KR102544980B1 - 박막트랜지스터 기판, 이를 구비한 디스플레이 장치, 박막트랜지스터 기판 제조방법 및 디스플레이 장치 제조방법 - Google Patents
박막트랜지스터 기판, 이를 구비한 디스플레이 장치, 박막트랜지스터 기판 제조방법 및 디스플레이 장치 제조방법 Download PDFInfo
- Publication number
- KR102544980B1 KR102544980B1 KR1020180027705A KR20180027705A KR102544980B1 KR 102544980 B1 KR102544980 B1 KR 102544980B1 KR 1020180027705 A KR1020180027705 A KR 1020180027705A KR 20180027705 A KR20180027705 A KR 20180027705A KR 102544980 B1 KR102544980 B1 KR 102544980B1
- Authority
- KR
- South Korea
- Prior art keywords
- thin film
- film transistor
- active pattern
- protrusions
- transistor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000010409 thin film Substances 0.000 title claims abstract description 149
- 239000000758 substrate Substances 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims description 47
- 238000004519 manufacturing process Methods 0.000 title claims description 25
- 230000008569 process Effects 0.000 claims description 21
- 239000002019 doping agent Substances 0.000 claims description 17
- 230000000873 masking effect Effects 0.000 claims description 11
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 10
- 229920005591 polysilicon Polymers 0.000 claims description 9
- 238000005530 etching Methods 0.000 claims description 5
- 239000010408 film Substances 0.000 claims description 5
- 239000004065 semiconductor Substances 0.000 abstract description 16
- 239000010410 layer Substances 0.000 description 93
- 239000012535 impurity Substances 0.000 description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 9
- 239000000463 material Substances 0.000 description 9
- 229910052814 silicon oxide Inorganic materials 0.000 description 9
- 229920000642 polymer Polymers 0.000 description 8
- 239000011229 interlayer Substances 0.000 description 7
- 229910021417 amorphous silicon Inorganic materials 0.000 description 6
- 229910052581 Si3N4 Inorganic materials 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 238000002425 crystallisation Methods 0.000 description 5
- -1 region Substances 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- 239000010703 silicon Substances 0.000 description 5
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 5
- 239000002356 single layer Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 239000004642 Polyimide Substances 0.000 description 4
- 230000008025 crystallization Effects 0.000 description 4
- 229920002120 photoresistant polymer Polymers 0.000 description 4
- 229920001721 polyimide Polymers 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 3
- 230000005525 hole transport Effects 0.000 description 3
- 229910010272 inorganic material Inorganic materials 0.000 description 3
- 239000011147 inorganic material Substances 0.000 description 3
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- URLKBWYHVLBVBO-UHFFFAOYSA-N Para-Xylene Chemical group CC1=CC=C(C)C=C1 URLKBWYHVLBVBO-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000004590 computer program Methods 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- RBTKNAXYKSUFRK-UHFFFAOYSA-N heliogen blue Chemical compound [Cu].[N-]1C2=C(C=CC=C3)C3=C1N=C([N-]1)C3=CC=CC=C3C1=NC([N-]1)=C(C=CC=C3)C3=C1N=C([N-]1)C3=CC=CC=C3C1=N2 RBTKNAXYKSUFRK-UHFFFAOYSA-N 0.000 description 2
- UQEAIHBTYFGYIE-UHFFFAOYSA-N hexamethyldisiloxane Chemical compound C[Si](C)(C)O[Si](C)(C)C UQEAIHBTYFGYIE-UHFFFAOYSA-N 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000004151 rapid thermal annealing Methods 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- YOZHUJDVYMRYDM-UHFFFAOYSA-N 4-(4-anilinophenyl)-3-naphthalen-1-yl-n-phenylaniline Chemical compound C=1C=C(C=2C(=CC(NC=3C=CC=CC=3)=CC=2)C=2C3=CC=CC=C3C=CC=2)C=CC=1NC1=CC=CC=C1 YOZHUJDVYMRYDM-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical compound OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 229920001609 Poly(3,4-ethylenedioxythiophene) Polymers 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 150000008378 aryl ethers Chemical class 0.000 description 1
- 238000004380 ashing Methods 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- XCJYREBRNVKWGJ-UHFFFAOYSA-N copper(II) phthalocyanine Chemical compound [Cu+2].C12=CC=CC=C2C(N=C2[N-]C(C3=CC=CC=C32)=N2)=NC1=NC([C]1C=CC=CC1=1)=NC=1N=C1[C]3C=CC=CC3=C2[N-]1 XCJYREBRNVKWGJ-UHFFFAOYSA-N 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 150000003949 imides Chemical class 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000005224 laser annealing Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910052749 magnesium Inorganic materials 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
- IBHBKWKFFTZAHE-UHFFFAOYSA-N n-[4-[4-(n-naphthalen-1-ylanilino)phenyl]phenyl]-n-phenylnaphthalen-1-amine Chemical compound C1=CC=CC=C1N(C=1C2=CC=CC=C2C=CC=1)C1=CC=C(C=2C=CC(=CC=2)N(C=2C=CC=CC=2)C=2C3=CC=CC=C3C=CC=2)C=C1 IBHBKWKFFTZAHE-UHFFFAOYSA-N 0.000 description 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920002098 polyfluorene Polymers 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- TVIVIEFSHFOWTE-UHFFFAOYSA-K tri(quinolin-8-yloxy)alumane Chemical compound [Al+3].C1=CN=C2C([O-])=CC=CC2=C1.C1=CN=C2C([O-])=CC=CC2=C1.C1=CN=C2C([O-])=CC=CC2=C1 TVIVIEFSHFOWTE-UHFFFAOYSA-K 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/304—Mechanical treatment, e.g. grinding, polishing, cutting
