G02F 1/19
Based on variable-reflection or variable-refraction elements not provided for in groups g02f1/015
Official title: based on variable-reflection or variable-refraction elements not provided for in groups G02F1/015 - G02F1/169
G02F1/19 (Based on variable-reflection or variable-refraction elements not provided for in groups g02f1/015) appears on 289 US grants and 316 published applications in this corpus.
Search patents in G02F- Granted patents
- 289
- Published applications
- 316
- Assignees
- 186
- Inventors
- 687
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 7 | 1 |
| 2002 | 3 | 9 |
| 2003 | 11 | 10 |
| 2004 | 4 | 7 |
| 2005 | 5 | 7 |
| 2006 | 9 | 8 |
| 2007 | 4 | 2 |
| 2008 | 5 | 4 |
| 2009 | 3 | 10 |
| 2010 | 5 | 4 |
| 2011 | 5 | 6 |
| 2012 | 2 | 6 |
| 2013 | 4 | 4 |
| 2014 | 6 | 7 |
| 2015 | 2 | 6 |
| 2016 | 9 | 15 |
| 2017 | 8 | 12 |
| 2018 | 8 | 30 |
| 2019 | 22 | 39 |
| 2020 | 28 | 30 |
| 2021 | 28 | 29 |
| 2022 | 16 | 11 |
| 2023 | 22 | 25 |
| 2024 | 15 | 15 |
| 2025 | 15 | 11 |
| 2026 | 6 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Display apparatus having liquid crystal grating, method for controlling display apparatus, and holographic 3D display screen9 Jun 2026US 12,650,667 B2Shanghai Tianma Microelectronics Co., Ltd.
- Display device21 Apr 2026US 12,607,885 B2E Ink Corporation
- Displaying images on total internal reflective displays24 Mar 2026US 12,585,162 B2Wuxi Clearink Limited
- System and method for wavelength-selective attenuation and modulation24 Feb 2026US 12,560,851 B2Silicon Light Machines Corporation
- Driving methods for TIR-based image displays13 Jan 2026US 12,523,914 B2Wuxi Clearlink Limited
- Transparent articles with high shallow hardness and display devices with the same10 Sep 2026US 2026/0267182 A1Corning Incorporated
- Transparent articles with high shallow hardness and display devices with the same10 Sep 2026US 2026/0267183 A1Corning Incorporated
- Method for controlling refractive index of planar waveguide20 Aug 2026US 2026/0244068 A1Dispelix Oy
- Photodetector, modulator, semiconductor device and semiconductor apparatus16 Jul 2026US 2026/0202691 A1Black Semiconductor GmbH
- Display and Display Arrangement Comprising an Upconversion Material in Conjunction with a Photochromic and/or Photoelectrochromic Material16 Jul 2026US 2026/0202692 A1
Most cited
By later US patents
- Device for modulating and reflecting electromagnetic radiation employing electro-optic layer having a variable index of refraction311US 4,786,128 AQuantum Diagnostics Ltd. · 1988
- Optical article for multicolor imaging225US 5,075,796 AEastman Kodak Company · 1991
- Visible spectrum modulator arrays175US 7,126,738 B2Idc, LLC · 2006
- Electrophoretic, high index and phase transition control of total internal reflection in high efficiency variable reflectivity image displays164US 6,215,920 B1The University of British Columbia · 2001
- High modulation rate optical plasmon waveguide modulator149US 5,067,788 APhysical Optics Corporation · 1991