Talk:Wolfspeed

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LED bin codes

Summary guide to Cree bin codes (and competition):

http://www.candlepowerforums.com/vb/showthread.php?t=156772

-96.237.11.69 (talk) 04:04, 14 June 2009 (UTC)[reply]

Update

It would be a good idea to update this; Cree now claims the XP-G does 111 lumens/watt at 1 Ampere. [1] I can tell you , these make a wicked good flashlight for a one AA-cell light. --Wtshymanski (talk) 21:51, 4 November 2010 (UTC)[reply]

Advert tag

The article still doesn't seem to flow well, but ... I deleted info that seemed only relevant to Cree stakeholders, and added a bit on WHY Cree is broadly significant. Lonestarnot (talk) 04:42, 3 November 2011 (UTC)[reply]

new record

231lumen/watt

http://www.cree.com/press/press_detail.asp?i=1304945651119 — Preceding unsigned comment added by 80.136.219.92 (talk) 00:59, 25 November 2011 (UTC)[reply]

NPOV

I reckon several sections of the article read like an advert for the company. Especially " Cree is noted for their improvements in light emitting diode (LED) technologies. A recent example of Cree's LED innovation was their February 2010 announcement of a prototype white LED that can produce a record-setting 208 lumens per watt while drawing 350 mA of current, nearly 14 times the efficiency of a typical incandescent light bulb.[3]". I suggest deleting the paragraph. — Preceding unsigned comment added by Falmer5 (talk • contribs) 17:47, 20 August 2012 (UTC)[reply]

You're right: a lot more in this article needs purging than that one paragraph, although it's the most egregious example of WP:SPAM and remains unchanged more than eight months after this comment was posted. In the five edits since then, not one promotional word has been removed from this article, but a few new ones have been added. I'm going to start cutting. The folks at Cree have a right to be proud of their accomplishments, but Wikipedia is not their free billboard.—Jim10701 (talk) 16:51, 28 April 2013 (UTC)[reply]

Accuracy

The article claims Cree "In 1989, the company introduced the world's first blue LED", however, this BBC item http://www.bbc.co.uk/news/science-environment-29518521 tends to disagree, stating "The 2014 Nobel Prize for physics has been awarded to a trio of scientists in Japan and the US for the invention of blue light emitting diodes (LEDs). Professors Isamu Akasaki, Hiroshi Amano and Shuji Nakamura made the first blue LEDs in the early 1990s"

195.59.147.60 (talk) 17:15, 1 November 2016 (UTC)[reply]

The part about the worker death and state investigation is accurate. I am a Wolfspeed employee who was present the day it happened. Multiple news organizations as well as the state can confirm it's validity. Zebbb (talk) 18:48, 4 February 2023 (UTC)[reply]

What is the feature that makes a Cree LED so much better than other LEDs?

My heading for this section may not be the best--let me try to amplify--I have several complaints.

A "not intended to be advertising statement": the label Cree seems to have significant impact and recognition in the marketplace--when I go looking for LED flashlights, the high output flashlights are often labeled as having a Cree LED, although, perhaps there are generic (or other proprietary) competitors being used , but mis-labeled as Cree.

In view of this name recognition, I came to Wikipedia to find out what significant design feature allows them to have so much higher output than their predecessors and competitors. (My guess is that they have an array of LEDs on one (presumably) silicon die (that is: not cut apart for sale of individual LEDs).)

In neither this article on Cree (Inc.) nor in the Light-emitting_diode article have I found anything to answer that question.

Again, in view of the market impact of the name Cree (I'd somewhat liken it to (an early version of) the market impact of "Kleenex"), I think this article should either address the Cree-style technology or refer to an article that does. (Conceivably: "Cree-style LED")

In that article, state any disclaimers needed to satisfy the Wikipedia prohibition against advertising. If Cree was not the originator of the relevant techniques, mention that. Mention one or more significant patents, with reference to the patent numbers, at least a US patent number, which, I assume (I know) is a useful reference even in the UK.

