Patents Assigned to Eternal Chemical Co., Ltd.
  • Patent number: 8580372
    Abstract: The present invention provides an optical film comprising a substrate having a first optical surface and a second surface and a micro structure layer on the first optical surface of the substrate, wherein the micro structure layer comprises a plurality of first light-adjusting structures selected from the group consisting of prism columnar structures, conical columnar structures, solid angle structures and orange-segment like structures and a combination thereof and a plurality of second light-adjusting structures selected from the group consisting of arc columnar structures, lens-like structures, and capsule-like structures and a combination thereof, wherein at least a portion of the second light-adjusting structures has a height greater than those of all the first light-adjusting structures. The optical film of the present invention will not suffer the damage caused on the microstructure layers while achieving a light-gathering effect and effectively reducing optical interference.
    Type: Grant
    Filed: November 7, 2008
    Date of Patent: November 12, 2013
    Assignee: Eternal Chemical Co., Ltd.
    Inventors: Ting-Yuang Wu, Hsung-Hsing Wang, Yi-Chia Wang
  • Patent number: 8580401
    Abstract: A curable material is provided. The curable material has the structure of formula I or formula II: wherein, X, R1, R2, m1 to m3, and n1 to n3 are defined as cited in the description.
    Type: Grant
    Filed: June 28, 2011
    Date of Patent: November 12, 2013
    Assignee: Eternal Chemical Co., Ltd.
    Inventors: Shinn-Horng Chen, Ruei-Tang Chen, Che-Wei Su
  • Publication number: 20130296485
    Abstract: A self-sensitive polymerizable liquid resin is provided, which contains an uncrosslinked Michael addition reaction product of the following components: a Michael donor, a Michael accepter and optionally a viscosity modifier. The Michael accepter has 5 to 18 acryloyl functional groups. The self-sensitive polymerizable liquid resin of the present invention is capable of being used as an aid in a coating composition and providing a good property in deep radiation curing, and is particularly applicable in color coatings.
    Type: Application
    Filed: May 3, 2013
    Publication date: November 7, 2013
    Applicant: ETERNAL CHEMICAL CO., LTD.
    Inventors: SHENG-YAO HSUEH, HUNG-YU WANG
  • Publication number: 20130284982
    Abstract: The present invention provides a conductive coating composition, which contains: a conductive organic polymer, a non-conductive organic compound, a solvent and optionally a curing agent; where the content of the conductive organic polymer is about 10% to about 50%, based on the total weight of the solids content in the composition. The present invention also provides a conductive film, which is formed by drying the conductive coating composition. The conductive film has a surface resistivity lower than 1000 ?/sq and a total light transmittance greater than 80%. The conductive coating composition of the present invention can be used as an electromagnetic interference shielding material or an electrode material, and can be applied to various electronic products.
    Type: Application
    Filed: April 9, 2013
    Publication date: October 31, 2013
    Applicant: Eternal Chemical Co., Ltd.
    Inventors: WEI-KAI CHEN, TU-YI WU, CHUNG-JEN CHANG, MENG-TSO CHEN
  • Publication number: 20130255762
    Abstract: The present invention pertains to a passivation layer disposed on a surface of a substrate for use in solar cells, including a first passivation layer formed on the substrate by screen printing. The present invention also pertains to a method for preparing the passivation layer structure. The method according to the present invention can prepare a passivation layer on a surface of a semiconductor substrate by screen printing, and during the screen printing, a patterning step can be performed simultaneously. Therefore, the present invention is able to produce the passivation layer in a more economic and faster manner.
    Type: Application
    Filed: February 12, 2013
    Publication date: October 3, 2013
    Applicants: NEW E MATERIALS CO., LTD., ETERNAL CHEMICAL CO., LTD.
    Inventors: FU-CHUAN FANG, JIA-HONG CHEN, JUI-YI HUNG, CHING-CHANG WEN
  • Publication number: 20130230940
    Abstract: An etch-resistant composition is provided. The etch-resistant composition comprises a polymer and a first organic solvent. The polymer is prepared by copolymerizing a polymerization unit comprising styrene-based monomer(s) and acrylate-based monomer(s), and has a weight average molecular weight of at least about 35,000. Based on the total weight of the etch-resistant composition, the amount of the polymer is about 20.0 to about 60.0 wt % and the amount of the solvent is about 40.0 to about 80.0 wt %. The etch-resistant composition can be used for preparing a selective emitter of a solar cell.
    Type: Application
    Filed: August 8, 2012
    Publication date: September 5, 2013
    Applicant: ETERNAL CHEMICAL CO., LTD.
    Inventors: Pei-Rong SHIEH, Tsai-Fa HSU, Po-Cho HSIAO
  • Patent number: 8492646
    Abstract: The invention relates to an electrolyte composition, comprising a polyether polymer, a polyethylene oxide, and a redox pair and optionally nano-particles.
