Liquid crystal display panel
A liquid crystal display panel and liquid crystal screen technology, applied to static indicators, instruments, etc., can solve the problems that the driving signal is easily interfered and affects the driving effect of the control chip on the driver, so as to ensure the driving effect and reduce the interference effect
Inactive Publication Date: 2013-09-18
HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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Problems solved by technology
[0003] However, at present, the control chip and the driving module are mainly directly connected through copper wires. Due to the existence of certain resistance in the copper wire and the easy generation of parasitic capacitance in the circuit, the driving signal is easily disturbed during the transmission process, so that the control chip is affected. drive effect
Method used
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[0012] Such as figure 1 As shown, a liquid crystal display panel 100 provided by the first embodiment of the present invention includes a liquid crystal display 10 , a driving module 20 , a circuit module 30 , a signal transmission module 40 and a modem 50 .
[0013] The liquid crystal screen 10 includes a plurality of liquid crystal units 11, the plurality of liquid crystal units 11 are arranged in an array, the liquid crystal units 11 in the same row are connected to a gate line GL, and the liquid crystal units 11 in the same column are connected to a data line DL connection. When all the liquid crystal units 11 in the liquid crystal screen 10 realize light shielding and light transmission under the control of the gate line GL and the data line DL, different images are displayed on the liquid crystal screen 10 .
[0014] The driving module 20 is used to drive the liquid crystal cells 11 in the liquid crystal panel 10 to be turned off and on, and includes a source driver 21 ...
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The invention provides a liquid crystal display panel, which comprises a liquid crystal screen, a driving module, a control chip and a signal transmission module, wherein the driving module is connected with the liquid crystal screen; the signal transmission module is connected between the driving module and the control chip, and comprises an optical waveguide, a laser transmitter and a laser receiver; the laser transmitter is connected between the control chip and the optical waveguide; the laser receiver is connected between the optical waveguide and the driving module; the laser transmitter is used for converting a driving signal output by the control chip into an optical signal, and transmitting the optical signal to the optical waveguide; the laser receiver is used for receiving the optical signal transmitted by the optical waveguide, and converting the optical signal into a driving signal; and the driving module is used for driving the liquid crystal screen to display an image according to the driving signal. According to the liquid crystal display panel, the optical waveguide is used as a medium for signal transmission between the control chip and the driving module, so that interference to the driving signal in a signal transmission process is effectively reduced.
Description
technical field [0001] The invention relates to a liquid crystal display panel, in particular to a liquid crystal display panel capable of reducing interference to driving signals. Background technique [0002] A liquid crystal display panel generally includes a liquid crystal screen, a driving module, a circuit board and a control chip. The driving module is used to drive the liquid crystal screen to display images, and the control chip is arranged on the circuit board. The circuit board is electrically connected with the driving module to provide power thereto. The control chip is electrically connected to the driving module to provide driving signals thereto. [0003] However, at present, the control chip and the driving module are mainly directly connected through copper wires. Due to the existence of certain resistance in the copper wire and the easy generation of parasitic capacitance in the circuit, the driving signal is easily disturbed during the transmission proc...
Claims
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Inventor 许义忠
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD