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...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 8014054 | Dual display A dual display is disclosed, including a first electrowetting display device and a second electrowetting display device, and a reflection transmission switching device therebetween, wherein the first electrowetting display device and the second electrowetting displa... | 09/06/2011 |
| 7920317 | Display with controlled formation of bubbles The invention relates to a display apparatus including a first substrate supporting an array of light modulators, a second substrate separated from the first substrate by a gap, a fluid substantially filling the gap, sealing material joining the first substrate to t... | 04/05/2011 |
| 7898718 | Display device Display device is based on layer break up or layer displacement having at least two different states, in which one of the fluids, e.g., oil in a first state, adjoins at least a first support plate and, in the second state, the other fluid at least partly adjoins the... | 03/01/2011 |
| 7872790 | Display capable electrowetting light valve The invention relates to light transmissive, transflective, or reflective flat panel display devices and, more specifically, to light emissive flat panel displays constructed from high performance electrowetting light valve (ELV) devices (10a-g)... | 01/18/2011 |
| 7697187 | Electrowetting device and varifocal lens, optical pickup device, optical recording/reproduction device, droplet operation device, optical element, zoom lens, imaging device, light modulating device, and display device using the same Disclosed is an electrowetting device. The electrowetting device includes a conductive or polar liquid material, and an electrode applying voltage to the liquid material through a dielectric layer. In the electrowetting device, the dielectric layer is formed as an a... | 04/13/2010 |
| 7605968 | Display medium A display medium includes a pair of substrates, a spacer, an injection port, and an exhaust port. The pair of substrates faces to be in parallel with each other. At least one of the pair of substrates constitutes a display surface. The spacer is disposed between the... | 10/20/2009 |
| 7583426 | Flexible display A display is disclosed, which can be fabricated without a high-temperature process, and also realize color images, the display including a reflective electrode formed on a flexible substrate; a transparent insulation layer having a predetermined color formed on a su... | 09/01/2009 |
| 7567369 | Optical apparatus To provide an optical apparatus which controls an interface state to change a focal length by using an optical element having a container sealing first liquid that is conductive or polarized and second liquid that does not mutually mix with the first liquid with the... | 07/28/2009 |
| 7463398 | Display device Display device based on layer break up or layer displacement having at least two different states, in which one of the fluids (5) e.g oil in a first state adjoins at least a first support plate (3) and in the second state the other fluid (6) at ... | 12/09/2008 |
| 7431518 | Optical device, lens unit, and imaging apparatus An optical device and a lens unit each include a liquid container containing an insulating liquid and an electroconductive liquid which are mutually immiscible and optically transparent and have different refractive indices. The optical device and the lens unit also... | 10/07/2008 |
| 7430370 | Optical element, lens unit and image pickup apparatus An optical element and a lens unit each includes: a liquid container transmitting light at least in a predetermined optical axis direction, the liquid container containing an insulating liquid and an ionic liquid being mutually immiscible and optically transparent, ... | 09/30/2008 |
| 7388705 | Optical apparatus To provide an optical apparatus which controls an interface state to change a focal length by using an optical element having a container sealing first liquid that is conductive or polarized and second liquid that does not mutually mix with the first liquid with the... | 06/17/2008 |
| 7359108 | Display device An exemplary display device based on layer displacement having a perforated white substrate positioned close to a transparent substrate. Layer (fluid) displacement such as oil movement results in the (colored) oil film being pumped in a controlled manner above the w... | 04/15/2008 |
| 7352416 | Polarization direction of incident light beam perpendicular or parallel to liquid display molecular orientation for reduced drive voltage A liquid crystal display element comprising two transparent substrates, at least one of which is transparent, and a liquid crystal layer interposed between the two substrates. A plurality of pixels and active elements for driving the liquid crystal at the plurality ... | 04/01/2008 |
| 7342619 | Polarization light splitting film, backlight system and liquid crystal display A polarization light splitting film having a light receiving side and a light transmitting side. The polarization light splitting film includes an optical rotation selection layer at the light receiving side for reflecting one of right and left circularly polarized ... | 03/11/2008 |
| 7336323 | Liquid crystal filter with tunable rejection band An optical wavelength filter uses birefringence and polarization to discriminate and block a wavelength stop band. Birefringent elements, each having a fixed retarder and a liquid crystal, are placed along the signal path with the fast and slow axes in each pair bei... | 02/26/2008 |
| 7317580 | Zoom lens In this invention, to provide a compact zoom lens having a small number of optical element groups to be driven and a simple moving mechanism, at least one of a plurality of optical element groups arranged in the lens system includes a refractive power variable eleme... | 01/08/2008 |
| 7312927 | Head-up display A straw holder for supporting a drinking straw in the mouth of a bottle is presented. The holder includes a straw support portion dimensioned for placement across the mouth of a bottle. The straw support portion includes an aperture designed to receive a straw there... | 12/25/2007 |
| 7301601 | Optical switching device using holographic polymer dispersed liquid crystals A thin holographic optical switch used in a liquid crystal display device contains opposing transparent substrates transparent electrodes between the substrates and a diffraction grating between the electrodes. The diffraction grating contains regions of transparent... | 11/27/2007 |
| 7279709 | Electronic ink display device An electronic ink display device with a frontplane laminate and a TFT array substrate is provided. In the TFT array substrate, a first metal layer and a dielectric layer are disposed on a first substrate. The dielectric layer covers the first metal layer. A second m... | 10/09/2007 |
| 7274416 | Display device A subtractive display device comprising picture elements having sub-pixels, each sub-pixel comprising a stack of switchable layers (5,25) or components and a color filter part (21). ... | 09/25/2007 |
