Patents by Inventor Bo Lun

Bo Lun 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: 20240147726
    Abstract: A method of forming a memory structure is provided. The method includes providing a substrate, wherein the substrate has a plurality of isolation structures, and the isolation structures include a plurality of first protrusions protruding above the substrate; replacing the first protrusions with a plurality of second protrusions to define a plurality of predetermined regions of floating gates between the second protrusions. The replacing step includes forming an insulation filling material between the first protrusions and on the substrate, and performing a patterning process to the insulation filling and the first protrusions to form second protrusions to define the predetermined regions of the floating gates, and forming a plurality of floating gates in the predetermined regions of the floating gates.
    Type: Application
    Filed: October 26, 2023
    Publication date: May 2, 2024
    Inventors: Bo-Lun WU, Po-Yen HSU, Tse-Mian KUO
  • Patent number: 11942509
    Abstract: A light-emitting device comprises a substrate; a first light-emitting unit and a second light-emitting unit formed on the substrate, each of the first light-emitting unit and the second light-emitting unit comprises a first semiconductor layer, a second semiconductor layer, and an active layer between the first semiconductor layer and the second semiconductor layer, wherein the first light-emitting unit comprises a first semiconductor mesa and a first surrounding part surrounding the first semiconductor mesa, and the second light-emitting unit comprises a second semiconductor mesa and a second surrounding part surrounding the second semiconductor mesa; a trench formed between the first light-emitting unit and the second light-emitting unit and exposing the substrate; a first insulating layer comprising a first opening on the first surrounding part and a second opening on the second semiconductor layer of the second light-emitting unit; and a connecting electrode comprising a first connecting part on the first
    Type: Grant
    Filed: June 15, 2021
    Date of Patent: March 26, 2024
    Assignee: EPISTAR CORPORATION
    Inventors: Chao-Hsing Chen, I-Lun Ma, Bo-Jiun Hu, Yu-Ling Lin, Chien-Chih Liao
  • Publication number: 20240049612
    Abstract: A resistive random access memory (RRAM) and its manufacturing method are provided. The RRAM includes bottom contact structures formed in a substrate, memory cells formed on the substrate, and an insulating structure formed between adjacent memory cells. The memory cell includes a bottom electrode layer, two L-shaped resistance switching layers, oxygen ion diffusion barrier layers, and a top electrode layer. The bottom electrode layer is formed on one of the bottom contact structures. The L-shaped resistance switching layer has a horizontal portion and a vertical portion, and is formed on the bottom electrode layer. The oxygen ion diffusion barrier layers are formed on the inner and outer sidewalls of the vertical portion of the L-shaped resistance switching layers. The L-shaped resistance switching layers are between the top electrode layer and the bottom electrode layer.
    Type: Application
    Filed: June 23, 2023
    Publication date: February 8, 2024
    Inventors: Po-Yen HSU, Bo-Lun WU
  • Publication number: 20230422638
    Abstract: A method of fabricating a resistive random access memory cell includes the following steps. A second sacrificial layer is formed around a patterned stacked layer. An opening passing through first conductive layers and first sacrificial layers of the patterned stacked layer is formed. A second conductive layer is formed in the opening, and the second conductive layer and the first conductive layers form a first electrode layer. The first sacrificial layers and the second sacrificial layer are removed. A variable resistance layer and an oxygen reservoir layer are formed. The oxygen reservoir layer is patterned to form a patterned oxygen reservoir layer and expose the variable resistance layer. A second dielectric layer is formed on the variable resistance layer and the patterned oxygen reservoir layer. A second electrode is formed in the second dielectric layer.
    Type: Application
    Filed: September 7, 2023
    Publication date: December 28, 2023
    Applicant: Winbond Electronics Corp.
    Inventors: Po-Yen Hsu, Bo-Lun Wu, Tse-Mian Kuo
  • Patent number: 11853613
    Abstract: An encoding control method, a memory storage device and a memory control circuit unit are disclosed. The method includes: performing, by an encoding circuit, a first encoding operation to generate first parity data according to write data, a first sub-matrix and a second sub-matrix of a parity check matrix; performing, by the encoding circuit, a second encoding operation to generate second parity data according to the write data, the first parity data, a third sub-matrix, a fourth sub-matrix and a fifth sub-matrix of the parity check matrix; and sending a first write command sequence to instruct a storing of the write data, the first parity data and the second parity data to a rewritable non-volatile memory module.
