4K TV recorder from Sharp. Free Technical Library News

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Sharp 4K TV Recorder

25.05.2014

Sharp Corporation introduced the industry's first recorder for recording and playback of ultra-high definition (4K) television content. The novelty is called Aquos TU-UD1000.

A 4K test broadcast will be held in Japan on June 2. The project is supported by the Next Generation Television & Broadcasting Promotion Forum (NexTV-F), a consortium that includes dozens of companies including Fujitsu, Sony, Japan Broadcasting Corporation, KDDI, NEC, Toshiba, Panasonic and Sharp.

The Aquos TU-UD4 uses a 1000TB hard drive to store 1K footage. This volume is enough to record approximately 50 hours of ultra-high resolution material (3840x2160 pixels).

The recorder is equipped with a TV tuner, Gigabit Ethernet network controller, HDMI and USB interfaces. Dimensions are 430x236x68 mm, weight - approximately 3,3 kg.

The recorder will go on sale on June 25 at an estimated price of $1200. The initial production capacity will be 2000 pieces per month.

Note that the 4K TV market is growing rapidly. According to forecasts, shipments of such panels this year will be from 15 to 20 million units. The share of 4K devices in the total sales of TV panels can reach 10%. In the next five years, experts predict the rapid growth of this market. Demand for 4K panels by 2018 will grow by 68,4 million devices.

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True curved touch display 23.12.2013

Apple has patented curved touch screen technology. US Pat. No. 8603574 "Curved Touch Panels" describes a process for making displays free of defects that are caused by deformation of the screen substrate.

At the same time, the document describes not only the production of touch displays for mobile devices, but also for desktop computers, computer mice, etc.

According to Apple, the main problem in the manufacture of such panels is to maintain a certain temperature when applying thin-film conductors to a flexible substrate. Heating should not be large so that the structure is not damaged. Manufacturers are now using high temperatures to produce panels with better optical properties and better responsiveness by applying a touch film onto a pre-shaped substrate.

Apple's idea is to apply display elements to a flexible substrate while it is flattened. After that, the whole structure is heated to the required temperature, and it is given the desired shape. This technology helps to avoid typical damage that occurs during the production of displays.

In addition, the patent notes that many modern devices with a so-called "curved" display actually have an ordinary flat display, covered with curved glass on top. This technical solution leads to the fact that the touch panel becomes less sensitive, since its different parts are at an unequal distance from the glass. Apple envisions displays that are truly curved, with equal sensitivity in the middle and around the edges.

The patent also describes the process of creating touch displays that have a more complex shape, such as waves. True, today it is not known when and how Apple will apply its patent in practice for the production of real products.

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