Electronic device and ambient light sensing method thereof

An ambient light sensing method of an electronic device, said electronic device comprising an organic light-emitting diode (OLED) display and an ambient light sensor, said OLED display comprising a plurality of pixel rows adjacent to each other, said ambient light sensor disposed under said plurality of pixel rows, said ambient light sensing method comprising following steps:

• sensing light by said ambient light sensor in a first sensing interval to generate a first sensing value, and making brightness of said plurality of pixel rows changes in sequence from a first brightness to a second brightness in said first sensing interval;
• sensing light by said ambient light sensor in a second sensing interval to generate a second sensing value, wherein said second sensing interval and said first sensing interval have an identical time length, and said plurality of pixel rows has said second brightness in said second sensing interval;
• and
• acquiring an ambient light intensity according to said first sensing value and said second sensing value;
• wherein said plurality of pixel rows have an identical hue in said first sensing interval and said second sensing interval.

An ambient light sensing method of an electronic device, said electronic device comprising an organic light-emitting diode (OLED) display and an ambient light sensor, said OLED display comprising a plurality of pixel rows adjacent to each other, said ambient light sensor disposed under said plurality of pixel rows, said ambient light sensing method comprising following steps:

• sensing light by said ambient light sensor in a first sensing interval to generate a first sensing value, wherein said first sensing interval comprises a first period and a second period, and each said pixel row has a first brightness in said first period and has a second brightness in said second period;
• sensing light by said ambient light sensor in a second sensing interval to generate a second sensing value, wherein said second sensing interval and said first sensing interval have an identical time length, and each said pixel row has said second brightness in said second sensing interval;
• and
• acquiring an ambient light intensity according to said first sensing value and said second sensing value;
• wherein each said pixel row has an identical hue in said first sensing interval and said second sensing interval.

An electronic device, comprising:

• an organic light-emitting diode (OLED) display, including a plurality of pixels;
• and
• an ambient light sensor, disposed under a first pixel of said plurality of pixels, configured to generate a first sensing value in a first sensing interval, generate a second sensing value in a second sensing interval, and acquire an ambient light intensity according to said first sensing value and said second sensing value;
• wherein said first sensing interval comprises a first period and a second period, and said first pixel has a first brightness in said first period and has a second brightness in said second period;
• wherein said second sensing interval and said first sensing interval have an identical time length, and said first pixel has said second brightness in said second sensing interval;
• wherein said first pixel has an identical hue in said first sensing interval and said second sensing interval.

An electronic device, comprising:

• an organic light-emitting diode (OLED) display, including a plurality of pixel rows adjacent to each other;
• and
• an ambient light sensor, disposed under said plurality of pixel rows, configured to generate a first sensing value in a first sensing interval, generate a second sensing value in a second sensing interval, and acquire an ambient light intensity according to said first sensing value and said second sensing value;
• wherein brightness of said plurality of pixel rows changes from a first brightness to a second brightness in said first sensing interval;
• wherein said second sensing interval and said first sensing interval have an identical time length, and said plurality of pixel rows has said second brightness in said second sensing period;
• wherein said plurality of pixel rows has an identical hue in said first sensing interval and said second sensing interval.

An electronic device, comprising:

• an organic light-emitting diode (OLED) display, including a plurality of pixel rows adjacent to each other;
• and
• an ambient light sensor, disposed under said plurality of pixel rows, configured to generate a first sensing value in a first sensing interval, generate a second sensing value in a second sensing interval, and acquire an ambient light intensity according to said first sensing value and said second sensing value;
• wherein said first sensing interval comprises a first period and a second period, and each said pixel row has a first brightness in said first period and has a second brightness in said second period;
• wherein said second sensing interval and said first sensing interval have an identical time length, and each said pixel row has said second brightness in said second sensing period;
• wherein each said pixel row has an identical hue in said first sensing interval and said second sensing interval.