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Time sequence control circuit, display module and display device

A timing control circuit and timing control chip technology, which is applied to static indicators, instruments, etc., can solve problems such as TconFlash data errors and abnormal display

Pending Publication Date: 2022-02-22
BOE TECH GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

When Tcon IC reads the data on Tcon Flash, due to the influence of the reflection of the clock signal CLK at the FFC, it is transmitted back, and there is a tick on the clock signal transmitted into Tcon Flash, which may cause false triggering to cause Tcon to read Tcon The risk of Flash data error, abnormal display phenomenon

Method used

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  • Time sequence control circuit, display module and display device
  • Time sequence control circuit, display module and display device
  • Time sequence control circuit, display module and display device

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Embodiment Construction

[0033] In order to enable those skilled in the art to better understand the technical solution of the present disclosure, the present disclosure will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0034] Unless otherwise defined, the technical terms or scientific terms used in the present disclosure shall have the usual meanings understood by those skilled in the art to which the present disclosure belongs. "First", "second" and similar words used in the present disclosure do not indicate any order, quantity or importance, but are only used to distinguish different components. Likewise, words like "a", "an" or "the" do not denote a limitation of quantity, but mean that there is at least one. "Comprising" or "comprising" and similar words mean that the elements or items appearing before the word include the elements or items listed after the word and their equivalents, without excluding other elements or items. Wo...

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Abstract

The invention provides a time sequence control circuit, a display module and a display device, belongs to the technical field of display, and can solve the problem that the display device is poor in display due to the fact that an existing time sequence control circuit is prone to signal reflection. The time sequence control circuit disclosed by the invention comprises a time sequence control chip, a first temporary memory and a second temporary memory, wherein the first temporary memory and the second temporary memory are both connected with the time sequence control chip, and share at least part of pins in the time sequence controller; and the second temporary storage is connected with the time sequence control chip through a flexible flat cable. The time sequence control circuit further comprises a switch module arranged between the time sequence control chip and the flexible flat cable, wherein the switch module is configured to cut off the connection between the time sequence control chip and the flexible flat cable when the first temporary memory works.

Description

technical field [0001] The disclosure belongs to the field of display technology, and in particular relates to a timing control circuit, a display module and a display device. Background technique [0002] With the development of display technology, the resolution and refresh rate of display products (such as: TV, monitor, etc.) are getting higher and higher. At the same time, with the development of integrated circuit technology, the volume of Tcon IC (timing control chip) come smaller. Therefore, Tcon Flash (timing data register) and Demura Flash (compensation data register) share the SPI (Serial Peripheral Interface, Serial Peripheral Interface) bus to reduce the number of Tcon IC pins. [0003] At present, in order to realize the narrow frame design of the display device, the Demura Flash and the Tcon IC are generally connected through FFC (Flexible Flat Cable, flexible flat cable), and the Tcon Flash and the Demura Flash share the SPI bus. When the high-speed signals ...

Claims

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Application Information

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IPC IPC(8): G09G3/20
CPCG09G3/20
Inventor 钟全民赵文勤刘祥恒
Owner BOE TECH GRP CO LTD
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