不過螢幕可視角度悲劇@@
Viewing angle主要是由 主色偏移 和 側視對比 來評比的。
測試亮度的部分優先權較後，因為我們比較偏好沒有色偏的螢幕。
OLED是一個極端的例子：側視亮度和側視對比都滿優異的，但主色偏移較大，整體感受就會比主色偏移極小的IPS來的不自然。
可以參考國外專業螢幕測試DisplayMate的介紹：
The variation of Brightness, Contrast, and Color with viewing angle is especially important for Smartphones because of
their large screen and multiple viewers. The typical manufacturer 176+ degree specification for LCD Viewing Angle
is nonsense because that is where the Contrast Ratio falls to a miniscule 10. For most LCDs there are substantial
degradations at less than ±30 degrees, which is not an atypical viewing angle for Smartphones. IPS LCDs generally do well.
Note that the Viewing Angle performance is also very important for a single viewer because the Viewing Angle varies based
on how the Smartphone is held, and the angle can be very large if the Smartphone is resting on a table or desk.
IPS LCDs have smaller Color Shifts than OLEDs because OLEDs need more anti-reflection correction, which has greater absorption
at larger angles. The Galaxy S III has a surprisingly large Brightness Decrease for an OLED due to its anti-reflection absorption.
跑分倒是不一樣 Z大部分都贏蝴蝶 跑分大多參考
FHD 機種對決：Xperia Z / Butterfly 綜合比拼測試！
google搜尋 不會刪我的文吧XD
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