    Type: Grant
    Filed: June 2, 2010
    Date of Patent: July 23, 2013
    Assignee: Eternal Chemical Co., Ltd.
    Inventors: An-I Tsai, Shinn-Horng Chen
  • Publication number: 20130172494
    Abstract: The present invention provides a polyimide precursor composition comprising a polyimide precursor and a thermal base generator having the structure of formula (1): wherein R1, R2, R3, R4, R5 and Y? are as defined in the specification. The present invention also provides a polyimide prepared from the aforementioned precursor composition, and a preparation method thereof.
    Type: Application
    Filed: December 21, 2012
    Publication date: July 4, 2013
    Applicant: Eternal Chemical Co., Ltd.
    Inventor: Eternal Chemical Co., Ltd.
  • Publication number: 20130170103
    Abstract: The present invention provides an electrolyte material formulation comprising: (a) a monomer of formula (I) (b) a monomer of formula (II) and (c) a polymerizable compound, wherein A, X, B1, B2, R1 to R3, q and w are defined as those recited in the specification, and the monomer (b) is in an amount of about 1 part by weight to about 800 parts by weight and the polymerizable compound (c) is in an amount of about 1 part by weight to about 10000 parts by weight based on 100 parts by weight of the monomer (a). The present invention further provides an electrolytic material composition obtained by the polymerization of the aforementioned electrolytic material formulation. The electrolytic material composition can be applied to a solid electrolyte capacitor.
    Type: Application
    Filed: December 18, 2012
    Publication date: July 4, 2013
    Applicants: GEMMY ELECTRONIC CO., LTD., ETERNAL CHEMICAL CO., LTD.
    Inventors: ETERNAL CHEMICAL CO., LTD., GEMMY ELECTRONIC CO., LTD.
  • Publication number: 20130172569
    Abstract: The present invention provides a base generator having the structure of formula (1): wherein R1, R2, R3, R4, R5, and Y{circle around (?)} are defined as in the specification. The base generator of the present invention can be used for imidization of a polyimide precursor, promoting crosslinking of epoxy monomers, or crosslinking of polyurethane or polyurea.
    Type: Application
    Filed: December 21, 2012
    Publication date: July 4, 2013
    Applicant: Eternal Chemical Co., Ltd.
    Inventor: Eternal Chemical Co., Ltd.
  • Publication number: 20130158140
    Abstract: The present invention relates to an anti-reflection coating composition containing hollow particles, an adhesive, and a hydrophobic organic solvent, wherein the weight ratio of the hollow particles to the solids content of the adhesive is in the range of 1:2 to 1:20. The present invention also provides a method for producing the anti-reflection coating composition.
    Type: Application
    Filed: December 14, 2012
    Publication date: June 20, 2013
    Applicant: ETERNAL CHEMICAL CO., LTD.
    Inventor: Eternal Chemical Co., Ltd.
  • Patent number: 8435424
    Abstract: A solvent-free conductive paste composition including (a) a binder, (b) an initiator, (c) a glass powder and (d) a conductive powder; and a solar cell element having an electrode or wire made by coating and sintering the conductive paste composition coated on a silicon semiconductor substrate. The conductive paste composition is solvent-free so that it will not cause environmental problems with respect to the evaporation of solvents and will not be easy to spread out. The conductive paste composition facilitates the development of fine wire and high aspect ratio designs and can efficiently enhance the photoelectric conversion efficiency.
    Type: Grant
    Filed: December 22, 2009
    Date of Patent: May 7, 2013
    Assignee: Eternal Chemical Co., Ltd.
    Inventor: Tsai-Fa Hsu
  • Publication number: 20130095426
    Abstract: The invention pertains to an isocyanate-modified photosensitive polyimide. The photosensitive polyimide of the invention possesses excellent heat resistance, chemical resistance and flexibility, and can be used in a liquid photo resist composition or dry film photo resist composition, or used in a solder resist, coverlay film, or printed wiring board.
    Type: Application
    Filed: December 3, 2012
    Publication date: April 18, 2013
    Applicant: ETERNAL CHEMICAL CO., LTD.
    Inventor: ETERNAL CHEMICAL CO., LTD.
  • Patent number: 8349539
    Abstract: The invention pertains to an isocyanate-modified photosensitive polyimide. The photosensitive polyimide of the invention possesses excellent heat resistance, chemical resistance and flexibility, and can be used in a liquid photo resist composition or dry film photo resist composition, or used in a solder resist, coverlay film, or printed wiring board.
    Type: Grant
    Filed: August 3, 2009
    Date of Patent: January 8, 2013
    Assignee: Eternal Chemical Co., Ltd.
