Patents by Inventor Yu-Cheng Chen
Yu-Cheng 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).
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Patent number: 12372728Abstract: An optical fiber connector includes a connecting unit, an adapter unit, and an attenuation unit. The adapter unit includes an insertion seat connected removably to a main housing of the connecting unit, and two guide frame bodies located respectively at two opposite sides of the insertion seat in a transverse direction. The insertion seat has two insertion holes spaced apart in the transverse direction and extending in a front-rear direction. Each guide frame body extends in the front-rear direction away from the connecting unit. The attenuation unit includes two attenuation components, two rear ferrules, and two front ferrules. The attenuation components are arranged in the transverse direction and disposed within the main housing. The rear ferrules respectively extend rearwardly from rear ends of the attenuation components into the insertion holes. The front ferrules respectively extend forwardly from front ends of the attenuation components through and outwardly of the main housing.Type: GrantFiled: January 19, 2023Date of Patent: July 29, 2025Assignees: GLORIOLE ELECTROPTIC TECHNOLOGY CORP., SHEN ZHEN WONDERWIN TECHNOLOGY CO., LTD.Inventors: Hsien-Hsin Hsu, Yu Cheng Chen, Ke Xue Ning, Shu Bin Li
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Publication number: 20250208358Abstract: An optical fiber accessory includes a front housing, a rear housing sleeve, and a loopback module. The front housing defines two insertion slots extending in a front-rear direction and spaced apart from each other in a first direction perpendicular to the front-rear direction, and two core slots being respectively in spatial communication with the insertion slots. The rear housing sleeve is sleeved on a rear end of the front housing and defines a receiving space in spatial communication with the core slots. The loopback module is disposed in the rear housing sleeve, and includes two ferrules fixed onto the rear housing sleeve, and an optical fiber loop having two ends respectively connected to the ferrules and disposed in the receiving space. The ferrules project toward the front housing in the front-rear direction and extend respectively into the core slots.Type: ApplicationFiled: April 18, 2024Publication date: June 26, 2025Inventors: Hsien-Hsin HSU, Yu-Cheng CHEN, Jim LIN
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Patent number: 12341608Abstract: A method for link transition in a USB device includes transmitting a plurality of first RS-FEC blocks by a first transmitter, receiving an UNBOND set by a receiver, waking up a second transmitter by a LASM when the receiver receives the UNBOND set, transmitting a training sequence by the second transmitter, transmitting a specific pattern sequence by the second transmitter after finishing transmitting the training sequence, determining whether a current RS-FEC block to be transmitted by the first transmitter is a DESKEW block, stopping transmitting the specific pattern sequence if the current RS-FEC block is determined to be the DESKEW block, and transmitting a plurality of second RS-FEC blocks by the first transmitter and the second transmitter.Type: GrantFiled: November 3, 2023Date of Patent: June 24, 2025Assignee: MEDIATEK INC.Inventors: Yu-Cheng Chen, Chih-Chieh Wang
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Patent number: 12335036Abstract: A method for link transitions in a Universal Serial Bus system includes transmitting a plurality of first RS-FEC blocks by a first transmitter of the USB system, transmitting a training sequence by a second transmitter of the USB system, determining number of sets in a first RS-FEC block which have been transmitted by the first transmitter when the second transmitter completes transmitting the training sequence, generating a specific pattern sequence according to the number of sets in the first RS-FEC block which have been transmitted by the first transmitter and a total number of sets in the first RS-FEC block, and transmitting the specific pattern sequence by the second transmitter.Type: GrantFiled: November 3, 2023Date of Patent: June 17, 2025Assignee: MEDIATEK INC.Inventors: Yu-Cheng Chen, Chih-Chieh Wang
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Publication number: 20250172272Abstract: A reflector is applied to an illumination device and includes a reflection layer and a homogenization layer. The reflection layer is used to reflect an illumination beam passing into the reflector. The homogenization layer is disposed on the reflection layer. The homogenization layer includes packaging material and a plurality of homogenization particles. The plurality of homogenization particles is distributed inside the packaging material, and can be made of at least one of transparent material and opaque material. An illumination range of the illumination beam is enlarged by optical refraction and optical reflection provided by the plurality of homogenization particles of the homogenization layer.Type: ApplicationFiled: November 14, 2024Publication date: May 29, 2025Applicant: QISDA CORPORATIONInventors: Ching-Tze Huang, Yu-Cheng Chen, Wei-Chi Su, Ping-Chung Chou
