US20020005509A1 - Dye combinations for image enhancement filters for color video displays - Google Patents
Dye combinations for image enhancement filters for color video displays Download PDFInfo
- Publication number
- US20020005509A1 US20020005509A1 US09/234,314 US23431499A US2002005509A1 US 20020005509 A1 US20020005509 A1 US 20020005509A1 US 23431499 A US23431499 A US 23431499A US 2002005509 A1 US2002005509 A1 US 2002005509A1
- Authority
- US
- United States
- Prior art keywords
- filter
- dye
- matrix
- display device
- color
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/22—Absorbing filters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J11/00—Gas-filled discharge tubes with alternating current induction of the discharge, e.g. alternating current plasma display panels [AC-PDP]; Gas-filled discharge tubes without any main electrode inside the vessel; Gas-filled discharge tubes with at least one main electrode outside the vessel
- H01J11/10—AC-PDPs with at least one main electrode being out of contact with the plasma
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/22—Absorbing filters
- G02B5/223—Absorbing filters containing organic substances, e.g. dyes, inks or pigments
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J11/00—Gas-filled discharge tubes with alternating current induction of the discharge, e.g. alternating current plasma display panels [AC-PDP]; Gas-filled discharge tubes without any main electrode inside the vessel; Gas-filled discharge tubes with at least one main electrode outside the vessel
- H01J11/20—Constructional details
- H01J11/34—Vessels, containers or parts thereof, e.g. substrates
- H01J11/44—Optical arrangements or shielding arrangements, e.g. filters, black matrices, light reflecting means or electromagnetic shielding means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/86—Vessels; Containers; Vacuum locks
- H01J29/89—Optical or photographic arrangements structurally combined or co-operating with the vessel
- H01J29/898—Spectral filters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2211/00—Plasma display panels with alternate current induction of the discharge, e.g. AC-PDPs
- H01J2211/20—Constructional details
- H01J2211/34—Vessels, containers or parts thereof, e.g. substrates
- H01J2211/44—Optical arrangements or shielding arrangements, e.g. filters or lenses
- H01J2211/444—Means for improving contrast or colour purity, e.g. black matrix or light shielding means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
Definitions
- U.S. Pat. No. 4,989,953 referred to above advocates the use of colored filters for monochromatic displays.
- a magenta colored filter is used for CRTs with green phosphors
- a blue colored filter is used for amber colored CRTs.
- this concept is not much useful for color displays because the blue filter, for example, will block out the red and/or green depending on the spectral characteristics of the filter.
- Plasma display panels also known as gas display panels, have features such as a wide viewing angle, easy to see display because of self light emission, and a slim form. These advantages have encouraged increasing use of gas discharge display panels for high quality television sets.
- the exact structure of the PDPs is not a feature of the present invention, and it is contemplated that the filters of this invention are useful for any color PDP regardless of the exact configuration. Those of ordinary skill in the art would be capable of using the inventive filter with any PDP device.
- FIG. 3 is the absorbance spectrum of a dye set containing 0.40% ABS 574 and 0.53% ABS 594 in a polymethyl methylacrylate (PMMA) matrix.
- FIG. 7 is the absorbance spectrum of a dye set containing 0.40% ABS 574 and 0.80% ABS 594 in a PMMA matrix in combination with 1.0% Astrazon Orange and 1.0% Luxol Fast Blue in a polyvinyl acetate (PVA) matrix.
- PVA polyvinyl acetate
- FIG. 8 is the chromaticity diagram of the dye set containing 0.40% ABS 574 and 0.80% ABS 594 in combination with 1.0% Astrazon Orange and 1.0% Luxol Fast Blue in a PVA matrix.
- FIG. 9 discloses the absorbance spectrum of dye set containing 0.25% ABS 574 and 0.50% ABS 594 in a PMMA matrix in combination with Astrazon Orange 1.0% and Luxol Fast Blue 1.0% in a PVA matrix.
- Absorption Bandwidth is within the range of 30-80 nm.
- the dye combinations include at least one or more red dyes having the absorbance spectrums of FIGS. 1 or 2 as well as having the stability and solubility described above. Combinations of these particular red dyes with other colored dyes can be made to yield effective multiple bandpass filters for display devices such as CRTs and PDPs and the like.
- the wavelength where the peak or peaks of the absorbance spectrum occur are unique and remain constant for a particular dye.