Wherever you put this information, add a link in this article to that information.

Thank you! Rhkramer (talk) 16:30, 24 February 2016 (UTC)[reply]

External links modified

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External links modified

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Statement makes it seem like SiC was not able to be synthesized in 1987.

"Most of its products are based on silicon carbide (SiC), a rare, naturally occurring mineral compound which early Cree researchers successfully synthesized in a laboratory"

Makes it seem like SiC couldn't be synthesized in 1987 when Cree was founded or that it's synthesis was a major accomplishment. SiC has been mass produced since the 1890's. Cciechad (talk) 19:30, 12 December 2016 (UTC)[reply]

They figured out how to grow SiC boules with high crystallinity which are suitable to be cut into wafers. Previous SiC produced was polycrystalline (eg, for brake pads). — Preceding unsigned comment added by 8.42.18.10 (talk) 19:42, 30 March 2021 (UTC)[reply]

Requested move 29 January 2021

The following is a closed discussion of a requested move. Please do not modify it. Subsequent comments should be made in a new section on the talk page. Editors desiring to contest the closing decision should consider a move review after discussing it on the closer's talk page. No further edits should be made to this discussion.

The result of the move request was: Moved (non-admin closure) (t · c) buidhe 05:43, 14 February 2021 (UTC)[reply]

Cree Inc. → Wolfspeed – Name change announced. — Vchimpanzee • talk • contributions • 16:56, 29 January 2021 (UTC) —Relisting. — Twassman [Talk·Contribs] 03:29, 7 February 2021 (UTC)[reply]

Oppose No source has been provided, and going to the website still refers to Cree Inc. A Wolfspeed logo is present as well right next to the Cree logo, but I don't know if it was there before or not. -2pou (talk) 09:57, 6 February 2021 (UTC)[reply]
Support There is news about it. All you had to do is search Google news. See here and here. Expertwikiguy (talk) 05:24, 7 February 2021 (UTC)[reply]

The discussion above is closed. Please do not modify it. Subsequent comments should be made on the appropriate discussion page. No further edits should be made to this discussion.

Edit that downplays labor investigators.

Hi there, it feels like in the final selection with labor violations, there was an edit trying to downplay the labor incidents. Should we revert this? The edit is 22:09, 7 March 2023‎ 65.190.89.136. 152.38.107.129 (talk) 14:37, 29 March 2023 (UTC)[reply]

Seems like it does significantly downplay the labor incidents. It's unclear how someone should evaluate the referenced number of violations (5400) by "hundreds of other local companies" since the numbers are not really directly comparable. 20after4 (talk) 01:16, 1 September 2024 (UTC)[reply]

Currently the article still said

"During the same time period, the Raleigh NC OSHA office completed over 5,400 investigations that resulted in one or more violations for hundreds of other local companies."

(ref) ((Cite web |website=OSHA |title=Establishment Search Results |date=2023-03-07 |url=https://www.osha.gov/ords/imis/establishment.search?p_logger=1&State=NC&Office=453710&p_case=closed&p_violations_exist=yes&startyear=2012&endyear=2023 |access-date=2023-03-07)) (/ref)

I've taken it out, because a fair comparison with other companies of comparable size should quote an average, or better a median, and not just "one or more violations". It's brings no additional value to the article, if you can't tell whether Cree was particularly bad, or maybe below average in incidents.

--BjKa (talk) 10:31, 23 October 2024 (UTC)[reply]

Incidents : Timeframe

The article used the wording "In the past 10 years", which is obviously idiotic for an encyclopedia. I had a look at the linked source, but didn't understand it. I therefore put the dates used in the URL into the article. Feel free to correct me, if you have a better understanding of what's going on here, but in any case don't use relative dating in an encyclopedia! (offtopic: I also find it a pest in any other application, like Youtube or instant messaging. Just use proper hard dates, and not soft comfy figures of speech that grow outdated as you watch, or need to be changed all the time.) --BjKa (talk) 10:31, 23 October 2024 (UTC)[reply]