    Type: Grant
    Filed: April 20, 2022
    Date of Patent: December 26, 2023
    Assignee: PHISON ELECTRONICS CORP.
    Inventors: Yu-Hsiang Lin, Bo Lun Huang
  • Patent number: 11800815
    Abstract: A resistive random access memory cell includes a first electrode layer, an oxygen reservoir layer, a variable resistance layer, and a second electrode. The first electrode layer is located on a dielectric layer, and includes a body part extending in a first direction and multiple extension parts connected to a sidewall of the body part and extending in a second direction. The second direction is perpendicular to the first direction. The oxygen reservoir layer covers the first electrode layer. The variable resistance layer is located between the first electrode layer and the oxygen reservoir layer. The second electrode is located above a top surface of the oxygen reservoir layer and around an upper sidewall of the oxygen reservoir layer.
    Type: Grant
    Filed: September 2, 2021
    Date of Patent: October 24, 2023
    Assignee: Winbond Electronics Corp.
    Inventors: Po-Yen Hsu, Bo-Lun Wu, Tse-Mian Kuo
  • Patent number: 11793095
    Abstract: A resistive random access memory, including a first electrode layer and a second electrode layer disposed opposite to each other, a variable resistance layer located between the first electrode layer and the second electrode layer, an oxygen exchange layer located between the variable resistance layer and the second electrode layer, a vacancy-supplying layer surrounding a middle sidewall of the oxygen exchange layer; and a vacancy-driving electrode layer located on the vacancy-supply layer and surrounding an upper sidewall of the oxygen exchange layer, is provided. A method of fabricating the resistive random access memory is also provided.
    Type: Grant
    Filed: August 3, 2021
    Date of Patent: October 17, 2023
    Assignee: Winbond Electronics Corp.
    Inventors: Po-Yen Hsu, Bo-Lun Wu, Shih-Ning Tsai, Tse-Mian Kuo
  • Patent number: 11793094
    Abstract: A resistive memory including a substrate, a first electrode, a second electrode, a resistance changeable layer and an oxygen reservoir layer is provided. The first electrode is located on the substrate. The second electrode is located between the first electrode and the substrate. The resistance changeable layer is located between the first electrode and the second electrode. The oxygen reservoir layer is located between the first electrode and the resistance changeable layer. The oxygen reservoir layer includes a first portion, a second portion and a third portion. The second portion is connected to one side of the first portion. The third portion is connected to the other side of the first portion. A thickness of the first portion is greater than a thickness of the second portion and a thickness of the third portion. The first portion of the oxygen reservoir layer protrudes toward the first electrode.
    Type: Grant
    Filed: May 25, 2021
    Date of Patent: October 17, 2023
    Assignee: Winbond Electronics Corp.
    Inventors: Po-Yen Hsu, Bo-Lun Wu, Tse-Mian Kuo
  • Patent number: 11785868
    Abstract: A semiconductor structure includes a substrate, a first electrode, a vacancy supply layer, a sidewall barrier layer, an oxygen reservoir layer, a resistive switching layer, and a second electrode. The first electrode is disposed on the substrate. The vacancy supply layer is disposed on the first electrode. The sidewall barrier layer is disposed on the first electrode. The oxygen reservoir layer is disposed on the first electrode. The sidewall barrier layer is disposed between the oxygen reservoir layer and the vacancy supply layer. The resistive switching layer is disposed on the vacancy supply layer. The second electrode is disposed on the resistive switching layer.
    Type: Grant
    Filed: November 12, 2021
    Date of Patent: October 10, 2023
    Assignee: WINBOND ELECTRONICS CORP.
    Inventors: Po-Yen Hsu, Bo-Lun Wu, Tse-Mian Kuo
  • Patent number: 11770985
    Abstract: Provided is a resistive random access memory (RRAM) including a first electrode layer and a second electrode layer disposed opposite to each other, a variable resistance layer located between the first electrode layer and the second electrode layer, an oxygen exchange layer located between the variable resistance layer and the second electrode layer, a conductive layer laterally surrounding a sidewall of the oxygen exchange layer, a first barrier layer located between the conductive layer and the oxygen exchange layer and between the oxygen exchange layer and the variable resistance layer, and a second barrier layer located between the conductive layer and the second electrode layer and between the second electrode layer and the oxygen exchange layer.
