JPWO2020031598A1 - 光拡散部材、並びにこれを用いた光拡散構造体及び発光構造体 - Google Patents
光拡散部材、並びにこれを用いた光拡散構造体及び発光構造体 Download PDFInfo
- Publication number
- JPWO2020031598A1 JPWO2020031598A1 JP2020536397A JP2020536397A JPWO2020031598A1 JP WO2020031598 A1 JPWO2020031598 A1 JP WO2020031598A1 JP 2020536397 A JP2020536397 A JP 2020536397A JP 2020536397 A JP2020536397 A JP 2020536397A JP WO2020031598 A1 JPWO2020031598 A1 JP WO2020031598A1
- Authority
- JP
- Japan
- Prior art keywords
- light
- light diffusing
- diffusing member
- less
- rare earth
- 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.)
- Granted
Links
- 239000002245 particle Substances 0.000 claims abstract description 92
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 83
- -1 rare earth compound Chemical class 0.000 claims abstract description 80
- 229920005989 resin Polymers 0.000 claims abstract description 55
- 239000011347 resin Substances 0.000 claims abstract description 55
- 239000011159 matrix material Substances 0.000 claims abstract description 35
- 239000000463 material Substances 0.000 claims abstract description 31
- 229910019142 PO4 Inorganic materials 0.000 claims description 22
- 239000010452 phosphate Substances 0.000 claims description 19
- 238000009792 diffusion process Methods 0.000 claims description 17
- 238000002834 transmittance Methods 0.000 claims description 15
- 230000001186 cumulative effect Effects 0.000 claims description 6
- 229910052727 yttrium Inorganic materials 0.000 claims description 5
- 229910052692 Dysprosium Inorganic materials 0.000 claims description 3
- 229910052693 Europium Inorganic materials 0.000 claims description 3
- 229910052688 Gadolinium Inorganic materials 0.000 claims description 3
- 229910052765 Lutetium Inorganic materials 0.000 claims description 3
- 229910052769 Ytterbium Inorganic materials 0.000 claims description 3
- 229910052746 lanthanum Inorganic materials 0.000 claims description 3
- 229910052684 Cerium Inorganic materials 0.000 claims description 2
- 229910052691 Erbium Inorganic materials 0.000 claims description 2
- 229910052689 Holmium Inorganic materials 0.000 claims description 2
- 229910052779 Neodymium Inorganic materials 0.000 claims description 2
- 229910052777 Praseodymium Inorganic materials 0.000 claims description 2
- 229910052772 Samarium Inorganic materials 0.000 claims description 2
- 229910052771 Terbium Inorganic materials 0.000 claims description 2
- 238000000691 measurement method Methods 0.000 claims description 2
- 229910052706 scandium Inorganic materials 0.000 claims description 2
- 235000021317 phosphate Nutrition 0.000 description 21
- 238000000034 method Methods 0.000 description 16
- 239000007864 aqueous solution Substances 0.000 description 13
- 238000000465 moulding Methods 0.000 description 12
- 230000005540 biological transmission Effects 0.000 description 11
- 239000000047 product Substances 0.000 description 10
- 239000007788 liquid Substances 0.000 description 9
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- 229910000164 yttrium(III) phosphate Inorganic materials 0.000 description 8
- UXBZSSBXGPYSIL-UHFFFAOYSA-K yttrium(iii) phosphate Chemical compound [Y+3].[O-]P([O-])([O-])=O UXBZSSBXGPYSIL-UHFFFAOYSA-K 0.000 description 8
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 238000002156 mixing Methods 0.000 description 7
