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1534 results about "Cathode Ray Tube Display" patented technology
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The cathode ray tube (CRT) is a vacuum tube that contains one or more electron guns and a phosphorescent screen, and is used to display images. It modulates, accelerates, and deflects electron beam(s) onto the screen to create the images.
Display control device
InactiveUS20040196212A1Cathode-ray tube indicatorsDigital output to display deviceLiquid-crystal displayData signal
A display control device comprises: a cathode ray tube (CRT) control unit for transferring, to a CRT display, a CRT transfer clock signal, a video data signal and a synchronous signal in accordance with the CRT transfer clock signal generated from a first clock signal having a constant and stable cycle; and a liquid crystal display (LCD) control unit for transferring, to a LCD display, a LCD transfer clock signal, a video data signal and a synchronous signal in accordance with the LCD transfer clock signal generated from a second clock signal as a spread spectrum clocking signal generated based on the first clock signal.
Owner:FUJITSU LTD
Display device
ActiveUS6940221B2Reduce harmImprove extinctionDischarge tube luminescnet screensLamp detailsRare-earth elementFluorescence
The present invention can further enhance the light emission characteristics of phosphor excited by the irradiation of electron beams of high density. In a cathode ray tube including a phosphor film, a faceplate panel which constitutes a screen, an aluminum vapor-deposited film, a funnel and an electron gun, phosphor which constitutes the phosphor film applied to the faceplate panel is constituted of a terbium activated phosphor which is produced by substituting a portion of yttrium (Y) in base material crystals which contain zinc (Zn), yttrium (Y), silicon (Si) and oxygen (O) as main constitutional elements with terbium ion (Tb3+) and a trace amount of rare earth element ion is added to the terbium activated phosphor.
Owner:PANASONIC LIQUID CRYSTAL DISPLAY CO LTD +1
Silicon Nitride Powder for Siliconnitride Phosphor, CaAlSiN3 Phosphor Using Same, Sr2Si5N8 Phosphor Using Same, (Sr, Ca)AlSiN3 Phosphor Using Same, La3Si6N11Phosphor Using Same, and Methods for Producing the Phosphors
Provided are: a silicon nitride powder for siliconitride phosphors with higher luminance, which can be used for a fluorescent display tube (VFD), a field emission display (FED), a plasma display panel (PDP), a cathode ray tube (CRT), a light emitting diode (LED), and the like; a CaAlSiN3 phosphor, an Sr2Si5N8 phosphor, an (Sr, Ca)AlSiN3 phosphor and an La3Si6N11 phosphor, each using the silicon nitride powder; and methods for producing the phosphors. The present invention relates to a silicon nitride powder for siliconitride phosphors, which is characterized by being a crystalline silicon nitride powder that is used as a starting material for producing a siliconitride phosphor that includes silicon element and nitrogen element but does not contain oxygen element as a constitutent element, and which is characterized by having an oxygen content of 0.2% by weight to 0.9% by weight; a CaAlSiN3 phosphor, an Sr2Si5N8 phosphor, an (Sr, Ca)AlSiN3 phosphor and an La3Si6N11 phosphor, each using the silicon nitride powder; and methods for producing the phosphors.
Owner:UBE IND LTD
Polythiophene-based conductive polymer liquid composition of high conductivity and transparency
Disclosed are polythiophene-based conductive polymer liquid compositions of high conductivity and transparency. The compositions comprise 16-32 weight % of an aqueous polythiophene-based conductive polymer solution, 52-80 weight % of an alcohol solvent, 1-12 weight % of an amide solvent, 0.01-0.4 weight % of a sulfonic acid group-containing monomer dopant, and optionally 2-8 weight % of an alkoxysilane. The compositions can be applied to transparent substrates to form coatings which have a surface resistance of 1 kOMEGA / square or less and a transmittance of 92% or higher. With the excellent conductivity and transparency, the compositions are useful as electromagnetic wave-shielding materials, finding numerous applications in cathode ray tube screens (TV sets and computer monitors) as well as CPP films, polyethyleneterephthalate films, polycarbonate panels, and acryl panels.