    Type: Grant
    Filed: September 21, 2020
    Date of Patent: September 26, 2023
    Assignee: Winbond Electronics Corp.
    Inventors: Po-Yen Hsu, Bo-Lun Wu, Shih-Ning Tsai
  • Publication number: 20230289102
    Abstract: An encoding control method, a memory storage device and a memory control circuit unit are disclosed. The method includes: performing, by an encoding circuit, a first encoding operation to generate first parity data according to write data, a first sub-matrix and a second sub-matrix of a parity check matrix; performing, by the encoding circuit, a second encoding operation to generate second parity data according to the write data, the first parity data, a third sub-matrix, a fourth sub-matrix and a fifth sub-matrix of the parity check matrix; and sending a first write command sequence to instruct a storing of the write data, the first parity data and the second parity data to a rewritable non-volatile memory module.
    Type: Application
    Filed: April 20, 2022
    Publication date: September 14, 2023
    Applicant: PHISON ELECTRONICS CORP.
    Inventors: Yu-Hsiang Lin, Bo Lun Huang
  • Patent number: 11758832
    Abstract: Provided is a method of manufacturing a resistive random access memory (RRAM) including: forming a lower electrode protruding from a top surface of a dielectric layer; conformally forming a data storage layer on the lower electrode and the dielectric layer; forming an oxygen reservoir material layer on the data storage layer; forming an opening in the oxygen reservoir material layer to expose the data storage layer on the lower electrode; forming an isolation structure in the opening, wherein the isolation structure divides the oxygen reservoir material layer into a first oxygen reservoir layer and a second oxygen reservoir layer; and forming an upper electrode on the first and second oxygen reservoir layers, wherein the first and second oxygen reservoir layers share the upper electrode.
    Type: Grant
    Filed: December 7, 2021
    Date of Patent: September 12, 2023
    Assignee: Winbond Electronics Corp.
    Inventors: Bo-Lun Wu, Po-Yen Hsu
  • Patent number: 11637241
    Abstract: A RRAM and its manufacturing method are provided. The RRAM includes an interlayer dielectric layer, a first bottom contact structure, and a second bottom contact structure formed on a substrate. A first memory cell is formed on the first bottom contact structure. The first memory cell includes a first bottom electrode layer which includes a first conductive region. A pattern in which the first conductive region is vertically projected on the first bottom contact structure is a first projection pattern. A second memory cell is formed on the second bottom contact structure. The second memory cell includes a second bottom electrode layer which includes a second conductive region. A pattern in which the second conductive region is vertically projected on the second bottom contact structure is a second projection pattern. The second projection pattern is different from the first projection pattern.
    Type: Grant
    Filed: December 8, 2020
    Date of Patent: April 25, 2023
    Assignee: WINBOND ELECTRONICS CORP.
    Inventors: Meng-Hung Lin, Bo-Lun Wu, Po-Yen Hsu, Ying-Fu Tung, Han-Hsiu Chen
  • Patent number: 11601267
    Abstract: A key generator including a first access circuit, a first calculating circuit and a first certification circuit is provided. The first access circuit writes first predetermined data to a first resistive memory cell during a write period and reads a first current passing through the first resistive memory cell after a randomization process. The first calculating circuit calculates the first current to generate a first calculation result. The first certification circuit generates a first password according to the first calculation result.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: March 7, 2023
    Assignee: WINBOND ELECTRONICS CORP.
    Inventors: Meng-Hung Lin, Chia Hua Ho, Bo-Lun Wu
  • Patent number: 11552245
    Abstract: A conductive bridge random access memory and its manufacturing method are provided. The conductive bridge random access memory includes a bottom electrode, an inter-metal dielectric, a resistance switching assembly, and a top electrode. The bottom electrode is disposed on a substrate, and the inter-metal dielectric is disposed above the bottom electrode. The resistance switching assembly is disposed on the bottom electrode and positioned in the inter-metal dielectric. The resistance switching assembly has a reverse T-shape cross-section. The top electrode is disposed on the resistance switching assembly and the inter-metal dielectric.
    Type: Grant
    Filed: February 27, 2020
    Date of Patent: January 10, 2023
    Assignee: WINDBOND ELECTRONICS CORP.
