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High-Quality Lights and Lighting Systems: Parametrization, Design and Optimization

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Optics and Lasers".

Deadline for manuscript submissions: 20 July 2025 | Viewed by 1900

Special Issue Editor

Faculty of Electrical Engineering, Białystok University of Technology, 15-351 Białystok, Poland
Interests: light; lighting; light pollutions; energy efficiency; light and color; colorimetry; photometry; measurement of optical radiation; circadian radiation; light color quality; light sources; LEDs; SSL—solid state lighting; luminaires; lighting design
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The Special Issue is dedicated to the field of illumination and lighting parametrization, design, and optimization. 

Lighting is more than illumination; it is a critical element in creating functional, sustainable, and aesthetically pleasing environments. 

We seek pioneering research, original articles, and exhaustive reviews that concentrate on superior, innovative methodologies for lighting solutions. 

This Special Issue aims to explore energy-efficient solutions to non-visual effects on human health with technological advancements and multidisciplinary research.

The desired topics, but are not limited to, the following:

  • Lighting quality parameters of light sources;
  • Photometric and colorimetric parameters of LEDs;
  • Non-visual parameters of lighting;
  • Interior and exterior lighting.

Dr. Irena Fryc
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Applied Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • lighting
  • non-visual effects
  • light pollution
  • color quality
  • photometry

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Published Papers (2 papers)

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Research

13 pages, 4176 KiB  
Article
Effects of Illuminance Level of Light Source on White Appearance of a Tablet Display
by Hsin-Pou Huang, Hung-Chung Li, Yu-Ming Fei and Minchen Wei
Appl. Sci. 2025, 15(3), 1288; https://doi.org/10.3390/app15031288 - 26 Jan 2025
Viewed by 726
Abstract
The appearance of white significantly impacts display image quality, requiring a neutral white point for optimal performance. This study explores how perceived whiteness changes under ambient illumination levels (150, 300, 600, and 1200 lx) and correlated color temperatures (3500 K and 6500 K). [...] Read more.
The appearance of white significantly impacts display image quality, requiring a neutral white point for optimal performance. This study explores how perceived whiteness changes under ambient illumination levels (150, 300, 600, and 1200 lx) and correlated color temperatures (3500 K and 6500 K). As a result, the adapted white points of light sources with different correlated color temperatures are similar at lower ambient illuminance levels. In comparison, their adaptation trends exhibit significant differences at higher illuminance levels. At 150 lx, adapted white points for 3500 K and 6500 K light sources shift toward higher color temperatures and converge. With increased illumination, the 3500 K white point shifts toward its light source, while the 6500 K white point shifts to a higher correlated color temperature. The neural network-based prediction model developed in this study accurately forecasts perceived whiteness across conditions, offering valuable design guidance for the display and lighting industries. Full article
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14 pages, 7073 KiB  
Article
Color Quality Versus Energy Efficiency: A Dual Perspective on LED Retrofits in Healthcare Examination Rooms
by Irena Fryc, Maciej Listowski and Christophe Martinsons
Appl. Sci. 2025, 15(2), 756; https://doi.org/10.3390/app15020756 - 14 Jan 2025
Viewed by 899
Abstract
Selecting LED retrofits for examination rooms in healthcare buildings involves setting the right balance between lighting quality and energy efficiency. In the case of LEDs incorporated in luminaires used in medical examination rooms, it is essential to consider not only the correlated color [...] Read more.
Selecting LED retrofits for examination rooms in healthcare buildings involves setting the right balance between lighting quality and energy efficiency. In the case of LEDs incorporated in luminaires used in medical examination rooms, it is essential to consider not only the correlated color temperature (CCT) and color rendering index (CRI Ra) in compliance with the lighting standards, but also the cyanosis observation index (COI) that meets the more demanding regulations of certain countries. In this work, the Color Preference Criteria (CPC) method is used to select LED retrofits for this application. The LEDs classified as P1 according to the CPC method were found to meet the required COI level. Full article
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