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A flexible flat cable adapted for LVDS interface and LVDS signal transmission system using the same

A flexible cable and transmission system technology, applied in the direction of electrical components, etc., can solve the problem of high unit price and cost

Active Publication Date: 2005-01-26
P-TWO INDUSTRIES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in terms of cost considerations, the applicant believes that the number of components in this conventional LVDS signal transmission system 11 is large, and the suitable signal transmission lines 15 types are relatively high in unit price. Therefore, improvements should be made in terms of cost reduction. and improvements

Method used

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  • A flexible flat cable adapted for LVDS interface and LVDS signal transmission system using the same
  • A flexible flat cable adapted for LVDS interface and LVDS signal transmission system using the same
  • A flexible flat cable adapted for LVDS interface and LVDS signal transmission system using the same

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Embodiment Construction

[0047] Please refer to Figure 4 And Fig. 6, LVDS signal transmission system 11 shown in the present invention is a kind of high-frequency signal transmission system used between liquid crystal display interface 10 and system motherboard interface 20, and is a kind of LVDS of a kind of four parts and components The signal transmission system 11 consists of a low-voltage differential signal receiver 12, a characteristic impedance (Z 0 ) 100Ω±5% flexible cable 40, a clamshell connector 50, and an auxiliary board 60 together.

[0048] Wherein, the low-voltage differential signal receiver 12 is LVDS of standard specifications, is arranged on the liquid crystal display interface 10, and constitutes the signal transmission interface of the liquid crystal display interface 10, and can be connected with the characteristic impedance (Z 0 ) 100Ω±5% of the second conductive portion 45 of the flexible cable 40 constitutes an electrical connection.

[0049] while having a characteristic ...

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Abstract

The invention is a soft bus with 100 Ohm plus or minus 5% property impedance, used in a LVDS signal transmitting system, able to reduce the number of components in the system and reduce the cost; and the system is composed of a low voltage difference signal receiver (LVDS), a soft bus with the above property, an auxiliary pinboard and a cover-lifting connector, where it uses the LVDS to compose signal transmission interface of LCD interface; one end of the soft bus composes a first conductive part connected with the cover-lifting connector and the other end composes a second conductive part connected with the LVDS; the auxiliary pinboard has a concave space holding the soft bus, fixed under a small segment of the soft bus including the second conductive part, and the second conductive part of the soft bus and the front end of the auxiliary pinboard compose a structure like LVDS plug, able to be inserted in the LVDS and connect with the LVDS; the cover-lifting connector is a signal transmission interface composing system mainboard interface.

Description

technical field [0001] The present invention relates to a flexible flat cable (FFC) suitable for LVDS interface, especially a kind of 100Ω±5% characteristic impedance (Z 0 ) flexible cable (FFC), and a LVDS signal transmission system using this flexible cable. Background technique [0002] Please refer to figure 1 and figure 2 , because the amount of signal communication between the liquid crystal display and the system host is very large and the frequency is very high, so the current high-frequency signal transmission system set up between the interface 10 of the liquid crystal display and the interface 20 of the main board of the system adopts a super A low voltage differential signal receiver (LVDS, Low Voltage Differential Signal) 12 with high speed (1.4Gb / s), low power consumption, and low electromagnetic radiation characteristics is used as the signal transmission interface of the liquid crystal display interface 10, and through the signal transmission line (Transmi...

Claims

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Application Information

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IPC IPC(8): H01R12/24
Inventor 洪昇立
Owner P-TWO INDUSTRIES INC
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