CN101546071A - Liquid crystal display - Google Patents

Liquid crystal display Download PDF

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Publication number
CN101546071A
CN101546071A CN200910111694A CN200910111694A CN101546071A CN 101546071 A CN101546071 A CN 101546071A CN 200910111694 A CN200910111694 A CN 200910111694A CN 200910111694 A CN200910111694 A CN 200910111694A CN 101546071 A CN101546071 A CN 101546071A
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CN
China
Prior art keywords
substrate
liquid crystal
netlike
spacer
those
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Pending
Application number
CN200910111694A
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Chinese (zh)
Inventor
张昭仁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CPTF Optronics Co Ltd
Chunghwa Picture Tubes Ltd
Original Assignee
CPTF Optronics Co Ltd
Chunghwa Picture Tubes Ltd
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Application filed by CPTF Optronics Co Ltd, Chunghwa Picture Tubes Ltd filed Critical CPTF Optronics Co Ltd
Priority to CN200910111694A priority Critical patent/CN101546071A/en
Publication of CN101546071A publication Critical patent/CN101546071A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a liquid crystal display, which comprises a first substrate, a second substrate, a netlike spacer and a liquid crystal. The first substrate comprises a black matrix. The netlike spacer consists of a plurality of longitudinal dividing strips and a plurality of transverse dividing strips, is arranged between the first substrate and the second substrate, and is arranged on the black matrix, wherein the thicknesses of the longitudinal dividing strips and the transverse dividing strips are different. The liquid crystal is arranged in a space formed by the first substrate, the second substrate and the netlike spacer. The liquid crystal display is favorable for the liquid crystal filled into the liquid crystal display to flow evenly so as to increase the filling evenness of the liquid crystal and reduce the occurrence probability of Z-shaped defects.

