for stoping sealed plastic box to the situation of the prevention figure of described viewing area intrusion in the sealed plastic box zone at least twice composition technique therein, on the employed mask plate, the shape of prevention figure is all identical with the position in each time composition technique.
LCD (Liquid Crystal Display) array substrate provided by the invention and manufacture method thereof, by the prevention figure that can stop sealed plastic box to be invaded to the viewing area at the sealed plastic box region division, like this, can avoid uncured liquid sealed plastic box before to invade the viewing area and pollute liquid crystal, thereby can improve the finished LCD products rate.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Figure 1 shows that the sealed plastic box schematic diagram that is coated in the prior art on the array base palte;
Figure 2 shows that the liquid flow schematic diagram on the striated surface that relates among the present invention;
Figure 3 shows that LCD (Liquid Crystal Display) array substrate the first example structure schematic diagram of the present invention;
Fig. 4 a is depicted as the sectional view that stops figure among LCD (Liquid Crystal Display) array substrate manufacture method the first embodiment of the present invention the first time after the composition technique;
Fig. 4 b is depicted as the sectional view that stops figure among LCD (Liquid Crystal Display) array substrate manufacture method the first embodiment of the present invention the second time after the composition technique;
Fig. 4 c is depicted as among LCD (Liquid Crystal Display) array substrate manufacture method the first embodiment of the present invention the sectional view that stops figure after the composition technique for the third time;
Fig. 4 d is depicted as among LCD (Liquid Crystal Display) array substrate manufacture method the first embodiment of the present invention the sectional view that stops figure after the 4th composition technique;
Fig. 4 e is depicted as among LCD (Liquid Crystal Display) array substrate manufacture method the first embodiment of the present invention the sectional view that stops figure after the 5th composition technique;
Figure 5 shows that the sectional view of the prevention figure that forms among LCD (Liquid Crystal Display) array substrate manufacture method the second embodiment of the present invention;
Figure 6 shows that the sectional view of the prevention figure that forms among LCD (Liquid Crystal Display) array substrate manufacture method the 3rd embodiment of the present invention;
Figure 7 shows that LCD (Liquid Crystal Display) array substrate the second example structure schematic diagram of the present invention;
Figure 8 shows that LCD (Liquid Crystal Display) array substrate the 3rd example structure schematic diagram of the present invention;
Figure 9 shows that LCD (Liquid Crystal Display) array substrate the 4th example structure schematic diagram of the present invention;
Figure 10 shows that LCD (Liquid Crystal Display) array substrate the 5th example structure schematic diagram of the present invention;
Figure 11 shows that LCD (Liquid Crystal Display) array substrate the 6th example structure schematic diagram of the present invention.
Embodiment
When the different body surface of liquid flowed, because the friction force of body surface diverse location or drag size are different, liquid trended towards flowing along friction force or the less direction of resistance usually.Be illustrated in figure 2 as the liquid flow schematic diagram on the striated surface that relates among the present invention, among Fig. 2, when liquid drips on one group of parallel horizontal stripe 31, liquid is because to be parallel on the direction of horizontal stripe resistance less, and perpendicular on the direction of horizontal stripe since striped exist resistance larger, so liquid trends towards to the horizontal direction expansion, can flow gradually forms an ellipse.
The principle that the present invention is mainly flowed on the surface of different graphic based on aforesaid liquid, the sealed plastic box zone forms different prevention figures on LCD (Liquid Crystal Display) array substrate, and these stop figure to be used for stoping liquid sealed plastic box to invade to the viewing area on the LCD (Liquid Crystal Display) array substrate.
For LCD (Liquid Crystal Display) array substrate, usually there is a grid line that is used to that is connected with grid line that the first wiring board that drives signal is provided, there is a data line that is used to that is connected with data line that the second wiring board that drives signal is provided.When liquid crystal display shows, need to guarantee between data line and the grid line synchronously, for example when opening the first row grid line, guarantee that each pixel of the first row shows respective image, when opening the second row grid line, guarantee that each pixel of the second row shows respective image, grid line is opened with the image demonstration should keep synchronous.So between the first wiring board and the second wiring board, also need to have signal wire, be used for providing the synchronizing signal between the first wiring board and the second wiring board.Perhaps, the signal wire between the first wiring board and the second wiring board also is used to the first wiring board that input signal is provided, and the driving circuit that produces input signal can arrange at the second wiring board.Signal wire between the first wiring board and the second wiring board is arranged on the upper left corner of array base palte usually.
In addition, also have many public electrode wires at array base palte, public electrode wire be arranged in parallel in array base palte viewing area and grid line, and at the edge of array base palte, public electrode wire is arranged on other several corners except an angle that is provided with signal wire usually.