- 239000007822 coupling agent Substances 0.000 description 6
- 238000011156 evaluation Methods 0.000 description 6
- 239000002244 precipitate Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 229920000139 polyethylene terephthalate Polymers 0.000 description 5
- 239000005020 polyethylene terephthalate Substances 0.000 description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 4
- 229920002125 Sokalan® Polymers 0.000 description 4
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 150000002148 esters Chemical class 0.000 description 4
- 238000010304 firing Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000011164 primary particle Substances 0.000 description 4
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 4
- 229920000178 Acrylic resin Polymers 0.000 description 3
- 239000004925 Acrylic resin Substances 0.000 description 3
- WWZKQHOCKIZLMA-UHFFFAOYSA-N Caprylic acid Natural products CCCCCCCC(O)=O WWZKQHOCKIZLMA-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 230000002708 enhancing effect Effects 0.000 description 3
- 230000001747 exhibiting effect Effects 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 3
- 230000005865 ionizing radiation Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 150000007524 organic acids Chemical class 0.000 description 3
- 229920005668 polycarbonate resin Polymers 0.000 description 3
- 239000004431 polycarbonate resin Substances 0.000 description 3
- 239000003566 sealing material Substances 0.000 description 3
- 229920005992 thermoplastic resin Polymers 0.000 description 3
- 229920001187 thermosetting polymer Polymers 0.000 description 3
- 229920002554 vinyl polymer Polymers 0.000 description 3
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 2
- 229920002284 Cellulose triacetate Polymers 0.000 description 2
- QUSNBJAOOMFDIB-UHFFFAOYSA-N Ethylamine Chemical compound CCN QUSNBJAOOMFDIB-UHFFFAOYSA-N 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- 229920002845 Poly(methacrylic acid) Polymers 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- 239000006087 Silane Coupling Agent Substances 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 description 2
- 238000010306 acid treatment Methods 0.000 description 2
- 229920000180 alkyd Polymers 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- JNDMLEXHDPKVFC-UHFFFAOYSA-N aluminum;oxygen(2-);yttrium(3+) Chemical compound [O-2].[O-2].[O-2].[Al+3].[Y+3] JNDMLEXHDPKVFC-UHFFFAOYSA-N 0.000 description 2
- 239000001099 ammonium carbonate Substances 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- KEMQGTRYUADPNZ-UHFFFAOYSA-N heptadecanoic acid Chemical compound CCCCCCCCCCCCCCCCC(O)=O KEMQGTRYUADPNZ-UHFFFAOYSA-N 0.000 description 2
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 2
- 238000004898 kneading Methods 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- FBUKVWPVBMHYJY-UHFFFAOYSA-N nonanoic acid Chemical compound CCCCCCCCC(O)=O FBUKVWPVBMHYJY-UHFFFAOYSA-N 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 229920001707 polybutylene terephthalate Polymers 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 229920001225 polyester resin Polymers 0.000 description 2
