WO2006076211A2 - Systeme et procede de representation sur des surfaces de couleurs vraies dependant d'un dispositif et d'obtention de peintures et d'enduits correspondant aux couleurs vraies - Google Patents

Systeme et procede de representation sur des surfaces de couleurs vraies dependant d'un dispositif et d'obtention de peintures et d'enduits correspondant aux couleurs vraies Download PDF

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Publication number
WO2006076211A2
WO2006076211A2 PCT/US2006/000359 US2006000359W WO2006076211A2 WO 2006076211 A2 WO2006076211 A2 WO 2006076211A2 US 2006000359 W US2006000359 W US 2006000359W WO 2006076211 A2 WO2006076211 A2 WO 2006076211A2
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WO
WIPO (PCT)
Prior art keywords
color
colors
dependent
light
paint
Prior art date
Application number
PCT/US2006/000359
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English (en)
Other versions
WO2006076211A3 (fr
Inventor
Carl Minchew
Patrick Tak Fu Chong
Original Assignee
Columbia Insurance Company
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US11/032,247 external-priority patent/US20060152527A1/en
Priority claimed from US11/032,248 external-priority patent/US7474314B2/en
Application filed by Columbia Insurance Company filed Critical Columbia Insurance Company
Priority to EP06717543A priority Critical patent/EP1851751A4/fr
Publication of WO2006076211A2 publication Critical patent/WO2006076211A2/fr
Publication of WO2006076211A3 publication Critical patent/WO2006076211A3/fr

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F5/00—Means for displaying samples
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/20—Illuminated signs; Luminous advertising with luminescent surfaces or parts
    • G09F13/22—Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent

