JP2011181592A - アクティブマトリクス表示装置及びアクティブマトリクス表示装置の製造方法 - Google Patents
アクティブマトリクス表示装置及びアクティブマトリクス表示装置の製造方法 Download PDFInfo
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- 239000011159 matrix material Substances 0.000 title claims abstract description 70
- 238000004519 manufacturing process Methods 0.000 title claims description 13
- 238000000034 method Methods 0.000 title claims description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 112
- 239000004065 semiconductor Substances 0.000 claims abstract description 86
- 239000000758 substrate Substances 0.000 claims abstract description 68
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 56
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 49
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 49
- 239000001301 oxygen Substances 0.000 claims abstract description 49
- 239000004033 plastic Substances 0.000 claims abstract description 43
- 229920003023 plastic Polymers 0.000 claims abstract description 43
- 238000002834 transmittance Methods 0.000 claims abstract description 36
- 239000010409 thin film Substances 0.000 claims abstract description 35
- 239000000203 mixture Substances 0.000 claims abstract description 23
- 229910052751 metal Inorganic materials 0.000 claims description 62
- 229920000642 polymer Polymers 0.000 claims description 39
- 125000003118 aryl group Chemical group 0.000 claims description 22
- 238000004544 sputter deposition Methods 0.000 claims description 13
- -1 acrylate compound Chemical class 0.000 claims description 12
- 239000000126 substance Substances 0.000 claims description 12
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 10
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 10
- 229910052738 indium Inorganic materials 0.000 claims description 10
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims description 10
- 229910052710 silicon Inorganic materials 0.000 claims description 10
- 239000010703 silicon Substances 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 239000004593 Epoxy Substances 0.000 claims description 6
- 239000004952 Polyamide Substances 0.000 claims description 6
- 239000004642 Polyimide Substances 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 6
- 229920002647 polyamide Polymers 0.000 claims description 6
- 229920001721 polyimide Polymers 0.000 claims description 6
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 5
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 claims description 5
- 229910052771 Terbium Inorganic materials 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052787 antimony Inorganic materials 0.000 claims description 5
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims description 5
- 229910052785 arsenic Inorganic materials 0.000 claims description 5
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 claims description 5
- 229910052797 bismuth Inorganic materials 0.000 claims description 5
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims description 5
- 229910052796 boron Inorganic materials 0.000 claims description 5
- 229910052793 cadmium Inorganic materials 0.000 claims description 5