Description

LCD
Technical field
The invention relates to a kind of LCD (liquid crystal display, LCD), and particularly relevant for a kind of ferroelectric liquid crystals display.
Background technology
At present, ferroelectric liquid crystals is owing to having the rapid answer characteristic, so be used in the color sequential display (ColorSequential Display).Because ferroelectric liquid crystals belongs to a kind of of smectic liquid crystal (Smectic), and the coefficient of viscosity of smectic liquid crystal is higher, therefore in order smoothly liquid crystal to be injected between two substrates, and consider the even distributed needs of liquid crystal, panel or liquid crystal all can be heated, and then the cooling panel, conveniently smoothly liquid crystal is injected.
Yet, injecting the process of ferroelectric liquid crystals, because the coefficient of viscosity of liquid crystal is higher, therefore when carrying out cooling program, because of the flow of liquid crystal reduction, meeting and then solidify.Add that color sequential display there is no colored filter, the uneven vestige of color (Mura) so the picture of known color sequential display can be appeared.
In addition, at present find that also the coefficient of thermal expansion of ferroelectric liquid crystals is far above glass substrate, so when the heating cooling, the volumetric contraction variation of liquid crystal can make liquid crystal and polyimide (polyimide, PI) surface has and sticks together stress, can cause zigzag defective (Zig-zag), make liquid crystal find directed defective.
Therefore, it is to improve this phenomenon with vertical bar shape wall construction (US5559621) that patent is arranged at present, but when liquid crystal flowed, its flow direction and alignment direction also can produce z font defective (Zig-Zag) not simultaneously, make liquid crystal that directed defective take place.The liquid crystal flow path is long more, and defective is serious more.Even be warmed up to the liquid crystal phase of same tropism (Isotropic) again, this defective still exists, and this is that vertical bar shape wall construction institute is insurmountable.
Summary of the invention
The object of the present invention is to provide a kind of LCD, this device helps making the liquid crystal of inserting wherein evenly to flow, and increases the homogeneity that liquid crystal is inserted, to reduce the probability that z font defective takes place.
The present invention proposes a kind of LCD.This LCD comprises one first substrate, one second substrate, a netlike spacer and a liquid crystal.First substrate comprises a black matrix.Netlike spacer is made up of most longitudinal subdivision bars and most horizontal dividers, and is disposed between first substrate and second substrate, and is disposed on the black matrix, and wherein these longitudinal subdivision bars are different with the thickness of these horizontal dividers.Liquid crystal then is disposed in first substrate, second substrate and the formed space of this netlike spacer.
In an embodiment of the present invention, the thickness of wherein said longitudinal subdivision bar and horizontal divider differs between 0.1 to 20 micron.
In an embodiment of the present invention, wherein said longitudinal subdivision bar has one first end face, and those horizontal dividers have one second end face, and this first end face and this second end face copline not.
In an embodiment of the present invention, wherein said netlike spacer comprises a plurality of grooves, and the bottom surface faces of those grooves is in this second substrate.
In an embodiment of the present invention, wherein the material of netlike spacer is a thermmohardening material or a UV cured material.
In an embodiment of the present invention, wherein the material of netlike spacer is an acryl resin.
In an embodiment of the present invention, wherein netlike spacer more comprises a plurality of first protuberances, and it is disposed at a side of netlike spacer, first protuberance be shaped as a semicircle, a trapezoidal or taper.
In an embodiment of the present invention, wherein netlike spacer more comprises a plurality of second protuberances, and these second protuberances are positioned at respect to these first protuberance places.
In an embodiment of the present invention, wherein the netlike spacer bar has an end face and a bottom surface, and the width of end face is greater than the width of its bottom surface.
In an embodiment of the present invention, wherein the width of netlike spacer less than the width of this black matrix.
In an embodiment of the present invention, wherein liquid crystal is a ferroelectric liquid crystals.
In an embodiment of the present invention, wherein first substrate and this second substrate are made up of an electrically conducting transparent material.
In an embodiment of the present invention, wherein the electrically conducting transparent material is to be an indium tin oxide or an indium-zinc oxide.
In sum, LCD of the present invention has different owing to be disposed at the horizontal longitudinal direction structural design of the netlike spacer on the black matrix layer.Therefore, have the netlike spacer of high low head or groove (concave) structure or protuberance structural design, in the process that liquid crystal is inserted, its liquid crystal can evenly flow, and increases the homogeneity that liquid crystal is inserted.So LCD of the present invention can be applied in the display.
Description of drawings
Fig. 1 is the side diagrammatic sketch of the LCD of one embodiment of the invention.
Fig. 2 is the schematic perspective view of the netlike spacer configuration of one embodiment of the invention.
Fig. 3 is the side diagrammatic sketch of the netlike spacer of one embodiment of the invention.
