亮度 100%

白色 屏幕 背景

px
×
px
#FFFFFF
自定义颜色
Opens one color window per detected screen. Drag & fullscreen each.

屏幕测试工具

自动颜色循环

快速循环颜色以修复卡死像素。建议运行20-30分钟。

OLED烧屏测试

显示移动图案以检测OLED烧屏。

渐变测试

平滑渐变以检查颜色条带和位深度问题。

棋盘格测试

棋盘格图案以测试显示器清晰度和像素响应。

像素响应时间测试

快速黑白切换以评估拖影。

视角测试

颜色带以评估视角一致性。

灰色均匀性测试

50%灰色以显示背光热点和云雾。

颜色精度检查器

用于校准验证的参考颜色。

计时器模式

设置全屏显示的计时器。

多显示器检测

检测已连接的显示器并在所有屏幕上打开全屏颜色。

Drag each window to a different monitor, then click Go Fullscreen inside it.

关于 白色 屏幕

A white screen is one of the most versatile tools for monitor testing and everyday productivity. By filling your entire display with pure white light, you can quickly spot dead pixels — those tiny dark dots that fail to illuminate. Dead pixels are permanent hardware defects where a pixel's transistor has failed, leaving it permanently off.\n\nBeyond pixel testing, a full-screen white display serves as an excellent improvised light source. Content creators on Zoom, Google Meet, or Microsoft Teams use white screens to boost facial lighting when a ring light isn't available. Photographers use white screen displays as softbox alternatives for product shots, while videographers employ them as fill lights for close-up work.\n\nFor screen cleaning, a white background makes dust, fingerprints, and smudges highly visible, letting you clean your monitor thoroughly without missing any spots. Simply display the white screen, turn off overhead lights, and wipe with a microfiber cloth using gentle circular motions.\n\nWhite screens also support focus and productivity. Many users display a full white screen during deep work sessions to minimize visual distractions from desktop icons, wallpapers, and notifications. The clean, uniform surface helps maintain concentration during reading, writing, or studying.

常见问题 – 白色 屏幕

Display this white screen in fullscreen mode and carefully scan every area of your monitor. Dead pixels will appear as tiny dark (black) dots that don't light up. Check systematically by dividing your screen into quadrants.

Yes! Open the white screen fullscreen on a second monitor or tablet facing you. It provides soft, even illumination similar to a ring light. Adjust brightness to control intensity.

Display the white screen, dim room lights, then gently wipe with a dry microfiber cloth in circular motions. The white background reveals all dust and smudges clearly.

Choose the resolution matching your monitor: 1080p for Full HD, 1440p for 2K, 2160p for 4K, or 4320p for 8K displays.

A white screen displays pure #FFFFFF at full brightness to test pixels. A brightness test varies intensity levels to check backlight uniformity and gradient response.