Definitions

  • This invention generally relates to a system of representing true colors with device- dependent colors on surfaces, such as full size walls and furniture, and to produce paints or other coatings matching the device-dependent colors displayed on such surfaces.
  • the invention is also directed to a full size room or portions thereof that can display one or more device-dependent colors for users to view and a method of producing paints that match the displayed colors.
  • the buyers Before purchasing paints, buyers typically are given a fan or palette comprising hundreds or thousands of very small paint chips, which represent the available paint colors, and the buyers would place the individual chips next to a wall to try to determine whether the colors on the chip are acceptable.
  • the chips typically measure about VA inch by 2 inches, but the walls are typically hundreds of times larger. Hence, it is difficult for the buyers to mentally project the colors on the chips over the entire surface of the walls.
  • the buyers can purchase larger paint chips of about 12 inches by 12 inches to assist the buyers with the mental projection of the colors to the walls.
  • the chips can be expensive, and the mental projection remains unsatisfactory.
  • the buyers may purchase small containers of about 2 ounces of the desired paints to paint larger swatches on the walls.
  • the buyers start with small paint chips to narrow the choices and then move to larger paint chips and/or sample paints before choosing the final colors. This selection and purchasing process can be time consuming and frustrating for the buyers.
  • PCV Benjamin Moore® Paints' Personal Color Viewer TM
  • the PCV software displays on a computer screen a number of standard interior rooms with furniture, e.g., living room, dining room, bedrooms kitchen and bathroom, as well as the exteriors of a dwelling.
  • the buyers can change the colors of the room, including ceiling, trim and upper and lower walls, at will to project the colors to the entire room.
  • digital images of the buyers' own dwellings can be manipulated by PCV to display the desired colors.
  • the walls in some public buildings have the capability of changing colors due to the light that are projected on to them.
  • some of the walls in the Detroit airport are illuminated by LEDs.
  • the colors and patterns on these walls can be changed at will by altering the outputs of the LEDs. No attempt is made to match the displayed color to a true color or device independent color, and uniformity of colors on the walls is not a concern.
  • Methods of changing colors projected on to a surface are described in United States patent numbers 6,259,430 Bl, 6,340,868 Bl, 6,150,774 and 6,016,038 and European patent number 1,016,062. The disclosures of these patent references are incorporated by reference herein in their entireties.
  • the present invention includes a method for selecting paints.
  • This method has at least the steps of selecting true paint color(s), displaying device-dependent color(s) corresponding to the true paint color(s) in a simulated full size room, and interacting with the buyers to change the displayed color(s) and select the desired color(s).
  • the method can also include the step of dispensing paint(s) corresponding to the selected color(s).
  • the displayed color(s) can be generated by multiple color and/or broad band LEDs to provide a wider gamut of displayable colors and more color saturation and chromatic. This method can also suggest to the buyers harmonious or compatible colors.
  • the present invention also includes an apparatus for displaying paint color(s) comprising a wall portion sized and dimensioned to be substantially similar to a full size wall.
  • a device-dependent color is displayed uniformly on a front surface of the wall portion.
  • the device-dependent color has color coordinates that are substantially similar to the color coordinates of the paint color, and wherein a light, e.g., LEDs, displaying the device- dependent color is diffused before illuminating the front surface of the wall portion.
  • the inventive apparatus can also have a color library storing the color coordinates for the device- dependent colors, and the color coordinates of the paint color(s) can be matched to corresponding color coordinates in the color library.
  • the inventive apparatus can also include a user input device to communicate with the consumer to input or select paint colors.
  • FIG. 1 is a schematic perspective view of a full size three-dimensional apparatus in accordance to an embodiment of the present invention
  • FIG. 2 is a schematic flow chart depicting an embodiment of the present invention
  • FIG. 3 is a representative graph of combining visible electromagnetic radiation bands to produce device-dependent color(s);
  • FIG. 4 is the 1931 CIE chromaticity diagram with two polygons representing displayable colors superimposed thereon;
  • FIG. 5 is a front view of a display wall in accordance to an embodiment of the present invention
  • FIG. 6 is a cross-sectional top view of the wall of FIG. 5
  • FIG. 7 is a cross-sectional side view of the wall of FIG. 5.
  • true colors or “device-independent colors” denote colors that are visible to the eyes without the need of a device, such as computer equipment, televisions, diodes, light emitting diodes (LEDs), projectors, computer displays, screens or the like.
  • True colors of a surface include those that are visible when light reflects off that surface, or those that can be produced by pigmented compositions coated on the surface, such as paints and coatings.
  • device-dependent colors are colors produced by the devices listed above. Typically, the device-dependent colors are produced within the devices by combinations of the spectral ranges within the visible radiation spectrum of electromagnetic radiation.
  • the wavelengths of visible radiation spectrum range from below about 400 nm (violet) to above about 700 nm (red).
  • the device-dependent colors can be created by combining different amount of the three primary colors: red (625nm ⁇ 740nr ⁇ ), green (520nm-565nm) and blue (435nm-500nm) or RGB, e.g., RGB computer monitors.
  • the RGB convention represents approximate emission bands of wavelengths.
