Discontinuation Notice: Resistive Touch Screen Products "QST Series" and "MTR Series"
We hereby inform you that our resistive touch screen products, “QST” and “MTR” Series will be discontinued as detailed below.
1. Affected Product
| Product Name | Product No. |
|---|---|
| 4 wire Resistive Touch Screen, QST Series | QST-###A075H、QST-###WA075H |
| Multi-touch Resistive Touch Screen, MTR Series | MTR-###A100B、MTR-###B100B |
- *1 "#" represents a numeric digit.
- *2 Products incorporating the above-mentioned touch screens attached on LCDs (product numbers beginning with TK or TL) will also be discontinued.
2. Reason for Discontinuation
As part of our ongoing commitment to environmental conservation and reducing environmental impact, we are promoting the transition from wet etching processes to laser trimming processes. Accordingly, we have decided to discontinue the affected products in order to facilitate the migration to laser-trimmed models.
3. Successor Products
| Size | Current Products | Successor Products*3, 4 | Sample | Mass Production |
|---|---|---|---|---|
| 5.7 | QST-057A075H | RST-057A080A | June, 2026 | October, 2026 |
| 7W | QST-070WA075H | RST-070WA080A | June, 2026 | October, 2026 |
| 8.4 | QST-084A075H | RST-084A080A | June, 2026 | October, 2026 |
| 8.5W | QST-085WA075H | None | - | - |
| 10.4 | QST-104A075H | RST-104A080A | October, 2026 | October, 2026 |
| 12.1 | QST-121A075H | RST-121A080A | June, 2026 | October, 2026 |
| 15 | QST-150A075H | RST-150A080A | June, 2026 | October, 2026 |
| 10.4 | MTR-104A100B | None | - | - |
| 12.1 | MTR-121A100B | None | - | - |
- *3 The controller board used for the RST Series is the same as that used for the QST Series, namely "TSC-54/RU-F." For further details regarding the RST Series, please contact our sales representative.
- *4 There is no successor model for the MTR Series. If you anticipate future demand, we kindly ask that you consider placing a consolidated order for the required quantities.
4. Last Order and Shipment Schedule
Last Order Date: December 16, 2026 (Wednesday)
Last Shipment Date: May 28, 2027(Friday)
*5. The last shipment date is subject to change depending on the availability of materials.
Should you have any questions or require further information, please do not hesitate to contact your sales representative.
We sincerely appreciate your understanding and cooperation regarding this matter.
Sincerely,