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Display controller and transmission control method

A technology of display controller and transmission control, applied in static indicators, instruments, etc., to save circuit area and simplify circuit design and layout

Inactive Publication Date: 2013-04-24
MEDIATEK INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, some existing devices, such as display panel driver integrated circuits and flexible printed circuit boards, operate at low-speed clock frequencies, and thus cannot operate when the system clock frequency is increased.

Method used

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  • Display controller and transmission control method
  • Display controller and transmission control method

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Embodiment Construction

[0022] Certain terms are used throughout the description and claims to refer to particular components. Those skilled in the art should understand that a manufacturer may use different terms to refer to the same component. The specification and claims do not use the difference in name as a way to distinguish components, but use the difference in function of components as a distinguishing criterion. "Includes" mentioned throughout the specification and claims is an open term, so it should be interpreted as "including but not limited to". In addition, the term "coupled" herein includes any direct and indirect means of electrical connection. Through the description of the following preferred embodiments and in conjunction with the full text Figure 1 to Figure 14 The present invention is illustrated, but the devices, components, methods, and steps in the following description are used to explain the present invention, and should not be used to limit the present invention.

[00...

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Abstract

The invention provides a display controller and a transmission control method. The display controller comprises a data rearrangement unit, a shifting register module and a multi-channel interface controller. The data rearrangement unit is for rearranging a plurality of data bits received from a data source to enable the data bits to be distributed to multiple groups uniformly. The shifting register module comprises a plurality of shifting registers, each of the shifting registers is for receiving a group of data bits from the data rearrangement unit and outputting the group of data bits to one of a plurality of data lines which are coupled with the display module according to a clock signal. The multi-channel interface controller is for controlling the operation of the data rearrangement unit and shifting register module. The display controller can use low clock frequency in a display system and can use few data lines to simplify the design and layout of a circuit and save the area of the circuit.

Description

technical field [0001] The present invention relates to a display controller and a transmission control method, in particular to a display controller suitable for a high-resolution display panel to control mass data transmission. Background technique [0002] Display panels are currently an essential component of portable electronic devices. In order to attract consumers' attention, the size and / or resolution of the display panels disposed in the portable electronic devices are also continuously increasing. However, as the size and / or resolution of the display panel increase, many problems arise accordingly. One of the problems is that the amount of pixel data increases accordingly. Since the amount of pixel data will increase significantly with the increase of the size and / or resolution of the display panel, some traditional transmission interfaces with limited transmission bandwidth, such as Serial Peripheral Interface (SPI for short), cannot reuse. [0003] In order t...

Claims

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Application Information

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IPC IPC(8): G09G3/20
Inventor 黄辰龙苏昭雄刘岱鑫
Owner MEDIATEK INC
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