| Paper Abstract and Keywords |
| Presentation |
2024-09-25 16:00
A Study of Linear Response DCG Scheme with 4 Transistor Pixel for a CMOS Image Sensor
Ayaka Banno (Ritsumeikan Univ.), Ken Miyauchi (Brillnics Japan), Shuhei Takemoto, Ai Otani (Ritsumeikan Univ.), Yuki Morikawa, Hideki Owada, Chia-Chi Kuo, Isao Takayanagi (Brillnics Japan), Shunsuke Okura (Ritsumeikan Univ.) |
| Abstract |
(in Japanese) |
(See Japanese page) |
| (in English) |
High Dynamic Range (HDR) CMOS image sensors are required for use in extremely illuminated environments, such as outdoors.
Our research group has proposed a Dual Conversion Gain (DCG) HDR CMOS image sensor,
which consists of a four-transistor (4T) pixel.
While the 4T-DCG can achieve a dynamic range (DR) comparable to that of conventional DCG sensors, the bright signal exhibits a nonlinear response.
In this work, we propose an 4T-DCG pixel with a larger transfer gate (TG) to improve linearity. According to device simulation results, the full well capacity (FWC), DR, and linearity error are $20~rm{ke^-}$, $85.4$~dB, and $1.7$~%, respectively. |
| Keyword |
(in Japanese) |
(See Japanese page) |
| (in English) |
CMOS image sensor / HDR / 4T / small pixel / DCG / linear response / / |
| Reference Info. |
ITE Tech. Rep., vol. 48, no. 31, IST2024-51, pp. 34-37, Sept. 2024. |
| Paper # |
IST2024-51 |
| Date of Issue |
2024-09-18 (IST) |
| ISSN |
Online edition: ISSN 2424-1970 |
| Download PDF |
|
| Conference Information |
| Committee |
IST |
| Conference Date |
2024-09-25 - 2024-09-25 |
| Place (in Japanese) |
(See Japanese page) |
| Place (in English) |
Kikai-Shinko-Kaikan Bldg. |
| Topics (in Japanese) |
(See Japanese page) |
| Topics (in English) |
|
| Paper Information |
| Registration To |
IST |
| Conference Code |
2024-09-IST |
| Language |
Japanese |
| Title (in Japanese) |
(See Japanese page) |
| Sub Title (in Japanese) |
(See Japanese page) |
| Title (in English) |
A Study of Linear Response DCG Scheme with 4 Transistor Pixel for a CMOS Image Sensor |
| Sub Title (in English) |
|
| Keyword(1) |
CMOS image sensor |
| Keyword(2) |
HDR |
| Keyword(3) |
4T |
| Keyword(4) |
small pixel |
| Keyword(5) |
DCG |
| Keyword(6) |
linear response |
| Keyword(7) |
|
| Keyword(8) |
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| 1st Author's Name |
Ayaka Banno |
| 1st Author's Affiliation |
Ritsumeikan University (Ritsumeikan Univ.) |
| 2nd Author's Name |
Ken Miyauchi |
| 2nd Author's Affiliation |
Brillnics Japan Inc. (Brillnics Japan) |
| 3rd Author's Name |
Shuhei Takemoto |
| 3rd Author's Affiliation |
Ritsumeikan University (Ritsumeikan Univ.) |
| 4th Author's Name |
Ai Otani |
| 4th Author's Affiliation |
Ritsumeikan University (Ritsumeikan Univ.) |
| 5th Author's Name |
Yuki Morikawa |
| 5th Author's Affiliation |
Brillnics Japan Inc. (Brillnics Japan) |
| 6th Author's Name |
Hideki Owada |
| 6th Author's Affiliation |
Brillnics Japan Inc. (Brillnics Japan) |
| 7th Author's Name |
Chia-Chi Kuo |
| 7th Author's Affiliation |
Brillnics Japan Inc. (Brillnics Japan) |
| 8th Author's Name |
Isao Takayanagi |
| 8th Author's Affiliation |
Brillnics Japan Inc. (Brillnics Japan) |
| 9th Author's Name |
Shunsuke Okura |
| 9th Author's Affiliation |
Ritsumeikan University (Ritsumeikan Univ.) |
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| Speaker |
Author-1 |
| Date Time |
2024-09-25 16:00:00 |
| Presentation Time |
20 minutes |
| Registration for |
IST |
| Paper # |
IST2024-51 |
| Volume (vol) |
vol.48 |
| Number (no) |
no.31 |
| Page |
pp.34-37 |
| #Pages |
4 |
| Date of Issue |
2024-09-18 (IST) |