Declaration of 3nh & TILO Mail Declaration of 3nh & TILO Mail
Shenzhen 3NH (ThreeNH) Technology Co., Ltd. Shenzhen TILO Technology Co., Ltd., hereby declare we only use the domain name suffix enterprises email address ( and to contact you....
3nh Products Have Got CE Certificate 3nh Products Have Got CE Certificate
CE-certification or CE Marking is a conformity marking consisting of the letters CE. The CE Marking applies to products regulated by certain European health, safety and environmental protection legislation. The CE Marking is obligatory for...
Human Eyes to Distinguish Colors Human Eyes to Distinguish Colors
The color difference unit, NBS, is derived from the unit of color difference formula which is established by Judd-Hunter. In 1939, the American Bureau of Standards adopts this color difference formula and calculates the color difference acc...
The Color of Objects The Color of Objects
There are three major elements to perceive color: light, object and observer. Any change of these three elements will influence the observers color perception. When the light source and the observer dont change, then the object will determi...
CIE Standard Observers CIE Standard Observers
In the visual observing situation, the observer is the human eye that receives the light reflected from or transmitted through an object, and the brain which perceives the vision. The visual observing situation Since different humans percei...

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