FLEXIBLE CIRCUIT BOARD AND DISPLAY APPARATUS

• Main Authors: LIN, Xingyue, ZHU, Yuangang, LI, Tianma, JI, Xuelian, ZHANG, Zhengguang, ZHANG, Yicai, CHEN, Rui, WANG, Dake, HUANG, Yong
• Format: Patent
• Language: Chinese; English; French
• Published: 03.10.2024
• Subjects: BASIC ELECTRIC ELEMENTS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS; PRINTED CIRCUITS; SEMICONDUCTOR DEVICES

A flexible circuit board and a display apparatus. The flexible circuit board comprises a base material layer and a first conductive layer, wherein the base material layer comprises a first pad area, a second pad area and a transmission line area; the first conductive layer is located on a first side of the base material layer, and comprises a first pad structure, a second pad structure, and a plurality of signal transmission lines which extend in a first direction; the first pad structure is located in the first pad area, the second pad structure is located in the second pad area, the plurality of signal transmission lines are located in the transmission line area, and the transmission line area comprises a first single-layer area and a first double-layer area, which are arranged in the first direction; in the first single-layer area, the first conductive layer is disposed on the first side of the base material layer, and no conductive structure is disposed on a second side of the base material layer; and in