JPS61500815A - How to fill liquid crystal cells - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] How to fill liquid crystal cells Background technology The present invention relates to the production of liquid crystal cells, and in particular to the continuous filling method ζ of liquid crystal cells (related to It is something.

Liquid crystal shallow water devices are widely applied in consumer goods and industrial products. Typical liquid crystal shallow water system The liquid A is enriched in a cell defined by two parallel plane plates, and this The plates are usually glass and are evenly spaced from each other by spacers/seals around the periphery. Preserve cIIiC.

Transparent electrodes are placed on opposite sides of the plate. , for example, to form multi-segment numeric or alphanumeric patterns. .

When a voltage potential is applied between selected electrodes, that is, segment electrodes, a liquid crystal material The optical properties of the quality are locally varied and the desired visual effect is immersed.

Manufacturing techniques in the US include preparing a transparent glass plate with electrodes attached, and Alignment layer, polarizer and reflector or transmissive reflector depending on the type of water entry device being constructed This includes preparing. The prepared plates limit the area around the liquid crystal cell and contain the liquid. They are bonded together using spacers/seals that control the thickness of the crystal layers. liquid crystal material There is not one inlet that must be filled by passing through and then closing the inlet to complete the injection. There are more than that.

This fabrication technique is quite time consuming and is generally reserved for high speed continuous fabrication techniques. is recognized as inappropriate.

The scope of application of liquid crystal shallow water equipment to existing or newly created products is constantly changing. As the industry continues to expand and become busier, more time- and cost-efficient manufacturing processes, especially cell Demand has arisen for filling processes. One approach to this and U.S. Grant No. 4,228.57 granted to Cu1le et al. As disclosed in No. 4, two sheets of M-shaped plastic with electrodes and an alignment layer are used. There is a method of leaking the pre-7 ohm strip (pre-formed strip) of the block. 2 plastics An adhesive sticker is placed on one side of the strip of stick and the plastic strip is 5 as the perimeter of each cell is defined when the cells are glued together. Contact Prior to assembly, individual amounts of liquid crystal material are placed on one strip, sealing and electrodes. Match the pattern and leave it at a temperature. After this, the two plastic strips are connected. A cell filled with liquid crystal is formed. Said Patent No. 4,228.574 According to the method disclosed in J. It is placed in a manner that matches the seal and electrode pattern of each cell. lol edge! (The position where the liquid crystal material was placed on the strip and the intended position on the strip If there is a discrepancy in the darkness, and/or if the amount of liquid crystal supplied is incorrect. In either case, it may cause poor cell filling or bubbles in the liquid crystal layer. become.

Summary of the invention Considering the above points, in the unfiled invention, it is necessary to fill the cell in one line with reliability. Liquid crystal injection method 5, which is also well suited for automatic high-speed production! : Provided by Ru.

According to the originating BA'g- of the present application, an elongated preform (pre-7 ohm strips are each electrically conductive). The type of display that is commercialized (C and C) is the alignment layer and complementary with other structures forming preformed pre-7 ohm strips, which are mutually 5 to form a complete cell structure when glued together. pre 7 ohm The strips represent the progress along each convergence path and the mutually engaged relationships established. I started taking it. The gaps between the converging strips will cause the strips to As each convergence path progresses to a mutually consistent relationship, an excessive amount of liquid crystal A sufficient amount of liquid crystal material is injected so that a supply of material is created and maintained. -After this , the preform strip is glued into a permanently sealed form, and the liquid crystal filled cell A strip-like assembly is completed. Between the strips of liquid crystal material maintain an excess amount of supply to the voids in the cell unit, i.e. Supplying an amount in excess of that required to completely fill the void to be cut , and the pre-7 ohm strip to ensure the preset convergence path 1c ((with , by effectively dispersing the liquid crystal material uniformly at 1 °C, eliminating air, i.e. If this is not possible, the air will be trapped between the strip-like assembly and each cell. The strip assembly allows for the removal of trapped air. The filled cells are then cut midway between each other to form individual cell units. Ru.