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 claims description 5
- 229910052733 gallium Inorganic materials 0.000 claims description 5
- 229910052732 germanium Inorganic materials 0.000 claims description 5
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims description 5
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 5
- 229910052753 mercury Inorganic materials 0.000 claims description 5
- 229910052699 polonium Inorganic materials 0.000 claims description 5
- HZEBHPIOVYHPMT-UHFFFAOYSA-N polonium atom Chemical compound [Po] HZEBHPIOVYHPMT-UHFFFAOYSA-N 0.000 claims description 5
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052714 tellurium Inorganic materials 0.000 claims description 5
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 claims description 5
- GZCRRIHWUXGPOV-UHFFFAOYSA-N terbium atom Chemical compound [Tb] GZCRRIHWUXGPOV-UHFFFAOYSA-N 0.000 claims description 5
- 229910052716 thallium Inorganic materials 0.000 claims description 5
- BKVIYDNLLOSFOA-UHFFFAOYSA-N thallium Chemical compound [Tl] BKVIYDNLLOSFOA-UHFFFAOYSA-N 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 4
- 239000003365 glass fiber Substances 0.000 claims description 4
- 229910044991 metal oxide Inorganic materials 0.000 claims description 4
- 150000004706 metal oxides Chemical class 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 230000006866 deterioration Effects 0.000 abstract description 3
- 229910052755 nonmetal Inorganic materials 0.000 abstract 2
- 230000000903 blocking effect Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 101
- 239000002184 metal Substances 0.000 description 49
- 239000010408 film Substances 0.000 description 31
- 230000007246 mechanism Effects 0.000 description 22
- 238000004804 winding Methods 0.000 description 12
- 239000002994 raw material Substances 0.000 description 10
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- 239000007789 gas Substances 0.000 description 8
- 230000004888 barrier function Effects 0.000 description 6
- 238000004132 cross linking Methods 0.000 description 6
- 239000012212 insulator Substances 0.000 description 6
- 239000011229 interlayer Substances 0.000 description 6
- 239000004973 liquid crystal related substance Substances 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000005266 casting Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 239000002243 precursor Substances 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 229910052752 metalloid Inorganic materials 0.000 description 3
- 229910006404 SnO 2 Inorganic materials 0.000 description 2
- 229910021417 amorphous silicon Inorganic materials 0.000 description 2
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- 229920002457 flexible plastic Polymers 0.000 description 2
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- 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
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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
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- 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
