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It was almost impossible to make the blue LED [video]

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Re: It was almost impossible to make the blue LED [video]

#71

As someone who has trouble sleeping and particularly needs dark sleep I wish it had been impossible to make a blue LED.

I wonder if there is a part that could replace signaling LEDs without emitting their own light. I think transflective LCD could work like that. Make it small, round and with two contacts like a diode.

Re: It was almost impossible to make the blue LED [video]

#72
post #2

Assuming everything is reported fairly, I really can't imagine being Nichia's customer. Ever. Sacking and not compensating the employee that single-handedly made Nichia successful by inventing a working blue LED and saving Nichia from bankruptcy is just not acceptable.

The Nichia 519A is a one of the favourite LEDs in the enthusiast flashlight world.

It's a high CRI quite bright LED, and I have to shamefully admit that I specifically specced a light in the past with this LED.

Before I knew about this, that is.

Example write-up to see what flashlight nerds talk about: https://budgetlightforum.com/t/nichia-519a/64360/43

Re: It was almost impossible to make the blue LED [video]

#73
post #61

Earlier quoted context omitted.

Ok, let me maybe phrase it as a question. Had he not invented the blue led, would he be telling everyone his childhood in the fishing village made him love the color blue, or would that inspiring memory not exist or maybe not be so significant?

Who cares? Its a weird gotcha to get hung up on.

Doesn't look like he is dying on any hills to me. I agree with him, it's a funny small lie that is really common and people rarely notice.

Re: It was almost impossible to make the blue LED [video]

#74
post #63
post #2

Assuming everything is reported fairly, I really can't imagine being Nichia's customer. Ever. Sacking and not compensating the employee that single-handedly made Nichia successful by inventing a working blue LED and saving Nichia from bankruptcy is just not acceptable.

They didn't sack him, he quit for better pay. In Japan companies rarely sack employees and employees rarely quit. People are expected to stay with the same company basically their whole life. That's why he didn't get fired for disobeying orders. Firing someone in Japan is somewhat socially taboo (just like quitting) and therefore rare. In Japan, companies are considered to be like "family". It would be kind of a joke…

That's sort of true (less so these days), but it's also quite common for companies to treat undesired people like crap in order to drive them to quit. It's what they do instead of firing in the lifetime employment model -- you've been promoted to head of the floor-sweeping department. Ganbatte!

I don't know if that was going on here, but it sure sounds like it. (It could also be that the actual story is completely different than reported here, of course.)

Re: It was almost impossible to make the blue LED [video]

#78
post #66

Earlier quoted context omitted.

Ok, let me maybe phrase it as a question. Had he not invented the blue led, would he be telling everyone his childhood in the fishing village made him love the color blue, or would that inspiring memory not exist or maybe not be so significant?

You’re acting like he’s actively going around saying “Hey! Guess what my favorite color is? It’s blue! And I invented the blue LED, isn’t that a coincidence? And by the way, I loved the blue of the ocean since I was a kid!” He simply answered a question Derek asked and followed it up by saying that he probably likes blue because of the ocean’s color. It doesn’t even have anything to do with the LED. Weird hill to die…

This childhood detail about his experience with the color blue being revealed is what makes a good interview.

Re: It was almost impossible to make the blue LED [video]

#79
post #70
post #22

Earlier quoted context omitted.

You could, you know, tape over them or something, about 5 mins of work.

I put a few layers of kapton tape on my monitor LED, so the bright blue is now a dull green, and the orange standby color looks the same.

Cool!

Re: It was almost impossible to make the blue LED [video]

#80
post #44

Which is why I was always baffled by the decorative lights in my old office. It was a wall with small scattered lights in different colors, so they used recessed LEDs. Fine. But instead of color LEDs with a neutral diffuser, it had red+green+blue triple LEDs to make white light, with a red/green/blue plastic in front to recolor it! I understand how this could be cheaper to assemble or maintain, but I'll never not bal…

Are you sure they were RGB triplets and not white LEDs? Either way, is fun to imagine continuing this - grouping three of these filtered LED lights to make a new white light source, which you can then again filter with translucent plastic, etc!
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