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A liquid crystal display component heating method under low temperature and low pressure environment

A liquid crystal display, low pressure technology, applied in temperature control, instruments, optics, etc., can solve the problems of high heating power consumption and poor heating reliability, and achieve the effect of reducing heating power consumption, improving heating efficiency, and improving heating reliability.

Active Publication Date: 2022-01-18
NO 55 INST CHINA ELECTRONIC SCI & TECHNOLOGYGROUP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to invent a liquid crystal display component heating method under low temperature and low pressure environment in view of the lack and deficiency of the heating design method of the existing liquid crystal display component in a low temperature and low pressure environment, poor heating reliability, and large heating power consumption.

Method used

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  • A liquid crystal display component heating method under low temperature and low pressure environment

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Experimental program
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Effect test

Embodiment 1

[0024] like figure 1 shown.

[0025] A method for heating a liquid crystal display assembly in a low temperature and low pressure environment. For the liquid crystal display assembly heated behind the screen, an air pressure sensing device and a temperature sensing device are simultaneously arranged inside the liquid crystal display assembly, and the air pressure sensing device is used to detect the ambient air pressure value. Change and feed back to the circuit heating control module for first-level regulation of heating power consumption. The temperature sensing device monitors the screen temperature in real time, and feeds back to the circuit heating control module for second-level dynamic regulation of heating power consumption.

[0026] Now it is required that a certain liquid crystal display component can work normally under the low temperature and low pressure environment of -45°C and 57.33KPa. The design value of heating power consumption under normal pressure environm...

Embodiment 2

[0028] like figure 1 shown.

[0029] A method for heating a liquid crystal display assembly in a low temperature and low pressure environment. For the liquid crystal display assembly heated behind the screen, an air pressure sensing device and a temperature sensing device are simultaneously arranged inside the liquid crystal display assembly, and the air pressure sensing device is used to detect the ambient air pressure value. Change and feed back to the circuit heating control module for first-level regulation of heating power consumption. The temperature sensing device monitors the screen temperature in real time, and feeds back to the circuit heating control module for second-level dynamic regulation of heating power consumption.

[0030] Now it is required that a certain liquid crystal display component can work normally under the low temperature and low pressure environment of -40°C and 30.1KPa. The design value of heating power consumption under normal pressure environme...

Embodiment 3

[0032] like figure 1 shown.

[0033] A method for heating a liquid crystal display assembly in a low temperature and low pressure environment. For a liquid crystal display assembly heated behind a screen, an air pressure sensing device and a temperature sensing device are simultaneously arranged inside the liquid crystal display assembly, and the air pressure sensing device is used to detect the ambient air pressure value. Change and feed back to the circuit heating control module for first-level regulation of heating power consumption. The temperature sensing device monitors the screen temperature in real time, and feeds back to the circuit heating control module for second-level dynamic regulation of heating power consumption.

[0034] Now it is required that a certain liquid crystal display component can work normally under the low temperature and low pressure environment of -45°C and 69.65KPa. The design value of heating power consumption in the normal pressure environment...

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Abstract

A liquid crystal display component heating method under low temperature and low pressure environment. For the liquid crystal display component heated behind the screen, an air pressure sensing device and a temperature sensing device are installed inside the liquid crystal display component at the same time, and the ambient air pressure value is detected by the air pressure sensing device. Change and feed back to the circuit heating control module for primary regulation of heating power consumption, the temperature sensing device monitors the screen temperature in real time, and feeds back to the circuit heating control module for secondary dynamic regulation of heating power consumption. The invention can not only improve the heating reliability in the environment of low temperature and low pressure, but also can save energy and reduce consumption.

Description

technical field [0001] The invention relates to a liquid crystal display technology, in particular to a low temperature liquid crystal display technology of a liquid crystal display assembly heated behind a screen, in particular to a liquid crystal display assembly heating method in a low temperature and low pressure environment. Background technique [0002] The LCD screen itself cannot work normally in an extremely low temperature environment as an independent individual, and maintain a relatively smooth display effect. The general method is to heat the LCD screen, so that the LCD component has the ability to work at low temperature. At present, about There are relatively mature solutions for the low-temperature heating design of liquid crystal display components, including the application of heating glass and auxiliary heating compensation, which improves the heating uniformity while meeting the low-temperature working requirements of liquid crystal display components. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02F1/1333G05D23/20
CPCG02F1/133382G05D23/20
Inventor 王璐李忠良洪乙又郑国兵
Owner NO 55 INST CHINA ELECTRONIC SCI & TECHNOLOGYGROUP CO LTD
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