WO2005093695A1 - サブピクセル - Google Patents
サブピクセル Download PDFInfo
- Publication number
- WO2005093695A1 WO2005093695A1 PCT/JP2005/004424 JP2005004424W WO2005093695A1 WO 2005093695 A1 WO2005093695 A1 WO 2005093695A1 JP 2005004424 W JP2005004424 W JP 2005004424W WO 2005093695 A1 WO2005093695 A1 WO 2005093695A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- thin film
- film transistor
- sub
- pixel
- organic
- Prior art date
Links
- 239000010409 thin film Substances 0.000 claims abstract description 91
- 229910021417 amorphous silicon Inorganic materials 0.000 claims abstract description 8
- 239000010408 film Substances 0.000 description 23
- -1 azo compound Chemical class 0.000 description 22
- 239000000463 material Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 9
- 230000037230 mobility Effects 0.000 description 9
- 239000000758 substrate Substances 0.000 description 9
- 229920000547 conjugated polymer Polymers 0.000 description 8
- 229920000642 polymer Polymers 0.000 description 8
- 239000011521 glass Substances 0.000 description 7
- FFUAGWLWBBFQJT-UHFFFAOYSA-N hexamethyldisilazane Chemical compound C[Si](C)(C)N[Si](C)(C)C FFUAGWLWBBFQJT-UHFFFAOYSA-N 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000004065 semiconductor Substances 0.000 description 5
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 239000004695 Polyether sulfone Substances 0.000 description 3
- 238000007743 anodising Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 230000001747 exhibiting effect Effects 0.000 description 3
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 239000004417 polycarbonate Substances 0.000 description 3
- 229920006393 polyether sulfone Polymers 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- SIKJAQJRHWYJAI-UHFFFAOYSA-N Indole Chemical compound C1=CC=C2NC=CC2=C1 SIKJAQJRHWYJAI-UHFFFAOYSA-N 0.000 description 2
- 229910020068 MgAl Inorganic materials 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 2
- FZWLAAWBMGSTSO-UHFFFAOYSA-N Thiazole Chemical compound C1=CSC=N1 FZWLAAWBMGSTSO-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Chemical compound C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 description 2
- 150000004056 anthraquinones Chemical class 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- VPUGDVKSAQVFFS-UHFFFAOYSA-N coronene Chemical compound C1=C(C2=C34)C=CC3=CC=C(C=C3)C4=C4C3=CC=C(C=C3)C4=C2C3=C1 VPUGDVKSAQVFFS-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005525 hole transport Effects 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 229920002521 macromolecule Polymers 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
- 125000002080 perylenyl group Chemical class C1(=CC=C2C=CC=C3C4=CC=CC5=CC=CC(C1=C23)=C45)* 0.000 description 2
- YNPNZTXNASCQKK-UHFFFAOYSA-N phenanthrene Chemical compound C1=CC=C2C3=CC=CC=C3C=CC2=C1 YNPNZTXNASCQKK-UHFFFAOYSA-N 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 229910052718 tin Inorganic materials 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- QGKMIGUHVLGJBR-UHFFFAOYSA-M (4z)-1-(3-methylbutyl)-4-[[1-(3-methylbutyl)quinolin-1-ium-4-yl]methylidene]quinoline;iodide Chemical class [I-].C12=CC=CC=C2N(CCC(C)C)C=CC1=CC1=CC=[N+](CCC(C)C)C2=CC=CC=C12 QGKMIGUHVLGJBR-UHFFFAOYSA-M 0.000 description 1
- DDTHMESPCBONDT-UHFFFAOYSA-N 4-(4-oxocyclohexa-2,5-dien-1-ylidene)cyclohexa-2,5-dien-1-one Chemical compound C1=CC(=O)C=CC1=C1C=CC(=O)C=C1 DDTHMESPCBONDT-UHFFFAOYSA-N 0.000 description 1
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
- XMWRBQBLMFGWIX-UHFFFAOYSA-N C60 fullerene Chemical class C12=C3C(C4=C56)=C7C8=C5C5=C9C%10=C6C6=C4C1=C1C4=C6C6=C%10C%10=C9C9=C%11C5=C8C5=C8C7=C3C3=C7C2=C1C1=C2C4=C6C4=C%10C6=C9C9=C%11C5=C5C8=C3C3=C7C1=C1C2=C4C6=C2C9=C5C3=C12 XMWRBQBLMFGWIX-UHFFFAOYSA-N 0.000 description 1
- 229910004762 CaSiO Inorganic materials 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 229910003321 CoFe Inorganic materials 0.000 description 1
- 229910021589 Copper(I) bromide Inorganic materials 0.000 description 1
- 229910052692 Dysprosium Inorganic materials 0.000 description 1
- 229910052691 Erbium Inorganic materials 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 229910052693 Europium Inorganic materials 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- 229910052689 Holmium Inorganic materials 0.000 description 1
