Display apparatus and control method thereof

A display apparatus comprising:

• a measuring unit that measures an image displayed on a screen;
• a first determining unit that determines a first display setting by executing a single unit calibration in which a pre-stored first calibration image is displayed and a display setting is adjusted such that a measurement value of the first calibration image measured by the measuring unit approaches a target value;
• a second determining unit that determines a second display setting by executing a link calibration in which a second calibration image based on a calibration image signal input from an external apparatus is displayed and the display setting is adjusted such that a measurement value of the second calibration image measured by the measuring unit approaches the target value;
• and
• a third determining unit that executes, in a case where an external input image, which is an image based on an image signal input from the external apparatus, is displayed, a determination whether or not an output setting of the external apparatus or a second display setting differs from a setting during display of a previous external input image which is an image based on a previous external input image signal,
• wherein in a case where the external input image is displayed, the second calibration image is displayed at the second display setting,
• the third determining unit determines that the output setting of the external apparatus or the second display setting differs from the setting during display of the previous external input image in a case where a difference between the measurement value of the second calibration image and the measurement value of the first calibration image displayed at the first display setting is greater than a predetermined threshold, and
• the second determining unit executes the link calibration in a case where the third determining unit determines that the output setting of the external apparatus or the second display setting differs from the setting during display of the previous external input image.

A display apparatus comprising:

• a measuring unit that measures an image displayed on a screen;
• a first determining unit that determines a first display setting by executing a single unit calibration in which a pre-stored first calibration image is displayed and a display setting is adjusted such that a measurement value of the first calibration image measured by the measuring unit approaches a target value;
• a second determining unit that determines a second display setting by executing a link calibration in which a second calibration image based on a calibration image signal input from an external apparatus is displayed and the display setting is adjusted such that a measurement value of the second calibration image measured by the measuring unit approaches the target value;
• a third determining unit that executes, in a case where an external input image, which is an image based on an image signal input from the external apparatus, is displayed, determination whether or not an output setting of the external apparatus or a second display setting differs from a setting during display of a previous external input image which is an image based on a previous external input image signal;
• and
• a storage unit that stores past execution times and dates of the single unit calibration and past execution times and dates of the link calibration,
• wherein the third determining unit determines that the second display setting differs from the setting during display of the previous external input image in a case where a most recent execution time and date of the link calibration is earlier than a most recent execution time and date of the single unit calibration, and
• the second determining unit executes the link calibration in a case where the third determining unit determines that the output setting of the second display setting differs from the setting during display of the previous external input image.

A display apparatus control method comprising:

• a measuring step of measuring an image displayed on a screen;
• a first determining step of determining a first display setting by executing a single unit calibration in which a pre-stored first calibration image is displayed and a display setting is adjusted such that a measurement value of the first calibration image measured in the measuring step approaches a target value;
• a second determining step of determining a second display setting by executing a link calibration in which a second calibration image based on a calibration image signal input from an external apparatus is displayed and the display setting is adjusted such that a measurement value of the second calibration image measured in the measuring step approaches the target value;
• and
• a third determining step of executing, in a case where an external input image, which is an image based on an image signal input from the external apparatus, is displayed, a determination whether or not an output setting of the external apparatus or a second display setting differs from a setting during display of a previous external input image which is an image based on a previous external input image signal,
• wherein in a case where the external input image is displayed, the second calibration image is displayed at the second display setting,
• the output setting of the external apparatus or the second display setting is determined in the third determining step to differ from the setting during display of the previous external input image in a case where a difference between the measurement value of the second calibration image measured in the measuring step and the target value is greater than a predetermined threshold, and
• the link calibration is executed in the second determining step in a case where the output setting of the external apparatus or the second display setting is determined in the third determining step to differ from the setting during display of the previous external input image.

A display apparatus control method comprising:

• a measuring step of measuring an image displayed on a screen;
• a first determining step of determining a first display setting by executing a single unit calibration in which a pre-stored first calibration image is displayed and a display setting is adjusted such that a measurement value of the first calibration image measured in the measuring step approaches a target value;
• a second determining step of determining a second display setting by executing a link calibration in which a second calibration image based on a calibration image signal input from an external apparatus is displayed and the display setting is adjusted such that a measurement value of the second calibration image measured in the measuring step approaches the target value;
• and
• a third determining step of executing, in a case where an external input image, which is an image based on an image signal input from the external apparatus, is displayed, a determination whether or not an output setting of the external apparatus or a second display setting differs from a setting during display of a previous external input image which is an image based on a previous external input image signal,
• wherein in a case where the external input image is displayed, the second calibration image is displayed at the second display setting,
• the output setting of the external apparatus or the second display setting is determined in the third determining step to differ from the setting during display of the previous external input image in a case where a difference between the measurement value of the second calibration image and the measurement value of the first calibration image displayed at the first display setting is greater than a predetermined threshold, and
• the link calibration is executed in the second determining step in a case where the output setting of the external apparatus or the second display setting is determined in the third determining step to differ from the setting during display of the previous external input image.

A display apparatus control method comprising:

• a measuring step of measuring an image displayed on a screen;
• a first determining step of determining a first display setting by executing a single unit calibration in which a pre-stored first calibration image is displayed and a display setting is adjusted such that a measurement value of the first calibration image measured in the measuring step approaches a target value;
• a second determining step of determining a second display setting by executing a link calibration in which a second calibration image based on a calibration image signal input from an external apparatus is displayed and the display setting is adjusted such that a measurement value of the second calibration image measured in the measuring step approaches the target value;
• a third determining step of executing, in a case where an external input image, which is an image based on an image signal input from the external apparatus, is displayed, determination whether or not an output setting of the external apparatus or a second display setting differs from a setting during display of a previous external input image which is an image based on a previous external input image signal;
• and
• a storage step of storing past execution times and dates of the single unit calibration and past execution times and dates of the link calibration,
• wherein the second display setting is determined in the third determining step to differ from the setting during display of the previous external input image in a case where a most recent execution time and date of the link calibration is earlier than a most recent execution time and date of the single unit calibration, and
• the link calibration is executed in the second determining step in a case where the output setting of the second display setting is determined in the third determining step to differ from the setting during display of the previous external input image.