Patents by Inventor Wen Cheng

Wen Cheng 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).

  • Semiconductor device and method
    Patent number: 11195717
    Abstract: A four-layer photoresist and method of forming the same are disclosed. In an embodiment, a method includes forming a semiconductor fin; depositing a target layer on the semiconductor fin; depositing a BARC layer on the target layer; depositing a first mask layer over the BARC layer, the first mask layer being deposited using a plasma process with an RF power of less than 50 W; depositing a second mask layer over the first mask layer using a plasma process with an RF power of less than 500 W; depositing a photoresist layer over the second mask layer; patterning the photoresist layer, the second mask layer, the first mask layer, and the BARC layer to form a first mask; and selectively removing the target layer from a first portion of the semiconductor fin using the first mask, the target layer remaining on a second portion of the semiconductor fin.
    Type: Grant
    Filed: August 3, 2020
    Date of Patent: December 7, 2021
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Dong-Sheng Li, Chia-Hui Lin, Kai Hung Cheng, Yao-Hsu Sun, Wen-Cheng Wu, Bo-Cyuan Lu, Sung-En Lin, Tai-Chun Huang
  • METHOD AND ELECTRONIC DEVICE FOR PROCESSING IMAGES THAT CAN BE PLAYED ON A VIRTUAL DEVICE
    Publication number: 20210374908
    Abstract: A method for processing an image that can be played on a virtual device, including obtaining a super-resolution deep learning network model, which is trained to learn to reconstruct an image from low resolution to high resolution; wherein the super-resolution deep learning network model includes a plurality of feature filters to extract features of the image; modifying the resolution of the feature filters from a preset value to an established value, wherein the established value is higher than the preset value; inputting a low-resolution image into the super-resolution deep learning network model; and increasing the resolution of the low-resolution image to become a high-resolution image through the super-resolution deep learning network model.
    Type: Application
    Filed: March 9, 2021
    Publication date: December 2, 2021
    Inventors: Shih-Hao LIN, Chao-Kuang YANG, Wen-Cheng HSU, Liang-Chi CHEN
  • AROMATIC LIQUID CRYSTAL POLYESTER, LIQUID CRYSTAL POLYESTER COMPOSITION AND METHOD FOR MANUFACTURING LIQUID CRYSTAL POLYESTER FILM
    Publication number: 20210371751
    Abstract: An aromatic liquid crystal polyester, having repeating units represented by formulae (1) and (2), respectively: where R?, Ar1, Ar2, Ar3, X, Y1, Y2 and Z are those as defined in the specification. Also, a liquid crystal polyester composition including the aromatic liquid crystal polyester and a solvent. The composition has an improved viscosity stability. Also, a liquid crystal polyester film prepared from the liquid crystal polyester composition and a method for manufacturing the same. The liquid crystal polyester film according to the present disclosure has excellent properties such as a low hygroscopicity and a low dissipation factor (Df).
    Type: Application
    Filed: May 28, 2021
    Publication date: December 2, 2021
    Applicant: ETERNAL MATERIALS CO., LTD.
    Inventors: JIA-CHENG CHANG, WEI-TING YEH, WEN-CHENG LIU
  • Sensor device and manufacturing method thereof
    Patent number: 11186481
    Abstract: A sensor device includes a microelectromechanical system (MEMS) force sensor, and a capacitive acceleration sensor. In the method of manufacturing the sensor device, a sensor portion of the MEMS force sensor is prepared over a front surface of a first substrate. The sensor portion includes a piezo-resistive element and a front electrode. A bottom electrode and a first electrode are formed on a back surface of the first substrate. A second substrate having an electrode pad and a second electrode to the bottom of the first substrate are attached such that the bottom electrode is connected to the electrode pad and the first electrode faces the second electrode with a space therebetween.
    Type: Grant
    Filed: November 2, 2018
    Date of Patent: November 30, 2021
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Chen Hsiung Yang, Chun-Wen Cheng, Jiou-Kang Lee
  • ELECTRONIC DEVICE
    Publication number: 20210366414
    Abstract: An electronic device including a backlight module is disclosed. The backlight module includes: a substrate; a plurality of light emitting diodes disposed on the substrate, wherein the plurality of light emitting diodes are blue light emitting diodes; a protection layer disposed on the substrate and covering the plurality of light emitting diodes; and a color conversion element, disposed on the plurality of light emitting diodes.
