JP2017098028A - 照明器具 - Google Patents
照明器具 Download PDFInfo
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- JP2017098028A JP2017098028A JP2015227783A JP2015227783A JP2017098028A JP 2017098028 A JP2017098028 A JP 2017098028A JP 2015227783 A JP2015227783 A JP 2015227783A JP 2015227783 A JP2015227783 A JP 2015227783A JP 2017098028 A JP2017098028 A JP 2017098028A
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- 230000004907 flux Effects 0.000 claims abstract description 43
- 230000003287 optical effect Effects 0.000 claims description 21
- 238000005286 illumination Methods 0.000 abstract description 11
- 230000004313 glare Effects 0.000 abstract description 8
- 230000000386 athletic effect Effects 0.000 abstract description 5
- 230000000007 visual effect Effects 0.000 description 13
- 230000000670 limiting effect Effects 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 6
- 239000000758 substrate Substances 0.000 description 6
- 230000002829 reductive effect Effects 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 206010047571 Visual impairment Diseases 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003566 sealing material Substances 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000001241 arc-discharge method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 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
- 230000000717 retained effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
Description
2 LED光源
2A 発光面
L 光軸
θ 鉛直角
Claims (3)
- LED光源を備え、前記LED光源からの光が出射する発光面を有する照明器具であって、
出射光が最大光度となる方向を光軸とし、該光軸と成す角度を鉛直角とし、前記発光面から出射される光の全光束が50,000lm以上であるとき、
全光束に対する、鉛直角5°の範囲内の光束の比率が、15〜25%の範囲内であり、
全光束に対する、鉛直角10°の範囲内の光束の比率が、50〜60%の範囲内であり、
全光束に対する、鉛直角15°の範囲内の光束の比率が、65〜80%の範囲内であり、
鉛直角15°を超える方向から見た際の前記発光面の輝度が、800,000cd/m2以下であることを特徴とする照明器具。 - 前記最大光度が、6,500〜20,000cd/klmの範囲であることを特徴とする請求項1に記載の照明器具。
- 鉛直角0°〜5°にかけての光度の落差が、0〜2,000cd/klmの範囲内であり、
鉛直角5〜10°にかけての光度の落差が、3,000〜5,000cd/klmの範囲内であり、
鉛直角10°〜15°にかけての光度の落差が、2,000〜4,000cd/klmの範囲内であることを特徴とする請求項1又は請求項2に記載の照明器具。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2015227783A JP6601798B2 (ja) | 2015-11-20 | 2015-11-20 | 照明器具 |
Applications Claiming Priority (1)
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JP2015227783A JP6601798B2 (ja) | 2015-11-20 | 2015-11-20 | 照明器具 |
Publications (2)
Publication Number | Publication Date |
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JP2017098028A true JP2017098028A (ja) | 2017-06-01 |
JP6601798B2 JP6601798B2 (ja) | 2019-11-06 |
Family
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JP2015227783A Active JP6601798B2 (ja) | 2015-11-20 | 2015-11-20 | 照明器具 |
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JP (1) | JP6601798B2 (ja) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08138413A (ja) * | 1994-11-04 | 1996-05-31 | Matsushita Electric Ind Co Ltd | Hid投光照明器具 |
JP2013201101A (ja) * | 2012-03-26 | 2013-10-03 | Toshiba Lighting & Technology Corp | 照明装置 |
JP2014059182A (ja) * | 2012-09-14 | 2014-04-03 | Toshiba Corp | 照明器具評価方法、照明器具評価装置および照明器具評価システム、ならびに、照明器具 |
JP2014093129A (ja) * | 2012-10-31 | 2014-05-19 | Toshiba Lighting & Technology Corp | 発光ユニット及び照明器具 |
US20140340889A1 (en) * | 2013-05-20 | 2014-11-20 | Musco Corporation | Apparatus, system, and methods for glare reduction and uplighting for golf course, sports fields and large area lighting |
-
2015
- 2015-11-20 JP JP2015227783A patent/JP6601798B2/ja active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08138413A (ja) * | 1994-11-04 | 1996-05-31 | Matsushita Electric Ind Co Ltd | Hid投光照明器具 |
JP2013201101A (ja) * | 2012-03-26 | 2013-10-03 | Toshiba Lighting & Technology Corp | 照明装置 |
JP2014059182A (ja) * | 2012-09-14 | 2014-04-03 | Toshiba Corp | 照明器具評価方法、照明器具評価装置および照明器具評価システム、ならびに、照明器具 |
JP2014093129A (ja) * | 2012-10-31 | 2014-05-19 | Toshiba Lighting & Technology Corp | 発光ユニット及び照明器具 |
US20140340889A1 (en) * | 2013-05-20 | 2014-11-20 | Musco Corporation | Apparatus, system, and methods for glare reduction and uplighting for golf course, sports fields and large area lighting |
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JP6601798B2 (ja) | 2019-11-06 |
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