Owner:CHEIL IND INC
Magnesium barium thioaluminate and related phosphor materials
A phosphor and a method of deposition. The phosphor comprises a composition of the formula M'aBa1-aM''2M'''4':RE, where M' is at least one element selected from magnesium and calcium, M'' is at least one element selected from aluminum, gallium and indium, M''' is at least one element selected from sulphur, selenium and tellurium, RE is at least one rare earth element, especially europium or cerium, and 0<a<1. Deposition is preferably by dual source electron beam deposition. The phosphor may be annealed. The phosphor provides a high luminosity blue emission that does not require an optical filter to achieve acceptable colour coordinates for the blue sub-pixel element for a full colour thin film or thick film electroluminescent display. The blue sub-pixel pixel performance meets the luminosity and colour temperature specifications for current generation cathode ray tube displays.
Owner:IFIRE TECH INC
Method and apparatus for monitoring work center operations
InactiveUS6972761B1Easy to understandDrawing from basic elementsSpecial service for subscribersLiquid-crystal displayDisplay device
A work center monitoring system includes an output device, such as a cathode ray tube (CRT), liquid crystal display (LCD), or other display device and a display controller. The controller formats work center information to be displayed on the output device as single-valued and multi-valued display segments. Each segment displays information related to work center activities, which may be categorized as various skills. The displays may be provided to a work center supervisor to assist in the management of a work center, such as a contact and fulfillment center. Current and historical values of the parameters may be displayed, simultaneously, or in sequence. The values of the displayed parameters may be different types, such as any of a variety of numerical representations which might represent the number of calls in one or more queues, or the oldest call in a queue, for example. The values may be indicative of the elapsed time for servicing the oldest call in a queue, or other indications of time. The information being displayed may derive from a number of sources such as a work center management database, directly from a call management system, or from some other source. In accordance with the principles of the invention, the displayed parameter representations include indicia of “permissible” parameter values. One such indicator might be an “I-beam” glyph that indicates the highest and lowest acceptable values for a particular parameter. The area immediately surrounding such an “I-beam” glyph may include further indicia, such as graduated zones of acceptability.
Owner:AVAYA INC
Glass for cathode-ray tube, strengthened glass, method for the production thereof and use thereof
InactiveUS20010049327A1High strengthImprovement factorCathode-ray/electron-beam tube vessels/containersAlkali metal oxidePhysical chemistry
Disclosed are a glass for a cathode ray tube which glass can be decreased in thickness and weight, a glass panel for a cathode ray tube, a cathode ray tube and methods for producing them. Further disclosed are a strengthened glass having a high bending strength and a thick stress-strain layer, a glass for a display which glass is made of the strengthened glass, particularly, a glass panel for a cathode ray tube and a cathode ray tube. The present invention provides (1) a glass for a cathode ray tube which glass is made of a chemically strengthened glass and has a Young's modulus of at least 90 GPa, (2) a glass for a cathode ray tube, which is a chemically strengthened glass from a matrix glass which comprises SiO2, Al2O3, an alkali metal oxide, SrO and ZrO2 and has an Al2O3 content of more than 4% by weight but not more than 20% by weight and an SrO content of 5 to 20% by weight, and (3) a strengthened glass formed by chemical strengthening of a physically strengthened matrix glass at a temperature lower than the strain temperature of the matrix glass.
Owner:HOYA CORP
Preparation method of cobalt blue and clay mineral hybrid pigment
ActiveCN105199435ALow costReduce manufacturing costPigment physical treatmentClay mineralsCobalt blue
The invention relates to a preparation method of a cobalt blue and clay mineral hybrid pigment and belongs to the technical field of preparation of nano-spinel hybrid pigments. A hybridization precursor is prepared with a co-precipitation technique with Co(III) salt and Al(III) salt as raw materials and inorganic clay minerals as filler, and the cobalt blue and clay mineral hybrid pigment is prepared through high-temperature crystallization. With the adoption of the clay minerals, the preparation cost of the cobalt blue pigment can be reduced, cobalt blue nanoparticles can be effectively prevented from aggregating and enlarging in the following high-temperature crystallization process, the particle diameter of the nanoparticles ranges from 10 nm to 20 nm, and the prepared cobalt and clay mineral hybrid pigment has a bright color and can meet requirements of durable coatings, neutral ink, CRT (cathode ray tube) fluorescent powder coating pigment products and the like in the cobalt blue market. Besides, the preparation process is simple, the cost of the raw materials is low, and large-scale production is facilitated.
