Patents by Inventor Yung-Chang Chang

Yung-Chang Chang 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: 20200017969
    Abstract: In an embodiment, an apparatus includes: a susceptor including substrate pockets; a gas injector disposed over the susceptor, the gas injector having first process regions, the gas injector including a first gas mixing hub and first distribution valves connecting the first gas mixing hub to the first process regions; and a controller connected to the gas injector and the susceptor, the controller being configured to: connect a first precursor material and a carrier gas to the first gas mixing hub; mix the first precursor material and the carrier gas in the first gas mixing hub to produce a first precursor gas; rotate the susceptor to rotate a first substrate disposed in one of the substrate pockets; and while rotating the susceptor, control the first distribution valves to sequentially introduce the first precursor gas at each of the first process regions as the first substrate enters each first process region.
    Type: Application
    Filed: May 20, 2019
    Publication date: January 16, 2020
    Inventors: Yung-Chang Chang, Meng-Yin Tsai, Tung-Hsiung Liu, Liang-Yu Yeh, Chun-Yi Lee, Kuo-Hsi Huang
  • Patent number: 10522387
    Abstract: An embodiment is an apparatus. The apparatus includes: a collective wafer platter including a plurality of individual wafer pockets, the individual wafer pockets having respective individual wafer platters, the individual wafer platters configured to rotate around respective first axes, the collective wafer platter configured to rotate around a second axis; a motor coupled to the collective wafer platter; and a control unit configured to control the motor such that the individual wafer platters rotate around the respective first axes, and the collective wafer platter rotates around the second axis.
    Type: Grant
    Filed: September 1, 2017
    Date of Patent: December 31, 2019
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventor: Yung-Chang Chang
  • Patent number: 10522532
    Abstract: A process for manufacturing an integrated circuit (IC) with a through via extending through a group III-V layer to a diode is provided. An etch is performed through the group III-V layer, into a semiconductor substrate underlying the group III-V layer, to form a via opening. A doped region is formed in the semiconductor substrate, through the via opening. Further, the doped region is formed with an opposite doping type as a surrounding region of the semiconductor substrate. The through via is formed in the via opening and in electrical communication with the doped region.
    Type: Grant
    Filed: July 22, 2016
    Date of Patent: December 31, 2019
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Chung-Yen Chou, Chia-Shiung Tsai, Shih-Chang Liu, Yung-Chang Chang
  • Patent number: 10509169
    Abstract: A semiconductor structure is disclosed. The semiconductor structure includes: a substrate and a gate element over the substrate. The gate element includes: a gate dielectric layer over the substrate; a gate electrode over the gate dielectric layer; and a waveguide passing through the gate electrode from a top surface of the gate electrode to a bottom surface of the gate electrode. A manufacturing method of the same is also disclosed.
    Type: Grant
    Filed: January 19, 2018
    Date of Patent: December 17, 2019
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Yung-Chang Chang, Chung-Yen Chou, Ming-Chyi Liu, Shih-Chang Liu
  • Patent number: 10461654
    Abstract: A system and method of operating an a power supply unit with a light load efficiency control system comprising a power regulator circuit for receiving an alternating current (AC) input voltage from within a range of accommodated AC input voltages and including a power factor correction (PFC) circuit and an LLC resonator circuit having a bulk capacitance voltage level and operable to receive the input AC voltage in the power supply unit and where the power supply unit generates a direct current (DC) output voltage for use by a load.
    Type: Grant
    Filed: May 4, 2017
    Date of Patent: October 29, 2019
    Assignee: Dell Products, LP
    Inventors: Chi-Che Wu, Wei-Cheng Yu, Yung Chang Chang, Ya-Tang Hsieh
  • Patent number: 10418002
    Abstract: Aspects of the disclosure provide a method for merging compressed access units according to compression rates and/or positions of the respective compressed access units. The method can include receiving a sequence of compressed access units corresponding to a sequence of raw access units partitioned from an image or a video frame and corresponding to a sequence of memory spaces in a frame buffer, determining a merged access unit including at least two consecutive compressed access units based on compression rates and/or positions of the sequence of compressed access units. The merged access unit is to be stored in the frame buffer with a reduced gap between the at least two consecutive compressed access units compared with storing the at least two consecutive compressed access units in corresponding memory spaces in the sequence of memory spaces.
