Light in physics can be defined as electromagnetic wave, people can see the light is called visible light, it is only a very narrow range of electromagnetic frequency range, wavelength range is about 380 ~ 760nm, according to red, orange, yellow, green, blue, indigo, purple gradual change, different wavelength range of light color and different, we see white light is composed of a variety of color light composite. 
The reason why we can distinguish colors is largely dependent on the color composition contained in the light. When the light of the human eye, the eye will produce "vision", and then the brain will reflect these visual stimulus signals, and tell you the "color" is "red" or green, most people (color blind or weak color will have a difference in perception) produce "red" stimulus light wavelength is about 620 ~ 760nm range, And produce the "green" feeling of light wavelength is about 520 ~ 560nm.
Liyang Paper products co., ltd is a factory and trade company located in Dongguan, China. Specialized in producing gift paper packaging and printing, such as gift box, gift bags, book printing, notebooks, folders, wine box,jewelry box, cosmetic box, watch box, shoe box,etc. Custom made base on your design is welcome, feel free to contact Liyang printing with your full detail.
November 18, 2024
November 12, 2024
July 03, 2023
July 04, 2023
October 28, 2024
October 15, 2024
March 12, 2024
January 10, 2024
この仕入先にメール
November 18, 2024
November 12, 2024
July 03, 2023
July 04, 2023
October 28, 2024
October 15, 2024
March 12, 2024
January 10, 2024
お問い合わせ
Ms. Lily Yu
電話番号:86-769-81228313
Fax:86-769-85193253
携帯電話:+8613925768389
イーメール:admin@lyprinting.com
住所:Shuishang Village, Renzhou Administrative District, Shatian Town, Dongguan City, Guangdong Province, 523999, China., Dongguan, Guangdong
モバイルサイト
Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.
Fill in more information so that we can get in touch with you faster
Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.
