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Article
Open AccessHyperspectral screen-image-synthesis meter with scattering-noise suppression
The screen image synthesis (SIS) meter was originally proposed as a high-speed measurement tool, which fused the measured data from multiple sample-rotational angles to produce a whole-field measurement result...
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Article
Open AccessPassive anti-leakage of blue light for phosphor-converted white LEDs with crystal nanocellulose materials
A phenomenon known as "blue-light leakage" caused by overheating pcW-LEDs has recently been identified, and it poses a risk to users. This study focuses on investigating and optimizing a solution to address th...
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Article
Open AccessStudy of banana preservation extension by UVC radiation in precise monitoring LED irradiation cavity
Ultraviolet C (UVC) radiation has been considered a possible option to alleviate the seriousness of black spots on bananas during preservation which help increase economic efficiency. In this study, using 275 ...
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Article
Open AccessActive thermal-fuse for stop** blue light leakage of white light-emitting diodes driven by constant current
In this study, we proposed and demonstrated a circuit design for solving problems related to blue light leakage (e.g., eye damage) when phosphor-converted white light-emitting diodes (pcW-LEDs) overheat. This ...
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Article
Open AccessDouble-frequency grating shearing interferometer with built-in phase-shifting function for robust multi-level phase retrieval
In this paper, we propose and demonstrate a novel interferometer and signal process to retrieve two-dimensional signals with multilevel phases. The interferometer is based on a shearing interferometry with dou...
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Article
Open AccessGaN-based mini-LED matrix applied to multi-functional forward lighting
In this paper, we propose and demonstrate to use of a single reflector with 68 segments to project vehicle low beam and high beam with the use of a GaN-based mini-LED matrix, which is a 5 × 6 LED die array. Th...
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Article
Open AccessAn edge-lit volume holographic optical element for an objective turret in a lensless digital holographic microscope
In this paper, we propose and demonstrate the use of an edge-lit volume holographic optical element (EL-VHOE) as a reference waveguide to reduce the volume of a lensless digital holographic microscope. Additio...
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Article
Open AccessImpact of multi-disciplinary treatment strategy on systolic heart failure outcome
Patients with reduced ejection fraction have high rates of mortality and readmission after hospitalization for heart failure. In Taiwan, heart failure disease management programs (HFDMPs) have proven effective...
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Article
Ultrasonography has high positive predictive value for medial epicondyle lesions among adolescent baseball players
Only few studies have investigated medial epicondyle (MEC) lesions, particularly in the 12–18 age group. To the best of our knowledge, no study has compared ultrasonography (US), radiography and magnetic reson...
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Article
Open AccessNoncontact and instant detection of phosphor temperature in phosphor-converted white LEDs
Phosphor-converted white light-emitting diodes (pc-WLEDs) have become a major light source in general lighting. To stabilize the photometric characteristics of pc-WLEDs, much effort has been made to manage the...
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Article
Evaluating posterior cruciate ligament injury by using two-dimensional ultrasonography and sonoelastography
This study aimed to elucidate the diagnostic criteria for posterior cruciate ligament (PCL) injury using ultrasonography.
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Article
Depletion and phase transformation of a submicron Ni(P) film in the early stage of soldering reaction between Sn-Ag-Cu and Au/Pd(P)/Ni(P)/Cu
The early stage of soldering reaction between Sn-3Ag-0.5Cu solder and ultrathin-Ni(P)-type Au/Pd(P)/Ni(P)/Cu pad was investigated by field-emission scanning electron microscopy (FE-SEM) in conjunction with fie...
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Article
Open AccessPackaging efficiency in phosphor-converted white LEDs and its impact to the limit of luminous efficacy
In this paper, we start from the study on the packaging efficiency of the phosphor-converted white LED via a new way to measure and calculate the blue light from the blue die to the encapsulation lens. Then we...
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Article
Glare effect for three types of street lamps based on White LEDs
This study is aimed to assess the glare effect from LED-based street lamps with three general optical designs, which are cluster LEDs with a single lens, a LED array accompany with a lens array, and a tilted L...
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Chapter and Conference Paper
RCGES: Retargetable Code Generation for Embedded Systems
With the integration of computer technology, consumer products, and communication facilities, the software in an embedded system now accounts for as much as 70% of total system functionalities. In this paper, ...
