A Study on Design Process Model Based on User Experience - Development for the Concept of Service for Vision-Impaired People

In recent years, the elderly population is increasing in Japan, and the population with disabilities has also a tendency to increase. In addition, due to changes in social conditions, changes in values and diversification of living standards have occurred among elderly and disabled people. The importance of considering diversity is emphasized in also various efforts for improves QOL (quality of life). Among such social backgrounds, the role of the design field is to improve the lives of people with diverse needs through designing goods and services or a system. The important point of view for such designing (especially when targeting users with diverse needs) include What kind of process or method do you set for develop service and a system. In this paper, we focus on methods of designing services targeting users with diverse needs such as elderly people and disabled people, and discuss methods and processes. We propose a co-creative type of approach based on the concept of user experience and participatory design. In addition, we aim to gain insight for practicing co-creative design approach, through Case verification by service development of wearable devices for vision-impaired people.