COEMA's seven branches each hold at least one technology seminar and council every year. LED branch and LED application branch, LCD branch hold nation-wide professional technology seminar biannually. With the high-speed expansion of Chinese LED and LCD industry, COEMA will hold more events and activities related.
COEMA hold council every year, discus COEMA’s routine work and summary.

Laser branch:
-Seminar on Innovation of Laser Devices, Applications and Laser Industry Development (annually)
-Military Use Laser Technology Seminar (biannually)
- Council of Laser branch (annually)

Infrared branch:
-Information Exchange seminar (annually)
-Council of Infrared branch (annually)

Optical component and Optical Instrument branch:
-Information Exchange seminar (annually)
-Council of Optical component and Optical Instrument branch (annually)

LED branch:
-Seminar on nation-wide LED Industry and Technology (biannually)
-Seminar on LED Stranded of denominate, measure, etc. (annually)
- Information Exchange seminar (annually)
-Council of LED branch (annually)

LED Display Application branch:
- Seminar on nation-wide LED Application Technology and Industry Development (biannually)
-Seminar on General Standard of LED Display Screen (annually)
- China LED Application Information Exchanging Meeting (biannually)
-Council of LED Display Application branch (annually)

LCD branch:
- China Flat Panel Display Conference (biannually)
-Seminar on General Standard of LED Display Screen (annually)
- Information Exchange Meeting (annually)
-Council of LCD branch (annually)

Laser holography branch:
- Information Exchange Meeting (annually)

China International Photonics Industry Development Conference (CIPIDC)

China International Photonics Industry Development Conference (CIPIDC) is an important photonics conference in China, CIPIDC will be hold annually during ILOPE, and Exhibitors have the opportunity to listen and discus about photonics industry and technology development, with experts and professors from China and other countries. There will be photonics development situation reports and hot technology speech-LED, LCD, Laser, etc, presented by associations, experts from the hot photonics regions, academicians from CAS and CAE.

  China International Photonics Industry Development Conference (CIPIDC) will contain:
-Annual Development Situation about Chinese Laser, Infrared, LED and LED Application, LCD, Optics.
-Hot technology progress; such as OLED, nanotechnology, laser diode, DUV-DPL, etc.
- Typical points of academicians from CAS and CAE.