Patents by Inventor Zong-Ru Tu

Zong-Ru Tu 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: 10777609
    Abstract: An optical device is provided. The optical device includes a central region having a plurality of central pixels, a first region having a plurality of first pixels, a second region having a plurality of second pixels, an organic layer formed in the central region, the first region and the second region, a light collection layer surrounded by the organic layer formed in the first region and the second region, a first light collection element of the light collection layer formed in the first pixel, and a second light collection element of the light collection layer formed in the second pixel. The central region, the first region and the second region are spaced from each other along an arrangement direction, and the first region is closer to the central region than the second region. The first light collection element is different from the second light collection element.
    Type: Grant
    Filed: April 1, 2019
    Date of Patent: September 15, 2020
    Assignee: VISERA TECHNOLOGIES COMPANY LIMITED
    Inventor: Zong-Ru Tu
  • Patent number: 10686000
    Abstract: A solid-state imaging device includes multiple photoelectric conversion elements arrayed in a pixel array. The solid-state imaging device also includes a color filter layer having multiple color filter segments above the photoelectric conversion elements. Each of the color filter segments is disposed in a respective pixel of the pixel array. The solid-state imaging device further includes an optical waveguide layer over the color filter layer. The optical waveguide layer includes a waveguide partition grid and a waveguide material in the spaces of the waveguide partition grid. The waveguide material has a refractive index that is higher than the refractive index of the waveguide partition grid. The waveguide material provides the same refractive index for each pixel of the pixel array.
    Type: Grant
    Filed: April 12, 2019
    Date of Patent: June 16, 2020
    Assignee: VISERA TECHNOLOGIES COMPANY LIMITED
    Inventors: Cheng-Hsuan Lin, Zong-Ru Tu, Yu-Chi Chang, Ching-Hua Li
  • Patent number: 10684400
    Abstract: An optical element is provided. The optical element includes a substrate, a plurality of metal grids formed on the substrate, a patterned first organic layer formed on the plurality of metal grids, a color filter surrounded by the patterned first organic layer, a second organic layer formed on the patterned first organic layer and the color filter, and a light collection layer surrounded by the second organic layer and corresponding to the color filter. The refractive index of the light collection layer is greater than that of the second organic layer. A method for fabricating the optical element is also provided.
    Type: Grant
    Filed: August 3, 2018
    Date of Patent: June 16, 2020
    Assignee: VisEra Technologies Company Limited
    Inventor: Zong-Ru Tu
  • Patent number: 10566365
    Abstract: An image sensor includes a sensing layer, a first microlens, and a number of second microlenses. The first microlens is disposed on the sensing layer. The second microlenses are disposed on the sensing layer adjacent to the first microlens. The diameter of the first microlens is greater than the diameter of each of the second microlenses.
    Type: Grant
    Filed: May 27, 2015
    Date of Patent: February 18, 2020
    Assignee: VISERA TECHNOLOGIES COMPANY LIMITED
    Inventors: Li-Wei Chen, Chi-Han Lin, Zong-Ru Tu
  • Publication number: 20200041775
    Abstract: An optical element is provided. The optical element includes a substrate, a plurality of metal grids formed on the substrate, a patterned organic layer formed on the plurality of metal grids, a color filter surrounded by the patterned organic layer, and a light collection layer formed between the color filter and the substrate, and surrounded by the patterned organic layer. The refractive index of the light collection layer is greater than that of the patterned organic layer.
    Type: Application
    Filed: August 2, 2018
    Publication date: February 6, 2020
    Inventor: Zong-Ru TU
  • Publication number: 20200041705
    Abstract: An optical element is provided. The optical element includes a substrate, a plurality of metal grids formed on the substrate, a patterned first organic layer formed on the plurality of metal grids, a color filter surrounded by the patterned first organic layer, a second organic layer formed on the patterned first organic layer and the color filter, and a light collection layer surrounded by the second organic layer and corresponding to the color filter. The refractive index of the light collection layer is greater than that of the second organic layer. A method for fabricating the optical element is also provided.
    Type: Application
    Filed: August 3, 2018
    Publication date: February 6, 2020
    Inventor: Zong-Ru TU
  • Patent number: 10488639
    Abstract: A detection device for specimens includes an image sensor, a light-guiding structure, and a carrier. The image sensor includes a sensing area and a non-sensing area around the sensing area. The light-guiding structure is disposed on the image sensor. The light-guiding structure includes a central guiding portion, a reflection layer, and first guiding portions. The central guiding portion is located over the sensing area. The reflection layer is disposed on the image sensor and includes channels located over the non-sensing area. The first guiding portions are located in the channels, and connected to the central guiding portion and a side surface of the light-guiding structure. The carrier is disposed on the light-guiding structure, and has wells located over the sensing area. Each of the wells is configured to receive a specimen.
