Life cycle assessment of organic light emitting diode display as emerging materials and technology

被引：11

作者：

Amasawa, Eri ^{[1
]}

Ihara, Tomohiko ^{[2
]}

Ohta, Takashi ^{[3
]}

Hanaki, Keisuke ^{[4
]}

机构：

[1] Univ Tokyo, Grad Program Sustainabil Sci Global Leadership In, Grad Sch Frontier Sci, Kashiwa, Chiba 2778563, Japan

[2] Univ Tokyo, Dept Environm Syst, Grad Sch Frontier Sci, Kashiwa, Chiba 2778563, Japan

[3] 5-30-9 Kameido,Koutou Ku, Tokyo 1360071, Japan

[4] Univ Tokyo, Dept Urban Engn, Grad Sch Engn, Bunkyo Ku, 7-3-1 Hongo, Tokyo 1138656, Japan

来源：

JOURNAL OF CLEANER PRODUCTION | 2016年 / 135卷

关键词：

Organic electronics; Fine and specialty chemicals; Vacuum vapor deposition; Manufacturing scale data; Smartphone display; Organic LED; INVENTORIES; CHEMICALS; ENERGY;

D O I：

10.1016/j.jclepro.2016.07.025

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

This study presents a life cycle assessment of an organic light emitting diode display for smartphones, in which our research concentrated on generating a life cycle inventory of specialty chemicals and a fabrication process in manufacturing scale. Previous studies to investigate the environmental impact of organic electronics have been limited to organic photovoltaic cells in a laboratory scale fabrication, which prevents understanding of the practical impact of organic electronics. In this study, we computed cradle to-gate environmental impact of the most commonly used organic electronics today: active matrix organic light emitting diode (AMOLED) display for smartphones, through the formulation of new approaches to construct inventories for emerging materials and processes. The approaches for constructing inventories of chemicals and fabrication process involve manipulation of existing inventory with stoichiometry, and application of observed correlation between display area and production cost in the display industry. The environmental impact assessment results communicate that integration of detailed material flow improves data representation of the production of complex chemicals. Additionally, environmental impact per AMOLED display exhibited superiority in global warming potential, when compared with a previous study on a comparative size of liquid crystal display. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：1340 / 1350

页数：11

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