近期我們有客戶設備G104XVN01 V0 液晶屏出現亮線故障,退回我們分析原因和售后處理。下面我們就分享出來友達光電給我們的分析報告.
Step 1 問題定義 /改善主題與目標設定
Problem definition / Improvement subject & Target setup
General Information
No. | Item | Information |
1 | Customer (Site) | Xuhong |
2 | Panel Source | NA |
3 | RMA No. | NA |
4 | Customer Complain | H line |
5 | Project Name/AUO Model (Week Code) | 旭虹/G104XVN01 V0 (24/38) |
6 | AUO S/N(MFG Site | 1V4B83E01TZZZS0110 (S01) |
7 | Receive/Finish Date | 2025-10-09 / 2025-10-13 |
8 | Receive Q’ty | 1 |
9 | Defect rate | (Still waiting for feedback) |
10 | Customer:1.RA or Aging test 2.Reject site | Line reject |
11 | History | Have No Repair History In MA Process |
Step 2 現狀分析
Fact & Data Finding analysis
Failure description
Step 3 真因分析與驗證
Root cause analysis and verification
How :
1. 使用AU治具點亮正常,發現H line;
How :
2. 確認G104XVN01 V0 LCD外觀無異常;
How :
3.OM下確認H line對應的位置為Y=157;
How :
4.OM下確認對應坐標的IC bonding未發現異常;
How :
5.OM下觀察對應坐標的cell lead發現lead成膜異常;
Summary
1. 使用AU治具點亮G104XVN01 V0正常,發現H line;
2. 確認G104XVN01 V0 LCD外觀無異常;
3. OM下確認H line對應的位置為Y=157;
4. OM下確認對應坐標的IC bonding未發現異常;
5. OM下觀察對應坐標的cell lead發現lead成膜異常;
Conclusion
H line為cell lead成膜異常導致。
更多友達10.4寸液晶屏選型:https://www.www.flavcorporate.cn/auo/10.4inch/