Patents by Inventor Chang Min

Chang Min has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20250023006
    Abstract: A light emitting device including a first light emitting stack, a second light emitting stack, and a third light emitting stack each including a first conductivity type semiconductor layer and a second conductivity type semiconductor layer, a first adhesive layer bonding the first light emitting stack and the second light emitting stack, and a second adhesive layer bonding the second light emitting stack and the third light emitting stack, in which the second light emitting stack is disposed between the first light emitting stack and the third light emitting stack, and one of the first adhesive layer and the second adhesive layer electrically connects adjacent light emitting stacks.
    Type: Application
    Filed: September 26, 2024
    Publication date: January 16, 2025
    Applicant: SEOUL VIOSYS CO., LTD.
    Inventors: Jong Min JANG, Chang Yeon KIM
  • Patent number: 12187889
    Abstract: A non-painted thermoplastic resin composition including viscose rayon so as to embody a marble pattern and a method for making it are disclosed. The viscose rayon is included in the thermoplastic resin composition to minimize the deterioration of physical properties while minimizing weld lines and flow marks during an extrusion process, and a luxurious outer appearance of a marble pattern is embodied without additional post-processing or painting process. The non-painted thermoplastic resin composition includes 80-90 parts by weight of a thermoplastic resin composition, 0.1-5 parts by weight of a carbon fiber, and 0.1-3 parts by weight of viscose rayon based on 100 parts by weight of the entire resin composition. The viscose rayon provides an effect of minimizing weld lines and flow marks during injection, improving physical properties, and providing the luxurious appearance of the marble pattern.
    Type: Grant
    Filed: September 23, 2019
    Date of Patent: January 7, 2025
    Assignee: CEPLA CO., LTD.
    Inventors: Chang Won Chae, Sung Yeon Lee, Chang Min Hong, Jin Young Huh, Kyu Haeng Cho, Dae Keun Kim, Gwang Ho Go, Moon Young Lee, Hyuk Soo Kwon, Hee Jong Park, Yeung In Kim
  • Patent number: 12185564
    Abstract: A display panel includes a substrate, light emitting elements in a display area of the substrate, and configured to emit light, an organic encapsulation layer on the light emitting elements, a first dam in a non-display area of the substrate, and organic patterns spaced apart from each other outside the first dam in the non-display area of the substrate, and including a first organic pattern and a second organic pattern adjacent to each other and having a gap therebetween.
    Type: Grant
    Filed: April 13, 2021
    Date of Patent: December 31, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chang Min Song, Kyung Min Park, Dong Yoon So, Young Dae Yi, Jae Ho Choi
  • Patent number: 12180403
    Abstract: Provided are a quantum dot, a method of manufacturing the quantum dot, and an electronic device including the quantum dot. The quantum dot includes a core including a first semiconductor nanocrystal and a doping metal. The first semiconductor nanocrystal includes a group II element, a group III element, and a group V element. The quantum dot has a narrower full width at half maximum (FWHM) and superior quantum efficiency, and manufactured in a simple manner.
    Type: Grant
    Filed: January 11, 2022
    Date of Patent: December 31, 2024
    Assignee: Duk San Neolux Co., Ltd.
    Inventors: Do Eon Kim, Jong Moon Shin, Chang Min Lee, Hyung Dong Lee
  • Publication number: 20240421346
    Abstract: A sulfide-based solid electrolyte includes secondary particles in which primary particles are agglomerated. With the use of the sulfide-based solid electrolyte, a uniform, stable, and high-quality slurry in which the primary particles have a strong interparticle binding force can be prepared.
    Type: Application
    Filed: January 2, 2024
    Publication date: December 19, 2024
    Applicants: Hyundai Motor Company, KIA CORPORATION, HANSOL CHEMICAL CO., LTD.
