IMAGING DEVICE
    1.
    发明申请

    公开(公告)号:US20210202582A1

    公开(公告)日:2021-07-01

    申请号:US17205061

    申请日:2021-03-18

    摘要: An imaging device includes: a semiconductor substrate; pixel electrodes located above the semiconductor substrate and each electrically connected to the semiconductor substrate; a counter electrode located above the pixel electrodes; a first photoelectric conversion layer located between the counter electrode and the pixel electrodes; and at least one first light-shielding body located in or above the first photoelectric conversion layer. The first photoelectric conversion layer contains a semiconducting carbon nanotube that absorbs light in a first wavelength range and an organic molecule that covers the semiconducting carbon nanotube, absorbs light in a second wavelength range, and emits fluorescence in a third wavelength range. The at least one first light-shielding body absorbs or reflects light with a wavelength in at least part of the second wavelength range.

    IMAGING DEVICE AND METHOD FOR DRIVING IMAGING DEVICE

    公开(公告)号:US20210225939A1

    公开(公告)日:2021-07-22

    申请号:US17219954

    申请日:2021-04-01

    摘要: An imaging device includes a pixel electrode, a counter electrode that faces the pixel electrode, a first photoelectric conversion layer that is located between the pixel electrode and the counter electrode and that generates first signal charge, a second photoelectric conversion layer that is located between the first photoelectric conversion layer and the pixel electrode and that generates second signal charge, a first barrier layer that is located between the first photoelectric conversion layer and the second photoelectric conversion layer and that forms a first heterojunction barrier against the first signal charge in the first photoelectric conversion layer, and a charge accumulator that is electrically connected to the pixel electrode and that accumulates the first signal charge and the second signal charge.

    PHOTOELECTRIC CONVERSION ELEMENT AND IMAGING DEVICE

    公开(公告)号:US20240049490A1

    公开(公告)日:2024-02-08

    申请号:US18490823

    申请日:2023-10-20

    IPC分类号: H10K39/32 C09K11/66 C09K11/02

    摘要: A photoelectric conversion element includes a photoelectric conversion layer, a first electrode that collects holes generated in the photoelectric conversion layer, and a second electrode that is positioned opposite to the first electrode with the photoelectric conversion layer being disposed therebetween and that collects electrons generated in the photoelectric conversion layer. The photoelectric conversion layer includes a first quantum dot layer including first quantum dots each having a surface modified with a first ligand and includes a second quantum dot layer including second quantum dots each having a surface modified with a second ligand different from the first ligand. The second quantum dot layer has an ionization potential greater than an ionization potential of the first quantum dot layer. A second value that represents a particle diameter distribution of the second quantum dots is less than a first value that represents a particle diameter distribution of the first quantum dots.

    IMAGING DEVICE AND METHOD FOR DRIVING IMAGING DEVICE

    公开(公告)号:US20210202551A1

    公开(公告)日:2021-07-01

    申请号:US17204851

    申请日:2021-03-17

    IPC分类号: H01L27/146

    摘要: An imaging device includes a pixel electrode, a counter electrode, a first quantum dot that includes a first core which generates first signal charge and a first shell, a second quantum dot that includes a second core which generates second signal charge and a second shell. In a case where the potential difference between the pixel electrode and the counter electrode is a first potential difference, the first signal charge does not pass through the first shell and is held in the first core and the second signal charge passes through the second shell and is collected by the pixel electrode. In a case where the potential difference between the pixel electrode and the counter electrode is a second potential difference which is larger than the first potential difference, the first signal charge passes through the first shell and is collected by the pixel electrode.