Bizarre Patents
A kissing shield comprised of a thin, flexible membrane and a frame or holder.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7420631 | High contrast, wide viewing angle LCD light-switching element A new concept of the normally open LCD light switching element is proposed, which allows for the superior angular compensation for the light attenuation by using a single simple negative bireffingent c-plate compensation layer. The concept is based on the simultaneo... | 09/02/2008 |
| 7400367 | Viewing angle control element, display device, and electronic apparatus The invention provides a viewing angle control element capable of realizing high information concealment without damaging brightness of transmitted light and dynamically changing a viewing angle in accordance with need or no need of information concealment. The view... | 07/15/2008 |
| 7289173 | Polarizing device, and method for manufacturing the same A polarizing element 20 has a first undulating structure in which a plurality of linear first recesses 22 are formed parallel to one another in one surface of a transparent substrate 21, and a dielectric layer 30 made from silicon dioxide... | 10/30/2007 |
| 7209211 | Active matrix type liquid crystal display apparatus 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 provi... | 04/24/2007 |
| 7190416 | Liquid crystal display with touch panel having internal front polarizer A liquid crystal display with a touch panel is described. The liquid crystal display includes a front panel including an internal front polarizer, a liquid crystal layer, and a rear panel including a rear polarizer. A touch transparent panel is secured to the front ... | 03/13/2007 |
| 7084939 | Normally white, supertwist nematic liquid crystal display of reflective type A normally white supertwist nematic liquid crystal display of reflective type is provided. This display comprises a reflector, a layer of chiral nematic liquid crystal having a front aligning surface facing a light source and a rear aligning surface facing the refle... | 08/01/2006 |
| 7079204 | Laminated optical film, elliptically polarizing plate, and image viewing display A laminated optical film comprising an optical film (1) obtained by stretching a polymer film comprising a polycarbonate resin and a styrene resin, wherein a photoelastic coefficient is 2.0×10−11 to 6.0×10−11 m2/N, and a... | 07/18/2006 |
| 7027122 | Bonding apparatus having compensating system for liquid crystal display device and method for manufacturing the same An apparatus for manufacturing a liquid crystal display device includes a vacuum processing chamber having a substrate entrance, an upper stage and a lower stage provided at an interior of the vacuum processing chamber, and a compensation system positioned within th... | 04/11/2006 |
| 7002643 | Liquid crystal shutter A liquid crystal shutter comprises a liquid crystal device including a nematic liquid crystal sealed in between a first transparent substrate and a second transparent substrate on whose inner surfaces are formed respective transparent electrodes, the liquid crystal ... | 02/21/2006 |
| 6989808 | Driving of a liquid crystal display device A liquid crystal display device includes a d.c. voltage source for producing a common voltage such that the common voltage is substantially equal to a central voltage of a bipolar voltage signal. ... | 01/24/2006 |
| 6839103 | Elliptically polarizing plate and liquid crystal display An elliptically polarizing plate, comprising a polarizer, a first optical anisotropic layer having positive refractive index anisotropy and an optical axis of the anisotropy that is tilted, and a second optical anisotropic layer having negative refractive index anis... | 01/04/2005 |
| 6833887 | Liquid crystal shutter and method of driving the same A liquid crystal shutter comprises a liquid crystal device including a nematic liquid crystal sealed in between a first transparent substrate and a second transparent substrate on whose inner surfaces are formed respective transparent electrodes, the liquid crystal ... | 12/21/2004 |
| 6759945 | Variable transmittance birefringent device A variable reflectance mirror employing a super-twisted nematic (STN) liquid crystal cell to control reflectivity. The STN liquid crystal cell includes a layer of STN liquid crystal material formed between a pair of transparent electrodes, where a polymer alignment ... | 07/06/2004 |
