Patents by Inventor Pei-Ling Kao

Pei-Ling Kao 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: 20240087961
    Abstract: The embodiments described herein are directed to a method for reducing fin oxidation during the formation of fin isolation regions. The method includes providing a semiconductor substrate with an n-doped region and a p-doped region formed on a top portion of the semiconductor substrate; epitaxially growing a first layer on the p-doped region; epitaxially growing a second layer different from the first layer on the n-doped region; epitaxially growing a third layer on top surfaces of the first and second layers, where the third layer is thinner than the first and second layers. The method further includes etching the first, second, and third layers to form fin structures on the semiconductor substrate and forming an isolation region between the fin structures.
    Type: Application
    Filed: November 21, 2023
    Publication date: March 14, 2024
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Hung-Ju CHOU, Chih-Chung Chang, Jun-Ming Kuo, Che-Yuan Hsu, Pei-Ling Kao, Chen-Hsuan Liao
  • Patent number: 11835819
    Abstract: A reflective sheet comprises a plurality of perforations for extending a plurality of light-emitting elements therein, the reflective sheet further comprises a central line passing through its center, at least one first dimming area, and at least one second dimming area, and the distance between the at least one first dimming area and the central line is smaller than the distance between the at least one second dimming area and the central line. The light-emitting elements are distributed in the at least one first dimming area and the at least one second dimming area, the at least one first dimming area has a first dimming means, the at least one second dimming area has a second dimming means, the dimension of the first dimming means is different from the dimension of the second dimming means.
    Type: Grant
    Filed: October 26, 2022
    Date of Patent: December 5, 2023
    Assignee: Radiat Opto-Electronics Corporation
    Inventors: Tzu-Ching Yang, Ya-Yun Hsieh, Pei-Ling Kao, Pei-Fen Hou
  • Patent number: 11769461
    Abstract: A backlight control method for a surface light-emitting device is provided. The backlight control method includes generating a plurality of driving currents to drive the surface light-emitting device such that a plurality of backlight zones generate a plurality of brightness values, measuring the plurality of brightness values of the plurality of backlight zones, calculating a plurality of uniformities of the plurality of backlight zones according to the plurality of brightness values and setting a plurality of target uniformities, generating a plurality of adjustment values according to the plurality of uniformities, the plurality of target uniformities and a plurality of adjustment coefficients corresponding to the plurality of backlight zones, and generating a plurality of adjusted driving currents to drive the plurality of backlight zones according to the plurality of adjustment values and the plurality of driving currents.
    Type: Grant
    Filed: August 29, 2022
    Date of Patent: September 26, 2023
    Assignee: Radiant Opto-Electronics Corporation
    Inventors: Li-Fei Wang, Yu-Lin Hsieh, Sheng-Kai Fang, Pei-Ling Kao
  • Patent number: 11719977
    Abstract: A light reflecting structure, a backlight module, and a display device are provided. The light reflecting structure is configured to reflect light emitted from plural light emitting units. The light reflecting structure includes a bottom portion and plural sidewall portions. The sidewall portions are erected on the bottom portion. The sidewall portions respectively and correspondingly surround the light-emitting units, and the light emitted from each of the light-emitting units can be directed to a light reflecting surface corresponding to each of the sidewall portions to be reflected outward. A distance P is defined between any two adjacent sidewall portions, and each of the sidewall portions has a height H1. The distance P and the height H1 satisfy a first inequality, and the first inequality is H1<P/2×tan ?. ? represents a complementary angle of a half light-intensity angle of each of the light-emitting units.
    Type: Grant
    Filed: January 11, 2022
    Date of Patent: August 8, 2023
    Assignees: Radiant(Guangzhou) Opto-Electronics Co., Ltd, Radiant Opto-Electronics Corporation
    Inventors: Hui-Yu Huang, Hsiu-Yi Lai, Shih-Cheng Hsiao, Shu-An Tsai, Pei-Ling Kao, I-Cheng Liu
  • Publication number: 20230106059
    Abstract: A reflective sheet comprises a plurality of perforations for extending a plurality of light-emitting elements therein, the reflective sheet further comprises a central line passing through its center, at least one first dimming area, and at least one second dimming area, and the distance between the at least one first dimming area and the central line is smaller than the distance between the at least one second dimming area and the central line. The light-emitting elements are distributed in the at least one first dimming area and the at least one second dimming area, the at least one first dimming area has a first dimming means, the at least one second dimming area has a second dimming means, the dimension of the first dimming means is different from the dimension of the second dimming means.
