Patents Assigned to Cheil Industries
  • Polyamide resin composition
    Patent number: 8431636
    Abstract: A polyamide resin composition according to the present invention comprises (A) crystalline polyamide resin having a glass transition temperature (Tg) of about 50 to about 100° C.; (B) crystalline polyamide resin having a glass transition temperature (Tg) of about 110 to about 160° C.; (C) inorganic filler; (D) white pigment; and (E) light stabilizer, and can have excellent surface gloss, surface reflectance, heat resistance, mechanical strength, moldability, light stability and discoloration resistance.
    Type: Grant
    Filed: December 28, 2011
    Date of Patent: April 30, 2013
    Assignee: Cheil Industries Inc.
    Inventors: Sang Hwa Lee, In Sik Shim, In Geol Baek, Pil Ho Kim, Jong Cheol Lim
  • Photoalignment agent of liquid crystal, photoalignment film of liquid crystal including the same, and liquid crystal display including the same
    Patent number: 8425799
    Abstract: The present invention provides a liquid crystal photoalignment agent that includes a compound selected from the group consisting of a polyamic acid having a predetermined chemical formula, a polyimide polymer having a predetermined chemical formula, and a combination thereof, and a polyimide photopolymer. The liquid crystal photoalignment agent shows a long life-span, stably maintains a pretilt angle, and shows improved after-image characteristics, liquid crystal alignment properties, and chemical resistance.
    Type: Grant
    Filed: December 31, 2007
    Date of Patent: April 23, 2013
    Assignee: Cheil Industries Inc.
    Inventors: Tae-Hyoung Kwak, Dong-Seon Uh, Jae-Min Oh, Jae-Deuk Yang
  • Polycarbonate resin composition and preparation method thereof
    Patent number: 8420727
    Abstract: A polycarbonate resin composition with excellent rigidity (flexural strength) and impact resistance, and a method of preparing the same are disclosed. The polycarbonate resin composition includes 1 to 70 parts by weight of a filament filler of 5˜30 mm based on 100 parts by weight of the total amount of a first polycarbonate resin (A) having a weight-average molecular weight of 25,000 g/mol or less, the filament filler (B), and one of a second polycarbonate resin (C) having a weight-average molecular weight of more than 25,000 g/mol and a rubber-modified styrene graft copolymer resin and a styrene copolymer resin (C?). The polycarbonate resin composition provides high rigidity and impact strength, and thus is useful to manufacture a variety of molded articles such as mobile products, electronic components, etc.
    Type: Grant
    Filed: August 6, 2008
    Date of Patent: April 16, 2013
    Assignee: Cheil Industries Inc.
    Inventors: Kyoung Tae Kim, Chang Min Hong
  • Photoresist composition for color filter protective layer, color filter protective layer including the same, and image sensor including the same
    Patent number: 8420296
    Abstract: Disclosed is a photosensitive resin composition for a color filter protective layer including a cross-linkable alkali soluble resin including a repeating unit represented by the following Chemical Formula 1, a reactive unsaturated compound, a photopolymerization initiator, and a solvent. In Chemical Formulae 1 to 3, R1 to R6 and A1 to A3 are the same as in the detailed description.
    Type: Grant
    Filed: August 26, 2010
    Date of Patent: April 16, 2013
    Assignee: Cheil Industries Inc.
    Inventors: Jae-Hyun Kim, Se-Young Choi, Nam-Gwang Kim, Eui-June Jeong, Chang-Min Lee
  • Aromatic ring-containing polymer, polymer mixture, antireflective hardmask composition, and associated methods
    Patent number: 8420289
    Abstract: An aromatic ring-containing polymer, a polymer mixture, an antireflective hardmask composition, and a method for patterning a material on a substrate, the aromatic ring-containing polymer including at least one aromatic ring-containing polymer represented by Formulae 1, 2, or 3.
    Type: Grant
    Filed: October 1, 2009
    Date of Patent: April 16, 2013
    Assignee: Cheil Industries, Inc.
