WO2019209047A1 - Encre colorée de photolithographie - Google Patents

Encre colorée de photolithographie Download PDF

Info

Publication number
WO2019209047A1
WO2019209047A1 PCT/KR2019/005011 KR2019005011W WO2019209047A1 WO 2019209047 A1 WO2019209047 A1 WO 2019209047A1 KR 2019005011 W KR2019005011 W KR 2019005011W WO 2019209047 A1 WO2019209047 A1 WO 2019209047A1
Authority
WO
WIPO (PCT)
Prior art keywords
ink
color ink
photolithography
color
thermosetting
Prior art date
Application number
PCT/KR2019/005011
Other languages
English (en)
Korean (ko)
Inventor
박찬석
백신혜
정일호
Original Assignee
(주)이노시아
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by (주)이노시아 filed Critical (주)이노시아
Publication of WO2019209047A1 publication Critical patent/WO2019209047A1/fr

Links

Images

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D11/00—Inks
    • C09D11/02—Printing inks
    • C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D11/00—Inks
    • C09D11/02—Printing inks
    • C09D11/10—Printing inks based on artificial resins
    • C09D11/101—Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/004—Photosensitive materials
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/004—Photosensitive materials
    • G03F7/0045—Photosensitive materials with organic non-macromolecular light-sensitive compounds not otherwise provided for, e.g. dissolution inhibitors
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/004—Photosensitive materials
    • G03F7/027—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds
    • G03F7/032—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds with binders
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/004—Photosensitive materials
    • G03F7/027—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds
    • G03F7/032—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds with binders
    • G03F7/0325—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds with binders the binders being polysaccharides, e.g. cellulose
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/004—Photosensitive materials
    • G03F7/027—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds
    • G03F7/032—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds with binders
    • G03F7/033—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds with binders the binders being polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. vinyl polymers
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/20—Exposure; Apparatus therefor
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/26—Processing photosensitive materials; Apparatus therefor

