JP6123413B2 - 薄膜トランジスタアレイおよび画像表示装置 - Google Patents
薄膜トランジスタアレイおよび画像表示装置 Download PDFInfo
- Publication number
- JP6123413B2 JP6123413B2 JP2013066151A JP2013066151A JP6123413B2 JP 6123413 B2 JP6123413 B2 JP 6123413B2 JP 2013066151 A JP2013066151 A JP 2013066151A JP 2013066151 A JP2013066151 A JP 2013066151A JP 6123413 B2 JP6123413 B2 JP 6123413B2
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- Prior art keywords
- thin film
- film transistor
- transistor array
- protective layer
- semiconductor layer
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Images
Classifications
-
- 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
-
- 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
-
- 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
- H01L27/1248—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 shape of the interlayer dielectric specially adapted to the circuit arrangement
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Thin Film Transistor (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
ゲート電極の配置以外の構造の違いとして、半導体層の位置が異なるボトムコンタクト型、トップコンタクト型があるが、本発明はこれらに限定されるものではない。
11・・・ゲート電極
12・・・ゲート絶縁膜
13・・・ソース電極
14・・・ドレイン電極
15・・・半導体層
16・・・保護層
17・・・層間絶縁膜
17a・・・ビアホール
18・・・画素電極
19・・・キャパシタ電極
20・・・電気泳動媒体
Claims (10)
- 少なくとも、絶縁基板と、ゲート電極と、ゲート絶縁層と、ソース電極と、ドレイン電極と、半導体層と、保護層と、層間絶縁膜と、画素電極とを備えた薄膜トランジスタアレイであって、
前記半導体層及び前記保護層はソース配線に平行なストライプ形状であり、
前記保護層は、前記半導体層よりも幅が広く、幅方向において前記半導体層を覆うように形成され、
前記ドレイン電極と前記画素電極との導通を図るために設けられた前記層間絶縁膜のビアホールの中心位置が、互いに隣接するストライプ形状の前記保護層間の中点を通るストライプに平行な直線上に位置することを特徴とする薄膜トランジスタアレイ。 - 前記ビアホールの中心位置と、前記中点を通るストライプに平行な直線上の位置とのずれが40μm以下であることを特徴とする請求項1に記載の薄膜トランジスタアレイ。
- 前記半導体層が有機半導体もしくは酸化物半導体であることを特徴とする請求項1に記載の薄膜トランジスタアレイ。
- 請求項1に記載の薄膜トランジスタアレイの製造方法であって、
半導体層をフレキソ印刷法、インクジェット印刷法、スクリーン印刷法のいずれか1つ以上により形成することを特徴とする薄膜トランジスタアレイの製造方法。 - 前記保護層が有機絶縁材料により形成されていることを特徴とする請求項1に記載の薄膜トランジスタアレイ。
- 請求項1に記載の薄膜トランジスタアレイの製造方法であって、
保護層をフレキソ印刷法、インクジェット印刷法、スクリーン印刷法のいずれか1つ以上により形成することを特徴とする薄膜トランジスタアレイの製造方法。 - 請求項1に記載の薄膜トランジスタアレイの製造方法であって、
層間絶縁膜をスクリーン印刷法により形成することを特徴とする薄膜トランジスタアレイの製造方法。 - 前記絶縁基板がプラスチック基板であることを特徴とする請求項1に記載の薄膜トランジスタアレイ。
- 請求項1に記載の薄膜トランジスタアレイと画像表示媒体とを備えていることを特徴とする画像表示装置。
- 前記画像表示媒体が電気泳動方式によるものであることを特徴とする請求項9に記載の画像表示装置。
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