JP2007333808A - アクティブマトリクス表示装置 - Google Patents
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- 239000003990 capacitor Substances 0.000 claims abstract description 76
- 239000000758 substrate Substances 0.000 claims abstract description 50
- 239000010410 layer Substances 0.000 claims description 308
- 239000011229 interlayer Substances 0.000 claims description 28
- 229910052719 titanium Inorganic materials 0.000 claims description 14
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- 229910004166 TaN Inorganic materials 0.000 claims description 8
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 8
- 229910008322 ZrN Inorganic materials 0.000 claims description 8
- 150000002736 metal compounds Chemical class 0.000 claims description 8
- 229910052750 molybdenum Inorganic materials 0.000 claims description 8
- 239000003870 refractory metal Substances 0.000 claims description 8
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- 229910052721 tungsten Inorganic materials 0.000 claims description 8
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- 238000000034 method Methods 0.000 abstract description 24
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
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- 150000003376 silicon Chemical class 0.000 description 1
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- 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
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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
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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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133553—Reflecting elements
- G02F1/133555—Transflectors
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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
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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
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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
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/12—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode
- G02F2201/123—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode pixel
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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
- G02F2202/00—Materials and properties
- G02F2202/10—Materials and properties semiconductor
- G02F2202/104—Materials and properties semiconductor poly-Si
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- Crystallography & Structural Chemistry (AREA)
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- Mathematical Physics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Computer Hardware Design (AREA)
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- Thin Film Transistor (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