    Inventors: Sang Soo Lee, In Woo Song, Woo Dum Jung, So Young Kim, Sang Heon Lee, Hong Seok Min, Seul Ki Choi, Chang Min Cho, Woo Seop Song, Young Sung Lee, So Young Yoon, Se Man Kwon, Yung Sup Youn
  • Publication number: 20240418090
    Abstract: The present disclosure relates to a multi-functional heating sandwich composite based on electromagnetic wave absorption technology applicable to large wing structures and a method for manufacturing the same, and particularly, to a composite based on an electromagnetic wave absorption heating mechanism, which converts electromagnetic waves into thermal energy in order to solve the freezing problem, and a method for manufacturing the same.
    Type: Application
    Filed: November 18, 2021
    Publication date: December 19, 2024
    Applicant: Industry-Academic Cooperation Foundation Gyeongsang National University
    Inventors: Young Woo Nam, Jin Hwe KWEON, Byeong Su KWAK, Hyeon Seok CHOE, Ji Sub NOH, Chang Min SEOK
  • Publication number: 20240413203
    Abstract: A semiconductor device includes a substrate. An active pattern is on the substrate and extends in a first horizontal direction. First to third nanosheets are sequentially stacked on the active pattern and are spaced apart from each other in a vertical direction. A gate electrode is on the active pattern and extends in a second horizontal direction. The gate electrode surrounds each of the first to third nanosheets. A source/drain region is on the active pattern on at least one side of the gate electrode. An interlayer insulating layer covers the source/drain region. A source/drain contact penetrates the interlayer insulating layer in the vertical direction and is connected to the source/drain region. At least a portion of the interlayer insulating layer is disposed between sidewalls of the source/drain contact and the source/drain region in the first horizontal direction and overlaps sidewalls of the third nanosheet along the first horizontal direction.
    Type: Application
    Filed: December 18, 2023
    Publication date: December 12, 2024
    Inventors: Chang Min YOE, Ji Wang KO, Jae Hong CHOI, Jun Ho HONG, Dong Min KIM, Jeong Min CHOI
  • Publication number: 20240404863
    Abstract: A method for fabricating a semiconductor device may include forming a first substrate including a first surface and a second surface, which may be opposite each other, forming a first semiconductor element on the first surface, adhering the first substrate onto a second substrate so that an upper surface of the second substrate faces the first surface of the first substrate, removing an edge region of the first substrate, forming a passivation layer surrounding first sides of the first substrate, and forming a second semiconductor element on the second surface of the first substrate. The passivation layer may not be formed on the second surface of the first substrate.
    Type: Application
    Filed: January 9, 2024
    Publication date: December 5, 2024
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Kwang Yong YU, Woo Jeong SHIN, Il Hwan KIM, Chang Min PARK, Hee Sun JUN
  • Publication number: 20240396522
    Abstract: Provided are a surface acoustic wave device including IDT electrodes having an oxide electrode layer formed therein, and a method for fabricating the same. The surface acoustic wave device include a piezoelectric substrate and a plurality of IDT electrodes formed on the piezoelectric substrate, wherein each of the plurality of IDT electrodes includes: a main electrode layer formed on the upper surface of the piezoelectric substrate; an upper electrode layer formed on the main electrode layer; and an oxide electrode layer formed on the upper surface of the upper electrode layer by oxidation of the upper electrode layer, and wherein the thickness (te) of each of the plurality of IDT electrodes satisfies 0.011?to/te?0.333 with respect to the thickness (to) of the oxide electrode layer.
    Type: Application
    Filed: May 22, 2024
    Publication date: November 28, 2024
    Inventors: Hun Yong LEE, Sang Hoon MYEONG, Chang Min LEE, Min Hyeong LEE
  • Patent number: 12154722
    Abstract: A capacitor component includes a body including a dielectric layer and first and second internal electrode layers, and external electrodes disposed on the body and connected to the first and second internal electrode layers, respectively. The body includes an active portion in which the first and second internal electrode layers are alternately disposed with the dielectric layer interposed therebetween, a cover portion disposed on an upper portion and a lower portion of the active portion, and a side margin portion disposed on both sides of the active portion opposing each other. When a content of magnesium (Mg) included in the active portion is A1, a content of magnesium (Mg) included in the cover portion is C1, and a content of magnesium (Mg) included in the margin portion is M1, 0<A1<M1?C1 and A1/C1?0.60 are satisfied.
