Patent application number | Description | Published |
20080303419 | LIGHT-EMITTING APPARATUS - Provided is a light-emitting apparatus which can improve the light extraction efficiency without adversely influencing a functional layer of a light-emitting device and which includes a substrate; a light-emitting device formed on the substrate, the light-emitting device including: a first electrode formed on the substrate; an insulating member covering a periphery of the first electrode; and a functional layer formed on an exposed portion of the first electrode and including an emission layer; and a second electrode formed on the functional layer and the insulating member, in which a periodic structure is formed on a surface of the insulating member opposite to a substrate side, and an optical waveguide is formed between a bottom portion of the periodic structure and the first electrode or between the bottom portion of the periodic structure and the substrate. | 12-11-2008 |
20090021151 | DISPLAY APPARATUS - Provided is a display apparatus, in which: among a red light emitting device, a green light emitting device, and a blue light emitting device, one or two of the organic light emitting devices include a metal translucent layer on a side closer to a second electrode with respect to a emission layer and a second reflection surface includes a surface of the metal translucent layer on a side of the emission layer; and the rest of the organic light emitting devices include a low-refractive index layer having a lower refractive index than the second electrode on the side closer to the second electrode with respect to the emission layer and the second reflection surface includes a surface of the low-refractive index layer on the side of the emission layer. | 01-22-2009 |
20090051627 | DISPLAY METHOD OF EMISSION DISPLAY APPARATUS - Sticking of a Pixel is suppressed to improve the life of a display panel. In an emission display apparatus with a display panel in which a plurality of pixels each having at least one subpixel are disposed. A first display method of emitting light with only a pixel P(i,j) serving as an emission center and a second display method of allocating luminance of the pixel P(i,j) serving as an emission center to nearby pixels surrounding the pixel are combined in a controllable manner. A high-resolution mode with a high ratio of the first display method and a long-life mode with a high ratio of the second display method are switched therebetween depending on a spatial change or time change of image input data, an emission time, a degradation rate, a temperature, an emission luminance, and a display time. | 02-26-2009 |
20100060156 | DISPLAY APPARATUS - A display apparatus includes a substrate; a plurality of pixels arranged above the substrate, each including a plurality of sub-pixels emitting light of different colors; a circularly polarizing member disposed above the pixels, the transmittance of light of a selected color through the circularly polarizing member being higher than that of light of the other colors therethrough; and a light-absorbing member disposed only above the sub-pixels, emitting light of the non-selected colors. The light-absorbing member absorbs light of the selected color. | 03-11-2010 |
20100095752 | COKE OVEN WALL SURFACE EVALUATION APPARATUS, COKE OVEN WALL SURFACE REPAIR SUPPORTING APPARATUS, COKE OVEN WALL SURFACE EVALUATION METHOD, COKE OVEN WALL SURFACE REPAIR SUPPORTING METHOD AND COMPUTER PROGRAM - An oven wall three-dimensional profile data ( | 04-22-2010 |
20100219427 | LIGHT-EMITTING APPARATUS - Provided is a light-emitting apparatus in which light extraction efficiency of a light-emitting device is improved and viewing angle dependency of an emission color is reduced. The light-emitting apparatus includes a cavity structure and a periodic structure. When guided-wave light is diffracted by the periodic structure in a direction that forms an angle which is larger than 90° and smaller than 180° relative to a guided-wave direction of an optical waveguide in the cavity structure, a wavelength of the diffracted light becomes longer as the diffraction angle increases. | 09-02-2010 |
20100289038 | DISPLAY APPARATUS - A display apparatus includes a light emitting device emitting red light, a light emitting device emitting green light, and a light emitting device emitting blue light. The display apparatus includes a circular polarizer provided on the light extraction side of the light emitting devices. Each light emitting device includes a periodic structure for extracting light from the light extraction side of the light emitting device, the light being generated in a light emitting layer and guided in the in-plane direction of a substrate. Each period of the periodic structure of the light emitting devices is identical, and the period of the periodic structure is more than 200 nm and 380 nm or less. | 11-18-2010 |
20100309098 | IMAGE DISPLAY APPARATUS USING ORGANIC EL DEVICE - Provided is an image display apparatus which achieves robustness of display characteristics (luminance and chromaticity) with respect to a film thickness unevenness, and in which an arbitrary one of pixels includes pixel groups (A and B) which have two characteristics and have a combination of film thicknesses in which: one of the film thicknesses is smaller and another one of the film thicknesses is larger than a film thickness at a peak of a curve in a protruding shape given by an intensity variation of emission luminance with respect to a film thickness variation of the pixel; and the one of the film thicknesses is smaller and the another one of the film thicknesses is larger than a film thickness at a peak of a curve in a protruding shape given by a chromaticity variation of at least one component of chromaticity (CIE x, CIE y) with respect to the film thickness variation of the pixel. | 12-09-2010 |
