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Method for adjusting screen brightness and mobile terminal

A mobile terminal and screen brightness technology, applied in static indicators, instruments, etc., can solve problems such as flickering screens, and achieve the effect of avoiding flickering screens and solving flickering screens in high-brightness environments

Active Publication Date: 2020-06-30
VIVO MOBILE COMM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in the high-brightness mode mentioned above, using non-continuous dimming will cause flickering problems

Method used

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  • Method for adjusting screen brightness and mobile terminal
  • Method for adjusting screen brightness and mobile terminal
  • Method for adjusting screen brightness and mobile terminal

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] refer to figure 2 , which shows a flow chart of the steps of a method for adjusting screen brightness in Embodiment 1 of the present invention, which may specifically include the following steps:

[0030] Step 101, when a change in ambient brightness is detected, determine whether a minimum brightness value corresponding to the change in ambient brightness reaches a preset brightness value.

[0031] The embodiments of the present invention are applicable to mobile terminals with AMOLED screens, such as mobile phones and tablet computers.

[0032] Wherein, the preset brightness value is different according to the changing direction of the ambient brightness. Such as figure 1 As shown, when the ambient brightness increases, the preset brightness value is LX2, so that LX1 increases to LX2, LX2 increases to LX3, and LX3 increases to LX4 all reach the preset brightness value; when the ambient brightness decreases, the preset brightness The value is LX1, decreasing from L...

Embodiment 2

[0042] refer to image 3 , which shows a flow chart of the steps of a screen brightness adjustment method according to Embodiment 2 of the present invention, which may specifically include the following steps:

[0043] Step 201, when a change in ambient brightness is detected, determine whether the minimum brightness value corresponding to the change in ambient brightness reaches a preset brightness value.

[0044] For this step, reference may be made to step 101, which will not be repeated here.

[0045] Step 202, if reached, determine the gear of the automatic current limiting function of the screen according to the change of the ambient brightness.

[0046] Among them, the gears of the automatic current limit correspond to the level of power saving, and the number of gears and specific values ​​are provided by the manufacturer. For example, the three gears of 10%, 15%, and 20% correspond to power saving of 10%, 15%, and 20%, and the power saving ranges from low to high. ...

Embodiment 3

[0064] refer to Figure 4 , shows a structural block diagram of a mobile terminal according to Embodiment 3 of the present invention.

[0065] The mobile terminal 300 includes: a brightness detection module 301 , a current limit switching module 302 , and a brightness adjustment module 303 .

[0066] The functions of each module and the interaction between each module are introduced in detail below.

[0067] The brightness detection module 301 is configured to determine whether the minimum brightness value corresponding to the ambient brightness change reaches a preset brightness value when a change in ambient brightness is detected.

[0068] The current limit switching module 302 is configured to switch the switch of the automatic current limit function of the screen according to the change of the ambient brightness if the current limit is reached.

[0069] A brightness adjustment module 303, configured to adjust the brightness of the mobile terminal screen in sections thro...

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Abstract

The invention provides a screen brightness adjusting method and a mobile terminal. The method comprises the following steps: when ambient brightness change is detected, whether a minimum brightness value corresponding to the ambient brightness change reaches a preset brightness value is determined; if yes, switches for an automatic current limiting function for a screen are switched according to the ambient brightness change, and brightness of the screen of the mobile terminal is adjusted in a segmented manner via the automatic current limiting function. A splash screen problem in a high brightness environment can be solved, screen brightness can be adjusted via an automatic current limiting gray scale gradual change adjustment function, and the splash screen problem in the high brightnessenvironment can be prevented.

Description

technical field [0001] The invention relates to the technical field of mobile terminals, in particular to a screen brightness adjustment method and a mobile terminal. Background technique [0002] AMOLED (Active-matrix organic light emitting diode, active-matrix organic light-emitting diode) screens are widely used in mobile terminals due to their wider viewing angle, higher refresh rate and thinner size. However, the lifespan of AMOLED screens decreases as brightness increases. [0003] In practical applications, in order to improve the service life of the AMOLED screen, the highlight display mode of the screen is turned on when the ambient brightness is high, and the highlight display mode is turned off when the ambient brightness is low. Since the high-brightness display mode is used less frequently, discontinuous dimming is adopted in order to save wiring costs. Such as figure 1 As shown, when the ambient brightness is below LX1, the low-brightness display mode is ado...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/3225
Inventor 郭彤
Owner VIVO MOBILE COMM CO LTD