TWI270124B - Method for manufacturing transparent electrode board - Google Patents

Abstract

Disclosed is a method for manufacturing a transparent electrode board, wherein the transparent electrode board comprises a transparent substrate, a plurality of transparent anodes and an insulation layer. The method comprises the following steps: a step of forming transparent anodes, a step of forming an insulation layer and a step of curing. In the step of forming transparent anodes, a plurality of separated transparent anodes is formed on the transparent substrate. In the step of forming an insulation layer, the insulation layer is formed around the transparent anodes by using ink-jet printing. In the step of curing, the insulation layer is cured to thereby form the transparent electrode board.

Description

1270124 V. INSTRUCTION DESCRIPTION OF THE INVENTION (1) Field of the Invention The present invention relates to a method of manufacturing a transparent electrode plate, and more particularly to a method of manufacturing a transparent electrode plate using an ink jet printing to form an insulating layer of a transparent electrode plate. [Practical technology], light is increasingly in the optoelectronic industry, as electronic products pursue the pursuit of light and thin short-circuit components in the direction of miniaturization. In order to comply with the current trend, the more precision inside the component is required to reduce the waste of space. The transparent electrode plate plays an important role in the LED, EL and LCD industries due to its both light transmissive properties and electrical conductivity. As shown in the figure, the element structure of the transparent electrode plate 2 for display is generally composed of j, a plurality of transparent anodes 22, and an insulating layer 23. In the transparent electrode soil, the main features and purposes of the insulating layer 23 are two, the light source region, and the other is avoided in the transparent anode 22: the edge field, thereby prolonging the life of the transparent electrode plate. Non-uniform electric current The manufacturing method of the transparent electrode plate 2 is as shown in Fig. 2A. First, a transparent base is provided, which is not shown in the figure. In: transparent anode layer 22. Next, it is plated on the micro J 2 plate 21 (as shown in Fig. 2A). Further, the polymer material is spin-coated on the insulating layer material, and the polymer material is patterned as the insulating layer 23 (as shown in Fig. 2c). < Manufactured by lithography, the method of fabricating the insulating layer 23 is a polymer solution as an insulating layer material, and the seed system is formed on the transparent substrate 21 by spin coating to spin coating and laminating the film. Then, in order to expose the five, the invention description (2) for the baking method in the transparent beauty handle light, baking, developing two and baking the edge film 'substitute sequentially to expose the non-resistive type of $ eight to make the insulation layer structure. The second type is to make the cloth and baking method in the transparent λ柘μ:f edge layer 枓', which is coated with an insulating layer by spin coating, baking, and aging. , the photoresist removal and the photosensitive/non-dimming type 0 hardening 2, the second method is to use the screen printing method, the method is to place a screen with a specific hard: ^ π 疋 pattern, and curing (Exposure/heating) method, ', the printing process of the first two kinds of insulating layer 23 process = =; 邑 two layers: structure. Therefore, it can be seen that the 'step is complicated and time-consuming, the manufacturing method of the machine electrode plate 2 is used! 〇%) ^ The method is fast, but the resolution of the insulation layer structure is: 2; early, manufacturing: cleaning the screen, environmental considerations The organic solvent which is difficult to handle and which is difficult to use is summarized. [In summary of the invention] The object of the present invention is to provide a transparent electrode plate method which is low in cost, time-saving, energy-saving, and environmentally-friendly. The present invention provides a method for manufacturing a transparent electrode plate, wherein the transparent electrode plate comprises a transparent substrate, a plurality of transparent anodes, and an insulating layer, and the method for manufacturing the transparent electrode plate comprises the following steps:

1270124 V. INSTRUCTIONS (3) A transparent anode shape. Wherein, in the plurality of mutual ink-discharging printing methods, the step of forming a transparent anodic forming step in the process of reducing the process of forming a mask or a screen on a transparent substrate on a transparent substrate; a transparent anode which is separated from the transparent anode; and an insulating layer is formed around the transparent anode of the insulating layer to form a transparent electroscopy. In contrast, in the present invention, the insulating layer is formed into an insulating layer, which reduces the manufacturing time and cost, and The environmental problem caused by going to the stripper. Detailed steps and a curing step are performed on the transparent substrate to form a step in the forming step, and in the curing step. To use inkjet printing processes, no use, and no need to use organic solvents such as developer, compare them to the table below.

1270124 V. DESCRIPTION OF THE INVENTION (4) 'Detailed Description of Preferred Embodiments Hereinafter, a method of manufacturing a transparent electrode plate according to an embodiment of the present invention will be described with reference to the related drawings. The same elements will be denoted by the same reference symbols.