    Type: Application
    Filed: October 26, 2022
    Publication date: April 6, 2023
    Applicant: Radiant Opto-Electronics Corporation
    Inventors: Tzu-Ching YANG, Ya-Yun HSIEH, Pei-Ling KAO, Pei-Fen HOU
  • Publication number: 20230077136
    Abstract: A backlight control method for a surface light-emitting device is provided. The backlight control method includes generating a plurality of driving currents to drive the surface light-emitting device such that a plurality of backlight zones generate a plurality of brightness values, measuring the plurality of brightness values of the plurality of backlight zones, calculating a plurality of uniformities of the plurality of backlight zones according to the plurality of brightness values and setting a plurality of target uniformities, generating a plurality of adjustment values according to the plurality of uniformities, the plurality of target uniformities and a plurality of adjustment coefficients corresponding to the plurality of backlight zones, and generating a plurality of adjusted driving currents to drive the plurality of backlight zones according to the plurality of adjustment values and the plurality of driving currents.
    Type: Application
    Filed: August 29, 2022
    Publication date: March 9, 2023
    Applicant: Radiant Opto-Electronics Corporation
    Inventors: Li-Fei Wang, Yu-Lin Hsieh, Sheng-Kai Fang, Pei-Ling Kao
  • Patent number: 11600528
    Abstract: A method for forming a semiconductor structure is provided. The method includes forming a stack over a substrate. The stack includes alternating first semiconductor layers and second semiconductor layers. The method also includes forming a polishing stop layer over the stack and a dummy layer over the polishing stop layer, recessing the dummy layer, the polishing stop layer and the stack to form a recess, forming a third semiconductor layer to fill the recess, and planarizing the dummy layer and the third semiconductor layer until the polishing stop layer is exposed. The method also includes patterning the polishing stop layer and the stack into a first fin structure and the third semiconductor layer into a second fin structure, removing the second semiconductor layers of the first fin structure to form nanostructures, and forming a gate stack across the first fin structure and the second fin structure.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: March 7, 2023
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Pei-Ling Kao, You-Ting Lin, Jiun-Ming Kuo
  • Publication number: 20230017945
    Abstract: A method includes providing a semiconductor substrate having a first region and a second region, epitaxially growing a semiconductor layer above the semiconductor substrate, patterning the semiconductor layer to form a first fin in the first region and a second fin in the second region, and depositing a dielectric material layer on sidewalls of the first and second fins. The method also includes performing an anneal process in driving dopants into the dielectric material layer, such that a dopant concentration in the dielectric material layer in the first region is higher than that in the second region, and performing an etching process to recess the dielectric material layer, thereby exposing the sidewalls of the first and second fins. A top surface of the recessed dielectric material layer in the first region is lower than that in the second region.
    Type: Application
    Filed: May 4, 2022
    Publication date: January 19, 2023
    Inventors: Pei-Ling Kao, You-Ting Lin, Chih-Chung Chang, Jiun-Ming Kuo, Yuan-Ching Peng
  • Publication number: 20220281636
    Abstract: A carrier tray and a carrier tray assembly using the same are described. The carrier tray includes a carrying portion, a surrounding wall and at least one recessed structure. The carrying portion has a top surface and a bottom surface opposite to the top surface. The surrounding wall is disposed around the carrying portion. The recessed structure is recessed into the carrying portion. The recessed structure has an opening and a recessed space, and the recessed space is communicated with the outside through the opening. There is a first distance defined by the recessed space along a first direction, and there is a second distance defined by the opening along the first direction. The first distance is greater than the second distance.
    Type: Application
    Filed: April 14, 2022
    Publication date: September 8, 2022
    Inventors: Hung-Yi HSU, Hung-Lin CHOU, Chao-Hsu CHEN, Pei-Ling KAO, Chih-Ming CHAN
  • Publication number: 20220137459
    Abstract: A light reflecting structure, a backlight module, and a display device are provided. The light reflecting structure is configured to reflect light emitted from plural light emitting units. The light reflecting structure includes a bottom portion and plural sidewall portions. The sidewall portions are erected on the bottom portion. The sidewall portions respectively and correspondingly surround the light-emitting units, and the light emitted from each of the light-emitting units can be directed to a light reflecting surface corresponding to each of the sidewall portions to be reflected outward. A distance P is defined between any two adjacent sidewall portions, and each of the sidewall portions has a height H1. The distance P and the height H1 satisfy a first inequality, and the first inequality is H1<P/2×tan ?. ? represents a complementary angle of a half light-intensity angle of each of the light-emitting units.
