Patents Assigned to Samsung SDI Co.
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Patent number: 11982943Abstract: A resist underlayer composition and a method of forming patterns, the composition including a polymer including at least one of a first moiety represented by Chemical Formula 1-1 and a second moiety represented by Chemical Formula 1-2; a thermal acid generator including a salt composed of an anion of an acid and a cation of a base, the base having pKa of greater than or equal to about 7; and a solvent,Type: GrantFiled: April 29, 2022Date of Patent: May 14, 2024Assignee: SAMSUNG SDI CO., LTD.Inventors: Jaeyeol Baek, Shinhyo Bae, Yoojeong Choi, Soonhyung Kwon, Hyeon Park
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Patent number: 11984583Abstract: A positive electrode for an all-solid secondary battery includes a positive active material and a sulfide-based solid electrolyte, wherein the positive active material has a structure containing a core and a shell, the shell includes a nickel-based active material containing cobalt at an amount of about 30 mol % or higher, a surface of the positive active material includes a coating layer including at least one lithium ion conductor selected from a lanthanum oxide and a lithium lanthanum oxide, and an amount of the lithium ion conductor is in a range of about 0.1 parts to about 10 parts by weight based on 100 parts by weight of the total weight of the positive active material and the lithium ion conductor.Type: GrantFiled: March 3, 2021Date of Patent: May 14, 2024Assignee: Samsung SDI Co., Ltd.Inventor: Taeri Kwon
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Patent number: 11984581Abstract: A negative electrode for a lithium metal battery including: a lithium metal electrode including a lithium metal or a lithium metal alloy; and a protective layer on at least portion of the lithium metal electrode, wherein the protective layer has a Young's modulus of about 106 pascals or greater and includes at least one particle having a particle size of greater than 1 micrometer to about 100 micrometers, and wherein the at least one particle include an organic particle, an inorganic particle, an organic-inorganic particle, or a combination thereof.Type: GrantFiled: October 27, 2020Date of Patent: May 14, 2024Assignees: SAMSUNG ELECTRONICS CO., LTD, SAMSUNG SDI CO., LTD.Inventors: Yonggun Lee, Saebom Ryu, Toshinori Sugimoto, Yooseong Yang, Wonseok Chang, Joonseon Jeong
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Patent number: 11982826Abstract: A polarizing plate and a liquid crystal display including the same are provided. A polarizing plate includes: a polarizer; and a pattern layer on a light exit surface of the polarizer, the pattern layer including a first resin layer and a second resin layer sequentially arranged on the polarizer, a pattern portion being located at an interface between the first resin layer and the second resin layer and being composed of at least two pattern groups repeatedly arranged therein, each of the pattern groups including at least two engraved optical patterns; and at least two of the engraved optical patterns in each of the pattern groups having different aspect ratios and different base angles.Type: GrantFiled: April 18, 2022Date of Patent: May 14, 2024Assignee: Samsung SDI Co., Ltd.Inventors: Dong Ho Wee, Jeong Ho Lee, Young Oh
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Patent number: 11982714Abstract: A processor-implemented method with battery state estimation includes: determining a state variation of a battery using a voltage difference between a sensed voltage of the battery and an estimated voltage of the battery that is estimated by an electrochemical model corresponding to the battery; updating an internal state of the electrochemical model based on the determined state variation of the battery; and estimating state information of the battery based on the updated internal state of the electrochemical model.Type: GrantFiled: March 1, 2022Date of Patent: May 14, 2024Assignees: Samsung Electronics Co., Ltd., SAMSUNG SDI CO., LTD.Inventors: Jinho Kim, Tae Won Song
