Display control device, display device, and display control method

Patent metadata

Field	Value
Publication number	US-12205548-B2
Application number	US-202218546379-A
Country	US
Kind code	B2
Filing date	Jan 31, 2022
Priority date	Feb 26, 2021
Publication date	Jan 21, 2025
Grant date	Jan 21, 2025

Abstract

Provided are a display control device, a display device, and a display control method that enable light-emitting elements to emit light in units of a plurality of rows. A display control device controls a display device including at least a display array unit including a plurality of gate lines and a plurality of data lines that are disposed in a screen, and a plurality of light-emitting elements that is disposed at each of intersections of the gate lines and the data lines, and is selectively driven via the gate lines and the data lines, and a first drive circuit including a conversion unit capable of generating information for selecting, from among the plurality of gate lines, a plurality of gate lines on the basis of a selection signal that selects a row, the first drive circuit selecting, from among the plurality of gate lines, one or a plurality of gate lines on the basis of the information, the display control device including a signal generation unit that generates the selection signal that selects, from among the plurality of gate lines, a plurality of gate lines, and an output unit that outputs the selection signal.

First claim

The invention claimed is:

1. A display system, comprises:
a display control device; and
a display device including:
a display array circuit including:
a plurality of gate lines and a plurality of data lines, and
a plurality of light-emitting elements at each of a plurality of intersections of the plurality of gate lines and the plurality of data lines, wherein the plurality of gate lines and the plurality of data lines are configured to drive the plurality of light-emitting elements; and

a first drive circuit configured to:
receive a plurality of selection signals from the display control device, wherein each of the plurality of selection signals comprises a mask signal and an address signal; and
a select at least one gate line from the plurality of gate lines based on the address signal, the mask signal, and at least one selection signal of the plurality of selection signals, wherein
the display control device is configured to:
 generate the plurality of selection signals based on control information, wherein the control information is associated with a vertical resolution of the plurality of gate lines; and
 output the plurality of selection signals.

2. The display system according to claim 1 , wherein the display control device is further configured to output each of the plurality of selection signals in a time series.

3. The display system according to claim 2 , wherein the display control device is further configured to output the plurality of selection signals in a specific order based on a specific gate line of the plurality of gate lines.

4. The display system according to claim 3 , wherein the specific gate line corresponds to a region of interest in an image.

5. The display system according to claim 4 , wherein the display control device is further configured to alternately output the plurality of selection signals corresponding to the plurality of gate lines above and below the specific gate line.

6. The display system according to claim 1 , wherein
the display control device is further configured to:
select a first gate line from the plurality of gate lines based on a first set of selection signals of the plurality of selection signals; and
select a first set of gate lines from the plurality of gate lines based on a second set of selection signals of the plurality of selection signals,

the first gate line is associated with a first area in an image,
the first set of gate lines is associated with a second area in the image, and
the second area is different from the first area.

7. The display system according to claim 6 , wherein
the display control device is further configured to output the second set of selection signals in an alternate order, and
the alternate order corresponds to a first position at an upper section of the second area and a second position at a lower section of the second area.

8. The display system according to claim 7 , wherein the display control device is further configured to:
output the first set of selection signals; and
output the second set of selection signals after the first set of selection signals are outputted.

9. The display system according to claim 7 , wherein the display control device is further configured to:
store image data;
recognize a specific recognition region from the image data; and
generate the first set of selection signals based on the specific recognition region.

10. The display system according to claim 9 , wherein
the display device further includes a second drive circuit,
the second drive circuit is configured to:
sequentially select the plurality of data lines; and
transmit a video signal, and

the display control device is further configured to output the video signal based on the image data.

11. The display system according to claim 10 , wherein the display control device is further configured to:
select a second set of gate lines from the plurality of gate lines, and
output a plurality of high-luminance signals from the plurality of data lines in the second drive circuit.

12. The display system according to claim 1 , wherein
the address signal corresponds to the selected at least one gate line,
the first drive circuit is further configured to convert the at least one gate line into specific information based on the address signal, and
the specific information is associated with the selection of the at least one gate line of the plurality of gate lines.

13. The display system according to claim 12 , wherein
the address signal includes a high-order address signal and a low-order address signal, and
the first drive circuit is further configured to select a set of gate lines from the plurality of gate lines based on the high-order address signal.

14. The display system according to claim 13 , wherein
the mask signal indicates that the low-order address signal is not to be used, and
the first drive circuit is further configured to select the set of gate lines from the plurality of gate lines based on the mask signal.

15. A display device, comprising:
a display array circuit including;
a plurality of gate lines and a plurality of data lines, and
a plurality of light-emitting elements at each of a plurality of intersections of the plurality of gate lines and the plurality of data lines, wherein the plurality of gate lines and the plurality of data lines are configured to drive the plurality of light-emitting elements; and

a first drive circuit configured to:
receive a plurality of selection signals from a display control device, wherein
generation of the plurality of selection signals is based on control information,
the control information is associated with a vertical resolution of the plurality of gate lines, and
each of the plurality of selection signals comprises a mask signal and an address signal; and

select at least one gate line from the plurality of gate lines based on the address signal, the mask signal, and at least one selection signal of the plurality of selection signals; and

a second drive circuit configured to:
sequentially select the plurality of data lines; and
transmit a video signal.

16. The display device according to claim 15 , wherein
the address signal includes a high-order address signal and a low-order address signal, and
the first drive circuit is further configured to select a set of gate lines from the plurality of gate lines based on the high-order address signal.

17. The display device according to claim 16 , wherein
the first drive circuit is further configured to select the set of gate lines from the plurality of gate lines based on the mask signal, and
the mask signal indicates that the low-order address signal is not to be used.

18. A display method, comprising:
generating a selection signal based on control information, wherein the selection signal comprises a mask signal and an address signal;
outputting the selection signal to a display device, wherein
the display device comprises a plurality of gate lines and a plurality of data lines, and
the control information is associated with a vertical resolution of the plurality of gate lines; and

selecting at least one gate line from the plurality of gate lines based on the address signal, the mask signal, and the selection signal.

Assignees

• Sony Group Corp

Inventors

• Kimura Kei

Classifications

• G09G3/3233 Primary

  with pixel circuitry controlling the current through the light-emitting element · CPC title

• H10K59/131 Primary

  Interconnections, e.g. wiring lines or terminals · CPC title

• G09G2320/0247

  Flicker reduction other than flicker reduction circuits used for single beam cathode-ray tubes · CPC title

• G09G2310/0243

  Details of the generation of driving signals · CPC title

• G09G2310/0213

  controlling the sequence of the scanning lines with respect to the patterns to be displayed, e.g. to save power · CPC title