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Samsung pushes graphene one step closer to silicon supremacy
Graphene has long-held notions of grandeur over its current silicon overlord, but a few practical issues have always kept its takeover bid grounded. Samsung, however, thinks it's cracked at least one of those -- graphene's inability to switch off current. Previous attempts to use graphene as a transistor have involved converting it to a semi-conductor, but this also reduces its electron mobility, negating much of the benefit. Samsung's Advanced Institute of Technology has created a graphene-silicon "Schottky barrier" that brings graphene this much-needed current-killing ability, without losing its electron-shuffling potential. The research also explored potential logic device applications based on the same technology. So, does this mean we'll finally get our flea-sized super computer implant? Maybe, not just yet, but the wheels have certainly been oiled.
Samsung breakthrough could turn your window pane into a big ol' LED
Samsung's quest for transparency won't end with laptops, apparently. Today, the Samsung Advanced Institute of Technology announced that its engineers have successfully created "single crystalline Gallium Nitride on amorphous glass substrates" -- an achievement that would allow the manufacturer to produce jumbo-sized LEDs from normal glass, including window panes. Samsung says this scaled-up approach will allow them to lower production costs relative to most LED manufacturers, which rely on sapphire, rather than glass substrates. And, whereas most Gallium Nitride (GaN) LEDs on the market measure just two inches in size, Sammy's technique could result in displays about 400 times larger. "In ten years, window panes will double as lighting and display screens, giving personality to buildings," a Samsung spokesperson told the Korea Herald. Unfortunately, however, it will likely be another ten years before the technology is ready to hit the market. Until then, we'll just have to do our late night window coding the old fashioned way. [Image courtesy of Columbia Pictures / The New York Times]
Scent generator threatens to waft Odorama into the 21st century
Finally, an invention John Waters can get behind. When the harbinger of filth brought the odiferous experience to screenings of Polyester, he took the scratch-and-sniff route -- including scents like glue and feces -- now a team of researchers at the University of California in San Diego are expanding on the smell-what-you-see concept, albeit in a much more high-tech fashion. In collaboration with the Samsung Advanced Institute of Technology, the team has developed a method for generating odors that could pack the appropriate hardware into a device "small enough to fit on the back of your TV." Basically, scents are produced by an aqueous solution, like ammonia, which is heated by a thin metal wire, and eventually expelled, as an odorous gas, from a small hole in its silicone elastomer housing -- and, bam! You've got Smell-O-Vision. The team has tested its method using perfumes by Jennifer Lopez and Elizabeth Taylor, but have yet to create a working prototype. For the sake of innocent noses everywhere, let's hope Mr. Waters doesn't get a whiff of this.
Samsung's new mobile DDI promises better daylight viewing
Samsung has just revealed a new mobile display driver IC (DDI) which claims to deliver clearer images in broad daylight, and while this sounds like a promising development, we're gonna wait to see it in action before passing judgment. What makes this so-called "intelligent" DDI different from the ones currently driving LCD screens is that it contains a built-in photo sensor that detects 32 levels of ambient light and uses a proprietary algorithm developed in conjunction with the Samsung Advanced Institute of Technology to adjust properties such as brightness and saturation at the individual pixel level. Basically, the new DDI promises to optimize display viewing in direct sunlight while at the same time reducing power consumption by ramping down the brightness in lower-light environments. Our skepticism stems from the fact that this tech doesn't sound like it really does anything to combat sun glare, and since we always keep our brightness maxed out anyway, we're not sure how much benefit we'd get from an auto-adjusting screen. Like we said, though, we'll wait until we see one of these Samsung-powered displays in action before completely dismissing its effectiveness, and it sounds like we won't have to wait too long, either -- mass production of the new mobile DDIs is scheduled to begin before the end of the year.[Via Digital World Tokyo]
