Patents by Inventor Wei-Chen Tsai

Wei-Chen 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).

  • Publication number: 20250095596
    Abstract: A display device including an element array substrate, an electrophoretic display substrate and a humidity sensor is provided. The electrophoretic display substrate is disposed on the element array substrate. The humidity sensor includes a conductive pattern disposed on a side of the element array substrate adjacent to the electrophoretic display substrate. A driving method of the display device is also provided.
    Type: Application
    Filed: August 5, 2024
    Publication date: March 20, 2025
    Applicant: E Ink Holdings Inc.
    Inventors: Hsien-Kai Tseng, Wei-Chen Tsai, Sheng-Wei Chen, Chi-Mao Hung
  • Publication number: 20240321901
    Abstract: A display device includes an array substrate and a driving circuit. The array substrate includes active elements, a first scan line, a second scan line, a third scan line disposed between the first scan line and the second scan line, and a first selection line electrically connected to the first scan line and the second scan line. The active elements include a first active element and a second active element electrically connected to the first scan line, and a third active element and a fourth active element electrically connected to the second scan line. The driving circuit provides a first scan signal transmitted to the first scan line and the second scan line through the first selection line to control the first active element, the second active element, the third active element and the fourth active element.
    Type: Application
    Filed: March 8, 2024
    Publication date: September 26, 2024
    Inventors: Hsien-Kai TSENG, Wei-Chen TSAI, Jia-Hung CHEN, Pei-Ju WU
  • 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
  • Patent number: 9671666
    Abstract: A color display apparatus includes a driving substrate, a color filter, a display layer and an adhesive. The color filter is faced to the driving substrate. The color filter includes a substrate and a filter layer, and the filter layer is disposed on the substrate and faced to the driving substrate. The display layer is disposed between the driving substrate and the color filter, and an orthographic projection of the display layer projecting on the filter layer is surrounded by a periphery boundary of the filter layer. An interval is existed between the orthographic projection of the display layer projecting on the filter layer and the periphery boundary of the filter layer. Besides, the adhesive is disposed between the display layer and the color filter, and a periphery boundary of the display layer and the periphery boundary of the filter layer are surrounded by the adhesive.
    Type: Grant
    Filed: November 28, 2011
    Date of Patent: June 6, 2017
    Assignee: E INK HOLDINGS INC.
    Inventors: Wei-Chen Tsai, Chih-Yu Peng, Lee-Tyng Chen, Tung-Liang Lin
  • Publication number: 20160223879
    Abstract: A color display apparatus is provided. The color display apparatus includes a black-and-white display module and a color filter layer, wherein the color filter layer is disposed on the black-and-white display module. The color filter layer includes a translucent base and a plurality of color filter patterns, wherein the translucent base is disposed on the black-and-white display module. The color filter patterns are embedded in the translucent base, and a first surface of each color filter pattern away from the black-and-white display module is exposed from a second surface of the translucent base away from the black-and-white display module, wherein the first surfaces and the second surface are coplanar, and the first surfaces and the second surface are in contact with a dielectric gas or covered by a protective layer. A manufacture method for the color display apparatus is also provided.
    Type: Application
    Filed: July 24, 2015
    Publication date: August 4, 2016
    Inventor: WEI-CHEN TSAI
  • 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: 8531631
    Abstract: A color display apparatus includes a driving substrate, a color filter and a display layer. The driving substrate has a display region and a non-display region, and at least a first alignment mark is disposed on the non-display region. The color filter is opposite to the driving substrate. The color filter includes a substrate and a filter layer disposed on the substrate. The substrate has a first region corresponding to the display region and a second region corresponding to the non-display region. The filter layer includes color filter patterns located on the first region and at least a second alignment mark located on the second region and corresponding to the first alignment mark. The display layer is disposed between the driving substrate and the color filter. Alignment precision between the driving substrate and the color filter of the color display apparatus is improved. Besides, a color filter is also provided.