One embodiment of the pre-7 ohm strip converges as it progresses through the process. The mutually complementary sides of the strips face each other and are determined by the spacing between the rollers. It is passed between rollers that are spaced apart and rotate in opposite directions to ensure a gap between them. Ru. The liquid crystal material overflows into the gap defined by the two converging strips. B (floodecLnip) In other words, the application of the crystal material between the opposing surfaces of the strip. Sekiku I! Be sure to keep it on until the strip is between the rollers. In order to reliably inject the liquid crystal material during the passage through the It will be done.

From the above, the main purpose of non-invention is very effective automatic height, good (suitable) for quick production technology. , provides a method for injecting liquid crystal materials. Other objects and applicability of the invention The scope will be clarified in the detailed description that follows along with the accompanying figures. , similar elements or parts in the drawings are designated by similar reference numerals.

Brief description of the drawing FIG. 1 is a diagram schematically showing a production machine for liquid crystal injection according to the present invention; Figure 2 shows the first and second sheets of KA used in the production machine shown in Figure 1. FIG. 2 is a diagram showing a cross section f of a starting material strip; Figure 2A shows another type of one suitable for use in the production machine of Figure M1. This is a diagram showing a cross section of the second starting material strip; Figure 6 shows one of the strips from Figure 2A with spacers and adhesive stickers. Figure W, 3A is a partial view of the two starting material strips of Figure M2A. This is a detailed isometric perspective view of the spacer to maintain the gap; FIG. 4 is a diagram showing a modification of the production machine shown in FIG. 1.

FIG. 5 is an isometric perspective view of a production machine for injection of liquid crystal cells according to the invention; FIG. 86 is a side view of the production machine of FIG. 5.

The best form of invention According to the present invention, the liquid crystal cell is formed by forming a flexible strip of °C as the starting material. By processing it with the production machine shown in Figure 1, injection and molding becomes an efficient method. It will be held in As shown in the figure, the first and second strips S and and S' are processed along each processing path i (as will be explained in more detail below). , complementary pre-7 ohm strips P and y become one (C assembled and completed at °C). Forms a complete liquid crystal cell.

As shown in FIG. 2, the first and second starting material strips s, s' are , respectively, are flexible and inherently translucent polymers, e.g. 7 Talates or other polyesters, polyether sulfones, Holicar f$ - a substrate 10.10' made of wood, cellulose ester, or other material; may be included. The thickness of the substrate 10.1σ gives the final product iC a reasonable mechanical strength. Although it is necessary to have sufficient thickness for stomach. According to one of the five liquid crystal water injection devices manufactured by the method of the present invention, the substrate io, 1 o' is about 0.175 Jl earthquake (7 mil) thick and about 16 E wide.

The substrates io, io' are each treated to be coated with an abrasive layer 12, 12'. It will be done. The electrode layer 12.12' is typically made of an essentially translucent conducting material, e.g. pattern made of conductive materials such as indium oxide and indium-tin oxide. The pattern is first deposited on the substrate using various known techniques, such as vapor deposition, A uniform layer is formed by sputtering or other methods. Conductive’1i12.1 2' was later developed into a selective photoresist technique well known in the technical world. Processed into the desired pattern using the pinching method. Usually, multi-segment Manshiki Numbers and alphabets - matrix format consisting of number patterns, rows and columns patterns are created, but depending on the final use of the display device, special patterns may be created. You can also make it. Fig. 2 The starting material striso 7'S, S' drawn at It is suitable for exploding type display devices. Creating display devices with more complex effects As shown in Figure 2A, the starting material strips s, s' are , alignment layer 14, 14' and one of the two strips 1 (reflective layer or reflective transparent layer) Those with 16 are preferred. Alignment layer 14.14' may alternatively be made of polyvinyl resin. alcohol, polyamide polyvinylidene chloride, fluoride polymer or polyimide They were chosen to establish a preferential orientation for the liquid crystal molecules adjacent to each layer. Rubbed or buf-fed in the direction.

The required thickness of the alignment layer 14.14' is sufficient to obtain an alignment effect on the liquid crystal. is necessary, but does not require strictness. Usually 50 to 1500 ounces Strom thickness is considered to be sufficient.

