Patents Assigned to Visera Technologies Company Limited
  • Patent number: 12209964
    Abstract: A bio-chip is provided. The bio-chip includes a first substrate, a polarizing array, and a plurality of reaction sites. The polarizing array is disposed on the first substrate, and includes first sub-polarizing units having a first polarizing angle and second sub-polarizing units having a second polarizing angle. The first polarizing angle is different from the second polarizing angle. The reaction sites are disposed on the polarizing array. Each of the reaction sites corresponds to one of the first sub-polarizing units or one of the second sub-polarizing units.
    Type: Grant
    Filed: October 15, 2020
    Date of Patent: January 28, 2025
    Assignee: VisEra Technologies Company Limited
    Inventor: Hsin-Yi Hsieh
  • Patent number: 12209985
    Abstract: A sensor device is provided. The sensor device includes a first substrate, a second substrate, a flow channel and a first reaction group. The second substrate is disposed opposite the first substrate. The flow channel is disposed between the first substrate and the second substrate, and the flow channel includes a fluidic boundary. The first reaction group is disposed on the first substrate and includes a first reaction site, a second reaction site and a third reaction site. The first reaction site is closer to the fluidic boundary than the second reaction site, and a size of the first reaction site is greater than or equal to a size of the second reaction site. The second reaction site is closer to the fluidic boundary than the third reaction site, and the size of the second reaction site is greater than a size of the third reaction site.
    Type: Grant
    Filed: September 18, 2020
    Date of Patent: January 28, 2025
    Assignee: VISERA TECHNOLOGIES COMPANY LIMITED
    Inventors: Hsin-Yi Hsieh, Yi-Hua Chiu, Wei-Ko Wang, Chin-Chuan Hsieh
  • Patent number: 12191333
    Abstract: A solid-state image sensor is provided. The solid-state image sensor includes photoelectric conversion units and modulation structures embedded in the photoelectric conversion units. The solid-state image sensor also includes isolation structures disposed between the photoelectric conversion units and a protective layer disposed on the photoelectric conversion units. From the top view of the solid-state image sensor, the photoelectric conversion units and the modulation structures form mosaic patterns, and the ratio of the area of one modulation structure to the area of the corresponding mosaic pattern is between 0.1 and 0.9.
    Type: Grant
    Filed: February 24, 2022
    Date of Patent: January 7, 2025
    Assignee: VISERA TECHNOLOGIES COMPANY LIMITED
    Inventors: Pin-Chia Tseng, Yu-Chi Chang
  • Patent number: 12174405
    Abstract: An optical structure is provided. The optical structure includes a sensor, a bandpass filter and a plurality of protrusions. The bandpass filter is disposed above the sensor. The protrusions are disposed on the bandpass filter. The bandpass filter allows light with a wavelength of 700 nm to 3,000 nm to pass through. The protrusions have a size distribution that controls the phase of the incident light to be between 0 and 2?.
    Type: Grant
    Filed: November 19, 2020
    Date of Patent: December 24, 2024
    Assignee: VISERA TECHNOLOGIES COMPANY LIMITED
    Inventors: Chin-Chuan Hsieh, Kuo-Feng Lin, Shih-Yu Ho
  • Patent number: 12176367
    Abstract: A semiconductor device is provided. The semiconductor device includes a substrate having a plurality of first photoelectric conversion elements and a plurality of second photoelectric conversion elements. The semiconductor device also includes a light-adjusting structure disposed on the substrate. The light-adjusting structure includes a patterned multi-film having a plurality of trenches that correspond to the first photoelectric conversion elements. The first photoelectric conversion elements are used for sensing near infrared light, and the second photoelectric conversion elements are used for sensing visible light.
