Patents by Inventor Yen-Chung Chen
Yen-Chung 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: 11979971Abstract: An extreme ultra violet (EUV) radiation source apparatus includes a collector mirror, a target droplet generator for generating a tin (Sn) droplet, a rotatable debris collection device, one or more coils for generating an inductively coupled plasma (ICP), a gas inlet for providing a source gas for the ICP, and a chamber enclosing at least the collector mirror and the rotatable debris collection device. The gas inlet and the one or more coils are configured such that the ICP is spaced apart from the collector mirror.Type: GrantFiled: April 10, 2019Date of Patent: May 7, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Yen-Shuo Su, Chun-Lin Chang, Han-Lung Chang, Li-Jui Chen, Po-Chung Cheng
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Publication number: 20240113646Abstract: A method of obtaining a parameter of a synchronous motor is disclosed and includes: setting an operating current of the motor; providing a positive fixed voltage to the motor and monitoring a feedback current from the motor; recording a triggering time for the feedback current to reach the operating current; providing a negative fixed voltage to the motor for the triggering time; obtaining a square-wave voltage with a fixed frequency based on the positive fixed voltage and the negative fixed voltage being provided; providing the square-wave voltage with the fixed frequency to one axis of the motor; transforming three-phase current from the motor into an axial current; computing an inductance value of this axis based on the fixed frequency, the square-wave voltage and the axial current; and, creating an inductance-current parameter table based on a plurality of the inductance values and the axial currents correspondingly.Type: ApplicationFiled: January 18, 2023Publication date: April 4, 2024Inventors: Yen-Yang CHEN, Jen-Chih TSENG, Lei-Chung HSING
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Publication number: 20240105098Abstract: A display device including a display panel is disclosed. The display panel includes a substrate, multiple scan lines, multiple data lines, multiple pixel structures, a first gate driving circuit, and a second gate driving circuit. The pixel structures are electrically connected to the scan lines and the data lines. Multiple first output stage circuits of the first gate driving circuit disposed in a peripheral area are electrically connected to the scan lines. Multiple second output stage circuits of the second gate driving circuit disposed in the peripheral area are electrically connected to the scan lines. A channel width of a first output transistor of the first output stage circuit is greater than a channel width of a second output transistor of the second output stage circuit.Type: ApplicationFiled: August 28, 2023Publication date: March 28, 2024Applicant: HannStar Display CorporationInventors: Jing-Xuan Chen, Yen-Chung Chen, Mu-Kai Kang, Qi-En Luo, Cheng-Yen Yeh
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Publication number: 20240096712Abstract: Provided is a semiconductor device includes a gate electrode, a gate dielectric layer, a channel layer, an insulating layer, a first source/drain electrode and a second source/drain electrode, a second dielectric layer, and a stop segment. The gate electrode is located within a first dielectric layer that overlies a substrate. The gate dielectric layer is located over the gate electrode. The channel layer is located on the gate dielectric layer. The insulating layer is located over the channel layer. The first source/drain electrode and the second source/drain electrode are located in the insulating layer, and connected to the channel layer. The second dielectric layer is beside one of the first source/drain electrode and the second source/drain electrode. The stop segment is embedded in the second dielectric layer.Type: ApplicationFiled: January 10, 2023Publication date: March 21, 2024Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Yu-Wei Jiang, Chieh-Fang Chen, Yen-Chung Ho, Pin-Cheng Hsu, Feng-Cheng Yang, Chung-Te Lin
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Patent number: 11935462Abstract: The present application relates to an electronic device comprising: a display unit, a display driver circuit and a circuit element. The display driver circuit is coupled to the display unit. The circuit element is placed under a display area of the display unit. The circuit element receives a dynamic refresh signal generated by the display driver circuit. The dynamic refresh signal contains a refresh rate information of the display unit. Thereby, the problem that the interference between the display pixels and the circuit element under the display unit cannot be avoided when the refresh rate changes is solved.Type: GrantFiled: December 19, 2022Date of Patent: March 19, 2024Assignee: Sensortek Technology Corp.Inventors: Yen-Chung Lin, Rong-Fong Chen