Depending on the type of liquid crystal display device to be manufactured, the starting material Storinoys, , s/ Polarizing plate layer with appropriate @light angle, various protective coatings, anti-reflection coatings , an adhesive layer, and the like.

As shown in Figure 1 (C), using the starting material as shown in Figure 2A, / is a noliform (preform) along the path through the processing steps described below. The strips are processed into 5 to form strips p and p', and then combined into one in the injection process FS. Receive filling.

The starting material strip S is first aligned %14 of the starting material S in a preferred direction, e.g. In order to polish in a direction parallel to the longitudinal axis of the trip, the layer roll 100a and its Polishing process station 10 with 100 tl strip support It passes through 0 and becomes 5.

Similarly, the starting material strip 8' is aligned with the alignment layer 14' in a preferred orientation, usually with complementary equilibrium. The polishing roll i　o　a' is polished in the direction perpendicular to the alignment layer 14 in the , and a cooperating strip support 1001)'. 'Y is allowed to pass. Here the polarizing layer is incorporated into the strip and the polarizer The plane of polarization is aligned parallel or perpendicular to the preferred orientation of the alignment layer, respectively. Ru.

After finishing the polishing operation of the alignment layer 14.14' in the preferred orientation, the strip S' is It is directly advanced into the °C filling process VS by rotating the guide ruler G, while the strip The process S proceeds to a spacer attachment step 102. The spacer adhesion step 102 It has a labia cylinder 102a and a strip support base 102b cooperating therewith. Ru. The gravure cylinder 102a has a columnar spacer 18 attached to the strip S. Ru. As detailed in Figure 3A, each spacer 18 has a height dimension. h″ is typically 5 to 50 microns, preferably 8 to 12 microns, and approximately It has a diameter of 75 microns and has a diameter of 7d''.The height h'' is the height of the display assembly. is selected by controlling and maintaining the spacing between the strips s, s' of the liquid crystal layer. Make sure to keep the thickness of the ice <. The spacer 18 extends over the entire length of the strip S. When two strips are assembled in a uniform pattern on strip S, the strip It is layered on the side facing S'. Several-product cell created by the method of the present invention In one of the above, the spacers 18 are arranged vertically in a regular manner with a distance of 1000 microns between the middle nozzles b. and are attached in the form of a horizontal matrix. In addition, the spacer 18 is shown in FIG. 3A. It does not have to be cylindrical like (, frustoconical dots) or Something similar to that is also acceptable. Spacer 18 is a heat-soluble material such as polyamide. It is made from the raw materials of UV-Curable (ultraviolet image hardening) radiation-po'17meriZa It is also created from ble matar-1a1). For example, polymer starch The pacer element can be made of gravure or screen as in the case of thermofusible polymers. Simply applied by lean printing (cooled or UV-curable) (Ultraviolet light curing) undergoes a polymerization process as in the case of acrylic. Spacer 18 Use of radiation-polymerizable materials If desired, the material is planted on a strip S, which strip S The process proceeds to a curing step 104 where sufficient polymerization occurs to provide a permanent life span. A spacer 18 is formed. As an alternative to spacer 181C disclosed herein. ℃, strip S.

87 of sufficient diameter or other size to maintain the desired spacing between the The display device is connected using a liquid crystal material that is a mixture of sized rods, spheres, or fibers. It is also possible to come.

When the formation of the space 18 is completed, the strip S is attached to the gravure cylinder 106a. To the adhesive seal adhesion step 106, which has a strip support 106b cooperating therewith. and proceed. Perimeter seal for liquid crystal cell (perimeter6eal) 20 A layer of adhesive material is deposited on the strip S to form a .

