1.Overview of AR Technologies
1.1 Different Types of HMDs
1.1.1 Video See-through Head Mounted Displays
1.1.2 Optical See-through Head Mounted Displays

2. Patent Mining
 

3. Data Analysis
3.1 Trend Analysis
3.1.1 Patent Distribution by Country
3.3.2 Patent Distribution by Sector and by Field
3.3.3 Key Technologies & Applications
3.2 Key Patent Analysis
3.2.1 LCOS Optical Projective AR HMD

4. Conclusion
4.1 Vendors' Deployment Focuses on Optics, Audio-Visual Technology, Computer Technology, Telecommunications
4.2 Audio-Visual System, Data Processing are Core Technologies; HMI and AI are Essential to Product Differentiation
4.3 Vendors Should Design around Original Technology of HoloLens since Microsoft Has Acquired the Patent

Appendix
Glossary of Terms
List of Companies

Overview of mainstream AR technologies, including video see-through head mounted displays and optical see-through head mounted displays

Patent mining procedure and data analysis—including patent distribution by country, by sector, and by field—of the 933 AR-related patents identified by the use of data mining technique

Key technology fields identified by the text mining, including an analysis of a key patent—LCOS optical projective AR HMD
 

Figure 1: AR Head-Mounted Display Products
Figure 2: AR Head-Mounted Display Patents by Country
Figure 3: AR Head-Mounted Display Patents by Sector
Figure 4: AR Head-Mounted Display Patents by Field
Figure 5: AR Patents by Major Technology
Figure 6: An Embodiment of LCOS Optical Projective AR Head-Mounted Display

Table 1: Key Technology Fields Identified by Text Mining