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. 20, 2010
Filed:
Jun. 06, 2005
Noe-jung Park, Suwon-si, KR;
Sung-hoon Lee, Yongin-si, KR;
Hyo-sug Lee, Suwon-si, KR;
Young-gu Jin, Hwaseong-si, KR;
Noe-jung Park, Suwon-si, KR;
Sung-hoon Lee, Yongin-si, KR;
Hyo-sug Lee, Suwon-si, KR;
Young-gu Jin, Hwaseong-si, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
A light-emitting device that improves the injection efficiency of electrons or holes by providing electrons or holes to an emitting layer using nano size needles, including a first electrode with a first polarity a second electrode with a second polarity opposite to the first polarity an emitting layer interposed between the first electrode and the second electrode to emit light and a plurality of conductive needles inserted in the first electrode and extending toward the emitting layer.