CN103852932A - Liquid crystal display panel and manufacturing method thereof - Google Patents
Liquid crystal display panel and manufacturing method thereof Download PDFInfo
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- CN103852932A CN103852932A CN201210524291.5A CN201210524291A CN103852932A CN 103852932 A CN103852932 A CN 103852932A CN 201210524291 A CN201210524291 A CN 201210524291A CN 103852932 A CN103852932 A CN 103852932A
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Abstract
The invention relates to a liquid crystal display panel and a manufacturing method thereof. The liquid crystal display panel comprises a first transmitting substrate, a second transmitting substrate, a macromolecule converged network structure, a liquid crystal and first sealant; the macromolecule converged network structure is arranged between the first transmitting substrate and the second transmitting substrate, and the macromolecule converged network structure is arranged in a display area of the first transmitting substrate; the liquid crystal is arranged between the first transmitting substrate and the second transmitting substrate, and the liquid crystal penetrates into the macromolecule converged network structure; the first sealant is arranged between the first transmitting substrate and the second transmitting substrate; a gap is formed between the macromolecule converged network structure and the first sealant. In addition, the invention provides a method for manufacturing the liquid crystal display panel.
Description
Technical field
The present invention relates to a kind of display panel and manufacture method thereof, and particularly relate to a kind of display panels and manufacture method thereof.
Background technology
In recent years, in order to promote the display quality of liquid crystal display, the blue phase liquid crystal material with rapid answer characteristic comes into one's own gradually, wherein blue phase (Blue Phase) is a kind of between turning round a layer phase (cholesteric phase) and waiting to the liquid crystal phase between phase (isotropic phase), and the temperature range of its existence is very narrow.Indigo plant has three kinds of out of phase existence mutually, be respectively the first blue phase (BP I), the second blue phase (BP II) and the 3rd blue phase (BP III), wherein the first blue phase is cube structure (cubic) with the second indigo plant mutually, and the 3rd blue phase is unformed (amorphous) structure.
Although at present technology also has development that micro-high polymer monomer is added in liquid crystal material, is that blue phase time makes high polymer monomer carry out photopolymerization reaction in liquid crystal state, taking bond as high molecular polymer, and reach the effect of stable blue phase liquid crystal structure.For example, but still there are some problems in described high molecular polymerization blue phase liquid crystal, the problem of high driving voltage and magneto-band effect.
Summary of the invention
The embodiment of the present invention provides a kind of display panels and manufacture method thereof, and it,, by the high molecular polymerization network structure in viewing area, to show the liquid crystal molecule of liquid crystal in district, makes it be arranged as blue phase structure.
The embodiment of the present invention provides a kind of display panels, comprises the first transparent substrates, the second transparent substrates, high molecular polymerization network structure, liquid crystal and the first frame glue.The second transparent substrates is with respect to the first transparent substrates, and wherein the first transparent substrates has viewing area.High molecular polymerization network structure is arranged between the first transparent substrates and the second transparent substrates, and high molecular polymerization network structure is positioned at viewing area.Liquid crystal is arranged between the first transparent substrates and the second transparent substrates, and liquid crystal infiltrates in high molecular polymerization network structure.The first frame glue is arranged between the first transparent substrates and the second transparent substrates, and has gap between high molecular polymerization network structure and the first frame glue.
The embodiment of the present invention separately provides a kind of manufacture method of display panels, comprises the following steps.First, provide the first transparent substrates, the first transparent substrates has viewing area.Then, form high molecular polymerization network structure on the first transparent substrates, described high molecular polymerization network structure is positioned at viewing area.Then, form the first frame glue on the first transparent substrates, described the first frame glue is around viewing area.Then, liquid crystal is set on the first transparent substrates, described liquid crystal infiltrates in high molecular polymerization network structure.Moreover, the second transparent substrates is provided, described the second transparent substrates is with respect to this first transparent substrates.The first transparent substrates and the second transparent substrates fit by the first frame glue, with by sealing liquid crystal between the first transparent substrates and the second transparent substrates.Wherein high molecular polymerization network structure is in order to show the liquid crystal molecule of the liquid crystal in district, and has gap between high molecular polymerization network structure and the first frame glue.
In the manufacture method of the display panels providing in another embodiment of the present invention, the step of above-mentioned formation high molecular polymerization network structure comprises the following steps.First, initial liquid crystal layer is set on the first transparent substrates, described initial liquid crystal layer comprises initial liquid crystal and polymerization single polymerization monomer, and wherein initial liquid crystal is blue phase liquid crystal.Then, the initial liquid crystal layer in viewing area is carried out to polymer stabilising processing, make polymerization single polymerization monomer carry out polyreaction.Then, initial liquid crystal is located away to the first transparent substrates.
In sum, display panels and manufacture method thereof that the embodiment of the present invention proposes, by being formed at the high molecular polymerization network structure on the first transparent substrates, can break through the restriction of liquid crystal material, utilize general liquid crystal material in display panel processing procedure, acquisition can manifest the characteristic of blue phase.
For enabling further to understand feature of the present invention and technology contents, refer to following about detailed description of the present invention and accompanying drawing, but these explanations with appended graphic be only for the present invention is described, but not claim scope of the present invention is done to any restriction.
Brief description of the drawings
Figure 1A is the schematic top plan view of the display panels of one embodiment of the invention.
