Makrolon® makes huge screen diagonals possible
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Market:
Electronics and Computers
Flat screen TVs
LCD monitors |
Polymer:
Polycarbonate (Makrolon®) |
Key benefits:
High purity
Outstanding optical properties
Design freedom |
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Conventional plastics warping stunted LCD monitors growth |
The reduction of flat screen TVs and Liquid Crystal Displays (LCD) monitors prices make them more accessible to customers who are more likely to replace conventional cathode ray televisions. One clear trend has therefore become apparent: people go more and more for large format units. |
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However, to produce an image on the matt screen of an LCD monitor that is not uniformly bright and sharp despite growing screen diagonals, new plastics materials are needed. Indeed, the diffuser sheets made out of conventional plastics have a tendancy to warp, causing distortion of the picture. |
New grade of Makrolon® enables large-format LCD screens |
Bayer MaterialScience scientists have developped a new high-purity grade of Makrolon® polycarbonate that enables the manufacture of flat screen television in unprecedented sizes while ensuring optimal brightness for LCD.
With this technology, the image-generating liquid crystal display is illuminated from the back by a backlight unit (BLU).
An optimization of this technology is currently being run to introduce microscopic particles to the plastics mixture in order to enhance the light scatter.
New developments have started on the next generation of diffuser sheets that will not be based anymore on scattering pigments but on a micro-surface structure that will guide the light specifically to the LCD display. Design freedom is thus enhanced and cost reduction is observed. |
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