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1. (WO2018052732) DUAL-LOOP DISPLAY SENSING FOR COMPENSATION

Pub. No.:    WO/2018/052732    International Application No.:    PCT/US2017/049767
Publication Date: Fri Mar 23 00:59:59 CET 2018 International Filing Date: Fri Sep 01 01:59:59 CEST 2017
IPC: G09G 3/3233
G09G 3/3225
Applicants: APPLE INC.
Inventors: LIN, Hung Sheng
RICHMIND, Jesse A.
VAHID FAR, Mohammad B.
JUNG, Tobias
RYU, Jie Won
NHO, Hyunwoo
BRAHMA, Kingsuk
CHANG, Sun-II
TAN, Junhua
ALBRECHT, Marc
YEH, Chih-Wei
WANG, Chaohao
Title: DUAL-LOOP DISPLAY SENSING FOR COMPENSATION
Abstract:
Devices, storage media, and methods for compensating for aging and temperature variations using dual-loop compensation are provided. The compensating for temperature and aging variations of one or more pixels of the display using a coarse scan loop updated at a faster rate. Compensation also includes compensating for aging variations of the one or more pixels of the display using a fine scan loop updated at a slower rate.