JP2022534830A - 白色led光源およびその作製方法 - Google Patents
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- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
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Abstract
Description
本出願は、2019年8月9日に出願され、「WHITE LED LIGHT SOURCE AND METHOD OF MAKING SAME」と題された現在期限が切れている米国仮特許出願第62/884,975号の利益を主張する、「WHITE LED LIGHT SOURCE AND METHOD OF MAKING SAME」と題された2019年11月26日に出願された現在保留中の米国特許出願第16/696,516号の優先権を主張する。
「色域」は、特定のデバイスに利用可能な色の全範囲を指し、
「相関色温度」(CCT)は、特定の温度にK度で加熱されたときに、基準源からの光の色にその色を関連付ける光源によって発せられる光の色の外観を指し、
「輝度」は、所与の方向において単位面積当たりの表面から発せられる光の強度を指し、
「リン」は、1つの波長で光を吸収し、より高い波長で光を発する化合物または材料、あるいは場合によっては化合物または材料の組み合わせを指し、
「一次光」とは、添加された吸収体、蛍光体、または燐光体によって変化される前の光源から直接発せられる光の強度および光の色を指し、
「二次光」は、添加された吸収体、蛍光体、または燐光体によって変化させた後の、光源から直接発せられる光の強度および光の色を指す。
L(λ)=Eλ(λ、t)はW/m2/nm-1におけるスペクトル照射であり、
B(λ)=ICNIRPからの青色光ハザード関数、および
Δλ=1である。
LEDチップ-青色発光
253HE-最大吸光度が433nmの独自染料。
リンA-PA570-青色/紫外線スペクトル範囲で吸収され、最大発光が570nm(黄色)の独自のリン。
リンB-PA556D1-青色/紫外線スペクトル範囲で吸収され、最大発光が556nm(緑色)の独自のリン。
接合コーティング樹脂-触媒を添加した後、150℃で4時間硬化する2部カプセル化樹脂。
0.5%の吸収染料253HEの溶液をトルエン中で調製した。リンA、リンB、および253HE染料溶液の組み合わせを混合し、それを接合コーティング樹脂の封止剤混合物に注入することによって、LEDカプセルパッケージを作製した。
Claims (19)
- LED光源であって、
LEDと、
前記LED上に配置された封止剤であって、
前記封止剤が、約415nm~約455nmの光を吸収する光吸収成分を含み、前記光吸収成分が前記封止剤内に分散されている、封止剤と、
青色光を吸収する少なくとも第1のリンであって、前記封止剤内に分散されている、リンと、を備え、
前記リンは、第1のより高い波長で光を再放射する、LED光源。 - 前記封止剤が、青色光を吸収する第2のリンをさらに含み、前記リンが前記封止剤内に分散され、
前記第2のリンが、前記第1のより高い波長とは異なる第2のより高い波長で光を再放射する、請求項1に記載のLED光源。 - 前記光吸収成分が、染料または顔料を含む、請求項1に記載のLED光源。
- 前記光吸収成分が、約425~約435nmの最大吸光度を有する染料を含む、請求項3に記載のLED光源。
- 前記光吸収成分が、約430~約435nmの最大吸光度を有する染料を含む、請求項4に記載のLED光源。
- 前記光吸収成分が、有機顔料を含む、請求項3に記載のLED光源。
- 前記光吸収成分が、無機顔料を含む、請求項3に記載のLED光源。
- 前記光吸収成分が、約15~約75の青色光ハザードのパーセント低減をもたらす、請求項1に記載のLED光源。
- 前記光吸収成分が、約15~約75の青色光ハザードのパーセント低減をもたらす、請求項2に記載のLED光源。
- 前記LEDが、有機発光ダイオードを含む、請求項1に記載のLED光源。
- 前記第1のリンは、青色光を緑色光に変換し、前記第2のリンは青色光を黄色光に変換する、請求項2に記載のLED光源。
- 前記封止剤が、シリコン含有ポリマーを含む、請求項1に記載のLED光源。
- LED光源であって、
LEDであって、
前記LED光源が白色光を発する、LEDと、
約415nm~約455nmの光を吸収する光吸収成分を含む第1の封止剤と、
リンを含む第2の封止剤と、を備えるLED光源。 - 前記第1の封止剤が前記LEDと接触し、前記第2の封止剤が前記LEDと接触しない、請求項13に記載のLED光源。
- 前記第2の封止剤が前記LEDと接触し、前記第1の封止剤が前記LEDと接触しない、請求項13に記載のLED光源。
- 前記第1の封止剤が、可視スペクトルの緑色または赤色領域に吸収ピーク波長を有する少なくとも1つの染料または顔料をさらに含む、請求項14に記載のLED光源。
- 前記光吸収成分が、約425~約435nmの最大吸光度を有する染料を含む、請求項13に記載のLED光源。
- 前記光吸収成分が、約430~約435nmの最大吸光度を有する染料を含む、請求項13に記載のLED光源。
- 最上位層またはドームレンズをさらに備え、
前記最上位層またはドームレンズが、可視スペクトルの緑色または赤色領域に吸収ピーク波長を有する少なくとも1つの染料または顔料をさらに含む、請求項13に記載のLED光源。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201962884975P | 2019-08-09 | 2019-08-09 | |
US16/696,516 US10971660B2 (en) | 2019-08-09 | 2019-11-26 | White LED light source and method of making same |
US16/696,516 | 2019-11-26 | ||
PCT/US2020/059208 WO2021108105A1 (en) | 2019-08-09 | 2020-11-05 | White led light source and method of making same |
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JP2022534830A true JP2022534830A (ja) | 2022-08-04 |
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US (3) | US10971660B2 (ja) |
EP (1) | EP4049320A4 (ja) |
JP (1) | JP2022534830A (ja) |
KR (1) | KR20210095703A (ja) |
CN (1) | CN113366659A (ja) |
AU (1) | AU2020393812B2 (ja) |
CA (1) | CA3154694A1 (ja) |
WO (1) | WO2021108105A1 (ja) |
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US10642087B2 (en) | 2014-05-23 | 2020-05-05 | Eyesafe, Llc | Light emission reducing compounds for electronic devices |
US11810532B2 (en) | 2018-11-28 | 2023-11-07 | Eyesafe Inc. | Systems for monitoring and regulating harmful blue light exposure from digital devices |
US11126033B2 (en) | 2018-11-28 | 2021-09-21 | Eyesafe Inc. | Backlight unit with emission modification |
US11592701B2 (en) | 2018-11-28 | 2023-02-28 | Eyesafe Inc. | Backlight unit with emission modification |
US10955697B2 (en) | 2018-11-28 | 2021-03-23 | Eyesafe Inc. | Light emission modification |
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EP4049320A4 (en) | 2023-01-18 |
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CA3154694A1 (en) | 2021-06-03 |
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US10998471B2 (en) | 2021-05-04 |
WO2021108105A1 (en) | 2021-06-03 |
AU2020393812A1 (en) | 2022-03-31 |
US20210043807A1 (en) | 2021-02-11 |
US20210273141A1 (en) | 2021-09-02 |
US10971660B2 (en) | 2021-04-06 |
KR20210095703A (ko) | 2021-08-02 |
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