It looks like you're searching for minimalist or motivational wallpapers with solid backgrounds and clean text inscriptions in resolution.
Sites like WallpapersCraft are popular for this specific style, offering a variety of "inscription" wallpapers featuring quotes, single words, or neon text on solid black or colored backgrounds. Here are some examples of what you might be looking for: 1366x768 Download wallpaper 1366x768 inscriptio...