CN202720426U - Liquid crystal display (LCD) substrate and LCD device - Google Patents
Liquid crystal display (LCD) substrate and LCD device Download PDFInfo
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- CN202720426U CN202720426U CN 201220398147 CN201220398147U CN202720426U CN 202720426 U CN202720426 U CN 202720426U CN 201220398147 CN201220398147 CN 201220398147 CN 201220398147 U CN201220398147 U CN 201220398147U CN 202720426 U CN202720426 U CN 202720426U
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Abstract
The utility model discloses a liquid crystal display (LCD) substrate and an LCD device, relates to the field of LCDs, solves the problems that in the prior art, due to the fact that an end portion of a separation pad arranged on a color film substrate contacts with the highest position of an array substrate, position shift is easy to happen, and light-leaking is caused and the like. The LCD substrate comprises a thin film transistor (TFT) array substrate and the color film substrate, the TFT array substrate and the color film substrate are formed in a box-to-box mode, wherein the TFT array substrate comprises a first substrate and a grid scanning line formed on the first substrate, the color film substrate comprises a second substrate and a black matrix pattern formed on the second substrate, and the columnar separation pad is formed on the grid scanning line of the TFT array substrate, after the TFT array substrate and the color film substrate are formed in a box-to-box mode, the top end of the columnar separation pad contacts with the color film substrate and corresponds to the black matrix pattern.
Description
Technical field
The utility model relates to field of liquid crystal display, relates in particular to a kind of liquid crystal display substrate and liquid crystal indicator.
Background technology
In display technique, TFT-LCD (Thin Film Transistor Liquid Crystal Display, Thin Film Transistor-LCD) has the characteristics such as little, low in energy consumption, the radiationless and manufacturing cost of volume is relatively low, therefore occupied leading position in the monitor market.
The agent structure of TFT-LCD is also injected therein liquid crystal by array base palte and color membrane substrates to box and is formed.Be formed with thin film transistor (TFT) and pixel electrode that grid line, data line, public electrode wire and matrix-style are arranged on the array base palte, grid line and data line have defined pixel electrode area, and thin film transistor (TFT) and pixel electrode are formed in each pixel region.Color membrane substrates (Color Filter), on be formed with black matrix, color resin and public electrode, color resin comprises redness, blueness and green three chromoresins.In addition, on the distance of one at interval or several color resins, evenly be provided with cylindrical spacer, cylindrical spacer is used for keeping the distance between array base palte behind the box and the color membrane substrates.
In the prior art, TFT-LCD is arranged on cylindrical spacer on the color membrane substrates usually, and its position is corresponding with the thin film transistor (TFT) position.Behind box, the end of cylindrical spacer contacts with array base palte, and contact position is in the extreme higher position of array base palte, when array base palte is squeezed or during punching press, cylindrical spacer can be taken advantage of a situation and is slipped to lower position, and is difficult to return to original position, therefore, prior art is easy to cause the array base palte dislocation, and then causes the display defects such as light leak, contact watermark.
The utility model content
Embodiment of the present utility model provides a kind of liquid crystal display substrate and liquid crystal indicator, by chock insulator matter is arranged on the array base palte, solved in the prior art, because the end that is arranged at the chock insulator matter on the color membrane substrates contacts with the extreme higher position of array base palte, and easily produce position movement, and then cause the problem such as light leak.
For achieving the above object, embodiment of the present utility model adopts following technical scheme:
A kind of liquid crystal display substrate comprises thin film transistor (TFT) tft array substrate and color membrane substrates to the box moulding; Wherein, described tft array substrate comprises first substrate and is formed on controlling grid scan line on the described first substrate, described color membrane substrates comprises second substrate and the black matrix" figure that is formed on the described second substrate, be formed with cylindrical spacer on the controlling grid scan line of described tft array substrate, so that described tft array substrate and described color membrane substrates to box after, the top of described cylindrical spacer contacts with described color membrane substrates, and corresponding to described black matrix" figure.
Be formed with insulation course on the controlling grid scan line of described tft array substrate, described insulation course is enclosed in around the described cylindrical spacer.
The xsect of the cylindrical spacer of described tft array substrate is rectangle.
The xsect of the cylindrical spacer of described tft array substrate is trapezoidal, and the width of the close described tft array substrate side of the xsect of described cylindrical spacer is greater than the width near colored substrate-side.
The end shape of described cylindrical spacer and/or the bottom of described cylindrical spacer are shaped as circle, ellipse or polygon.
