News

C&EN4d
Efficient Deep-Blue Light-Emitting Diodes from Highly Luminescent Eu2+-Doped Alkali Metal Halide Nanocrystals via Lattice Field Modulation | Nano Letters - ACS Publications
Lead-halide perovskite nanocrystals (NCs) are promising for fabricating deep-blue (<460 nm) light-emitting diodes (LEDs), but their development is plagued by low electroluminescent performance and ...
Power Electronics World5d
VIPer11B chips make tiny low-cost power supplies
ST has announce the VIPer11B range of off-line high-voltage converters, which are said to make tiny, efficient, and low-cost ...
IEEE7d
A Constant Current Digital Control Method for Primary-Side Regulation Active-Clamp Flyback Converter - IEEE Xplore
Constant current controlled flyback converter is widely used in low power applications for its simple structure and low cost. In order to further improve the output power and the efficiency, ...
IEEE8d
Single Power-Conversion LED Backlight Driving System With High Power Factor Control | IEEE Journals & Magazine | IEEE Xplore
A single power-conversion LED backlight driving system with high power factor control is proposed. The proposed converter is composed of a full-bridge diode rectifier and a quasi-resonant flyback ...
C&EN17d
Nondoped Red Fluorophores with Hybridized Local and Charge-Transfer State for High-Performance Fluorescent White Organic Light-Emitting Diodes - ACS Publications
Two red fluorophores (TPABTPA and TPABCHO) with hybridized local and charge-transfer properties were systematically studied. TPABTPA and TPABCHO enabled nondoped organic light-emitting diodes (OLEDs) ...