JP7467061B2 - 検出装置 - Google Patents
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- JP7467061B2 JP7467061B2 JP2019186138A JP2019186138A JP7467061B2 JP 7467061 B2 JP7467061 B2 JP 7467061B2 JP 2019186138 A JP2019186138 A JP 2019186138A JP 2019186138 A JP2019186138 A JP 2019186138A JP 7467061 B2 JP7467061 B2 JP 7467061B2
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Description
図1は、第1実施形態に係る検出装置を有する照明装置付き検出機器の概略断面構成を示す断面図である。図1に示すように、照明装置付き検出機器120は、検出装置1と、照明装置121と、カバーガラス122とを有する。検出装置1の表面に垂直な方向において、照明装置121、検出装置1、カバーガラス122の順に積層されている。
3 検出素子
10 センサ部
15A 第1ゲート線駆動回路
15B 第2ゲート線駆動回路
16 信号線選択回路
21 基板
22、23、24、25、26、27、28、29 絶縁膜
30 光電変換素子
31 i型半導体層
32 n型半導体層
33 p型半導体層
34 上部電極
34a 接続配線
48 検出回路
AA 検出領域
GA 周辺領域
GLrst リセット制御走査線
GLrd 読出制御走査線
SL 出力信号線
SLsf 電源信号線
SLrst リセット信号線
SLcom 基準信号線
Vsf 電源電位
Vcom 基準電位
Vrst リセット電位
RST リセット制御信号
RD 読出制御信号
Mrst リセットトランジスタ
Mrd 読出トランジスタ
Msf ソースフォロワトランジスタ
Claims (10)
- 基板と、
前記基板に設けられ、光起電力効果を有する半導体層を含む複数の光電変換素子と、
複数の前記光電変換素子のそれぞれに対応して設けられた複数のトランジスタと、
第1方向に隣り合う複数の前記光電変換素子の間に設けられ、前記第1方向と交差する第2方向に延在し、前記光電変換素子又は複数の前記トランジスタのいずれかに信号を供給する複数の信号線と、を有し、
1つの検出素子は、前記光電変換素子と、前記光電変換素子と前記第2方向に隣り合って配置された複数の前記トランジスタを含み構成され、
複数の前記信号線のうち第1信号線は、第1検出素子の前記光電変換素子と、前記第1検出素子の第1方向の一方に隣接する第2検出素子の前記光電変換素子との間に配置されて、前記第1検出素子及び前記第2検出素子に接続され、
複数の前記信号線のうち第2信号線は、前記第1検出素子の前記光電変換素子と、前記第1検出素子の第1方向の他方に隣接する第3検出素子の前記光電変換素子との間に配置されて、前記第1検出素子及び前記第3検出素子に接続され、
前記第1検出素子と前記第1信号線との間に配置され、前記第1検出素子の前記光電変換素子の電位を所定の電位にリセットするための第1リセット信号線と、
前記第2検出素子と前記第1信号線との間に配置され、前記第2検出素子の前記光電変換素子の電位を所定の電位にリセットするための第2リセット信号線と、
前記第1検出素子と前記第2信号線との間に配置され、前記第1検出素子の前記光電変換素子の電位に対応した信号を出力するための第1出力信号線と、
前記第3検出素子と前記第2信号線との間に配置され、前記第3検出素子の前記光電変換素子の電位に対応した信号を出力するための第2出力信号線と、を有する
検出装置。 - 複数の前記信号線は、前記光電変換素子に基準電位を供給する基準信号線を含み、
第1方向に隣り合う2つの前記光電変換素子は、2つの前記光電変換素子の間に配置された1つの前記基準信号線に電気的に接続され、前記基準信号線を挟んで対称に配置される
請求項1に記載の検出装置。 - 前記第2信号線は前記基準信号線であり、
前記基準信号線は、前記第1方向に隣り合う2つの前記第1出力信号線と前記第2出力信号線との間に設けられる
請求項2に記載の検出装置。 - 複数の前記光電変換素子は、等しい配置ピッチで前記第1方向に配列される
請求項1から請求項3のいずれか1項に記載の検出装置。 - 前記光電変換素子の外形形状は、それぞれ、前記光電変換素子の前記第1方向の中点を通り、前記第2方向に平行な仮想線を対称軸として対称である
請求項1から請求項4のいずれか1項に記載の検出装置。 - 前記検出素子は、それぞれ前記第1方向に延在し、前記第2方向に隣り合う複数のゲート線を含み、
複数の前記トランジスタは、前記第2方向に隣り合う複数のゲート線の間に配置される
請求項1から請求項5のいずれか1項に記載の検出装置。 - 前記第1検出素子の前記光電変換素子を挟んで配置された、前記第1信号線及び第1リセット信号線と、第2信号線及び前記第1出力信号線とが占める領域は、前記光電変換素子の第1方向の中点を通り、前記第2方向に平行な仮想線を対称軸として対称となる
請求項1から請求項6のいずれか1項に記載の検出装置。 - 前記トランジスタは、ソースフォロワトランジスタ、リセットトランジスタ及び読出トランジスタを含み、
複数の前記信号線は、前記リセットトランジスタにリセット信号を供給するリセット信号線及び前記ソースフォロワトランジスタに電源電位を供給する電源信号線を含み、
第1方向に隣り合う2つの前記ソースフォロワトランジスタは、2つの前記ソースフォロワトランジスタの間に配置された1つの前記電源信号線に電気的に接続され、前記電源信号線を挟んで対称に配置される
請求項1から請求項7のいずれか1項に記載の検出装置。 - 基板と、
前記基板に設けられ、光起電力効果を有する半導体層を含む複数の光電変換素子と、
複数の前記光電変換素子のそれぞれに対応して設けられた複数のトランジスタと、
第1方向に隣り合う複数の前記光電変換素子の間に設けられ、前記第1方向と交差する第2方向に延在し、前記光電変換素子又は複数の前記トランジスタのいずれかに信号を供給する複数の信号線と、を有し、
1つの検出素子は、前記光電変換素子と、前記光電変換素子と前記第2方向に隣り合って配置された複数の前記トランジスタを含み構成され、
複数の前記信号線のうち第1信号線は、第1検出素子の前記光電変換素子と、前記第1検出素子の第1方向の一方に隣接する第2検出素子の前記光電変換素子との間に配置されて、前記第1検出素子及び前記第2検出素子に接続され、
複数の前記信号線のうち第2信号線は、前記第1検出素子の前記光電変換素子と、前記第1検出素子の第1方向の他方に隣接する第3検出素子の前記光電変換素子との間に配置されて、前記第1検出素子及び前記第3検出素子に接続され、
前記トランジスタは、ソースフォロワトランジスタ、リセットトランジスタ及び読出トランジスタを含み、
複数の前記信号線は、前記リセットトランジスタにリセット信号を供給するリセット信号線及び前記ソースフォロワトランジスタに電源電位を供給する電源信号線を含み、
第1方向に隣り合う2つの前記ソースフォロワトランジスタは、2つの前記ソースフォロワトランジスタの間に配置された1つの前記電源信号線に電気的に接続され、2つの前記リセット信号線及び前記電源信号線を挟んで対称に配置される
検出装置。 - 前記電源信号線は、前記第1方向に隣り合う2つの前記リセット信号線の間に設けられる
請求項8又は請求項9に記載の検出装置。
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