JP2017032673A - 導光板及びこれを用いた積層導光板 - Google Patents
導光板及びこれを用いた積層導光板 Download PDFInfo
- Publication number
- JP2017032673A JP2017032673A JP2015150304A JP2015150304A JP2017032673A JP 2017032673 A JP2017032673 A JP 2017032673A JP 2015150304 A JP2015150304 A JP 2015150304A JP 2015150304 A JP2015150304 A JP 2015150304A JP 2017032673 A JP2017032673 A JP 2017032673A
- Authority
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- Prior art keywords
- light guide
- guide plate
- glass plate
- less
- glass
- 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.)
- Pending
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- 239000011521 glass Substances 0.000 claims abstract description 142
- 230000003287 optical effect Effects 0.000 claims description 13
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 12
- 238000002834 transmittance Methods 0.000 claims description 12
- 229910021193 La 2 O 3 Inorganic materials 0.000 claims description 11
- 230000003746 surface roughness Effects 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 9
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 8
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 2
- 230000007423 decrease Effects 0.000 description 27
- 239000007791 liquid phase Substances 0.000 description 16
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 14
- 238000000034 method Methods 0.000 description 13
- 229910052697 platinum Inorganic materials 0.000 description 7
- 238000004031 devitrification Methods 0.000 description 6
- 238000000465 moulding Methods 0.000 description 5
- 239000004925 Acrylic resin Substances 0.000 description 4
- 229920000178 Acrylic resin Polymers 0.000 description 4
- 238000007500 overflow downdraw method Methods 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- 229910018068 Li 2 O Inorganic materials 0.000 description 3
- 229910006404 SnO 2 Inorganic materials 0.000 description 3
- 238000000137 annealing Methods 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 210000003128 head Anatomy 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000007088 Archimedes method Methods 0.000 description 2
- 238000006124 Pilkington process Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 229910015902 Bi 2 O 3 Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 229910003439 heavy metal oxide Inorganic materials 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000006060 molten glass Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 1
- 210000001525 retina Anatomy 0.000 description 1
- 238000007372 rollout process Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000004017 vitrification Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0065—Manufacturing aspects; Material aspects
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/062—Glass compositions containing silica with less than 40% silica by weight
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/078—Glass compositions containing silica with 40% to 90% silica, by weight containing an oxide of a divalent metal, e.g. an oxide of zinc
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/083—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound
- C03C3/085—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/083—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound
- C03C3/085—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
- C03C3/087—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
-
