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 Driver Trip: Protection Design & Field Isolation
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 Thermal Protection: Design Limits & Response
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
Module Current Draw: PSU Sizing & Black-Screen Cases
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