Power consumption detection apparatus, power consumption control apparatus, image processing apparatus, self-luminous display apparatus, electronic device, power consumption detection method, power consumption control method, and computer program
View Patent ↗Disclosed herein is a power consumption detection apparatus including: a line current calculation section configured to calculate, based on an image signal, a value of a line current consumed by each of horizontal lines; and a power consumption calculation section configured to calculate, on a horizontal line cycle, power consumed by an entire display panel based on the most recent values of the line currents, the values corresponding in number to a vertical resolution.
1. An image processing apparatus including a display panel, comprising:
a power consumption calculation section configured to calculate, on a horizontal line cycle, power consumed by the display panel; and
a power consumption control section configured to control, on the horizontal line cycle, a peak brightness of the display panel.
2. The image processing apparatus according to claim 1 , wherein the power consumption control section regulates a duty pulse width for controlling an illumination period within a horizontal scan period.
3. The image processing apparatus according to claim 1 , wherein the power consumption control section regulates a value of a power supply voltage applied to the display panel.
4. An electronic device, comprising:
a display panel having self-luminous elements and pixel circuits therefor arranged in a matrix, each of the pixel circuits being configured to retain an image signal that is written thereto in accordance with a line-sequential scanning;
a power consumption calculation section configured to calculate, on a horizontal line cycle, power consumed by the display panel; and
a power consumption control section configured to control, on the horizontal line cycle, a peak brightness of the display panel.
5. The electronic device according to claim 4 , wherein the power consumption control section regulates a duty pulse width for controlling an illumination period within a horizontal scan period.
6. The electronic device according to claim 4 , wherein the power consumption control section regulates a value of a power supply voltage applied to the display panel.
7. An image processing apparatus including a display panel, comprising:
a calculation section configured to calculate, on a horizontal line cycle, power consumed by the display panel; and
a control section configured to control, on the horizontal line cycle, a peak brightness of the display panel.
8. The image processing apparatus according to claim 7 , wherein the control section is configured to regulate a duty pulse width for controlling an illumination period within a horizontal scan period.
9. The image processing apparatus according to claim 7 , wherein the control section is configured to regulate a value of a power supply voltage applied to the display panel.
10. A portable information processing apparatus including a display panel, an operation section providing a graphic user interface, a power supply, a calculation section and a control section, wherein
said calculation section is configured to calculate, on a horizontal line cycle, power consumed by the display panel; and
said control section is configured to control, on the horizontal line cycle, a peak brightness of the display panel.
11. The portable information processing apparatus according to claim 10 , further comprising a system control section.
12. The portable information processing apparatus according to claim 10 , further comprising a storage medium.
13. The portable information processing apparatus according to claim 12 , wherein said storage medium is configured to store a data file corresponding to an image displayed on the display panel.