G02F 1/133357
Planarisation layers
Official title: {Planarisation layers}
G02F1/133357 (Planarisation layers) appears on 766 US grants and 838 published applications in this corpus.
Search patents in G02F- Granted patents
- 766
- Published applications
- 838
- Assignees
- 167
- Inventors
- 1,788
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 5 | 0 |
| 1997 | 6 | 0 |
| 1998 | 8 | 0 |
| 1999 | 17 | 0 |
| 2000 | 16 | 0 |
| 2001 | 14 | 9 |
| 2002 | 11 | 13 |
| 2003 | 14 | 12 |
| 2004 | 10 | 10 |
| 2005 | 10 | 13 |
| 2006 | 9 | 8 |
| 2007 | 5 | 14 |
| 2008 | 8 | 20 |
| 2009 | 13 | 15 |
| 2010 | 13 | 10 |
| 2011 | 16 | 11 |
| 2012 | 10 | 12 |
| 2013 | 8 | 15 |
| 2014 | 13 | 26 |
| 2015 | 17 | 39 |
| 2016 | 44 | 86 |
| 2017 | 64 | 93 |
| 2018 | 63 | 87 |
| 2019 | 81 | 85 |
| 2020 | 78 | 52 |
| 2021 | 49 | 56 |
| 2022 | 36 | 30 |
| 2023 | 39 | 38 |
| 2024 | 38 | 48 |
| 2025 | 32 | 24 |
| 2026 | 10 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Liquid crystal display panel and liquid crystal display apparatus comprising the same3 Sep 2026US 2026/0259463 A1LG Display Co., Ltd.
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Most cited
By later US patents
- Thin film transistor array302US 5,003,356 ACasio Computer Co., Ltd. · 1991
- LCD with bus lines overlapped by pixel electrodes and photo-imageable insulating layer therebetween264US 5,641,974 AOIS Optical Imaging Systems, Inc. · 1997
- Thin film transistor206US 5,055,899 ACasio Computer Co., Ltd. · 1991
- Liquid crystal display with planarizing organic gate insulator and organic planarization layer and method for manufacturing174US 6,100,954 ALG Electronics Inc. · 2000
- Color display device170US 5,818,550 ASony Corporation · 1998