  • Device-dependent colors can also be produced by mixtures of four process colors: cyan (500nm-520nm), magenta (380nm-435nm), yellow (565nm-590nm) and black (approximately 345nm-400nm) or CMYK, e.g., offset printing of color documents.
  • CMYK e.g., offset printing of color documents.
  • the CMYK convention represents approximate absorption bands of wavelengths.
  • Device-dependent colors based on RGB convention can be converted by known color management systems to CMYK convention and vice versa.
  • a full size or life size display apparatus or structure is constructed to resemble the interior and/or exteriors of dwellings such as detached homes, condominiums or apartments, office buildings, public buildings or other structures.
  • Such full size structures may also contain furniture, such as sofas, couches, desks, tables, chairs, etc.
  • the wall surfaces of the inventive full size structures are adapted to display device-dependent colors that match the true colors of paints or other coatings, preferably commercially available paints.
  • the buyers can select and re-select any colors to be displayed on any surface.
  • the apparatus can also suggest colors matching the selected colors.
  • the apparatus can interact with the user through keyboarding, scanning devices capable of scanning colors brought by the buyers, voice recognition devices, or other forms of communication.
  • the furniture can also display a variety of colors or patterns matching the furniture in the buyers' homes or offices. After the buyers select a color or suite of colors based on the apparatus' display, the apparatus communicates the selected device-dependent colors to the factory, which can be located close to or far away from the full size display apparatus, to produce device-independent paints to be shipped or otherwise delivered to the buyers.
  • paints include paints, veneers and all other coatings.
  • the inventive system of the present invention comprises a full size structure or room 10.
  • room 10 is sized and dimensioned to be substantially the same size as a normal, actual room, e.g., individual offices, living rooms, bedrooms, dining rooms, kitchens, etc.
  • Room 10 should be sufficiently large for buyers 12 to fit therewithin and provides buyers 12 with the sensation of being within a normal room.
  • room 10 is provided with furniture 14, e.g., sofas, couches, chairs, tables, etc. to maximize the buyers' ability to perceive how the displayed paint colors would look in an actual room.
  • Room 10 comprises a plurality of walls 16 and one or more door 18. Walls 16 may also have crown molding 20, and walls 16 may be divided into upper portion 22 and lower portion 24 divided by chair rail or side molding 26. Room 10 may also have ceiling 28 and floor 30.
  • Each element 14, 16, 18, 20, 22, 24, 26, 28 or 30 may display a separate device-dependent color or all portions of room 10 can display the same device-dependent color. Additionally, walls 16, i.e., elements 18, 20, 22, 24 and 26, can display one color depending on the buyers' choice or taste.
  • FIG. 2 illustrates an exemplary method of the present invention designed to assist the buyers with color and paint selection.
  • the exemplary method comprises a plurality of steps.
  • the buyers can communicate the selected true color(s) to a controller or central processing unit (CPU) controlling room 10 in a variety of ways.
  • One way is for the buyers to select a true color from a palette, such as Benjamin Moore's Color PreviewTM.
  • the buyers may choose the "sun porch" color, which is a shade of yellow. This color has a unique identification number (P-700)(3B)2023-30.
  • the user may input the name of this color and/or the unique identification number via touch screen or alphanumeric keypad (not shown in FIG. 1) to the CPU.
  • the CPU may also have voice recognition capability to interact with the buyers.
  • the buyers may bring an unidentified color not belonging to any color system or palette.
  • Room 10 may be provided with a scanner capable analyzing the color by spectrography and either matches that color to the closest device-dependent color stored within a library in the CPU or ascertains a combination of spectral electromagnetic radiation bands to produce a device-dependent color matching the unidentified true color, as described below.
  • the CPU may look up in the internal library for the combination of visible electromagnetic radiation bands based on the RGB or CMYK or another convention utilizing more colors described below that reproduces the selected color(s) with device-dependent colors in room 10. If the input color is a known color or a color in the palette, the corresponding combination of visible radiation bands is readily available. Each band represents a device-dependent primary or process color, and the combination of the wavelengths of the bands produces the combined device-dependent color to be displayed on wall 16 or components thereof, as illustrated in FIG. 3.
  • the display color is the combination of the intensity of the radiation bands centered at about 470 nm (cyan), about 518 nm (green) and about 640 nm (red).
  • Each peak represents a device-dependent primary or process color. The selection of the peak spectra and colors is discussed below.
  • the spectrograph device can scan the input color and can match the color to a known color.
  • the buyers have the option to accept the proposed matching color, or may instruct the CPU to produce a device-dependent color based on the information relating to the scanned color.
  • the CPU compares the scanned color to the internationally recognized CIE Chromaticity Diagrams. Once a closest match is found, the CPU can calculate or ascertain the combination of wavelengths to display the color on the wall.
  • CIE Chromaticity Diagrams There are several CIE Chromaticity Diagrams: the CIE 1931 Chromaticity Diagram (based on two degree CIE Standard Observers) and the CIE 1964 Chromaticity Diagram (based on ten degree CIE Standard Observers).
  • CIE published tow new uniform spaces: CIELAB and CIELUV. All these CIE recommendations can be used with the present invention.
  • Other color order systems or color specifiers such as Pantone, Natural Color System, Munsell Color System, Hunter LAB system or the like, can also be used with the present invention.
  • Some of these systems can be converted to the CIE diagram, e.g., the Munsel systems are convertible to CIE
  • FIG. 4 the well-known shark-fin shape of the 1931 CIE diagram is shown.