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Patent number: 11894385Abstract: An electronic device includes a flexible substrate and a driving component. In the flexible substrate, a first side region, a second side region and a first cutting structure are disposed in a peripheral region, wherein a display region and the first side region are separated by a first edge of the display region, the display region and the second side region are separated by a second edge of the display region, the first edge and the second edge are respectively parallel to a first direction and a second direction perpendicular to the first direction, the first cutting structure has a first endpoint and two edges separated by the first endpoint and respectively belonging to the first side region and the second side region. The driving component overlaps the flexible substrate in a top view direction perpendicular to the first direction and the second direction.Type: GrantFiled: July 29, 2022Date of Patent: February 6, 2024Assignees: HannStar Display (Nanjing) Corporation, HANNSTAR DISPLAY CORPORATIONInventor: Yen-Chung Chen
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Publication number: 20230411407Abstract: A display panel including a substrate, scan lines, data lines, and pixel structures is provided. The pixel structures are electrically connected to the data lines and the scan lines. Each pixel structure includes an active device, a pixel electrode, a capacitor electrode, a common electrode, an overcoat layer, a first passivation layer and a second passivation layer. The active device is electrically connected to the pixel electrode. The capacitor electrode is electrically connected to the pixel electrode. The common electrode is located between the capacitor electrode and the pixel electrode. The common electrode, the capacitor electrode and the pixel electrode overlap with each other. The overcoat layer is disposed between the common electrode and the first passivation layer. The second passivation layer is disposed between the common electrode and the pixel electrode.Type: ApplicationFiled: May 9, 2023Publication date: December 21, 2023Applicant: HannStar Display CorporationInventors: Cheng-Yen Yeh, Yen-Chung Chen, Mu-Kai Kang, Jing-Xuan Chen, Qi-En Luo
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Publication number: 20230384938Abstract: A NAND flash memory controller can adjust its processing power according to a host speed and thereby save energy. The controller includes: a host speed estimation module estimating the host speed according to a first total data amount of the host's M first I/O command(s) received by the controller within a first period of time, the host speed correlating with the host's demand for access; a controller speed estimation module estimating a controller speed according to a second total data amount of the host's N second I/O command(s) completed by the controller within a second period of time, the controller speed correlating with the processing power of the controller; a speed decision module generating a decision result according to the relation between the host speed and the controller speed; and a speed adjustment module adjusting or maintaining the processing power of the controller according to the decision result.Type: ApplicationFiled: February 21, 2023Publication date: November 30, 2023Inventor: YEN-CHUNG CHEN
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Publication number: 20230386582Abstract: A solid-state drive (SSD) controller is operable to determine whether M supply voltage(s) supplied to a NAND flash memory is correct. The SSD controller includes: a voltage detector configured to receive the M supply voltage(s) and thereby generate a detection result, wherein the M is a positive integer; a voltage inquiry module configured to output an inquiry signal to the NAND flash memory and thereby receive a response signal from the NAND flash memory, and configured to generate an inquiry result according to the response signal, wherein the inquiry result indicates M specified supply voltage(s) applicable to the NAND flash memory; and a voltage decision module configured to receive the detection result and the inquiry result, and configured to determine whether the M supply voltage(s) is/are equivalent to the M specified voltage(s) according to the detection result and the inquiry result and thereby generate a decision result.Type: ApplicationFiled: February 1, 2023Publication date: November 30, 2023Inventor: Yen-Chung CHEN
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Publication number: 20230375890Abstract: A display panel includes a substrate, pixels, gate lines, a gate connecting line, a common line and a compensation electrode. The pixels are disposed on the substrate. The gate lines are disposed on the substrate and are configured to receive scan signals. The number of pixels coupled to a first gate line of the gate lines is less that the number of pixels coupled to a second gate line of the gate lines. The gate connecting line is electrically connected to the first gate line. The common line is disposed under the gate connecting line, and is configured to receive a common voltage signal. The compensation electrode is disposed over the gate connecting line, and is configured to receive the common voltage signal. The common line, the gate connecting line and the compensation electrode are overlapped.Type: ApplicationFiled: April 7, 2023Publication date: November 23, 2023Inventors: Mu-Kai KANG, Cheng-Yen YEH, Sz-Kai HUANG, Jing-Xuan CHEN, Yen-Chung CHEN
