JP2017536646A - シリコン及び半導体酸化物の薄膜トランジスタディスプレイ - Google Patents
シリコン及び半導体酸化物の薄膜トランジスタディスプレイ Download PDFInfo
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 67
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 51
- 239000010703 silicon Substances 0.000 title claims abstract description 51
- 239000010409 thin film Substances 0.000 title description 45
- 229910052751 metal Inorganic materials 0.000 claims abstract description 78
- 239000002184 metal Substances 0.000 claims abstract description 78
- 239000003990 capacitor Substances 0.000 claims abstract description 52
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 50
- 239000000758 substrate Substances 0.000 claims abstract description 49
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 20
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 17
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 17
- 229920005570 flexible polymer Polymers 0.000 claims description 5
- 230000007423 decrease Effects 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 180
- 239000000463 material Substances 0.000 description 14
- 238000002161 passivation Methods 0.000 description 10
- 229920000642 polymer Polymers 0.000 description 6
- 239000012212 insulator Substances 0.000 description 5
- 239000011229 interlayer Substances 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 238000005452 bending Methods 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 4
- 229920005591 polysilicon Polymers 0.000 description 4
- 239000004642 Polyimide Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000003989 dielectric material Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 229910000449 hafnium oxide Inorganic materials 0.000 description 3
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- 150000004767 nitrides Chemical class 0.000 description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 3
- 229920001721 polyimide Polymers 0.000 description 3
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 239000012044 organic layer Substances 0.000 description 2
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000002178 crystalline material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
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Abstract
Description
これは、一般に、電子デバイスに関し、より詳細には、薄膜トランジスタを有するディスプレイを備えた電子デバイスに関するものである。
Claims (20)
- 有機発光ダイオードディスプレイであって、
基板と、
前記基板のアクティブ領域を形成する画素回路のアレイと、
前記基板の非アクティブ領域内の回路と、
を備え、各画素回路は、
有機発光ダイオードと、
前記有機発光ダイオードと直列に結合されたシリコントランジスタと、
前記シリコントランジスタに結合された蓄積コンデンサと、
前記蓄積コンデンサに結合された半導体酸化物トランジスタと、
を含む、有機発光ダイオードディスプレイ。 - 前記基板は前記非アクティブ領域で折り曲げられる、請求項1に記載の有機発光ダイオードディスプレイ。
- 複数の誘電体層を更に備え、前記複数の誘電体層は前記アクティブ領域に存在し、前記複数の誘電体層のうちの少なくとも一部は前記非アクティブ領域に存在しない、請求項2に記載の有機発光ダイオードディスプレイ。