Owner:LANZHOU INST OF CHEM PHYSICS CHINESE ACAD OF SCI +1
Anti-reflection member and cathode ray tube
InactiveUS6628065B2Reduce reflectivityAvoid reflectionsIncadescent screens/filtersCathode-ray/electron-beam tube vessels/containersRefractive indexDisplay device
The present invention relates to an anti-reflection member and a display. The anti-reflection member includes a light transmittable substrate and an anti-reflection film. The anti-reflection film includes a first film formed from a light transmittable material, a second film formed from a light absorptive material having an electrical conductivity, a third film formed from a light transmittable material, a fourth film formed from a light transmittable material having an electrical conductivity, a fifth film formed from a light transmittable material having a high refractive index, and a sixth film formed from a light transmittable material. The anti-reflection member can prevent reflection of not only light coming from the first film side but also light coming from the sixth film side, thereby preventing an image from being doubly displayed on a screen.
Owner:SONY CORP
Display and color cathode ray tube
InactiveUS20060050015A1Increase contrastDecrease in luminance can be suppressedTube/lamp screens manufactureCathode-ray/electron-beam tube vessels/containersPhosphorFluorescence
The present invention aims at compatibility between the improvement in luminance or suppression of deterioration in luminance and the improvement in contrast with respect to a display apparatus and a color cathode-ray tube. Each of the display apparatus and the color cathode-ray tube according to the present invention includes: a fluorescent screen having a color-filter layer and a phosphor layer, which is formed inside a panel glass having light transmissivity of 55% to 20% when a wavelength is 546 nm and a plate thickness is 20 mm and in which at least the phosphor layer is formed by the transfer method.
Owner:SONY CORP
Noise reduction device and television receiver
InactiveUS20050212972A1Reduce noiseLower Level RequirementsTelevision system detailsTelevision system scanning detailsTelevision receiversNoise detection
A noise reduction circuit performs noise reduction by an arithmetic operation on an input video signal and its one-frame delayed video signal. At that time, a noise reduction level is always maintained at a constant value that suppresses a trail behind a moving image. An aperture correction circuit performs image-quality correction by using a high frequency component extracted from the video signal as a correction signal. When a detection level of a noise detection circuit exceeds a predetermined value, the level of the correction signal is controlled to decrease. A velocity modulation circuit supplies the high frequency component extracted from the video signal to an auxiliary deflecting coil of a cathode ray tube as a scanning velocity modulation signal so as to perform image-quality correction. When a detection level of the noise detection circuit exceeds a predetermined value, the level of the scanning velocity modulation signal is controlled to decrease.
Owner:KK TOSHIBA
Alignment of cathode ray tube displays using a video graphics controller
Dynamic adjustment techniques for aligning video images in cathode ray tube (CRT) devices are disclosed. A host computer stores correction factor data and video image data in video graphics controller RAM. The host computer processes and transmits the correction factor data, representative of the cathode ray tube distortion characteristics, to the CRT device during the retrace time of the electron beam and video image data during the trace time. The correction factor data may be generated by a vision system, a gain matrix table, interpolation engine or manual methods. Circuitry, within the CRT device, for separating the correction factor data from the video signal is disclosed along with the methods and apparatus used to decode correction data. Data can also be transferred from the monitor back to the host computer over the video connector.
Owner:DISPLAY LAB
Automatic screen brightness compensating device and method thereof
InactiveUS6091397ATelevision system detailsColor signal processing circuitsMicrocomputerDisplay device
Provided is a cathode ray tube video display device, including: a micro computer for receiving data of factors affecting the brightness of a screen with time, computing a decreased amount of the brightness of the screen to compensate for the decreased amount and outputting a screen brightness compensation signal; and cathode ray tube controlling means for receiving the screen brightness compensation signal output from the micro computer, controlling a brightness level of a chrominance signal applied externally according to a level of the screen brightness compensation signal, and compensating the brightness of the screen which is decreased with time.
Owner:SAMSUNG ELECTRONICS CO LTD
Self-correcting rear projection television
InactiveUS20050068466A1Television system detailsTelevision system scanning detailsProjection screenCathode ray
In a rear projection television, cathode ray tubes are mounted inside an enclosure so that each cathode ray tube projects output images onto a rear projection screen using a corresponding electron beam. Calibration images are generated for each cathode ray tube. A camera, also mounted inside the enclosure, acquires an input image of each calibration image. A distortion in each input image is measured, and the output images of the cathode ray tubes are corrected by adjusting the signals controlling the corresponding electron beams according to the distortion.