    Type: Grant
    Filed: October 17, 2017
    Date of Patent: September 17, 2019
    Assignee: MEDIATEK INC.
    Inventors: Ping Chao, Ting-An Lin, Tung-Hsing Wu, Kung-Tsun Yang, Wan-Yu Chen, Chuang-Chi Chiou, Ping-yao Wang, Wei-Gen Wu, Hsin-Hao Chung, Chih-Ming Wang, Han-Liang Chou, Chung Hsien Lee, Yung-Chang Chang, Chi-Cheng Ju
  • Publication number: 20190281312
    Abstract: A palette decoding apparatus includes a palette color storage device which stores palette colors, a color index storage device which stores color indices of pixels, and a palette value processing circuit which generates a palette value for each pixel by reading data from the color index storage device and the palette color storage device. A frame is divided into first coding units, and each first coding unit is sub-divided into one or more second coding units. Before a palette value of a last pixel in a first coding unit is generated by the palette value processing circuit, a palette value of a non-last pixel in the first coding unit is generated by the palette value processing circuit and used by a reconstruction circuit of the video decoder.
    Type: Application
    Filed: March 6, 2019
    Publication date: September 12, 2019
    Inventors: Chi-Min Chen, Min-Hao Chiu, Chia-Yun Cheng, Yung-Chang Chang
  • Patent number: 10412390
    Abstract: A video encoder has a processing circuit and a universal binary entropy (UBE) syntax encoder. The processing circuit processes pixel data of a video frame to generate encoding-related data, wherein the encoding-related data comprise at least quantized transform coefficients. The UBE syntax encoder processes a plurality of syntax elements to generate UBE syntax data. The encoding-related data are represented by the syntax elements. The processing circuit operates according to a video coding standard. The video coding standard supports arithmetic encoding. The UBE syntax data contain no arithmetic-encoded syntax data.
    Type: Grant
    Filed: July 4, 2017
    Date of Patent: September 10, 2019
    Assignee: MEDIATEK INC.
    Inventors: Ming-Long Wu, Tung-Hsing Wu, Li-Heng Chen, Ting-An Lin, Yi-Hsin Huang, Chung-Hua Tsai, Chia-Yun Cheng, Han-Liang Chou, Yung-Chang Chang
  • Patent number: 10375395
    Abstract: A video processing apparatus includes an external storage device, a hardware entropy engine, and a software execution engine. The hardware entropy engine performs entropy processing of a current picture, and further outputs count information to the external storage device during the entropy processing of the current picture. When loaded and executed by the software execution engine, a software program instructs the software execution engine to convert the count information into count table contents, and generate a count table in the external storage device according to at least the count table contents. The count table is referenced to apply a backward adaptation to a probability table that is selectively used by the hardware entropy engine to perform entropy processing of a next picture.
    Type: Grant
    Filed: February 23, 2017
    Date of Patent: August 6, 2019
    Assignee: MEDIATEK INC.
    Inventors: Sheng-Jen Wang, Yung-Chang Chang, Chia-Yun Cheng
  • Patent number: 10366467
    Abstract: A method for storing data of an image frame into a frame buffer includes at least the following steps: dividing the image frame into a plurality of access units, each having at least one encoding unit, wherein each encoding unit is a unit for data compression; and performing the data compression upon each encoding unit of the image frame, and generating an output bitstream to the frame buffer based on a data compression result of the encoding unit. A processing result of each access unit includes each output bitstream of the at least one encoding unit included in the access unit; a plurality of processing results of the access units are stored in a plurality of storage spaces allocated in the frame buffer, respectively; and a size of each of the storage spaces is equal to a size of a corresponding access unit.
