Segmentation LCD display method and device

A technology of LCD display and display method, applied to static indicators, instruments, etc., can solve the problem of high power consumption, achieve the effects of prolonging life, reducing high power consumption, and increasing reliability

Inactive Publication Date: 2017-12-15
GREE ELECTRIC APPLIANCES INC
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Problems solved by technology

[0005] Embodiments of the present invention provide a segment LCD display method and device, which are used to solve the technical problem of high power consumption of the segment LCD device in the prior art, and realize the technical effect of low power consumption of the segment LCD device

Method used

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  • Segmentation LCD display method and device
  • Segmentation LCD display method and device

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Experimental program
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specific Embodiment approach

[0073] The first implementation mode:

[0074] sending an image display trigger signal to the driver through the timer;

[0075] Each time the driver receives the image display trigger signal, it reads one frame of the M frames of images from the memory according to the first address until each frame of the M frames of images Read in sequence.

[0076] The second implementation mode:

[0077] sending an image display trigger signal to the driver through the timer;

[0078] After the driver receives the image display trigger signal, it sequentially reads the M frames of images from the memory according to the first address.

[0079] Specifically, when using the above-mentioned first implementation mode, after the processor CPU enters the sleep state, when the RTC module counts for 2 seconds according to the current time interval in the register M4, the RTC module will send a display image to be updated to the LCD Driver After the LCD Driver receives the trigger signal that ...

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Abstract

The present invention discloses a segmentation LCD (Liquid Crystal Display) display method and device which are applied to a segmentation LCD device. The segmentation LCD device comprises a processor, a driver and a LCD display. The method comprises: when the processor is located in a state of dormancy, image content corresponding to a first address is read through the driver; and the driver drives the LCD display to display the image content to avoid the condition that the updating of display images each time through the segmentation LCD device has to depend on the participation of the processor CPU in the prior art so as to effectively solve the technical problem that the segmentation LCD device is high in power consumption in the prior art and reduce the high power consumption of the segmentation LCD device.

Description

technical field [0001] The invention relates to the technical field of displays, in particular to a segment LCD display method and equipment. Background technique [0002] Segment LCD (Liquid Crystal Display, liquid crystal display) display is widely used in human-computer interaction of single-chip microcomputer due to its advantages of friendly interface and low production cost. [0003] At present, there are remote controllers for devices with segment LCD displays. The remote control includes segment LCD chips. Power consumption is a very important parameter to measure segment LCD chips. Higher power consumption density will cause the temperature of the chip to rise. , affecting the reliability of the segment LCD circuit and reducing the life of devices in the segment LCD. However, LCD display products with segment LCD chips, such as remote controls, must rely on the participation of the processor CPU to complete each update of the displayed image, thus resulting in high...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/36
CPCG09G3/3611
Inventor 卢知伯陈恒方励易东柏
Owner GREE ELECTRIC APPLIANCES INC
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