Patent application number | Description | Published |
20100194271 | ILLUMINATION DEVICE AND DISPLAY DEVICE USING THE SAME - An illumination device ( | 08-05-2010 |
20100202130 | ILLUMINATION DEVICE AND DISPLAY DEVICE USING THE SAME - In an illumination device ( | 08-12-2010 |
20110080540 | LIGHTING DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - A lighting device which is thin and has improved heat dissipation properties. The device ( | 04-07-2011 |
20110096099 | BACKLIGHT DRIVE DEVICE, DISPLAY DEVICE EQUIPPED WITH SAME, AND BACKLIGHT DRIVE METHOD - A backlight drive device is provided in at least one embodiment including a plurality of backlight units for each of which a unique address is automatically set using a simplified configuration, in which backlight drive units are sequentially connected to a backlight drive control portion via a serial signal line by a daisy-chain method, and through this, the backlight drive control portion transmits an address-assigning signal sequentially to each of the units before sending luminance data. Also, in at least one embodiment, the backlight drive control portion is directly connected to the backlight drive units via an IIC bus by a bus method, and through this, the backlight drive control portion receives light-quantities and temperatures detected by the units identified by the addresses as mentioned above. This configuration allows automatic setting of unique addresses, which makes it possible to use common backlight drive units. | 04-28-2011 |
20110175951 | ILLUMINATING APPARATUS AND LIQUID CRYSTAL DISPLAY DEVICE PROVIDED THEREWITH - Provided is an illuminating apparatus wherein a time for correcting the color of illuminating light can be shortened. The illuminating apparatus ( | 07-21-2011 |
20120025739 | LED ILLUMINATING DEVICE, AND DISPLAY DEVICE PROVIDED WITH THE LED ILLUMINATING DEVICE - In order to obtain an LED illuminating device which reduces the wire connection cost by reducing the number of wiring lines and which can also reduce the substrate cost even with a configuration in which the light-emitting surface is formed by combining a plurality of LED unit substrates and in order to obtain a display device which reduces the manufacturing cost by using this LED illuminating device, an LED illuminating device | 02-02-2012 |
20120098462 | LED Driver Circuit, Light Source Device, And LCD Device - An LED driver circuit which provides a cost reduction is provided by employing a circuit configuration which allows a size reduction. In at least one example embodiment, the LED driver circuit includes a first switching element, a second switching element, a sense resistor, a sensing unit, a calculator, and a driver. The plurality of LEDs, the first switching element, the second switching element, and the sense resistor are coupled to each other in series in this order. The sensing unit receives a voltage at a node between the second switching element and the sense resistor, and generates voltage data representing the voltage. The calculator calculates a temporal average of a current flowing through the LEDs based on the voltage data, and generates current data corresponding to the temporal average. The driver drives the first switching element and the second switching element based on the current data. | 04-26-2012 |
20120120656 | LIGHTING DEVICE AND DISPLAY DEVICE - An illumination device ( | 05-17-2012 |
Patent application number | Description | Published |
20100097541 | LED BACKLIGHT AND LIQUID CRYSTAL DISPLAY DEVICE - An LED backlight in which deterioration in in-plane uniformity of brightness is prevented, whose thickness, frame width, and wire length are reduced, and in which wiring can be carried out easily, includes an LED provided on one surface of an LED substrate; the LED substrate is mounted on a chassis panel so that a surface of the LED substrate opposite to the one surface contacts the chassis panel; and the chassis panel has a connection hole provided in a portion of a region of the chassis panel in which region the LED substrate is mounted, which passes through the chassis panel. | 04-22-2010 |
20100271565 | ILLUMINATION DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - An illumination device includes an LED package, an LED driver including an FET, and a thermistor disposed on a substrate. A plurality of such LED packages are disposed on the substrate such that a first area and a second area, each determined by vertices corresponding to LED packages, are defined on the substrate. The thermistor is disposed in the first area, and the FET is disposed in the second area, which is outside of the first area. The thermistor detects a temperature in the first area. Such a configuration allows the thermistor to detect, in accordance with the temperature in the area, the temperature of heat transferred from the LED packages, without being affected by heat generated by the FET. This makes it possible to efficiently make temperature corrections to stabilize color temperature and luminance. | 10-28-2010 |
20110175950 | ILLUMINATING APPARATUS AND LIQUID CRYSTAL DISPLAY APPARATUS PROVIDED WITH THE SAME - Provided is an illuminating apparatus wherein luminosity deterioration of illuminating light can be suppressed. An illuminating apparatus ( | 07-21-2011 |
20110175952 | ILLUMINATION DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE INCLUDING SAME - An illumination device is provided that can reduce decreases in brightness of illumination light. The illumination device ( | 07-21-2011 |
20110254454 | LED DRIVING DEVICE, LIGHT SOURCE DEVICE, AND LIQUID CRYSTAL DISPLAYING DEVICE - A first power supply voltage Vin | 10-20-2011 |
20120147290 | LED BACKLIGHT AND LIQUID CRYSTAL DISPLAY DEVICE - An LED backlight in which deterioration in in-plane uniformity of brightness is prevented, whose thickness, frame width, and wire length are reduced, and in which wiring can be carried out easily, includes an LED provided on one surface of an LED substrate; the LED substrate is mounted on a chassis panel so that a surface of the LED substrate opposite to the one surface contacts the chassis panel; and the chassis panel has a connection hole provided in a portion of a region of the chassis panel in which region the LED substrate is mounted, which passes through the chassis panel. | 06-14-2012 |
20120175650 | ILLUMINATING DEVICE AND DISPLAY DEVICE - An illuminating device ( | 07-12-2012 |
20130027288 | LED BACKLIGHT AND LIQUID CRYSTAL DISPLAY DEVICE - Disclosed are a direct-lit LED backlight, and a liquid crystal display device, provided with the backlight. In the LED backlight, heat generated by LEDs is easily dissipated, the number of the LEDs disposed is reduced, the temperature of the LEDs does not become too high, and reliability is improved by stabilizing light emission luminance and service life. The LED backlight (BL | 01-31-2013 |
20130027638 | LED BACKLIGHT AND LIQUID CRYSTAL DISPLAY DEVICE - An LED backlight in which deterioration in in-plane uniformity of brightness is prevented, whose thickness, frame width, and wire length are reduced, and in which wiring can be carried out easily, includes an LED provided on one surface of an LED substrate; the LED substrate is mounted on a chassis panel so that a surface of the LED substrate opposite to the one surface contacts the chassis panel; and the chassis panel has a connection hole provided in a portion of a region of the chassis panel in which region the LED substrate is mounted, which passes through the chassis panel. | 01-31-2013 |
20130070004 | LIQUID CRYSTAL DISPLAY DEVICE AND TELEVISION RECEIVER - Disclosed is a liquid crystal display device wherein display performance of a two-dimensional image and that of a three-dimensional image are both improved. The liquid crystal display device is provided with: a liquid crystal display panel, which displays the two-dimensional image and the three-dimensional image by selectively switching the images; and a backlight, which supplies light to the liquid crystal display panel. The backlight includes an illuminating region, which is scan-lighted corresponding to scanning of the liquid crystal display panel, and the scanning frequencies of the illuminating region at the time of displaying the two-dimensional image and the three-dimensional image on the liquid crystal display panel are different from each other. | 03-21-2013 |