Patents Assigned to SHANJIN OPTOELECTRONICS (SUZHOU) CO., LTD.
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Patent number: 11860472Abstract: A solvent free-type photocurable resin composition for a polarizing plate protective layer includes an acryl-based prepolymer comprising a (meth)acrylate-based monomer as a polymerization unit; and an isocyanate-based crosslinking agent, wherein the acryl-based prepolymer is in a partially polymerized state, and viscosity at 25° C. is greater than or equal to 50 cPs and less than or equal to 300 cPs. A polarizing plate including the solvent free-type photocurable resin composition, and an image display device including the polarizing plate is also provided.Type: GrantFiled: September 20, 2018Date of Patent: January 2, 2024Assignee: SHANJIN OPTOELECTRONICS (SUZHOU) CO., LTD.Inventors: Mi So Lee, Yoonkyung Kwon, Sanghun Han
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Patent number: 11787971Abstract: A polarizing plate, an image display device comprising the same, and a photocurable composition for a polarizing plate protective layer are provided. The polarizing plate includes a polarizer; and a protective layer in contact with at least one surface of the polarizer. The protective layer is a cured material of a photocurable composition for a polarizing plate protective layer including a photopolymerizable compound, and a photocation polymerization initiator. The photopolymerizable compound includes a first epoxy-based compound, a second epoxy-based compound and an oxetane compound.Type: GrantFiled: November 23, 2018Date of Patent: October 17, 2023Assignee: SHANJIN OPTOELECTRONICS (SUZHOU) CO., LTD.Inventors: Mi So Lee, Sanghun Han, Yoonkyung Kwon
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Patent number: 11724484Abstract: A method for manufacturing a display unit according to an exemplary embodiment of one aspect of the present invention includes: unwinding a first film from a first film roll, and carrying the first film; attaching a second film onto the carried first film and forming an elongated film laminated body; forming a cutting line in the film laminated body in a width direction at intervals along a longitudinal direction and forming a film sheet piece; and laminating the film sheet piece on a first surface of a panel.Type: GrantFiled: December 20, 2018Date of Patent: August 15, 2023Assignee: SHANJIN OPTOELECTRONICS (SUZHOU) CO., LTD.Inventors: Beom Seok Lee, Hang Suk Choi, Eung Jin Jang
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Patent number: 11719869Abstract: A polarizing plate and a polarizing plate-carrier film laminate are provided. A method for manufacturing a polarizing plate-carrier film laminate and a method for manufacturing a polarizing plate using the same polarizing plate-carrier film laminate are also provided. An active energy ray curable composition for a polarizing plate protective layer is also provided.Type: GrantFiled: December 14, 2018Date of Patent: August 8, 2023Assignee: SHANJIN OPTOELECTRONICS (SUZHOU) CO., LTD.Inventors: Mi So Lee, Yoonkyung Kwon, Jin Woo Kim, Dong Uk Kim
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Patent number: 11680190Abstract: An optical laminate is provided where stable durability is secured even at a high temperature, particularly an ultrahigh temperature of about 100° C. or higher, a foaming phenomenon or the like in a pressure-sensitive adhesive layer is also suppressed or prevented, other physical properties required for the optical laminate are also excellent, and even in the case of being disposed adjacent to the electrode, corrosion of the relevant electrode or the like is not induced.Type: GrantFiled: November 9, 2018Date of Patent: June 20, 2023Assignee: Shanjin Optoelectronics (Suzhou) Co., Ltd.Inventors: Seul Ki Han, Dong Hun Lee, Hyun Hee Son