Described color membrane substrates also is provided with electrode layer or protective seam; and be provided with groove on described electrode layer or the protective seam; after described tft array substrate and described color membrane substrates arranged box, the top of the cylindrical spacer of described tft array substrate was positioned in the described groove.
Described color membrane substrates also is provided with electrode layer or protective seam; and be provided with via hole on described electrode layer or the protective seam; after described tft array substrate and described color membrane substrates arrange box; the top of the cylindrical spacer of described tft array substrate is positioned in the described via hole, and contacts with described black matrix.
A kind of liquid crystal indicator comprises: liquid crystal display substrate, be filled in the liquid crystal in the described liquid crystal display substrate, and for this liquid crystal display substrate provides backlight backlight, described liquid crystal display substrate is above-mentioned each described liquid crystal display substrate.
The utility model provides a kind of liquid crystal display substrate and liquid crystal indicator, by chock insulator matter being arranged on the controlling grid scan line of tft array substrate, after tft array substrate and color membrane substrates are to box, the top of cylindrical spacer contacts with color membrane substrates, and the black matrix" figure corresponding to color membrane substrates, reduce the light leakage phenomena that causes because of the cylindrical spacer position movement, improved the quality of liquid crystal display substrate.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is a kind of liquid crystal display substrate structural representation of the present embodiment;
Fig. 2 is a kind of tft array substrate structural representation of the present embodiment;
Fig. 3 is the another kind of tft array substrate structural representation of the present embodiment;
Fig. 4 is the another kind of liquid crystal display substrate structural representation of the present embodiment;
Fig. 5 is the another kind of liquid crystal display substrate structural representation of the present embodiment;
Fig. 6 is a kind of tft array substrate manufacturing flow chart of the present embodiment;
Fig. 7 is a kind of color membrane substrates manufacturing flow chart of the present embodiment.
Reference numeral:
The 1-TFT array base palte, 2-color membrane substrates, 11-first substrate, 12-controlling grid scan line, 13-cylindrical spacer, 14-insulation course, 21-second substrate, 22-black matrix" figure, 23-electrode layer or protective seam, 24-groove, 25-via hole.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model embodiment provides a kind of liquid crystal display substrate, shown in Fig. 1, comprising: to thin film transistor (TFT) tft array substrate 1 and the color membrane substrates 2 of box moulding; Wherein, described tft array substrate 1 comprises first substrate 11 and is formed on controlling grid scan line 12 on the described first substrate, described color membrane substrates 2 comprises second substrate 21 and the black matrix" figure 22 that is formed on the described second substrate, it is characterized in that, be formed with cylindrical spacer 13 on the controlling grid scan line 12 of described tft array substrate 1, so that behind described tft array substrate 1 and 2 pairs of boxes of described color membrane substrates, the top of described cylindrical spacer 13 contacts with described color membrane substrates 2, and corresponding to described black matrix" figure 22.
Need to prove, present liquid crystal display substrate is divided into two kinds according to type of drive: a kind ofly driven by vertical electric field, TN (Twist Nematic for example, twisted-nematic) type liquid crystal display substrate, the color membrane substrates of this liquid crystal display substrate also comprises electrode layer 23 (as public electrode), and this moment, the top of above-mentioned cylindrical spacer 13 contacted with the electrode layer 23 of described color membrane substrates 2; Another kind is driven by horizontal component of electric field; FFS (Fringe Field Switching for example; fringe field switching) type liquid crystal display substrate; the public electrode of this liquid crystal display substrate and pixel electrode all are arranged on the tft array substrate; electrode layer is not set on its color membrane substrates; but be provided with protective seam 23, this moment, the top of above-mentioned cylindrical spacer 13 contacted with the protective seam 23 of color membrane substrates 2.
Wherein, controlling grid scan line 12 is by at first substrate 11 deposition layer of metal layers, then forms through composition technique.Cylindrical spacer 13 is by depositing resin bed at tft array substrate 1, then pass through composition technique, being formed on the controlling grid scan line 12.
Described cylindrical spacer 13 is used for keeping the distance between tft array substrate behind the box 1 and the color membrane substrates 2.The cylindrical spacer 13 of the tft array substrate 1 that the utility model provides is formed on the controlling grid scan line 12; behind described tft array substrate 1 and 2 pairs of boxes of color membrane substrates; the top of described cylindrical spacer 13 contacts with described electrode layer or the protective seam 23 of described color membrane substrates 2, and corresponding to described black matrix" figure 22.In prior art, because the end that is arranged at the chock insulator matter on the color membrane substrates contacts with the extreme higher position of array base palte, to compare and easily produce position movement, the cylindrical spacer 13 in the utility model example is being squeezed or during the external force such as impact, be difficult for mobile, better stable.
