Image display device
US-2016370595-A1 · Dec 22, 2016 · US
using refractive optical elements, e.g. prisms, in the optical path between the images and the observer
using refractive optical elements, e.g. prisms, in the optical path between the images and the observer · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02B30/36 |
| Official title | using refractive optical elements, e.g. prisms, in the optical path between the images and the observer |
| Display label | using refractive optical elements, e.g. prisms, in the optical path between the images and the observer |
| Total patents | 254 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 30 |
| 2016 | 32 |
| 2017 | 27 |
| 2018 | 32 |
| 2019 | 27 |
| 2020 | 32 |
| 2021 | 17 |
| 2022 | 16 |
| 2023 | 8 |
| 2024 | 20 |
| 2025 | 12 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fresnel liquid crystal lens panel, manufacturing method thereof and 3d display
US-2016363781-A1 · Dec 15, 2016 · US
Directional flat illuminators
US-9519153-B2 · Dec 13, 2016 · US
Display device and preparation method thereof
US-2016353091-A1 · Dec 1, 2016 · US
Liquid crystal optical element and image display apparatus including the same
US-9500874-B2 · Nov 22, 2016 · US
Energy efficient directional flat illuminators
US-9482874-B2 · Nov 1, 2016 · US
Illumination system, projection apparatus and illumination switch method
US-9477089-B2 · Oct 25, 2016 · US
Display device and method of controlling the same
US-2016301918-A1 · Oct 13, 2016 · US
Three-dimensional display
US-2016291336-A1 · Oct 6, 2016 · US
Optical device including optical modulation device, and driving method thereof
US-2016275884-A1 · Sep 22, 2016 · US
Optical modulation device and driving method thereof
US-2016274395-A1 · Sep 22, 2016 · US
Display panel and 3D display device
US-9423625-B2 · Aug 23, 2016 · US
Stereoscopic image display and method for manufacturing the same
US-2016209667-A1 · Jul 21, 2016 · US
Stereoscopic image processing system and device and glasses
US-9395546-B2 · Jul 19, 2016 · US
Liquid crystal lens panel and display device including the same
US-2016202493-A1 · Jul 14, 2016 · US
Light-restricted projection units and three-dimensional display systems using the same
US-2016165223-A1 · Jun 9, 2016 · US
Dual-view display substrate and display device
US-9360674-B2 · Jun 7, 2016 · US
Image display device using diffractive lens
US-9354451-B2 · May 31, 2016 · US
High resolution imaging devices with wide field and extended focus
US-9357202-B2 · May 31, 2016 · US
Stereoscopic imaging apparatus and method, and display
US-2016131918-A1 · May 12, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02B30/36?
- CPC G02B30/36 is the Cooperative Patent Classification code for “using refractive optical elements, e.g. prisms, in the optical path between the images and the observer.”
- How many patents are filed under CPC G02B30/36 (using refractive optical elements, e.g. prisms, in the optical path between the images and the observer)?
- Our database includes 254 publications tagged with this CPC code.
- Is patent activity under CPC G02B30/36 growing?
- Publication counts under this code: 20 in 2024 vs 12 in 2025 (latest complete years).