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99results about How to "High-quality image display" patented technology

Liquid crystal display

In a liquid crystal display (10) having a curved display surface, long sides of pixel structures (11) are arranged along the curve direction (Y) of the display surface and on a side of counter substrate provided is a black matrix having a black matrix opening (41a) whose length in the curve direction (Y) is not longer than E−L {(T1 / 2)+(T2 / 2)+d} / R, assuming that the length of the display surface in the curve direction (Y) is L, the thickness of an array substrate is T1, the thickness of the counter substrate is T2, the size of the gap between the array substrate and the counter substrate is d, the radius of curvature of the curved display surface is R and the length of a long side of a pixel electrode (29) provided in each of the pixel structures (11) is E. It thereby becomes possible to suppress display unevenness resulting from positional misalignment of the two substrates due to curvature and provide a liquid crystal display achieving a high-quality display image.
Owner:TRIVALE TECH

Light source device and projector

A light source device includes a light source section adapted to emit excitation light, a lens array adapted to divide the excitation light into a plurality of partial light beams, a light collection optical system adapted to collect the excitation light divided into the plurality of partial light beams, and a light emitting element adapted to emit fluorescence by being excited by the excitation light.
Owner:SEIKO EPSON CORP

Electrooptic device, substrate therefor, method for making the electrooptic device, and electronic apparatus

ActiveUS20070058099A1Improve contact effectPreventing separation and crackingSolid-state devicesNon-linear opticsElectronSmall hole
An electrooptic device includes a substrate and a pluralty of pixel units. Each pixel unit includes a pixel electrode; an active element for active control of the pixel electrode; a conductive layer that is disposed below the pixel electrode and that connects the active element to the pixel electrode; an organic resin film that provides interlayer insulation between the active element and the pixel electrode and between the conductive layer and the pixel electrode, the organic resin film having a small hole that overlaps part of the conductive layer in a plan view; a first inorganic insulating film disposed between the organic resin film and the conductive layer and between the organic resin film and the active element such that the first inorganic insulating film overlaps the conductive layer and the active element in a plan view, the first inorganic insulating film having a first hole inside the small hole in a plan view, the first hole having a diameter equal to or smaller than the bottom of the small hole; and a second inorganic insulating film disposed between the organic resin film and the pixel electrode, the second inorganic insulating film having a second hole that is continuous to the first hole and that forms a contact hole together with the first hole. The pixel electrode is formed in a continuous manner from inside the contact hole to outside the contact hole such that the pixel electrode is electrically connected to the conductive layer exposed inside the first hole.
Owner:SEIKO EPSON CORP

Active matrix display apparatus and driving method therefor

A display includes connection lines each of which is provided for the corresponding scanning line of the display and is connected to a light emission element driving circuit, a ramp voltage generating section for generating ramp voltage for varying the control electrode voltage of each of the driver transistors relative to the voltage of the other electrode of the corresponding driver transistor to change the emission state of the corresponding light emission element, and a ramp voltage driver for supplying the ramp voltage to each of the connection lines provided for the corresponding scanning line in response to the scanning.
Owner:PIONEER CORP

Two-dimensional image forming apparatus

A two-dimensional image formation apparatus according to the present invention is provided with laser sources (1a)˜(1c), diffusers (6a)˜(6c) for diffusing light, illumination optical systems for irradiating the diffusers (6a)˜(6c) with lights emitted from the laser sources (1a)˜(1c), diffuser vibration units (13a)˜(13c) for vibrating the diffusers (6a)˜(6c), and spatial light modulators (7a)˜(7c) disposed near the diffusers (6a)˜(6c), for modulating the lights emitted from the laser sources (1a)˜(1c) and diffused by the diffusers (6a)˜(6c), wherein the diffusers (6a)˜(6c) are vibrated by the diffuser vibration units (13a)˜(13c) at a velocity that satisfies a relationship, V>d×30 (millimeters / sec), which is established between the grain size d of the diffusers and the vibration speed V of the diffusers, whereby speckle noise existing in an image projected on a screen (11) can be effectively reduced.
Owner:PANASONIC CORP