One of the preferred liquid crystal display devices manufactured using the method of the present invention is shown in FIG. As shown in Figure 5, the pattern of adhesive stickers 20 is usually 9cm and 20cm each. A rectangle with length X'' and width Y, which are dimensions of 15α, and the width of the sealing surface It's about 9 to 12 days long. Adhesive sticker 20 is attached on strip S When placed, it is preferable that they be spaced apart from each other by 7 to 9 meters. The adhesive material heat-activatable solvent group base) polyester or vinyl polymer or a mixture thereof is desired. Precisely, the gravure cylinder 106a directly coats the strips fs. The spacers 18 are deposited between each other at a temperature of 18°C. If necessary, spacer 1 The gravure cylinder 102a to which the adhesive sticker 8 is attached is placed on the part where the adhesive sticker 20 should be placed. It is also possible to arrange the spacers in an appropriate pattern.

In this way, π and ℃, the starting material strips B and S' are completed liquid crystal cells? I'll form it 5° C. to form complementary strips P, P'.

As shown in FIG. Noriform strips P' are guided by guide roller G1/ and proceed through the respective convergent paths through the injection step FSi/(directed into it).

In the injection process FI9, there are first and second wrinkles that face each other and rotate in opposite directions. Roller (5queeze roller) G2, G2', pre-7 Ohm strips p, y are roller G2. When passing between G2', please be careful of the frowning faces facing each other. Min: C The rollers are placed at a set distance apart so that the C force is applied and they become integrated. There is. The liquid crystal supply station 108 is located directly above the gap between the rows 2. It includes a supply nozzle N connected to the supply device 108aK by a conduit IQgb.

The flow control sweat (not shown) is the nip gap (not shown) from the nozzle N. This is to control the flow rate of liquid crystal to ). Two pre-7ohm strips , 7''P, P' engage each other towards the rollers G2.G2' so that they are forming an engaging nip;

Is the liquid crystal supply device 108 a flow of liquid crystal material LC? , between the converging strips p, p’ In the resulting gap (C1 liquid crystal material is supplied between the 7 ohm strips) (supply a sufficient amount so that the CC flood gap It is designed to form and maintain a state of "dnip").

Special liquid crystal materials or mixtures thereof are used depending on the end use of the display device. Ru. The viscosity of the material was selected to be 5 to obtain appropriate flow characteristics within the gap, and the liquid crystal material The temperature of the material is adjusted to 5 to increase or decrease the viscosity as desired.

The flow rate of liquid crystal material from the supply nozzle to the cavity is influenced by many factors. However, there is a speed at which the preform strips P and P' move along their respective paths. , preforms) Number of cells per unit length of IJ, each cell (C required This includes the volume of liquid crystal material used.

Generally, the flow of liquid crystal material is low 2G2. The amount of liquid crystal material required between G2’ To maintain the supply state and to maintain the state in which the cavity is filled with liquid crystal material. must be sufficient. The liquid crystal material is preform strip p, Roller G2.p' rotates in opposite directions to each other. When passing between G2', it The liquid crystal is continuously injected into the gap between the supply nozzle N and the liquid crystal. In other ways, the liquid crystal material is Provided in discrete and incremental quantities within the void. can be provided.

For example, the feeder 108 is made into a gap (open when C is injected and then closed afterwards). You can also do that. The material in the void is used up to fill the cell! 5 days ago ((, The feeder 108 can be opened again and the process repeated.

The amount of material introduced in the Tanihama carp process depends on the factors mentioned above.

Two oppositely rotating rollers G2. The interval between G2' is such that each cell is on a continuous basis. The liquid crystal material injected into the two preform strips P and 1 fills the gap filled with liquid crystal material. They will be transported while maintaining the relationship set within the 5°C. space The sensor 18 maintains the spacing between the strips and thus controls the thickness of the liquid crystal layer. Ru. The engaged relationship of the filled cells applies heat to the heat activated adhesive seal 20 When the strips 70P and P' move forward at the lamination position 11°, the two prefs Forms p and y are maintained at 5 so that a permanent connection occurs.

Once the gluing is complete, the combined pump assembly is inserted into the guide o-, 7G3. ℃, the strip assembly proceeds to cell cutting step 112, where the strip assembly is cut into each light cell. The cells are cut transversely between and the cut cells are accumulated at a storage location 114.

In Figure 1, the preform strips P, P' are attached to two It is fed and passed by the roller G2゜02' rotating in the opposite direction at an almost right angle. do.

