Abstract: A battery pack includes: a battery cell; a main circuit board electrically connected to the battery cell and extending in a first direction; and a flexible circuit board extending in the first direction in parallel with the main circuit board and including an external connection terminal located at a position outside the main circuit board, and the main circuit board and the flexible circuit board respectively include first and second coupling pads overlapping each other and coupled to each other.
Abstract: A layered structure including a transparent substrate; a photoluminescent layer disposed on the transparent substrate and a pattern of a quantum dot polymer composite; and a capping layer disposed on the photoluminescent layer and including an inorganic material, a method of producing the same, a liquid crystal display including the same. The quantum dot polymer composite includes a polymer matrix; and a plurality of quantum dots in the polymer matrix, the pattern of the quantum dot polymer composite includes at least one repeating section and the repeating section includes a first section configured to emit light of a first peak wavelength, the inorganic material is disposed on at least a portion of a surface of the repeating section, and the inorganic material includes a metal oxide, a metal nitride, a metal oxynitride, a metal sulfide, or a combination thereof.
Abstract: A composition for an organic optoelectronic device an organic optoelectronic device, and a display device, the composition including a first compound; a second compound; and a third compound, wherein the first compound, the second compound, and the third compound are different from each other, the first compound is represented by Chemical Formula I, the second compound is represented by Chemical Formula I, and the third compound is represented by Chemical Formula II or Chemical Formula III:
Type:
Grant
Filed:
February 12, 2020
Date of Patent:
January 9, 2024
Assignee:
Samsung SDI Co., Ltd.
Inventors:
Jinhyun Lui, Dong Min Kang, Hyung Sun Kim, Yongtak Yang, Sung-Hyun Jung, Ho Kuk Jung, Youngkyoung Jo, Pyeongseok Cho, Dalho Huh, Hyungyu Lee
Abstract: A curable composition, a cured layer manufactured utilizing the same, and a display device including the cured layer are provided. The curable composition includes (A) a quantum dot; and (B) a polymerizable compound, wherein the polymerizable compound is a compound represented by Chemical Formula 1. In Chemical Formula 1, each substituent is the same as defined in the specification.
Type:
Grant
Filed:
August 10, 2021
Date of Patent:
January 9, 2024
Assignee:
Samsung SDI Co., Ltd.
Inventors:
Injae Lee, Yonghee Kang, Jonggi Kim, Minjee Park, Dongjun Kim, Bumjin Lee, Minkyeol Chung
Abstract: A secondary battery includes: an electrode assembly including a negative electrode plate, a positive electrode plate, and a separator between the negative electrode plate and the positive electrode plate; and a case accommodating the electrode assembly. The electrode assembly includes an adhesive part on an outermost region of the electrode assembly. The adhesive part is arranged to cover a boundary line between the negative electrode plate and the separator or between the positive electrode plate and the separator, and is bonded to the case.
Abstract: Provided are a composite separator, a lithium battery including the same, and a method of manufacturing the composite separator. The composite separator includes: a porous substrate; and a coating layer on at least one surface of the porous substrate, wherein the coating layer includes a water-soluble binder and inorganic particles, and the water-soluble binder includes a polyacrylic acid metal salt.
Abstract: A battery module includes a module including a series of cell stacks, each having a series of unit cells arranged in a first direction, and an insulation member insulating at least one unit cell. The battery module also includes a module housing and a series of receiving parts in the module housing accommodating the cell stacks. Each receiving part includes a fixed wall around a respective cell stack and having a portion in contact with the cell stack. The fixed wall includes a pair of end walls at opposite ends of the receiving part in the first direction. The pair of end walls are configured to engage respective end surfaces of the corresponding cell stack in the first direction. The battery module also includes a cooling channel below a floor surface of the module housing for a coolant to flow to cool the receiving parts and the cells stacks.
Type:
Grant
Filed:
October 17, 2019
Date of Patent:
January 2, 2024
Assignee:
Samsung SDI Co., Ltd.
