# US 12,217,645 B2 · Calibration system for display apparatus and operating method thereof > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,217,645 B2 - Document ID: US12217645B2 - Status: Granted - Kind: B2 - Application number: 18/136,630 - Filed: 2023-04-19 - Published: 2024-02-29 - Granted: 2025-02-04 - Earliest claimed: 2022-08-26 - Assignees: Samsung Electronics Co., Ltd.; Chung Ang University Industry Academic Cooperation Foundation - Applicants: Samsung Electronics Co., Ltd.; CHUNG ANG University Industry Academic Cooperation Foundation - Inventors: Unjeong Kim; Hojung Kim; Hyungbin Son; Suyeon Lee - Web page: https://patentgrep.com/patent/US12217645B2 ## CPC - G09G 3/2003: {Display of colours (specific for liquid crystal displays G09G3/3607)} - G09G 5/00: Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators (image data processing or generation, in general G06T) - G06T 7/90: Determination of colour characteristics - G06T 2207/10024: Color image - G09G 2320/0666: for control of colour parameters, e.g. colour temperature - G09G 2320/0693: Calibration of display systems - G09G 2360/141: the light conveying information used for selecting or modulating the light emitting or modulating element - G09G 2360/144: the light being ambient light - G09G 2360/145: the light originating from the display screen - G09G: ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION (arrangements for transferring data between digital computers and displays G06F3/14; static indicating arrangements comprising an association of a number of separate sources or light control cells G09F9/00; static indicating arrangements comprising integral associations of a number of light sources H01J, H01K, H10H, H05B33/12; scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission, details thereof H04N1/00) - G06T: IMAGE DATA PROCESSING OR GENERATION, IN GENERAL ## Abstract An operating method of a calibration system for a display device obtains image information about an image displayed on display device and wavelength information about pixels of the image information using a hyperspectral camera included in an electronic device, transmits the obtained image information and wavelength information to a first application in the electronic device, generates calibration data about the obtained image information and wavelength information through the first application and transmits the calibration data to a second application in the display device, and performs color calibration of the display device based on the calibration data transmitted to the second application to display a color calibrated image. ## Claims ### Claim 1 An operating method of a calibration system for a display device, the operating method comprising: obtaining image information of an image displayed on a screen of the display device; obtaining wavelength information about pixels of the image information using a hyperspectral camera included in an electronic device; transmitting the obtained image information and wavelength information to a first application in the electronic device; generating calibration data about the obtained image information and wavelength information through the first application and transmitting the calibration data to a second application in the display device; and performing color calibration of the display device based on the calibration data transmitted to the second application to provide a color calibrated output image on the display device. ### Claim 2 (depends on 1) The operating method of claim 1, wherein the first application of the electronic device generates calibration data by measuring at least one of color gamut and color fidelity based on the obtained image information and wavelength information. ### Claim 3 (depends on 2) The operating method of claim 2, wherein the first application of the electronic device generates calibration data by further measuring at least one of white balance, corrected color temperature, brightness, and gamma. ### Claim 4 (depends on 1) The operating method of claim 1, further comprising obtaining ambient light data of the display device through the hyperspectral camera, wherein the display device outputs color calibrated output image further adjusted for the ambient light. ### Claim 5 (depends on 4) The operating method of claim 4, further comprising: transmitting the obtained ambient light data to the first application in the electronic device; generating first calibration data about the ambient light data and second calibration data about the obtained image information and wavelength information through the first application; and transmitting the first calibration data and the second calibration data to the second application. ### Claim 6 (depends on 1) The operating method of claim 1, wherein the obtaining of the image information comprises setting autofocus on a certain area of the display device through the hyperspectral camera. ### Claim 7 (depends on 1) The operating method of claim 1, further comprising: obtaining a plurality of pieces of image information and wavelength information about a plurality of display devices through the hyperspectral camera; and generating a plurality of pieces of calibration data respectively corresponding to the plurality of display devices by analyzing the plurality of pieces of image information and wavelength information through the first application. ### Claim 8 (depends on 1) The operating method of claim 1, wherein the first application of the electronic device and the second application of the display device each establish a wireless communication connection through a server. ### Claim 9 (depends on 1) The operating method of claim 1, wherein generating the calibration data comprises generating a hyperspectral cube having a plurality of channel information at each spatial coordinate of respective pixels of the image information, and the plurality of channel information corresponds to the wavelength information of the pixels of the image information at respective spatial coordinates of the image information. ### Claim 10 (depends on 1) The operating method of claim 1, wherein the hyperspectral camera obtains the wavelength information and a general camera obtains the image information. ### Claim 11 (depends on 1) A non-transitory computer-readable recording medium having recorded thereon a program for executing the operating method of claim 1 in a computer. ### Claim 12 A calibration system for a display device, the calibration system comprising: an electronic device comprising a hyperspectral camera; and a display device, wherein the electronic device includes a processor, and the processor is configured to obtain image information about an image displayed on the display device; obtain wavelength information about pixels of the image information through the hyperspectral camera, transmit the obtained image information and wavelength information to a first application, and generate calibration data about the obtained image information and wavelength information through the first application and transmits the calibration data to a second application in the display device, and the display device is configured to perform color calibration of the display device based on the calibration data transmitted to the second application to provide a color calibrated output image on the display device. ### Claim 13 (depends on 12) The calibration system of claim 12, wherein the first application of the electronic device is configured to generate calibration data by measuring at least one of color gamut and color fidelity based on the obtained image information and wavelength information. ### Claim 14 (depends on 13) The calibration system of claim 13, wherein the first application of the electronic device is further configured to generate calibration data by further measuring at least one of white balance, corrected color temperature, brightness, and gamma. ### Claim 15 (depends on 12) The calibration system of claim 12, wherein the electronic device is further configured to obtain ambient light data of the display device through the hyperspectral camera, and the display device outputs color calibrated output image further adjusted based on the ambient light. ### Claim 16 (depends on 15) The calibration system of claim 15, wherein the electronic device is further configured to transmit the obtained ambient light data to the first application, generate first calibration data about the ambient light data and second calibration data about the obtained image information and wavelength information through the first application, and transmit the first calibration data and the second calibration data to the second application. ### Claim 17 (depends on 12) The calibration system of claim 12, wherein the electronic device is further configured to set autofocus on a certain area of the display device through the hyperspectral camera. ### Claim 18 (depends on 12) The calibration system of claim 12, wherein the electronic device is further configured to obtain a plurality of pieces of image information and wavelength information about a plurality of display devices through the hyperspectral camera, and generate a plurality of pieces of calibration data respectively corresponding to the plurality of display devices by analyzing the plurality of pieces of image information and wavelength information through the first application. ### Claim 19 (depends on 12) The calibration system of claim 12, wherein the first application of the electronic device and the second application of the display device are each configured to establish a wireless communication connection through a server. ### Claim 20 (depends on 12) The calibration system of claim 12, wherein the processor generates the calibration data by generating a hyperspectral cube having a plurality of channel information at each spatial coordinate of respective pixels of the image information, and the plurality of channel information corresponds to the wavelength information of the pixels of the image information at respective spatial coordinates of the image information.