Abstract: An illuminating device capable of being produced at low costs and irradiating rays of light uniformly to a liquid crystal panel. The illuminating device has a plurality of LED packages each having LED's and a lens, the LED packages being congregated on a plane in a large area. Each of the LED packages includes at least four LED's corresponding to LED's for emitting at least red, green and blue, and at least two of the LED's in each LED package are positioned symmetrically to the center of the lens and emit the same color.

Abstract: A liquid crystal display apparatus having a liquid crystal panel including a pair of substrates, a plurality of electrodes formed on at least one of the pair of substrates and a liquid crystal layer sandwiched between the pair of substrates, and a light source provided on one surface of the liquid crystal panel. An electric field in the liquid crystal layer produced by the plurality of electrodes is predominantly in parallel with surfaces of the pair of substrates. The light source has a luminous characteristic with a first chromaticity and the liquid crystal panel has a characteristic of spectral transmittance with a second chromaticity different from the first chromaticity so as to compensate for the color of the light source.

Abstract: A cold-cathode tube has hitherto been used as a backlight for supplying illumination to a liquid crystal television but recently, light emitting diode pieces have been used for a backlight of a large-size liquid crystal television. For the purpose of improving the emission efficiency, flip chip mounting of the light emitting diode piece is advantageous but the mounting yield is restricted by the piece size, electrode structure and wire pattern structure, facing situations having difficulties in realizing simplified mounting and reduction of costs of members. In a liquid crystal display apparatus having a liquid crystal panel, an optical system and a light source, the light source includes a light emitting element structure having positive and negative electrodes, at least one of them being plural, and wires mounted to the positive and negative electrodes through flip chip mounting by making electrical correspondence to individual regions of the positive and negative electrodes.

Abstract: A liquid crystal display has a liquid crystal panel having a liquid crystal layer sandwiched by a pair of substrates, and a backlight unit, wherein a reflective polarizer is arranged between a first substrate and the backlight unit; when ?0 [nm] is defined as a wavelength at which a spectral reflectance R of the reflective polarizer shows the maximum value, the reflective polarizer has such a wavelength ?0 [nm] that the following value R1 obtained by integrating the spectral reflectance with respect to a wavelength ? [nm] between ?0?50 [nm] and ?0+50 [nm]: R1=??0?50?0+50Rd? and the following value R2 obtained by integrating the spectral reflectance with respect to wavelengths between 400 nm and 700 nm: R2=?400700Rd? satisfy the relation of R1/R2>0.4; and the reflective polarizer has a reflection axis in approximately parallel to an absorption axis of a first polarizing plate consumption to greatly improve all the performances, with a simple configuration.

Abstract: The present invention provides a low-cost and highly heat-radiating lighting system and a display apparatus using the same. The lighting system has a plurality of packages, each containing LEDs, lead frames and a transparent sealing material, a heat-radiating substrate and an adhesive layer adapted to bond the packages and the heat-radiating substrate. The lead frames are 0.1 mm or more in thickness. Further, the area of the surfaces of the heat-radiating substrate and the lead frames bonded together via the adhesive layer is 70 mm2 per 1 mm2 area of the LEDs. The display apparatus of the present invention uses the lighting system as the backlight thereof.

Abstract: A liquid crystal display apparatus including: a liquid crystal display element having a liquid crystal layer between a couple of substrates; a backlight apparatus arranged at one side of the couple of substrates; a polarizer arranged between the liquid crystal display element and the backlight apparatus; a luminous intensity distribution control element arranged at the other side of the couple of substrates; an analyzer arranged between the liquid crystal display element and the luminous intensity distribution control element, wherein the luminous intensity distribution control element comprises a transparent base member, a plural lenses arranged on the transparent base member, and a light absorbing layer having small opening portions substantially at focal positions of an individual lens of the plural lenses, and the transparent base member is constituted of a transparent body substantially optically isotropic or a transparent body having uniaxial optical anisotropy.

Abstract: An illumination device is partitioned into a plurality of areas. Rays of light emanating from light sources 203 of individual units are intercepted appropriately by means of a light barrier 204 and the transmission factor at individual positions of a light diffuser 205 is changed in accordance with light flux reaching the light diffuser 205. The transmission factor at individual positions of a liquid crystal panel is controlled in accordance with a luminance unevenness distribution of the illumination device.

Abstract: A liquid crystal display of a vertical alignment (VA) mode using a circular polarization plate is provided which can reduce light leak as observed along an oblique direction and achieve a high contrast ratio. The VA mode uses a liquid crystal layer of vertical alignment in an initial alignment state. A film having generally isotropic optical characteristics in an omnidirection is used as a protective film, on a liquid crystal cell side, of first and second polarization plates disposed outside the liquid crystal cell, and first and fourth retardation films have an Nz coefficient smaller than 1.

Abstract: An IPS-mode liquid-crystal display apparatus for controlling transmission and cutoff of light by applying a cross-directional electric field to liquid-crystal molecules horizontally oriented reduces diagonal luminance rise and coloring at the time of black display by a simple configuration. A configuration is used in which an optical phase compensation member for canceling the double refraction property of a polarization-plate support base material is provided between the liquid-crystal-layer-side support base material of a lower polarizer and a liquid-crystal layer. Or, a configuration is used in which the optical phase compensation for canceling double refraction property of the polarization-plate support base material is provided between the liquid-crystal-layer-side support base material and the liquid-crystal layer.