- 239000004645 polyester resin Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920005672 polyolefin resin Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- WGYKZJWCGVVSQN-UHFFFAOYSA-N propylamine Chemical compound CCCN WGYKZJWCGVVSQN-UHFFFAOYSA-N 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229910000077 silane Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 125000000547 substituted alkyl group Chemical group 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 2
- NQPDZGIKBAWPEJ-UHFFFAOYSA-N valeric acid Chemical compound CCCCC(O)=O NQPDZGIKBAWPEJ-UHFFFAOYSA-N 0.000 description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 229910019901 yttrium aluminum garnet Inorganic materials 0.000 description 2
- GYSCBCSGKXNZRH-UHFFFAOYSA-N 1-benzothiophene-2-carboxamide Chemical compound C1=CC=C2SC(C(=O)N)=CC2=C1 GYSCBCSGKXNZRH-UHFFFAOYSA-N 0.000 description 1
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- GHVNFZFCNZKVNT-UHFFFAOYSA-N Decanoic acid Natural products CCCCCCCCCC(O)=O GHVNFZFCNZKVNT-UHFFFAOYSA-N 0.000 description 1
- 239000004594 Masterbatch (MB) Substances 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- TUNFSRHWOTWDNC-UHFFFAOYSA-N Myristic acid Natural products CCCCCCCCCCCCCC(O)=O TUNFSRHWOTWDNC-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 235000021314 Palmitic acid Nutrition 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229920001807 Urea-formaldehyde Polymers 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000004520 agglutination Effects 0.000 description 1
- 230000004931 aggregating effect Effects 0.000 description 1
- 239000012773 agricultural material Substances 0.000 description 1
- OBETXYAYXDNJHR-UHFFFAOYSA-N alpha-ethylcaproic acid Natural products CCCCC(CC)C(O)=O OBETXYAYXDNJHR-UHFFFAOYSA-N 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 235000012538 ammonium bicarbonate Nutrition 0.000 description 1
- 235000012501 ammonium carbonate Nutrition 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 150000007514 bases Chemical class 0.000 description 1
- GONOPSZTUGRENK-UHFFFAOYSA-N benzyl(trichloro)silane Chemical compound Cl[Si](Cl)(Cl)CC1=CC=CC=C1 GONOPSZTUGRENK-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 125000001951 carbamoylamino group Chemical group C(N)(=O)N* 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010908 decantation Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000002223 garnet Substances 0.000 description 1
- 238000007646 gravure printing Methods 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- MNWFXJYAOYHMED-UHFFFAOYSA-N heptanoic acid Chemical compound CCCCCCC(O)=O MNWFXJYAOYHMED-UHFFFAOYSA-N 0.000 description 1
- 238000001027 hydrothermal synthesis Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 229910052809 inorganic oxide Inorganic materials 0.000 description 1
- 229910052816 inorganic phosphate Inorganic materials 0.000 description 1
- 229910052945 inorganic sulfide Inorganic materials 0.000 description 1
- YAQXGBBDJYBXKL-UHFFFAOYSA-N iron(2+);1,10-phenanthroline;dicyanide Chemical compound [Fe+2].N#[C-].N#[C-].C1=CN=C2C3=NC=CC=C3C=CC2=C1.C1=CN=C2C3=NC=CC=C3C=CC2=C1 YAQXGBBDJYBXKL-UHFFFAOYSA-N 0.000 description 1
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 1
- 239000003446 ligand Substances 0.000 description 1