Need to prove, the density of the cylindrical spacer 13 of the described tft array substrate 1 that the utility model embodiment provides, can adjust according to actual needs, exemplary, in each pixel cell, can corresponding cylindrical spacer, wherein, the density of cylindrical spacer refers to the number of unit area cylindrical chock insulator matter.
As shown in Figure 2, Fig. 2 is that Fig. 1 is along the sectional view of the tft array substrate of A-A, preferably, be formed with insulation course 14 on the controlling grid scan line 12 of the described tft array substrate 1 that the utility model embodiment provides, described insulation course 14 is enclosed in around the described cylindrical spacer 13.Concrete, at first, depositing insulating layer on substrate 1, then remove the insulation course on cylindrical spacer 13 tops by etching technics, at this moment, cylindrical spacer 13 is embedded in the insulation course 14, so that 14 pairs of cylindrical spacers 13 of insulation course play fixation, improved the stability of liquid crystal display substrate.
Optionally, the xsect of the cylindrical spacer 13 of described tft array substrate 1 can be rectangle, the xsect that is cylindrical spacer 13 equals width near colored substrate-side near the width of described tft array substrate side, need to prove, the bottom diameter of described cylindrical spacer 13 is less than the width of controlling grid scan line 12.
As shown in Figure 3, Fig. 3 is that Fig. 1 is along the sectional view of the tft array substrate of A-A, optionally, the xsect of the cylindrical spacer 13 of described tft array substrate 1 can be for trapezoidal, and the width of the close described tft array substrate side of the xsect of described cylindrical spacer is greater than the width near colored substrate-side, need to prove, the bottom diameter of described cylindrical spacer 13 is less than the width of controlling grid scan line 12.
In addition, the bottom of the end shape of described cylindrical spacer 13 and/or described cylindrical spacer is shaped as circle, ellipse or polygon etc.Need to prove, though the top of described cylindrical spacer 13 and bottom be shaped as circle, ellipse or polygon, the diameter of described cylindrical spacer 13 bottoms can not surpass the width of gated sweep 12 lines, and described cylindrical spacer 13 top end diameter can not surpass the width of black matrix" 22.
In order more to stablize the position of cylindrical spacer, on above-mentioned any liquid crystal display substrate basis, further can do following improvement to the structure of color membrane substrates:
Optionally; as shown in Figure 4; described color membrane substrates 2 comprises second substrate 21 and the black matrix" figure 22 that is formed on the described second substrate 21; and be formed at electrode layer or protective seam 23 on the described black matrix" figure 22; be provided with groove 24 on the electrode layer of described color membrane substrates 2 or the protective seam 23; after described tft array substrate 1 arranged with 2 pairs of boxes of described color membrane substrates, the top of the cylindrical spacer 13 of described tft array substrate 1 was positioned in the described groove 24.
Optionally; as shown in Figure 5; described color membrane substrates 2 comprises second substrate 21 and the black matrix" figure 22 that is formed on the described second substrate 21; and be formed at electrode layer or protective seam 23 on the described black matrix" figure 22; be provided with via hole 25 on described electrode layer or the protective seam 23; after described tft array substrate 1 arranged with 2 pairs of boxes of described color membrane substrates, the top of the cylindrical spacer 13 of described tft array substrate 1 was positioned in the described via hole 25, and contacts 22 with described black matrix.
Need to prove, shown in the shape of groove 24 or via hole 25 consistent with the end shape of described cylindrical spacer 13, so that after described tft array substrate 1 arranged with 2 pairs of boxes of described color membrane substrates, the top of cylindrical spacer 13 can be positioned in described groove 24 or the via hole 25.The diameter of described groove 24 or via hole 25 is less than the width of described black matrix" 22.Because cylindrical spacer 13 two ends that the utility model embodiment provides are embedded in respectively insulation course 14 and electrode layer or protective seam 23; when above-mentioned each liquid crystal display substrate be squeezed, when impacting; the movement of cylindrical spacer 13 is restricted; be difficult for mobile; thereby more improved the stability of liquid crystal display substrate, reduced the light leakage phenomena that causes because of cylindrical spacer 13 position movements.
The method for making of the liquid crystal display substrate that will drive take vertical electric field among the following embodiment describes as example, method for making for the liquid crystal display substrate that drives with horizontal component of electric field, those skilled in the art can be by the method for making of prior art, and know for being described in the situation of creative work of liquid crystal display substrate structure in conjunction with above-mentioned, therefore do not repeat them here.
