Patent application number | Description | Published |
20090096958 | FLUORESCENT LAMP, BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY - A cold cathode fluorescent lamp includes a glass bulb ( | 04-16-2009 |
20090200943 | External-electrode discharge lamp, external-electrode discharge lamp manufacturing method, and backlight unit - The present invention aims to provide an external-electrode discharge lamp able to suppress luminance variation, a manufacturing method for the lamp, and a backlight unit. A lamp ( | 08-13-2009 |
20090237597 | COLD-CATHODE FLUORESCENT LAMP, BACKLIGHT UNIT, AND LIQUID CRYSTAL DISPLAY - A cold cathode fluorescent lamp has an improved heat dissipation characteristic without an overall increase in size, and a lead wire thereof does not readily break. | 09-24-2009 |
20100027244 | FLUORESCENT LAMP, AND LIGHT EMITTING DEVICE AND DISPLAY DEVICE USING FLUORESCENT LAMP - A fluorescent lamp has a glass container that has a phosphor layer formed on an inner surface of the glass container, and that is hermetically sealed, wherein phosphors of the phosphor layer include a blue phosphor, a green phosphor, and a red phosphor, a main luminescence peak of the blue phosphor exists in a wavelength region in a range of 430 nm to 460 nm inclusive, a half-value width of a spectrum of the main luminescence peak of the blue phosphor is less than or equal to 50 nm, a main luminescence peak of the green phosphor exists in a wavelength region in a range of 510 nm to 530 nm inclusive, a half-value width of a spectrum of the main luminescence peak of the green phosphor is less than or equal to 30 nm, and a main luminescence peak of the red phosphor exists in a wavelength region in a range of 600 nm to 780 nm inclusive, and a difference between a wavelength of the main luminescence peak of the blue phosphor and a wavelength of the main luminescence peak of the green phosphor is in a range of 70 nm to 90 nm inclusive. | 02-04-2010 |
20100220462 | METHOD FOR MANUFACTURING DIRECT BACKLIGHT UNIT, FLUORESCENT LAMP AND BACKLIGHT UNIT - The orientation of fluorescent lamps is detected in a manufacturing method for a direct backlight unit that alternates orientations of adjacent fluorescent lamps. In a preparation step of the manufacturing method for the backlight unit of the present invention, a plurality of fluorescent lamps are prepared. In each of the fluorescent lamps, a length (a | 09-02-2010 |
20150036401 | DC POWER SUPPLY CIRCUIT - In a DC power supply circuit, upon a switching element switching to a turned-on state, a first current path is formed from an output terminal at a high-potential side of a rectifier circuit to an output terminal at a low-potential side of a rectifier circuit, via an inductor and the switching element in respective order, and a second current path is formed between terminals of a capacitor, via a load, another inductor, and the switching element. Upon the switching element switching to a turned-off state, a third current path is formed from the output terminal at the high-potential side of a rectifier circuit to the output terminal at the low-potential side of a rectifier circuit, via the inductor, a diode, and the capacitor in respective order, and a fourth current path is formed between the inductors, via the diode and the load in respective order. | 02-05-2015 |
20150303823 | POWER SUPPLY CIRCUIT - A power supply circuit ( | 10-22-2015 |
20150357910 | DC POWER SUPPLY CIRCUIT - In a DC power supply circuit ( | 12-10-2015 |