CN101630097A - Liquid crystal display panel and liquid crystal display device - Google Patents
Liquid crystal display panel and liquid crystal display device Download PDFInfo
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- CN101630097A CN101630097A CN200810137724A CN200810137724A CN101630097A CN 101630097 A CN101630097 A CN 101630097A CN 200810137724 A CN200810137724 A CN 200810137724A CN 200810137724 A CN200810137724 A CN 200810137724A CN 101630097 A CN101630097 A CN 101630097A
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Abstract
The invention discloses a liquid crystal display panel and a liquid crystal display device. The liquid crystal display panel comprises a first base plate, a second base plate and a liquid crystal layer. The first base plate is provided with a pixel array and a colorized filter coating array. The second base plate is provided with a plurality of gap materials. The liquid crystal layer is arranged between the first base plate and the second base plate, wherein the gap materials are used for maintaining crystal cave gaps between the first base plate and the second base plate. The invention also discloses a method for manufacturing the liquid crystal display panel, and the liquid crystal display device. The method for manufacturing the liquid crystal display panel has the advantages of high process yield and low manufacturing cost.
Description
Technical field
The invention relates to a kind of display panels, its manufacture method and liquid crystal indicator, and display panels, its manufacture method and the liquid crystal indicator on same substrate relevant for a kind of integral color filter coating array and pel array particularly.
Background technology
Therefore advantages such as liquid crystal indicator has that high image quality, volume are little, in light weight, low voltage drive, low consumpting power and applied range have become the main flow of display device of new generation.Traditional display panels is made of colored optical filtering substrates (Color Filter), thin-film transistor array base-plate (TFT ArraySubstrate) and the liquid crystal layer that is disposed between this two substrates.For resolution and the aperture ratio of pixels that promotes panel, and the bit errors when avoiding colored optical filtering substrates to engage with thin-film transistor array base-plate, more proposed now color filter film directly is integrated in technology on the image element array substrates (Color Filter onArray is to call the COA substrate in the following text).
Will be integrated with the COA substrate and the assembling of another subtend substrate of pel array and color filter film, and between two substrates, insert liquid crystal molecule and can form display panels.In order to keep the gap between the two substrates, can earlier separation material (Photo spacer) be formed on the COA substrate.Afterwards, again COA substrate and subtend substrate are assembled to form display panels.
But, can be used as the mark of contraposition on the subtend substrate without any member, make the assembling of COA substrate and subtend substrate that the situation of contraposition skew often take place often.In case have offsetting between two substrates, can cause the difficulty of panel assembling back mechanical processing technique.Can on the subtend substrate, form some telltale marks when therefore, making this type of display panels with laser or other processing modes.Or, in part display panels technology, can on the subtend substrate, form netted black matrix, so that the effect of shading and contraposition to be provided simultaneously.Then be not easy to take place the situation of contraposition skew when so, COA substrate and subtend substrate are assembled.
Yet the extra processing and the formation of black matrix all can increase processing step, and the cost of manufacture of display panels is increased.In addition, if be formed with black matrix on the subtend substrate, the contraposition accuracy in COA substrate and subtend substrate when assembling is improved (for example bit errors is required 10 microns following), influence the demonstration aperture opening ratio of display panels to avoid lighttight black matrix shading.So, on the subtend substrate, form black matrix and can cause the difficulty in process degree of display panels to increase, also make production capacity (throughput) limited, and can't volume production.
Summary of the invention
The present invention provides a kind of display panels, and is inaccurate and influence the quality of display panels to avoid contraposition between COA substrate and the subtend substrate.
The present invention provides a kind of liquid crystal indicator in addition, and contraposition is forbidden and caused the not good problem of liquid crystal indicator technology yield when solving the COA substrate with the assembling of subtend substrate.
The present invention provides a kind of manufacture method of display panels again, with in the processing step of simplifying, and the inaccurate problem of contraposition when solving the assembling of COA substrate and subtend substrate.
The present invention proposes a kind of display panels, comprises first substrate, second substrate and liquid crystal layer.Have a pel array and a colorized filter coating array on first substrate.Have a plurality of separation materials on second substrate.Liquid crystal layer is disposed between first substrate and second substrate, and wherein separation material is in order to keep the cell gap between first substrate and second substrate.
The present invention proposes a kind of liquid crystal indicator in addition, comprises backlight module and display panels.Backlight module has an exiting surface.Display panels is disposed at the exiting surface of backlight module.In addition, display panels comprises first substrate, second substrate and liquid crystal layer.Have a pel array and a colorized filter coating array on first substrate.Have a plurality of separation materials on second substrate.Liquid crystal layer is disposed between first substrate and second substrate, and wherein separation material is in order to keep the cell gap between first substrate and second substrate.
