Illuminating device and liquid-crystal display device using the same
First Claim
Patent Images
1. An illuminating device comprising:
- a plurality of LED packages each having LED'"'"'s and a lens, said LED packages being congregated on a plane in a large area, wherein each of said LED packages includes at least four LED'"'"'s corresponding to LED'"'"'s for emitting at least red, green and blue, and at least two of said LED'"'"'s in each LED package are positioned symmetrically with respect to the center of the lens and said two LED'"'"'s emit the same color.
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Abstract
An illuminating device capable of being produced at low costs and irradiating rays of light uniformly to a liquid crystal panel. The illuminating device has a plurality of LED packages each having LED'"'"'s and a lens, the LED packages being congregated on a plane in a large area. Each of the LED packages includes at least four LED'"'"'s corresponding to LED'"'"'s for emitting at least red, green and blue, and at least two of the LED'"'"'s in each LED package are positioned symmetrically to the center of the lens and emit the same color.
118 Citations
76 Claims
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1. An illuminating device comprising:
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a plurality of LED packages each having LED'"'"'s and a lens, said LED packages being congregated on a plane in a large area, wherein each of said LED packages includes at least four LED'"'"'s corresponding to LED'"'"'s for emitting at least red, green and blue, and at least two of said LED'"'"'s in each LED package are positioned symmetrically with respect to the center of the lens and said two LED'"'"'s emit the same color. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 46)
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15. An illuminating device comprising:
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a plurality of LED packages each having LED'"'"'s and a lens, said LED packages being congregated on a plane in a large area, wherein each of said LED packages includes LED'"'"'s for emitting at least red, green and blue, and at least two kinds of LED packages are provided in which the arrangement of LED'"'"'s in one kind of LED package is different from that of LED'"'"'s in the other kind of LED package. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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28. A liquid crystal display device comprising:
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a liquid crystal panel having a pair of substrates, a liquid crystal layer sandwiched between said paired substrates, data lines for applying to said liquid crystal layer a voltage corresponding to image data at a predetermined timing and gate lines, a plurality of active elements connected to intersections of said data lines and said gate lines and pixels driven by said active elements; and
an illuminating device having a plurality of LED packages each including LED'"'"'s and a lens, said LED packages being congregated on a plane in a large area to provide a backlight for irradiating light to said liquid crystal panel, wherein, on a plane substantially parallel to said liquid crystal panel, denoted as a column direction is a direction substantially parallel to a direction in which the gate line extends and denoted as a row direction is a direction substantially orthogonal to the column direction, the bottom of said backlight having the congregated LED packages being divided into two or more plural regions, and there is provided means for driving the LED'"'"'s individually or in respect of each of said plurality of regions and said lens in each of said LED packages has different widths between in the column and row directions. - View Dependent Claims (29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 47, 48, 49)
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50. A liquid crystal display device comprising:
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a liquid crystal panel having a pair of substrates, a liquid crystal layer sandwiched between said paired substrates, data lines for applying to said liquid crystal layer a voltage corresponding to image data at a predetermined timing and gate lines, a plurality of active elements connected to intersections of the data lines and the gate lines and pixels driven by the active elements; and
an illuminating device having a plurality of LED packages each including LED'"'"'s and a lens, said LED packages being congregated on a plane in a large area to provide a backlight for irradiating light to said liquid crystal panel, wherein, on a plane substantially parallel to said liquid crystal panel, denoted as a column direction is a direction substantially parallel to a direction in which the gate line extends and denoted as a row direction is a direction substantially orthogonal to the column direction, the bottom of said backlight having the congregated LED packages being divided into two or more plural regions, and there is provided means for driving the LED'"'"'s individually or in respect of each of said plurality of regions, and said lens in each of said LED packages has a portion which differs in width in accordance with the azimuth. - View Dependent Claims (51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61)
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62. A liquid crystal display device comprising:
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a liquid crystal panel having a pair of substrates, a liquid crystal layer sandwiched between said paired substrates, data lines for applying to said liquid crystal layer a voltage corresponding to image data at a predetermined timing and gate lines, a plurality of active elements connected to intersections of said data lines and said gate lines and pixels driven by said active elements; and
an illuminating device having a plurality of LED packages each including LED'"'"'s and a lens, said LED packages being congregated on a plane in a large area to provide a backlight for irradiating light to said liquid crystal panel, wherein, on a plane substantially parallel to said liquid crystal panel, a column direction is defined as a direction substantially parallel to a direction in which the gate line extends and a row direction is defined as a direction orthogonal to the column direction, the bottom of said backlight having the congregated LED packages being divided into two or more regions and means is provided for driving the LED'"'"'s in respect of individual regions, and a side reflector is provided in part of or over an area being between adjacent regions so that light from an LED package may be reflected to a region in which that LED package is included. - View Dependent Claims (63, 64, 65, 66, 67, 68)
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69. A liquid crystal display device comprising:
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a liquid crystal panel having a pair of substrates, a liquid crystal layer sandwiched between said paired substrates, data lines for applying to said liquid crystal layer a voltage corresponding to image data at a predetermined timing and gate lines, a plurality of active elements connected to intersections of said data lines and said gate lines and pixels driven by said active elements; and
an illuminating device having a plurality of LED packages each including LED'"'"'s and a lens, said LED packages being congregated on a plane in a large area to provide a backlight for irradiating rays of light to said liquid crystal panel, wherein each LED package includes a high refractive index member containing a substance having a larger refractive index than that of a material forming the lens and said LED is sealed with said high refractive index member, with said lens being superimposed on said high refractive index member. - View Dependent Claims (70, 71, 72, 73, 74, 75, 76)
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Specification