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Sevda Aliparast and Sermin Onaygil
In this field study, we examined the impact of human-centered lighting on an open-plan office environment, involving the participation of sixty office workers. The objective was to investigate the effects of the Circadian Stimulus (CS) and Equivalent Mel...
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Chia-Man Chang, Ching-Wen Wang, Meng-Yuan Huang, Chung-I Chen, Kuan-Hung Lin and Chih-Pei Shen
In our previous work, we observed that Oncidesa Gower Ramsey ?Honey Angel? (HA) plants became stunned on hot summer afternoons, and the seasonal trend in solar radiation affected its production schedule by limiting flower yield and quality. The objective...
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Soon-Gyu Lee, Ankhnybayar Batdelger, Sang-Seok Yun and Sang-Geon Park
This study investigated the electro-optic properties of organic light-emitting diode (OLED) devices with the addition of an interlayer. A device with the perfluorododecyl-1H,1H,2H,2H-triethoxysilane?perfluorotetradecyl 1H,1H,2H,2H-triethoxysilane mixture...
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Viktorija Va?takaite-Kairiene, Sigita Jurkoniene, Neringa Rasiukeviciute, Rasa Karkleliene and Giedre Samuoliene
This study aims to evaluate the influence of the pre-harvest light-emitting diode (LED) spectrum on the metabolic indices in microgreens during post-harvest storage. Broccoli ?Micro Green? and kale ?Dwarf Blue Green? microgreens were cultivated in a grow...
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Jun-Young Park, Soo-Jong Park and Byeong-Kwon Ju
We analyzed the degradation features by measuring the capacitance?voltage characteristics after electrically aging blue thermally activated delayed fluorescence (TADF) organic light-emitting diodes (OLEDs). The measurement was investigated in terms of th...
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Yong-Sin Syu and Yung-Chun Lee
This paper proposes a lens design method for effectively collimating the light emitting from a light-emitting diode (LED). This collimating lens contains two aspherical lens surfaces which can be mathematically characterized using a few designing paramet...
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Vasileios Cheimaras, Athanasios Trigkas, Panagiotis Papageorgas, Dimitrios Piromalis and Emmanouil Sofianopoulos
During a ship evacuation, many people panic as they do not know the direction that leads to the emergency muster station. Moreover, sometimes passengers get crowded in corridors or stairs, so they cannot save their lives. This paper proposes an IoT-enabl...
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Fadi R. Shahroury, Hani H. Ahmad and Ibrahim Abuishmais
This work presents various essential features and design aspects of a single-inductor, common-output, and multi-string White Light Emitting Diode (WLED) driver for low-power portable devices. High efficiency is one of the main features of such a device. ...
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Ziqi Peng, Hongzi Bai, Tatsuo Shiina, Jianglong Deng, Bei Liu and Xian Zhang
LED (light-emitting diode)-lidar (light detection and ranging) has gradually been focused on by researchers because of its characteristics of low power, high stability, and safety to human eyes. However, LED-lidar systems are easily disturbed by backgrou...
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Sunghwan Kim and Haiyoung Jung
This study is about an improved high-quality light-emitting diode (LED) converter for a T8 LED tube. The converter is separated into the AC driving circuit and DC driving circuit. Also, the LED tube was applied with an output ripple eliminator for the op...
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