JP2018503940A - 透明拡散性oled基材及び該基材の製造方法 - Google Patents
透明拡散性oled基材及び該基材の製造方法 Download PDFInfo
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- 239000000758 substrate Substances 0.000 title claims abstract description 74
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 6
- 239000011521 glass Substances 0.000 claims abstract description 83
- 210000003298 dental enamel Anatomy 0.000 claims abstract description 81
- 239000011148 porous material Substances 0.000 claims abstract description 46
- 150000004706 metal oxides Chemical class 0.000 claims abstract description 41
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract description 40
- 238000010304 firing Methods 0.000 claims abstract description 24
- 239000011248 coating agent Substances 0.000 claims abstract description 17
- 238000000576 coating method Methods 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims description 23
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 8
- 229910015902 Bi 2 O 3 Inorganic materials 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 229910005191 Ga 2 O 3 Inorganic materials 0.000 claims description 3
- 229910006404 SnO 2 Inorganic materials 0.000 claims description 3
- GEIAQOFPUVMAGM-UHFFFAOYSA-N ZrO Inorganic materials [Zr]=O GEIAQOFPUVMAGM-UHFFFAOYSA-N 0.000 claims description 3
- 239000002023 wood Substances 0.000 claims 1
- WMWLMWRWZQELOS-UHFFFAOYSA-N bismuth(iii) oxide Chemical compound O=[Bi]O[Bi]=O WMWLMWRWZQELOS-UHFFFAOYSA-N 0.000 abstract 2
- 239000010410 layer Substances 0.000 description 112
- 238000002844 melting Methods 0.000 description 10
- 230000008018 melting Effects 0.000 description 10
- 238000000605 extraction Methods 0.000 description 9
- 239000012044 organic layer Substances 0.000 description 8
- 239000002245 particle Substances 0.000 description 8
- 230000007547 defect Effects 0.000 description 7
- 239000011159 matrix material Substances 0.000 description 7
- 238000000149 argon plasma sintering Methods 0.000 description 6
- 239000007787 solid Substances 0.000 description 4
- 239000001856 Ethyl cellulose Substances 0.000 description 3
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 description 3
- -1 TiO 2 Chemical class 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000000975 dye Substances 0.000 description 3
- 229920001249 ethyl cellulose Polymers 0.000 description 3
- 235000019325 ethyl cellulose Nutrition 0.000 description 3
- 238000001755 magnetron sputter deposition Methods 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000000231 atomic layer deposition Methods 0.000 description 2
- 210000004027 cell Anatomy 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000007650 screen-printing Methods 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 239000005361 soda-lime glass Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 229910021488 crystalline silicon dioxide Inorganic materials 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000002320 enamel (paints) Substances 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000010191 image analysis Methods 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 239000006060 molten glass Substances 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000007764 slot die coating Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
