New iPad Pro users report “grainy” OLED screen display

[ Gearbest Technology News]Recently, many users on foreign forums reported that the OLED screen of the new M4 iPad Pro has a visible static grain pattern.

According to users, this grainy pattern is most noticeable in darker environments, with the screen brightness set to low-to-medium levels, and when viewing content with gray or pastel colors. Some users likened the display effect to the visual noise present in photos taken at high ISO settings. It's unclear whether this is a true display flaw. Generally speaking, OLED screens may exhibit visual graininess or a “screen door effect” due to multiple factors in the design and manufacturing process.

The individual sub-pixels of an OLED screen can vary in size and shape, causing the screen to have an uneven texture or graininess. This is usually more noticeable on larger screens. Deposition changes in organic materials may also affect the uniformity of light emission. In addition, OLED screens control brightness at the pixel level, and power management technology may cause slight changes in brightness on the screen. This sometimes manifests itself as a grainy effect in low-light environments or when displaying uniform colors.

It is worth noting that Samsung S24 Ultra has previously been exposed to a similar grainy screen situation. Samsung supplies screens for Apple's new 11-inch iPad Pro, while LG Display provides screens for the 13-inch version. According to a report from South Korea in March, Samsung was having trouble producing 11-inch panels and was unable to meet Apple's order numbers. The shortage led Apple to transfer some orders for smaller panels to LG Display.

So far, most reports involve the 11-inch iPad Pro, but there are one or two mentioning a 13-inch version, so it's unclear whether the potential flaw is specific to a certain OLED panel supplier. These reports appear to be limited to the new iPad Pro with the standard glass option, while versions with nano-texture screens have not yet received reports.

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