Rigid-flex board and mobile terminal

Abstract

The invention relates to a rigid-flex board and a mobile terminal. The rigid-flex board comprises a printed circuit board and a flexible circuit board, wherein the flexible circuit board is connected with one end of the printed circuit board and provided with a first grounding line and a plurality of first signal lines, the first grounding line is arranged on one side, near to the flexible circuit board, of the printed circuit board, a plurality of via holes are formed on the first grounding line and pass through the printed circuit board, and the plurality of first signal lines are arranged on one side of the first grounding line and arranged far away from the flexible circuit board. In the rigid-flex board and the mobile terminal, provided by the invention, the first grounding line is arranged on the printed circuit board, and the plurality of via holes are formed on the first grounding line; and when the material is removed by laser, the grounding function of the printed circuit board still can be achieved by means of the plurality of via holes if the first grounding line is damaged by the laser, thus, grounding failure is prevented to cause that the signal lines cannot be connected with a signal, a functional circuit on the printed circuit board is ensured to be implemented, and the application reliability of the rigid-flex board is improved.

Description

technical field [0001] The invention relates to the technical field of circuit boards, in particular to a rigid-flex board and a mobile terminal. Background technique [0002] Rigid-flex boards are flexible circuit boards and rigid circuit boards, which are combined according to relevant process requirements through pressing and other processes to form circuit boards with the characteristics of flexible circuit boards and rigid circuit boards. [0003] At present, when laser cutting is used to remove materials, since the laser itself has a certain width, when the grounding line and signal line are arranged on the hard board, it may cause burnout or damage to the signal line or grounding line on the hard board , thus affecting the performance of the circuit. In severe cases, the wiring on the soft board connected to the hard board will be torn off, resulting in the failure of the functional circuit on the soft board, and the reliability of the soft-hard combination board cann...

AI Technical Summary

Problems solved by technology

[0003] At present, when laser cutting is used to remove materials, since the laser itself has a certain width, when the grounding line and signal line are arranged on the hard board, it may cause burnout or damage to the signal line or grounding line on the hard board , thus affecting the performance of the circuit, and in severe cases, the wiring on the soft board connected to the hard board will be torn off, resulting in the failure of the functional circuit on the soft board, and the reliability of the soft-hard combination board cannot be guaranteed.

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