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1112results about "Optical/shielding arrangements" patented technology
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Plasma display panel having high brightness and high contrast using light absorption reflection film
InactiveUS7323819B2Effective reflectionAlternating current plasma display panelsCold-cathode tubesElectrode pairDielectric layer
Owner:SAMSUNG SDI CO LTD
External light-shielding layer, filter for display device including the external light-shielding layer and display device including the filter
InactiveUS20060250064A1Increase contrastPrevent a Moire phenomenonIncadescent screens/filtersDischarge tube luminescnet screensTransmittanceDisplay device
An external light-shielding layer capable of enhancing a visible light transmittance and a contrast ratio and preventing Moire fringe and Newton ring phenomena, a display filter including the external light-shielding layer, and a display device including the display filter. The external light-shielding layer includes a transparent resin matrix, and a plurality of light-shielding patterns formed on the transparent resin matrix and spaced apart from each other in a predetermined interval, wherein a bias angle (α) formed between a traveling direction of the light-shielding patterns and the longer side of the matrix is in a range of about 5 to 80 degrees.
Owner:ASAHI GLASS CO LTD
Electromagnetic-wave shielding and light transmitting plate
InactiveUS6262364B1Improve efficiencySimple processCathode-ray/electron-beam tube vessels/containersMagnetic/electric field screeningEngineering
An electromagnetie-wave shielding and light transmitting plate suitable for an electromagnetic-wave shielding filter for a PDP, which has good electromagnetic-wave sheilding efficiency and light transparency, can provide distinct pictures, and can yet be easily made, is provided. The electromagnetic-wave shielding and light transmitting plate is formed of two transparent base plates and an adhesive layer made of EVA in which conductive particles are dispersed and mixed. The base plates are integrally bonded together by the adhesive layer. Adjusting the particle size and the dispersed amount of the conductive particles enables the manufacture of plates having desired electromagnetic-wave shielding efficiency, in addition, good light transparency, without moire phenomenon. Using an adhesive sheet formed by mixing the conductive particles into the EVA facilitates the manufacture of the aforementioned plate.
Owner:BRIDGESTONE CORP
Front filter, and plasma display apparatus having the same
InactiveUS7242136B2Reduce brightnessIncrease brightnessIncadescent screens/filtersOptical filtersEngineeringTouchscreen
The present invention relates to a front filter having a touch screen, and a plasma display apparatus having the same. The front filter installed on a front surface of a panel of a plasma display apparatus, the front filter including: a touch screen for generating a coordinate signal with respect to a touch point.
Owner:LG ELECTRONICS INC
Display filter and display device including the same
InactiveUS20060145578A1Simple structureImprove contrast ratioIncadescent screens/filtersCathode-ray/electron-beam tube vessels/containersTransmittanceDisplay device
A display filter capable of enhancing the visible light transmittance and contrast ratio for a bright room condition and a display device including the same. The display filter includes a filter base, and an external light-shielding layer, disposed on a surface of the filter base, including a matrix made of a transparent resin and a plurality of wedge-shaped black stripes arranged parallel to each other at a surface of the matrix.
Owner:ASAHI GLASS CO LTD
Flat display panel, mother substrate for flat display panel, and method of manufacturing the flat display panel
ActiveUS20120099061A1Solid-state devicesVessels or leading-in conductors manufactureBlack matrixElectrical and Electronics engineering
A flat display panel includes a first substrate and a second substrate, and the first and second substrates are sealed via a sealing member therebetween. The second substrate includes a display region and a non-display region. The display region and the non-display region include black matrix patterns, and the black matrix patterns have at least one opening in a sealing region of the second substrate. The sealing member is arranged in the sealing region
Owner:SAMSUNG DISPLAY CO LTD
Color filter and electro-optical device
InactiveUS6887631B2Difference in qualityEvenly distributedAddress electrodesSustain/scan electrodesTectorial membraneColor gel
Owner:KATEEVA
Photo-curable electrically conductive composition and plasma display panel having electrodes formed by use of the same
There is provided a photo-curable, electrically conductive composition which is capable of forming a lower layer (black layer) electrode circuit satisfying both the sufficient conductivity and blackness after calcination in the formation of an electrode on a front substrate of a plasma display panel (PDP). The composition comprises, in the first fundamental mode thereof, (A) electrically conductive black fine particles having a specific surface area of more than 20 m2 / g,(B) anorganic binder, (C) a photopolymerizable monomer, and (D) a photopolymerization initiator, and in the second mode further comprises (E) inorganic fine particles besides the above components. The lower layer (black layer) electrode circuit of bus electrodes (4a, 4b) of the PDP is formed by applying such a photo-curable, electrically conductive composition on transparent electrodes (3a, 3b) of a front glass substrate (1), exposing the applied layer to light according to a predetermined pattern, and subjecting the layer to development and calcination.
