JP2019525379A - 発光装置、およびそれを備える電子デバイス - Google Patents
発光装置、およびそれを備える電子デバイス Download PDFInfo
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- JP2019525379A JP2019525379A JP2018561697A JP2018561697A JP2019525379A JP 2019525379 A JP2019525379 A JP 2019525379A JP 2018561697 A JP2018561697 A JP 2018561697A JP 2018561697 A JP2018561697 A JP 2018561697A JP 2019525379 A JP2019525379 A JP 2019525379A
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- 125000004174 2-benzimidazolyl group Chemical group [H]N1C(*)=NC2=C([H])C([H])=C([H])C([H])=C12 0.000 description 1
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- 125000001622 2-naphthyl group Chemical group [H]C1=C([H])C([H])=C2C([H])=C(*)C([H])=C([H])C2=C1[H] 0.000 description 1
- BXAAQNFGSQKPDZ-UHFFFAOYSA-N 3-[1,2,2-tris(prop-2-enoxy)ethoxy]prop-1-ene Chemical compound C=CCOC(OCC=C)C(OCC=C)OCC=C BXAAQNFGSQKPDZ-UHFFFAOYSA-N 0.000 description 1
- TYNJQOJWNMZQFZ-UHFFFAOYSA-N 4-prop-2-enoxybenzaldehyde Chemical compound C=CCOC1=CC=C(C=O)C=C1 TYNJQOJWNMZQFZ-UHFFFAOYSA-N 0.000 description 1
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- 125000004648 C2-C8 alkenyl group Chemical group 0.000 description 1
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- 239000004793 Polystyrene Substances 0.000 description 1
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- PJANXHGTPQOBST-VAWYXSNFSA-N Stilbene Natural products C=1C=CC=CC=1/C=C/C1=CC=CC=C1 PJANXHGTPQOBST-VAWYXSNFSA-N 0.000 description 1
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- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 1
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- 238000010504 bond cleavage reaction Methods 0.000 description 1
- WTEOIRVLGSZEPR-UHFFFAOYSA-N boron trifluoride Chemical compound FB(F)F WTEOIRVLGSZEPR-UHFFFAOYSA-N 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- XGZGKDQVCBHSGI-UHFFFAOYSA-N butyl(triethoxy)silane Chemical compound CCCC[Si](OCC)(OCC)OCC XGZGKDQVCBHSGI-UHFFFAOYSA-N 0.000 description 1
- SXPLZNMUBFBFIA-UHFFFAOYSA-N butyl(trimethoxy)silane Chemical compound CCCC[Si](OC)(OC)OC SXPLZNMUBFBFIA-UHFFFAOYSA-N 0.000 description 1
- CREMABGTGYGIQB-UHFFFAOYSA-N carbon carbon Chemical compound C.C CREMABGTGYGIQB-UHFFFAOYSA-N 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000007771 core particle Substances 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 210000002858 crystal cell Anatomy 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 150000001923 cyclic compounds Chemical class 0.000 description 1
- 125000000753 cycloalkyl group Chemical group 0.000 description 1