- 235000000177 Indigofera tinctoria Nutrition 0.000 description 1
- 229910017771 LaFeO Inorganic materials 0.000 description 1
- 229910010093 LiAlO Inorganic materials 0.000 description 1
- 229910013457 LiZrO Inorganic materials 0.000 description 1
- 229910052765 Lutetium Inorganic materials 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- ZCQWOFVYLHDMMC-UHFFFAOYSA-N Oxazole Chemical compound C1=COC=N1 ZCQWOFVYLHDMMC-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229920000265 Polyparaphenylene Polymers 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 239000004734 Polyphenylene sulfide Substances 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- WTKZEGDFNFYCGP-UHFFFAOYSA-N Pyrazole Chemical compound C=1C=NNC=1 WTKZEGDFNFYCGP-UHFFFAOYSA-N 0.000 description 1
- NRCMAYZCPIVABH-UHFFFAOYSA-N Quinacridone Chemical class N1C2=CC=CC=C2C(=O)C2=C1C=C1C(=O)C3=CC=CC=C3NC1=C2 NRCMAYZCPIVABH-UHFFFAOYSA-N 0.000 description 1
- 229910052772 Samarium Inorganic materials 0.000 description 1
- 229910003564 SiAlON Inorganic materials 0.000 description 1
- 229910003668 SrAl Inorganic materials 0.000 description 1
- 229910002367 SrTiO Inorganic materials 0.000 description 1
- 229910052771 Terbium Inorganic materials 0.000 description 1
- 229910052775 Thulium Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 229910052769 Ytterbium Inorganic materials 0.000 description 1
- 229910006501 ZrSiO Inorganic materials 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- RCTYPNKXASFOBE-UHFFFAOYSA-M chloromercury Chemical compound [Hg]Cl RCTYPNKXASFOBE-UHFFFAOYSA-M 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 125000004093 cyano group Chemical group *C#N 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 125000005842 heteroatom Chemical group 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- 150000002429 hydrazines Chemical class 0.000 description 1
- 229940097275 indigo Drugs 0.000 description 1
- COHYTHOBJLSHDF-UHFFFAOYSA-N indigo powder Chemical class N1C2=CC=CC=C2C(=O)C1=C1C(=O)C2=CC=CC=C2N1 COHYTHOBJLSHDF-UHFFFAOYSA-N 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- PZOUSPYUWWUPPK-UHFFFAOYSA-N indole Natural products CC1=CC=CC2=C1C=CN2 PZOUSPYUWWUPPK-UHFFFAOYSA-N 0.000 description 1
- RKJUIXBNRJVNHR-UHFFFAOYSA-N indolenine Natural products C1=CC=C2CC=NC2=C1 RKJUIXBNRJVNHR-UHFFFAOYSA-N 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 239000003446 ligand Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000002905 metal composite material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- LKKPNUDVOYAOBB-UHFFFAOYSA-N naphthalocyanine Chemical class N1C(N=C2C3=CC4=CC=CC=C4C=C3C(N=C3C4=CC5=CC=CC=C5C=C4C(=N4)N3)=N2)=C(C=C2C(C=CC=C2)=C2)C2=C1N=C1C2=CC3=CC=CC=C3C=C2C4=N1 LKKPNUDVOYAOBB-UHFFFAOYSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- AZQWKYJCGOJGHM-UHFFFAOYSA-N para-benzoquinone Natural products O=C1C=CC(=O)C=C1 AZQWKYJCGOJGHM-UHFFFAOYSA-N 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- SLIUAWYAILUBJU-UHFFFAOYSA-N pentacene Chemical compound C1=CC=CC2=CC3=CC4=CC5=CC=CC=C5C=C4C=C3C=C21 SLIUAWYAILUBJU-UHFFFAOYSA-N 0.000 description 1
- 150000002979 perylenes Chemical class 0.000 description 1
- CSHWQDPOILHKBI-UHFFFAOYSA-N peryrene Natural products C1=CC(C2=CC=CC=3C2=C2C=CC=3)=C3C2=CC=CC3=C1 CSHWQDPOILHKBI-UHFFFAOYSA-N 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical class N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920000553 poly(phenylenevinylene) Polymers 0.000 description 1
- 229920000548 poly(silane) polymer Polymers 0.000 description 1
- 229920001197 polyacetylene Polymers 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000002952 polymeric resin Substances 0.000 description 1
- 229920000069 polyphenylene sulfide Polymers 0.000 description 1
- 229920000128 polypyrrole Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920000123 polythiophene Polymers 0.000 description 1
- DNXIASIHZYFFRO-UHFFFAOYSA-N pyrazoline Chemical compound C1CN=NC1 DNXIASIHZYFFRO-UHFFFAOYSA-N 0.000 description 1
