Patents by Inventor Jun Ho Jang

Jun Ho Jang 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).

  • Memory system, program method thereof, and computing system including the same
    Patent number: 8223544
    Abstract: Disclosed is a memory system and a method of programming a multi-bit flash memory device which includes memory cells configured to store multi-bit data, where the method includes and the system is configured for determining whether data to be stored in a selected memory cell is an LSB data; and if data to be stored in a selected memory cell is not an LSB data, backing up lower data stored in the selected memory cell to a backup memory block of the multi-bit flash memory device.
    Type: Grant
    Filed: August 29, 2011
    Date of Patent: July 17, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jun-Ho Jang, In-Hwan Choi, Woon-Jae Chung, Song-Ho Yoon, Kyung-Wook Ye
  • System and method for cache synchronization
    Patent number: 8214581
    Abstract: A system for cache synchronization includes a data managing unit and a storage medium. The data managing unit is configured to control storing of data of a buffer cache of the storage medium, in response to an event signal received from a host, by classifying the data of the buffer cache into random data and sequential data. The storage medium includes a first area and a second area, and is configured to store the random data and an address information map in the first area, and to store the sequential data in the second area.
    Type: Grant
    Filed: December 3, 2009
    Date of Patent: July 3, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jun-ho Jang, Woon-jae Chung, Joon-ho Lee
  • Light emitting device having vertical structrue and method for manufacturing the same
    Patent number: 8203162
    Abstract: A light emitting device having a vertical structure and a method for manufacturing the same, which are capable of damping impact generated during a substrate separation process and achieving an improvement in mass productivity, are disclosed. The light emitting device includes a semiconductor layer having a multilayer structure, a first electrode arranged at one surface of the semiconductor layer, a metal support arranged on the first electrode, and an impact damping layer arranged between the first electrode and the metal support, and made of a metal having a ductility higher than a ductility of a metal for the metal support.
    Type: Grant
    Filed: February 4, 2010
    Date of Patent: June 19, 2012
    Assignees: LG Electronics Inc., LG Innotek Co., Ltd.
    Inventors: Jun Ho Jang, Hyun Jae Lee
  • Nonvolatile memory device, method of operating nonvolatile memory device and memory system including nonvolatile memory device
    Patent number: 8203881
    Abstract: The method of operating the nonvolatile memory device may include performing a read operation on a first address region, comparing a read time of the first address region with a reference time, and storing read data from the read from the first address region in a second address region based on the comparison result.
    Type: Grant
    Filed: February 16, 2010
    Date of Patent: June 19, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Nam-Hoon Kim, Jun-Ho Jang
  • LED having vertical structure and method for fabricating the same
    Patent number: 8202753
    Abstract: A light emitting diode (LED) having a vertical structure and a method for fabricating the same. The light emitting diode (LED) having a vertical structure includes a support layer; a first electrode formed on the support layer; a plurality of semiconductor layers formed on the first electrode; a conductive semiconductor layer formed on the plurality of semiconductor layers, and provided with an outer surface having a tilt angle of a designated degree; and a second electrode formed on the conductive semiconductor layer.
    Type: Grant
    Filed: September 8, 2010
    Date of Patent: June 19, 2012
    Assignee: LG Electronics Inc.
    Inventors: Jong Wook Kim, Jae Wan Choi, Hyun Kyong Cho, Jong Ho Na, Jun Ho Jang
  • Method of fabricating systems including heat-sensitive memory devices
    Patent number: 8166234
    Abstract: A system code is stored in a first nonvolatile memory. The first nonvolatile memory and a second nonvolatile memory are heated during assembly of an electronic device including the first nonvolatile memory and a second nonvolatile memory. The heating is to a temperature sufficient to change a state of at least some memory cells in the second nonvolatile memory device. After the heating, the system code stored in the first nonvolatile memory is copied into the second nonvolatile memory. The first nonvolatile memory may he less vulnerable to temperature-related data alteration than the second nonvolatile memory. For example, the first nonvolatile memory may include a NAND flash memory and the second nonvolatile memory may include a variable resistance memory.
    Type: Grant
    Filed: December 4, 2009
    Date of Patent: April 24, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jun-Ho Jang, Woonjae Chung, Hungjun An
  • Semiconductor memory device and system capable of executing an interleave programming for a plurality of memory chips and a 2-plane programming at the respective memory chips
    Patent number: 8154925
    Abstract: A semiconductor memory device includes first and second memory chips and a control logic configured to execute an interleave program between the first and second memory chips. The control logic receives write data to be written into first and second memory blocks of the first memory chip. If the first and second memory blocks are normal blocks, the control logic simultaneously performs a program operation for the first and second memory blocks. If one memory block of the first and second memory blocks is a bad block, the control logic writes the received write data corresponding to the one memory block into a storage circuit.