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Abstract
Description
(a)屈折率(λ=550nmにおける)が1.45と1.65の間であるガラス基材を用意する工程。
(b)屈折率(λ=550nmにおける)が少なくとも1.7であるガラスフリットを前記ガラス基材上にコーティングする工程。
(c)前記フリットをコーティングしたガラス基材を前記ガラスフリットのリトルトン温度より高い温度で焼成し、それにより第一の高屈折率エナメル層を形成する工程。
(d)前記第一の高屈折率エナメル層の上に金属酸化物層をコーティングする工程。
(e)得られたコーティングしたガラス基材を前記ガラスフリットのリトルトン温度より高い温度で焼成し、それにより前記金属酸化物を下層の第一の高屈折率エナメル層と反応させて、複数の球状の気孔が空気との界面近くの上方部分に埋め込まれた第二の高屈折率エナメル層を形成する工程。
(i)屈折率が1.45と1.65の間であるガラス基材、
(ii)屈折率(550nmにおける)が少なくとも1.7である高屈折率ガラスエナメル層、
を含む積層基材であって、複数の球状の気孔が高屈折率エナメル層中にその表面近くで埋め込まれており、球状の気孔の少なくとも95%、好ましくは少なくとも99%、そしてより好ましくは本質的にすべてが、エナメル層の半分の厚さよりも有意に小さい直径を有し、そして空気との界面に近い高屈折率エナメル層の上方半分にあることを特徴とする積層基材である。
Bi2O3: 55〜75wt%
BaO: 0〜20wt%
ZnO: 0〜20wt%
Al2O3: 1〜7wt%
SiO2: 5〜15wt%
B2O3: 5〜20wt%
Na2O: 0.1〜1wt%
CeO2: 0〜0.1wt%
Claims (12)
- 発光デバイスのための積層基材を作製するための方法であって、少なくとも下記の工程、すなわち、
(a)550nmにおける屈折率が1.45と1.65の間であるガラス基材(1)を用意する工程、
(b)550nmにおける屈折率が少なくとも1.7であり、少なくとも30wt%のBi2O3を含むガラスフリット(3)を、前記ガラス基材(1)の上にコーティングする工程、
(c)得られたフリットをコーティングしたガラス基材を、前記ガラスフリットのリトルトン温度より高い温度で焼成して、第一の高屈折率エナメル層(4)を形成する工程、
(d)前記第一の高屈折率エナメル層の上に金属酸化物層(2)をコーティングする工程、及び、
(e)得られたコーティングしたガラス基材を前記ガラスフリットのリトルトン温度より高く、530℃と620℃の間に含まれる温度で焼成して、前記金属酸化物(2)を下層の第一の高屈折率エナメル層(4)と反応させ、そして複数の球状の気孔(6)が空気との界面近くの上方部分に埋め込まれた第二の高屈折率エナメル層(5)を形成する工程、
を含む、発光デバイスのための積層基材の作製方法。 - 前記金属酸化物層の厚さが5nmと60nmの間、好ましくは10nmと40nmの間、より好ましくは15nmと30nmの間である、請求項1記載の方法。
- 前記金属酸化物を、TiO2、Al2O3、ZrO2、Nb2O5、HfO2、Ta2O5、WO3、Ga2O3、In2O3及びSnO2、並びにそれらの混合物からなる群より選ぶ、請求項1又は2記載の方法。
- 前記ガラスフリットの屈折率が1.70と2.20の間、好ましくは1.80と2.10の間に含まれる、請求項1〜3のいずれか1つに記載の方法。
- 前記ガラスフリットが少なくとも50wt%、好ましくは少なくとも60wt%のBi2O3を含む、請求項1〜4のいずれか1つに記載の方法。
- 焼成工程(c)及び(e)を540℃と600℃の間に含まれる温度で行う、請求項1〜5のいずれか1つに記載の方法。
- (f)前記第二の高屈折率エナメル層(5)の上に透明導電性層(TCL)(8)をコーティングすること、
をさらに含む、請求項1〜6のいずれか1つに記載の方法。 - (i)屈折率が1.45と1.65の間であるガラス基材(1)、
(ii)550nmにおける屈折率が少なくとも1.7であり、少なくとも30wt%のBi2O3を含む、高屈折率ガラスエナメル層(5)、
を含む、請求項1〜7のいずれか1つに記載の方法により得ることができる積層基材であって、
高屈折率エナメル層(5)の表面付近に複数の球状の気孔(6)が埋め込まれており、前記球状の気孔の少なくとも95%、好ましくは少なくとも99%、より好ましくは本質的にすべてが、高屈折率エナメル層(5)の半分の厚さよりも有意に小さい直径を有し、かつ空気との界面(7)に近い高屈折率エナメル層の上半分に位置していることを特徴とする、積層基材。 - 前記球状の気孔が、0.2μmと8μmの間、好ましくは0.4μmと4μmの間、より好ましくは0.5μmと3μmの間の平均相当球径を有する、請求項8記載の積層基材。
- 第二の高屈折率エナメル層(5)の厚さが3μmと25μmの間、好ましくは4μmと20μmの間、より好ましくは5μmと15μmの間に含まれる、請求項8又は9記載の積層基材。
- (iii)高屈折率エナメル層(5)上の透明導電性層(8)、
をさらに含む、請求項8〜10のいずれか1つに記載の積層基材。 - 前記球状の気孔が金属酸化物により事前に覆われた領域の表面の少なくとも20%かつ該表面の80%以下を占める、請求項8〜11のいずれか1つに記載の積層基材。
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EP14195677.1 | 2014-12-01 | ||
PCT/EP2015/077393 WO2016087252A1 (en) | 2014-12-01 | 2015-11-23 | Transparent diffusive oled substrate and method for producing such a substrate |
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WO2013187735A1 (en) * | 2012-06-14 | 2013-12-19 | Saint-Gobain Glass France | Layered structure for oled device, method for manufacturing the same, and oled device having the same |
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