Abstract: A liquid crystal display device comprises a display panel, at least one signal generator, and a plurality of wires. The display panel has a plurality of input ends to receive data signal. The at least one signal generator has a plurality of output ends to supply the data signal to the input ends of the display panel, respectively. The wires connects the output ends of the at least one signal generator to the input ends of the display panel, respectively, the wires having lengths measured between the output ends of the at least one signal generator and the input ends of the display panel, respectively, the length of the wires being different from each other according to location of the output ends of the at least one signal generator.

Abstract: A liquid crystal display device comprises a display panel, a signal generator, a plurality of wires, and a controller. The display panel includes a plurality of pixel columns, the pixel columns each extending along source lines of the display panel and each having an input end and a plurality of pixels connected to the input end, with the pixels receiving data signal from the input end. The signal generator has a plurality of output ends arranged in a first direction of the signal generator with respect to each other. The wires connect the output ends of the signal generator to the input ends of the pixel columns, respectively. The controller varies voltage waveform of the data signal at the output ends of the signal generator according to location of the output ends of the signal generator.

Abstract: A pump housing of an oil pump includes a suction port that supplies oil to a pump room, a discharge port that discharges oil from the pump room, and a seal portion that suppresses leakage of oil from the pump room to outside of the pump room. A shaft of the oil pump includes a small diameter portion and a large diameter portion having different diameters, the small diameter portion is connected to the inner rotor, and the shaft and the inner rotor integrally rotate. The seal portion is in contact with a side surface of the inner rotor extending in a diameter direction of the shaft, and also extends to a region in the diameter direction on an inner side smaller than the large diameter portion in the diameter direction.

Abstract: The purpose of the present invention is to obtain an ethylene??-olefin?non-conjugated polyene copolymer that has a low permanent compression set at low temperatures, is flexible, and has an excellent balance of rubber elasticity at low temperatures and tensile strength at normal temperatures. This ethylene-based polymer is an ethylene??-olefin?non-conjugated polyene copolymer that includes units derived from ethylene (A), units derived from an ?-olefin (B) containing 4-20 carbon atoms, and units derived from a non-conjugated polyene (C) and satisfies (1)-(4). (1) The molar ratio of (A) to (B) is 40/60-90/10, (2) the contained amount of the units derived from (C) is 0.1-6.0 mol %, (3) ML(1+4) 125° C. is 5-100, and (4) the B value is 1.20 or more.

Abstract: The purpose of the present invention is to obtain an ethylene??-olefin?non-conjugated polyene copolymer that has a low permanent compression set at low temperatures, is flexible, and has an excellent balance of rubber elasticity at low temperatures and tensile strength at normal temperatures. This ethylene-based polymer is an ethylene??-olefin?non-conjugated polyene copolymer that includes units derived from ethylene (A), units derived from an ?-olefin (B) containing 4-20 carbon atoms, and units derived from a non-conjugated polyene (C) and satisfies (1)-(4). (1) The molar ratio of (A) to (B) is 40/60-90/10, (2) the contained amount of the units derived from (C) is 0.1-6.0 mol %, (3) ML(1+4)125° C. is 5-100, and (4) the B value is 1.20 or more.

Abstract: The purpose of the present invention is to obtain an ethylene.?-olefin.non-conjugated polyene copolymer that has a low permanent compression set at low temperatures, is flexible, and has an excellent balance of rubber elasticity at low temperatures and tensile strength at normal temperatures. This ethylene-based polymer is an ethylene.?-olefin.non-conjugated polyene copolymer that includes units derived from ethylene (A), units derived from an ?-olefin (B) containing 4-20 carbon atoms, and units derived from a non-conjugated polyene (C) and satisfies (1)-(4). (1) The molar ratio of (A) to (B) is 40/60-90/10, (2) the contained amount of the units derived from (C) is 0.1-6.0 mol %, (3) ML(1+4)125° C. is 5-100, and (4) the B value is 1.20 or more.

Abstract: A liquid crystal display device comprises a display panel, a signal generator, a plurality of wires, and a controller. The display panel includes a plurality of pixel columns, the pixel columns each extending along source lines of the display panel and each having an input end and a plurality of pixels connected to the input end, with the pixels receiving data signal from the input end. The signal generator has a plurality of output ends arranged in a first direction of the signal generator with respect to each other. The wires connect the output ends of the signal generator to the input ends of the pixel columns, respectively. The controller varies voltage waveform of the data signal at the output ends of the signal generator according to location of the output ends of the signal generator.

Abstract: A liquid crystal display device comprises a display panel, a signal generator, a plurality of wires, and a controller. The display panel includes a plurality of pixel columns, the pixel columns each extending along source lines of the display panel and each having an input end and a plurality of pixels connected to the input end, with the pixels receiving data signal from the input end. The signal generator has a plurality of output ends arranged in a first direction of the signal generator with respect to each other. The wires connect the output ends of the signal generator to the input ends of the pixel columns, respectively. The controller varies voltage waveform of the data signal at the output ends of the signal generator according to location of the output ends of the signal generator.

Abstract: A liquid crystal display device comprises a display panel, a signal generator, a plurality of wires, and a controller. The display panel includes a plurality of pixel columns, the pixel columns each extending along source lines of the display panel and each having an input end and a plurality of pixels connected to the input end, with the pixels receiving data signal from the input end. The signal generator has a plurality of output ends arranged in a first direction of the signal generator with respect to each other. The wires connect the output ends of the signal generator to the input ends of the pixel columns, respectively. The controller varies voltage waveform of the data signal at the output ends of the signal generator according to location of the output ends of the signal generator.

