-
公开(公告)号:US20210320218A1
公开(公告)日:2021-10-14
申请号:US17250349
申请日:2019-07-04
发明人: TSUTOMU IMOTO , YUJI ISOGAI , TAKUYA MARUYAMA , TAKURO MURASE , RYOTA WATANABE
IPC分类号: H01L31/12 , H01L31/0232 , H01L31/02 , H01L27/144 , H04N5/369 , G01S17/08 , G01S7/481
摘要: The present technology relates to a light-receiving element and a distance-measuring module for enabling improvement of characteristics. A light-receiving element includes an on-chip lens, a wiring layer, a first substrate arranged between the on-chip lens and the wiring layer, and a second substrate bonded to the first substrate via the wiring layer, the first substrate includes a first voltage application portion to which a first voltage is applied, a second voltage application portion to which a second voltage different from the first voltage is applied, a first charge detection portion arranged around the first voltage application portion, and a second charge detection portion arranged around the second voltage application portion, and the second substrate includes a plurality of pixel transistors that performs an operation of reading charges detected in the first and second charge detection portions. The present technology can be applied to, for example, a light-receiving element that generates distance information by a ToF method.
-
公开(公告)号:US20220390611A1
公开(公告)日:2022-12-08
申请号:US17755980
申请日:2020-10-08
发明人: TAKUYA MARUYAMA , YUSUKE OTAKE
IPC分类号: G01S17/931 , G01S17/08 , G01S17/89 , G01S7/4863
摘要: Provided is a light receiving element capable of lowering the on-voltage of a transfer transistor and suppressing transfer failures at a low on-voltage. The light receiving element includes a plurality of pixels arranged in a matrix, each of the plurality of pixels including: a photoelectric conversion unit; first and second charge storage units that store charges generated by the photoelectric conversion unit; first and second transfer transistors that transfer the charges from the photoelectric conversion unit to the first and second charge storage units, respectively; first and second amplification transistors that amplify potentials of the first and second charge storage units, respectively; and a connection wiring that electrically connects the first charge storage unit and the first amplification transistor, wherein a first transfer control wiring electrically connected to a gate of the first transfer transistor of each of the pixels in the same row extends in a row direction in a first wiring layer, and the connection wiring extends to the first wiring layer.
-
公开(公告)号:US20210270941A1
公开(公告)日:2021-09-02
申请号:US17250343
申请日:2019-07-04
发明人: RYOTA WATANABE , TOSHIFUMI WAKANO , TAKURO MURASE , TAKUYA MARUYAMA , TSUTOMU IMOTO , YUJI ISOGAI
IPC分类号: G01S7/481 , H01L31/02 , G01S7/4863
摘要: The present technology relates to a light-receiving element and a distance-measuring module for enabling improvement of characteristics. A light-receiving element includes an on-chip lens, a wiring layer, and a semiconductor layer arranged between the on-chip lens and the wiring layer, the semiconductor layer includes a first voltage application portion to which a first voltage is applied, a second voltage application portion to which a second voltage different from the first voltage is applied, a first charge detection portion arranged around the first voltage application portion, and a second charge detection portion arranged around the second voltage application portion, and the wiring layer includes at least one ground line having a wider line width than a power supply line. The present technology can be applied to, for example, a light-receiving element that generates distance information by a ToF method.
-
公开(公告)号:US20200028017A1
公开(公告)日:2020-01-23
申请号:US16504875
申请日:2019-07-08
发明人: TSUTOMU IMOTO , YUJI ISOGAI , TAKUYA MARUYAMA , TAKURO MURASE , RYOTA WATANABE , TAKESHI YAMAZAKI
IPC分类号: H01L31/101 , H01L31/0232 , H01L31/02 , H01L31/0224
摘要: A light-receiving element includes an on-chip lens; an interconnection layer; and a semiconductor layer that is disposed between the on-chip lens and the interconnection layer. The semiconductor layer includes a first voltage application unit to which a first voltage is applied, a second voltage application unit to which a second voltage different from the first voltage is applied, a first charge detection unit that is disposed at the periphery of the first voltage application unit, a second charge detection unit that is disposed at the periphery of the second voltage application unit, and a charge discharge region that is provided on an outer side of an effective pixel region. For example, the present technology is applicable to a light-receiving element that generates distance information in a ToF method, or the like.
-
-
-