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案件記録

Display device

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92478801ファミリー
§ Ⅰ

案件概要

出願人

BOE TECHNOLOGY GROUP CO LTD; CHENGDU BOE OPTOELECT TECH CO

出願番号

CN202310215320

発明者

WANG XINPENG; XIAO YUNHAN; LI RENDONG; LIANG HENGZHEN; LIU LIANBIN; WANG DONG; HUANG HAO; YANG CHENGHONG; LI FAN; PU QIANLIN; YAO JIANLI

出願日

Feb 28, 2023

公開日

Aug 30, 2024

パテントファミリーID

92478801

IPC分類

G09F9/30H05K1/02

CPC分類

G09F9/30H05K1/00H05K1/02H05K1/0218H05K1/0224H05K1/028H05K1/0281H05K1/0298H05K1/147H05K1/189H05K2201/0715H05K2201/10128

The embodiment of the invention provides a display device, and belongs to the technical field of display. The display device comprises a display panel and a flexible circuit board, and the flexible circuit board is located on the back face of the display panel. The flexible circuit board comprises a fixed part and a bendable part, the fixed part is connected with the display panel, and the bendable part is provided with a first side edge extending in the length direction of the bendable part. The flexible circuit board comprises a first protection layer, a first wiring layer, a base material layer, a second wiring layer, a second protection layer and a first electromagnetic shielding layer which are stacked in sequence. The first wiring layer has a first inward shrinkage amount relative to the base material layer in a first area of the first side edge, the second wiring layer has a second inward shrinkage amount relative to the base material layer in the first area, and the first electromagnetic shielding layer has a third inward shrinkage amount relative to the base material layer in the first area. At least two of the first inward shrinkage amount, the second inward shrinkage amount and the third inward shrinkage amount are not equal. According to the embodiment of the invention, the deformation resistance of the edge of the flexible circuit board can be improved.

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