- 229910052702 rhenium Inorganic materials 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- JWHOQZUREKYPBY-UHFFFAOYSA-N rubonic acid Natural products CC1(C)CCC2(CCC3(C)C(=CCC4C5(C)CCC(=O)C(C)(C)C5CC(=O)C34C)C2C1)C(=O)O JWHOQZUREKYPBY-UHFFFAOYSA-N 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 229910052706 scandium Inorganic materials 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- ADZWSOLPGZMUMY-UHFFFAOYSA-M silver bromide Chemical compound [Ag]Br ADZWSOLPGZMUMY-UHFFFAOYSA-M 0.000 description 1
- 239000012453 solvate Substances 0.000 description 1
- 150000001629 stilbenes Chemical class 0.000 description 1
- 235000021286 stilbenes Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- 229910052713 technetium Inorganic materials 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 150000003852 triazoles Chemical class 0.000 description 1
- 150000004961 triphenylmethanes Chemical class 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- 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
- G02F1/1345—Conductors connecting electrodes to cell terminals
- G02F1/13454—Drivers integrated on the active matrix substrate
-
- 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 at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier
- 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 at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being other than a semiconductor body, e.g. an insulating body
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K19/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic element specially adapted for rectifying, amplifying, oscillating or switching, covered by group H10K10/00
- H10K19/10—Integrated devices, or assemblies of multiple devices, comprising at least one organic element specially adapted for rectifying, amplifying, oscillating or switching, covered by group H10K10/00 comprising field-effect transistors
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/04—Structural and physical details of display devices
- G09G2300/0404—Matrix technologies
- G09G2300/0417—Special arrangements specific to the use of low carrier mobility technology
-
- 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
Definitions
- the present invention relates to a background art related to a sub-pixel constituting a pixel constituting a color display.
- a color display such as a liquid crystal display or an organic EL display is composed of a plurality of pixel forces that change to various colors, and can be changed to any color.
- the pixel is also composed of, for example, a plurality of sub-pixel forces exhibiting respective colors of R (red), G (green), and B (blue).
- the sub-pixels include one display unit, for example, a display unit exhibiting R (red) color in the above example, and a plurality of thin film transistors (TFTs) for actively driving the display unit. It is composed of
- organic thin-film transistors and amorphous Si thin-film transistors have a lower charge mobility in the channel portion between the source and drain than conventional polycrystalline Si thin-film transistors. In such a case, it is necessary to lengthen the channel portion, that is, make the thin film transistor larger than the conventional polycrystalline Si thin film transistor. [0007] However, increasing the size of the organic thin film transistor and increasing the size of the entire subpixel by that amount is contrary to the above-mentioned requirement of "decreasing the size of the entire subpixel". Increasing the size of the organic thin-film transistor without changing its size causes the display unit to become smaller by that amount, which makes it impossible to meet the requirements of ⁇ keeping the size of the display unit '' t! .
- the present invention has been made in view of such a problem. For example, even when an inexpensive organic thin film transistor or amorphous Si thin film transistor is used, the overall size thereof is increased. Another object is to provide a sub-pixel which does not need to be provided and which can secure the size of a display portion.
- the invention according to claim 1 for solving the above-mentioned problem is a sub-pixel constituting a pixel constituting a screen of a color display, wherein the sub-pixel is composed of a display unit and the sub-pixel.