Two-dimensional image formation apparatus

A two-dimensional image formation apparatus according to the present invention is provided with laser sources (1a)˜(1c), diffusers (6a)˜(6c) for diffusing light, illumination optical systems for irradiating the diffusers (6a)˜(6c) with lights emitted from the laser sources (1a)˜(1c), diffuser vibration units (13a)˜(13c) for vibrating the diffusers (6a)˜(6c), and spatial light modulators (7a)˜(7c) disposed near the diffusers (6a)˜(6c), for modulating the lights emitted from the laser sources (1a)˜(1c) and diffused by the diffusers (6a)˜(6c), wherein the diffusers (6a)˜(6c) are vibrated by the diffuser vibration units (13a)˜(13c) at a velocity that satisfies a relationship, V>d×30 (millimeters / sec), which is established between the grain size d of the diffusers and the vibration speed V of the diffusers, whereby speckle noise existing in an image projected on a screen (11) can be effectively reduced.
Owner:PANASONIC CORP

Method for producing image display apparatus

In the production of a thin image display apparatus by filling a curable resin composition between a protective part and a base and then curing the resin, the present invention enables a high-luminance and high-contrast image to be displayed in which display defects resulting from deformation of an image display part are not produced, the curable resin composition has a uniform thickness, and air bubbles are prevented from becoming mixed in the curable resin composition. A method for producing such an image display apparatus including the steps of coating a curable resin composition onto a base having an image display part or onto a light-transmitting protective part arranged on the image display part, arranging the base and the protective part to face each other in close proximity, and forming a cured resin layer between the base and the protective part by curing the curable resin composition, wherein as the curable resin composition, a resin composition is used which has a curing shrinkage ratio of 5% or less, a cured product storage modulus of 1×107 Pa or less at 25° C., and a light transmittance of the cured resin layer in a visible region of 90% or more, and the curable resin composition coated onto the base or the protective part has a pattern with a prescribed shape.
Owner:DEXERIALS CORP

Display device and driving circuit for the same display method

A display device is for carrying out display by supplying a data signal, that is supplied from a video signal line, to one of a plurality of pixel electrodes via a switching element, and by supplying a scanning signal for controlling ON / OFF state of the switching element to the switching element via a scanning signal line that is orthogonal to the video signal line and is connected to the switching element. When the scanning signal is outputted to the scanning signal line, the scanning signal has a falling waveform that first falls substantially vertically from an ON-level of the switching element in a direction of an OFF-level of the switching element, and then starts falling with a slope, and again falls substantially vertically before reaching the OFF-level of the switching element. As such, the writing of the data signal to the pixel electrode may be securely carried out even when the writing period for each scanning signal is reduced, thereby displaying a high-quality image.
Owner:UNIFIED INNOVATIVE TECH

Polarization element and projector

A polarization element includes: a substrate; a plurality of thin metal wires provided to the substrate in a striped manner; and a plurality of protruding sections made of metal provided to each of the thin metal wires, and arranged in a longitudinal direction of the thin metal wire at a pitch shorter than a wavelength of incident light.
Owner:SEIKO EPSON CORP

Electrooptic device, driving method therefor, electronic device, and projection display device

The invention provides an electrooptic device that can include a first substrate on which pixel electrodes, first thin film transistors electrically connected to the pixel electrodes, and scanning lines and data lines electrically connected to the first thin film transistors are formed, a second substrate opposing the first substrate and having a common electrode, and an electrooptic substance held between the first substrate and the second substrate. The electrooptical device can further include a switching element for discharging in capacitors constituted by the pixel electrodes on the first substrate, the electrooptic substance, and the common electrode on the second substrate. The invention makes it possible to remove charges from inside the electrooptic device.
Owner:138 EAST LCD ADVANCEMENTS LTD

