Patents by Inventor Chih-Yen Chen

Chih-Yen Chen 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).

  • Patent number: 11979613
    Abstract: Encoding methods and apparatuses include receiving input video data of a current block in a current picture and applying a Cross-Component Adaptive Loop Filter (CCALF) processing on the current block based on cross-component filter coefficients to refine chroma components of the current block according to luma sample values. The method further includes signaling two Adaptive Loop Filter (ALF) signal flags and two CCALF signal flags in an Adaptation Parameter Set (APS) with an APS parameter type equal to ALF or parsing two ALF signal flags and two CCALF signal flags from an APS with an APS parameter type equal to ALF, signaling or parsing one or more Picture Header (PH) CCALF syntax elements or Slice Header (SH) CCALF syntax elements, wherein both ALF and CCALF signaling are present either in a PH or SH, and encoding or decoding the current block in the current picture.
    Type: Grant
    Filed: June 28, 2022
    Date of Patent: May 7, 2024
    Assignee: HFI INNOVATION INC.
    Inventors: Ching-Yeh Chen, Olena Chubach, Chen-Yen Lai, Tzu-Der Chuang, Chih-Wei Hsu, Yu-Wen Huang
  • Patent number: 11980040
    Abstract: A semiconductor device includes a substrate; a memory array over the substrate, the memory array including first magnetic tunnel junctions (MTJs), where the first MTJs are in a first dielectric layer over the substrate; and a resistor circuit over the substrate, the resistor circuit including second MTJs, where the second MTJs are in the first dielectric layer.
    Type: Grant
    Filed: June 14, 2021
    Date of Patent: May 7, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Tai-Yen Peng, Tsung-Hsien Chang, Yu-Shu Chen, Chih-Yuan Ting, Jyu-Horng Shieh, Chung-Te Lin
  • Publication number: 20240145421
    Abstract: Provided are a passivation layer for forming a semiconductor bonding structure, a sputtering target making the same, a semiconductor bonding structure and a semiconductor bonding process. The passivation layer is formed on a bonding substrate by sputtering the sputtering target; the passivation layer and the sputtering target comprise a first metal, a second metal or a combination thereof. The bonding substrate comprises a third metal. Based on a total atom number of the surface of the passivation layer, O content of the surface of the passivation layer is less than 30 at %; the third metal content of the surface of the passivation layer is less than or equal to 10 at %. The passivation layer has a polycrystalline structure. The semiconductor bonding structure sequentially comprises a first bonding substrate, a bonding layer and a second bonding substrate: the bonding layer is mainly formed by the passivation layer and the third metal.
    Type: Application
    Filed: October 27, 2023
    Publication date: May 2, 2024
    Inventors: Kuan-Neng CHEN, Zhong-Jie HONG, Chih-I CHO, Ming-Wei WENG, Chih-Han CHEN, Chiao-Yen WANG, Ying-Chan HUNG, Hong-Yi WU, CHENG-YEN HSIEH
  • Patent number: 11974367
    Abstract: A lighting device includes a light board and a light dimmer circuit. The light board includes multiple first light emitting elements and second light emitting elements. The first light emitting elements are disposed in a first area of the light board. The second light emitting elements are disposed in a second area of the light board. The light dimmer circuit is configured to drive the second light emitting elements to generate flickering lights from the second area of the light board, and is configured to drive the first light emitting elements to generate non-flickering lights from the first area of the light board.
    Type: Grant
    Filed: October 4, 2022
    Date of Patent: April 30, 2024
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Chih-Hsien Wang, Ming-Chieh Cheng, Po-Yen Chen, Shih-Chieh Chang, Kuan-Hsien Tu, Xiu-Yi Lin, Ling-Chun Wang
  • Patent number: 11967642
    Abstract: A semiconductor structure includes a buffer layer, a channel layer, a barrier layer, a doped compound semiconductor layer, and a composition gradient layer. The buffer layer is disposed on a substrate, the channel layer is disposed on the buffer layer, the barrier layer is disposed on the channel layer, the doped compound semiconductor layer is disposed on the barrier layer, and the composition gradient layer is disposed between the barrier layer and the doped compound semiconductor layer. The barrier layer and the composition gradient layer include a same group III element and a same group V element, and the atomic percentage of the same group III element in the composition gradient layer is gradually increased in the direction from the barrier layer to the doped compound semiconductor layer. A high electron mobility transistor and a fabrication method thereof are also provided.
