Patents by Inventor Jang-Hyun Kim

Jang-Hyun Kim 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: 20190179563
    Abstract: A method for operating a memory system having a superblock that includes a plurality of physical blocks, each associated with an access frequency number identifying the number of times the corresponding physical block has been accessed, the method includes: updating the largest access frequency number among the access frequency numbers of the plurality of physic& blocks, as a number of times that the superblock is accessed, which is referred to as a superblock access frequency number; and performing a read reclaim operation on the superblock based on the superblock access frequency number.
    Type: Application
    Filed: June 27, 2018
    Publication date: June 13, 2019
    Inventors: Jong-Min LEE, Jang-Hyun KIM
  • Publication number: 20190179743
    Abstract: A memory system includes a buffer suitable for buffering victim block information, a queue suitable for queuing the victim block information, a scheduling unit suitable for detecting a read reclaim safety period and generating a trigger signal, a queue management unit suitable for detecting a remaining capacity of the queue during the safety period, a buffer management unit suitable for queuing as much of the buffered victim block information in the queue, as the remaining capacity of the queue during the safety period, and an execution unit suitable for performing a read reclaim operation based on the queued victim block information during the safety period.
    Type: Application
    Filed: July 13, 2018
    Publication date: June 13, 2019
    Inventor: Jang-Hyun KIM
  • Patent number: 10295867
    Abstract: A liquid crystal display includes: a first substrate on which a display area and a non-display area disposed on an outside of the display area are defined; a first insulating layer, which is disposed in the non-display area on the first substrate; a barrier pattern, which is disposed on the first insulating layer; a seal pattern, which is disposed on the barrier pattern to overlap the barrier pattern; and a second substrate, which is disposed to face the first substrate.
    Type: Grant
    Filed: April 28, 2016
    Date of Patent: May 21, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jang Hyun Kim, Min Su Kim, Tae Gyun Kim
  • Patent number: 10139683
    Abstract: A mother substrate assembly according to an exemplary embodiment of the present invention includes: a first mother substrate and a second mother substrate formed with a plurality of unit liquid crystal panels; and a sealant formed between the first mother substrate and the second mother substrate and combining the mother substrates, wherein the sealant encloses a circumference of each unit liquid crystal panel, and includes a first irradiation line formed in the sealant, and a second irradiation line formed in the sealant of a side closer to the unit liquid crystal panel than the first irradiation line.
    Type: Grant
    Filed: June 17, 2015
    Date of Patent: November 27, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min Su Kim, Jang-Hyun Kim, Tae Wook Kang, Tae Woon Cha
  • Publication number: 20180068598
    Abstract: A display apparatus includes a lower substrate, an upper substrate facing the lower substrate, an optical medium layer between the lower and upper substrates, a display area at which an image is displayed, and a peripheral area adjacent to the display area and at which the image is not displayed. The lower substrate includes a flexible film on a lower base substrate and including a flat portion in the display and peripheral area, and the flat portion extending from the peripheral area and along a side surface of the lower base substrate to define a bent portion in the peripheral area, a thin film transistor on the flexible film in the display area, a connecting line on the flexible film in the peripheral area and electrically connected to the thin film transistor, and a wire grid polarizer between the flexible film and the optical medium layer in the display area.
    Type: Application
    Filed: August 22, 2017
    Publication date: March 8, 2018
    Inventors: JANG-HYUN KIM, MINSU KIM, JIN-LAK KIM, DONGSOUP NOH, SEHEE HAN
  • Patent number: 9869900
    Abstract: A liquid crystal display panel includes substrates opposed to each other, a liquid crystal layer interposed between the substrates, a seal line surrounding an outer peripheral portion of the liquid crystal layer and disposed between the substrates and a liquid crystal alignment layer including a polyimide, the liquid crystal alignment layer including a first region and a second region disposed in an outer peripheral portion of the first region and disposed on one surface of at least one of the substrates, wherein at least a portion of the second region is overlapped with the seal line, the second region having a surface roughness value greater than that of the first region.
    Type: Grant
    Filed: September 28, 2015
    Date of Patent: January 16, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min Su Kim, Jang Hyun Kim, Joo Young Yoon, Hyoung Sub Lee, Tae Woon Cha
  • Patent number: 9796050
    Abstract: A method for manufacturing a display panel includes providing a mother substrate that includes a display area and a non-display area, and includes a first substrate, a second substrate facing the first substrate, and a sealant provided between the first substrate and the second substrate, generating a crack on the sealant through irradiation of laser onto the sealant between the first substrate and the second substrate, and cutting a part of the second substrate and a part of the sealant at a position corresponding to the crack.
