如何利用 OLED 纯黑色关闭像素的特性制作壁纸 - V2EX
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Doucy

如何利用 OLED 纯黑色关闭像素的特性制作壁纸

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  •   Doucy Oct 18, 2020 2323 views
    This topic created in 2016 days ago, the information mentioned may be changed or developed.

    都知道 OLED 屏幕在一定亮度以下显示纯黑色会关闭像素,也就是“纯粹的黑”。 想利用这个特性制作 iPhone 壁纸,在威锋上看到 honeyset 的回答「纯黑色就是色值 HEX #000000 或者 RGB(0,0,0) 颜色,除了这个颜色之外,其他颜色例如灰色,深灰色,都会使这个像素点发光。」 不确定对不对,请指正。

    如果是这个原理,通常有什么办法可以把不是这种纯黑色的浅黑色背景处理成纯黑背景呢?感谢。

    4 replies    2020-10-19 02:55:28 +08:00
    loading
        1
    loading  
       Oct 18, 2020 via Android
    对,只有#000000 才会完全关闭,但是深色在 oled 里也省电。

    请注意烧屏。
    mason961125
        2
    mason961125  
       Oct 18, 2020 via iPhone
    二值化
    vone
        3
    vone  
       Oct 18, 2020
    1 、PS=>选择=>色彩范围=>取样颜色选择图片黑色区域任意一点=>调整色彩容差=>确定。
    2 、Shift+F5 =>选择颜色=>设定颜色#000000=>确定。
    superlc
        4
    superlc  
       Oct 19, 2020 via iPhone
    img *= (norm(img) > threshold)
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