- a plurality of thin film transistors for driving a display unit, and the plurality of thin film transistors are arranged so that their channels are parallel to each other.
- FIG. 1 is a front view of a sub-pixel of the present application.
- FIG. 2 is a cross-sectional view taken along a line AA shown in FIG. 1, which is a schematic cross-sectional view for explaining a configuration of an organic EL display element as a display unit 11 of a sub-pixel 10 of the present application.
- FIG. 3 is a cross-sectional view taken along the line BB shown in FIG. 1, which is a schematic cross-sectional view for explaining a configuration of an organic thin-film transistor employed as the thin-film transistor 13 of the sub-pixel 10 of the present application.
- FIG. 4 is a front view of a sub-pixel of Comparative Example 1.
- FIG. 1 is a front view of the sub-pixel of the present application.
- the subpixel 10 of the present application includes, on a glass substrate 15, one display unit 11 and two thin film transistors 12 and 13 for driving the display unit 11.
- the two thin film transistors are a switching thin film transistor 12 and a driving thin film transistor 13.
- the display unit 11 and the thin film transistors 12 and 13 may be provided with a storage capacitance 14 and the like.
- the sub-pixel 10 of the present application is configured such that the plurality of transistors (the switching thin film transistor 12 and the driving thin film transistor 13 in FIG. 1) are arranged such that their respective channels C and C are parallel to each other! It has features.
- the display unit 11 and the thin film transistors 12, 13 constituting the sub pixels have become more and more fine in recent years.
- the size of the display unit 11 can be ensured even when an organic thin film transistor or an amorphous Si thin film transistor is used as the thin film transistor. That is, even if the organic thin film transistor and the like are made larger than the conventional polycrystalline Si thin film transistor, the size of the display section 11 can be secured as it is.
- the size of the entire subpixel and the size of the thin film transistor is not particularly limited.
- the width Y of the channel of the thin-film transistors 12 and 13, especially the driving thin-film transistor 13, is 0.4 or more. Is preferred 0.5 or more is particularly preferred.
- the display unit 11 constituting the sub-pixel 10 of the present application is not particularly limited, and may be, for example, a liquid crystal display element or an organic EL display element.
- FIG. 2 is a cross-sectional view taken along the line AA shown in FIG. 1, and is a schematic cross-sectional view for explaining the configuration of the organic EL display element as the display unit 11 of the sub-pixel 10 of the present application.
- an organic EL display element serving as the display unit 11 includes an anode 20, a hole injection layer 21, a hole transport layer 22, an organic light emitting layer 23, and a hole blocking layer 2 on a glass substrate 15. 4.
- the electron transport layer 25, the electron injection layer 26, and the cathode 27 are sequentially laminated.
- the present invention is not particularly limited, and any conventionally known material can be arbitrarily used.
- the present invention is not particularly limited to the method of manufacturing such an organic EL display element.
- the respective layers may be sequentially stacked using a vacuum evaporation apparatus or the like.
- the thin film transistors 12 and 13 constituting the sub-pixel 10 of the present application are not particularly limited, and it is also possible to use such thin film transistors (or so-called TFTs).
- TFTs thin film transistors
- an organic thin film transistor or an amorphous Si thin film transistor is used, there is a problem that the charge mobility is lower than that of a conventional polycrystalline Si transistor. Therefore, the charge mobility can be increased.
- the sub-pixel of the present application even if the width of the channel is increased, since the channels are arranged in parallel, the size of the display unit can be secured.
- FIG. 3 is a cross-sectional view taken along the line BB shown in FIG. 1, and is a schematic cross-sectional view for explaining the configuration of the organic thin-film transistor employed as the thin-film transistor 13 of the sub-pixel 10 of the present application.
- an organic thin film transistor can also be used for the power switching thin film transistor 12 described as the driving thin film transistor 13.
- An organic thin-film transistor as the driving thin-film transistor 13 includes a gate electrode 30, a gate insulating film 31, a source electrode 32, a drain electrode 33, The silazane film 34 and the organic semiconductor layer 35 are sequentially laminated as shown in the figure.
- the channel C of the thin film transistor of the present application is a portion between the source electrode 32 and the drain electrode 33.
- any organic material exhibiting semiconductor characteristics may be used.
