Patents by Inventor Chia-Yi Tsai

Chia-Yi Tsai 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: 11466205
    Abstract: Quantum dot is a semiconductor nanomaterial. The quantum dot includes a core constituted of InP, a first shell constituted of ZnSe, a second shell constituted of ZnS, and a gradient alloy intermediate layer. The core is wrapped by the first shell. The first shell is wrapped by the second shell, and the first and second shells have different materials. The gradient alloy intermediate layer is between the core and the first shell. The gradient layer includes an alloy constituted of In, P, Zn and Se. A content of the In and P gradually decreases from the core to the first shell. A content of the Zn and Se gradually increases from the core to the first shell. A particle size of the quantum dot is greater than or equal to 11 nm. The quantum dot is capable of emitting light upon excitation with a photoluminescence quantum yield equal to or more than 50%.
    Type: Grant
    Filed: November 25, 2020
    Date of Patent: October 11, 2022
    Assignee: Unique Materials Co., Ltd.
    Inventors: Huan-Wei Tseng, Yu-Jui Tseng, Chun-Wei Chou, Chia-Chun Liao, Chia-Yi Tsai, Ting-Yu Huang
  • Publication number: 20220162503
    Abstract: Quantum dot is a semiconductor nanomaterial. The quantum dot includes a core constituted of InP, a first shell constituted of ZnSe, a second shell constituted of ZnS, and a gradient alloy intermediate layer. The core is wrapped by the first shell. The first shell is wrapped by the second shell, and the first and second shells have different materials. The gradient alloy intermediate layer is between the core and the first shell. The gradient layer includes an alloy constituted of In, P, Zn and Se. A content of the In and P gradually decreases from the core to the first shell. A content of the Zn and Se gradually increases from the core to the first shell. A particle size of the quantum dot is greater than or equal to 11 nm. The quantum dot is capable of emitting light upon excitation with a photoluminescence quantum yield equal to or more than 50%.
    Type: Application
    Filed: November 25, 2020
    Publication date: May 26, 2022
    Applicant: Unique Materials Co., Ltd.
    Inventors: Huan-Wei Tseng, Yu-Jui Tseng, Chun-Wei Chou, Chia-Chun Liao, Chia-Yi Tsai, Ting-Yu Huang
  • Patent number: 11209697
    Abstract: Provided is a backlight unit including a light source, an encapsulation layer, and a green quantum dot film. The light source emits a blue light. The encapsulation layer encapsulates the light source. The encapsulation layer includes red phosphors and yellow phosphors. The green quantum dot film is disposed above the light source and the encapsulation layer. The blue light is transmitted through the encapsulation layer and the green quantum dot film to generate a white light. A display device including the said backlight unit is also provided.
    Type: Grant
    Filed: November 30, 2020
    Date of Patent: December 28, 2021
    Assignee: Unique Materials Co., Ltd.
    Inventors: Huan-Wei Tseng, Chun-Wei Chou, Chia-Yi Tsai, Chia-Chun Liao, Shih-Yao Lin, Hsueh-Jen Chang, Li-Sheng Kao
  • Patent number: 10732457
    Abstract: A backlight module includes a transparent substrate, a plurality of light sources on a surface of the transparent substrate, a reflective sheet on a side of the transparent substrate adjacent to the plurality of light sources, and at least one supporting member between the transparent substrate and the reflective sheet. The light sources are configured for emitting light. The reflective sheet is configured for reflecting light toward the transparent substrate. The at least one supporting member is configured for separating the plurality of light sources from the reflective sheet.
    Type: Grant
    Filed: January 29, 2019
    Date of Patent: August 4, 2020
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Ming-Cheng Tai, Li-Chiao Huang, Chia-Yi Tsai, Yao-Pin Hsu
  • Patent number: 10571625
    Abstract: A backlight module includes a substrate, a plurality of light sources on a surface of the substrate, a color conversion layer on a side of the plurality of light sources away from the substrate, and a frame between the substrate and the color conversion layer. Each light source is a light emitting diode chip configured for emitting light of a first color. The color conversion layer is configured for converting light to light of a second color. The frame surrounds the light sources. The frame includes dyes configured to absorb the light of the first color.
    Type: Grant
    Filed: February 15, 2019
    Date of Patent: February 25, 2020
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Chia-Yi Tsai, Yao-Pin Hsu, Li-Chiao Huang, Ming-Cheng Tai
  • Publication number: 20190324194
    Abstract: A backlight module includes a substrate, a plurality of light sources on a surface of the substrate, a color conversion layer on a side of the plurality of light sources away from the substrate, and a frame between the substrate and the color conversion layer. Each light source is a light emitting diode chip configured for emitting light of a first color. The color conversion layer is configured for converting light to light of a second color. The frame surrounds the light sources. The frame includes dyes configured to absorb the light of the first color.
