Abstract: Dissipation of heat generated by a luminescent source, such as a fluorescent lamp, of a backlight apparatus and an LCD therewith is enhanced by providing a proximity section in a holder, making the hottest part the closest to the holder for efficient heat conduction.

Abstract: The present invention provides a backlight device that has a heat-generating light source, such as a fluorescent tube. This backlight device includes; fluorescent tubes that emit light when power is supplied to the fluorescent tube electrodes; and a light guide plate that guides the light emitted from the fluorescent tubes to a liquid crystal panel. In this backlight device, heat release members for releasing the heat from the fluorescent tube electrodes are provided at the corners of the light guide plate that face the fluorescent tube electrodes of the fluorescent tubes. With these heat release members, the light guide plate is prevented from melting.

Abstract: A dielectric duplexer includes a substantially-rectangular-parallelepiped-shaped dielectric block. The interior of the dielectric block includes inner-conductor-formed holes containing inner conductors. An outer conductor is formed on the substantial entirety of an exterior surface of the dielectric block. Input/output electrodes and antenna input/output electrodes are formed at predetermined positions. Thus, the dielectric block is provided with a band eliminate filter and a band pass filter. A C-L-C &pgr;/2 phase circuit in which C, L, and C are arranged in the shape of the letter &pgr; is provided between an antenna and the antenna input/output electrode of the band eliminate filter, and the antenna is connected to the antenna input/output electrode of the band pass filter.

Abstract: A frequency variable filter in which both the frequency of an attenuation pole and the attenuation bandwidth can be varied. In the frequency variable filter, two serial resonance sections composed of resonators and resonance capacitors are electrically connected to each other via a capacitor. The respective resonator in each of the serial resonance sections is electrically connected in parallel with a corresponding serial circuit composed of a frequency shifting capacitor and a PIN diode. A coupling capacitor electrically connects the junctions defined respectively between the frequency shifting capacitor and the PIN diode in each of the serial circuits.

Abstract: A liquid crystal display device irradiates a light of a light source from a backside of a liquid crystal panel. A light-guiding plate provided under the liquid crystal panel guides the light of the light source to the liquid crystal panel by transmitting the light therethrough. An optical sheet is arranged between the liquid crystal panel and the light-guiding plate. A backlight housing accommodated the light-guiding plate and the optical sheet. The optical sheet has a protruding part extending outwardly from a periphery thereof. The backlight housing has an opening at a position corresponding to the protruding part.

Abstract: A filter assembly includes a transmission filter, a reception filter, a change-over switch, and phase circuits. The transmission filter has first and second ends electrically connected to a first antenna terminal and a transmission terminal, respectively. The reception filter has a first end electrically connected to a second antenna terminal via the change-over switch, and a second end electrically connected to a reception terminal. A main antenna is connected to the first antenna terminal, and a diversity antenna is connected to the second antenna terminal. The change-over switch performs switching control to connect the reception filter to one of the first and second antenna terminals. Thus, the filters utilize a fixed number of resonators regardless of switching control of the change-over switch, thereby achieving optimum filter characteristics.

Abstract: The invention provides a composite filter comprising: a single unitary dielectric block having an outer conductor on the external surfaces thereof; a plurality of inner conductors disposed in the dielectric block; a plurality of filters with different frequencies respectively comprising resonators made of at least one of said inner conductor; a first portion of said dielectric block constituting at least one of said filter comprising a first dielectric material; a second portion of said dielectric block constituting the other one of said filter comprising a second dielectric material; and the dielectric constant of said first dielectric material and said second dielectric material being different from each other.

Abstract: A dielectric filter includes a dielectric block and an outer conductor on outer surfaces of the dielectric block. The dielectric block has holes having inner conductors, with gaps provided by sections devoid of inner conductor. A section devoid of outer conductor is formed on an edge portion around a stray surface of the dielectric block. Accordingly, a TE-mode resonance having one quarter the wavelength in the axial length direction of the dielectric block is generated. The TE-mode resonance and a TEM-mode resonance are combined to form an attenuation pole.

Abstract: A dielectric filter includes a dielectric block having a plurality of outer surfaces including opposed top and bottom surfaces, opposed side surfaces and a mounting surface. A plurality of through holes extend between the opposed top and bottom surfaces. Respective internal electrodes are located on internal surfaces of the through holes and an outer conductor is formed on at least some of the outer surfaces. First input output electrode extends from the mounting surface to one of the side surfaces. A second input output electrode extends from the mounting surface to the other of the side surfaces. Each of the first and second input output electrodes are separated from the outer conductor by a respective conductor-free portion wherein at least one corner of an outer shape of each of the conductor-free portions is formed as a continuous line having no right angles.

Abstract: A dielectric filter which has suitable attenuation characteristics and which readily exhibits desired characteristics. First, second and third inner-conductor holes having an inner conductor on each of the surfaces thereof are formed inside a dielectric block having an outer conductor on the outer surface thereof. First and second I/O electrodes extend from opposing side-surfaces to the undersurface of the dielectric block and are separated from the outer conductor. The side-surfaces are orthogonal to the direction in which the inner-conductor holes are arrayed in the dielectric block, and the undersurface is a mounting surface for facing a mounting board. The first I/O electrode extends from one of said side-surfaces near the first inner-conductor hole, to a position beyond a remote side of the second inner-conductor hole, that is, the side near the third inner-conductor hole.

