How is the LCD absorption axis identified? How many types of LCD absorption axes are there?
Please check with LCD vendors. AMT can also supply a sample LAAT (LCD absorption axis tester) for measuring your LCD absorption axis. It is important to confirm the LCD absorption axis before you order a LR touch screen. Please contact us for details and sample LAAT. In general, most TFT LCD absorption axes are 45° or 135° but there are new LCDs with 0° absorption axes. For color STN LCDs, there is no standard absorption axis.