Today In History
Six-year-old Robert W. Patch granted a patent for a "toy truck".
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 |
| 8039066 | Cellulose acylate film and method for producing same, and retardation film, polarizer, and liquid crystal display device comprising the film A cellulous acylate film in which X-ray diffractive intensity satisfies the following Formulae (I) to (V) and in which a half-value width of the peak at 2θ2 is 2.8° or less as observed in the sectional view in a direction parallel to the transport direc... | 10/18/2011 |
| 8039067 | Cellulose acylate film and method for producing same, and retardation film, polarizer and liquid crystal display device comprising the film A cellulous acylate film in which X-ray diffractive intensity satisfies the following Formulae (I) to (V) and in which a half-value width of the peak at 2θ2 is 2.8° or less as observed in the sectional view in a direction parallel to the transport direc... | 10/18/2011 |
| 7704572 | Adhesive for polarizing plate, polarizing plate, method for producing same, optical film and image display An adhesive for polarizing plate used in order to provide a transparent protective film on at least one surface of a polarizer, comprising a crosslinking agent in the range of more than 30 parts by weight and 46 parts by weight or less relative to 100 parts by weigh... | 04/27/2010 |
| 7655285 | Acrylic pressure sensitive adhesive compositions The present invention relates to acrylic adhesive compositions, and more precisely, acrylic adhesive compositions having improved anti-static capacity without damaging durability, transparency and peel strength which are composed of an acrylic copolymer, a hydrophil... | 02/02/2010 |
| 7641946 | Adhesive film and image display device An adhesive film prevents static charge on peeling generated when removed from an adherend and also improves adhesion between a base material and an adhesive layer, where an under coat layer containing an organometallic is formed on the base material and then an adh... | 01/05/2010 |
| 7569261 | Cellulose acylate film and method for producing same, and retardation film, polarizing plate and liquid crystal display device comprising the film A Cellulose acylate film, in which X-ray diffraction intensity satisfies following formulae and a half-value width of the peak at 2θ2 is greater than 3° and not greater than 7°: 0.40≦Ic2/(Iam2+Ic | 08/04/2009 |
| 7504139 | Optical cellulose acylate film, polarizing plate and liquid crystal display To provide an optical film which exhibits excellent retardation values both in the film plane and along the direction perpendicular to the film plane and shows little change in retardation values depending on environmental factors such as humidity, a liquid crystal ... | 03/17/2009 |
| 7435458 | Optical film and liquid crystal display using the same An optically anisotropic film is disclosed. The film comprises a fatty acid cellulose ester film support having an acetyl group and a propionyl group, and a liquid crystal layer containing a liquid crystal compound, or a resin layer containing polyimide, polyamidoim... | 10/14/2008 |
| 7413766 | Antistatic optical film, method for manufacturing the same and image viewing display An antistatic optical film comprising an antistatic layer laminated on at least one side of an optical film, wherein the antistatic layer comprises a water soluble or a water dispersible conductive polymer, has excellent antistatic effect, optical characteristics an... | 08/19/2008 |
| 7410680 | Retardation film made by using cellulose derivatives The present invention relates to a retardation film obtained by subjecting a film formed from a cellulose derivative to an orientation treatment, wherein a hydroxyl group of cellulose is substituted by at least one kind of aliphatic acyl group having 5 to 20 carbon ... | 08/12/2008 |
| 7342623 | Optical element and liquid crystal display device using the same There are provided a liquid crystal display device, which positively reflects, by a reflecting electrode and a light-shielding layer, light emitted from a backlight and further reflected from a light-shielding layer or a reflecting layer, and recycles the light whil... | 03/11/2008 |
| 7306832 | Cellulose ester film, its manufacturing method, optical retardation film, optical compensation sheet, elliptic polarizing plate, and image display A manufacturing method of a cellulose ester film satisfying the relationships, Nx>Ny>Nz, and 0.8≦Rt/R0≦3.5, the method comprising casting a cellulose ester dope containing a solvent of a good solvent and a poor solvent on a support to form ... | 12/11/2007 |