    Inventors: Chih-Yao Lin, Po-Yen Hsu, Bo-Lun Wu
  • Patent number: 11495637
    Abstract: Provided are a resistive random access memory and a method of manufacturing the same. The resistive random access memory includes a stacked structure and a bit line structure. The stacked structure is disposed on a substrate. The stacked structure includes a bottom electrode, a top electrode and a resistance-switching layer. The bottom electrode is disposed on the substrate. The top electrode is disposed on the bottom electrode. The resistance-switching layer is disposed between the bottom electrode and the top electrode. The bit line structure covers a top surface of the stacked structure and covers a portion of a sidewall of the stacked structure. The bit line structure is electrically connected to the stacked structure.
    Type: Grant
    Filed: July 1, 2020
    Date of Patent: November 8, 2022
    Assignee: Winbond Electronics Corp.
    Inventors: Po-Yen Hsu, Shih-Ning Tsai, Bo-Lun Wu, Tse-Mian Kuo
  • Publication number: 20220352463
    Abstract: A resistive random access memory cell includes a first electrode layer, an oxygen reservoir layer, a variable resistance layer, and a second electrode. The first electrode layer is located on a dielectric layer, and includes a body part extending in a first direction and multiple extension parts connected to a sidewall of the body part and extending in a second direction. The second direction is perpendicular to the first direction. The oxygen reservoir layer covers the first electrode layer. The variable resistance layer is located between the first electrode layer and the oxygen reservoir layer. The second electrode is located above a top surface of the oxygen reservoir layer and around an upper sidewall of the oxygen reservoir layer.
    Type: Application
    Filed: September 2, 2021
    Publication date: November 3, 2022
    Applicant: Winbond Electronics Corp.
    Inventors: Po-Yen Hsu, Bo-Lun Wu, Tse-Mian Kuo
  • Publication number: 20220293851
    Abstract: A semiconductor structure includes a substrate, a first electrode, a vacancy supply layer, a sidewall barrier layer, an oxygen reservoir layer, a resistive switching layer, and a second electrode. The first electrode is disposed on the substrate. The vacancy supply layer is disposed on the first electrode. The sidewall barrier layer is disposed on the first electrode. The oxygen reservoir layer is disposed on the first electrode. The sidewall barrier layer is disposed between the oxygen reservoir layer and the vacancy supply layer. The resistive switching layer is disposed on the vacancy supply layer. The second electrode is disposed on the resistive switching layer.
    Type: Application
    Filed: November 12, 2021
    Publication date: September 15, 2022
    Inventors: Po-Yen HSU, Bo-Lun WU, Tse-Mian KUO
  • Patent number: 11424407
    Abstract: A resistive random access memory is provided. The resistive random access memory includes a substrate, a first dielectric layer, a bottom electrode, a resistance switching layer, an oxygen exchange layer, a barrier layer and a top electrode. The first dielectric layer is disposed on the substrate. The bottom electrode is disposed on the first dielectric layer. The resistance switching layer is disposed on the bottom electrode. The oxygen exchange layer is disposed on the resistance switching layer. A contact area between the oxygen exchange layer and the resistance switching layer is smaller than a top surface area of the resistance switching layer. The barrier layer is disposed on the oxygen exchange layer. The top electrode is disposed on the barrier layer.
    Type: Grant
    Filed: September 2, 2020
    Date of Patent: August 23, 2022
    Assignee: WINBOND ELECTRONICS CORP.
    Inventors: Po-Yen Hsu, Bo-Lun Wu, Tse-Mian Kuo
  • Publication number: 20220216401
    Abstract: A resistive random access memory, including a first electrode layer and a second electrode layer disposed opposite to each other, a variable resistance layer located between the first electrode layer and the second electrode layer, an oxygen exchange layer located between the variable resistance layer and the second electrode layer, a vacancy-supplying layer surrounding a middle sidewall of the oxygen exchange layer; and a vacancy-driving electrode layer located on the vacancy-supply layer and surrounding an upper sidewall of the oxygen exchange layer, is provided. A method of fabricating the resistive random access memory is also provided.
    Type: Application
    Filed: August 3, 2021
    Publication date: July 7, 2022
    Applicant: Winbond Electronics Corp.
    Inventors: Po-Yen Hsu, Bo-Lun Wu, Shih-Ning Tsai, Tse-Mian Kuo