# US 2014/0192357 A1 · Spectroscopic measurement device, color management system, and method of generating profile > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0192357 A1 - Document ID: US20140192357A1 - Status: Published application - Kind: A1 - Application number: 14/149,096 - Filed: 2014-01-07 - Published: 2014-07-10 - Earliest claimed: 2013-01-07 - Assignees: Seiko Epson Corporation - Applicants: Seiko Epson Corporation - Inventors: Akira SANO - Web page: https://patentgrep.com/patent/US20140192357A1 ## CPC - G01J 3/51: using colour filters - G01J 3/027: {Control of working procedures of a spectrometer; Failure detection; Bandwidth calculation} - G01J 3/0272: {Handheld} - G01J 3/26: using multiple reflection, e.g. Fabry-Perot interferometer, variable interference filters - G01J 3/506: {measuring the colour produced by screens, monitors, displays or CRTs} - G01J: MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY (light sources F21, H01J, H01K, H05B; investigating properties of materials by optical means G01N) ## Abstract A spectroscopic measurement device includes a variable wavelength interference filter, an imaging section (an imaging element and a light intensity acquisition section) adapted to image the light dispersed by the variable wavelength interference filter to obtain a spectral image, and a data output section (a storage section and a communication section) adapted to output profile-generating data used to generate a profile of an image display device, and the data output section outputs measurement data which includes a light intensity in each pixel of each of the spectral images and a coordinate value of the pixel associated with each other, as profile-generating data in a case in which the imaging section obtains the spectral images with respect to a color pattern including a plurality of differently colored color patches output from the image display device. ## Claims ### Claim 1 A spectroscopic measurement device comprising: a spectral filter adapted to disperse incident light so that light with a predetermined wavelength can be selectively extracted; an imaging section adapted to image the light dispersed by the spectral filter to obtain a spectral image; and a data output section adapted to output profile-generating data for generating a profile of an image output device, wherein, in a case in which the imaging section obtains a plurality of spectral images with respect to a color pattern including a plurality of differently colored color patches output from the image output device, the data output section outputs measurement data which includes a light intensity in each pixel of each of the spectral images and a coordinate value of the pixel associated with each other, as the profile-generating data. ### Claim 2 (depends on 1) The spectroscopic measurement device according to claim 1, wherein the spectral filter is a variable wavelength interference filter including: a first reflecting film adapted to reflect a part of the incident light and transmit another part of the incident light, and a second reflecting film disposed so as to face the first reflecting film, and adapted to reflect a part of the incident light and transmit another part of the incident light, and adapted to make the incident light between the first reflecting film and the second reflecting film interfere so as to extract the light with the predetermined wavelength. ### Claim 3 (depends on 2) The spectroscopic measurement device according to claim 2, wherein the variable wavelength interference filter includes: a first substrate provided with the first reflecting film, a second substrate facing the first substrate, and provided with the second reflecting film, and a gap changing section adapted to change a gap dimension between the first reflecting film and the second reflecting film. ### Claim 4 (depends on 1) The spectroscopic measurement device according to claim 1, wherein the spectral filter includes: a first substrate, a second substrate facing the first substrate, a first reflecting film provided to the first substrate, and adapted to reflect a part of the incident light and transmit another part of the incident light, a second reflecting film provided to the second substrate, the second reflecting film facing the first reflecting film and being adapted to reflect a part of the incident light and transmit another part of the incident light, and a gap changing section adapted to move the second substrate relative to the first substrate to change a gap dimension between the first reflecting film and the second reflecting film. ### Claim 5 (depends on 1) The spectroscopic measurement device according to claim 1, further comprising: an incident light acquisition section adapted to take in the incident light; and a pressure-contact section surrounding the incident light acquisition section, and adapted to block outside light when pressed against a display surface on which the color pattern is displayed. ### Claim 6 (depends on 5) The spectroscopic measurement device according to claim 5, further comprising: a light source disposed inside the pressure-contact section, and adapted to emit light to the display surface. ### Claim 7 (depends on 1) The spectroscopic measurement device according to claim 1, further comprising: a telecentric optical system adapted to guide the incident light to the spectral filter. ### Claim 8 (depends on 1) The spectroscopic measurement device according to claim 1, wherein the