JP2002225317A5 - - Google Patents
Download PDFInfo
- Publication number
- JP2002225317A5 JP2002225317A5 JP2001025263A JP2001025263A JP2002225317A5 JP 2002225317 A5 JP2002225317 A5 JP 2002225317A5 JP 2001025263 A JP2001025263 A JP 2001025263A JP 2001025263 A JP2001025263 A JP 2001025263A JP 2002225317 A5 JP2002225317 A5 JP 2002225317A5
- Authority
- JP
- Japan
- Prior art keywords
- color
- ink
- inks
- types
- printing apparatus
- 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.)
- Withdrawn
Links
- 239000000976 ink Substances 0.000 claims 25
- 230000003595 spectral effect Effects 0.000 claims 7
- 238000006243 chemical reaction Methods 0.000 claims 4
- 238000000034 method Methods 0.000 claims 3
- 239000000463 material Substances 0.000 claims 2
- 239000003086 colorant Substances 0.000 claims 1
- 238000004040 coloring Methods 0.000 claims 1
- 238000007599 discharging Methods 0.000 claims 1
- 239000000049 pigment Substances 0.000 claims 1
Claims (6)
カラー画像データを、シアンとマゼンタとイエローの３種類の１次色インクと、前記３種類の１次色インクの混合で得られる特定の３次色と等価な色を有するとともに前記特定の３次色の分光反射率特性よりも平坦な分光反射率特性を有するメタメリズム改善用インクと、を含む複数種類のインクのインク量データに変換する色変換処理部を備え、
前記色変換処理部は、前記カラー画像内の少なくとも１つの色を、前記メタメリズム改善用インクと、前記３種類の１次色インクの少なくとも１つとを用いて再現し、これによって、前記少なくとも１つの色の分光反射率特性を、前記３種類の１次色インクの混合で再現される場合よりも平坦にするように色変換を実行する、印刷装置。 A printing apparatus that prints a color image using a plurality of types of ink ,
The color image data has a color equivalent to a specific tertiary color obtained by mixing three types of primary color inks of cyan, magenta, and yellow and the three types of primary color inks, and the specific tertiary color. A metamerism improving ink having a spectral reflectance characteristic that is flatter than the spectral reflectance characteristics of the color, and a color conversion processing unit that converts the ink amount data of a plurality of types of inks .
The color conversion processing unit reproduces at least one color in the color image using the metamerism improving ink and at least one of the three kinds of primary color inks, and thereby, the at least one color A printing apparatus that performs color conversion so that a spectral reflectance characteristic of a color is flatter than that in a case where the color spectral reflectance characteristic is reproduced by mixing the three primary color inks.
前記３種類の１次色インクと前記メタメリズム改善用インクとは、いずれも顔料インクである、印刷装置。The printing apparatus according to claim 1,
The printing apparatus in which each of the three kinds of primary color inks and the metamerism improving ink is a pigment ink.
前記色変換処理部は、
前記少なくとも１つの色を前記３種類の１次色インクの混合で再現するものと仮定するときの前記３種類の１次色インクのインク使用量の少なくとも一部を、前記メタメリズム改善用インクで置き換える処理を実行可能であり、
この際、前記少なくとも１つの色の明度が特定の範囲内にあるときには、前記メタメリズム改善用インクのインク量として、前記少なくとも１つの色を再現するために使用可能な前記メタメリズム改善用インクの最大可能使用量の約５０％以上を採用する、印刷装置。The printing apparatus according to claim 1, wherein:
The color conversion processing unit
When the at least one color is assumed to be reproduced by mixing the three types of primary color inks, at least part of the ink usage of the three types of primary color inks is replaced with the metamerism improving ink. Processing is possible ,
At this time, when the lightness of the at least one color is within a specific range, the maximum amount of the metamerism improving ink that can be used to reproduce the at least one color is used as the ink amount of the metamerism improving ink. A printing device that employs approximately 50% or more of the amount used.
前記明度の特定の範囲は、約２０％〜約８０％の範囲である、印刷装置。The printing apparatus according to claim 3,
The printing device wherein the specific range of brightness is in the range of about 20% to about 80%.
