Quantum rod, quantum rod film comprising same and display device
A technology for display devices and quantum rods, which is applied in the direction of instruments, luminescent materials, chemical instruments and methods, etc., can solve problems such as the inconsistency of emission peaks of blue light backlight sources, and achieve improved luminous efficiency and reliability, improved performance, and high excitation efficiency Effect
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[0022] see figure 1 , The disclosure provides a quantum rod 100, which includes a core 10 composed of cadmium sulfide, a shell layer 20 composed of zinc selenide, and a rod-shaped protective layer 30 composed of zinc sulfide. The shell layer 20 covers the core 10 to form a core-shell quantum dot 25 . The rod-shaped protective layer 30 covers the core-shell quantum dots 25 . In this embodiment, the core-shell quantum dots 25 are close to one end of the rod-shaped protective layer 30 . In one embodiment, the core-shell quantum dots 25 can be located anywhere in the rod-shaped protective layer 30 .
[0023] see figure 2 , the excitation wavelength of the core 10 composed of cadmium sulfide is about 445-450nm and the excitation peak is about 450nm, which is similar to the emission wavelength 447-452nm of the blue light-emitting diodes in commonly used blue light backlights. The core 10 emits blue-green light after being excited. The shell layer 20 composed of zinc selenide r...
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