- 125000000582 cycloheptyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- 125000006547 cyclononyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C([H])([H])C1([H])[H] 0.000 description 1
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- QWSFDUPEOPMXCV-UHFFFAOYSA-N ethyl 2,4-dimethyl-1h-pyrrole-3-carboxylate Chemical compound CCOC(=O)C=1C(C)=CNC=1C QWSFDUPEOPMXCV-UHFFFAOYSA-N 0.000 description 1
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- 125000003187 heptyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
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- 125000001183 hydrocarbyl group Chemical group 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
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- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
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- RKJUIXBNRJVNHR-UHFFFAOYSA-N indolenine Natural products C1=CC=C2CC=NC2=C1 RKJUIXBNRJVNHR-UHFFFAOYSA-N 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- QDLAGTHXVHQKRE-UHFFFAOYSA-N lichenxanthone Natural products COC1=CC(O)=C2C(=O)C3=C(C)C=C(OC)C=C3OC2=C1 QDLAGTHXVHQKRE-UHFFFAOYSA-N 0.000 description 1
- 125000005647 linker group Chemical group 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- SFDJOSRHYKHMOK-UHFFFAOYSA-N nitramide Chemical compound N[N+]([O-])=O SFDJOSRHYKHMOK-UHFFFAOYSA-N 0.000 description 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
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- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- MSRJTTSHWYDFIU-UHFFFAOYSA-N octyltriethoxysilane Chemical compound CCCCCCCC[Si](OCC)(OCC)OCC MSRJTTSHWYDFIU-UHFFFAOYSA-N 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000007415 particle size distribution analysis Methods 0.000 description 1
- 125000000286 phenylethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])C([H])([H])* 0.000 description 1
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- 238000005424 photoluminescence Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
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- 229920006122 polyamide resin Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 150000004032 porphyrins Chemical class 0.000 description 1
- 125000002568 propynyl group Chemical group [*]C#CC([H])([H])[H] 0.000 description 1
- 239000011814 protection agent Substances 0.000 description 1
- 238000006862 quantum yield reaction Methods 0.000 description 1
