JP6258619B2 - 照明装置 - Google Patents
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- JP6258619B2 JP6258619B2 JP2013149071A JP2013149071A JP6258619B2 JP 6258619 B2 JP6258619 B2 JP 6258619B2 JP 2013149071 A JP2013149071 A JP 2013149071A JP 2013149071 A JP2013149071 A JP 2013149071A JP 6258619 B2 JP6258619 B2 JP 6258619B2
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- 238000000295 emission spectrum Methods 0.000 claims description 48
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- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 35
- 238000005286 illumination Methods 0.000 claims description 27
- 238000009792 diffusion process Methods 0.000 claims description 25
- 229920005989 resin Polymers 0.000 claims description 11
- 239000011347 resin Substances 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 7
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims 4
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims 1
- 230000003595 spectral effect Effects 0.000 description 5
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- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000009877 rendering Methods 0.000 description 3
- 229920002050 silicone resin Polymers 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000002223 garnet Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
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- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
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- F21Y2113/13—Combination of light sources of different colours comprising an assembly of point-like light sources
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Description
本実施形態における第2発光体2は、第2発光素子20の上面20aおよび非被覆側面部20cから光を出すよう構成されている。
図14は、2個の発光体の配置例を示す。第1サイドカバー11は、第1発光素子10の3つの側面(第1側面10d、第2側面10eおよび第3側面10f)を覆う。第2サイドカバー21は、第2発光素子20の3つの側面(第1側面20d、第2側面20eおよび第3側面20f)を覆う。第1発光体1の第1サイドカバー11によって被覆されない第4側面10cは、第2発光体の第2サイドカバー21によって被覆されない第4側面20cと対向する。本発明に係る第1実施形態にて先に開示されたように、照明装置100は、第1発光素子10の周側面のうち3つの側面に接触して配置される第1サイドカバー11を有する。第2サイドカバー21は、第2発光素子20の周側面のうち3つの側面に接触して配置される。
図17に示される照明装置200’は、図5−13を参照する実施形態で説明された一つ以上の構造を有する発光体を含むことも可能であり、そのため、参照番号1’、1’’、もしくは1’’’がここでは付けられている。第1発光素子10’の周側面10’c-10’fを部分的に覆う第1サイドカバー11’もしくは11’’は、第1光透過層14の周側面10’c-10’fの一部に接触して配置され、第1光透過層14の周側面を部分的に覆う。
もしくは1’’’aと、第2発光体2’a、2’’aもしくは2’’’aと、第3発光体1’a’, 1’’a’もしくは1’’’a’と、第4発光体2’a’、2’’a’もしくは2’’’a’とは、非被覆側面部10’c、10’f、20’c、20’fにおいて互いに対向して配置されている。
Claims (24)
- p-nジャンクションを伴う第1発光素子と、第1発光素子の周側面を部分的に被覆する第1サイドカバーと、を有する第1発光体と、
p-nジャンクションを伴う第2発光素子と、第2発光素子の周側面を部分的に被覆する第2サイドカバーと、を有する第2発光体と、を有し、
第1発光体と第2発光体は、第1サイドカバーと第2サイドカバーによって被覆されない非被覆側面部において互いに向き合って配置され、