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: December 24, 2024
    Assignee: VISERA TECHNOLOGIES COMPANY LIMITED
    Inventors: Wei-Ko Wang, Pei-Yi Hsiao
  • Patent number: 12174398
    Abstract: A method for forming a micro-lens array is provided. According to the method, a substrate is provided, and a hard-mask layer is formed. A lithography process is performed on the hard-mask layer by a hard-mask to form a first pattern and a second pattern. Then, the first pattern and the second pattern are reflowed to form a first lens structure and a second lens structure respectively. The photomask includes a first pattern segment and a second pattern segment, and the second pattern segment includes a transparent region and an opaque region. An area of the transparent region of the second pattern segment is larger than 18% of an area of the second pattern segment.
    Type: Grant
    Filed: April 12, 2021
    Date of Patent: December 24, 2024
    Assignee: VISERA TECHNOLOGIES COMPANY LIMITED
    Inventors: Jyun-You Lu, Hsin-Yen Tsai, Hao-Min Chen
  • Patent number: 12166053
    Abstract: A semiconductor device is provided. The semiconductor device includes a substrate having photoelectric conversion elements. The semiconductor device also includes a first light-shielding layer disposed on the substrate and having first apertures. The semiconductor device further includes a light-adjusting structure disposed on the first light-shielding layer. Moreover, the semiconductor device includes a second light-shielding layer disposed on the light-adjusting structure and having second apertures. The semiconductor device also includes first light-condensing structures covering the second apertures. The semiconductor device further includes a third light-shielding layer disposed on the first light-condensing structure and having third apertures. Furthermore, the semiconductor device includes second light-condensing structures covering the third apertures.
    Type: Grant
    Filed: March 11, 2021
    Date of Patent: December 10, 2024
    Assignee: VISERA TECHNOLOGIES COMPANY LIMITED
    Inventor: Wei-Ko Wang
  • Patent number: 12046071
    Abstract: An aspect of the present invention provides an optical imaging device including a first detecting unit. The first detecting unit includes a plurality of first pixels, a first opaque layer and at least one first micro-lens. The plurality of first pixels respectively has a plurality of first optoelectronic elements. The first opaque layer has at least one opening and is disposed over the plurality of first optoelectronic elements. The at least one first micro-lens is disposed over the first opaque layer, and overlaps at least one of the plurality of first pixels.
    Type: Grant
    Filed: April 7, 2021
    Date of Patent: July 23, 2024
    Assignee: VISERA TECHNOLOGIES COMPANY LIMITED
    Inventors: Chin-Chuan Hsieh, Wei-Ko Wang, Hsin-Wei Mao, Chung-Hao Lin
  • Patent number: 12046611
    Abstract: A solid-state image sensor is provided. The solid-state image sensor includes a plurality of photoelectric conversion elements. The solid-state image sensor also includes a first color filter layer disposed above the photoelectric conversion elements and a second color filter layer disposed adjacent to the first color filter layer, which respectively have a plurality of first color filter segments and a plurality of second color filter segments. Moreover, the solid-state image sensor includes a first metal grid structure disposed between the first color filter layer and the second color filter layer. The solid-state image sensor also includes a second metal grid structure disposed between the first color filter segments and between the second color filter segments. The bottom of the first metal grid structure has a first grid width, and the bottom of the second metal grid structure has a second grid width narrower than the first grid width.
    Type: Grant
    Filed: November 12, 2020
    Date of Patent: July 23, 2024
    Assignee: VISERA TECHNOLOGIES COMPANY LIMITED
    Inventors: Ching-Hua Li, Yu-Chi Chang, Zong-Ru Tu
  • Patent number: 12048172
    Abstract: A solid-state image sensor is provided. The solid-state image sensor includes a semiconductor substrate having photoelectric conversion elements. The solid-state image sensor also includes an isolation structure disposed between the photoelectric conversion elements. The solid-state image sensor further includes a color filter layer disposed above the semiconductor substrate and having color filter segments that correspond to the photoelectric conversion elements. Moreover, the solid-state image sensor includes an organic film disposed above the color filter layer. The solid-state image sensor also includes an upper electrode and a lower electrode respectively disposed on the upper side and the lower side of the organic film. The solid-state image sensor further includes nano-structures disposed on the upper side or the lower side of the organic film.