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Publication number: 20250159995Abstract: An electronic device may include a display having an array of display pixels on a substrate. The display pixels may be organic light-emitting diode display pixels or display pixels in a liquid crystal display. In an organic light-emitting diode display, hybrid thin-film transistor structures may be formed that include semiconducting oxide thin-film transistors, silicon thin-film transistors, and capacitor structures. The capacitor structures may overlap the semiconducting oxide thin-film transistors. Organic light-emitting diode display pixels may have combinations of oxide and silicon transistors. In a liquid crystal display, display driver circuitry may include silicon thin-film transistor circuitry and display pixels may be based on oxide thin-film transistors. A single layer or two different layers of gate metal may be used in forming silicon transistor gates and oxide transistor gates. A silicon transistor may have a gate that overlaps a floating gate structure.Type: ApplicationFiled: January 15, 2025Publication date: May 15, 2025Inventors: Hiroshi Osawa, Kyung-Wook Kim, Ming-Chin Hung, Shih Chang Chang, Yu-Cheng Chen
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Publication number: 20250150202Abstract: A method for link transition in a USB device includes transmitting a plurality of first RS-FEC blocks by a first transmitter, receiving an UNBOND set by a receiver, waking up a second transmitter by a LASM when the receiver receives the UNBOND set, transmitting a training sequence by the second transmitter, transmitting a specific pattern sequence by the second transmitter after finishing transmitting the training sequence, determining whether a current RS-FEC block to be transmitted by the first transmitter is a DESKEW block, stopping transmitting the specific pattern sequence if the current RS-FEC block is determined to be the DESKEW block, and transmitting a plurality of second RS-FEC blocks by the first transmitter and the second transmitter.Type: ApplicationFiled: November 3, 2023Publication date: May 8, 2025Applicant: MEDIATEK INC.Inventors: Yu-Cheng Chen, Chih-Chieh Wang
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Publication number: 20250150201Abstract: A method for link transitions in a Universal Serial Bus system includes transmitting a plurality of first RS-FEC blocks by a first transmitter of the USB system, transmitting a training sequence by a second transmitter of the USB system, determining number of sets in a first RS-FEC block which have been transmitted by the first transmitter when the second transmitter completes transmitting the training sequence, generating a specific pattern sequence according to the number of sets in the first RS-FEC block which have been transmitted by the first transmitter and a total number of sets in the first RS-FEC block, and transmitting the specific pattern sequence by the second transmitter.Type: ApplicationFiled: November 3, 2023Publication date: May 8, 2025Applicant: MEDIATEK INC.Inventors: Yu-Cheng Chen, Chih-Chieh Wang
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Publication number: 20250130966Abstract: A method of synchronization in a training state of Universal Serial Bus (USB) includes sending SLOS1 ordered sets by a transmitter in a LOCK1 state, receiving the SLOS1 ordered sets by a receiver in the LOCK1 state, stopping the transmitter from sending training ordered sets according to a lane adapter state machine (LASM) if the transmitter sends the training ordered sets in the LOCK1 state continuously in an infinite loop. The training ordered sets include the SLOS1 ordered sets. The method further includes sending new SLOS1 ordered sets by the transmitter, receiving the new SLOS1 ordered sets by a receiver, and the transmitter and the receiver entering a LOCK2 state. The length of the new SLOS1 ordered sets is different from the length of the SLOS1 ordered sets.Type: ApplicationFiled: October 18, 2023Publication date: April 24, 2025Applicant: MEDIATEK INC.Inventors: Chih-Chieh Wang, Tse-Wei Wang, Yu-Cheng Chen
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Publication number: 20250085485Abstract: An optical fiber connector includes a fastener member threadedly connected to a main housing. A resilient member is received in the main housing and the fastener member, and abuts against the fastener member. A rotatable tube seat is sleeved by the resilient member, and is positioned by the main housing and the resilient member. A turning member is sleeved on the rotatable tube seat, and is sleeved by the fastener member. The rotatable tube seat is co-rotatable with the turning member. When the fastener member is loosened from the main housing, the turning member is rotatable relative to the fastener member to drive rotation of the rotatable tube seat relative to the main housing.Type: ApplicationFiled: December 15, 2023Publication date: March 13, 2025Inventors: Hsien-Hsin HSU, Yu-Cheng CHEN, Yen-Chang LEE