第1発光体は、第1サイドカバーによって被覆されない非被覆側面部に接触して配置される光拡散層を有し、
第2発光体は、第2サイドカバーによって被覆されない非被覆側面部に接触して配置される光拡散層を有する照明装置。 - 第1発光体と第2発光体は、互いに異なる発光スペクトルの光を出すように構成される、請求項1に記載の照明装置。
- 第1サイドカバーは、第1発光素子の周側面の4分の1以上の面積を被覆する、請求項1に記載の照明装置。
- 第2サイドカバーは、第2発光素子の周側面の4分の1以上の面積を被覆する、請求項1に記載の照明装置。
- 第1サイドカバーと第2サイドカバーは白色樹脂から成る、請求項1に記載の照明装置。
- 白色樹脂は酸化チタン粒子を含む、請求項5に記載の照明装置。
- 第1発光体は、さらに、第1発光素子からの光によって励起され得る蛍光体を含む第1光透過層を有し、
第1光透過層は、p-nジャンクションの発光面の上方で第1発光素子の上面を被覆し、第1サイドカバーによって被覆されない非被覆側面部を被覆する、請求項1に記載の照明装置。 - 第2発光体は、さらに、第2発光素子からの光によって励起され得る蛍光体を含む第2光透過層を有し、
第2光透過層は、第2発光素子におけるp-nジャンクションの発光面の上方で第2発光素子の上面を被覆し、第2サイドカバーによって被覆されない非被覆側面部を被覆する、請求項1に記載の照明装置。 - 第1発光体は、さらに、第1発光素子が電気的に実装される基板と、
基板上に配置されて、基板上の第1発光素子を封止する第1光透過層と、を有し、
第1発光素子の周側面を部分的に被覆する第1サイドカバーが、第1光透過層の周側面の一部に接触して配置され、第1光透過層の周側面を部分的に被覆する、請求項1に記載の照明装置。 - 第2発光体は、さらに、第2発光素子が電気的に実装される基板と、
基板上に配置されて、基板上の第2発光素子を封止する第2光透過層と、を有し、
第2発光素子の周側面を部分的に被覆する第2サイドカバーが、第2光透過層の周側面の一部に接触して配置され、第2光透過層の周側面を部分的に被覆する、請求項1に記載の照明装置。 - 第2光透過層は、第2発光素子からの光によって励起され得る蛍光体を含む、請求項10に記載の照明装置。
- p-nジャンクションを伴う第1発光素子と、第1発光素子が電気的に実装される基板と、基板上に配置されて基板上の第1発光素子を封止する第1光透過層と、第1光透過層の周側面の一部に接触して配置され、第1光透過層の周側面を部分的に被覆する第1サイドカバーと、を有する第1発光体と、
p-nジャンクションを伴う第2発光素子と、第2発光素子が電気的に実装される基板と、基板上に配置されて基板上の第2発光素子を封止する第2光透過層第2光透過層と、第2光透過層の周側面の一部に接触して配置され、第2光透過層の周側面を部分的に被覆する第2サイドカバーと、を有する第2発光体と、を有し、
第1発光体と第2発光体は、第1サイドカバーと第2サイドカバーによって被覆されない非被覆側面部において互いに向き合って配置され、
第1サイドカバーによって被覆されない非被覆側面部の反対側の位置において、第1サイドカバーは、第1サイドカバーによって被覆されない非被覆側面部に隣接する位置での第1光透過層よりも基板の上面からの高さが大きい、照明装置。 - 第1発光体及び第2発光体の各光拡散層は反射粒子を含む、請求項1に記載の照明装置。
- 第1サイドカバーは、第2サイドカバーよりも高さが大きい、請求項12に記載の照明装置。
- 第1発光体と第2発光体とから成る第1ペアと、第1発光体と第2発光体とから成る第2ペアが、縦に並んで配置される、請求項1に記載の照明装置。
- 第1発光体と第2発光体とから成る第1ペアが、第1発光体と第2発光体とから成る第2ペアに隣り合って配置される、請求項1に記載の照明装置。
- 第1ペアが第1発光体と第2発光体を含み、第2ペアが第1発光体と第2発光体を含み、第1ペアと第2ペアの第1発光体と第2発光体がエリアに配置されている、請求項1に記載の照明装置。
- さらに、エリア内に配置された第1ペアの第1発光体と第2発光体および第2ペアの第1発光体と第2発光体の位置よりも内側に位置する第3発光体と、を有する、請求項17に記載の照明装置。
- エリア内に配置された複数の発光体であって、
複数の発光体のうち第1発光体は、第1発光素子と、第1発光素子の周側面を部分的に被覆する第1サイドカバーで、第1発光素子の周側面の4分の1以上の面積を被覆している第1サイドカバーと、を有し、
複数の発光体のうち第2発光体は、第2発光素子と、第2発光素子の周側面を部分的に被覆する第2サイドカバーで、第2発光素子の周側面の4分の1以上の面積を被覆している第2サイドカバーと、を有し、
第1発光体と第2発光体とから成る第1ペアと、第1発光体と第2発光体とから成る第2ペアと、がエリア内に配置され、
複数の発光体のうち第3の発光体は、エリア内に配置された第1ペアの第1発光体と第2発光体および第2ペアの第1発光体と第2発光体の位置よりも内側に位置し、
第1発光体からの光と、第2発光体からの光と、第3発光体からの光が、複数の発光体が配置されたエリアの上方へ向けて出射されるよう構成される、照明装置。 - 第1発光体と、第2発光体と、第3発光体は互いに異なる発光スペクトルの光を出すよう構成された、請求項18又は請求項19に記載の照明装置。
- 第3発光体は周側面から放射状に光を出すよう構成されている、請求項18又は請求項19に記載の照明装置。
- 第1発光体および第3発光体は、互いに類似する発光スペクトルの光を出すよう構成された、請求項19に記載の照明装置。
- さらに、前記複数の発光体を被覆する光を通すカバーと、複数の発光体の下方に位置し、電流を複数の発光体に供給するためのベースと、を有する、請求項1又は請求項19に記載の照明装置。
- 第1光透過層は、第1発光素子からの光によって励起され得る蛍光体を含む、請求項9に記載の照明装置。
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