Owner:MITSUBISHI ELECTRIC RES LAB INC
Screen mapping of a cathode ray tube
A system for generating correction factor data that is representative of the distortion characteristics of a cathode ray tube. The correction factor data is stored with a cathode ray tube to allow later alignment of a video signal, or can be provided on a storage medium or on a network. Distortion data, and resultant correction factor data is generated for a series of discrete physical locations on the cathode ray tube screen. In this manner, the entire screen surface can be utilized to align a video image. Maximum correctable distortion data is also generated in accordance with the present invention to provide exit criteria for cathode ray tube manufacturers. The exit criteria is based upon maximum correction factor data that can be generated to correct distortions. A characterization module is provided that can be coupled to cathode ray tube coils that stores the correction factor data or an identification number for the cathode ray tube that can be used to retrieve the correction factor data from any desired source such as CD ROMS, a LAN, a database coupled to a WAN, or the Internet, etc. Interpolation techniques can be used to generate correction factor data for any desired number of interpolation points based upon correction factor data provided for a lesser number of characterization locations.
Owner:DISPLAY LAB
Method and system for producing and displaying visual presentations which inhibit off-screen duplication
InactiveUS20040033051A1Television system detailsPicture reproducers using cathode ray tubesVideo projectorCathode Ray Tube Display
A method and system for preventing a visual video copy being made of a projected image on a screen. In a theater or television or computer screen environment, an image is displayed on a screen by a film projector or a video projector or by the cathode ray tube or the LCD screen. A form of piracy is accomplished by copying the image on the screen with a video camcorder or camera. This invention seeks to produce visual presentations which invention inhibits off-screen copying by camcorders or cameras. A preferred embodiment of the invention comprises of recording means which records images at variable frame rates which rates are either pre-programmed or decided by the user of the means. The variation of the frame rates forms a rate sequence which is recorded simultaneously when the images are recorded. The rate sequence will be read by the display device when the recorded images are displayed such that the images are displayed at the frame rates at which they are recorded. An unauthorized attempt to record the image sequence off the screen without the rate sequence will only record images displayed at unsynchronized rates. It will be extremely difficult if not impossible for an unauthorized person to attempt to synchronize his recording means to the various frame rates of display when the frame rate variation is large. This will make the unauthorized duplicated copy virtually unwatchable.
Owner:IP KIRIL KUN WAN
Field emitting cathode and its making process and application
InactiveCN1349240AHigh resolutionSimple structureDischarge tube/lamp detailsCold cathode manufactureDisplay deviceFlat panel display
The invention field emitting cathode is a metal nano wire array which grows on metal base of planar electrode and the metal is same as the base's. The thickness of base is 1 micro m to 0.5 mm, the diameter of nano wire is 20-200 nm, the length is 100 to 500 nm. The producing steps are: to select modular board with nanometer holes according to size requirement of display unit, to make a metal filmelectrode on a surface of the selected modular board by evaporating and electroplating, to electrochemical grow metal nanometer wire array in the nanometer holes of nanometer modular board, to clean and dry the dissolved part or whole modular to expose metal nanometer wires. It can be used to cathode-ray tube and plate display, and has low beginning field strength for field emitting cathode, highcurrent density and low cost.
Owner:PEKING UNIV
Method for preparing transparent conductive thin film by rapid thermal annealing method
InactiveUS20020071903A1Improve conductivityOutstanding transparency and hardnessTube/lamp screens manufactureCathode ray tubes/electron beam tubesIndiumHardness
The present invention relates to a transparent conductive thin film and a method for the preparation of the same, and more particularly to a method for the preparation of a transparent conductive thin film comprising the steps of a) preparing a sol solution of antimony-tin oxides (ATO) or indium-tin oxides (ITO), b) forming a transparent coating layer on an outer surface of a cathode ray tube using the sol solution, and c) rapidly increasing a temperature of the transparent coating layer to a predetermined temperature of 300 to 1200° C., and rapidly cooling the transparent coating layer either immediately or after maintaining the predetermined temperature for up to 20 seconds, and a transparent conductive thin film prepared by this preparation method, i.e., a transparent conductive thin film which not only has superior conductivity, high hardness, and non-reflectivity but also saves production process time and increases production process effectiveness, and a method for the preparation of the same.