Inventors:
Daeyeop Park, Sungyong Kim, Jaeho Kim, Soodeok Moon, Jangwoong Bae, Junhyung Lee, Dooyong Lim, Jisoon Lim, Eungi Heo
Abstract: A laminated film which includes a first layer including a poly(amide-imide) copolymer, and a second layer laminated on at least one surface of the first layer. The second layer includes a poly(amide-imide) copolymer, polyimide, or a combination thereof, which has an amide content of less than or equal to about 30 mol %. The poly(amide-imide) copolymer included in the first layer has a weight average molecular weight of about 30,000 grams/mole to about 200,000 grams/mole, and the polyimide, the poly(amide-imide) copolymer, or the combination thereof, of the second layer has a weight average molecular weight of about 10,000 grams/mole to about 50,000 grams/mole, and the composition for preparing the laminated film.
Abstract: A phthalocyanine compound a photosensitive resin composition including the same, a photosensitive resin layer produced using the photosensitive resin composition, a color filter including the photosensitive resin layer, and a display device including the color filter, the phthalocyanine compound exhibiting a shortest wavelength of a full width at half maximum (FWHM) with respect to a maximum absorption wavelength in a range of about 600 nm to about 620 nm.
Type:
Grant
Filed:
October 28, 2020
Date of Patent:
December 26, 2023
Assignee:
SAMSUNG SDI CO., LTD.
Inventors:
Myoungyoup Shin, Sooyoung Heo, Jihye Kwon, Jonghee Park, Chang-Hyun Kwon, Jeehyun Ryu, Euisoo Jeong, Juho Jung
Abstract: An embodiment of the present invention relates to a cylindrical lithium ion secondary battery. The technical problem to be solved is to provide a cylindrical lithium ion secondary battery which is designed such that a safety vent is formed and at the same time or afterwards excess metal can be guided to a curved portion adjacent to the safety vent, thereby enhancing the flatness of a can floor and reducing damage to the safety vent. To this end, the present invention provides a cylindrical lithium ion secondary battery comprising: a cylindrical can; an electrode assembly accommodated in the cylindrical can; and a cap assembly for sealing the cylindrical can, wherein the cylindrical can comprises a circular floor portion, a curved portion curved from the floor portion towards the electrode assembly, and a safety vent formed on the curved portion.
Abstract: A condensed cyclic compound represented by Formula 1: wherein, in Formula 1, groups and variables are the same as described in the specification.
Abstract: A battery system includes: a plurality of battery modules including a plurality of battery cells, wherein each battery module comprises a battery module monitor configured to monitor a state of the battery cells; a battery system monitor; and an optical communication system configured to connect the battery module monitors with the battery system monitor over at least two communication paths, wherein the optical communication system is configured to use at least two different wavelengths of light to differentiate between the communication paths.
Type:
Grant
Filed:
April 12, 2021
Date of Patent:
December 19, 2023
Assignee:
Samsung SDI Co., Ltd.
Inventors:
Maximilian Hofer, Roland Klobasa, Gernot Kraberger
Abstract: An energy storage module includes: a plurality of battery cells such that long side surfaces of adjacent ones of the battery cells face one another; a plurality of insulation spacers, at least one of the insulation spacers being between adjacent battery cells, each of the insulation spacers including a heat-insulating first sheet and a plurality of flame-retardant second sheets respectively adhered to opposite surfaces of the first sheet by an adhesion member; a cover member including an internal receiving space configured to accommodate the battery cells and the insulation spacers; a top plate coupled to the cover member and including ducts respectively corresponding to vents of the battery cells and having fire extinguishing agent openings respectively corresponding to the insulation spacers; a top cover coupled to the top plate and having discharge openings respectively corresponding to the ducts; and an extinguisher sheet between the top cover and the top plate.
Type:
Grant
Filed:
June 15, 2020
Date of Patent:
December 19, 2023
Assignee:
Samsung SDI Co., Ltd.