Image display apparatus using thin-film transistors

There are provided a display apparatus and a display method, with which compressed image data that is to be decompressed can be transmitted to the display apparatus in an environment in which a transmission capacity is not always secured, and good image display is realized. An example of the display apparatus is an active matrix display apparatus formed by using thin-film transistors formed on an insulating substrate. In the active matrix display apparatus, a circuit that receives an image data signal from an external system via a non-contact transmission path and amplifies the image data signal, a circuit that processes the image data signal, and a memory circuit that stores the processed image data are integrated on the insulating substrate.
Owner:SHARP KK

Light-emitting device, method for driving the same, and electronic apparatus

A light-emitting device includes a plurality of pixels, a temperature-detection pixel, a temperature detector, an applied-current calculator, and a current applying unit disposed on a substrate. The pixels include display light-emitting elements for displaying information. The temperature-detection pixel is provided within a display area where the pixels are disposed and includes a temperature-detection light-emitting element for temperature detection, which is shielded by a light shielding layer and includes the same organic layer as that included in each display light-emitting element. The temperature detector detects a current value of the temperature-detection light-emitting element so as to detect the temperature thereof. The applied-current calculator calculates an electric current to be applied to the display light-emitting elements in accordance with the detected temperature so that the display light-emitting elements emit light with a predetermined luminance. The current applying unit applies the electric current to the display light-emitting elements.
Owner:ELEMENT CAPITAL COMMERCIAL CO PTE LTD

Image-correction-amount detecting device, circuit for driving electro-optical device, electro-optical device, and electronic apparatus

An image-correction-amount detecting device includes an image signal generation unit, a luminance detecting unit, and a correction value calculation unit. The image signal generation unit generates and supplies image signals having inverted polarities to a display section in which pixels are formed so as to correspond to intersections of a plurality of scanning lines and a plurality of source lines which are arranged in a matrix and which performs pixel display by allowing an image signal supplied to a source line to be applied to a pixel electrode of each pixel via switching elements, the image signal being supplied to the source line by turning on a switching element disposed in the pixel with the scanning signal supplied to the scanning line. The luminance detecting unit detects the luminance of each pixel position of an image displayed by the display section. While changing the reference voltage which is set in the display section, the correction value calculation unit calculates the difference of the luminance between a positive polarity image signal and a negative polarity image signal in each pixel position, calculates the distribution of reference voltages in the display section which applies the minimum luminance difference, and outputs an image correction amount to obtain the optimal reference voltage that matches the effective value of the positive polarity image signal with the effective value of the negative polarity image signal.
Owner:SEIKO EPSON CORP

Image display apparatus using thin-film transistors

There are provided a display apparatus and a display method, with which compressed image data that is to be decompressed can be transmitted to the display apparatus in an environment in which a transmission capacity is not always secured, and good image display is realized. An example of the display apparatus is an active matrix display apparatus formed by using thin-film transistors formed on an insulating substrate. In the active matrix display apparatus, a circuit that receives an image data signal from an external system via a non-contact transmission path and amplifies the image data signal, a circuit that processes the image data signal, and a memory circuit that stores the processed image data are integrated on the insulating substrate.
Owner:SHARP KK

Liquid crystal display device and manufacturing method thereof

In a liquid crystal display device having a pair of substrates that are opposite to and bonded to each other, a liquid crystal layer is sealed between the pair of substrates, and columnar spacers are formed on one of the pair of substrates and in contact with the other substrate to maintain a gap between the pair of substrates. The surfaces of support columns of the columnar spacers are made to be rough to enhance the friction force between the pair of substrates and to prevent the other of the pair of substrates from diverging from the one of the pair of substrates, so that display quality of the liquid crystal display device is improved.
Owner:PANASONIC LIQUID CRYSTAL DISPLAY CO LTD +1

Liquid crystal television receiver, liquid crystal display control method, program thereof, and recording medium

When a video signal type detecting section detects a video signal of PAL / SECAM (50 Hz) video signal, the input image data is subjected to enhancing conversion with a degree lower than the degree of enhancing conversion in the case of NTSC (60 Hz). With this, the response speed of liquid crystal is improved and an image noise on account of excessive enhancement is eliminated, so that the deterioration in image quality is prevented. As a result, the enhancing conversion with respect to the input image data is performed in such a manner as to compensate the optical characteristics of the liquid crystal display panel, and an image noise on account of excessive enhancing conversion with respect to PAL / SECAM (50 Hz) image data, and hence high-quality image display is realized.
Owner:SHARP KK