| 7268849 | Spatial light modulator employing voltage gradient pixels, and associated methods A spatial light modulator has a transmissive window with a transparent conductive film forming a ground plane and a direct drive backplane with a plurality of voltage gradient pixels. Each of the voltage gradient pixels has (a) resistive film, (b) resistive metal co... | 09/11/2007 |
| 7264162 | Optical adjustment of working range and beam spot size in electro-optical readers Working range and laser beam cross-section are adjusted in an electro-optical reader for reading indicia by applying control voltages to a pair of variable lenses to change the shape of a liquid therein. An aperture stop maintains a constant beam cross-section as an... | 09/04/2007 |
| 7215060 | Electrostatic actuator, electrostatic actuator driving method, electromechanical transducer, waveform output device and electric element An electrostatic actuator includes a waveform output register which generates waveform data having a drive time and a drive pattern on the basis of an operation request from the outside and has queues 0 and 1 to 3 holding the waveform data, a wa... | 05/08/2007 |
| 7201318 | Optical adjustment for increased working range and performance in electro-optical readers Working range is increased in an electro-optical reader or an imager for reading indicia by applying a voltage to a variable lens to change the shape of a liquid therein. ... | 04/10/2007 |
| 7190519 | Plate-like polarizing element, a polarizing conversion unit provided with the element, and a projector provided with the unit This specification discloses a polarizing. element for dividing light into first and second polarized lights differing in polarized state from each other by a polarizing dividing surface, directing the first polarized light in a first direction, reflecting the secon... | 03/13/2007 |
| 7179535 | Polymer sheets and multiple layer glass panels having adjustable tint The present invention is in the field of polymer sheets and multiple layer glass panels having adjustable tint, and, more specifically, the present invention is in the field of polymer sheets and multiple layer glass panels comprising agents that cause a change in l... | 02/20/2007 |
| 7170664 | Optical element, optical head, optical recording reproducing apparatus and optical recording/reproducing method The invention presents an optical element with which an optical head can be configured, in which there is little deterioration of the correctional effect when the objective lens shifts, as well as an optical head and an optical recording/reproducing apparatus using ... | 01/30/2007 |
| 7167156 | Electrowetting display The present invention comprises construction of a display from display elements that are actuated using the physical principle of electrowetting. In one embodiment, pores within porous silicon are filled with an ionic and an optically reflective electronic conductor... | 01/23/2007 |
| 7161740 | Projector Aspects of the invention can provide a projector including a illumination system, an electro-optic modulator, and a projection system. The illumination system can include device that emits a substantially parallel illumination light beam to the side of an illuminate... | 01/09/2007 |
| 7153576 | Weatherable multilayer article assemblies and method for their preparation Disclosed is a multilayer article assembly comprising (i) a coating layer comprising a block copolyestercarbonate comprising structural units derived from at least one 1,3-dihydroxybenzene and at least one aromatic dicarboxylic acid, (ii) a second layer comprising a... | 12/26/2006 |
| 7154656 | Radiation absorption in electro-optical devices Electro-optical apparatus includes a housing having at least one electrical subassembly (ESA) and at least one optical subassembly (OSA) therein as well as cavities within the housing and paths for transmitting electrical signals between the electrical and optical s... | 12/26/2006 |
| 7142344 | Optical apparatus To provide an optical apparatus which controls an interface state to change a focal length by using an optical element having a container sealing first liquid that is conductive or polarized and second liquid that does not mutually mix with the first liquid with the... | 11/28/2006 |
| 7126903 | Variable focus lens A variable focus lens comprising a first fluid (A) and a second, non-miscible, fluid (B) in contact over a meniscus. A first electrode (2) separated from the fluid bodies by a fluid contact layer (10), and a second electrode (12) in contact with... | 10/24/2006 |
| 7119937 | Durable electrooptic devices comprising ionic liquids Electrolyte solutions for electrochromic devices such as rear view mirrors and displays with low leakage currents are prepared using inexpensive, low conductivity conductors. Preferred electrolytes include bifunctional redox dyes and molten salt solvents with enhanc... | 10/10/2006 |
| 7110155 | Light modulation apparatus, image pickup apparatus, and drive methods therefor Disclosed are a light modulation apparatus including a liquid crystal device; and a polarizing plate disposed in an optical path of light made incident on said liquid crystal device; wherein said liquid crystal device is of a guest-host type using a negative type li... | 09/19/2006 |
| 7106495 | Mask, substrate with light reflection film, manufacturing method for light reflection film, manufacturing method for electro-optical device and electro-optical device, and electronic apparatus A substrate is provided with a light reflection film in which the heights of a plurality of convex portions or the depths of concave portions formed on a base material are specified to be substantially the same. The two-dimensional shapes of the plurality of convex ... | 09/12/2006 |
| RE39243 | Optical element, polarization illumination device, and projector Two polarization conversion element arrays are disclosed. Each polarization conversion element array is composed of a plurality of polarization conversion elements for converting light incident upon the polarization conversion element array to a linearly polarized l... | 08/22/2006 |
| 7081940 | Display panel, laminated substrate, liquid crystal cell and method of manufacturing laminated substrate A display panel, laminated substrate, and liquid crystal cell which includes a pair of facing substrates bonded together with a sealing material. One or both of the substrates includes at least one corner portion on which a plurality of protruding pads are formed, t... | 07/25/2006 |
| 7050218 | Electrophoretic dispersion, electrophoretic display device, method of manufacturing electrophoretic display device, and electronic system To provide an electrophoretic dispersion capable of reducing or preventing the aggregation of electrophoretic particles, an electrophoretic display device using the electrophoretic dispersion, a method of manufacturing the electrophoretic display device, and an elec... | 05/23/2006 |