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Patent number: 11977329Abstract: A photosensitive composition including a quantum dot dispersion, a reactive compound having at least two thiol groups, a photopolymerizable monomer having a carbon-carbon double bond, and a photoinitiator, wherein the quantum dot dispersion includes a carboxylic acid group-containing polymer and a quantum dot dispersed in the carboxylic acid group containing polymer, and wherein the carboxylic acid group-containing polymer includes a copolymer of a monomer combination including a first monomer having a carboxylic acid group and a carbon-carbon double bond and a second monomer having a carbon-carbon double bond and a hydrophobic moiety and not having a carboxylic acid group.Type: GrantFiled: March 19, 2021Date of Patent: May 7, 2024Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO, LTD.Inventors: Shang Hyeun Park, Hojeong Paek, Eun Joo Jang, Shin Ae Jun
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Patent number: 11978907Abstract: Disclosed are a positive electrode for a lithium secondary battery, a winding element for a lithium secondary battery, and a lithium secondary battery, wherein the positive electrode includes a positive active material and a mixing binder including a first binder, a second binder, and a third binder, the first binder includes at least one selected from copolymers including polyvinylidene fluoride, acid-modified polyvinylidene fluoride, and acid-modified polyvinylidene fluoride, and the mixing binder includes the first binder at a proportion of 30 wt % to 60 wt % relative to the total weight of the mixing binder, and has a tensile modulus of 200 MPa to 600 MPa.Type: GrantFiled: February 16, 2017Date of Patent: May 7, 2024Assignee: Samsung SDI Co., Ltd.Inventors: Keisuke Nomura, Hironobu Fukahori
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Patent number: 11967737Abstract: A busbar for a battery module is provided. The battery module includes a plurality of aligned battery cells, and the busbar includes: a busbar body portion extending in an extension direction and a plurality of legs extending from the busbar body portion in a direction non-parallel to the extension direction of the busbar body portion. The busbar body portion have a length to connect cell terminals of a plurality of the battery cells of the battery module, and the legs are configured to electrically connect the busbar body portion and the cell terminals of the battery cells of the battery module to each other.Type: GrantFiled: October 25, 2019Date of Patent: April 23, 2024Assignee: SAMSUNG SDI CO., LTD.Inventors: Martin Weinberger, Martin Kraker, Matic Blaznik, Jörg Killmann
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Adhesive protective film, optical member comprising the same and optical display comprising the same
Patent number: 11958993Abstract: Disclosed herein are an adhesive protective film, an optical member including the same, and an optical display including the same. An adhesive protective film is formed of a composition including a (meth)acrylic binder derived from a monomer mixture including: an alkyl group-containing (meth)acrylic monomer; and at least one selected from among a hydroxyl group-containing (meth)acrylic monomer, a carboxyl group-containing (meth)acrylic monomer, and a polysiloxane (meth)acrylate, the adhesive protective film having an initial peel strength of about 100 gf/inch or less and a peel strength decrease rate of about 50% or less, as calculated according to Equation 1.Type: GrantFiled: May 27, 2021Date of Patent: April 16, 2024Assignee: Samsung SDI Co., Ltd.Inventors: Irina Nam, Tae Ji Kim, Won Kim, Il Jin Kim, Jung Hyo Lee, Oh Hyeon Hwang -
Patent number: 11962040Abstract: A battery pack includes a first cell, a second cell, and a third cell arranged along a first axis, the first cell including first tabs extending toward the second cell, the second cell including second tabs extending toward the first cell, and the third cell including third tabs extending toward the second cell, a first circuit body between the first cell and the second cell, a second circuit body between the second cell and the third cell, and a third circuit body connecting the first circuit body and the second circuit body, wherein at least one of the first through third circuit bodies includes a rigid circuit board, and at least another one of the first through third circuit bodies includes a flexible circuit board.Type: GrantFiled: December 30, 2021Date of Patent: April 16, 2024Assignee: SAMSUNG SDI CO., LTD.Inventors: Hanjun Wang, Chanwoo Kang
