Panasonic announces 1,000,000:1 contrast IPS displays
December 5, 2016 | 10:46
Companies: #panasonic
Panasonic's display arm, Panasonic Liquid Crystal Display Company, has announced the development of an in-plane switching (IPS) panel family boasting 1,000,000:1 static contrast ratio - the highest ever claimed by an LCD manufacturer.
Those who have been shopping for a monitor or TV in the last decade or so will be all too familiar with manufacturers' tendency to overstate the contrast - the distinction between fully-white and fully-black on the same panel - of their displays. Typically, this involves claiming a 1,000,000:1 'dynamic' contrast ratio - a trick which lowers the backlight level in dark scenes and boosts it in bright scenes to simulate high contrast. Panels based around organic light-emitting diode (OLED) technology, by contrast, have a high static contrast thanks to the ability to toggle the lighting on a per-pixel rather than per-panel or per-zone level, but these displays are more costly and complex to manufacture.
Panasonic's display division's new screens, though, are claimed to offer a 1,000,000:1 static contrast ratio for the first time in an IPS LCD panel - some 600 times higher, the company claims, than its nearest competition. The company's technology is based around light-modulating cells permitting pixel-by-pixel control of backlight intensity in much the same way as OLED panels but, it claims, without the need to upgrade existing liquid crystal panel manufacturing equipment - greatly dropping the cost compared to retooling for OLED.
According to Panasonic's internal testing, the panels treated with the additional layer of light modulating cells are capable of displaying a brightness of 1,000 candela per metre squared (cd/m²) and 0.001cd/m² simultaneously, without losing the viewing angles or colour gamut of the IPS panel. It plans to manufacture the panels in a range of sizes, from large-scale TV panels to professional-grade monitors for medical and industrial use and even down to in-car computer displays.
The first samples are expected to ship in January next year, Panasonic has stated, with more information available from the official press release.
Those who have been shopping for a monitor or TV in the last decade or so will be all too familiar with manufacturers' tendency to overstate the contrast - the distinction between fully-white and fully-black on the same panel - of their displays. Typically, this involves claiming a 1,000,000:1 'dynamic' contrast ratio - a trick which lowers the backlight level in dark scenes and boosts it in bright scenes to simulate high contrast. Panels based around organic light-emitting diode (OLED) technology, by contrast, have a high static contrast thanks to the ability to toggle the lighting on a per-pixel rather than per-panel or per-zone level, but these displays are more costly and complex to manufacture.
Panasonic's display division's new screens, though, are claimed to offer a 1,000,000:1 static contrast ratio for the first time in an IPS LCD panel - some 600 times higher, the company claims, than its nearest competition. The company's technology is based around light-modulating cells permitting pixel-by-pixel control of backlight intensity in much the same way as OLED panels but, it claims, without the need to upgrade existing liquid crystal panel manufacturing equipment - greatly dropping the cost compared to retooling for OLED.
According to Panasonic's internal testing, the panels treated with the additional layer of light modulating cells are capable of displaying a brightness of 1,000 candela per metre squared (cd/m²) and 0.001cd/m² simultaneously, without losing the viewing angles or colour gamut of the IPS panel. It plans to manufacture the panels in a range of sizes, from large-scale TV panels to professional-grade monitors for medical and industrial use and even down to in-car computer displays.
The first samples are expected to ship in January next year, Panasonic has stated, with more information available from the official press release.
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