Image display equipment with dual-purpose interface and control method thereof

An image display device and interface technology, applied in the direction of digital output to display devices, image communication, color TV parts, etc., can solve the problems of inconvenient and inability to use after connection, reduce cost burden, and improve interchangeability Effect

Inactive Publication Date: 2006-10-18
NANJING LG TONGCHUANG COLOR DISPLAYS SYST CO LTD
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AI Technical Summary

Problems solved by technology

Therefore, products with a digital video interface (DVI) that also has a digital audio signal connection terminal cannot be used after being connected.
[0013] In summary, when considering the fact that home appliances with digital video interface (DVI) are widely popularized, from the standpoint of users, it does bring a lot of inconvenience to users.

Method used

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  • Image display equipment with dual-purpose interface and control method thereof
  • Image display equipment with dual-purpose interface and control method thereof
  • Image display equipment with dual-purpose interface and control method thereof

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Embodiment Construction

[0038] The other objects and advantages of the present invention will be described in detail through embodiments and drawings.

[0039] Hereinafter, a typical example of the present invention will be described in more detail with reference to the drawings.

[0040] figure 2 It is a configuration diagram of a typical embodiment of an image display device with a dual-purpose interface of high-definition multimedia interface (HDMI) and digital video interface (DVI) of the present invention.

[0041] Right and figure 1 The same constituent devices shown in the constituent devices have the same reference numerals.

[0042] An image display device 200 with a high-definition multimedia interface-digital video interface (HDMI-DVI) dual-purpose interface such as figure 1 As shown in, the image display device 100 adopting the high-definition multimedia interface (HDMI) further includes a digital sound signal connection terminal 24 and a multiplexer (MUX) 26.

[0043] And, in the high-de...

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PUM

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Abstract

An image display device with dual-purpose interface consists of high clarity multimedia interface connector, high clarity multimedia interface receiving unit, external unit being in according with specification of digital video interface, digital sound signal connection terminal for receiving digital sound signal and for outputting received signal, selection unit for selecting one output from sound signals inputted by digital sound signal connection terminal and by high clarity multimedia interface receiving unit.

Description

Technical field [0001] The present invention relates to an interface for an image display device, in particular to an image display device with an interface that can correspond to both the high-definition multimedia interface (HDMI) specification and the digital video interface (DVI) specification, and a control method thereof. Background technique [0002] With the popularization of digital home appliances such as digital televisions (TV), liquid crystal displays (LCD), and plasma displays (PDP), digital interfaces that can communicate digital data with peripheral devices are widely used, such as external universal device interface (IEEE1394), universal Serial bus (USB), etc. [0003] In particular, digital video interface (DVI: Digital Video Interface) technology, which transmits high-frequency uncompressed image signals as digital signals, is widely used in the home appliance market. The digital video interface (DVI) is a specification produced by the Digital Display Working G...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/14H04N5/765H04N7/015
Inventor 郑惠天
Owner NANJING LG TONGCHUANG COLOR DISPLAYS SYST CO LTD
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