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Patent number: 11815771Abstract: A display panel includes a first substrate and multiple pixel structures. The pixel structure includes at least one active element, at least one pixel electrode, a first common electrode, and a second common electrode. The at least one pixel electrode includes a first sub-electrode, a second sub-electrode, and a third sub-electrode. The first sub-electrode is electrically connected to one of the at least one corresponding active element and the second sub-electrode. The third sub-electrode is electrically connected to the second sub-electrode. The first sub-electrode, the second sub-electrode, and the third sub-electrode are different layers. The first common electrode is disposed between the first sub-electrode and the first substrate, and overlaps the first sub-electrode. The second common electrode is disposed between the first sub-electrode and the third sub-electrode, and overlaps the first sub-electrode and the third sub-electrode.Type: GrantFiled: October 13, 2022Date of Patent: November 14, 2023Assignee: HannStar Display CorporationInventors: Mu-Kai Kang, Cheng-Yen Yeh, Sz-Kai Huang, Jing-Xuan Chen, Yen-Chung Chen
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Publication number: 20230333419Abstract: A viewing angle switching module includes a first viewing angle controlling device, a second viewing angle controlling device, a first polarizer, and a second polarizer. The first viewing angle controlling device includes a first alignment layer, a second alignment layer, and a first liquid crystal layer. The second viewing angle controlling device includes a third alignment layer, a fourth alignment layer, and a second liquid crystal layer. The first polarizer is disposed on a side of the first viewing angle controlling device, and an axial direction of a first absorption axis thereof is perpendicular or parallel to a first alignment direction of the first alignment layer. The second polarizer is disposed on a side of the second viewing angle controlling device, and an axial direction of a second absorption axis thereof is perpendicular or parallel to a third alignment direction of the third alignment layer. A display apparatus including the same is also disclosed.Type: ApplicationFiled: December 15, 2022Publication date: October 19, 2023Applicant: HannStar Display CorporationInventors: Chun Yen Lai, Wei-Chih Hsu, Yen-Chung Chen
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Publication number: 20230305740Abstract: A method of storage space management for a storage device comprising a controller and a memory, comprising: calculating, by the controller, an expectedly used capacity and an effective capacity of the memory, wherein the effective capacity has a negative correlation with a number of blocks marked as bad blocks among a plurality of blocks of the memory; when the effective capacity is less than or equal to the declared capacity, and a difference between the effective capacity and the expectedly used capacity is less than a predetermined threshold capacity, prohibiting, by the controller, programming to the memory; and when the effective capacity is less than or equal to the declared capacity and the difference of the effective capacity and the expectedly used capacity is not less than the predetermined threshold capacity, permitting, by the controller, programming to the memory.Type: ApplicationFiled: May 29, 2023Publication date: September 28, 2023Inventors: Yen-Chung CHEN, Wei-Ren HSU, Fu-Hsin CHEN, Ming-Yuh YEH
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Publication number: 20230284514Abstract: A flexible touch panel includes a flexible touch substrate, an overcoat layer, a device layer, and a waterproof layer. The overcoat layer is disposed over and directly contacting the flexible touch substrate. An adhesive force of the overcoat layer obtained according to an ASTM D3359 cross-cut test is greater than 4B. The device layer is disposed over the overcoat layer. The waterproof layer is interposed between the overcoat layer and the device layer.Type: ApplicationFiled: May 11, 2023Publication date: September 7, 2023Inventors: Yen-Chung CHEN, Mei-Ling CHOU, Chia-Yu LIU
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Publication number: 20230235431Abstract: The present invention provides a preparation method of a light metal/boron carbide composite material, comprising: (A) providing a boron carbide precursor and a light metal powder to perform a pretreatment mixing process to form a precursor; (B) performing a vacuum hot pressing molding or a vacuum cold isostatic pressing molding on the precursor to make the precursor form a light metal/boron carbide compound green body that is uniform; (C) performing a thermal treatment on the light metal/boron carbide compound green body to make the light metal/boron carbide compound green body form a light metal/boron carbide compound sintered body; and (D) performing a cold rolling treatment or a hot rolling treatment on the light metal/boron carbide compound sintered body to obtain a light metal/boron carbide composite material.Type: ApplicationFiled: January 25, 2022Publication date: July 27, 2023Inventors: YEN-CHUNG CHEN, KER-JER HUANG, CHUEN-MING GEE, WEI-TING HSU
