Patents by Inventor Yen-An CHEN

Yen-An 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: 11487091
    Abstract: A photographing lens assembly includes seven lens elements, which are, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element and a seventh lens element. The first lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof. The second lens element with negative refractive power has an image-side surface being concave in a paraxial region thereof. The seventh lens element has an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof. The image-side surface of the seventh lens element includes at least one convex shape in an off-axis region thereof. The object-side surface and the image-side surface of the seventh lens element are aspheric.
    Type: Grant
    Filed: October 7, 2020
    Date of Patent: November 1, 2022
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Chun-Che Hsueh, Chun-Yen Chen, Wei-Yu Chen
  • Patent number: 11488683
    Abstract: Disclosed is a device for detecting the margin of a circuit operating at an operating speed. The device includes: a signal generating circuit generating an input signal including predetermined data; a first adjustable delay circuit delaying the input signal by a first delay amount and thereby generating a delayed input signal; a circuit under test performing a predetermined operation based on a predetermined operation timing and thereby generating a to-be-tested signal according to the delayed input signal; a second adjustable delay circuit delaying the to-be-tested signal by a second delay amount and thereby generating a delayed to-be-tested signal; a comparison circuit comparing the data included in the delayed to-be-tested signal with the predetermined data based on the predetermined operation timing and thereby generating a comparison result; and a calibration circuit determining whether the circuit under test passes a speed test according to the comparison result.
    Type: Grant
    Filed: July 6, 2021
    Date of Patent: November 1, 2022
    Assignee: REALTEK SEMICONDUCTOR CORPORATION
    Inventors: Chun-Yi Kuo, Ying-Yen Chen
  • Publication number: 20220345240
    Abstract: In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be a UE. The UE receives, from a first base station, a data transmission on a first cell using a first RAT. The UE determines a CRS transmission using a second RAT on a second cell from a second base station. The UE determines that the CRS transmission on the second cell interferes with receiving the data transmission on the first cell at the UE. The UE applies an interference cancellation on the first cell to mitigate an interference from the CRS transmission on the second cell to the data transmission on the first cell.
    Type: Application
    Filed: March 22, 2022
    Publication date: October 27, 2022
    Inventors: Yen-Chen Chen, Xiu-Sheng LI
  • Publication number: 20220336431
    Abstract: In an embodiment, a structure includes: a processor device including logic devices; a first memory device directly face-to-face bonded to the processor device by metal-to-metal bonds and by dielectric-to-dielectric bonds; a first dielectric layer laterally surrounding the first memory device; a redistribution structure over the first dielectric layer and the first memory device, the redistribution structure including metallization patterns; and first conductive vias extending through the first dielectric layer, the first conductive vias connecting the metallization patterns of the redistribution structure to the processor device.
    Type: Application
    Filed: June 30, 2022
    Publication date: October 20, 2022
    Inventors: Chen-Hua Yu, Wei Ling Chang, Chuei-Tang Wang, Chieh-Yen Chen
  • Patent number: 11476367
    Abstract: A semiconductor device includes an oxide semiconductor layer, disposed over a substrate. A source electrode of a metal nitride is disposed on the oxide semiconductor layer. A drain electrode of the metal nitride is disposed on the oxide semiconductor layer. A metal-nitride oxidation layer is formed on a surface of the source electrode and the drain electrode. A ratio of a thickness of the metal-nitride oxidation layer to a thickness of the drain electrode or the source electrode is equal to or less than 0.2.
    Type: Grant
    Filed: August 23, 2021
    Date of Patent: October 18, 2022
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Yen-Chen Chen, Xiao Wu, Hai Tao Liu, Ming Hua Du, Shouguo Zhang, Yao-Hung Liu, Chin-Fu Lin, Chun-Yuan Wu
  • Patent number: 11472961
    Abstract: A method of removing metal ions is provided, which includes contacting a metal removal composition with a solution containing metal ions for removing the metal ions from the solution, wherein the metal removal composition includes a polymer with a chemical structure of: wherein Q is a quinoline-based group, n=90˜450, o=10˜50, and p=0˜20. The metal removal composition has a type of fiber or film. In addition, the metal removal composition has a porosity of 60% to 90%.