  • the shark-fin shape substantially represents all the colors visible to the human eye.
  • the corners of the diagram are red, blue-magenta and green.
  • the center of the diagram is white, which indicates that white light is the combination of all the individual perceived colors, and that white light can be divided into the other colors, e.g., by a prism.
  • the inner triangle superimposed on the shark-fin has the three apices located in the red, green and blue regions of the CIE diagram.
  • This RGB triangle represents the portion of the CIE diagram that can be displayed using the RGB convention. Since most computer screens utilize the RGB convention, a significant number of colors cannot be displayed on computer screens.
  • the outer irregular polygon superimposed on the CIE diagram encompasses the RGB triangle, and each apex of this polygon represents an individual color that can be produced by a device, e.g., an LED.
  • eleven separate LEDs each displaying a different color, can be used to expand the gamut of colors that can be displayed on walls 16 or components thereof.
  • the color LEDs are used to stretch the RGB triangle.
  • room 10 in accordance with the present invention can display colors that cannot be viewed on common RGB screens or CMYK printers, because a larger number of color LEDs can be employed in room 10.
  • the present invention is not limited to any number of LEDs or any particular color combination. Preferably at least five LEDs emitting different color light are used. More preferably, nine to eleven LEDs are used. Unique or different combinations of LEDs can be used to satisfy the particular application.
  • Color LEDs are widely available from many sources. Available LEDs can emit narrow bands of wavelengths or colors, such as the wavelength bands shown in FIG. 3. LEDs are also available in broad bands, such as white LEDs. Broadband LEDs are generally produced by combining the entire available colored or narrow band LEDs to produce white or near white light. Broadband LEDs are commercially available through STMicroelectronics of Geneva, Switzerland, among other sources. An exemplary method of using narrow band and/or broadband LEDs in room 10 are discussed below in reference to FIGS. 5-7.
  • Walls 16 of room 10 or components thereof can be illuminated by a plurality of LEDs to display colors that are as close to the true colors as possible, and closer to true colors than heretofore available on computer screens or from offset printers. As can be seen from FIG.4, the more colors that can be used in combination to produce the display colors, more of the true visible to the eyes can be displayed in room 10.
  • walls 16 or components thereof can be illuminated by LEDs, transistors or photocells constructed from organic polymers, available from Cambridge Display Technology or Plastic Logic Ltd.
  • Polymer light emitting devices are disclosed in United States patent numbers 5,807,627, 5,747,182, 5,653,914, 6,777,706, 6,723,811, 6,580,212, 6,559256, 6,498,049, and United States published patent applications 2004/0214039 , 2004/0132226, 2004/0075381, 2004/0059077, 2003/0166810, 2003/0008991, and related patent references, including patent references sharing at least one inventor with the cited patent references. These references are incorporated by reference in their entireties.
  • the selected colors are displayed in room 10 in step 34.
  • the CPU may automatically display additional device-dependent colors that complement the selected colors. Colors that are considered harmonious or are pleasing in combination with the selected colors can be suggested. For example, if buyers 12 select a particular color for wall 16, complementary colors can be displayed on crown molding 20, chair rail 26, door 18, or ceiling 28. Complementary colors can be stored in databases or other libraries accessible by the CPU. Additionally, the CPU may execute a procedure for selecting groups of colors in harmony in accordance to a tintometric system. Such procedure is described in PCT publication no. WO 03/027958, which is incorporated herein by reference in its entirety.
  • step 38 the buyers decide whether to accept the displayed colors or make other color selections. If the buyers wish to see more colors, the CPU in step 40 asks for more inputs or for changes that the buyers want to make and change the display in room 10. This interactive communication continues until the buyers select satisfactory paint and paint colors.
  • the buyers may also select the colors of the furniture 14 and floor 30 to match their home furniture and floor covering as closely as possible.
  • the color displayed on furniture 14 and floor 30 can be controlled.
  • furniture 14 and floor 30 are made from textiles that are made at least partially from optical fibers.
  • Optical fibers are an excellent light carrier and device- dependent color(s) can be transmitted into the optical fibers to display the desired color.
  • the textile can be a woven material or a nonwoven made from filament fibers.
  • every n ft fiber in the woven or nonwoven is an optical fiber, and the color projecting from these fibers can change the color of the furniture or flooring.
  • the '430 patent already incorporated by reference, discloses one example of a woven material with optical fibers weaved therein.
  • step 42 the system can convert the color coordinates of the device-dependent paint on the C.I.E or CIE L.A.B. or an equivalent chromaticity diagram to a corresponding paint formulation.
  • step 46 the system dispenses the paints to the buyers.
  • the system communicates the color coordinates of the device-dependent paint to a remote factory or paint dispenser, as shown in step 44.
  • the remote dispenser then dispenses or otherwise prepares the paints having said color and delivers the paints to the buyers.
  • each commercially available paint color from a palette e.g., Benjamin Moore's paints
  • each device-dependent color is also associated or linked to a CIE colorimetric specification.
  • each device-dependent color is associated with a paint color from the thousands of commercially available paint colors.
  • One advantage of the system in accordance with the present invention is that multiple rooms 10 can be set up in different locations and the buyers do not have to be in the same location or city.