    Type: Application
    Filed: April 23, 2021
    Publication date: November 25, 2021
    Inventors: Ya-Wen CHENG, Yu-Chen HUANG, Shun-Cheng CHEN, Jiunn-Shyong LIN, I-An YAO
  • CONTROL METHOD AND TIME AWARE BRIDGE DEVICE FOR SEAMLESS PRECISION TIME PROTOCOL
    Publication number: 20210367696
    Abstract: A control method and a time aware bridge device for a seamless Precision Time Protocol (PTP) are provided. The control method includes: utilizing the time aware bridge device to pre-configure a first control signal source as a master control signal source, and pre-configure a second control signal source as a backup control signal source; utilizing the time aware bridge device to determine whether one or more packets from the master control signal source conform to at least one predetermined rule to generate a determination result; and selectively configuring the second control signal source as the master control signal source according to the determination result.
    Type: Application
    Filed: May 5, 2021
    Publication date: November 25, 2021
    Inventors: Yung-Kun Lin, Chung-Keng Hung, Yan-Liang Wu, Kai-Wen Cheng
  • ADAPTER CARDS FOR DISCRETE GRAPHICS CARD SLOTS
    Publication number: 20210365398
    Abstract: In one example, an adapter card may include a circuit board having a male interface to be inserted into a discrete graphics card slot and a peripheral component interconnect express (PCIe) slot to communicatively couple a PCIe device. Further, the adapter card may include a voltage converter circuit disposed on the circuit board to convert a first voltage associated with the discrete graphics card slot to a second voltage corresponding to the PCIe device and a level shifter circuit disposed on the circuit board to modify a signal level in the discrete graphics card slot to a signal level in the PCIe device.
    Type: Application
    Filed: October 23, 2018
    Publication date: November 25, 2021
    Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
    Inventors: Po-Ying Chih, Chao-Wen Cheng, Chun-Yi Liu
  • Outgassing material coated cavity for a micro-electro mechanical system device and methods for forming the same
    Patent number: 11180363
    Abstract: A MEMS support structure and a cap structure are provided. At least one vertically-extending trench is formed into the MEMS support structure or a portion of the cap structure. A vertically-extending outgassing material portion having a surface that is physically exposed to a respective vertically-extending cavity is formed in each of the at least one vertically-extending trench. A matrix material layer is attached to the MEMS support structure. A movable element laterally confined within a matrix layer is formed by patterning the matrix material layer. The matrix layer is bonded to the cap structure. A sealed chamber containing the movable element is formed. Each vertically-extending outgassing material portion has a surface that is physically exposed to the sealed chamber, and outgases a gas to increase the pressure in the sealed chamber.
    Type: Grant
    Filed: February 7, 2020
    Date of Patent: November 23, 2021
    Assignee: Taiwan Semiconductor Manufacturing Company Limited
    Inventors: Kuei-Sung Chang, Tai-Bang An, Chun-wen Cheng, Hung-Hua Lin
  • Integrated microphone device and manufacturing method thereof
    Patent number: 11184694
    Abstract: An integrated microphone device is provided. The integrated microphone device includes a substrate, a plate, and a membrane. The substrate includes an aperture allowing acoustic pressure to pass through. The plate is disposed on a side of the substrate. The membrane is disposed between the substrate and the plate and movable relative to the plate as acoustic pressure strikes the membrane. The membrane includes a vent valve having an open area that is variable in response to a change in acoustic pressure.
    Type: Grant
    Filed: March 10, 2020
    Date of Patent: November 23, 2021
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD
    Inventors: Chun-Wen Cheng, Chia-Hua Chu, Chun-Yin Tsai, Tzu-Heng Wu, Wen-Cheng Kuo
  • ADDITIONAL POWER SUPPLIES
    Publication number: 20210357013
    Abstract: Examples described herein relate to a non-transitory machine-readable medium consistent with the disclosure. For instance, the non-transitory machine-readable medium may store instruction executable by a processing resource to transfer additional power through a power delivery cable, input the additional power to a component of a computing device, and sequence the additional power with a main power supply of the computing device.
