JP2011146713A - 表示基板 - Google Patents
表示基板 Download PDFInfo
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- JP2011146713A JP2011146713A JP2011005902A JP2011005902A JP2011146713A JP 2011146713 A JP2011146713 A JP 2011146713A JP 2011005902 A JP2011005902 A JP 2011005902A JP 2011005902 A JP2011005902 A JP 2011005902A JP 2011146713 A JP2011146713 A JP 2011146713A
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- oxide semiconductor
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- semiconductor pattern
- oxide
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- 239000000758 substrate Substances 0.000 title claims abstract description 150
- 239000004065 semiconductor Substances 0.000 claims abstract description 185
- 238000005530 etching Methods 0.000 claims description 32
- 229910052751 metal Inorganic materials 0.000 claims description 24
- 239000002184 metal Substances 0.000 claims description 19
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 15
- 239000000460 chlorine Substances 0.000 claims description 14
- 229910052757 nitrogen Inorganic materials 0.000 claims description 8
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 7
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims description 7
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 7
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 7
- 229910052801 chlorine Inorganic materials 0.000 claims description 7
- 229910052731 fluorine Inorganic materials 0.000 claims description 7
- 239000011737 fluorine Substances 0.000 claims description 7
- 229910052698 phosphorus Inorganic materials 0.000 claims description 7
- 239000011574 phosphorus Substances 0.000 claims description 7
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 claims description 5
- 229910052733 gallium Inorganic materials 0.000 claims description 5
- 229910052735 hafnium Inorganic materials 0.000 claims description 5
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 claims description 5
- 229910052738 indium Inorganic materials 0.000 claims description 5
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims description 5
- 230000000737 periodic effect Effects 0.000 claims description 5
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 claims description 5
- 229910021474 group 7 element Inorganic materials 0.000 claims 3
- 239000010409 thin film Substances 0.000 abstract description 28
- 239000010408 film Substances 0.000 description 65
- 230000004048 modification Effects 0.000 description 42
- 238000012986 modification Methods 0.000 description 42
- 239000010410 layer Substances 0.000 description 37
- 238000000034 method Methods 0.000 description 34
- 238000004519 manufacturing process Methods 0.000 description 29
- 238000003860 storage Methods 0.000 description 25
- 229920002120 photoresistant polymer Polymers 0.000 description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 18
- 229910052814 silicon oxide Inorganic materials 0.000 description 18
- 239000010949 copper Substances 0.000 description 14
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 13
- 229910052782 aluminium Inorganic materials 0.000 description 11
- 229910052581 Si3N4 Inorganic materials 0.000 description 10
- 229910052802 copper Inorganic materials 0.000 description 10
- 230000001681 protective effect Effects 0.000 description 10
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 10
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 9
- 239000010936 titanium Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- 238000005546 reactive sputtering Methods 0.000 description 8
- -1 GaSnO Inorganic materials 0.000 description 7
- 230000036961 partial effect Effects 0.000 description 7
- 229910052715 tantalum Inorganic materials 0.000 description 7
- 229910052719 titanium Inorganic materials 0.000 description 7
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 239000004020 conductor Substances 0.000 description 6
- 229910052750 molybdenum Inorganic materials 0.000 description 6
