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Improved flexible circuit board of mobile phone display screen

A flexible circuit board and display screen technology, applied in the direction of printed circuit components, etc., can solve the problems of increasing labor intensity, cumbersome process of implanting reinforcing ribs, weakening the connection effect, etc., to achieve the effect of convenient production

Inactive Publication Date: 2015-02-25
HEYUAN COE COMM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, in practical application, it is found that the process of implanting the reinforcing ribs of this technical solution is cumbersome, which increases the labor intensity. In addition, the setting of the hollow area reduces the elastic stress, but at the same time, the connection effect is also weakened due to the reduction of the connection area. When the FPC needs to be pulled out after plugging, the bending area may be torn off

Method used

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  • Improved flexible circuit board of mobile phone display screen
  • Improved flexible circuit board of mobile phone display screen

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Embodiment Construction

[0014] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0015] Such as figure 1 with figure 2 As shown, an improved mobile phone display flexible circuit board includes a flexible substrate 1 and a bending area 2 .

[0016] A crack area 4 is set in the part of the bending area 2 that does not have wiring, and the crack area 4 is a rounded rectangle as a whole, and the crack area is not hollowed out, only a few cracks are set in the rounded rectangle 41. The cracks 41 are parallel to both sides of the bending area, and each crack 41 is in the shape of a rounded rectangle. The space between the cracks can prevent the bending area from arching when the force is applied on both sides, and when pulled out, the crack area under the longitudinal force will not be torn due to the force;

[0017] Both sides of the bending area 2 and the arc-shaped connection part 3 of the flexible...

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PUM

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Abstract

The invention provides an improved flexible circuit board of a mobile phone display screen. The improved flexible circuit board comprises a flexible substrate and a bent area, a crack area is arranged in the part, without wiring, in the bent area and is a rounded rectangle area, delimited by scribed lines, in the bent area, the crack area is not hollow, a plurality of cracks are formed in the rounded rectangle, and the arc portions, connected with the flexible substrate, on the two sides of the bent area are coated with polyaurylamide layers respectively. The improved flexible circuit board is simple and practical, as the crack area is arranged, a hollow area is abandoned, and repeated plug is allowed; in addition, as polyaurylamide layer coating is used instead of reinforcing ribs, production of the flexible circuit board is greatly facilitated.

Description

technical field [0001] The invention relates to the technical field of circuit boards, in particular to a flexible circuit board for a display screen of a mobile phone. Background technique [0002] The flexible printed circuit board (FPC) is used to connect the mobile phone display screen and the main board to realize circuit conduction, and the circuit board is required to have a soft material. The single-layer bending area of ​​the current circuit board needs to be bent and put in when it is connected with the mobile phone. The single-layer bending area of ​​the traditional flexible printed circuit board will have rebound stress after bending. This stress can make the flexible printed circuit The board is arched during assembly, which makes the mobile phone display and the backlight black and white glue fall off, resulting in poor function of the mobile phone display. [0003] At present, the most advanced technology is to hollow out the part without wiring in the single...

Claims

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Application Information

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IPC IPC(8): H05K1/02
Inventor 杨芸
Owner HEYUAN COE COMM TECH
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