Display module and brightness adjustment method of display module

Abstract

The invention provides a display module and a brightness adjustment method of a display module. The display module comprises a panel assembly, a driving device and a brightness adjustment device. The driving device comprises a driving integrated circuit for driving the display module to be displayed at various brightness; and a communication module which communicates with an optical detection instrument, and after the optical detection instrument detects a maximum brightness value of the display module, obtains the detected maximum brightness value and sends the maximum brightness value to the driving integrated circuit, wherein the driving integrated circuit stores the maximum brightness value, or a brightness grade corresponding to the maximum brightness value or coding of the maximum brightness value in a predetermined memory of the driving device of the display module. The brightness adjustment device communicates with the driving device and adjusts the brightness of the display module. The device and method provided by the invention can reduce power consumption through reducing driving currents of a high-brightness display module, can prolong the service life, and enhances the brightness consistency.

Description

technical field [0001] The invention relates to the field of electronic equipment, in particular to a device and method for effectively reducing the overall power consumption of a portable display device. Background technique [0002] In recent years, smartphones have developed rapidly, but their power consumption is much higher than that of feature phones in the early years, resulting in shorter usage times and frequent charging. This problem has always been criticized by users. The main reason for the short lifespan of smartphones is because their high-resolution screens are often lit, which consumes a lot of power. Similarly, other portable terminals with display modules (for example, tablet computers, game consoles, etc.) also have the same problem. [0003] Existing display modules include liquid crystal modules (LCMs), organic light emitting diodes (OLEDs), and other types of display modules. Taking a liquid crystal module (LCM) as an example, the liquid crystal modu...

AI Technical Summary

Problems solved by technology

[0002] In recent years, smart phones have developed rapidly, but the power consumption is much higher than that of the early feature phones, resulting in a shorter use time of mobile phones and the need for frequent charging. This problem has always been criticized by users

Taking the LCD screen of a mobile phone as an example, the overall consistency of the LED lights of the backlight module is not good, which will cause a wide range of the maximum brightness of some screens (for example, 400nits to 600nits), resulting in a batch of mobile phones with high brightness. some low brightness

[0004] For the actual use of users, the high brightness of the LCM device does not bring any beneficial value, but only increases the power consumption of the portable terminal.

However, if the brightness of the LCM application equipment is uniformly reduced, the brightness of some LCM application equipment with low brightness will become very low, which will make the user's naked eyes feel difficult

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