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A defective pixel or a dead pixel is a pixel on a liquid crystal display (LCD) that is not functioning properly. The ISO standard ISO 13406-2 distinguishes between three different types of defective pixels, [ 1 ] while hardware companies tend to have further distinguishing types.
Three distinct types of defective pixels are described: Type 1 = a hot pixel (always on, being colour white) Type 2 = a dead pixel (always off, meaning black) Type 3 = a stuck pixel (one or more sub-pixels (red, blue or green) are always on or always off) The table below shows the maximum number of allowed defects (per type) per 1 million pixels.
Apple hikes prices by 43% on upcoming model.
In late 2014, the iPhone 6 doubled the frame rate to 240 fps, and in late 2015, the iPhone 6s added support for 1080p (1920 × 1080) at 120 frames per second. In early 2015, the Galaxy S6 became the first Samsung mobile phone to retain the sensor framerate and audio, and in early 2016, the Galaxy S7 became the first Samsung mobile phone with ...
Dead pixel policies are often hotly debated between manufacturers and customers. To regulate the acceptability of defects and to protect the end user, ISO released the ISO 13406-2 standard, which was made obsolete in 2008 with the release of ISO 9241 , specifically ISO-9241-302, 303, 305, 307:2008 pixel defects.
The XS Max introduced a larger 6.5-inch screen. The iPhone XR included a 6.1-inch LCD "Liquid Retina" display, with a "bezel-less" design similar to the iPhone X, but does not include a second telephoto lens; it was made available in a series of vibrant colors, akin to the iPhone 5c, and was a lower-cost device compared to the iPhone X and XS. [44]
The iPhone 14 features a 6.1-inch (155 mm) display with Super Retina XDR OLED technology at a resolution of 2532 × 1170 pixels and a pixel density of about 460 PPI with a refresh rate of 60 Hz. The iPhone 14 Plus features a 6.7-inch (170 mm) display with the same technology at a resolution of 2778 × 1284 pixels and a pixel density of
The iPhone 3G sported a 3.5 in (89 mm) capacitive touchscreen with a 480×320 resolution at 163 ppi. The scratch-resistant glass sits on top of the display. Just like the original iPhone, the touchscreen was designed for a bare finger, or multiple fingers for multi-touch sensing. The device featured the same sensors as its predecessor.