    Type: Grant
    Filed: October 28, 2011
    Date of Patent: September 10, 2013
    Assignee: E Ink Holdings Inc.
    Inventors: Wei-Chen Tsai, Chih-Yu Peng
  • Patent number: 8368863
    Abstract: A liquid crystal display (LCD) panel including a first substrate, a second substrate, a liquid crystal layer, a photo-curable sealant, and a first light-shielding pattern is provided. The liquid crystal layer is disposed between the first substrate and the second substrate. The photo-curable sealant is disposed between the first substrate and the second substrate, wherein the photo-curable sealant surrounds and is in contact with the liquid crystal layer. The first light-shielding pattern is disposed on the first substrate, wherein a portion of the sidewall of the first light-shielding pattern is substantially aligned with a portion of the sidewall of the first substrate, and the first light-shielding pattern is only overlapped with an outer edge of the photo-curable sealant or is not overlapped with the photo-curable sealant.
    Type: Grant
    Filed: October 19, 2010
    Date of Patent: February 5, 2013
    Assignee: Au Optronics Corporation
    Inventors: Wei-Chieh Yang, Wen-Yi Hsu, Wei-Yi Chien, Mei-Lien Huang, Wei-Chen Tsai, Yu-Chen Liu, Chih-Hsiao Tseng
  • Publication number: 20120249447
    Abstract: A touch panel includes a first substrate, a color filter layer, several spacers, a first transparent electrode layer and a second transparent electrode layer. The color filter layer is located on the first substrate and the spacers are also located on the first substrate. The first transparent electrode layer covers the color filter layer and some of the spacers, in which the spacers covered by the first transparent electrode layer form several touch sensors. The second transparent electrode layer is disposed corresponding to the first transparent electrode layer. When the touch panel is touched to make the first transparent electrode layer sink such that the first transparent electrode contacts with the second transparent electrode layer, a voltage signal identifying the touched location is generated.
    Type: Application
    Filed: January 19, 2012
    Publication date: October 4, 2012
    Inventor: Wei-Chen TSAI
  • Publication number: 20120229740
    Abstract: A color display apparatus includes a driving substrate, a color filter and a display layer. The driving substrate has a display region and a non-display region, and at least a first alignment mark is disposed on the non-display region. The color filter is opposite to the driving substrate. The color filter includes a substrate and a filter layer disposed on the substrate. The substrate has a first region corresponding to the display region and a second region corresponding to the non-display region. The filter layer includes color filter patterns located on the first region and at least a second alignment mark located on the second region and corresponding to the first alignment mark. The display layer is disposed between the driving substrate and the color filter. Alignment precision between the driving substrate and the color filter of the color display apparatus is improved. Besides, a color filter is also provided.
    Type: Application
    Filed: October 28, 2011
    Publication date: September 13, 2012
    Applicant: E Ink Holdings Inc.
    Inventors: WEI-CHEN TSAI, Chih-Yu Peng
  • Publication number: 20120229741
    Abstract: A color display apparatus includes a driving substrate, a color filter, a display layer and an adhesive. The color filter is faced to the driving substrate. The color filter includes a substrate and a filter layer, and the filter layer is disposed on the substrate and faced to the driving substrate. The display layer is disposed between the driving substrate and the color filter, and an orthographic projection of the display layer projecting on the filter layer is surrounded by a periphery boundary of the filter layer. An interval is existed between the orthographic projection of the display layer projecting on the filter layer and the periphery boundary of the filter layer. Besides, the adhesive is disposed between the display layer and the color filter, and a periphery boundary of the display layer and the periphery boundary of the filter layer are surrounded by the adhesive.
    Type: Application
    Filed: November 28, 2011
    Publication date: September 13, 2012
    Applicant: E Ink Holdings Inc.
