Thermal, Photometric and Radiometric Properties of Multi-Color LEDs Situated on the Common PCB
This paper presents the results of experimental investigations illustrating the influence of the spectra of the light emitted by power LEDs on their thermal, photometric and radiometric parameters. The investigations were performed for six diodes emitting white or monochromatic light of different sp...
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| Format: | Article |
| Language: | English |
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MDPI AG
2020-10-01
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| Series: | Electronics |
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| Online Access: | https://www.mdpi.com/2079-9292/9/10/1672 |
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| author | Krzysztof Górecki Przemysław Ptak |
| author_facet | Krzysztof Górecki Przemysław Ptak |
| author_sort | Krzysztof Górecki |
| collection | DOAJ |
| description | This paper presents the results of experimental investigations illustrating the influence of the spectra of the light emitted by power LEDs on their thermal, photometric and radiometric parameters. The investigations were performed for six diodes emitting white or monochromatic light of different spectra. Each of these diodes was produced by the same manufacturer, mounted in the same package and the tested devices were soldered to the common PCB. In the paper, the manner and set-ups making possible measurements of self and transfer transient thermal impedances, illuminance and the surface power density of the light emitted by the tested devices are described. Selected results of measurements are shown and discussed. These results prove that the spectra of the emitted light influence self-transient thermal impedances of the considered devices and transfer transient thermal impedances between some pairs of these devices. Additionally, it is proved that thermal couplings between the tested diodes strongly influence their junction temperature and the surface power density of the emitted radiation. |
| first_indexed | 2024-03-10T15:40:24Z |
| format | Article |
| id | doaj.art-5bfc3005c2c540a6b83add7f51c93f5a |
| institution | Directory Open Access Journal |
| issn | 2079-9292 |
| language | English |
| last_indexed | 2024-03-10T15:40:24Z |
| publishDate | 2020-10-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Electronics |
| spelling | doaj.art-5bfc3005c2c540a6b83add7f51c93f5a2023-11-20T16:54:09ZengMDPI AGElectronics2079-92922020-10-01910167210.3390/electronics9101672Thermal, Photometric and Radiometric Properties of Multi-Color LEDs Situated on the Common PCBKrzysztof Górecki0Przemysław Ptak1Department of Marine Electronics, Gdynia Maritime University, Morska 81-87, 81-225 Gdynia, PolandDepartment of Marine Electronics, Gdynia Maritime University, Morska 81-87, 81-225 Gdynia, PolandThis paper presents the results of experimental investigations illustrating the influence of the spectra of the light emitted by power LEDs on their thermal, photometric and radiometric parameters. The investigations were performed for six diodes emitting white or monochromatic light of different spectra. Each of these diodes was produced by the same manufacturer, mounted in the same package and the tested devices were soldered to the common PCB. In the paper, the manner and set-ups making possible measurements of self and transfer transient thermal impedances, illuminance and the surface power density of the light emitted by the tested devices are described. Selected results of measurements are shown and discussed. These results prove that the spectra of the emitted light influence self-transient thermal impedances of the considered devices and transfer transient thermal impedances between some pairs of these devices. Additionally, it is proved that thermal couplings between the tested diodes strongly influence their junction temperature and the surface power density of the emitted radiation.https://www.mdpi.com/2079-9292/9/10/1672color and white power LEDsthermal parametersradiometric parametersself-heatingmutual thermal couplings |
| spellingShingle | Krzysztof Górecki Przemysław Ptak Thermal, Photometric and Radiometric Properties of Multi-Color LEDs Situated on the Common PCB Electronics color and white power LEDs thermal parameters radiometric parameters self-heating mutual thermal couplings |
| title | Thermal, Photometric and Radiometric Properties of Multi-Color LEDs Situated on the Common PCB |
| title_full | Thermal, Photometric and Radiometric Properties of Multi-Color LEDs Situated on the Common PCB |
| title_fullStr | Thermal, Photometric and Radiometric Properties of Multi-Color LEDs Situated on the Common PCB |
| title_full_unstemmed | Thermal, Photometric and Radiometric Properties of Multi-Color LEDs Situated on the Common PCB |
| title_short | Thermal, Photometric and Radiometric Properties of Multi-Color LEDs Situated on the Common PCB |
| title_sort | thermal photometric and radiometric properties of multi color leds situated on the common pcb |
| topic | color and white power LEDs thermal parameters radiometric parameters self-heating mutual thermal couplings |
| url | https://www.mdpi.com/2079-9292/9/10/1672 |
| work_keys_str_mv | AT krzysztofgorecki thermalphotometricandradiometricpropertiesofmulticolorledssituatedonthecommonpcb AT przemysławptak thermalphotometricandradiometricpropertiesofmulticolorledssituatedonthecommonpcb |