JP6016064B2 - 高屈折率ガラス - Google Patents
高屈折率ガラス Download PDFInfo
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- JP6016064B2 JP6016064B2 JP2012106505A JP2012106505A JP6016064B2 JP 6016064 B2 JP6016064 B2 JP 6016064B2 JP 2012106505 A JP2012106505 A JP 2012106505A JP 2012106505 A JP2012106505 A JP 2012106505A JP 6016064 B2 JP6016064 B2 JP 6016064B2
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- Prior art keywords
- glass
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- refractive index
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- high refractive
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- 239000011521 glass Substances 0.000 title claims description 152
- 239000000203 mixture Substances 0.000 claims description 27
- 229910018068 Li 2 O Inorganic materials 0.000 claims description 19
- 239000007791 liquid phase Substances 0.000 claims description 19
- 229910021193 La 2 O 3 Inorganic materials 0.000 claims description 15
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 claims description 13
- 238000003280 down draw process Methods 0.000 claims description 11
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 9
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 9
- 238000006124 Pilkington process Methods 0.000 claims description 7
- 230000003746 surface roughness Effects 0.000 claims description 7
- 229910004116 SrO 2 Inorganic materials 0.000 claims description 3
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 230000007423 decrease Effects 0.000 description 40
- 238000000034 method Methods 0.000 description 29
- 238000004031 devitrification Methods 0.000 description 23
- 239000002253 acid Substances 0.000 description 18
- 239000011734 sodium Substances 0.000 description 17
- 239000010408 film Substances 0.000 description 15
- 230000001771 impaired effect Effects 0.000 description 10
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 10
- 239000002994 raw material Substances 0.000 description 10
- 229910044991 metal oxide Inorganic materials 0.000 description 9
- 150000004706 metal oxides Chemical class 0.000 description 9
- 238000005530 etching Methods 0.000 description 8
- 238000000465 moulding Methods 0.000 description 8
- 238000007500 overflow downdraw method Methods 0.000 description 8
- 239000006060 molten glass Substances 0.000 description 7
- 229910006404 SnO 2 Inorganic materials 0.000 description 6
- 230000003628 erosive effect Effects 0.000 description 6
- 238000007788 roughening Methods 0.000 description 6
- 239000000758 substrate Substances 0.000 description 6
- 239000003513 alkali Substances 0.000 description 5
- 238000000137 annealing Methods 0.000 description 5
- 238000010828 elution Methods 0.000 description 5
- 229910052697 platinum Inorganic materials 0.000 description 5
- 239000000126 substance Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000006066 glass batch Substances 0.000 description 3
- 239000005304 optical glass Substances 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 239000006025 fining agent Substances 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 238000007088 Archimedes method Methods 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- -1 La 2 O 3 Chemical class 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000006059 cover glass Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007372 rollout process Methods 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 238000004017 vitrification Methods 0.000 description 1
Landscapes
- Electroluminescent Light Sources (AREA)
