(The following topics include but are not limited to)
Topic 1: Electronic Information
signal communication
network
Signal and image processing
Computer Science and Engineering
large-scale integrated circuit
System and Control
Electronic energy system
Photons & Optics 
electromagnetics
Computer Architecture
embedded software 
Micro Electro Mechanical Systems
Topic 2: Electrical
Conversion of electrical energy
Utilization and research
Transmission, distribution, and power supply system
Energy and Electrical
Smart grid
Electronics and Integrated Circuits
Cable engineering
Electrical Engineering
Electric transportation engineering
electric control 
Electric energy processing
Power Electronics and Power Transmission
Optoelectronic Information
electromagnetics
relay protection
Power system and its automation
Electrical testing
power equipment 
High voltage and insulation technology
Electrical Theory and New Technologies
Electrical automation
Light source and illumination
Topic 3: Optoelectronic Science
Optoelectronic materials (infrared materials/laser materials/fiber optic materials/nonlinear optical materials, etc.)
Optoelectronic materials and components (solar cells/semiconductors/optical glass, etc.)
Optoelectronic display (LED/LCD/LED, etc.)
Optical storage (DVD/CD/burner, etc.)
Optoelectronic information and processing (information recognition, capture, etc.)
Optical imaging and processing (image enhancement and restoration/pattern recognition, etc.)
Optoelectronic detection and intelligent sensing (detection technology/intelligent instruments/wearable sensors, etc.)
Optoelectronic technology (laser/infrared/low light night vision, etc.)
Optical Measurement, Ranging, and Vision
Optical imaging and precision detection
Fiber optic communication and systems
Preparation and characterization of optoelectronic materials
Optoelectronic sensors and their applications
Optical Communication and Network