US 11,948,509 B2
Under-display sensor operation
Sangmoo Choi, Palo Alto, CA (US); and Yi Zhang, San Diego, CA (US)
Assigned to Google LLC, Mountain View, CA (US)
Appl. No. 18/000,904
Filed by Google LLC, Mountain View, CA (US)
PCT Filed Aug. 31, 2020, PCT No. PCT/US2020/048795
§ 371(c)(1), (2) Date Dec. 6, 2022,
PCT Pub. No. WO2022/010508, PCT Pub. Date Jan. 13, 2022.
Claims priority of provisional application 63/048,501, filed on Jul. 6, 2020.
Prior Publication US 2023/0222976 A1, Jul. 13, 2023
Int. Cl. G09G 3/3233 (2016.01)
CPC G09G 3/3233 (2013.01) [G09G 2300/0819 (2013.01); G09G 2300/0842 (2013.01); G09G 2300/0861 (2013.01); G09G 2320/0233 (2013.01); G09G 2330/06 (2013.01)] 28 Claims
OG exemplary drawing
 
1. A computing device comprising:
a display comprising a plurality of pixels;
one or more sensors positioned underneath the display and configured to emit electromagnetic radiation through the display during operation; and
one or more processors configured to:
program the pixels of the plurality of pixels during non-emission periods of frames of a plurality of frames based on image data of the frames;
cause pixels of the plurality of pixels to emit light during emission periods of the frames, wherein an amount of light emitted by the pixels during an emission period of a particular frame is based on the programming for the particular frame; and
synchronize operation of the one or more sensors and operation of the plurality of pixels by at least causing the one or more sensors to alternatingly emit the electromagnetic radiation during emission periods and non-emission periods, wherein, to cause the one or more sensors to alternatingly emit the electromagnetic radiation during emission periods and non-emission periods, the one or more processors are configured to:
cause the one or more sensors to emit the electromagnetic radiation during a particular emission period; and
cause the one or more sensors to emit the electromagnetic radiation during a non-emission period temporally adjacent to the particular emission period.
 
17. A method comprising:
programming, during non-emission periods of frames of a plurality of frames based on image data of the frames, pixels of a plurality of pixels of a display of a computing device;
causing, during emission periods of the frames, pixels of the plurality of pixels to emit light, wherein an amount of light emitted by the pixels during an emission period of a particular frame is based on the programming for the particular frame; and
synchronizing operation of one or more sensors and operation of the plurality of pixels by at least causing the one or more sensors to alternatingly emit, through the display, electromagnetic radiation during emission periods and non-emission periods, wherein causing the one or more sensors to alternatingly emit the electromagnetic radiation during emission periods and non-emission periods comprises:
causing the one or more sensors to emit the electromagnetic radiation during an emission period of a frame of the plurality of frames; and
refraining from causing the one or more sensors to emit the electromagnetic radiation during an emission period of a subsequent frame of the plurality of frames until after causing the one or more sensors to emit the electromagnetic radiation during a non-emission period.
 
24. A computing device comprising:
a display comprising a plurality of pixels;
one or more sensors positioned underneath the display and configured to emit electromagnetic radiation through the display during operation; and
one or more processors configured to:
program the pixels of the plurality of pixels during non-emission periods of frames of a plurality of frames based on image data of the frames;
cause pixels of the plurality of pixels to emit light during emission periods of the frames, wherein an amount of light emitted by the pixels during an emission period of a particular frame is based on the programming for the particular frame; and
synchronize operation of the one or more sensors and operation of the plurality of pixels by at least causing the one or more sensors to alternatingly emit the electromagnetic radiation during emission periods and non-emission periods, wherein, to cause the one or more sensors to alternatingly emit the electromagnetic radiation during emission periods and non-emission periods, the one or more processors are configured to:
cause the one or more sensors to emit the electromagnetic radiation during an emission period of an Nth frame of the plurality of frames; and
cause the one or more sensors to emit the electromagnetic radiation during a non-emission period of an N+1st frame of the plurality of frames.