Abstract: To provide a display device capable of displaying a moving picture with high definition and at high speed. An image display system includes: an image display unit; and a control unit. The control unit has: a block discrimination circuit portion; an image processing portion; a storage portion; and a synchronizing signal generation portion. The block discrimination circuit portion discriminates a moving picture or a still picture to process the image information in accordance with the discriminated result, in which the number of gradations for the image information processed when the discriminated result is the moving picture is lower than when the discriminated result is the still picture. Thereby, the high definition image display and the high speed moving picture display can be effected by reducing the information with lower degree of recognition.

Abstract: A liquid crystal display device includes an illumination device, a light control element arranged at a projected light side of the illumination device, a reflective polarizer arranged at an upper portion of the light control element so that the transmission axis of polarized light is adjusted, a liquid crystal display element for controlling polarization of projected light projected from the reflective polarizer, and a screen arranged at an upper portion of the liquid crystal display element. The light control element includes an isotropic medium without birefringence.

Abstract: A liquid crystal display apparatus includes a liquid crystal display panel having a liquid crystal layer held between a pair of substrates; and a light source, a whose brightness of which is controllable, wherein the liquid crystal display apparatus further includes a unit for generating an image signal with a signal for controlling the liquid crystal layer configured in a display area of a frame-based pixel configuration and with a signal for controlling the light source configured in a blanking interval of the frame-based pixel configuration.

Abstract: A display method can achieve both a substantially high definition image display and high speed dynamic image display. The image displaying method of an image displaying apparatus having a display portion consisting of a plurality of pixels takes each of a predetermined number of pixels as one block unit and forms one screen image for display by combining a region for displaying the same information on a plurality of pixels in one block unit during one scanning period and a region for permitting display of respectively different information on the plurality of pixels in the one block unit.

Abstract: A display method can achieve both a substantially high definition image display and high speed dynamic image display. The image displaying method of an image displaying apparatus having a display portion consisting of a plurality of pixels takes each of a predetermined number of pixels as one block unit and forms one screen image for display by combining a region for displaying the same information on a plurality of pixels in one block unit during one scanning period and a region for permitting display of respectively different information on the plurality of pixels in the one block unit.

Abstract: A thin light source unit employs a plurality of light emitting diode chips in multiple colors to generate highly uniform white light at a low cost and with a high light utilization efficiency. The light source unit has light emitting diode chips, lead frames, and a transparent sealer. A plurality of the light emitting diode chips in the same color are connected in series to three or more sets of the lead frames. The light emitting diode chips in at least three different colors are integrally sealed with the transparent sealer. An illuminating apparatus using the light source units, and a display apparatus using the illuminating apparatus are also provided.

Abstract: A liquid crystal display (LCD) panel with a backlight module including a light-emitting diode (LED)-based illumination device is disclosed. The illumination device includes more than one LED of the waveguide type for use as a light source of the backlight. The LCD panel includes a pair of substrates, a liquid crystal (LC) layer interposed between these substrates, and a polarization plate. Output light of the LED is linearly polarized in advance. A waveguide is arranged for giving off polarized light components from the LED only in a chosen direction to thereby permit incidence in parallel with a polarized light transmission direction of the LCD polarizer plate. The LED is amounted and arranged so that the polarized light transmission direction of the polarizer plate is the same as the polarization direction through an optical system associated therewith.

Abstract: An illuminating apparatus has a reduced number of mounting spots by soldering or the like to permit an increased yield rate and a reduced cost. The illuminating apparatus has light emitting diodes, lead frames, and a transparent sealer. N light emitting diodes, N sets of lead frames mounted with the N light emmitting diodes, and one set or more of lead frames each not mounted with a light emitting diode are sealed by the transparent sealer for integration into a modular illuminating apparatus. Also provided are a method for fabricating the illuminating apparatus, and a display apparatus using the illuminating apparatus.

Abstract: A display unit has a brightness equal to that in a conventional black-and-white reflection type and the power consumption is small at a standby time, and bright color display of high quality can be produced and power consumption is small at the time of use. An information device having this display unit, such as a portable phone, also is provided. The display unit has a color light emitting means, a reflecting mean of external light and a light polarizing state modulating means. The display unit has a driving method switching means for switching color light emitting display and reflection display by on/off control of the light emitting means and switching control of a driving method of a display element.

Abstract: A liquid crystal display apparatus includes a liquid crystal panel including a pair of polarizers, and a back light provided at a back side of said liquid crystal panel. The liquid crystal panel is an active matrix type liquid crystal panel enabling display and has a characteristic of spectral transmittance required to satisfy the following equation, x>y, when a drive voltage is applied thereto so as to vary from a dark state to a light state, in which “x” is a value of the transmittance in the liquid crystal panel at a wavelength which corresponds to one of 490 nm and 500 nm, and “y” is a value of the transmittance in the liquid crystal panel at a wavelength which corresponds to 545 nm.

Abstract: To provide a high-quality liquid crystal display device that does not produce image sticking and that can realize high response speed, a third electrode is provided that is different from a common electrode or a pixel electrode, and a voltage applied to the third electrode is varied within one frame period to drive a liquid crystal using a strong electric field and a uniform horizontal electric field in an initial stage within one frame period, while driving the liquid crystal only with the uniform horizontal electric field in a latter stage within one frame period.