    Type: Grant
    Filed: September 3, 2021
    Date of Patent: July 23, 2024
    Assignee: VISERA TECHNOLOGIES COMPANY LIMITED
    Inventors: Ching-Hua Li, Zong-Ru Tu, Yu-Chi Chang
  • Patent number: 12046609
    Abstract: A solid-state image sensor is provided. The solid-state image sensor includes photoelectric conversion elements and a color filter layer disposed above the photoelectric conversion elements. The photoelectric conversion elements and the color filter layer form normal pixels and auto-focus pixels, the color filter layer that correspond to the normal pixels are divided into first color filter segments and second color filter segments, the first color filter segments are disposed on at least one side that is closer to an incident light, and the width of the first color filter segments is greater than the width of the second color filter segments.
    Type: Grant
    Filed: October 7, 2021
    Date of Patent: July 23, 2024
    Assignee: VISERA TECHNOLOGIES COMPANY LIMITED
    Inventors: Ching-Hua Li, Cheng-Hsuan Lin, Zong-Ru Tu, Yu-Chi Chang, Han-Lin Wu
  • Patent number: 12027563
    Abstract: The image sensor structure includes a substrate, a readout circuit array, a photoelectric layer and a filter layer. The filter layer has a first spectrum defining a first wavelength. The photoelectric layer has a second spectrum defining a second wavelength. The second wavelength is longer than the first wavelength. The first wavelength corresponds to a first line passing through a first point and a second point on a curve of the first spectrum of the filter layer. The first point aligns with an extinction coefficient of 0.9. The second point aligns with an extinction coefficient of 0.1. The second wavelength corresponds to a second line passing through a third point and a fourth point on a curve of the second spectrum of the photoelectric layer. The third point aligns with an extinction coefficient of 0.9. The fourth point aligns with an extinction coefficient of 0.1.
    Type: Grant
    Filed: June 11, 2021
    Date of Patent: July 2, 2024
    Assignee: VISERA TECHNOLOGIES COMPANY LIMITED
    Inventors: Lai-Hung Lai, Chin-Chuan Hsieh
  • Patent number: 12027547
    Abstract: A solid-state image sensor is provided. The solid-state image sensor includes photoelectric conversion elements. The solid-state image sensor also includes a mosaic pattern layer disposed above the photoelectric conversion elements. The mosaic pattern layer includes an infrared-passing segment and color filter segments disposed on the periphery of the infrared-passing segment. The solid-state image sensor further includes a first condensing structure disposed on the mosaic pattern layer. The infrared-passing segment and the color filter segments share the first condensing structure.
    Type: Grant
    Filed: July 19, 2021
    Date of Patent: July 2, 2024
    Assignee: VISERA TECHNOLOGIES COMPANY LIMITED
    Inventors: Hao-Wei Liu, Chia-Chien Hsieh, Sheng-Chuan Cheng, Ching-Chiang Wu
  • Patent number: 12027548
    Abstract: An image sensor includes: a group of autofocus sensor units; neighboring sensor units adjacent to and surrounding the group of autofocus sensor units, wherein each of the neighboring sensor units has a first side close to the group of autofocus sensor units, and a second side away from the group of autofocus sensor units. The image sensor further includes: a first light shielding structure disposed between the group of autofocus sensor units and the neighboring sensor units; a first extra light shielding structure laterally extending from the first light shielding structure and disposed on at least one of the first side and the second side of one or more of the neighboring sensor units.
    Type: Grant
    Filed: December 9, 2020
    Date of Patent: July 2, 2024
    Assignee: VISERA TECHNOLOGIES COMPANY LIMITED
    Inventors: Cheng-Hsuan Lin, Yu-Chi Chang
  • Patent number: 12009379
    Abstract: An image sensor is provided. The image sensor includes a substrate having a first region and a second region adjacent to each other; and a first photoelectric conversion component disposed on the first region of the substrate, and the first photoelectric conversion component includes: a first metal layer formed on the substrate; a first photoelectric conversion layer formed on the first metal layer; and a second metal layer formed on the first photoelectric conversion layer.