The diagrammatic cross-section of display panels in Figure 1B to Fig. 1 D demonstration Figure 1A in manufacture process.
Fig. 2 is the process step figure of the manufacture method of the display panels of one embodiment of the invention.
The diagrammatic cross-section of the display panels of Fig. 3 A to Fig. 3 C demonstration another embodiment of the present invention in manufacture process.
The diagrammatic cross-section of the display panels of Fig. 4 A to Fig. 4 E demonstration another embodiment of the present invention in manufacture process.
The schematic top plan view of the display panels of Fig. 4 F demonstration Fig. 4 C in manufacture process.
The diagrammatic cross-section of the display panels of Fig. 5 A to Fig. 5 F demonstration another embodiment of the present invention in manufacture process.
The diagrammatic cross-section of the display panels of Fig. 6 A to Fig. 6 B demonstration another embodiment of the present invention in manufacture process.
[main element symbol description]
100 display panels
110 first transparent substrates
111 viewing areas
120 second transparent substrates
130 high molecular polymerization network structures
140 liquid crystal
150 first frame glue
160 conducting terminals
170 initial liquid crystal layers
180 the 3rd transparent substrates
181,181 ' release layer
190 second frame glue
C line of cut
D gap
M shade
S1 ~ S5 step
Embodiment
(embodiment of display panels 100 and manufacture method thereof)
Please refer to Figure 1A and Figure 1B to Fig. 1 D, Figure 1A is the schematic top plan view of the display panels 100 of one embodiment of the invention, and Figure 1B to Fig. 1 D shows display panels 100 in Figure 1A diagrammatic cross-section in manufacture process.As shown in Figure 1B and Fig. 1 D, display panels 100 comprises the first transparent substrates 110, the second transparent substrates 120, high molecular polymerization network structure 130, liquid crystal 140 and the first frame glue 150.The second transparent substrates 120 is with respect to the first transparent substrates 110, and wherein the first transparent substrates 110 has viewing area 111.
High molecular polymerization network structure 130 is arranged between the first transparent substrates 110 and the second transparent substrates 120, and high molecular polymerization network structure 130 is positioned at viewing area 111.Liquid crystal 140 is arranged between the first transparent substrates 110 and the second transparent substrates 120, and liquid crystal 140 infiltrates in high molecular polymerization network structure 130.The first frame glue 150 is arranged between the first transparent substrates 110 and the second transparent substrates 120, liquid crystal 140 is sealed between the first transparent substrates 110 and the second transparent substrates 120.High molecular polymerization network structure 130 is in order to show the liquid crystal molecule of the liquid crystal 140 in district 111, and has clearance D between high molecular polymerization network structure 130 and the first frame glue 150.
First, the first transparent substrates 110 and the second transparent substrates 120 are provided, the first transparent substrates 110 is relative with the second transparent substrates 120, and between the first transparent substrates 110 and the second transparent substrates 120 apart from being for example 2 microns to 100 microns, (Micrometer, μ m).The first transparent substrates 110 or the second transparent substrates 120 can use the alkali-free glass substrates such as such as alumina silicate glass, aluminium borosilicate glass, barium borosilicate glass, also can use for example quartz base plate, ceramic substrate or plastic base.In other embodiment, the first transparent substrates 110 or the second transparent substrates 120 also can be soft or flexible substrate.On the first transparent substrates 110 or the second transparent substrates 120, can be provided with the such as element such as pixel or transistor.
In the present embodiment, the first transparent substrates 110 is for example active component array base board, on the first transparent substrates 110, is for example formed with thin film transistor (TFT) array and protective seam.On protective seam, can there is conductive layer, for example indium oxide layer of tin, protective layer used with protective film transistor array, and can be in order to the surface of planarization thin film transistor (TFT) array.The second transparent substrates 120 is for example colored optical filtering substrates, and the second transparent substrates 120 surfaces can have colored filter pattern layers (scheming not shown) and common electrode layer (scheming not shown), and common electrode layer is arranged in colored filter pattern layers.It is worth mentioning that, in other embodiment, the first transparent substrates 110 can be colored optical filtering substrates, and the second transparent substrates 120 can be active component array base board.The kind of the first transparent substrates 110 and the second transparent substrates 120 is that those skilled in the art can determine according to actual demand, therefore embodiments of the invention do not limit.
The first transparent substrates 110 has the first photic zone (scheming not shown), and wherein the light of backlight can penetrate the first photic zone.For example, in the present embodiment, on the first local transparent substrates 110, can be coated with reflector layer (scheming not shown), make the uncoated region that has reflector layer become the first photic zone, and the first transparent substrates 110 is separated out to the first photic zone and echo area (scheming not shown).Echo area can be used to reflect the ambient light of external environment institute incident, and makes the light of backlight cannot penetrate reflector layer, and shines in external environment.
Similarly, the second transparent substrates 120 has the second photic zone, and wherein the light of backlight can penetrate the second photic zone.The second photic zone is corresponding to the first photic zone, and the first photic zone 101 is for example positioned at the middle position of the first transparent substrates 110, and the second photic zone 102 is for example positioned at the middle position of the second transparent substrates 120.The first photic zone 101 and the second photic zone 102 define viewing area 111 jointly.Viewing area 111, shape, size and the setting position of viewing area 111 can be according to the pixel portion on the second transparent substrates 120 and scan line drive circuit and designed, and for example viewing area 111 can be corresponding to pixel portion and the scan line drive circuit on the second transparent substrates 120.As shown in Figure 1B to 1D, in the present embodiment, viewing area 111 is positioned at the middle position of the first transparent substrates 110.