    Inventors: Min Soo Kim, Dong Seon Uh, Chang Il Oh, Kyong Ho Yoon, Kyung Hee Hyung, Jin Kuk Lee, Jong-Seob Kim, Hwan Sung Cheon, Irina Nam, Nataliya Tokareva
  • Thermoplastic resin composition having electrical conductivity, wear resistance and high heat resistance
    Patent number: 8419979
    Abstract: The thermoplastic resin composition of present invention comprises (A) about 50 to about 90% by weight polyphenylene sulfide resin; (B) about 5 to about 30% by weight graphite; (C) about 5 to about 30% by weight fluoropolyolefin resin; (D) about 1 to about 10% by weight whiskers; and (E) about 0.01 to about 10% by weight carbon nanotubes. The thermoplastic resin composition can exhibit electrical conductivity, wear resistance and heat resistance.
    Type: Grant
    Filed: February 18, 2011
    Date of Patent: April 16, 2013
    Assignee: Cheil Industries Inc.
    Inventors: Sang Wan Kim, Sun Ho Park, Young Kyu Chang, Young Sil Lee
  • Conductive paste composition and electrode prepared using the same
    Patent number: 8419981
    Abstract: A conductive paste composition and an electrode prepared using the same, the conductive paste composition including a conductive powder a binder resin; and a solvent, wherein the conductive powder includes a flake type powder having an average particle diameter (D50) of about 1.2 ?m to about 3.0 ?m, and a spherical powder having an average particle diameter (D50) of about 0.2 ?m to about 2.0 ?m, the flake type powder and the spherical powder are present in a weight ratio of about 1:0.4 to about 1:2, and the conductive powder and the binder resin are present in a weight ratio of about 1:0.04 to about 1:0.08.
    Type: Grant
    Filed: August 15, 2011
    Date of Patent: April 16, 2013
    Assignee: Cheil Industries, Inc.
    Inventor: Young Wook Choi
  • Anisotropic conductive film composition
    Patent number: 8419978
    Abstract: An anisotropic conductive film (ACF) composition includes a binder having a thermoplastic resin and a styrene-acrylonitrile (SAN) copolymer resin, a curing composition, and conductive particles.
    Type: Grant
    Filed: January 28, 2011
    Date of Patent: April 16, 2013
    Assignee: Cheil Industries, Inc.
    Inventors: Hyoun Young Kim, Chang Bum Chung, Jeong Ku Kang, Jung Sik Choi
  • Positive photosensitive resin composition
    Patent number: 8420287
    Abstract: Disclosed is a positive photosensitive resin composition that includes: (A) a polybenzoxazole precursor including a repeating unit represented by the Chemical Formula 1, a repeating unit represented by the Chemical Formula 2, or a combination thereof, and a thermally polymerizable functional group at least one terminal end of the polybenzoxazole precursor; (B) a photosensitive diazoquinone compound; (C) a silane compound; (D) a phenol compound including a cross-linking functional group; and (E) a solvent.
    Type: Grant
    Filed: July 13, 2010
    Date of Patent: April 16, 2013
    Assignee: Cheil Industries Inc.
    Inventors: Ji-Young Jeong, Min-Kook Chung, Hyun-Yong Cho, Doo-Young Jung, Jong-Hwa Lee, Yong-Sik Yoo, Jeong-Woo Lee, Hwan-Sung Cheon
  • Flexible substrate for display panel and manufacturing method thereof
    Patent number: 8415003
    Abstract: A flexible substrate for a display panel and a manufacturing method thereof is disclosed. The flexible substrate may include a first film having a glass cloth located within a first heat-resistant resin, and a second film laminated on at least one side of the first film. The second film may include a second heat-resistant resin. The flexible substrate may further include an intermediate material between the first film and the second film. The intermediate material may be applied to an outer part of the first film and may adhere the first film to the second film.