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Abstract
【解決手段】アクティブマトリクス表示装置は、波長200nmから320nmにおける光線透過率が10%以下であり、波長450nm、波長540nmおよび波長620nmにおける光線透過率が80%以上であるプラスチック基板2上に、酸素(O)と窒素(N)の混合物で、酸素(O)に対する窒素(N)の比(N数密度/O数密度)が0乃至2である非金属元素を含む半導体層7をチャネルに用いて形成した薄膜トランジスタ1を有する。また、波長200nmから370nmにおける光線透過率が10%以下である遮光層8を有し、波長450nm、波長540nmおよび波長620nmにおける光線透過率が80%以上であるプラスチック基板2上に、酸素(O)と窒素(N)の混合物で酸素(O)に対する窒素(N)の比(N数密度/O数密度)が0乃至2である非金属元素を含む半導体層をチャネルに用いて形成した薄膜トランジスタ1を有する。
【選択図】図1
Description
酸素(O)と窒素(N)の混合物で、酸素(O)に対する窒素(N)の比(N数密度/O数密度)が0乃至2である非金属元素を含む半導体層をチャネルに用いて形成した薄膜トランジスタを有することを特徴とするアクティブマトリクス表示装置である。
酸素(O)と窒素(N)の混合物で酸素(O)に対する窒素(N)の比(N数密度/O数密度)が0乃至2である非金属元素を含む半導体層をチャネルに用いて形成した薄膜トランジスタを有することを特徴とするアクティブマトリクス表示装置である。
前記非金属元素が、少なくとも酸素(O)と窒素(N)の混合物で、酸素(O)に対する窒素(N)の比(N数密度/O数密度)が0乃至2であることを特徴とする請求項1乃至請求項14のいずれか1項に記載のアクティブマトリクス表示装置である。
(第1の実施の形態)
図1は第1の実施の形態のアクティブマトリクス表示装置の構成を説明する断面図である。
O=12〜18 (典型値17)
N=0〜24(典型値12)となる。
図2は第2の実施の形態のアクティブマトリクス表示装置の構成を説明する断面図である。
図3は第3の実施の形態のアクティブマトリクス表示装置の構成を説明する断面図である。
図4は第4の実施の形態のアクティブマトリクス表示装置の構成を説明する断面図である。
この実施の形態のアクティブマトリクス表示装置の製造方法は、アクティブマトリクス表示装置の半導体層を、スパッタ装置を用いて形成することで、150℃以下で成膜した場合にも良好な電界効果移動度を得られやすい。このスパッタ装置は、図5及び図6に示すように構成される。
2 プラスチック基板
3 バリア層
5 層間絶縁膜
6a,6b,6c 金属層
7 半導体層
8,9a,9b 遮光層
21 スパッタ装置
22a,22b ロール巻機構
23 送出機構
24 巻取機構
25 位置合わせ機構
26a,26b 金属ターゲット
27 真空チャンバ
29 ガス導入機構
P ロール状フィルム基板
Claims (17)
- 波長200nmから320nmにおける光線透過率が10%以下であり、波長450nm、波長540nmおよび波長620nmにおける光線透過率が80%以上であるプラスチック基板上に、
酸素(O)と窒素(N)の混合物で、酸素(O)に対する窒素(N)の比(N数密度/O数密度)が0乃至2である非金属元素を含む半導体層をチャネルに用いて形成した薄膜トランジスタを有することを特徴とするアクティブマトリクス表示装置。 - 波長200nmから370nmにおける光線透過率が10%以下である遮光層を有し、波長450nm、波長540nmおよび波長620nmにおける光線透過率が80%以上であるプラスチック基板上に、
酸素(O)と窒素(N)の混合物で酸素(O)に対する窒素(N)の比(N数密度/O数密度)が0乃至2である非金属元素を含む半導体層をチャネルに用いて形成した薄膜トランジスタを有することを特徴とするアクティブマトリクス表示装置。 - 前記波長200nmから370nmにおける光線透過率が10%以下である遮光層を、前記薄膜トランジスタの上方に形成したことを特徴とする請求項1または請求項2に記載のアクティブマトリクス表示装置。
- 前記プラスチック基板が、芳香族を含む高分子を有してなることを特徴とする請求項1乃至請求項3のいずれか1項に記載のアクティブマトリクス表示装置。
- 前記芳香族を含む高分子が、アクリレート化合物の重合体を主としてなることを特徴とする請求項4に記載のアクティブマトリクス表示装置。
- 前記芳香族を含む高分子が、エポキシ化合物の重合体を主としてなることを特徴とする請求項4に記載のアクティブマトリクス表示装置。
- 前記芳香族を含む高分子が、オキセタン化合物の重合体を主としてなることを特徴とする請求項4に記載のアクティブマトリクス表示装置。
- 前記芳香族を含む高分子が、ポリアミドを主としてなることを特徴とする請求項4に記載のアクティブマトリクス表示装置。
- 前記芳香族を含む高分子が、ポリイミドを主としてなることを特徴とする請求項4に記載のアクティブマトリクス表示装置。
- 前記プラスチック基板は、30℃から150℃における線膨張係数が20ppm/℃以下であることを特徴とする請求項1乃至請求項9のいずれか1項に記載のアクティブマトリクス表示装置。
- 前記プラスチック基板が、無機物を含有してなることを特徴とする請求項10に記載のアクティブマトリクス表示装置。
- 前記無機物が、直径1nm以上300nm以下のガラス、シリカまたは金属酸化物であることを特徴とする請求項11に記載のアクティブマトリクス表示装置。
- 前記無機物が、ガラス繊維であることを特徴とする請求項11に記載のアクティブマトリクス表示装置。
- 前記半導体層が、アモルファスであることを特徴とする請求項1乃至請求項13のいずれか1項に記載のアクティブマトリクス表示装置。
- 前記半導体層が、非金属元素の窒素(N)、酸素(O)のうち少なくともひとつ、半金属元素のホウ素(B)、シリコン(Si)、ゲルマニウム(Ge)、ヒ素(As)、アンチモン(Sb)、テルル(Te)、ポロニウム(Po)のうち少なくともひとつ、および金属元素のアルミニウム(Al)、亜鉛(Zn)、ガリウム(Ga)、カドニウム(Cd)、インジウム(In)、錫(Sn)、水銀(Hg)、タリウム(Tl)、テルビウム(Pb)、ビスマス(Bi)のうち少なくともひとつを含み、
前記非金属元素が、少なくとも酸素(O)と窒素(N)の混合物で、酸素(O)に対する窒素(N)の比(N数密度/O数密度)が0乃至2であることを特徴とする請求項1乃至請求項14のいずれか1項に記載のアクティブマトリクス表示装置。 - 前記半導体層が、インジウム(In)、錫(Sn)、シリコン(Si)、酸素(O)、窒素(N)を主としてなることを特徴とする請求項15に記載のアクティブマトリクス表示装置。
- 請求項1乃至請求項16のいずれか1項に記載のアクティブマトリクス表示装置の半導体層を、スパッタ装置を用いて形成することを特徴とするアクティブマトリクス表示装置の製造方法。
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