    Type: Grant
    Filed: January 4, 2024
    Date of Patent: November 26, 2024
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jin Uk Cha, Chang Min Lee, Hye Sung Yoon, Seon A Jang, Ji Hyuk Lim, Ki Yong Lee
  • Patent number: 12135473
    Abstract: The display device includes a display panel and a backlight module on the display panel. The backlight module includes light guide plate having a light incident surface, a light emitting surface facing the display panel and a reflection surface. Two sides of the light incident surface connect the light emitting surface and the reflection surface respectively. The reflection surface includes a first periphery light guide region, a second periphery light guide region, and a middle light guide region between the first periphery light guide region and the second periphery light guide region. The first periphery light guide region includes first microstructures. The second periphery light guide region includes second microstructures. The first microstructures have first light guide inclined surfaces inclined towards the second periphery light guide region. The second microstructures have second light guide inclined surfaces inclined towards the first periphery light guide region.
    Type: Grant
    Filed: June 15, 2023
    Date of Patent: November 5, 2024
    Assignee: Qisda Corporation
    Inventors: Chang-Min Shao, Chien-Hao Kao, Chih-Chun Chang, Jyun-Sheng Syu
  • Patent number: 12133474
    Abstract: A method of fabricating magnetoresistive random access memory, including providing a substrate, forming a bottom electrode layer, a magnetic tunnel junction stack, a top electrode layer and a hard mask layer sequentially on the substrate, wherein a material of the top electrode layer is titanium nitride, a material of the hard mask layer is tantalum or tantalum nitride, and a percentage of nitrogen in the titanium nitride gradually decreases from a top surface of top electrode layer to a bottom surface of top electrode layer, and patterning the bottom electrode layer, the magnetic tunnel junction stack, the top electrode layer and the hard mask layer into multiple magnetoresistive random access memory cells.
    Type: Grant
    Filed: September 27, 2023
    Date of Patent: October 29, 2024
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Hui-Lin Wang, Chen-Yi Weng, Chin-Yang Hsieh, Yi-Hui Lee, Ying-Cheng Liu, Yi-An Shih, Jing-Yin Jhang, I-Ming Tseng, Yu-Ping Wang, Chien-Ting Lin, Kun-Chen Ho, Yi-Syun Chou, Chang-Min Li, Yi-Wei Tseng, Yu-Tsung Lai, Jun Xie
  • Publication number: 20240355626
    Abstract: The present invention relates to a low-resistance material film formation method for forming a film on a semiconductor substrate by using physical vapor deposition (PVD), comprising the steps of: a) forming a barrier layer on a SiO2 wafer by using low-temperature magnetron sputtering at a pressure of 1-40 Pa; b) modifying, after formation of the barrier layer, the surface of the barrier layer by applying RF bias in an Ar gas atmosphere without applying DC power; and c) layering a low-resistance material on the barrier layer by using magnetron sputtering, wherein the low-resistance material is at least one selected from the group consisting of tungsten (W), ruthenium (Ru), molybdenum (Mo), cobalt (Co) and rhodium (Rh).
    Type: Application
    Filed: June 8, 2022
    Publication date: October 24, 2024
    Applicant: ULVAC, INC.
    Inventors: Chang Min SHIM, Do Hyun OH, Hang KANG, Byeong Hwa JEONG, Takahiro NAKAYAMA, Tomohiro SAITOU
  • Publication number: 20240357716
    Abstract: A cooking apparatus has a cooking chamber, a microwave unit to radiate microwaves to the cooking chamber, a convection unit to supply hot air to the cooking chamber, a grill unit to supply radiant heat to the cooking chamber, an input unit to receive a cooking command and a control unit to perform a cooking corresponding to the received cooking command by performing one of a first heating stage and a second heating stage, and after performing the one of the first heating stage and the second heating stage, performing the other one of the first heating stage and the second heating stage. In the first heating stage, the control unit operates the microwave unit and at least one of the convection unit and the grill unit, and in the second heating stage, the control unit operates the grill unit and the convection unit while not operating the microwave unit.