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Patent number: 11679583Abstract: A method of manufacturing a display unit including: preparing an optical film; forming a first alignment mark on the optical film; forming a cut-out line, corresponding to a predetermined closed curve layout, on the optical film based on a position of the first alignment mark; preparing a panel having a second alignment mark; aligning the optical film and the panel based on the positions of the first alignment mark and the second alignment mark; and laminating the optical film, after the processing of forming the cut-out line, on the panel.Type: GrantFiled: March 13, 2019Date of Patent: June 20, 2023Assignee: SHANJIN OPTOELECTRONICS (SUZHOU) CO., LTD.Inventors: Beom Seok Lee, Hang Suk Choi, Eung Jin Jang
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Patent number: 11680191Abstract: An optical laminate is provided where stable durability is secured even at a high temperature, particularly an ultra-high temperature of about 100° C. or higher, no white turbidity is caused, other physical properties required for the optical laminate are also excellent, and even in the case of being disposed adjacent to the electrode, corrosion of the relevant electrode or the like is not induced.Type: GrantFiled: November 29, 2018Date of Patent: June 20, 2023Assignee: SHANJIN OPTOELECTRONICS (SUZHOU) CO., LTD.Inventors: Dong Hun Lee, Seul Ki Han, Hyun Hee Son
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Patent number: 11613112Abstract: A polarizing plate and a polarizing plate-carrier film laminate are provided. A method for manufacturing a polarizing plate-carrier film laminate and a method for manufacturing a polarizing plate using the same are also provided. A polarizing plate, and an active energy ray curable composition for a polarizing plate are also provided.Type: GrantFiled: December 14, 2018Date of Patent: March 28, 2023Assignee: SHANJIN OPTOELECTRONICS (SUZHOU) CO., LTD.Inventors: Mi So Lee, Yoonkyung Kwon, Jin Woo Kim, Dong Uk Kim
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Patent number: 11572448Abstract: A polarizing plate-carrier film laminate and a polarizing plate are provided. A method to manufacture the polarizing plate-carrier film laminate and a method to manufacture a polarizing plate using the polarizing plate-carrier film laminate are also provided. The polarizing plate-carrier film laminate includes a polarizer, a bonding agent layer and a protective film sequentially on a first surface of the polarizer and a protective layer and a carrier film sequentially on a second surface of the polarizer.Type: GrantFiled: December 14, 2018Date of Patent: February 7, 2023Assignee: SHANJIN OPTOELECTRONICS (SUZHOU) CO., LTD.Inventors: Mi So Lee, Yoonkyung Kwon, Jin Woo Kim, Dong Uk Kim
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Patent number: 11518915Abstract: An adhesive composition is provided. The adhesive composition includes a polyvinyl alcohol-based resin; a melamine-based crosslinking agent; an acid catalyst; and a silane-based additive. The weight ratio of the melamine-based crosslinking agent and the acid catalyst is from 5:1 to 1:1. The acid catalyst also has a sulfonic acid group. A protective film and a polarizing plate including an adhesive layer including the adhesive composition, and an image display device including the polarizing plate is also provided.Type: GrantFiled: June 18, 2018Date of Patent: December 6, 2022Assignee: SHANJIN OPTOELECTRONICS (SUZHOU) CO., LTD.Inventors: Yoobin Kim, Hae Sung Cho, Hyun Hee Son, Changhwa Ahn, Jin Ah Seok, Jun Gu Yeo
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Patent number: 11512235Abstract: An adhesive composition and a polarizing plate including an adhesive layer formed using the same are disclosed herein. In some embodiments, an adhesive composition includes 3-ethyl-3-(2-ethylhexyloxy)methyloxetane, 3-ethyl-3-hydroxymethyloxetane, 3,3?-oxybis(methylene)bis(3-ethyloxetane), an acryl-based compound, an aromatic epoxy compound, and an alicyclic epoxy compound, wherein the 3-ethyl-3-(2-ethylhexyloxy)methyloxetane is present in an amount of 20 parts by weight to 40 parts by weight, the 3-ethyl-3-hydroxymethyloxetane is present in 2 parts by weight to 8 parts by weight, the 3,3?-oxybis(methylene)bis(3-ethyloxetane) is present in 2 parts by weight to 8 parts by weight, the acryl-based compound is present in 5 parts by weight to 20 parts by weight, the aromatic epoxy compound is present in 7 parts by weight to 40 parts by weight, and the alicyclic epoxy compound is present in 10 parts by weight to 50 parts by weight, based on 100 parts by weight of the adhesive composition.Type: GrantFiled: September 20, 2018Date of Patent: November 29, 2022Assignee: SHANJIN OPTOELECTRONICS (SUZHOU) CO., LTD.Inventors: Seongwook Kang, Jin Woo Kim, Dong Uk Kim, Yoonkyung Kwon