Then, form high molecular polymerization network structure 130 on the first transparent substrates 110, wherein high molecular polymerization network structure 130 is to be positioned at viewing area 111.High molecular polymerization network structure 130 is the high molecular polymer for being formed by polymerization single polymerization monomer polymerization for example, and polymerization single polymerization monomer is for example non-liquid crystal liquid crystal property monomer or liquid crystal liquid crystal property monomer.For example, high molecular polymerization network structure 130 can be formed by photopolymerization reaction or heat polymerization by non-liquid crystal liquid crystal property monomer.Non-liquid crystal liquid crystal property monomer is the monomer for containing bar-shaped molecular configuration for example, and non-liquid crystal liquid crystal property monomer for example for containing the monomer of the polymerism bases such as acryloyl group, methacryl, vinyl, epoxy radicals, fumaric acid ester group, cinnamyl (cinnamoyl) in molecular configuration.And described bar-shaped molecular configuration is for example at xenyl or xenyl., then there is the molecular configuration of alkyl, cyano group, fluorine the end of cyclohexyl.
Liquid crystal liquid crystal property monomer for example self shows liquid crystal liquid crystal property monomer for what contain the bar-shaped or plate skeleton such as phenyl or cyclohexyl, or with other molecular mixing to show the liquid crystal liquid crystal property monomer of liquid crystal liquid crystal property.Specifically, polymerization single polymerization monomer can together participate in polyreaction with crosslinking chemical, and forms high molecular polymerization network structure 130.Described crosslinking chemical is for example the compound of liquid crystal liquid crystal property or non-liquid crystal liquid crystal property, and the polymerization single polymerization monomer that uses of described crosslinking chemical correspondence, has the reactive moieties that can be incorporated into polymerization single polymerization monomer.
Then, form the first frame glue 150 on the first transparent substrates 110, for example, can on the first transparent substrates 110 surfaces that are provided with high molecular polymerization network structure 130, form the first frame glue 150 by the mode of coating.As shown in Figure 1A, in the present embodiment, the first frame glue 150 is the framework of four directions annular, and the first frame glue 150 is around viewing area 111.Shape, size and the setting position of the first frame glue 150 is that those skilled in the art can design according to actual demand, for example, design according to shape, size and the setting position of viewing area 111, therefore the present embodiment does not limit.It is worth mentioning that to there is clearance D between high molecular polymerization network structure 130 and the first frame glue 150.In the present embodiment, the first frame glue 150 of four directions annular is around viewing area 111, and has the roughly clearance D of four directions annular with high molecular polymerization network structure 130, and the width of clearance D is for example 1 micron to 100 microns.That is to say, be positioned at the high molecular polymerization network structure 130 of viewing area 111 and the minor increment of the first frame glue 150 and be substantially equal to the width of clearance D.
The first frame glue 150 for example by epikote, the thermohardening type resin such as esters of acrylic acid (acrylic acid-ammonia ester) resin formed.In other embodiment, the first frame glue 150 is for example also formed with gel-type resin by containing bright vinyl resin and epikote etc. photo-thermal, photo-thermal also refers to by light irradiation and carries out precuring with gel-type resin, then carries out completely crued resin by thermal treatment.For example, the stickiness of the first frame glue 150 is for example 200 to 450 Pascal second (Pa sec) (25 DEG C), liquid crystal 140 can be sealed between the first transparent substrates 110 and the second transparent substrates 120.What deserves to be explained is, the stickiness of the first frame glue 150 refers to the stickiness of the first frame glue 150 before being arranged between the first transparent substrates 110 and the second transparent substrates 120.In addition, for example can use rotational viscometer, falling ball viscometer or capillary viscometer etc. to measure the stickiness of the first frame glue 150.In addition, in other embodiment, the first frame glue 150 also can comprise filler.
Then, liquid crystal 140 is set on the first transparent substrates 110, and liquid crystal 140 infiltrates in high molecular polymerization network structure 130.In the present embodiment, can pass through liquid crystal drop process (one drop fill, ODF) liquid crystal 140 is splashed in the first transparent substrates 110 surface that is provided with high molecular polymerization network structure 130 upper, and liquid crystal 140 can by 150, the first frame glue around.Liquid crystal molecule in liquid crystal 140 is for example thermotropic liquid crystal molecule, low molecular weight liquid crystal molecule, polymer liquid crystal molecule, ferroelectric liquid crystal molecule or Antiferroelectric liquid crystal molecule.In other embodiment, the liquid crystal molecule in liquid crystal 140 also can be blue phase liquid crystal molecule.
It is worth mentioning that, the liquid crystal molecule of the liquid crystal 140 in viewing area 111 can infiltrate in high molecular polymerization network structure 130, and high molecular polymerization network structure 130 is in order to show the liquid crystal molecule of the liquid crystal 140 in district 111.Furthermore, liquid crystal molecule in viewing area 111 can partly and/or all be dispersed in network structure, that is to say, the part in liquid crystal molecule can part and/or all by network structure orientation, the other parts in liquid crystal molecule can be positioned between network structure.For example, high molecular polymerization network structure 130 can make the Liquid Crystal Molecules Alignment of the interior liquid crystal 140 in viewing area 111 for turning round layer and waiting between phase, and makes the liquid crystal 140 in viewing area 111 turn round layer and wait to manifesting blue phase between phase.