    Type: Grant
    Filed: August 16, 2017
    Date of Patent: July 30, 2019
    Assignee: MEDIATEK INC.
    Inventors: Tsu-Ming Liu, Ping Chao, Yung-Chang Chang
  • Patent number: 10306246
    Abstract: A method and apparatus for loop filter processing of reconstructed video data for a video coding system are disclosed. The system receives reconstructed video data for an image unit. The loop filter processing is applied to reconstructed pixels above a deblocking boundary of the current CTU. In order to reduce line buffer requirement and/or to reduce loop filter switching for image units, the sample adaptive offset (SAO) parameter boundary and spatial-loop-filter restricted boundary for the luma and chroma components are determined by global consideration. In one embodiment, the SAO parameter boundary and the spatial-loop-filter restricted boundary are aligned for the luma and chroma components respectively. In another embodiment, the SAO parameter boundary and the spatial-loop-filter restricted boundary for the luma and chroma components are all aligned.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: May 28, 2019
    Assignee: MEDIATEK INC.
    Inventors: Ping Chao, Huei-Min Lin, Chih-Ming Wang, Yung-Chang Chang
  • Patent number: 10298951
    Abstract: A method and apparatus for video encoding or decoding used by an AVS2 (Second Generation of Audio Video Coding Standard) video encoder or decoder respectively are disclosed. According to this method, first motion vectors associated with spatial neighboring blocks of a current block are determined. For each spatial neighboring block, a value of 1 is assigned to a first BlockDistance associated with the spatial neighboring block if a corresponding first reference picture is a G picture or GB picture. Motion vector predictor candidates are derived from the first motion vectors by scaling each first motion vector according to a corresponding first BlockDistance and a current BlockDistance. A final motion vector predictor is determined among the motion vector predictor candidates.
    Type: Grant
    Filed: December 6, 2017
    Date of Patent: May 21, 2019
    Assignee: MEDIATEK INC.
    Inventors: Min-Hao Chiu, Chia-yun Cheng, Yung-Chang Chang
  • Publication number: 20190129098
    Abstract: A semiconductor structure is disclosed. The semiconductor structure includes: a substrate and a gate element over the substrate. The gate element includes: a gate dielectric layer over the substrate; a gate electrode over the gate dielectric layer; and a waveguide passing through the gate electrode from a top surface of the gate electrode to a bottom surface of the gate electrode. A manufacturing method of the same is also disclosed.
    Type: Application
    Filed: January 19, 2018
    Publication date: May 2, 2019
    Inventors: YUNG-CHANG CHANG, CHUNG-YEN CHOU, MING-CHYI LIU, SHIH-CHANG LIU
  • Publication number: 20190123833
    Abstract: A decoding apparatus is used for decoding region of interest (ROI) regions in an image, and includes a storage device, a pre-processing circuit, a decoding circuit, and an information fetching circuit. The pre-processing circuit performs a syntax pre-parsing operation upon a bitstream to obtain necessary information of the ROI regions, and stores the necessary information into the storage device. The decoding circuit performs a decoding operation upon the bitstream to decode the ROI regions, wherein the decoding operation includes syntax parsing of the bitstream. The information fetching circuit reads and analyzes the necessary information, and delivers at least a portion of the necessary information to the decoding circuit. A processing time of obtaining necessary information of one ROI region at the pre-processing circuit overlaps a processing time of decoding another ROI region at the decoding circuit.
    Type: Application
    Filed: October 18, 2018
    Publication date: April 25, 2019
    Inventors: Min-Hao Chiu, Chia-Yun Cheng, Yung-Chang Chang
  • Patent number: 10268547
    Abstract: A memory protection device is used for protecting a memory. The memory protection device includes a filtering unit and an encoding unit. The filtering unit searches an input data and outputs an encoding selection signal based on a bit component pattern of the input data. The encoding unit selects one or more encoding implementations among a plurality of encoding implementations based on the encoding selection signal from the filtering unit, to encode the input data.
