JP5318976B2 - ランプカバー及びこれを利用したledランプ - Google Patents
ランプカバー及びこれを利用したledランプ Download PDFInfo
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- JP5318976B2 JP5318976B2 JP2011553936A JP2011553936A JP5318976B2 JP 5318976 B2 JP5318976 B2 JP 5318976B2 JP 2011553936 A JP2011553936 A JP 2011553936A JP 2011553936 A JP2011553936 A JP 2011553936A JP 5318976 B2 JP5318976 B2 JP 5318976B2
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- Prior art keywords
- lamp
- lamp cap
- led
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- light
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- Expired - Fee Related
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- 239000000463 material Substances 0.000 claims description 58
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 32
- 238000006243 chemical reaction Methods 0.000 claims description 27
- 239000011347 resin Substances 0.000 claims description 20
- 229920005989 resin Polymers 0.000 claims description 20
- 229910052710 silicon Inorganic materials 0.000 claims description 20
- 239000010703 silicon Substances 0.000 claims description 20
- 239000000758 substrate Substances 0.000 claims description 16
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 15
- 239000012780 transparent material Substances 0.000 claims description 7
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 6
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 6
- 230000000994 depressogenic effect Effects 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000001746 injection moulding Methods 0.000 claims description 4
- 239000004417 polycarbonate Substances 0.000 claims description 4
- 229920000515 polycarbonate Polymers 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 10
- 239000000203 mixture Substances 0.000 description 9
- 239000007788 liquid Substances 0.000 description 6
- 230000002596 correlated effect Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000005284 excitation Effects 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229920002050 silicone resin Polymers 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920000193 polymethacrylate Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
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- 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
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/08—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for producing coloured light, e.g. monochromatic; for reducing intensity of light
-
- 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
- F21V3/00—Globes; Bowls; Cover glasses
- F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
- F21V3/06—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by the material
- F21V3/08—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by the material the material comprising photoluminescent substances
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
- F21K9/64—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using wavelength conversion means distinct or spaced from the light-generating element, e.g. a remote phosphor layer
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Led Device Packages (AREA)
Description
Claims (19)
- 曲面を有する第1ランプキャップ;
前記第1ランプキャップと間隔を置いて結合されるもので、曲面を有する第2ランプキャップ;及び
前記第1ランプキャップと前記第2ランプキャップ間に満たされる波長−変換層を含み、
ここで、前記第1ランプキャップと第2ランプキャップは、透明な材料からなり、
前記の透明な材料は、ガラス、ポリメチルメタクリレート(PMMA)、ポリカーボネート(polycarbonate)及びシリコン樹脂のうち、少なくとも一つの材料を含み、
