Patents by Inventor Yen Chang Chen

Yen Chang 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).

  • Publication number: 20240120430
    Abstract: A method of forming infrared detector includes the following operations. A sensing structure including a first infrared absorption layer, a first protection layer, a second infrared absorption layer, and a second protection layer from bottom to top is received. A patterned photoresist layer is formed on the sensing structure, in which the patterned photoresist layer has a first opening exposing the second protection layer. The second protection layer is etched through the first opening to form a second opening in the second protection layer, in which the second opening exposes the second infrared absorption layer. The patterned photoresist layer is removed. The second infrared absorption layer and the first protection layer are etched through the second opening to form a third opening, in which the third opening exposes the first infrared absorption layer. An electrode is formed in the third opening.
    Type: Application
    Filed: February 16, 2023
    Publication date: April 11, 2024
    Inventor: Yen-Chang CHEN
  • Publication number: 20240112870
    Abstract: A backlight module for a lighting keyboard comprises a lighting board including light emitting units, a light guide panel disposed on the lighting board and including light guide holes, and a shielding sheet disposed on the light guide panel. Each light emitting unit is located in each light guide hole. The backlight module is divided into regions including a middle region and two first side regions located outside the middle region. The light guide holes include at least one middle light guide hole in the middle region and at least one first light guide hole in the first side region. A distance between a light emitting unit located in the middle light guide hole and a wall of the middle light guide hole is lesser than a distance between a light emitting unit located in the first light guide hole and a wall of the first light guide hole.
    Type: Application
    Filed: September 28, 2023
    Publication date: April 4, 2024
    Applicant: Darfon Electronics Corp.
    Inventors: Yen-Chang CHEN, Heng-Yi HUANG
  • Publication number: 20240078887
    Abstract: There is provided a smoke detector including a first light source, a second light source surface, a light sensor and a processor. The light sensor receives reflected light when the first light source and the second light source emit light, and generates a first detection signal corresponding to light emission of the first light source and a second detection signal corresponding to light emission of the second light source. The processor distinguishes smoke and floating particles according to a similarity between the first detection signal and the second detection signal.
    Type: Application
    Filed: November 15, 2023
    Publication date: March 7, 2024
    Inventors: CHENG-NAN TSAI, GUO-ZHEN WANG, CHING-KUN CHEN, YEN-CHANG CHU, CHIH-MING SUN
  • Publication number: 20240071888
    Abstract: A package structure including a redistribution circuit structure, a wiring substrate, first conductive terminals, an insulating encapsulation, and a semiconductor device is provided. The redistribution circuit structure includes stacked dielectric layers, redistribution wirings and first conductive pads. The first conductive pads are disposed on a surface of an outermost dielectric layer among the stacked dielectric layers, the first conductive pads are electrically connected to outermost redistribution pads among the redistribution wirings by via openings of the outermost dielectric layer, and a first lateral dimension of the via openings is greater than a half of a second lateral dimension of the outermost redistribution pads. The wiring substrate includes second conductive pads. The first conductive terminals are disposed between the first conductive pads and the second conductive pads. The insulating encapsulation is disposed on the surface of the redistribution circuit structure.
    Type: Application
    Filed: August 28, 2022
    Publication date: February 29, 2024
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chien-Chang Lin, Yen-Fu Su, Chin-Liang Chen, Wei-Yu Chen, Hsin-Yu Pan, Yu-Min Liang, Hao-Cheng Hou, Chi-Yang Yu
  • Publication number: 20240036245
    Abstract: A backlight module is applied to providing light to a plurality of keyswitches of a keyboard. Each keyswitch has a keycap and an elastic member abutting against the keycap. The backlight module includes a membrane circuit board and a light guide plate. The membrane circuit board has a light emitting diode corresponding to the keyswitch. The light emitting diode is located at a side of the elastic member and emits light to the keycap. The light guide plate is disposed on the membrane circuit board. The light guide plate has a slot hole for containing the light emitting diode and has a hole corresponding to the elastic member. An optical microstructure is formed on the light guide plate for guiding light of the light emitting diode to be incident to the keycap. The elastic member passes through the hole to be disposed on the membrane circuit board.
    Type: Application
    Filed: July 18, 2023
    Publication date: February 1, 2024
    Applicant: DARFON ELECTRONICS CORP.
