The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 10, 2024

Filed:

Jun. 23, 2023
Applicant:

Samsung Electronics Co., Ltd., Suwon-si, KR;

Inventor:

Jeongkyu Ha, Hwaseong-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 1/16 (2006.01); G06F 1/18 (2006.01); G09F 9/30 (2006.01); H01L 33/48 (2010.01);
U.S. Cl.
CPC ...
G06F 1/1652 (2013.01); G06F 1/181 (2013.01); G06F 1/189 (2013.01); G09F 9/301 (2013.01); H01L 33/48 (2013.01);
Abstract

A chip-on-film (COF) package includes a film including a reinforcement area, a bending area and a chip mounting area, a conductive pattern layer disposed on the film in the reinforcement area and in the bending area, and at least partially in the chip mounting area, a chip mounted on a portion of the conductive pattern layer in the chip mounting area, a first insulating layer having a first elastic modulus and extending over the conductive pattern layer in the reinforcement area, and a second insulating layer having a second elastic modulus and extending over the conductive pattern layer in the bending area, wherein the first elastic modulus is greater than the second elastic modulus, and the film is intact in the chip mounting area.


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