Backlight unit and liquid crystal display device using the same
A backlight unit includes: a first lamp group including at least one lamp emitting light corresponding to at least one of red, green and blue colors; and a second lamp group including at least one lamp emitting light corresponding to at least one color other than the colors red, green and blue.
1 . A backlight unit, comprising:
a first lamp group including at least one lamp emitting light corresponding to at least one of the colors red, green and blue; and
a second lamp group including at least one lamp emitting light corresponding to at least one color other than red, green and blue.
2 . The backlight unit according to claim 1 , wherein the first lamp group includes one lamp.
3 . The backlight unit according to claim 2 , wherein the one lamp of the first lamp group represents all of the colors red, green and blue.
4 . The backlight unit according to claim 1 , wherein the first lamp group includes three lamps.
5 . The backlight unit according to claim 4 , wherein the three lamps of the first lamp group each emit one colors of light corresponding to red, green and blue, respectively.
6 . The backlight unit according to claim 1 , wherein each color of the first lamp group is different from each color of the second lamp group.
7 . The backlight unit according to claim 1 , wherein the at least one color of the second lamp group includes at least one of yellow, cyan and magenta colors.
8 . A liquid crystal display device using a backlight unit, comprising:
an image display unit having a plurality of pixel regions;
a backlight unit under the image display unit comprising:
a first lamp group including at least one lamp emitting light corresponding to at least one of red, green and blue colors; and
a second lamp group including at least one lamp emitting light corresponding to at least one color other than red, green and blue; and
a driving circuit unit controlling the backlight unit and transmitting data to the image display unit.
9 . The device according to claim 8 , wherein the first lamp group includes one lamp.
10 . The device according to claim 9 , wherein the one lamp of the first lamp group represents all of the colors red, green and blue.
11 . The device according to claim 8 , wherein the first lamp group includes three lamps.
12 . The device according to claim 11 , wherein the three lamps of the first lamp group each emit one color of light corresponding to red, green and blue, respectively.
13 . The device according to claim 8 , wherein each color of the first lamp group is different from each color of the second lamp group.
14 . The device according to claim 8 , wherein the at least one color of the second lamp group includes at least one of yellow, cyan and magenta colors.
15 . A method for providing a light source for a backlight unit comprising:
emitting light from at least one lamp of a first lamp group corresponding to at least one of the colors red, green and blue;
emitting light from at least one lamp of a second lamp group corresponding to at least one color other than the colors red, green and blue.
16 . The method according to claim 15 , wherein the first lamp group includes one lamp.
17 . The method according to claim 16 , wherein the one lamp of the first lamp group represents all of the colors red, green and blue.
18 . The method according to claim 15 , wherein the first lamp group includes three lamps.
19 . The method according to claim 18 , wherein the three lamps of the first lamp group each emit one color of light corresponding to red, green and blue, respectively.
20 . The method according to claim 15 , wherein each color of the first lamp group is different from each color of the second lamp group.
21 . The method according to claim 15 , wherein the at least one color of the second lamp group includes at least one of yellow, cyan and magenta colors.
22 . A backlight unit, comprising:
a first lamp group including at least one lamp emitting light corresponding to a first group of colors; and
a second lamp group including at least one lamp emitting light corresponding to a second group of colors;
wherein the colors in the first group are different from the colors in the second group.
23 . The backlight unit according to claim 22 , wherein the first group of colors includes at least one of red, green and blue.
24 . The backlight unit according to claim 22 , wherein the second group of colors includes colors other than red, green and blue.
25 . The backlight unit according to claim 22 , wherein the first lamp group includes one lamp.
26 . The backlight unit according to claim 25 , wherein the one lamp of the first lamp group represents all of the colors red, green and blue.
27 . The backlight unit according to claim 22 , wherein the first lamp group includes three lamps.
28 . The backlight unit according to claim 27 , wherein the three lamps of the first lamp group each emit one color of light corresponding to red, green and blue, respectively.
29 . The backlight unit according to claim 22 , wherein the second group of colors includes at least one of yellow, cyan and magenta colors.