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.

Date of Patent:
Dec. 30, 2014

Filed:

Mar. 05, 2012
Applicants:

Won Soo Ji, Suwon-si, KR;

OH Seok Kwon, Hwaseong-si, KR;

Choo Ho Kim, Yongin-si, KR;

Inventors:

Won Soo Ji, Suwon-si, KR;

Oh Seok Kwon, Hwaseong-si, KR;

Choo Ho Kim, Yongin-si, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 7/18 (2006.01); G01N 21/00 (2006.01); G01N 21/88 (2006.01); G01N 21/956 (2006.01);
U.S. Cl.
CPC ...
G01N 21/8806 (2013.01); G01N 21/956 (2013.01); G01N 2021/8845 (2013.01);
Abstract

A light emitting diode (LED) inspection apparatus includes at least one LED including a phosphor applied on an emission surface, a first lighting unit to emit visible light to the LED, a second lighting unit to emit ultraviolet (UV) light to the LED, a photographing unit to generate at least one first image data by photographing the visible light reflected from the LED and to generate at least one second image data by photographing the UV light reflected from the LED, and a determination unit to determine a defect in appearance and emission characteristics of the LED using the at least one first image data and second image data.


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