- 125000005641 methacryl group Chemical group 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N n-hexanoic acid Natural products CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000007645 offset printing Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229940085991 phosphate ion Drugs 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 125000005504 styryl group Chemical group 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229910052714 tellurium Inorganic materials 0.000 description 1
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 description 1
- 125000000101 thioether group Chemical group 0.000 description 1
- 125000003396 thiol group Chemical group [H]S* 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- LKOVPWSSZFDYPG-WUKNDPDISA-N trans-octadec-2-enoic acid Chemical compound CCCCCCCCCCCCCCC\C=C\C(O)=O LKOVPWSSZFDYPG-WUKNDPDISA-N 0.000 description 1
- 238000001132 ultrasonic dispersion Methods 0.000 description 1
- 229920006337 unsaturated polyester resin Polymers 0.000 description 1
- 238000003828 vacuum filtration Methods 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
- G02B5/0236—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element
- G02B5/0242—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element by means of dispersed particles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/02—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of crystals, e.g. rock-salt, semi-conductors
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0273—Diffusing elements; Afocal elements characterized by the use
- G02B5/0278—Diffusing elements; Afocal elements characterized by the use used in transmission
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/50—Wavelength conversion elements
- H01L33/501—Wavelength conversion elements characterised by the materials, e.g. binder
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/52—Encapsulations
- H01L33/56—Materials, e.g. epoxy or silicone resin
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Optical Elements Other Than Lenses (AREA)
- Overhead Projectors And Projection Screens (AREA)
- Led Device Packages (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
Description
前記光拡散部材の厚みをT(μm)とし、前記マトリクス樹脂に対する前記粒子の添加量をC(質量%)としたとき、
厚みTと添加量Cとの積が200以上3000以下であり、
厚みTが2μm以上50μm未満のとき、添加量Cが10質量%以上600質量%以下であり、
厚みTが50μm以上3000μm以下のとき、添加量Cが0.1質量%以上60質量%以下である、光拡散部材を提供するものである。
希土類化合物粒子であるリン酸イットリウムの粒子と、マトリクス樹脂であるアクリル樹脂とを用いて、光拡散部材を製造した。
マトリクス樹脂に対する粒子の添加量C、及び光拡散部材の厚みTを以下の表1に示すとおりに変更したほかは、実施例1と同様に製造した。
実施例1で得られたリン酸イットリウムの粒子と、ポリカーボネート樹脂(住化ポリカーボネート社製、301−22)とを、マトリクス樹脂に対する粒子の添加量Cが5質量%となるように予備混合した後、該混合物を押し出し成形して、縦100mm×横100mm、厚みTが75μmのシート状の光拡散部材を作製した。
マトリクス樹脂に対する粒子の添加量C、及び光拡散部材の厚みTを以下の表1に示すとおりに変更したほかは、実施例5と同様に製造した。
リン酸イットリウム粒子について、その粒径D50が0.3μmに、比表面積が8m2/gになるよう製造した。マトリクス樹脂に対する粒子の添加量C、及び光拡散部材の厚みTを以下の表1に示すとおりに変更したほかは、実施例1と同様に製造した。
リン酸イットリウムに代えて、希土類酸化物である酸化イットリウム粒子(日本イットリウム社製:D50:0.3μm、比表面積:10m2/g)を用いた。マトリクス樹脂に対する粒子の添加量C、及び光拡散部材の厚みTを以下の表1に示すとおりに変更したほかは、実施例1と同様に製造した。
ヘーズメーター(日本電色工業株式会社製、NDH2000)を用いて測定した。光透過性は全光線透過率(%)として評価した。また、光透過性及びヘーズの総合評価を以下の基準で評価した。これらの結果を以下の表1に示す。
LED光源として朝日電器社製AS−LC01を用いた。LED光源上1cmの位置に、実施例及び比較例の光拡散部材又は光拡散構造体を配置し、LED光源の発光を高輝度モードにしてホットスポットの有無を確認した。ホットスポットの有無の評価は、LED光源を光拡散部材又は光拡散構造体越しに目視確認した際に、LED光源の輪郭(ホットスポット)がはっきり見えなかったものを「○」とし、該輪郭がはっきり見えたものを「×」とした。評価結果を以下の表1に示す。
<総合評価>
A:全光線透過率が70%以上であり、ヘーズが80%以上であり、且つホットスポットがはっきり見えない。