    Type: Application
    Filed: February 15, 2019
    Publication date: October 24, 2019
    Inventors: CHIA-YI TSAI, YAO-PIN HSU, LI-CHIAO HUANG, MING-CHENG TAI
  • Publication number: 20190324324
    Abstract: A backlight module includes a transparent substrate, a plurality of light sources on a surface of the transparent substrate, a reflective sheet on a side of the transparent substrate adjacent to the plurality of light sources, and at least one supporting member between the transparent substrate and the reflective sheet. The light sources are configured for emitting light. The reflective sheet is configured for reflecting light toward the transparent substrate. The at least one supporting member is configured for separating the plurality of light sources from the reflective sheet.
    Type: Application
    Filed: January 29, 2019
    Publication date: October 24, 2019
    Inventors: MING-CHENG TAI, LI-CHIAO HUANG, CHIA-YI TSAI, YAO-PIN HSU
  • Patent number: 9977552
    Abstract: A touch control device includes a touch control circuitry and a plurality of touch control electrodes electrically coupling with the touch control circuitry. Each touch control electrode includes a plurality of micro electrodes. Each micro electrode has a first length along a first direction and a second length along a second direction which is perpendicular to the first direction. Both the first and second lengths are equal to or smaller than 80 micrometer and equal to or larger than 50 micrometers.
    Type: Grant
    Filed: August 25, 2015
    Date of Patent: May 22, 2018
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Yao-Pin Hsu, Chia-Yi Tsai, Li-Chiao Huang
  • Publication number: 20170170241
    Abstract: A display panel includes a first substrate, a lighting device emitting a monochrome light, and a quantum dots layer. The display panel defines a plurality of pixel areas, each pixel area includes a plurality of sub-pixels for correspondingly emitting light of different colors. The quantum dots layer receives the monochrome light and converts the monochrome light to the light of different colors. The light passing through the quantum dots layer is directly emitted into the first sub-pixel, the second sub-pixel, and the third sub-pixel respectively.
    Type: Application
    Filed: February 28, 2017
    Publication date: June 15, 2017
    Inventors: LI-CHIAO HUANG, CHIA-YI TSAI
  • Patent number: 9608236
    Abstract: A display panel includes a lighting device, a color conversion layer, and a reflective sheet. The lighting device at least includes a first lighting part emitting a first light of a first color having a wavelength within the first wavelength range and a second lighting part emitting a second light of the first color having a wavelength within a second wavelength range. The color conversion layer includes a number of bases corresponding to the first lighting part and the second lighting part. The reflective sheet reflects a light having a wavelength within a first wavelength range and lets a light having a wavelength out of the first wavelength range to pass through. The bases corresponding to the first lighting part are doped with a number of quantum dot particles to convert the first light to a third light of a second color.
    Type: Grant
    Filed: April 20, 2015
    Date of Patent: March 28, 2017
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Li-Chiao Huang, Chia-Yi Tsai, Chien-Ming Huang, Kuan-Wei Chou, Shih-Pin Tseng
  • Publication number: 20160349874
    Abstract: A touch control device includes a touch control circuitry and a plurality of touch control electrodes electrically coupling with the touch control circuitry. Each touch control electrode includes a plurality of micro electrodes. Each micro electrode has a first length along a first direction and a second length along a second direction which is perpendicular to the first direction. Both the first and second lengths are equal to or smaller than 80 micrometer and equal to or larger than 50 micrometers.
    Type: Application
    Filed: August 25, 2015
    Publication date: December 1, 2016
    Inventors: YAO-PIN HSU, CHIA-YI TSAI, Ll-CHIAO HUANG
  • Publication number: 20160190515
    Abstract: A display panel includes a lighting device, a color conversion layer, and a reflective sheet. The lighting device at least includes a first lighting part emitting a first light of a first color having a wavelength within the first wavelength range and a second lighting part emitting a second light of the first color having a wavelength within a second wavelength range. The color conversion layer includes a number of bases corresponding to the first lighting part and the second lighting part. The reflective sheet reflects a light having a wavelength within a first wavelength range and lets a light having a wavelength out of the first wavelength range to pass through. The bases corresponding to the first lighting part are doped with a number of quantum dot particles to convert the first light to a third light of a second color.
    Type: Application
    Filed: April 20, 2015
    Publication date: June 30, 2016
    Inventors: LI-CHIAO HUANG, CHIA-YI TSAI, CHIEN-MING HUANG, KUAN-WEI CHOU, SHIH-PIN TSENG
  • Publication number: 20150309368
    Abstract: A display device is provided. The display device includes a display panel and a backlight module. The backlight module is emits light to the display panel. the light emitted from the backlight module includes blue light having a peak wavelength not less than 455. The display device can reduce harmful to eyes of people.