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Patent number: 11958998Abstract: A composition including a plurality of quantum dots; a binder polymer; a thiol compound having at least two thiol groups; a polyvalent metal compound; a polymerizable monomer having a carbon-carbon double bond; a photoinitiator; and a solvent.Type: GrantFiled: May 5, 2021Date of Patent: April 16, 2024Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG DISPLAY CO., LTD., SAMSUNG SDI CO., LTD.Inventors: Ha Il Kwon, Tae Gon Kim, Shang Hyeun Park, Eun Joo Jang, Shin Ae Jun, Garam Park
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Patent number: 11955660Abstract: This application relates to a separator for a lithium secondary battery, a method for manufacturing a separator for a lithium secondary battery, and a lithium secondary battery including same. The separator includes a porous substrate, a heat resistant layer positioned on at least one surface of the porous substrate and including inorganic particles, and a first adhesive layer positioned on the heat resistant layer and including a first organic polymer. The heat resistant layer includes the inorganic particles of 90 wt % to 99 wt % on the basis of total weight, the thickness of the heat resistant layer is 3.5 ?m to 7 ?m, and the thickness of the first adhesive layer is 0.5 ?m to 3.0 ?m.Type: GrantFiled: March 27, 2019Date of Patent: April 9, 2024Assignees: SAMSUNG SDI CO., LTD., SAMSUNG ELECTRONICS CO., LTD.Inventors: Jungsue Jang, Byungmin Lee, Hana Kim, Myungkook Park, Seung Rim Yang, Bokyung Jung, Minho Cho
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Patent number: 11955601Abstract: A sulfide solid electrolyte for all-solid secondary batteries, a method of preparing the same, and an all-solid secondary battery, the sulfide solid electrolyte including lithium, phosphorus, sulfur, and a halogen, wherein: the sulfide solid electrolyte has an argyrodite-type crystal structure, a ratio (I(29.0)/I(30.0) ratio) of a peak intensity at a 2? of 29±0.1° to a peak intensity at a 2? of 30±0.1° is 0.06 or less, the peak intensities being obtained by X-ray diffraction analysis of the sulfide solid electrolyte, and a ratio (I(27.1)/I(30.0) ratio) of a peak intensity at a 2? of 27.1±0.1° to a peak intensity at a 2? of 30±0.1° is 0.06 or less, the peak intensities being obtained by X-ray diffraction analysis of the sulfide solid electrolyte.Type: GrantFiled: August 26, 2021Date of Patent: April 9, 2024Assignees: SAMSUNG SDI CO., LTD., INDUSTRY-ACADEMIA COOPERATION GROUP OF SEJONG UNIVERSITYInventors: Dongrak Sohn, Minsang Song, Jungmin Han, Younggyoon Ryu, Kyulin Lee, Jeongdoo Yi, Sangil Han, Keesun Sohn, Sunggeun Shim, Jinhee Lee
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Patent number: 11955631Abstract: A composite cathode active material, a cathode and a lithium battery each including the composite cathode active material, and a method of manufacturing the composite cathode active material. The composite cathode active material includes a core including a plurality of primary particles, and a shell disposed on the core, wherein a primary particle of the plurality of primary particles includes a lithium nickel transition metal oxide, the shell includes a first composition and a second composition, wherein the first composition contains a first metal and the second composition contains a second metal, wherein the first metal includes a metal of Groups 2, 4, 5, and 7 to 15, the second metal includes a metal of Group 3, and the first composition includes a first phase and the second composition includes a second phase that is distinguishable from the first phase.Type: GrantFiled: March 20, 2019Date of Patent: April 9, 2024Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI.CO., LTD.Inventors: Dongwook Shin, Sukgi Hong, Jinhwan Park, Byungjin Choi
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Patent number: 11955632Abstract: The application relates to a positive active material precursor including a transition metal composite oxide precursor. The transition metal composite oxide precursor exhibits a peak full width at half maximum of a (200) plane (2?=about 42° to about 44°) in X-ray diffraction analysis in a range of about 0.3° to about 0.5°. The application also relates to a positive active material using the precursor, a method of preparing the same, and a positive electrode and a rechargeable lithium battery including the same.Type: GrantFiled: November 6, 2020Date of Patent: April 9, 2024Assignee: SAMSUNG SDI CO., LTD.Inventors: Jinhwa Kim, Minhan Kim, Donggyu Chang, Jihyun Seog, Yuntaek Oh, Jungwoo Son
