Patents by Inventor Po-Yuan Lo

Po-Yuan Lo 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: 10423028
    Abstract: A display apparatus includes a first substrate, a plurality of sub-pixel structures, a color filter array, and a display layer. The sub-pixel structures are disposed on the first substrate, and each of the sub-pixel structures includes at least two sub-pixel sub-structures. The color filter array is disposed above the sub-pixel structures, and includes a plurality of filter units. The filter units are divided into a plurality of groups having different colors, and the filter units belonging to the groups having different colors are alternately disposed above the sub-pixel structures. Each of the filter units corresponds to the at least two sub-pixel sub-structures of at least one sub-pixel structure, and the at least two sub-pixel sub-structures of the same sub-pixel structure are adapted to be applied different voltages. The display layer is disposed on the sub-pixel structures.
    Type: Grant
    Filed: March 1, 2018
    Date of Patent: September 24, 2019
    Assignee: E Ink Holdings Inc.
    Inventors: Po-Yuan Lo, Tai-Yuan Lee
  • Publication number: 20190228715
    Abstract: A reflective color electrophoresis display device includes a plurality of sub-pixel structures, and each of the sub-pixel structures includes a columnar body, an electronic ink layer, two electrodes and a rotation control unit. The columnar body includes at least one spacer radially disposed to divide the columnar body into at least two portions. The electronic ink layer is disposed over one of the at least two portions of the columnar body, and the electronic ink layer contains two different color particles. The two electrodes electrically connect the electronic ink layer to control movement of the two different color particles. The rotation control unit is configured to control rotation of the columnar body.
    Type: Application
    Filed: January 4, 2019
    Publication date: July 25, 2019
    Inventors: Po-Yuan LO, Tai-Yuan LEE
  • Publication number: 20190214463
    Abstract: A tunneling transistor and a method of fabricating the same, the tunneling transistor includes a fin shaped structure, a source structure and a drain structure, and a gate structure. The fin shaped structure is disposed in a substrate, and the source structure and the drain structure are disposed the fin shaped structure, wherein an entirety of the source structure and an entirety of the drain structure being of complementary conductivity types with respect to one another and having different materials. A channel region is disposed in the fin shaped structure between the source structure and the drain structure and the gate structure is disposed on the channel region. That is, a hetero tunneling junction is vertically formed between the channel region and the source structure, and between the channel region and the drain structure in the fin shaped structure.
    Type: Application
    Filed: March 14, 2019
    Publication date: July 11, 2019
    Inventors: Cheng-Guo Chen, Kun-Yuan Wu, Tai-You Chen, Chiu-Sheng Ho, Po-Kang Yang, Ta-Kang Lo
  • Publication number: 20180246388
    Abstract: An electrophoretic display apparatus including a driving array substrate, a color filter layer, and an electrophoretic display film is provided. The driving array substrate has a plurality of display units. The color filter layer is disposed on the driving array substrate. The color filter layer includes a plurality of color filter patterns. Each of the display units corresponds to the color filter patterns of two different colors. The electrophoretic display film is between the driving array substrate and the color filter layer. The electrophoretic display film includes a plurality of display mediums. Each of the display mediums includes an electrophoretic liquid, a plurality of color charged particles, a plurality of black charged particles, and a plurality of white charged particles. A color of the color charged particles is different from colors of the color filter patterns.
    Type: Application
    Filed: November 16, 2017
    Publication date: August 30, 2018
    Applicant: E Ink Holdings Inc.
    Inventors: Po-Yuan Lo, Lee-Tyng Chen
  • Patent number: 10025156
    Abstract: A display panel includes a flexible substrate, a first conductive layer, an insulating layer, a second conductive layer and a display layer. The flexible substrate includes a central area and at least one peripheral area. The first conductive layer is disposed on the flexible substrate. The insulating layer is disposed on the first conductive layer. The insulating layer includes a central insulating portion and at least one peripheral insulating portion. The peripheral insulating portion is located above the peripheral area. The central insulating portion is located above the central area. The peripheral insulating portion is more flexible than the central insulating portion. The second conductive layer is disposed on the insulating layer, and the insulating layer separates the first conductive layer from the second conductive layer. The display layer is disposed on the second conductive layer.