20110031515 | ORGANIC LIGHT-EMITTING DEVICE - The organic light-emitting device of the present invention includes a plurality of organic light-emitting elements including an organic light-emitting element showing a first emission color and at least one organic light-emitting element showing a different emission color from the first emission color, each of the organic light-emitting elements including: a first electrode having a reflective surface; a second electrode placed on a light extraction side and including a semi-transparent layer; an organic compound layer including a light-emitting layer and formed between the first electrode and the second electrode; and a micro cavity structure for resonating light emitted from the light-emitting layer between the reflective surface and the semi-transparent layer, wherein the semi-transparent layer in the organic light-emitting element showing the first emission color is different in thickness and/or material from the semi-transparent layer in the at least one organic light-emitting element showing the different emission colors. | 02-10-2011 |
20110101386 | DISPLAY APPARATUS AND METHOD OF PRODUCING SAME - To further improve light extraction efficiency, a light-emitting apparatus includes a cavity for resonating light emitted from a emission layer between a first reflective surface and a second reflective surface. The first reflective surface is located on a first electrode side relative to the emission layer. The second reflective surface is located on a second electrode side relative to the emission layer. A periodic structure for extracting, to outside of a light-emitting device, light which is generated from the emission layer and wave-guided in an in-plane direction of the light-emitting device between the first reflective surface and the second reflective surface is formed in the first reflective surface, or in the second reflective surface, or between the first reflective surface and the second reflective surface. | 05-05-2011 |
20110193116 | LIGHT EMITTING DEVICE - To improve light extraction efficiency of a light emitting device, the light emitting device includes: a first electrode; a second electrode provided on a light extraction side; an emission layer formed between the first electrode and the second electrode; a reflection surface located on the first electrode with respect to the emission layer; and a periodic structure at a node of interference generated by light emitted from the emission layer and light emitted from the emission layer to the reflection surface side and reflected on the reflection surface. The periodic structure is for diffracting light generated in the emission layer and guided in an in-plane direction of the light emitting device in a direction to the second electrode, and for extracting the light to the outside of the light emitting device. | 08-11-2011 |
20120147227 | IMAGE PICKUP APPARATUS AND CONTROL METHOD THEREOF - The image pickup apparatus includes an image sensor having first and second pixels photoelectrically convert light fluxes passing through mutually different pupil areas, a correction calculating part calculating a correction parameter corresponding to a vignetting state of the light fluxes and performing a correction process using the correction parameter on first and second image signals produced from outputs from the first and second pixels, and a focus detection calculating part calculating a focus state of the image taking optical system based on a phase difference between the first and second image signals on which the correction process have been performed. The correction calculating part performs the correction process using a first correction parameter in the first focus detection area, and performs it using the first correction parameter in a second focus detection area close to the first focus detection area. | 06-14-2012 |
20120249846 | SOLID-STATE IMAGE SENSOR AND IMAGE CAPTURING APPARATUS - A solid-state image sensor which comprises a pixel group in which unit pixels each including a microlens and a plurality of photo-electric converters are arrayed two-dimensionally, wherein a shielding unit that shields part of all of a plurality of photo-electric converters corresponding to a single microlens is provided in a portion of the unit pixels. | 10-04-2012 |
20120249852 | IMAGE SENSOR AND IMAGE-CAPTURING APPARATUS - The capacitance of a charge-accumulating layer of an imaging pixel is made different from that of a charge-accumulating layer of a focusing pixel, thereby reducing the difference in saturation capacitance due to the difference between the light-reception efficiencies of the imaging pixel and the focusing pixel. The ratio between the capacitance of the charge-accumulating layer of the imaging pixel and that of the charge-accumulating layer of the focusing pixel is determined in consideration of a variation in ratio between the light-reception efficiencies of the imaging pixel and the focusing pixel with a change in at least one of the exit pupil distance and the aperture value. | 10-04-2012 |
20120268634 | IMAGE SENSOR AND IMAGE CAPTURING APPARATUS - An image sensor comprising a plurality of image sensing pixel groups is provided. Each of the image sensing pixel groups has a plurality of first pixels each having photoelectric conversion portions arrayed in first and second directions for first and second numbers of divisions, respectively, and a plurality of second pixels each having photoelectric conversion portions arrayed in the first and second directions for third and fourth numbers of divisions, respectively. The photoelectric conversion portions comprising the first pixel and the second pixel have a function of photoelectrically converting a plurality of images formed by divided light fluxes of a light flux from an imaging optical system and outputting a focus detection signal for phase difference detection. The first and third numbers of division are coprime natural numbers, and the second and fourth numbers of divisions are coprime natural numbers. | 10-25-2012 |