- 238000004544 sputter deposition Methods 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910005265 GaInZnO Inorganic materials 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 5
- 239000004973 liquid crystal related substance Substances 0.000 description 5
- 239000011159 matrix material Substances 0.000 description 5
- 230000002829 reductive effect Effects 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- 239000010703 silicon Substances 0.000 description 5
- 238000001039 wet etching Methods 0.000 description 5
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 4
- 239000011651 chromium Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000011259 mixed solution Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000002834 transmittance Methods 0.000 description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 3
- 229910001182 Mo alloy Inorganic materials 0.000 description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 3
- 229910021417 amorphous silicon Inorganic materials 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 3
- 239000003086 colorant Substances 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 239000011572 manganese Substances 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 229910017604 nitric acid Inorganic materials 0.000 description 3
- 239000011368 organic material Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910005555 GaZnO Inorganic materials 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
- 229910000914 Mn alloy Inorganic materials 0.000 description 2
- 229910007717 ZnSnO Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001312 dry etching Methods 0.000 description 2
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- QPJSUIGXIBEQAC-UHFFFAOYSA-N n-(2,4-dichloro-5-propan-2-yloxyphenyl)acetamide Chemical compound CC(C)OC1=CC(NC(C)=O)=C(Cl)C=C1Cl QPJSUIGXIBEQAC-UHFFFAOYSA-N 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 239000005361 soda-lime glass Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 2
- 239000011787 zinc oxide Substances 0.000 description 2
- 229910001316 Ag alloy Inorganic materials 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 206010034972 Photosensitivity reaction Diseases 0.000 description 1
- 229910001128 Sn alloy Inorganic materials 0.000 description 1
- 229910001362 Ta alloys Inorganic materials 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 229910003087 TiOx Inorganic materials 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000004380 ashing Methods 0.000 description 1
- 229910052790 beryllium Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000001055 blue pigment Substances 0.000 description 1
- 239000005388 borosilicate glass Substances 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- HPDFFVBPXCTEDN-UHFFFAOYSA-N copper manganese Chemical compound [Mn].[Cu] HPDFFVBPXCTEDN-UHFFFAOYSA-N 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000001056 green pigment Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000036211 photosensitivity Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000012495 reaction gas Substances 0.000 description 1
- 239000001054 red pigment Substances 0.000 description 1
- 230000032554 response to blue light Effects 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000010944 silver (metal) Substances 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- HLLICFJUWSZHRJ-UHFFFAOYSA-N tioxidazole Chemical compound CCCOC1=CC=C2N=C(NC(=O)OC)SC2=C1 HLLICFJUWSZHRJ-UHFFFAOYSA-N 0.000 description 1
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- H—ELECTRICITY
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- 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
- H01L27/1222—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 crystalline structure of the active layer
- H01L27/1225—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 crystalline structure of the active layer with semiconductor materials not belonging to the group IV of the periodic table, e.g. InGaZnO