Definitions

  • the present invention relates to color inks, and more particularly, to color inks that can be printed in an accurate position and shape.
  • Such mobile and IT devices are provided with a display window, and a window made of high strength glass or transparent resin is positioned outside the display window to protect the display window.
  • a window is generally made larger than the display window, and is printed outside of the space where the display window is located, thereby decorating the appearance in various colors or displaying a trademark or a logo.
  • thermosetting ink Since the printing on the inner surface of the window is performed in a form except for the inside of the display window portion, a method of hardening by heating after performing screen printing using a thermosetting ink has been mainly used.
  • recent mobile and IT devices need to be opened for camera lenses, sensors, and speakers in addition to display windows, and thermosetting inks should not be printed in these open positions.
  • holes (camera hole, sensor hole, speaker hole, etc.), which are open spaces for camera lenses, sensors, and speakers, should be formed in a relatively small size. Aligning in the right place is not easy. Therefore, the current screen printing process using the thermosetting ink is performed only one print at a time for precise control, which causes a high manufacturing cost.
  • jig is used to implement several to several tens of prints at a time, and the jig tolerance is added as well as the printing tolerance, making it difficult to proceed with a precise screen printing process.
  • the present invention has been made in view of the above-mentioned problems of the prior art, and an object thereof is to provide a new kind of printing ink capable of printing a plurality of windows at a time.
  • Photolithography color ink according to the present invention for achieving the above object is a color ink for performing color printing on the back of the window of the display window, an optical binder in the range of 16.0 ⁇ 31.0 wt%; Photoinitiators in the range of 7.5-15.2 wt%; Combined monomers and oligomers in the range of 10.0 to 19.5 wt%; Additive in the range from 0.9 to 1.8 wt%; And a thermosetting ink in a range of 35.0 to 65.6 wt%, wherein the thermosetting ink is at least one selected from pigments, epoxies, acrylics, and urethanes, thermosetting resins which are block isocyanates or latent curing agents, and DBE (Di Basic Ester) and At least one solvent selected from IPR (Isophorone) and BC (Butyl cabitol), the additive is characterized in that the saturated or unsaturated fatty acid having a carboxyl group and composed of an even number
  • photo-curable or UV-curable paints use the property of being cured by light, but are not a technique for selectively printing in a desired form through an exposure process using a mask or the like.
  • the photolithography process using a photoresist is a technique of forming a pattern through an exposure process using a mask, but it cannot be applied as a printing ink capable of incorporating color into itself.
  • the conventional photoresist can be applied only to pattern printing and not to color printing, but in order to impart color to the photoresist, a material such as a pigment must be added, but materials other than the photoresist material can be added for curing. This is because the exposure and development process cannot be performed in an accurate pattern due to the interference of light absorption.
  • the present invention was applied to use a photosensitive resin to form a three-dimensional pattern, but was not used for color printing.
  • the photolithography color ink of the present invention can selectively print only necessary portions by an exposure process using a mask like photolithography, and can also perform color printing that displays colors by itself.
  • the photolithography color ink of the present invention has a great feature in providing a new ink composition capable of precise printing by imparting photosensitive characteristics that photolithography can be performed without significantly changing the composition of the conventional thermosetting ink composition. have.
  • the optical binder is preferably one of an acrylic binder, cellulose and an epoxy acrylate.
  • a monomer is an acryl-type monomer or a urethane type monomer of 3-6 functional group range.
  • an oligomer is a urethane type oligomer or an epoxy type oligomer of 4-6 functional group range.
  • Photoinitiator is preferably at least one selected from ⁇ -Hydroxyketone, Phenylglyoxylate, ⁇ -Aminoketone, Mono Acyl Phosphine (MAPO) and oxime system.
  • It may further include a wax or a surface tension increasing agent, further comprising a dispersant having an amine and an acid group.
  • It may further include an antifoaming agent, or may further include SiO 2 or TiO 2 .
  • a method for printing a back surface of a window is performed by using the photolithography color ink described above and performing a process of forming a pattern by performing an exposure process and a developing process to form holes formed in a window. It is characterized by.
  • the present invention configured as described above includes the thermosetting ink and the photosensitive portion together, whereby the pattern formation by the exposure-development process and the reliability and color implementability of the thermosetting ink can be simultaneously obtained.
  • FIG. 1 is a flowchart illustrating a printing process using a photoresist color ink according to an embodiment of the present invention.
  • thermosetting ink 2 is a flowchart showing a printing process using a conventional thermosetting ink.
  • the photolithographic color inks according to the invention are optical binders in the range of 16 to 31 wt%, photoinitiators in the range of 7.5 to 15.2 wt%, monomers and oligomers in the range of 10 to 19.5 wt%, additives in the range of 0.9 to 1.75 wt% and And thermosetting inks in the range of 35 to 65.6 wt%.
  • a saturated or unsaturated fatty acid having a carboxyl group and having an even number of 12 to 24 carbon atoms is used.
  • Photolithography of the present invention can be largely divided into a photosensitive portion for imparting photosensitivity and a thermosetting ink for imparting color, and the photosensitive part includes an optical binder, a photoinitiator, a monomer and an oligomer, and an additive.