B:全光線透過率が50%以上であり、且つホットスポットがはっきり見えない。
C:全光線透過率が50%未満であるか、又はホットスポットがはっきり見える。
Claims (9)
- 希土類化合物粒子とマトリクス樹脂とを含んでなる光拡散部材であって、
前記光拡散部材の厚みをT(μm)とし、前記マトリクス樹脂に対する前記粒子の添加量をC(質量%)としたとき、
厚みTと添加量Cとの積が200以上3000以下であり、
厚みTが2μm以上50μm未満のとき、添加量Cが10質量%以上600質量%以下であり、
厚みTが50μm以上3000μm以下のとき、添加量Cが0.1質量%以上60質量%以下である、光拡散部材。 - 前記粒子は、レーザー回折散乱式粒度分布測定法による累積体積50容量%における体積累積粒径D50が、0.1μm以上5μm以下である、請求項1に記載の光拡散部材。
- 全光線透過率が50%以上であり、且つヘーズが50%以上である、請求項1又は2に記載の光拡散部材。
- 前記粒子は、希土類リン酸塩粒子である請求項1ないし3のいずれか一項に記載の光拡散部材。
- 前記粒子は、Ln(PO3)3又はLnPO4で表されてなり、式中のLnは、Sc、Y、La、Ce、Pr、Nd、Sm、Eu、Gd、Tb、Dy、Ho、Er、Yb及びLuからなる群より選ばれる少なくとも一種の元素からなる請求項4に記載の光拡散部材。
- 前記粒子のBET比表面積が、1m2/g以上50m2/g以下である、請求項1ないし5のいずれか一項に記載の光拡散部材。
- 請求項1ないし6のいずれか一項に記載の光拡散部材が基材上に配されてなる光拡散構造体。
- 請求項1ないし6のいずれか一項に記載の光拡散部材及び発光デバイスを備えてなる発光構造体。
- 前記発光デバイスは、発光ダイオードである請求項8に記載の発光構造体。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018148248 | 2018-08-07 | ||
JP2018148248 | 2018-08-07 | ||
PCT/JP2019/027280 WO2020031598A1 (ja) | 2018-08-07 | 2019-07-10 | 光拡散部材、並びにこれを用いた光拡散構造体及び発光構造体 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2020031598A1 true JPWO2020031598A1 (ja) | 2021-03-18 |
JP6975863B2 JP6975863B2 (ja) | 2021-12-01 |
Family
ID=69415503
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020536397A Active JP6975863B2 (ja) | 2018-08-07 | 2019-07-10 | 光拡散部材、並びにこれを用いた光拡散構造体及び発光構造体 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP6975863B2 (ja) |
KR (1) | KR20210040362A (ja) |
WO (1) | WO2020031598A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116390846A (zh) * | 2020-10-20 | 2023-07-04 | 大日本印刷株式会社 | 面发光装置、显示装置、面发光装置用封装部件片和面发光装置的制造方法 |
JP7436893B2 (ja) * | 2021-11-01 | 2024-02-22 | 日亜化学工業株式会社 | 発光装置およびそれに用いる拡散部材 |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1127734A (zh) * | 1995-12-15 | 1996-07-31 | 国家建筑材料工业局人工晶体研究所 | 一种透明多晶尖晶石的制备方法 |
JP2000208815A (ja) * | 1996-07-29 | 2000-07-28 | Nichia Chem Ind Ltd | 発光ダイオ―ド |
JP2003177236A (ja) * | 2001-12-12 | 2003-06-27 | Nitto Denko Corp | 干渉型半透過反射板、およびそれを用いた干渉型半透過反射板付き偏光板、半透過反射液晶基板、ならびに半透過反射液晶表示装置 |
JP2004029648A (ja) * | 2002-06-28 | 2004-01-29 | Takiron Co Ltd | 光拡散シート |
JP2005024942A (ja) * | 2003-07-03 | 2005-01-27 | Kimoto & Co Ltd | 透過型スクリーン |
JP2008003625A (ja) * | 2007-08-10 | 2008-01-10 | Dainippon Printing Co Ltd | 平面膜状拡散層付偏光板および当該偏光板を用いた液晶表示装置 |
WO2010015296A2 (de) * | 2008-08-06 | 2010-02-11 | Carl Zeiss Smt Ag | Transmittierendes optisches element aus magnesium-aluminium-spinell |
JP2016138309A (ja) * | 2015-01-27 | 2016-08-04 | 日本イットリウム株式会社 | 溶射用粉末及び溶射材料 |
WO2017130868A1 (ja) * | 2016-01-25 | 2017-08-03 | 旭硝子株式会社 | 光拡散板 |
WO2018025800A1 (ja) * | 2016-08-02 | 2018-02-08 | 三井金属鉱業株式会社 | 希土類リン酸塩粒子、それを用いた散乱性向上方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106896567B (zh) * | 2017-03-17 | 2019-06-14 | 京东方科技集团股份有限公司 | 一种偏光片及显示装置 |
-
2019
- 2019-07-10 WO PCT/JP2019/027280 patent/WO2020031598A1/ja active Application Filing
- 2019-07-10 JP JP2020536397A patent/JP6975863B2/ja active Active
- 2019-07-10 KR KR1020217001917A patent/KR20210040362A/ko not_active Application Discontinuation
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1127734A (zh) * | 1995-12-15 | 1996-07-31 | 国家建筑材料工业局人工晶体研究所 | 一种透明多晶尖晶石的制备方法 |
JP2000208815A (ja) * | 1996-07-29 | 2000-07-28 | Nichia Chem Ind Ltd | 発光ダイオ―ド |
JP2003177236A (ja) * | 2001-12-12 | 2003-06-27 | Nitto Denko Corp | 干渉型半透過反射板、およびそれを用いた干渉型半透過反射板付き偏光板、半透過反射液晶基板、ならびに半透過反射液晶表示装置 |
