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US 10,474,860 B2Granted
Electronic device including a display driven based upon first and second alternatingly read memories and related methods
AssigneeApple Inc.
InventorsMohammad Yeke Yazdandoost, Yafei Bi, Kingsuk Brahma, Giovanni Gozzini, Mohammad Jangda
Life of this patent
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Abstract
An electronic device may include a display and a biometric image sensor configured for biometric image sensing. The electronic device may also include a display driver coupled to the display. The display driver may include first and second memories and a processor configured to alternatingly read respective illumination pattern data from the first and second memories to drive the display during biometric image sensing.
Claims24
An electronic device comprising:
- a display;
- a biometric image sensor configured for biometric image sensing;
- a display driver coupled to the display and comprising
- first and second memories, and
- a processor configured to alternatingly read respective illumination pattern data from the first memory to drive the display during biometric image sensing and from the second memory to drive the display also during the biometric image sensing;
- and
- a device processor communicating the illumination pattern data to the display driver and configured to
- write the respective illumination pattern data to the second memory while the processor drives the display based upon the respective illumination pattern data from the first memory, and
- write the respective illumination pattern data to the first memory while the processor drives the display based upon the respective illumination pattern data from the second memory.
6 more elements
An electronic device comprising:
- a housing;
- a biometric image sensor carried by the housing and configured for biometric image sensing;
- wireless communications circuitry carried by the housing;
- a display carried by the housing;
- a display driver coupled to the display and comprising
- first and second memories, and
- a display processor configured to alternatingly read respective illumination pattern data from the first memory to drive the display during biometric image sensing and from the second memory to drive the display also during the biometric image sensing;
- and
- a device processor configured to cooperate with the wireless communications circuitry and display driver to perform at least one wireless communications function and selectively operate the display, respectively, the device processor configured to
- write the respective illumination pattern data to the second memory while the display processor drives the display based upon the respective illumination pattern data from the first memory, and
- write the respective illumination pattern data to the first memory while the display processor drives the display based upon the respective illumination pattern data from the second memory.
8 more elements
A method of operating an electronic device comprising a display, a biometric image sensor configured for biometric image sensing, and a display driver coupled to the display, the method comprising:
- using a processor of the display driver to alternatingly read respective illumination pattern data from a first memory of the display driver to drive the display during biometric image sensing and from a second memory of the display driver to drive the display also during the biometric image sensing;
- and
- using a device processor to communicate the illumination pattern data to the display driver and to
- write the respective illumination pattern data to the second memory while the processor drives the display based upon the respective illumination pattern data from the first memory, and
- write the respective illumination pattern data to the first memory while the processor drives the display based upon the respective illumination pattern data from the second memory.
2 more elements
An electronic device comprising:
- a display;
- a biometric image sensor configured for biometric image sensing;
- a display driver coupled to the display and comprising
- first and second memories, and
- a processor configured to alternatingly read respective illumination pattern data from the first and second memories to drive the display during biometric image sensing;
- and
- a device processor communicating the illumination pattern data to the display driver and configured to
- write the respective illumination pattern data to the second memory while the processor drives the display based upon the respective illumination pattern data from the first memory, and
- write the respective illumination pattern data to the first memory while the processor drives the display based upon the respective illumination pattern data from the second memory.
6 more elements
A method of operating an electronic device comprising a display, a biometric image sensor configured for biometric image sensing, and a display driver coupled to the display, the method comprising:
- using a processor of the display driver to alternatingly read respective illumination pattern data from first and second memories of the display driver to drive the display during biometric image sensing;
- and
- using a device processor to communicate the illumination pattern data to the display driver and to
- write the respective illumination pattern data to the second memory while the processor drives the display based upon the respective illumination pattern data from the first memory, and
- write the respective illumination pattern data to the first memory while the processor drives the display based upon the respective illumination pattern data from the second memory.
2 more elements
Dependencies are inferred from the claim text.