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1. 发明申请

US20220385849A1 IMAGING DEVICE 有权
公开(公告)号：US20220385849A1
公开(公告)日：2022-12-01
申请号：US17729921
申请日：2022-04-26
申请人： SK hynix Inc.
发明人： Ken SAWADA
IPC分类号： H04N5/3745 , H04L9/32 , H04N5/378 , H04N5/376
摘要： An imaging device includes an image sensing device, a private key generation unit, and an image encryption unit. The image sensing device includes an image generator configured to generate image data acquired by capturing as image, and a physical unclonable function (PUF) generator configured to generate physical unclonable function (PUF) data including information about at least one fixed pattern noise (FPN) data value and at least one random telegraph noise (RTN) data value. The private key (KEY) generation unit generates a private key based on the at least one FPN data value and the at least one RTN data value that are acquired from the PUF data. The image encryption unit encrypts the image data using the private key. A first transistor included in the PUF generator exhibits different properties from a second transistor that is included in the image generator and corresponds to the first transistor.

2. 发明申请

US20230124606A1 IMAGING DEVICE 有权
公开(公告)号：US20230124606A1
公开(公告)日：2023-04-20
申请号：US17968975
申请日：2022-10-19
申请人： SK hynix Inc.
发明人： Kazuhiro YAHATA , Ken SAWADA , Kunihiro YAMAMOTO
IPC分类号： H04N5/235 , G06T3/40 , G06T7/13 , G06V10/143 , G06V10/25 , G06V10/60 , G06V10/75
摘要： An imaging device includes an image sensing device and an image signal processor. The imaging sensing device includes a pixel array of sensing pixels comprising a first pixel for sensing incident light and having a first dynamic range and a second pixel for sensing incident light and having a second dynamic range, the pixel array of sensing pixels structured to have a ratio of a number of the first pixels to all sensing pixels to be higher than a ratio of a number of second pixels to all sensing pixels. The image signal processor is configured to receive and process pixel data from the image sensing device to generate a high dynamic range (HDR) image corresponding to a larger dynamic range than the first dynamic range or the second dynamic range, based on pixel data of the first pixels and pixel data of the second pixels in the pixel array.

3. 发明申请

US20230026792A1 IMAGE SENSING DEVICE 有权
公开(公告)号：US20230026792A1
公开(公告)日：2023-01-26
申请号：US17726859
申请日：2022-04-22
申请人： SK hynix Inc.
发明人： Ken SAWADA
IPC分类号： H01L27/146 , H01L23/48
摘要： An image sensing device includes a first substrate layer including a photoelectric conversion region for converting incident light into photocharges and a floating diffusion region for storing the photocharges therein, a first interconnect layer disposed over the first substrate layer and including a switch transistor gate overlapping at least a portion of the floating diffusion region, a second substrate layer disposed over the first interconnect layer, a second interconnect layer disposed over the second substrate layer, and a capacitor electrically coupled to the floating diffusion region by the switch transistor gate. The capacitor includes first and second electrodes that are disposed across the first interconnect layer, the second substrate layer, and the second interconnect layer, wherein a portion of the first interconnect layer, a portion of the second substrate layer, and a portion of the second interconnect layer are disposed between the first electrode and the second electrode.

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