Backlight & Optical
LED backlight lifetime, dimming, flicker, evenness, optical bonding vs air gap. The following guides are written by our application engineers and backed by real module data.
Backlight Intermittent Off, Image Stays: Driver Trip Fix
Image stays but the backlight cuts out? Diagnose LED-driver OVP/OCP/OTP latch trips, LED-open/short detection, and string sizing to stop false trips.
2022-01-07 · Backlight & Optical
Backlight Over-Temperature Protection: Root Cause & Fix
Why a display backlight auto-shuts off when hot: LED derating, NTC sense, thermal foldback, and how to spec for high-ambient enclosures.
2026-08-08 · Backlight & Optical
LCD Draws Too Much Current: Fix PSU Black Screen
Low-load black screen when the display powers up? Learn to size the PSU for backlight inrush and steady current, add inrush limiting, and pick lower-power panels.
2022-05-03 · Backlight & Optical
ESD Damage LCD Driver: Surge Paths & TVS Fixes
Diagnose ESD damage to an LCD driver: coupling paths, TVS placement, shielding and a protection checklist for stable industrial displays.
2025-12-07 · Backlight & Optical
Why LCD Brightness Jumps With Input Voltage
Root-cause guide to LCD brightness that tracks Vbus: constant-current vs PWM dimming response, driver dropout at low V, and wide-input plus post-regulator fixes.
2025-12-25 · Backlight & Optical