JP6044358B2 - 電気光学装置用基板、電気光学装置、および電子機器 - Google Patents
電気光学装置用基板、電気光学装置、および電子機器 Download PDFInfo
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
- H01L29/78606—Thin film transistors, i.e. transistors with a channel being at least partly a thin film with supplementary region or layer in the thin film or in the insulated bulk substrate supporting it for controlling or increasing the safety of the device
- H01L29/78633—Thin film transistors, i.e. transistors with a channel being at least partly a thin film with supplementary region or layer in the thin film or in the insulated bulk substrate supporting it for controlling or increasing the safety of the device with a light shield
-
- 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
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/1218—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition or structure of the substrate
-
- 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
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/124—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition, shape or layout of the wiring layers specially adapted to the circuit arrangement, e.g. scanning lines in LCD pixel circuits
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Liquid Crystal (AREA)
- Ceramic Engineering (AREA)
- Thin Film Transistor (AREA)
Description
<電気光学装置>
ここでは、電気光学装置として、薄膜トランジスター(Thin Film Transistor:TFT)を画素のスイッチング素子として備えたアクティブマトリックス型の液晶装置を例に挙げて説明する。この液晶装置は、例えば、後述する投射型表示装置(プロジェクター)の光変調素子(液晶ライトバルブ)として好適に用いることができるものである。
<電子機器>
次に、第2の実施形態に係る電子機器について図7を参照して説明する。図7は、第2の実施形態に係る電子機器としてのプロジェクターの構成を示す概略図である。
上記実施形態に係る液晶装置1は、画素電極15および共通電極23が光透過性を有する導電膜で形成された透過型の液晶装置であったが、本発明はこのような形態に限定されない。液晶装置1の画素電極15または共通電極23をアルミニウムなどの光反射性を有する導電膜で形成して、反射型の液晶装置としてもよい。画素電極15を光反射性導電膜で形成すれば、対向基板20側から入射した光が、素子基板10側(画素電極15)で反射して対向基板20側から射出される間に光変調される。共通電極23を光反射性導電膜で形成すれば、素子基板10側から入射した光が、対向基板20側(共通電極23)で反射して素子基板10側から射出される間に光変調される。
上記の実施形態の電子機器(プロジェクター100)では、液晶装置1が適用された3枚の液晶ライトバルブ121,122,123を備えていたが、本発明はこのような形態に限定されない。電子機器は、2枚以下の液晶ライトバルブ(液晶装置1)を備えた構成であってもよいし、4枚以上の液晶ライトバルブ(液晶装置1)を備えた構成であってもよい。
上記実施形態に係る液晶装置1を適用可能な電子機器は、プロジェクター100に限定されない。液晶装置1は、例えば、投射型のHUD(ヘッドアップディスプレイ)や直視型のHMD(ヘッドマウントディスプレイ)、または電子ブック、パーソナルコンピューター、デジタルスチルカメラ、液晶テレビ、ビューファインダー型あるいはモニター直視型のビデオレコーダー、カーナビゲーションシステム、電子手帳、POSなどの情報端末機器の表示部として好適に用いることができる。
Claims (6)
- 半導体層とゲート電極とを有するスイッチング素子を備えた電気光学装置用基板であって、
基板と、
前記基板の上面の側に、第1方向に延在するように設けられた遮光性を有する走査線と、
前記基板と前記走査線とを覆う第1絶縁層と、
前記第1絶縁層上に、平面視で前記走査線と重なるように設けられた前記半導体層と、
前記第1絶縁層と前記半導体層とを覆う第2絶縁層と、
前記第1絶縁層と前記第2絶縁層とを貫通し、平面視で前記第1方向と交差する第2方向に前記半導体層を挟むように、前記半導体層の両側に設けられた凹部と、
前記第2絶縁層上に平面視で前記走査線および前記半導体層のチャネル領域と重なるように設けられ、前記凹部の内部において前記走査線に電気的に接続された前記ゲート電極と、
前記第2絶縁層と前記ゲート電極と前記凹部とを覆う第3絶縁層と、
前記第3絶縁層上に、前記第2方向に延在するとともに、平面視で前記走査線、前記半導体層、前記ゲート電極、および前記凹部と重なるように設けられた遮光性を有するデータ線と、を備え、
前記凹部は、平面視で前記走査線と重なる第1凹部と、前記第1凹部から前記走査線の外側に延在する第2凹部と、を有していることを特徴とする電気光学装置用基板。 - 請求項1に記載の電気光学装置用基板であって、
前記第2凹部は、平面視で前記第2方向に沿って延びる部分を含むことを特徴とする電気光学装置用基板。 - 請求項2に記載の電気光学装置用基板であって、
前記第2凹部は、前記第1絶縁層と前記第2絶縁層とを貫通するとともに前記基板の前記上面から窪んでおり、
前記ゲート電極は、前記第1凹部において前記走査線上に形成され、前記第2凹部において前記走査線よりも下方まで形成されていることを特徴とする電気光学装置用基板。 - 請求項3に記載の電気光学装置用基板であって、
前記データ線は、前記第2凹部において前記走査線よりも下方まで形成されていることを特徴とする電気光学装置用基板。 - 複数の画素電極と、前記複数の画素電極の各々に対応するスイッチング素子と、が設けられた第1基板と、
前記第1基板に対向配置された第2基板と、
前記第1基板と前記第2基板との間に設けられた電気光学物質層と、を備え、
前記第1基板が、請求項1から4のいずれか一項に記載の電気光学装置用基板であることを特徴とする電気光学装置。 - 請求項5に記載の電気光学装置を備えていることを特徴とする電子機器。
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JP2013006992A JP6044358B2 (ja) | 2013-01-18 | 2013-01-18 | 電気光学装置用基板、電気光学装置、および電子機器 |
US14/154,776 US9082854B2 (en) | 2013-01-18 | 2014-01-14 | Electrooptic device substrate for shielding light from switching element, electrooptic device, and electronic apparatus |
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JP2010191163A (ja) | 2009-02-18 | 2010-09-02 | Seiko Epson Corp | 電気光学装置及び電子機器 |
JP5663904B2 (ja) | 2010-03-08 | 2015-02-04 | セイコーエプソン株式会社 | 電気光学装置及びその製造方法、並びに電子機器 |
JP2011203288A (ja) * | 2010-03-24 | 2011-10-13 | Seiko Epson Corp | 電気光学装置及び電子機器 |
JP5609583B2 (ja) * | 2010-11-19 | 2014-10-22 | セイコーエプソン株式会社 | 電気光学装置、電気光学装置の製造方法、電子機器 |
JP2012155198A (ja) * | 2011-01-27 | 2012-08-16 | Seiko Epson Corp | 電気光学装置及び電子機器 |
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