imaging section images each of the color patches with a plurality of pixels. ### Claim 9 (depends on 1) The spectroscopic measurement device according to claim 1, further comprising: an informing section adapted to indicate at least either one of an operation state and a measurement result. ### Claim 10 A color management system comprising: a spectroscopic measurement device including: a spectral filter adapted to disperse incident light so that light with a predetermined wavelength can be extracted, an imaging section adapted to image the light dispersed by the spectral filter to obtain a spectral image, and a data output section adapted to output measurement data which includes a light intensity in each pixel of each of a plurality of spectral images and a coordinate value of the pixel associated with each other, as profile-generating data in a case in which the imaging section obtains the spectral images with respect to a color pattern including a plurality of differently colored color patches output from an image output device; and a profile generation device having a profile generation section adapted to generate a profile of the image output device based on the profile-generating data output from the spectroscopic measurement device. ### Claim 11 (depends on 10) The color management system according to claim 10, wherein the profile generation device includes a pattern output unit adapted to make the image output device output the color pattern, and the pattern output unit makes the image output device output the color pattern having the color patches each having a predetermined size arranged in a matrix. ### Claim 12 (depends on 11) The color management system according to claim 11, wherein the pattern output unit makes the image output device output the color pattern in which a reference color is displayed between the plurality of color patches, and the spectroscopic measurement device identifies a pixel position of the reference color of the spectral image and a pixel position of the color patch, and outputs the profile-generating data using the measurement data at the pixel position of the reference color identified as a reference. ### Claim 13 (depends on 11) The color management system according to claim 11, wherein the pattern output unit makes the image output device output the color pattern having a black line disposed between the color patches. ### Claim 14 (depends on 10) The color management system according to claim 10, wherein the pattern output unit makes the image output device display a reference color image having the reference color disposed in an entire display area of the color pattern before outputting the color pattern, and the spectroscopic measurement device outputs the profile-generating data using the measurement data of the reference color image as a reference. ### Claim 15 (depends on 14) The color management system according to claim 14, wherein the spectroscopic measurement device includes a reference color image detection unit adapted to detect the reference color image, and starts measurement after the reference color image is detected. ### Claim 16 (depends on 10) The color management system according to claim 10, wherein the pattern output unit makes the image output device display an identification image adapted to instruct a start of measurement in the spectroscopic measurement device before outputting the color pattern, and the spectroscopic measurement device includes an identification image detection unit adapted to detect the identification image, and starts measurement taking after the identification image is detected. ### Claim 17 (depends on 10) The color management system according to claim 10, wherein the pattern output unit makes the image output device output an indication image adapted to indicate an arrangement position of the spectroscopic measurement device. ### Claim 18 (depends on 10) The color management system according to claim 10, wherein the pattern output unit makes the image output device sequentially output a plurality of color patterns indifferent arrangement positions of the color patches. ### Claim 19 (depends on 10) The color management system according to claim 10, wherein the pattern output unit makes the image output device sequentially output a plurality of color patterns having different colors of the color patches. ### Claim 20 A method of generating a profile in a color management system, the method comprising: providing the color management system with a spectroscopic measurement device and a profile generation device, the spectroscopic measurement device including: a spectral filter adapted to disperse incident light so that light with a predetermined wavelength can be extracted, and an imaging section adapted to image the light dispersed by the spectral filter to obtain a spectral image, and the profile generation device generating a profile of an image output device; imaging, by the imaging section, a color pattern including a plurality of differently colored color patches output from the image output device while changing a wavelength of the light to be selected by the spectral filter to obtain a plurality of spectral images with respective wavelengths; outputting measurement data which includes a light intensity in each pixel of each of the spectral images and a coordinate value of the pixel associated with each other, as profile-generating data; and generating the profile of the image output device based on the profile-generating data.