- phthalocyanine derivatives, naphthalocyanine derivatives, azo compound derivatives, perylene compounds Derivatives, indigo derivatives, quinacridone derivatives, polycyclic quinone derivatives such as anthraquinones, cyanine derivatives, fullerene derivatives, or indole, carpazole, oxazole, isoxoxazole, thiazole, imidazole, pyrazole, oxaziazole, pyrazoline, thiazone
- Nitrogen-containing cyclic compound derivatives such as thiazole and triazole, hydrazine derivatives, trifluoramine derivatives, triphenylmethane derivatives, stilbenes, quinone compound derivatives such as anthraquinone diphenoquinone, and pentacene , Anthrac
- the structure of the low-molecular compound described above is used in the main chain of a polymer such as a polyethylene chain, polysiloxane chain, polyether chain, polyester chain, polyamide chain, or polyimide chain. Or a pendant bond as a side chain, or an aromatic conjugated polymer such as polyparaphenylene, an aliphatic conjugated polymer such as polyacetylene, or a heterocyclic conjugate having a high polypinol or polytifen ratio.
- a polymer such as a polyethylene chain, polysiloxane chain, polyether chain, polyester chain, polyamide chain, or polyimide chain.
- a pendant bond as a side chain, or an aromatic conjugated polymer such as polyparaphenylene, an aliphatic conjugated polymer such as polyacetylene, or a heterocyclic conjugate having a high polypinol or polytifen ratio.
- Structural units of molecules, heteroatom-containing conjugated polymers such as polyarynes and polyphenylene sulfide, and conjugated polymers such as poly (phenylenevinylene) and poly (thylenevinylene) are alternately bonded.
- a carbon-based conjugated polymer such as a composite conjugated polymer having the above structure is used.
- Oligosilanes such as polysilanes, disila-lenarylene polymers, (disila-rene) etulene polymers, and disila-lene carbon-based conjugated polymer structures such as (disila-len) ethylene polymers
- polymers in which carbon and conjugated structures are alternately linked are used.
- a polymer chain composed of an inorganic element such as a phosphorus-based or nitrogen-based polymer can be used.
- polymers such as phthalocyanate polysiloxane, in which aromatic ligands of a polymer chain are coordinated, perylene tetraforce Macromolecules obtained by heat-treating perylenes such as rubonic acid, and ladder-type macromolecules obtained by heat-treating polyethylene derivatives having a cyano group such as polyacrylonitrile;
- a composite material in which organic compounds are intercalated with a glass vesicle may be used.
- the source electrode 32 and the drain electrode 33 of the organic thin film transistor are not particularly limited, and any material can be used as long as it has sufficient conductivity.
- any material can be used as long as it has sufficient conductivity.
- an organic conductive material containing a metal oxide such as ITO (Indium-Tin Oxide) or IZO (Indium-Zinc Oxide), or a conjugated polymer compound such as polyalines, polythiophenes, and polypyrroles may be used.
- a metal oxide such as ITO (Indium-Tin Oxide) or IZO (Indium-Zinc Oxide)
- a conjugated polymer compound such as polyalines, polythiophenes, and polypyrroles
- Ta is used as the gate electrode 30, and this is anodically oxidized to form Ta 2 O as the gate insulating film 31.
- An example force is not limited to this. Game
- the material of the gate electrode 30 may be any metal as long as it is a metal capable of anodizing, for example, a simple substance such as Al, Mg, Ti, Nb, Zr, or the like, or a mixture of these metals.
- the gate insulating film 31 can be obtained by anodizing these alloys. In the case where the gate insulating film is not formed by anodic oxidation of the gate electrode, the same material as the source electrode 32 and the drain electrode 33 can be used for the gate electrode 30.
- any metal composite oxide sulfides such as FeS, AlS, MgS, ZnS, LiF, MgF, S
- Fluoride such as 32 mF
- chloride such as HgCl, FeCl, CrCl, AgBr, CuBr, MnBr
- Objects can also be used. It is also effective to use a polymer material such as polyimide, polyamide, polyester, polyatarylate, epoxy resin, phenol resin, or polybutyl alcohol for the gate insulating film.
- a polymer material such as polyimide, polyamide, polyester, polyatarylate, epoxy resin, phenol resin, or polybutyl alcohol for the gate insulating film.
