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Seiko Epson Corporation Patents
Assignee:
Seiko Epson Corporation
Address:
Tokyo, JP
No. of patents:
13422
Patents:












Patent Number Title Of Patent Date Issued
RE44575 Back light assembly for use with back-to-back flat-panel displays November 5, 2013
The present invention features a system for uniformly distributing luminance and a high degree of collimation from a back light module for flat-panel, liquid crystal displays (LCDs) simultaneously. A constant and uniform luminance output of the back light module in two directions is
RE43777 Light source device and projector October 30, 2012
A light source lamp unit (10) includes a light source lamp (11), an ellipsoidal reflector (12) and a plate body (19). The plate body (19) is provided behind the reflector (12) with a gap kept therebetween, which has a shape corresponding to the profile of a reflecting portion (122) of
RE43759 Multiple wavelength light emitting device, electronic apparatus, and interference mirror October 23, 2012
A multiple wavelength light emitting device is provided wherewith the resonance strength and directivity between colors can be easily adjusted for balance. This light emitting device comprises a light emission means 4 for emitting light containing wavelength components to be output, and
RE43738 Display device having a connection area outside the display area October 16, 2012
.[.An object of the present invention is to provide a.]. .Iadd.A .Iaddend.display device capable of narrowing the area of the frame.[.. In order to achieve this object, the display device according to the present invention.]. has a substrate .[.having a plurality of arranged display
RE43721 Keystone correction using a part of edges of a screen October 9, 2012
The projector comprises an image forming panel that forms an effective panel image for modulating the light into an image light in an image forming area of a panel surface, and an image capturing unit for capturing a specific projection area wherein the image light corresponding to a
RE43641 Method and apparatus for scaling up and down a video image September 11, 2012
An input video image having an arbitrary resolution is converted to another video image having a predetermined resolution of a display device to display the video image with the converted resolution. The frequencies of the synchronizing signals of the input video signal are measured, and
RE43442 Light-emitting device and electronic apparatus June 5, 2012
A light-emitting device includes: a plurality of light-emitting elements each of which has an anode, a thin organic light-emitting layer, and a cathode sequentially stacked on a substrate and emits light by excitation due to an electric field, the anode being separated from another anode
RE43405 Method of displaying measurement result in inspection process and system thereof, and computer p May 22, 2012
A method of displaying a measurement result in an inspection process using network, the method includes a first step that a host, which intensively controls and manages a device for inspecting a lot to be processed in one or a plurality of steps, transmits to the device a condition o
RE43358 Data reading apparatus May 8, 2012
A data reading apparatus for reading and/or scanning data from a first and second scanned medium comprising a first transportation path P1, along which the first scanned medium is conveyed and a second transportation path P2, along which the second scanned medium is conveyed and wher
RE43321 Light source device and projector April 24, 2012
A light source lamp unit (10) includes a light source lamp (11), an ellipsoidal reflector (12) and a plate body (19). The plate body (19) is provided behind the reflector (12) with a gap kept therebetween, which has a shape corresponding to the profile of a reflecting portion (122) of
RE43125 Back light assembly for use with back-to-back flat-panel displays January 24, 2012
The present invention features a system for uniformly distributing luminance and a high degree of collimation from a back light module for flat-panel, liquid crystal displays (LCDs) simultaneously. A constant and uniform luminance output of the back light module in two directions is
RE42975 Back light assembly for use with back-to-back flat-panel displays November 29, 2011
The present invention features a system for uniformly distributing luminance and a high degree of collimation from a back light module for flat-panel, liquid crystal displays (LCDs) simultaneously. A constant and uniform luminance output of the back light module in two directions is
RE42740 Projector September 27, 2011
A projector for separating white light into three primary colors, forming images with liquid crystal light valves, mixing these images, and projecting an enlarged picture of the mixed images with a projection lens. The projector includes an optical unit having a light source, a plura
RE42656 Method and apparatus for scaling up and down a video image August 30, 2011
An input video image having an arbitrary resolution is converted to another video image having a predetermined resolution of a display device to display the video image with the converted resolution. The frequencies of the synchronizing signals of the input video signal are measured, and
RE42623 Electro-optical apparatus, matrix substrate, and electronic unit August 16, 2011
To provide an electro-optical apparatus having a power-supply wiring structure that is capable of supplying a sufficient electrical power to a common electrode of electro-optical devices. An electro-optical apparatus according to the present invention comprises electro-optical devices
RE42569 Display unit, electronic device using the same, and method of inspecting the display unit July 26, 2011
A display unit of which inspection process to inspect a connector for faulty connection can be automated. The display unit comprises a display section, a display driver IC among a plurality of types of display driver ICs capable of driving and controlling the display section, and an MPU
