JP2017516268A - 有機発光素子 - Google Patents
有機発光素子 Download PDFInfo
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- JP2017516268A JP2017516268A JP2016567516A JP2016567516A JP2017516268A JP 2017516268 A JP2017516268 A JP 2017516268A JP 2016567516 A JP2016567516 A JP 2016567516A JP 2016567516 A JP2016567516 A JP 2016567516A JP 2017516268 A JP2017516268 A JP 2017516268A
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- 230000007547 defect Effects 0.000 claims description 45
- 239000012044 organic layer Substances 0.000 claims description 15
- 229910052751 metal Inorganic materials 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229920001940 conductive polymer Polymers 0.000 claims description 4
- 229910044991 metal oxide Inorganic materials 0.000 claims description 3
- 150000004706 metal oxides Chemical class 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 229910052809 inorganic oxide Inorganic materials 0.000 claims description 2
- 229910052976 metal sulfide Inorganic materials 0.000 claims description 2
- 229920000620 organic polymer Polymers 0.000 claims description 2
- 239000011810 insulating material Substances 0.000 claims 1
- 239000000758 substrate Substances 0.000 description 26
- 239000000463 material Substances 0.000 description 18
- 238000000149 argon plasma sintering Methods 0.000 description 12
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- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000005525 hole transport Effects 0.000 description 4
- 238000005286 illumination Methods 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 229920003207 poly(ethylene-2,6-naphthalate) Polymers 0.000 description 4
- 229920002530 polyetherether ketone Polymers 0.000 description 4
- 239000011112 polyethylene naphthalate Substances 0.000 description 4
- 229920000139 polyethylene terephthalate Polymers 0.000 description 4
- 239000005020 polyethylene terephthalate Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 239000010405 anode material Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- QENGPZGAWFQWCZ-UHFFFAOYSA-N 3-Methylthiophene Chemical compound CC=1C=CSC=1 QENGPZGAWFQWCZ-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical compound C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 description 2
- 239000005083 Zinc sulfide Substances 0.000 description 2
- IOJUPLGTWVMSFF-UHFFFAOYSA-N benzothiazole Chemical compound C1=CC=C2SC=NC2=C1 IOJUPLGTWVMSFF-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 239000010406 cathode material Substances 0.000 description 2
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- 239000010949 copper Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 238000000059 patterning Methods 0.000 description 2
- 229920000553 poly(phenylenevinylene) Polymers 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 239000010409 thin film Substances 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
- 229910052984 zinc sulfide Inorganic materials 0.000 description 2
- BCMCBBGGLRIHSE-UHFFFAOYSA-N 1,3-benzoxazole Chemical compound C1=CC=C2OC=NC2=C1 BCMCBBGGLRIHSE-UHFFFAOYSA-N 0.000 description 1
- ZZLQHXCRRMUGQJ-UHFFFAOYSA-N 2'-Hydroxyflavone Natural products OC1=CC=CC=C1C1=CC(=O)C2=CC=CC=C2O1 ZZLQHXCRRMUGQJ-UHFFFAOYSA-N 0.000 description 1
- 239000005725 8-Hydroxyquinoline Substances 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
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 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
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910006404 SnO 2 Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 150000004982 aromatic amines Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 150000001556 benzimidazoles Chemical class 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- UFVXQDWNSAGPHN-UHFFFAOYSA-K bis[(2-methylquinolin-8-yl)oxy]-(4-phenylphenoxy)alumane Chemical compound [Al+3].C1=CC=C([O-])C2=NC(C)=CC=C21.C1=CC=C([O-])C2=NC(C)=CC=C21.C1=CC([O-])=CC=C1C1=CC=CC=C1 UFVXQDWNSAGPHN-UHFFFAOYSA-K 0.000 description 1
- 229920001400 block copolymer Polymers 0.000 description 1
- 125000000609 carbazolyl group Chemical class C1(=CC=CC=2C3=CC=CC=C3NC12)* 0.000 description 1
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- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 230000005283 ground state Effects 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 229910003437 indium oxide Inorganic materials 0.000 description 1
