Patent application number | Description | Published |
20080259252 | LIQUID CRYSTAL DISPLAY DEVICE - An illumination device using a plurality of LED light sources each of which is driven by a single power supply is provided to attain simple operational response and voltage control. | 10-23-2008 |
20080298055 | Illumination device and liquid crystal display device using the same - The present invention provides an illumination device capable of improving an efficiency of acquiring light emitted by light emitting diodes, which are provided in a light source module and used as a light source, and capable of achieving a uniform luminance distribution, and provides a liquid crystal display device using the illumination device. The illumination device includes a circuit board, red, green and blue light emitting diodes, and a lens body. Each red, green and blue light emitting diode is mounted on the circuit board and connected with a wiring pattern formed on the circuit board. The lens covers the red, green and blue light emitting diodes, and includes first portions each having two first side surfaces and second portions each having two second side surfaces. The first and second portions are alternately arranged. A distance between the first side surfaces is larger than a distance between the second side surfaces. The three red, green and blue light emitting diodes are provided in each first portion of the lens. | 12-04-2008 |
20080303977 | Liquid Crystal Display Device - An object of the present invention is to provide a liquid-crystal display device which includes a diffuser board that does not produce striped mura on the surface of a liquid crystal panel even if point light sources are used as light sources of a backlight. | 12-11-2008 |
20100165246 | Illuminating Device And Liquid-Crystal Display Device Using The Same - 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. | 07-01-2010 |
20110267559 | Illuminating Device And Liquid-Crystal Display Device Using The Same - 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. | 11-03-2011 |
20110278557 | ORGANIC LIGHT EMITTING DIODE AND LIGHT SOURCE DEVICE INCLUDING THE SAME - An organic light emitting diode has a reflection electrode, an organic layer with a luminous point, a transparent electrode, an output-side substrate, and a light scattering layer in contact with the output-side substrate. The light scattering layer is made of a base material and particles contained therein. These particles are higher in refractive index than the base material and the output-side substrate. The luminous point emits light at an emission peak wavelength λ (nm). Letting a height from an interface between the electrode and the organic layer to the luminous point be “a×d” (where d (nm) is the thickness of the organic layer, | 11-17-2011 |
20130033741 | Suspended Particle Device, Light Control Device Using the Same, and Method for Driving the Same - The suspended particle device includes a first substrate and a second substrate, a first electrode, a second electrode, a third electrode and a suspension disposed between the first substrate and the second substrate, wherein the first electrode is formed on the first substrate, the second electrode and the third electrode are formed on the second substrate, the suspension includes light-control particles and a disperse medium, the light-control particles are charged, an orientation state of the light-control particles is controlled by applying AC voltage to at least any one of the first electrode, the second electrode, and the third electrode, and the light-control particles are dispersed in the suspension or biased to the third electrode by applying DC voltage to at least one of the first electrode, the second electrode, and the third electrode. | 02-07-2013 |
20130154473 | ADHESIVE SHEET, AS WELL AS OPTICAL MEMBER AND ORGANIC LIGHT EMISSION DEVICE USING THE SAME - An adhesive sheet | 06-20-2013 |
20130285039 | Organic Light-Emitting Device and Light Source Device Using the Same - In order to improve an external quantum efficiency of an organic light-emitting element, a first light extraction layer is formed over the surface of a second substrate on the side where the second substrate is present, a second light extraction layer is formed over the surface of the second substrate on the other side, the first and second light extraction layers contain fine particles and a binder, the average particle diameter of the fine particles contained in the first and second light extraction layers are 0.05 μm or more and 2 μm or less and 1 μm or more and 10 μm or less, respectively, and an optical length L | 10-31-2013 |
20130286464 | Light Control Device - The purpose of the present invention is to provide a light control device having a fast light control of a transmitting state and a light shielding state and a retention of the transmitting state at a voltage non-applying state which are compatible with each other, and is to provide a driving method thereof. | 10-31-2013 |