Patents Assigned to Echem Solutions Corp.
  • Patent number: 12242188
    Abstract: A photosensitive resin composition for imprinting, a cured article and an optical element are provided. The photosensitive resin composition for imprinting includes a resin (A), an ethylenically unsaturated monomer (B), a photoinitiator (C), a solvent (D), and a hydrophobic oligomer (E). The resin (A) has a weight average molecular weight of 1,000 to 50,000 and has two or more ethylenic polymerizable groups.
    Type: Grant
    Filed: January 6, 2022
    Date of Patent: March 4, 2025
    Assignee: eChem Solutions Corp.
    Inventors: Chin-Chen Huang, Yu-Lun Li, Chen-Wen Chiu
  • Patent number: 12222642
    Abstract: A photosensitive composition, a color filter prepared by using the photosensitive composition and a method for preparing the color filter. The photosensitive composition includes an alkali-soluble resin (A); an ethylenically unsaturated monomer (B); a photopolymerization initiator (C); a solvent (D); and a colorant (E), wherein the content of the photopolymerization initiator (C) is from 32 parts by weight to 70 parts by weight based on 100 parts by weight of the ethylenically unsaturated monomer(B).
    Type: Grant
    Filed: June 5, 2019
    Date of Patent: February 11, 2025
    Assignee: eChem Solutions Corp.
    Inventors: Yi-Sheng Wu, Hsin-Chieh Yang, Ping-Sung Tsai
  • Patent number: 12157815
    Abstract: A polyimide resin composition, a polyimide resin adhesive layer, a laminate, and a manufacturing method of an electronic component are provided. The polyimide resin composition includes a polyimide resin. The polyimide resin is obtained by the polymerization reaction of a diamine (A) and a tetracarboxylic dianhydride (B). The diamine (A) includes a diamine (A-1) represented by following Formula (I-1) and a diamine (A-2) represented by following Formula (I-2). A molar ratio ((A-1):(A-2)) of the diamine (A-1) to the diamine (A-2) is 0.1:0.2 to 0.6.
    Type: Grant
    Filed: June 21, 2021
    Date of Patent: December 3, 2024
    Assignee: eChem Solutions Corp.
    Inventors: Yung-Yu Lin, Chi-Yu Lai, Che-Wei Chang
  • Patent number: 11999868
    Abstract: A resin composition and a filter element are provided. The resin composition includes a black coloring agent (A), an ethylenically-unsaturated monomer (B), a solvent (C), a resin (D), and a photoinitiator (E). The black coloring agent (A) includes a titanium black (A-1) and a carbon black (A-2). Based on a total usage amount of 100 parts by weight of the titanium black (A-1) and the carbon black (A-2), a usage amount of the titanium black (A-1) is 50 parts by weight to 75 parts by weight.
    Type: Grant
    Filed: January 7, 2021
    Date of Patent: June 4, 2024
    Assignee: eChem Solutions Corp.
    Inventors: Yu-Wen Chen, Yi-Lun Chiu, Chia-Hao Lou, Chen-Wen Chiu
  • Patent number: 11919997
    Abstract: A white photosensitive resin composition, a white spacer, a light conversion layer, and a light-emitting device are provided. The white photosensitive resin composition includes a polymerizable compound (A), an alkali-soluble resin (B), a photopolymerization initiator (C), a solvent (D), and a white pigment (E). The polymerizable compound (A) includes an ethylenically-unsaturated monomer (A-1) represented by formula (I-1) and a thiol compound (A-2) having two or more thiol groups in one molecule, wherein based on 100 mass % of the polymerizable compound (A), a total content of the ethylenically-unsaturated monomer (A-1) and the thiol compound (A-2) is 10 mass % to 98 mass %.
    Type: Grant
    Filed: May 25, 2021
    Date of Patent: March 5, 2024
    Assignee: eChem Solutions Corp.