  • the optical binder is made of acryl binder, cellulose and epoxy acrylate, and has an acid group at its end. If there is a double bond, the binder may also participate in crosslinking between the photoinitiator and the monomer to increase the degree of photocuring.
  • the molecular weight is applied at the level of 2000 ⁇ 200,000mw, and it affects the sensitivity of photoresist (PR) depending on the molecular weight. In detail, when using less than 2000mw at 5000 ⁇ 600,000mw, the molecular weight is low, so the photocurability is low and the pattern formation is disadvantageous or color dispersion is not good.
  • Viscosity requires a viscosity of 2000 ⁇ 10000cp in order to apply to screen printing, which may vary depending on the solid content or molecular weight in the binder synthesis, 5000-8000cp is suitable.
  • the T g of the resin is changed according to the drying temperature. The higher the T g , the better the drying characteristics (solvent volatility).
  • T g is preferably 30 to 130 ° C, and specifically 80 to 110 ° C. If the T g is low, it is difficult to repeat printing due to the tack property, trapped during drying, solvent remains, so proper exposure is difficult due to the refractive index change of the remaining solvent during post-processing, exposure, and development speed is increased during development, and pattern dropout may occur. And pattern sharpness is poor.
  • acrylic or cellulose-based resins are suitable for expressing the particle feeling or the mirror feeling (metal pearl_ex: Al).
  • metal pearl_ex Al
  • the above series influences the arrangement of pearls by the structure or printability of the polymer.
  • the monomer is preferably an acryl-based monomer or a urethane-based monomer having a level of 3 to 6 functional groups. When using less than 2 functional groups, the reactivity is slow, and when more than 7 functional groups are used, it may affect residue after developing process.
  • the selection of monomers varies according to the type of optical binder. For example, acrylic polymers have excellent matching properties with acryl and urethane, but cellulose polymers have good matching with urethane monomers. When the cellulose polymer and the acrylic monomer are combined, the hydrogen bond affects the stability.
  • the oligomer is urethane-based, epoxy-based, etc., 4 to 6 functional group level is suitable. At six or more functional groups, developing residues occur and the developing speed is slowed, and at four or less functional groups, the sensitivity is lowered to increase the exposure amount. The reaction rate is slower than that of monomers, but it participates in crosslinking in a wider form, affecting the strength of the material and the shape of the pattern. In addition, by increasing the process margin in the development process to suppress the occurrence of surface damage during alkali etching. In particular, when the thermosetting ink is used in the composition to which the thermosetting ink is applied, wrinkles are generated because the monomer cannot stand the shrinkage phenomenon occurring in the photocuring process, but the oligomer can be used together to solve this problem.
  • the photoresist color ink of the present invention has excellent efficiency of suppressing the occurrence of surface wrinkles after the exposure or development process when the ratio of monomers to oligomers is about 1: 1, and the surface wrinkles when the monomer ratio exceeds 60% of the oligomers. This may occur.
  • the input amount of monomer and oligomer can be applied up to 30 ⁇ 70% compared to the photosensitive binder, and it is easy to develop by controlling the dry state of the coated coating film using the property of not drying and curing at low temperature due to the characteristics of the raw material itself.
  • Photo-initiator is used ⁇ -Hydroxyketone, Phenylglyoxylate, ⁇ -Aminoketone, Mono Acyl Phosphine (MAPO), oxime type, etc., and can be changed depending on the color of the ink to be implemented according to the absorption wavelength. For example, when the black ink is produced, since light transmittance is small, short wavelength initiators are mainly used, and a sensitizer is applied at the same time. In the case of white color, short wavelength and long wavelength initiators are used at the same time, but the initiator content can be adjusted to match the sensitivity of the desired material. And when applied to yellowing or color-sensitive inks, the color and content of the initiator should be adjusted.
  • the additive uses saturated or unsaturated fatty acids having carboxyl groups and consisting of even numbers of 12 to 24 carbon atoms.
  • the carbon number is 18 or less and the number of double bonds is less than 3, and it is present between the materials in the mixture state and lowers the bond between materials, resulting in easier alkali etching in the developing process.
  • Such an additive is a main element that exhibits the effect that the photolithographic color ink of the present invention can be cured except for a camera hole through an exposure process.
  • the performance can be improved by further including a dispersant having an amine and an acid group in the photosensitive portion of the photolithographic color ink according to the present invention.
  • a dispersant having an amine and an acid group in the photosensitive portion of the photolithographic color ink according to the present invention.
  • Such dispersants have wetting properties due to dispersibility due to electrostatic repulsion by charge and steric hindrance by the adsorption layer, and increase the rate of wetting during mixing or dispersing between the thermosetting ink and the photosensitive portion.
  • the wettability enables development by adsorbing the photosensitive elements, which are photosensitized or developed in pigments and thermosetting resins, onto the surface, and improves residues (local phenomenon).
  • Acid groups affect developability, and amines participate in the reaction as a curing agent in the present drying (thermosetting).
  • a raw material containing 10 to 100 mg KOH / g may be applied.
  • an antifoaming agent may be additionally added to remove bubbles generated during the printing process.
  • fumed silica can be used as a thickener and used for the purpose of controlling the gloss of the photoresist color ink surface.
  • thermosetting inks can be used without any great limitation to the various thermosetting inks currently used. Like general thermosetting inks, it is composed of a pigment for imparting color, a thermosetting resin, a thermosetting agent and a solvent.