Fig. 4 is the schematic perspective view of the netlike spacer configuration of another embodiment of the present invention.
Fig. 5 is the schematic perspective view of the netlike spacer configuration of another embodiment of the present invention.
Fig. 6 is the schematic perspective view of the netlike spacer configuration of another embodiment of the present invention.
[main element symbol description]
1 LCD
10 first substrates
11 transparent conductive substrates
12 black matrixes
20 second substrates
30 netlike spacer
31 longitudinal subdivision bars
311 first end faces
32 horizontal dividers
321 second end faces
33 grooves
34 protuberances
341 first protuberances
342 second protuberances
Embodiment
Fig. 1 is the side diagrammatic sketch of the LCD of one embodiment of the invention.Fig. 2 is the schematic perspective view of the netlike spacer configuration of one embodiment of the invention.Fig. 3 is the side diagrammatic sketch of the netlike spacer of one embodiment of the invention.See also Fig. 1, Fig. 2 and Fig. 3, LCD 1 comprises one first substrate 10, one second substrate 20, a netlike spacer 30 and a liquid crystal (figure does not show).
Liquid crystal (figure does not show) is disposed in first substrate 10, second substrate 20 and this netlike spacer 30 formed spaces.Wherein said liquid crystal is a ferroelectric liquid crystals.
First substrate 10 comprises a black matrix 12 and a transparent conductive substrate 11.Transparent conductive substrate 11 is made up of an electrically conducting transparent material, its material for example be indium tin oxide (Indium Tin Oxide, ITO) or indium-zinc oxide (IndiumZinc Oxide, IZO).
Second substrate 20 also comprises a transparent conductive substrate, and transparent conductive substrate is made up of an electrically conducting transparent material, and its material for example be indium tin oxide (Indium Tin Oxide, ITO) or indium-zinc oxide (Indium Zinc Oxide, IZO).Netlike spacer 30 is to be disposed between first substrate 10 and second substrate 20, and is disposed on the black matrix 12 of first substrate.So, can utilize this netlike spacer 30 and limit interval between first substrate and second substrate.Implement liquid crystal then and inject engineering, form LCD essential structure shown in Figure 1 whereby.
Liquid crystal fills in the process in first substrate 10, second substrate 20 and this netlike spacer 30 formed spaces, and it can see through traditional printing technology, similarly is that modes such as ink-jet, intaglio printing, screen painting, sprinkling printing or strip coating are finished.
Fig. 2 is the schematic perspective view of netlike spacer 30 configurations of one embodiment of the invention.Please refer to Fig. 2, netlike spacer 30 is made up of most longitudinal subdivision bars 31 and most horizontal dividers 32, and what wherein must pay special attention to is that described longitudinal subdivision bar 31 has high low head with the configuration of laterally separating 32.And preferably longitudinal subdivision bar 31 and laterally separate 32 both thickness and differ between 0.1 to 20 micron.
For instance, as shown in Figure 2, longitudinal subdivision bar 31 has a-end face 311, and laterally divider 32 has one second end face 321, wherein first end face 311 and second end face 321 copline not.In other words, when longitudinal subdivision bar 31 configuration is higher than horizontal divider 32, i.e. second end face 321 that is higher than horizontal divider 32 of first end face 311 of longitudinal subdivision bar 31.Perhaps, the thickness of longitudinal subdivision bar 31 can be lower than horizontal divider 32, and this that is to say that laterally second end face 321 of divider 32 is higher than first end face 311 of longitudinal subdivision bar 31.
When longitudinal subdivision bar 31 and horizontal divider 32 dispose high low head the time, the structural design of this high low head can make things convenient for liquid crystal evenly to flow, and increases the homogeneity that liquid crystal is inserted.And because therefore the structural design of the high low head surface of contact when inserting away from prebasal plate and liquid crystal can possess the homogeneity that above-mentioned advantage and increase liquid crystal are inserted.
Show as Fig. 2, the width of netlike spacer 30 is less than the width of black matrix 12, owing to there is black matrix 12 to block, the material of netlike spacer 30 can be a thermmohardening material or a UV cured material simultaneously, it for example is acryl resin, because of acryl resin is the high transparent material, so can not influence the panel transmitance.In addition, the area that surrounded of netlike spacer 30 can be a picture element or a plurality of picture element.
The method for making of netlike spacer 30 is identical with the exposure imaging method of general photoresistance.It should be noted that longitudinal subdivision bar 31 can use the acryl resin photoresistance of different heat expansion coefficient to make respectively with horizontal divider 32, so, have adhesion for relax slow liquid crystal and protective seam surface and have bigger benefiting.
Fig. 3 is the side diagrammatic sketch of the netlike spacer 30 of another embodiment of the present invention.Please refer to Fig. 3, netlike spacer 30 has an end face and a bottom surface, and the width of end face can that is to say less than the width of its bottom surface, and netlike spacer 30 can be a up-narrow and down-wide design.
In detail, the included longitudinal subdivision bar 31 of netlike spacer 30 and horizontal divider 32 the two one of them can have these up-narrow and down-wide designs at least, for example all longitudinal subdivision bar 31 all has up-narrow and down-wide design with horizontal divider 32, or only longitudinal subdivision bar 31 and horizontal divider 32 one of them have up-narrow and down-wide design.
