Display device and temperature sensing control module thereof

A technology of temperature sensing elements and comparators, applied in temperature control, instruments, non-electric variable control, etc., can solve the problems of inability to watch TV, limited operating temperature of TV, etc., to avoid excessive temperature rise and prevent stop operation Effect

Inactive Publication Date: 2019-02-22
SHENZHEN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This will cause the TV's working temperature to be limited, especially in environments with poor ventilation, poor heat dissipation, or outdoor exposure, it is easy to trigger the One Time Programmable (OTP

Method used

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  • Display device and temperature sensing control module thereof

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Embodiment Construction

[0017] The following descriptions of the various embodiments refer to the accompanying drawings to illustrate specific embodiments in which the present invention can be practiced. Furthermore, the directional terms mentioned in the present invention are, for example, up, down, top, bottom, front, back, left, right, inside, outside, side, surrounding, central, horizontal, transverse, vertical, longitudinal, axial, The radial direction, the uppermost layer or the lowermost layer, etc. are only directions referring to the attached drawings. Therefore, the directional terms used are used to illustrate and understand the present invention, but not to limit the present invention.

[0018] Please refer to figure 1 As shown, the temperature-sensing control module of an embodiment of the present invention may include a temperature-controlled voltage divider 1 and a converter 2, and the temperature-controlled voltage divider 1 may have a current-limiting element 11 and a temperature-se...

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Abstract

The invention discloses a display device and a temperature sensing control module thereof. The temperature sensing control module comprises a temperature control voltage divider and a converter. The temperature control voltage divider includes a current limiting component and a temperature sensing component. The current limiting component and the temperature sensing component are connected in series between a high voltage end and a low voltage end to form a series connection point. The converter has a plurality of comparators; each of the plurality of comparators includes a first input terminal, a second input end, and an output end; the first input end is coupled to the series connection point; and the second input ends of the plurality of comparators receive a plurality of different reference values, wherein the plurality of reference value are greater than zero; and the plurality of comparators carry out comparison with the plurality of reference values based on a voltage dividing value from the series connection point to output a comparison result at the output end.

Description

technical field [0001] The invention relates to a temperature-sensing control module, in particular to a temperature-sensing control module and a display which are applied to the temperature-sensing control requirements of electric appliances. Background technique [0002] For a large-sized display, take a TV as an example, because the larger the size of the TV, the higher the resolution, and the higher the refresh rate, the operating current required by the TV is getting larger and larger. Moreover, since the integrated circuits (ICs) used in current TV driving circuits all have a certain working temperature limit, for example, the temperature limit required by the pulse width modulation integrated circuit (PWM IC) is 150°C. [0003] In the current panel driver design, the limited temperature range that can be used has basically reached the limit, for example: the maximum operating temperature marked in the specification is only 45°C. This will cause the TV's working tempe...

Claims

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Application Information

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IPC IPC(8): G05D23/24H04N5/64
CPCG05D23/24H04N5/64
Inventor 张先明
Owner SHENZHEN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
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