Like this, several corners of array base palte just are provided with many signal line and public electrode wire.Signal wire and sealed plastic box zone understand that some is overlapping.
LCD (Liquid Crystal Display) array substrate provided by the invention is invaded liquid crystal in order to stop liquid sealed plastic box, causes liquid crystal pollution, and the sealed plastic box region division on array base palte has the prevention figure.
Be illustrated in figure 3 as LCD (Liquid Crystal Display) array substrate the first example structure schematic diagram of the present invention, Fig. 3 has schematically illustrated the figure on four angles in sealed plastic box zone, zone between inner edge 21 and the outer edge 22 is the zone of actual coating sealed plastic box, dash area is respectively signal wire 14 and public electrode wire 15, white space on the public electrode wire 15 is the zone of the coating sealed plastic box of reservation, the zone of the coating sealed plastic box of usually reserving can be coated with greater than reality the zone of sealed plastic box, and the zone that among the application reality is coated with sealed plastic box is called the sealed plastic box zone.In the first embodiment, be formed with the strip bulge 41 that extends along first direction on the sealed plastic box zone angle in the LCD (Liquid Crystal Display) array substrate, this first direction is to arrive clockwise the angle of grid line direction more than or equal to 0 degree and less than 90 directions of spending, wherein the grid line direction namely is the arragement direction of grid line on LCD (Liquid Crystal Display) array substrate, and the grid line direction is horizontal direction usually.The shape of this strip bulge 41 can be straight line, also can be curve, and the quantity of strip bulge 41 can be a plurality of.When a plurality of strip bulge 41 was set, these strip bulges 41 looked like one group of parallel lines.Because there is overlapping part in the sealed plastic box zone with signal wire 14, so strip bulge 41 is formed on the signal wire 14.In order not cause signal wire 14 to open circuit, strip bulge 41 need to be arranged to the figure of Openworks shape shown in Figure 3.Simultaneously, be arranged to strip bulge 41 as shown in Figure 3, can be in the technique of solidifying sealed plastic box, see through light by the transparent part between the strip bulge 41 and solidify sealed plastic box, and can adjust the resistance of signal wire (because the resistance of signal wire is relevant with the area of signal wire by the size that groove between the strip bulge 41 (transparent part) is set, the area of signal wire is larger, and resistance is less).
On the basis of the first embodiment, can also on four angles in sealed plastic box zone, one group of strip bulge 41 be set all, can stop like this four sealed plastic boxs on the angle to be invaded to the viewing area.The coating sealed plastic box region division of the reservation on the public electrode wire 15 has many fine rules 151 to be used for guaranteeing that public electrode wire does not open circuit, and the strip bulge 41 on other three angles can independently be arranged on the sealed plastic box zone, and need not to be connected with public electrode wire.
Certainly, also strip bulge 41 can be connected with public electrode wire, concrete condition need to be determined by the resistance sizes of public electrode wire.
" projection " is the part that exceeds for the substrate in the LCD (Liquid Crystal Display) array substrate, can be regarded as groove between each projection, and the width of the groove between each projection can be 2 microns to 15 microns, and each protruding width can be 2 microns to 10 microns.
Need to prove, except the sealed plastic box zone, in other the sealed plastic box zone of reservation strip bulge can be set also and can more effectively limit liquid sealed plastic box like this, be unlikely to make it to invade the viewing area.
The below introduces the manufacture method of LCD (Liquid Crystal Display) array substrate shown in Figure 3.
The manufacture method of LCD (Liquid Crystal Display) array substrate provided by the invention, be to form in the prior art in the process of array structure figure of liquid crystal display viewing area, be formed for the prevention figure that stops sealed plastic box to be invaded to the viewing area of LCD (Liquid Crystal Display) array substrate in the sealed plastic box zone.Can be in forming the viewing area in each time composition technique of array structure figure, composition technique or wherein at least twice composition technique is formed for stoping sealed plastic box to the prevention figure of described viewing area intrusion in the sealed plastic box zone therein; For all being formed for stoping sealed plastic box to the situation of the prevention figure of viewing area intrusion in the sealed plastic box zone at least twice composition technique therein, on the employed mask plate, the shape of prevention figure is all identical with the position in each time composition technique.
Particularly, can when forming the gate electrode of thin film transistor (TFT) (Thin Film Transistor is called for short TFT), form strip bulge in the sealed plastic box zone; Also can in the active layer that forms TFT, form strip bulge in the sealed plastic box zone; Perhaps in the source electrode or drain electrode that form TFT, form strip bulge in the sealed plastic box zone.Perhaps, also can all in identical position in each time composition technique of the gate electrode, active layer and the source-drain electrode that form TFT, form the identical prevention figure of pattern, so that the thickness of strip bulge is approximately 100nm to 400nm.
