JP7254906B2 - 発光素子 - Google Patents
発光素子 Download PDFInfo
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- JP7254906B2 JP7254906B2 JP2021508291A JP2021508291A JP7254906B2 JP 7254906 B2 JP7254906 B2 JP 7254906B2 JP 2021508291 A JP2021508291 A JP 2021508291A JP 2021508291 A JP2021508291 A JP 2021508291A JP 7254906 B2 JP7254906 B2 JP 7254906B2
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- Prior art keywords
- light
- semiconductor chip
- conversion element
- emitting device
- cyan
- Prior art date
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- 239000004065 semiconductor Substances 0.000 claims description 90
- 238000006243 chemical reaction Methods 0.000 claims description 59
- 230000005855 radiation Effects 0.000 claims description 18
- 230000005670 electromagnetic radiation Effects 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 238000001228 spectrum Methods 0.000 description 15
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 9
- 230000003287 optical effect Effects 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 238000004020 luminiscence type Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/075—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00
- H01L25/0753—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00 the devices being arranged next to each other
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/50—Wavelength conversion elements
- H01L33/501—Wavelength conversion elements characterised by the materials, e.g. binder
- H01L33/502—Wavelength conversion materials
- H01L33/504—Elements with two or more wavelength conversion materials
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Led Device Packages (AREA)
Description
15 活性領域
2 第2の半導体チップ(シアン色)
21 第1の転換ライン
22 第2の転換ライン
23 第3の転換ライン
24 第4の転換ライン
25 活性領域
3 変換素子
31 蛍光体
32 マトリックス材料
41 第1の半導体チップ1によって生成される温白色光のスペクトル
42 第1の半導体チップ1によって生成される冷白色光のスペクトル
43 第2の半導体チップ2のスペクトル
44 スペクトル42とスペクトル43との重ね合わせのスペクトル
5 プランク曲線
51 青色光
52 シアン色光
53 二次放射
54 温白色光
55 混合光
6 ハウジング
Claims (8)
- 動作中に青色光(51)を放出する第1の半導体チップ(1)と、
動作中にシアン色光(52)を放出する第2の半導体チップ(2)と、
動作中に二次放射(53)を放出する変換素子(3)と、
を含む発光素子であって、
前記変換素子(3)は、前記第1の半導体チップ(1)と前記第2の半導体チップ(2)の下流側に配置され、
前記変換素子(3)は、前記第1の半導体チップ(1)の前記青色光(51)で励起されて前記二次放射(53)を放出し、
前記シアン色光は、前記変換素子(3)を通過するときに、ほとんど又は全く変換されず、
前記二次放射(53)は、前記青色光(51)と混合されて、温白色光(54)を形成し、
前記発光素子は、動作中に前記温白色光(54)と前記シアン色光(52)から混合光(55)を放射するように構成され、
前記混合光(55)の色温度は、最低値(Tmin)と最高値(Tmax)との間で調整可能であり、前記最低値(Tmin)と前記最高値(Tmax)との間の差は、少なくとも1500Kであり、
前記第1の半導体チップを動作させる強度及び/又は出力を、前記色温度の前記最高値(Tmax)に向かって低下させて前記色温度を変化させる、
発光素子。 - 前記第1の半導体チップ(1)及び前記第2の半導体チップ(2)は、互いに独立して動作することができる、請求項1に記載の発光素子。
- 前記変換素子(3)が、前記温白色光(54)と前記シアン色光(52)との混合を支持するか、又は引き起こす、請求項1又は2に記載の発光素子。
- 前記第1の半導体チップ(1)及び前記第2の半導体チップ(2)は、前記変換素子(3)に埋め込まれている、請求項1乃至3のいずれか1項に記載の発光素子。
- 前記第1の半導体チップ(1)、前記第2の半導体チップ(2)及び前記変換素子(3)は、共通のハウジング(6)内に配置されている、請求項1又は2に記載の発光素子。
- 前記混合光(55)を形成するための、前記温白色光(54)と前記シアン色光(52)との混合が、前記ハウジング(6)内で行われる、請求項5に記載の発光素子。
- 前記第2の半導体チップ(2)が、最低480nm~最高490nmの間のピーク波長を有する電磁放射を放出するように構成された活性領域(25)を有する、請求項1乃至6のいずれか1項に記載の発光素子。
- 前記放射された混合光の前記色温度は、連続的又は準連続的に調整される、請求項1乃至7のいずれか1項に記載の発光素子。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018123010.9 | 2018-09-19 | ||
DE102018123010.9A DE102018123010A1 (de) | 2018-09-19 | 2018-09-19 | Strahlungsemittierendes bauelement |
PCT/EP2019/074842 WO2020058258A1 (de) | 2018-09-19 | 2019-09-17 | Strahlungsemittierendes bauelement |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2022500841A JP2022500841A (ja) | 2022-01-04 |
JP7254906B2 true JP7254906B2 (ja) | 2023-04-10 |
Family
ID=68069728
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2021508291A Active JP7254906B2 (ja) | 2018-09-19 | 2019-09-17 | 発光素子 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20210351329A1 (ja) |