    Inventors: WEI-CHEN TSAI, Chih-Yu Peng, Lee-Tyng Chen, Tung-Liang Lin
  • Publication number: 20120154344
    Abstract: An electric paper display apparatus includes a substrate, a display layer and a protective layer. The display layer is disposed on the substrate. The protective layer is disposed on the display layer. The protective layer includes a bottom surface facing to the display layer and a plurality of color filter patterns disposed on the bottom surface. It does not need to dispose a color filter substrate on the protective layer of the electric paper display apparatus, so a cost and a thickness of the electric paper display apparatus can be reduced.
    Type: Application
    Filed: April 20, 2011
    Publication date: June 21, 2012
    Applicant: E Ink Holdings Inc.
    Inventors: Chih-Yu Peng, Wei-Chen Tsai, Lee-Tyng Chen
  • Patent number: 8159468
    Abstract: An embedded touch display panel including a first substrate and a second substrate is provided. The first substrate having a displaying region and a sensing region includes a stack structure, a first conductive layer and a first alignment layer. The stack structure disposed on the first substrate within the sensing region includes a protruding structure and a first rough structure disposed on the protruding structure. The first conductive layer conformally disposed on the stack structure has a first rough surface. The first rough surface is exposed from the first alignment layer that covers the first conductive layer. The second substrate includes a second conductive layer and a second alignment layer. The second conductive layer whose position corresponds to the sensing region is disposed on the second structure. A portion of the second conductive layer corresponding to the first rough surface is exposed from the second alignment layer covering thereon.
    Type: Grant
    Filed: May 5, 2009
    Date of Patent: April 17, 2012
    Assignee: Au Optronics Corp.
    Inventors: Yu-Feng Chien, Zeng-De Chen, Wei-Chen Tsai, Mei-Sheng Ma, Shih-Yu Wang, Tun-Chun Yang, Seok-Lyul Lee, Wei-Ming Huang
  • Publication number: 20120026449
    Abstract: A liquid crystal display (LCD) panel including a first substrate, a second substrate, a liquid crystal layer, a photo-curable sealant, and a first light-shielding pattern is provided. The liquid crystal layer is disposed between the first substrate and the second substrate. The photo-curable sealant is disposed between the first substrate and the second substrate, wherein the photo-curable sealant surrounds and is in contact with the liquid crystal layer. The first light-shielding pattern is disposed on the first substrate, wherein a portion of the sidewall of the first light-shielding pattern is substantially aligned with a portion of the sidewall of the first substrate, and the first light-shielding pattern is only overlapped with an outer edge of the photo-curable sealant or is not overlapped with the photo-curable sealant.
    Type: Application
    Filed: October 19, 2010
    Publication date: February 2, 2012
    Applicant: AU OPTRONICS CORPORATION
    Inventors: Wei-Chieh Yang, Wen-Yi Hsu, Wei-Yi Chien, Mei-Lien Huang, Wei-Chen Tsai, Yu-Chen Liu, Chih-Hsiao Tseng
  • Patent number: 8107774
    Abstract: An image data processing method is provided. In this method, a plurality of original pixel values of an image is input. An interpolation position of a target pixel in the image is determined. Whether the interpolation position is in a central region of an object or in a marginal region of an object is determined. A pixel value interpolation with respect to the interpolation position is performed. When the interpolation position is in the central region of an object, the pixel value interpolation is performed in a first calculation mode, and when the interpolation position is in the marginal region of an object, the pixel value interpolation is performed in a second calculation mode, wherein the first calculation mode may be a low pass filtering interpolation mode, and the second calculation mode may be a linear interpolation mode.
    Type: Grant
    Filed: October 5, 2007
    Date of Patent: January 31, 2012
    Assignee: Novatek Microelectronics Corp.