The below illustrates how to form in the process that forms the LCD (Liquid Crystal Display) array structure graph to stop figure take five composition techniques as example.
Composition technique for the first time: at first at array base palte deposition layer of metal film, the material of this metal film can be Al, Mo, Cu etc., also can be alloy material; At metallic film coating one deck photoresist, adopt the first mask plate by composition techniques such as exposure imaging and etchings afterwards, form gate electrode, grid line, public electrode wire and prevention figure.Be depicted as the sectional view that stops figure among LCD (Liquid Crystal Display) array substrate manufacture method the first embodiment of the present invention the first time after the composition technique such as Fig. 4 a, figure 411 forms with gate electrode, grid line and public electrode wire in the composition technique for the first time simultaneously, and figure 410 is substrates.
The second composition technique: on the substrate after the first composition technique, deposit successively grid insulating film and amorphous silicon semiconductor film, afterwards at amorphous silicon semiconductor film coating one deck photoresist, adopt the second mask plate by composition techniques such as exposure, development and etchings, form gate insulation layer, stop figure and active layer.Be depicted as the sectional view that stops figure among LCD (Liquid Crystal Display) array substrate manufacture method the first embodiment of the present invention the second time after the composition technique such as Fig. 4 b, figure 412 is gate insulation layers, and figure 413 formed with active layer in the composition technique simultaneously in the second time.
The 3rd composition technique: the substrate deposition layer of metal film after the second composition technique, afterwards at metallic film coating one deck photoresist, adopt the 3rd mask plate by composition techniques such as exposure, development and etchings, form source electrode, drain electrode, prevention figure and data line.Be depicted as among LCD (Liquid Crystal Display) array substrate manufacture method the first embodiment of the present invention the sectional view that stops figure after the composition technique for the third time such as Fig. 4 c, figure 414 is forming with source-drain electrode in the composition technique for the third time simultaneously.
The 4th composition technique: the substrate deposition one deck passivation layer film after the 3rd composition technique, afterwards at passivation layer film coating one deck photoresist, adopt the 4th mask plate by composition techniques such as exposure, development and etchings, form passivation layer via hole and stop figure.Be depicted as among LCD (Liquid Crystal Display) array substrate manufacture method the first embodiment of the present invention the sectional view that stops figure after the 4th composition technique such as Fig. 4 d, figure 415 forms simultaneously with passivation layer via hole in the 4th composition technique.
The 5th composition technique: the substrate deposition layer of transparent pixel electrode film after the 4th composition technique, afterwards at transparent pixels electrode film coating one deck photoresist, adopt the 5th mask plate by composition techniques such as exposure, development and etchings, form pixel electrode and stop figure.Be depicted as among LCD (Liquid Crystal Display) array substrate manufacture method the first embodiment of the present invention the sectional view that stops figure after the 5th composition technique such as Fig. 4 e, figure 416 forms simultaneously with pixel electrode in the 5th composition technique.If strip bulge adopts the method that LCD (Liquid Crystal Display) array substrate manufacture method the first embodiment of the present invention provides among Fig. 3, so among Fig. 3 A-A to sectional view namely shown in Fig. 4 e.
By above method, all forming the prevention figure in the composition technique each time, can increase the thickness that stops figure.Need to prove, on the used mask plate, it all is identical stoping shape, the position of figure in above each time composition technique, can guarantee that so each prevention figure that forms all in identical position, keeps identical shape.Thereby reach the purpose that increases figure thickness.
In addition, also can be only in certain technique in five composition technique, form and stop figure.For example, can form in the first time that forms gate electrode the prevention figure in the composition technique.In first time composition technique, at first at array base palte deposition layer of metal film, at metallic film coating one deck photoresist, adopt the first mask plate by composition techniques such as exposure, development and etchings afterwards, form the pattern of gate electrode, grid line, public electrode wire and prevention figure.When form stoping in this way figure, except the first time composition technique step unlike the prior art, all the other steps are all same as the prior art.Be illustrated in figure 5 as the sectional view of the prevention figure that forms among LCD (Liquid Crystal Display) array substrate manufacture method the second embodiment of the present invention.
