aFollowing there is a list of the most important conferences for research topics such as affective computing, affective learning…  (some of the links may refer to previous editions of the conference, in that case, link to the current editions within their website)

• Annual Conference on Distance Teaching & Learning.
• ACII: International Conference on Affective Computing & Intelligent Interaction
  
• AIED: International Conference on Artificial Intelligence in Education.
• Computers and advanced technology in Education
• 1th Human-Centred Technology Postgraduate Workshop
• Conference EMOTIONS & MACHINES
• Congreso Iberoamericano de docencia universitaria.
• Anual Conference
• ED-MEDIA World Conference on Educational Multimedia, Hypermedia and Telecommunications.
• E-LEARN World Conference on E-learning in Corporate, Government, Healthcare and Higher Education.
• EDUCAUSE 2008 Annual Conference
• Emotion in HCI - Real World Challenges
• EUNIS Dorup E-learning award
• GESPIN 2009: Gesture and Speech in Interaction
• GlobalLearn Asia Pacific
• Human-Centred Technology Postgraduate Workshop
• IADIS International Conference e-Learning 2008
• ICDE
• ICMI: International Conference on Multimodal Interfaces
• HCI International Conference
  
• New Media Consortium, and Summer conference
• Summer Conference See also Symposium on Collective Intelligence
• Online Educa Berlin
• online educa Madrid
• REDU
• Sloan-C International Conference on Online Learning
• TCC Online conference,the new internet, social networking, collaborative learning, technology tools and best practices
• The CHI conference- Human Factors in Computing Systems
• The design and emotion society
• The IEE, WIC, ACM International conferences on Web intelligence
• UPA Usability Professionals Association Conference
  
• Virtual Educa

You can also follow the calendar of events and conferences published by Interaction-design.org

Click here to access the updated calendar.

They also provide a world map of the conferences.