Re: question on LED-backlit displays
Re: question on LED-backlit displays
- Subject: Re: question on LED-backlit displays
- From: Robin Myers <email@hidden>
- Date: Sun, 17 Jun 2007 18:53:08 -0700
On Jun 17, 2007, at 18:44 , Roger Breton wrote:
A "white" LED typically has
a broadband response from the phosphor with a peak in the blue,
making a wide gamut display a challenge.
Graeme Gill.
Please excuse my ignorance, Graeme, but I thought only CRTs used
phosphors.
Roger Breton
Perhaps you missed the message earlier today where I posted:
Most high-brightness LEDs used for backlighting are "white" LEDs. The
actual LED chip is a blue LED coated with a blue light excited yellow
emitting phosphor. The phosphor allows some of the blue light to pass
through so the result is blue plus yellow light, thus "white".
Robin Myers
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