-
- H01L21/8238—
-
- H01L29/786—
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/01—Manufacture or treatment
- H10D30/021—Manufacture or treatment of FETs having insulated gates [IGFET]
- H10D30/031—Manufacture or treatment of FETs having insulated gates [IGFET] of thin-film transistors [TFT]
- H10D30/0312—Manufacture or treatment of FETs having insulated gates [IGFET] of thin-film transistors [TFT] characterised by the gate electrodes
- H10D30/0314—Manufacture or treatment of FETs having insulated gates [IGFET] of thin-film transistors [TFT] characterised by the gate electrodes of lateral top-gate TFTs comprising only a single gate
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/01—Manufacture or treatment
- H10D30/021—Manufacture or treatment of FETs having insulated gates [IGFET]
- H10D30/031—Manufacture or treatment of FETs having insulated gates [IGFET] of thin-film transistors [TFT]
- H10D30/0321—Manufacture or treatment of FETs having insulated gates [IGFET] of thin-film transistors [TFT] comprising silicon, e.g. amorphous silicon or polysilicon
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/67—Thin-film transistors [TFT]
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/67—Thin-film transistors [TFT]
- H10D30/6729—Thin-film transistors [TFT] characterised by the electrodes
- H10D30/673—Thin-film transistors [TFT] characterised by the electrodes characterised by the shapes, relative sizes or dispositions of the gate electrodes
- H10D30/6731—Top-gate only TFTs
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/67—Thin-film transistors [TFT]
- H10D30/674—Thin-film transistors [TFT] characterised by the active materials
- H10D30/6741—Group IV materials, e.g. germanium or silicon carbide
- H10D30/6743—Silicon
- H10D30/6745—Polycrystalline or microcrystalline silicon
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/67—Thin-film transistors [TFT]
- H10D30/6757—Thin-film transistors [TFT] characterised by the structure of the channel, e.g. transverse or longitudinal shape or doping profile
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/01—Manufacture or treatment
- H10D84/0123—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs
- H10D84/0126—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs
- H10D84/0165—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs the components including complementary IGFETs, e.g. CMOS devices
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
- H10D86/01—Manufacture or treatment
- H10D86/021—Manufacture or treatment of multiple TFTs
- H10D86/0221—Manufacture or treatment of multiple TFTs comprising manufacture, treatment or patterning of TFT semiconductor bodies
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
- H10D86/01—Manufacture or treatment
- H10D86/021—Manufacture or treatment of multiple TFTs
- H10D86/0221—Manufacture or treatment of multiple TFTs comprising manufacture, treatment or patterning of TFT semiconductor bodies
- H10D86/0223—Manufacture or treatment of multiple TFTs comprising manufacture, treatment or patterning of TFT semiconductor bodies comprising crystallisation of amorphous, microcrystalline or polycrystalline semiconductor materials
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
- H10D86/01—Manufacture or treatment
- H10D86/021—Manufacture or treatment of multiple TFTs
- H10D86/0231—Manufacture or treatment of multiple TFTs using masks, e.g. half-tone masks
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
- H10D86/40—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs
- H10D86/421—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs having a particular composition, shape or crystalline structure of the active layer
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
- H10D86/40—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs
- H10D86/421—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs having a particular composition, shape or crystalline structure of the active layer
- H10D86/427—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs having a particular composition, shape or crystalline structure of the active layer having different thicknesses of the semiconductor bodies in different TFTs
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
- H10D86/40—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs
- H10D86/60—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs wherein the TFTs are in active matrices
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- 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
- H10K59/123—Connection of the pixel electrodes to the thin film transistors [TFT]
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- 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
- H10K59/1201—Manufacture or treatment
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Power Engineering (AREA)
- Geometry (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thin Film Transistor (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
Description
도 4는 본 발명의 다른 일 실시예에 관한 박막트랜지스터 기판을 포함하는 디스플레이 장치를 개략적으로 도시하는 단면도이다.