    Inventors: Po-Wei Tsai, Yen-Chang Chen, Sheng-Yun Yang
  • Publication number: 20230389492
    Abstract: The present invention generally relates to a hydroponic culture medium and a hydroponic planting system, more particularly to a Houttuynia cordata hydroponic culture medium, a Houttuynia cordata hydroponic planting system, Houttuynia cordata extracts, a method, and applications thereof.
    Type: Application
    Filed: March 14, 2023
    Publication date: December 7, 2023
    Inventors: FANG-RONG CHANG, WEI-HUNG WU, YI-HONG TSAI, CHUNG-HSIEN CHEN, YEN-CHI LOO, HSUEH-ER CHEN, YEN-CHANG CHEN, HUI-PING HSIEH, CHEN HSIEH
  • Publication number: 20230369516
    Abstract: A device and method for fabricating the same is disclosed. For example, the device includes a sensor having a front side and a back side, a metal interconnect layer formed on the front side of the sensor, an anti-reflective coating formed on the back side of the sensor, a composite etch stop mask layer formed on the anti-reflective coating. wherein the composite etch stop mask layer includes a silicon nitride layer and a stressed layer. A percentage of Si—H bonds in the silicon nitride layer is greater than a percentage of Si—H bonds in the stressed layer.
    Type: Application
    Filed: July 18, 2023
    Publication date: November 16, 2023
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Cheng-Han LIN, Chao-Ching CHANG, Yi-Ming LIN, Yen-Ting CHOU, Yen-Chang CHEN, Sheng-Chan LI, Cheng-Hsien CHOU
  • Publication number: 20230307497
    Abstract: A semiconductor device comprises: a SiC epitaxial layer and a first recess. The SiC epitaxial layer has: a p-type well region; a heavily doped n-type region on a surface of the p-type well region; and a heavily doped p-type region below the heavily doped n-type region and within the p-type well region. The first recess is formed in the heavily doped p-type region and the heavily doped n-type region, wherein a depth of the first recess exceeds a depth of the heavily doped n-type region.
    Type: Application
    Filed: January 18, 2023
    Publication date: September 28, 2023
    Inventors: YUAN LIANG LIU, YI CHEN LEE, YEN CHANG CHEN
  • Patent number: 11749760
    Abstract: A device and method for fabricating the same is disclosed. For example, the device includes a sensor having a front side and a back side, a metal interconnect layer formed on the front side of the sensor, an anti-reflective coating formed on the back side of the sensor, a composite etch stop mask layer formed on the anti-reflective coating wherein the composite etch stop mask layer includes a hydrogen rich layer and a compressive high density layer, and a light filter formed on the composite etch stop mask layer.
    Type: Grant
    Filed: May 13, 2022
    Date of Patent: September 5, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Cheng-Han Lin, Chao-Ching Chang, Yi-Ming Lin, Yen-Ting Chou, Yen-Chang Chen, Sheng-Chan Li, Cheng-Hsien Chou
  • Patent number: 11740504
    Abstract: A curved panel includes a first curved substrate, a second curved substrate, a curved coverlens, and an adhesive structure. The first curved substrate and the second curved substrate are overlapped with each other. First to fourth sidewalls of the first curved substrate correspond to fifth to eighth sidewalls of the second curved substrate, respectively. The first to third sidewalls of the first curved substrate extend beyond the fifth to seventh sidewalls of the second curved substrate, respectively. The second curved substrate is located between the curved coverlens and the first curved substrate. The second curved substrate is bonded to the curved coverlens through an adhesive layer. The adhesive structure is located between the first curved substrate and the curved coverlens and is laterally located between the first sidewall and the fifth sidewall, between the second sidewall and the sixth sidewall, and between the third sidewall and the seventh sidewall.
    Type: Grant
    Filed: August 10, 2022
    Date of Patent: August 29, 2023
    Assignee: AUO Corporation
    Inventors: Chun-Yu Lee, Sheng-Yuan Chiu, Yen-Chang Chen, Po-Shu Huang, Ho-Hsiang Wang
  • Publication number: 20230268367
    Abstract: An isolation structure can be formed between adjacent and/or non-adjacent pixel regions (e.g., between diagonal or cross-road pixel regions), of an image sensor, to reduce and/or prevent optical crosstalk. The isolation structure may include a deep trench isolation (DTI) structure or another type of trench that is partially filled with a material such that an air gap is formed therein. The DTI structure having the air gap formed therein may reduce optical crosstalk between pixel regions. The reduced optical crosstalk may increase spatial resolution of the image sensor, may increase overall sensitivity of the image sensor, may decrease color mixing between pixel regions of the image sensor, and/or may decrease image noise after color correction of images captured using the image sensor.