Although well known to those skilled in the art, the preform strips P, y can also be used directly. It is also possible to feed at an angle other than the angle; for example, in Figure 4, the arrangement is at a nearly horizontal angle. The case of columns is shown.

As a production machine that simulates a modification of the invention, five different ways of producing preform strips are proposed. Prior to matching the other complementary 7 ohm iC, perform sectioning and perform method 5. The production machinery for this purpose is shown in Figures 5 and 6. Figures 5 and 6 K IJAI, “C The method described below is based on the pattern of the !4 electrodes of each preform. A dot-matrix liquid crystal display with parallel conductive stripes and closely spaced conductive stripes. It is well suited for the production of equipment.

The conductor patterns are arranged perpendicularly to each other in the display assembly. addressable pixels defined by each alternation of a number of conductive stripes ( pixel).

As shown in FIG. 5, the continuous preform strip P is Pull-out device (not shown) at 200°C, pressure feeding in the direction indicated by the arrow 200K Served. Preform PiC consists of multiple Included is an electrode layer 12 made up of parallel, closely packed four-conductor stripes.

Similar to what was previously described with respect to Figure 2A, the preform P has a substrate and an alignment layer. The structure of the display device to be produced includes (℃, polarizing layer, adhesive layer, Also included are protective layers and/or antireflective layers and/or coatings.

One is above the other ((positioned °C, - set of oppositely rotating apertures) (compression ) The roller sides 202 and 204 are the aperture (pressure RM) roller a' in FIGS. 1 and 4. l, a2' are installed in a similar manner, and the preform P is placed on those rollers. pass between.

The liquid crystal supply nozzle N is placed above the preform P in front of the roller 2iJ2, 204. The preform PKH crystal material is supplied as described above at a temperature of 10°C. Noz N is the supply device described above in connection with Drawing 1 (not shown in Figures 5 and 6). It is not connected to ℃.

The compensatory preform y is above the direction of movement of the glue 7 ohm P and has a single prong. Proceed along the direction. Preform y is structurally similar to layer 12 of preform P. ℃ temperature stripe layer 12'. Preforms p and p’ are directly fired. Because of the positioning, it is also important to note that the stripe pattern 12. It is possible to take the same arrangement as one father. The preform P' has a guiding and feeding device (fifth By means of the push button shown in the figure and a button not shown in Fig. 6, the horizontal line is One end of the frame χ-y is in contact with the roller 202 or at least close to it. Then, the temperature is sent out along the direction of the °C arrow 206.

The cutting device 208 is periodically advanced in order to cut the preform into a certain length. 1 (located above the preform P' to be It captures the foam section, carries it around the row 2 and, by a rotating movement, A section is provided to the preform P while the form P is advancing in the direction of arrow '200. supply. The nozzle N applies the original amount of liquid crystal material to the preform in step 5 as described above. Darkness rotating on preform P where preform section moves on trip P It acts to maintain the gap between them in an overflowing state. one The section that became the body and the glue 7 ohm strip P are placed between the rollers 202 and 2044. ℃ to squeeze out excess liquid crystal material from the cell. Squeezing roller 202. After passing through 2u4, the assembled components are subjected to subsequent series of 1°C as described above. This process is carried over to the ℃ lamination process (℃ not shown in Figures 5 and 6) that involves processing. It will be done.

The method for filling *Ic of a liquid crystal cell described herein is suitable for use with other structures or shapes. It can also be effectively used for filling cells. Regarding this point, this method is common to ℃1. Also, the application number No. 6783 of the same day application (representative honor number 6783) was assigned to Can be used.

Therefore, as a result of the present invention, an effective method for filling liquid-crystal cells at high temperatures can be obtained. It will be understood that the main objective of the present invention is thus fully achieved. At the same time, it is clear and expected that the intent of the embodiments specifically described and illustrated. It is clear that modifications or changes can be made without departing from the be. Accordingly, the foregoing description and accompanying drawings are based on the following description: It merely shows the preferred embodiment A, and is not strictly limited to °C. The true spirit and scope of the author's invention can be determined by considering the accompanying claims! to do It should be decided more.