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910001120 nichrome Inorganic materials 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 229960003540 oxyquinoline Drugs 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920000767 polyaniline Polymers 0.000 description 1
- 229920002098 polyfluorene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920000128 polypyrrole Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- MCJGNVYPOGVAJF-UHFFFAOYSA-N quinolin-8-ol Chemical compound C1=CN=C2C(O)=CC=CC2=C1 MCJGNVYPOGVAJF-UHFFFAOYSA-N 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- YYMBJDOZVAITBP-UHFFFAOYSA-N rubrene Chemical compound C1=CC=CC=C1C(C1=C(C=2C=CC=CC=2)C2=CC=CC=C2C(C=2C=CC=CC=2)=C11)=C(C=CC=C2)C2=C1C1=CC=CC=C1 YYMBJDOZVAITBP-UHFFFAOYSA-N 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000010944 silver (metal) Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 150000003413 spiro compounds Chemical class 0.000 description 1
- 125000005504 styryl group Chemical group 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 229930192474 thiophene Natural products 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 239000012780 transparent material Substances 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
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/805—Electrodes
- H10K50/81—Anodes
- H10K50/814—Anodes combined with auxiliary electrodes, e.g. ITO layer combined with metal lines
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/805—Electrodes
- H10K50/81—Anodes
- H10K50/813—Anodes characterised by their shape
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/805—Electrodes
- H10K50/82—Cathodes
- H10K50/824—Cathodes combined with auxiliary electrodes
-
- 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
- H10K2102/00—Constructional details relating to the organic devices covered by this subclass
- H10K2102/301—Details of OLEDs
- H10K2102/341—Short-circuit prevention
-
- 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
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
Description
前記導電性接続部の一つの末端部(一端部)は、前記導電性ユニットと電気的に接続され、前記導電性接続部の他の末端部(他端部)は、前記第1電極の通電部または補助電極と電気的に接続され、
前記導電性接続部は、電流が流れる方向の長さが、それに垂直方向の幅よりも長い領域を含む有機発光素子を提供する。
前記導電性接続部の一端部は、前記導電性ユニットと電気的に接続されていて、前記導電性接続部の他端部は、前記第1電極の通電部または補助電極と電気的に接続され、
前記導電性接続部は、電流が流れる方向の長さが、それに垂直方向の幅よりも長い領域を含む有機発光素子を提供する。
前記Vo(V)は、導電性接続部が適用されず、短絡欠陥のない有機発光素子の動作電圧であり、
前記It(mA)は、導電性接続部が適用され、短絡欠陥がない有機発光素子の動作電流であり、
前記Is(mA)は、導電性接続部が適用され、いずれか一つの導電性ユニットに短絡欠陥がある有機発光素子での漏れ電流である。)
201、202:導電性接続部
301、302、303:第1電極の通電部
401:補助電極
501:基板
601:絶縁層
701:有機物層
801:第2電極
901:封止層
Claims (22)
- 2以上の導電性ユニットおよび前記導電性ユニットの各々に接続された導電性接続部を2つ以上含む第1電極、
前記第1電極に対向して備えられた第2電極、
前記第1電極及び前記第2電極との間に備えられた1層以上の有機物層、および
前記導電性接続部を電気的に接続する第1電極の通電部または補助電極を含み、
前記導電性接続部の一端部が、前記導電性ユニットと電気的に接続され、前記導電性接続部の他端部は、前記第1電極の通電部または補助電極と電気的に接続され、
前記導電性接続部は、電流が流れる方向の長さが、それに垂直方向の幅よりも長い領域を含むものである有機発光素子。 - 前記導電性接続部が、前記長さと前記幅の比が10:1以上の領域を含むものである請求項1に記載の有機発光素子。
- 前記導電性接続部の抵抗が、400Ω以上30万Ω以下である請求項1に記載の有機発光素子。
- 1mA/cm2〜5mA/cm2のいずれか一つの値の電流密度で、前記導電性接続部が、下記式1の動作電圧の上昇率および下記式2の動作電流対比漏れ電流の数値が同時に0.03以下を満足する抵抗値を有するものである請求項1に記載の有機発光素子:
[式1]
[式2]
(前記Vt(V)は、導電性接続部が適用され、短絡欠陥がない有機発光素子の動作電圧であり、
前記Vo(V)は、導電性接続部が適用されず、短絡欠陥のない有機発光素子の動作電圧であり、
前記It(mA)は、導電性接続部が適用され、短絡欠陥がない有機発光素子の動作電流であり、
前記Is(mA)は、導電性接続部が適用され、いずれか一つの導電性ユニットに短絡欠陥がある有機発光素子での漏れ電流である。) - 前記第1電極が、互いに離隔した1,000個以上の前記導電性ユニットを含むものである請求項1に記載の有機発光素子。
- 前記の各導電性ユニットの面積が、0.01mm2以上25mm2以下である請求項1に記載の有機発光素子。
- 前記いずれか一つの導電性ユニットから隣接する他の一つの導電性ユニットまでの抵抗が、前記導電性接続部の抵抗の2倍以上である請求項1に記載の有機発光素子。
- 前記導電性ユニットの面抵抗が、1Ω/□以上である請求項1に記載の有機発光素子。
- 前記第1電極の通電部または補助電極が、前記導電性ユニットと離隔して備えられた請求項1に記載の有機発光素子。
- 前記補助電極が、各々の前記導電性ユニットと離隔配置され、1以上の前記導電性ユニットを囲む網目構造で備えられる請求項1に記載の有機発光素子。
- 前記補助電極が、3以上の分枝を有する分枝点を2以上含み、隣接する前記分枝点間の抵抗が35Ω以下である請求項1に記載の有機発光素子。
- 前記補助電極の面抵抗が、3Ω/□以下である請求項1に記載の有機発光素子。
- 前記第1電極と前記補助電極との間に備えられた短絡防止層をさらに含む請求項1に記載の有機発光素子。
- 前記補助電極が、前記短絡防止層を通じて前記導電性接続部と電気的に接続されている請求項13に記載の有機発光素子。
- 前記短絡防止層が、補助電極が形成される上面、下面または側面に備えられる請求項13に記載の有機発光素子。
- 前記短絡防止層の厚さが、1nm以上10μm以下である請求項13に記載の有機発光素子。
- 前記短絡防止層の体積抵抗率が、0.63Ωcm以上8.1×1010Ωcm以下である請求項13に記載の有機発光素子。
- 前記短絡防止層が、炭素粉末、炭素皮膜、導電性高分子、有機高分子、金属、金属酸化物、無機酸化物、金属硫化物、および絶縁物質からなる群から選ばれる1種または2種以上を含む請求項13に記載の有機発光素子。
- 前記導電ユニットが前記有機発光素子に占める面積が、前記有機発光素子全体の平面図を基準に50%以上90%以下である請求項1に記載の有機発光素子。
- 前記有機発光素子が、フレキシブル(flexible)有機発光素子である請求項1に記載の有機発光素子。
- 請求項1〜20のいずれか一項の規定による有機発光素子を含むディスプレイ装置。
- 請求項1〜20のいずれか一項の規定による有機発光素子を含む照明装置。
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KR102340944B1 (ko) * | 2017-07-11 | 2021-12-20 | 엘지디스플레이 주식회사 | 유기발광소자를 이용한 조명장치 및 그 제조방법 |
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US10056572B2 (en) | 2018-08-21 |
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