JP5085566B2 - イメージセンサおよびディスプレイ - Google Patents
イメージセンサおよびディスプレイ Download PDFInfo
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- JP5085566B2 JP5085566B2 JP2008556981A JP2008556981A JP5085566B2 JP 5085566 B2 JP5085566 B2 JP 5085566B2 JP 2008556981 A JP2008556981 A JP 2008556981A JP 2008556981 A JP2008556981 A JP 2008556981A JP 5085566 B2 JP5085566 B2 JP 5085566B2
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- 239000003990 capacitor Substances 0.000 claims description 33
- 239000010409 thin film Substances 0.000 claims description 20
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
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- HOZOZZFCZRXYEK-GSWUYBTGSA-M butylscopolamine bromide Chemical compound [Br-].C1([C@@H](CO)C(=O)O[C@H]2C[C@@H]3[N+]([C@H](C2)[C@@H]2[C@H]3O2)(C)CCCC)=CC=CC=C1 HOZOZZFCZRXYEK-GSWUYBTGSA-M 0.000 description 1
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- 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
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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
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- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/1368—Active matrix addressed cells in which the switching element is a three-electrode device
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- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
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- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
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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
- H01L27/14632—Wafer-level processed structures
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- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
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- H04N25/76—Addressed sensors, e.g. MOS or CMOS sensors
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
- H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
- H04N3/14—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by means of electrically scanned solid-state devices
- H04N3/15—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by means of electrically scanned solid-state devices for picture signal generation
- H04N3/155—Control of the image-sensor operation, e.g. image processing within the image-sensor
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- G—PHYSICS
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- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/13338—Input devices, e.g. touch panels
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2360/00—Aspects of the architecture of display systems
- G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
-
- 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
- H01L27/14643—Photodiode arrays; MOS imagers
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electromagnetism (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Computer Hardware Design (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Nonlinear Science (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
- Solid State Image Pick-Up Elements (AREA)
- Liquid Crystal (AREA)
- Position Input By Displaying (AREA)
Description
(上記式中において、IPHOTOはフォトダイオードD1を流れる電流であり、tINTは積分期間の時間長であり、CTは積分ノード11の全静電容量である。)
全静電容量CTは、積分キャパシタC1の静電容量と、フォトダイオードD1の自己容量と、トランジスタM1のゲート容量との合計である。
+(VRS.H−VRS.L).CINT/CT
(上記式中において、VRS.HおよびVRS.Lは、それぞれ行選択信号の高い方の電位および行選択信号の低い方の電位であり、それぞれVDDおよびVSSと等しい電位とすることができる。)
したがって、積分ノード11の電位は、ソースフォロワ・トランジスタM1の閾電圧を超える電圧まで上昇し、その結果として、トランジスタM1は、列の端にあるバイアストランジスタM3と共にソースフォロワ増幅器として動作する。列出力に供給された出力電圧は、積分段階中に積分されたフォトダイオード電流を表し、したがって、フォトダイオードD1上に入射する光の強度を表す。
Claims (13)
- 少なくとも1つのセンサ素子を含むイメージセンサであって、
上記センサ素子(センサ素子が1つの場合)または各センサ素子(センサ素子が複数の場合)が、半導体増幅素子と、積分キャパシタと、フォトダイオードとを含み、