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Patent number: 11700764Abstract: The invention provides a flexible panel and a method of fabricating the same. The flexible panel includes a flexible substrate, an overcoat layer and a device layer. The overcoat layer is disposed over and directly contacting the flexible substrate. The device layer is disposed over the overcoat layer. In the invention, the flexible substrate can be directly formed on the carrier, such that an additional layer that helps release between the carrier and the flexible substrate may not be needed, and the flexible substrate can be separated from the carrier by the overcoat layer thereon, thereby reducing the production costs and ensure the quality of the flexible panel.Type: GrantFiled: December 4, 2020Date of Patent: July 11, 2023Assignee: HannStar Display CorporationInventors: Yen-Chung Chen, Mei-Ling Chou, Chia-Yu Liu
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Publication number: 20230147751Abstract: A display panel includes a first substrate and multiple pixel structures. The pixel structure includes at least one active element, at least one pixel electrode, a first common electrode, and a second common electrode. The at least one pixel electrode includes a first sub-electrode, a second sub-electrode, and a third sub-electrode. The first sub-electrode is electrically connected to one of the at least one corresponding active element and the second sub-electrode. The third sub-electrode is electrically connected to the second sub-electrode. The first sub-electrode, the second sub-electrode, and the third sub-electrode are different layers. The first common electrode is disposed between the first sub-electrode and the first substrate, and overlaps the first sub-electrode. The second common electrode is disposed between the first sub-electrode and the third sub-electrode, and overlaps the first sub-electrode and the third sub-electrode.Type: ApplicationFiled: October 13, 2022Publication date: May 11, 2023Applicant: HannStar Display CorporationInventors: Mu-Kai Kang, Cheng-Yen Yeh, Sz-Kai Huang, Jing-Xuan Chen, Yen-Chung Chen
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Publication number: 20230125582Abstract: The subject invention relates to two-stage inoculation and two-stage fermentation process which are performed by the inoculation time difference and staged fermentation. In the first stage, yeast, lactic acid bacteria and Acetobacter aceti are inoculated into a fermentation tank to perform primary fermentation to produce primary fermented material. In the second stage, yeast is added into the primary fermented material in a container to perform the secondary fermentation to produce secondary fermented material, and then the secondary fermented material is pasteurized to deactivate yeast, lactic acid bacteria and Acetobacter aceti in the container and stop fermentation reaction. Finally, the secondary fermented material is cooled to ambient temperature to prepare the kombucha fermented beverage preserving active fermentative bacteria and enzyme at ambient temperature. The invention is help to improve the preservation convenience of the kombucha fermented beverage and avoid excessive alcohol concentration.Type: ApplicationFiled: September 19, 2022Publication date: April 27, 2023Inventors: Yu-Fen WANG, Kwan-Han CHEN, Hung-Chi HSIAO, Meng-Hsuan CHUANG, Yen-Chung CHEN, Yu-Shin CHEN, Pi-Feng TSAO, Chun-En GAO
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Patent number: 11550710Abstract: 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: GrantFiled: December 23, 2020Date of Patent: January 10, 2023Assignee: Realtek Semiconductor Corp.Inventors: Wei-Ren Hsu, Chih-Yen Chen, Yen-Chung Chen, Jiunn-Jong Pan
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Publication number: 20220367527Abstract: An electronic device includes a flexible substrate and a driving component. In the flexible substrate, a first side region, a second side region and a first cutting structure are disposed in a peripheral region, wherein a display region and the first side region are separated by a first edge of the display region, the display region and the second side region are separated by a second edge of the display region, the first edge and the second edge are respectively parallel to a first direction and a second direction perpendicular to the first direction, the first cutting structure has a first endpoint and two edges separated by the first endpoint and respectively belonging to the first side region and the second side region. The driving component overlaps the flexible substrate in a top view direction perpendicular to the first direction and the second direction.Type: ApplicationFiled: July 29, 2022Publication date: November 17, 2022Applicants: HannStar Display (Nanjing) Corporation, HANNSTAR DISPLAY CORPORATIONInventor: Yen-Chung Chen