摘要:
The liquid crystal panel of the present invention has a liquid crystal cell having a pair of transparent substrates provided with a color filter having each color region of blue, green and red, and a liquid crystal layer formed by injecting a liquid crystal material between the transparent substrates; an optical compensating layer provided over the liquid crystal cell; and a light source for irradiating light, in which the optical compensating layer cancels out retardation in the thickness direction for light of a wavelength (G), which passes through a green region of the liquid crystal cell, and retardation in the thickness direction for light of a wavelength (R), which passes through a red region of the liquid crystal cell. The liquid crystal panel of the present invention can realize higher contrast in viewing from an oblique direction.
摘要:
There is provided a liquid-crystal display device has at least a liquid-crystal panel which is constituted by a back side substrate having a colored resin substrate with an electrode, a visual side transparent substrate having a transparent electrode, and a reflection type liquid-crystal layer interposed between the visual side substrate and the back side substrate. There is provided a colored resin substrate formed of at least a mixture of a transparent resin and a pigment.
摘要:
An optical film has a transparent film, an adhesive layer provided on one surface of the transparent film, the adhesive layer having a refractive index different by 0.1 or less from that of a layer of the one surface of the transparent film, and a repetitive prismatic structure provided on the other surface of the transparent film, the repetitive prismatic structure having optical path changing slopes aligned in a substantially constant direction at an inclination angle in a range of from 35 to 48 degrees with respect to a plane of the transparent film. Another optical film has a transparent film having an average in-plane retardation of not larger than 30 nm, an adhesive layer provided on one surface of the transparent film, the adhesive layer having a refractive index different by 0.12 or less from that of a layer of the one surface of the transparent film, and the repetitive prismatic structure provided on the other surface of the transparent film. Still another optical film has a transparent film having a refractive index of not lower than 1.49, a transparent adhesive layer provided on one surface of the transparent film, the transparent adhesive means having a refractive index of not lower than 1.49, and the repetitive prismatic structure provided on the other surface of the transparent film.
摘要:
An optical path changing polarizer has a polarizer including a polarizing element and a transparent protective layer disposed on at least one side of the polarizing element, an adhesive layer disposed on one side surface of the polarizer, and a repetitive prismatic structure disposed on the other side of the polarizer. The repetitive prismatic structure includes optical path changing slopes aligned in a substantially constant direction so as to be inclined at an inclination angle of from 35 to 48 degrees with respect to a plane of the polarizer. Each of respective refractive indexes of the adhesive layer and a material for forming the optical path changing slopes is not lower than a refractive index of the polarizing element or the transparent protective layer. The adhesive layer has a refractive index different by 0.1 or less from a refractive index of a surface layer of the one side of the polarizer.
摘要:
A light pipe having a plate-like substance having an upper surface, a lower surface opposite to the upper surface, an incidence side surface, and an end surface opposite to the incidence side surface, the plate-like substance including a light output device formed in the upper surface so that light incident on the incidence side surface is made to exit from the lower surface through the light output device, the light output device being constituted by fine grooves arranged discontinuously so as to face the incidence side surface, each of the fine grooves having a length of not larger than 250 &mgr;m and a depth of not larger than 50 &mgr;m and not larger than ⅕ as large as the length, each of the fine grooves being constituted by a combination of an optical path changing slope inclined to the lower surface at an angle in a range of from 35 to 48 degrees and a steep slope facing the optical path changing slope and inclined to the lower surface at an angle of not lower than 60 degrees. A reflective liquid-crystal display device having a planar light source unit including a light pipe defined above, and a reflective liquid-crystal display panel disposed on the lower surface side of the light pipe.
摘要:
A liquid-crystal display apparatus having a liquid-crystal panel, the liquid-crystal panel including a lower transparent substrate having a transparent electrode on at least one of its opposite surfaces, an upper transparent substrate having a transparent electrode opposite to the transparent electrode of the lower substrate, and liquid crystal held between the lower substrate and the upper substrate, wherein the upper substrate is thicker than the lower substrate. Preferably, the thickness of the lower substrate is not larger than ⅔ as large as the thickness of the upper substrate in order to achieve reduction in thickness and weight more effectively.
摘要:
There is provided a liquid-crystal display device having a transmission type liquid-crystal display panel including a liquid-crystal cell, a light source disposed on at least one side surface of the liquid-crystal display panel, and an optical path changing sheet disposed on a back side opposite to a visual side of the liquid-crystal display panel and having optical path changing slopes. Incident light from the light source is reflected toward the visual side of the liquid-crystal display device.
摘要:
A liquid crystal display apparatus has a light pipe for emitting an incident light coming from the light source from a lower surface via a light emitting means formed on an upper surface, a reflection type polarizer disposed on the lower surface of the light pipe, the reflection type polarizer dividing an incident natural light into a circularly polarized reflected light and a transparent light, and the reflected light being emitted thorough the upper surface of the light pipe, and a liquid crystal shutter disposed on the upper surface of the light pipe, and having a liquid crystal cell and at least one sheet of polarizer.
摘要:
An optical film including a transparent film having a hard coating layer provided on one side thereof, the hard coating layer including a repetitive prismatic structure having formed therein optical-path changing slopes oriented substantially toward certain directions at an angle of 35 to 48 degrees relative to the transparent film, and an adhesive layer laid on the other surface of the transparent film.
摘要:
A method for manufacturing a light guide plate having dots on one surface thereof includes forming an oxide film on a crystal plane of a silicon substrate, forming a resist film on the oxide film, and forming a dot pattern in the oxide film by using the resist film as a mask, anisotropically etching the silicon substrate by using the oxide film as a mask, forming a metal film on the silicon substrate, stripping the metal film off so as to produce a stamper or a replica thereof, and transferring the dots onto a surface of a film or a plastic sheet or plate by using the stamper or the replica.