    Type: Grant
    Filed: April 6, 2020
    Date of Patent: October 18, 2022
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Min-Fei Tsai, Feng-Jen Tsai, Ping-Yen Chen, Yen-Cheng Li, Li-Han Chung
  • Patent number: 11474366
    Abstract: A light projector including a light source, a beam multiplication film, and a tunable wave plate is provided. The light source is configured to emit a light beam. The beam multiplication film is disposed on a transmission path of the light beam and made of anisotropic refractive index material, wherein a plurality of separated light beams are produced after the light beam from the light source passes through the beam multiplication film. The tunable wave plate is disposed on transmission paths of the separated light beams from the beam multiplication film and configured to modulate the separated light beams.
    Type: Grant
    Filed: May 6, 2020
    Date of Patent: October 18, 2022
    Assignee: LIQXTAL TECHNOLOGY INC.
    Inventors: Hung-Shan Chen, Yen-Chen Chen
  • Publication number: 20220328631
    Abstract: In an embodiment, a device includes: a gate structure on a channel region of a substrate; a gate mask on the gate structure, the gate mask including a first dielectric material and an impurity, a concentration of the impurity in the gate mask decreasing in a direction extending from an upper region of the gate mask to a lower region of the gate mask; a gate spacer on sidewalls of the gate mask and the gate structure, the gate spacer including the first dielectric material and the impurity, a concentration of the impurity in the gate spacer decreasing in a direction extending from an upper region of the gate spacer to a lower region of the gate spacer; and a source/drain region adjoining the gate spacer and the channel region.
    Type: Application
    Filed: June 10, 2021
    Publication date: October 13, 2022
    Inventors: Wei-Ting Chien, Wen-Yen Chen, Li-Ting Wang, Su-Hao Liu, Liang-Yin Chen, Huicheng Chang
  • Patent number: 11469203
    Abstract: A method for forming a package structure includes forming an under bump metallization (UBM) layer over a metal pad and forming a photoresist layer over the UBM layer. The method further includes patterning the photoresist layer to form an opening in the photoresist layer. The method also includes forming a first bump structure over the first portion of the UBM layer. The first bump structure includes a first barrier layer over a first pillar layer. The method includes placing a second bump structure over the first bump structure. The second bump structure includes a second barrier layer over a second pillar layer. The method further includes reflowing the first bump structure and the second bump structure to form a solder joint between a first inter intermetallic compound (IMC) and a second IMC.
    Type: Grant
    Filed: October 16, 2020
    Date of Patent: October 11, 2022
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Cheng-Hung Chen, Yu-Nu Hsu, Chun-Chen Liu, Heng-Chi Huang, Chien-Chen Li, Shih-Yen Chen, Cheng-Nan Hsieh, Kuo-Chio Liu, Chen-Shien Chen, Chin-Yu Ku, Te-Hsun Pang, Yuan-Feng Wu, Sen-Chi Chiang
  • Publication number: 20220308319
    Abstract: An optical photographing assembly includes, in order from an object side to an image side along an optical axis, a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element. The first lens element has positive refractive power. The third lens element has at least one of an object-side surface and an image-side surface being aspheric. The fourth lens element has at least one of an object-side surface and an image-side surface being aspheric. The fifth lens element has at least one of an object-side surface and an image-side surface being aspheric, wherein at least one of the object-side surface and the image-side surface of the fifth lens element includes at least one inflection point.
    Type: Application
    Filed: June 8, 2022
    Publication date: September 29, 2022
    Inventor: Chun-Yen CHEN
  • Publication number: 20220302833
    Abstract: A boost converter includes an inductor and a diode electrically connected in series between an input voltage and an output voltage; a transistor electrically coupled to an interconnected node of the inductor and the diode; and a controller that controls switching of the transistor according to a transient mode and an estimated load current. The output voltage in a light-to-heavy load transient mode has at least one first valley point with a value of a transient voltage threshold, followed by at least one second valley point with a value higher than the first valley point, before exiting the light-to-heavy load transient mode.
