Heating module for liquid crystal display and liquid crystal heating method thereof
A liquid crystal display and heating module technology, which is applied to static indicators, instruments, non-electric variable control, etc., can solve the problems of image quality impact, decrease of contrast ratio of liquid crystal display 1, slow reaction speed of liquid crystal molecules, etc., and achieve accurate acquisition Effect
Inactive Publication Date: 2010-02-24
PEGATRON
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Problems solved by technology
When the liquid crystal display 1 is in a low-temperature environment, when the external temperature is lower than the operating temperature of the liquid crystal material, the external low temperature will cause the entire liquid crystal display 1 to slow down the reaction speed of the liquid crystal molecules due to the low temperature. When displaying dynamic pictures, image sticking is easy to occur. In addition, the contrast of the LCD 1 will also decrease, or problems such as uneven color will occur, and the image quality will also be affected.
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[0019] figure 2 Shown is a block diagram of a heating module of a liquid crystal display according to a preferred embodiment of the present invention, image 3 Shown is a schematic diagram of a heating module of a liquid crystal display disposed on a liquid crystal display according to a preferred embodiment of the present invention. Please also refer to figure 2 and image 3 .
[0020] In this embodiment, the heating module 3 includes a temperature sensing unit 31 , a first flexible circuit board 313 , a second flexible circuit board 314 , a controller 37 , and a heating unit 38 .
[0021] In this embodiment, the temperature sensing unit 31 further includes a first temperature sensor 311 , a second temperature sensor 312 , a calculation unit 32 , an amplifier 33 , an analog-to-digital converter 34 , a comparator 35 , and a register 36 . In other embodiments, the temperature sensing unit 31 can be a digital temperature sensing integrated circuit (IC).
[0022] The contr...
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The invention discloses a heating module for a liquid crystal display and a liquid crystal heating method thereof. The liquid crystal display comprises a first glass panel, a second glass panel and aliquid crystal layer arranged between the first and the second glass panels. The liquid crystal heating method comprises the following steps: firstly, sensing the temperatures of the first and the second glass panels, and calculating the average temperature of the liquid crystal layer according to temperature values of the first and the second glass panels; then, comparing the average temperaturewith a preset temperature; and when the average temperature is lower than the preset temperature, heating the liquid crystal display.
Description
technical field [0001] The invention relates to a liquid crystal display, in particular to a liquid crystal display with a heating unit and a liquid crystal heating method thereof. Background technique [0002] In recent years, personal computers and televisions have become thinner and lighter, and therefore, displays have also been designed to be thinner and lighter. Accordingly, flat panel displays including Liquid Crystal Displays (LCDs) have replaced conventional cathode ray tube (CRT) displays. [0003] figure 1 Shown is a schematic structural view of a known liquid crystal display. Please refer to figure 1 , the liquid crystal display 1 includes a liquid crystal display panel 10 and a backlight module 20 . The backlight module 20 is disposed on the bottom surface of the liquid crystal display panel 10 . [0004] The liquid crystal display panel 10 includes a first glass panel 11 , a second glass panel 12 , and a liquid crystal layer 13 . The first glass panel 11 ...
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IPC IPC(8): G02F1/133G05D23/20
Inventor 林志雄田凯诚
Owner PEGATRON