JP2004029648A (ja) * | 2002-06-28 | 2004-01-29 | Takiron Co Ltd | 光拡散シート |
JP2005024942A (ja) * | 2003-07-03 | 2005-01-27 | Kimoto & Co Ltd | 透過型スクリーン |
JP2008003625A (ja) * | 2007-08-10 | 2008-01-10 | Dainippon Printing Co Ltd | 平面膜状拡散層付偏光板および当該偏光板を用いた液晶表示装置 |
WO2010015296A2 (de) * | 2008-08-06 | 2010-02-11 | Carl Zeiss Smt Ag | Transmittierendes optisches element aus magnesium-aluminium-spinell |
JP2016138309A (ja) * | 2015-01-27 | 2016-08-04 | 日本イットリウム株式会社 | 溶射用粉末及び溶射材料 |
WO2017130868A1 (ja) * | 2016-01-25 | 2017-08-03 | 旭硝子株式会社 | 光拡散板 |
WO2018025800A1 (ja) * | 2016-08-02 | 2018-02-08 | 三井金属鉱業株式会社 | 希土類リン酸塩粒子、それを用いた散乱性向上方法 |
JP6605148B2 (ja) * | 2016-08-02 | 2019-11-13 | 三井金属鉱業株式会社 | 希土類リン酸塩粒子、それを用いた散乱性向上方法 |
Also Published As
Publication number | Publication date |
---|---|
WO2020031598A1 (ja) | 2020-02-13 |
TW202017857A (zh) | 2020-05-16 |
JP6975863B2 (ja) | 2021-12-01 |
KR20210040362A (ko) | 2021-04-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
TWI504723B (zh) | 螢光體、led發光元件及光源裝置 | |
JP6376225B2 (ja) | 波長変換部材及び発光装置 | |
TW201922622A (zh) | 表面處理紅外線吸收微粒子、表面處理紅外線吸收微粒子粉末、使用該表面處理紅外線吸收微粒子之紅外線吸收微粒子分散液、紅外線吸收微粒子分散體及該等之製造方法 | |
JP6975863B2 (ja) | 光拡散部材、並びにこれを用いた光拡散構造体及び発光構造体 | |
TW201631226A (zh) | 熱射線屏蔽粒子、熱射線屏蔽粒子分散液、熱射線屏蔽粒子分散體、熱射線屏蔽粒子分散體層合透明基材、紅外線吸收透明基材、熱射線屏蔽粒子之製造方法 | |
CN104459845A (zh) | 一种量子点光扩散膜 | |
KR20160041712A (ko) | 황색 형광체를 포함하는 확산시트 | |
Lai et al. | High-efficiency robust free-standing composited phosphor films with 2D and 3D nanostructures for high-power remote white LEDs | |
WO2017119394A1 (ja) | ホウ化物粒子、ホウ化物粒子分散液、赤外線遮蔽透明基材、赤外線遮蔽光学部材、赤外線遮蔽粒子分散体、赤外線遮蔽合わせ透明基材、赤外線遮蔽粒子分散粉、及びマスターバッチ | |
TWI847990B (zh) | 光擴散構件、以及使用其之光擴散結構體及發光結構體 | |
US20180282175A1 (en) | Infrared absorbing fine particles, dispersion liquid using the same, dispersion body, laminated transparent base material, film, glass, and method for producing the same | |
TWI782156B (zh) | 粒子混合體、使用其之光散射性提升方法、以及含有其之光散射構件及光學裝置 | |
JP6301576B2 (ja) | 光拡散透過シート | |
KR20160094885A (ko) | 색변환 필름 및 이를 포함하는 백라이트 유닛 | |
JP7050814B2 (ja) | 希土類リン酸塩粒子、それを用いた光散乱性向上方法、並びにそれを含む光散乱部材及び光学デバイス | |
JP6533879B2 (ja) | 光散乱シート | |
JP2022118573A (ja) | 電磁波吸収粒子、電磁波吸収粒子分散液、電磁波吸収粒子分散体、電磁波吸収積層体 | |
JP2022118574A (ja) | 電磁波吸収粒子、電磁波吸収粒子分散液、電磁波吸収粒子分散体、電磁波吸収積層体 | |
JP2022118577A (ja) | 電磁波吸収粒子、電磁波吸収粒子分散液、電磁波吸収粒子分散体、電磁波吸収積層体 | |
JP2022118576A (ja) | 電磁波吸収粒子、電磁波吸収粒子分散液、電磁波吸収粒子分散体、電磁波吸収積層体 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20201106 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20201106 |
|
A871 | Explanation of circumstances concerning accelerated examination |
Free format text: JAPANESE INTERMEDIATE CODE: A871 Effective date: 20201106 |
|
A975 | Report on accelerated examination |
Free format text: JAPANESE INTERMEDIATE CODE: A971005 Effective date: 20201209 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20210202 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20210323 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20210608 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20210802 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20211026 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20211108 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6975863 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |