电池电量
Dark themes are becoming more and more popular. On some devices, they can even save battery power. It all depends on what type of display your device have—only devices with OLED displays can reap the power-saving benefits.
黑暗主题变得越来越流行。 在某些设备上，它们甚至可以节省电池电量。 这完全取决于您的设备所用的显示器类型-只有配备OLED显示器的设备才能获得节电的好处。
仅具有OLED显示屏的设备 (Devices With OLED Displays Only)
You’ve probably heard of OLED displays, especially if you’ve been on the market for a new TV in the last year or so. OLED screens differ from LCD and LED displays typically found in electronics in that OLEDs don’t have a backlight layer: each pixel is individually illuminated. This makes the display thinner, but the main draw is that black pixels don’t get lit up at all.
您可能听说过OLED显示器 ，尤其是如果您在过去一年左右的时间里一直在购买新电视。 OLED屏幕不同于电子产品中通常使用的LCD和LED显示器，因为OLED没有背光层：每个像素都单独发光。 这样可以使显示器更薄，但是主要的吸引点是黑色像素根本不会被点亮。
The result is higher contrast in your favorite films, inky blacks throughout any interface, and battery savings when you’re using a dark theme on your laptop or cell phone.
当您在笔记本电脑或手机上使用深色主题时，可以提高您喜欢的电影的对比度，在任何界面上都呈现出漆黑的黑色，并节省电池。
当深色主题可以为笔记本电脑节省电池电量时 (When a Dark Theme Can Save Battery Power on Your Laptop)
OLED laptops are starting to appear, with some newer models just announced at CES 2019. There haven’t been any macOS or ChromeOS laptops with OLED screens, but there are a few Windows options. HP’s Spectre x360 15 is shipping with a 15-inch Samsung AMOLED display, while Lenovo is offering its Yoga C730 with an OLED panel. Surface fans will be out of luck—Microsoft hasn’t shipped an OLED screen on its laptops yet.
OLED笔记本电脑开始出现，一些新型号刚刚在CES 2019上宣布。 尚无配备OLED屏幕的macOS或ChromeOS笔记本电脑，但有一些Windows选项。 惠普的Spectre x360 15配备15英寸三星AMOLED显示屏，而联想则提供带有OLED面板的Yoga C730 。 Surface风扇将不走运-微软尚未在其笔记本电脑上交付OLED屏幕。
Changing to Windows’ dark theme is easy, and that will darken all of the built-in applications at the same time. Microsoft Office lets you change to a dark theme, as do a lot of third-party apps. Microsoft Edge, Mozilla Firefox and Google Chrome all offer dark themes, but your favorite websites may or may not. Google’s official dark theme isn’t stable on Windows yet but will arrive in the next few months.
更改为Windows的深色主题很容易，这将使所有内置应用程序同时变暗。 Microsoft Office使您可以更改为深色主题 ，许多第三方应用程序也一样。 Microsoft Edge ， Mozilla Firefox和Google Chrome都提供深色主题，但是您喜欢的网站可能会也可能不会。 Google的官方深色主题在Windows上尚不稳定，但将在未来几个月内出现 。
You won’t get the battery savings benefits if your laptop isn’t using an OLED display, and you could find the dark theme may harm your battery life—in theory, at least. A dark theme could lead you to crank your laptop’s brightness to read text and see buttons in the interface, and the higher brightness would draw more power from the battery. This will depend on how much light is in your environment, how well your eyesight works, and how efficient the backlight is—so you may not notice any difference. Just keep that in mind when you’re switching to the dark side.
如果您的笔记本电脑不使用OLED显示屏，您将无法获得节电的好处，并且您会发现深色主题可能会损害电池寿命-至少在理论上是这样。 较暗的主题可能会导致您提高笔记本电脑的亮度，以阅读文本并查看界面中的按钮，而更高的亮度会从电池获取更多电量。 这将取决于您的环境中有多少光，视力如何运作以及背光的效率如何，因此您可能不会注意到任何差异。 切换到阴暗面时，请记住这一点。
Of course, if you’re looking to save battery power, there are plenty of ways to increase your Windows laptop’s battery life. You could even use Windows 10’s battery saver mode. We’ve covered a lot of tips for saving battery power on your MacBook, too. And the same basic principles apply to extending your Chromebook’s battery life, too.
