G02F 1/136254
Checking
Official title: {Checking; Testing}
G02F1/136254 (Checking) appears on 559 US grants and 597 published applications in this corpus.
Search patents in G02F- Granted patents
- 559
- Published applications
- 597
- Assignees
- 157
- Inventors
- 1,190
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 8 | 0 |
| 1998 | 6 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 7 | 3 |
| 2002 | 5 | 11 |
| 2003 | 8 | 13 |
| 2004 | 14 | 33 |
| 2005 | 15 | 20 |
| 2006 | 24 | 28 |
| 2007 | 13 | 19 |
| 2008 | 13 | 29 |
| 2009 | 21 | 25 |
| 2010 | 23 | 26 |
| 2011 | 23 | 16 |
| 2012 | 16 | 13 |
| 2013 | 13 | 18 |
| 2014 | 9 | 17 |
| 2015 | 26 | 35 |
| 2016 | 25 | 49 |
| 2017 | 42 | 29 |
| 2018 | 40 | 44 |
| 2019 | 33 | 32 |
| 2020 | 36 | 20 |
| 2021 | 20 | 39 |
| 2022 | 21 | 30 |
| 2023 | 23 | 23 |
| 2024 | 32 | 11 |
| 2025 | 15 | 8 |
| 2026 | 1 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Display panel27 Jan 2026US 12,536,933 B2Innolux Corporation
- Method of fabricating array substrate with testing pins25 Nov 2025US 12,482,710 B2Beijing BOE Technology Development Co., Ltd.
- Liquid crystal device, electronic apparatus, and physical property measurement method for liquid crystal layer21 Oct 2025US 12,449,684 B2Seiko Epson Corporation
- Display apparatus and array substrate14 Oct 2025US 12,443,079 B2Boe Technology Group Co., Ltd.
- Liquid crystal apparatus and electronic device7 Oct 2025US 12,436,435 B2Seiko Epson Corporation
- Display substrate, display panel, and display device24 Sep 2026US 2026/0287951 A1Beijing Boe Optoelectronics Technology Co., Ltd.
- Electronic device11 Jun 2026US 2026/0162576 A1Innolux Corporation
- Display device and electronic device including the same26 Feb 2026US 2026/0060109 A1Samsung Display Co., Ltd.
- Display substrate, display panel and display apparatus29 Jan 2026US 2026/0029679 A1Boe Technology Group Co., Ltd.
- Wiring substrate, display device, and method of manufacturing the wiring substrate15 Jan 2026US 2026/0016726 A1Sharp Display Technology Corporation
Most cited
By later US patents
- Active matrix panel having display and driver TFT's on the same substrate281US 5,250,931 ASeiko Epson Corporation · 1993
- CMOS device for use in connection with an active matrix panel148US 5,341,012 ASeiko Epson Corporation · 1994
- Liquid crystal device, projection type color display device and driving circuit110US 5,780,872 ASeiko Epson Corporation · 1998
- Mura detection apparatus and method99US 5,917,935 APhoton Dynamics, Inc. · 1999
- Method and apparatus for inspection and correction of wiring of electronic circuit and for manufacture thereof94US 5,883,437 AHitachi, Ltd. · 1999