Owner:TAIYO INK MFG
Plasma display apparatus
InactiveUS20050243106A1Easy to takeImprove cooling effectCathode-ray tube indicatorsSolid cathode detailsEngineeringWall mount
A plasma display apparatus is capable of enhancing the heat dissipating ability of a plasma display panel, and of reducing the total weight of the plasma display apparatus. The plasma display apparatus comprises a plasma display panel, a frame to which the plasma display panel is attached and by which the plasma display panel is supported, and a boss plate fixed to a rear surface of the frame and fitted with driving circuit boards. The frame is formed in the shape of a rectangular frame which contacts edges of the plasma display panel. A vertical member is vertically disposed in the rectangular frame. The vertical member has wall-mounted bosses which support the total weight of the plasma display apparatus. Other features include a thermally conductive member formed on the rear surface of the frame, and formation of an air passage between the thermally conductive member and the driving circuit boards.
Owner:SAMSUNG SDI CO LTD
Electroconductive laminate, electromagnetic wave shielding film for plasma display and protective plate for plasma display
InactiveUS20080174872A1Improve conductivitySmall resistivityMagnetic/electric field screeningLayered productsChemical compoundRefractive index
An electroconductive laminate comprising a substrate and an electroconductive film formed on the substrate, wherein the electroconductive film has a multilayer structure having a high refractive index layer containing an inorganic compound and a metal layer alternately laminated from the substrate side in a total layer number of (2n+1) (wherein n is an integer of from 1 to 12); the refractive index of the inorganic compound is from 1.5 to 2.7; the metal layer is a layer containing silver; the total thickness of all metal layer(s) is from 25 to 100 nm; and the resistivity of the electroconductive film is from 2.5 to 6.0 μΩcm.
Owner:ASAHI GLASS CO LTD
Protective plate for a plasma display and a method for producing the same
InactiveUS6452331B1Magnetic/electric field screeningStatic indicating devicesElectricityDisplay device
Owner:ASAHI GLASS CO LTD
Near infrared ray shielding film
InactiveUS20030186040A1Easy to operateHigh light transmittanceTelevision system detailsNon-fibrous pulp additionPolyesterInfrared
A near infrared screening film which consists of a biaxially oriented film made from a polyester containing a near infrared light absorber having a weight reduction start temperature of at least 280° C. and which has a haze value of 5% or less and a total transmittance for visible lights having a wavelength of 400 to 650 nm of 40% or more and which is exemplified by having optical properties at visible and near infrared ranges which satisfy the following expressions (1) to (4): 1<T(850)<20 (1) 1<T(950)<20 (2) -10<T(620)-T(540)<10 (3) -10<T(450)-T(540)<10 (4) wherein T(450), T(540), T(620), T(850) and T(950) are light transmittances at wavelengths of 450 nm, 540 nm, 620 nm, 850 nm and 950 nm, respectively. This film is inexpensive, has high handling ease, a high visible light transmittance and the function of preventing the malfunction of peripheral equipment caused by near infrared lights from the screen of a plasma display, for example, and can be suitably used in the front panel of the plasma display.
Owner:TEIJIN LTD
Display device employing gas discharge tubes arranged in parallel between front and rear substrates to comprise a display screen, each tube having a light emitting section as part of the display screen and a cleaning section connected to the light emitting section but displaced from the display screen
InactiveUS7049748B2Deterioration of discharge characteristic is preventedInhibit deteriorationAddress electrodesSustain/scan electrodesFluorescencePhosphor
A gas discharge tube has a phosphor layer formed and a discharge gas enclosed within an elongated tube which is to serve as the gas discharge tube. The gas discharge tube includes a light-emitting section and a cleaning section for cleaning the discharge gas. The cleaning section is connected to the light-emitting section.
