Search Results - "Light-emitting diode

Influence of light emitting diode (LED) on microalgae by Al-Amshawee, Sajjad, Mohd Yusri, Mohd Yunus

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An efficient self-configurable driver for color light emitting diode by Shaheer Shaida, Durrani

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Modelling of the Light Emitting Diode (LED) Heating/Cooling Process by Loo, Chee Meng

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Influence Of Light Emitting Diodes On Dendrobium Hybrid Orchid Plantlets by Yeow, Lit Chow

“…The engagement of light-emitting diode (LED) permits the adjustment of light profile and aids in fostering growth and development of in vitro cultures, as narrow light spectrum is anticipated to induce photomorphogenesis. …”
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Passive distance measurement using low power light emitting diode by Nor Nazirah, Saidon

“…This thesis is about distance measurement system using a low cost and less power consumption of light emitting diode (LED). In this project, a passive distance measurement technique is applied and an object with flat surface is created from monochromatic light source in a controlled illumination level of surrounding that is used for image processing.…”
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Simulation And Performance Studies Of Thermally Efficient Light Emitting Diodes Drivers by Mohd Supian, Norazlina

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A review of leakage current mechanism in nitride based light emitting diode by Hedzir, Anati Syahirah, Muridan, Norasmahan, Hasbullah, Nurul Fadzlin

“…We review the dominant mechanism and characteristics which give rise to the existence of forward and reverse leakage current in nitride based light emitting diode (LED). The existence of leakage current can affect the reliability and efficiency of LED. …”
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Optical and Electrical Properties of Organic and Polymer Layers of Light Emitting Diode Structure by Lim, Mei Yee

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Light emitting diode (led) chip fabrication using low temperature processes by Tahan, Muliana, Nayan, Nafarizal, Bakri, Anis Suhaili, Rizan, Elfa Rizon

“…Commercial light emitting diode (LED) chips are fabricated using metal organic chemical vapor deposition (MOCVD) process, which require high temperature process of above 1000 degree Celsius (◦C). …”
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Study Of Glaring Effect From Light Emitting Diodes Via Lens Approach by Kee, Jocelynn Xiao Ying, Lim, Way Foong

“…The purpose of this study was to evaluate the glaring effect from light emitting diode (LED) streetlights using two different brands of lenses. …”
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Lumen Maintenance And Trend Predictions For Light-Emitting Diodes Using Regression Analysis by Tan, Kai Zhe

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Fabrication Of Deep Green Light Emitting Diode On Bulk Gallium Nitride Substrate by Rais, Shamsul Amir Abdul, Hassan, Zainuriah, Bakar, Ahmad Shuhaimi Abu, Yusuf, Yusnizam, Taib, Muhamad Ikram Md, Sulaiman, Abdullah Fadil, Hussin, Hayatun Najihah, Keiji, Nagai, Ahmad, Mohd Fairus, Yuka, Akimoto, Dai, Shoji

“…In this study, we had grown a full Light Emitting Diode device with the MQW layer at a relative high temperature for green LED with indium pre-flow at the top of n-type layer just beneath the MQW using Metal Organic Chemical Vapor Deposition (MOCVD). …”
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Study Of Glaring Effect From Light Emitting Diodes Via Lens Approach by Kee, Jocelynn Xiao Ying, Way, Foong Lim

“…The purpose of this study was to evaluate the glaring effect from light emitting diode (LED) streetlights using two different brands of lenses. …”
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Experimental Investigation On The Effect Of Epoxy On The Encapsulation Process In Light Emitting Diode Manufacturing by Muniary, Kaalidass

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Growth, antioxidant activity and volatile compounds of lemon basil (Ocimum citriodorum Vis.) affected by led irradiance, nutrient concentration and postharvest stroge. by Mat Daud, Zurafni

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Effect of electron irradiation on the electrical and optical characteristics of gallium-nitride light emitting diodes by Hedzir, Anati Syahirah, Muridan, Norasmahan, Yusof, Abdullah, Hasbullah, Nurul Fadzlin

“…We study the effect of electron irradiation on the electrical and optical characteristics of commercial gallium-nitride light emitting diodes in the fluence region from 1015 to 1017 electrons/cm2. …”
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Enhanced reliability by diamond-like carbon in single-layer organic light emitting diodes by Yap, S.-S., Yang, R.-B., Yow, H.-K., Tou, T.-Y.

“…Diamond-like carbon (DLC) layers with thickness of 1.5 nm were incorporated, by pulsed laser deposition technique, in organic light emitting diodes (OLEDs), which consisted of a single light-emitting layer of polystyrene (PS) as the host material, but co-doped with N,N'-diphenyl-N,N'-bis(3-methylphenyl)-1,1'-biphenyl-4,4'-diamine (TPD) and Tris-(8-hydroxyquinoline)-Aluminium (Alq(3)). …”
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Development of mid-infrared light-emitting diodes for low-power optical gas sensors by Meriggi, L., Steer, M., Ding, Y., Thayne, I., MacGregor, C., Ironside, Charlie, Sorel, M.

“…This work presents the experimental investigation of different techniques to improve the electrical and optical performance of mid-infrared antimonide-based semiconductor light-emitting diodes. A study of the current crowding effect, supported by spatially-resolved photocurrent measurements, allows the design of an optimal contact geometry. …”
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Digital Fuzzy Current Controlled Light-Emitting Diode Driver with Power Factor Correction by Veerendra, A. S., A. A., Shah, M., SubbaRao, Mohd Rusllim, Mohamed

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Simulation On Performance Of Gan-Based Light Emitting Diodes With Varied Geometry And Contacts Design by Othman, Muhammad Firdaus

“…The main objective of this research is to minimize the current crowding problem inside GaN-based Light Emitting Diode (LED). Self heating effects and low radiative recombination are among the consequences that restrict the true potential of high electrical and optical performance of LED. …”
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