  • one family member can be in one city and another family member in a different city and the system allows the family members to view the same paint color in the same setting and the family members can communicate with each other, e.g., by phone, to complete the selection and buying process.
  • Another advantage is that if room 10 is located proximate to a factory or paint dispenser, the buyers can take possession of the paints soon after the selection is made.
  • Another advantage of the present invention is that the buyers can stand inside a real home setting and see how a paint color would look on a wall. This obviates the difficult mental process of projecting color from a small paint chip or even a larger paint chip on to a full size wall or room. This also addresses the concern studied by Dr. Xiao et al. discussed above.
  • the lighting or illumination in room 10 can be adjusted or changed to show the buyers how the paint color would look on a bright and sunny day, on a dark and cloudy day or any other ambient condition.
  • This allows the buyers to observe the colors in more natural conditions, and also lets the buyers test the colors in different moods or environments. For example, a restaurant owner may need to see how a paint color would look in her restaurant under low light; a home owner in the sun belt may need to see how a paint color would look in year-round bright conditions; and another home owner in the Pacific Northwest may need a cheery color for the rainy season.
  • the illumination can also be adjusted to mimic the outdoors.
  • Yet another advantage of the present invention is that a wider gamut of colors can be displayed in room 10 than on a computer screen.
  • most computer screens use the RGB color convention.
  • multiple color LEDs are used as shown in FIG. 4, or when white LEDs and color LEDs are used, more colors can be displayed for the buyers and hence more paint colors can be displayed.
  • Broad band LEDs that are less than white can be used in combination with other broad band LEDs that are also less than white, or with narrow band LEDs.
  • Wall portion 50 can be wall 16 or any component thereof, e.g., upper portion 22, lower portion 24, moldings 20, 26, and door 18.
  • Wall portion 50 can also be ceiling 28.
  • Wall portion 50 comprises display surface 52, on which the device-dependent colors are displayed. Front surface 52 is supported by side panels 54 and front edge panels 56. Side panels 54 and display surface 52 is further supported by back panel 58. Back panel is movable toward and away from front screen 52.
  • Wall portion 50 has two vertical lighting chambers 60 and two horizontal lighting chambers 62. Each lighting chamber 60 is defined by side panel 54, front panel 56, rear angled baffle partition 64 and first movable shutter baffle 68.
  • First shutter baffle 68 is mounted on side panel 54 and is movable relative thereto to control the size of first opening 70.
  • each lighting chamber 62 is defined by side panel 54, front panel 56, rear angled baffle partition 64 and second movable shutter baffle 74.
  • Second shutter baffle 74 is shown as being mounted to movable back panel 58 and is movable relative thereto to control the size of second opening 76.
  • Second shutter baffle 74 can also be mounted to side panel 54 and be movable relative thereto, similar to first shutter baffle 68.
  • first shutter baffle 68 can be mounted to movable back panel 58 and be movable relative thereto.
  • Device-dependent light emitted from light source 72 mounted on baffle partition 64 reflects within the interior surfaces of lighting chamber 60 to balance emissitivity with diffusion.
  • diffuse, diffusion or diffusing means that light does not directly illuminating screen 52. Reflected light exits chambers 60 and 62 through openings 70 and 76 and partially reflect off of back panel 54 before illuminating front screen 52. The object is to evenly illuminate screen 52 to show how wall portion 50 would look after it is evenly "painted" with a device-dependent color that substantially resembles a real wall painted with a true color.
  • the illumination of screen 52 can be controlled by a plurality of factors, including but not limited to (i) the illumination power of light source 72, (ii) the angle between baffle partition 64 and front panel 56, (iii) the dimensions of openings 70 and 72 as controlled by the positions of movable shutter baffles 68 and 74 (and/or movable back panel 58), and (iv) the dimensions of cavity 78 behind screen 52 controlled by the position of movable back panel 58.
  • light source 72 comprises a plurality of narrow or broadband LEDs, as discussed above.
  • Suitable LED devices include, but are not limited to, the ColorBlaze 72 available from Color Kinetics, Inc. of Boston, Massachusetts.
  • the angle between baffle partition 64 and front panel 56 ranges between 15° and 85°, more preferably between 30° and 60°, and most preferably between 40° and 50°.
  • Openings 70 and 72 and cavity 78 can be adjusted to any size to ensure that screen 52 is evenly illuminated, and are preferably adjusted regularly to ensure even illumination.
  • a plurality of fans 80 to carry away the heat generated by light 72 can be provided, as shown.
  • the surface of screen 52 can be altered to display the finishing or gloss of the paints.
  • paints come in various finishes, e.g., gloss, semi-gloss, satin, matted and flat. These finishes provide the paints with a different look and feel after the paints dry.
  • screen 52 may have similar surface textures as the paint finishes.
  • screen 52 can be manufactured by various processes or the additives can be added to the polymeric screen materials to change the surface textures thereof.
  • a roll of screen material can have the different textures to simulate the different finishes, and depending on the buyers' choice the requested texture is rolled out to cover wall section 50.
  • room 10 may have a textured light source that can simulate a texture pattern onto screen 52 to create an image of a sheen or finish.
  • This textured light source illuminates the front surface of screen 52 and the light from light source 72 would illuminate the back surface of screen 52.
  • Room 10 can be used at retailers, paint stores and other paint dispensers, trade shows, offices, restaurants, airports, train stations, and other public buildings.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Abstract

