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:
Feb. 22, 2011
Filed:
Aug. 27, 2008
Seong Yeon Han, Gwangju, KR;
Hun Joo Hahm, Gyunggi-do, KR;
Hyung Suk Kim, Gyunggi-do, KR;
Young June Jeong, Seoul, KR;
Young Sam Park, Seoul, KR;
Chul Hee Yoo, Gyunggi-do, KR;
Seong Yeon Han, Gwangju, KR;
Hun Joo Hahm, Gyunggi-do, KR;
Hyung Suk Kim, Gyunggi-do, KR;
Young June Jeong, Seoul, KR;
Young Sam Park, Seoul, KR;
Chul Hee Yoo, Gyunggi-do, KR;
Samsung LED Co., Ltd., Suwon-si, KR;
Abstract
There are provided a plane light source and an LCD backlight unit having the same. A plane light source including light emitting device matrixes each having a plurality of light emitting devices arranged in rows and columns on a substrate according to an aspect of the invention includes: a first matrix having a plurality of light emitting devices arranged in rows and columns; and a second matrix having a plurality of light emitting devices arranged in rows and columns, the light emitting devices each located within a rectangle formed by four adjacent light emitting devices included in the first matrix, and forming angles θ satisfying the condition of 45°≦θ≦55° therebetween on the basis of a horizontal direction, wherein among pitches between one light emitting devices included in the light emitting device matrixes and another lighting light emitting device adjacent to the light emitting device, a pitch Pbetween the light emitting device and the light emitting device diagonally across from the light emitting device satisfies the condition of 25 mm≦P≦29 mm, and a pitch Pbetween the light emitting device and another light emitting device located in a horizontal direction satisfies the condition of 34 mm≦P≦38 mm.