    Type: Application
    Filed: October 10, 2018
    Publication date: November 18, 2021
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: Chao-Wen Cheng, Tsung Yen Chen, Mo-Hsuan Lin, Roger A. Pearson, Po-Ying Chih, Chien Fa Huang
  • MEMS device with dummy-area utilization for pressure enhancement
    Patent number: 11174158
    Abstract: In some embodiments, a sensor is provided. The sensor includes a microelectromechanical systems (MEMS) substrate disposed over an integrated chip (IC), where the IC defines a lower portion of a first cavity and a lower portion of a second cavity, and where the first cavity has a first operating pressure different than an operating pressure of the second cavity. A cap substrate is disposed over the MEMS substrate, where a first pair of sidewalls of the cap substrate partially define an upper portion of the first cavity, and a second pair of sidewalls of the cap substrate partially define an upper portion of the second cavity. A sensor area comprising a movable portion of the MEMS substrate and a dummy area comprising a fixed portion of the MEMS substrate are both disposed in the first cavity. A pressure enhancement structure is disposed in the dummy area.
    Type: Grant
    Filed: July 30, 2019
    Date of Patent: November 16, 2021
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chun-Wen Cheng, Fei-Lung Lai, Kuei-Sung Chang, Shang-Ying Tsai
  • METHOD OF OPERATING AN HDR PIXEL CIRCUIT ACHIEVING HIGH PRECISION
    Publication number: 20210352231
    Abstract: A method of operating an HDR pixel circuit includes: establishing a calibration full-well capacity of a photodiode according to a first predetermined voltage level; over-charging both the photodiode and a floating diffusion node; dissipating the charges of the floating diffusion node and the charges on the photodiode so that the charges on the photodiode are substantially equal to the calibration full-well capacity; transferring the charges on the photodiode to the floating diffusion node; and sensing a voltage on the floating diffusion node to generate a calibration signal related to the calibration full-well capacity.
    Type: Application
    Filed: May 5, 2020
    Publication date: November 11, 2021
    Inventors: Ren-Chieh Liu, Wen-Cheng Yen, Hsin-Hung Shen
  • METHOD FOR REMOVING WATER FROM COMPOUND SOLUTION AND PERFORMING CONJUGATE ACID CONVERSION
    Publication number: 20210347844
    Abstract: The present invention relates to a method for removing water from a compound solution and performing conjugate acid conversion. The method uses a nanometer film to perform reverse osmosis for the compound solution to remove water, and provides a conjugate acid to replace the acidic substances in the compound solution in order to obtain compound conjugate acid salts. The method of the present invention can effectively reduce the water content of the compound solution and replace the conjugate acid of the compound to form the desired compound conjugate acid salt.
    Type: Application
    Filed: February 24, 2021
    Publication date: November 11, 2021
    Inventors: Yao-Lung HSU, Kuang-Chan HSIEH, Hui-Wen CHENG, Zong-Han YANG
  • Isolated coupling structure
    Patent number: 11170926
    Abstract: An isolation coupling structure for transmitting a feedback signal between a secondary side and a primary side of a voltage conversion device includes a first dielectric layer including a first face and a second face opposite to the first face, a first coupling coil disposed on the first face enclosing to form an inner region; a second coupling coil configured to couple with the first coupling coil. The second coupling coil includes a first coil portion and a second coil portion, where the first coil portion is disposed on the second face, the second coil portion is disposed on the first face and located inside the inner region. The second coil portion is isolated from the first coupling coil, and the first coil portion and the second coil portion are electrically connected. The technical effect is that it can realize the electrical isolation and the coupling with low cost and small package size.
    Type: Grant
    Filed: February 2, 2018
    Date of Patent: November 9, 2021
    Assignee: ALPHA AND OMEGA SEMICONDUCTOR (CAYMAN) LTD.
    Inventors: Jung-Pei Cheng, Hsiang-Chung Chang, Yu-Ming Chen, Chieh-Wen Cheng, Tsung-Han Ou, Lih-Ming Doong
  • Non-ferromagnetic spacing composite layer, its method, synthetic antiferromagnetic laminated structure, and magnetoresistive random access memory
    Patent number: 11171285
    Abstract: Provided is a non-ferromagnetic spacing composite layer, comprising first, second and third spacing layers stacked in sequence. The first and third spacing layers are each made of Re, Rh, Ir, W, Mo, Ta, or Nb, and the second spacing layer is made of Ru. The second spacing layer has a thickness of equal to or more than 0.18 nm, and the non-ferromagnetic spacing composite layer has a total thickness of 0.6 nm to 1 nm. Also, provided are a method of preparing the non-ferromagnetic spacing composite layer, a synthetic antiferromagnetic laminated structure, and an MRAM. The synthetic antiferromagnetic laminated structure can maintain a certain coupling strength and the RKKY indirect interaction after thermal treatment, thereby keeping the recording function of MRAM.