前記第1ランプキャップと第2ランプキャップはそれぞれ盛り上がった外部面と窪んだ内部面を有し、前記波長−変換層は第1ランプキャップの窪んだ内部面と第2ランプキャップの盛り上がった外部面間に満たされ、
前記第1ランプキャップと第2ランプキャップは、それぞれ噛み合って結合される第1支持部及び第2支持部をそれぞれ有する、
ランプカバー。 - 前記第1ランプキャップと第2ランプキャップは、半球形シェルの形態を有する請求項1に記載のランプカバー。
- 前記波長−変換層が一定の厚さを有するように、前記第1ランプキャップと第2ランプキャップ間の間隔が一定の請求項1に記載のランプカバー。
- 前記第2ランプキャップの内部面は、多数の相違する曲率または多数の相違する法線ベクトル平面を有する多数の表面を有する請求項3に記載のランプカバー。
- 前記波長−変換層は、発光物質(luminescent material)と混合されたシリコン樹脂材料を含む請求項1に記載のランプカバー。
- 前記発光物質は、UV光、青色光又は緑色光によって励起され可視光を発生させる蛍光体材料である請求項5に記載のランプカバー。
- 前記蛍光体材料は、UV光、青色光又は緑色光によって励起され相違する波長の可視光をそれぞれ発生させる少なくとも一種類の蛍光体材料を含む請求項6に記載のランプカバー。
- 請求項1〜7のいずれかに記載のランプカバーを備えるLEDランプ。
- 前記LEDランプは:
基板;及び
前記基板上に実装された少なくとも一つのLEDパッケージをさらに含み、
前記ランプカバーは前記LEDパッケージを囲むように前記基板上に配置される請求項8に記載のLEDランプ。 - 前記基板は、PCB基板である請求項9に記載のLEDランプ。
- 前記LEDパッケージは、UV LED、青色LED又は緑色LEDの少なくとも一つを含む請求項9に記載のLEDランプ。
- 前記LEDパッケージの表面積に対する前記第2ランプキャップの内部面の表面積の比は2より大きい請求項9に記載のLEDランプ。
- 前記LEDパッケージと前記第2ランプキャップの内部面間の間隔は、3mmよりも大きい請求項9に記載のLEDランプ。
- 前記LEDパッケージと前記第2ランプキャップの内部面間に空間が存在する請求項13に記載のLEDランプ。
- 前記第1ランプキャップの外部面は、前記LEDパッケージの光出力強さに対する表面積の比が300mm2/wattより大きい表面積を有する請求項9に記載のLEDランプ。
- 前記第2ランプキャップの内部面は、前記第2ランプキャップの内部面の一点から反射された光が、前記第2ランプキャップの内部面の他の点に入射し得るように、多数の相違する曲率又は多数の相違する法線ベクトル平面を有する多数の表面を有する請求項9に記載のLEDランプ。
- 前記の多数の法線ベクトル平面は、LEDパッケージに向かって収斂するように配置される請求項16に記載のLEDランプ。
- 請求項1に係るランプカバーを製造する方法であって、
射出成形により前記第1と第2のランプキャップを準備する工程と、
蛍光材料を混合させたシリコン樹脂材料を前記第1のランプキャップの窪んだ内面上に設ける工程と、
前記第1のランプキャップの前記窪んだ内面が前記第2のランプキャップの盛り上がった外面に面するように前記第1と第2のランプキャップとを結合させる工程と、
熱または紫外線照射により前記蛍光材料を混合させた前記シリコン樹脂材料を硬化させ、前記波長−変換層を形成する工程と、を備える方法。 - 請求項1に係るランプカバーを製造する方法であって、
射出成形により前記第1と第2のランプキャップを準備する工程と、
前記第1のランプキャップの窪んだ内面が前記第2のランプキャップの盛り上がった外面に面するように第1と第2のランプキャップとを結合させる工程と、
前記第1のランプキャップと前記第2のランプキャップとの間の空間に蛍光材料を混合させたシリコン樹脂材料を前記空間を完全に満たすまで注入する工程と、
熱または紫外線照射により前記蛍光材料を混合させた前記シリコン樹脂材料を硬化させ、前記波長−変換層を形成する工程と、を備える方法。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/381,407 | 2009-03-10 | ||
US12/381,407 US7972023B2 (en) | 2009-03-10 | 2009-03-10 | Lamp-cover structure containing luminescent material |
US12/462,348 | 2009-08-03 | ||
US12/462,348 US7828453B2 (en) | 2009-03-10 | 2009-08-03 | Light emitting device and lamp-cover structure containing luminescent material |
PCT/KR2010/001133 WO2010104275A2 (en) | 2009-03-10 | 2010-02-24 | Lamp cover and led lamp using the same |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012520547A JP2012520547A (ja) | 2012-09-06 |
JP5318976B2 true JP5318976B2 (ja) | 2013-10-16 |
Family
ID=42728910
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011553936A Expired - Fee Related JP5318976B2 (ja) | 2009-03-10 | 2010-02-24 | ランプカバー及びこれを利用したledランプ |
Country Status (10)
Country | Link |
---|---|
US (1) | US7828453B2 (ja) |
EP (1) | EP2406541A4 (ja) |
JP (1) | JP5318976B2 (ja) |
KR (1) | KR101195595B1 (ja) |
CN (1) | CN102317680A (ja) |
AU (1) | AU2010221919A1 (ja) |
RU (1) | RU2480671C1 (ja) |
SG (1) | SG173520A1 (ja) |
TW (1) | TWI392833B (ja) |
WO (1) | WO2010104275A2 (ja) |
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CN102317680A (zh) | 2012-01-11 |
RU2480671C1 (ru) | 2013-04-27 |
EP2406541A2 (en) | 2012-01-18 |
US7828453B2 (en) | 2010-11-09 |
US20100232134A1 (en) | 2010-09-16 |
TWI392833B (zh) | 2013-04-11 |
SG173520A1 (en) | 2011-09-29 |
KR20100118557A (ko) | 2010-11-05 |
WO2010104275A3 (en) | 2010-11-04 |
RU2011134605A (ru) | 2013-04-20 |
KR101195595B1 (ko) | 2012-10-29 |
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