    Inventors: Po-Chin Hu, Ming-Yu Lin, Wei-Chen Tsai
  • Patent number: 7742131
    Abstract: A method for fabricating a color filter substrate including the following procedures is provided. First, a substrate is provided and a color filter layer is formed thereon. Next, a plurality of sensing spacers is formed on a part of the color filter layer. Then, a planarization layer is formed to cover the color filter layer and expose the sensing spacers. Next, an electrode layer is formed to cover the planarization layer and the sensing spacers. After that, a plurality of main spacers is formed on a part of the electrode layer excluding disposing regions of the sensing spacers, wherein a step height is formed between the main spacers and the electrode layer above sensing spacers.
    Type: Grant
    Filed: October 1, 2008
    Date of Patent: June 22, 2010
    Assignee: Au Optronics Corporation
    Inventors: Wei-Chen Tsai, Shih-Yu Wang
  • Publication number: 20100026658
    Abstract: An embedded touch display panel including a first substrate and a second substrate is provided. The first substrate having a displaying region and a sensing region includes a stack structure, a first conductive layer and a first alignment layer. The stack structure disposed on the first substrate within the sensing region includes a protruding structure and a first rough structure disposed on the protruding structure. The first conductive layer conformally disposed on the stack structure has a first rough surface. The first rough surface is exposed from the first alignment layer that covers the first conductive layer. The second substrate includes a second conductive layer and a second alignment layer. The second conductive layer whose position corresponds to the sensing region is disposed on the second structure. A portion of the second conductive layer corresponding to the first rough surface is exposed from the second alignment layer covering thereon.
    Type: Application
    Filed: May 5, 2009
    Publication date: February 4, 2010
    Applicant: AU OPTRONICS CORP.
    Inventors: Yu-Feng Chien, Zeng-De Chen, Wei-Chen Tsai, Mei-Sheng Ma, Shih-Yu Wang, Tun-Chun Yang, Seok-Lyul Lee, Wei-Ming Huang
  • Publication number: 20090268131
    Abstract: A method for fabricating a color filter substrate including the following procedures is provided. First, a substrate is provided and a color filter layer is formed thereon. Next, a plurality of sensing spacers is formed on a part of the color filter layer. Then, a planarization layer is formed to cover the color filter layer and expose the sensing spacers. Next, an electrode layer is formed to cover the planarization layer and the sensing spacers. After that, a plurality of main spacers is formed on a part of the electrode layer excluding disposing regions of the sensing spacers, wherein a step height is formed between the main spacers and the electrode layer above sensing spacers.
    Type: Application
    Filed: October 1, 2008
    Publication date: October 29, 2009
    Applicant: AU OPTRONICS CORPORATION
    Inventors: Wei-Chen Tsai, Shih-Yu Wang
  • Publication number: 20090225045
    Abstract: A touch panel includes a first base having a first portion and a second portion; a first electrode disposed on the first base; a second base opposite to the first base; a second electrode disposed on the second case; and a sealant substantially disposed on the boundary of the first base to connect the first base and the second base, wherein at lease a part of the second portion is located between active area and the sealant, and the thickness of the second portion is smaller than that of the first portion.
    Type: Application
    Filed: April 14, 2008
    Publication date: September 10, 2009
    Applicant: AU OPTRONICS CORP.
    Inventors: Chung-Wei Liu, Wei-Chen Tsai, Shih-Yu Wang
  • Publication number: 20090010569
    Abstract: An image data processing method is provided. In this method, a plurality of original pixel values of an image is input. An interpolation position of a target pixel in the image is determined. Whether the interpolation position is in a central region of an object or in a marginal region of an object is determined. A pixel value interpolation with respect to the interpolation position is performed. When the interpolation position is in the central region of an object, the pixel value interpolation is performed in a first calculation mode, and when the interpolation position is in the marginal region of an object, the pixel value interpolation is performed in a second calculation mode, wherein the first calculation mode may be a low pass filtering interpolation mode, and the second calculation mode may be a linear interpolation mode.
    Type: Application
    Filed: October 5, 2007
    Publication date: January 8, 2009
    Applicant: Novatek Microelectronics Corp.
    Inventors: Po-Chin Hu, Ming-Yu Lin, Wei-Chen Tsai