Image display device

An image display device has a front substrate having an anode and phosphors, a rear substrate having electron sources and opposing the front substrate with a specified spacing therebetween, a support member which is sandwiched between the front and rear substrates, surrounds a display region, and maintains the specified spacing, and plural spacing-maintaining members which are sandwiched between the front and rear substrates in the display region, and are fixed at at least one of end faces of each of the spacing-maintaining members to a corresponding one of the front and rear substrates. Both end faces of the support member is hermetically sealed to the rear and front substrates, respectively. A height of the spacing-maintaining members is greater than that of the support member.
Owner:PANASONIC LIQUID CRYSTAL DISPLAY CO LTD +1

Liquid crystal display and electronic apparatus

A liquid crystal display includes a first substrate and a second substrate opposite to each other with a liquid crystal layer interposed therebetween, first and second electrodes provided on a side of the first substrate facing the liquid crystal layer to drive the liquid crystal layer, and a reflecting layer provided on a part of the side of the first substrate facing the liquid crystal layer. Each pixel region includes a reflective display region where light incoming from the second substrate is reflected by the reflecting layer toward the second substrate to perform display and a transmissive display region where light incoming from the first substrate is transmitted toward the second substrate to perform display. The liquid crystal layer has horizontal alignment in an initial alignment state. A first polarizing plate is provided on a side of the first substrate opposite the liquid crystal layer, the first polarizing plate having a transmission axis parallel or perpendicular to an alignment direction of the liquid crystal layer in the initial alignment state. A second polarizing plate is provided on a side of the second substrate opposite the liquid crystal layer, the second polarizing plate having a transmission axis perpendicular to the transmission axis of the first polarizing plate. A resin layer is provided on a side of the second substrate facing the liquid crystal layer, the resin layer having a first resin layer provided in the transmissive display region and a second resin layer provided in the reflective display region. The first resin layer is a λ / 2 phase layer giving a phase difference of approximately ½ wavelength (wavelength: λ) with respect to visible light, and a slow axis of the first resin layer and the transmission axis of the first polarizing plate are disposed so as to be parallel or perpendicular to each other. The second resin layer is a λ / 2 phase layer giving a phase difference of approximately ½ wavelength with respect to visible light, and a slow axis of the second resin layer is set in a direction intersecting the alignment direction of the liquid crystal layer. A step portion is provided between the first substrate and the resin layer in order to make the thickness of the liquid crystal layer in the reflective display region smaller than the thickness of the liquid crystal layer in the transmissive display region. A slope portion having a continuously changing thickness is provided in an end portion of the step portion. The slope portion is disposed in the transmissive display region.
Owner:JAPAN DISPLAY WEST

Liquid crystal display device with a touch panel

A liquid crystal display device including a liquid crystal display panel having a first surface for displaying an image and a second surface different from the first surface, and a position information input device provided on a first-surface side of the liquid crystal display panel. The position information input device is made of a first substrate and a second substrate more easily deformable than the first substrate. A transparent insulation film is formed over a surface of the first substrate opposed to the second substrate, a first transparent electrode is provided on the transparent insulation film, and the transparent insulation film is located between the first substrate and the first transparent electrode.
Owner:PANASONIC LIQUID CRYSTAL DISPLAY CO LTD +1

Electro-optical apparatus and electronic system

The invention provides an electro-optical apparatus that can include a clock-signal terminal and a phase-difference correction circuit that are connected without branching, and the phase-difference correction circuit and one of scanning-line drive circuits are connected without branching. A clock signal can be supplied to the one of the scanning-line drive circuits through the phase-difference correction circuit. Then the one of the scanning-line drive circuits and the other of the scanning-line drive circuits are connected without branching, and a clock-signal line which supplies the clock signal from the one of the scanning-line drive circuits to the other of the scanning-line drive circuits can be provided.
Owner:138 EAST LCD ADVANCEMENTS LTD

