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Display control device and data processing system

A data processing system and display control technology, applied in image data processing, static indicators, cathode ray tube indicators, etc., can solve problems such as power increase

Active Publication Date: 2014-05-14
SYNAPTICS JAPAN GK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In FHD, the number of pixels is as high as 1080×1920, and the amount of data to be processed per unit time increases not only in the processor on the host side, but also on the side of the display control device that performs display control. Significant increase in power

Method used

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  • Display control device and data processing system

Examples

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Embodiment Construction

[0053] 1. Outline of Embodiment

[0054] First, an outline of a typical embodiment among the inventions disclosed in the present invention will be described. In the summary description of the typical embodiments, the reference numerals in the drawings referred to with parentheses are merely examples to illustrate the concepts included in the constituent elements with parentheses.

[0055] [1]

[0056] The display control device (6) has: a first display mode for performing display control on display data supplied together with a display timing signal from outside; a second display mode for performing display control on the display data; and a scale-up mode for scaling up the above-mentioned display data. The display control device includes: a register holding mode data for instructing selection of either the first display mode or the second display mode in a rewritable manner according to an external instruction. and instructing whether to select the scale-up mode; and a co...

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PUM

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Abstract

The present invention relates to a display control device and a data processing system. The register can be rewritten according to the type of data to be displayed, the system working situation, user settings, etc. Therefore, the low power consumption allowable in terms of system, and a required display performance can be obtained timely and readily. The display control device has a register for holding mode data that can be rewritten from the outside. The display mode is controlled based on the setting values on the register. The mode data is used for indicating a mode for selecting a first display mode and a second display mode and indicating whether to select a scale-up mode for scaling up the display data. In a first display mode, display control on the display data supplied together with display timing signals from the outside is performed; and in a second display mode, display control on the display data written in from the outside but not accepting timing singalssupplied from the outside is performed.

Description

technical field [0001] The present invention relates to a display control device and a data processing system, and to an effective technique applicable to, for example, a liquid crystal control driver. Background technique [0002] In recent years, the resolution is intended to be high resolution such as FHD (full high definition: full high definition) even in small communication mobile terminals such as smartphones. In FHD, the number of pixels is as high as 1080×1920, and the amount of data to be processed per unit time increases not only in the processor on the host side, but also on the side of the display control device that performs display control. Power is significantly increased. In order to reduce the amount of data relative to the display resolution, as described in Patent Document 1, an operation of enlarging and displaying an image can be performed using a scaling technique. [0003] In addition, the control target of the display control device is not only vid...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/20G09G3/36
CPCG09G5/005G09G5/391G09G5/395G09G2340/0407G09G2360/18G06T3/40
Inventor 坂卷五郎冈入洋介
Owner SYNAPTICS JAPAN GK