IP Library Granted Patent US 8,902,132
Granted Patent B2
US 8,902,132 · App. 11/607,008 · Granted Dec 2, 2014

Self light emission display device, power consumption detecting device, and program

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Quick Facts
Patent No.
US 8,902,132
App. No.
11/607,008
Granted
Dec 2, 2014
Kind
B2
Abstract

Disclosed herein is a self light emission display device includes a buffer memory configured to delay the supply of pixel data to a self light emission panel, a lookup table configured to store all gradation values corresponding to a variable range of the pixel data and electric power values to be consumed for light emission respectively at the gradation values, in association with each other, and a power consumption calculator configured to add respective power consumption values of all pixels of a frame which are determined by referring to said lookup table to calculate a power consumption value of the frame.

Claims (54)

1. A self light emission display device comprising:

a buffer memory configured to delay the supply of pixel data to a self light emission panel;

a lookup table configured to store all gradation values corresponding to a variable range of the pixel data and electric power values to be consumed for light emission respectively at the gradation values, in association with each other;

a power consumption calculator configured to add respective power consumption values of all pixels of a frame which are determined by referring to said lookup table to calculate a power consumption value of the frame; and

a power consumption transition recognizer configured to generate information representative of a transition of the power consumption value of the frame,

wherein said information representative of the transition of the power consumption value of the frame includes the power consumption value, a rate of change of the power consumption value, an average power consumption value, and a total power consumption value.

2. The self light emission display device according to claim 1 , further comprising:

a peak luminance controller configured to vary a peak luminance of the frame based on the calculated power consumption value.

3. The self light emission display device according to claim 1 , further comprising:

a data value variable controller configured to control pixel data values to vary a peak luminance of the frame based on the calculated power consumption value.

4. The self light emission display device according to claim 1 , further comprising:

a drive power supply controller configured to control a drive power supply to predict an abrupt change in a power supply load based on the calculated power consumption value and to suppress an abrupt load fluctuation.

5. The self light emission display device according to claim 1 , further comprising:

a remaining battery energy recognizer configured to calculate a remaining amount of battery energy based on the calculated power consumption value.

6. A self light emission display device comprising:

a buffer memory configured to delay the supply of pixel data to a self light emission panel;

a lookup table configured to store all gradation values corresponding to a variable range of the pixel data and electric power values to be consumed for light emission respectively at the gradation values, in association with each other;

a power consumption calculator configured to add respective power consumption values of all pixels of a frame which are determined by referring to said lookup table in each of preset blocks to calculate respective power consumption values of the blocks; and

a power consumption transition recognizer configured to generate information representative of a transition of the power consumption value of the frame,

wherein said information representative of the transition of the power consumption value of the frame includes the power consumption value, a rate of change of the power consumption value, an average power consumption value, and a total power consumption value.

7. The self light emission display device according to claim 6 , further comprising:

a temperature distribution recognizer configured to recognize a temperature distribution in a display surface of the self light emission panel, based on the calculated power consumption values of the blocks.

8. A power consumption detecting device comprising:

a lookup table configured to store all gradation values corresponding to a variable range of pixel data and electric power values to be consumed by a self light emission device for light emission respectively at the gradation values, in association with each other;

a power consumption calculator configured to add respective power consumption values, corresponding to the pixel data, of a frame which are determined by referring to said lookup table to calculate a power consumption value of the frame; and

a power consumption transition recognizer configured to generate information representative of a transition of the power consumption value of the frame,

wherein said information representative of the transition of the power consumption value of the frame includes the power consumption value, a rate of change of the power consumption value, an average power consumption value, and a total power consumption value.

9. A power consumption detecting device comprising:

a lookup table configured to store all gradation values corresponding to a variable range of pixel data and electric power values to be consumed by a self light emission device for light emission respectively at the gradation values, in association with each other;

a power consumption calculator configured to add respective power consumption values, corresponding to the pixel data, of a block which are determined by referring to said lookup table in each of preset blocks to calculate respective power consumption values of the blocks; and

a power consumption transition recognizer configured to generate information representative of a transition of the power consumption value of the block,

wherein said information representative of the transition of the power consumption value of the frame includes the power consumption value, a rate of change of the power consumption value, an average power consumption value, and a total power consumption value.

10. A non-transitory computer readable medium having program code stored thereon, the program code being executable by a computer to perform operations comprising:

referring to a lookup table for storing all gradation values corresponding to a variable range of pixel data and electric power values to be consumed by a self light emission device for light emission respectively at the gradation values, in association with each other, to determine respective electric power values, corresponding to the pixel data, consumed by said self light emission device;

adding the electric power values in each frame to calculate a power consumption value of the frame; and

generating information representative of a transition of the power consumption value of the frame,

wherein said information representative of the transition of the power consumption value of the frame includes the power consumption value, a rate of change of the power consumption value, an average power consumption value, and a total power consumption value.

11. A non-transitory computer readable medium having program code stored thereon, the program code being executable by a computer to perform operations comprising:

referring to a lookup table for storing all gradation values corresponding to a variable range of pixel data and electric power values to be consumed by a self light emission device for light emission respectively at the gradation values, in association with each other, to determine respective electric power values, corresponding to the pixel data, consumed by said self light emission device;

adding the electric power values in each block to calculate a power consumption value of the block; and

generating information representative of a transition of the power consumption value of the frame,

wherein said information representative of the transition of the power consumption value of the frame includes the power consumption value, a rate of change of the power consumption value, an average power consumption value, and a total power consumption value.

12. The power consumption detecting device according to claim 8 , further comprising:

a peak luminance controller configured to vary a peak luminance of the frame based on the calculated power consumption value.

13. The power consumption detecting device according to claim 8 , further comprising:

a data value variable controller configured to control pixel data values to vary a peak luminance of the frame based on the calculated power consumption value.

14. The power consumption detecting device according to claim 8 , further comprising:

a drive power supply controller configured to control a drive power supply to predict an abrupt change in a power supply load based on the calculated power consumption value and to suppress an abrupt load fluctuation.

15. The power consumption detecting device according to claim 8 , further comprising:

a remaining battery energy recognizer configured to calculate a remaining amount of battery energy based on the calculated power consumption value.

16. The power consumption detecting device according to claim 9 , further comprising:

a peak luminance controller configured to vary a peak luminance of the block based on the calculated power consumption value.

17. The power consumption detecting device according to claim 9 , further comprising:

a data value variable controller configured to control pixel data values to vary a peak luminance of the block based on the calculated power consumption value.

Assignments (6)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 18, 2025
From: JDI DESIGN AND DEVELOPMENT G.K.
To: MAGNOLIA BLUE CORPORATION
Reel/Frame 072039/0656 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 31, 2024
From: JOLED, INC.
To: JDI DESIGN AND DEVELOPMENT G.K.
Reel/Frame 066382/0619 →
CORRECTION BY AFFIDAVIT FILED AGAINST REEL/FRAME 063396/0671 Recorded Jun 12, 2023
From: JOLED, INC.
To: JOLED, INC.
Reel/Frame 064067/0723 →
SECURITY INTEREST Recorded Apr 20, 2023
From: JOLED, INC.
To: INCJ, LTD.
Reel/Frame 063396/0671 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 15, 2015
From: SONY CORPORATION
To: JOLED INC.
Reel/Frame 036106/0355 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 1, 2006
From: OZAWA, ATSUSHI; TADA, MITSURU
To: SONY CORPORATION
Reel/Frame 018660/0438 →