Electro-optical device, method of manufacturing electro-optical device, and electronic apparatus

An electro-optical device comprising thin film transistors disposed closer to a substrate than data lines and a first interlayer insulating film that is laminated on the thin film transistors and is subjected to a planarizing process. Storage capacitors are disposed further from the substrate than the data lines, and each storage capacitor includes a fixed potential side electrode, a dielectric film, and a pixel potential side electrode. Pixel electrodes are disposed further from the substrate than the storage capacitors and are electrically connected to the pixel potential side electrode and the thin film transistor. Each of the data lines comprises a conductive light shielding film which is formed so as to at least partially cover the channel region of each of the thin film transistors in plan view.
Owner:SEIKO EPSON CORP

Liquid crystal display device

A liquid crystal display device prevents the gray level folding in at least one of the vicinities of the highest and lowest gray levels while avoiding the complication of the data line driver circuit. The data line driver circuit generates output voltages whose number is equal to a predetermined gray level number M based on reference voltages, and selects one of the output voltages and outputs the selected one to the display section in response to an inputted image signal, thereby displaying images The applied voltage-brightness characteristic of the display section has a zero brightness change region in which the reference voltage corresponding to the highest gray level is located. The reference voltage corresponding to the next lower level to the highest level is set such that the brightness at the next lower level is lower than that at the highest level by a predetermined difference.
Owner:NEC LCD TECH CORP

Electro-optical device and electronic apparatus

An electro-optical device includes first switching elements which are correspondingly provided at intersections of a plurality of scanning lines and a plurality of data lines in a display region, at least three metal layers which are provided in the display region, a wiring line portion which is provided in an adjacent region of the display region and supplies signals to second switching elements through signal lines formed of at least two metal layers of the three metal layers, and an electromagnetic shield which is provided in the adjacent region of the display region. The electromagnetic shield has a first shield portion which covers the wiring line portion using metal layers other than the metal layers forming the signal lines, and a second shield portion which is electrically connected to the first shield portion and is disposed between the signal lines.
Owner:138 EAST LCD ADVANCEMENTS LTD

Display device and driving circuit for the same display method

A display device is for carrying out display by supplying a data signal, that is supplied from a video signal line, to one of a plurality of pixel electrodes via a switching element, and by supplying a scanning signal for controlling ON / OFF state of the switching element to the switching element via a scanning signal line that is orthogonal to the video signal line and is connected to the switching element. When the scanning signal is outputted to the scanning signal line, the scanning signal has a falling waveform that first falls substantially vertically from an ON-level of the switching element in a direction of an OFF-level of the switching element, and then starts falling with a slope, and again falls substantially vertically before reaching the OFF-level of the switching element. As such, the writing of the data signal to the pixel electrode may be securely carried out even when the writing period for each scanning signal is reduced, thereby displaying a high-quality image.
Owner:UNIFIED INNOVATIVE TECH

Polarization element and projector

A polarization element includes: a substrate; and a plurality of grid sections arranged on the substrate, wherein the grid sections each have protruding sections and recessed sections alternately arranged in a longitudinal direction of the grid sections at a pitch shorter than a wavelength of incident light, in the plurality of grid sections, the arrangement pitch P of the protruding sections is the same, and a proportion (D=L / P) of a length L of the protruding section to the arrangement pitch P of the protruding sections is the same, and a height of the protruding sections is different between the grid sections adjacent to each other.
Owner:SEIKO EPSON CORP

Method for manufacturing image display device

By a method for manufacturing a flat image display device having a plate spacer, even if the center of the plate spacer is displaced from its initial assembly position, it can easily be corrected to the initial assembly position again, allowing stable production of high-quality image display devices. The present invention includes the process of forming a space between the plate spacer and a first substrate between the process of fixing the plate spacer to the first substrate and the process of tightly bonding the first substrate and a second substrate together.
Owner:CANON KK
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