Therefore, by the netlike spacer 30 that these longitudinal subdivision bars 31 and these horizontal dividers 32 are formed, it can replace the employed wall of original display panel (SPACER), makes the homogeneity of panel better.In addition, these netlike spacer 30 also can be applicable to general ferroelectric type display except being applied in ferroelectric type look preface method panel.
Fig. 4 is the schematic perspective view of netlike spacer 30 configurations of another embodiment of the present invention.See also Fig. 4, the LCD of present embodiment is similar to the LCD of previous embodiment 1, and only the difference part is: the shape of netlike spacer 30.
In the present embodiment, netlike spacer 30 comprises most longitudinal subdivision bars 31 and most horizontal dividers 32 equally, so, the longitudinal subdivision bar 31 of this embodiment or laterally the shape of divider 32 and longitudinal subdivision bar 31 shown in Figure 2 or these horizontal dividers 32 have different.
For instance, as shown in Figure 4, difference is in longitudinal subdivision bar 31 and has a plurality of grooves 33, and the bottom surface faces of these grooves 33 is in second substrate 20.That is to say that the end face of longitudinal subdivision bar 31 also not exclusively presents a complete surface level.In like manner, same groove 33 can also only be disposed at the end face (figure does not show) of horizontal divider 32.In other words, longitudinal subdivision bar 31 and horizontal divider 32 the two one of them can have these grooves 33 at least, for example all longitudinal subdivision bar 31 all has groove with horizontal divider 32, or only longitudinal subdivision bar 31 and horizontal divider 32 one of them have groove.See through these groove structure designs, increase the homogeneity that liquid crystal is inserted.
Fig. 5 is the schematic perspective view of netlike spacer 30 configurations of another embodiment of the present invention.See also Fig. 5, the LCD of present embodiment is similar to the LCD of previous embodiment, and only the difference part is equally: the shape of netlike spacer 30.
In the present embodiment, netlike spacer 30 comprises the structural design of at least one protuberance 34.For instance, see also Fig. 5, the horizontal divider 32 of netlike spacer 30 can comprise a plurality of protuberances 34, and protuberance 34 is disposed at a side of these horizontal dividers 32, and protuberance 34 be shaped as a semicircle, a trapezoidal or taper.
When inserting substrate,, cause bubble can't remove easily inner generation of liquid crystal owing to once insert a large amount of liquid crystal with the mode of printing liquid crystal.Yet,, can reduce the chance that bubble produces by the structural design of these protuberances 34.
In addition, the structural design of these protuberances 34, also configurable in the both sides of those horizontal dividers 32, that is to say, laterally divider 32 can comprise a plurality of first protuberances 341 and most second protuberances 342, and wherein, first protuberance 341 is disposed at respect to second protuberance, 342 places (as shown in Figure 6).
Certainly, these protuberance structure Design are also configurable in a side or the both sides of these longitudinal subdivision bars 31, that is to say, longitudinal subdivision bar 31 and horizontal divider 32 the two one of them can have these protuberances 34 at least, for example all longitudinal subdivision bar 31 all has protuberance 34 with horizontal divider 32, or only longitudinal subdivision bar 31 and horizontal divider 32 one of them have protuberance 34.See through these protuberance 34 structural designs, can increase the homogeneity that liquid crystal is inserted.
Special one what carry is that Fig. 4 and netlike spacer 30 shown in Figure 5 are not to limit the present invention according to this only for illustrating.More in detail, groove 33 designs among Fig. 4 can be arranged in pairs or groups mutually with other embodiment of the present invention, and the protuberance 34 among Fig. 5 can be used with the mutual collocation design of other embodiment of the present invention too.
For instance, in the embodiment that other do not illustrate, the design of netlike spacer 30 can be comprise simultaneously as shown in Figure 4 groove 33 and protuberance 34 shown in Figure 5.That is to say, longitudinal subdivision bar 31 can comprise simultaneously as shown in Figure 4 groove 33 and protuberance 34 shown in Figure 5, or laterally divider 32 can comprise simultaneously as shown in Figure 4 groove 33 and protuberance 34 shown in Figure 5, or longitudinal subdivision bar 31 and horizontal divider 32 comprise simultaneously as shown in Figure 4 groove 33 and protuberance 34 shown in Figure 5.
In sum, in LCD of the present invention, have different owing to be disposed at the horizontal longitudinal direction structural design of the netlike spacer on the black matrix layer.Therefore, have the netlike spacer of high low head or groove (concave) structure or protuberance structural design, in the process that liquid crystal is inserted, its liquid crystal can evenly flow, and increases the homogeneity that liquid crystal is inserted.
Though the present invention discloses as above with previous embodiment, so it is not in order to limiting the present invention, anyly has the knack of alike skill person, and without departing from the spirit and scope of the present invention, institute does to change and the equivalence replacement of retouching, and still is in the scope of patent protection of the present invention.