20120300104 | IMAGE SENSOR AND IMAGE CAPTURING APPARATUS - An image sensor comprises a first imaging pixel and a second imaging pixel each of which detects an object image formed by a photographing optical system and generates a recording image. Each of the first imaging pixel and the second imaging pixel comprises a plurality of photoelectric conversion units segmented in a first direction, the plurality of photoelectric conversion units have an ability of photoelectrically converting images formed by split light beams out of a light beam from the photographing optical system and outputting focus detection signals to be used to detect a phase difference. A base-line length of photoelectric conversion units to be used to detect the phase difference included in the first imaging pixel is longer than that of photoelectric conversion units to be used to detect the phase difference included in the second imaging pixel. | 11-29-2012 |
20130083230 | IMAGE SENSOR AND IMAGE PICKUP APPARATUS - The image sensor | 04-04-2013 |
20130113987 | FOCUS DETECTION APPARATUS AND IMAGE PICKUP APPARATUS - The focus detection apparatus includes an image pickup part ( | 05-09-2013 |
20130140663 | IMAGE SENSOR AND IMAGE CAPTURE APPARATUS - An image sensor in which each pixel includes a first sub-pixel including a first semiconductor layer, a second sub-pixel including a second semiconductor layer having a polarity different from a polarity of the first semiconductor layer, a third semiconductor layer having a polarity equal to the polarity of the first semiconductor layer, and a microlens, and which includes a plurality of pixels in which the first semiconductor is included in the second semiconductor layer, and the second semiconductor layer is included in the third semiconductor layer, wherein a center of gravity position of a light-receiving surface defining the first semiconductor layer is different from a center of gravity position of a light-receiving surface defining both the first semiconductor layer and the second semiconductor layer. | 06-06-2013 |
20130147998 | IMAGE CAPTURING APPARATUS AND FOCUS DETECTION METHOD - An image capturing apparatus performs focus detection based on a pair of image signals obtained from an image sensor including pixels each having a pair of photoelectric conversion units capable of outputting the pair of image signals obtained by independently receiving a pair of light beams that have passed through different exit pupil regions of an imaging optical system. In the focus detection, an f-number of the imaging optical system is acquired, the pair of image signals undergo filtering using a first filter formed from an summation filter when the f-number is less than a predetermined threshold, or using a second filter formed from the summation filter and a differential filter when the f-number is not less than the threshold, and focus detection is performed by a phase difference method based on the pair of filtered image signals. | 06-13-2013 |
20130155269 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, IMAGE PICKUP APPARATUS, AND DISPLAY DEVICE - An image processing apparatus generates a plurality of parallactic images having a relationship that the magnitude of an amount of image shift between parallactic images increases with an increase of a defocus amount, generates, through plural selections of the generated parallactic images permitting a repeated same selection, a series of parallactic images in which the selected parallactic images are arranged in a selection order; repeatedly applies interpolation processing to each pair of adjacent parallactic images included in the series of parallactic images to generate a plurality of interpolation images; and arranges the interpolation images between the adjacent parallactic images to output the interpolated parallactic images as an output image of a moving image. | 06-20-2013 |
20130229447 | DISPLAY METHOD OF EMISSION DISPLAY APPARATUS - Sticking of a Pixel is suppressed to improve the life of a display panel. In an emission display apparatus with a display panel in which a plurality of pixels each having at least one subpixel are disposed. A first display method of emitting light with only a pixel P(i,j) serving as an emission center and a second display method of allocating luminance of the pixel P(i,j) serving as an emission center to nearby pixels surrounding the pixel are combined in a controllable manner. A high-resolution mode with a high ratio of the first display method and a long-life mode with a high ratio of the second display method are switched therebetween depending on a spatial change or time change of image input data, an emission time, a degradation rate, a temperature, an emission luminance, and a display time. | 09-05-2013 |
20130235253 | IMAGE CAPTURE APPARATUS - An image capture apparatus includes: an image sensor having a plurality of pixels that photoelectrically convert an object image formed by an imaging optical system, each of the pixels having one microlens and a photoelectric conversion portion that has been divided into a plurality of portions; a focus detection unit configured to correct an image shift amount detected with a phase difference detection method using focus detection signal arrays of two images obtained by the photoelectric conversion portions divided into a plurality of portions; and a controller that calculates information corresponding to a movement amount of a lens of the imaging optical system based on the image shift amount detected and corrected by the focus detection unit, and controls movement of the lens of the imaging optical system. | 09-12-2013 |
20130329117 | IMAGE CAPTURE APPARATUS - An image capture apparatus comprises an imaging optical system, an image sensor, a pupil division unit which limits a light beam entering each pixel on the image sensor to a specific pupil area of the imaging optical system, an incident angle determination unit which determines an incident angle to each pixel on the image sensor, an image shift unit which shifts an electric signal obtained from the image sensor, based on the incident angle determined by the incident angle determination unit and a position of a plane on which image generation is performed, and an image generation unit which synthesizes electric signals obtained from the image shift unit. | 12-12-2013 |