    Type: Grant
    Filed: September 3, 2021
    Date of Patent: April 23, 2024
    Assignee: Vanguard International Semiconductor Corporation
    Inventors: Chih-Yen Chen, Tuan-Wei Wang, Franky Juanda Lumbantoruan, Chun-Yang Chen
  • Patent number: 11956462
    Abstract: Video processing methods and apparatuses for coding a current block comprise receiving input data of a current block, partitioning the current block into multiple sub-blocks, deriving sub-block MVs for the current block according to a sub-block motion compensation coding tool, constraining the sub-block MVs to form constrained sub-block MVs, and encoding or decoding the current block using the constrained sub-block MVs, and applying motion compensation to the current block using the constrained sub-block MVs to encode or decode the current block. The sub-block MVs may be constrained according to a size, width, or height of the current block or a sub-block, an inter prediction direction of one of control point MVs of the current block, the current block, or current sub-block, the control point MVs, or a combination of the above.
    Type: Grant
    Filed: December 8, 2021
    Date of Patent: April 9, 2024
    Assignee: HFI INNOVATION INC.
    Inventors: Tzu-Der Chuang, Ching-Yeh Chen, Chen-Yen Lai, Chih-Wei Hsu
  • Patent number: 11942519
    Abstract: A semiconductor structure includes a superlattice structure, an electrical isolation layer, a channel layer, and a composition gradient layer. The superlattice structure is disposed on a substrate, the electrical isolation layer is disposed on the superlattice structure, the channel layer is disposed on the electrical isolation layer, and the composition gradient layer is disposed between the electrical isolation layer and the superlattice structure. The composition gradient layer and the superlattice structure include a same group III element, and the atomic percentage of the same group III element in the composition gradient layer is gradually decreased in the direction from the superlattice structure to the electrical isolation layer. In addition, a high electron mobility transistor including the semiconductor structure is also provided.
    Type: Grant
    Filed: September 1, 2021
    Date of Patent: March 26, 2024
    Assignee: Vanguard International Semiconductor Corporation
    Inventors: Chih-Yen Chen, Franky Juanda Lumbantoruan
  • Publication number: 20240079392
    Abstract: A semiconductor structure includes a first tier, a redistribution circuit structure, and a second tier. The first tier includes at least one first die. The redistribution circuit structure is disposed on the first tier and electrically coupled to the at least one first die, where the redistribution circuit structure has a multi-layer structure and includes a vertical connection structure continuously extending from a first side of the redistribution circuit structure to a second side of the redistribution circuit structure, and the first side is opposite to the second side along a stacking direction of the first tier and the redistribution circuit structure. The second tier includes a plurality of second dies, and is disposed on and electrically coupled to the redistribution circuit structure.
    Type: Application
    Filed: January 10, 2023
    Publication date: March 7, 2024
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chuei-Tang WANG, Tso-Jung Chang, Jeng-Shien Hsieh, Shih-Ping Lin, Chih-Peng Lin, Chieh-Yen Chen, Chen-Hua Yu
  • Publication number: 20230299146
    Abstract: A semiconductor structure includes a nucleation layer disposed on a substrate, an epitaxial growth layer disposed above the nucleation layer, and a superlattice structure disposed between the nucleation layer and the epitaxial growth layer. The superlattice structure includes a plurality of alternately stacked superlattice units, and adjacent two superlattice units include a first superlattice unit and a second superlattice unit. The first superlattice unit includes a first superlattice layer and a second superlattice layer stacked thereon, the second superlattice unit includes a third superlattice layer and a fourth superlattice layer stacked thereon, where each of the first, second, third and fourth superlattice layers includes a plurality of pairs of two sublayers with different compositions from each other.
    Type: Application
    Filed: March 18, 2022
    Publication date: September 21, 2023
    Applicant: Vanguard International Semiconductor Corporation
    Inventors: Chih-Yen Chen, Franky Juanda Lumbantoruan, Chien-Jen Sun, Yi-Wei Lien, Tuan-Wei Wang, Chun-Yang Chen
  • Publication number: 20230187505
    Abstract: A semiconductor structure includes a substrate, a buffer layer, a channel layer, a barrier layer, a doped compound semiconductor layer, and a composite blocking layer. The buffer layer is on the substrate. The channel layer is on the buffer layer. The barrier layer is on the channel layer. The doped compound semiconductor layer is on the barrier layer. The composite blocking layer is on the doped compound semiconductor layer, the composite blocking layer and the barrier layer include the same Group III element, and the atomic percent of the same Group III element in the composite blocking layer increases with the distance from the doped compound semiconductor layer.
