G02F 1/133611
Including means for improving the brightness uniformity
Official title: {including means for improving the brightness uniformity}
G02F1/133611 (Including means for improving the brightness uniformity) appears on 1,206 US grants and 1,563 published applications in this corpus.
Search patents in G02F- Granted patents
- 1,206
- Published applications
- 1,563
- Assignees
- 365
- Inventors
- 2,669
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 2 |
| 2002 | 0 | 2 |
| 2003 | 5 | 6 |
| 2004 | 2 | 11 |
| 2005 | 7 | 20 |
| 2006 | 11 | 56 |
| 2007 | 16 | 61 |
| 2008 | 24 | 61 |
| 2009 | 30 | 91 |
| 2010 | 57 | 98 |
| 2011 | 61 | 83 |
| 2012 | 58 | 80 |
| 2013 | 54 | 53 |
| 2014 | 65 | 50 |
| 2015 | 43 | 57 |
| 2016 | 41 | 53 |
| 2017 | 35 | 51 |
| 2018 | 55 | 62 |
| 2019 | 61 | 141 |
| 2020 | 122 | 102 |
| 2021 | 106 | 97 |
| 2022 | 83 | 78 |
| 2023 | 80 | 78 |
| 2024 | 84 | 79 |
| 2025 | 55 | 52 |
| 2026 | 30 | 39 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- System for uniformly illuminating liquid crystal display board from rear side151US 5,057,974 A1991
- Brightness enhancing film and display device having the same129US 7,586,566 B23M Innovative Properties Company · 2009
- Light emitting device assembly, surface light source device, liquid crystal display device assembly, and light output member107US 8,269,916 B2Sony Corporation · 2012
- Back light unit including a diffuser with various diffusion effects94US 6,861,789 B2Chi Mei Optoelectronics Corp. · 2005
- Polarization sensitive light homogenizer94US 7,784,954 B1Fusion Optix, Inc. · 2010