- Glass Compositions (AREA)
Description
Claims (7)
- ガラス組成として、質量%で、SiO2 35〜60%、B2O3 1〜15%、Al2O3 0〜15%、Li2O 0〜1%、Na2O 0〜1%、K2O 0〜1%、Li2O+Na2O+K2O 0〜1%、CaO 0〜11%、SrO 2〜25%、BaO 0.1〜35%、MgO+CaO+SrO+BaO+ZnO 20〜50%、TiO2 0.0001〜20%、ZrO2 0.0001〜20%、La2O3 0〜2.5%、La2O3+Nb2O5 0〜8%を含有し、屈折率ndが1.55〜2.3であることを特徴とする高屈折率ガラス。
- B2O3を3質量%以上含むことを特徴とする請求項1に記載の高屈折率ガラス。
- MgOを1質量%以上含むことを特徴とする請求項1又は2に記載の高屈折率ガラス。
- 板状であることを特徴とする請求項1乃至3の何れか一項に記載の高屈折率ガラス。
- 液相粘度が103.0dPa・s以上であることを特徴とする請求項1乃至4の何れか一項に記載の高屈折率ガラス。
- 少なくとも一方の面に未研磨の表面を有し、その表面の表面粗さRaが10Å以下であることを特徴とする請求項1乃至5の何れか一項に記載の高屈折率ガラス。
- 請求項1乃至6の何れか一項に記載の高屈折率ガラスの製造方法であって、
フロート法又はダウンドロー法で板状に成形することを特徴とする高屈折率ガラスの製造方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012106505A JP6016064B2 (ja) | 2011-09-02 | 2012-05-08 | 高屈折率ガラス |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011191189 | 2011-09-02 | ||
JP2011191189 | 2011-09-02 | ||
JP2012106505A JP6016064B2 (ja) | 2011-09-02 | 2012-05-08 | 高屈折率ガラス |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013063892A JP2013063892A (ja) | 2013-04-11 |
JP6016064B2 true JP6016064B2 (ja) | 2016-10-26 |
Family
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Family Applications (1)
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---|---|---|---|
JP2012106505A Active JP6016064B2 (ja) | 2011-09-02 | 2012-05-08 | 高屈折率ガラス |
Country Status (1)
Country | Link |
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JP (1) | JP6016064B2 (ja) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI603933B (zh) * | 2013-04-25 | 2017-11-01 | 日本電氣硝子股份有限公司 | 高折射率玻璃、照明裝置、有機電致發光照明以及 有機電致發光顯示器 |
JP6435610B2 (ja) * | 2014-02-13 | 2018-12-12 | 日本電気硝子株式会社 | 高屈折率ガラス |
JP6547995B2 (ja) * | 2013-04-25 | 2019-07-24 | 日本電気硝子株式会社 | 高屈折率ガラス基板 |
JP5911035B2 (ja) | 2014-07-18 | 2016-04-27 | 日東電工株式会社 | 光学表示セルに光学フィルムを貼り付ける方法 |
JP5892563B2 (ja) | 2014-08-01 | 2016-03-23 | 日東電工株式会社 | 可撓性薄膜構造の表示セルの光学検査方法及びその方法に使用される疑似端子ユニット |
JP5911029B2 (ja) | 2014-08-01 | 2016-04-27 | 日東電工株式会社 | 可撓性薄膜構造の表示セルに光学機能フィルムを貼り合わせる方法 |
JP5954549B2 (ja) | 2014-08-01 | 2016-07-20 | 日東電工株式会社 | 可撓性薄膜構造の表示セルを取り扱う方法 |
JP6635314B2 (ja) * | 2014-11-05 | 2020-01-22 | 日本電気硝子株式会社 | ガラス及びガラス板 |
JP2017032673A (ja) * | 2015-07-30 | 2017-02-09 | 日本電気硝子株式会社 | 導光板及びこれを用いた積層導光板 |
JP6792807B2 (ja) * | 2015-09-02 | 2020-12-02 | 日本電気硝子株式会社 | 低光弾性ガラス板 |
DE102016107934B4 (de) | 2016-04-28 | 2023-07-13 | Schott Ag | Verfahren zur Herstellung hochbrechender Dünnglassubstrate |
JP7228135B2 (ja) * | 2018-06-27 | 2023-02-24 | 日本電気硝子株式会社 | ガラス基板積層体の製造方法、ガラス基板、ガラス基板積層体及びヘッドマウントディスプレイ |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS594390B2 (ja) * | 1977-01-27 | 1984-01-30 | 株式会社保谷硝子 | 光学ガラス |
JPS5814376B2 (ja) * | 1978-06-06 | 1983-03-18 | 株式会社保谷硝子 | 光学ガラス |
JPS55151601A (en) * | 1979-05-15 | 1980-11-26 | Minolta Camera Co Ltd | Pentagonal prism for camera finder |
JPS5673646A (en) * | 1979-11-22 | 1981-06-18 | Ohara Inc | Optical glass |
JP2565813B2 (ja) * | 1991-07-05 | 1996-12-18 | 株式会社オハラ | 光学ガラス |
JPH05155638A (ja) * | 1991-12-06 | 1993-06-22 | Nippon Electric Glass Co Ltd | ガラス組成物 |
JP2009286680A (ja) * | 2008-05-30 | 2009-12-10 | Ohara Inc | 光学ガラス、光学素子及び光学機器 |
TWI527783B (zh) * | 2009-07-08 | 2016-04-01 | 日本電氣硝子股份有限公司 | 玻璃板 |
DE102010042945A1 (de) * | 2010-10-26 | 2012-04-26 | Schott Ag | Transparente Schichtverbunde |
JP2012221591A (ja) * | 2011-04-04 | 2012-11-12 | Ohara Inc | 発光素子及び発光素子用基板材料 |
-
2012
- 2012-05-08 JP JP2012106505A patent/JP6016064B2/ja active Active
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JP2013063892A (ja) | 2013-04-11 |
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