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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
- 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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- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/06—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions
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- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
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- H01L29/24—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed including, apart from doping materials or other impurities, only semiconductor materials not provided for in groups H01L29/16, H01L29/18, H01L29/20, H01L29/22
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- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
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- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
- H01L29/78606—Thin film transistors, i.e. transistors with a channel being at least partly a thin film with supplementary region or layer in the thin film or in the insulated bulk substrate supporting it for controlling or increasing the safety of the device
- H01L29/78633—Thin film transistors, i.e. transistors with a channel being at least partly a thin film with supplementary region or layer in the thin film or in the insulated bulk substrate supporting it for controlling or increasing the safety of the device with a light shield
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- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
- H01L29/7869—Thin film transistors, i.e. transistors with a channel being at least partly a thin film having a semiconductor body comprising an oxide semiconductor material, e.g. zinc oxide, copper aluminium oxide, cadmium stannate
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- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
- H01L29/78696—Thin film transistors, i.e. transistors with a channel being at least partly a thin film characterised by the structure of the channel, e.g. multichannel, transverse or longitudinal shape, length or width, doping structure, or the overlap or alignment between the channel and the gate, the source or the drain, or the contacting structure of the channel
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- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
- H01L21/02521—Materials
- H01L21/02565—Oxide semiconducting materials not being Group 12/16 materials, e.g. ternary compounds
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- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/66742—Thin film unipolar transistors
- H01L29/6675—Amorphous silicon or polysilicon transistors
- H01L29/66765—Lateral single gate single channel transistors with inverted structure, i.e. the channel layer is formed after the gate
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/121—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements
- H10K59/1213—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements the pixel elements being TFTs
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- Engineering & Computer Science (AREA)
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- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Ceramic Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Liquid Crystal (AREA)
- Thin Film Transistor (AREA)
Abstract
【解決手段】本発明の一実施形態による表示基板は、絶縁基板上に形成されたゲート配線と、前記ゲート配線上に形成され、酸化物半導体を含む酸化物半導体パターンと、前記酸化物半導体パターン上に前記ゲート配線と交差するように形成されたデータ配線を含み、前記酸化物半導体パターンは第1酸化物および第3元素を含む第1酸化物半導体パターンおよび第2酸化物を含む第2酸化物半導体パターンを含む。
【選択図】図2A
Description
燐酸、硝酸および酢酸の混合液、フッ酸(HF)および脱イオン水(deionized water)の混合液などのエッチング液を使用してもよい。このようにすると、データ線62およびソース/ドレーン用の導電膜パターン64のみが残り、これを除いたその他の部分のデータ配線用導電膜60はすべて除去される。このとき、残ったデータ線62およびソース/ドレーン用導電膜パターン64はソース電極(図11の65参照)およびドレーン電極(図11の66参照)が分離されず、接続されている点を除けばデータ配線(図9の62,65,66,67参照)の形態と同一である。
Claims (45)
- 絶縁基板上に形成されたゲート配線と、
前記ゲート配線上に形成され、酸化物半導体を含む酸化物半導体パターン、および
前記酸化物半導体パターン上に前記ゲート配線と交差するように形成されたデータ配線を含み、