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Publication number: 20250060656Abstract: An illumination system, configured to generate an illumination light beam, is provided. The illumination system includes an excitation light source configured to emit an excitation light beam and a light guide module, a collimation lens group, and a wavelength conversion element disposed on a transmission path of the excitation light beam. After being emitted from the excitation light source, the excitation light beam is reflected by the light guide module, passes through the collimation lens group, and is transmitted to the wavelength conversion element. A part of the excitation light beam is reflected by the wavelength conversion element, and passes through the collimation lens group and the light guide module. Another part of the excitation light beam is converted into a conversion light beam by the wavelength conversion element. The conversion light beam passes through the collimation lens group and the light guide module. A projection device is also provided.Type: ApplicationFiled: July 16, 2024Publication date: February 20, 2025Applicant: Qisda CorporationInventors: Ching-Tze Huang, Yu Cheng Chen
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Patent number: 12207512Abstract: A display may have an array of pixels. Display driver circuitry may supply data and control signals to the pixels. Each pixel may have seven transistors, a capacitor, and a light-emitting diode such as an organic light-emitting diode. The seven transistors may receive control signals using horizontal control lines. Each pixel may have first and second emission enable transistors that are coupled in series with a drive transistor and the light-emitting diode of that pixel. The first and second emission enable transistors may be coupled to a common control line or may be separately controlled so that on-bias stress can be effectively applied to the drive transistor. The display driver circuitry may have gate driver circuits that provide different gate line signals to different rows of pixels within the display. Different rows may also have different gate driver strengths and different supplemental gate line loading structures.Type: GrantFiled: November 17, 2023Date of Patent: January 21, 2025Assignee: Apple Inc.Inventors: Cheng-Ho Yu, Chin-Wei Lin, Shyuan Yang, Ting-Kuo Chang, Tsung-Ting Tsai, Warren S. Rieutort-Louis, Shih-Chang Chang, Yu Cheng Chen, John Z. Zhong
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Patent number: 12157267Abstract: A large area deposition type additive manufacturing equipment is disclosed. The large area deposition type additive manufacturing equipment includes a light source module, a dynamic photomask module, a raw material tank and a deposition module. The light source module includes a plurality of light emitting members, a light diffusion member, a light enhancement member and a light emitting angle limiter. Light emitted from the light emitting members passes through the light diffusion member, the light enhancement member and the light emitting angle limiter to become a collimated curing light. The collimated curing light travels through a transparent member of the raw material tank and a dynamic photomask module to reach liquid photocurable material in the raw material tank, thereby curing the liquid photocurable material. The angle of emitted light ranges within ±30° with respect to a normal line of an incident plane of the light source module.Type: GrantFiled: May 29, 2022Date of Patent: December 3, 2024Assignee: National Taiwan University of Science and TechnologyInventors: Jeng-Ywan Jeng, Ding-Zheng Lin, Ping-Hung Yu, Yu-Cheng Chen
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Publication number: 20240274565Abstract: A method for forming a die package structure, including disposing a plurality of dies on a carrier substrate, wherein the top surface of each die has a plurality of signal junctions. The method also includes forming a vertical wire on each of the signal junctions, forming a supporting dielectric layer on the carrier substrate, wherein the supporting dielectric layer covers the dies and exposes the top of the vertical wires, and forming a plurality of redistribution traces on the supporting dielectric layer, wherein the redistribution traces are electrically connected to each of the vertical wires. The method further includes forming a bump at the bonding site of each of the redistribution traces, and performing a cutting process to singulate the dies.Type: ApplicationFiled: February 13, 2023Publication date: August 15, 2024Applicant: Winbond Electronics Corp.Inventors: Yu-Cheng CHEN, Jin-Neng WU
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Publication number: 20240221847Abstract: A non-volatile memory and an operating method thereof are provided. The non-volatile memory includes a memory array and a controller. Each main memory cell string, a first judgment memory cell string, and a second judgment memory cell string of the memory array respectively includes a plurality of main memory cells, a plurality of first judgment memory cells and a plurality of second judgment memory cells. During a programming operation, the controller determines, according to a data level of each main memory cell, a data level of the corresponding first judgment memory cell, determines, according to data levels of each first judgment memory cell and its preceding first judgment memory cell, a data level of the 10 corresponding second judgment memory cell, and accordingly determines whether to perform a pre-programming operation during an erasing operation.Type: ApplicationFiled: November 23, 2023Publication date: July 4, 2024Applicant: Winbond Electronics Corp.Inventors: Yu-Cheng Chen, Chieh-Yen Wang