  • Epoxy, acryl, urethane, etc. are used for thermosetting resin, and resin type can be selected according to the kind of base material or the purpose of an ink. In particular, in the case of reliability items such as heat desorption, epoxy resins having a low thermal shrinkage rate are applied, and thermosetting resins can be selected depending on printability (surface properties).
  • Thermosetting agents cure thermosetting polymers using block isocyanates or latent curing agents in consideration of the stability and workability of the material. Different types of curing agents should be selected depending on the type of thermosetting resin, and curing agents with different dissociation temperatures should be used depending on the drying process.
  • thermosetting ink DBE (Di Basic Ester), IPR (Isophorone), BC (Butyl cabitol), etc. are applied according to the color or workability of the thermosetting ink, and solvents having low volatility are excluded due to the characteristics of screen printing.
  • Table 1 shows the results of experiments on the pattern formation characteristics and the color implementation characteristics according to the ratio of the photosensitive portion and the thermosetting ink.
  • the photosensitive portion was composed of a ratio of 46.05 wt% of a photobinder, 22.37 wt% of a photoinitiator, 28.95 wt% of a monomer and an oligomer, and 2.63 wt% of an additive.
  • the composition ratio represents "photosensitive part: thermosetting ink.”
  • Pattern formation characteristics Color implementation characteristics 20:80 No pattern formation Excellent color implementation 30:70 Pattern is formed but residues occur Excellent color implementation 40:60 Good pattern formation Excellent color implementation 50:50 Good pattern formation Excellent color implementation 60:40 Good pattern formation Excellent color implementation 65:35 Good pattern formation Excellent color implementation 70:30 Good pattern formation Color fades and hides less 80:20 Good pattern formation Color fades and hides less 90:10 Good pattern formation Color fades and hides less
  • thermosetting ink When the content of the thermosetting ink is more than 35wt%, color implementation was excellent, but in the range where the content of the photosensitive portion was 30wt% or less, no pattern was formed or residues occurred even when the pattern was formed, and thus it was confirmed that the actual use was difficult.
  • thermosetting ink when the content of the photosensitive portion is more than 40wt%, the pattern was formed well, but in the range of the content of the thermosetting ink is 30wt% or less, it was confirmed that the color was light and the hiding power was difficult to use. In particular, when the thermosetting ink is less than 10wt%, the reliability is poor in terms of adhesive force, hot water and coating film strength.
  • thermosetting ink should be controlled in the range of 35 to 65.6 wt%.
  • FIG. 1 is a flowchart illustrating a printing process using a photoresist color ink according to an embodiment of the present invention.
  • Silkscreen printing was performed using a 350-neck screen net and temporary drying was performed for 10 minutes at a temperature of 70 ° C. in an IR oven.
  • the photoresist color ink according to the embodiment of the present invention was used for the color printing and the shielding printing, and the exposure process was performed with an intensity of 50 to 1000mj / cm 2 except for the positions where the holes were formed, and the developing process was 0.1
  • the location where holes are to be formed is opened by performing with ⁇ 1.0% Na 2 CO 3 .
  • the drying was carried out in an IR oven at a temperature of 170 ° C. for 30 minutes.
  • the silkscreen color printing is performed two times, but the present invention is not limited thereto and may be performed only once or three times or more.
  • the exposure-development process is performed for each, but only one exposure-development process may be performed if the color layer and the print layer have the same shape and dimensions.
  • thermosetting ink 2 is a flowchart showing a printing process using a conventional thermosetting ink.
  • Silkscreen printing conditions and temporary drying and the conditions of the present drying are the same as in the case of the present invention described above.
  • only one sheet should be printed at a time in order to align the holes (camera hole, sensor hole, speaker hole, etc.) by jig tolerance and printing tolerance due to the characteristics of screen printing.
  • Table 2 shows the experimental results for the photoresist color ink according to the embodiment of the present invention and the ink of the comparative example.
  • CBPR-4096C Chembase's acrylic binder
  • DETX BASF's photoinitiator
  • OXE-01 BASF's photoinitiator
  • IGR-184 BASF's photoinitiator (Irgacure ⁇ -184)
  • IGR-819 BASF's Abbreviation of photoinitiator (Irgacure 8-819 )
  • PU640 6 functional oligomer of Miwon SC
  • KDN-253 modified epoxy binder of Kukdo Chemical
  • PETIA pentaerythritol triacrylate
  • DPHA Dipentaerythritol Hexaacrylate
  • BI-180 Blocked Isocyanate
  • Examples 1 to 3 correspond to 45%, 55% and 65% of the content of the photosensitive portion derived based on Table 1, respectively, and Comparative Example 1 is a conventional thermosetting ink. Comparative Examples 2 and 3 are cases where the content of the photosensitive portion is 30% and 80%, respectively.
  • Examples 1 to 3 and Comparative Examples 2 to 3 performed the printing process in the order of FIG. 1, and the thermosetting ink of Comparative Example 1 was printed in the order of FIG. 2.
  • the pattern for the camera hole and the sensor hole was well formed by the exposure-development, and the pattern sharpness ( sharpness) is also good, and it can be seen that photolithography by the photosensitive portion was performed well.
  • the reliability and color implementation are also good, it can be seen that the properties of the thermosetting ink also exhibited good.
  • thermosetting ink of Comparative Example 1 the reliability and color implementation are good, but the alignment error between the camera hole and the sensor hole occurs at a level of ⁇ 80 ⁇ m. The process must be carried out precisely by chapter.
  • the alignment error between the camera hole and the sensor hole is only ⁇ 0.5 ⁇ m, so that printing of several sheets (for example, 6 to 8 sheets) is performed at one time. Even if the hole alignment does not occur.