    Type: Grant
    Filed: May 1, 2017
    Date of Patent: June 11, 2024
    Assignee: VISERA TECHNOLOGIES COMPANY LIMITED
    Inventors: Wu-Cheng Kuo, Kuo-Feng Lin, Tsung-Lin Wu, Chin-Chuan Hsieh
  • Patent number: 11988855
    Abstract: An optical fingerprint sensor is provided. The optical fingerprint sensor includes a substrate, a light-shielding layer and an optical material layer. The light-shielding layer is disposed on the substrate. The optical material layer is in contact with the light-shielding layer. The optical material layer includes a non-filtering portion and a filtering portion.
    Type: Grant
    Filed: June 25, 2019
    Date of Patent: May 21, 2024
    Assignee: VISERA TECHNOLOGIES COMPANY LIMITED
    Inventors: Ho-Tai Lin, Shin-Hong Chen
  • Patent number: 11946802
    Abstract: An ambient light sensor includes a substrate, a metasurface disposed on the substrate, and an aperture layer disposed on the substrate. The metasurface includes a plurality of nanostructures and a filling layer laterally surrounding the plurality of nanostructures. The aperture layer laterally separates the metasurface into a plurality of sub-meta groups.
    Type: Grant
    Filed: March 29, 2023
    Date of Patent: April 2, 2024
    Assignee: VISERA TECHNOLOGIES COMPANY LIMITED
    Inventors: Shih-Liang Ku, Zi-Han Liao, Chun-Wei Huang
  • Patent number: 11901380
    Abstract: A solid-state image sensor is provided. The solid-state image sensor includes a semiconductor substrate having photoelectric conversion elements. The photoelectric conversion elements form an N×N pixel array, where N is a positive integer larger than or equal to 3. The solid-state image sensor also includes a modulation layer disposed above the photoelectric conversion elements. The solid-state image sensor further includes a light-adjusting structure disposed on the modulation layer and corresponding to the N×N pixel array. The N×N pixel array includes a first pixel region having at least one first pixel. The N×N pixel array also includes a second pixel region adjacent to the first pixel region in a first direction and in a second direction different from the first direction and having second pixels. The aperture ratio of the first pixel and the aperture ratio of the second pixel are different.
    Type: Grant
    Filed: November 30, 2020
    Date of Patent: February 13, 2024
    Assignee: VISERA TECHNOLOGIES COMPANY LIMITED
    Inventors: Hui-Min Yang, Zong-Ru Tu, Yu-Chi Chang, Han-Lin Wu
  • Patent number: 11899223
    Abstract: An optical device is provided. The optical device has a central region and a first-type region surrounding the central region. The first-type region includes a first sub-region and a second sub-region between the central region and the first sub-region. The optical device includes a substrate. The optical device also includes a meta-structure disposed on the substrate. The meta-structure includes first pillars in the first sub-region and second pillars in the second sub-region. In the cross-sectional view of the optical device along the radial direction of the optical device, two adjacent first pillars have a first pitch, two adjacent second pillars have a second pitch, and the second pitch is greater than the first pitch.
    Type: Grant
    Filed: May 24, 2021
    Date of Patent: February 13, 2024
    Assignee: VISERA TECHNOLOGIES COMPANY LIMITED
    Inventors: Kuo-Feng Lin, Yu-Ping Tseng, Chin-Chuan Hsieh
  • Patent number: 11867562
    Abstract: An optical device is provided. The optical device includes a time-of-flight (TOF) sensor array, a photon conversion thin film, and a light source. The photon conversion thin film is disposed above the time-of-flight sensor array. The light source emits light with a first wavelength towards the photon conversion thin film to be converted into light with a second wavelength received by the time-of-flight sensor array. The second wavelength is longer than the first wavelength.
    Type: Grant
    Filed: January 25, 2022
    Date of Patent: January 9, 2024
    Assignee: VISERA TECHNOLOGIES COMPANY LIMITED
    Inventors: Lai-Hung Lai, Chin-Chuan Hsieh, Chien-Ho Yu