Display apparatus and controlling method thereof

Patent metadata

Field	Value
Publication number	US-10388204-B2
Application number	US-201715581637-A
Country	US
Kind code	B2
Filing date	Apr 28, 2017
Priority date	Nov 24, 2016
Publication date	Aug 20, 2019
Grant date	Aug 20, 2019

Abstract

A display apparatus and controlling method thereof are provided. The display apparatus includes a display including a plurality of light emitting components, a display driver that drives the display by applying a current to the plurality of light emitting components, a storage that stores current intensity information for each of a plurality of display modes providing different color gamuts, and a processor that acquires current intensity information corresponding to a present display mode, among the plurality of display modes, from the storage and controls the display driver to apply the current to the plurality of light emitting components based on the acquired current intensity information.

First claim

What is claimed is:

1. A display apparatus comprising:
a display including a plurality of light emitting components;
a display driver configured to drive the display by applying a driving current to the plurality of light emitting components;
a storage configured to store driving current intensity information for each of a plurality of display modes providing different color gamuts; and
a processor configured to:
obtain driving current intensity information corresponding to a present display mode, among the plurality of display modes, from the storage, and
control the display driver to apply the driving current to the plurality of light emitting components based on the obtained driving current intensity information,
wherein the processor is further configured to control the display driver to reduce a time when the driving current is applied to the plurality of light emitting components by adjusting a duty cycle based on a current intensity of the driving current being greater than a preset value, and
wherein the processor is further configured to, in response to identifying that different types of image content are displayed on the display, control the display driver to apply driving currents having different intensities to light emitting components included in each of a plurality of regions based on a display mode associated with each of the plurality of regions where the image content are respectively displayed.

2. The display apparatus as claimed in claim 1 , further comprising:
an input unit configured to receive the image content,
wherein the processor is further configured to obtain the present display mode based on the types of the received image content.

3. The display apparatus as claimed in claim 1 , further comprising:
a user interface configured to receive a user command,
wherein the processor is further configured to determine a display mode selected according to the user command received through the user interface as the present display mode.

4. The display apparatus as claimed in claim 1 , wherein the plurality of light emitting components are implemented as a plurality of sub pixels, and
wherein the processor is further configured to control the display driver to change a current intensity of at least one of driving currents applied to each of the plurality of sub pixels based on the obtained driving current intensity information.

5. The display apparatus as claimed in claim 1 , wherein the processor is further configured to change the present display mode based on scene information of the image content.

6. The display apparatus as claimed in claim 1 , wherein the light emitting components are implemented as sub pixels such as a red light emitting diode (LED), a green LED and a blue LED.

7. The display apparatus as claimed in claim 1 , wherein the storage is further configured to store the driving current intensity information providing at least one of an adobe color gamut and a Digital Cinema Initiatives (DCI) color gamut.

8. A controlling method of a display apparatus which includes a storage that stores driving current intensity information for each of a plurality of display modes providing different color gamuts, the controlling method comprising:
obtaining driving current intensity information corresponding to a present display mode, among the plurality of display modes, from the storage; and
driving a display of the display apparatus by applying a driving current to the display, which includes a plurality of light emitting components, based on the obtained driving current intensity information,
wherein driving the display comprises reducing a time when the driving current is applied to the plurality of light emitting components by adjusting a duty cycle based on a current intensity of the driving current being greater than a preset value,
wherein the driving the display further comprises, in response to identifying that different types of image content are displayed on the display, applying driving currents having different intensities to light emitting components included in each of a plurality of regions based on a display mode associated with each of the plurality of regions where the image content are respectively displayed.

9. The controlling method as claimed in claim 8 , further comprising:
receiving the image content; and
determining the present display mode based on the types of the received image content.

10. The controlling method as claimed in claim 8 , further comprising:
receiving a user command; and
determining a display mode selected according to the received user command as the present display mode.

11. The controlling method as claimed in claim 8 , wherein the plurality of light emitting components are implemented as a plurality of sub pixels, and
wherein the driving the display further comprises changing a current intensity of at least one of driving currents applied to each of the plurality of sub pixels based on the obtained driving current intensity information.

12. The controlling method as claimed in claim 8 , further comprising changing the present display mode based on scene information of the image content.

13. The controlling method as claimed in claim 8 , wherein the light emitting component is implemented as sub pixels such as a red light emitting diode (LED), a green LED and a blue LED.

14. A display apparatus comprising:
a storage configured to store driving current intensity information for each of a plurality of display modes providing different color gamuts; and
a processor configured to:
obtain driving current intensity information corresponding to a present display mode, among the plurality of display modes, from the storage; and
control driving current applied to a plurality of light emitting components of a display based on the obtained driving current intensity information,
wherein the processor is further configured to reduce a time when the driving current is applied to the plurality of light emitting components by adjusting a duty cycle based on a current intensity of the driving current being greater than a preset value, and
wherein the processor is further configured to, in response to identifying that different types of image content are displayed on the display, control the display driver to apply driving currents having different intensities to light emitting components included in each of a plurality of regions based on a display mode associated with each of the plurality of regions where the image content are respectively displayed.

15. The display apparatus according to claim 14 , wherein the processor is further configured to increase or decrease intensity level of the driving current applied to the plurality of light emitting components of the display based on the obtained driving current intensity information.

Assignees

• Samsung Electronics Co Ltd

Inventors

• Shigeta Tetsuya
• Kwag Do-Young
• Cho Seong-Phil

Classifications

• G09G2320/0613

  The adjustment depending on the type of the information to be displayed · CPC title

• G09G3/2081

  with combination of amplitude modulation and time modulation (space and time error diffusion G09G3/2066) · CPC title

• G09G2320/0686

  with two or more screen areas displaying information with different brightness or colours · CPC title

• G09G2340/06

  Colour space transformation · CPC title

• G09G2360/16

  Calculation or use of calculated indices related to luminance levels in display data · CPC title