- 125000001453 quaternary ammonium group Chemical group 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- GUGNSJAORJLKGP-UHFFFAOYSA-K sodium 8-methoxypyrene-1,3,6-trisulfonate Chemical compound [Na+].[Na+].[Na+].C1=C2C(OC)=CC(S([O-])(=O)=O)=C(C=C3)C2=C2C3=C(S([O-])(=O)=O)C=C(S([O-])(=O)=O)C2=C1 GUGNSJAORJLKGP-UHFFFAOYSA-K 0.000 description 1
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- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000013112 stability test Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- PJANXHGTPQOBST-UHFFFAOYSA-N stilbene Chemical compound C=1C=CC=CC=1C=CC1=CC=CC=C1 PJANXHGTPQOBST-UHFFFAOYSA-N 0.000 description 1
- 235000021286 stilbenes Nutrition 0.000 description 1
- 125000005415 substituted alkoxy group Chemical group 0.000 description 1
- 125000000547 substituted alkyl group Chemical group 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 150000003871 sulfonates Chemical class 0.000 description 1
- UQMOLLPKNHFRAC-UHFFFAOYSA-N tetrabutyl silicate Chemical compound CCCCO[Si](OCCCC)(OCCCC)OCCCC UQMOLLPKNHFRAC-UHFFFAOYSA-N 0.000 description 1
- 125000003718 tetrahydrofuranyl group Chemical group 0.000 description 1
- OTTUQUOINFJTBJ-UHFFFAOYSA-N tetrakis(2-ethoxyethyl) silicate Chemical compound CCOCCO[Si](OCCOCC)(OCCOCC)OCCOCC OTTUQUOINFJTBJ-UHFFFAOYSA-N 0.000 description 1
- KGYWKKUEUQXCHA-UHFFFAOYSA-N tetrakis(2-methylhexyl) silicate Chemical compound CCCCC(C)CO[Si](OCC(C)CCCC)(OCC(C)CCCC)OCC(C)CCCC KGYWKKUEUQXCHA-UHFFFAOYSA-N 0.000 description 1
- HMJCGNIRAUBAEJ-UHFFFAOYSA-N tetrakis(3-methoxypropyl) silicate Chemical compound COCCCO[Si](OCCCOC)(OCCCOC)OCCCOC HMJCGNIRAUBAEJ-UHFFFAOYSA-N 0.000 description 1
- ZQZCOBSUOFHDEE-UHFFFAOYSA-N tetrapropyl silicate Chemical compound CCCO[Si](OCCC)(OCCC)OCCC ZQZCOBSUOFHDEE-UHFFFAOYSA-N 0.000 description 1
- 238000012719 thermal polymerization Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- YZVRVDPMGYFCGL-UHFFFAOYSA-N triacetyloxysilyl acetate Chemical compound CC(=O)O[Si](OC(C)=O)(OC(C)=O)OC(C)=O YZVRVDPMGYFCGL-UHFFFAOYSA-N 0.000 description 1
- DENFJSAFJTVPJR-UHFFFAOYSA-N triethoxy(ethyl)silane Chemical compound CCO[Si](CC)(OCC)OCC DENFJSAFJTVPJR-UHFFFAOYSA-N 0.000 description 1
- FZMJEGJVKFTGMU-UHFFFAOYSA-N triethoxy(octadecyl)silane Chemical compound CCCCCCCCCCCCCCCCCC[Si](OCC)(OCC)OCC FZMJEGJVKFTGMU-UHFFFAOYSA-N 0.000 description 1
- NBXZNTLFQLUFES-UHFFFAOYSA-N triethoxy(propyl)silane Chemical compound CCC[Si](OCC)(OCC)OCC NBXZNTLFQLUFES-UHFFFAOYSA-N 0.000 description 1
- QQQSFSZALRVCSZ-UHFFFAOYSA-N triethoxysilane Chemical compound CCO[SiH](OCC)OCC QQQSFSZALRVCSZ-UHFFFAOYSA-N 0.000 description 1
