Display device and display system
First Claim
Patent Images
1. A display device, comprising:
- a display surface provided on a front surface of said display device, on which images are displayed;
a first measuring unit provided on a rear surface of said display device and measuring illuminance on said rear surface;
a first control unit performing brightness control on said images displayed on said display surface in accordance with a measurement result of said first measuring unit,a second measuring unit provided on said front surface of said display device and measuring illuminance on said front surface; and
a calculating unit calculating reflection brightness on said front surface from said measurement result of said second measuring unit,wherein said first control unit performs said brightness control, black level control, gamma control and saturation control on said images displayed on said display surface in accordance with at least one of said measurement result of said first measuring unit and a result of said calculating unit,wherein said first control unit performs said brightness control on said images displayed on said display surface in accordance with at least one of said measurement result of said first measuring unit and a measurement result of said second measuring unit.
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Abstract
A display device according to the present invention includes a display which is provided on a front surface of the display device and is a display surface on which images are displayed, an illuminance sensor which is provided on a rear surface of the display device and is a first measuring unit measuring illuminance on the rear surface, and a control unit which is a first control unit controlling brightness of the images displayed on the display.
35 Citations
16 Claims
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1. A display device, comprising:
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a display surface provided on a front surface of said display device, on which images are displayed; a first measuring unit provided on a rear surface of said display device and measuring illuminance on said rear surface; a first control unit performing brightness control on said images displayed on said display surface in accordance with a measurement result of said first measuring unit, a second measuring unit provided on said front surface of said display device and measuring illuminance on said front surface; and a calculating unit calculating reflection brightness on said front surface from said measurement result of said second measuring unit, wherein said first control unit performs said brightness control, black level control, gamma control and saturation control on said images displayed on said display surface in accordance with at least one of said measurement result of said first measuring unit and a result of said calculating unit, wherein said first control unit performs said brightness control on said images displayed on said display surface in accordance with at least one of said measurement result of said first measuring unit and a measurement result of said second measuring unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A display system, comprising a plurality of display devices each including:
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a display surface provided on a front surface of said display device, on which images are displayed; a first measuring unit provided on a rear surface of said display device and 20 measuring illuminance on said rear surface; a first control unit performing brightness control on said images displayed on said display surface in accordance with a measurement result of said first measuring unit; and a second measuring unit provided on a front surface of said display device and measuring illuminance on said front surface, wherein one display device among said plurality of display devices includes a distributing unit distributing, to said plurality of display devices other than said one display device, at least one of said measurement result on illuminance of said first measuring unit, and the measurement result on illuminance of said first measuring unit and a measurement result on illuminance of said second measuring unit of said one display device, wherein said plurality of display devices other than said one display device each include a second control unit performing said brightness control on said images displayed on said display surface of said plurality of display devices other than said one display device in accordance with said distributed measurement result on illuminance.
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15. A display system, comprising a plurality of display devices each including:
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a display surface provided on a front surface of said display device, on which images are displayed; a first measuring unit provided on a rear surface of said display device and measuring illuminance on said rear surface; a first control unit performing brightness control on said images displayed on said display surface in accordance with a measurement result of said first measuring unit; and a second measuring unit provided on a front surface of said display device and measuring illuminance on said front surface, wherein one display device among said plurality of display devices includes; an obtaining unit obtaining at least one of said measurement result on illuminance of said first measuring unit, and said measurement result on illuminance of said first measuring unit and a measurement result on illuminance of said second measuring unit of each of said plurality of display devices other than said one display device; and a third control unit performing said brightness control on said images displayed on said display surface of said plurality of display devices in accordance with said measurement result obtained by said obtaining unit and said measurement results of said first and second measuring units of said one display device. - View Dependent Claims (16)
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Specification