| 6734933 | Reflection liquid crystal display capable of displaying pictures in improved color purity A reflection liquid crystal display comprises a first transparent substrate, a second transparent substrate disposed opposite to the first transparent substrate, and a liquid crystal layer sandwiched between the first and the second transparent substrate. A transpar... | 05/11/2004 |
| 6567141 | Liquid crystal display With a liquid crystal display device comprising an STN liquid crystal element (20) comprised of 200° to 260° twist aligned nematic liquid crystal (6) sandwiched between a first substrate (1) thereof, provided with a reflector (7) and first electrodes (3... | 05/20/2003 |
| 6531194 | STN liquid-crystal display The invention relates to supertwist liquid-crystal displays (SLCDs) having very short response times and good steepnesses and angular dependences and to the novel nematic liquid-crystal mixtures employed therein, which are distinguished by the fact that t... | 03/11/2003 |
| 6426785 | Reflective liquid crystal display device A reflective liquid crystal display device of the present invention has the following construction. A transparent electrode is provided via color filter layer on a transparent substrate positioned at the upper side of the device. A metallic reflective ele... | 07/30/2002 |
| 6151088 | Liquid crystal display apparatus A novel liquid crystal display apparatus comprising: a liquid crystal cell having a structure in which a liquid crystal layer is sandwiched between a pair of transparent substrates each having at least one electrode, and liquid crystal molecules in said l... | 11/21/2000 |
| 6055033 | Color liquid crystal display device using polymer and polarization films A color liquid crystal display device comprises a liquid crystal cell and a polymer film. The liquid crystal cell comprises a liquid crystal layer positioned between a pair of transparent substrates, on whose innersides transparent electrodes are provided... | 04/25/2000 |
| 5898520 | Three-dimensional imaging system having a polarizing filter A three-dimensional stereovision imaging system (20) adapted for use with a polarizing filter (22). The inventive system (20) includes a stereovision projector (24) for generating a projection (26) of alternating left and right images. A polarizer (30) po... | 04/27/1999 |
| 5876626 | Supertwist liquid crystal display Supertwist liquid crystal displays having very short switching times are obtained if the nematic liquid crystal mixture contains at least one component chosen from group A consisting of compounds of the formulae AI to AVI: ##STR1## wherein R | 03/02/1999 |
| 5748162 | Low voltage liquid crystal display device A liquid crystal device capable of being driven on a time division basis includes a liquid crystal panel sandwiching a liquid crystal layer having a twisted helical structure and preferably being disposed inside a pair of opposing polarizers, and a drivin... | 05/05/1998 |
| 5730899 | Optically anisotropic film An optically anisotropic film comprising a liquid crystal composition having twisted nematic alignment, characterized in that the helical axis of twisted nematic alignment is substantially parallel to the direction normal to the film plane, and the liquid... | 03/24/1998 |
| 5702640 | High-multiplexed supertwist liquid-crystal display The invention relates to improved high-multiplexed supertwist liquid crystal displays in which each pixel is addressed by orthogonal row waver forms, the improvement wherein the nematic liquid crystal mixture consists essentially of 40-80% by weight of at... | 12/30/1997 |
| 5585950 | STN LCD device displaying multiple colors in response to different voltages which includes a retardation plate A pair of polarizing plates are disposed on two sides of an STN type liquid crystal cell constituted by a liquid crystal twist-aligned at a twist angle of 180° to 270°. A retardation plate is disposed between one of the polarizing plates and the liquid ... | 12/17/1996 |
| 5296955 | Liquid crystal display apparatus with stable contrast against temperature changes A liquid crystal display apparatus has a lamination structure in which an upper polarizer, a phase difference plate, a supertwisted nematic liquid crystal cell sandwiched between upper and lower substrates, a lower polarizer, and a reflection plate are st... | 03/22/1994 |
| 5188758 | Electrooptical display element using a supertwist liquid crystal having specified elastic constants The invention relates to an electrooptical display element which can be multiplexed, has two support plates which, with an edging, form a cell containing a pneumatic liquid crystal material with positive dielectric anisotropy, and at least one chiral addi... | 02/23/1993 |