Then, the second transparent substrates 120 contrapositions are covered on the first transparent substrates 110 that is provided with high molecular polymerization network structure 130, liquid crystal 140 and the first frame glue 150, and the first transparent substrates 110 and the second transparent substrates 120 are fitted by the first frame glue 150.By this, liquid crystal 140 is sealed between a transparent substrates 110 and the second transparent substrates 120, and completes display panels 100.Moreover, go back thermal curable or photocuring the first frame glue 150, the first transparent substrates 110 and the second transparent substrates 120 are fitted tightly.Moreover display panels 100 can be via cutting, and coordinate as the element such as flexible printed wiring board or housing, use as liquid crystal indicator.
In addition, in the present embodiment, the order of above-mentioned steps is that those of ordinary skill in the art can design according to actual demand, therefore the present embodiment does not limit.For example, in the present embodiment, also can first the second transparent substrates 120 contrapositions be covered in to the first transparent substrates 110 that is provided with high molecular polymerization network structure 130, then liquid crystal 140 is filled between the first transparent substrates 110 and the second transparent substrates 120.For example can liquid crystal 140 be injected between the first transparent substrates 110 and the second transparent substrates 120 and be sealed by Liquid crystal pour sealing device, liquid crystal 140 is sealed between the first transparent substrates 110, the second transparent substrates 120 and the first frame glue 150, and complete display panels 100.
In the present embodiment, display panels 100 also can comprise at least one conducting terminal 160, and conducting terminal 160 is arranged on the first transparent substrates 110 and is positioned at the first frame glue 150 peripheries.Conducting terminal 160 is in order to be electrically connected at turntable driving line (scheming not shown) and the data-driven line (scheming not shown) in viewing area 111, and outside electrical signals can be inputted conducting terminal 160.For example, multiple conducting terminals 160 can be all conductive pattern layer and form, and the turntable driving line in viewing area 111 and data-driven line can extend to respectively outside viewing area 111, and multiple conducting terminals 160 can correspond respectively to described elongated end to be electrically connected.It is worth mentioning that, as shown in Figure 1A, owing to having clearance D between high molecular polymerization network structure 130 and the first frame glue 150, and conducting terminal 160 is positioned at the first frame glue 150 peripheries, therefore, conducting terminal 160 can avoid the high molecular polymerization network structure 130 in shown district 111 to cover.In the present embodiment, the minor increment of the high molecular polymerization network structure 130 in conducting terminal 160 and viewing area 111 is substantially equal to the width of clearance D, and the width of clearance D is for example 1 micron to 100 microns.
Above-described embodiment can be summarized a kind of manufacture method of display panels 100, please refer to Fig. 2, and Fig. 2 is the process step figure of the manufacture method of the display panels 100 of one embodiment of the invention.In sum, the manufacture method of the display panels 100 of the one embodiment of the invention as shown in the second figure comprises the following steps: provide the first transparent substrates 110, the first transparent substrates 110 to have viewing area 111(step S1); Form high molecular polymerization network structure 130 on the first transparent substrates 110, described high molecular polymerization network structure 130 is positioned at viewing area 111 (step S2); Form the first frame glue 150 on the first transparent substrates 110, described the first frame glue 150 is around viewing area 111(step S3); Liquid crystal 140 is set on the first transparent substrates 110, described liquid crystal 140 infiltrates in high molecular polymerization network structure 130(step S4); The second transparent substrates 120 is provided, the second transparent substrates 120 is with respect to the first transparent substrates 110, the first transparent substrates 110 and the second transparent substrates 120 fit by the first frame glue 150, liquid crystal 140 is sealed between the first transparent substrates 110 and the second transparent substrates 120, wherein high molecular polymerization network structure 130 is in order to show the liquid crystal molecule of the liquid crystal 140 in district 111, and has clearance D (step S5) between high molecular polymerization network structure 130 and the first frame glue 150.
(embodiment of the manufacture method of display panels 100)
Please refer to Fig. 3 A to Fig. 3 C, the diagrammatic cross-section of the display panels 100 of Fig. 3 A to Fig. 3 C demonstration another embodiment of the present invention in manufacture process, the manufacture method of the display panels 100 of this embodiment is roughly similar to previous embodiment, and is only elaborated for the difference between the present embodiment and previous embodiment below.By describing the method that forms high molecular polymerization network structure 130 in detail, first, as shown in Figure 3A, initial liquid crystal layer 170 is set on the first transparent substrates 110 below, wherein initial liquid crystal layer 170 comprises initial liquid crystal and polymerization single polymerization monomer.Wherein initial liquid crystal is blue phase liquid crystal, for example, 5CB(4-n-pentyl-4'-cyanobiphenyl base that initial liquid crystal is for example manufactured for including JC-1041XX liquid crystal that Chisso company manufactures or Aldrich company, 4-cyano-4'-pentylbiphenyl) liquid crystal material of liquid crystal.Or initial liquid crystal is for example for including 5OCB(4-carbonitrile, 4'-pentyIoxy-1,1'-biphenyl) liquid crystal, 8OCB(4-(n-octyloxy)-4'-cyanobiphenyl) liquid crystal or 5CT(4-carbonitrile-4 " pentyl-1; 1'; 4', 1 " terphenyl) liquid crystal material of liquid crystal.Polymerization single polymerization monomer can be in order to carry out subsequent polymerisation reaction, polymerization single polymerization monomer is for example acrylic acid-ethylhexyl ester (ethylhexyl acrylate, the PLC polymerization single polymerization monomer of the C12A polymerization single polymerization monomer of the DA polymerization single polymerization monomer that EHA), trimethylolpropane triacrylate (trimethylolpropane triacrylate, TMPTA), Wako company manufacture, the RM257 polymerization single polymerization monomer that Merck company manufactures, the manufacture of Wako company, the C12M polymerization single polymerization monomer that Wako company manufactures, the manufacture of Chisso company, the PLCM polymerization single polymerization monomer that Chisso company manufactures or above-mentioned mixing.
