Abstract: A PDP and a method of producing the same are provided. The PDP allows the airtightness of the discharge space to be maintained and prevents its performance from deteriorating while being provided with a sealing part containing P2O5 and SnO. A sealing member that allows such a PDP to be obtained also is provided. The plasma display panel includes a pair of substrates that are disposed opposing each other so that a discharge space is formed therebetween, with peripheries of the pair of substrates being sealed together with a first sealing part. The first sealing part includes a glass composition containing P2O5 and SnO and a refractory filler. The organic matter content in the first sealing part is 10 ppm or less.

Abstract: A plasma display panel of the present invention includes a display electrode (5) and an address electrode (10) that cross each other. At least one selected from the display electrode (5) and the address electrode (10) is covered with a first dielectric layer (6) containing first glass. The first glass contains Bi2O3, and the electrode that is covered with the first dielectric layer (6) contains at least one selected from the group consisting of silver and copper. The first glass further contains 0 to 4 wt % of MoO3 and 0 to 4 wt % of WO3, and the total of the contents of MoO3 and WO3 in the first glass is in a range of 0.1 to 8 wt %.

Abstract: A light source apparatus is provided. The light source apparatus includes: a light-emitting portion; a light-guiding plate having the light-emitting portion disposed at a side surface thereof, light beams being emitted from a top surface of the light-guiding plate; and a light path converting sheet above the light-guiding plate, formed of a prism sheet including cylindrical prisms, a cross-section of which is an isosceles triangle. Each of the prisms includes a light incidence plane that forms a first equilateral constituting an apex angle of the isosceles triangle, a reflection plane that forms a base of the isosceles triangle and a light exit plane that forms a second equilateral constituting the apex angle of the isosceles triangle The prism is disposed such that the light incidence plane is approximately perpendicular to a direction of light beams with highest luminous intensity among the light beams emitted from the top surface of the light-guiding plate.

Abstract: A compressor includes a hermetic container having resonant frequency F, a compression element operable to compress refrigerant, an electric element including a shaft rotating as to drive the compression element at a predetermined operation frequency, and a rolling bearing accommodated in the hermetic container. The rolling bearing supports the shaft rotatably. The rolling element includes plural rolling elements. The predetermined operation frequency of the electric element is different from operation frequency N expressed by a following formula: N=2·F/(n·R) where n=1, 2 and R is a number of the plurality of rolling elements. This compressor is prevented from generating large noise.

Abstract: A hermetic compressor has a hermetic container, a suction pipe, a compressing mechanism and a suction muffler. The suction pipe includes a large diameter part opening to an inside of the hermetic container and a small diameter part connected to an external refrigerating system, and the suction pipe is fixed with the hermetic container. The compressing mechanism is accommodated inside the hermetic container. The suction muffler forms a muffling space communicated with the compressing mechanism. The suction muffler is provided with an inlet opening which communicates the muffling space with an inside space of the hermetic container and faces closely an opening of the large diameter part of the suction pipe.

Abstract: The present invention provides a refrigerant compressor which may assure excellent reliability while using low-viscosity refrigerant. The refrigerant compressor is characterized in that the viscosity of oil stored in hermetic container ranges from VG3 to VG8, and the boiling component at 350 C or over is not less than 10% and not higher than 30% in volume ratio, and the boiling component at 300 C or less is not less than 50% and not higher than 70% in volume ratio. Accordingly, the input reduction at sliding surfaces can be realized, and the lubricant is evaporated, therefore it is possible to prevent defective compression caused by PET (polyethylene phthalate) or the like deposited on the surfaces of the discharge reed and the like, and to enhance the efficiency and reliability.

Abstract: The present invention relates to a backlight apparatus and a liquid crystal display apparatus, capable of realizing a backlight apparatus having high color reproductivity without color irregularities in a backlight apparatus having a LED device as its light source. In the optical unit 61, there are disposed the dichroic mirror B which transmits green light Lg and red light Lr and reflects blue light Lb, the dichroic mirror G which transmits the light Lb and the light Lr and reflects the light Lg, and the dichroic mirror R which transmits the light Lb and the light Lg and reflects the light Lr, and they transmit or reflect the light emitted from the LED devices 11B, 11G and 11R to mix to form the white light Lw. The light Lw formed by the dichroic mirrors B, G and R is entered to the light guiding plate 62 by the mirror performing a total reflection.