    Type: Application
    Filed: April 28, 2023
    Publication date: August 24, 2023
    Inventors: Tsung-Wei HUANG, Chao-Ching CHANG, Yun-Wei CHENG, Chih-Lung CHENG, Yen-Chang CHEN, Wen-Jen TSAI, Cheng Han LIN, Yu-Hsun CHIH, Sheng-Chan LI, Sheng-Chau CHEN
  • Patent number: 11652124
    Abstract: An isolation structure can be formed between adjacent and/or non-adjacent pixel regions (e.g., between diagonal or cross-road pixel regions), of an image sensor, to reduce and/or prevent optical crosstalk. The isolation structure may include a deep trench isolation (DTI) structure or another type of trench that is partially filled with a material such that an air gap is formed therein. The DTI structure having the air gap formed therein may reduce optical crosstalk between pixel regions. The reduced optical crosstalk may increase spatial resolution of the image sensor, may increase overall sensitivity of the image sensor, may decrease color mixing between pixel regions of the image sensor, and/or may decrease image noise after color correction of images captured using the image sensor.
    Type: Grant
    Filed: October 14, 2020
    Date of Patent: May 16, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Tsung-Wei Huang, Chao-Ching Chang, Yun-Wei Cheng, Chih-Lung Cheng, Yen-Chang Chen, Wen-Jen Tsai, Cheng Han Lin, Yu-Hsun Chih, Sheng-Chan Li, Sheng-Chau Chen
  • Publication number: 20230131367
    Abstract: A use of extracts of roselle seeds for preparing a composition of antioxidant, anti-inflammation, anti-UVB, anti-allergy, whitening, moisturizing, and anti-wrinkle, wherein the extracts of the roselle seeds comprise lauric, palmitic, linoleic, oleic, or stearic acids; and a method for preparing the extracts of the roselle seeds comprises steps of: steeping of: extracting a weight ratio of the 12:1 to 20:1 roselle seeds and an ethanol solution with a concentration of 75 to 95%; and steeping the roselle seeds in the ethanol solution to obtain a suspension; and extraction of: the suspension being engaged in an extraction of a continuous and rapid oscillation with an ultrasonic energy with a total energy of 200 to 500W, wherein 1 to 3 hours of the oscillation is one cycle, and a total number of 3 to 5 cycles is lasted, in order to obtain roselle seed crude extracts.
    Type: Application
    Filed: October 24, 2022
    Publication date: April 27, 2023
    Inventors: Hui-Ping HSIEH, Chen HSIEH, Fang-Rong CHANG, Chia-Hua LIANG, Yen-Chang CHEN, Yi-Hong TSAI
  • Publication number: 20220290300
    Abstract: Various showerheads and methods are provided. A showerhead may include a faceplate partially defined by a front surface and a back surface, a back plate having a gas inlet, a first conical frustum surface, and a second conical frustum surface, a plenum volume fluidically connected to the gas inlet and at least partially defined by the gas inlet, the back surface of the faceplate, the first conical frustum surface, and the second conical frustum surface, and a baffle plate positioned within the plenum volume, and having a plurality of baffle plate through-holes extending through the baffle plate. The second conical frustum surface may be positioned radially outwards from the first conical frustum surface with respect to a center axis of the showerhead, and the second conical frustum surface may be positioned along the center axis farther from the gas inlet than the first conical frustum surface.
    Type: Application
    Filed: August 19, 2020
    Publication date: September 15, 2022
    Inventors: Ravi Vellanki, Eric H. Lenz, Vinayakaraddy Gulabal, Sanjay Gopinath, Michal Danek, Prodyut Majumder, Novy Tjokro, Yen-Chang Chen, Shruti Vivek Thombare, Gorun Butail, Patrick A. van Cleemput
  • Publication number: 20220278242
    Abstract: A device and method for fabricating the same is disclosed. For example, the device includes a sensor having a front side and a back side, a metal interconnect layer formed on the front side of the sensor, an anti-reflective coating formed on the back side of the sensor, a composite etch stop mask layer formed on the anti-reflective coating wherein the composite etch stop mask layer includes a hydrogen rich layer and a compressive high density layer, and a light filter formed on the composite etch stop mask layer.
