Illuminating Device And Liquid-Crystal Display Device Using The Same

A liquid crystal display device comprising:

• 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.

A liquid crystal display device comprising an illuminating device used as a backlight of an active matrix type liquid crystal display device, the illuminating device including:

• 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;
• wherein all LED's in each LED package are brought into a line on a line substantially vertical to a direction in which a gate line of said active matrix type liquid crystal display device extends.

A liquid crystal display device comprising:

• 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.