    Type: Grant
    Filed: February 1, 2010
    Date of Patent: April 10, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: SeongHwan Moon, Jun-Ho Jang
  • METHOD AND APPARATUS FOR BOOTING HOST
    Publication number: 20120030458
    Abstract: Provided are a method and a device for booting a host embodying a downloadable conditional access system (DCAS), wherein one of a plurality of pre-determined booting modes is decided as a booting mode of the host based on first information indicating whether a host can communicate with a broadcasting service provider and second information indicating whether a software-based security client providing information required for decrypting broadcasting data is installed to a hardware-based security module connected to the host, and the host is booted in the decided booting mode.
    Type: Application
    Filed: October 12, 2011
    Publication date: February 2, 2012
    Inventors: Young-min PARK, Jun-ho JANG, Gyung-pyo HONG, Keum-yong OH, Hae-su GWON
  • Light Emitting Diode Having Vertical Topology And Method Of Making The Same
    Publication number: 20120018700
    Abstract: An LED having vertical topology and a method of making the same is capable of improving a luminous efficiency and reliability, and is also capable of achieving mass productivity. The method includes forming a semiconductor layer on a substrate; forming a first electrode on the semiconductor layer; forming a supporting layer on the first electrode; generating an acoustic stress wave at the interface between the substrate and semiconductor layer, thereby separating the substrate from the semiconductor layer; and forming a second electrode on the semiconductor layer exposed by the separation of the substrate.
    Type: Application
    Filed: August 26, 2011
    Publication date: January 26, 2012
    Inventors: Jun Ho Jang, Jae Wan Choi, Duk Kyu Bae, Hyun Kyong Cho, Jong Kook Park, Sun Jung Kim, Jeong Soo Lee
  • MEMORY SYSTEM, PROGRAM METHOD THEREOF, AND COMPUTING SYSTEM INCLUDING THE SAME
    Publication number: 20110314207
    Abstract: Disclosed is a memory system and a method of programming a multi-bit flash memory device which includes memory cells configured to store multi-bit data, where the method includes and the system is configured for determining whether data to be stored in a selected memory cell is an LSB data; and if data to be stored in a selected memory cell is not an LSB data, backing up lower data stored in the selected memory cell to a backup memory block of the multi-bit flash memory device.
    Type: Application
    Filed: August 29, 2011
    Publication date: December 22, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jun-Ho Jang, In-Hwan Choi, Woon-Jae Chung, Song-Ho Yoon, Kyung-Wook Ye
  • LIGHT EMITTING DEVICE HAVING LIGHT EXTRACTION STRUCTURE AND METHOD FOR MANUFACTURING THE SAME
    Publication number: 20110297993
    Abstract: A nitride-based light emitting device capable of achieving an enhancement in emission efficiency and an enhancement in reliability is disclosed. The light emitting device includes a semiconductor layer, and a light extracting layer arranged on the semiconductor layer and made of a material having a refractive index equal to or higher than a reflective index of the semiconductor layer.
    Type: Application
    Filed: August 22, 2011
    Publication date: December 8, 2011
    Inventors: Hyun Kyong CHO, Sun Kyung Kim, Jun Ho Jang
  • Method and apparatus for booting host
    Patent number: 8065513
    Abstract: Provided are a method and a device for booting a host embodying a downloadable conditional access system (DCAS), wherein one of a plurality of pre-determined booting modes is decided as a booting mode of the host based on first information indicating whether a host can communicate with a broadcasting service provider and second information indicating whether a software-based security client providing information required for decrypting broadcasting data is installed to a hardware-based security module connected to the host, and the host is booted in the decided booting mode.
    Type: Grant
    Filed: November 7, 2008
    Date of Patent: November 22, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young-min Park, Jun-ho Jang, Gyung-pyo Hong, Keum-yong Oh, Hae-su Gwon
  • ELECTRONIC DEVICE COMPRISING FLASH MEMORY AND RELATED METHOD OF HANDLING PROGRAM FAILURES
    Publication number: 20110271041
    Abstract: A storage device performs a program operation to store program data in a selected memory block of a flash memory. The storage device allocates a reserved area of the flash memory as a free block upon detecting that a program failure has occurred in the program operation, reads the program data from a cache latch in a page buffer of the flash memory, copies valid data stored in the selected memory block to a first area of the free block, and reprograms the program data read from the cache latch to a second area of the free block.
    Type: Application
    Filed: March 29, 2011
    Publication date: November 3, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Mi-Hyang LEE, Jun-Ho JANG, Seung-Jin JUNG
  • Light emitting diode having vertical topology and method of making the same
    Patent number: 8039281
    Abstract: An LED having vertical topology and a method of making the same is capable of improving a luminous efficiency and reliability, and is also capable of achieving mass productivity. The method includes forming a semiconductor layer on a substrate; forming a first electrode on the semiconductor layer; forming a supporting layer on the first electrode; generating an acoustic stress wave at the interface between the substrate and semiconductor layer, thereby separating the substrate from the semiconductor layer; and forming a second electrode on the semiconductor layer exposed by the separation of the substrate.