    Type: Grant
    Filed: October 21, 2009
    Date of Patent: April 9, 2013
    Assignee: Cheil Industries Inc.
    Inventors: KiYeon Lee, KyeongTaek Jung, KyuDong Lee
  • Aromatic ring-containing polymer for underlayer of resist and resist underlayer composition including the same
    Patent number: 8415424
    Abstract: An aromatic ring-containing polymer for an underlayer of a resist, including a unit structure represented by Chemical Formula 1:
    Type: Grant
    Filed: July 2, 2012
    Date of Patent: April 9, 2013
    Assignee: Cheil Industries, Inc.
    Inventors: Min-Soo Kim, Hwan-Sung Cheon, Sung-Wook Cho, Seung-Bae Oh, Jee-Yun Song
  • POLYCARBONATE AND METHOD OF PREPARING THE SAME
    Publication number: 20130085252
    Abstract: Polycarbonate includes repeat units represented by Formula 1, Formula 2 and Formula 3, respectively: wherein: R1 and R2 are the same or different and are each independently substituted or unsubstituted C1 to C6 alkyl, substituted or unsubstituted C3 to C6 cycloalkyl, substituted or unsubstituted C6 to C12 aryl or halogen, a and b are the same or different and are each independently an integer from 0 to 4, and Q is substituted or unsubstituted C5 to C10 cycloalkyl.
    Type: Application
    Filed: December 16, 2011
    Publication date: April 4, 2013
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: O Sung KWON, Jun Ho CHI, Jong Chan HUR, Chang Heon LEE, Bok Nam JANG
  • Phosphorus compound, method of preparing the same and flame retardant thermoplastic resin composition including the same
    Patent number: 8410203
    Abstract: Disclosed herein is a phosphorus compound represented by Formula 1: wherein each R is the same or different and is independently hydrogen, C1-C6 alkyl or C6-C12 aryl.
    Type: Grant
    Filed: October 12, 2011
    Date of Patent: April 2, 2013
    Assignee: Cheil Industries Inc.
    Inventors: Min Soo Lee, Im Hyuck Bae, Seon Ae Lee, Sang Hyun Hong, Chang Hong Ko, Boem Jun Joo, Jin Hwan Kim, Ik Hyun Yu, Thi Hai Vo, Thanh Kieu Giang, Thi Thuy Hang Nguyen
  • Glass fiber-reinforced polyester resin composition and molded product using the same
    Patent number: 8410198
    Abstract: A glass fiber-reinforced polyester resin composition including: (A) about 30 to about 80 wt % of two or more kinds of polyester resin; (B) about 20 to about 70 wt % of a vinyl-based copolymer including an acrylic-based graft copolymer, a rubber modified vinyl-based graft copolymer, a copolymer of aromatic vinyl monomers and unsaturated nitrile monomers, or a combination thereof; and (C) about 10 to about 100 parts by weight of glass fiber, based on about 100 parts by weight of the total amount of the polyester resin (A) and the vinyl-based copolymer (B), wherein the polyester resin includes polyethylene terephthalate resin having crystallinity of about 40% or more, is provided.
    Type: Grant
    Filed: December 7, 2010
    Date of Patent: April 2, 2013
    Assignee: Cheil Industries Inc.
    Inventors: Ywan-Hee Lee, Doo-Han Ha, Jin-Young Huh, Young-Seok Chang
  • Bishydroxyarylsiloxane compound and method of preparing the same
    Patent number: 8410238
    Abstract: Disclosed is a bishydroxyarylsiloxane compound. The bishydroxyarylsiloxane compound has a novel structure in which a particular moiety is introduced between siloxane blocks. Due to this structure, the physical properties of a copolymer of the bishydroxyarylsiloxane compound and a polymer can be tuned. Further disclosed is a method for preparing the bishydroxyarylsiloxane compound.
    Type: Grant
    Filed: December 29, 2010
    Date of Patent: April 2, 2013
    Assignee: Cheil Industries Inc.