JP (1) | JP7254906B2 (ja) |
CN (1) | CN112771668A (ja) |
DE (2) | DE102018123010A1 (ja) |
WO (1) | WO2020058258A1 (ja) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006054224A (ja) | 2004-08-10 | 2006-02-23 | Sanyo Electric Co Ltd | 発光装置 |
JP2007109837A (ja) | 2005-10-13 | 2007-04-26 | Hitachi Ltd | 照明装置 |
JP2007287385A (ja) | 2006-04-13 | 2007-11-01 | Epson Imaging Devices Corp | 照明装置、液晶装置、及び電子機器 |
JP2008300350A (ja) | 2007-05-02 | 2008-12-11 | Cree Inc | Criの高い暖色系白色光を供給するマルチチップ発光デバイスランプおよびこれを含む照明器具 |
JP2013191385A (ja) | 2012-03-13 | 2013-09-26 | Toshiba Lighting & Technology Corp | 照明装置 |
JP2017069284A (ja) | 2015-09-28 | 2017-04-06 | パナソニックIpマネジメント株式会社 | 発光装置及び照明装置 |
WO2018016047A1 (ja) | 2016-07-21 | 2018-01-25 | サンケン電気株式会社 | 発光装置 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009037732A1 (de) | 2009-08-17 | 2011-02-24 | Osram Gesellschaft mit beschränkter Haftung | Konversions-LED mit hoher Effizienz |
DE102009037730A1 (de) | 2009-08-17 | 2011-02-24 | Osram Gesellschaft mit beschränkter Haftung | Konversions-LED mit hoher Farbwiedergabe |
US8198803B2 (en) * | 2010-07-30 | 2012-06-12 | Everlight Electronics Co., Ltd. | Color-temperature-tunable device |
DE102011116229A1 (de) | 2011-10-17 | 2013-04-18 | Osram Opto Semiconductors Gmbh | Keramisches Konversionselement, optoelektronisches Bauelement mit einem keramischen Konversionselement und Verfahren zur Herstellung eines keramischen Konversionselements |
CN105324859B (zh) * | 2013-06-18 | 2019-06-04 | 夏普株式会社 | 光源装置以及发光装置 |
CN108822835B (zh) * | 2013-10-08 | 2022-07-29 | 欧司朗光电半导体有限公司 | 发光材料、用于制造发光材料的方法和发光材料的应用 |
CN106030833B (zh) * | 2014-04-08 | 2018-08-28 | 夏普株式会社 | Led驱动电路 |
US9219201B1 (en) * | 2014-10-31 | 2015-12-22 | Cree, Inc. | Blue light emitting devices that include phosphor-converted blue light emitting diodes |
DE102014117892A1 (de) * | 2014-12-04 | 2016-06-09 | Osram Opto Semiconductors Gmbh | Optoelektronisches Bauelement sowie optoelektronisches Bauteil |
KR102419890B1 (ko) * | 2015-11-05 | 2022-07-13 | 삼성전자주식회사 | 발광 장치 및 그 제조 방법 |
US10446722B2 (en) * | 2017-09-29 | 2019-10-15 | Samsung Electronics Co., Ltd. | White light emitting device |
-
2018
- 2018-09-19 DE DE102018123010.9A patent/DE102018123010A1/de not_active Withdrawn
-
2019
- 2019-09-17 CN CN201980060795.6A patent/CN112771668A/zh active Pending
- 2019-09-17 US US17/277,732 patent/US20210351329A1/en active Pending
- 2019-09-17 JP JP2021508291A patent/JP7254906B2/ja active Active
- 2019-09-17 DE DE112019004670.5T patent/DE112019004670A5/de active Pending
- 2019-09-17 WO PCT/EP2019/074842 patent/WO2020058258A1/de active Application Filing
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006054224A (ja) | 2004-08-10 | 2006-02-23 | Sanyo Electric Co Ltd | 発光装置 |
JP2007109837A (ja) | 2005-10-13 | 2007-04-26 | Hitachi Ltd | 照明装置 |
JP2007287385A (ja) | 2006-04-13 | 2007-11-01 | Epson Imaging Devices Corp | 照明装置、液晶装置、及び電子機器 |
JP2008300350A (ja) | 2007-05-02 | 2008-12-11 | Cree Inc | Criの高い暖色系白色光を供給するマルチチップ発光デバイスランプおよびこれを含む照明器具 |
JP2013191385A (ja) | 2012-03-13 | 2013-09-26 | Toshiba Lighting & Technology Corp | 照明装置 |
JP2017069284A (ja) | 2015-09-28 | 2017-04-06 | パナソニックIpマネジメント株式会社 | 発光装置及び照明装置 |
WO2018016047A1 (ja) | 2016-07-21 | 2018-01-25 | サンケン電気株式会社 | 発光装置 |
Also Published As
Publication number | Publication date |
---|---|
CN112771668A (zh) | 2021-05-07 |
DE112019004670A5 (de) | 2021-06-02 |
WO2020058258A1 (de) | 2020-03-26 |
US20210351329A1 (en) | 2021-11-11 |
DE102018123010A1 (de) | 2020-03-19 |
JP2022500841A (ja) | 2022-01-04 |
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