| 7290404 | Gemstone material The invention provides a gemstone material having therein embedded a plurality of dichroic particles. Methods of producing the gemstone material are also provided. The gemstone material can be provided in the form of a slab, faceted gemstone, or cabochon. ... | 11/06/2007 |
| 7252864 | Optical film for display devices Disclosed is an optical film that comprises certain radiation cured (meth)acrylate binders and, desirably, irregular semicrystalline asymmetric particles. ... | 08/07/2007 |
| 7252733 | Polarizer guarded cover sheet with adhesion promoter The invention generally relates to polymer films used as protective cover sheets for polarizer plates, a method for producing polarizing plates, and a Liquid Crystal Display employing the same. More particularly, the invention relates to a cover sheet composite havi... | 08/07/2007 |
| 7247358 | Laminate controlling curl of hardcoat layer Disclosed is a laminate with a reduced tendency for curling in a hard coat layer. The laminate comprises a transparent substrate and a hard coat layer provided on the transparent substrate. The hard coat layer is formed of a cured product of a composition comprising... | 07/24/2007 |
| 7241480 | Laminate improving slippage of hardcoat layer There is provided a laminate comprising a hard coat layer having the outermost surface to which slipperiness has been imparted. The laminate comprises a transparent substrate and a hard coat layer provided on said transparent substrate. The hard coat layer is... | 07/10/2007 |
| 7236217 | Package of optical films with zero-gap bond outside viewing area The invention is directed to a new packaging method in which several optical films are bundled together before insertion into the display frame. This bundling makes handling of the films easier, reduces the number of steps required for assembly of the display device... | 06/26/2007 |
| 7189447 | Laminates A transparent optical film laminate and a method of making such a laminate. The laminate can include a transparent optical sheet comprising a non-metallic multi-layer optical film sandwiched between first and second bonding sheets. The optical sheet and the bonding ... | 03/13/2007 |
| 7158200 | Optical compensation sheet and liquid crystal display An optical compensation film used for a liquid crystal display comprising a support and an optically anisotropic layer is disclosed. The optically anisotropic layer is a layer on which orientation of the liquid crystalline compound is fixed and the support is an opt... | 01/02/2007 |
| 7153552 | Polarizing plate and display A polarizing plate provided on a surface of a liquid crystal cell of a display, containing a polarizing element, Film A and Film B each provided on each of two surfaces of the polarizing element, wherein: (i) a surface of Film B has an adhesive layer which adheres t... | 12/26/2006 |
| 7125918 | Protective film of a polarizing plate A protective film of a polarizing plate comprising a cellulose ester film, wherein a variation in a weight of the cellulose ester film is 0 to 2% under a keeping condition of 80±5° C. and 90±10% RH for 48 hours. ... | 10/24/2006 |
| 7118786 | Optical compensatory sheet comprising transparent support and optically anisotropic layer An optical compensatory sheet comprises a transparent support and an optically anisotropic layer. The optically anisotropic layer is formed from liquid crystal molecules. Three principal refractive indices of the optically anisotropic layer are different from each o... | 10/10/2006 |
| 7108897 | Dye type polarizing plate This invention relates to a polyvinyl alcohol type polarizing film or plate which comprises a water-soluble dye having the formula (1) in a free acid form or a copper complex salt thereof. The said polarizing plate has excellent polarizing performance capability and... | 09/19/2006 |
| 7070837 | Screen protector A plastic film screen protector that prevents interference patterns from arising when the film touches the screen is described. The advantages are accomplished by the film having a slightly roughened surface so that the majority of the film facing an electronic devi... | 07/04/2006 |
| 7057689 | Liquid crystal display with at least one phase compensation element A liquid crystal display device of the present invention includes: a liquid crystal cell having a pair of substrates and a liquid crystal layer interposed therebetween; a pair of polarizing plates interposing the liquid crystal cell therebetween; and a phase compens... | 06/06/2006 |
| 7041344 | Biaxially oriented polyester film for light-diffusing plate and light-diffusing plate A polyester film which is excellent in uniform light diffusibility, heat-resistant dimensional stability and luminance and suitable as a substrate of a light-diffusing plate of a liquid crystal display device. The film comprises a polyester containing polyethylene-2... | 05/09/2006 |