Particularly, can blue phase liquid crystal molecule, polymerization single polymerization monomer, Photoepolymerizationinitiater initiater, active liquid wafer (Reactive Mesogen will be included, RM) and the potpourri of solvent be covered on the first transparent substrates 110 in wet type coating (Wet-coating) mode, to form initial liquid crystal layer 170.Above-mentioned wet type coating method can cover processing procedure, netted covering processing procedure or scraper for coating processing procedure by for example rotary coating process, meniscus.
As shown in Figure 3 B, then, the initial liquid crystal layer 170 in viewing area 111 is carried out to polymer stabilising processing, make polymerization single polymerization monomer carry out polyreaction, to form high molecular polymerization network structure 130.Particularly, can the initial liquid crystal layer 170 of irradiation light in viewing area 111, make polymerization single polymerization monomer carry out polyreaction.That is to say, light that can be by the initial liquid crystal layer 170 in viewing area 111 being irradiated to specific wavelength is to carry out polymer stabilising processing.In the present embodiment, can be by controlling the temperature of initial liquid crystal layer 170 and presenting under the state of blue phase initial liquid crystal layer 170 irradiating ultraviolet light in viewing area 111 at initial liquid crystal layer 170, to carry out polymer stabilising processing, and can produce polymer-stabilized blue phase liquid crystal (polymer stabilized blue phase liquid crystal) after including initial liquid crystal layer 170 reaction of initial liquid crystal and polymerization single polymerization monomer.
Please refer to Fig. 3 B, can place shade in the first transparent substrates 110 tops, carry out ultraviolet photoetching processing procedure by shade, wherein the opening of shade only exposes the viewing area 111 of the first transparent substrates 110.By this, ultraviolet light is exposed to the initial liquid crystal layer 170 in viewing area 111, can make the polymerization single polymerization monomer of the interior initial liquid crystal layer 170 in viewing area 111 carry out polymerization, to form in the initial liquid crystal layer 170 of network structure in viewing area 111.It is worth mentioning that, in the present embodiment, above-mentioned exposure manufacture process can carry out in nitrogen gas environment, for example, can in the cavity that is filled with nitrogen gas, carry out.In addition, when carrying out above-mentioned exposure manufacture process, also can control environment temperature, carry out polyreaction in order to polymerization single polymerization monomer.
Finally, as shown in Figure 3 C, initial liquid crystal is located away to the first transparent substrates 110, and complete, high molecular polymerization network structure 130 is formed to the step in the viewing area 111 of the first transparent substrates 110.In the present embodiment, can, by being provided with initial liquid crystal layer 170 and being soaked in solvent through the first transparent substrates 110 of irradiation light, initial liquid crystal be dissolvable in water in described solvent, wherein high molecular polymerization network structure 130 is not dissolved in described solvent.Then, remove described solvent initial liquid crystal is located away to the first transparent substrates 110.The mode of above-mentioned removal solvent for example can make solvent evaporates by heating the first transparent substrates 110, by this, is dissolved in initial liquid crystal in described solvent separable in the first transparent substrates 110.All the other processing procedure details in Fig. 3 A to Fig. 3 C are as described in Figure 1A, and those skilled in the art should know its embodiment easily by inference, do not add and repeat at this.
(another embodiment of the manufacture method of display panels 100)
Please refer to Fig. 4 A to Fig. 4 F, the diagrammatic cross-section of the display panels 100 of Fig. 4 A to Fig. 4 E demonstration another embodiment of the present invention in manufacture process, and the schematic top plan view of the display panels 100 of Fig. 4 F demonstration Fig. 4 C in manufacture process.The manufacture method of the display panels 100 of this embodiment is roughly similar to previous embodiment, and is only elaborated for the difference between the present embodiment and previous embodiment below.
As shown in Figure 4 A, the manufacture method of the display panels 100 of the present embodiment is after providing the step of the first transparent substrates 110, and before the step of initial liquid crystal layer 170 is set, also comprise and the second frame glue 190 is set on the first transparent substrates 110, wherein the second frame glue 190 is around viewing area 111.As shown in Fig. 4 F, in the present embodiment, the second frame glue 190 is the framework of four directions annular, and is positioned at viewing area 111 around.Further, the second frame glue 190 is positioned at the periphery of conducting terminal 160.The material that forms the second frame glue 190 can be similar to the material that forms the first frame glue 150, is that those skilled in the art can design according to actual demand, therefore the present embodiment does not limit.