    Type: Application
    Filed: December 9, 2021
    Publication date: June 15, 2023
    Applicant: Vanguard International Semiconductor Corporation
    Inventors: Chih-Yen CHEN, Franky Juanda LUMBANTORUAN, Tuan-Wei WANG, Juin-Yang CHEN
  • Patent number: 11670708
    Abstract: A semiconductor device is provided, including a substrate, a seed layer on the substrate, an epitaxial layer on the seed layer, an electrode structure on the epitaxial layer and an electric field modulation structure. The electrode structure includes a gate structure, a source structure and a drain structure, wherein the source structure and the drain structure are positioned on opposite sides of the gate structure. The electric field modulation structure includes an electric connection structure and a conductive layer electrically connected to the electric connection structure. The conductive layer is positioned between the gate structure and the drain structure. The electric connection structure is electrically connected to the source structure and the drain structure.
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: June 6, 2023
    Assignee: Vanguard International Semiconductor Corporation
    Inventors: Shin-Cheng Lin, Chih-Yen Chen, Chia-Ching Huang
  • Patent number: 11670505
    Abstract: A semiconductor substrate is provided. The semiconductor substrate includes a ceramic base, a seed layer, and a nucleation layer. The ceramic base has a front surface and a back surface, and the front surface is a non-flat surface. The seed layer is disposed on the front surface of the ceramic substrate. The nucleation layer is disposed on the seed layer.
    Type: Grant
    Filed: August 28, 2020
    Date of Patent: June 6, 2023
    Assignee: Vanguard International Semiconductor Corporation
    Inventor: Chih-Yen Chen
  • Publication number: 20230070031
    Abstract: A semiconductor structure includes a buffer layer, a channel layer, a barrier layer, a doped compound semiconductor layer, and a composition gradient layer. The buffer layer is disposed on a substrate, the channel layer is disposed on the buffer layer, the barrier layer is disposed on the channel layer, the doped compound semiconductor layer is disposed on the barrier layer, and the composition gradient layer is disposed between the barrier layer and the doped compound semiconductor layer. The barrier layer and the composition gradient layer include a same group III element and a same group V element, and the atomic percentage of the same group III element in the composition gradient layer is gradually increased in the direction from the barrier layer to the doped compound semiconductor layer. A high electron mobility transistor and a fabrication method thereof are also provided.
    Type: Application
    Filed: September 3, 2021
    Publication date: March 9, 2023
    Applicant: Vanguard International Semiconductor Corporation
    Inventors: Chih-Yen Chen, Tuan-Wei Wang, Franky Juanda Lumbantoruan, Chun-Yang Chen
  • Publication number: 20230066042
    Abstract: A semiconductor structure includes a superlattice structure, an electrical isolation layer, a channel layer, and a composition gradient layer. The superlattice structure is disposed on a substrate, the electrical isolation layer is disposed on the superlattice structure, the channel layer is disposed on the electrical isolation layer, and the composition gradient layer is disposed between the electrical isolation layer and the superlattice structure. The composition gradient layer and the superlattice structure include a same group III element, and the atomic percentage of the same group III element in the composition gradient layer is gradually decreased in the direction from the superlattice structure to the electrical isolation layer. In addition, a high electron mobility transistor including the semiconductor structure is also provided.
    Type: Application
    Filed: September 1, 2021
    Publication date: March 2, 2023
    Applicant: Vanguard International Semiconductor Corporation
    Inventors: Chih-Yen Chen, Franky Juanda Lumbantoruan
  • Patent number: 11550710
    Abstract: A memory controller includes a memory interface and a processor. The processor is coupled to the memory interface and controls access operation of a memory device via the memory interface. The processor maintains a predetermined table according to write operation of a first memory block of the memory device and performs data protection in response to the write operation. When performing the data protection, the processor determines whether memory space damage has occurred in the first memory block. When it is determined that memory space damage has occurred in the first memory block, the processor traces back one or more data sources of data written in the first memory block according to the predetermined table to obtain address information of one or more source memory blocks and performs a data recovery operation according to the address information of the one or more source memory blocks.
    Type: Grant
    Filed: December 23, 2020
    Date of Patent: January 10, 2023
    Assignee: Realtek Semiconductor Corp.