도 5는 본 발명의 또 다른 일 실시예에 관한 박막트랜지스터 기판을 포함하는 디스플레이 장치를 개략적으로 도시하는 단면도이다.
TR1, TR2: 제1, 2 박막트랜지스터
100: 기판
112: 마스킹층
120B, 130B: 복수개의 제1, 2 돌기
120B': 복수개의 미세돌기
120, 130: 제1, 2 액티브 패턴
124D, 134D: 제1, 2 드레인 전극
124S, 134S: 제1, 2 소스 전극
300: 발광소자
310: 화소전극
320: 중간층
330: 대향전극
Claims (20)
- 기판;
상기 기판 상에 배치되며, 상면에 각각의 높이가 10Å 이하인 복수개의 제1 돌기를 포함하는 제1 액티브 패턴 및 상기 제1 액티브 패턴과 적어도 일부가 중첩되도록 배치되는 제1 게이트 전극을 포함하는, 제1 박막트랜지스터;
상기 기판 상에 배치되며, 상면에 각각의 높이가 300Å보다 크고, 800Å 이하인 복수개의 제2 돌기를 포함하는 제2 액티브 패턴 및 상기 제2 액티브 패턴과 적어도 일부가 중첩되도록 배치되는 제2 게이트 전극을 포함하는, 제2 박막트랜지스터; 및
상기 제1 박막트랜지스터 및 상기 제2 박막트랜지스터 상부에 위치하는 화소전극을 포함하는, 발광소자;를 구비하고,
상기 제1 박막트랜지스터 및 상기 제2 박막트랜지스터 중 하나는 상기 화소전극과 전기적으로 연결되고, 상기 제1 박막트랜지스터 및 상기 제2 박막트랜지스터 중 하나는 구동 트랜지스터이고, 다른 하나는 스위칭 트랜지스터이며,
상기 제1 박막트랜지스터와, 상기 제2 박막트랜지스터는 서로 이웃하며,
상기 제1 박막 트랜지스터와, 상기 제2 박막트랜지스터중 하나는 P형 트랜지스터이고, 다른 하나는 N형 트랜지스터인, 디스플레이 장치. - 삭제
- 제1항에 있어서,
상기 제1 박막트랜지스터 및 상기 제2 박막트랜지스터를 포함하여 CMOS 소자를 구성하는, 디스플레이 장치. - 삭제
- 제1항에 있어서,
상기 기판 상에 배치되는 게이트 절연막을 더 포함하고, 상기 게이트 절연막은 상기 제1 액티브 패턴 및 상기 제1 게이트 전극 사이에 개재되는, 디스플레이 장치. - 삭제
- 제1항에 있어서,
상기 제1 액티브 패턴의 상면은 상기 제2 액티브 패턴의 상면에 비해 평평한, 디스플레이 장치. - 제7항에 있어서,
상기 제1 액티브 패턴은 상면에 복수개의 미세돌기를 포함하는, 디스플레이 장치. - 제1항에 있어서,
상기 제1 액티브 패턴 및 상기 제2 액티브 패턴은 폴리실리콘을 포함하는, 디스플레이 장치. - 제1항에 있어서,
상기 발광소자는,
상기 화소전극 상에 배치되는 발광층; 및
상기 발광층 상에 배치되는 대향전극;
을 더 구비하는, 디스플레이 장치. - 기판 상에 제1 액티브 패턴 및 제2 액티브 패턴을 형성하는 단계;
상기 제1 액티브 패턴 및 상기 제2 액티브 패턴 상에 레이저를 조사하여 상기 제1 액티브 패턴 상면에 복수개의 제1 돌기 및 상기 제2 액티브 패턴 상면에 복수개의 제2 돌기를 형성하되, 상기 복수개의 제1 돌기 및 상기 복수개의 제2 돌기 각각의 높이는 300Å보다 크며, 800Å 이하로 형성하는 단계;
상기 제2 액티브 패턴 상에 상기 제2 액티브 패턴을 덮는 마스킹층을 형성하는 단계;
노출된 상기 제1 액티브 패턴 상면의 복수개의 제1 돌기를 제거하는 단계;
상기 제1 액티브 패턴 및 상기 제2 액티브 패턴과 각각 적어도 일부가 중첩되는 제1 게이트 전극 및 제2 게이트 전극을 형성하는 단계; 및
제1 박막트랜지스터 또는 제2 박막트랜지스터 상부에 배치되며, 상기 제1 박막트랜지스터 또는 상기 제2 박막트랜지스터와 전기적으로 연결되는 화소전극을 형성하는 단계;를 포함하되,
상기 제1 박막트랜지스터 및 상기 제2 박막트랜지스터 중 하나는 상기 화소전극과 전기적으로 연결되고, 상기 제1 박막트랜지스터 및 상기 제2 박막트랜지스터 중 하나는 구동 트랜지스터이고, 다른 하나는 스위칭 트랜지스터이며,
상기 복수개의 제1 돌기를 제거하는 단계는, 상기 제1 액티브 패턴 상면에 10Å 이하의 높이를 가지는 복수개의 미세돌기를 형성하는 단계를 포함하며,
상기 제1 박막트랜지스터와, 상기 제2 박막트랜지스터는 서로 이웃하며,
상기 제1 박막 트랜지스터와, 상기 제2 박막트랜지스터중 하나는 P형 트랜지스터이고, 다른 하나는 N형 트랜지스터를 포함하는, 디스플레이 장치의 제조방법. - 제11항에 있어서,
상기 제1 액티브 패턴 및 상기 제2 액티브 패턴 중 하나는 P형 도펀트로 도핑하고, 다른 하나는 N형 도펀트로 도핑하는 단계를 더 포함하는, 디스플레이 장치의 제조방법. - 제12항에 있어서,
상기 제1 액티브 패턴을 제1 도펀트로 도핑하는 단계를 포함하는, 제1 박막트랜지스터를 형성하는 단계;
상기 제2 액티브 패턴을 제2 도펀트로 도핑하는, 제2 박막트랜지스터를 형성하는 단계;