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Patent number: 12000782Abstract: A laser whose emission is modulated by ultrasound is presented. The laser is usually micron-sized. In response to ultrasound modulation, the laser emission increases and decreases. Such a change in emission can be detected by external optical detectors. This type of laser can be used as a new type of imaging modality, in which laser emission in combination with sound waves or ultrasound waves, is used for imaging Laser emission has a much narrower spectral linewidth and stronger intensity than fluorescence and therefore is able to achieve higher sensitivity, whereas sound waves are used to provide a better spatial resolution of the laser emission from the laser. In ultrasound modulated laser based imaging, multiple lasers can be placed inside cells or tissues.Type: GrantFiled: January 9, 2020Date of Patent: June 4, 2024Assignee: THE REGENTS OF THE UNIVERSITY OF MICHIGANInventors: Xudong Fan, Xueding Wang, Xuzhou Li, Yu Qin, Xiaotian Tan, Yu-Cheng Chen, Qiushu Chen
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Publication number: 20240150906Abstract: An electrolytic cell includes a cation exchange membrane, a cathode compartment, and an anode compartment. The cathode compartment includes a gas diffusion electrode and a flow channel element, in which the flow channel element is between the cation exchange membrane and the gas diffusion electrode, and has a plurality of flow channels arranged in parallel with each other. The anode compartment includes an anode mesh, in which the cation exchange membrane is between the anode mesh and the flow channel element. A distance between the anode mesh and the gas diffusion electrode is substantially equal to the sum of a first thickness of the cation exchange membrane and a second thickness of the flow channel element. The novel electrolytic cell can combine with a chloralkali electrolytic cell to deal with gaseous CO2 and produce products, e.g., synthesis gas, for other purposes.Type: ApplicationFiled: May 9, 2023Publication date: May 9, 2024Inventors: Hao-Ming CHEN, Tai-Lung CHEN, Wan-Tun HUNG, Yu-Cheng CHEN, Kuo-Ming HUANG, Fu-Da YEN, Che-Jui LIAO
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Publication number: 20240126023Abstract: An optical fiber connector includes a connecting unit, an adapter unit, and an attenuation unit. The adapter unit includes an insertion seat connected removably to a main housing of the connecting unit, and two guide frame bodies located respectively at two opposite sides of the insertion seat in a transverse direction. The insertion seat has two insertion holes spaced apart in the transverse direction and extending in a front-rear direction. Each guide frame body extends in the front-rear direction away from the connecting unit. The attenuation unit includes two attenuation components, two rear ferrules, and two front ferrules. The attenuation components are arranged in the transverse direction and disposed within the main housing. The rear ferrules respectively extend rearwardly from rear ends of the attenuation components into the insertion holes. The front ferrules respectively extend forwardly from front ends of the attenuation components through and outwardly of the main housing.Type: ApplicationFiled: January 19, 2023Publication date: April 18, 2024Inventors: Hsien-Hsin HSU, Yu Cheng CHEN, Ke Xue NING, Shu Bin LI
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Publication number: 20240099086Abstract: A display may have an array of pixels. Display driver circuitry may supply data and control signals to the pixels. Each pixel may have seven transistors, a capacitor, and a light-emitting diode such as an organic light-emitting diode. The seven transistors may receive control signals using horizontal control lines. Each pixel may have first and second emission enable transistors that are coupled in series with a drive transistor and the light-emitting diode of that pixel. The first and second emission enable transistors may be coupled to a common control line or may be separately controlled so that on-bias stress can be effectively applied to the drive transistor. The display driver circuitry may have gate driver circuits that provide different gate line signals to different rows of pixels within the display. Different rows may also have different gate driver strengths and different supplemental gate line loading structures.Type: ApplicationFiled: November 17, 2023Publication date: March 21, 2024Inventors: Cheng-Ho Yu, Chin-Wei Lin, Shyuan Yang, Ting-Kuo Chang, Tsung-Ting Tsai, Warren S. Rieutort-Louis, Shih-Chang Chang, Yu Cheng Chen, John Z. Zhong
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Publication number: 20240078445Abstract: The application relates to a method for developing the agitation system of a scale-up polymerization vessel. A simulated prediction model is obtained by use of a small polymerization vessel and by integrating Taguchi experimental design method with artificial intelligence (AI) neural network. Accordingly, vessel parameters for the agitation system of a scale-up polymerization vessel can be rapidly and accurately predicted based on simulation qualities thereof, further facilitating a construction of the agitation system of a scale-up polymerization vessel.Type: ApplicationFiled: July 6, 2023Publication date: March 7, 2024Inventors: Fuh-Yih SHIH, Shih-Ming YEH, Yu-Cheng CHEN, Jun-Teng CHEN