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.
Patent No.:
Date of Patent:
Jan. 25, 2005
Filed:
Dec. 19, 2002
Dae Lim Park, Kyongsangbuk-do, KR;
Seong Soo Hwang, Kumi-shi, KR;
Young Sik Kim, Kyongsangbuk-do, KR;
Su Hwan Moon, Kumi-shi, KR;
Dae Lim Park, Kyongsangbuk-do, KR;
Seong Soo Hwang, Kumi-shi, KR;
Young Sik Kim, Kyongsangbuk-do, KR;
Su Hwan Moon, Kumi-shi, KR;
LG. Philips LCD Co., Ltd., Seoul, KR;
Abstract
A liquid crystal display device and a method for manufacturing the same are provided. The device and method increase contact stability by forming a contact hole exposing the lateral and upper surfaces of a metal layer using a diffraction mask. The device includes a lower metal layer on a substrate; a passivation layer on the substrate including the lower metal layer; a contact hole on the passivation layer so as to expose the lateral and upper surfaces of the lower metal layer; and an upper metal layer in the contact hole and over the passivation layer, and in contact with the exposed lateral and upper surface of the lower metal layer.