The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 23, 2024
Filed:
Jun. 24, 2021
Apple Inc., Cupertino, CA (US);
Mahesh B. Chappalli, San Jose, CA (US);
Assaf Menachem, Hod Hasharon, IL;
Daniel Yechiel Dar, Givatayim, IL;
Ido Yaacov Soffair, Tel-Aviv, IL;
Apple Inc., Cupertino, CA (US);
Abstract
An electronic display device has a panel that operates in conjunction with a light-emitting diode (LED) backlight. The device 'slopes' or gradually ramps a change in brightness of an LED based on a target brightness value of the LED, a current brightness value of the LED, and temperature at the LED. The device also may limit power to the backlight based on an estimated power consumption of a current row of LEDs of the backlight and power consumption of the other rows of LEDs. The device also may determine a reduced voltage to supply to an LED based on a current to supply to the LED to cause the LED to operate. The device also may send an interrupt to the backlight to block updates to the backlight while image content is written to pixels of the panel. The device further compensates for aging of and temperature at an LED.