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> The blue LED, with its narrow wavelength, enabled all sorts of modern tech, from the Blu-ray disc to flat-screen monitors. I don't think the part about monit
by Const-me 4y ago
> The blue LED, with its narrow wavelength, enabled all sorts of modern tech, from the Blu-ray disc to flat-screen monitors.
I don't think the part about monitors is true. For a first few years on the market, flat-screen monitors used fluorescent lamps for backlight, specifically CCFL. Backlight made with white LEDs arrived a decade later.
- newaccount74 4y agoThat's true. Man, those CCFL backlights sucked. They grew dimmer and dimmer, and replacing the millimeter thick lamp was a nightmare. The high voltage inverter was also prone to fail. LED backlit screens are so much more reliable!