JP5727796B2 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
- Publication number
- JP5727796B2 JP5727796B2 JP2011002597A JP2011002597A JP5727796B2 JP 5727796 B2 JP5727796 B2 JP 5727796B2 JP 2011002597 A JP2011002597 A JP 2011002597A JP 2011002597 A JP2011002597 A JP 2011002597A JP 5727796 B2 JP5727796 B2 JP 5727796B2
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- transistor
- photosensor
- signal line
- potential
- photodiode
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Images
Classifications
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- H03K23/00—Pulse counters comprising counting chains; Frequency dividers comprising counting chains
- H03K23/40—Gating or clocking signals applied to all stages, i.e. synchronous counters
- H03K23/50—Gating or clocking signals applied to all stages, i.e. synchronous counters using bi-stable regenerative trigger circuits
- H03K23/54—Ring counters, i.e. feedback shift register counters
- H03K23/548—Reversible counters
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- H—ELECTRICITY
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- H03M1/12—Analogue/digital converters
- H03M1/1205—Multiplexed conversion systems
- H03M1/123—Simultaneous, i.e. using one converter per channel but with common control or reference circuits for multiple converters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/60—Noise processing, e.g. detecting, correcting, reducing or removing noise
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- H—ELECTRICITY
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/70—SSIS architectures; Circuits associated therewith
- H04N25/71—Charge-coupled device [CCD] sensors; Charge-transfer registers specially adapted for CCD sensors
- H04N25/75—Circuitry for providing, modifying or processing image signals from the pixel array
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- H—ELECTRICITY
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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- H04N25/70—SSIS architectures; Circuits associated therewith
- H04N25/76—Addressed sensors, e.g. MOS or CMOS sensors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
- H01L27/144—Devices controlled by radiation
- H01L27/146—Imager structures
- H01L27/14601—Structural or functional details thereof
- H01L27/14609—Pixel-elements with integrated switching, control, storage or amplification elements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
- H01L27/144—Devices controlled by radiation
- H01L27/146—Imager structures
- H01L27/14665—Imagers using a photoconductor layer
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
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- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/60—Analogue/digital converters with intermediate conversion to frequency of pulses
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Electromagnetism (AREA)
- Solid State Image Pick-Up Elements (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
- Thin Film Transistor (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Light Receiving Elements (AREA)
- Analogue/Digital Conversion (AREA)
Description
本実施の形態では、本発明の一態様である半導体装置の構成の一例について、図1乃至図8を参照しながら説明する。
次に、A/D変換回路の出力値を補正しない場合のフォトセンサの読み出し動作の一例について、図7のタイミングチャートを用いて説明する。図7において、信号701〜信号704は、それぞれ、図2におけるフォトダイオードリセット信号線208の電位、トランジスタ206のゲートに電気的に接続されたゲート信号線209の電位、トランジスタ205のゲートに電気的に接続された配線213の電位、フォトセンサ出力信号線211の電位に相当する。また、信号705は、図6における第1の予備読み出し回路制御信号線351の電位に相当する。また、信号706〜信号718は、それぞれ、図5におけるストップ信号線404の電位、VCOの出力信号線403の電位、リセット信号線405の電位、計数値増減制御信号線407の電位、信号線531〜信号線534の電位、セット信号線406の電位、第0ビット信号線535〜第3ビット信号線538の電位に相当する。
本実施の形態では、本発明の一態様である半導体装置の構成の一例について説明する。具体的には、フォトセンサが設けられた画素部を有する表示装置(タッチパネル)の一例について説明する。
本実施の形態では、本発明の一態様である半導体装置の構成の一例について説明する。具体的には、実施の形態1で説明したフォトセンサ106の回路構成とは別の構成について説明する。
