IPC Subgroup
G02B 30/22 of the stereoscopic type
Introduced: January 2020
Full Title
Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images > by providing first and second parallax images to an observer’s left and right eyes > of the stereoscopic type
Classification Context
- Section:
- PHYSICS
- Class:
- OPTICS
- Subclass:
- OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
Additional Content
Stereoscopic with left and right images projected to the left and right eyes of an observer, who is required to view the image through an optical system placed adjacent to the eyes.
3 direct subcodes
Child Classifications
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- G02B 30/23 using wavelength separation, e.g. using anaglyph techniques
- G02B 30/24 involving temporal multiplexing, e.g. using sequentially activated left and right shutters
- G02B 30/25 using polarisation techniques
Top Applicants
Top 10 applicants by patent filingsfor class G02, 2013–2023, worldwide · Source: EPO PATSTAT
- BOE TECHNOLOGY GROUP COMPANY 13,460
- BOE TECHNOLOGY GROUP COMPANY CN 11,745
- SAMSUNG DISPLAY KR 10,908
- CANON 9,072
- FUJIFILM JP 7,957
- SAMSUNG ELECTRONICS COMPANY KR 7,805
- LG DISPLAY COMPANY KR 6,558
- CHINESE ACADEMY OF SCIENCES 5,855
- NITTO DENKO CORPORATION JP 5,817
- OLYMPUS CORPORATION JP 4,579