Moreover the manufacture method of the display panels 100 of the present embodiment, after the step of initial liquid crystal layer 170 is set, also comprises the 3rd transparent substrates 180 is provided, wherein the 3rd transparent substrates 180 is with respect to the first transparent substrates 110.The first transparent substrates 110 and the 3rd transparent substrates 180 fit by the second frame glue 190, to seal initial liquid crystal layer 170 between the first transparent substrates 110 and the 3rd transparent substrates 180.The 3rd transparent substrates 180 can use the alkali-free glass substrates such as such as alumina silicate glass, aluminium borosilicate glass, barium borosilicate glass, also can use for example quartz base plate, ceramic substrate or plastic base.
Then, as shown in Figure 4 B, ultraviolet light is exposed to the initial liquid crystal layer 170 in viewing area 111, can make the polymerization single polymerization monomer of the interior initial liquid crystal layer 170 in viewing area 111 carry out polymerization, to form in the initial liquid crystal layer 170 of network structure in viewing area 111.Then,, please also refer to Fig. 4 B and Fig. 4 F, as shown in the figure, cut the first transparent substrates 110 and the 3rd transparent substrates 180 along line of cut, so that the second frame glue 190 is located away to initial liquid crystal layer 170.Wherein line of cut is between viewing area 111 and the second frame glue 190, and further, line of cut is positioned at the periphery of conducting terminal 160.In the present embodiment, can lead to cutter cutting processing procedure (blade sawing process) or cut processing procedure cuts, to separate the second frame glue 190.
Again, as shown in Figure 4 D, the 3rd transparent substrates 180 is located away to initial liquid crystal layer 170, in order to the follow-up step that initial liquid crystal is located away to the first transparent substrates 110.It is worth mentioning that, the 3rd transparent substrates 180 can be provided with release layer 181 with respect to the surface of the first transparent substrates 110.Release layer 181, in order to reduce contacting of high molecular polymerization network structure 130 and the 3rd transparent substrates 180, in the time that the 3rd transparent substrates 180 is located away to initial liquid crystal layer 170, avoids in the lump high molecular polymerization network structure 130 being located away from the first transparent substrates 110.Particularly, in the present embodiment, release layer 181 is greater than the adhesion of release layer 181 to high molecular polymerization network structure 130 to the adhesion of the 3rd transparent substrates 180.Therefore,, in the time that the 3rd transparent substrates 180 is located away to initial liquid crystal layer 170, release layer 181 can be attached to the 3rd transparent substrates 180 and be located away from initial liquid crystal layer 170.Release layer 181 can be formed by single or multiple lift film, can be arranged at the 3rd transparent substrates 180 apparent surfaces by the mode of plating, attaching or electrostatic attraction.All the other processing procedure details in Fig. 4 A to Fig. 4 F are as described in Figure 1A, and those skilled in the art should know its embodiment easily by inference, do not add and repeat at this.
(another embodiment of the manufacture method of display panels 100)
Please refer to Fig. 5 A to Fig. 5 F, the diagrammatic cross-section of the display panels 100 of Fig. 5 A to Fig. 5 F demonstration another embodiment of the present invention in manufacture process.The manufacture method of the display panels 100 of this embodiment is roughly similar to previous embodiment, and is only elaborated for the difference between the present embodiment and previous embodiment below.
In the present embodiment, the step that the 3rd transparent substrates 180 is located away to initial liquid crystal layer 170 comprises dissolving release layer 181 '.Release layer 181 ' is for example water-soluble film, can first the first transparent substrates 110 and the 3rd transparent substrates 180 be soaked in to aqueous solution to dissolve release layer 181 '.Because high molecular polymerization network structure 130 is not dissolved in aqueous solution, by this, between the 3rd transparent substrates 180 and high molecular polymerization network structure 130, be formed with a spacing distance, to reduce contacting of the 3rd transparent substrates 180 and high molecular polymerization network structure 130.Therefore,, in the time that the 3rd transparent substrates 180 is located away to initial liquid crystal layer 170, can avoid in the lump high molecular polymerization network structure 130 being located away from the first transparent substrates 110.
In addition, please refer to Fig. 6 A to Fig. 6 B, the diagrammatic cross-section of the display panels 100 of Fig. 6 A to Fig. 6 B demonstration another embodiment of the present invention in manufacture process.Water-soluble release layer 181 ' may extend to the second frame glue 190.The first transparent substrates 110 and the 3rd transparent substrates 180 are soaked in to aqueous solution with after release layer 181 ' is removed, between the 3rd transparent substrates 180 and the first frame glue 150, are formed with a spacing distance.By this, in the time that the 3rd transparent substrates 180 is located away to initial liquid crystal layer 170, the 3rd transparent substrates 180 is separable in the first frame glue 150.All the other processing procedure details in Fig. 5 A to Fig. 5 F are as described in Figure 1A, and those skilled in the art should know its embodiment easily by inference, do not add and repeat at this.
In addition, in other embodiment, forming in the step of high molecular polymerization network structure 130 on the first transparent substrates 110, can comprise and first form high molecular polymerization network structure 130, then high molecular polymerization network structure 130 is arranged on the first transparent substrates 110.Specifically, can first high molecular polymerization network structure 130 be formed on a temporary base, and described temporary base is for example release plate.For example, initial liquid crystal layer 170 can be set on described temporary base, and initial liquid crystal layer 170 is carried out to polymer stabilising processing, make polymerization single polymerization monomer carry out polyreaction, to form high molecular polymerization network structure 130 on described temporary base.Then, can be by release high molecular polymerization network structure 130 in described temporary base, then high molecular polymerization network structure 130 is attached on the first transparent substrates 110.
