Ultimate LED Bulbs - Ultra High CRI - The Honorable Quest

These were tested a while ago. Some of these lights I don’t have anymore but I will try to measure them. In the future, I will include the R12 value.

Btw, you are missing the DUV in your spreadsheet for the GE 31892. For many people, the DUV is as important as the CRI.

Guys, the idea of create the “Ultimate LED Bulb” with the highest currently possible light quality and good efficiency is great but also very complex. Doing this fully legally will be completely unprofitable. Fulfilling all the international requirements and legal restrictions will be impossible in reasonable budget. The cost of testing in certified laboratories (notified body) is enormous. For example to meet CE requirements and “sleep like a baby” (just for Europe) confirmed by a certified unit is about 3-5 thousands euros just for one product. Single small company can declare CE by itself, but need to fulfill all the require harmonized norms (find all of them, buy, study and confirm their fulfillment) for specified product. In this case need to pay only for EMI/RFI testing and basic spectrophotometric measurements. I don’t even want to think about the details of the US market requirements :person_facepalming:

From what I see, Hyperikons’ isn’t exactly “ultra high CRI”, but rather on the 9050 or “high CRI” weight class (which is why it is relatively much cheaper than the rest).

It’s safe to expect (in most cases) from what it says on the tin:

Ra 80+ => R9 0-20
Ra 90+ => R9 50-80
Ra 95+ => R9 70+

Got a response from customer service. They say it’s CRI90. I’ll have to pick one up to test.

Yeah, certifications processes does not welcome small new players. If we find a nice product defintion ourselves, and receive interest from a manufacturer it would be less of a problem still.

And if we keep this as "hobbyists", are we completely hand tied by that?

Starting from which point (I guess wich "sale" number) do we need to do it fully legally (answers could varyies country to country I guess)?

What is sought by those certifications? Be sure to have safe product connected to mains?

Would proceeding and offering to some members an officially uncertified product put builders/buyers in legal risk or as long as we keep low profile and have low numbers are we safe?

Meanwhile, I can announce that I'm pleased to have received some interests by a manufacturer to test their current products. And I'm currently organising some bulbs shipments to Maukka for tests. Let's cross fingers.

It’s not quite so hopeless, there are options.
A) Convince a manufacturer to work with us and foot the bill. (Hardest)
B) Create a DIY Project for an existing bulb. (there are no laws against modding)
C) Create a DIY Project by selling the bulb in two separate pieces. (So it can be called DIY)

I was browsing info on SSC SunLike LED offering, when I stumbled upon the "sunlikelamp" website, that seem russian based, and their "configurable" bulbs:

  • E27/E14/GU10/GU5.3
  • Multiple reflectors/lens choices from 30° to 120°
  • 6 to 50W
  • 3200K / 4000K / 5000K / 5600K
  • They claim ultra high CRI for each CCT, measurement said to be performed by "lamptest.ru".
    • For instance @4000K it's Ra 99 / R9 97 / R12 98 / Rf 97...
    • So from the company name and those results I safely assume they are currently using thos SSC/Toshiba SunLike dies.

Just have a look:

Judging only by the look of it, I think it fits our "DIY uncertified product" category we were discussing earlier. And this "boutique" products seems really interesting.

Mail sent.

We can stop the development then :person_facepalming:

No need to be sad djozz, you know what they says: it is not the journey that is important, but the destination... Wait, do I have it reverse?

Anyway, I had a great chat with Adam, the man behind the "SunLikeLamp" russian boutique and he would be okay to send us a bulb for review. Calling out @maukka on that one: are you in to test?

Can you share some specs and price? I can’t read or translate their russian images on the website. But it seems $22 gets you a ultra high CRI bulb?

There's an english version of the website if you hit the little UK flag on the top rightish.

Quick sum up:

  • a range from 6 to 50W, from 19$ to 100$
  • choices between SSC's SAWS0661A (more efficient and a bit more lumen) and SOL1306SXX (a bit better CRI) dies
  • you can also refer my previous posts for a bit more detailled specs

And yes, with 19$ you get what I expect to be an ultra high CRI 6W bulb, and what I really look forward to see tested here. For 21$ a 10W, 29$ a 12W, and so on up to 50W.

from 16$ for 6w model w/o shipping :stuck_out_tongue:
Also I am going to start SunLike∞ model for 11€ for 8 real watts, because I think that use ordinary “fake white” LEDs it is a crime.
Also I am going to start manufacturing head flashlight with sunlike led (12w). There some enginering tasks, for example 35v on the LED.
Excuse me for english version of my web-site. I am alone for all types of jobs.
About my lampman’s craft here - use translator






some photos of my crazy projects you can find here

Welcome to BLF, SunLike! I hope you have a nice time here :slight_smile:

Welcome SunLike! I skimmed your YT video and I think you are going to like it here :slight_smile:

Those spectra look like they have both blue and violet emitters in them, combined with top of the line phosphors. R9 and R12 are both superb.

Welcome here Adam!

Seoul Semiconductor/Toshiba's SunLike range is clearly top of the class colorimetry wise, very close to Optisolis levels results I saw in the past. SOL3000K and SOL4000K are veeeery appealing.

I did a “BLF-type” test on one of the SunLikes here: SunLike 3500K 95+ CRI midpower led from Seoul Semiconductors tested

Subscribed.

Does anybody know where to buy that SOL1306SXX COBs?
Seems absent from “mainstream” marketplaces (aliexpress, taobao, ebay,…) :frowning:

From me =) They still do not have markets. They sell directly to manufactures. In this moment there is 2 manufactures on SOLs in the world/flat eaarth. Me and some huge sindicate in China. But you can not buy their poor products on ali or tao or etc.
I am so small, that I have no workers still =) But I am going…

Adam, can you sell BLF members bare emitters?