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:
Apr. 27, 2021
Filed:
Sep. 20, 2018
Db Hitek Co., Ltd., Seoul, KR;
Jin Hyo Jung, Suwon-si, KR;
Jung Hyun Lee, Yeoju-si, KR;
Dae Il Kim, Cheongju-si, KR;
Bum Seok Kim, Seoul, KR;
Seung Ha Lee, Hwaseong-si, KR;
Sang Yong Lee, Chungju-si, KR;
Dong Hoon Park, Uiwang-si, KR;
DB HITEK CO., LTD., Seoul, KR;
Abstract
A signal control unit for an organic light emitting diode (OLED) display device includes a substrate structure including a plurality of active elements for the pixels, first metal electrodes disposed on the substrate structure, and configured to be electrically connected to a portion of each of the active elements, second metal electrodes disposed over and adjacent the first metal electrodes, configured to electrically connected to corresponding ones of the first metal electrodes, respectively, by via contacts extending vertically to electrically connect the first metal electrodes to the second metal electrodes, and interlayer insulating layer structure interposed between the first electrodes and the second electrodes and having the via contacts therein, the interlayer insulating layer structure having a stacked structure in which a first interlayer insulating layer, a light blocking layer and a second interlayer insulating layer are stacked in order.