As shown in Figure 6, in order to achieve the above object, can the making by following steps of tft array substrate 1 among the utility model embodiment, concrete steps comprise:
S601, at first substrate 11 deposition layer of metal layers, form controlling grid scan line 12 and grid through composition technique.
Exemplary, adopt the sharp method of penetrating or evaporating to deposit successively the grid metal film at glass substrate, form controlling grid scan line and grid by the composition PROCESS FOR TREATMENT.
S602, deposit resin bed at tft array substrate 1, through composition technique, form cylindrical spacers 13 at the controlling grid scan line 12 of described tft array substrate 1.
Described cylindrical spacer 13 is formed on the controlling grid scan line 12, and behind described tft array substrate 1 and 2 pairs of boxes of color membrane substrates, the top of described cylindrical spacer 13 contacts with described color membrane substrates 2, and corresponding to described black matrix" figure 22.In prior art, because the end that is arranged at the chock insulator matter on the color membrane substrates contacts with the extreme higher position of array base palte, to compare and easily produce position movement, the cylindrical spacer 13 in the utility model example is being squeezed or during the external force such as impact, be difficult for mobile, better stable.
S603, on tft array substrate 1 depositing insulating layer 14, and by etching technics, remove the insulation course on cylindrical spacer 13 tops.Wherein, insulation course 14 can be selected oxide, nitride or oxynitrides.
Depositing insulating layer 14 on tft array substrate 1, and by etching technics, when removing the insulation course on cylindrical spacer 13 tops, described cylindrical spacer 13 is embedded in the insulation course 14, so that 14 pairs of cylindrical spacers 13 of insulation course play fixation.
S604, form active layer pattern at tft array substrate 1.
Exemplary, by sputtering method successive sedimentation metal oxide active layer, the metal oxide active layer forms semiconductor active layer after through composition technique.
S605, form source electrode, drain electrode at semiconductor active layer.
Exemplary, by sputtering method successive sedimentation layer of metal layer, through an etching technics, form source electrode, drain electrode at active layer.
S606, form pixel electrode layer at tft array substrate 1.
Exemplary, can process through an etching technics at tft array substrate deposition indium tin oxide ITO layer, form pixel electrode layer.
Concrete, as shown in Figure 7, the manufacture method of described color membrane substrates 2 mainly may further comprise the steps:
S701, form black matrix" figure 22 and color resin figures at second substrate 21.
Wherein, black matrix" figure 22 is by applying the black photoresists at second substrate 21, and after exposing, developing on the color membrane substrates that is formed at 2.
S702, on second substrate 21 deposition layer of transparent electrode layer, and form groove 24 or via hole 25 by composition technique.
After having finished black matrix" figure 22, at color membrane substrates 2 deposition layer of transparent electrode layers 23, by after composition technique, form groove 24 or via hole 25, shown in the shape of groove 24 or via hole 25 consistent with the end shape of described cylindrical spacer 13, so that after described tft array substrate 1 arranges with 2 pairs of boxes of described color membrane substrates, the top of cylindrical spacer 13 can be positioned in described groove 24 or the via hole 25, need to illustrate, the diameter of described groove 24 or via hole 25 is less than the width of described black matrix" 22.Because cylindrical spacer 13 two ends that the utility model embodiment provides are embedded in respectively insulation course 14 and electrode layer or protective seam 23; when liquid crystal display substrate be squeezed, when impacting; the movement of cylindrical spacer 13 is restricted; be difficult for mobile; improved the stability of liquid crystal display substrate; reduce the light leakage phenomena that causes because of cylindrical spacer 13 position movements, improved the quality of liquid crystal display substrate.
The utility model also provides a kind of liquid crystal indicator, comprise: liquid crystal display substrate, be filled in the liquid crystal in the described liquid crystal display substrate, and for this liquid crystal display substrate provides backlight backlight, described liquid crystal display substrate can be above-mentioned arbitrary liquid crystal display substrate.Described display device can have for liquid crystal display, LCD TV, digital album (digital photo frame), mobile phone, panel computer etc. product or the parts of any Presentation Function.
The utility model provides a kind of liquid crystal display substrate and liquid crystal indicator, by chock insulator matter being arranged on the controlling grid scan line of tft array substrate, after tft array substrate and color membrane substrates are to box, the top of cylindrical spacer contacts with color membrane substrates, and the black matrix" figure corresponding to color membrane substrates, reduce the light leakage phenomena that causes because of the cylindrical spacer position movement, improved the quality of liquid crystal display substrate.