    Inventors: Chang Hong Ko, Min Soo Lee, Sang Hyun Hong, Beom Jun Joo, Won Gi Lee
  • Polycarbonate and method of preparing the same
    Patent number: 8410240
    Abstract: Polycarbonate includes repeat units represented by Formula 1, Formula 2 and Formula 3, respectively: wherein: R1 and R2 are the same or different and are each independently substituted or unsubstituted C1 to C6 alkyl, substituted or unsubstituted C3 to C6 cycloalkyl, substituted or unsubstituted C6 to C12 aryl or halogen, a and b are the same or different and are each independently an integer from 0 to 4, and Q is substituted or unsubstituted C5 to C10 cycloalkyl.
    Type: Grant
    Filed: December 16, 2011
    Date of Patent: April 2, 2013
    Assignee: Cheil Industries Inc.
    Inventors: O Sung Kwon, Jun Ho Chi, Jong Chan Hur, Chang Heon Lee, Bok Nam Jang
  • Polyarylene ether and method for preparing the same
    Patent number: 8404798
    Abstract: Polyarylene ether is polymerized using a dissolving agent including anisole, wherein the polyarylene ether includes about 1 to about 3,000 ppm of anisole.
    Type: Grant
    Filed: December 13, 2011
    Date of Patent: March 26, 2013
    Assignee: Cheil Industries Inc.
    Inventors: Yong Tae Kim, Jin Kyu Kim, Bok Nam Jang, Joong In Kim, Young Jun Kim, Ji Heung Kim, Chang Jae Lee
  • In-mold type RF antenna, device including the same, and associated methods
    Patent number: 8400363
    Abstract: An in-mold type RF antenna, a device including the same, and associated methods, a method including stacking a copper foil on a base film, forming an antenna film by processing the copper foil to form an RF antenna pattern thereon, the antenna film being configured to be accommodated in a case of a device, disposing the antenna film in a mold for forming the case of the device, and forming the case having the antenna film integrally formed therewith by injecting a resin into the mold.
    Type: Grant
    Filed: January 7, 2010
    Date of Patent: March 19, 2013
    Assignee: Cheil Industries, Inc.
    Inventors: Kwang Hyun Nam, Jae Hwan Kim
  • Material for organic electro-optical device having fluorene derivative compound and organic electro-optical device including the same
    Patent number: 8399108
    Abstract: The present invention relates to a material for an organic electro-optical device and an organic electro-optical device including the same. More particularly, the present invention relates to a material having thermal stability of a glass transition temperature of 120° C. or more and a thermal decomposition temperature of 450° C. or more, and being capable of providing an organic electro-optical device having high efficiency and a long life-span due to less crystallization and improved amorphous properties in a material for an organic electro-optical device. The material for an organic electro-optical device can be used singularly or as a host material in combination with a dopant, and includes an asymmetric fluorene derivative compound. An organic electro-optical device including the material for an organic electro-optical device is also provided.
    Type: Grant
    Filed: May 28, 2008
    Date of Patent: March 19, 2013
    Assignee: Cheil Industries, Inc.
    Inventors: Eun-Sun Yu, Nam-Soo Kim, Young-Hoon Kim, Mi-Young Chae
  • Hyperbranched organic modifier, method of preparing thereof and organo-modified clay using the same
    Patent number: 8394878
    Abstract: The present invention provides a method of preparing a hyperbranched organic modifier which comprises reacting (a) a tertiary amine compound having at least two terminal hydroxyl groups with (b) at least one multifunctional monomer having at least two terminal functional groups capable of reacting with said hydroxyl groups. The present invention also provides an organo-modified clay treated with the hyperbranched organic modifier.
    Type: Grant
    Filed: December 31, 2007
    Date of Patent: March 12, 2013
    Assignee: Cheil Industries Inc.
    Inventors: Il Jin Kim, Kee Hae Kwon, Hyung Rang Moon, Jae Bum Park, Seong Ho Kong