In other embodiment, also can first high molecular polymerization network structure 130 be formed between two temporary bases, and described two temporary bases are for example all release plate.Particularly, initial liquid crystal layer 170 can be set between described two temporary bases, and initial liquid crystal layer 170 is carried out to polymer stabilising processing, to form high molecular polymerization network structure 130 between described two temporary bases.Then, can be by release high molecular polymerization network structure 130 in described two temporary bases, then high molecular polymerization network structure 130 is attached on the first transparent substrates 110.It is worth mentioning that, described temporary base or high molecular polymerization network structure 130 can be flexible film shape, and can deposit in order to furl.
In addition, in other embodiment, also can write processing procedure (Laser Addressing) to form high molecular polymerization network structure 130 by laser.Particularly, can first provide original template, described original template is for example formed by macromolecule polymeric material.But the material that forms described original template is that those skilled in the art can design according to actual demand, therefore embodiments of the invention do not limit.Then, can carry out laser engraving to described original template according to required three-D pattern, with original template described in patterning, form by this high molecular polymerization network structure 130.Described original template or high molecular polymerization network structure 130 can be flexible film shape, and can deposit in order to furl.Moreover, high molecular polymerization network structure 130 can be attached on the first transparent substrates 110, to form high molecular polymerization network structure 130 on the first transparent substrates 110.
In addition, in other embodiment, also can be by intaglio printing (gravure printing), lithography (offset printing), serigraphy (silk screen printing), ink jet printing (ink-jet printing) or other printing process to form high molecular polymerization network structure 130.For example, can lead to ink jet printing processing procedure by material stacks to the first transparent substrates 110 in order to form high molecular polymerization network structure 130, described stacking procedure can carry out according to required three-D pattern, to form high molecular polymerization network structure 130 on the first transparent substrates 110.
In other embodiment, also can by ink jet printing processing procedure by the material stacks in order to form high molecular polymerization network structure 130 to temporary base, to form high molecular polymerization network structure 130 on described temporary base, described temporary base is for example release plate.Then, can be by release high molecular polymerization network structure 130 in described temporary base, then high molecular polymerization network structure 130 is attached on the first transparent substrates 110.In the present embodiment, the described temporary base or the high molecular polymerization network structure 130 that are formed with high molecular polymerization network structure 130 can be flexible film shape, and can deposit in order to furl.
In addition, in other embodiment, also can be by interferometric method (Interference lithography) to form high molecular polymerization network structure 130.Specifically, high molecular polymerization network structure 130 materials of eurymeric sensing optical activity can be coated on the first transparent substrates 110, and the photoresistance film of formation predetermined thickness.Then, make the first transparent substrates 110 that is provided with photoresistance film accept two road beam interference exposure, for example, can pass through to produce interfering beam from same light source Er road light beam, and described interfering beam is irradiated in being provided with on the first transparent substrates 110 of photoresistance film.Because described interfering beam irradiates the light intensity difference on the first transparent substrates 110, and the light intensity distributions that described interfering beam irradiates on the first transparent substrates 110 is that those skilled in the art can design according to required three-D pattern, photoresistance film described in patternable by this, to form high molecular polymerization network structure 130 on the first transparent substrates 110.
In addition, in other embodiment, also can be by nanometer transfer printing processing procedure (nanoimprinting) to form high molecular polymerization network structure 130.Particularly, can first write processing procedure, printing process or interferometric method to form the transfer printing template with three-D pattern by laser as above, and described transfer printing template can reuse.Then, be stamped thing (imprint resist) by described transfer printing template with patterning, for example, the liquid thing that is stamped can be arranged on the first transparent substrates 110, and then described transfer printing template is impressed in being stamped on thing with suitable pressure.The described thing that is stamped for example includes polymerization single polymerization monomer, and the high molecular polymer that can form with polymerization by irradiation light in transfer printing processing procedure, to form high molecular polymerization network structure 130 on the first transparent substrates 110.
(the possible effect of the embodiment of the assemble method of circuit board group assembling system)
In sum, the embodiment of the present invention provides a kind of display panels 100 and manufacture method thereof, by the high molecular polymerization network structure 130 in viewing area 111, to show the liquid crystal molecule of the interior liquid crystal 140 in district 111, can make the liquid crystal molecule of the interior liquid crystal 140 in viewing area 111 manifest blue phase.Described display panels 100 and manufacture method thereof are by being formed at the high molecular polymerization network structure 130 on the first transparent substrates 110, can break through the restriction of liquid crystal material, utilize general liquid crystal material in display panel volume production processing procedure, acquisition can manifest the characteristic of blue phase.Moreover described display panels 100 and manufacture method thereof be by the clearance D between high molecular polymerization network structure 130 and the first frame glue 150, can avoid high molecular polymerization network structure 130 in viewing area 111 to hinder the electric connection of conducting terminal 160.
The foregoing is only embodiments of the invention, it is not in order to limit scope of patent protection of the present invention.Any those of ordinary skill in the art, not departing from spirit of the present invention and scope, the change of doing and the equivalence of retouching are replaced, and are still in scope of patent protection of the present invention.