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Patent number: 11505728Abstract: An adhesive composition and a polarizing plate including an adhesive layer formed using the same are disclosed herein. In some embodiments, an adhesive composition includes 3-ethyl-3-(2-ethylhexyloxy)methyloxetane, 3-ethyl-3-hydroxymethyloxetane, 3,3?-oxybis(methylene)bis(3-ethyloxetane), an aromatic epoxy compound, and an alicyclic epoxy compound, wherein the 3-ethyl-3-(2-ethylhexyloxy)methyloxetane is present in an amount of 20 parts by weight to 50 parts by weight, the 3-ethyl-3-hydroxymethyloxetane is present in an amount of 2 parts by weight to 8 parts by weight, the 3,3?-oxybis(methylene)bis(3-ethyloxetane) is present in an amount of 2 parts by weight to 8 parts by weight, the aromatic epoxy compound is present in an amount of 7 parts by weight to 38 parts by weight, and the alicyclic epoxy compound is present in amount of 10 parts by weight to 50 parts by weight, based on 100 parts by weight of the adhesive composition.Type: GrantFiled: September 20, 2018Date of Patent: November 22, 2022Assignee: SHANJIN OPTOELECTRONICS (SUZHOU) CO., LTD.Inventors: Seongwook Kang, Jin Woo Kim, Dong Uk Kim, Yoonkyung Kwon
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Patent number: 11505727Abstract: An adhesive composition including a first epoxy-based compound, a second epoxy-based compound, an oxetane compound, and a diacrylate-based compound is provided. A polarizing plate includes a polarizer, an adhesive layer provided on at least one surface of the polarizer and formed using the adhesive composition, and a protective film provided on at least one surface of the adhesive layer. An image display device using the polarizing plate is also provided.Type: GrantFiled: September 19, 2018Date of Patent: November 22, 2022Assignee: SHANJIN OPTOELECTRONICS (SUZHOU) CO., LTD.Inventors: Dong Uk Kim, Seongwook Kang, Jin Woo Kim, Yoonkyung Kwon
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Patent number: 11505726Abstract: An optical laminate is provided, wherein stable durability is secured even at a high temperature, particularly an ultra-high temperature of about 100° C. or more, other physical properties required for the optical laminate are also excellent, and even in the case of being disposed adjacent to the electrode, corrosion of the relevant electrode or the like is not induced.Type: GrantFiled: September 12, 2018Date of Patent: November 22, 2022Assignee: SHANJIN OPTOELECTRONICS (SUZHOU) CO., LTD.Inventors: Hyun Hee Son, Seul Ki Han, Dong Hun Lee
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Patent number: 11487148Abstract: The present application relates to a polarizing plate having a polarizing film in which a light absorption axis is formed in one in-plane direction; a protective film formed on one side of the polarizing film; and a pressure-sensitive adhesive layer formed on the other side of the polarizing film, where the total thickness is 200 ?m or less, and a ratio of (SPro/SPVA) of a shrinkage force (SPVA) of the polarizing film in the in-plane direction parallel to the light absorption axis direction and a shrinkage force (SPro) of the protective film in the in-plane direction perpendicular to the light absorption axis direction is in a range of 0.1 to 5. The present application can provide a polarizing plate which does not cause cracks or the like while having a thin thickness, does not induce warping or twisting in itself and does not induce the above problems even when applied to a display device such as an LCD or OLED.Type: GrantFiled: July 16, 2018Date of Patent: November 1, 2022Assignee: SHANJIN OPTOELECTRONICS (SUZHOU) CO., LTD.Inventors: Gae Sung Kim, Eung Ki Lee, Young Gon Kim, Hyun Soo Lee, Yoo Bin Kim, Keon Woo Kim, Young Tae Kim