    Type: Application
    Filed: January 11, 2022
    Publication date: May 5, 2022
    Inventors: Hui-Yu HUANG, Hsiu-Yi LAI, Shih-Cheng HSIAO, Shu-An TSAI, Pei-Ling KAO, I-Cheng LIU
  • Publication number: 20210375686
    Abstract: A method for forming a semiconductor structure is provided. The method includes forming a stack over a substrate. The stack includes alternating first semiconductor layers and second semiconductor layers. The method also includes forming a polishing stop layer over the stack and a dummy layer over the polishing stop layer, recessing the dummy layer, the polishing stop layer and the stack to form a recess, forming a third semiconductor layer to fill the recess, and planarizing the dummy layer and the third semiconductor layer until the polishing stop layer is exposed. The method also includes patterning the polishing stop layer and the stack into a first fin structure and the third semiconductor layer into a second fin structure, removing the second semiconductor layers of the first fin structure to form nanostructures, and forming a gate stack across the first fin structure and the second fin structure.
    Type: Application
    Filed: May 28, 2020
    Publication date: December 2, 2021
    Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Pei-Ling KAO, You-Ting LIN, Jiun-Ming KUO
  • Patent number: 11106081
    Abstract: A light-emitting mechanism comprises at least one LED, an optical unit disposed on the LED, and at least one dimming unit disposed on the optical unit and corresponding to the LED. The dimming unit includes a shading component disposed directly above the corresponding LED, the size of the shading component is greater than or equal to the size of the LED below the shading component, and the adjacent shading components are not contact with each other. The invention also provides a backlight module including the light-emitting mechanism.
    Type: Grant
    Filed: May 22, 2020
    Date of Patent: August 31, 2021
    Assignees: RADIANT(GUANGZHOU) OPTO-ELECTRONICS CO., LTD, RADIANT OPTO-ELECTRONICS CORPORATION
    Inventors: Jui-Lin Chen, Pin-Hsun Lee, Pei-Ling Kao, Yuan-Jhang Chen, Wei-Hsuan Chen, Chung-Yung Tai
  • Publication number: 20200285111
    Abstract: A light-emitting mechanism comprises at least one LED, an optical unit disposed on the LED, and at least one dimming unit disposed on the optical unit and corresponding to the LED. The dimming unit includes a shading component disposed directly above the corresponding LED, the size of the shading component is greater than or equal to the size of the LED below the shading component, and the adjacent shading components are not contact with each other. The invention also provides a backlight module including the light-emitting mechanism.
    Type: Application
    Filed: May 22, 2020
    Publication date: September 10, 2020
    Inventors: Jui-Lin CHEN, Pin-Hsun LEE, Pei-Ling KAO, Yuan-Jhang CHEN, Wei-Hsuan CHEN, Chung-Yung TAI
  • Patent number: 10459155
    Abstract: A backlight module and a display device are provided. The backlight module includes a back plate, a carrying member, a light guide plate, at least one optical film and a light source. The carrying member is disposed on the back plate, in which the carrying member includes a first step portion and a second step portion, and the first step portion is elevated higher than the second step portion. The light guide plate is disposed on the back plate. The at least one optical film is disposed above the light guide plate, in which the at least one optical film is held on the second step portion. The light source is disposed on the back plate, in which the light source is disposed adjacent to a light-incident surface of the light guide plate.
    Type: Grant
    Filed: May 25, 2017
    Date of Patent: October 29, 2019
    Assignees: Radiant Opto-Electronics (Suzhou) Co., Ltd., Radiant Opto-Electronics Corporation
    Inventors: Yu-Ju Lee, Pei-Ling Kao, Pei-Fen Hou
  • Patent number: 10060597
    Abstract: An optical lens, a backlight module and a display device are provided. The optical lens includes a main body, a light-incident surface, a reflecting surface and a light-emitting surface. The main body has a top portion and a bottom portion. The light-incident surface is recessed into the bottom portion of the main body. The reflecting surface is recessed into the top portion of the main body and opposite to the light-incident surface. The light-emitting surface connects the top portion and the bottom portion, in which the light-emitting surface has plural microstructures. Each of the microstructures has a normal line, and directions of the normal lines are different from each other.