상기 제1 박막트랜지스터 및 상기 제2 박막트랜지스터 중 하나는 PMOS이고, 다른 하나는 NMOS인, 디스플레이 장치의 제조방법. - 삭제
- 제11항에 있어서,
상기 기판 상에 게이트 절연막을 형성하는 단계를 더 포함하고,
상기 게이트 절연막은 상기 제1 액티브 패턴 및 상기 제1 게이트 전극 사이에 개재되도록 형성되는, 디스플레이 장치의 제조방법. - 삭제
- 제11항에 있어서,
상기 복수개의 제1 돌기를 제거하는 단계는 에칭 공정을 통해 수행되는, 디스플레이 장치의 제조방법. - 제11항에 있어서,
상기 복수개의 제1 돌기를 제거하는 단계는 CMP 공정을 통해 수행되는, 디스플레이 장치의 제조방법. - 삭제
- 제11항에 있어서,
상기 화소전극 상에 발광층을 포함하는 중간층을 형성하는 단계;
상기 중간층 상에 대향전극을 형성하는 단계; 및
을 더 포함하는, 디스플레이 장치의 제조방법.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020180027705A KR102544980B1 (ko) | 2018-03-08 | 2018-03-08 | 박막트랜지스터 기판, 이를 구비한 디스플레이 장치, 박막트랜지스터 기판 제조방법 및 디스플레이 장치 제조방법 |
US16/286,744 US11315955B2 (en) | 2018-03-08 | 2019-02-27 | Thin film transistor substrate, display device having the same, method of manufacturing thin film transistor substrate, and method of manufacturing display device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020180027705A KR102544980B1 (ko) | 2018-03-08 | 2018-03-08 | 박막트랜지스터 기판, 이를 구비한 디스플레이 장치, 박막트랜지스터 기판 제조방법 및 디스플레이 장치 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20190107247A KR20190107247A (ko) | 2019-09-19 |
KR102544980B1 true KR102544980B1 (ko) | 2023-06-20 |
Family
ID=67842099
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020180027705A Active KR102544980B1 (ko) | 2018-03-08 | 2018-03-08 | 박막트랜지스터 기판, 이를 구비한 디스플레이 장치, 박막트랜지스터 기판 제조방법 및 디스플레이 장치 제조방법 |
Country Status (2)
Country | Link |
---|---|
US (1) | US11315955B2 (ko) |
KR (1) | KR102544980B1 (ko) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002016082A (ja) | 2000-04-04 | 2002-01-18 | Matsushita Electric Ind Co Ltd | 薄膜半導体素子およびその製造方法 |
JP2002287695A (ja) | 2001-01-18 | 2002-10-04 | Sharp Corp | メモリ一体型表示素子 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09213630A (ja) | 1996-02-05 | 1997-08-15 | Semiconductor Energy Lab Co Ltd | 半導体装置の作製方法 |
JP2000124457A (ja) | 1998-10-14 | 2000-04-28 | Toshiba Corp | 多結晶シリコン薄膜の平坦化方法 |
KR100425159B1 (ko) * | 2001-05-25 | 2004-03-30 | 엘지.필립스 엘시디 주식회사 | 폴리실리콘 박막트랜지스터의 제조방법 및 이를 적용한액정표시소자 |
KR100458710B1 (ko) * | 2001-11-06 | 2004-12-03 | 네오폴리((주)) | Oeld용 결정질 실리콘 박막트랜지스터 패널 및 제작방법 |
JP4341062B2 (ja) * | 2003-02-12 | 2009-10-07 | 日本電気株式会社 | 薄膜トランジスタおよびその製造方法 |
KR101034776B1 (ko) | 2004-01-19 | 2011-05-17 | 삼성전자주식회사 | 증폭기와, 이를 갖는 데이터 드라이버 및 표시 장치 |