Inventors:
Jin Taek Kim, Eun Ok Kwak, Jang Hoon Kim, Jin Bhum Yun, Jong Yeol Woo, Kwang Deuk Lee, Woo Sung Choi
Abstract: A method and a system for validating a temperature sensor integrated into a battery system are disclosed. In one aspect, the method includes determining an internal resistance of at least one battery cell in thermal contact with the temperature sensor and determining a state of charge (SOC) of the at least one battery cell. The method also includes determining at least one reference temperature from a lookup table (LUT) or a functional relationship connecting the internal resistance, the SOC, and a temperature of a reference battery cell. The method further includes comparing the at least one reference temperature with at least one temperature measurement of the temperature sensor to determine a difference therebetween. The method additionally includes validating the temperature sensor based on whether the difference exceeds a preconfigured threshold.
Abstract: An internal short-circuit cell detection method includes detecting a voltage and current of each of a plurality of battery cells, updating in real time G and H parameter values by using an adaptive filter, calculating a G parameter representative value, and calculating an H parameter representative value, and determining whether a short circuit occurs in each of the plurality of battery cells, based on the G and H parameter value of each of the plurality of battery cells, the G parameter representative value, and the H parameter representative value. The G parameter is a parameter indicating a sensitivity of a voltage to a change in current of each of the plurality of battery cells, and the H parameter is a parameter indicating an effective potential determined by a local equilibrium potential distribution and a resistance distribution in each of the plurality of battery cells.
Type:
Grant
Filed:
February 5, 2020
Date of Patent:
December 19, 2023
Assignee:
Samsung SDI Co., Ltd.
Inventors:
Jake Kim, Yongjun Hwang, Giheon Kim, Christober Rayappan, Sungwook Paek, Byeonghui Lim
Abstract: Provided are a nickel-based active material precursor for a lithium secondary battery including a core, an intermediate layer located on the core, and a shell located on the intermediate layer, wherein porosity gradually decreases in the order of the core, the intermediate layer, and the shell, and each of the intermediate layer and the shell has a radial arrangement structure, a method for producing the nickel-based active material precursor, a nickel-based active material produced therefrom, and a lithium secondary battery including a cathode containing the nickel-based active material.
Type:
Grant
Filed:
April 13, 2021
Date of Patent:
December 12, 2023
Assignee:
Samsung SDI Co., Ltd.
Inventors:
Pilsang Yun, Jinhwa Kim, Hyunbeom Kim, Jaehyun Shim, Wooyoung Yang
Abstract: A separator for a rechargeable lithium battery and a rechargeable lithium battery including the separator, the separator including a porous substrate; and a coating layer on at least one surface of the porous substrate, wherein the coating layer includes organic filler particles, fluorine organic binder particles, and (meth)acryl organic binder particles, an average particle diameter of the organic filler particles is equal to or greater than an average particle diameter of the fluorine organic binder particles, and the fluorine organic binder particles are coated on the porous substrate as a part of the coating layer in an amount of less than about 0.1 g/m2 per surface.
Type:
Grant
Filed:
September 3, 2019
Date of Patent:
December 12, 2023
Assignee:
SAMSUNG SDI CO., LTD.
Inventors:
Gain Kim, Yongkyoung Kim, Yangseob Kim, Jungyoon Lee
Abstract: A rechargeable battery pack including: a plurality of unit battery packs stacked and coupled to each other in multiple stages, the unit battery packs having a cooling water line formed therein to circulate cooling water inside the unit battery pack; and a connection part connecting the cooling water line in adjacent ones of the unit battery packs to each other such that the cooling water line is configured to circulate cooling water therebetween.
Type:
Grant
Filed:
February 10, 2021
Date of Patent:
December 12, 2023
Assignee:
Samsung SDI Co., Ltd.
Inventors:
Hyeok Lee, Gunyeob Park, Kilseok Lee, Beomjoo Kim, Jaeho Kim, Baeckgi Jung, Heonhee Kim, Jisoon Lim, Eungi Heo
Abstract: The present invention relates to an organic compound represented by Chemical Formula 1, a composition, an organic optoelectronic device, and a display device.
Abstract: Provided are the organometallic compound represented by Formula 1 and an organic light-emitting device including the same: M, X1 to X4, X11, ring CY2 to ring CY4, T1, T2, R1 to R4, and a1 to a4 in Formula 1 are the same as described in the present specification.