H01J 2211/444
Means for improving contrast or colour purity
Official title: Means for improving contrast or colour purity, e.g. black matrix or light shielding means
H01J2211/444 (Means for improving contrast or colour purity) appears on 265 US grants and 383 published applications in this corpus.
Search patents in H01J- Granted patents
- 265
- Published applications
- 383
- Assignees
- 70
- Inventors
- 643
- Latest grant
- 18 Nov 2014
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 4 | 0 |
| 1999 | 7 | 0 |
| 2000 | 7 | 0 |
| 2001 | 9 | 5 |
| 2002 | 10 | 21 |
| 2003 | 20 | 18 |
| 2004 | 12 | 21 |
| 2005 | 21 | 37 |
| 2006 | 21 | 43 |
| 2007 | 15 | 57 |
| 2008 | 16 | 85 |
| 2009 | 18 | 44 |
| 2010 | 44 | 35 |
| 2011 | 30 | 13 |
| 2012 | 23 | 2 |
| 2013 | 6 | 1 |
| 2014 | 2 | 0 |
| 2015 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Optical sheet controlling external light, display device and method for producing optical sheet18 Nov 2014US 8,888,303 B2Dai Nippon Printing Co.Ltd.
- Flat display panel, mother substrate for flat display panel, and method of manufacturing the flat display panel15 Apr 2014US 8,698,993 B2Samsung Display Co., Ltd.
- Method of manufacturing PDP bus electrode26 Nov 2013US 8,591,278 B1E. I. Du Pont de Nemours and Company
- Filter and plasma display device thereof8 Oct 2013US 8,552,932 B2LG Electronics Inc.
- Optical filter and flat display panel comprising the same6 Aug 2013US 8,503,123 B2Samsung SDI.Co., Ltd.
- Optical sheet controlling external light, display device and method for producing optical sheet26 Feb 2015US 2015/0055235 A1Dai Nippon Printing Co.Ltd.
- Display filter, display device comprising same and production method for same2 May 2013US 2013/0107387 A1LG Electronics Inc.
- Flat display panel, mother substrate for flat display panel, and method of manufacturing the flat display panel26 Apr 2012US 2012/0099061 A1Samsung Display Co., Ltd.
- Plasma display panel and field emission display9 Feb 2012US 2012/0032581 A1Semiconductor Energy Laboratory Co.Ltd.
- Plasma display panel and method for manufacturing the same15 Sep 2011US 2011/0221728 A1
Most cited
By later US patents
- Surface discharge plasma display including light shielding film between adjacent electrode pairs254US 5,952,782 AFujitsu Limited · 1999
- Plasma display panel having high brightness and high contrast using light absorption reflection film130US 7,323,819 B2Samsung SDI.Co., Ltd. · 2008
- Plasma display device with auxiliary partition walls, corrugated, tiered and pigmented walls85US 6,008,582 ADai Nippon Printing Co.Ltd. · 1999
- Plasma display system72US 5,939,826 AHitachi, Ltd. · 1999
- Electrode for plasma display panel and process for producing the same51US 6,156,433 ADai Nippon Printing Co.Ltd. · 2000