Company Filing History:
11 out of 18,154 
10 out of 2,306 
1 out of 1,447 
Years Active: 2023-2025
Title: Na Han: Innovator in Optical Systems and VR Technology
Introduction
Na Han is a prominent inventor based in Beijing, China, known for his significant contributions to optical systems and virtual reality (VR) technology. With a total of 11 patents to his name, Han has made remarkable strides in enhancing display technologies.
Latest Patents
Among his latest patents, Han has developed an optical system and a VR display device. The optical system features an optical axis and includes a positive focal power lens, a negative focal power lens, and a display. The positive focal power lens consists of a first convex surface away from the display and a second convex surface proximate to the display. The negative focal power lens includes a third convex surface away from the display and a fourth concave surface proximate to the display. The refractive indices of the lenses are carefully designed, with the first refractive index being greater than 1.7 and the second refractive index being greater than 1.5, ensuring optimal performance. Additionally, his near-eye display device incorporates a display screen, an imaging lens, a flat plate, a phase retardation layer, a polarization beam-splitting layer, a polarizing layer, and a curved mirror, all working together to enhance the user experience.
Career Highlights
Na Han has worked with notable companies such as BOE Technology Group Co., Ltd. and Beijing BOE Optoelectronics Technology Co., Ltd. His work in these organizations has allowed him to push the boundaries of optical technology and contribute to advancements in the field.
Collaborations
Throughout his career, Han has collaborated with talented individuals, including Ruijun Dong and Chenru Wang, who have contributed to his innovative projects.
Conclusion
Na Han's work in optical systems and VR technology showcases his dedication to innovation and excellence. His patents reflect a deep understanding of the complexities involved in display technology, positioning him as a key figure in the industry.