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Simple LED spectrophotometer for analysis of color information

Issue title: Frontiers in Biomedical Engineering and Biotechnology – Proceedings of the 4th International Conference on Biomedical Engineering and Biotechnology, 18–21 August 2015, Shanghai, China

Guest editors: Feng Liu, Dong-Hoon Lee, Ricardo Lagoa and Sandeep Kumar

Article type: Research Article

Authors: Kim, Ji-Sun | Kim, A-Hee | Oh, Han-Byeol | Goh, Bong-Jun | Lee, Eun-Suk | Kim, Jun-Sik | Jung, Gu-In | Baek, Jin-Young | Jun, Jae-Hoon; *

Affiliations: Department of Biomedical Engineering, BK21 Plus Research Institute of Biomedical Engineering, College of Biomedical and Health Science, Konkuk University, Chungju, Republic of Korea

Correspondence: [*] Address for correspondence: Jae-Hoon Jun, Department of Biomedical Engineering, College of Biomedical and Health Science, Konkuk University, 268 Chungwondaero, Chungju, Chungbuk, 380-701, Republic of Korea. Tel.: +82 43 8403799; Fax: +82 43 8454814; E-mail: [email protected].

Keywords: Color information, color space, light emitting diode, spectrophotometer

DOI: 10.3233/BME-151478

Journal: Bio-Medical Materials and Engineering, vol. 26, no. s1, pp. S1773-S1780, 2015

Published: 2015
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A spectrophotometer is the basic measuring equipment essential to most research activity fields requiring samples to be measured, such as physics, biotechnology and food engineering. This paper proposes a system that is able to detect sample concentration and color information by using LED and color sensor. Purity and wavelength information can be detected by CIE diagram, and the concentration can be estimated with purity information. This method is more economical and efficient than existing spectrophotometry, and can also be used by ordinary persons. This contribution is applicable to a number of fields because it can be used as a colorimeter to detect the wavelength and purity of samples.

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