- the method of manufacturing an organic thin film transistor using each of these materials is not particularly limited in the present invention, and a conventionally known method can be used.
- a gate electrode 30 and a Ta film for the storage capacitance 14 are formed on the cleaned glass substrate 15, and dry etching is performed by an RIE apparatus to form a desired wiring pattern.
- the wiring pattern was designed so that the directions of the two organic thin film transistors, that is, the switching organic thin film transistor 12 and the driving organic thin film transistor 13, and the respective gate electrodes 30 were parallel, and the channel direction of each transistor was parallel. I do.
- the surface of Ta is covered with a TaO film by performing anodizing on the Ta wiring film, and this is gate-insulated.
- the film 31 can be used. After that, C for the source electrode 32 and the drain electrode 33
- the organic thin film transistor shown in FIG. 2 can be formed by patterning the r film and the Au film and providing the hexamethyldisilazane film 34 on the gate insulating film 31 by the dip coating method.
- the organic thin film transistor formed of the above-described material it is preferable to perform a rubbing treatment on a channel portion thereof, that is, in the organic thin film transistor shown in FIG. 3, on the hexamethyldisilazane film 34.
- the rubbing treatment is a treatment of rubbing the film surface in the same direction with a cloth, for example, a felt, a brush, or the like, and is also called an orientation treatment. By performing this treatment, the orientation to the organic semiconductor is improved, and the charge mobility of the organic thin film transistor can be increased.
- the rubbing direction may be arbitrarily determined according to the material of the channel portion.
- the invention of the present application is not limited to the above embodiment.
- the above embodiment is an exemplification, and has substantially the same configuration as the technical idea described in the claims of the present invention, and any device having the same operation and effect can be realized by the present invention. It is included in the technical scope of the invention.
- a force using a glass substrate as the substrate 15 is not limited to this, and a plastic substrate such as polyethersulfone (Polyethersulfone: PES) or polycarbonate (polycarbonate: PC), A laminated substrate of glass and plastic may be used, and the surface of the substrate may be coated with an alkali barrier film or a bus noria film.
- a plastic substrate such as polyethersulfone (Polyethersulfone: PES) or polycarbonate (polycarbonate: PC)
- PES polyethersulfone
- PC polycarbonate
- a laminated substrate of glass and plastic may be used, and the surface of the substrate may be coated with an alkali barrier film or a bus noria film.
- an organic thin film transistor is used as the thin film transistor and an organic EL display element is used as the display section, it is preferable to seal the entire subpixel in order to protect them from moisture.
- the present application is not particularly limited by this sealing method.
- a sealing can may be used or sealing may be performed with an inorganic or polymer resin film.
- a sub-pixel as shown in FIG. 1 was manufactured.
- organic thin-film transistors were used as the two transistors forming the sub-pixel, and the channels were arranged in parallel as shown in FIG. Also its manufacture The method is as described above. The rubbing process described above was applied only once to the channels of the two organic thin film transistors.
- the dimensions of the manufactured subpixel are as follows: the length of one side of the subpixel 10: lmm, the width of the switching organic thin film transistor 12: 400 ⁇ m, the width of the driving organic thin film transistor 13: 700 ⁇ m, the distance of the channel C Distance between poles): 10 m.
- FIG. 4 is a front view of the subpixel of Comparative Example 1.
- a sub-pixel as shown in FIG. 4 that is, a sub-pixel arranged so as to be orthogonal to two transistors constituting the sub-pixel was manufactured. Note that each of the two transistors used in this comparative example was manufactured using the same material and the same method as in Example 1 described above.
- As the rubbing treatment a single rubbing treatment was performed from the bottom to the top in FIG. 4 (see the arrow), that is, along the channel of the transistor 42 shown in FIG.
- the transistors of the sub-pixel of Example 1 had charge mobilities of 0.23 cm Vs and 0.21 cm 2 / Vs, respectively.
- the transistor of the sub-pixel of Comparative Example 1 has a transistor 42 rubbed along the channel with a charge mobility of 0.21 cm 2 / Vs, while the other transistor 43 has a charge mobility of 0.21 cm 2 / Vs. 0.05 cm 2 / Vs.
- Example 1 Although the subpixels of Example 1 and Comparative Example 1 have the same overall size, a comparison of the display units 11 and 41 reveals that the subpixels of Example 1 are smaller. As you grow larger, you can help yourself.