Claims (10)

1. LCD is characterized in that: comprising:
One first substrate, wherein this first substrate comprises a black matrix;
One second substrate;
One netlike spacer, formed by most longitudinal subdivision bars and most horizontal dividers, and be disposed between this first substrate and this second substrate, and be disposed on this black matrix, wherein those longitudinal subdivision bars are different with the thickness of those horizontal dividers; And
One liquid crystal is disposed in this first substrate, this second substrate and the formed space of this netlike spacer.
2. LCD according to claim 1 is characterized in that: the thickness of those longitudinal subdivision bars and those horizontal dividers differs between 0.1 to 20 micron.
3. LCD according to claim 1 is characterized in that: those longitudinal subdivision bars have one first end face, and those horizontal dividers have one second end face, and this first end face and this second end face copline not.
4. LCD according to claim 1 is characterized in that: this netlike spacer comprises a plurality of grooves, and the bottom surface faces of those grooves is in this second substrate.
5. LCD according to claim 1 is characterized in that: the material of this netlike spacer is a thermmohardening material or a UV cured material.
6. LCD according to claim 1 is characterized in that: the material of this netlike spacer is an acryl resin.
7. LCD according to claim 1, it is characterized in that: this netlike spacer more comprises a plurality of first protuberances, it is disposed at a side of this netlike spacer, those first protuberances be shaped as a semicircle, a trapezoidal or taper, this netlike spacer more comprises a plurality of second protuberances, and those second protuberances are positioned at respect to those first protuberance places.
8. LCD according to claim 1 is characterized in that: this netlike spacer bar has an end face and a bottom surface, and the width of this end face is greater than the width of its bottom surface.
9. LCD according to claim 1 is characterized in that: the width of those netlike spacer is less than the width of this black matrix.
10. LCD according to claim 1 is characterized in that: this liquid crystal is a ferroelectric liquid crystals, and this first substrate and this second substrate are made up of an electrically conducting transparent material, and this electrically conducting transparent material is to be an indium tin oxide or an indium-zinc oxide.
CN200910111694A 2009-05-07 2009-05-07 Liquid crystal display Pending CN101546071A (en)

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Application Number Priority Date Filing Date Title
CN200910111694A CN101546071A (en) 2009-05-07 2009-05-07 Liquid crystal display

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Application Number Priority Date Filing Date Title
CN200910111694A CN101546071A (en) 2009-05-07 2009-05-07 Liquid crystal display

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102262322A (en) * 2010-05-24 2011-11-30 上海天马微电子有限公司 Liquid crystal display device and liquid crystal display device substrate
CN104216161A (en) * 2014-08-22 2014-12-17 京东方科技集团股份有限公司 Color film substrate, preparation method of color film substrate and display device
CN105278145A (en) * 2014-07-01 2016-01-27 群创光电股份有限公司 Display panel
CN105807522A (en) * 2016-05-25 2016-07-27 京东方科技集团股份有限公司 Array substrate, production method thereof and display panel
US10012871B2 (en) 2016-10-31 2018-07-03 Xiamen Tianma Micro-Electronics Co., Ltd. Liquid crystal display panel and liquid crystal display apparatus
CN108761928A (en) * 2018-05-24 2018-11-06 京东方科技集团股份有限公司 Display, display panel and preparation method thereof
CN110879498A (en) * 2019-11-28 2020-03-13 武汉华星光电技术有限公司 Liquid crystal display panel and liquid crystal display device

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102262322A (en) * 2010-05-24 2011-11-30 上海天马微电子有限公司 Liquid crystal display device and liquid crystal display device substrate
CN102262322B (en) * 2010-05-24 2015-08-26 上海天马微电子有限公司 Liquid crystal display device and liquid crystal display device substrate
CN105278145A (en) * 2014-07-01 2016-01-27 群创光电股份有限公司 Display panel
CN105278145B (en) * 2014-07-01 2018-07-27 群创光电股份有限公司 Display panel
CN104216161A (en) * 2014-08-22 2014-12-17 京东方科技集团股份有限公司 Color film substrate, preparation method of color film substrate and display device
US9939567B2 (en) 2014-08-22 2018-04-10 Boe Technology Group Co., Ltd. Color filter substrate and manufacturing method for the same, and display device
CN105807522A (en) * 2016-05-25 2016-07-27 京东方科技集团股份有限公司 Array substrate, production method thereof and display panel
US10012871B2 (en) 2016-10-31 2018-07-03 Xiamen Tianma Micro-Electronics Co., Ltd. Liquid crystal display panel and liquid crystal display apparatus
CN108761928A (en) * 2018-05-24 2018-11-06 京东方科技集团股份有限公司 Display, display panel and preparation method thereof
CN110879498A (en) * 2019-11-28 2020-03-13 武汉华星光电技术有限公司 Liquid crystal display panel and liquid crystal display device

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Open date: 20090930