Color temperature conversion apparatus in color display system and method thereof

An apparatus for creating a color temperature converting factor, comprising:

• a first color temperature converting factor unit for storing a plurality of first color temperature converting factors for converting a first predetermined color temperature to a particular color temperature;
• a second color temperature converting factor unit for storing a plurality of second color temperature converting factors for converting the particular color temperature to a second predetermined color temperature;
• and
• a converting factor creating unit that creates a third color temperature converting factor for converting an input color temperature to an aiming color temperature according to a first converting factor selected from the first color temperature converting factors and based on the input color temperature, and a second converting factor selected from the second color temperature converting factors based on an input aiming color temperature.

An apparatus for converting a color temperature, comprising:

• a color temperature detecting unit for detecting a color temperature from an input image;
• a first color temperature converting factor unit for storing a plurality of first color temperature converting factors for converting a first predetermined color temperature to a particular color temperature;
• a second color temperature converting factor unit for storing a plurality of second color temperature converting factors for converting the particular color temperature to a second predetermined color temperature;
• a color temperature converting factor creating unit that creates a third color temperature converting factor for converting an input color temperature to the aiming color temperature, based on a first converting factor and a second converting factor;
• and
• a color temperature conversion unit for converting the color temperature of the input image to the aiming color temperature based on the third color temperature converting factor.

A method for converting a color temperature, comprising the steps of:

• detecting a color temperature from an input image;
• inputting an aiming color temperature;
• selecting a first converting factor corresponding to the detected color temperature, from one or more first color temperature converting factors for converting a first predetermined color temperature to a particular color temperature;
• selecting a second converting factor corresponding to the aiming color temperature, from one or more second color temperature converting factors for converting the particular color temperature to a second predetermined color temperature;
• creating a third color temperature converting factor for converting the color temperature of the input image to the aiming color temperature based on the selected first and second converting factors;
• and
• converting the color temperature of the input image to the aiming color temperature based on the third color temperature converting factor.

A color display system, comprising:

• a color temperature detecting unit for detecting a color temperature from an input image;
• a first color temperature converting factor unit for storing a plurality of first color temperature converting factors for converting a first predetermined color temperature to a particular color temperature;
• a second color temperature converting factor unit for storing a plurality of second color temperature converting factors for converting the particular color temperature to a second predetermined color temperature;
• a color temperature converting factor creating unit for creating a third color temperature converting factor for converting an input color temperature to an aiming color temperature, based on a first converting factor and a second converting factor;
• a color temperature converting unit for converting the color temperature of the input image to the input aiming color temperature based on the third color temperature converting factor;
• and
• a display unit for displaying the image with the converted color temperature.

A color display method, comprising the steps of:

• detecting a color temperature of an input image;
• inputting an aiming color temperature;
• selecting a first converting factor corresponding to the detected color temperature from one or more first color temperature converting factors, for converting a first predetermined color temperature to a particular color temperature;
• selecting a second converting factor corresponding to the aiming color temperature from one or more second color temperature converting factors, for converting the particular color temperature to a second predetermined color temperature;
• creating a third color temperature converting factor for converting the color temperature of the input image to the aiming color temperature based on the selected first and second converting factors;
• converting the color temperature of the input image to the aiming color temperature, based on the third color temperature converting factor;
• and
• displaying the image with the converted color temperature.