RE42515 Method of manufacturing reflective mirror, illumination device, and projector July 5, 2011
A reflective mirror manufacturing method for manufacturing a reflective mirror used in an illumination device including an arc tube including a light-emitting portion and a reflective mirror including a reflective surface that reflects light from the light-emitting portion in a prede
RE42308 Display substrate, electro-optical device, and electronic apparatus April 26, 2011
To provide an electro-optical device and an electronic apparatus capable of maintaining the display quality by preventing brightness unevenness without widening a frame in a mounting terminal portion connection portions connecting to a fourth power source bus line are provided in two
RE42215 Display device having a connection area outside the display area March 15, 2011
.[.An object of the present invention is to provide a.]. .Iadd.A .Iaddend.display device capable of narrowing the area of the frame.[.. In order to achieve this object, the display device according to the present invention.]. has a substrate having a plurality of arranged display el
RE41874 Method of manufacturing reflective mirror, illumination device, and projector October 26, 2010
A reflective mirror manufacturing method for manufacturing a reflective mirror used in an illumination device including an arc tube including a light-emitting portion and a reflective mirror including a reflective surface that reflects light from the light-emitting portion in a prede
RE41768 System and method employing reflective imaging devices for a projection display September 28, 2010
Projected systems (10, 12, 14, 16) include light source apparatuses (20, 24, 26) for programming narrow bands of unpolarized blue, green, and red light to associated reflective imaging devices that reflect selected patterns of the blue, green, and red light into a dichroic cross-combiner
RE41680 Projector September 14, 2010
An output light from .[.an.]. .Iadd.a .Iaddend.light source lamp unit 8 in a projection-type display apparatus illuminates liquid-crystal light valves 925R, 925G and 925B for three colors via an integrator optical system 923. A superimposing lens 930 that is a component of the integr
RE41601 Ink cartridge for ink-jet printing apparatus August 31, 2010
An ink cartridge is composed of the body of a container provided with an ink supply port for discharging ink into a print head for housing ink and a lid for sealing the body of the container so that the container can communicate with the air. A semiconductor memory device storing inf
RE41522 Method and apparatus for scaling up and down a video image August 17, 2010
An input video image having an arbitrary resolution is converted to another video image having a predetermined resolution of a display device to display the video image with the converted resolution. The frequencies of the synchronizing signals of the input video signal are measured, and
RE41377 Printer and ink cartridge attached thereto June 15, 2010
A printer that enables required data, such as a remaining quantity of each ink, to be written securely even when a storage device having a relatively low allowable frequency of rewriting is applied for a storage element mounted on an ink cartridge. An ink cartridge that is detachably
RE41238 Printer and ink cartridge attached thereto April 20, 2010
A printer that enables required data, such as a remaining quantity of each ink, to be written securely even when a storage device having a relatively low allowable frequency of rewriting is applied for a storage element mounted on an ink cartridge. An ink cartridge that is detachably
RE41216 Method and apparatus for driving the display device, display system, and data processing device April 13, 2010
It is an object to provide a high-performance display element driving device or the like which can be easily reduced in power consumption and scale. A display element driving device (100) drives a liquid crystal serving as a capacitive display element. A D/A converter (110) includes
RE40770 Liquid crystal device and electronic equipment June 23, 2009
A liquid crystal device has a structure in which an electric field is applied across a liquid crystal in a direction substantially parallel to the plane of a substrate. A conductive film is formed on a first substrate on which an electric field control is provided, and also on a colo
RE40709 Piezoactuator and drive circuit therefor May 12, 2009
A piezoactuator has a diaphragm, and the diaphragm has flat piezoelectric elements that oscillate in a longitudinal oscillation mode and a sinusoidal oscillation mode. A first electrode for detecting oscillation in the longitudinal oscillation mode, and a second electrode for detecti
RE40635 32 bit generic asynchronous bus interface using read/write strobe byte enables February 10, 2009
A display controller having an asynchronous bus interface is provided. In one embodiment a display controller configured to communicate with a microprocessor is provided. The display controller operates at a first clock speed and microprocessor operates at a second clock speed. The d
RE40601 Manufacturing method of active matrix substrate, active matrix substrate and liquid crystal disp December 9, 2008
A method of manufacturing an active matrix substrate is provided that uses a technique of transferring a thin film device. In forming thin film transistors and pixel electrodes on an original substrate before transfer, an insulator film such as an interlayer insulation film or the li
RE40581 Printer including an ink cartridge November 25, 2008
An ink jet printer including a carriage which moves along a print area, a head mounted on the carriage, an ink cartridge mounted on the carriage for supplying ink to the head, a lever on the carriage for mounting or demounting the ink cartridge with respect to the carriage and a stopper
RE40504 Display and display driver with on/off power controller used to prevent damage to the display September 16, 2008