    Inventors: Meng-Po Liu, Yu-Chun Chen
  • Patent number: 11914292
    Abstract: The photosensitive resin composition includes an alkali-soluble resin (A), an ethylenically-unsaturated monomer (B), a photopolymerization initiator (C), a solvent (D), and a pigment (E). The alkali- soluble resin (A) includes an alkali-soluble resin (A-1), wherein the alkali-soluble resin (A-1) includes a structural unit represented by formula (I-1) and a structural unit represented by formula (I-2). The photopolymerization initiator (C) includes an acylphosphine oxide compound represented by formula (III-1).
    Type: Grant
    Filed: May 5, 2021
    Date of Patent: February 27, 2024
    Assignee: eChem Solutions Corp.
    Inventors: Ya-Qian Chen, Yu-Chun Chen
  • Patent number: 11851236
    Abstract: A pipe connectable plastic bucket includes a bucket and at least two quick-connect devices. The bucket has a plurality of through holes for communication between the inside and the outside of the bucket. The at least two quick-connect devices respectively correspond to the plurality of through holes, and are disposed on the bucket. The at least two quick-connect devices are adapted to connect to pipes, and are used for allowing a fluid entering and exiting the bucket through the plurality of the through holes. The at least two quick-connect devices comprise a first quick-connect device for allowing the liquid to enter and to exit the bucket. The present invention also provides a method of using the pipe connectable plastic bucket.
    Type: Grant
    Filed: March 22, 2022
    Date of Patent: December 26, 2023
    Assignee: eChem Solutions Corp.
    Inventors: Chen Ya Kao, Tz Jin Yang
  • Patent number: 11851597
    Abstract: An etchant composition, a tackifier, an alkaline solution, a method of removing polyimide and an etching process are provided. The etchant composition includes a tackifier (A) and an alkaline solution (B). The tackifier (A) includes a resin containing a hydroxyl group (a), a surfactant (b) and a first solvent (c1). The alkaline solution (B) includes an alkaline compound (d) and a second solvent (c2).
    Type: Grant
    Filed: April 27, 2021
    Date of Patent: December 26, 2023
    Assignee: eChem Solutions Corp.
    Inventors: Yu-Ning Chen, Ming-Che Chung
  • Publication number: 20230323134
    Abstract: A photosensitive resin composition and a cured product are provided. The photosensitive resin composition includes an alkali-soluble resin (A), polymerizable monomer (B), an antioxidant (C), a photoinitiator (D) and a solvent (E). The weight average molecular weight of the alkali-soluble resin (A) is 5,000 to 40,000. The polymerizable monomer (B) includes an ethylenically unsaturated monomer (B1), an epoxy monomer (B2) or the combination thereof. The alkali-soluble resin (A) includes at least one of a structural unit represented by following Formula (A-1) to Formula (A-4). In Formula (A-1) to Formula (A-4), the definition of R1 to R3, m, n and * are the same as defined in the detailed description.
    Type: Application
    Filed: April 7, 2023
    Publication date: October 12, 2023
    Applicant: eChem Solutions Corp.
    Inventors: Hsiao-Chi Chiu, Jui-Yu Hsu
  • Publication number: 20230324793
    Abstract: A photosensitive resin composition and a cured product are provided. The photosensitive resin composition includes an alkali-soluble resin (A), polymerizable monomer (B), a thermal acid generator (D), a photoinitiator (E) and a solvent (F). The weight average molecular weight of the alkali-soluble resin (A) is 5,000-40,000. The polymerizable monomer (B) includes an epoxy monomer (B1), ethylenically unsaturated monomer (B2) or the combination thereof. The thermal acid generator (D) includes hexafluoroonium salt. The epoxy monomer (B1) includes a compound represented by following Formula (B-1). In Formula (B-1), the definition of X1 to X3 and Z4 to Z6 are the same as defined in the detailed description.
    Type: Application
    Filed: April 7, 2023
    Publication date: October 12, 2023
    Applicant: eChem Solutions Corp.
