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Gamma correction snubber circuit and anti-interference method for the gamma correction snubber circuit

A technology of gamma correction and buffer circuit, applied in the field of communication, can solve the problems of system abnormality, abnormal display of grayscale picture card of liquid crystal display, adverse effect on consumers, etc.

Active Publication Date: 2016-01-27
HISENSE VISUAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, because this method uses the IIC bus form, it is susceptible to interference from other buses or power sources in the system. Therefore, the Gamma chip may be interfered, resulting in abnormal display of some gray-scale graphics cards on the LCD display or system abnormalities, which is harmful to consumers. adverse effects

Method used

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  • Gamma correction snubber circuit and anti-interference method for the gamma correction snubber circuit
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  • Gamma correction snubber circuit and anti-interference method for the gamma correction snubber circuit

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Embodiment Construction

[0018] In order to understand the above-mentioned purpose, features and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0019] In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways different from those described here. Therefore, the protection scope of the present invention is not limited by the specific details disclosed below. EXAMPLE LIMITATIONS.

[0020] figure 1 A block diagram of a gamma correction buffer circuit according to an embodiment of the invention is shown.

[0021] Such as figure 1 As shown, the gamma correction buffer circuit 1...

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Abstract

The invention provides a gamma correction snubber circuit. The gamma correction snubber circuit comprises a determination unit and a control unit, wherein when a circuit system of the gamma correction snubber circuit is electrified, the determination unit determines whether the digital working voltage is greater than or equal to the threshold voltage of the gamma correction snubber circuit; when the determination unit determines that the digital working voltage is smaller than the threshold voltage, the control unit controls an IIC serial bus of the gamma correction snubber circuit so that the IIC serial bus is prohibited to operate and the data cannot be written into a memory unit of the gamma correction snubber circuit through the IIC serial bus; and when the digital working voltage is greater than or equal to the threshold voltage, the control unit controls the IIC serial bus to enable the IIC serial bus to be able to operate and the data can be written into the memory unit of the gamma correction snubber circuit through the IIC serial bus. The invention also provides an anti-interference method for the gamma correction snubber circuit. Through the technical scheme of the gamma correction snubber circuit and anti-interference method for the gamma correction snubber circuit, the external influence on the data in a register of the gamma correction snubber circuit can be avoided, and the anti-interference capability of the system and the stability of the system can be improved.

Description

[0001] This application is a divisional application of the Chinese invention patent application 201310237052.6 filed on June 14, 2013 with the title of "Gamma Correction Buffer Circuit and Anti-Interference Method for Gamma Correction Buffer Circuit". technical field [0002] The present invention relates to the technical field of communication, in particular to a gamma correction buffer circuit and an anti-interference method for the gamma correction buffer circuit. Background technique [0003] Due to the inconsistency of the electro-optical characteristics of the red, green and blue colors of the LCD TV display, the color difference of each gray scale is relatively large, and the color of each gray scale needs to be corrected, especially the gray scale error of the dark field is very obvious, and it cannot be adjusted by white balance. To clear the color error of each gray scale. Only after the colors of each gray scale are consistent, can the color temperature be adjuste...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/36
Inventor 房好强黄顺明
Owner HISENSE VISUAL TECH CO LTD
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