本実施の形態では、フォトセンサを有する半導体装置の構造及び作製方法の一例について説明する。具体的には、実施の形態1で説明した図2に示すフォトセンサが基板上に設けられた半導体装置の構造及び作製方法の一例について説明する。
本実施の形態では、フォトセンサを有する半導体装置を具備する電子機器の一例について説明する。電子機器の具体例としては、表示装置、ノート型パーソナルコンピュータ、記録媒体を備えた画像再生装置(代表的には、メモリーカードやメモリースティック等の補助記憶装置に記録された画像データを再生することが可能な表示装置)、携帯電話機、携帯型ゲーム機、携帯情報端末、電子書籍、ビデオカメラ、デジタルスチルカメラなどのカメラ、ナビゲーションシステム、音響再生装置(カーオーディオ、デジタルオーディオプレイヤー等)、複写機、ファクシミリ、プリンター、プリンター複合機、現金自動預け入れ払い機(ATM)、自動販売機などが挙げられる。
101 画素部
102 表示素子制御回路
103 フォトセンサ制御回路
104 画素
105 表示素子
106 フォトセンサ
107 表示素子駆動回路
108 表示素子駆動回路
109 フォトセンサ読み出し回路
110 フォトセンサ駆動回路
120 フォトセンサ部
201 トランジスタ
202 保持容量
203 液晶素子
204 フォトダイオード
205 トランジスタ
206 トランジスタ
207 ゲート信号線
208 フォトダイオードリセット信号線
209 ゲート信号線
210 ビデオデータ信号線
211 フォトセンサ出力信号線
212 フォトセンサ基準信号線
213 配線
231 トランジスタ
232 配線
233 容量
234 配線
241 トランジスタ
242 配線
243 配線
244 配線
301〜309 ADC
310 ADC制御回路
311〜319 フォトセンサ信号線
320 出力信号線
321〜329 ADC出力信号線
331〜339 ADC制御信号線
341〜349 予備読み出し回路
351〜359 回路制御信号線
401 発振回路VCO
402 カウンタ回路
403 出力信号線
404 ストップ信号線
405 リセット信号線
406 セット信号線
407 計数値増減制御信号線
500 否定論理和回路
501〜506 トランジスタ
507〜512 トランジスタ
513〜518 トランジスタ
519〜522 リセット付きフリップフロップ
523〜526 フリップフロップ
527〜530 信号線
531〜534 信号線
535〜538 信号線
539 加算減算回路
601 トランジスタ
602 保持容量
701〜718 電位
801〜818 電位
831 電位
1001 基板
1005 半導体層
1006 半導体層
1007 絶縁膜
1009 絶縁膜
1010 ゲート電極
1011 絶縁膜
1012 半導体層
1014 配線
1021 p層
1022 i層
1023 n層
1031 絶縁膜
1201 被検出物
1202 照射光
Claims (3)
- フォトセンサと、アナログ/デジタル変換回路とを有し、
前記フォトセンサは、フォトダイオードと、トランジスタとを有し、
前記フォトダイオードは、pin型のフォトダイオードであり、
前記トランジスタは、絶縁層を介して、前記フォトダイオードのp層又はn層と重なる領域を有し、
前記フォトダイオードのi層は、前記トランジスタと重ならない領域を有し、
前記アナログ/デジタル変換回路は、発振回路と、カウンタ回路とを有し、
前記フォトセンサより出力された第1の信号は、前記発振回路に入力され、
前記発振回路は、前記第1の信号に対応した発振周波数の第2の信号を出力する機能を有し、
前記カウンタ回路は、前記第2の信号をクロック信号として、加算または減算するカウント機能を有することを特徴とする半導体装置。 - フォトセンサと、アナログ/デジタル変換回路とを有し、
前記フォトセンサは、フォトダイオード、第1のトランジスタ、及び第2のトランジスタを有し、
前記フォトダイオードは、pin型のフォトダイオードであり、
前記第2のトランジスタは、絶縁層を介して、前記フォトダイオードのp層又はn層と重なる領域を有し、
前記フォトダイオードのi層は、前記第2のトランジスタと重ならない領域を有し、
前記アナログ/デジタル変換回路は、発振回路と、カウンタ回路とを有し、
前記フォトダイオードの一方の電極は、第1の配線に電気的に接続され、
前記フォトダイオードの他方の電極は、前記第1のトランジスタのゲートに電気的に接続され、
前記第1のトランジスタのソースまたはドレインの一方は、第2の配線に電気的に接続され、
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2のトランジスタのソースまたはドレインの一方に電気的に接続され、
前記第2のトランジスタのソースまたはドレインの他方は、第1の信号を出力する第3の配線に電気的に接続され、
前記第2のトランジスタのゲートは、第4の配線に電気的に接続され、
前記第1の信号は、前記発振回路に入力され、
前記発振回路は、前記第1の信号に対応した発振周波数の第2の信号を出力する機能を有し、
前記カウンタ回路は、前記第2の信号をクロック信号として、加算または減算するカウント機能を有することを特徴とする半導体装置。 - フォトセンサと、読み出し回路とを有し、
前記読み出し回路は、アナログ/デジタル変換回路を有し、
前記フォトセンサより出力された信号は、前記読み出し回路に入力され、
前記フォトセンサは、フォトダイオードと、トランジスタとを有し、
前記フォトダイオードは、pin型のフォトダイオードであり、
前記トランジスタは、絶縁層を介して、前記フォトダイオードのp層又はn層と重なる領域を有し、
前記フォトダイオードのi層は、前記トランジスタと重ならない領域を有することを特徴とする半導体装置。
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US (1) | US9871526B2 (ja) |
JP (3) | JP5727796B2 (ja) |
KR (1) | KR101733755B1 (ja) |
CN (1) | CN102725961B (ja) |
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WO (1) | WO2011086829A1 (ja) |
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2010
- 2010-12-16 CN CN201080061288.3A patent/CN102725961B/zh not_active Expired - Fee Related
- 2010-12-16 WO PCT/JP2010/073256 patent/WO2011086829A1/en active Application Filing
- 2010-12-16 KR KR1020127020021A patent/KR101733755B1/ko active IP Right Grant
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2011
- 2011-01-04 US US12/984,061 patent/US9871526B2/en not_active Expired - Fee Related
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JP6025902B2 (ja) | 2016-11-16 |
CN102725961A (zh) | 2012-10-10 |
KR20120116458A (ko) | 2012-10-22 |
JP2017063433A (ja) | 2017-03-30 |
KR101733755B1 (ko) | 2017-05-08 |
CN102725961B (zh) | 2017-10-13 |
US20110176652A1 (en) | 2011-07-21 |
JP2015149497A (ja) | 2015-08-20 |
JP6313393B2 (ja) | 2018-04-18 |
TWI587701B (zh) | 2017-06-11 |
US9871526B2 (en) | 2018-01-16 |
JP2011166751A (ja) | 2011-08-25 |
WO2011086829A1 (en) | 2011-07-21 |
TW201138450A (en) | 2011-11-01 |
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