    Type: Application
    Filed: March 17, 2021
    Publication date: September 22, 2022
    Inventors: Chun-Yen Chen, Chien-Hung Tsai, Chia-Hsuan Huang, Teng-Kuei Wu
  • Patent number: 11449927
    Abstract: Device and method for implementing a vehicle sharing reward program. The present invention provides for a cost-sharing plan where two or more constituencies share the rental cost associated with a user who rents a shared vehicle in a vehicle sharing program. This results in a reimbursement of the rental cost to the user. When enrolling in the vehicle sharing reward program, the user is given a health prescription to adhere to on any trip taken while using a shared vehicle. On a selected travel route, the user visits a vehicle sharing station, where the sharing station includes a kiosk that the user uses to check-in and upload relevant information such as distance traveled and locations visited. By complying with the health prescription issued to the user, the user can have its total rental cost reimbursed.
    Type: Grant
    Filed: September 5, 2019
    Date of Patent: September 20, 2022
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Chun-Yen Chen, Jian-Ren Chen, Su-Chen Huang, June-Ray Lin
  • Patent number: 11451222
    Abstract: A reliability detection device includes a control circuit, oscillator circuits, and an output circuit. The control circuit is configured to generate enable signals according to a mode signal. The oscillator circuits output oscillating signals, in which each of the oscillator circuits is configured to generate a corresponding oscillating signal in the oscillating signals according to a switching signal when the mode signal has a first logic value, and generate the corresponding oscillating signal according to a corresponding enable signal in the enable signals when the mode signal has a second logic value, and the switching signal is associated with a functional circuit. The output circuit is configured to output a detection signal according to the oscillating signals when the mode signal has the second logic value, in which the detection signal is to indicate a reliability of the functional circuit.
    Type: Grant
    Filed: December 6, 2021
    Date of Patent: September 20, 2022
    Assignee: REALTEK SEMICONDUCTOR CORPORATION
    Inventors: Wen-Hsuan Hsu, Chun-Yi Kuo, Ying-Yen Chen
  • Publication number: 20220293460
    Abstract: Semiconductor devices and methods of forming semiconductor devices are provided. A method includes forming a first mask layer over a target layer, forming a plurality of spacers over the first mask layer, and forming a second mask layer over the plurality of spacers and patterning the second mask layer to form a first opening, where in a plan view a major axis of the opening extends in a direction that is perpendicular to a major axis of a spacer of the plurality of spacers. The method also includes depositing a sacrificial material in the opening, patterning the sacrificial material, etching the first mask layer using the plurality of spacers and the patterned sacrificial material, etching the target layer using the etched first mask layer to form second openings in the target layer, and filling the second openings in the target layer with a conductive material.
    Type: Application
    Filed: May 27, 2022
    Publication date: September 15, 2022
    Inventors: Tai-Yen Peng, Wen-Yen Chen, Chih-Hao Chen
  • Publication number: 20220283920
    Abstract: A configuration generating method for devices is applied to connecting ports and external devices connected to the connecting ports. The method includes the following steps: determining communication protocol types of the connecting ports respectively; generating a sequence list according to a plurality of device data, wherein each of the device data is corresponding to a communication protocol, the device data with ccTalk protocol are categorized in a first priority group, the device data with MDB protocol are categorized in a third sequence group, the device data other than those of the first priority group and the third priority group are categorized in a second priority group; and, testing the external devices sequentially and generating communication results according to the sequence list and the device data corresponding to the communication protocol types, and then generating a connecting ports configuration data of connecting ports according to the communication results.