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Patent number: 11415734Abstract: A method of deriving an appropriate condition for cutting a polarizing plate, the method including: (a) preparing a polarizing plate including an adhesive layer and having a cut surface; (b) providing the polarizing plate so that one end of the polarizing plate adjoins a guide unit; (c) moving the polarizing plate on the guide unit; (d) measuring frictional force applied between the polarizing plate and the guide unit while moving the polarizing plate; and (e) deriving the appropriate condition for cutting the polarizing plate based on the measured value of the frictional force and a predetermined adhesive agent leakage determination criterion based on the frictional force.Type: GrantFiled: June 21, 2019Date of Patent: August 16, 2022Assignee: SHANJIN OPTOELECTRONICS (SUZHOU) CO., LTD.Inventors: Moon Chan Lee, Jeong Ho Park, Jin Soo Lee, Bu Gon Shin
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Patent number: 11415823Abstract: A display unit manufacturing system including: a panel conveyance route including an optical film attaching unit configured to attach an optical film to a panel; an inspection unit which inspects whether the panel having the optical film attached thereto is defective and identifies a defective panel; a panel storing unit which stores the defective panel after the optical film is separated therefrom; and a control unit which controls whether the panel stored in the panel storing unit is supplied to the panel conveyance route.Type: GrantFiled: March 20, 2019Date of Patent: August 16, 2022Assignee: SHANJIN OPTOELECTRONICS (SUZHOU) CO., LTD.Inventors: Beom Seok Lee, Yu Jin Lim, Hang Suk Choi, Eung Jin Jang
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Patent number: 11391678Abstract: Provided is a device for detecting a defect of an optical film, comprising a light emitting unit, a reflection unit, a screen, and an image capturing unit, and a method for detecting a defect of an optical film, comprising emitting light to a reflection unit, projecting the light reflected by the reflection unit onto an optical film, capturing an image of a screen which displays a projection shape obtained by projecting the light onto the optical film, and analyzing the image.Type: GrantFiled: July 27, 2018Date of Patent: July 19, 2022Assignee: SHANJIN OPTOELECTRONICS (SUZHOU) CO., LTD.Inventors: Ho Jin Kim, Myoung Gon Yang, Hang Suk Choi, Eung Jin Jang
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Patent number: 11384265Abstract: The present application relates to a photocurable solventless pressure-sensitive adhesive composition, a pressure-sensitive adhesive polarizing plate and a display device. According to the present application, a pressure-sensitive adhesive composition, a polarizing plate and a liquid crystal device, which have excellent durability and antistatic abilities, can be provided.Type: GrantFiled: September 13, 2018Date of Patent: July 12, 2022Assignee: SHANJIN OPTOELECTRONICS (SUZHOU) CO., LTD.Inventors: Seung Ju Noh, Ha Song Yun, Woo Yeon Kim, Hyun Hee Son, Jang Soon Kim, Kwang Su Seo
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Patent number: 11180597Abstract: The present invention relates to a polymer composition, an optical laminate and a display device, and can provide a polymer composition capable of forming a pressure-sensitive adhesive layer which has excellent workability, durability and dimensional stability and is capable of effectively alleviating the bending phenomenon of the display, through a polymer capable of forming a physically cross-linked structure together with a chemically cross-linked structure. In addition, the present invention can provide an optical laminate comprising a cross-linked product of the polymer composition and a display device comprising the same.Type: GrantFiled: September 7, 2017Date of Patent: November 23, 2021Assignee: SHANJIN OPTOELECTRONICS (SUZHOU) CO., LTD.Inventors: Jeong Ae Yoon, Su Jeong Kim, Sung Soo Yoon, Han Na Chi, Sang Ha Son, Su Jee Kwon, Chang Hwan Ju, Geun Ho Park, Kyung Oh Kim