In the display panels and liquid crystal indicator of one embodiment of the invention, also have a plurality of telltale marks on the second above-mentioned substrate.In addition, for example the material with separation material is identical for specifically labelled material.In addition, specifically labelled position for example is the non-display area corresponding to first substrate.
In the display panels and liquid crystal indicator of one embodiment of the invention, the material of above-mentioned separation material comprises photoresistance.
In the display panels and liquid crystal indicator of one embodiment of the invention, also have an alignment film on the first above-mentioned substrate, cover pel array and colorized filter coating array.
In the display panels and liquid crystal indicator of one embodiment of the invention, also has an alignment film on the second above-mentioned substrate, the coverage gap thing.
The present invention proposes a kind of manufacture method of display panels again.This manufacture method may further comprise the steps: first substrate is provided, has a pel array and a colorized filter coating array on it.On second substrate, form a plurality of separation materials.The filling liquid crystal layer and is kept cell gap between first substrate and second substrate with separation material between first substrate and second substrate.
In the manufacture method of the display panels of one embodiment of the invention, the method for above-mentioned formation separation material comprises carries out photoresistance coating process and photoengraving carving technology.In addition, when forming separation material, more can form a plurality of telltale marks with aforementioned photoresistance coating process and aforementioned lights etching carving technology simultaneously.
In the manufacture method of the display panels of one embodiment of the invention, when first substrate is provided, also have an alignment film on first substrate, alignment film covers pel array and colorized filter coating array.
In the manufacture method of the display panels of one embodiment of the invention, after forming separation material with the filling liquid crystal layer before, also be included on second substrate and form alignment film, and alignment film coverage gap thing.
In liquid crystal indicator of the present invention and the display panels thereof, separation material shows that to display panels the influence of aperture opening ratio is less, thus the technology tolerable of substrate assembling slightly error and make technology have higher elasticity and lower cost.In liquid crystal indicator of the present invention and the display panels thereof, separation material and telltale mark are formed on second substrate in identical processing step simultaneously, therefore the present invention has not been required to be the making telltale mark and has increased extra technology, helps to save cost of manufacture.In addition, the present invention is formed telltale mark when forming separation material, the contraposition accuracy when helping to improve the display panels assembling.
For above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, preferred embodiment cited below particularly, and cooperate appended diagram, be described in detail below.
Description of drawings
Figure 1A～Fig. 1 D illustrates the manufacturing process into the display panels of one embodiment of the invention.
Fig. 2 illustrates the liquid crystal indicator into one embodiment of the invention.
Description of reference numerals
100: display panels
110: the first substrates
120: pel array
130: colorized filter coating array
140,240: alignment film
210: the second substrates
220: separation material
230: telltale mark
310: liquid crystal layer
410: frame glue
500: liquid crystal indicator
510: backlight module
512: exiting surface
520: preceding frame
D: cell gap
P1: viewing area
P2: non-display area
Embodiment
Figure 1A illustrates manufacturing process into the display panels of one embodiment of the invention to Fig. 1 D.Please, provide first substrate 110, have a pel array 120 and a colorized filter coating array 130 on it earlier with reference to Figure 1A.In addition, for example also have an alignment film 140 on first substrate 110, alignment film 140 covers pel array 120 and colorized filter coating array 130.First substrate 110 is that color filter film directly is integrated in COA substrate on the image element array substrates (Color Filter on Array).
In the present embodiment, pel array 120 for example is a thin film transistor (TFT) pel array, and it comprises a plurality of thin film transistor (TFT)s of arrayed and the pixel electrode that electrically connects with each thin film transistor (TFT).Certainly, pel array 120 also can be the pel array of other kenels.
Then, please refer to Figure 1B, on second substrate 210, form a plurality of separation materials 220.Second substrate 210 for example is a glass substrate or other are used to make the substrate of display panels, forms a transparency conducting layer on second substrate earlier, and the method that forms separation material 220 can be to carry out photoresistance coating process and photoengraving carving technology.Specifically, photoresistance coating process method of spin coating (spin coating) or other suitable modes are formed at photoresist on second substrate 210 for example.The photoengraving carving technology then is to utilize a photomask or suitable mask to carry out exposure technology the photoresist that is formed on second substrate 210 is partly exposed, and removes the part photoresist by developer.At this moment, being formed at photoresist on second substrate 210 then can be patterned and form a plurality of separation materials 220.Because the reaction that different photoresists may be taken place by irradiate light roughly has polymerization or dissociates two kinds.So the kind of photoresist, photomask and developer is collocation mutually.For example, the eurymeric photoresist is subjected to can being dissociated into the structure that dissolves in developer after the rayed, therefore should arrange in pairs or groups and use the eurymeric photomask to carry out lithography step, to form a plurality of separation materials 220.At this moment, should use suitable developer when carrying out etching step, the developer of the eurymeric photoresist after just solubilized is dissociated.In addition, if select for use the minus photoresist then need use the minus photomask and therewith the minus photoresist developer of arranging in pairs or groups mutually carry out the photoengraving carving technology.
