Samsung

About: Samsung is a company organization based out in Seoul, South Korea. It is known for research contribution in the topics: Layer (electronics) & Signal. The organization has 134067 authors who have published 163691 publications receiving 2057505 citations. The organization is also known as: Samsung Group & Samsung chaebol.

Mobile terminal having foldable display and operation method for the same

Abstract: A mobile terminal having a foldable display and an operation method for the same are disclosed. The foldable display unit includes a plurality of display zones, wherein the application of program depends on the degree of folding angle of the display unit, and the display unit displays on its screen according to the folding angle. Further, variations of closing and opening motion of the foldable display unit triggers different modes of operation and displays

Porous PVDF as effective sonic wave driven nanogenerators.

Abstract: Piezomaterials are known to display enhanced energy conversion efficiency at nanoscale due to geometrical effect and improved mechanical properties. Although piezoelectric nanowires have been the most widely and dominantly researched structure for this application, there only exist a limited number of piezomaterials that can be easily manufactured into nanowires, thus, developing effective and reliable means of preparing nanostructures from a wide variety of piezomaterials is essential for the advancement of self-powered nanotechnology. In this study, we present nanoporous arrays of polyvinylidene fluoride (PVDF), fabricated by a lithography-free, template-assisted preparation method, as an effective alternative to nanowires for robust piezoelectric nanogenerators. We further demonstrate that our porous PVDF nanogenerators produce the rectified power density of 0.17 mW/cm3 with the piezoelectric potential and the piezoelectric current enhanced to be 5.2 times and 6 times those from bulk PVDF film nanogenerators under the same sonic-input.

Quartz (SiO2): a new energy storage anode material for Li-ion batteries

Abstract: SiO2 is one of the most abundant materials on Earth. It is cost-effective and also environmentally benign when used as an energy material. Although SiO2 was inactive to Li, it was engineered to react directly by a simple process. It exhibited a strong potential as a promising anode for Li-ion batteries.

Multi-layered Vertical Gate NAND Flash overcoming stacking limit for terabit density storage

Abstract: Vertical Gate NAND (VG-NAND) Flash array with multi-active layers has been successfully integrated for the first time. VG-NAND confirmed stable operations of program, body erase, and read. There is no aggravation on program disturbance with increased number of layers due to an architecture of VG-NAND with vertical blocks.