Method and system for protecting software data in display panel

A display panel and protection system technology, applied in the protection of internal/peripheral computer components, static indicators, instruments, etc., can solve problems such as abnormal display screen, abnormal I2C protocol communication, frequent errors, etc.

Inactive Publication Date: 2017-12-29
HKC CORP LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the problem that is more likely to occur now is that due to wire or other interference during the production process, the WP will also be invalidated, and the I2C protocol communication is not normal, then there may be malfunctions that cause the TCON stored in the EEPROM to The code is rewritten, and there is no error correction mechanism today, so it is impossible to prevent this situation, which will cause abnormal display screens and frequent errors

Method used

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  • Method and system for protecting software data in display panel
  • Method and system for protecting software data in display panel
  • Method and system for protecting software data in display panel

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Embodiment Construction

[0021] In order to further explain the technical means and the effects of a method for protecting software data in a display panel of the present invention and its system for achieving the intended purpose of the invention, the following is based on the accompanying drawings and preferred embodiments. The proposed protection method for software data in the display panel and the specific implementation, structure, features and functions of the system are described in detail.

[0022] Please refer to figure 1 , which is an exemplary schematic diagram of the communication architecture between the timing control unit and the storage unit in the display panel.

[0023] exist figure 1 Among them, a display panel 100; a storage unit 110, which is arranged on a driving board in the display panel 100, and is used to store a write protection information 111 and a software data 112 of a timing control unit 120; the timing control unit 120, arranged in the display panel 100, including a...

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Abstract

The invention discloses a method and a system for protecting software data in a display panel. The method comprises the following steps that: providing a display panel and a storage unit, wherein the storage unit is arranged on a driving board on the display panel for storing one piece of write protection information and the software data of a time sequence control unit; through one information detection unit in the time sequence control unit, the state of write protection information is detected; and when the state of the write protection information is a write protection failure state, one MCU (Microprogrammed Control Unit) micro-processing unit in the time sequence control unit refuses to read the software data of the time sequence control unit. Therefore, the software data on the storage unit can be prevented from being rewritten so as to avoid a situation that a picture displayed on the display panel is abnormal.

Description

technical field [0001] The invention relates to the field of display technology, in particular to a method and system for protecting software data in a display panel. Background technique [0002] A liquid crystal display is one of the most widely used flat panel displays, and includes two substrates having pixel electrodes, common electrodes, etc., and a liquid crystal layer interposed between the two substrates. The liquid crystal display displays images by determining orientations of liquid crystal molecules of a liquid crystal layer and controlling polarization of incident light by an electric field generated by voltages applied to electrodes. Liquid crystal displays are advantageous for displaying moving images and have high contrast, thus replacing existing cathode ray tubes, and are variously used as display devices of mobile terminals (notebook monitors, etc.), computer monitors, televisions, and the like. [0003] On the driver board of the LCD panel, there is a pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/84G09G3/36
CPCG06F21/84G09G3/36
Inventor 王明良
Owner HKC CORP LTD
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