As shown in FIG. 3, the transparent electrode plate manufacturing method of the first embodiment of the present invention comprises: a transparent anode forming step (s〇i), an insulating layer forming step (S02), and a curing step (s〇3). . Wherein, in the transparent anode forming step, a plurality of mutually separated transparent anodes 1 2 are formed on the transparent substrate, and an insulating layer is formed around the moon-passing anode 1 by inkjet printing in the insulating layer forming step. 1 3, and in the curing step, the insulating layer 13 is cured to form the transparent electrode plate 1. As shown in FIG. 4A, in step s〇i, a transparent anode layer 丨2 is plated on the transparent substrate by sputtering or ion plating, and then micro-application is used. The shadow method produces a transparent anode 12 which is separated from each other. Of course, a plurality of transparent anodes 2 separated from each other may also be elongated anodes 12, as shown in Fig. 4B. The material of the transparent anode 12 may be indium tin oxide (ΙΤ0) or aluminum zinc oxide (AZ〇), and its thickness is about 50,000 wings or more.

Here, the transparent substrate 11 may be a glass substrate, a plastic substrate, and a flexible substrate. The plastic substrate or the flexible substrate may be a polycarbonate (p〇lycarb〇n/ate, pc) substrate, a polyester (PET) substrate, a cycloolefin copolymer.

Page 7 1270124 V. INSTRUCTIONS (5) (The cyclic olefiar substrate is a plate-specific olefinic connection in a plate-specific manner, and the spray on the insulation is not required to be printed, and it can be a step-by-step process. The result is that the anode is 12 volts. Above 106 ohms. Copolym down, such as the inkjet printing position, is aligned with the ink head ejection layer 13 or the base is replaced with a mask or the desired pattern width. The formation of the reductive layer can reach the phase, the insulation is used to define the edge, the insulation is more than cm, and the substrate is a metallocene-based cyclic er (mCOC) substrate. As shown in Fig. 5A, in the step s2, the insulating layer forming step forms an insulating layer 13 or a reference pattern around the transparent anode 12. After ink-jet printing of the regions around the transparent anodes 1 in the insulating layer forming step, an alignment pattern is formed around the transparent anodes 2 by using an insulating material to form a specific position of the plates. 'One of the advantages of using inkjet printing to form an insulating layer is a screen, which can be used in a single step to make the insulating layer have a more extensive pattern of applications such as text or irregular patterns. And short products from design to manufacturing cycle, but the method must use the mask or screen, and the same effect. The layer 13 is a size and a region of the light source region shaped by the insulating material of the photosensitive polymer, and an electric field for avoiding the unevenness of the transparent generation, which affects the thickness of the use layer 13 of the element is larger than 〇 micron, and the body resistance thereof The value is 'and its feature size (line width / line spacing) is 2 〇 micron

1270124 V. Inventions (6) are different. The alignment used is also a function of the accuracy of the insulation pattern, for example, mechanical alignment with an alignment accuracy of more than Μ micron and optical alignment with an alignment accuracy of more than 1 micron. In this embodiment, the insulating material of the photosensitive polymer may be a photosensitive polyimide (PSPI), and a photosensitive group is introduced into the main structure of the polyamidamide, so that the polystyrene has both an insulating layer and The characteristics of the photoresist. ^^忠从罗rt: Sensitive polytheneamine can be divided into open-loop negative PSPI (Ring n Type PSPI), closed-loop negative pspi Type PSPI), open-loop positive type PSP (Pl P ......Pened Positive Type PSPI) and ρςρτ " τ ηοητ Λ 士 圳 i P P (Ring Close Positive)

Type PSPI), ffiDCDT π at the process φ, upper η μ , T dry PSPI can be used to shorten the process steps, as well as Lang's photoresist material and photoresist process, which is helpful for s. The private process is used to cure the insulating layer 13 in step s 〇 3 for the process of the process and the reduction of the process. Since the insulating material is photosensitive, the k η η is used in the curing step of the insulating layer, and is irradiated with appropriate light (such as UV light) and appropriate agent. ^ Μ Processing, hunting to cure the insulation layer 13. In the following, in addition to the insulating material of the non-photosensitive polymer, the f13 is formed by the insulating material of the non-photosensitive polymer in the present embodiment. The remaining parts and features are contrary to the first implementation 彳丨4, ^^ one example. As shown in Fig. 7, since the insulating layer 13 is a non-photosensitive type 咼 molecular servant half, the insulating material is taken from the insulating material, and the insulating layer 13 is fixed B±BO, ^ U is used therein, and the appropriate The transparent electrode plate 1 is formed by curing the insulating layer 13 at a temperature of 和, 曰, , , , .