    Type: Grant
    Filed: December 29, 2015
    Date of Patent: August 28, 2018
    Assignees: Radiant Opto-Electronics (Suzhou) Co., Ltd., Radiant Opto-Electronics Corporation
    Inventors: Tsung-Tse Wu, Chun-Hsien Li, Pei-Ling Kao, Yen-Chang Lee
  • Publication number: 20170371094
    Abstract: A backlight module and a display device are provided. The backlight module includes a back plate, a carrying member, a light guide plate, at least one optical film and a light source. The carrying member is disposed on the back plate, in which the carrying member includes a first step portion and a second step portion, and the first step portion is elevated higher than the second step portion. The light guide plate is disposed on the back plate. The at least one optical film is disposed above the light guide plate, in which the at least one optical film is held on the second step portion. The light source is disposed on the back plate, in which the light source is disposed adjacent to a light-incident surface of the light guide plate.
    Type: Application
    Filed: May 25, 2017
    Publication date: December 28, 2017
    Inventors: Yu-Ju LEE, Pei-Ling KAO, Pei-Fen HOU
  • Patent number: 9829175
    Abstract: An optical lens, a backlight module and a display device are provided. The optical lens includes a main body, a light-incident surface, a recessed surface and a light-emitting surface. The main body has a top portion and a bottom portion. The light-incident surface is recessed into the bottom portion of the main body. The recessed surface is recessed into the top portion of the main body and is opposite to the light-incident surface, in which the recessed surface has a plurality of prism surfaces, and each of the prism surfaces has a normal line, and directions of the normal lines are different from each other. The light-emitting surface connects the top portion and the bottom portion.
    Type: Grant
    Filed: December 29, 2015
    Date of Patent: November 28, 2017
    Assignees: Radiant Opto-Electronics (Suzhou) Co., Ltd., Radiant Opto-Elecctronics Corporation
    Inventors: Tsung-Tse Wu, Chun-Hsien Li, Pei-Ling Kao, Yen-Chang Lee
  • Publication number: 20170261179
    Abstract: An optical lens, a backlight module and a display device are provided. The optical lens includes a main body, a light-incident surface, a reflecting surface and a light-emitting surface. The main body has a top portion and a bottom portion. The light-incident surface is recessed into the bottom portion of the main body. The reflecting surface is recessed into the top portion of the main body and opposite to the light-incident surface. The light-emitting surface connects the top portion and the bottom portion, in which the light-emitting surface has plural microstructures. Each of the microstructures has a normal line, and directions of the normal lines are different from each other.
    Type: Application
    Filed: December 29, 2015
    Publication date: September 14, 2017
    Inventors: Tsung-Tse WU, Chun-Hsien LI, Pei-Ling KAO, Yen-Chang LEE
  • Publication number: 20170122524
    Abstract: An optical lens, a backlight module and a display device are provided. The optical lens includes a main body, a light-incident surface, a recessed surface and a light-emitting surface. The main body has a top portion and a bottom portion. The light-incident surface is recessed into the bottom portion of the main body. The recessed surface is recessed into the top portion of the main body and is opposite to the light-incident surface, in which the recessed surface has a plurality of prism surfaces, and each of the prism surfaces has a normal line, and directions of the normal lines are different from each other. The light-emitting surface connects the top portion and the bottom portion.
    Type: Application
    Filed: December 29, 2015
    Publication date: May 4, 2017
    Inventors: Tsung-Tse WU, Chun-Hsien LI, Pei-Ling KAO, Yen-Chang LEE
  • Publication number: 20150268411
    Abstract: A frame structure and a backlight module are provided. The frame structure includes a frame body and a reflecting structure. The frame structure includes a frame body and a reflecting structure. The reflecting structure is disposed inside the frame body. The reflecting structure includes a first portion and a second portion. The first portion is connected to the frame body. The second portion has elasticity and is elastically separated from the frame body.
    Type: Application
    Filed: July 1, 2014
    Publication date: September 24, 2015
    Inventors: Jia-Rong HU, Pei-Ling KAO, Chun-Hsien LI