- the size of the display portion can be ensured even when the organic thin film transistor / amorphous Si thin film transistor is used as the thin film transistor. Since a plurality of thin film transistors are arranged so that each channel is parallel, a plurality of thin film transistors can be rubbed at once with only one rubbing process, and the charge mobility of each can be improved. .
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006511428A JPWO2005093695A1 (ja) | 2004-03-26 | 2005-03-14 | サブピクセル |
US10/594,039 US20070194312A1 (en) | 2004-03-26 | 2005-03-14 | Subpixel |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-091257 | 2004-03-26 | ||
JP2004091257 | 2004-03-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005093695A1 true WO2005093695A1 (ja) | 2005-10-06 |
Family
ID=35056410
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/004424 WO2005093695A1 (ja) | 2004-03-26 | 2005-03-14 | サブピクセル |
Country Status (4)
Country | Link |
---|---|
US (1) | US20070194312A1 (ja) |
JP (1) | JPWO2005093695A1 (ja) |
TW (1) | TW200537170A (ja) |
WO (1) | WO2005093695A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008159935A (ja) * | 2006-12-25 | 2008-07-10 | Kyodo Printing Co Ltd | フレキシブルtft基板及びその製造方法とフレキシブルディスプレイ |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101219046B1 (ko) * | 2005-11-17 | 2013-01-08 | 삼성디스플레이 주식회사 | 표시장치와 이의 제조방법 |
US20070145359A1 (en) * | 2005-12-07 | 2007-06-28 | Chi Ming Che | Materials for organic thin film transistors |
JP5644071B2 (ja) * | 2008-08-20 | 2014-12-24 | 株式会社リコー | 電界効果型トランジスタ、表示素子、画像表示装置及びシステム |
JP5931573B2 (ja) * | 2011-05-13 | 2016-06-08 | 株式会社半導体エネルギー研究所 | 半導体装置の作製方法 |
TWI470808B (zh) * | 2011-12-28 | 2015-01-21 | Au Optronics Corp | 半導體元件及其製作方法 |
JP6015389B2 (ja) * | 2012-11-30 | 2016-10-26 | 株式会社リコー | 電界効果型トランジスタ、表示素子、画像表示装置、及びシステム |
KR102000829B1 (ko) * | 2017-09-07 | 2019-07-16 | 한양대학교 산학협력단 | 고유전체 절연 박막을 포함하는 박막 트랜지스터 및 이의 제조 방법 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5888780A (ja) * | 1981-11-20 | 1983-05-26 | 三菱電機株式会社 | マトリクス型液晶表示装置 |
JP2002108250A (ja) * | 2000-09-29 | 2002-04-10 | Sharp Corp | アクティブマトリックス駆動型自発光表示装置及びその製造方法 |
JP2002287666A (ja) * | 2001-03-28 | 2002-10-04 | Hitachi Ltd | 表示装置 |
JP2003015548A (ja) * | 2001-06-29 | 2003-01-17 | Seiko Epson Corp | 有機el表示体の製造方法、半導体素子の配置方法、半導体装置の製造方法、電気光学装置の製造方法、電気光学装置、および電子機器 |
JP2003209118A (ja) * | 2001-12-28 | 2003-07-25 | Lg Philips Lcd Co Ltd | アクティブマトリックス有機電界発光ディスプレイ装置及びその製造方法 |
JP2004006797A (ja) * | 2002-04-11 | 2004-01-08 | Semiconductor Energy Lab Co Ltd | 半導体装置 |
JP2004095874A (ja) * | 2002-08-30 | 2004-03-25 | Pioneer Electronic Corp | 有機半導体素子及びその製造方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4275336B2 (ja) * | 2001-11-16 | 2009-06-10 | 株式会社半導体エネルギー研究所 | 半導体装置の作製方法 |
US6847050B2 (en) * | 2002-03-15 | 2005-01-25 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor element and semiconductor device comprising the same |
KR100489272B1 (ko) * | 2002-07-08 | 2005-05-17 | 엘지.필립스 엘시디 주식회사 | 유기 전계발광소자 및 그의 구동방법 |
KR20050032114A (ko) * | 2002-08-06 | 2005-04-06 | 아베시아 리미티드 | 유기 전기 소자 |