    Type: Grant
    Filed: September 13, 2010
    Date of Patent: October 18, 2011
    Assignees: LG Electronics Inc., LG Innotek Co., Ltd.
    Inventors: Jun Ho Jang, Jae Wan Choi, Duk Kyu Bae, Hyun Kyong Cho, Jong Kook Park, Sun Jung Kim, Jeong Soo Lee
  • Memory system, program method thereof, and computing system including the same
    Patent number: 8031522
    Abstract: Disclosed is a memory system and a method of programming a multi-bit flash memory device which includes memory cells configured to store multi-bit data, where the method includes and the system is configured for determining whether data to be stored in a selected memory cell is an LSB data; and if data to be stored in a selected memory cell is not an LSB data, backing up lower data stored in the selected memory cell to a backup memory block of the multi-bit flash memory device.
    Type: Grant
    Filed: April 28, 2008
    Date of Patent: October 4, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jun-Ho Jang, In-Hwan Choi, Woon-Jae Chung, Song-Ho Yoon, Kyung-Wook Ye
  • Light emitting device having light extraction structure and method for manufacturing the same
    Patent number: 8008103
    Abstract: A nitride-based light emitting device capable of achieving an enhancement in emission efficiency and an enhancement in reliability is disclosed. The light emitting device includes a semiconductor layer, and a light extracting layer arranged on the semiconductor layer and made of a material having a refractive index equal to or higher than a reflective index of the semiconductor layer.
    Type: Grant
    Filed: December 14, 2009
    Date of Patent: August 30, 2011
    Assignees: LG Innotek Co., Ltd., LG Electronics Inc.
    Inventors: Hyun Kyong Cho, Sun Kyung Kim, Jun Ho Jang
  • Light emitting device having light extraction structure
    Patent number: 8003993
    Abstract: A nitride-based light emitting device capable of achieving an enhancement in emission efficiency and an enhancement in reliability is disclosed. The light emitting device includes a semiconductor layer, and a light extracting layer arranged on the semiconductor layer and made of a material having a refractive index equal to or higher than a reflective index of the semiconductor layer.
    Type: Grant
    Filed: December 14, 2009
    Date of Patent: August 23, 2011
    Assignees: LG Innotek Co., Ltd., LG Electronics Inc.
    Inventors: Hyun Kyong Cho, Sun Kyung Kim, Jun Ho Jang
  • SYSTEMS AND METHODS OF TRANSFERRING DATA BETWEEN A DISK DEVICE AND AN EXTERNAL STORAGE DEVICE
    Publication number: 20110191501
    Abstract: Provided are systems and methods to communicate data transfer of data between a disk device and an external storage device. A host can generate a control command to communicate with an external storage device, and a disk device to receive the control command from a host to identify and communicate with an external storage device when connected to the external storage device and to configure the external storage device by assigning an ID code to each storage area of the external storage device.
    Type: Application
    Filed: February 2, 2011
    Publication date: August 4, 2011
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jun-ho JANG, Keung-youn Cho
  • Light Emitting Device Having Vertical Structure, Package Thereof And Method For Manufacturing The Same
    Publication number: 20110180833
    Abstract: A light emitting device having a vertical structure, a package thereof and a method for manufacturing the same, which are capable of damping impact generated in a substrate separation process, and achieving an improvement in mass productivity, are disclosed. The method includes growing a semiconductor layer having a multilayer structure over a substrate, forming a first electrode on the semiconductor layer, separating the substrate including the grown semiconductor layer into unit devices, bonding each of the separated unit devices on a sub-mount, separating the substrate from the semiconductor layer, and forming a second electrode on a surface of the semiconductor layer exposed in accordance with the separation of the substrate.
    Type: Application
    Filed: April 6, 2011
    Publication date: July 28, 2011
    Inventors: Jun Ho Jang, Geun Ho Kim
  • Light emitting device having light extraction structure and method for manufacturing the same
    Patent number: 7939840
    Abstract: A nitride-based light emitting device capable of achieving an enhancement in emission efficiency and an enhancement in reliability is disclosed. The light emitting device includes a semiconductor layer, and a light extracting layer arranged on the semiconductor layer and made of a material having a refractive index equal to or higher than a reflective index of the semiconductor layer.
    Type: Grant
    Filed: December 14, 2009
    Date of Patent: May 10, 2011
    Assignees: LG Innotek Co., Ltd., LG Electronics Inc.
    Inventors: Hyun Kyong Cho, Sun Kyung Kim, Jun Ho Jang