Abstract: The present invention relates to a backlight apparatus and a liquid crystal display apparatus, capable of realizing a backlight apparatus having high color reproductivity without color irregularities in a backlight apparatus having a LED device as its light source. In the optical unit 61, there are disposed the dichroic mirror B which transmits green light Lg and red light Lr and reflects blue light Lb, the dichroic mirror G which transmits the light Lb and the light Lr and reflects the light Lg, and the dichroic mirror R which transmits the light Lb and the light Lg and reflects the light Lr, and they transmit or reflect the light emitted from the LED devices 11B, 11G and 11R to mix to form the white light Lw. The light Lw formed by the dichroic mirrors B, G and R is entered to the light guiding plate 62 by the mirror performing a total reflection.

Abstract: A plasma display panel (PDP) is made of front panel (2) and a rear panel. The front panel includes display electrodes (6), dielectric layer (8), and protective layer (8) that are formed on glass substrate (3). The rear panel includes electrodes, barrier ribs, and phosphor layers that are formed on a substrate. The front panel and the rear panel are faced with each other, and the peripheries thereof are sealed to form a discharge space therebetween. Each of display electrodes (6) contains at least silver. Dielectric layer (8) is made of first dielectric layer (81) that contains bismuth oxide and calcium oxide and covers display electrodes (6), and second dielectric layer (82) that contains bismuth oxide and barium oxide and covers first dielectric layer (81).

Abstract: A plasma display panel (PDP) is made of front panel (2) and a rear panel. The front panel includes display electrodes (6), dielectric layer (8), and protective layer (9) that are formed on front glass substrate (3). The rear panel includes electrodes, barrier ribs, and phosphor layers that are formed on a substrate. The front panel and the rear panel are faced with each other, and the peripheries thereof are sealed to form a discharge space therebetween. Each of display electrodes (6) contains at least silver. Dielectric layer (8) is made of first dielectric layer (81) that contains bismuth oxide covering display electrodes (6), and second dielectric layer (82) that contains bismuth oxide covering first dielectric layer (81). The content of bismuth oxide in second dielectric layer (82) is smaller than the content of bismuth oxide in first dielectric layer (81).

Abstract: A light dimming dot pattern is provided for an LCD in which the diameter of dots is changed in a range from approximately 0.16 mm to approximately 0.65 mm depending on the distance of the dots from a fluorescent tube (13) in such a manner that the volume of the shielded light is increased and decreased at a location close to a position overlying the fluorescent tube (13) and at a location remote from the fluorescent tube (13), respectively. In this manner, a light dimming dot pattern with a transmittance for all light rays of approximately 62% (roughly in the vicinity of 62%), higher than the transmittance for all light rays in the conventional technique not higher than 50%, is produced. Consequently, the light of uniform high luminance may be produced without raising the luminance of the fluorescent tube (13), and hence an LCD of high luminance may be realized.

Abstract: A light source apparatus is provided. The light source apparatus includes: a light-emitting portion; a light-guiding plate having the light-emitting portion disposed at a side surface thereof, light beams being emitted from a top surface of the light-guiding plate; and a light path converting sheet above the light-guiding plate, formed of a prism sheet including cylindrical prisms, a cross-section of which is an isosceles triangle. Each of the prisms includes a light incidence plane that forms a first equilateral constituting an apex angle of the isosceles triangle, a reflection plane that forms a base of the isosceles triangle and a light exit plane that forms a second equilateral constituting the apex angle of the isosceles triangle The prism is disposed such that the light incidence plane is approximately perpendicular to a direction of light beams with highest luminous intensity among the light beams emitted from the top surface of the light-guiding plate.

Abstract: A light dimming dot pattern is provided for an LCD in which the diameter of dots is changed in a range from approximately 0.16 mm to approximately 0.65 mm depending on the distance of the dots from a fluorescent tube (13) in such a manner that the volume of the shielded light is increased and decreased at a location close to a position overlying the fluorescent tube (13) and at a location remote from the fluorescent tube (13), respectively. In this manner, a light dimming dot pattern with a transmittance for all light rays of approximately 62% (roughly in the vicinity of 62%), higher than the transmittance for all light rays in the conventional technique not higher than 50%, is produced. Consequently, the light of uniform high luminance may be produced without raising the luminance of the fluorescent tube (13), and hence an LCD of high luminance may be realized.

