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Power supply circuit of timing controller, liquid crystal display device

A technology of timing controller and power supply circuit, applied in instruments, static indicators, etc., can solve the problems of reducing the versatility of power management chips, and the inability of power management chips to apply timing controllers at the same time, and achieve the effect of improving versatility

Active Publication Date: 2020-06-09
TCL CHINA STAR OPTOELECTRONICS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

That is, in the prior art, power management chips with a fixed output sequence cannot be applied to timing controllers with different power-on sequence requirements at the same time, which reduces the versatility of power management chips

Method used

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  • Power supply circuit of timing controller, liquid crystal display device
  • Power supply circuit of timing controller, liquid crystal display device
  • Power supply circuit of timing controller, liquid crystal display device

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Embodiment Construction

[0030] In order to make the object, technical solution and advantages of the present invention clearer, the specific implementation manners of the present invention will be described in detail below in conjunction with the accompanying drawings. Examples of these preferred embodiments are illustrated in the accompanying drawings. The embodiments of the invention shown in and described with reference to the drawings are merely exemplary, and the invention is not limited to these embodiments.

[0031] Here, it should also be noted that, in order to avoid obscuring the present invention due to unnecessary details, only the structures and / or processing steps closely related to the solution according to the present invention are shown in the drawings, and the related Other details are not relevant to the invention.

[0032] This embodiment firstly provides a power supply circuit for a timing controller, see figure 1 and figure 2 The power supply circuit of the timing controller...

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Abstract

The invention discloses a power supply circuit of a time sequence controller. The power supply circuit comprises a power supply management chip and an electrification sequence control module, the power supply management chip provides first and second voltages for the time sequence controller, and the electrification sequence control module controls the sequence in which the first and second voltages are input to the time sequence controller. The invention also discloses an LCD device including the power supply circuit of the time sequence controller.

Description

technical field [0001] The invention relates to the field of display technology, in particular to a power supply circuit of a timing controller, and also to a liquid crystal display device. Background technique [0002] A liquid crystal display (LCD) displays images by changing the orientation of the liquid crystal molecules to control the intensity of light transmission by changing the intensity of the electric field clamped on the liquid crystal molecules. At present, liquid crystal display devices have been widely used in various terminal display devices of large, medium and small sizes due to their characteristics of light weight, small volume, and thin thickness. [0003] A liquid crystal display device in the prior art mainly includes a display panel (LCD Panel), a source driver (Source IC), a gate driver (Gate IC) and a timing controller (Tcon IC). The timing controller is used to provide timing control signals to the source driver and the gate driver, and to send da...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/36
CPCG09G3/36G09G2330/00
Inventor 李文东张华
Owner TCL CHINA STAR OPTOELECTRONICS TECH CO LTD
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