Abstract: A liquid crystal display device includes a display panel, a signal generator, a plurality of wires, and a controller. The display panel has a plurality of pixels. The signal generator supplies data signal to the pixels. The wires connect output ends of the signal generator to input ends of the pixels, respectively. The controller varies at least one of voltage waveform and current waveform corresponding to the data signal at the output ends according to lengths of the wires.

Abstract: A liquid crystal display device includes a display panel, a signal generator, a plurality of wires, and a controller. The display panel has a plurality of pixels. The signal generator supplies data signal to the pixels. The wires connect output ends of the signal generator to input ends of the pixels, respectively. The controller varies voltage waveform corresponding to the data signal at the output ends by varying both a voltage level at a rising edge of the voltage waveform and a voltage level at a falling edge of the voltage waveform.

Abstract: A liquid crystal display device includes a display panel, a signal generator, a plurality of wires, and a controller. The display panel has a plurality of pixels. The signal generator supplies data signal to the pixels. The wires connect output ends of the signal generator to input ends of the pixels, respectively. The controller varies voltage waveform corresponding to the data signal at the output ends by varying both a voltage level at a rising edge of the voltage waveform and a voltage level at a falling edge of the voltage waveform.

Abstract: A polishing method according to the present invention, includes polishing a polishing object containing a silicon material by using a polishing composition containing abrasive grains, a tri- or more polyvalent hydroxy compound and a dispersing medium and having pH of less than 6.0.

Abstract: Provided are a viscosity modifier for lubricating oils for obtaining an additive composition for lubricating oils having excellent fluidity in a wide temperature range from low temperature to high temperature; and said additive composition for lubricating oils. Further provided are a viscosity modifier for lubricating oils for obtaining a lubricating oil composition capable of reducing viscosity in good balance in a wide temperature range from low temperature to high temperature; and said lubricating oil composition. The viscosity modifier for lubricating oils includes an ethylene ?-olefin copolymer (A) which includes 30 to 50 mole % of structural units derived from at least one ?-olefin selected from ?-olefins having 4 and 5 carbon atoms and 50 to 70 mole % of structural units derived from ethylene (with the proviso that the total of all structural units of said copolymer is 100 mole %) and which satisfies specific requirements (a), (b), and (c).

Abstract: A liquid crystal display device includes a display panel, a signal generator, a plurality of wires, and a controller. The display panel has a plurality of pixels. The signal generator supplies data signal to the pixels. The wires connect output ends of the signal generator to input ends of the pixels, respectively. The controller varies at least one of voltage waveform and current waveform corresponding to the data signal at the output ends according to lengths of the wires.

Abstract: Provided are a viscosity modifier for lubricating oils for obtaining an additive composition for lubricating oils having excellent fluidity in a wide temperature range from low temperature to high temperature; and said additive composition for lubricating oils. Further provided are a viscosity modifier for lubricating oils for obtaining a lubricating oil composition capable of reducing viscosity in good balance in a wide temperature range from low temperature to high temperature; and said lubricating oil composition. The viscosity modifier for lubricating oils includes an ethylene ?-olefin copolymer (A) which includes 30 to 50 mole % of structural units derived from at least one ?-olefin selected from ?-olefins having 4 and 5 carbon atoms and 50 to 70 mole % of structural units derived from ethylene (with the proviso that the total of all structural units of said copolymer is 100 mole %) and which satisfies specific requirements (a), (b), and (c).

Abstract: The purpose of the present invention is to obtain an ethylene•?-olefin•non-conjugated polyene copolymer that has a low permanent compression set at low temperatures, is flexible, and has an excellent balance of rubber elasticity at low temperatures and tensile strength at normal temperatures. This ethylene-based polymer is an ethylene•?-olefin•non-conjugated polyene copolymer that includes units derived from ethylene (A), units derived from an ?-olefin (B) containing 4-20 carbon atoms, and units derived from a non-conjugated polyene (C) and satisfies (1)-(4). (1) The molar ratio of (A) to (B) is 40/60-90/10, (2) the contained amount of the units derived from (C) is 0.1-6.0 mol %, (3) ML(1+4)125° C. is 5-100, and (4) the B value is 1.20 or more.

Abstract: An electrophotographic photoreceptor includes a conductive substrate; an organic photosensitive layer that is provided on the conductive substrate; and an inorganic protective layer that is provided on the organic photosensitive layer so as to be in contact with a surface of the organic photosensitive layer, wherein the organic photosensitive layer includes at least a charge transport material and silica particles in a region on the surface side in contact with the inorganic protective layer.

Abstract: An electrophotographic photoreceptor includes a conductive support, an undercoat layer that is provided on the conductive support and that has a thickness of from 15 ?m to 40 ?m and has light transmittance of 20% or less with respect to light having a wavelength of 450 nm when the thickness is at least 15 ?m, a charge generation layer that is provided on the undercoat layer, and a charge transport layer that is provided on the charge generation layer and that has a thickness of from 15 ?m to 40 ?m and has light transmittance of 30% or less with respect to light having a wavelength of 450 nm when the thickness is at least 15 ?m.

Abstract: An image forming apparatus includes at least an electrophotographic photoreceptor having at least a conductive support, an undercoat layer, and a photosensitive layer; a charging device that charges the surface of the electrophotographic photoreceptor in a contact charging mode, in which only DC voltage is applied; an electrostatic latent image forming device that exposes the surface of the charged electrophotographic photoreceptor to form an electrostatic latent image; a developing device that develops the electrostatic latent image by a developer to form a toner image; and a transfer device that directly transfers the toner image from the electrophotographic photoreceptor to a transfer medium; and does not include an erasing device for erasing the surface of the electrophotographic photoreceptor after the toner image is transferred onto the transfer medium by the transfer device and before the surface of the electrophotographic photoreceptor is charged by the charging device.