- NMEPHPOFYLLFTK-UHFFFAOYSA-N trimethoxy(octyl)silane Chemical compound CCCCCCCC[Si](OC)(OC)OC NMEPHPOFYLLFTK-UHFFFAOYSA-N 0.000 description 1
- YUYCVXFAYWRXLS-UHFFFAOYSA-N trimethoxysilane Chemical compound CO[SiH](OC)OC YUYCVXFAYWRXLS-UHFFFAOYSA-N 0.000 description 1
- 239000001060 yellow colorant 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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133617—Illumination with ultraviolet light; Luminescent elements or materials associated to the cell
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
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Abstract
Description
青色光を発するバックライトユニットと、
バックライトユニットからの青色光を受ける色変換アレイと、を備える、発光装置であって、
色変換アレイが、緑色変換層および赤色変換層を備え、
緑色変換層および赤色変換層のうちの少なくとも1つが、緑色光または赤色光をそれぞれ発する第1または第2のナノ粒子を含み、第1または第2のナノ粒子が、カプセル化有機発光化合物であり、有機発光化合物は、430〜500ナノメートル(nm)のスペクトル領域において少なくとも1000M−1cm−1の吸収を有し、100nm未満の発光帯域の半値全幅を見せ、
色変換アレイは、少なくとも赤色光、緑色光、および青色光が、発光装置によって発せられて、赤色、緑色、および青色の成分を有する色を生成するように、バックライトユニットの青色光の少なくとも一部が通過することを可能にする、発光装置を提供する。
X1がNまたはCR17であり、R17が、H、ハロゲン、−CN、−CF3、置換もしくは非置換のC1−C24アルキル、置換もしくは非置換のC2−C24アルケニル、置換もしくは非置換のC2−C24アルキニル、置換もしくは非置換のC1−C24アルコキシ、置換もしくは非置換のC3−C20環基もしくは複素環基、置換もしくは非置換のC6−C20芳香族基、置換もしくは非置換のC5−C20複素芳香族基、エーテル、エステル、カルボン酸、−OH、アミド、アミン、またはスルフィドから選択され、
X2およびX3が、ハロゲン、置換もしくは非置換のC1−C24アルキル、置換もしくは非置換のC2−C24アルケニル、置換もしくは非置換のC2−C24アルキン、置換または非置換のC3−C20環基もしくは複素環基、C6−C20置換もしくは非置換の芳香族基、置換もしくは非置換のC5−C20複素芳香族基、または置換もしくは非置換のC1−C24アルコキシから、それぞれ独立して選択され、X2およびX3が、ともに結合して、単一の置換基を形成してもよい。
R26およびR27が、置換もしくは非置換のC1−C20アルキル、C2−C20置換もしくは非置換のアルケニル、置換もしくは非置換のC2−C24アルキニル、置換もしくは非置換のC1−C24アルコシキ、置換もしくは非置換のC6−C24アリール基、置換もしくは非置換のC3−C20環基もしくは複素環基、または置換もしくは非置換のC5−C20複素芳香族基から、それぞれ独立して選択される。
官能化有機発光化合物と第1の前駆体との反応生成物を含む核であって、官能化有機発光化合物がD−L−SiX3の構造を有し、式中、Dが有機発光化合物に由来する発光団であり、Lが直接結合または有機基であり、Xが加水分解性置換基であり、第1の前駆体が、(a)SiX1 4の構造を有する第1の有機シラン化合物、(b)MX1 3もしくはMX1 4の構造を有する第1の有機金属化合物、またはそれらの混合物から選択され、式中、各X1が、独立して、加水分解性置換基であり、MがAl、Zr、Ti、またはそれらの組み合わせから選択される、核と、
第2の前駆体の反応生成物を含む殻であって、第2の前駆体が、(a)SiX2 4の構造を有する第2の有機シラン化合物、(b)MX2 3もしくはMX2 4の構造を有する第2の有機金属化合物、またはそれらの混合物から選択され、式中、各X2が、独立して、加水分解性置換基であり、Mが、Al、Zr、Ti、またはそれらの組み合わせから選択される、殻と、をそれぞれ独立して備えてもよい。第2の前駆体の反応生成物とは、第2の前駆体の加水分解および縮合を通して得られる生成物を指す。
D−L−SiX3(III)
式中、Dは、発光団であり、Lは、直接結合または有機基であり、Xは、加水分解性置換基である。官能化発光化合物の2種以上の混合物が使用されてもよい。
(1)官能化有機発光化合物1の合成
アセトン(40mL)中4−ヒドロキシベンズアルデヒド(4.0グラム(g)、32.7mmol、1.0相当(当量)の溶液に、K2CO3(13.6g、3.0当量)および臭化アリル(4.3mL、1.5当量)を添加した。反応混合物を室温で2時間撹拌し、さらに一晩加熱還流した。室温に冷却した後、溶液を濾過し、アセトンで洗浄し、真空中で濃縮して、4−(アリロキシ)ベンズアルデヒドを得た。