Abstract: The present invention relates to a backlight apparatus and a liquid crystal display apparatus, capable of realizing a backlight apparatus having high color reproductivity without color irregularities in a backlight apparatus having a LED device as its light source. In the optical unit 61, there are disposed the dichroic mirror B which transmits green light Lg and red light Lr and reflects blue light Lb, the dichroic mirror G which transmits the light Lb and the light Lr and reflects the light Lg, and the dichroic mirror R which transmits the light Lb and the light Lg and reflects the light Lr, and they transmit or reflect the light emitted from the LED devices 11B, 11G and 11R to mix to form the white light Lw. The light Lw formed by the dichroic mirrors B, G and R is entered to the light guiding plate 62 by the mirror performing a total reflection.

Abstract: A plasma display panel of the present invention includes display electrodes and address electrodes that cross each other. The electrode to be covered with the first dielectric layer contains at least one selected from silver and copper. The first glass contains Bi2O3. The first glass further contains 0 to 4 wt % of MoO3 and 0 to 4 wt % of WO3, and the total of the contents of MoO3 and WO3 that are contained in the first glass is in a range of 0.1 to 8 wt %. The first glass may contain, as components thereof: 0 to 15 wt % SiO2; 10 to 50 wt % B2O3; 15 to 50 wt % ZnO; 0 to 10 wt % Al2O3; 2 to 40 wt % Bi2O3; 0 to 5 wt % MgO; 5 to 38 wt % CaO+SrO+BaO; 0 to 4 wt % MoO3; and 0 to 4 wt % WO3, and the total of the contents of MoO3 and WO3 that are contained in the first glass is in the range of 0.1 to 8 wt %.

Abstract: A light dimming dot pattern is provided for an LCD in which the diameter of dots is changed in a range from approximately 0.16 mm to approximately 0.65 mm depending on the distance of the dots from a fluorescent tube (13) in such a manner that the volume of the shielded light is increased and decreased at a location close to a position overlying the fluorescent tube (13) and at a location remote from the fluorescent tube (13), respectively. In this manner, a light dimming dot pattern with a transmittance for all light rays of approximately 62% (roughly in the vicinity of 62%), higher than the transmittance for all light rays in the conventional technique not higher than 50%, is produced. Consequently, the light of uniform high luminance may be produced without raising the luminance of the fluorescent tube (13), and hence an LCD of high luminance may be realized.

Abstract: A light dimming dot pattern is provided for an LCD in which the diameter of dots is changed in a range from approximately 0.16 mm to approximately 0.65 mm depending on the distance of the dots from a fluorescent tube (13) in such a manner that the volume of the shielded light is increased and decreased at a location close to a position overlying the fluorescent tube (13) and at a location remote from the fluorescent tube (13), respectively. In this manner, a light dimming dot pattern with a transmittance for all light rays of approximately 62% (roughly in the vicinity of 62%), higher than the transmittance for all light rays in the conventional technique not higher than 50%, is produced. Consequently, the light of uniform high luminance may be produced without raising the luminance of the fluorescent tube (13), and hence an LCD of high luminance may be realized.

Abstract: A glass composition that is lead-free, and that, when used in a PDP, suppresses coloration of a dielectric layer, a transparent conductive film and a glass substrate, and suppresses reduction in transmittance of the dielectric layer. The glass composition is includes GeO2 0.1-20 wt %, B2O3 3-35 wt %, ZnO 4-45 wt %, Bi2O3 10-80 wt %, is free of PbO, and SiO2 content is not more than 0.5 wt %. It is preferable to further include in the glass composition Al2O3 up to 8 wt % and at least one selected from the group consisting of MgO, CaO, SrO, and BaO, up to 20 wt %.

Abstract: Contact noise occurring continuously in a hermetic electrically driven compressor is reduced.

Abstract: A reciprocating compressor includes a compressing unit placed over a motor unit. A crankshaft, which converts rotating action of the motor unit into reciprocating action of a piston of the compressing unit, has (a) a centrifugal pump prepared at a lower section of the crankshaft, and (b) a pair of spiral pumps that communicate with the centrifugal pump and have leading grooves running in an opposite direction to each other. The crankshaft also includes a pair of eccentric paths at its upper section. The eccentric paths open into an enclosed container and communicate with the spiral pumps respectively. This structure allows producing greater force for transferring lubricant oil regardless of rotating directions of the crankshaft.