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: July 17, 2018
    Assignee: E Ink Holdings Inc.
    Inventors: Po-Yuan Lo, Lee-Tyng Chen
  • Publication number: 20180188596
    Abstract: A display apparatus includes a first substrate, a plurality of sub-pixel structures, a color filter array, and a display layer. The sub-pixel structures are disposed on the first substrate, and each of the sub-pixel structures includes at least two sub-pixel sub-structures. The color filter array is disposed above the sub-pixel structures, and includes a plurality of filter units. The filter units are divided into a plurality of groups having different colors, and the filter units belonging to the groups having different colors are alternately disposed above the sub-pixel structures. Each of the filter units corresponds to the at least two sub-pixel sub-structures of at least one sub-pixel structure, and the at least two sub-pixel sub-structures of the same sub-pixel structure are adapted to be applied different voltages. The display layer is disposed on the sub-pixel structures.
    Type: Application
    Filed: March 1, 2018
    Publication date: July 5, 2018
    Applicant: E Ink Holdings Inc.
    Inventors: Po-Yuan Lo, Tai-Yuan Lee
  • Patent number: 9964830
    Abstract: An electrophoretic display apparatus includes a first substrate, a plurality of sub-pixel structures, a color filter array, and an electrophoretic layer. The sub-pixel structures are disposed on the first substrate, and each of the sub-pixel structures includes a plurality of sub-pixel sub-structures. The color filter array is disposed above the sub-pixel structures, and includes a plurality of filter units. The filter units are divided into a plurality of groups having different colors, and the filter units belonging to the groups having different colors are alternately disposed above the sub-pixel structures. Each of the filter units corresponds to the sub-pixel sub-structures of at least one sub-pixel structure, and at least two of the sub-pixel sub-structures of the same sub-pixel structure are adapted to be applied different voltages. The electrophoretic layer is disposed on the sub-pixel structures.
    Type: Grant
    Filed: April 21, 2015
    Date of Patent: May 8, 2018
    Assignee: E Ink Holdings Inc.
    Inventors: Po-Yuan Lo, Tai-Yuan Lee
  • Patent number: 9904141
    Abstract: A reflective display device includes an electrophoretic display (EPD) module, a supporting member, a first anti-reflective layer, and a color filter (CFA) layer. The EPD module includes an array substrate, a protective layer, and an electronic ink (e-ink) layer. The e-ink layer is between the array substrate and the protective layer. The supporting member has a first surface and a second surface opposite to the first surface. The first anti-reflective layer is located on the first surface of the supporting member and in contact with the supporting member. The thickness of the first anti-reflective layer is ¼ wavelength of a visible light. The CFA layer is between the protective layer and the second surface of the supporting member.
    Type: Grant
    Filed: August 13, 2015
    Date of Patent: February 27, 2018
    Assignee: E Ink Holdings Inc.
    Inventors: Po-Yuan Lo, Wei-Chen Tsai
  • Publication number: 20180039150
    Abstract: An electrophoretic display device includes an electrophoretic display module, a color filter layer, a first adhesive layer, a first protection layer, a second adhesive layer, and a second protection layer. The electrophoretic display module has a first surface and a second surface. The color filter layer is located on the first surface of the electrophoretic display module. The first adhesive layer is located on the color filter layer and between the first protection layer and the color filter layer. The second adhesive layer is located on the second surface of the electrophoretic display module and between the second protection layer and the electrophoretic display module.
    Type: Application
    Filed: May 16, 2017
    Publication date: February 8, 2018
    Inventors: Po-Yuan LO, Tai-Yuan LEE
  • Patent number: 9823537
    Abstract: A reflective display device includes an electrophoretic display module, an adhesive layer, and a color filter layer. The adhesive layer is located on the electrophoretic display module. The color filter layer is located on the adhesive layer, and the adhesive layer is between the electrophoretic display module and the color filter layer. The color filter layer includes at least one color resist. The color resist has at least one opening, such that light can pass through the opening.