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Wood Science & Technology (AREA)
  • Materials Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Materials For Photolithography (AREA)

Abstract

La présente invention concerne une encre colorée de photolithographie comprenant : 16,0 à 31,0 % en poids d'un photo-liant; 7,5 à 15,2 % en poids d'un photo-initiateur; 10,0 à 19,5 % en poids d'un monomère et d'un oligomère au total; 0,9 à 1,8 % en poids d'un adjuvant; et 35,0 à 65,6 % en poids d'une encre thermodurcissable, l'adjuvant étant un acide gras saturé ou insaturé portant un groupe carboxyle et ayant un nombre pair de 12 à 24 atomes de carbone. Dans la présente invention, une encre thermodurcissable et une partie photosensible sont contenues ensemble, ce qui conduit à l'effet de réaliser simultanément une formation de motif par un processus de développement d'exposition, une fiabilité et une visualisation de couleur de l'encre thermodurcissable. De plus, étant donné que la formation de motif par photolithographie selon la présente invention permet des erreurs très minimes pour des alignements de trous fins, de multiples feuilles peuvent être imprimées lors d'un tour de processus d'impression, ce qui entraîne une augmentation de l'efficacité du processus et une diminution du coût du processus. En particulier, l'encre colorée de photolithographie de la présente invention peut conférer une propriété photosensible permettant une photolithographie sans modification importante des configurations de compositions d'encre classiques, en fournissant ainsi une nouvelle composition d'encre grâce à laquelle une impression précise peut être accomplie.
PCT/KR2019/005011 2018-04-25 2019-04-25 Encre colorée de photolithographie WO2019209047A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020180048147A KR102087921B1 (ko) 2018-04-25 2018-04-25 포토리소그래피 컬러 잉크
KR10-2018-0048147 2018-04-25

Publications (1)

Publication Number Publication Date
WO2019209047A1 true WO2019209047A1 (fr) 2019-10-31

Family

ID=68295577

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2019/005011 WO2019209047A1 (fr) 2018-04-25 2019-04-25 Encre colorée de photolithographie

Country Status (2)

Country Link
KR (1) KR102087921B1 (fr)
WO (1) WO2019209047A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023039882A1 (fr) * 2021-09-14 2023-03-23 Tcl华星光电技术有限公司 Panneau d'affichage et son procédé de préparation

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060043148A (ko) * 2004-02-23 2006-05-15 도요 잉키 세이조 가부시끼가이샤 컬러필터용 착색 조성물 및 컬러필터
KR20110091742A (ko) * 2008-11-03 2011-08-12 바스프 에스이 광개시제 혼합물
KR20140029521A (ko) * 2011-06-17 2014-03-10 다이요 잉키 세이조 가부시키가이샤 광경화성 열경화성 수지 조성물
KR20150120627A (ko) * 2014-04-18 2015-10-28 주식회사 위즈켐 도광판 미세 패턴 형성용 광경화형 임프린팅 조성물 및 그 임프린팅 도광판과, 이를 포함하는 백라이트 유니트 및 디스플레이 장치
KR20160060754A (ko) * 2013-09-27 2016-05-30 코닝 인코포레이티드 디스플레이 유리를 보호하기 위한 조성물 및 이의 사용 방법