    Type: Grant
    Filed: April 8, 2015
    Date of Patent: October 24, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jang Hyun Kim, Min Su Kim, Tae Woon Cha
  • Patent number: 9723769
    Abstract: An alignment film includes a first pre-tilt functional group, a second pre-tilt functional group and a first vertical alignment functional group, which are linked to polysiloxane on a substrate. The first vertical alignment functional group includes a cyclic compound and is aligned substantially perpendicularly to the substrate. The first pre-tilt functional group is cross-linked to the second pre-tilt functional group and tilted with respect to the substrate.
    Type: Grant
    Filed: February 20, 2015
    Date of Patent: August 1, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Taek-Joon Lee, Keun-Chan Oh, Jun-Hyup Lee, Sang-Gyun Kim, Jang-Hyun Kim, Tae-Hoon Kim
  • Publication number: 20170102569
    Abstract: A liquid crystal display includes: a first substrate on which a display area and a non-display area disposed on an outside of the display area are defined; a first insulating layer, which is disposed in the non-display area on the first substrate; a barrier pattern, which is disposed on the first insulating layer; a seal pattern, which is disposed on the barrier pattern to overlap the barrier pattern; and a second substrate, which is disposed to face the first substrate.
    Type: Application
    Filed: April 28, 2016
    Publication date: April 13, 2017
    Inventors: Jang Hyun KIM, Min Su KIM, Tae Gyun KIM
  • Publication number: 20160216563
    Abstract: A liquid crystal display panel includes substrates opposed to each other, a liquid crystal layer interposed between the substrates, a seal line surrounding an outer peripheral portion of the liquid crystal layer and disposed between the substrates and a liquid crystal alignment layer including a polyimide, the liquid crystal alignment layer including a first region and a second region disposed in an outer peripheral portion of the first region and disposed on one surface of at least one of the substrates, wherein at least a portion of the second region is overlapped with the seal line, the second region having a surface roughness value greater than that of the first region.
    Type: Application
    Filed: September 28, 2015
    Publication date: July 28, 2016
    Inventors: Min Su KIM, Jang Hyun KIM, Joo Young YOON, Hyoung Sub LEE, Tae Woon CHA
  • Patent number: 9372364
    Abstract: A display panel is provided. A first substrate includes a display area and a peripheral area. The peripheral area surrounds the display area. A second substrate is disposed on the first substrate. The second substrate faces the first substrate along a first direction. A liquid crystal layer is interposed between the first substrate and the second substrate. A multi-layered sealant is disposed on the peripheral area of the first substrate. The multi-layered sealant surrounds the liquid crystal layer. The multi-layered sealant includes a first sealant layer including an acrylate resin having a functional group having at least 3 carbon atoms, and a second sealant layer including an epoxy resin having a (meth)arcylate group.
    Type: Grant
    Filed: April 2, 2014
    Date of Patent: June 21, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jang-Hyun Kim, Keun-Chan Oh, Won-Gap Yoon, Jin-Hyeong Lee, Chang-Hun Lee, Ji-Eun Jang
  • Publication number: 20160152018
    Abstract: A method for manufacturing a display panel includes providing a mother substrate that includes a display area and a non-display area, and includes a first substrate, a second substrate facing the first substrate, and a sealant provided between the first substrate and the second substrate, generating a crack on the sealant through irradiation of laser onto the sealant between the first substrate and the second substrate, and cutting a part of the second substrate and a part of the sealant at a position corresponding to the crack.
    Type: Application
    Filed: April 8, 2015
    Publication date: June 2, 2016
    Inventors: Jang Hyun KIM, Min Su KIM, Tae Woon CHA
  • Publication number: 20160018682
    Abstract: A mother substrate assembly according to an exemplary embodiment of the present invention includes: a first mother substrate and a second mother substrate formed with a plurality of unit liquid crystal panels; and a sealant formed between the first mother substrate and the second mother substrate and combining the mother substrates, wherein the sealant encloses a circumference of each unit liquid crystal panel, and includes a first irradiation line formed in the sealant, and a second irradiation line formed in the sealant of a side closer to the unit liquid crystal panel than the first irradiation line.
    Type: Application
    Filed: June 17, 2015
    Publication date: January 21, 2016
    Inventors: Min Su KIM, Jang-Hyun KIM, Tae Wook KANG, Tae Woon CHA
  • Patent number: 9123817
    Abstract: Example embodiments disclose transistors and electronic devices including the transistors. A transistor may include a charge blocking layer between a gate insulating layer and a gate. An energy barrier between the gate insulating layer and the gate may be increased by the charge blocking layer. The transistor may be an oxide transistor including a channel layer formed of an oxide semiconductor.