Owner:SHINODA PLASMA
Light transmitting electromagnetic wave shielding film, optical filter and plasma display panel
InactiveUS20090052017A1Increased durabilityImprove conductivityMirrorsMagnetic/electric field screeningEmulsionElectromagnetic shielding
To provide a light transmitting electromagnetic wave shielding film which achieves both of excellent electromagnetic wave shielding properties and an excellent near infrared ray cutting function.A light transmitting electromagnetic wave shielding film has a metallic silver part and a light transmitting part, which are formed by exposing an emulsion layer containing a silver salt emulsion formed on a support and then developing, wherein the light transmitting electromagnetic wave shielding film has infrared ray shielding properties.
Owner:FUJIFILM CORP
Flat display panel with a front protection plate
A flat display panel comprising a flat display panel main body, and a front protective plate which comprises an antireflection layer, a translucent electrically conductive layer, containing a metal having an electromagnetic wave shielding property and a near infrared ray shielding property, a highly rigid transparent substrate made of a tempered glass or a semi-tempered glass and an adhesive layer laminated in this order, bonded to the viewer's side surface of the flat display panel main body by means of the adhesive layer.
Owner:ASAHI GLASS CO LTD
Plasma display apparatus
InactiveUS7457120B2Improve cooling effectReduce weightCathode-ray tube indicatorsSolid cathode detailsEngineeringWall mount
A plasma display apparatus is capable of enhancing the heat dissipating ability of a plasma display panel, and of reducing the total weight of the plasma display apparatus. The plasma display apparatus comprises a plasma display panel, a frame to which the plasma display panel is attached and by which the plasma display panel is supported, and a boss plate fixed to a rear surface of the frame and fitted with driving circuit boards. The frame is formed in the shape of a rectangular frame which contacts edges of the plasma display panel. A vertical member is vertically disposed in the rectangular frame. The vertical member has wall-mounted bosses which support the total weight of the plasma display apparatus. Other features include a thermally conductive member formed on the rear surface of the frame, and formation of an air passage between the thermally conductive member and the driving circuit boards.
Owner:SAMSUNG SDI CO LTD
Front filter for plasma display and plasma display
InactiveUS20100177397A1Effective preventionImprove image contrastIncadescent screens/filtersMagnetic/electric field screeningPolyesterDisplay device
A front filter for a plasma display that is mainly used as a TV display. The front filter has an anti-glare function which is capable of effectively preventing reflection concurrently with achieving black color reproduction, and a functional layer for imparting a function required of an image display device such as a light absorbing function and / or an adhesion function. This front filter has an anti-glare layer having a concavo-convex shape on an outermost surface thereof, a polyester film and a functional layer. The anti-glare layer is disposed on the observer-side surface of the front filter; at least one functional layer is disposed on the display device side.
Owner:DAI NIPPON PRINTING CO LTD
Optically transparent electromagnetic interference (EMI) shields for direct-view displays
InactiveUS20070127129A1Cathode ray tubes/electron beam tubesMagnetic/electric field screeningOptical radiationElectromagnetic interference
Electromagnetic Interference (EMI) shields for a direct-view display having a direct-view display panel and an outer panel that provides an outer surface for the direct-view display. These EMI shields include a conductive mesh having an array of gaps therein. The conductive mesh is configured to shield at least some of the EMI that is emitted by the direct-view display panel. An optical redirecting structure is also included, that is configured to redirect at least some optical radiation that is emitted from the direct-view display panel that would strike the conductive mesh, through the gaps in the conductive mesh. The EMI shield is configured to mount between the direct-view display panel and the outer panel such that the optical redirecting structure is adjacent the direct-view display panel and the conductive mesh is remote from the direct-view display panel.
Owner:BRIGHT VIEW TECHNOLOGIES CORPORATION
Polyester film for display
InactiveUS6921580B2Low UV transmittanceImprove light resistanceOptical filtersSynthetic resin layered productsPolyesterOptical transmittance
The present invention relates to a polyester film for display comprising:a polyester film substrate containing an ultraviolet light absorber; anda coating layer formed on at least one surface of said polyester film substrate,said polyester film having a haze of not more than 2.0% and a light transmittance at 380 nm of not more than 5.0%.