Cette invention concerne un procédé de sélection de peintures englobant les opérations suivantes: sélection de couleurs de peinture vraies (32), affichage de couleurs de peinture dépendant d'un dispositif (34) et correspondant à des couleurs de peinture vraies dans une simulation de pièce en grandeur nature et interaction avec les acheteurs (26, 38, 40) dans le but de modifier les couleurs affichées et de sélectionner les couleurs souhaitées. Ce procédé consiste également à fournir les peintures (46) correspondant aux couleurs choisies. Les couleurs affichées sont produites par des DEL à couleurs multiples et/ou blanches, ce qui permet de disposer d'une gamme plus large de couleurs affichables avec une plus grande saturation et une chromaticité plus grandes. L'invention porte également sur un dispositif grandeur nature (10) utilisant des couleurs dépendant d'un dispositif.
PCT/US2006/000359 2005-01-10 2006-01-09 Systeme et procede de representation sur des surfaces de couleurs vraies dependant d'un dispositif et d'obtention de peintures et d'enduits correspondant aux couleurs vraies WO2006076211A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06717543A EP1851751A4 (fr) 2005-01-10 2006-01-09 Systeme et procede de representation sur des surfaces de couleurs vraies dependant d'un dispositif et d'obtention de peintures et d'enduits correspondant aux couleurs vraies

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US11/032,248 2005-01-10
US11/032,247 US20060152527A1 (en) 2005-01-10 2005-01-10 System for representing true colors with device-dependent colors on surfaces and for producing paints and coatings matching the true colors
US11/032,247 2005-01-10
US11/032,248 US7474314B2 (en) 2005-01-10 2005-01-10 Method for representing true colors with device-dependent colors on surfaces and for producing paints and coatings matching the true colors

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WO2006076211A2 true WO2006076211A2 (fr) 2006-07-20
WO2006076211A3 WO2006076211A3 (fr) 2007-11-22

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EP2384904A1 (fr) 2010-05-04 2011-11-09 Benjamin Moore&Co. Appareil et procédé de distribution de marchandises de couleur

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EP1851751A2 (fr) 2007-11-07
EP1851751A4 (fr) 2010-11-24

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