Abstract: A filter with which it is possible to control the relationship between a pass band and an attenuation band. In this filter, for example, a single-stage trap filter is electrically connected to a three-stage band pass filter via a coupling capacitor. The trap filter has a serial resonance section composed of a resonator and a resonance capacitor. The serial resonance section is connected in parallel to a capacitive reactance element (capacitor), and a serial circuit composed of an inductive reactance element (inductor) and a PIN diode as a switching element. The capacitive reactance element and the inductive reactance element both serve to make an admittance of the trap circuit substantially zero.

Abstract: Resonator holes are provided so as to extend between opposing surfaces of a dielectric filter. At least one of the resonator holes have large-diameter hole portions, and small-diameter hole portions communicating with the large-diameter hole portions, respectively. The small-diameter hole portions are provided in one of the opposing surfaces. The axes of the small-diameter hole portions and the axes of the large-diameter hole portions are displaced, respectively, such that the displacement distance P therebetween is within a range which satisfies the relationship R−r<P<R+r, where R is the radii of the large-diameter hole portions and r is the radii of the small-diameter hole portions. The large-diameter hole portions and the small-diameter hole portions overlap each other in the axial directions of the resonator holes.

Abstract: A method of forming a laminated glass substrate structure suitable for use in a display device or the like, includes the steps of: a) preparing a first glass substrate having first and second main faces; b) preparing a second glass substrate having third and fourth main faces; c) after the steps a) and b), adhering the first and second glass substrates with a space formed therebetween and with the third main face facing to the second main face; and d) after the step c), performing a smoothing process relative to all edges excepting one edge among edges defining the first main face. The laminated glass substrate structure provides an improved load resistance.

Abstract: A frequency variable filter in which both the frequency of an attenuation pole and the attenuation bandwidth can be varied. In the frequency variable filter, two serial resonance sections composed of resonators and resonance capacitors are electrically connected to each other via a capacitor. The respective resonator in each of the serial resonance sections is electrically connected in parallel with a corresponding serial circuit composed of a frequency shifting capacitor and a PIN diode. A coupling capacitor electrically connects the junctions defined respectively between the frequency shifting capacitor and the PIN diode in each of the serial circuits.

Abstract: An outer conductor, an input terminal electrode, an output terminal electrode, a voltage controllable terminal electrode, and two separated electrodes are formed on the outer face of a dielectric block. Furthermore, on the upper face of the dielectric block, PIN diodes which are voltage controllable reactance elements, and inductors for voltage-controlling the PIN diodes, and a coupling adjustment capacitor are mounted. Frequency shifting capacitors are formed by generation of electrostatic capacitances between the separated electrodes and the inner conductors of the resonance holes, respectively.

Abstract: A driving circuit for a matrix-type panel includes a control circuit which causes image data to be supplied to the matrix-type panel when a synchronization between the image data and an operation of the matrix-type panel is established after a supply of a given timing signal necessary for an operation of the control circuit is stopped and is then restarted.

Abstract: A method of forming a laminated glass substrate structure suitable for use in a display device or the like, includes the steps of: a) preparing a first glass substrate having first and second main faces; b) preparing a second glass substrate having third and fourth main faces; c) after the steps a) and b), adhering the first and second glass substrates with a space formed therebetween and with the third main face facing to the second main face; and d) after the step c), performing a smoothing process relative to all edges excepting one edge among edges defining the first main face. The laminated glass substrate structure provides an improved load resistance.

Abstract: A display has a display panel of a first aspect ratio and is able to display on the display panel an image of a second aspect ratio whose width element is larger than that of the first aspect ratio. The display has a gate driver, a data driver, and a timing controller. The gate driver sequentially selects gate lines of the display panel. The data driver stores data for one gate line and supplies the data to one of the gate lines selected by the gate driver. The timing controller supplies control signals to the gate and data drivers so that predetermined data is displayed in top and bottom non-image areas of the display panel during a vertical blanking period. The display is capable of displaying images of different sizes.

Abstract: A flexible printed circuit having wiring patterns printed on a flexible resin film, comprising a narrow flexible area having first wiring patterns and constituting a flexible wiring part and a broad connection area adapted to be adhered to a main board and having second wiring patterns connected to the first wiring patterns and adapted to be electrically connected to wiring patterns on the main board. The second wiring patterns serve to electrically connect the first wiring patterns of the flexible wiring part to the wiring patterns on the main board. Also included is a conductive adhesion surface formed on the broad connection area along a side of the main board, having a width larger than a width of the first wiring patterns, and extending from an inside of a region to an outside thereof. The region is defined in the broad connection area by extending a boundary of the flexible area into the broad connection area.

Abstract: A display device includes a display panel having display pixels arranged in matrix formation. A first driver circuit sequentially supplies image data to vertical lines of the display panel in synchronism with a first clock signal. A second driver circuit sequentially drives horizontal lines in synchronism with a second clock signal. A control circuit controls a drive timing at which the second driver circuit sequentially drives the horizontal lines so that identical image data equal to one horizontal line is supplied, from the first driver circuit in synchronism with the first clock signal, to two consecutive horizontal lines every N horizontal lines (N is an integer) in accordance with an enlargement ratio at which an image is enlarged in a vertical direction and is displayed on the display panel.