【解決手段】本発明にかかるアクティブマトリクス表示装置は、絶縁基板1上に形成されたソース領域2a、ドレイン領域2c及びチャネル領域2bを有するポリシリコン層2と、ポリシリコン層2上に形成されたゲート絶縁層4と、ゲート絶縁層4上に形成されたゲート電極5と、ゲート電極5上に形成された層間絶縁層7と、層間絶縁層7に設けられたコンタクトホール12を介してソース領域2a及びドレイン領域2cに接続された配線層9とを有する。さらに、絶縁基板1上に形成された第1の画素電極3a、ゲート絶縁層4及びゲート電極5と同一層に形成されたキャパシタ上部電極6によりキャパシタが構成されている。
【選択図】図2
Description
1)C/MOS構造のP型層形成のための選択ドーピング工程
2)ストレージキャパシタの下部電極用ポリシリコン層の低抵抗化のためのドーピング工程もしくは下部電極用金属電極形成工程
3)ソース・ドレイン配線用のコンタクトホール形成工程
本実施の形態1にかかるアクティブマトリクス表示装置について図1を参照して説明する。図1は、本発明の実施の形態にかかるアクティブマトリクス表示装置の構成を示す平面図である。
本実施の形態2にかかるアクティブマトリクス型表示装置について図3(a)及び図3(b)を参照して説明する。図3(a)及び図3(b)は、実施の形態2にかかるアクティブマトリクス型表示装置の一部であるTFTとキャパシタ部の構成を示す断面図である。
本実施の形態3にかかるアクティブマトリクス型表示装置について図4(a)及び図4(b)を参照して説明する。図4(a)及び図4(b)は、実施の形態3にかかるアクティブマトリクス型表示装置の一部であるTFTとキャパシタ部の構成を示す断面図である。
実施の形態4にかかるアクティブマトリクス型表示装置について図5を参照して説明する。図5は、実施の形態4にかかるアクティブマトリクス型表示装置の一部であるTFTとキャパシタ部の構成を示す断面図である。
実施の形態5にかかるアクティブマトリクス型表示装置について図6を参照して説明する。図6は、実施の形態5にかかるアクティブマトリクス型表示装置の一部であるTFTとキャパシタ部の構成を示す断面図である。
本発明の実施の形態6にかかるアクティブマトリクス型表示装置について図7を参照して説明する。図7は、実施の形態6にかかるアクティブマトリクス型表示装置の一部であるTFTとキャパシタ部の構成を示す断面図である。
なお、上記の実施の形態では、レーザーアニーリンングにより形成するポリシリコンを特徴とする従来の低温ポリシリコンを使用したが、これに限られるものではない。他の様々な方法で形成されるポリシリコンTFT及びマイクロクリスタルシリコンTFTを用いたアクティブマトリクス表示装置に適用することができる。また、上記実施の形態においては、TFT構造に関して、SA(Self−Aligned)TFTの場合について主に説明したが、LDD(Lightly Doped Drain)TFT及びGOLD(Gate−Overlapped LDD)TFTの場合も同様の効果を奏する。
Claims (10)
- 絶縁基板上に形成されたソース・ドレイン領域及びチャネル領域を有するポリシリコン層と、前記ポリシリコン層上に形成されたゲート絶縁層と、前記ゲート絶縁層上に形成されたゲート電極と、前記ゲート電極上に形成された層間絶縁層と、前記層間絶縁層に設けられたコンタクトホールを介し前記ソース・ドレイン領域に接続された配線層とを有するアクティブマトリクス表示装置であって、
前記絶縁基板上に形成された第1の画素電極と、
前記ゲート電極と同一層に形成された上部電極とを有し、
前記第1の画素電極、前記ゲート絶縁層及び前記上部電極によりキャパシタが構成されるアクティブマトリクス表示装置。 - 前記第1の画素電極は、前記ポリシリコン層の前記ドレイン領域上にその一部が重複して形成されている
ことを特徴とする請求項1記載のアクティブマトリクス表示装置。 - 前記ポリシリコン層の前記ドレイン領域は、前記第1の画素電極上に一部重複して形成されている
ことを特徴とする請求項1記載のアクティブマトリクス表示装置。 - 前記第1の画素電極は、高融点金属若しくは金属化合物からなる層を有するか、又は前記第1の画素電極と前記ポリシリコン層との間に高融点金属若しくは金属化合物からなる層を有する
ことを特徴とする請求項2又は3記載のアクティブマトリクス表示装置。 - 前記第1の画素電極がTi、Cr、Zr、Ta、W、Mo、TiN、ZrN、TaN、WN、及びVNからなる群から選択された1以上の材料を含む層からなるか、又は前記第1の画素電極と前記ポリシリコン層との間にTi、Cr、Zr、Ta、W、Mo、TiN、ZrN、TaN、WN、及びVNからなる群から選択された1以上の材料を含む層を有する
ことを特徴とする請求項4記載のアクティブマトリクス表示装置。 - 前記配線層及び前記層間絶縁層を覆う上部絶縁層を有し、
前記第1の画素電極上の一部において前記ゲート絶縁層、前記層間絶縁層、及び前記上部絶縁層が除去されている
ことを特徴とする請求項1乃至5のいずれか1項記載のアクティブマトリクス表示装置。 - 前記第1の画素電極の上の一部において前記ゲート絶縁層、前記層間絶縁層及び前記上部絶縁層が除去された部分に設けられた当該第1の画素電極に電気的に接続する第2の画素電極を有し、
前記第2の画素電極は可視光の反射率が70%以上である
ことを特徴とする請求項6記載のアクティブマトリクス表示装置。 - 前記配線層がドレイン領域と接続され画素電極の反射電極として機能する
ことを特徴とする請求項1乃至5のいずれか1項記載のアクティブマトリクス表示装置。 - 前記配線層は高融点金属若しくは金属化合物からなるか、又は前記配線層の下側の界面に高融点金属若しくは金属化合物からなる層を有する
ことを特徴とする請求項1乃至8のいずれか1項記載のアクティブマトリクス表示装置。 - 前記配線層はTi、Cr、Zr、Ta、W、Mo、TiN、ZrN、TaN、WN、及びVNからなる群から選択された1以上の材料を含む層からなるか、又は前記配線層の下側の界面にTi、Cr、Zr、Ta、W、Mo、TiN、ZrN、TaN、WN、及びVNからなる群から選択された1以上の材料を含む層を有する
ことを特徴とする請求項9記載のアクティブマトリクス表示装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006162696A JP2007333808A (ja) | 2006-06-12 | 2006-06-12 | アクティブマトリクス表示装置 |
TW096117212A TW200809364A (en) | 2006-06-12 | 2007-05-15 | Active matrix display |
