Title:
METHOD, DEVICE, STORAGE MEDIUM, AND ELECTRONIC APPARATUS FOR CHANGING BACKGROUND GRAYSCALE LEVEL TO SAVE POWER
Document Type and Number:
WIPO Patent Application WO/2018/161591
Kind Code:
A1
Abstract:
Disclosed in embodiments of the present application are a method, device, storage medium, and electronic apparatus for changing a background grayscale level to save power. The method comprises: if a backlight control function is in an on state, then detecting a current grayscale level of an image currently being displayed on a screen; if the current grayscale level is greater than a first grayscale threshold, then lowering a grayscale level of a background image on the screen, and refreshing a display frame on the screen; and adjusting, on the basis of the backlight control function, a grayscale level and screen backlight brightness for the refreshed display frame on the screen.
Inventors:
ZHENG ZHIYONG (CN)
YI YONGPENG (CN)
GOU SHENGJUN (CN)
YUAN XIAORI (CN)
GAN GAOTING (CN)
YANG HAI (CN)
PENG DELIANG (CN)
YI YONGPENG (CN)
GOU SHENGJUN (CN)
YUAN XIAORI (CN)
GAN GAOTING (CN)
YANG HAI (CN)
PENG DELIANG (CN)
Application Number:
PCT/CN2017/107184
Publication Date:
September 13, 2018
Filing Date:
October 21, 2017
Export Citation:
Assignee:
GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD (CN)
International Classes:
H04W52/02; H04M1/72448
Foreign References:
| JP2011216944A | 2011-10-27 | |||
| CN105096875A | 2015-11-25 | |||
| CN106937371A | 2017-07-07 | |||
| CN101777309A | 2010-07-14 | |||
| US20040104919A1 | 2004-06-03 |
Attorney, Agent or Firm:
ESSEN PATENT & TRADEMARK AGENCY (CN)
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