| 5119220 | Liquid crystal display device with a phase plate for shadow compensation A field effect type liquid crytal display device suitable for use in a high level multiplexing drive, has liquid crystal molecules twisted with an angle from 180° to 350° which are held between two polarizers. The liquid crystal display device generates... | 06/02/1992 |
| 5099345 | Colored liquid-crystal display device having supertwisted nematic liquid crystal and color filters A colored liquid-crystal display device comprising a positive dielectric anisotropy nematic liquid-crystal layer with the dielectric constant anisotropy, the liquid-crystal layer having an optically active substance; a pair of electrode substrates facing ... | 03/24/1992 |
| 5071228 | Black-white liquid crystal display having an insulation layer for blocking the diffusion of sodium ions from the glass of the cell plate to the polyphenylene of the orientation layer A black-white liquid crystal display (10) contains a nematic liquid crystal with a twist of 270° between cell plates. The product of the liquid crystal layer thickness and anisotropy of the refractive index is about 0.38. A pretilt of about 15° is prese... | 12/10/1991 |
| 5058998 | Liquid crystal display devide with a twisted alignment state A liquid crystal device has a pair of substrates having a plurality of electrodes arranged on facing surfaces thereof, aligning films, rubbed in a predetermined direction, for covering the surfaces of the substrates and the surfaces of the electrodes, a n... | 10/22/1991 |
| 5056896 | Liquid crystal display device with dielectric anisotropy Disclosed herein is a liquid crystal display device comprising (1) a liquid crystal cell wherein a liquid crystal layer comprising a liquid crystal component having positive dielectric anisotropy is sandwiched between a pair of substrates having at least ... | 10/15/1991 |
| 5048933 | Transmission type liquid crystal display device There is disclosed the transmission type liquid crystal display device having a high contrast and an excellent achromatic property. The display device comprises a liquid crystal cell, a pair of the polarizing plates and a backlight source, and is characte... | 09/17/1991 |
| 5044735 | Liquid crystal display device for providing sufficiently high contrast ratio and excellent response time There is disclosed a liquid crystal display device which comprises a liquid crystal material aligned between a pair of substrates each having an oriented layer, characterized in that the following conditions (a) to (d) are satisfied: (a) the twisted angle... | 09/03/1991 |
| 5032008 | Liquid crystal display device having optical delay plates This invention discloses a liquid crystal display device including a liquid crystal cell having two substrates, arranged substantially parallel to each other, and having electrodes on their opposing surfaces, and a liquid crystal composition held between ... | 07/16/1991 |
| 4984873 | Liquid crystal display device A liquid crystal display device, comprising: (a) a liquid crystal layer disposed between a pair of light permeable substrates, an alignment of a liquid crystal of said liquid crystal layer being substantially horizontal relative to said substrates in the absen... | 01/15/1991 |
| 4984874 | Liquid crystal display device having retardation films A liquid crystal cell includes first and second substrates arranged to oppose each other, first and second electrodes formed on opposing surfaces of the first and second substrates, respectively, and a liquid crystal composition filled between the first a... | 01/15/1991 |
| 4974940 | Liquid crystal display device A liquid crystal display device consisting essentially of a liquid crystal cell and a pair of the polarizing plates disposed on the both sides of said liquid crystal cells is disclosed. The liquid crystal cell has a liquid crystal layer in which a nematic... | 12/04/1990 |
| 4936654 | Liquid crystal display device A liquid crystal display device has substrates opposed to each other, a nematic liquid crystal layer having a positive dielectric anisotropy and homogeneously oriented to have a twisted structure where liquid crystal molecules are twisted with a twist ang... | 06/26/1990 |
| 4930877 | Liquid crystal display A liquid crystal display includes a pair of substrates and a liquid crystal composition sealed between the substrates. The liquid crystal composition has a twist angle set within a range of 180-300 degrees and a retardation set within a range of 0.45-0.7,... | 06/05/1990 |
