Method for adjusting color of monochromatic liquid crystal display and medical image display apparatus
View Patent ↗The color adjustment method adjusts a color of a monochromatic image on a LCD and each of LCDs. The method uses a plurality of light sources of different color temperatures as a backlight of the LCD and controls relative quantities of light from the light sources to adjust the color of the monochromatic image displayed on the LCD or each of the LCDs. The medical image display apparatus includes a plurality of LCDs, each displaying a monochromatic image, a backlight of each of the LCDs, the backlight having a plurality of light sources of different color temperatures and a unit for adjusting relative quantities of light from the light sources to adjust each color of the monochromatic image displayed on each of the LCDs.
1. A method for adjusting a color of a monochromatic image on each of a plurality of liquid crystal displays, comprising:
using as a backlight of each of said plurality of liquid crystal display a plurality of light sources of different color temperatures; and
controlling relative quantities of light from said plurality of light sources to adjust each color of the monochromatic image as it is displayed on each of said plurality of liquid crystal displays,
wherein a color difference between two monochromatic images displayed on respective two of said plurality of liquid crystal displays is so adjusted as to satisfy the condition:
Δu′v′≦0.004
where Δu′v′ is the distance between two points of u′v′ coordinates in the CIE 1976 UCS chromaticity diagram.
2. The method according to claim 1 , wherein said plurality of light sources are cold cathode-ray tubes having correlated color temperatures between 6,000 K and 13,000 K.
3. The method according to claim 1 , wherein each of monochromatic images capable of being observable independently is displayed on each of said plurality of liquid crystal displays.
4. The method according to claim 1 , wherein a color difference between two monochromatic images displayed on respective two of the plurality of liquid crystal displays is adjusted so that the color difference is minimized.
5. The method of claim 1 , wherein the monochromatic image comprises a single color shade.
6. The method of claim 1 , wherein the monochromatic image is a medical image.
7. The method of claim 1 , wherein the plurality of liquid crystal displays have gaps therebetween.