Analysis and Tunable Models for Phosphor-Converted White Light-Emitting Diode Based on Spectral Compensation
The correlated color temperature (CCT) and color rendering index (CRI) are two significant indicators related to the color appearance and visual effects of illumination. This paper concentrates on dynamic dimming for phosphor-converted (PC) white LEDs to achieve tunable CCT and adequate CRI, via com...
Saved in:
| Main Authors: | , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
IEEE
2023-01-01
|
| Series: | IEEE Photonics Journal |
| Subjects: | |
| Online Access: | https://ieeexplore.ieee.org/document/10113714/ |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1849417349757665280 |
|---|---|
| author | Xuehua Shen Huanting Chen Wenjie Zhang Xiaoxi Ji Yan Yi |
| author_facet | Xuehua Shen Huanting Chen Wenjie Zhang Xiaoxi Ji Yan Yi |
| author_sort | Xuehua Shen |
| collection | DOAJ |
| description | The correlated color temperature (CCT) and color rendering index (CRI) are two significant indicators related to the color appearance and visual effects of illumination. This paper concentrates on dynamic dimming for phosphor-converted (PC) white LEDs to achieve tunable CCT and adequate CRI, via compensation of red/green spectra. The LED systems described have a simple configuration consisting of a PC white LED, a monochrome green LED and a monochrome red LED, which can be individually driven. Compared to individual PC white LEDs, both the spectral continuity and uniformity of the mixed white light are enhanced. The tunable dimming models are proposed by combination of spectral colorimetry and photo-electro-thermal (PET) theory, thus multi-physics effects are involved. From the modeling process and results, the nonlinear characteristics are observed. Experimental verifications present good agreement existing between calculations and measurements, both in terms of values and variation trends. These proposed models could be effective tools to figure out photometric characteristics and visual perception of illumination. On the other hand, they could provide schemes of reference to improve the illumination environment adapting to various special occasions and personal preferences. |
| format | Article |
| id | doaj-art-bcbc5d25596b47cc887c4c87763a1a3a |
| institution | Kabale University |
| issn | 1943-0655 |
| language | English |
| publishDate | 2023-01-01 |
| publisher | IEEE |
| record_format | Article |
| series | IEEE Photonics Journal |
| spelling | doaj-art-bcbc5d25596b47cc887c4c87763a1a3a2025-08-20T03:32:53ZengIEEEIEEE Photonics Journal1943-06552023-01-0115311010.1109/JPHOT.2023.327206910113714Analysis and Tunable Models for Phosphor-Converted White Light-Emitting Diode Based on Spectral CompensationXuehua Shen0https://orcid.org/0000-0002-7150-5212Huanting Chen1https://orcid.org/0000-0001-7231-8454Wenjie Zhang2Xiaoxi Ji3Yan Yi4College of International Cruise and Yacht, Guangzhou Maritime University, Guangzhou, ChinaCollege of Physics and Information Engineering, Minnan Normal University, Zhangzhou, ChinaCollege of Physics and Information Engineering, Minnan Normal University, Zhangzhou, ChinaCollege of International Cruise and Yacht, Guangzhou Maritime University, Guangzhou, ChinaCollege of International Cruise and Yacht, Guangzhou Maritime University, Guangzhou, ChinaThe correlated color temperature (CCT) and color rendering index (CRI) are two significant indicators related to the color appearance and visual effects of illumination. This paper concentrates on dynamic dimming for phosphor-converted (PC) white LEDs to achieve tunable CCT and adequate CRI, via compensation of red/green spectra. The LED systems described have a simple configuration consisting of a PC white LED, a monochrome green LED and a monochrome red LED, which can be individually driven. Compared to individual PC white LEDs, both the spectral continuity and uniformity of the mixed white light are enhanced. The tunable dimming models are proposed by combination of spectral colorimetry and photo-electro-thermal (PET) theory, thus multi-physics effects are involved. From the modeling process and results, the nonlinear characteristics are observed. Experimental verifications present good agreement existing between calculations and measurements, both in terms of values and variation trends. These proposed models could be effective tools to figure out photometric characteristics and visual perception of illumination. On the other hand, they could provide schemes of reference to improve the illumination environment adapting to various special occasions and personal preferences.https://ieeexplore.ieee.org/document/10113714/Light-emitting diodes (LED)correlated color temperature (CCT)color rendering index (CRI)spectral compensationtunable dimmingspectral optimization |
| spellingShingle | Xuehua Shen Huanting Chen Wenjie Zhang Xiaoxi Ji Yan Yi Analysis and Tunable Models for Phosphor-Converted White Light-Emitting Diode Based on Spectral Compensation IEEE Photonics Journal Light-emitting diodes (LED) correlated color temperature (CCT) color rendering index (CRI) spectral compensation tunable dimming spectral optimization |
| title | Analysis and Tunable Models for Phosphor-Converted White Light-Emitting Diode Based on Spectral Compensation |
| title_full | Analysis and Tunable Models for Phosphor-Converted White Light-Emitting Diode Based on Spectral Compensation |
| title_fullStr | Analysis and Tunable Models for Phosphor-Converted White Light-Emitting Diode Based on Spectral Compensation |
| title_full_unstemmed | Analysis and Tunable Models for Phosphor-Converted White Light-Emitting Diode Based on Spectral Compensation |
| title_short | Analysis and Tunable Models for Phosphor-Converted White Light-Emitting Diode Based on Spectral Compensation |
| title_sort | analysis and tunable models for phosphor converted white light emitting diode based on spectral compensation |
| topic | Light-emitting diodes (LED) correlated color temperature (CCT) color rendering index (CRI) spectral compensation tunable dimming spectral optimization |
| url | https://ieeexplore.ieee.org/document/10113714/ |
| work_keys_str_mv | AT xuehuashen analysisandtunablemodelsforphosphorconvertedwhitelightemittingdiodebasedonspectralcompensation AT huantingchen analysisandtunablemodelsforphosphorconvertedwhitelightemittingdiodebasedonspectralcompensation AT wenjiezhang analysisandtunablemodelsforphosphorconvertedwhitelightemittingdiodebasedonspectralcompensation AT xiaoxiji analysisandtunablemodelsforphosphorconvertedwhitelightemittingdiodebasedonspectralcompensation AT yanyi analysisandtunablemodelsforphosphorconvertedwhitelightemittingdiodebasedonspectralcompensation |