70mLのエタノールを250mL三つ口フラスコに添加し、続いて5mLのアンモニアを添加した。混合物を50℃に加熱しながらゆっくり撹拌した。3mLのTEOSとともに、30mLのエタノールに溶解させた計算量の官能化有機発光化合物1を、反応フラスコの中に添加した。得られた混合物を、50℃で3時間撹拌した。2mLのTEOSおよび305μLのTBOTを、18mLのイソプロパノール中に溶解させ、次に、蠕動ポンプによって180分間反応フラスコの中に滴下し、50℃で一晩撹拌し続けた。2.7mLのメチルトリエトキシシランを反応フラスコの中に添加し、50℃で4〜5時間撹拌し続けた。得られたコロイド懸濁液を、遠心分離器を介して集め、エタノールで3回洗浄した。得られたナノ粒子(第1のナノ粒子)を、粒径分布分析に対しては動的光散乱法(DLS:Dynamic Light Scattering、Malvern Zetasizer Nano)によって、粒子形態および粒径分析に対しては走査型透過電子顕微鏡(STEM:Scanning Transmission Electron Microscopy、Nova(商標) NanoSEM 630)によって評価した。結果を表1および図3に示す。
(1)官能化有機発光化合物2の合成
N,N’−ビス(2,6−ジイソプロピルフェニル)−1,6,7,12−テトラクロロペリレン−3,4:9,10−テトラカルボン酸ジイミド(1.50g、1.76mmol)を、N−メチル−ピロリドン(50mL)中2−アリル−フェノール(1.42g、10.58mmol)およびK2CO3(1.46g、10.58mmol)で処理した。反応混合物を、16時間、N2下の80℃で加熱し、次に、室温に冷却し、希釈塩酸(100mL)を添加した。沈殿物が形成され、濾別し、水で中性pHになるまで洗浄し、真空下で乾燥した。次に、粗生成物を、ジクロロメタン/石油エーテル(1:1)溶媒混合物を用いるシリカゲルでのカラムクロマトグラフィーにより精製した。純粋な紫色固体が乾燥後に得られた(1.15g、53%収率)。
70mLのエタノールを250mL三つ口フラスコに添加し、続いて5mLのアンモニアを添加した。混合物を50℃に加熱しながらゆっくり撹拌した。3mLのTEOSとともに30mLのエタノールに溶解させた計算量の官能化有機発光化合物2を反応フラスコの中に添加した。得られた混合物を50℃で3時間撹拌した。2mLのTEOSおよび305μLのTBOTを、18mLのイソプロパノールに溶解させ、次に、蠕動ポンプによって180分間反応フラスコに滴下し、50℃で一晩撹拌し続けた。2.7mLのメチルトリエトキシシランを反応フラスコの中に添加し、50℃で4〜5時間撹拌し続けた。得られたコロイド懸濁液を、遠心分離器を介して集め、エタノールで3回洗浄した。得られたナノ粒子(第2のナノ粒子)を、粒子形態および粒径分析に対してSTEM(NOVA(商標)NanoSEM 630)によって特徴付け、STEM画像を図4に示す。
保存安定性試験を、1)各ナノ粒子−PMMAフィルム試料を4つの片に切断し、それらを湿度チャンバに置く段階と、2)チャンバを、90%の相対湿度(RH:Relative Humidity)、60℃に設定する段階と、3)100時間ごとに、試料片を採取し、フォトルミネセンス試験を行う段階と、を経て実施した。試料のフォトルミネッセンススペクトルのピーク強度を、分光蛍光光度計(HORIBA FluoroMax−4)を用いて経時で追跡した。
光源として、1450〜1500Cd/m2の光強度の青色バックライトユニットを使用した。ナノ粒子−PMMAフィルムを、外気中での連続照射のために青色バックライトユニットの前に置いた。分光蛍光光度計(HORIBA FluoroMax−4)を用いて、フォトルミネッセンススペクトルのピーク強度を経時で追跡した。初期強度対照射時間の保持の結果を表2に示す。
Claims (18)
- 発光装置であって、
青色光を発するバックライトユニットと、
前記バックライトユニットから前記青色光を受ける色変換アレイと、を備え、
前記色変換アレイが、緑色変換層および赤色変換層を備え、
前記緑色変換層および前記赤色変換層のうちの少なくとも1つが、緑色光または赤色光をそれぞれ発する第1または第2のナノ粒子を含み、前記第1または第2のナノ粒子が、カプセル化有機発光化合物であり、前記有機発光化合物が、430〜500nmのスペクトル領域において少なくとも1000M−1cm−1の吸収を有し、かつ100nm未満の発光帯の半値全幅を見せ、
前記色変換アレイは、少なくとも赤色光、緑色光、および青色光が、前記発光装置によって発せられて、赤色、緑色、および青色の成分を含む色を生成するように、前記バックライトユニットの前記青色光の少なくとも一部が通過することを可能にする、発光装置。 - 前記色変換アレイが、前記第1のナノ粒子を含む緑色変換層と、前記第2のナノ粒子を含む赤色変換層と、を備え、
前記色変換アレイは、前記赤色光、緑色光、および青色光が、前記発光装置によって発せられて、赤色、緑色、および青色の成分を有する色を生成するように、前記バックライトユニットの前記青色光の少なくとも一部が通過することを可能にする、請求項1に記載の発光装置。 - 前記第1および第2のナノ粒子がそれぞれ、前記有機発光化合物に由来する発光団と共有結合しているシリカ含有核と、前記核を少なくとも部分的にカプセル化する殻と、を備える、請求項1または2に記載の発光装置。
- 前記第1および第2のナノ粒子が、それぞれ独立して、
官能化有機発光化合物と第1の前駆体との反応生成物を含む核であって、前記官能化有機発光化合物がD−L−SiX3の構造を有し、式中、Dが発光団であり、Lが直接結合または有機基であり、Xが加水分解性置換基であり、第1の前駆体が、(a)SiX1 4の構造を有する第1の有機シラン化合物、(b)MX1 3もしくはMX1 4の構造を有する第1の有機金属化合物、またはそれらの混合物から選択され、式中、各X1が、独立して、加水分解性置換基であり、MがAl、Zr、Ti、またはそれらの組み合わせから選択される、核と、