Claims (10)
1. a display panels, is characterized in that, comprising:
The first transparent substrates, has viewing area;
The second transparent substrates, with respect to described the first transparent substrates;
High molecular polymerization network structure, be arranged between described the first transparent substrates and described the second transparent substrates, and described high molecular polymerization network structure is positioned at described viewing area;
Liquid crystal, is arranged between described the first transparent substrates and described the second transparent substrates, and described liquid crystal infiltrates in described high molecular polymerization network structure; And
The first frame glue, is arranged between described the first transparent substrates and described the second transparent substrates;
Wherein, between described high molecular polymerization network structure and described the first frame glue, there is gap.
2. display panels according to claim 1, is characterized in that, also comprises at least one conducting terminal, is arranged on described the first transparent substrates, and described conducting terminal is positioned at the periphery of described the first frame glue.
3. a manufacture method for display panels, is characterized in that, comprising:
The first transparent substrates is provided, and described the first transparent substrates has viewing area;
On described the first transparent substrates, form high molecular polymerization network structure, described high molecular polymerization network structure is positioned at described viewing area;
On described the first transparent substrates, form the first frame glue, described the first frame glue is around described viewing area;
Liquid crystal is arranged on described the first transparent substrates, and described liquid crystal infiltrates in described high molecular polymerization network structure; And
The second transparent substrates is provided, described the second transparent substrates is with respect to described the first transparent substrates, described the first transparent substrates and described the second transparent substrates fit by described the first frame glue, with by described sealing liquid crystal between described the first transparent substrates and described the second transparent substrates;
Wherein, described high molecular polymerization network structure is in order to arrange the liquid crystal molecule of the described liquid crystal in described viewing area, and has gap between described high molecular polymerization network structure and described the first frame glue.
4. the manufacture method of display panels according to claim 3, is characterized in that, the step that forms described high molecular polymerization network structure comprises:
Initial liquid crystal layer is arranged on described the first transparent substrates, and described initial liquid crystal layer comprises initial liquid crystal and polymerization single polymerization monomer, and wherein said initial liquid crystal is blue phase liquid crystal;
Described initial liquid crystal layer in described viewing area is carried out to polymer stabilising processing, make described polymerization single polymerization monomer carry out polyreaction; And
Described initial liquid crystal is separated with described the first transparent substrates.
5. the manufacture method of display panels according to claim 4, is characterized in that, the step of the described initial liquid crystal layer in described viewing area being carried out to polymer stabilising processing comprises in the described initial liquid crystal layer of irradiation light in described viewing area.
6. the manufacture method of display panels according to claim 5, is characterized in that, after the step that described the first transparent substrates is provided and before the step of described initial liquid crystal layer is being set, also comprises:
The second frame glue is set on described the first transparent substrates, and wherein said the second frame glue is around described viewing area; And
After the step of described initial liquid crystal layer is set, also comprise:
The 3rd transparent substrates is provided, described the 3rd transparent substrates is with respect to described the first transparent substrates, described the first transparent substrates and described the 3rd transparent substrates fit by described the second frame glue, with by described initial sealing liquid crystal between described the first transparent substrates and described the 3rd transparent substrates, wherein said the 3rd transparent substrates is provided with release layer with respect to the surface of described the first transparent substrates.
7. the manufacture method of display panels according to claim 6, is characterized in that, after the step of described irradiation light and before the step that described initial liquid crystal is separated with described the first transparent substrates, also comprises:
Cut described the first transparent substrates and described the 3rd transparent substrates along line of cut, so that described the second frame glue is separated with described initial liquid crystal layer, wherein said line of cut is between described viewing area and described the second frame glue; And
Described the 3rd transparent substrates is separated with described initial liquid crystal layer.
8. the manufacture method of display panels according to claim 7, is characterized in that, described release layer is greater than the adhesion of described release layer to described high molecular polymerization network structure to the adhesion of described the 3rd transparent substrates.
9. the manufacture method of display panels according to claim 7, is characterized in that, the step that described the 3rd transparent substrates is separated with described initial liquid crystal layer comprises dissolves described release layer.
10. the manufacture method of display panels according to claim 4, is characterized in that, described initial liquid crystal is comprised with the step that described the first transparent substrates separates:
Add solvent in described initial liquid crystal layer, described initial liquid crystal is dissolved in described solvent; And
Remove described solvent.
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| CN201210524291.5A CN103852932A (en) | 2012-12-07 | 2012-12-07 | Liquid crystal display panel and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210524291.5A CN103852932A (en) | 2012-12-07 | 2012-12-07 | Liquid crystal display panel and manufacturing method thereof |
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| CN109752879A (en) * | 2017-11-03 | 2019-05-14 | 北京大学 | A kind of electric-controlled light-regulating film of maskable near infrared light and preparation method thereof |
| CN115971008A (en) * | 2022-12-16 | 2023-04-18 | 富联裕展科技(深圳)有限公司 | Glue filling method and glue filling device |
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| JP2004198548A (en) * | 2002-12-16 | 2004-07-15 | Kawaguchiko Seimitsu Co Ltd | Polymer dispersed liquid crystal display device |
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| CN109752879A (en) * | 2017-11-03 | 2019-05-14 | 北京大学 | A kind of electric-controlled light-regulating film of maskable near infrared light and preparation method thereof |
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