Perhaps, can in for the third time composition technique that forms source-drain electrode, form the prevention figure.In composition technique for the third time, substrate deposition layer of metal film after the second composition technique, at metallic film coating one deck photoresist, adopt the 3rd mask plate by composition techniques such as exposure, development and etchings afterwards, form source electrode, drain electrode, prevention figure and data line.When form stoping in this way figure, except the first time composition technique step unlike the prior art, all the other steps are all same as the prior art.Be illustrated in figure 6 as the sectional view of the prevention figure that forms among LCD (Liquid Crystal Display) array substrate manufacture method three embodiment of the present invention.
Also can form in twice composition technique in five composition technique and stop figure, other composition techniques are same as the prior art.Concrete forming process and above-mentioned the first embodiment and the second embodiment are similar, repeat no more herein.Also can by composition technique in four composition technique or repeatedly composition technique form and stop figure.
Figure 7 shows that LCD (Liquid Crystal Display) array substrate the second example structure schematic diagram of the present invention, this embodiment and difference embodiment illustrated in fig. 3 are: among Fig. 7, be provided with the strip bulge 41 that extends along first direction at four angles in sealed plastic box zone, and the strip bulge 41 that extends along first direction only is set at an angle in sealed plastic box zone among Fig. 3.
Figure 8 shows that LCD (Liquid Crystal Display) array substrate the 3rd example structure schematic diagram of the present invention, this embodiment and difference embodiment illustrated in fig. 3 are: among Fig. 8, on the angle in sealed plastic box zone except being provided with along the strip bulge 41 that first direction extends, also be provided with the strip bulge 42 that extends along second direction, second direction is vertical with first direction.Strip bulge 41 and strip bulge 42 form together and stop figure among this embodiment.
Among the embodiment shown in Figure 8, the strip bulge 41 that extends along first direction is set in the position near the viewing area, can stop so liquid sealed plastic box to be invaded to the viewing area, the strip bulge 42 that extends along second direction is set in the position away from the viewing area, can be so that liquid sealed plastic box flows towards the direction away from the viewing area.The combination that strip bulge by this different directions forms stops figure, can guide it to flow towards the direction away from the viewing area when stoping liquid sealed plastic box to be invaded to the viewing area.
Figure 9 shows that LCD (Liquid Crystal Display) array substrate the 4th example structure schematic diagram of the present invention, this embodiment and difference embodiment illustrated in fig. 8 are: among Fig. 9, be provided with along the strip bulge 41 of first direction extension and the strip bulge 42 that extends along second direction at four angles in sealed plastic box zone, and only arrange at an angle in sealed plastic box zone among Fig. 8 along the strip bulge 41 of first direction extension and the strip bulge 42 that extends along second direction.
Figure 10 shows that LCD (Liquid Crystal Display) array substrate the 5th example structure schematic diagram of the present invention, this embodiment and difference embodiment illustrated in fig. 3 are: among Figure 10, on the angle in sealed plastic box zone except being provided with along the strip bulge 41 that first direction extends, also be provided with along the strip bulge 43 of grid line direction extension and the strip bulge 44 that extends along the data line direction, wherein the grid line direction setting party that refers to grid line on the array base palte to, be generally horizontal direction; The setting party that the data line direction refers to data line on the array base palte to, be generally vertical direction.Among this embodiment, strip bulge 41,43 and 44 forms together and stops figure.
Figure 11 shows that LCD (Liquid Crystal Display) array substrate the 6th example structure schematic diagram of the present invention, this embodiment and difference embodiment illustrated in fig. 10 are: among Fig. 9, the strip bulge 43 that is provided with the strip bulge 41 that extends along first direction at four angles in sealed plastic box zone, extends along the grid line direction and the strip bulge 44 that extends along the data line direction, and only be provided with such figure at an angle in sealed plastic box zone among Figure 10.
On the basis of embodiment shown in Figure 11, a kind of preferred embodiment can be, except four angles in the sealed plastic box zone arrange strip bulge 41, the 43 and 44 prevention figures that form, can also be in the sealed plastic box zone two strip bulges 43 that the horizontal bar region division parallel with grid line is parallel with grid line, two vertical strip region division with data line parallel strip bulges 44 parallel with data line in the sealed plastic box zone can guarantee that so whole sealed plastic box zone has the figure of prevention to stop sealed plastic box to be invaded to the viewing area.
For LCD (Liquid Crystal Display) array substrate the first embodiment to the six embodiment, strip bulge wherein can be discontinuous, and the figure that also can increase other shapes except strip bulge effectively stops sealed plastic box to flow to the viewing area.
