This invention provides a class of organometallic complexes comprising a tridentate isoquinoline-pyridine-benzene based ligand, a mono-dentate ligand and a platinum (II) center which show high emission quantum efficiency and good thermal stability. This invention also discloses organometallic comple.....
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A novel class of saturated or conjugated dendrimers containing at least one strong .sigma.-donating group coordinated to cyclometalated tridentate gold(III) compounds having the chemical structure depicted by generic formula: ##STR00001## wherein: (a) [Au] is a cyclometalated tridentate gold(III) gr.....
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Fluorescent lamp is a common form of illumination in offices, public areas and even households. However, it is much harder to provide dimmable control for fluorescent lamps when compared with incandescent ones. A new method is now invented in achieving control over dimming function for fluorescent.....
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This Invention Provides A Class Of Organometallic Complexes Comprising A Tridentate Isoquinoline-Pyridine-Benzene Based Ligand, A Mono-Dentate Ligand And A Platinum (Ii) Center Which Show High Emission Quantum Efficiency And Good Thermal Stability. This Invention Also Discloses Organometallic Comple.....
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A driving method for improving luminous efficacy of a light emitting diode (LED), the method comprising: periodically switching a DC current supplied to the LED between a high current level lH and a low current level lL, the low current level lLbeing fixed at zero or raised above zero to produce a D.....
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