- the location of the absorption peak is fixed once the dye and solvent system is selected. Thus, it is the location of the absorption peak or peaks which characterizes a dye or dye composition.
- the present dye set increased the brightness from about 37% in Example 4 to about 56.9% and increased transmission in the blue region. Also the figure-of-merit improved significantly from the dye set of Example 4 from about 0.8 to about 0.96, while slightly compromising the improvement of green color purity. Color temperature was improved, about 1,000° K relative to the PDP without a filter. The relative contrast was about 1.69.
- the dye set was composed of about 0.12% by weight of Astrazon Orange, about 0.18% by weight of ABS 574, about 0.32% by weight of ABS 574, about 0.32% by weight of ABS 594, and about 0.38% by weight of Luxol Fast Blue in a polymethyl methacrylate polymer matrix.
- the solvent employed was a mixture of 80% methyl ethylketone and 20% dimethylfuran.
- the dye set was spun-coated into a 7 micron film on PET.
- FIG. 17 illustrates the absorbance spectrum of the present dye set.
- FIG. 18 illustrates the chromaticity diagram showing improved color contrast in the red, green, and blue wavelengths over a plasma display panel without the filter.
- the present dye set showed an improved color temperature of about +15,000° K, an improved relative brightness of about 62.2% with a relative contrast of about 1.523, a good figure-of-merit of about 0.95, see Table 2, and also an improved blue transmission of about 73%.
- the ⁇ E of the red, green, and blue coordinates was about 28.8, 16.0, and 9.6, respectively.
- an observer can completely distinguish the red and green colors of the plasma display with the filter over the plasma display panel without the filter, and can at least conclude that there is an obvious difference between the blue of the plasma display panel with the filter over the panel with the filter.
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Electromagnetism (AREA)
- Optical Filters (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Gas-Filled Discharge Tubes (AREA)
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/234,314 US20020005509A1 (en) | 1999-01-21 | 1999-01-21 | Dye combinations for image enhancement filters for color video displays |
EP20000902452 EP1153322B1 (de) | 1999-01-21 | 2000-01-21 | Farbstoffkombinationen fur bildverbesserungsfilter fur videoanzeigen |
PCT/US2000/001349 WO2000043814A1 (en) | 1999-01-21 | 2000-01-21 | Dye combinations for image enhancement filters for color video displays |
JP2000595180A JP2002540442A (ja) | 1999-01-21 | 2000-01-21 | カラー映像ディスプレイの画質向上フィルタ用染料組合わせ |
AT00902452T ATE511114T1 (de) | 1999-01-21 | 2000-01-21 | Farbstoffkombinationen fur bildverbesserungsfilter fur videoanzeigen |
KR1020017009206A KR100682780B1 (ko) | 1999-01-21 | 2000-01-21 | 컬러 비디오 디스플레이용 이미지 개선 필터를 위한 염료화합물 |
US10/222,774 US6989112B2 (en) | 1999-01-21 | 2002-08-19 | Dye combinations for image enhancement filters for color video displays |
US11/218,588 US20060001342A1 (en) | 1999-01-21 | 2005-09-06 | Dye combinations for image enhancement filters for color video displays |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/234,314 US20020005509A1 (en) | 1999-01-21 | 1999-01-21 | Dye combinations for image enhancement filters for color video displays |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/222,774 Continuation US6989112B2 (en) | 1999-01-21 | 2002-08-19 | Dye combinations for image enhancement filters for color video displays |
Publications (1)
Publication Number | Publication Date |
---|---|
US20020005509A1 true US20020005509A1 (en) | 2002-01-17 |
Family
ID=22880858
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/234,314 Abandoned US20020005509A1 (en) | 1999-01-21 | 1999-01-21 | Dye combinations for image enhancement filters for color video displays |