    Type: Application
    Filed: May 13, 2022
    Publication date: September 1, 2022
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Cheng-Han LIN, Chao-Ching CHANG, Yi-Ming LIN, Yen-Ting CHOU, Yen-Chang CHEN, Sheng-Chan LI, Cheng-Hsien CHOU
  • Patent number: 11335817
    Abstract: A device and method for fabricating the same is disclosed. For example, the device includes a sensor having a front side and a back side, a metal interconnect layer formed on the front side of the sensor, an anti-reflective coating formed on the back side of the sensor, a composite etch stop mask layer formed on the anti-reflective coating wherein the composite etch stop mask layer includes a hydrogen rich layer and a compressive high density layer, and a light filter formed on the composite etch stop mask layer.
    Type: Grant
    Filed: April 9, 2020
    Date of Patent: May 17, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Cheng-Han Lin, Chao-Ching Chang, Yi-Ming Lin, Yen-Ting Chou, Yen-Chang Chen, Sheng-Chan Li, Cheng-Hsien Chou
  • Publication number: 20220115421
    Abstract: An isolation structure can be formed between adjacent and/or non-adjacent pixel regions (e.g., between diagonal or cross-road pixel regions), of an image sensor, to reduce and/or prevent optical crosstalk. The isolation structure may include a deep trench isolation (DTI) structure or another type of trench that is partially filled with a material such that an air gap is formed therein. The DTI structure having the air gap formed therein may reduce optical crosstalk between pixel regions. The reduced optical crosstalk may increase spatial resolution of the image sensor, may increase overall sensitivity of the image sensor, may decrease color mixing between pixel regions of the image sensor, and/or may decrease image noise after color correction of images captured using the image sensor.
    Type: Application
    Filed: October 14, 2020
    Publication date: April 14, 2022
    Inventors: Tsung-Wei HUANG, Chao-Ching CHANG, Yun-Wei CHENG, Chih-Lung CHENG, Yen-Chang CHEN, Wen-Jen TSAI, Cheng Han LIN, Yu-Hsun CHIH, Sheng-Chan LI, Sheng-Chau CHEN
  • Patent number: 11175059
    Abstract: An air conditioning system includes a control unit, a circulation system, an AC-to-DC conversion unit, and a fan module. The control unit detects an area temperature, controls the compressor unit being in operation or not in operation according to the area temperature and a setting temperature set by the control unit, and control a rotation speed of the condensing fan according to a temperature difference between the area temperature and the setting temperature. When the area temperature is greater than the setting temperature, the control unit controls the compressor unit being in operation and control the condensing fan being in full-speed operation.
    Type: Grant
    Filed: December 6, 2018
    Date of Patent: November 16, 2021
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Lee-Lung Chen, Yen-Chang Chen, Chia-Wei Chen, Jian-Jhang Wu
  • Publication number: 20210050460
    Abstract: A device and method for fabricating the same is disclosed. For example, the device includes a sensor having a front side and a back side, a metal interconnect layer formed on the front side of the sensor, an anti-reflective coating formed on the back side of the sensor, a composite etch stop mask layer formed on the anti-reflective coating wherein the composite etch stop mask layer includes a hydrogen rich layer and a compressive high density layer, and a light filter formed on the composite etch stop mask layer.
    Type: Application
    Filed: April 9, 2020
    Publication date: February 18, 2021
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Cheng-Han LIN, Chao-Ching CHANG, Yi-Ming LIN, Yen-Ting CHOU, Yen-Chang CHEN, Sheng-Chan LI, Cheng-Hsien CHOU
  • Publication number: 20190242606
    Abstract: An air conditioning system includes a control unit, a circulation system, an AC-to-DC conversion unit, and a fan module. The control unit detects an area temperature, controls the compressor unit being in operation or not in operation according to the area temperature and a setting temperature set by the control unit, and control a rotation speed of the condensing fan according to a temperature difference between the area temperature and the setting temperature. When the area temperature is greater than the setting temperature, the control unit controls the compressor unit being in operation and control the condensing fan being in full-speed operation.
    Type: Application
    Filed: December 6, 2018
    Publication date: August 8, 2019
    Inventors: Lee-Lung CHEN, Yen-Chang CHEN, Chia-Wei CHEN, Jian-Jhang WU