US11/758,925 US20070298548A1 (en) | 2006-06-12 | 2007-06-06 | Active matrix display |
KR1020070056554A KR100898773B1 (ko) | 2006-06-12 | 2007-06-11 | 액티브 매트릭스 표시장치 |
CNA2007101100280A CN101090125A (zh) | 2006-06-12 | 2007-06-12 | 有源矩阵显示装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006162696A JP2007333808A (ja) | 2006-06-12 | 2006-06-12 | アクティブマトリクス表示装置 |
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Publication Number | Publication Date |
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JP2007333808A true JP2007333808A (ja) | 2007-12-27 |
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JP2006162696A Pending JP2007333808A (ja) | 2006-06-12 | 2006-06-12 | アクティブマトリクス表示装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20070298548A1 (ja) |
JP (1) | JP2007333808A (ja) |
KR (1) | KR100898773B1 (ja) |
CN (1) | CN101090125A (ja) |
TW (1) | TW200809364A (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011242745A (ja) * | 2010-05-17 | 2011-12-01 | Samsung Mobile Display Co Ltd | 有機発光ディスプレイ装置及びその製造方法 |
TWI500163B (zh) * | 2012-10-15 | 2015-09-11 | Innocom Tech Shenzhen Co Ltd | 低溫多晶矽薄膜電晶體、其製備方法及顯示裝置 |
CN105572993A (zh) * | 2016-01-25 | 2016-05-11 | 武汉华星光电技术有限公司 | 阵列基板及液晶显示装置 |
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WO2011156507A1 (en) | 2010-06-08 | 2011-12-15 | Edward Hartley Sargent | Stable, sensitive photodetectors and image sensors including circuits, processes, and materials for enhanced imaging performance |
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CN103295962A (zh) * | 2013-05-29 | 2013-09-11 | 京东方科技集团股份有限公司 | 阵列基板及其制作方法,显示装置 |
CN103681489B (zh) * | 2013-12-23 | 2016-01-06 | 京东方科技集团股份有限公司 | 阵列基板及其制造方法、显示装置 |
KR101968431B1 (ko) * | 2014-11-14 | 2019-04-11 | 선전 로욜 테크놀로지스 컴퍼니 리미티드 | Oled에 기초한 tft 어레이 기판 구조체 |
KR102276118B1 (ko) | 2014-11-28 | 2021-07-13 | 삼성디스플레이 주식회사 | 박막 트랜지스터 및 이를 포함하는 유기 발광 표시 장치 |
CN104882415B (zh) * | 2015-06-08 | 2019-01-04 | 深圳市华星光电技术有限公司 | Ltps阵列基板及其制造方法 |
CN105514122A (zh) * | 2016-01-28 | 2016-04-20 | 深圳市华星光电技术有限公司 | Tft阵列基板及其制造方法 |
CN107887398B (zh) * | 2017-11-14 | 2022-01-21 | 京东方科技集团股份有限公司 | 阵列基板及其制备方法、显示面板以及显示装置 |
CN109755261A (zh) * | 2018-12-26 | 2019-05-14 | 深圳市华星光电半导体显示技术有限公司 | 一种阵列基板及其制作方法 |
KR20210018720A (ko) * | 2019-08-09 | 2021-02-18 | 삼성디스플레이 주식회사 | 표시 장치 |
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JP2011242745A (ja) * | 2010-05-17 | 2011-12-01 | Samsung Mobile Display Co Ltd | 有機発光ディスプレイ装置及びその製造方法 |
TWI500163B (zh) * | 2012-10-15 | 2015-09-11 | Innocom Tech Shenzhen Co Ltd | 低溫多晶矽薄膜電晶體、其製備方法及顯示裝置 |
CN105572993A (zh) * | 2016-01-25 | 2016-05-11 | 武汉华星光电技术有限公司 | 阵列基板及液晶显示装置 |
Also Published As
Publication number | Publication date |
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TW200809364A (en) | 2008-02-16 |
CN101090125A (zh) | 2007-12-19 |
US20070298548A1 (en) | 2007-12-27 |
KR20070118541A (ko) | 2007-12-17 |
KR100898773B1 (ko) | 2009-05-20 |
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