Owner:SSCP CO LTD
Glass bulb for a cathode ray tube and a method for producing a cathode ray tube
InactiveUS6227394B1Tube/lamp screens manufactureCathode-ray/electron-beam tube vessels/containersEngineeringCathode ray
Manufacturing steps for a cathode ray tube or a glass bulb for the cathode ray tube are controlled in such a manner that a two-dimensional matrix code 3 comprised of a plurality of dots is marked by laser in an outer side surface of a glass bulb 1, 5, the two-dimensional matrix code 3 containing the information which can identify individually glass bulbs, and the manufacturing steps are conducted by using a computer and the particulars specified by the serial information.
Owner:ASAHI GLASS CO LTD
System and method for monitoring rotary drilling machine
InactiveCN102359367AShorten the development cycleShorten the stable periodAutomatic control for drillingCommand and controlData acquisition
The invention relates to the field of remotely-monitored industrial machines, in particular to a system and a method for monitoring a rotary drilling machine. The system comprises a vehicle-mounted rotary drilling machine monitor, and is characterized in that: a central processing unit (CPU) of a vehicle-mounted controller is arranged on the rotary drilling machine; and the vehicle-mounted controller is used for acquiring sensing information, position information and commands of a server terminal of a remote monitoring management center manufacturer, setting operation parameters, monitoring operation states, transmitting inquiry commands and controlling cathode ray tube (CRT) display of a screen in a vehicle-mounted mode. The monitoring method comprises the following steps of: starting an engine; switching on a power supply; starting the monitoring of the CPU; operating a rotary encoder, a depth sensor, an inclination sensor, a pressure sensor or a monitoring sensor input information device; and transmitting a digital analog signal to a CPU data acquisition device through an input / output (I / O) interface. By the system and the method, the development period and the stable period of a product are shortened; and the current advanced communication technology is deeply developed through a master control system which is completely autonomously researched and developed, so that the system and the method have favorable practical application.
Owner:上海思萌特电子科技有限公司
High strength sealing glass
InactiveUS6245699B1Improve stabilityAcceptable resultVessels or leading-in conductors manufactureCold cathode manufactureHigh intensityUltimate tensile strength
A sealing glass composition in powdered form comprising a crystallizable base glass in the vitreous state and vanadium zirconium silicate in an amount from about 0.1 to 1 weight percent of the base glass. The sealing glass also may contain aluminum oxide having a particle size of about 90 to 99 percent minus 325 mesh in an amount from about 0.1 to 1.0 weight percent of the base glass and bismuth nitrate in an amount from about 0.02 to 0.08 weight percent of the base glass. The glass composition can be used to seal cathode ray tube face plates and funnels with excellent results when heated to a hold range of about 4300 C to 4500 C. The crystallized sealing glass exhibits improved adhesion to seal edges of the face plates and funnels, increased strength, and improved resistance to organic contamination.
Owner:TECHNEGLAS
Intelligent building system
InactiveCN102436223ASolving Heterogeneous Interconnection ProblemsEasy to operateTransmissionProgramme total factory controlWeb browserInformation resource
The invention discloses an intelligent building system. In the invention, on the basis of the existing digital technology, by adopting a modern architecture technology, a modern control technology, a computer technology, a communication technology and a CRT (cathode ray tube) image display technology, namely 'A+4C', sharing of information resource and integrated task management of information resources are realized; and by means of design and implementation of a Web-based configuration software platform, the problem of heterogeneous interconnection among subsystems in an intelligent building is solved so that a remote user can monitor field configuration pictures of equipment through a standard Web browser. In addition, the intelligent building system is simple in operation and convenient in maintenance.
Owner:DALIAN SHENGDA INFORMATION TECH DEVCO
Diffusing sheet, surface light source unit, and transmission type display
InactiveUS7408708B2Increase brightnessOther printing matterElongate light sourcesDiffusionDisplay device
A diffusing sheet, a surface light source unit, and a transmission type display that can attain uniform illumination so that the brightness of light on the display screen appears uniform regardless of the position from which the display screen is observed. The diffusing sheet includes, on its light-emerging side surface, a diffusion lens array having a plurality of unit lenses, each unit lens being in a shape equivalent to a part of an elliptic cylinder having an elliptical cross section. The surface light source unit includes the diffusing sheet and a convergent sheet 12 that has a plurality of unit lenses 121 having almost trapezoidal cross sections, formed on one surface thereof. It is possible to attain uniform illumination by diffusing light from cathode ray tubes in the surface light source unit, and, at the same time, to converge the light serving as backlight to enhance optical efficiency.