    Type: Grant
    Filed: May 2, 2016
    Date of Patent: November 21, 2017
    Assignee: E Ink Holdings Inc.
    Inventors: Po-Yuan Lo, Tai-Yuan Lee, Hsiao-Tung Chu
  • Patent number: 9664826
    Abstract: A color filter substrate includes a transparent substrate and a plurality of color filter patterns. The transparent substrate has an upper surface and a lower surface opposite to each other, and a plurality of containing cavities. The containing cavities extend from the upper surface toward the lower surface and separate from each other. Each containing cavity has a bottom surface. The color filter patterns are disposed on the transparent substrate and located inside the containing cavities, respectively. The color filter patterns contact with the corresponding bottom surfaces, respectively.
    Type: Grant
    Filed: May 12, 2014
    Date of Patent: May 30, 2017
    Assignee: E Ink Holdings Inc.
    Inventors: Tai-Yuan Lee, Po-Yuan Lo
  • Publication number: 20170031227
    Abstract: A reflective display device includes an electrophoretic display module, an adhesive layer, and a color filter layer. The adhesive layer is located on the electrophoretic display module. The color filter layer is located on the adhesive layer, and the adhesive layer is between the electrophoretic display module and the color filter layer. The color filter layer includes at least one color resist.
    Type: Application
    Filed: May 2, 2016
    Publication date: February 2, 2017
    Inventors: Po-Yuan LO, Tai-Yuan LEE, Hsiao-Tung CHU
  • Publication number: 20160291438
    Abstract: A display panel includes a flexible substrate, a first conductive layer, an insulating layer, a second conductive layer and a display layer. The flexible substrate includes a central area and at least one peripheral area. The first conductive layer is disposed on the flexible substrate. The insulating layer is disposed on the first conductive layer. The insulating layer includes a central insulating portion and at least one peripheral insulating portion. The peripheral insulating portion is located above the peripheral area. The central insulating portion is located above the central area. The peripheral insulating portion is more flexible than the central insulating portion. The second conductive layer is disposed on the insulating layer, and the insulating layer separates the first conductive layer from the second conductive layer. The display layer is disposed on the second conductive layer.
    Type: Application
    Filed: December 18, 2015
    Publication date: October 6, 2016
    Inventors: Po-Yuan LO, Lee-Tyng CHEN
  • Publication number: 20160170281
    Abstract: A reflective display device includes an electrophoretic display (EPD) module, a supporting member, a first anti-reflective layer, and a color filter (CFA) layer. The EPD module includes an array substrate, a protective layer, and an electronic ink (e-ink) layer. The e-ink layer is between the array substrate and the protective layer. The supporting member has a first surface and a second surface opposite to the first surface. The first anti-reflective layer is located on the first surface of the supporting member and in contact with the supporting member. The thickness of the first anti-reflective layer is ¼ wavelength of a visible light. The CFA layer is between the protective layer and the second surface of the supporting member.
    Type: Application
    Filed: August 13, 2015
    Publication date: June 16, 2016
    Inventors: Po-Yuan LO, Wei-Chen TSAI
  • Patent number: 9316885
    Abstract: A display device including a first substrate, a second substrate, a display layer, a color filter layer, a transparent electrode layer and a transparent sealing is provided. The first substrate is opposite to the second substrate. The display layer is disposed between the first substrate and the second substrate. The color filter layer is disposed between the display layer and the first substrate. The transparent electrode layer is disposed between the color filter layer and the display layer. The transparent sealing surrounds the display layer so that the display layer is sealed between the first substrate and the second substrate, wherein a curable temperature of the transparent sealing is lower than or equal to 40° C. A fabrication method of a display device is further provided herein.
    Type: Grant
    Filed: November 13, 2013
    Date of Patent: April 19, 2016
    Assignee: E Ink Holdings Inc.
