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JDI Releases 2.1” VR Display W/1600x1600 Resolution
February 23, 2020
Two of this year’s most important evolutions of VR glasses involve increasing their display resolution and reducing their size. JDI is mass-producing a pair of high-pixel-density screens designed for smaller, lighter VR glasses, including at least one unnamed model, including twin 1,600 by 1,600 LTPS TFT-LCD screens that measure 2.1 inches on the diagonal, resulting in a display density of 1,058ppi. The company announced work on similar technology back in May 2018, in a larger form factor — a higher-end 1,001ppi screen that was 3.25 inches on the diagonal, with a 2.2-millisecond “worst case” gray-to-gray response time for reduced motion blur, and a lower-end 803ppi screen 3.6 inches on the diagonal, with a 4.5-millisecond response time. Today’s screens are both smaller and lower in total resolution, while matching the lower-end model’s 4.5-millisecond gray-to-gray worst case responsiveness. They deliver a 120Hz response rate, and typical brightness of 430cd/m2, while coming in corner-cut shapes that can reduce the components’ footprints inside VR glasses. JDI says that they use a “special optical design” that will make wearables thinner and lighter, helping hardware makers to move past today’s big ski goggle-sized headsets. This could be particularly important for VR glasses people carry outside of their homes, such as when they’re traveling. While Samsung debuted an anti-screen door effect technique for its lower-resolution 616ppi displays, rival LG created a 1,443ppi display in a larger (4.3-inch) form factor. One of the key tradeoffs for JDI-style smaller form factors may be narrower fields of view, though improved lenses might offset that issue.
JDI Releases 2.1” VR Display W/1600x1600 Resolution
February 23, 2020
Two of this year’s most important evolutions of VR glasses involve increasing their display resolution and reducing their size. JDI is mass-producing a pair of high-pixel-density screens designed for smaller, lighter VR glasses, including at least one unnamed model, including twin 1,600 by 1,600 LTPS TFT-LCD screens that measure 2.1 inches on the diagonal, resulting in a display density of 1,058ppi. The company announced work on similar technology back in May 2018, in a larger form factor — a higher-end 1,001ppi screen that was 3.25 inches on the diagonal, with a 2.2-millisecond “worst case” gray-to-gray response time for reduced motion blur, and a lower-end 803ppi screen 3.6 inches on the diagonal, with a 4.5-millisecond response time. Today’s screens are both smaller and lower in total resolution, while matching the lower-end model’s 4.5-millisecond gray-to-gray worst case responsiveness. They deliver a 120Hz response rate, and typical brightness of 430cd/m2, while coming in corner-cut shapes that can reduce the components’ footprints inside VR glasses. JDI says that they use a “special optical design” that will make wearables thinner and lighter, helping hardware makers to move past today’s big ski goggle-sized headsets. This could be particularly important for VR glasses people carry outside of their homes, such as when they’re traveling. While Samsung debuted an anti-screen door effect technique for its lower-resolution 616ppi displays, rival LG created a 1,443ppi display in a larger (4.3-inch) form factor. One of the key tradeoffs for JDI-style smaller form factors may be narrower fields of view, though improved lenses might offset that issue.
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