Drive system of liquid crystal display panel and liquid crystal display device
A liquid crystal display panel and drive system technology, applied to static indicators, instruments, etc., can solve the problems of increased wiring difficulty, difficult implementation, and increased cost, and achieve the effects of simple wiring, improved yield, and low cost
Active Publication Date: 2018-04-20
KUSN INFOVISION OPTOELECTRONICS
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Problems solved by technology
However, since the buck-boost module 16 is equipped with various electronic components such as the chip TPS63031, the inductor L1, the input capacitor C1, and the output capacitor C2, the driving system of the liquid crystal display panel in the prior art increases the design cost. , and for the wiring of narrow printed circuit boards, it increases the difficulty of wiring and is not easy to implement
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[0015] In order to further explain the technical means and effects of the present invention to achieve the intended purpose of the invention, the specific implementations of the driving system of the liquid crystal display panel and the liquid crystal display device according to the present invention will be given with reference to the accompanying drawings and preferred embodiments. The method, steps, structure, characteristics and effects are described in detail below.
[0016] The foregoing and other technical contents, features, and effects of the present invention will be clearly presented in the following detailed description of the preferred embodiment with reference to the drawings. Through the description of the specific embodiments, the technical means and effects of the present invention to achieve the intended purpose can be understood more deeply and specifically. However, the accompanying drawings are only for reference and description, and are not used to describe t...
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The present invention provides a driving system for a liquid crystal display panel, which includes a detection circuit, a timing control circuit, and a driving circuit. The circuit is connected, and the timing control circuit is connected with the driving circuit. Among them, when the detection circuit detects that the voltage output by the front-end equipment is lower than 3.0V, the detection circuit outputs a low-level signal to the timing control circuit, and the timing control circuit outputs the first frequency data signal to the drive circuit. When the detection circuit detects When the voltage output by the front-end device is higher than 3.0V, the detection circuit outputs a high-level signal to the timing control circuit, and the timing control circuit outputs the second frequency data signal to the driving circuit. The present invention also provides a liquid crystal display device comprising the driving system of the above liquid crystal display panel. The driving system of the liquid crystal display panel and the liquid crystal display device of the present invention have low cost and simple wiring.
Description
Technical field [0001] The present invention relates to the field of display technology, in particular to a driving system of a liquid crystal display panel and a liquid crystal display device including the driving system of the liquid crystal display panel. Background technique [0002] Liquid Crystal Display (LCD) has many advantages, such as light and thin, energy saving, and non-radiation. Therefore, it has gradually replaced the traditional cathode ray tube (CRT) display. At present, liquid crystal displays are widely used in high-definition digital televisions, desktop computers, personal digital assistants (PDAs), notebook computers, mobile phones, digital cameras and other electronic devices. [0003] Generally, the liquid crystal display is tested before leaving the factory to detect whether the liquid crystal display panel is abnormal. Among them, the liquid crystal display receives the voltage signal and the data signal output by the front-end device, and detects whethe...
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IPC IPC(8): G09G3/36
Inventor 何甲吴春芸祖波
Owner KUSN INFOVISION OPTOELECTRONICS