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Display panel drive system

A driving system and display panel technology, applied to static indicators, instruments, etc., can solve problems such as IIC bus conflicts easily, and achieve the effect of solving IIC bus conflicts

Active Publication Date: 2022-05-31
TCL CHINA STAR OPTOELECTRONICS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention provides a display panel driving system to alleviate the technical problem that the IIC bus is easy to conflict existing in the existing LCD panel display panel driving system

Method used

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Embodiment Construction

[0029] The following descriptions of the embodiments are made with reference to the accompanying drawings to illustrate specific implementations in which the invention may be practiced

[0030] The present invention provides a display panel drive system to alleviate the existence of existing liquid crystal panel display panel drive systems

[0031] In the existing liquid crystal panel display panel drive system, as shown in FIG. 1, including a control board (Printed Circuit

[0035] As shown in FIG. 2, the present invention provides a display panel drive system, comprising a first IIC bus 241 and a second IIC

[0036] The control board 21 is provided with a timing control chip 210 and a driver chip 230, and the timing control chip 210 includes a first main

[0042] The programmable gamma calibration buffer circuit chip 2301 is mainly used to generate a gamma reference voltage.

[0043] The role of the power management chip 2302 is to generate various voltages required for the opera...

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PUM

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Abstract

The present invention provides a display panel driving system, comprising a first IIC bus and a second IIC bus, a control board and a movement board, the control board is provided with a timing control chip and a driving chip, and the timing control chip includes a first host interface and a first Slave interface, the driver chip includes a second slave interface, the first host interface is connected to the second slave interface through the first IIC bus; The host interface is connected with the first slave interface through the second IIC bus. By setting the first IIC bus and the second IIC bus which are independent of each other, the separate transmission of information between the timing control chip and the system-on-chip, and the separate transmission of information between the timing control chip and the driver chip can be realized, and the technology that solves the conflict of the IIC bus question.

Description

Display panel drive system technical field [0001] The present invention relates to the field of display technology, and in particular, to a display panel drive system. Background technique [0002] Because the IIC bus (Inter-Integrated Circuit, integrated circuit bus) has fewer signal lines, small size and other advantages, it is widely used in LCD panel display panel drive systems. As shown in Figure 1, in the existing liquid crystal panel display panel drive system, including the control board 11, the movement board 12 and the IIC total Line 13. The control board 11 is provided with a timing control chip (TCON) 101 and a programmable gamma proofreading buffer circuit chip (P-gamma IC) 102 and a power management chip (Power manage IC, PMIC) 103, the core board 12 is provided with a system-on-chip (System on Chip, SOC) 104 and IIC device 105 . The timing control chip 101 includes a timing host for sending signals Interface 1011 and timing slave interface 1012 for...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/36
CPCG09G3/36
Inventor 肖光星
Owner TCL CHINA STAR OPTOELECTRONICS TECH CO LTD
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