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/02—Viewing or reading apparatus
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0016—Grooves, prisms, gratings, scattering particles or rough surfaces
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
- G02B6/0031—Reflecting element, sheet or layer
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0075—Arrangements of multiple light guides
- G02B6/0076—Stacked arrangements of multiple light guides of the same or different cross-sectional area
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Glass Compositions (AREA)
- Liquid Crystal (AREA)
Abstract
Description
10 ガラス板
11 ハーフミラー部
12 ガラス板の端面
13 入射部材
14 反射ミラー部
15 光源
Claims (14)
- ガラス板を備える導光板であって、
ガラス板の屈折率ndが1.56以上であり、且つガラス板の板厚が1.0mm以下であることを特徴とする導光板。 - ガラス板の端面の算術表面粗さRaが1μm以下であることを特徴とする請求項1に記載の導光板。
- ガラス板の両表面と端面とがなす交差角度がそれぞれ90°±3°以内であることを特徴とする請求項1又は2に記載の導光板。
- ガラス板の光路長10mm、波長550nmにおける内部透過率が80%以上であることを特徴とする請求項1〜3の何れかに記載の導光板。
- ガラス板が、ガラス組成として、質量%で、SiO2 10〜60%、Al2O3 0〜8%、BaO 10〜40%、TiO2+La2O3 3〜30%を含有し、且つ液相粘度が104.0dPa・s以上であることを特徴とする請求項1〜4の何れかに記載の導光板。
- ガラス板中のFe2O3の含有量が0.05質量%以下であることを特徴とする請求項1〜5の何れかに記載の導光板。
- ガラス板中のCr2O3の含有量が0.0005質量%以下であることを特徴とする請求項1〜6の何れかに記載の導光板。
- ガラス板のうねりが0.1μm以下であることを特徴とする請求項1〜7の何れかに記載の導光板。
- ガラス板の少なくとも一つの表面の算術表面粗さRaが0.5nm未満であることを特徴とする請求項1〜8の何れかに記載の導光板。
- ガラス板の少なくとも一つの表面の鉛筆硬度が3H以上であることを特徴とする請求項1〜9の何れかに記載の導光板。
- ガラス板が曲面を有し、その曲率半径が200mm以上であることを特徴とする請求項1〜10の何れかに記載の導光板。
- ガラス板の端面から30mm以内の位置に映像信号を入射させるための入射部材を更に備えることを特徴とする請求項1〜11の何れかに記載の導光板。
- ヘッドマウントディスプレイ用部材に用いることを特徴とする請求項1〜12の何れかに記載の導光板。
- 導光板を複数枚積層させた積層導光板であって、
導光板が、請求項1〜13の何れかに記載の導光板であることを特徴とする積層導光板。
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015150304A JP2017032673A (ja) | 2015-07-30 | 2015-07-30 | 導光板及びこれを用いた積層導光板 |
| PCT/JP2016/071715 WO2017018375A1 (ja) | 2015-07-30 | 2016-07-25 | 導光板及びこれを用いた積層導光板 |
| EP16830480.6A EP3330754B1 (en) | 2015-07-30 | 2016-07-25 | Light guiding panel and laminated light guiding panel using same |
| CN201680044372.1A CN107850725B (zh) | 2015-07-30 | 2016-07-25 | 导光板和使用了其的层叠导光板 |
| KR1020237020549A KR20230093371A (ko) | 2015-07-30 | 2016-07-25 | 도광판 및 이것을 사용한 적층 도광판 |
| KR1020187005727A KR102547043B1 (ko) | 2015-07-30 | 2016-07-25 | 도광판 및 이것을 사용한 적층 도광판 |
| US15/748,271 US20180217317A1 (en) | 2015-07-30 | 2016-07-25 | Light guiding panel and laminated light guiding panel using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015150304A JP2017032673A (ja) | 2015-07-30 | 2015-07-30 | 導光板及びこれを用いた積層導光板 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2017032673A true JP2017032673A (ja) | 2017-02-09 |
Family
ID=57884850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2015150304A Pending JP2017032673A (ja) | 2015-07-30 | 2015-07-30 | 導光板及びこれを用いた積層導光板 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20180217317A1 (ja) |
| EP (1) | EP3330754B1 (ja) |
| JP (1) | JP2017032673A (ja) |
| KR (2) | KR20230093371A (ja) |
| CN (1) | CN107850725B (ja) |
| WO (1) | WO2017018375A1 (ja) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018235725A1 (ja) | 2017-06-23 | 2018-12-27 | Agc株式会社 | 光学ガラスおよび光学部品 |
| JP2019020723A (ja) * | 2017-07-12 | 2019-02-07 | Hoya Candeo Optronics株式会社 | 導光板、画像表示装置 |
| WO2019163491A1 (ja) * | 2018-02-20 | 2019-08-29 | 日本電気硝子株式会社 | ガラス |
| WO2020090051A1 (ja) * | 2018-10-31 | 2020-05-07 | Agc株式会社 | 導光板用光学材料及び導光板 |
| JP2021001104A (ja) * | 2018-12-07 | 2021-01-07 | 日本電気硝子株式会社 | ガラス |
| WO2021085271A1 (ja) | 2019-10-31 | 2021-05-06 | 日本電気硝子株式会社 | 光学ガラス板 |
| JPWO2021205927A1 (ja) * | 2020-04-06 | 2021-10-14 | ||
| US11543658B2 (en) | 2017-07-12 | 2023-01-03 | Hoya Corporation | Light guide plate made of lead-free glass having a high refractive index and image display device using a light guide plate |
| DE112021003134T5 (de) | 2020-06-04 | 2023-03-30 | Nippon Electric Glass Co., Ltd. | Glasfolie |
| WO2023120429A1 (ja) * | 2021-12-20 | 2023-06-29 | Agc株式会社 | ガラス |
| DE112022003929T5 (de) | 2021-08-12 | 2024-05-29 | Nippon Electric Glass Co., Ltd. | Optische glasplatte |
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| JP6695318B2 (ja) * | 2017-12-27 | 2020-05-20 | Hoya株式会社 | 円盤状ガラス基板の製造方法、薄板ガラス基板の製造方法、導光板の製造方法及び円盤状ガラス基板 |
| CN112334421A (zh) * | 2018-06-26 | 2021-02-05 | 日本电气硝子株式会社 | 玻璃板 |
| US11629089B2 (en) | 2018-06-26 | 2023-04-18 | Nippon Electric Glass Co., Ltd. | Plate glass |
| 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 |
| JP7003178B2 (ja) * | 2020-04-21 | 2022-01-20 | Hoya株式会社 | 円盤状ガラス基板の製造方法、薄板ガラス基板の製造方法、導光板の製造方法及び円盤状ガラス基板 |
| WO2024257610A1 (ja) * | 2023-06-16 | 2024-12-19 | Agc株式会社 | ガラス及びガラスの製造方法 |
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| TWI754076B (zh) * | 2017-06-23 | 2022-02-01 | 日商Agc股份有限公司 | 光學玻璃及光學元件 |
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| JP2019020723A (ja) * | 2017-07-12 | 2019-02-07 | Hoya Candeo Optronics株式会社 | 導光板、画像表示装置 |
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| JP2023014127A (ja) * | 2017-07-12 | 2023-01-26 | Hoya株式会社 | 導光板、画像表示装置 |
| JP2021128344A (ja) * | 2017-07-12 | 2021-09-02 | Hoya株式会社 | 導光板、画像表示装置 |
| US11543658B2 (en) | 2017-07-12 | 2023-01-03 | Hoya Corporation | Light guide plate made of lead-free glass having a high refractive index and image display device using a light guide plate |
| WO2019163491A1 (ja) * | 2018-02-20 | 2019-08-29 | 日本電気硝子株式会社 | ガラス |
| JP7392914B2 (ja) | 2018-02-20 | 2023-12-06 | 日本電気硝子株式会社 | ガラス |
| JPWO2019163491A1 (ja) * | 2018-02-20 | 2021-02-04 | 日本電気硝子株式会社 | ガラス |
| JPWO2020090051A1 (ja) * | 2018-10-31 | 2021-02-15 | Agc株式会社 | 導光板用光学材料及び導光板 |
| WO2020090051A1 (ja) * | 2018-10-31 | 2020-05-07 | Agc株式会社 | 導光板用光学材料及び導光板 |
| JP2021001104A (ja) * | 2018-12-07 | 2021-01-07 | 日本電気硝子株式会社 | ガラス |
| JP7626982B2 (ja) | 2018-12-07 | 2025-02-05 | 日本電気硝子株式会社 | ガラス |
| JP2024045688A (ja) * | 2018-12-07 | 2024-04-02 | 日本電気硝子株式会社 | ガラス |
| JP7445186B2 (ja) | 2018-12-07 | 2024-03-07 | 日本電気硝子株式会社 | ガラス |
| WO2021085271A1 (ja) | 2019-10-31 | 2021-05-06 | 日本電気硝子株式会社 | 光学ガラス板 |
| DE112021002188T5 (de) | 2020-04-06 | 2023-04-13 | Nippon Electric Glass Co., Ltd. | Optisches glas |
| CN115210191A (zh) * | 2020-04-06 | 2022-10-18 | 日本电气硝子株式会社 | 光学玻璃 |
| JPWO2021205927A1 (ja) * | 2020-04-06 | 2021-10-14 | ||
| WO2021205927A1 (ja) * | 2020-04-06 | 2021-10-14 | 日本電気硝子株式会社 | 光学ガラス |
| DE112021003134T5 (de) | 2020-06-04 | 2023-03-30 | Nippon Electric Glass Co., Ltd. | Glasfolie |
| DE112022003929T5 (de) | 2021-08-12 | 2024-05-29 | Nippon Electric Glass Co., Ltd. | Optische glasplatte |
| WO2023120429A1 (ja) * | 2021-12-20 | 2023-06-29 | Agc株式会社 | ガラス |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107850725A (zh) | 2018-03-27 |
| EP3330754A1 (en) | 2018-06-06 |
| EP3330754A4 (en) | 2019-03-27 |
| EP3330754B1 (en) | 2020-09-09 |
| KR20180033577A (ko) | 2018-04-03 |
| WO2017018375A1 (ja) | 2017-02-02 |
| KR102547043B1 (ko) | 2023-06-23 |
| CN107850725B (zh) | 2021-05-14 |
| KR20230093371A (ko) | 2023-06-27 |
| US20180217317A1 (en) | 2018-08-02 |
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