In the present embodiment, when forming separation material 220, more can in aforementioned photoresistance coating process and aforementioned lights etching carving technology, form a plurality of telltale marks 230 simultaneously.Specifically, desire when forming separation material 220, also to form a plurality of telltale marks 230, for example can adopt photomask to carry out the photoengraving carving technology, then can make photoresist be patterned to a plurality of separation materials 220 and a plurality of telltale mark 230 simultaneously with different pattern.In brief, when present embodiment is formed at separation material 220 on second substrate 210, can in identical processing step, also form telltale mark 230.
Then, please refer to Fig. 1 C, on second substrate 210, form alignment film 240 and alignment film 240 coverage gap things 220.In the present embodiment, alignment film 240 also can cover telltale mark 230.In other words, alignment film 240 for example is to be covered on whole second substrate 210.Certainly, alignment film 140 on first substrate 110 and the alignment film 240 on second substrate 210 for example all can form required alignment direction by contact allocating process or contactless allocating process.
Afterwards, please refer to Fig. 1 D, filling liquid crystal layer 310 is between first substrate 110 and second substrate 210.Vacuum impregnation is for example arranged the method for filling liquid crystal layer 310 and the formula injection method that drips (one dropfill, ODF).In fact, before vacuum impregnation formation liquid crystal layer 310, first substrate 110 is engaged by a frame glue 410 with second substrate 210, and the opening of liquid crystal in frame glue 410 inserted between first substrate 110 and second substrate 210.At this moment, separation material 220 is in order to keep the cell gap d between first substrate 110 and second substrate 210.In addition, if form liquid crystal layer 310 with the formula injection method that drips, then need with frame glue 410 be formed at first substrate 110 or second substrate 210 wherein one on, and in 410 regions of frame glue, splash into liquid crystal, again first substrate 110 is engaged with second substrate 210.At this moment, first substrate 110, second substrate 210 and liquid crystal layer 410 constitute a display panels 100.
Please refer to Fig. 1 D, display panels 100 comprises first substrate 110, second substrate 210 and liquid crystal layer 310.Have a pel array 120 and a colorized filter coating array 130 on first substrate 110.Have a plurality of separation materials 220 on second substrate 210.Liquid crystal layer 310 is disposed between first substrate 110 and second substrate 210, and wherein separation material 220 is in order to keep the cell gap d between first substrate 110 and second substrate 210.At this, first substrate 110 and second substrate 210 for example are bonded together by frame glue 410.
The position of separation material 230 and distribution density can change along with the design of display panels 100.When certain subregion of display panels 100 is easier to be subjected to gravity or other function influences and cell gap d is changed, can in this zone, increase the density of separation material 230.In addition, in the present embodiment, utilize the formed separation material 230 of photoresist haply for faint yellow, and separation material 230 for example is to be spot distribution in the P1 of viewing area.Therefore, if a little offsetting takes place, the position of part separation material 230 is dropped in the photic zone of pel array 120 when first substrate 110 and 210 assemblings of second substrate, also be unlikely to significantly to influence the demonstration aperture opening ratio of display panels 100.Compared to the known display panels that black matrix is set on the subtend substrate, the display panels 100 of present embodiment is bigger for the tolerance of first substrate 110 and 210 bit errors of second substrate.For instance, when present embodiment carries out the substrate assembling, about 100 microns of the skew tolerance Yue Keda between first substrate 110 and second substrate 210.That is to say that the technology of the display panels 100 of present embodiment has bigger nargin.
In addition, also have a plurality of telltale marks 230 on second substrate 210, the reference point in order to as first substrate 110 and the assembling of second substrate 210 time is so that the contraposition of first substrate 110 and second substrate 210 is more accurate.Specifically, telltale mark 230 for example is to be distributed among the non-display area P2, and telltale mark 230 for example presents cross or the L type.If there are not these telltale marks 230 on second substrate 210, do not have reference point when then first substrate 110 and second substrate 210 are assembled, and the situation of misalignment takes place easily.When first substrate 110 and the assembling of second substrate 210, has higher accuracy rate in the time of can as the reference point of contraposition first substrate 110 being assembled with second substrate 210 by telltale mark 230.Therefore, the display panels 100 that present embodiment proposed has quite high technology yield.
Further, when in the previous technology COA substrate being applied to display panels, separation material can be made on the COA substrate.In addition, require more accurately and need on the subtend substrate, make telltale mark, the processing step of display panels is increased for the technology that makes substrate assembling reaches.In comparison, present embodiment is made in telltale mark 220 and separation material 230 on second substrate 210 simultaneously, helps to simplify the technology of display panels and reduces the technology cost.
