JP6602763B2 - 撮像装置 - Google Patents
撮像装置 Download PDFInfo
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- JP6602763B2 JP6602763B2 JP2016535551A JP2016535551A JP6602763B2 JP 6602763 B2 JP6602763 B2 JP 6602763B2 JP 2016535551 A JP2016535551 A JP 2016535551A JP 2016535551 A JP2016535551 A JP 2016535551A JP 6602763 B2 JP6602763 B2 JP 6602763B2
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- transistor
- oxide semiconductor
- layer
- film
- semiconductor layer
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- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- LXEXBJXDGVGRAR-UHFFFAOYSA-N trichloro(trichlorosilyl)silane Chemical compound Cl[Si](Cl)(Cl)[Si](Cl)(Cl)Cl LXEXBJXDGVGRAR-UHFFFAOYSA-N 0.000 description 1
- RGGPNXQUMRMPRA-UHFFFAOYSA-N triethylgallium Chemical compound CC[Ga](CC)CC RGGPNXQUMRMPRA-UHFFFAOYSA-N 0.000 description 1
- MCULRUJILOGHCJ-UHFFFAOYSA-N triisobutylaluminium Chemical compound CC(C)C[Al](CC(C)C)CC(C)C MCULRUJILOGHCJ-UHFFFAOYSA-N 0.000 description 1
- JLTRXTDYQLMHGR-UHFFFAOYSA-N trimethylaluminium Chemical compound C[Al](C)C JLTRXTDYQLMHGR-UHFFFAOYSA-N 0.000 description 1
- IBEFSUTVZWZJEL-UHFFFAOYSA-N trimethylindium Chemical compound C[In](C)C IBEFSUTVZWZJEL-UHFFFAOYSA-N 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
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Description
本実施の形態では、本発明の一態様である撮像装置について、図面を参照して説明する。
(実施の形態2)
本実施の形態では、画素回路の駆動方法の一例について説明する。
また、信号510、信号511、信号512は、第1行目、第2行目、第n行目の各画素回路に接続された配線SELに入力される信号である。
本実施の形態では、本発明の一態様に用いることのできる酸化物半導体を有するトランジスタについて図面を用いて説明する。なお、本実施の形態における図面では、明瞭化のために一部の要素を拡大、縮小、または省略して図示している。
本実施の形態では、実施の形態5に示したトランジスタの構成要素について詳細を説明する。
本実施の形態では、実施の形態3で説明したトランジスタ101、およびトランジスタ107の作製方法を説明する。
以下では、本発明の一態様に用いることのできる酸化物半導体膜の構造について説明する。
32 回路
33 回路
34 回路
40 シリコン基板
51 トランジスタ
52 トランジスタ
53 トランジスタ
54 トランジスタ
55 トランジスタ
56 トランジスタ
57 トランジスタ
58 トランジスタ
59 トランジスタ
60 フォトダイオード
61 フォトダイオード
62 フォトダイオード
63 フォトダイオード
65B 分光素子
65G 分光素子
65R 分光素子
66 領域
67 ミラー
80 絶縁層
90 回路部
92 回路部
101 トランジスタ
102 トランジスタ
103 トランジスタ
104 トランジスタ
105 トランジスタ
106 トランジスタ
107 トランジスタ
108 トランジスタ
109 トランジスタ
110 トランジスタ
111 トランジスタ
112 トランジスタ
115 基板
120 絶縁層
130 酸化物半導体層
130a 酸化物半導体層
130A 酸化物半導体膜
130b 酸化物半導体層
130B 酸化物半導体膜
130c 酸化物半導体層
130C 酸化物半導体膜
140 導電層
141 導電層
141a 導電層
142 導電層
150 導電層
151 導電層
152 導電層
156 レジストマスク
160 絶縁層
160A 絶縁膜
170 導電層
171 導電層
171A 導電膜
172 導電層
172A 導電膜
173 導電層
175 絶縁層
180 絶縁層
231 領域
