ETRI Hologram Technologies won I-zone Best Prototype Award in Displayweek 2020

ETRI Hologram Technologies won I-zone Best Prototype Award in Displayweek 2020

Tech Trends

A hologram specialization developed by South Korean researchers has received the highest award at one of the world’s most famous conferences on show applied science. It is speculated that the award may be an opportunity for South Korea to earn recognition for its future show Applied Science, and not just for its large-scale manufacturing capabilities.

ETRI announced that it had bagged the highest award at Show Week 2020, an annual event organized by Society for Info Show (SID) last month in August.

As one of many of the world’s largest conventions on show, SID’s Show Week has been showcasing new applied sciences developed in analysis institutions, universities and corporations since 2012. Unlike the usual exhibition areas that show the applied sciences that corporations are ready to build, the I-Zone* principle receives distinctive discovery in the exhibition corridor as it fully displays the applied sciences of the future. This is the first time the award has been given to an expert developed in South Korea.

In the I-Zone of the occasion, ETRI launched its 1μm pixel (world’s smallest) Pitch Spatial Gentle Modulator (SLM) Panel* and 360° Tabletop Holographic Show System. As the first South Korean hologram expertise to receive this award, which is given to the most outstanding applied science on the planet, ETRI has been recognized by SID for its technological advances in the field.

The 1μm pixel pitch panel expertise garnered the Distinguished Paper Award at SDI’s Show Week conference over the past 12 months. The researchers succeeded in applying the expertise to a panel after a 12-month construction course to reach homogeneity and reach homogeneity. ETRI was invited by the organizers and considered to present their expertise in the seminar.

Using the laws of diffraction and sunlight interference, holograms typify three-dimensional photographs into the home, which are perceived by humans to resemble real objects. The portion and/or depth of sunlight is managed by a panel known as a Spatial Mild Modulator (SLM), allowing hologram photographs to be reproduced naturally without the need for a separate optical unit. Holographic photographs render visual senses such as depth, volume, and binoculars as well as visual motion parallax without using any special glasses, nor produce any visual fatigue. does.

The smaller the pixel scale on the Spatial Mild Modulator panel, the larger the angle of view of the generated hologram image. The researchers managed to reduce the pixel pitch of the SLM panel by 1μm, allowing the viewing angle to be as large as 30°.

What was important was their resolve to design the building of pixels not horizontally on the flat floor of the spatial light modulator panel, though stacked one vertically. Thereby they reduce the desired scope by pixel elements, all becoming 1μm in pixel width. What ETRI has primarily built is a vertically stacked thin film transistor (VST)* construction.

The advantage of this expertise is that the pixel pitch will be reduced without the need for any further development of production processes. With this expertise, 51 million pixels* are created and placed on a 1.3-inch sized panel. The reconstructed hologram photos will be shown in such a way that completely different pictures appear from the different viewing instructions inside the 30 levels.

Unlike 2D shows, the viewing angle of a holographic show decreases dramatically with increasing pixel dimensions, making it difficult to render a large-scale hologram. Thus it is indeed much desired to develop large size SLM panels with very small pixel pitch, which is considered as the main technical bottleneck for the commercialization of digital holograms. Currently, ETRI is building a larger panel than is displayed within the SID. By the end of this 12 months, ETRI could complete the event of a 3.1-inch Spatial Mild Modulator with 230 million pixels*.

ETRI introduced that this is usually mounted on a color SLM panel, whereby full color hologram photos would be reproduced with only one panel as an alternative to using three.

The contrast expertise ETRI launched within the I-Zone exhibition is a system that reproduces volumetric color holographic photographs that can be seen in all instructions. The system uses high-speed digital micro-mirror machines (DMDs) as spatial light modulators. The system allows for images as large as 5 inches viewed from horizontal 360° and vertical 20° viewing angles, by multiplexing and stitching multiple digital holograms.

Using specific optical design strategies, the ETRI researchers developed a tabletop holographic show system, which was elementary and yet a system that multiple spectators could view and work with independently, conceptually floating in the air. Dynamic hologram photos.

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