The present invention proposes a kind of liquid crystal indicator in addition at this, is made up of an above-mentioned display panels 100 and a backlight module.Fig. 2 is the explosive view of liquid crystal indicator of the display panels of application drawing 1D.Please refer to Fig. 2, liquid crystal indicator 500 comprises backlight module 510 and above-mentioned display panels 100.Wherein, display panels 100 is disposed at the top of the exiting surface 512 of backlight module 510.In addition, liquid crystal indicator 500 more can have frame 520 before, with so that liquid crystal panel 100 can be more firm be configured on the backlight module 510.Because display panels 100 has high technology yield, thereby helps the volume production of liquid crystal indicator 500.
In sum, display panels of the present invention, its manufacture method and liquid crystal indicator have the advantage of the following stated at least.In the manufacture method of display panels of the present invention, separation material is less to the influence of the demonstration aperture opening ratio of display panels, so it is big and make technology have elasticity for the tolerance of bit errors to carry out substrate when assembling, just process margin is bigger.In other words, when substrate is assembled, be not required to be and avoided separation material that the demonstration aperture opening ratio of display panels is impacted and require high contraposition accuracy.Therefore, display panels of the present invention is suitable for volume production.In addition, in display panels of the present invention and the liquid crystal indicator thereof, separation material and alignment mark all are disposed on second substrate, and separation material and alignment mark are made simultaneously.Therefore, the present invention provides the higher display panels technology of accuracy of a substrate packaging technology under the prerequisite that does not increase making step and cost.In other words, the manufacture method of display panels of the present invention has high technology yield.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; those of ordinary skill in the technical field under any; without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is as the criterion when looking appended the claim person of defining.
Claims (10)
1. display panels comprises:
One first substrate has a pel array and a colorized filter coating array on it;
One second substrate has a plurality of separation materials on it; And
One liquid crystal layer is disposed between this first substrate and this second substrate, and wherein those separation materials are in order to keep the cell gap between this first substrate and this second substrate.
2. display panels as claimed in claim 1 wherein also has a plurality of telltale marks on this second substrate.
3. display panels as claimed in claim 2, wherein those telltale marks are identical with the material of those separation materials.
4. display panels as claimed in claim 2, wherein those specifically labelled positions are the non-display areas corresponding to this first substrate.
5. display panels as claimed in claim 1, wherein the material of those separation materials comprises photoresistance.
6. liquid crystal indicator comprises:
One backlight module has an exiting surface;
One display panels is disposed at this exiting surface of this backlight module, and this display panels comprises:
One first substrate has a pel array and a colorized filter coating array on it;
One second substrate has a plurality of separation materials on it; And
One liquid crystal layer is disposed between this first substrate and this second substrate, and wherein those separation materials are in order to keep the cell gap between this first substrate and this second substrate.
7. liquid crystal indicator as claimed in claim 6 wherein also has a plurality of telltale marks on this second substrate.
8. liquid crystal indicator as claimed in claim 7, wherein those telltale marks are identical with the material of those separation materials.
9. liquid crystal indicator as claimed in claim 8, wherein those specifically labelled positions are the non-display areas corresponding to this first substrate.
10. liquid crystal indicator as claimed in claim 9, wherein the material of those separation materials comprises photoresistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810137724A CN101630097A (en) | 2008-07-18 | 2008-07-18 | Liquid crystal display panel and liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810137724A CN101630097A (en) | 2008-07-18 | 2008-07-18 | Liquid crystal display panel and liquid crystal display device |
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| CN101630097A true CN101630097A (en) | 2010-01-20 |
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| CN200810137724A Pending CN101630097A (en) | 2008-07-18 | 2008-07-18 | Liquid crystal display panel and liquid crystal display device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104122700A (en) * | 2014-05-29 | 2014-10-29 | 京东方科技集团股份有限公司 | Substrate for 3D display, manufacturing method thereof and mask plate |
| CN104317451A (en) * | 2014-10-27 | 2015-01-28 | 昆山龙腾光电有限公司 | Method for manufacturing touch display device |
-
2008
- 2008-07-18 CN CN200810137724A patent/CN101630097A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104122700A (en) * | 2014-05-29 | 2014-10-29 | 京东方科技集团股份有限公司 | Substrate for 3D display, manufacturing method thereof and mask plate |
| CN104317451A (en) * | 2014-10-27 | 2015-01-28 | 昆山龙腾光电有限公司 | Method for manufacturing touch display device |
| CN104317451B (en) * | 2014-10-27 | 2018-11-13 | 昆山龙腾光电有限公司 | The manufacturing method of touch control display apparatus |
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Application publication date: 20100120 |