- 各画素回路内の前記シリコントランジスタはシリコンチャネルを含み、前記複数の誘電体層は前記基板と前記シリコンチャネルとの間にバッファ層を含み、前記バッファ層は前記非アクティブ領域に存在しない、請求項3に記載の有機発光ダイオードディスプレイ。
- 前記アクティブ領域内に第1金属層を更に備え、前記第1金属層のうちの一部は、各画素回路内の前記シリコントランジスタのゲートを形成する、請求項4に記載の有機発光ダイオードディスプレイ。
- 前記第1金属層のうちの一部は、各画素回路内の前記半導体酸化物トランジスタのゲートを形成する、請求項5に記載の有機発光ダイオードディスプレイ。
- 第2金属層を更に備え、前記第2金属層は、前記シリコントランジスタ及び前記半導体酸化物トランジスタのソース/ドレイン端子を形成するように前記アクティブ領域内でパターン化される、請求項5に記載の有機発光ダイオードディスプレイ。
- 前記第2金属層は、前記画素回路のアレイと前記非アクティブ領域内の前記回路との間で結合されるデータ線を形成するように前記非アクティブ領域内でパターン化される、請求項7に記載の有機発光ダイオードディスプレイ。
- 前記基板は折れ曲がった可撓性基板であり、前記データ線は、前記複数の誘電体層のいずれも前記データ線と前記基板との間に介在しないように折れ曲がり且つ前記基板の表面上に形成される、請求項8に記載の有機発光ダイオードディスプレイ。
- 各画素における前記半導体酸化物トランジスタは、半導体酸化物チャネルを含む、請求項9に記載の有機発光ダイオードディスプレイ。
- 前記複数の誘電体層は、各画素回路内の前記シリコントランジスタの前記シリコンチャネルと重なり、且つ、各画素回路内の前記半導体酸化物トランジスタの前記半導体酸化物チャネルと重ならない、窒化ケイ素層を含む、請求項10に記載の有機発光ダイオードディスプレイ。
- 前記蓄積コンデンサは、前記第2金属層から形成された第1電極を有し、かつ、第2電極を有する、請求項11に記載の有機発光ダイオードディスプレイ。
- 前記複数の誘電体層は追加の窒化ケイ素層を含み、前記追加の窒化ケイ素層は、各画素回路内の前記蓄積コンデンサの前記第1と第2電極との間に介在する、請求項12に記載の有機発光ダイオードディスプレイ。
- シリコン酸化物層を更に備え、前記シリコン酸化物層は、各画素回路の前記半導体酸化物チャネルと重なり、且つ、前記シリコン酸化物層が前記蓄積コンデンサの前記第1と第2電極との間に介在しないように各画素回路の前記蓄積コンデンサ内で局所的に除去される、請求項13に記載の有機発光ダイオードディスプレイ。
- 前記アクティブ領域から前記非アクティブ領域まで延在するデータ線を更に備え、前記複数の誘電体層は、前記アクティブ領域から前記非アクティブ領域に移行するときに高さが減少する階段状プロファイルを有し、前記データ線は、前記階段状プロファイルを有する前記複数の誘電体層上に形成される、請求項3に記載の有機発光ダイオードディスプレイ。
- 各画素回路の前記半導体酸化物トランジスタは駆動トランジスタを含み、各画素回路の前記シリコントランジスタはスイッチングトランジスタを含む、請求項1に記載の有機発光ダイオードディスプレイ。
- 有機発光ダイオードディスプレイであって、
有機発光ダイオードのアレイと、
それぞれが前記有機発光ダイオードのうちの対応する1つに直列に結合されたシリコン駆動トランジスタと、
前記シリコントランジスタに結合された半導体酸化物スイッチングトランジスタと、
を備える有機発光ダイオードディスプレイ。 - 前記半導体酸化物スイッチングトランジスタは、それぞれ半導体酸化物チャネルを有し、前記有機発光ダイオードディスプレイは、前記シリコン駆動トランジスタと重なり且つ前記半導体酸化物チャネルと重ならない窒化ケイ素層を更に備える、請求項17に記載の有機発光ダイオードディスプレイ。
- 前記半導体酸化物スイッチングトランジスタに結合された蓄積コンデンサと、
前記半導体酸化物チャネルと重なり且つ前記蓄積コンデンサと重ならないシリコン酸化物層と、を更に備える、請求項18に記載の有機発光ダイオードディスプレイ。 - 有機発光ダイオードディスプレイであって、
可撓性ポリマー基板と、
前記基板上の画素回路のアレイであって、各画素回路は、有機発光ダイオードと、半導体酸化物チャネルをそれぞれ有する少なくとも2つの半導体酸化物トランジスタと、前記有機発光ダイオードと直列に結合された少なくとも1つのシリコントランジスタと、少なくとも1つの蓄積コンデンサと、を含む、画素回路のアレイと、
前記画素回路のアレイから前記画素回路のアレイに隣接する非アクティブ領域に移行するときに高さが減少する階段状プロファイルを有する、前記可撓性ポリマー基板上の複数の誘電体層と、
前記階段状プロファイルに従う前記複数の誘電体層上のデータ線と、を備え、前記複数の誘電体層は、前記シリコントランジスタと重なり且つ前記半導体酸化物チャネルと重ならない誘電体層を含む、有機発光ダイオードディスプレイ。
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CN110085630A (zh) | 2019-08-02 |
US10032841B2 (en) | 2018-07-24 |
CN204167325U (zh) | 2015-02-18 |
EP3183750A1 (en) | 2017-06-28 |
EP3183750A4 (en) | 2018-06-06 |
KR20170044167A (ko) | 2017-04-24 |
CN104332485A (zh) | 2015-02-04 |
JP6683690B2 (ja) | 2020-04-22 |
KR101963522B1 (ko) | 2019-03-28 |
WO2016048385A1 (en) | 2016-03-31 |
US9543370B2 (en) | 2017-01-10 |
CN104332485B (zh) | 2019-01-11 |
US20160087022A1 (en) | 2016-03-24 |
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