STEM Light Reading: Display Backlight Evolution (2026-D016)
STEM轻科普延展阅读：显示背光技术演进（2026-D016）
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From CCFL tubes to edge-lit LEDs and now mini-LED arrays, backlight design has reshaped display uniformity and power efficiency.
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Early LCDs used fluorescent lamps requiring inverters that generated audible hum and electromagnetic interference near sensitive equipment.
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