232 領域
233 領域
331 領域
332 領域
333 領域
334 領域
335 領域
501 信号
502 信号
503 信号
504 信号
505 信号
506 信号
507 信号
508 信号
509 信号
510 信号
511 信号
512 信号
515 期間
516 期間
517 期間
615 期間
617 期間
621 期間
622 期間
623 期間
901 筐体
902 筐体
903 表示部
904 表示部
905 マイク
906 スピーカー
907 操作キー
908 スタイラス
909 カメラ
911 筐体
912 表示部
919 カメラ
921 筐体
922 シャッターボタン
923 マイク
925 レンズ
927 発光部
931 筐体
932 表示部
933 リストバンド
939 カメラ
941 筐体
942 筐体
943 表示部
944 操作キー
945 レンズ
946 接続部
951 筐体
952 表示部
954 スピーカー
955 ボタン
956 入出力端子
957 マイク
959 カメラ
1500 素子分離層
1510 遮光層
1520 絶縁層
1540 マイクロレンズ
1541 マイクロレンズ
Claims (7)
- 画素回路と、分光素子と、を有する撮像装置であって、
前記画素回路は、第1の回路と、第2の回路と、第3の回路と、第1の容量素子と、を有し、
前記第1の回路は、第1の光電変換素子と、第1のトランジスタと、第2のトランジスタを有し、
前記第2の回路は、第2の光電変換素子と、第3のトランジスタと、第4のトランジスタを有し、
前記第3の回路は、第5のトランジスタと、第6のトランジスタと、第7のトランジスタと、第2の容量素子を有し、
前記分光素子は、前記第1の光電変換素子上または前記第2の光電変換素子上に設けられ、前記第1の光電変換素子の一方の端子は、前記第1のトランジスタのソースまたはドレインの一方と電気的に接続され、
前記第2のトランジスタのソースまたはドレインの一方は、前記第1のトランジスタのソースまたはドレインの一方と電気的に接続され、
前記第1のトランジスタのソースまたはドレインの他方は、前記第1の容量素子の一方の端子と電気的に接続され、
前記第2の光電変換素子の一方の端子は、前記第3のトランジスタのソースまたはドレインの一方と電気的に接続され、
前記第4のトランジスタのソースまたはドレインの一方は、前記第3のトランジスタのソースまたはドレインの一方と電気的に接続され、
前記第4のトランジスタのソースまたはドレインの他方は、前記第1の容量素子の一方の端子と電気的に接続され、
前記第5のトランジスタのソースまたはドレインの一方は、前記第1の容量素子の他方の端子と電気的に接続され、
前記第2の容量素子の一方の端子は、前記第1の容量素子の他方の端子と電気的に接続され、
前記第6のトランジスタのゲートは、前記第1の容量素子の他方の端子と電気的に接続され、
前記第6のトランジスタのソースまたはドレインの一方は、前記第7のトランジスタのソースまたはドレイン一方と電気的に接続されていることを特徴とする撮像装置。 - 請求項1において、
前記第1の容量素子の容量値は、前記第2の容量素子の容量値よりも大きいことを特徴とする撮像装置。 - 請求項1または請求項2において、
前記第1の光電変換素子の一方の端子、前記第1のトランジスタのソースまたはドレインの一方、および前記第1の容量素子の一方の端子間における容量値と、前記第2の光電変換素子の一方の端子、前記第3のトランジスタのソースまたはドレインの一方、および前記第1の容量素子の一方の端子間における容量値とは、同等であることを特徴とする撮像装置。 - 請求項1乃至請求項3のいずれか一において、
前記分光素子は、前記第1の光電変換素子上に設けられ
前記第1の光電変換素子には、前記画素回路に入射された光(W)から、赤(R)、緑(G)、青(B)に対応する波長の光成分のいずれか一つが除かれたW−R、W−GまたはW−Bの光が入射し、
前記第2の光電変換素子には、前記画素回路に入射された光(W)および前記除かれた光が合成されたW+R、W+GまたはW+Bが入射することを特徴とする撮像装置。 - 請求項1乃至請求項3のいずれか一において、
前記分光素子は、前記第2の光電変換素子上に設けられ、前記第2の光電変換素子には、前記画素回路に入射された光(W)から、赤(R)、緑(G)、青(B)に対応する波長の光成分の1/2のいずれか二つが除かれたW−(R/2)−(B/2)、W−(R/2)−(G/2)またはW−(B/2)−(G/2)の光が入射し、
前記第1の光電変換素子には、前記画素回路に入射された光(W)および前記除かれた光が合成されたW+(R/2)+(B/2)、W+(R/2)+(G/2)またはW+(B/2)+(G/2)が入射することを特徴とする撮像装置。 - 請求項4または請求項5において、
前記第2の光電変換素子には、前記画素回路を有する画素に隣接する画素における前記除かれた光の一部が入射されることを特徴とする撮像装置。 - 請求項1乃至請求項6のいずれか一において、
前記第1乃至第7のトランジスタの一部または全ては、酸化物半導体を有し、前記酸化物半導体は、Inと、Znと、M(MはAl、Ti、Ga、Sn、Y、Zr、La、Ce、NdまたはHf)と、を有することを特徴とする撮像装置。
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