    Inventors: Meng-Yen Chou, Chuan-Zong Lee
  • Patent number: 8310631
    Abstract: In this disclosure, a blue colorant is added in the adhesion layer of a reflective polarizer to compensate the chromaticity difference caused by the reflective polarizer itself and large horizontal viewing angle. The chromaticity difference can be further reduced by adding beads in the adhesion layer and/or forming light-gathering microstructures on the outer surface of the quarter wave plate of the reflective polarizer.
    Type: Grant
    Filed: December 16, 2009
    Date of Patent: November 13, 2012
    Assignee: Eternal Chemical Co., Ltd.
    Inventors: Yu-Ming Sun, Chin-Yi Liao
  • Patent number: 8236967
    Abstract: A diindenothiophene derivative of the following formula (1) is disclosed: wherein each of G1, G2, G3 and G4 is independently an unsubstituted or substituted C6-C40-aromatic group or a C1-C40-aliphatic group; A is an electron-withdrawing group; and D is an electron-donating group. The inventive diindenothiophene derivatives can be used in a dye-sensitized solar cell.
    Type: Grant
    Filed: December 28, 2009
    Date of Patent: August 7, 2012
    Assignee: Eternal Chemical Co., Ltd.
    Inventors: Shinn-Horng Chen, Ken-Tsung Wong, Ya-Yan Lin, Shih-Feng Chiu, Jia-Hong Chen
  • Patent number: 8114499
    Abstract: The subject invention provides an optical film comprising a substrate and a resin coating having a convex-concave structure on at least one surface of the substrate, wherein said resin coating comprises a plurality of organic particles and a binder, the organic particles being formed from a polyacrylate resin which comprises at least one multi-functional acrylate monomer as polymerization units, and said multi-functional acrylate monomer is in an amount from 30 wt % to 70 wt % based on the total weight of the monomers, and wherein the organic particles have a single mean particle size, the particle size distribution of the organic particles ranges within about ±30% of the mean particle size, and the organic particles are in an amount from about 110 to about 360 parts by weight per 100 parts by weight of the solids content of the binder.
    Type: Grant
    Filed: June 6, 2008
    Date of Patent: February 14, 2012
    Assignee: Eternal Chemical Co., Ltd.
    Inventors: Lung-Lin Hsu, Chun-Ting Wang
  • Patent number: 8110278
    Abstract: The subject invention relates to a scratch-resistant optical film, which comprises: (a) a transparent substrate having a first surface and a second surface; (b) a diffusion layer on the first surface of the substrate, which has a convex-concave structure and is comprised of a first hard coat layer comprising organic particles; (c) a scratch-resistant layer on the second surface of the substrate, which is comprised of a second hard coat layer; wherein the organic particles in the first hard coat layer are formed from a polyacrylate resin which comprises at least one multi-functional acrylate monomer as polymerization units, said multi-functional acrylate monomer being in an amount from 30 to 70 wt % based on the total weight of the monomer used, and wherein the organic particles have a single mean particle size and have a particle size distribution in the range within about ±5% of the mean particle size.
    Type: Grant
    Filed: June 12, 2008
    Date of Patent: February 7, 2012
    Assignee: Eternal Chemical Co., Ltd.
    Inventors: Lung-Lin Hsu, Shu-Hong Liu, Chun-Hung Chou
  • Patent number: 8105752
    Abstract: The invention pertains to an epoxy-modified photosensitive polyimide, which possesses excellent heat resistance, chemistry resistance, and flexibility, and can be used in a liquid photo resist or dry film resist, or used in a solder resist, coverlay film, or printed circuit board.
    Type: Grant
    Filed: August 3, 2009
    Date of Patent: January 31, 2012
    Assignee: Eternal Chemical Co., Ltd.
    Inventors: Meng-Yen Chou, Chuan Zong Lee
  • Patent number: 8101703
    Abstract: A process for preparing a precursor solution for polyimide/silica composite material and a process for forming a polyimide/silica composite material film on a substrate, including adding a monomer of a silane compound to allow a poly(amic acid) to carry a silica moiety; adding a monomer of formula (R6)xSi(R7)4-x to allow the silica moiety to carry a photo-polymerizable unsaturated group; adding a monomer of formula R8N(R9)2 to allow the poly(amic acid) to carry a photo-polymerizable unsaturated group, where R6, R7, R8, R9 and x are as defined in the specification. Also, a precursor solution for polyimide/silica composite material and a polyimide/silica composite material. The composite material is useful in microelectronic devices, semiconductor elements, and photoelectric elements.
    Type: Grant
    Filed: July 30, 2010
    Date of Patent: January 24, 2012
    Assignee: Eternal Chemical Co., Ltd
    Inventors: Chung-Jen Wu, Min-Chi Wang, Chung-Hung Chang, Meng-Yen Chou, Chin-Chang Chuang, Hsin-Wei Huang, Shu-Wan Lu, Chin-Min An, Chung-Hao Wu, Wen-Chang Chen, Cheng-Tyng Yen, Yu-Wen Wang, Kuo-Huang Hsieh