• Patent Title: Smart Algorithm for Seamless Transition with Under Display Fingerprint Sensors
  • Application No.: US18293504
    Application Date: 2021-07-30
  • Publication No.: US20240221575A1
    Publication Date: 2024-07-04
  • Inventor: Chien-Hui WenHsin-Yu Chen
  • Applicant: Google LLC
  • Applicant Address: US CA Mountain View
  • Assignee: Google LLC
  • Current Assignee: Google LLC
  • Current Assignee Address: US CA Mountain View
  • International Application: PCT/US2021/043860 2021.07.30
  • Date entered country: 2024-01-30
  • Main IPC: G09G3/20
  • IPC: G09G3/20 G06V40/12
Smart Algorithm for Seamless Transition with Under Display Fingerprint Sensors
Abstract:
An example method includes determining, for a device having a display component configured to operate at multiple brightness levels and for a range of DBVs, a gamma value offset to a default gamma value at the second brightness level. The method includes determining, for a tap point representative of the range, a brightness value offset to a default brightness value at the second brightness level. The method includes storing the gamma value offset and the brightness value offset. Subsequent to the storing, the device is configured to transition, in response to a fingerprint authentication triggering event, the display component from a first brightness level to a second brightness level by: overriding a default gamma value based on the gamma value offset, and displaying a portion of the display component by applying a value offset to a default brightness value at the second brightness level based on the brightness value offset.
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