    Type: Application
    Filed: June 28, 2024
    Publication date: October 24, 2024
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Gyu Sik LIM, Sun Hee KOO, Chang Min BAEK, In Young CHO
  • Patent number: 12121940
    Abstract: A cassette for ultra-thin glass includes a pair of plates spaced apart from and facing each other, and a plurality of supports mounted between the pair of plates and including a plurality of mounting grooves that support sides of sheets of ultra-thin glass. Each of the plurality of mounting grooves includes an inclined portion inclined toward a middle of each of the plurality of mounting grooves, and a straight portion extending from the inclined portion and having a constant width in an axial direction of the plurality of supports. A height of the straight portion in a radial direction of the plurality of supports is equal to or greater than a height of the inclined portion in the radial direction.
    Type: Grant
    Filed: May 5, 2023
    Date of Patent: October 22, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jung Hoon Oh, Ki Taek Kim, Chang Min Lee
  • Publication number: 20240336480
    Abstract: The present disclosure relates to a method of producing a solid electrolyte with a uniform particle size distribution and a spherical shape. The method includes preparing a raw material comprising one or more of a lithium (Li) element, a phosphorus (P) element, or a sulfur(S) element, preparing a starting material comprising the raw material and a solvent, obtaining an intermediate in powder form by spray drying the starting material, and obtaining a sulfide-based solid electrolyte by heat treating the intermediate.
    Type: Application
    Filed: December 5, 2023
    Publication date: October 10, 2024
    Inventors: In Woo SONG, Hong Seok MIN, Wo Dum JUNG, So Young KIM, Sang Soo LEE, Sang Heon LEE, Seul Ki CHOI, Chang Min CHO, Woo Seop SONG, Young Sung LEE, So Young YOON, Se Man KWON, Yung Sup YOUN
  • Publication number: 20240338087
    Abstract: An optical pen includes a body, a protrusion connected to the body and protruding in a first direction, a first light source configured to output light in the first direction, a second light source configured to output light in the first direction, a third light source configured to output light in a second direction crossing the first direction, a light sensor configured to receive external light; and a power controller configured to separately control power of the first light source and power of the third light source.
    Type: Application
    Filed: December 27, 2023
    Publication date: October 10, 2024
    Inventors: Ivan MAIDANCHUK, Jin Yong SIM, Chang Min PARK, Kyu Shik SHIN
  • Patent number: 12114448
    Abstract: A device for varying the shape of a display panel includes: a variable case in which a flexible display panel is installed, the variable case having a variable shape that can be changed in order to change the shape of the display panel; and a driving unit for driving the variable case. The variable case includes: a first curved accommodation portion by which one end of the display panel is bent into a curved surface and fixed; a second curved accommodation portion by which the other end of the display panel is bent into a curved surface and fixed so that the one end and other end of the display panel form a single curved surface; and a hinge portion which rotatably connects the first curved accommodation portion and the second curved accommodation portion.
    Type: Grant
    Filed: January 11, 2021
    Date of Patent: October 8, 2024
    Assignee: TOVIS CO., LTD.
    Inventor: Chang Min Oh
  • Publication number: 20240334782
    Abstract: A display device includes a substrate, a circuit layer, a light emitting element layer, a sealing layer, and a polarization layer. A main area of the substrate includes a display area including emission areas and a non-display area disposed around the display area, the non-display area includes a dam area spaced apart from the display area, the dam area including at least one dam portion surrounding the display area. The non-display area also including a bonding area that surrounds the dam area, the circuit layer includes a buffer portion disposed in a part of the bonding area adjacent to the sub-area, the buffer portion being spaced apart from each of the sub-area and the dam area, and the polarization layer extends to the non-display area and overlaps the buffer portion.
    Type: Application
    Filed: November 15, 2023
    Publication date: October 3, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: June Hwan KIM, Chang Min SONG, Dong Gi AHN, Seok Won JEONG, Dae Youn CHO
  • Patent number: D1051081
    Type: Grant
    Filed: May 11, 2023
    Date of Patent: November 12, 2024
    Assignee: AP SYSTEMS INC.
    Inventors: Chang Min Kwon, Chang Kyo Kim