LCD (Liquid Crystal Display) array substrate provided by the invention and manufacture method thereof, when forming TFT, can stop sealed plastic box to the prevention figure of viewing area intrusion in sealed plastic box zone formation, so that the liquid sealed plastic box before uncured is not easy to invade the zone of dispenser method, avoid the pollution of sealed plastic box to liquid crystal, can improve the yield rate of liquid crystal display.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (6)
1. LCD (Liquid Crystal Display) array substrate, the sealed plastic box that comprises the viewing area and be arranged on outside the described viewing area is regional, described viewing area is formed with the array structure figure, described sealed plastic box zone is used for the coating sealed plastic box, it is characterized in that, be formed with in the described sealed plastic box zone for the prevention figure that stops sealed plastic box to be invaded to described viewing area; Described prevention figure is the strip bulge that is arranged at least one bight in described sealed plastic box zone;
Described prevention figure comprises at least: along the strip bulge that first direction extends, described first direction is to arrive clockwise the angle of grid line direction more than or equal to 0 degree and less than 90 directions of spending;
Also comprise the strip bulge that extends along second direction, described second direction is the direction vertical with described first direction; The described strip bulge that extends along first direction is near described viewing area, and the described strip bulge that extends along second direction is away from described viewing area.
2. LCD (Liquid Crystal Display) array substrate according to claim 1 is characterized in that, the thickness of described strip bulge is that 100nm is to 400nm.
3. LCD (Liquid Crystal Display) array substrate manufacture method, comprise the step that forms array structure figure in the viewing area, it is characterized in that, also be included in the process that forms array structure figure in the viewing area, in the sealed plastic box zone, be formed for stoping sealed plastic box to the step of the prevention figure of described viewing area intrusion; Described prevention figure is the strip bulge that is arranged at least one bight in described sealed plastic box zone;
Described prevention figure comprises at least: along the strip bulge that first direction extends, described first direction is to arrive clockwise the angle of grid line direction more than or equal to 0 degree and less than 90 directions of spending;
Also comprise the strip bulge that extends along second direction, described second direction is the direction vertical with described first direction; The described strip bulge that extends along first direction is near described viewing area, and the described strip bulge that extends along second direction is away from described viewing area.
4. LCD (Liquid Crystal Display) array substrate manufacture method according to claim 3, it is characterized in that, in the sealed plastic box zone, be formed for stoping the step of the prevention figure that sealed plastic box invades to described viewing area to comprise: in forming the viewing area in each time composition technique of array structure figure, composition technique or wherein at least twice composition technique is formed for the prevention figure that stops sealed plastic box to be invaded to described viewing area in described sealed plastic box zone therein;
For all in described sealed plastic box zone, being formed for stoping sealed plastic box to the situation of the prevention figure of described viewing area intrusion at least twice composition technique therein, on the employed mask plate, stop the shape of figure all identical with the position in each time composition technique.
5. LCD (Liquid Crystal Display) array substrate manufacture method according to claim 4, it is characterized in that, in the described therein at least twice composition technique, in the sealed plastic box zone, be formed for stoping sealed plastic box specifically to comprise to the step of the prevention figure of described viewing area intrusion:
Step 11, when forming the gate electrode figure of TFT, form described prevention figure in the sealed plastic box zone;
Step 12, when forming active layer pattern, form described prevention figure.
6. LCD (Liquid Crystal Display) array substrate manufacture method according to claim 5 is characterized in that, also comprises:
Step 13, when forming the source-drain electrode figure, form described prevention figure.
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| CN102402073A (en) * | 2011-12-05 | 2012-04-04 | 深圳市华星光电技术有限公司 | Liquid crystal panel, liquid crystal display device and manufacturing method for liquid crystal display device |
| US8704983B2 (en) | 2011-12-05 | 2014-04-22 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | LCD panel, LCD device, and manufacturing method thereof |
| CN103869526B (en) * | 2014-03-11 | 2017-01-18 | 京东方科技集团股份有限公司 | Display substrate, manufacturing method thereof, display panel and display device |
| CN111338144B (en) * | 2020-04-14 | 2023-08-18 | 京东方科技集团股份有限公司 | Display panel and display device |
| CN113568206B (en) * | 2020-08-21 | 2022-12-20 | 友达光电股份有限公司 | Display device and assembling method thereof |
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| CN1834734A (en) * | 2005-03-18 | 2006-09-20 | 群康科技(深圳)有限公司 | Substrate and LCD device using the same |
| CN1971384A (en) * | 2005-11-02 | 2007-05-30 | 索尼株式会社 | Display and method of manufacturing display |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1834734A (en) * | 2005-03-18 | 2006-09-20 | 群康科技(深圳)有限公司 | Substrate and LCD device using the same |
| CN1971384A (en) * | 2005-11-02 | 2007-05-30 | 索尼株式会社 | Display and method of manufacturing display |
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