US10/222,774 Expired - Fee Related US6989112B2 (en) | 1999-01-21 | 2002-08-19 | Dye combinations for image enhancement filters for color video displays |
US11/218,588 Abandoned US20060001342A1 (en) | 1999-01-21 | 2005-09-06 | Dye combinations for image enhancement filters for color video displays |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/222,774 Expired - Fee Related US6989112B2 (en) | 1999-01-21 | 2002-08-19 | Dye combinations for image enhancement filters for color video displays |
US11/218,588 Abandoned US20060001342A1 (en) | 1999-01-21 | 2005-09-06 | Dye combinations for image enhancement filters for color video displays |
Country Status (6)
Country | Link |
---|---|
US (3) | US20020005509A1 (de) |
EP (1) | EP1153322B1 (de) |
JP (1) | JP2002540442A (de) |
KR (1) | KR100682780B1 (de) |
AT (1) | ATE511114T1 (de) |
WO (1) | WO2000043814A1 (de) |
Cited By (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6515811B2 (en) * | 2000-01-13 | 2003-02-04 | Fuji Photo Film Co., Ltd. | Optical filter having two absorption maximums |
US6532120B1 (en) * | 1998-10-20 | 2003-03-11 | Fuji Photo Film Co., Ltd. | Optical filter |
US6597525B2 (en) * | 2000-09-29 | 2003-07-22 | Fuji Photo Film Co., Ltd. | Optical filter and image display |
FR2839184A1 (fr) * | 2002-04-30 | 2003-10-31 | Johnson Contr Automotive Elect | Capot pour ecran cathodo-luminescent |
US20040241458A1 (en) * | 2003-05-28 | 2004-12-02 | D'haene Pol | Plasma display panel filters comprising multiple layers |
US20040239251A1 (en) * | 2003-05-28 | 2004-12-02 | D'haene Pol | Plasma display panel filters |
WO2005008714A1 (fr) * | 2003-06-20 | 2005-01-27 | Johnson Controls Automotive Elecronics | Ensemble d'un ecran cathodoluminescent et de son capot de protection |
US20050094275A1 (en) * | 1999-06-17 | 2005-05-05 | Fuji Photo Film Co., Ltd. | Optical filter |
US20060001342A1 (en) * | 1999-01-21 | 2006-01-05 | Asahi Glass Company, Ltd. | Dye combinations for image enhancement filters for color video displays |
US20070001567A1 (en) * | 2005-06-30 | 2007-01-04 | D Haene Pol | Method of making impact resistant, direct contact plasma display panel filters |
US20070001566A1 (en) * | 2005-06-30 | 2007-01-04 | D Haene Pol | Impact resistant, direct contact plasma display panel filters |
US20080186565A1 (en) * | 2007-02-02 | 2008-08-07 | Marianne Krieg-Kowald | Optical filter panel having a narrow -width selective-wavelength attenuation and high visible light transmission |
US20080266690A1 (en) * | 2005-03-16 | 2008-10-30 | Matsushita Electric Works, Ltd. | Optical Filter and Lighting Apparatus |
US20110228510A1 (en) * | 2010-03-16 | 2011-09-22 | Samsung Mobile Display Co., Ltd. | Optical filter and organic light-emitting device including the same |
US20160165214A1 (en) * | 2014-12-08 | 2016-06-09 | Lg Innotek Co., Ltd. | Image processing apparatus and mobile camera including the same |
US20170106609A1 (en) * | 2015-02-15 | 2017-04-20 | Roger Wen Yi Hsu | Methods And Systems For Making An Optical Functional Film |
US20180373096A1 (en) * | 2015-07-06 | 2018-12-27 | Lg Chem, Ltd. | Wide color gamut film, composition for preparing the same, polarizing plate comprising the same, and liquid crystal display comprising the polarizer plate |
WO2019099554A1 (en) * | 2017-11-14 | 2019-05-23 | Healthe Llc | Light emission reducing compounds for electronic devices |
US10642087B2 (en) | 2014-05-23 | 2020-05-05 | Eyesafe, Llc | Light emission reducing compounds for electronic devices |
US10807328B2 (en) * | 2015-10-18 | 2020-10-20 | Roger Wen Yi Hsu | Methods and systems for making an optical functional film |
US10955697B2 (en) | 2018-11-28 | 2021-03-23 | Eyesafe Inc. | Light emission modification |
US10971660B2 (en) | 2019-08-09 | 2021-04-06 | Eyesafe Inc. | White LED light source and method of making same |
US20210181532A1 (en) * | 2018-06-12 | 2021-06-17 | Essilor International | Color-balanced lenses exhibiting reduced blue light transmittance |
