A novel backlight FPC structure

CN224863190UActive Publication Date: 2026-10-16HUBEI LIANXIN DISPLAY TECH CO LTD
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Patent Information

Application Number
CN202521809184.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-08-25
Publication Date
2026-10-16
Estimated Expiration
2035-08-25

AI Technical Summary

Technical Problem

[0002]背光AK焊盘为单层软性线路板(简称FPC)上的焊接点,因AK焊盘需和LCM(显示模组)的电路焊接,故需开窗并露出铜线来焊接,因只有两条线路与FPC基板附着,附着力较弱,此处受力后易弯折、折伤或焊盘脱落,造成背光不亮,导致LCM(显示模组)画面无法查看同时容易因外部环境潮湿而造成焊盘线路氧化

Benefits of technology

1.通过增加的PI层能够避免背光焊盘因外部环境湿度超标而造成氧化。

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Abstract

The utility model discloses a novel backlight FPC structure, including AK pad, be equipped with backlight circuitry one, backlight circuitry two on the AK pad, be equipped with welding via one, welding via two respectively on the backlight circuitry one, backlight circuitry two, still be equipped with a layer PI layer for covering the backlight circuitry one, backlight circuitry two and avoid the welding via one, welding via two, the utility model discloses can reduce oxidation and increase the compression performance.
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