JP5834705B2 - 電気光学装置、及び電子機器 - Google Patents
電気光学装置、及び電子機器 Download PDFInfo
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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
- H01L27/02—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
- H01L27/1255—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 integrated with passive devices, e.g. auxiliary capacitors
-
- 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
- G02F1/136213—Storage capacitors associated with the pixel electrode
-
- 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
- G02F1/136286—Wiring, e.g. gate line, drain line
-
- 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
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/40—Arrangements for improving the aperture ratio
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- Condensed Matter Physics & Semiconductors (AREA)
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- Microelectronics & Electronic Packaging (AREA)
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
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Description
<電気光学装置の構成>
図1(a)は、電気光学装置としての液晶装置の構成を示す模式平面図である。図1(b)は、図1(a)に示す液晶装置のH−H’線に沿う模式断面図である。図2は、液晶装置の電気的な構成を示す等価回路図である。以下、液晶装置の構造を、図1及び図2を参照しながら説明する。
図8は、上記した液晶装置を備えた電子機器としての投射型表示装置の構成を示す概略図である。以下、液晶装置を備えた投射型表示装置の構成を、図8を参照しながら説明する。
<電気光学装置の構成>
図9は、第2実施形態の電気光学装置としての液晶装置の構造を示す模式平面図である。図10は、図9の液晶装置の画素のA−A’線に沿う模式断面図である。以下、画素の平面的な構造と断面構造について、図9及び図10を参照しながら説明する。
上記したように、容量素子16を構成する2つの容量電極16a,16cが金属層(アルミニウム、窒化チタンなど)で構成されていることに限定されず、例えば、ITOなど透明導電膜で構成するようにしてもよい。
上記した第2実施形態のように、第1容量電極116aの形状がL字状であることに限定されず、例えば、第1容量電極116aの面積が極端に減らない形状であれば、その他の形状でもよい。また、コンタクトホールCNT4の周長を長くするように、コンタクトホールCNT4の周部を波状にしてもよい。
上記実施形態では、コンタクトホールCNT8の位置を平面視でコンタクトホールCNT4と重ならない位置に設けるようにしたが、コンタクトホールCNT8の位置を平面視でコンタクトホールCNT4と重なる位置にしてもよい。これにより、コンタクトホールCNT8及びコンタクトホールCNT4のコンタクト面積を広げることができる。
上記したように、上記液晶装置100などの電気光学装置は、例えば、トランジスターを備えたアクティブ駆動型の電気光学装置であって、有機EL(Electro Luminescence)装置、電気泳動装置などの表示装置にも適用することができる。また、反射型液晶装置(LCOS)、プラズマディスプレイ(PDP)、電界放出型ディスプレイ(FED、SED)、デジタルマイクロミラーデバイス(DMD)にも適用可能である。
上記したように、電子機器として投射型表示装置1000(プロジェクター)を例に説明してきたが、これに限定されず、例えば、ビューワー、ビューファインダー、ヘッドマウントディスプレイなどに適用するようにしてもよい。また、液晶テレビ、携帯電話、電子手帳、ワードプロセッサー、ビューファインダー型又はモニター直視型のビデオテープレコーダー、ワークステーション、モバイル型のパーソナルコンピューター、テレビ電話、POS端末、ページャー、電卓、タッチパネルなどの各種電子機器、また、電子ペーパーなどの電気泳動装置、カーナビゲーション装置等に適用するようにしてもよい。
Claims (7)
- ゲート電極、第1ソースドレイン領域、第2ソースドレイン領域を有するトランジスターと、
前記ゲート電極と電気的に接続された走査線と、前記第1ソースドレイン領域と電気的に接続されたデータ線と、前記第2ソースドレイン領域と電気的に接続された画素電極と、
容量線に電気的に接続された第1容量電極と、前記第1容量電極と対向して設けられた第2容量電極と、前記第1容量電極と前記第2容量電極とに挟持された誘電体層と、を有する容量素子と、
を備え、
前記トランジスターと前記走査線と前記データ線とが設けられた層と、前記画素電極が設けられた層と、の間において、前記第1容量電極は、前記誘電体層及び前記第2容量電極に覆われて配置され、
前記第2容量電極と前記画素電極との間には、第1絶縁膜が形成されており、
前記第1絶縁膜に設けられた第1コンタクトホールを介して前記第2容量電極と前記画素電極とは電気的に接続されており、
前記第1コンタクトホールは、前記容量素子と平面視で重なる位置に配置され、
前記第1容量電極と前記容量線との間には第2絶縁膜が設けられており、
前記第2絶縁膜に設けられた第2コンタクトホールを介して前記第1容量電極と前記容量線とが接続されており、
前記第2コンタクトホールは、平面視で前記第1容量電極と重なる位置に配置され、
前記第2絶縁膜に設けられた第3コンタクトホールを介して前記第2容量電極と前記第2ソースドレイン領域とが電気的に接続されており、
前記第3コンタクトホールは、平面視で前記第2容量電極と重なる位置に配置され、
前記第2容量電極は、遮光性を有し、島状に形成され、前記トランジスター、前記走査線、前記データ線、前記容量線、および、前記第2コンタクトホールを覆うことを特徴とする電気光学装置。 - 請求項1に記載の電気光学装置であって、
前記誘電体層は、前記第1容量電極を覆う形状にパターニングされ、
前記第2容量電極は、前記誘電体の側壁を覆うことを特徴とする電気光学装置。 - 請求項1又は請求項2に記載の電気光学装置であって、
前記第2コンタクトホールは、平面視で前記第1容量電極と略重なる大きさに形成されていることを特徴とする電気光学装置。 - 請求項3に記載の電気光学装置であって、
前記第1コンタクトホールは、平面視で前記第2コンタクトホールと重ならない位置に配置されていることを特徴とする電気光学装置。 - 請求項1乃至請求項4のいずれか一項に記載の電気光学装置であって、
前記容量素子は、平面視で前記走査線と前記データ線との交差部に設けられていることを特徴とする電気光学装置。 - 請求項1乃至請求項4のいずれか一項に記載の電気光学装置であって、
前記容量素子は、平面視で前記トランジスターと重なる位置に設けられていることを特徴とする電気光学装置。 - 請求項1乃至請求項6のいずれか一項に記載の電気光学装置を備えることを特徴とする電子機器。
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JP2011212174A JP5834705B2 (ja) | 2011-09-28 | 2011-09-28 | 電気光学装置、及び電子機器 |
US13/603,541 US8823071B2 (en) | 2011-09-28 | 2012-09-05 | Electro-optical device and electronic apparatus |
CN201210363673.4A CN103034001B (zh) | 2011-09-28 | 2012-09-26 | 电光装置及电子设备 |
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