Product Notifications

Engineering Change Notification

Public | Finalized Published: 30 January 2026 - Reference: 06_2026_ECN

Specification revision of may Backlight for HM 21T22

Hatteland Technology AS hereby informs about changes for the following model(s):
HM 21T22 XRD-MAy-1Oyy
HM 21T22 XRD-MAy-2OVy

Notice: Customized models are ALSO affected by this Engineering Change Notification.

HM 21T22 XRD-MAy-1Oyy

Changes:

Specification revision, Optimization of Mayimum Backlight Luminance from 500 cd/m² to 350 cd/m²

Additional information:

This adjustment is implemented to achieve tighter control over peak luminance levels and to mitigate visual artifacts inherent to IPS technology. By optimizing the luminance, we ensure a more uniform and diffused light distribution across the panel.

The revised specification continues to provide a performance increase over previous generations, ensuring superior brightness while prioritizing image stability.
HM 20T22: 300 cd/m² vs HM 21T22: 350 cd/m²

No impact on form, fit, function.

Contact:

For further enquiries regarding this Engineering Change Notification, please contact Support at Hatteland Technology AS.

Matching products online:

HM 21T22 XRD-MAy-1OUy
HM 21T22 XRD-MAy-1OVy
HM 21T22 XRD-MAy-2OVy

Implemented by:

________________________________

Joakim Emanuelsson
Vice President Product Management
Hatteland Technology AS

Read and Understood by:

________________________________

(Your name)
(Your company)

Last revised: 30 January 2026