Illumination module and display device
US-9829714-B2 · Nov 28, 2017 · US
using crossed beamsplitting surfaces, e.g. cross-dichroic cubes or X-cubes
using crossed beamsplitting surfaces, e.g. cross-dichroic cubes or X-cubes · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02B27/149 |
| Official title | {using crossed beamsplitting surfaces, e.g. cross-dichroic cubes or X-cubes} |
| Display label | using crossed beamsplitting surfaces, e.g. cross-dichroic cubes or X-cubes |
| Total patents | 466 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 17 |
| 2016 | 34 |
| 2017 | 40 |
| 2018 | 56 |
| 2019 | 65 |
| 2020 | 52 |
| 2021 | 63 |
| 2022 | 51 |
| 2023 | 37 |
| 2024 | 23 |
| 2025 | 23 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Light source device
US-2017314744-A1 · Nov 2, 2017 · US
Projector
US-2017293213-A1 · Oct 12, 2017 · US
Light source apparatus and projection display apparatus provided with same including waveplate and dichroic prism
US-9740088-B2 · Aug 22, 2017 · US
Rolling beam splitter optical switching mechanism for combination and selection of detector illumination
US-2017176739-A1 · Jun 22, 2017 · US
Optical sensor for integration over a display backplane
US-2017161544-A1 · Jun 8, 2017 · US
Light source device and image projection apparatus
US-2017090274-A1 · Mar 30, 2017 · US
Modular lens for extremely wide field of view
US-2017059858-A1 · Mar 2, 2017 · US
Methods for making optical devices
US-2017045749-A1 · Feb 16, 2017 · US
Optical path changing device and projector
US-2016363850-A1 · Dec 15, 2016 · US
Wire grid polarizer with dual absorptive regions
US-2016357064-A1 · Dec 8, 2016 · US
Micro lens array substrate, electro-optical device, and electronic apparatus
US-9500900-B2 · Nov 22, 2016 · US
Microlens array, method for manufacturing microlens array, electro-optical device and electronic apparatus
US-9477015-B2 · Oct 25, 2016 · US
Image display apparatus and image display method
US-2016307483-A1 · Oct 20, 2016 · US
Optical assembly
US-2016306180-A1 · Oct 20, 2016 · US
Light source apparatus and method for generating a mixed color light beam
US-2016306270-A1 · Oct 20, 2016 · US
Projection subsystem for high contrast projection system
US-2016299417-A1 · Oct 13, 2016 · US
Illumination device and projection display device using same
US-2016301904-A1 · Oct 13, 2016 · US
Digital camera with light splitter
US-9465221-B2 · Oct 11, 2016 · US
Six-primary solid state illuminator
US-9465222-B2 · Oct 11, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02B27/149?
- CPC G02B27/149 is the Cooperative Patent Classification code for “using crossed beamsplitting surfaces, e.g. cross-dichroic cubes or X-cubes.”
- How many patents are filed under CPC G02B27/149 (using crossed beamsplitting surfaces, e.g. cross-dichroic cubes or X-cubes)?
- Our database includes 466 publications tagged with this CPC code.
- Is patent activity under CPC G02B27/149 growing?
- Publication counts under this code: 23 in 2024 vs 23 in 2025 (latest complete years).