A Blog About Custom TFT, LCD, OLED Displays

16 Apr

LCD Touchscreen Module Mura (Defect) and Solutions

April 16, 2026
By Bill Cheung
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Mura defects—subtle uneven brightness or color patches—can impact the visual quality of LCD touchscreen modules due to material and process variations. This article highlights key causes and practical solutions to improve display uniformity and performance.

10 Apr

Displays

FPC Capacitive Key: A Simple Way to Think About Touch

April 10, 2026
By Veronica Chen
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Not every touch interface needs a full coordinate-tracking panel—when interactions are limited to simple inputs, lighter solutions can be more efficient. By replacing ITO with copper electrodes on FPC, capacitive keys offer a simpler, more cost-effective, and flexible alternative while still delivering reliable touch functionality.

07 Apr

Displays

Introduction to APF (Advanced Polarizing Film)

April 10, 2026
By Hannah Lu
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3M’s APF (Advanced Polarizing Film) is an on-glass reflective polarizer that recycles unused light within the backlight system, boosting brightness, improving energy efficiency, and enabling thinner LCD module designs. Compared to traditional DBEF solutions, APF stands out for its superior wide-angle performance, higher integration, and better suitability for thin, high-efficiency display applications.

06 Apr

Displays

SITO vs DITO Touch Panel Architecture

April 10, 2026
By Alex Wang
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Capacitive touch architecture mainly differs in electrode layout: SITO integrates Tx and Rx on one side with bridge structures, while DITO separates them on opposite sides to avoid routing conflicts. DITO simplifies design and reduces cost, whereas SITO offers more flexibility for global use but requires more complex processing.