前記酸化物半導体パターンは第1酸化物および第3元素を含む第1酸化物半導体パターンおよび第2酸化物を含む第2酸化物半導体パターンを含む表示基板。 - 前記第1酸化物半導体パターンは、400nmないし500nmの波長を有する光を遮断する請求項1に記載の表示基板。
- 前記ゲート配線はゲート電極を含み、前記ゲート電極のターンオン電圧は0V以上である、請求項1又は2に記載の表示基板。
- 前記第3元素は前記第1酸化物を構成する金属元素が属する周期律表の族(group)より高い族に該当する請求項1〜3のいずれかに記載の表示基板。
- 前記第3元素は、5族ないし7族元素である請求項4に記載の表示基板。
- 前記第3元素は、窒素(N)、燐(P)、フッ素(F)および塩素(Cl)からなる群から選択された少なくとも一つである請求項5に記載の表示基板。
- 前記第1酸化物半導体パターンのバンドギャップ(Band Gap)は、前記第2酸化物半導体パターンのバンドギャップより大きい請求項1〜6のいずれかに記載の表示基板。
- 前記酸化物半導体パターン上に形成されたエッチング停止パターンをさらに含む請求項1〜7のいずれかに記載の表示基板。
- 前記データ配線は、互いに離隔されて対向するソース電極およびドレーン電極を含み、前記エッチング停止パターンはソース電極およびドレーン電極によって露出される請求項8に記載の表示基板。
- 前記第1酸化物半導体パターンは前記ゲート配線上に配置され、前記第2酸化物半導体パターンは前記第1酸化物パターン上に配置されている請求項1〜9のいずれかに記載の表示基板。
- 前記第2酸化物半導体パターンは前記ゲート配線上に配置され、前記第1酸化物半導体パターンは前記第2酸化物パターン上に配置されている請求項1〜9のいずれかに記載の表示基板。
- 前記第1酸化物半導体パターンは、前記第2酸化物半導体パターンに流入する光を遮断し、前記光は400nmないし500nmの波長を有する請求項10又は11に記載の表示基板。
- 前記第1酸化物はガリウム(Ga)、インジウム(In)、亜鉛(Zn)、錫(Sn)およびハフニウム(Hf)のうち少なくとも一つを金属元素で含む請求項1〜12のいずれかに記載の表示基板。
- 前記第3元素は窒素(N)、燐(P)、フッ素(F)および塩素(Cl)からなる群から選択された少なくとも一つである請求項13に記載の表示基板。
- 前記第1酸化物および前記第2酸化物は、同一な種類の金属元素を含む請求項13に記載の表示基板。
- 前記第1酸化物と前記第2酸化物は、互いに異なる種類の金属元素を含む請求項13に記載の表示基板。
- 絶縁基板上に形成されたゲート配線と、
ゲート配線上に形成され、酸化物半導体を含む酸化物半導体パターン、および
前記酸化物半導体パターン上に前記ゲート配線と交差するように形成されたデータ配線を含み、
前記酸化物半導体パターンは、第1酸化物および第3元素を含む第1酸化物半導体パターン、第2酸化物を含む第2酸化物半導体パターンおよび第3酸化物および第4元素を含む第3酸化物半導体パターンを含む表示基板。 - 前記第1酸化物および第3酸化物半導体パターンは、400nmないし500nmの波長を有する光を遮断する請求項17に記載の表示基板。
- 前記ゲート配線はゲート電極を含み、前記ゲート電極のターンオン電圧が0V以上である請求項17又は18に記載の表示基板。
- 前記第3および第4元素は前記第1酸化物を構成する金属元素が属する周期律表の族(group)より高い族に該当する請求項17〜19のいずれかに記載の表示基板。
- 前記第3および第4元素は5族ないし7族元素である請求項20に記載の表示基板。
- 前記第3および第4元素は窒素(N)、燐(P)、フッ素(F)および塩素(Cl)からなる群から選択された少なくとも一つである請求項21に記載の表示基板。
- 前記第1酸化物および第3酸化物半導体パターンのバンドギャップ(Band Gap)は前記第2酸化物半導体パターンのバンドギャップより大きい請求項17〜22のいずれかに記載の表示基板。
- 前記酸化物半導体パターン上に形成されたエッチング停止パターンをさらに含む請求項17〜23のいずれかに記載の表示基板。
- 前記データ配線は互いに離隔されて対向するソース電極およびドレーン電極を含み、前記エッチング停止パターンはソース電極およびドレーン電極によって露出される請求項24に記載の表示基板。
- 前記第1酸化物半導体パターンは前記ゲート配線上に配置され、前記第2酸化物半導体パターンは前記第1酸化物半導体パターン上に配置され、前記第3酸化物半導体パターンは前記第2酸化物半導体パターン上に配置されている請求項17〜25のいずれかに記載の表示基板。
- 前記第1酸化物半導体パターンは前記第2酸化物半導体パターンに流入する光を遮断し、前記光は400nmないし500nmの波長を有する請求項26に記載の表示基板。
- 前記第1酸化物および第3酸化物はガリウム(Ga)、インジウム(In)、亜鉛(Zn)、錫(Sn)およびハフニウム(Hf)のうち少なくとも一つを金属元素として含む請求項17〜27のいずれかに記載の表示基板。
- 前記第3および第4元素は窒素(N)、燐(P)、フッ素(F)および塩素(Cl)からなる群から選択された少なくとも一つである請求項28に記載の表示基板。
- 前記第1ないし第3酸化物は同一な種類の金属元素を含む請求項28に記載の表示基板。
- 前記第1酸化物および第3酸化物と前記第2酸化物は互いに異なる種類の金属元素を含む請求項28に記載の表示基板。
- 絶縁基板上に形成されたゲート配線と、
ゲート配線上に形成され、酸化物半導体を含む酸化物半導体パターン、および
前記酸化物半導体パターン上に前記ゲート配線と交差するように形成されたデータ配線を含み、
前記酸化物半導体パターンは第1酸化物および第3元素を含み、前記第3元素は垂直方向に濃度勾配を有する表示基板。 - 前記酸化物半導体パターンは400nmないし500nmの波長を有する光を遮断する請求項32に記載の表示基板。
- 前記ゲート配線はゲート電極を含み、前記ゲート電極のターンオン電圧が0V以上である請求項32又は33に記載の表示基板。
- 前記第3元素は前記第1酸化物を構成する金属元素が属する周期律表の族(group)より高い族に該当する請求項32〜34のいずれかに記載の表示基板。
- 前記第3元素は5族ないし7族元素である請求項35に記載の表示基板。
- 前記第3元素は窒素(N)、燐(P)、フッ素(F)および塩素(Cl)からなる群から選択された少なくとも一つである請求項36に記載の表示基板。
- 前記第1酸化物はガリウム(Ga)、インジウム(In)、亜鉛(Zn)、錫(Sn)およびハフニウム(Hf)のうち少なくとも一つを金属元素として含む請求項32〜37のいずれかに記載の表示基板。
- 前記第3元素は窒素(N)、燐(P)、フッ素(F)および塩素(Cl)からなる群から選択された少なくとも一つである請求項38に記載の表示基板。
- 前記酸化物半導体パターン上に形成されたエッチング停止パターンをさらに含む請求項32〜39のいずれかに記載の表示基板。
- 前記データ配線は互いに離隔されて対向するソース電極およびドレーン電極を含み、前記エッチング停止パターンはソース電極およびドレーン電極によって露出される請求項40に記載の表示基板。
- 前記酸化物半導体パターンは前記第3元素の濃度が相対的に高い第1区間と前記第3元素の濃度が相対的に低い第2区間を含み、前記第1区間が前記ゲート配線と隣接する請求項32〜41のいずれかに記載の表示基板。
- 前記酸化物半導体パターンは前記第3元素の濃度が相対的に高い第1区間と前記第3元素の濃度が相対的に低い第2区間を含み、前記第2区間が前記ゲート配線と隣接する請求項32〜41のいずれかに記載の表示基板。
- 前記第1区間は前記第2区間に流入する光を遮断し、前記光は400nmないし500nmの波長を有する請求項42又は43に記載の表示基板。
- 前記第1区間のバンドギャップ(Band Gap)は前記第2区間のバンドギャップより大きい請求項42又は43に記載の表示基板。
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Also Published As
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JP6204517B2 (ja) | 2017-09-27 |
US20160020331A1 (en) | 2016-01-21 |
US10439067B2 (en) | 2019-10-08 |
JP2016136634A (ja) | 2016-07-28 |
KR101701208B1 (ko) | 2017-02-02 |
US9159745B2 (en) | 2015-10-13 |
CN102169904A (zh) | 2011-08-31 |
CN102169904B (zh) | 2015-11-04 |
KR20110084005A (ko) | 2011-07-21 |
US20110175082A1 (en) | 2011-07-21 |
JP6203992B2 (ja) | 2017-09-27 |
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