    Inventors: Wei-Ren Hsu, Chih-Yen Chen, Yen-Chung Chen, Jiunn-Jong Pan
  • Patent number: 11545567
    Abstract: A semiconductor device includes a substrate, a channel layer, a barrier layer, a compound semiconductor layer, a source/drain pair, a fluorinated region, and a gate. The channel layer is disposed over the substrate. The barrier layer is disposed over the channel layer. The compound semiconductor layer is disposed over the barrier layer. The source/drain pair is disposed over the substrate, wherein the source and the drain are located on opposite sides of the compound semiconductor layer. The fluorinated region is disposed in the compound semiconductor layer. The gate is disposed on the compound semiconductor layer.
    Type: Grant
    Filed: August 19, 2020
    Date of Patent: January 3, 2023
    Assignee: VANGUARD INTERNATIONAL SEMICONDUCTOR CORPORATION
    Inventor: Chih-Yen Chen
  • Patent number: 11398546
    Abstract: A semiconductor device is provided. The semiconductor device includes a channel layer disposed over a substrate, a barrier layer disposed over the channel layer, a compound semiconductor layer disposed over the barrier layer, a gate electrode disposed over the compound semiconductor layer, and a source electrode and a drain electrode disposed on opposite sides of the gate electrode. The source electrode and the drain electrode penetrate through at least a portion of the barrier layer. The semiconductor device also includes a source field plate connected to the source electrode through a source contact. The semiconductor device further includes a first electric field redistribution pattern disposed on the barrier layer and directly under the edge of the source field plate.
    Type: Grant
    Filed: August 6, 2019
    Date of Patent: July 26, 2022
    Assignee: Vanguard International Semiconductor Corporation
    Inventors: Chun-Yi Wu, Chih-Yen Chen, Chang-Xiang Hung, Chia-Ching Huang
  • Patent number: 11387356
    Abstract: A semiconductor structure includes a seed layer on a substrate and an epitaxial stack on the seed layer. The epitaxial stack includes a first superlattice part and a second superlattice part on the first superlattice part. The first superlattice part includes first units repetitively stacked M1 times on the seed layer. Each first unit includes a first sub-layer that is an Aly1Ga1-y1N layer, and a second sub-layer that is an Alx1Ga1-x1N layer, wherein y1<x1. The second superlattice part includes second units repetitively stacked M2 times on the first superlattice part. Each second unit includes a third sub-layer that is an Aly2Ga1-y2N layer, and a fourth sub-layer that is an Alx2Ga1-x2N layer, wherein y2<x2. M1 and M2 are positive integers, 0?x1, y1 and y2<1, 0<x2?1, and x1<x2, or x1=x2 and y1<y2.
    Type: Grant
    Filed: July 31, 2020
    Date of Patent: July 12, 2022
    Assignee: Vanguard International Semiconductor Corporation
    Inventors: Chih-Yen Chen, Franky Juanda Lumbantoruan
  • Patent number: 11335797
    Abstract: A semiconductor device is provided. The semiconductor device includes a channel layer disposed on a substrate, a barrier layer disposed on the channel layer, and a nitride layer disposed on the barrier layer. The semiconductor device also includes a compound semiconductor layer that includes an upper portion and a lower portion, wherein the lower portion penetrates through the nitride layer and a portion of the barrier layer. The semiconductor device also includes a spacer layer conformally disposed on a portion of the barrier layer and extending onto the nitride layer. The semiconductor device further includes a gate electrode disposed on the compound semiconductor layer, and a pair of source/drain electrodes disposed on opposite sides of the gate electrode. The pair of source/drain electrodes extends through the spacer layer, the nitride layer, and at least a portion of the barrier layer.
    Type: Grant
    Filed: April 17, 2019
    Date of Patent: May 17, 2022
    Assignee: Vanguard International Semiconductor Corporation
    Inventors: Chih-Yen Chen, Chang-Xiang Hung
  • Patent number: 11316040
    Abstract: A high electron mobility transistor includes a channel layer, a barrier layer, a first compound semiconductor layer, and a second compound semiconductor layer. The channel layer is disposed on the substrate, and the barrier layer is disposed on the channel layer. The first compound semiconductor layer is disposed on the barrier layer. The second compound semiconductor layer is disposed between the barrier layer and the first compound semiconductor layer, where the first compound semiconductor layer and the second compound semiconductor layer include a concentration distribution of metal dopant, and the concentration distribution of metal dopant includes a first peak in the first compound semiconductor layer and a second peak in the second compound semiconductor layer.
    Type: Grant
    Filed: September 14, 2020
    Date of Patent: April 26, 2022
    Assignee: Vanguard International Semiconductor Corporation
    Inventors: Franky Juanda Lumbantoruan, Chia-Ching Huang, Chih-Yen Chen