US11126033B2 (en) | 2018-11-28 | 2021-09-21 | Eyesafe Inc. | Backlight unit with emission modification |
WO2022055520A1 (en) * | 2020-09-12 | 2022-03-17 | Hsu Roger Wen Yi | Methods and systems for making an optical functional film |
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US11592701B2 (en) | 2018-11-28 | 2023-02-28 | Eyesafe Inc. | Backlight unit with emission modification |
US11701315B2 (en) * | 2006-03-20 | 2023-07-18 | High Performance Optics, Inc. | High energy visible light filter systems with yellowness index values |
US11774783B2 (en) * | 2006-03-20 | 2023-10-03 | High Performance Optics, Inc. | High performance selective light wavelength filtering providing improved contrast sensitivity |
US11810532B2 (en) | 2018-11-28 | 2023-11-07 | Eyesafe Inc. | Systems for monitoring and regulating harmful blue light exposure from digital devices |
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JP3410024B2 (ja) * | 1998-06-18 | 2003-05-26 | 富士通株式会社 | ガス放電表示装置 |
US6229252B1 (en) | 1999-01-21 | 2001-05-08 | Asahi Glass Company, Limited | Dye combinations for multiple bandpass filters for video displays |
EP1398652A3 (de) | 2001-04-27 | 2004-06-23 | Asahi Glass Co., Ltd. | Filter für Plasmaanzeigetafel |
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US6933019B2 (en) | 2003-11-06 | 2005-08-23 | Jds Uniphase Corporation | Method of applying a uniform polymer coating |
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US6532120B1 (en) * | 1998-10-20 | 2003-03-11 | Fuji Photo Film Co., Ltd. | Optical filter |
US6229252B1 (en) | 1999-01-21 | 2001-05-08 | Asahi Glass Company, Limited | Dye combinations for multiple bandpass filters for video displays |
US20020005509A1 (en) * | 1999-01-21 | 2002-01-17 | Chia-Chi Teng | Dye combinations for image enhancement filters for color video displays |
EP1398652A3 (de) * | 2001-04-27 | 2004-06-23 | Asahi Glass Co., Ltd. | Filter für Plasmaanzeigetafel |
-
1999
- 1999-01-21 US US09/234,314 patent/US20020005509A1/en not_active Abandoned
-
2000
- 2000-01-21 EP EP20000902452 patent/EP1153322B1/de not_active Expired - Lifetime
- 2000-01-21 JP JP2000595180A patent/JP2002540442A/ja active Pending
- 2000-01-21 WO PCT/US2000/001349 patent/WO2000043814A1/en active IP Right Grant
- 2000-01-21 KR KR1020017009206A patent/KR100682780B1/ko active IP Right Review Request
- 2000-01-21 AT AT00902452T patent/ATE511114T1/de not_active IP Right Cessation
-
2002
- 2002-08-19 US US10/222,774 patent/US6989112B2/en not_active Expired - Fee Related
-
2005
- 2005-09-06 US US11/218,588 patent/US20060001342A1/en not_active Abandoned
Cited By (52)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6532120B1 (en) * | 1998-10-20 | 2003-03-11 | Fuji Photo Film Co., Ltd. | Optical filter |
US20060001342A1 (en) * | 1999-01-21 | 2006-01-05 | Asahi Glass Company, Ltd. | Dye combinations for image enhancement filters for color video displays |
US20050094275A1 (en) * | 1999-06-17 | 2005-05-05 | Fuji Photo Film Co., Ltd. | Optical filter |
US7357981B2 (en) * | 1999-06-17 | 2008-04-15 | Fujifilm Corporation | Optical filter |
US6515811B2 (en) * | 2000-01-13 | 2003-02-04 | Fuji Photo Film Co., Ltd. | Optical filter having two absorption maximums |
US6597525B2 (en) * | 2000-09-29 | 2003-07-22 | Fuji Photo Film Co., Ltd. | Optical filter and image display |
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Also Published As
Publication number | Publication date |
---|---|
WO2000043814A1 (en) | 2000-07-27 |
JP2002540442A (ja) | 2002-11-26 |
US20030015692A1 (en) | 2003-01-23 |
KR20010102989A (ko) | 2001-11-17 |
US6989112B2 (en) | 2006-01-24 |
ATE511114T1 (de) | 2011-06-15 |
EP1153322A4 (de) | 2002-06-19 |
US20060001342A1 (en) | 2006-01-05 |
EP1153322B1 (de) | 2011-05-25 |
KR100682780B1 (ko) | 2007-02-15 |
EP1153322A1 (de) | 2001-11-14 |
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