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20.3: All‐In‐One Monitor Capable of Power‐over‐Ethernet or USB
Author(s) -
Siefken Shan,
Kecman Fedja,
Thielen James,
Du Garry
Publication year - 2011
Publication title -
sid symposium digest of technical papers
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.351
H-Index - 44
eISSN - 2168-0159
pISSN - 0097-966X
DOI - 10.1889/1.3621288
Subject(s) - usb , ethernet , polarizer , power (physics) , backlight , computer hardware , computer science , liquid crystal display , usb hub , electrical engineering , embedded system , efficient energy use , engineering , operating system , physics , optics , birefringence , software , quantum mechanics
Increased display efficiency gives device manufacturers more freedom to design new, previously unfeasible, low power devices. By combining an energy efficient backlight design with an efficient light source, display powers can be lowered to levels where a power source other than alternating current AC mains becomes feasible. Examples of a USB powered monitor in the mainstream size, as well as a Power Over Ethernet POE All‐In‐One Thin Client/Monitor device are demonstrated with today's technologies as a combination of efficient LEDs, reflective polarizers and low power LCD panels.