    Type: Grant
    Filed: April 28, 2011
    Date of Patent: September 1, 2015
    Assignees: Samsung Electronics Co., Ltd., SNU R&DB Foundation
    Inventors: Dae-woong Kwon, Jae-chul Park, Byung-gook Park, Sang-wan Kim, Jang-hyun Kim, Ji-soo Chang
  • Publication number: 20150163968
    Abstract: An alignment film includes a first pre-tilt functional group, a second pre-tilt functional group and a first vertical alignment functional group, which are linked to polysiloxane on a substrate. The first vertical alignment functional group includes a cyclic compound and is aligned substantially perpendicularly to the substrate. The first pre-tilt functional group is cross-linked to the second pre-tilt functional group and tilted with respect to the substrate.
    Type: Application
    Filed: February 20, 2015
    Publication date: June 11, 2015
    Inventors: Taek-Joon Lee, Keun-Chan Oh, Jun-Hyup Lee, Sang-Gyun Kim, Jang-Hyun Kim, Tae-Hoon Kim
  • Patent number: 9011987
    Abstract: A liquid crystal display including a first substrate; a second substrate facing the first substrate; a thin film transistor disposed on the first substrate; an organic layer disposed on the thin film transistor; a pixel electrode disposed on the organic layer; a lower alignment layer disposed on the pixel electrode; a common electrode disposed on the second substrate; and an upper alignment layer disposed on the common electrode, wherein a first free radical included in the organic layer and a second free radical included in at least one of the lower alignment layer and the upper alignment layer are radical bonded.
    Type: Grant
    Filed: July 20, 2012
    Date of Patent: April 21, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jun Hyup Lee, Sang Gyun Kim, Jang-Hyun Kim, Tae Hoon Kim, Seung Wook Nam, Keun Chan Oh, Taek Joon Lee
  • Publication number: 20150062524
    Abstract: A display panel is provided. A first substrate includes a display area and a peripheral area. The peripheral area surrounds the display area. A second substrate is disposed on the first substrate. The second substrate faces the first substrate along a first direction. A liquid crystal layer is interposed between the first substrate and the second substrate. A multi-layered sealant is disposed on the peripheral area of the first substrate. The multi-layered sealant surrounds the liquid crystal layer. The multi-layered sealant includes a first sealant layer including an acrylate resin having a functional group having at least 3 carbon atoms, and a second sealant layer including an epoxy resin having a (meth)arcylate group.
    Type: Application
    Filed: April 2, 2014
    Publication date: March 5, 2015
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jang-Hyun KIM, Keun-Chan OH, Won-Gap YOON, Jin- Hyeong LEE, Chang-Hun LEE, Ji-Eun JANG
  • Patent number: 8962106
    Abstract: An alignment film includes a first pre-tilt functional group, a second pre-tilt functional group and a first vertical alignment functional group, which are linked to polysiloxane on a substrate. The first vertical alignment functional group includes a cyclic compound and is aligned substantially perpendicularly to the substrate. The first pre-tilt functional group is cross-linked to the second pre-tilt functional group and tilted with respect to the substrate.
    Type: Grant
    Filed: July 24, 2012
    Date of Patent: February 24, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Taek-Joon Lee, Keun-Chan Oh, Jun-Hyup Lee, Sang-Gyun Kim, Jang-Hyun Kim, Tae-Hoon Kim
  • Patent number: 8951835
    Abstract: A method of fabricating a package substrate, includes forming a cavity in at least one region of an upper surface of a wafer, the cavity including a chip mounting region, forming a through-hole penetrating through the wafer and a via filling the through-hole, forming a first wiring layer and a second wiring layer spaced apart from the first wiring layer, which are extended into the cavity, and mounting a chip in the cavity to be connected to the first wiring layer and the second wiring layer.
    Type: Grant
    Filed: October 25, 2013
    Date of Patent: February 10, 2015
    Assignees: Samsung Electro-Mechanics Co., Ltd., Sungkyunkwan University Foundation for Corporate Collaboration
    Inventors: Seung Wook Park, Young Do Kweon, Jang Hyun Kim, Tae Seok Park, Su Jeong Suh, Jae Gwon Jang, Nam Jung Kim, Seung Kyu Lim, Kwang Keun Lee
  • Publication number: 20140092356
    Abstract: A curved display device includes a bent first substrate and a bent second substrate spaced apart and facing each other, a sealant positioned at edges of the first substrate and the second substrate, and a liquid crystal layer interposed between the first substrate and the second substrate and contained by the sealant, wherein the first substrate and the second substrate are bent to have almost the same curvature radius, and a modulus of elasticity of the sealant, at least when bending of the bent first and second substrates occurs, is about 1 MPa to about 100 MPa and more specifically about 1 MPa to about 50 MPa so that the sealant can be easily shear deformed during the bending process.
    Type: Application
    Filed: March 14, 2013
    Publication date: April 3, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Byung Wook AHN, Dong-Wook KIM, Keun Chan OH, Cheong Hun LEE, Yu Deok SEO, Min Su KIM, Jang-Hyun KIM