1270124 V. INSTRUCTION DESCRIPTION (7) The present invention uses an inkjet printing method to form an insulating layer on a transparent substrate, and only requires three steps of alignment, inkjet printing, and curing to form an insulating layer of the transparent electrode plate. 'Without the use of developer and photoresist in the lithography process, it can reduce the occurrence of environmental problems; in addition, the brush can be used to make the insulation layer into any pattern that is actually needed, such as ink printing, text As well as irregular patterns, it is not necessary to carry out complicated drawings to reduce production costs and time. v. The above is also an example only, and is not intended to limit the spirit and scope of the invention. Any departure from the scope of this patent application is hereby incorporated by reference. Modifications or changes should be packaged

Page 10 1270124 Brief description of the drawings [Simplified description of the drawings] Fig. 1 is a schematic view showing the structure of a conventional transparent electrode plate. 2A to 2C are schematic views showing a conventional method of manufacturing a transparent electrode plate. Fig. 3 is a block diagram showing a method of manufacturing a transparent electrode plate according to a first embodiment of the present invention. 4A and 4B are schematic views showing a transparent anode forming step of the first embodiment of the present invention. Figs. 5A and 5B are views showing the steps of forming the insulating layer of the first embodiment of the present invention. Figure 6 is a schematic illustration of the curing step of the first embodiment of the present invention. Fig. 7 is a schematic view showing the step of curing the insulating layer according to another embodiment of the present invention. Fig. 0 [Illustration of the symbol] 1 transparent electrode plate 11 transparent substrate 12 transparent anode 13 insulating layer 2 transparent electrode plate 21 transparent substrate 22 transparent anode 23 insulating layer

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Claims (1)

1270124 The invention discloses a method for manufacturing a transparent electrode plate, wherein the transparent electrode plate comprises a transparent two f-three transparent anodes and an insulating layer, and the transparent electrode plate manufacturing method 2 comprises the following steps: ; ι: Β ^, transparent anode Forming step 'forming a plurality of mutually transparent anodes on the transparent substrate; ', a rim edge layer forming step of forming the insulating layer around the transparent by inkjet printing; and forming a transparent electric curing In the step, the insulating layer is cured by the insulating layer. The method for manufacturing a transparent electrode plate according to the first aspect of the invention, wherein the inkjet printing method in the step of forming the insulating layer is an alignment pattern that is aligned with a region around the transparent anode or a specific position of the substrate. Thereafter, more than one of the ink jet heads are ejected from the insulating material, and an insulating layer is formed around the transparent anodes. 3. The method of manufacturing a transparent electrode plate according to claim 1, wherein the transparent substrate is a glass substrate. 4. The method for manufacturing a transparent electrode plate according to the above application of the patent application, Page 12 1270124 VI. Scope of Application The transparent substrate is a plastic substrate. The transparent electrode plate manufacturing method as described in the scope of the patent application is the flexible substrate. Paint 6: The transparent electrode plate manufacturer according to the fourth or fifth aspect of the patent application, wherein the transparent substrate is a polycarbonate substrate. 7. The method for manufacturing a transparent electrode plate according to the fourth or fifth jin of the patent application, wherein 'the transparent substrate is a polyester substrate. The method for manufacturing a transparent electrode plate according to the fourth or the fourth aspect of the invention, the transparent substrate is a conjugated substrate, and the transparent electrode plate is manufactured according to claim 4 or 5. The method, the X-pervaporation substrate is a metal chromium composite substrate-cycloolefin copolymer base 1 0. The transparent electrode plate manufacturing method according to the first aspect of the patent application, the I m Μ i 13th贡----- The object anode 1270124 6. In the patent application, the transparent anodes are electrically conductive metal oxides. 11. The transparent electrode plate manufacturing method according to the first aspect of the patent application, _ / The transparent anode is an indium tin oxide anode 1 2 · The transparent electrode 1 according to the scope of the patent application, the transparent anode is an alumina zinc anode 1 3 · as claimed in claim 1 The method for manufacturing the transparent anodes is a sputtering method. The transparent electrode plate is made according to the first aspect of the patent application, and the transparent anode is formed. Manufacturing method is ion plating . In the manufacture of a transparent electrode plate as described in claim 1, the thickness of the transparent anode is 50 Å or more. Page 14 1270124 1 6 · For example, the method of the transparent electrode plate of the first item of the scope of the patent application is as follows. The material of the insulating layer is a photosensitive polymer. 17. The method of manufacturing a transparent electrode plate according to claim 1, wherein the material of the insulating layer is a photosensitive polymer. 1 8. The method for producing a transparent electrode plate according to the invention of claim 2, wherein the thickness of the insulating layer is 〇·〇5 μm or more. 1 9 · The method for manufacturing a transparent electrode plate according to claim 1, wherein the body resistance of the '', and the insulating layer in the basin is 1 〇6 〇 h m _ c m or more. 2: The method for producing a transparent electrode plate according to claim 1, wherein the insulating layer has a feature size (line width/line distance) of 20 μm or more. The method for manufacturing a transparent electrode plate according to item 2 of the patent application scope of the Japanese patent is that the mechanical alignment is greater than 5 〇 micrometers. Page 15 1270124 VI. Scope of Application 2 2. The method of manufacturing a transparent electrode plate according to claim 2, wherein the alignment is optical alignment with an alignment accuracy of 1 micron or more. 2. The method of manufacturing a transparent electrode plate according to claim 2, wherein the ink jet head comprises one or more ink jet nozzles. 2. The method for manufacturing a transparent electrode plate according to claim 16, wherein It is cured by light exposure during the curing step. The method for producing a transparent electrode plate according to the above aspect of the invention, wherein the curing step is performed by heating in a curing step. Page 16