前記メタメリズム改善用インクは、ブラックインク用の色材と、他の色の色材とを含む、印刷装置。The printing apparatus according to any one of claims 1 to 4,
The metamerism for improving ink contains a coloring material for the black ink, the other colors and a color material, the printing apparatus.
シアンとマゼンタとイエローの３種類の１次色インクの混合で得られる特定の３次色と等価な色を有するとともに、前記特定の３次色の分光反射率特性よりも平坦な分光反射率特性を有するメタメリズム改善用インクと、前記３種類の１次色インクの少なくとも１つとを用いて前記カラー画像内の少なくとも１つの色を再現し、これによって、前記少なくとも１つの色の分光反射率特性を、前記３種類の１次色インクの混合で再現される場合よりも平坦にすることを特徴とする印刷方法。A method of printing a color image by discharging a plurality of types of ink onto a print medium,
Spectral reflectance characteristics having a color equivalent to a specific tertiary color obtained by mixing three types of primary color inks of cyan, magenta, and yellow, and flatter than the spectral reflectance characteristics of the specific tertiary color And at least one of the three kinds of primary color inks is used to reproduce at least one color in the color image, thereby obtaining a spectral reflectance characteristic of the at least one color. A printing method characterized in that the printing method is flattened as compared with the case where the three primary color inks are reproduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001025263A JP2002225317A (en) | 2001-02-01 | 2001-02-01 | Improvement in metamerism of printed matter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001025263A JP2002225317A (en) | 2001-02-01 | 2001-02-01 | Improvement in metamerism of printed matter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002225317A JP2002225317A (en) | 2002-08-14 |
| JP2002225317A5 true JP2002225317A5 (en) | 2005-04-07 |
Family
ID=18890292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001025263A Withdrawn JP2002225317A (en) | 2001-02-01 | 2001-02-01 | Improvement in metamerism of printed matter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2002225317A (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2004039899A1 (en) | 2002-11-01 | 2006-03-16 | セイコーエプソン株式会社 | Ink set, recording method, recording apparatus, recording system, and recorded matter |
| CN1330717C (en) | 2002-11-01 | 2007-08-08 | 精工爱普生株式会社 | Ink set and method for recording with the ink set, recording system, record |
| JP2005014588A (en) | 2003-06-06 | 2005-01-20 | Seiko Epson Corp | Printing device, printing method, and printing control program |
| JP5696521B2 (en) * | 2011-02-18 | 2015-04-08 | セイコーエプソン株式会社 | Recording device and color sample table |
| JP2021006619A (en) | 2019-06-27 | 2021-01-21 | 東洋インキＳｃホールディングス株式会社 | Ink set, ink jet recording method, and printed matter |
-
2001
- 2001-02-01 JP JP2001025263A patent/JP2002225317A/en not_active Withdrawn
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2002321396A5 (en) | ||
| JP6687387B2 (en) | Extended color gamut | |
| JP2005504655A5 (en) | ||
| EP0863190A3 (en) | Dye set for improved ink-jet image quality | |
| WO2002100959A1 (en) | Ink set and ink-jet recording method | |
| JP2012525766A (en) | Multi-color printing method and system using both process color and spot color in process ink set | |
| JP2008504400A5 (en) | ||
| EP1457535A4 (en) | Ink set, recording method, recording device, recording system, and recorded object | |
| JP2007534802A5 (en) | ||
| CN102218908A (en) | Printing apparatus, printing method, printing control method, and computer program | |
| JP3360358B2 (en) | How to determine printing color material amount | |
| JP2006298978A5 (en) | ||
| JP2019031024A5 (en) | ||
| JP2007500091A (en) | Ink set with extended color gamut and method of using the same | |
| EP1507405A3 (en) | Image-forming method, image-forming apparatus, ink set and ink | |
| JP2002292906A5 (en) | ||
| DE69939143D1 (en) | Printer, printing process and ink cartridge | |
| JP2002225317A5 (en) | ||
| CN101160361B (en) | Ink set and ink jet recording method | |
| CA2431873A1 (en) | Method and apparatus for two-color thermal point of sale (pos) printing | |
| JP2008533246A5 (en) | ||
| EP1942007B1 (en) | Planographic printing method and ink | |
| CN103419511A (en) | Color processing apparatus and method | |
| CN102673194B (en) | Printing control apparatus and printing control method | |
| JP2004525564A (en) | How to print color images |