    Inventors: Hsiao-Chi Chiu, Jui-Yu Hsu
  • Publication number: 20230295366
    Abstract: A polyimide precursor, a preparation method thereof, a photosensitive resin composition and a cured product are provided. The polyimide precursor is obtained from a tetracarboxylic dianhydride (A), a diamine (B), and a hydroxyl-containing alkyl (meth)acrylate (C) through ring-opening substitution, and polymerization. The polyimide precursor does not include fluorine. The tetracarboxylic dianhydride (A) and the diamine (B) form a main chain. The hydroxyl-containing alkyl (meth)acrylate (C) is grafted to the main chain to form a branch. A molar ratio of the tetracarboxylic dianhydride (A) to the diamine (B) if from 1:0.95 to 1:1.10.
    Type: Application
    Filed: March 10, 2023
    Publication date: September 21, 2023
    Applicant: eChem Solutions Corp.
    Inventors: Wei-Chung Liang, Kuo-Chu Yeh
  • Publication number: 20230212414
    Abstract: A resin composition, an anti-etching layer and an etching method are provided. The resin composition includes a resin (A), a crosslinking agent (B), a surfactant (C), and a solvent (D). The resin (A) includes a hydroxyl type polystyrene resin (A-1), a hydroxyl type phenolic resin (A-2), a polyhydroxy phenol resin (A-3), or a combination thereof. The crosslinking agent (B) includes a structure of novolac epoxy resin type (B-1), polymethyl methacrylate type (B-2), maleimide type (B-3) or hyperbranched oligomer (B-4).
    Type: Application
    Filed: December 29, 2022
    Publication date: July 6, 2023
    Applicant: eChem Solutions Corp.
    Inventors: Yu-Ning Chen, Shao-Li Ho, Jia Jheng Lin, Hui-Ju Chen
  • Publication number: 20230125656
    Abstract: An ink composition, a light conversion layer and a light emitting device are provided. The resin composition includes a quantum dot (A), a first resin (B1), a second resin (B2), an ethylenically unsaturated monomer (C), an initiator (D) and a solvent (E). The first resin (B1) is an alkali-insoluble resin, and the second resin (B2) is an alkali-soluble resin. The first resin (B1) includes a compound represented by the following Formula (1): In Formula (1), n is an integer from 1 to 10, X is benzene, toluene or naphthalene, and Y is toluene, methylnaphthalene, tetrahydrodicyclopentadiene, or 4,4?-dimethyl-1,1?-biphenyl.
    Type: Application
    Filed: September 7, 2022
    Publication date: April 27, 2023
    Applicant: eChem Solutions Corp.
    Inventors: Chun-Kuan Tai, Hsiao-Jen Lai, Yu-Chun Chen
  • Publication number: 20230107355
    Abstract: A resin composition and a cured film are provided. The resin composition includes a monomer mixture (A), a siloxane compound (B), a curing agent (C), and inorganic particles (D). The monomer mixture (A) includes a bisphenol fluorene compound (A-1) represented by Formula (I-1). The siloxane compound (B) has a group represented by Formula (II-a).
    Type: Application
    Filed: September 28, 2022
    Publication date: April 6, 2023
    Applicant: eChem Solutions Corp.
    Inventors: Ya-Qian Chen, Yu-Chun Chen
  • Publication number: 20230099041
    Abstract: A photosensitive resin composition, an optical film and a method of producing the same are provided. The photosensitive resin composition includes a thiol compound (A) having two or more groups represented by formula (I-a), a polyether-modified polysiloxane (B), an ethylenically unsaturated group-containing compound (C) having one or two aromatic rings, a bisphenol fluorene oligomer (D) having one or two (meth)acryloyl groups, and a photoinitiator (E).
    Type: Application
    Filed: September 7, 2022
    Publication date: March 30, 2023
    Applicant: eChem Solutions Corp.