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Patent number: 11949098Abstract: A positive active material for a rechargeable lithium battery includes: a core having a layered structure; and a surface layer on at least one portion of the surface of the core and including an oxide, wherein the oxide includes at least one first element and at least one second element each selected from Ti, Zr, F, Mg, Al, P, and a combination thereof, the first element and the second element being different from one another, the first element included in the positive active material in an amount of about 0.01 mol % to about 0.2 mol % based on a total weight of the positive active material, and the second element included in the positive active material in an amount of about 0.02 mol % to about 0.5 mol % based on a total weight of the positive active material. A rechargeable lithium battery includes the positive active material.Type: GrantFiled: July 27, 2022Date of Patent: April 2, 2024Assignee: Samsung SDI Co., Ltd.Inventors: Yongmok Cho, Young-Hun Lee, Hyunjei Chung
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Patent number: 11949084Abstract: The present invention relates to a battery pack including a frame profile with integral coolant circuit elements. The battery pack includes one or more battery modules, each comprising a plurality of secondary battery cells, a framework comprising a first frame profile and a second frame profile opposite to the first frame profile, and a liquid cooling circuit comprising one or more cooling plates being in thermal contact with the battery module.Type: GrantFiled: March 8, 2019Date of Patent: April 2, 2024Assignee: Samsung SDI Co., Ltd.Inventors: Ralph Wünsche, Rainer Retter, Miran Kojc, Thomas Hoermann, Matthias Pucher, Mario Marcovic, Volker Matl
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Patent number: 11945763Abstract: A compound represented by a specific chemical formula, a core including the compound represented by the specific chemical formula, and a core-shell dye including a shell surrounding the core, a photosensitive resin composition including the compound represented by the specific chemical formula, and a color filter manufactured using the photosensitive resin composition are disclosed.Type: GrantFiled: July 27, 2022Date of Patent: April 2, 2024Assignee: SAMSUNG SDI CO., LTD.Inventors: Euisoo Jeong, Chaewon Pak, Hyewon Seo, Myoungyoup Shin, Sunwoong Shin, Kyubuem Choi, Gyuseok Han
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Patent number: 11945199Abstract: Disclosed are a laminated film including a light transmitting substrate; a hard coating layer; and an optical enhancement layer disposed between the light transmitting substrate and the hard coating layer or at a position facing the hard coating layer with the light transmitting substrate therebetween, wherein the light transmitting substrate includes a polyimide, a poly(amide-imide) copolymer, or a combination thereof, and the optical enhancement layer includes a copolymer comprising a polyimide, and a display device including the laminated film.Type: GrantFiled: February 1, 2023Date of Patent: April 2, 2024Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.Inventors: Hyunjeong Jeon, A Ra Jo, Jungha Chae, Sun Jin Song, Boreum Jeong
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Patent number: 11949077Abstract: Provided is a battery module. The battery module includes a first cooling tube, a second cooling tube connected to the first cooling tube and arranged on a different plane than the first cooling tube, and a branching portion connecting the first cooling tube to the second cooling tube, wherein the branching portion includes a lower connection tube connected to the first cooling tube, an upper connection tube connected to the second cooling tube, and a connection member into which one of the lower connection tube and the upper connection tube is inserted, the connection member being inserted into the other of the lower connection tube and the upper connection tube.Type: GrantFiled: April 13, 2017Date of Patent: April 2, 2024Assignee: Samsung SDI Co., Ltd.Inventors: Juyong Park, Heonhee Kim, Dongjin Park