    Type: Application
    Filed: April 22, 2015
    Publication date: October 29, 2015
    Inventors: DING-YIH SU, DENG-KAI CHANG, CHENG-TEH SHAO, LI-CHIAO HUANG, CHIA-YI TSAI, CHIEN-MING HUANG, KUAN-WEI CHOU, PEI-CHUN TSAI, MEI-JUN YEH, YUNG HUNG LIU, YING-YI CHEN, LI-LIEN CHENG
  • Publication number: 20150048348
    Abstract: A display panel includes a first substrate, a lighting device emitting a monochrome light, and a color conversion layer comprising a quantum dots layer. The display panel defines a plurality of pixel areas, each pixel area includes a plurality of sub-pixels for correspondingly emitting light of different colors. The color conversion layer receives the monochrome light and converts the monochrome light to the light of different colors.
    Type: Application
    Filed: August 14, 2014
    Publication date: February 19, 2015
    Inventors: LI-CHIAO HUANG, CHIA-YI TSAI
  • Patent number: 8300161
    Abstract: Display devices for displaying a first and second view are provided. A representative display device includes a color generating layer (CF) and an array layer (AR). The color generating layer incorporates a plurality of color elements arranged in a two-dimensional array extending in a plurality of rows in a horizontal direction (X) and a plurality of columns in a vertical direction (Y). The array layer includes array metal circuitry covering a portion of each of the color elements. The color generating layer includes means for preventing light generated for one of the first and second views from being transmitted by reflection by at least a portion of a surface of the array metal circuitry in a direction of the other of the first and second views.
    Type: Grant
    Filed: April 2, 2007
    Date of Patent: October 30, 2012
    Assignee: Chimei Innolux Corporation
    Inventors: Hendrik Louwsma, Chia-Yi Tsai, Yao-Jen Chang
  • Patent number: 8106872
    Abstract: An image display system includes a white-light source, a green-light source and a plurality of pixels. The white-light source generates white light during a frame time, and the green-light source generates green light during the frame time. Each pixel has a red sub-pixel, a blue sub-pixel and a white sub-pixel.
    Type: Grant
    Filed: January 2, 2008
    Date of Patent: January 31, 2012
    Assignee: Chimei Innolux Corporation
    Inventors: Chia-Yi Tsai, Ya-Chuan Tsai
  • Patent number: 7616278
    Abstract: Systems for displaying images are provided. A representative system comprises a wide viewing angle liquid crystal display with multi-film compensation. A liquid crystal display comprising a first substrate, a second substrate, and a liquid crystal layer sandwiched between the first substrate and the second substrate. A first compensation film is interposed between the first polarizer and the first substrate. A second compensation film interposed between the second polarizer and the second substrate. The first compensation film and the second compensation film comprise different birefringence polarities.
    Type: Grant
    Filed: December 5, 2005
    Date of Patent: November 10, 2009
    Assignee: TPO Displays Corp.
    Inventors: Chia-Yi Tsai, Li-Sen Chuang, Yih-Jun Wong
  • Patent number: 7554619
    Abstract: The invention discloses a stacked storage capacitor structure for a LTPS TFT-LCD comprising a processed substrate, a first storage capacitor and a second storage capacitor. The first storage capacitor comprises a first conductive layer, a second conductive layer and a first insulating layer therebetween. The stacked storage capacitor structure further comprises a third conductive layer including a first portion and an extended second portion. The second storage capacitor comprises the second conductive layer, the extended second portion of the third conductive layer and a second insulating layer therebetween.
    Type: Grant
    Filed: December 5, 2005
    Date of Patent: June 30, 2009
    Assignee: TPO Displays Corp.
    Inventors: Mu-Chia Lee, Chun-Wei Huang, Hung-Che Lu, Kuo-Hung Kuo, Hong-Bin Li, Wen-Kuei Lai, Chia-Yi Tsai, Yu-Chi Chang, Hau-Chiun Li, Wei-Chih Chang
  • Patent number: 7499116
    Abstract: Systems for displaying images including a micro-reflective transmission liquid crystal display with improved reflection and reflective contrast ratio (CR). The micro-reflective transmission liquid crystal display comprises a first substrate, a second substrate, and a liquid crystal layer interposed between the first substrate and the second substrate. The first substrate comprises an array of three primary color sub-pixel regions and a white sub-pixel region. Each pixel region has a transistor and a storage capacitor with respect to the transistor. The storage capacitor with respect to the storage capacitor of the white sub-pixel region is disposed within the area of one of the three primary color sub-pixel regions.
    Type: Grant
    Filed: April 11, 2006
    Date of Patent: March 3, 2009
    Assignee: TPO Displays Corp.
    Inventors: Chia-Yi Tsai, Mu-Chia Lee, Shih-Chang Chang
  • Publication number: 20080165102
    Abstract: An image display system includes a white-light source, a green-light source and a plurality of pixels. The white-light source generates white light during a frame time, and the green-light source generates green light during the frame time. Each pixel has a red sub-pixel, a blue sub-pixel and a white sub-pixel.
    Type: Application
    Filed: January 2, 2008
    Publication date: July 10, 2008
    Inventors: Chia-Yi TSAI, Ya-Chuan Tsai