Image sensor
    2.
    发明授权

    公开(公告)号:US12068337B2

    公开(公告)日:2024-08-20

    申请号:US18144969

    申请日:2023-05-09

    CPC classification number: H01L27/14605 H04N25/40

    Abstract: An image sensor including a semiconductor substrate having a first surface and a second surface; and a pixel isolation film extending from the first surface of the semiconductor substrate into the semiconductor substrate and defining active pixels in the semiconductor substrate, wherein the pixel isolation film includes a buried conductive layer including polysilicon containing a fining element at a first concentration; and an insulating liner between the buried conductive layer and the semiconductor substrate, and wherein the fining element includes oxygen, carbon, or fluorine.

    Imaging device and method of manufacturing imaging device

    公开(公告)号:US12015037B2

    公开(公告)日:2024-06-18

    申请号:US17044994

    申请日:2019-01-17

    Inventor: Yusuke Moriya

    Abstract: To prevent the occurrence of a defect in an infrared-light attenuation filter and prevent a reduction in image quality. An imaging device includes a photoelectric converter, an on-chip lens, a color filter, the infrared-light attenuation filter, and a protective film. The photoelectric converter performs photoelectric conversion depending on incident light. The on-chip lens collects the incident light into the photoelectric converter. Infrared light and visible light of a specified wavelength from among the collected incident light are transmitted through the color filter. The infrared-light attenuation filter attenuates the infrared light from among the collected incident light, and visible light from among the collected incident light is transmitted through the infrared-light attenuation filter. The protective film is arranged adjacent to the infrared-light attenuation filter and protects the infrared-light attenuation filter.

    Optical blocking structures for black level correction pixels in an image sensor

    公开(公告)号:US11996428B2

    公开(公告)日:2024-05-28

    申请号:US17191393

    申请日:2021-03-03

    Abstract: An image sensor includes an array of image pixels and black level correction (BLC) pixels. Each BLC pixel includes a BLC pixel photodetector, a BLC pixel sensing circuit, and a BLC pixel optics assembly configured to block light that impinges onto the BLC pixel photodetector. Each BLC pixel optics assembly may include a first portion of a layer stack including a vertically alternating sequence of first material layers having a first refractive index and second material layers having a second refractive index. Additionally or alternatively, each BLC pixel optics assembly may include a first portion of a layer stack including at least two metal layers, each having a respective wavelength sub-range having a greater reflectivity than another metal layer. Alternatively or additionally, each BLC pixel optics assembly may include an infrared blocking material layer that provides a higher absorption coefficient than color filter materials within image pixel optics assemblies.

    Imaging device and electronic device

    公开(公告)号:US11991438B2

    公开(公告)日:2024-05-21

    申请号:US17626566

    申请日:2020-07-09

    CPC classification number: H04N23/631 H01L27/14605 H01L27/14607 H01L27/14616

    Abstract: An imaging device capable of executing image processing is provided. An imaging device with low power consumption is provided. A highly reliable imaging device is provided. An imaging device with higher integration degree of pixels is provided. An imaging device manufactured at low cost is provided. The imaging device includes a photoelectric conversion device, a first transistor that is formed in a first layer and includes silicon in a channel formation layer, and a capacitor that is formed in a second layer bonded to the first layer. One of a source and a drain of the first transistor is electrically connected to one of electrodes of the photoelectric conversion device, and the other of the source and the drain of the first transistor is electrically connected to one of electrodes of the capacitor. A pixel having a function of generating first data and a function of multiplying the first data to have a given magnification to generate second data is included. The first data and the second data each have an analog value.

Patent Agency Ranking