    Type: Application
    Filed: August 2, 2021
    Publication date: September 8, 2022
    Inventors: CHIN-TE TSAI, CHUN-HONG LIU, QUANG HUY BUI, SHIH-HSUN LIN, YU-YEN CHEN
  • Publication number: 20220276522
    Abstract: A display apparatus is provided, including at least one viewing angle limiting device, a display panel, and a light polarization converter disposed between the at least one viewing angle limiting device and the display panel. The light polarization converter includes first regions and second regions alternately arranged. Light beams passing through the first regions and the second regions respectively have a first light polarization direction and a second light polarization direction. The light polarization converter is overlapped with the at least one viewing angle limiting device and the display panel. The viewing angle limiting device includes light-absorbing molecules. The light-absorbing molecules have a first absorption coefficient in a thickness direction of the viewing angle limiting device and a second absorption coefficient in a direction perpendicular to the thickness direction. A ratio of the first absorption coefficient to the second absorption coefficient is greater than 1.
    Type: Application
    Filed: September 14, 2021
    Publication date: September 1, 2022
    Applicant: Coretronic Corporation
    Inventors: Ping-Yen Chen, Wen-Chun Wang, Chung-Yang Fang, Jen-Wei Yu
  • Publication number: 20220269115
    Abstract: A viewing angle switch module includes a viewing angle limiter, a first electronically controlled viewing angle switch, a second electronically controlled viewing angle switch, a first polarizer, and a second polarizer. The viewing angle limiter has an absorption axis, and an axial direction of the absorption axis is parallel to a thickness direction of the viewing angle limiter. The viewing angle limiter, the first electronically controlled viewing angle switch, the first polarizer, the second electronically controlled viewing angle switch, and the second polarizer are overlapped. An axial direction of a first absorption axis of the first polarizer is parallel to an axial direction of a second absorption axis of the second polarizer. A display apparatus adopting the viewing angle switch module is also provided. The viewing angle switch module and the display apparatus provided by the invention have better light energy utilization rate.
    Type: Application
    Filed: November 23, 2021
    Publication date: August 25, 2022
    Applicant: Coretronic Corporation
    Inventors: Yu-Fan Chen, Ping-Yen Chen, Chung-Yang Fang
  • Publication number: 20220270990
    Abstract: An integrated fan-out (InFO) package includes a die, an encapsulant, a redistribution structure, a slot antenna, an insulating layer, a plurality of conductive structures, and an antenna confinement structure. The encapsulant laterally encapsulates the die. The redistribution structure is disposed on the die and the encapsulant. The slot antenna is disposed above the redistribution structure. The insulating layer is sandwiched between the redistribution structure and the slot antenna. The conductive structures and the antenna confinement structure extend from the slot antenna to the redistribution structure.
    Type: Application
    Filed: May 10, 2022
    Publication date: August 25, 2022
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chuei-Tang Wang, Tzu-Chun Tang, Chieh-Yen Chen, Che-Wei Hsu
  • Patent number: 11422340
    Abstract: An electronic device includes a lens system including four lens elements. the four lens elements are, in order from an outer side to an inner side, a first lens element, a second lens element, a third lens element and a fourth lens element. The second lens element has negative refractive power. The fourth lens element has positive refractive power. At least one surface of the four lens elements has at least one inflection point. A projection device and a detecting module of the electronic device including the lens system are also disclosed.
    Type: Grant
    Filed: December 17, 2020
    Date of Patent: August 23, 2022
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Chun-Yen Chen, Shu-Yun Yang
  • Publication number: 20220262778
    Abstract: A method includes bonding a capacitor die to a device die. The device die includes a first semiconductor substrate, active devices at a surface of the first semiconductor substrate, a plurality of low-k dielectric layers, a first dielectric layer over and contacting a top low-k dielectric layer in the plurality of low-k dielectric layers, and a first plurality of bond pads in the first dielectric layer. The capacitor die includes a second dielectric layer bonding to the first dielectric layer, a second plurality of bond pads in the second dielectric layer and bonding to the first plurality of bond pads, and a capacitor electrically coupled to the second plurality of bond pads. After the capacitor die is bonded to the device die, an aluminum-containing pad is formed over the capacitor die and electrically coupled to the device die. A polymer layer is formed over the aluminum-containing pad.
    Type: Application
    Filed: April 16, 2021
    Publication date: August 18, 2022
    Inventors: Chen-Hua Yu, Chung-Hao Tsai, Chuei-Tang Wang, Chieh-Yen Chen