Glare is an optical issue caused by excessive reflection of light from a display surface, which makes screen content difficult or impossible to read. It typically occurs in strong external lighting—such as direct sunlight or bright artificial light—and is especially problematic on glossy surfaces that act like mirrors. Glare reduces contrast, causes eye strain, and negatively affects usability.
To minimize this effect, manufacturers use anti-glare (AG) coatings, anti-reflective (AR) layers, or optical bonding techniques that eliminate the air gap between glass and display. In industrial, outdoor, and automotive applications, glare reduction is essential for readability and safety, making proper surface finish and backlight brightness a key part of the design process.