Owner:MITSUBISHI CHEM CORP
Plasma display filter with a dielectric/metallic layer stack of at least eleven layers
InactiveUS20060055308A1Discharge tube luminescnet screensMagnetic/electric field screeningColor shiftAlloy
A plasma display filter includes five metallic layers, such as silver alloy layers, having a combined thickness that exceeds 50 nm. The metallic layers form an alternating pattern with dielectric layers, where the layer in the pattern closest to a supporting substrate is the first of the dielectric layers. Layer thicknesses are selected to achieve a low reflected color shift with changes in the viewing angle, relatively neutral transmitted color properties, and desirable shielding characteristics with respect to infrared and electromagnetic radiation.
Owner:SOUTHWALL TECH INC
Plasma display panel and plasma display device
InactiveUS6856305B2Increase in minimum sustain pulse voltageAddress electrodesSustain/scan electrodesPotential differenceDisplay device
A discharge inert film (22) is made of an aggregate of fine particles not substantially containing any inorganic binder. Each of sustain discharge electrodes (XB, YB) includes a plurality of discharge gap adjoining portions (a), a bus portion (b) and a plurality of bridge-building portions (c). The bus portion (b) adjoins the electrode pair gap portion (NG), extending along a second direction (D2). Each of bridge-building portions (c) extends towards a discharge gap portion (DG). The bridge-building portions (c) are connected to the discharge gap adjoining portions (a), respectively, and these adjoining portions (a) adjoin the discharge gap portion (DG) and are arranged therealong. The film (22) is so disposed as not to cover the discharge gap adjoining portions (a). When a surface discharge is generated between the sustain discharge electrodes (X, Y) during a reset period, the potential difference between the electrodes (X, Y) is gradually increased.
Owner:MITSUBISHI ELECTRIC CORP
Contrast enhancement films for direct-view displays and fabrication methods therefor
InactiveUS20070127098A1EMI suppressionCathode ray tubes/electron beam tubesStatic indicating devicesEngineeringContrast enhancement
Contrast enhancement films for a direct-view display include a substrate having first and second opposing sides, an array of optical microstructures on the first side, and an optically blocking film including an array of apertures on the second side. The contrast enhancement film is configured to mount between a direct-view display panel and an outer panel of the direct-view display.
Owner:BRIGHT VIEW TECHNOLOGIES CORPORATION
Plasma display panel including barrier ribs and method for manufacturing barrier ribs
InactiveUS20040000873A1Increase contrastImprove efficiencyAddress electrodesSustain/scan electrodesEngineeringProtection layer
The present invention provides a plasma display panel and a method for manufacturing barrier ribs for the plasma display panel. The plasma display panel includes first and second substrates that have a predetermined gap therebetween. A plurality of parallel address electrodes are formed on the first substrate. A dielectric layer is formed on the first substrate covering the address electrodes and barrier ribs are formed on the dielectric layer in a lattice pattern. Discharge sustain electrodes are formed on the second substrate which is perpendicular to the address electrodes, and a transparent dielectric layer and a protection layer are formed on the second substrate covering the discharge sustain electrodes. The barrier ribs are, for example, first and second barrier rib members which are formed respectively in the same direction as the address electrodes and the discharge sustain electrodes. Either or both the first barrier rib members or the second barrier rib members are made of a non-transparent material.
Owner:SAMSUNG SDI CO LTD
Plasma display panel and field emission display
ActiveUS20080129184A1Improve anti-reflection functionLight is diffusedDischarge tube luminescnet screensCathode-ray/electron-beam tube vessels/containersVisibilityDisplay device
It is an object to provide a plasma display and a field emission display that each have high visibility and an anti-reflection function that can further reduce reflection of incident light from external. Reflection of light can be prevented by having an anti-reflection layer that geometrically includes a plurality of adjacent pyramidal projections. In addition, a plurality of hexagonal pyramidal projections, each of which is provided with a protective layer formed of a material having a lower refractive index than a refractive index of the pyramidal projection so as to fill a space among the plurality of pyramidal projections, can be provided to be packed together without any spaces. Further, six sides of a pyramidal projection face different directions with respect to a base. Therefore, light can be diffused in many directions efficiently.
Owner:SEMICON ENERGY LAB CO LTD
Plasma display module having filtering film and plasma display apparatus including plasma display module
InactiveUS20060061945A1Reduce displayImproved grounding structureDigital data processing detailsAlternating current plasma display panelsEngineeringPlasma display
A plasma display module having a filtering film and adapted for use with a plasma display apparatus includes: a Plasma Display Panel (PDP), a chassis base including a front side adapted to be connected to the PDP and a rear side provided with a circuit board for the PDP, and a filtering film arranged on a front side of the PDP.