    Type: Grant
    Filed: October 8, 2015
    Date of Patent: November 26, 2019
    Assignee: Visera Technologies Company Limited
    Inventors: Chin-Ching Chang, Han-Lin Wu, Chin-Chuan Hsieh, Wei-Ko Wang, Zong-Ru Tu
  • Patent number: 10119915
    Abstract: A detection device for specimens includes an image sensor, a light-guiding structure, a carrier, and a light source. The light-guiding structure is disposed on the image sensor, and includes a light-guiding layer and a top layer. The light-guiding layer is disposed on the image sensor. The top layer is disposed on the light-guiding layer. The carrier is disposed on the light-guiding structure. The carrier has a number of wells arranged in an array located over the guiding portions. Each of the wells is configured to receive a specimen.
    Type: Grant
    Filed: April 9, 2015
    Date of Patent: November 6, 2018
    Assignee: VISERA TECHNOLOGIES COMPANY LIMITED
    Inventors: Zong-Ru Tu, Chin-Chuan Hsieh, Wei-Ko Wang
  • Patent number: 9754984
    Abstract: An image-sensor structure is provided. The image-sensor structure includes a substrate, a plurality of photoelectric conversion units formed in the substrate, a plurality of separated color filters formed above the substrate and the photoelectric conversion units, a first light shielding layer surrounding the separated color filters, and a first conductive polymer element blended with a low-refractive-index component filled between the individual separated color filters and between the all separated color filters and the first light shielding layer, wherein the first conductive polymer element is electrically connected to a grounding pad.
    Type: Grant
    Filed: September 26, 2014
    Date of Patent: September 5, 2017
    Assignee: VISERA TECHNOLOGIES COMPANY LIMITED
    Inventors: Chung-Jung Hsu, Chin-Chuan Hsieh, Zong-Ru Tu
  • Publication number: 20170102530
    Abstract: A detection device for specimens includes an image sensor, a light-guiding structure, and a carrier. The image sensor includes a sensing area and a non-sensing area around the sensing area. The light-guiding structure is disposed on the image sensor. The light-guiding structure includes a central guiding portion, a reflection layer, and first guiding portions. The central guiding portion is located over the sensing area. The reflection layer is disposed on the image sensor and includes channels located over the non-sensing area. The first guiding portions are located in the channels, and connected to the central guiding portion and a side surface of the light-guiding structure. The carrier is disposed on the light-guiding structure, and has wells located over the sensing area. Each of the wells is configured to receive a specimen.
    Type: Application
    Filed: October 8, 2015
    Publication date: April 13, 2017
    Inventors: CHIN-CHING CHANG, HAN-LIN WU, CHIN-CHUAN HSIEH, WEI-KO WANG, ZONG-RU TU
  • Patent number: 9525005
    Abstract: A CIS structure is provided, including a translucent structure, a reflective structure surrounding the translucent structure, and a micro lens disposed on a side of the translucent structure. The reflective structure includes a first reflective layer surrounding the translucent structure, a second reflective layer surrounding the first reflective layer, and a third reflective layer surrounding the second reflective layer. The first, second, and third reflective layers respectively have refractive indexes N1, N2, and N3, wherein N1>N2>N3.
    Type: Grant
    Filed: May 18, 2015
    Date of Patent: December 20, 2016
    Assignee: VISERA TECHNOLOGIES COMPANY LIMITED
    Inventor: Zong-Ru Tu
  • Publication number: 20160351610
    Abstract: An image sensor includes a sensing layer, a first microlens, and a number of second microlenses. The first microlens is disposed on the sensing layer. The second microlenses are disposed on the sensing layer adjacent to the first microlens. The diameter of the first microlens is greater than the diameter of each of the second microlenses.
    Type: Application
    Filed: May 27, 2015
    Publication date: December 1, 2016
    Inventors: Li-Wei CHEN, Chi-Han LIN, Zong-Ru TU
  • Publication number: 20160343765
    Abstract: A CIS structure is provided, including a translucent structure, a reflective structure surrounding the translucent structure, and a micro lens disposed on a side of the translucent structure. The reflective structure includes a first reflective layer surrounding the translucent structure, a second reflective layer surrounding the first reflective layer, and a third reflective layer surrounding the second reflective layer. The first, second, and third reflective layers respectively have refractive indexes N1, N2, and N3, wherein N1>N2>N3.
