US 2026/0059650 A1 · ELECTRONIC DEVICE TO WHICH COPLANAR WAVEGUIDE STRUCTURE IS APPLIED

Abstract

Provided is an electronic device including a printed circuit board including a conductor layer including a first rigid part, a second rigid part, and a flex part between the first rigid part and the second rigid part, the at least one conductor layer including an electrical line configured to transmit signal between a first electrical contact point in the first rigid part for electrical connection to a first external element and a second electrical contact point in the second rigid part for electrical connection to a second external element, and the electrical line including a first signal line extending from the first electrical contact point, branching into at least two signal lines at a first junction, and extending to second signal lines in the flex part, respectively, and a first end of a first ground line is ground-connected to another conductor layer through a first via hole.

Claims20

Dependent claims

An electronic device comprising:

a printed circuit board comprising at least one conductor layer that comprising a first rigid part, a second rigid part, and a flex part between the first rigid part and the second rigid part,
wherein the at least one conductor layer comprises an electrical line configured to transmit signal between a first electrical contact point in the first rigid part for electrical connection to a first external element and a second electrical contact point in the second rigid part for electrical connection to a second external element, and
wherein the electrical line comprises a first signal line extending from the first electrical contact point, branching into at least two signal lines at a first junction, and extending to second signal lines in the flex part, respectively, and a first end of a first ground line between the second signal lines is ground-connected to another conductor layer through a first via hole penetrating a dielectric in the first rigid part.

A rigid/flexible printed circuit board included in an electronic device, comprising:

a first rigid printed circuit board comprising a first conductor layer that comprises a signal line extending from a first terminal and branching into two first signal lines at a first junction;
a second rigid printed circuit board comprising a second conductor layer that comprises a signal line extending from a second terminal and branching into two second signal lines at a second junction;
and
a flexible printed circuit board comprising a third conductor layer comprising a transmission line configured to electrically connect the first conductor layer and the second conductor layer to be coplanar to each other,
wherein the third conductor layer comprises:
two third signal lines configured to electrically connect the two first signal lines to the two second signal lines in one-to-one correspondence;
an inner ground line parallel to and maintaining a predetermined spacing with the two third signal lines;
a first outer ground line parallel to the inner ground line and maintaining a predetermined spacing with one of the two third signal lines between the first outer ground line and the inner ground line;
and
a second outer ground line parallel to the inner ground line and maintaining a predetermined spacing with another one of the two third signal lines between the first outer ground line and the inner ground line.

7 more elements

Dependencies are inferred from the claim text.

Electronic device to which coplanar waveguide structure is applied

Life of this patent

Electronic device to which coplanar waveguide structure is applied

Life of this patent

Abstract

Claims20