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:
Nov. 03, 2009
Filed:
Nov. 29, 2006
Jeong-min Seo, Gyeonggi-do, KR;
Byung-woong Han, Incheon, KR;
Kyu-seok Kim, Yongin-si, KR;
Jeung-soo Kim, Seoul, KR;
Young-hee Park, Busan, KR;
Jeong-Min Seo, Gyeonggi-do, KR;
Byung-Woong Han, Incheon, KR;
Kyu-Seok Kim, Yongin-si, KR;
Jeung-Soo Kim, Seoul, KR;
Young-Hee Park, Busan, KR;
Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Abstract
A point light source includes a body, a light-emitting unit and a fluorescent unit. The body includes a bottom portion and a protrusion portion protruded from the bottom portion. The light-emitting unit includes a light-emitting chip disposed at the protrusion to have an inclined-angle with respect to the bottom portion. The fluorescent unit covers the bottom portion, the protrusion portion and the light-emitting chip. The point light source has an emitting-angle of about 180 degrees and luminance difference between a bright-portion and a dark-portion is decreased to enhance display quality of a display device.