| 7028634 | Worklight with thermal warning An enhanced built-in visual warning mechanism to caution a user when the surfaces of a worklight are hot. A worklight is shown that has a housing that includes an interior portion for holding a light source such as one or more quartz halogen bulbs. The light source ... | 04/18/2006 |
| 6924010 | Low solution viscosity cellulose triacetate and its applications thereof The invention relates to low solution viscosity cellulose triacetate and methods of making thereof. The invention also relates to films prepared from the low solution viscosity cellulose triacetate and articles containing the low solution viscosity cellulose triacet... | 08/02/2005 |
| 6903561 | Circuitry for measuring mechanical stress impressed on a printed circuit board A circuit for measuring mechanical stress impressed on a printed circuit board includes a number of electrically conductive pads formed on at least one outer surface of the printed circuit board, and a resistive material applied in a pattern to the printed circuit b... | 06/07/2005 |
| 6787202 | Polyester film composite, light-diffuser plate and utilization thereof A polyester film composite material comprising a biaxially oriented polyester film having a thickness of 5 at least 50 gm but not more than 200 gm and an easy-adhesion coating applied onto one or each surface thereof, and having a haze value of less than 2% and a to... | 09/07/2004 |
| 6773767 | Liquid crystal display unit and method for manufacturing the same To provide a liquid crystal display unit without occurrence of abnormal orientation of liquid crystal molecules and deterioration of the image quality and a method for manufacturing the same. Above and below a TFT, light shielding films are disposed and further the ... | 08/10/2004 |
| 6746732 | Triacetyl cellulose film with reduced water transmission property Disclosed is a triacetyl cellulose film comprising (a) an unsubstituted triphenyl phosphate compound and (b) a lower alkyl-substituted triphenyl phosphate ester compound. Such a film exhibits a reduced rate of water vapor transmission. ... | 06/08/2004 |
| 6730374 | Triacetyl cellulose film with reduced water transmission property Disclosed is a triacetyl cellulose film comprising (a) a triphenyl monophosphate compound and (b) an aromatic polyol-bridged polyphosphate compound. Such a film exhibits a reduced rate of water vapor transmission. ... | 05/04/2004 |
| 6623812 | Reflector, method for fabrication thereof and reflective liquid crystal display device incorporating the reflector A reflector is disclosed which enables bright image display with a wide angle of view and can be efficiently fabricated by a a simplified process. The reflector includes a resin layer having at its surface microscopic projections and depressions and forme... | 09/23/2003 |
| 6489377 | Method for producing thermotropic casting resin systems and utilization thereof The invention relates to a method for producing thermotropic casting resin systems that comprise at least one matrix polymer including at least one thermotropic monomer compound which cannot be mixed with the matrix polymer, whereby the matrix polymer an ... | 12/03/2002 |
| 6312772 | Multilayer laminate formed from a substantially stretched non-molten wholly aromatic liquid crystalline polymer and non-polyester thermoplastic polymer Multilayer laminates including films, sheets, preforms, containers and other articles having at least one wholly aromatic, amorphous, stretchable liquid crystalline polymer layer with at least one non-polyester thermoplastic polymer layer are provided as ... | 11/06/2001 |
| 6294231 | Optically anisotropic film, method of manufacturing the same, and liquid crystal display apparatus An optically anisotropic film obtained from a mixture comprising a polymer and a liquid crystal compound, wherein retardation of the optically anisotropic film at 80° C., 60° C. or 0° C. measured from a normal direction is 20-97%, 20-99% or 101-150%, r... | 09/25/2001 |
| 6017594 | Writing instruments with thermochromic liquid crystal coatings Writing instruments are provided with thermochromic liquid crystal coatings which may be covered by acrylic polymer coatings. The underlying coatings are protected by an outer protective barrier lacquer coating.... | 01/25/2000 |
| 5997964 | Liquid crystal display A liquid crystal display and method of making. The display includes a layer of support material stabilizing a layer of liquid crystal material in dimensional thickness and uniformity. The invention is particularly well suit for making heat-sensitive displ... | 12/07/1999 |