    Type: Application
    Filed: May 18, 2015
    Publication date: November 24, 2016
    Inventor: Zong-Ru TU
  • Patent number: 9502453
    Abstract: A solid-state imaging device is provided. The solid-state imaging device includes a semiconductor substrate containing a plurality of image sensors. A color filter including a plurality of color filter segments is disposed above the semiconductor substrate. Each of the color filter segments corresponds to one of the image sensors. Further, a plurality of partitions is disposed between the color filter segments. Each of the partitions is disposed between any two adjacent color filter segments. The partition has a height smaller than the height of the color filter segment, wherein the height of the partition is based on the bottom of the color filter segment to the top of the partition, and the height of the color filter segment is based on the bottom of the color filter segment to the top of the color filter segment.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: November 22, 2016
    Assignee: VISERA TECHNOLOGIES COMPANY LIMITED
    Inventors: Zong-Ru Tu, Chung-Hao Lin, Yu-Kun Hsiao
  • Publication number: 20160299073
    Abstract: A detection device for specimens includes an image sensor, a light-guiding structure, a carrier, and a light source. The light-guiding structure is disposed on the image sensor, and includes a light-guiding layer and a top layer. The light-guiding layer is disposed on the image sensor. The top layer is disposed on the light-guiding layer. The carrier is disposed on the light-guiding structure. The carrier has a number of wells arranged in an array located over the guiding portions. Each of the wells is configured to receive a specimen.
    Type: Application
    Filed: April 9, 2015
    Publication date: October 13, 2016
    Inventors: Zong-Ru TU, Chin-Chuan HSIEH, Wei-Ko WANG
  • Patent number: 9412775
    Abstract: Solid-state imaging devices and fabrication methods thereof are provided. The solid-state imaging device includes a substrate containing a first photoelectric conversion element and a second photoelectric conversion element. A color filter layer has a first color filter component and a second color filter component respectively disposed above the first and second photoelectric conversion elements. A light-shielding partition is disposed between the first and second color filter components. The light-shielding partition has a height lower than that of the first and second color filter components. A buffer layer is disposed between the first and second color filter components and above the light-shielding partition. The buffer layer has a refractive index lower than that of the color filter layer.
    Type: Grant
    Filed: March 20, 2014
    Date of Patent: August 9, 2016
    Assignee: VISERA TECHNOLOGIES COMPANY LIMITED
    Inventors: Chi-Han Lin, Chih-Kung Chang, Yu-Kun Hsiao, Zong-Ru Tu
  • Publication number: 20160093658
    Abstract: An image-sensor structure is provided. The image-sensor structure includes a substrate, a plurality of photoelectric conversion units formed in the substrate, a plurality of separated color filters formed above the substrate and the photoelectric conversion units, a first light shielding layer surrounding the separated color filters, and a first conductive polymer element blended with a low-refractive-index component filled between the individual separated color filters and between the all separated color filters and the first light shielding layer, wherein the first conductive polymer element is electrically connected to a grounding pad.
    Type: Application
    Filed: September 26, 2014
    Publication date: March 31, 2016
    Inventors: Chung-Jung HSU, Chin-Chuan HSIEH, Zong-Ru TU
  • Patent number: 9293488
    Abstract: An image sensing device includes: a semiconductor substrate with a photo-sensing element; a passive layer disposed over the semiconductor substrate, having a first refractive index; a color pattern disposed over the passive layer, wherein the color pattern aligns to the photo-sensing element and has a color selected from the group consisting of red (R), green (G), blue (B), and white (W), and a second refractive index; and an electromagnetic wave guiding element disposed in at least one of the color pattern and the passive layer, having a third refractive index, and the third refractive index is greater than the first refractive index or the second refractive index, and a first difference between the third refractive index and the first refractive index is at least 0.2, and a second difference between the third refractive index and the second refractive index is at least 0.2.
    Type: Grant
    Filed: May 7, 2014
    Date of Patent: March 22, 2016
    Assignee: VisEra Technologies Company Limited
    Inventors: Zong-Ru Tu, Yu-Kun Hsiao
  • Patent number: 9240428
    Abstract: Embodiments of an image sensor are provided. The image sensor includes a sensing layer, a filter unit and a microlens. The filter unit is disposed on the sensing layer, and the microlens is disposed on the filter unit. The filter unit has a gradient refractive index. Therefore, the sensitivity of the image sensor is improved.
    Type: Grant
    Filed: July 9, 2014
    Date of Patent: January 19, 2016
    Assignee: VisEra Technologies Company Limited
    Inventors: Zong-Ru Tu, Yu-Kun Hsiao
  • Publication number: 20160013229
    Abstract: Embodiments of an image sensor are provided. The image sensor includes a sensing layer, a filter unit and a microlens. The filter unit is disposed on the sensing layer, and the microlens is disposed on the filter unit. The filter unit has a gradient refractive index. Therefore, the sensitivity of the image sensor is improved.
    Type: Application
    Filed: July 9, 2014
    Publication date: January 14, 2016
    Inventors: Zong-Ru TU, Yu-Kun HSIAO