当然，如果您要节省电池电量，可以使用多种方法来延长Windows笔记本电脑的电池寿命 。 您甚至可以使用Windows 10的省电模式 。 我们也介绍了许多有关在MacBook上节省电池电量的提示。 同样的基本原理也适用于延长Chromebook的电池寿命 。
当黑暗主题可以节省手机的电池电量时 (When a Dark Theme Can Save Battery Power on Your Cell Phone)
OLED displays are much more common in smartphones because they’re easier to produce in smaller sizes. Samsung’s Galaxy flagships have always used OLED screens, while iPhones reserve them for the iPhone X, XS, and XS Max—not the iPhone XR or any older iPhones. Google has been using OLED displays for its Pixel phones since 2016, while support from other manufacturers is hit and miss.
OLED显示器在智能手机中更为常见，因为它们更易于以较小的尺寸生产。 三星的Galaxy旗舰店一直使用OLED屏幕，而iPhone则将它们保留给iPhone X，XS和XS Max使用，而不是iPhone XR或任何旧版iPhone。 自2016年以来，Google就一直在其Pixel手机上使用OLED显示屏，而其他制造商的支持却屡见不鲜。
Samsung offers a dark theme for its phone, while Pixel phones will receive a dark mode later this year with Android Q. Apple’s iOS 13 is also rumored to include a dark theme, but we won’t know that for sure until WWDC in late May or early June.
三星为其手机提供了深色主题 ，而Pixel手机将于今年晚些时候通过Android Q进入深色模式。 也有传言称苹果的iOS 13包含一个黑暗的主题，但是直到五月下旬或六月初的WWDC之前，我们都无法确定。
Battery savings from using a dark theme with OLED screens are drastic: Google saw battery life savings between 15% and 60% when it moved from YouTube’s default white background to the dark mode. I spend a good portion of my day on Facebook Messenger to chat with friends and book musical performances, and Facebook just rolled out a dark theme to Messenger. I’ve noticed an extra percent or two on my phone at the end of the day, but that small amount could go a long way if I’m ever away from a charger. Doubletwist (my music player of choice) also offers a black theme, so most of my phone usage is spent in the dark, and I get the most of my phone’s battery.
通过在OLED屏幕上使用深色主题，可以节省电池电量 ：当Google从YouTube的默认白色背景切换到深色模式时， Google可以节省 15％到60％的电池寿命 。 我大部分时间都在Facebook Messenger上聊天，与朋友聊天并预定音乐表演，而Facebook刚刚向Messenger推出了一个黑暗的主题。 我注意到一天结束时手机上会多出一两个百分点，但是如果我不带充电器的话，这笔小数目可能会走很长一段路。 Doubletwist (我选择的音乐播放器)也提供了黑色主题，因此我大部分的手机使用时间都是在黑暗中消耗的，并且我会充分利用手机的电池。
Don’t fret if your phone doesn’t have an OLED screen. Whether you’re on Android or using an iPhone, there are plenty of other ways to save battery life.
如果您的手机没有OLED屏幕，请不要担心。 无论您是使用Android还是使用iPhone ，还有许多其他方法可以节省电池寿命。
有些电视也使用OLED面板 (Some TVs Use OLED Panels, Too)
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You don’t need to worry about battery life on your TV—and most of the time it will be displaying TV shows, movies, or video games, anyway. But, if you have an OLED TV, it will use less power when displaying blacks than bright colors.
您无需担心电视上的电池寿命，并且在大多数情况下，无论如何它都会显示电视节目，电影或视频游戏。 但是，如果您有一台OLED电视 ，则在显示黑色时所用的功率要比明亮的颜色要少。
In theory, maybe you’ll save a few pennies on your electric bill if it spends a lot of time powered on and showing menus. LG makes some of the best OLED TVs, and those TVs also offer a dark theme in their user interfaces.
从理论上讲，如果您花费大量时间打开电源并显示菜单，则可能会节省电费几美分。 LG制造了一些最好的OLED电视，这些电视的用户界面也提供了深色主题。
翻译自: https://www.howtogeek.com/407860/heres-when-a-dark-theme-can-save-battery-power/
电池电量