第2の前駆体の反応生成物を含む殻であって、前記第2の前駆体が、(a)SiX2 4の構造を有する第2の有機シラン化合物、(b)MX2 3もしくはMX2 4の構造を有する第2の有機金属化合物、またはそれらの混合物から選択され、式中、各X2が、独立して、加水分解性置換基であり、Mが、Al、Zr、Ti、またはそれらの組み合わせから選択される、殻と、を備える、請求項3に記載の発光装置。 - 前記第2の前駆体が、前記第2の有機シラン化合物と前記第2の有機金属化合物との混合物であり、前記第2の有機シラン化合物の前記第2の有機金属化合物に対するモル比が、1:1〜100:1である、請求項4に記載の発光装置。
- 前記第1および第2のナノ粒子が、それぞれ独立して、
官能化有機発光化合物と第1の前駆体との反応生成物を含む核であって、前記官能化有機発光化合物が、D−L−SiX3の構造を有し、式中、Dが発光団であり、Lが直接結合または有機基であり、Xが加水分解性置換基であり、前記第1の前駆体が、SiX1 4の構造を有する第1の有機シラン化合物から選択され、式中、各X1が、独立して、加水分解性置換基である、核と、
第2の前駆体の反応生成物を含む殻であって、前記第2の前駆体が、(a)SiX2 4の構造を有する第2の有機シラン化合物から選択され、式中、各X2が、独立して、加水分解性置換基である、殻と、を備える、請求項3に記載の発光装置。 - 前記第1および第2のナノ粒子が、
(i)官能化有機発光化合物を提供することであって、前記官能化有機発光化合物がD−L−SiX3の構造を有し、式中、Dが発光団であり、Lが直接結合または有機基であり、Xが加水分解性置換基である、提供することと、
(ii)第1の前駆体を添加することであって、前記第1の前駆体が、SiX1 4の構造を有する第1の有機シラン化合物、MX1 3もしくはMX1 4の構造を有する第1の有機金属化合物、またはそれらの混合物から選択され、式中、各X1が、独立して、加水分解性置換基であり、Mが、Al、Zr、Ti、またはそれらの組み合わせから選択される、添加することと、
(iii)第2の前駆体を添加することであって、前記第2の前駆体が、(a)SiX2 4の構造を有する第2の有機シラン化合物、(b)MX2 3もしくはMX2 4の構造を有する第2の有機金属化合物、またはそれらの混合物から選択され、式中、各X2が、独立して、加水分解性置換基であり、Mが、Al、Zr、Ti、またはそれらの組み合わせから選択される、添加することと、を含む、プロセスによって、それぞれ独立して調製されて、このようにして前記ナノ粒子を得る、請求項1または2に記載の発光装置。 - 前記プロセスが、
(iv)R1 mSi(R2)4−mの構造を有する表面改質剤を添加することであって、式中、R1が、C1−C20置換もしくは非置換のアルキル、C2−C20置換もしくは非置換のアルケニル、またはC6−C24置換もしくは非置換のアリール基から選択され、R2が加水分解性基であり、mが1〜3の整数である、添加すること、をさらに含む、請求項7に記載の発光装置。 - 前記第1のナノ粒子が、カプセル化有機発光化合物を含み、前記有機発光化合物が、以下の式(I)の構造を有し、
X1が、NまたはCR17であり、R17が、H、ハロゲン、−CN、−CF3、置換もしくは非置換のC1−C24アルキル、置換もしくは非置換のC2−C24アルケニル、置換もしくは非置換のC2−C24アルキニル、置換もしくは非置換のC1−C24アルコキシ、置換もしくは非置換のC3−C20環基もしくは複素環基、置換もしくは非置換のC6−C20芳香族基、置換もしくは非置換のC5−C20複素芳香族基、エーテル、エステル、カルボン酸、−OH、アミド、アミン、またはスルフィドから選択され、
X2およびX3が、ハロゲン、置換もしくは非置換のC1−C24アルキル、置換もしくは非置換のC2−C24アルケニル、置換もしくは非置換のC2−C24アルキン、置換または非置換のC3−C20環基もしくは複素環基、C6−C20置換もしくは非置換の芳香族基、置換もしくは非置換のC5−C20複素芳香族基、または置換もしくは非置換のC1−C24アルコキシから、それぞれ独立して選択され、X2およびX3が、ともに結合して、単一の置換基を形成してもよい、請求項1または2に記載の発光装置。 - 前記第1のナノ粒子を調製するための前記有機発光化合物が、以下の式(II)の構造を有し、
- 前記第2のナノ粒子が、カプセル化有機発光化合物を含み、前記有機発光化合物が、ペリレンジイミド、ホウ素−ジピロメテン、ジケトピロロピロール、4−ジシアノメチレン−2−t−ブチル−6−1,1,7,7−テトラメチルジュロリジル−9−エニル−4H−ピラン、クマリン、ローダミン、フルオレセイン、およびシアニンから選択される、請求項1または2に記載の発光装置。
- 前記第1および第2のナノ粒子が、それぞれ独立して、10〜2000nmの範囲の粒径を有する、請求項1または2に記載の発光装置。
- 前記バックライトユニットからの光の波長が、430〜500nmである、請求項1または2に記載の発光装置。
- 前記色変換アレイが、前記バックライトユニットから離して前記赤色変換層および/または前記緑色変換層の上に置かれた、1つまたは1つよりも多い青色光吸収材料を備える、1つ以上の青色遮光層をさらに備える、請求項1または2に記載の発光装置。
- 前記赤色変換層が、有機赤色発光化合物、無機蛍光体、量子ドット、またはこれらの混合物をさらに含む、請求項1または2に記載の発光装置。
- 前記緑色変換層が、有機緑色発光化合物、無機蛍光体、量子ドット、またはこれらの混合物をさらに含む、請求項1または2に記載の発光装置。
- 請求項1〜16のいずれか一項に記載の発光装置を備える、電子デバイス。
- 前記電子デバイスが、LCDディスプレイ、LEDディスプレイ、またはOLEDディスプレイから選択される、請求項17に記載の電子デバイス。
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