Owner:DAI NIPPON PRINTING CO LTD
Liquid crystal display device
The present invention relates to a liquid crystal display device, which comprises a top polarizer and a lower polarizer, a liquid crystal cell, and a back light assemble, the device is characterized in that the lower polarizer is subjected to an anti-glaring treatment while the top polarizer is not.In the liquid crystal display device (LCD) according to the present invention, since the top polarizer is not subjected to the anti-glaring treatment, the prepared device exhibits a vision property similar to that of cathode ray tube (CRT) display device without brownish nor glittering problems associated with conventional LCD in which a top polarizer is subjected to anti-glaring treatment.
Owner:AU OPTRONICS CORP +1
Antireflection film, and image display device
InactiveUS7212341B2Reduce reflectivityLess interference unevennessMirrorsOptical filtersLiquid-crystal displayMedicine
Provided is an antireflection film comprising a transparent support, at least one high refractive index layer having a refractive index higher by 0.05 or greater but not greater than 1.5 than that of the transparent support and a low refractive index layer having a refractive index lower by 0.05 or greater but not greater than 2.0 than that of the high refractive index layer, wherein the high refractive index layer contains matting agent particles having an average particle size of 0.3 μm or greater but not greater than 20 μm; and the film has a haze value of 10% or less. This antireflection film has a low reflectance, is clear, has a surface less tinged with white and has reduced color due to interference, so that it is suitably used for image display devices such cathode ray tube display device (CRT), plasma display panel (PDP) and liquid crystal display (LCD). The film is also used for a polarizing plate.
Owner:FUJIFILM CORP
Removal of lead from solid materials
InactiveUS20150050199A1Minimal costTin compoundsSolvent extractionMaterials scienceCathode Ray Tube Display
A leaching composition that substantially removes lead from solid materials and a method of using said composition. Preferably, the concentration of lead in the solid materials following processing is low enough that the solid materials can be reused and / or disposed of at minimal cost to the processor. Preferably, the solid materials comprise glass, such as cathode ray tube glass.
Owner:ENTEGRIS INC
Adhesive sheet
InactiveUS7413787B2Inhibition formationImprove permeabilityStampsWrappersDisplay deviceLight reflection
An adhesive sheet is disclosed including a flexible substrate and an adhesive layer formed on at least one of the main surfaces of the flexible substrate. The adhesive sheet further includes a plurality of microscopic holes connecting the opposing surfaces of the sheet and being generally perpendicular to them. Such adhesive sheet is permeable by air and allows good bubble escapability when the sheet is applied to an article. Sufficient permeability of the sheet to air is achieved with microscopic size holes installed in modest areal densities, hence the appearance and functionality of the film surface are not significantly adversely impacted. One intended use of the subject invention is for tinting films used to reduce light transmission in windows for use in buildings and automobiles. In this application visual appearance of the film is paramount. Another intended application of the subject invention is for antireflective film which is applied to electronic computer displays (flat panel, cathode ray tube) to reduce unwanted ambient light reflection and to improve contrast.
Owner:AGWEST
Coupler fluids for projection televisions
InactiveUS6268458B1Reduce volatilityReduce the smellTelevision system detailsCathode-ray/electron-beam tube vessels/containersPolymer scienceRefractive index
Coupling fluids for use in optically coupling a projection lens system of a projection television to a cathode ray tube (CRT (16)) are provided. The fluids have: (1) at least one polymer having a siloxane backbone, i.e., at least one polymer having a -Si-O-Si-O-Si- backbone, and (2) methyl, phenyl, and hydrophilic groups attached to the silicon atoms of the backbone. The fluid can be composed of a single siloxane polymer having methyl, phenyl, and hydrophilic side groups or a mixture of a siloxane polymer having methyl and phenyl side groups with a siloxane polymer having methyl and hydrophylic side groups. The index of refraction of the fluid is preferably greater than 1.52 so as to minimize reflections at the interface between the fluid and the faceplate (17) of the CRT (16).
Owner:3M INNOVATIVE PROPERTIES CO
Diffusing sheet, surface light source device, and transmission type display
ActiveUS7510308B2Improve diffusion abilityDiffusing elementsOptical light guidesDiffusionDisplay device
Owner:DAI NIPPON PRINTING CO LTD
Self-correcting rear projection television
InactiveUS7227592B2Television system detailsTelevision system scanning detailsProjection screenCathode ray
Owner:MITSUBISHI ELECTRIC RES LAB INC
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