The above; it only is 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; can expect easily changing or replacing, all should be encompassed within the 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 described claim.
Claims (8)
1. a liquid crystal display substrate comprises thin film transistor (TFT) tft array substrate and color membrane substrates to the box moulding; Wherein, described tft array substrate comprises first substrate and is formed on controlling grid scan line on the described first substrate, described color membrane substrates comprises second substrate and the black matrix" figure that is formed on the described second substrate, it is characterized in that, be formed with cylindrical spacer on the controlling grid scan line of described tft array substrate, so that described tft array substrate and described color membrane substrates to box after, the top of described cylindrical spacer contacts with described color membrane substrates, and corresponding to described black matrix" figure.
2. liquid crystal display substrate according to claim 1 is characterized in that, is formed with insulation course on the controlling grid scan line of described tft array substrate, and described insulation course is enclosed in around the described cylindrical spacer.
3. liquid crystal display substrate according to claim 1 is characterized in that, the xsect of the cylindrical spacer of described tft array substrate is rectangle.
4. liquid crystal display substrate according to claim 1, it is characterized in that, the xsect of the cylindrical spacer of described tft array substrate is trapezoidal, and the width of the close described tft array substrate side of the xsect of described cylindrical spacer is greater than the width near colored substrate-side.
5. liquid crystal display substrate according to claim 1 is characterized in that, the end shape of described cylindrical spacer and/or the bottom of described cylindrical spacer are shaped as circle, ellipse or polygon.
6. each described liquid crystal display substrate according to claim 1-5; it is characterized in that; described color membrane substrates also is provided with electrode layer or protective seam; and be provided with groove on described electrode layer or the protective seam; after described tft array substrate and described color membrane substrates arranged box, the top of the cylindrical spacer of described tft array substrate was positioned in the described groove.
7. each described liquid crystal display substrate according to claim 1-5; it is characterized in that; described color membrane substrates also is provided with electrode layer or protective seam; and be provided with via hole on described electrode layer or the protective seam; after described tft array substrate and described color membrane substrates arrange box; the top of the cylindrical spacer of described tft array substrate is positioned in the described via hole, and contacts with described black matrix.
8. liquid crystal indicator, comprise: liquid crystal display substrate, be filled in the liquid crystal in the described liquid crystal display substrate, and for this liquid crystal display substrate provides backlight backlight, it is characterized in that, described liquid crystal display substrate is each described liquid crystal display substrate in the claim 1～7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220398147 CN202720426U (en) | 2012-08-10 | 2012-08-10 | Liquid crystal display (LCD) substrate and LCD device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220398147 CN202720426U (en) | 2012-08-10 | 2012-08-10 | Liquid crystal display (LCD) substrate and LCD device |
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| Publication Number | Publication Date |
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| CN202720426U true CN202720426U (en) | 2013-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220398147 Expired - Lifetime CN202720426U (en) | 2012-08-10 | 2012-08-10 | Liquid crystal display (LCD) substrate and LCD device |
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| CN (1) | CN202720426U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016206164A1 (en) * | 2015-06-23 | 2016-12-29 | 武汉华星光电技术有限公司 | Liquid crystal display panel and method for manufacturing same |
| CN109509759A (en) * | 2019-01-04 | 2019-03-22 | 京东方科技集团股份有限公司 | A kind of array substrate and preparation method thereof, display panel, display device |
| CN110068965A (en) * | 2019-04-24 | 2019-07-30 | 京东方科技集团股份有限公司 | The production method of liquid crystal display panel, liquid crystal display device and liquid crystal display panel |
-
2012
- 2012-08-10 CN CN 201220398147 patent/CN202720426U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016206164A1 (en) * | 2015-06-23 | 2016-12-29 | 武汉华星光电技术有限公司 | Liquid crystal display panel and method for manufacturing same |
| CN109509759A (en) * | 2019-01-04 | 2019-03-22 | 京东方科技集团股份有限公司 | A kind of array substrate and preparation method thereof, display panel, display device |
| CN109509759B (en) * | 2019-01-04 | 2021-08-27 | 京东方科技集团股份有限公司 | Array substrate, preparation method thereof, display panel and display device |
| CN110068965A (en) * | 2019-04-24 | 2019-07-30 | 京东方科技集团股份有限公司 | The production method of liquid crystal display panel, liquid crystal display device and liquid crystal display panel |
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