Signal management control units 47.sub.1-47.sub.n of respective scan drivers LSI in an LCD module are cascade-connected and each have the same construction. A detected signal of the signal management control unit 47J is a data signal latch clock LP applied to a terminal CKB.sub.1. A
RE40450 Liquid crystal projector August 5, 2008
A liquid crystal projector has three liquid crystal panels for modulating first color light, second color light, and third color light respectively. A light synthetic device synthesizes each color light modulated by the liquid crystal panels. A projection lens projects the light synt
RE40397 Optical device and projector June 24, 2008
In an optical device (44), an optical axis (A) of a projection lens (46) is shifted relative to a central axis (C) of an image formation area of a liquid crystal panel (441), and a central axis (B) of a light-incident side of the cross dichroic prism (444) is shifted relative to a centra
RE40355 Back light assembly for use with back-to-back flat-panel displays June 3, 2008
The present invention features a system for uniformly distributing luminance and a high degree of collimation from a back light module for flat-panel, liquid crystal displays (LCDs) simultaneously. A constant and uniform luminance output of the back light module in two directions is
RE40296 Projection type liquid crystal projector May 6, 2008
A projector for separating white light into three primary colors, forming images with liquid crystal light valves, mixing these images, and projecting an enlarged picture of the mixed images with a projection lens. The projector includes an optical unit having a light source, a plura
RE40251 Optical element, polarization illumination device, and projector April 22, 2008
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 light beam with a p
RE39951 Polarization conversion element, polarization illuminator, display using the same illuminator, a December 25, 2007
A polarizing conversion device in accordance with the invention includes a first optical element for condensing an incident beam and forming a plurality of intermediate beams spatially separated from one another, and a second optical element for spatially separating each intermediate bea
RE39859 Dichroic prism, prism unit, and projection display apparatus September 25, 2007
At least one of four rectangular prisms in a dichroic prism is made longer than the other rectangular prisms. Parts of the rectangular surfaces of the long rectangular prisms partially protrude from the rectangular surfaces of the other rectangular prisms in the longitudinal direction.
RE39702 Projector June 26, 2007
An output light from .[.an.]. .Iadd.a .Iaddend.light source lamp unit 8 in a .[.projection-type display apparatus.]. .Iadd.projector .Iaddend.illuminates liquid-crystal light valves 925R, 925G and 925B for three colors via an integrator optical system 923. A superimposing lens 930 th
RE39474 Method of manufacturing an ink jet recording head having reduced stress concentration near the b January 23, 2007
An A method of manufacturing an ink-jet recording head comprising: which includes an elastic sheet providing facing pressure generating chambers; , nozzle orifices, each communicating with the pressure generating chambers; , and piezoelectric vibrators formed on the elastic sheet, each
RE39445 Solar cell and solar cell unit December 26, 2006
The solar cell of the present invention includes a titanium dioxide semiconductor that is held between a pair of electrodes so that the titanium dioxide semiconductor and at least one of the electrodes form a rectification barrier.
RE39329 Oscillation circuit, electronic circuit using the same, and semiconductor device, electronic equ October 10, 2006
This invention relates to a crystal oscillation circuit that oscillates stably with a low power consumption. This crystal oscillation circuit comprises an inverting amplifier, a crystal oscillator, and a feedback circuit that inverts the phase of an output from this inverting amplifier
RE39243 Optical element, polarization illumination device, and projector August 22, 2006
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 light beam with a p
RE39236 Flat panel device and display driver with on/off power controller used to prevent damage to the August 15, 2006
Signal management control units 47.sub.1-47.sub.n of respective scan drivers LSI in an LCD module are cascade-connected and each have the same construction. A detected signal of the signal management control unit 47J is a data signal latch clock LP applied to a terminal CKB.sub.1. A
RE39040 Projector March 28, 2006
A projection-type display apparatus in accordance with the invention reduces the margin formed around the image forming range of the light valves, and forms a bright projected image. Emitted light from a light source lamp unit of a projection-type display apparatus illuminates liquid
RE38926 Printer including an ink cartridge December 27, 2005
An ink jet printer including a cartridge which moves along a print area, a head mounted on the carriage, an ink cartridge mounted on the cartridge for supplying ink to the head, a lever on the carriage for mounting or demounting the ink cartridge with respect to the carriage and a stoppe
RE38740 Dichroic prism and projection display apparatus June 7, 2005
The invention provides a dichroic prism capable of reducing displacements of projection pixels of colors caused by chromatic aberration of magnification. A dichroic prism is formed in the shape of a quadrangular prism as a whole by joining four rectangular prisms together. A red refl
RE38622 Parts handling method October 12, 2004
A new parts handling apparatus is provided which can shorten the index time and increase working ability without increasing the number of components and can restrict the rise of manufacturing cost. X driving member 12 to be moved rightward and leftward in correlation to the rotation of a

 
 
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