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Character display method and display apparatus thereof

A character display and display device technology, applied in static indicators, cathode ray tube indicators, instruments, etc., can solve the problems of occupying memory bandwidth and reducing the system performance of display devices, etc.

Inactive Publication Date: 2010-07-07
HIMAX TECH LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, for the same character, its repetition rate in the same picture is extremely high. Assuming that character a appears 4 times in one picture, the traditional method is to transfer the bit image data of character a from the system memory to Actions in backstage memory
In this way, a large amount of memory bandwidth will be occupied, and the system performance of the display device will be greatly reduced.

Method used

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  • Character display method and display apparatus thereof
  • Character display method and display apparatus thereof
  • Character display method and display apparatus thereof

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Embodiment Construction

[0024] The display device of the embodiment of the present invention changes the previous method of sequentially drawing and displaying characters from left to right and from top to bottom, but analyzes and classifies the received subtitle data, and The order of all characters is rearranged so that the graphics engine chip renders all characters in the new order.

[0025] Please refer to FIG. 1 , which shows a schematic diagram of a display device according to a preferred embodiment of the present invention. The display device 100 is a traditional TV, digital TV, set-top box or personal computer with a TV card, connected to the cable / wireless TV network 500 to receive TV programs, or connected to the Internet 600 to receive web pages. The display device 100 includes a processing unit 110 , a back-end memory 120 , a front-end memory 122 , a graphics engine chip 130 and a display unit 140 . In this embodiment, the display unit 140 is a TV screen or a computer screen. The proce...

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Abstract

The invention relates to a character displaying method and applies for a display device. Firstly, the character displaying method receives and analyses a picture to acquire a first caption data comprising a first character and a second character; then the first character and the second character are analyzed to acquire at least a first place where the first character turns out in the picture and at least a second place where the second character turns out in the picture; and finally, the first character is displayed at the first place and the second character is displayed at the second place turn by turn.

Description

technical field [0001] The invention relates to a character display method and its display device, in particular to a character display method capable of reducing storage bandwidth and its display device. Background technique [0002] Due to the vigorous development of consumer electronics products, audio-visual entertainment products have become an indispensable part of people's lives. In addition, the rapid development of technology has also brought people more and more different enjoyments. Taking television as an example, conventional televisions can only receive signals sent by wireless TV stations, and the number of channels that users can choose is limited. With the popularization of the cable TV system, users can not only watch the programs of domestic cable channels, but also watch foreign TV channels, and the user's choice of channels has increased significantly. In recent years, in order to provide users with more choices, digital TVs or set-top boxes combined wi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G5/22G09G5/32
Inventor 蔡伟鹏刘恕民
Owner HIMAX TECH LTD