Joke Collection Website - Cold jokes - What is the material of the light guide plate with general backlight? Is it plastic or plexiglass?
What is the material of the light guide plate with general backlight? Is it plastic or plexiglass?
1. Personal computer
A. Optical grade polycarbonate (PC for short): the temperature does not exceed 80 (thermal deformation temperature is 92), commonly known as acrylic. Plastic material. Optical grade PMMA (polymethyl methacrylate; The light transmittance is slightly lower (about 89% when the thickness is 3mm).
b； High light transmittance (about 93% when the thickness is 3mm); Disadvantages, extrusion completed), advantages: high production efficiency (by injection molding; Disadvantages: the temperature cannot exceed 1 10 (thermal deformation temperature 135).
2. Polymethyl methacrylate
A, advantages: high production efficiency (the common material for light guide plate injection molding is optical grade PC.
- Previous article:Mini World Local tyrant account password Daquan Mini World Advanced 100 password list
- Next article:What is the nine-bond formula?
- Related articles
- The story behind the song Wang Zhaojun
- What does a woman mean when she says eating dumplings? What does a woman mean when she says eating dumplings?
- Pupils took the wrong last bus, and the driver sent it back with his electric car. What would you do if this happened?
- Which episode is Xiao Shenyang doing your business with your money?
- When people reach middle age, there is no need to interact with these four kinds of relatives. It is simply a waste of time.
- Andy p earth expression pack celebrates Zray's birthday. What interesting interactions have these two brothers and sisters had over the years?
- A joke about real estate
- Do married women put up happy words at home?
- Is the Monkey King in the glory of the king really a brainless hero?
- What writing techniques are used in Duck Catch Rabbit? Tell us what truth?