FIG 2. FIG, 2A.

FIG　5゜ international search report mmm-m*m-m-1-l, PCTloS 84102040-2-A, N NEX To T) I+ INτERNATIONAL 5EARCHREZ’ ON with OR

Claims (29)

[Claims] 1. A method of forming cells filled with liquid crystals, each with a complementary a first and a second structure that, when joined together, define a cell that encloses a liquid crystal; forming a preform of the flexible strip; said complementary structures are aligned and bonded to each other from spaced apart pre-bonding relative positions; the first and second preforms along converging paths until the position The process of advancing; creating an overfeed between said first and second preforms in the gap between them; Just inject the liquid crystal material into the preform material of the first and second strips. a liquid crystal cell defined between the two as they advance along their respective convergent paths. a step of filling; A liquid crystal material comprising the step of sealing a liquid crystal cell that has been bonded and filled with liquid crystal. How to form cells filled with 2. A method of forming cells filled with liquid crystals, each with a complementary structure on top of it. a first and a second structure, which when joined together define a cell enclosing a liquid crystal; forming a preform of the flexible strip; a pair of strips which bring the preforms of said first and second strips into joined relationship; spaced rollers, the preforms of the first and second strips said first and second strips when advanced between said spaced rollers; each converging between the pair of rollers forming a gap between the preforms of the advancing the preforms of the first and second strips along a path of With Cheng; In the gap formed between the preforms of the first and second strips, While the preforms of the first and second strips advance between the rollers, Fills the liquid crystal cell defined by the first and second strip preforms supplying an excess amount of liquid crystal material to; and a step of integrally sealing the combined and filled liquid crystal cells. A method for forming cells filled with liquid crystals. 3. 2. The method of claim 1, wherein said forming step a seal pattern along one side of the preform to define the perimeter of each cell. liquid crystal-filled liquid crystal characterized by comprising the step of depositing in spaced relation. Formation force method of the cell. 4. The method of claim 3, wherein the seal pattern is heat activatable. the sealing step comprises curing the heat-activatable material. , applying heat to both said joined strips to produce a sealing action. 1. A method for forming a cell filled with liquid crystal, characterized in that the cell comprises: 5. The method of claim 4, wherein the heat-activatable material is heat-activatable. liquid crystal filled with polyester, vinyl polymer, or a mixture thereof. How to form cells. 6. In the method according to claim 3, the molding step further comprises: The method is characterized by including an operation of forming an electrode pattern on the formstrip. A method for forming cells filled with liquid crystals. 7. A method according to claim 1, in which the preform of the strip is The shape of a cell filled with liquid crystals, characterized in that at least one of them is made indeterminate How to create. 8. A method according to claim 1, in which the preform of the strip is one is defined by a continuous strip of indeterminate length; The other side of the strip is cut with a constant length before being joined to the preform of the indefinite length strip. The shape of the cell filled with liquid crystal, which is characterized by being divided into two parts. How to create. 9. The method of claim 1, wherein the injection step pre-bonds the liquid crystal material. The liquid crystal material is injected between the preforms of the first and second strips. A liquid characterized in that the flow rate of the liquid crystal material is adjusted to maintain the liquid crystal material supply. A method of manufacturing crystal-filled cells. 10. A method according to claim 1, wherein said injection step pre-fills the liquid crystal material. for intermittently injecting the coupled first and second strip preforms. A method of manufacturing a cell filled with a liquid crystal characterized by: 11. The method according to claim 1, further comprising: a liquid crystal cell filled with first and second strip preforms and sealed; Producing a cell filled with liquid crystals characterized by cutting in the middle of each other Method. 12. In the method according to claim 2, the molding step includes forming a periphery of each cell. a seal defining in spaced relation along one of the preforms of said strip; manufacturing a liquid crystal-filled cell characterized by including a patterning operation; How to build. 13. 13. The method of claim 12, wherein the seal pattern is thermally activated. The sealing process is performed by curing the heat-activated material to form a seal. applying heat to said combined strips to achieve A method of manufacturing a cell filled with liquid crystal, characterized by: 14. 