BACKLIGHT CONTROL METHOD FOR AN ELECTRONIC DISPLAY DEVICE

• US 20100248791A1
• Filed: 01/20/2009
• Published: 09/30/2010
• Est. Priority Date: 06/13/2008
• Status: Abandoned Application

• Current Assignee: TCL TIAN YI Mobile Communications Company Limited
• Original Assignee: TCL TIAN YI Mobile Communications Company Limited
• Inventors: Lu, Yan Sheng
• Application Number:
  US12/741,820
• Publication Number:
  US 20100248791A1
• Time in Patent Office: Days
• US Class Current: 455/566
• CPC Class Codes: H04M 1/22 Illumination; Arrangements for improving the visibility of characters on dials
• CPC Class Codes: H04M 2250/74 with voice recognition means voice activated dialling H04M1/271; voice recognition algorithms G10L15/00
• CPC Class Codes: H04W 52/027 by controlling a display operation or backlight unit
• CPC Class Codes: Y02D 30/70 in wireless communication networks

Abstract

A backlight control method for an electronic display device comprises the following steps: monitoring whether the user has triggered a backlight control signal; testing whether backlight has been turned on; based on the backlight control signal triggered by the user, performing the appropriate backlight control. The backlight control method for an electronic display device provided by the present invention can promptly control the backlight of an electronic display device according to user requirements. In particular, it can promptly turn off the backlight, thus effectively saving energy and prolonging the lifecycle of the electronic display device.

Claims

1. A backlight control method for an electronic display device, the method comprising the following steps:

monitoring whether the user has triggered a backlight control signal;

testing whether backlight has been turned on; and

based on the backlight control signal triggered by the user, performing the appropriate backlight control.

2. The backlight control method for an electronic display device according to claim 1, wherein the electronic device is a cell phone.

3. The backlight control method for an electronic display device according to claim 1 or 2, wherein the backlight control signal is a signal to turn off the backlight.

4. The backlight control method for an electronic display device according to claim 1 or 2, wherein the backlight control signal is a signal to lower the backlight.

5. The backlight control method for an electronic display device according to claim 1 or 2, wherein the backlight control signal is triggered by a dedicated key.

6. The backlight control method for an electronic display device according to claim 1 or 2, wherein the backlight control signal is triggered by a key customized by the user.

7. The backlight control method for an electronic display device according to claim 1 or 2, wherein the backlight control signal is triggered by way of voice control.

8. The backlight control method for an electronic display device according to claim 1 or 2, wherein the step of testing whether the backlight has turned on is achieved by viewing the interface that calls the platform, wherein if the backlight is lit up, then the result is 0, otherwise the result is −

1.