上記フォトダイオードが、上記半導体増幅素子の第1の制御電極および上記積分キャパシタの第1の端子に接続された第1の電極と、第1の制御入力に接続された第2の電極とを有し、上記第1の制御入力が、検知段階の間、上記フォトダイオードに逆バイアスをかけるための第1の電圧を受けるように、かつ、リセット段階の間、上記積分キャパシタを予め定められた電圧まで充電するように上記フォトダイオードに順バイアスをかけるための第2の電圧を受けるように構成されており、
上記第1の制御入力に入力される第1の制御信号は、上記第1の電圧、および上記第2の電圧からなる2値信号であり、
上記リセット段階および上記検知段階が、周期的に繰り返され、
上記フォトダイオードは、横型フォトダイオードであり、
上記第2の電圧は、上記第1の制御入力が上記リセット段階の前に受けていた電圧を、より高いレベルに上昇させたものであり、
上記フォトダイオードが、薄膜ダイオードであり、
上記積分キャパシタが、検知段階の間、上記半導体増幅素子を非作動にすると共に上記積分キャパシタによる上記フォトダイオードからの光電流の積分を可能とするための第3の電圧を受けるように、かつ、読み取り段階の間、上記半導体増幅素子を作動させるための第4の電圧を受けるように構成された第2の制御入力に接続された第2の端子を有しており、
上記第2の制御入力に入力される第2の制御信号は、上記第3の電圧、および上記第4の電圧からなる2値信号であることを特徴とするイメージセンサ。 - 上記半導体増幅素子が、電圧フォロワ構成を含む請求項1に記載のイメージセンサ。
- 上記半導体増幅素子が、第1のトランジスタを含む請求項1または2に記載のイメージセンサ。
- 上記第1のトランジスタが、薄膜トランジスタである請求項3に記載のイメージセンサ。
- 上記第1のトランジスタが、電界効果トランジスタである請求項3または4に記載のイメージセンサ。
- 上記少なくとも1つのセンサ素子が、複数の行および複数の列を含む第1のアレイとして構成された複数のセンサ素子を含む請求項1〜5のいずれか1項に記載のイメージセンサ。
- 複数の第1の行制御入力を含み、それら第1の行制御入力の各々が、それぞれの行の上記センサ素子の上記第1の制御入力に接続されている請求項6に記載のイメージセンサ。
- 複数の列出力を含み、それら列出力の各々は、それぞれの列の上記センサ素子の出力に接続されている請求項6または7に記載のイメージセンサ。
- 各列は、それぞれのバイアス用素子に接続されている請求項8に記載のイメージセンサ。
- 各バイアス用素子が、第3のトランジスタを含む請求項9に記載のイメージセンサ。
- 上記第3のトランジスタの各々が、薄膜トランジスタである請求項10に記載のイメージセンサ。
- 上記センサ素子をアドレスするためのアクティブマトリクスアドレッシング構成を含む請求項7〜11のいずれか1項に記載のイメージセンサ。
- 請求項1〜12のいずれか1項に記載のイメージセンサと、少なくとも1つの表示画素とを含むディスプレイ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0611537.2 | 2006-06-12 | ||
GB0611537A GB2439118A (en) | 2006-06-12 | 2006-06-12 | Image sensor and display |
PCT/JP2007/062184 WO2007145346A1 (en) | 2006-06-12 | 2007-06-11 | Image sensor and display |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009540628A JP2009540628A (ja) | 2009-11-19 |
JP5085566B2 true JP5085566B2 (ja) | 2012-11-28 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008556981A Expired - Fee Related JP5085566B2 (ja) | 2006-06-12 | 2007-06-11 | イメージセンサおよびディスプレイ |
Country Status (7)
Country | Link |
---|---|
US (1) | US9123613B2 (ja) |
EP (1) | EP2027717B1 (ja) |
JP (1) | JP5085566B2 (ja) |
KR (1) | KR101014019B1 (ja) |
CN (1) | CN101467443B (ja) |
GB (1) | GB2439118A (ja) |
WO (1) | WO2007145346A1 (ja) |
Families Citing this family (87)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2003073159A1 (en) | 2002-02-20 | 2003-09-04 | Planar Systems, Inc. | Light sensitive display |
US7009663B2 (en) | 2003-12-17 | 2006-03-07 | Planar Systems, Inc. | Integrated optical light sensitive active matrix liquid crystal display |
US7053967B2 (en) | 2002-05-23 | 2006-05-30 | Planar Systems, Inc. | Light sensitive display |
US20080084374A1 (en) | 2003-02-20 | 2008-04-10 | Planar Systems, Inc. | Light sensitive display |
US7773139B2 (en) | 2004-04-16 | 2010-08-10 | Apple Inc. | Image sensor with photosensitive thin film transistors |
JP2008017288A (ja) * | 2006-07-07 | 2008-01-24 | Rohm Co Ltd | 光電変換回路及びこれを用いた固体撮像装置 |
GB2448869A (en) * | 2007-04-20 | 2008-11-05 | Sharp Kk | Stray light compensation in ambient light sensor |
US8248081B2 (en) | 2007-09-06 | 2012-08-21 | Cypress Semiconductor Corporation | Calibration of single-layer touch-sensor device |
US8629927B2 (en) * | 2008-04-09 | 2014-01-14 | Gentex Corporation | Imaging device |
CN101933165A (zh) | 2008-04-28 | 2010-12-29 | 夏普株式会社 | 二极管和包括该二极管的光传感器电路以及显示装置 |
KR101286543B1 (ko) * | 2008-05-21 | 2013-07-17 | 엘지디스플레이 주식회사 | 액정표시장치 |
BRPI0913338A2 (pt) | 2008-06-03 | 2015-11-24 | Sharp Kk | dispositivo de vídeo |
CN102047308B (zh) * | 2008-06-03 | 2013-04-10 | 夏普株式会社 | 显示装置 |
US8427464B2 (en) | 2008-07-16 | 2013-04-23 | Sharp Kabushiki Kaisha | Display device |
RU2451983C1 (ru) | 2008-09-02 | 2012-05-27 | Шарп Кабусики Кайся | Дисплейное устройство |
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KR101014019B1 (ko) | 2011-02-14 |
WO2007145346A1 (en) | 2007-12-21 |
EP2027717B1 (en) | 2012-11-14 |
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