    Type: Grant
    Filed: November 25, 2015
    Date of Patent: April 23, 2019
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Li-Ren Huang, Chih-Jen Yang, Yung-Chang Chang, Kung-Ming Ji
  • Patent number: 10257524
    Abstract: A residual up-sampling apparatus has a residual up-sampling buffer and a shared residual up-sampling circuit. The residual up-sampling buffer stores an intermediate residual up-sampling result. The shared residual up-sampling circuit employs a same processing kernel to perform a first-direction residual up-sampling operation and a second-direction residual up-sampling operation. The first-direction residual up-sampling operation processes an inverse transform output of an inverse transform circuit to generate the intermediate residual up-sampling result to the residual up-sampling buffer. The second-direction residual up-sampling operation performs transpose access upon the residual up-sampling buffer to retrieve the intermediate residual up-sampling result, and processes the intermediate residual up-sampling result to generate a final residual up-sampling result.
    Type: Grant
    Filed: June 29, 2016
    Date of Patent: April 9, 2019
    Assignee: MEDIATEK INC.
    Inventors: Min-Hao Chiu, Yung-Chang Chang
  • Patent number: 10250912
    Abstract: An apparatus is capable of achieving high-throughput entropy decoding, and includes an arithmetic decoding processing circuitry and a variable-length decoder (VLD). The arithmetic decoding processing circuitry receives a video bitstream through a bitstream input, applies arithmetic decoding to at least a portion of the video bitstream to derive one or more arithmetic-decoded binary strings containing no arithmetic encoded binary string, and stores the arithmetic-decoded binary strings in the storage device. The variable-length decoder is coupled to the arithmetic decoding processing circuitry, the storage device and a VLD output. The variable-length decoder receives at least a portion of arithmetic-decoded bitstream when arithmetic-decoded bitstreams stored in the storage device are complete for a selected image unit, decodes at least a portion of arithmetic-decoded bitstream into one or more decoded syntax elements, and provides the decoded syntax elements through the VLD output.
    Type: Grant
    Filed: February 4, 2016
    Date of Patent: April 2, 2019
    Assignee: MEDIATEK INC.
    Inventors: Chia-Yun Cheng, Yung-Chang Chang
  • Patent number: 10244248
    Abstract: A residual processing circuit has a single-path pipeline and a single-path controller. The single-path pipeline has an inverse scan (IS) circuit, an inverse quantization (IQ) circuit and an inverse transform (IT) circuit arranged to process a current non-zero residual data block in a pipeline manner. The current non-zero residual data block is at least a portion of a transform unit. The single-path controller controls pipelined processing of the current non-zero residual data block at the single-path pipeline. The single-path controller instructs the IS circuit to start IS processing of a next non-zero residual data block before the IT circuit finishes a first half of IT processing of the current non-zero residual data block.
    Type: Grant
    Filed: February 22, 2017
    Date of Patent: March 26, 2019
    Assignee: MEDIATEK INC.
    Inventors: Min-Hao Chiu, Chia-Yun Cheng, Yung-Chang Chang
  • Patent number: 10237554
    Abstract: A method and apparatus for video encoding to generate a partitioned bitstream without buffering transform coefficient and/or prediction data for subsequent coding units are disclosed. An encoder incorporating an embodiment according to the present invention receives first video parameters associated with a current coding unit, wherein no first video parameters associated with subsequent coding units are buffered. The encoder then encodes the first video parameters to generate a current first compressed data corresponding to the current coding unit. A first memory address in the first logic unit is determined and the encoder provides the current first compressed data at the first memory address in the first logic unit.
    Type: Grant
    Filed: September 23, 2016
    Date of Patent: March 19, 2019
    Assignee: MEDIATEK INC.
    Inventors: Yung-Chang Chang, Chi-Cheng Ju, Yi-Hau Chen, De-Yuan Shen
  • Patent number: D860252
    Type: Grant
    Filed: June 14, 2018
    Date of Patent: September 17, 2019
    Assignee: RADIANT INNOVATION INC.
    Inventors: Yung-Chang Chang, Feng-Lien Huang