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    Double-lens structures and fabrication methods thereof
    1.
    发明授权
    Double-lens structures and fabrication methods thereof 有权
    双透镜结构及其制造方法

    公开(公告)号：US09513411B2

    公开(公告)日：2016-12-06

    申请号：US14448484

    申请日：2014-07-31

    Applicant: Visera Technologies Company Limited

    Inventor： Han-Lin Wu ,  Yu-Kun Hsiao ,  Yueh-Ching Cheng

    IPC: G02B27/10 ,  H01L31/0232 ,  G02B3/00 ,  G02B5/20

    CPC classification number: G02B3/0068 ,  C09K13/00 ,  G02B3/0012 ,  G02B5/201

    Abstract: A double-lens structure and a method for fabricating the same are provided. The double-lens structure includes a first lens structure formed of a color filter layer having a first refractive index and a second lens structure formed of a micro-lens material layer having a second refractive index and disposed on the first lens structure. The first refractive index of the color filter layer is different from the second refractive index of the micro-lens material layer. An incident light enters the second lens structure and then passes through the first lens structure. Further, a method for fabricating the double-lens structure is also provided.

    Abstract translation: 提供双透镜结构及其制造方法。 双透镜结构包括由具有第一折射率的滤色器层和由具有第二折射率的微透镜材料层形成并设置在第一透镜结构上的第二透镜结构形成的第一透镜结构。 滤色器层的第一折射率不同于微透镜材料层的第二折射率。 入射光进入第二透镜结构，然后通过第一透镜结构。 此外，还提供了一种用于制造双透镜结构的方法。

    Image sensor
    2.
    发明授权
    Image sensor 有权

    公开(公告)号：US10319760B2

    公开(公告)日：2019-06-11

    申请号：US14803995

    申请日：2015-07-20

    Applicant: VisEra TECHNOLOGIES COMPANY LIMITED

    Inventor： Kuo-Feng Lin ,  Wu-Cheng Kuo ,  Chung-Hao Lin ,  Yu-Kun Hsiao

    IPC: G01J3/50 ,  H01L27/146

    Abstract: An image sensor includes a sensing layer, a number of filter units, and a grid structure. The filter units are disposed on the sensing layer. The grid structure is disposed on the sensing layer and surrounding each of the filter units. The grid structure includes a first partition wall disposed on the sensing layer and located between two adjacent filter units, and a second partition wall disposed on the first partition wall located between the two adjacent filter units. The refractive index of the first partition wall is less than the refractive index of the second partition wall.

    Image-sensor structures
    3.
    发明授权
    Image-sensor structures 有权

    公开(公告)号：US10056417B2

    公开(公告)日：2018-08-21

    申请号：US15066948

    申请日：2016-03-10

    Applicant: VisEra Technologies Company Limited

    Inventor： Chin-Chuan Hsieh ,  Yu-Kun Hsiao ,  Wei-Ko Wang ,  Li-Kai Lee

    IPC: H01L31/0232 ,  H01L27/146

    CPC classification number: H01L27/14621 ,  H01L27/14625 ,  H01L27/14627 ,  H01L27/14645

    Abstract: An image-sensor structure is provided. The image-sensor structure includes a substrate with a plurality of photoelectric conversion units formed therein, a plurality of color filters formed above the substrate, wherein the color filters are divided into red color filters, green color filters and blue color filters, a plurality of microlenses correspondingly formed above the color filters, a transparent material layer formed above the microlenses, a first filter blocking infrared (IR) light formed above the transparent material layer, a second filter allowing transmission of visible light formed above the first filter, and a lens module formed above the second filter.

    Image-sensing device
    4.
    发明授权
    Image-sensing device 有权

    公开(公告)号：US09978789B2

    公开(公告)日：2018-05-22

    申请号：US15174139

    申请日：2016-06-06

    Applicant: VisEra Technologies Company Limited

    Inventor： Kuo-Feng Lin ,  Yu-Kun Hsiao ,  Chin-Chuan Hsieh

    IPC: H01L27/146

    CPC classification number: H01L27/1462 ,  H01L27/14607 ,  H01L27/14621 ,  H01L27/14625

    Abstract: An image-sensing device includes a semiconductor substrate, a passive layer, and a light-collecting element. The semiconductor substrate includes a photo-sensing element, and the passive layer is disposed over the semiconductor substrate. The light-collecting element is disposed over the passive layer, and includes first, second and third loops. The first loop has a first width. The second loop surrounds the first loop and has a second width that is less than the first width. The third loop surrounds the first and second loops, and has a third width that is less than the second width. The light-collecting element aligns with the photo-sensing element, and the first, second, and third loops include different refractive indices.

    Image sensor and manufacturing method thereof
    7.
    发明授权
    Image sensor and manufacturing method thereof 有权
    图像传感器及其制造方法

    公开(公告)号：US09240428B1

    公开(公告)日：2016-01-19

    申请号：US14326912

    申请日：2014-07-09

    Applicant: VisEra Technologies Company Limited

    Inventor： Zong-Ru Tu ,  Yu-Kun Hsiao

    IPC: H01L31/0232 ,  H01L27/146 ,  H04N5/243 ,  H04N9/04

    CPC classification number: H01L27/14621 ,  H01L27/14627 ,  H01L27/14685

    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.

    Abstract translation: 提供了图像传感器的实施例。 图像传感器包括感测层，滤光器单元和微透镜。 过滤器单元设置在感测层上，微透镜设置在过滤器单元上。 滤光单元具有梯度折射率。 因此，提高了图像传感器的灵敏度。

    Methods for farbricating double-lens structures
    8.
    发明授权
    Methods for farbricating double-lens structures 有权

    公开(公告)号：US10054719B2

    公开(公告)日：2018-08-21

    申请号：US15292575

    申请日：2016-10-13

    Applicant: VisEra Technologies Company Limited

    Inventor： Han-Lin Wu ,  Yu-Kun Hsiao ,  Yueh-Ching Cheng

    IPC: G02B3/00 ,  G02B5/20 ,  C09K13/00

    CPC classification number: G02B3/0068 ,  C09K13/00 ,  G02B3/0012 ,  G02B5/201

    Abstract: A double-lens structure and a method for fabricating the same are provided. The double-lens structure includes a first lens structure formed of a color filter layer having a first refractive index and a second lens structure formed of a micro-lens material layer having a second refractive index and disposed on the first lens structure. The first refractive index of the color filter layer is different from the second refractive index of the micro-lens material layer. An incident light enters the second lens structure and then passes through the first lens structure. Further, a method for fabricating the double-lens structure is also provided.

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