14. The method of claim 13, wherein the thermally activated material is thermally activated. A liquid crystal characterized by being made of polyester, vinyl polymer, or a mixture thereof. A method of manufacturing cells filled with 15. The method according to claim 12, wherein the forming step further comprises: comprising an operation of forming an electrode pattern on the preform strip; A method of manufacturing a cell filled with a liquid crystal characterized by: 16. The method according to claim 1, wherein the strip preform is A cell filled with a liquid crystal characterized in that at least one side has an indefinite length. How to manufacture. 17. The method according to claim 2, wherein the strip preform is one defined by a continuous strip of indeterminate length, the other being defined by said strip preform. The other is a separated individual strip before being joined with the aforementioned indefinite length strip preform. Manufacture a cell filled with liquid crystal that can be cut into sections of different lengths. how to. 18. 2. The method according to claim 2, wherein the injection step is performed by adding the liquid crystal material to the liquid crystal material. In order to maintain the supercharging state of liquid crystal material into the gap by continuously injecting it into the gap. A person who manufactures a cell filled with liquid crystal characterized by adjusting the flow rate of liquid crystal material Law. 19. 2. The method of claim 2, wherein the injection step is performed by adding the liquid crystal material to the Filled with liquid crystal characterized by including an operation of intermittently injecting into the gap How to manufacture cells. 20. The method according to claim 2, further comprising: and the second strip preform between the filled and sealed liquid crystal cells. A method for manufacturing a cell filled with liquid crystal characterized by including a cutting process Law. 21. A method of forming cells filled with liquid crystals, each complementary to its top. The first one has a structure and defines a cell that encloses liquid crystal when the two are combined and combined. and forming a second flexible strip preform; passing one of the preforms of the strip between spaced squeeze rollers; advancing along the path; The other side of the preform of the strip is cut into sections, and each of the cut sections is The paths converge along the initially mentioned path between the spaced apart squeezing rollers. a gap between the one strip preform and the section. defining between said one strip preform and said section; while the one cell and the section advance between the rollers, Add enough liquid crystal material to the liquid crystal cell defined between the two to form its supercharged state. A process of injecting the liquid crystal cell to fill the amount; A method for forming a cell filled with liquid crystal, the method comprising a step of sealing. 22. 22. The method according to claim 21, wherein the molding step is carried out around each cell. in spaced relation along one of said strip preforms; Cell filled with liquid crystal, characterized in that it includes an operation for depositing a pattern How to manufacture. 23. The method according to claim 21, wherein the seal pattern is heat-activatable. formed by the material, and the sealing process includes the applying heat to said bonded strips to cure the heat-activable material; A method of manufacturing a cell filled with liquid crystal, characterized in that the cell comprises: 24. 24. The method of claim 23, wherein the heat-activatable material Characterized by being a polyester, vinyl polymer or a mixture thereof A method for manufacturing a cell filled with liquid crystal. 25. 23. The method according to claim 22, wherein said forming step further comprises said forming step. The method is characterized in that it includes an operation of forming an electrode pattern on the preform strip. A method of manufacturing cells filled with liquid crystals. 26. 22. The method of claim 21, wherein the strip preform manufacturing a cell filled with a liquid crystal characterized in that at least one of the liquid crystals has an indefinite length; how to. 27. 22. The method according to claim 21, wherein the filling step includes liquid crystal material. The flow rate is continuously injected into the gap to keep the liquid crystal material in a supercharged state in the gap. manufacturing a cell filled with liquid crystal characterized by comprising an operation for adjusting the Method. 28. 22. The method according to claim 21, wherein the injection step comprises adding a liquid crystal material to the liquid crystal material. Manufacturing a cell filled with liquid crystal, characterized in that the liquid crystal is injected intermittently into the gap. How to do it. 29. The method of claim 21, further comprising: a liquid crystal cell filled and sealed with the first and second strip preforms; A cell filled with liquid crystal, characterized by having a step of cutting in the middle of each other. How to manufacture.