- via MacRumors
DisplayMate
New Aspect Ratio and Higher Resolution
As a result of its larger display size and larger Aspect Ratio, the iPhone X has a new 2.5K Higher Resolution Full HD+ display with 2436x1125 pixels and 458 pixels per inch, with 2.7 Mega Pixels, 32% more than an HDTV. The display has Diamond Sub-Pixels (see below) and Sub-Pixel Rendering with 458 pixels per inch (ppi), providing significantly higher image sharpness than can be resolved with normal 20/20 Vision at the typical viewing distances of 12 inches or more for Smartphones, so the display appears perfectly sharp. As a result, for Smartphones it is absolutely pointless to further increase the display resolution and pixels per inch (ppi) up to 4K (3940x2160 pixels) for a silly marketing wild goose chase into the stratosphere, with no visual benefit for humans!
Viewing Angle
While Smartphones are primarily single viewer devices, the variation in display performance with viewing angle is still very important because single viewers frequently hold the display at a variety of viewing angles. The angle is often up to 30 degrees, more if it is resting on a table or desk. While LCDs typically experience a 55 percent or greater decrease in Brightness at a 30 degree Viewing Angle, the OLED iPhone X display shows a much smaller 22 percent decrease in Brightness at 30 degrees. This also applies to multiple side-by-side viewers as well, and is a significant advantage of OLED displays. The Color Shifts with Viewing Angle are also relatively small. See the Viewing Angles section for the measurements and details.
Color Accuracy and Automatic Color Management
Most Smartphones and Tablets generally provide only one to up to several fixed Color Gamuts. The iPhone X has Automatic Color Management that automatically switches to the proper Color Gamut for any displayed image content within the Wide DCI-P3 Color Space that has an ICC Profile, so images automatically appear with the correct colors, neither over-saturated or under-saturated. Color Management with multiple and varying Color Gamuts are a very useful and important state-of-the-art capability that all manufacturers will need to provide in the future.
The Absolute Color Accuracy of the iPhone X is Truly Impressive as shown in these Figures. It has an Absolute Color Accuracy of 1.0 JNCD for the sRGB / Red.709 Color Gamut that is used for most current consumer content, and 0.9 JNCD for the Wider DCI-P3 Color Gamut that is used for 4K UHD TVs and Digital Cinema. It is the most color accurate display that we have ever measured. It is Visually Indistinguishable From Perfect, and is very likely considerably better than any mobile display, monitor, TV or UHD TV that you have.
BTW, it is Apple's technology, Samsung only did manufacture it, Samsung had nothing to do with the design/engineering.
No comments:
Post a Comment