    Type: Grant
    Filed: December 4, 2020
    Date of Patent: November 9, 2021
    Assignee: SOLAR APPLIED MATERIALS TECHNOLOGY CORP.
    Inventors: Chih-Huang Lai, Chun-Liang Yang, Yi-Huan Chung, Wei-Chih Huang, Chih-Wen Tang, Hui-Wen Cheng
  • Electronic apparatus and method for recognizing view angle of displayed screen thereof
    Patent number: 11169603
    Abstract: An electronic apparatus and a method for recognizing view angle of displayed screen thereof. The method is adapted to the electronic apparatus and includes the following steps. A first person view screen displayed by a display is captured. A specific object in the first person view screen is removed to generate a preprocessed image. The preprocessed image is inputted into a neural network model to recognize a view angle of the first person view screen. A function is performed according to the view angle of the first person view screen.
    Type: Grant
    Filed: November 12, 2019
    Date of Patent: November 9, 2021
    Assignee: Acer Incorporated
    Inventors: Chih-Wen Huang, Chao-Kuang Yang, Wen-Cheng Hsu
  • Backlight device
    Patent number: 11169415
    Abstract: The invention is related to a back-light device. The back-light device comprises a reflection structure and a back-light plate. A plurality of light-emitting elements, disposed on the back-light plate, face a light-entering side of the reflection structure, and the emitted light of the light-emitting elements enters the light-entering side of the reflection structure and is reflected to a light-emitting side of the reflection structure by the reflection of the reflection structure for forming a back-light source emitted to a display panel.
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: November 9, 2021
    Assignee: Sitronix Technology Corp.
    Inventors: Chuan-Pin Hsiung, Shun Wen Cheng
  • TEMPERATURE-CONTROLLED TRAMP METAL SEPARATION ASSEMBLY
    Publication number: 20210339268
    Abstract: A temperature-controlled tramp metal separation assembly includes a core rod and a magnetic set. The core rod is made of non-magnetic materials and includes a chamber, a first end with an air inlet, and a second end with an air outlet. The magnetic set includes a plurality of magnetic members and a plurality of spacers respectively disposed between the two adjacent magnetic members. The magnetic set is nested in the chamber in a way that an air path is formed therein so that an external cooling air flow can be introduced from the air inlet, and then discharged from the air outlet via the air path. Thus, the operating temperature of the tramp metal separating process can be maintained at an acceptable level, preventing the magnetic force of the magnet set from being reduced.
    Type: Application
    Filed: February 24, 2021
    Publication date: November 4, 2021
    Applicant: TAI HAN EQUIPMENT ENTERPRISE CO., LTD.
    Inventors: Shyh-Yi WEY, Wen-Cheng CHANG, Ken-Der LIN, Bao-Ding LI, Kuen Ting HSIEH
  • Controlling radio frequency (RF) power output of portable devices
    Patent number: 11166241
    Abstract: Techniques for controlling RF output of portable devices are described. In an example, an indication of a mode of a portable device is received. The mode is based on an inclination of the portable device. The inclination is measured in reference to a screen of the portable device and a horizontal surface. Based on the mode, an RF power level defined for the mode is determined. The RF power output of the portable device is controlled based on the RF power level.
    Type: Grant
    Filed: June 19, 2017
    Date of Patent: November 2, 2021
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Kun-Jung Wu, Simon Wong, Hung-Wen Cheng
  • Method and apparatus for detecting word boundary between codewords in data stream transmitted via data channel of high definition multimedia interface
    Patent number: 11165539
    Abstract: A word boundary detection method includes receiving a data stream from a data channel of a high definition multimedia interface (HDMI), and performing pattern matching upon the data stream to identify a word boundary between two consecutive codewords transmitted via the data stream. Known codewords of scrambled control vectors are involved in the pattern matching.
    Type: Grant
    Filed: April 15, 2020
    Date of Patent: November 2, 2021
    Assignee: MEDIATEK INC.
    Inventors: You-Tsai Jeng, Szu-Hsiang Lai, Tai-Lai Tung, Keng-Lon Lei, Kai-Wen Cheng