Resource - Yujileds - Page 5

New LED series of enhanced deep red + near-infrared spectrum.

New LED series of enhanced deep red + near-infrared spectrum.

With Yujileds phosphor and packaging technology, this specialized LED is available now. Extended 50% in 600nm-800nm than a standard LED and the homogeneous spectral power distribution achieves 90+ CRI...

Read more about the note

Is “dual-chip” in one package still the best solution for improving efficacy?

Is “dual-chip” in one package still the best solution for improving efficacy?

The “dual-chip” is indeed helpful to the flexible design of series or parallel, especially in the luminaire like an A60 bulb, and driving at low current with multiple-chip is generally considered ...

Read more about the note

Color Appearance Models (Third Edition) by Mark D. Fairchild Page 57-59: Basic and Advanced Colorimetry – The Triangle of Color

Color Appearance Models (Third Edition) by Mark D. Fairchild Page 57-59: Basic and Advanced Colorimetry – The Triangle of Color

Color exists due to the interaction of light sources, objects, and the human visual system.The first requirement is a source of visible electromagnetic energy necessary to initiate the sensory process...

Read more about the note

Yuji lauched 36W high color rendering light

Yuji lauched 36W high color rendering light

High Color Rendering (Ra＞95) & NO Hum, one of the best lighting for photographic applications. The results comes from Japanese photographer 新藤修一 who just tested a High CRI 95+ LED Corn B...

Read more about the note

How to build a high-quality illumination lamp for color samples and prints?

How to build a high-quality illumination lamp for color samples and prints?

It is great to cooperate with BabelColor, the industrial experts in software, measurement and analysis of color. The lamp is made with Yujileds full-spectrum tunable white LED panel, creating the illu...

Read more about the note

Understand the benefit and harm of UV

Understand the benefit and harm of UV

The different UV light brings different benefits For most people, the first use of UV light is often the time to verify the authenticity of banknotes. Banknote under UV-A This ...

Read more about the note

MDER, a metric that helps with your lighting design for concentrating

MDER, a metric that helps with your lighting design for concentrating

What is MDER and how does it work?MDER is the abbreviation of Melanopic Daylight Efficacy Ratio, which is defined by the CIE and introduced in the CIE S 026/E:2018 document. Also called the Melanopic ...

Read more about the note

Understanding the blue light hazard

Understanding the blue light hazard

What is exactly the blue-ray hazard? Blue light is a kind of high-energy short wave visible light (HEV), which refers to the blue part of visible light. Its harm is mainly concentrated in the 380 nm ~...

Read more about the note

High CRI LED vs high CRI OLED, which do you choose?

High CRI LED vs high CRI OLED, which do you choose?

OLED (Organic Light-Emitting Diode) is no longer a novelty, it is already widely known since display screens of television, mobile phone started with it earlier, now the general lighting ...

Read more about the note

Are CRI and luminous efficacy influencing the Photon Efficacy?

Are CRI and luminous efficacy influencing the Photon Efficacy?

Customers ask for high CRI LED for their plant growth projects at times, and sometimes this confuses us that why a well color rendered LED for human vision is also desired for plant growth? In or...

Read more about the note

HOME PAGE < 1 … 3 4 5 6 7 … 11 > LAST PAGE