Owner:SAMSUNG SDI CO LTD
Display filter, display device including the display filter, and method of manufacturing the display filter
InactiveUS20050253493A1Increase contrastImprove shielding effectDiffusion transfer processesCathode-ray/electron-beam tube vessels/containersDisplay deviceElectromagnetic shielding
A display filter for use with a plurality of microlenses in a display system includes an external light and electromagnetic (EM)-shielding portion having a photosensitive transparent resin layer with a photocatalyst, and an external light and EM-shielding pattern formed on regions of the photosensitive transparent resin layer to prevent external light from entering the display system and to prevent EM waves generated in the display device from exiting the display device, the regions corresponding to boundaries between the plurality of microlenses.
Owner:SAMSUNG ELECTRONICS CO LTD +1
Plasma display panel and manufacturing method thereof
InactiveUS6838828B2Simple manufacturing processIncrease brightnessTube/lamp screens manufactureAddress electrodesEngineeringBrightness perception
The present invention relates to plasma display panel and manufacturing method thereof to simplify the manufacturing steps and reduce cost of production. In the present invention, a black layer formed between a transparent electrode and a bus electrode is formed together with a black matrix at the same time. In this case, the black layer is formed together with the black matrix in one. Cheap nonconductive oxide is used as a black powder of a black layer. Specifically, in case the black layer and the black matrix are formed in one, the bus electrode is shifted to a non-discharge area to improve the brightness of the plasma display panel.
Owner:LG ELECTRONICS INC
Plasma display panel
InactiveUS20050001551A1Maximize discharge efficiencyImprove efficiencyAddress electrodesSustain/scan electrodesPhosphorPlasma display
A plasma display panel. A first substrate and a second substrate are provided opposing one another with a predetermined gap therebetween. Address electrodes are formed on the second substrate. Barrier ribs are mounted between the first substrate and the second substrate, the barrier ribs defining a plurality of discharge cells and a plurality of non-discharge regions. Phosphor layers are formed within each of the discharge cells. Discharge sustain electrodes are formed on the first substrate. The non-discharge regions are formed in areas encompassed by discharge cell abscissas that pass through centers of adjacent discharge cells and discharge cell ordinates that pass through centers of adjacent discharge cells, the non-discharge regions having a width that is at least as large as a width of an end of barrier ribs. Also, a transverse barrier rib is formed extending between each pair of adjacent rows of discharge cells.
Owner:SAMSUNG SDI CO LTD
Display panel module
InactiveUS20050017620A1Effective shieldingPrevent contrast deteriorationIncadescent screens/filtersMagnetic/electric field screeningComputer moduleEngineering
Disclosed is a display panel module including: a display panel; a film type front filter formed on the display panel for being combined with the display panel; and a ground electrode coupled to an EMI shielding film of the film type front filter and upwardly bent to encompass at least one side of the film type front filter, and thereby preventing the emission of electromagnetic waves to outside.
Owner:LG ELECTRONICS INC
Near infrared ray shielding film
InactiveUS6991849B2Easy to operateHigh visible light transmittanceTelevision system detailsNon-fibrous pulp additionPolyesterInfrared
A near infrared screening film which consists of a biaxially oriented film made from a polyester containing a near infrared light absorber having a weight reduction start temperature of at least 280° C. and which has a haze value of 5% or less and a total transmittance for visible lights having a wavelength of 400 to 650 nm of 40% or more and which is exemplified by having optical properties at visible and near infrared ranges which satisfy the following expressions (1) to (4):1<T(850)<20 (1)1<T(950)<20 (2)−10<T(620)−T(540)<10 (3)−10<T(450)−T(540)<10 (4)wherein T(450), T(540), T(620), T(850) and T(950) are light transmittances at wavelengths of 450 nm, 540 nm, 620 nm, 850 nm and 950 nm, respectively.This film is inexpensive, has high handling ease, a high visible light transmittance and the function of preventing the malfunction of peripheral equipment caused by near infrared lights from the screen of a plasma display, for example, and can be suitably used in the front panel of the plasma display.
Owner:TEIJIN LTD
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