    Inventors: Po-Yuan Lo, Tai-Yuan Lee
  • Publication number: 20150301424
    Abstract: An electrophoretic display apparatus includes a first substrate, a plurality of sub-pixel structures, a color filter array, and an electrophoretic layer. The sub-pixel structures are disposed on the first substrate, and each of the sub-pixel structures includes a plurality of sub-pixel sub-structures. The color filter array is disposed above the sub-pixel structures, and includes a plurality of filter units. The filter units are divided into a plurality of groups having different colors, and the filter units belonging to the groups having different colors are alternately disposed above the sub-pixel structures. Each of the filter units corresponds to the sub-pixel sub-structures of at least one sub-pixel structure, and at least two of the sub-pixel sub-structures of the same sub-pixel structure are adapted to be applied different voltages. The electrophoretic layer is disposed on the sub-pixel structures.
    Type: Application
    Filed: April 21, 2015
    Publication date: October 22, 2015
    Inventors: Po-Yuan Lo, Tai-Yuan Lee
  • Publication number: 20150287763
    Abstract: A pixel array includes a substrate and color filter patterns. The substrate has pixel areas. Each of the pixel areas has a first sub-pixel region, a second sub-pixel region, a third sub-pixel region and a fourth sub-pixel region. The first, the second, the third and the fourth sub-pixel regions are arranged sequentially in the clockwise direction. The color filter patterns are disposed on the pixel areas of the substrate and located in the first, the second, the third and the fourth sub-pixel regions. The color filter patterns located in the first, the second, the third and the fourth sub-pixel regions of each of the pixel areas respectively have different colors. The color filter patterns respectively disposed in four adjacent pixel areas and located in the first, the second, the third and the fourth sub-pixel regions adjacent to each other and arranged in the clockwise direction have the same color.
    Type: Application
    Filed: January 14, 2015
    Publication date: October 8, 2015
    Inventors: Pei-Lin Huang, Po-Yuan Lo, Yu-Nan Pao, Ya-Wen Lin
  • Publication number: 20150146146
    Abstract: A color filter substrate includes a transparent substrate and a plurality of color filter patterns. The transparent substrate has an upper surface and a lower surface opposite to each other, and a plurality of containing cavities. The containing cavities extend from the upper surface toward the lower surface and separate from each other. Each containing cavity has a bottom surface. The color filter patterns are disposed on the transparent substrate and located inside the containing cavities, respectively. The color filter patterns contact with the corresponding bottom surfaces, respectively.
    Type: Application
    Filed: May 12, 2014
    Publication date: May 28, 2015
    Applicant: E Ink Holdings Inc.
    Inventors: Tai-Yuan Lee, Po-Yuan Lo
  • Publication number: 20150138246
    Abstract: A color reflective display device includes a plurality of color sub-pixels and a control circuit. The control circuit is configured to provide a first driving signal to at least one of a plurality of mini-pixels of a first color sub-pixel, such that the at least one of mini-pixels receiving the first driving signal displays a first color, provide a second driving signal to another at least one of the mini-pixels of the first color sub-pixel, such that the another at least one of the mini-pixels receiving the second driving signal displays a second color, and provide a third driving signal to a second color sub-pixel of the color sub-pixels, such that the second color sub-pixel displays a third color.
    Type: Application
    Filed: June 17, 2014
    Publication date: May 21, 2015
    Inventors: Po-Yuan LO, Tai-Yuan LEE, Pei-Lin HUANG
  • Patent number: 8928968
    Abstract: An electrophoretic display panel including a transparent substrate, an active element array, a protective layer, plural electrophoretic display media and a transparent conductive layer is provided. The transparent substrate has an upper surface, a lower surface, plural first cavities located on the upper surface and plural second cavities located on the lower surface. The active element array is disposed on the upper surface and covers the upper surface and the first cavities. The protective layer is disposed on the upper surface and covers at least the active element array. The electrophoretic display media and the transparent conductive layer are disposed on the lower surface. The electrophoretic display media and the active element array overlap in at least a portion of their orthographic projections on the upper surface of the transparent substrate. The electrophoretic display media are located between the transparent conductive layer and the lower surface of the transparent substrate.
    Type: Grant
    Filed: November 6, 2012
    Date of Patent: January 6, 2015
    Assignee: E Ink Holdings Inc.
    Inventor: Po-Yuan Lo