Method and apparatus for adjusting color temperature of display device

Patent metadata

Field	Value
Publication number	US-10699670-B2
Application number	US-201816116379-A
Country	US
Kind code	B2
Filing date	Aug 29, 2018
Priority date	Mar 30, 2018
Publication date	Jun 30, 2020
Grant date	Jun 30, 2020

Abstract

The embodiments of the present application provide a method and apparatus for adjusting color temperature of a display device. The method for adjusting color temperature includes establishing an initial set of color temperature relationship, wherein an element in the initial set of color temperature relationship at least comprises three components including a condition level value of a user, a color temperature value of the display device, and a fitness value of the user; determining an optimized set of color temperature relationship from the initial set of color temperature relationship, wherein a fitness value component of each element in the optimized set of color temperature relationship is within a first threshold range; detecting a condition level value of a current user; determining, from the optimized set of color temperature relationship, an element corresponding to the condition level value of the current user according to the detected condition level value of the current user; and adjusting the color temperature of the display device according to a color temperature value of the determined element.

First claim

The invention claimed is:

1. A method for adjusting color temperature of a display device, the method comprising:
establishing an initial set of color temperature relationship, wherein an element in the initial set of color temperature relationship at least comprises three components including a condition level value of a user indicating physical condition of the user, a color temperature value of the display device, and a fitness value of the user indicating fitness of the user to the color temperature value of the display device at the condition level value of the user;
determining an optimized set of color temperature relationship from the initial set of color temperature relationship, wherein a fitness value component of each element in the optimized set of color temperature relationship is within a first threshold range;
detecting a condition level value of a current user;
determining, from the optimized set of color temperature relationship, an element corresponding to the condition level value of the current user according to the detected condition level value of the current user; and
adjusting the color temperature of the display device according to a color temperature value of the determined element,
wherein determining an optimized set of color temperature relationship from the initial set of color temperature relationship comprises:
selecting elements having a fitness value within the first threshold range from the initial set of color temperature relationship as a first subset, and selecting elements having a fitness value not within the first threshold range from the initial set of color temperature relationship as a second subset;
performing a genetic operation on the second subset, and selecting elements having a fitness value within the first threshold range from the elements generated by performing the genetic operation as a third subset; and
adding the first subset and the third subset to the optimized set of color temperature relationship.

2. The method according to claim 1 , wherein the element in the initial set of color temperature relationship further comprises at least one additional component indicating at least one classification index of the user, wherein determining, from the optimized set of color temperature relationship, an element corresponding to the condition level value of the current user according to the detected condition level value of the current user comprises:
obtaining a value of at least one classification index of the current user; and
determining, according to the obtained value of the at least one classification index of the current user and the detected condition level value of the current user, the element corresponding to the condition level value of the current user from the optimized set of color temperature relationship.

3. The method according to claim 1 , wherein performing a genetic operation on the second subset, and selecting elements having a fitness value within the first threshold range from the elements generated by performing the genetic operation as a third subset comprises:
performing at least one of a selection operation, an interlace operation, and a mutation operation on the elements in the second subset.

4. The method according to claim 3 , wherein performing at least one of a selection operation, an interlace operation, and a mutation operation on the elements in the second subset comprises:
selecting elements having a fitness value within a second threshold range from the second subset, and performing the interlace operation or the mutation operation on the selected elements and unselected elements respectively.

5. The method according to claim 4 , wherein performing at least one of a selection operation, an interlace operation, and a mutation operation on the elements in the second subset further comprises:
adding, to the third subset, elements having a fitness value within the first threshold range among elements generated by performing the interlace operation or the mutation operation on the selected elements and the unselected elements respectively, and adding, to a fourth subset, elements having a fitness value not within the first threshold range among the elements generated by performing the interlace operation or the mutation operation on the selected elements and the unselected elements respectively; and
performing at least one of the selection operation, the interlace operation, and the mutation operation on the fourth subset according to a fitness value of each element in the fourth subset until fitness values of resulted elements are all in within the first threshold range.

6. The method according to claim 1 , wherein
the condition level value indicates a condition of a body of the user or a part of the body of the user, and
the fitness value indicates a degree of fitness of the user having a corresponding condition level at a corresponding color temperature value.

7. An apparatus for adjusting color temperature of a display device, the apparatus comprising:
a user condition detector configured to detect a condition level value of a user; and
a processor configured to perform operations of:
establishing an initial set of color temperature relationship, wherein an element in the initial set of color temperature relationship at least comprises three components including a condition level value of a user, a color temperature value of the display device, and a fitness value of the user;
determining an optimized set of color temperature relationship from the initial set of color temperature relationship, wherein a fitness value component of each element in the optimized set of color temperature relationship is within a first threshold range;
determining, from the optimized set of color temperature relationship, an element corresponding to the condition level value of the current user according to the condition level value of the current user detected by the user condition detector;
adjusting the color temperature of the display device according to a color temperature value of the determined element;
selecting elements having a fitness value within the first threshold range from the initial set of color temperature relationship as a first subset, and selecting elements having a fitness value not within the first threshold range from the initial set of color temperature relationship as a second subset;
performing a genetic operation on the second subset, and select elements having a fitness value within the first threshold range from the elements generated by performing the genetic operation as a third subset; and
adding the first subset and the third subset to the optimized set of color temperature relationship.

8. The apparatus according to claim 7 , wherein the element in the initial set of color temperature relationship further comprises at least one additional component indicating at least one classification index of the user, and the processor is further configured to:
obtain a value of at least one classification index of the current user; and
determine, according to the obtained value of the at least one classification index of the current user and the detected condition level value of the current user, the element corresponding to the condition level value of the current user from the optimized set of color temperature relationship.

9. The apparatus according to claim 7 , wherein the processor is further configured to:
perform at least one of a selection operation, an interlace operation, and a mutation operation on the elements in the second subset.

10. The apparatus according to claim 9 , wherein the processor is further configured to:
select elements having a fitness value within a second thresho

Assignees

• Boe Technology Group Co Ltd
• Hefei Boe Display Lighting Co

Inventors

• Lv tu
• Wang Peina

Classifications

• G09G5/02 Primary

  characterised by the way in which colour is displayed {(details of colour display specific for CRTs G09G1/28; specific for flat matrix panels other than liquid crystal displays G09G3/2003; specific for liquid crystal displays G09G3/3607)} · CPC title

• G09G3/36 Primary

  using liquid crystals · CPC title

• G06F3/14

  Digital output to display device {; Cooperation and interconnection of the display device with other functional units} · CPC title

• G09G2320/0666

  for control of colour parameters, e.g. colour temperature · CPC title

• G09G2360/144

  the light being ambient light · CPC title