CN1324540C (zh) * | 2003-06-05 | 2007-07-04 | 三星Sdi株式会社 | 具有多晶硅薄膜晶体管的平板显示装置 |
-
2005
- 2005-03-14 WO PCT/JP2005/004424 patent/WO2005093695A1/ja active Application Filing
- 2005-03-14 US US10/594,039 patent/US20070194312A1/en not_active Abandoned
- 2005-03-14 JP JP2006511428A patent/JPWO2005093695A1/ja active Pending
- 2005-03-25 TW TW094109292A patent/TW200537170A/zh unknown
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5888780A (ja) * | 1981-11-20 | 1983-05-26 | 三菱電機株式会社 | マトリクス型液晶表示装置 |
JP2002108250A (ja) * | 2000-09-29 | 2002-04-10 | Sharp Corp | アクティブマトリックス駆動型自発光表示装置及びその製造方法 |
JP2002287666A (ja) * | 2001-03-28 | 2002-10-04 | Hitachi Ltd | 表示装置 |
JP2003015548A (ja) * | 2001-06-29 | 2003-01-17 | Seiko Epson Corp | 有機el表示体の製造方法、半導体素子の配置方法、半導体装置の製造方法、電気光学装置の製造方法、電気光学装置、および電子機器 |
JP2003209118A (ja) * | 2001-12-28 | 2003-07-25 | Lg Philips Lcd Co Ltd | アクティブマトリックス有機電界発光ディスプレイ装置及びその製造方法 |
JP2004006797A (ja) * | 2002-04-11 | 2004-01-08 | Semiconductor Energy Lab Co Ltd | 半導体装置 |
JP2004095874A (ja) * | 2002-08-30 | 2004-03-25 | Pioneer Electronic Corp | 有機半導体素子及びその製造方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008159935A (ja) * | 2006-12-25 | 2008-07-10 | Kyodo Printing Co Ltd | フレキシブルtft基板及びその製造方法とフレキシブルディスプレイ |
Also Published As
Publication number | Publication date |
---|---|
TW200537170A (en) | 2005-11-16 |
JPWO2005093695A1 (ja) | 2008-02-14 |
US20070194312A1 (en) | 2007-08-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US20090026443A1 (en) | Organic thin-film transistor and method of manufacture thereof | |
WO2005093695A1 (ja) | サブピクセル | |
Kim et al. | Electrolyte‐gated transistors for organic and printed electronics | |
KR101062108B1 (ko) | 유기 반도체 소자 및 그 제조방법 | |
JP4531850B2 (ja) | 有機トランジスタ及びその製造方法 | |
JP5141325B2 (ja) | 有機elディスプレイパネルの製造方法 | |
WO2006109526A1 (ja) | 有機el表示装置、有機トランジスタ、これらの製造方法 | |
EP2003935B1 (en) | Organic electroluminescent display panel and method for fabricating the same | |
US6787992B2 (en) | Display device of flat panel structure with emission devices of matrix array | |
JP5486033B2 (ja) | 有機薄膜トランジスタ装置及びその製造方法 | |
KR101069050B1 (ko) | 유기 el 표시장치 및 그 제조방법 | |
WO2017155295A1 (ko) | 전기변색 소자 | |
JP4200221B2 (ja) | 可逆着脱色固体素子、可逆導電性変化固体素子、可逆屈折率変化固体素子、非発光型表示素子、通電路素子および光導波路素子 | |
WO2006106826A1 (ja) | 有機el表示装置、有機トランジスタ、これらの製造方法 | |
JP2007273874A (ja) | 有機半導体装置及びその製造方法 | |
WO2009147746A1 (ja) | 有機トランジスタ及びその製造方法 | |
JP5884306B2 (ja) | 薄膜トランジスタおよびその製造方法、ならびに電子機器 | |
JP2008153550A (ja) | 半導体装置、半導体装置の製造方法、電気光学装置および電子機器 | |
WO2006101017A1 (ja) | 有機薄膜トランジスタ及びその製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SM SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 2006511428 Country of ref document: JP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 10594039 Country of ref document: US Ref document number: 2007194312 Country of ref document: US |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWW | Wipo information: withdrawn in national office |
Ref document number: DE |
|
122 | Ep: pct application non-entry in european phase | ||
WWP | Wipo information: published in national office |
Ref document number: 10594039 Country of ref document: US |