    Inventors: Jui-Yu Hsu, Chia-Hao Lou, Chen-Wen Chiu
  • Patent number: 11609496
    Abstract: The present invention provides a method for forming a patterned polyimide layer with the use of a positive photoresist composition. The composition comprises a cresol-type novolac resin, a diazonaphthoquinone-based sensitizer and an organic solvent; based on the cresol-type novolac resin with a total amount of 100 parts by weight, the amount of the diazonaphthoquinone-based sensitizer ranges from 40 parts to 60 parts by weight, the amount of the free cresol in the cresol-type novolac resin is lower than 2 parts by weight, and the alkaline dissolution rate (ADR) of the cresol-type novolac resin in an aqueous solution of 3.5 wt % to 7 wt % tetramethylammonium hydroxide is lower than 285 ?/s. The positive photoresist composition has excellent chemical resistance to the polyimide stripper, and can specifically improve the protective ability of the photoresist layer to the low-dielectric polyimide layer, thereby optimizing the manufacturing process and quality of the patterned polyimide layer.
    Type: Grant
    Filed: June 23, 2020
    Date of Patent: March 21, 2023
    Assignee: ECHEM SOLUTIONS CORP.
    Inventors: Ting-Wei Chang, Ming-Che Chung
  • Patent number: 11603458
    Abstract: A black resin composition, a cured film, and a black filter are provided. The black resin composition includes: a black coloring agent (A), an ethylenically-unsaturated monomer (B), a solvent (C), a resin (D), a photoinitiator (E), a UV absorber (F), and a surfactant (G). The resin (D) includes a first resin having a weight-average molecular weight of 2,000 to 20,000. The first resin includes a structural unit having a fluorene ring and two or more ethylenically-polymerizable groups. The UV absorber (F) includes a benzylidene-based derivative.
    Type: Grant
    Filed: August 26, 2021
    Date of Patent: March 14, 2023
    Assignee: eChem Solutions Corp.
    Inventors: Chin-Chen Huang, Yu-Wen Chen, Yu-Lun Li, Chen-Wen Chiu
  • Patent number: 11603426
    Abstract: A resin composition, a light conversion layer and a light emitting device are provided. The resin composition includes a quantum dot (A), an alkali-soluble resin (B), an ethylenically unsaturated monomer (C), a photoinitiator (D), a solvent (E) and a phenyl-based compound (F). The phenyl-based compound (F) includes at least one of a compound represented by following Formula (F-1) and a compound represented by following Formula (F-2). Based on a total usage amount of the resin composition as 100 parts by weight, a usage amount of the phenyl-based compound (F) is 0.05 to 5 parts by weight. In Formula (F-1) and Formula (F-2), the definition of R1, R3, R4, Y, Z, m, n and p are the same as defined in the detailed description.
    Type: Grant
    Filed: April 23, 2021
    Date of Patent: March 14, 2023
    Assignee: eChem Solutions Corp.
    Inventors: Hsiao-Jen Lai, Yu-Chun Chen
  • Publication number: 20220404698
    Abstract: A black light-shielding photosensitive resin composition, a black matrix, a black light-shielding film, a frame, and a filling material for a splicing area are provided. The black light-shielding photosensitive resin composition includes a resin (A), a pigment (B), a monomer (C), an initiator (D), and a solvent (E). The resin (A) includes an epoxy resin (A-1) and a resin (A-2) having an ethylenic unsaturated functional group. The pigment (B) includes black particles (B-1) and hollow particles (B-2).
    Type: Application
    Filed: May 23, 2022
    Publication date: December 22, 2022
    Applicant: eChem Solutions Corp.
    Inventors: Meng-Po Liu, Yu-Chun Chen
  • Publication number: 20220275205
    Abstract: A polyimide resin composition, a polyimide resin adhesive layer, a laminate, and a manufacturing method of an electronic component are provided. The polyimide resin composition includes a polyimide resin. The polyimide resin is obtained by the polymerization reaction of a diamine (A) and a tetracarboxylic dianhydride (B). The diamine (A) includes a diamine (A-1) represented by following Formula (I-1) and a diamine (A-2) represented by following Formula (I-2). A molar ratio ((A-1):(A-2)) of the diamine (A-1) to the diamine (A-2) is 0.1:0.2 to 0.6.
    Type: Application
    Filed: June 21, 2021
    Publication date: September 1, 2022
    Applicant: eChem Solutions Corp.
    Inventors: Yung-Yu Lin, Chi-Yu Lai, Che-Wei Chang