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160124449A (ko) 2015-04-20 2016-10-28 김성철 Uv패턴이 형성된 모바일 및 it기기용 윈도우 글라스 uv성형 제조방법 및 윈도우 글라스

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060043148A (ko) * 2004-02-23 2006-05-15 도요 잉키 세이조 가부시끼가이샤 컬러필터용 착색 조성물 및 컬러필터
KR20110091742A (ko) * 2008-11-03 2011-08-12 바스프 에스이 광개시제 혼합물
KR20140029521A (ko) * 2011-06-17 2014-03-10 다이요 잉키 세이조 가부시키가이샤 광경화성 열경화성 수지 조성물
KR20160060754A (ko) * 2013-09-27 2016-05-30 코닝 인코포레이티드 디스플레이 유리를 보호하기 위한 조성물 및 이의 사용 방법
KR20150120627A (ko) * 2014-04-18 2015-10-28 주식회사 위즈켐 도광판 미세 패턴 형성용 광경화형 임프린팅 조성물 및 그 임프린팅 도광판과, 이를 포함하는 백라이트 유니트 및 디스플레이 장치

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023039882A1 (fr) * 2021-09-14 2023-03-23 Tcl华星光电技术有限公司 Panneau d'affichage et son procédé de préparation

Also Published As

Publication number Publication date
KR102087921B1 (ko) 2020-03-11
KR20190124072A (ko) 2019-11-04

Similar Documents

Publication Publication Date Title
KR100396231B1 (ko) 착색된 상 형성 물질 및 그로부터 제조된 컬러필터
WO2013018986A1 (fr) Composé polymère comprenant un colorant et composition de résine durcissable le contenant
WO2013147422A1 (fr) Composé colorant pourpre à base de xanthène, composition de résine colorée le comprenant pour un filtre coloré et filtre coloré l'utilisant
CN111796484A (zh) 着色感光性树脂组合物、滤色器和具备其的图像显示装置
JP2016143062A (ja) 着色感光性樹脂組成物、これによって製造されたカラムスペーサ及びこれを具備した液晶表示装置
CN104395824A (zh) 碱显影性感光性组合物
CN111596522A (zh) 着色组合物以及含有其的着色抗蚀剂组合物
CN104559313A (zh) 着色剂分散液
WO2019209047A1 (fr) Encre colorée de photolithographie
KR100787715B1 (ko) 감광성 수지 조성물 및 이를 이용한 블랙매트릭스
CN105669892B (zh) 一种溶剂型共聚树脂及其组合物
JP2005331938A (ja) ブラックマトリックス用感光性組成物
JPH1039503A (ja) カラーレジスト組成物
KR102087885B1 (ko) 스프레이용 포토리소그래피 컬러 잉크
KR102279562B1 (ko) 착색 감광성 수지 조성물, 이로부터 제조된 컬러필터 및 이를 구비한 액정표시장치
WO2019209049A1 (fr) Encre couleur pulvérisable pour photolithographie
JP2001064519A (ja) 緑色樹脂組成物、感光性緑色樹脂組成物、緑色画像形成用感光液、着色画像の製造方法及びカラーフィルターの製造方法
KR20100037002A (ko) 컬러 필터용 안료 분산물 및 그것을 함유하는 컬러 필터용 안료 분산 레지스트 조성물
WO2015064950A1 (fr) Composition d'encre pour tampographie
CN104914670B (zh) 白色感光性树脂组合物、使用其的硬化物及含有该硬化物为组成成分的触摸面板
US20090068574A1 (en) Substrate with bank, and substrate with color pattern
JPH11209631A (ja) 緑色樹脂組成物、感光性緑色樹脂組成物、緑色画像形成用感光液、着色画像の製造法及びカラーフィルターの製造法
JPH11310716A (ja) 緑色樹脂組成物、感光性緑色樹脂組成物、緑色画像形成用感光液、着色画像の製造法及びカラーフィルターの製造法
CN112666795B (zh) 碱溶性树脂、感光性树脂组合物及滤光片
TW201930385A (zh) 含氟活性能量線硬化性樹脂、撥液劑、包含其之樹脂組成物及硬化膜

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19793823

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19793823

Country of ref document: EP

Kind code of ref document: A1