JP4449076B2 (ja) * | 2004-04-16 | 2010-04-14 | セイコーエプソン株式会社 | 半導体装置の製造方法 |
KR101255303B1 (ko) * | 2006-05-30 | 2013-04-15 | 엘지디스플레이 주식회사 | 폴리실리콘 박막 트랜지스터 및 그 제조 방법과 그를이용한 표시장치와 그 제조 방법 |
JP2008042044A (ja) * | 2006-08-09 | 2008-02-21 | Mitsubishi Electric Corp | 薄膜トランジスタアレイ基板、その製造方法、及び表示装置 |
KR100841372B1 (ko) * | 2006-12-19 | 2008-06-26 | 삼성에스디아이 주식회사 | 박막트랜지스터 및 이의 제조방법 |
KR102179973B1 (ko) * | 2013-12-05 | 2020-11-18 | 삼성디스플레이 주식회사 | 레이저 결정화 장치 및 이를 이용하여 제조한 유기 발광 표시 장치 |
KR101861894B1 (ko) | 2015-05-15 | 2018-05-29 | 삼성에스디아이 주식회사 | 유기막 cmp 슬러리 조성물 및 이를 이용한 연마방법 |
KR102487959B1 (ko) * | 2015-11-20 | 2023-01-12 | 삼성디스플레이 주식회사 | 박막 트랜지스터 표시판과 이를 구비한 표시 장치 및 그 박막 트랜지스터 표시판의 제조 방법 |
-
2018
- 2018-03-08 KR KR1020180027705A patent/KR102544980B1/ko active Active
-
2019
- 2019-02-27 US US16/286,744 patent/US11315955B2/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002016082A (ja) | 2000-04-04 | 2002-01-18 | Matsushita Electric Ind Co Ltd | 薄膜半導体素子およびその製造方法 |
JP2002287695A (ja) | 2001-01-18 | 2002-10-04 | Sharp Corp | メモリ一体型表示素子 |
Also Published As
Publication number | Publication date |
---|---|
KR20190107247A (ko) | 2019-09-19 |
US11315955B2 (en) | 2022-04-26 |
US20190280021A1 (en) | 2019-09-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR101889918B1 (ko) | 유기 발광 디스플레이 장치 및 이의 제조 방법 | |
US9153605B2 (en) | Thin film transistor array substrate, organic light emitting display device comprising the same, and method of manufacturing the thin film transistor array substrate | |
US7893440B2 (en) | Thin film transistor array arrangement, and organic light emitting display device | |
US9136506B2 (en) | Thin-film transistor array substrate, organic light-emitting display having the same, and method of manufacturing the organic light-emitting display | |
TWI559522B (zh) | 有機發光顯示裝置及其製造方法 | |
US8525174B2 (en) | Organic light emitting display device and method of manufacturing the same | |
US9184417B2 (en) | Organic light emitting display device and method of manufacturing the same | |
KR102373434B1 (ko) | 박막 트랜지스터 어레이 기판, 이를 포함하는 유기 발광 표시 장치 및 그 제조 방법 | |
US8643019B2 (en) | Organic light emitting display device and manufacturing method for the same | |
TWI692891B (zh) | 有機發光顯示設備 | |
KR102483959B1 (ko) | 유기 발광 표시 장치의 제조 방법 및 상기 제조 방법에 의해 제조된 유기 발광 표시 장치 | |
KR101930845B1 (ko) | 박막 트랜지스터 어레이 기판, 이를 포함하는 유기 발광 표시 장치 및 그 제조 방법 | |
KR102393371B1 (ko) | 유기 발광 표시 장치 및 그 제조 방법 | |
TW201320430A (zh) | 薄膜電晶體陣列基板、包含其之有機發光顯示器以及其製造方法 | |
KR102349285B1 (ko) | 유기 발광 표시 장치 및 그 제조 방법 | |
CN102931209A (zh) | 有机发光显示装置及其制造方法 | |
KR20140137948A (ko) | 박막 트랜지스터 어레이 기판, 이를 포함하는 유기 발광 표시 장치 및 박막 트랜지스터 어레이 기판의 제조 방법 | |
KR20160081100A (ko) | 유기 발광 표시 장치의 제조 방법 및 상기 제조 방법에 의해 제조된 유기 발광 표시 장치 | |
KR20160044171A (ko) | 유기 발광 표시 장치 및 그 제조 방법 | |
KR102124044B1 (ko) | 박막 트랜지스터 기판, 그 제조방법 및 이를 포함하는 유기 발광 디스플레이 장치 | |
KR101860861B1 (ko) | 배선의 제조방법, 박막트랜지스터의 제조방법 및 평판표시장치의 제조방법 | |
KR102556021B1 (ko) | 디스플레이 장치 및 그 제조방법 | |
KR102544980B1 (ko) | 박막트랜지스터 기판, 이를 구비한 디스플레이 장치, 박막트랜지스터 기판 제조방법 및 디스플레이 장치 제조방법 | |
KR100626051B1 (ko) | 유기 박막 트랜지스터, 그 제조방법 및 이를 구비한 평판디스플레이 장치 | |
KR20160009772A (ko) | 유기 발광 표시 장치 및 유기 발광 표시 장치의 제조 방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20180308 |
|
PG1501 | Laying open of application | ||
A201 | Request for examination | ||
PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 20210204 Comment text: Request for Examination of Application Patent event code: PA02011R01I Patent event date: 20180308 Comment text: Patent Application |
|
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20220705 Patent event code: PE09021S01D |
|
AMND | Amendment | ||
E601 | Decision to refuse application | ||
PE0601 | Decision on rejection of patent |
Patent event date: 20230126 Comment text: Decision to Refuse Application Patent event code: PE06012S01D Patent event date: 20220705 Comment text: Notification of reason for refusal Patent event code: PE06011S01I |
|
AMND | Amendment | ||
PX0701 | Decision of registration after re-examination |
Patent event date: 20230321 Comment text: Decision to Grant Registration Patent event code: PX07013S01D Patent event date: 20230228 Comment text: Amendment to Specification, etc. Patent event code: PX07012R01I Patent event date: 20230126 Comment text: Decision to Refuse Application Patent event code: PX07011S01I Patent event date: 20220905 Comment text: Amendment to Specification, etc. Patent event code: PX07012R01I |
|
X701 | Decision to grant (after re-examination) | ||
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20230614 Patent event code: PR07011E01D |
|
PR1002 | Payment of registration fee |
Payment date: 20230615 End annual number: 3 Start annual number: 1 |
|
PG1601 | Publication of registration |