20140001589 | IMAGE SENSOR AND IMAGING DEVICE | 01-02-2014 |
20140071322 | IMAGE PICKUP APPARATUS WITH IMAGE PICKUP DEVICE AND CONTROL METHOD FOR IMAGE PICKUP APPARATUS - An image pickup apparatus capable of making focus detection performance and image pickup performance compatible with each other. A plurality of image pickup pixels detect a subject image formed by an imaging optical system and generate an image for image pickup. Microlenses disposed for the respective image pickup pixels gather incident light to the respective image pickup pixels. Each image pickup pixel has a plurality of photoelectric converters divided in a first direction and a second direction perpendicular to the first direction. Each photoelectric converter photoelectrically converts each of subject images having passed through pupil partial areas corresponding to the respective photoelectric converters in an exit pupil of the imaging optical system and outputs focus detection signals for detecting a phase difference between the subject images. A first curvature of the microlenses in the first direction and a second curvature of the microlenses in the second direction are different. | 03-13-2014 |
20140111677 | IMAGE SENSOR AND IMAGE CAPTURING APPARATUS - An image capturing apparatus comprises an image sensor including a plurality of image forming pixels and a lens which is arranged for the plurality of image forming pixels. Each of the image forming pixels includes a plurality of divided photo-electric conversion units, and the plurality of photo-electric conversion units have a function of photo-electrically converting a plurality of images having passed through different exit pupils of the imaging optical system, and outputting focus detection signals. Each of the image forming pixels includes a first light guide and a second light guide. The first light guide is arranged on a side of the lens, and the second light guide is arranged on a side of the photo-electric conversion unit, and a division count of the second light guide is larger than the division count of the first light guide. | 04-24-2014 |
20140111681 | IMAGE SENSOR AND IMAGE CAPTURING APPARATUS - An image sensor includes a plurality of image forming pixels which receive light beams passing through an imaging pupil area of an imaging optical system, a plurality of first focus detecting pixels which receive light beams passing through a first pupil area smaller than the imaging pupil area, and a plurality of second focus detecting pixels which receive light beams passing through a second pupil area smaller than the imaging pupil area. The geometric centre of the first pupil area differs from the geometric centre of the second pupil area. The eccentricity of the microlens of the first focus detecting pixel relative to the center of the pixel differs from the eccentricity of the first focus detecting pixel relative to the center of the pixel of the microlens of the image forming pixel adjacent to the first focus detecting pixel. | 04-24-2014 |
20140146221 | IMAGE PICKUP APPARATUS, CONTROL METHOD THEREOF, AND PROGRAM - An image pickup apparatus which can perform an AF of a high speed and a high focusing precision by simultaneously realizing a phase difference AF and a contrast AF, decides arrange where a contrast evaluation can be performed on the basis of a correspondence relation between each pixel of an image pickup element which is restricted by pupil division means provided for restricting light of an optical image of an object which enters each pixel of the image pickup element to light from a specific exit pupil area of a photographing lens and the specific exit pupil area of the photographing lens, and decides a focus evaluation value of the object in accordance with the decided range from a contrast focus position or a correlation focus position. | 05-29-2014 |
20140192220 | IMAGE PICKUP APPARATUS AND CONTROL METHOD THEREOF - An image pickup apparatus for simultaneously realizing a phase difference AF and a contrast AF decides a shift amount of an image signal corresponding to a focus evaluation position every exit pupil area, generates an image corresponding to an image plane position by executing an arithmetic operation processing based on the decided shift amount to the image signal, calculates an evaluation value of a contrast of the generated image, and calculates an evaluation value of a correlation between the images corresponding to the different exit pupil areas in the generated image. | 07-10-2014 |
20140253753 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, IMAGE PICKUP APPARATUS, AND DISPLAY DEVICE - An image processing apparatus generates a plurality of parallactic images having a relationship that the magnitude of an amount of image shift between parallactic images increases with an increase of a defocus amount, generates, through plural selections of the generated parallactic images permitting a repeated same selection, a series of parallactic images in which the selected parallactic images are arranged in a selection order; repeatedly applies interpolation processing to each pair of adjacent parallactic images included in the series of parallactic images to generate a plurality of interpolation images; and arranges the interpolation images between the adjacent parallactic images to output the interpolated parallactic images as an output image of a moving image. | 09-11-2014 |
20140320711 | IMAGE CAPTURING APPARATUS AND METHOD OF CONTROLLING THE SAME - An image capturing apparatus having an image sensor including focus detection pixels capable of outputting a pair of image signals for focus detection determines whether each line of the pixels of the image sensor is an addition/non-addition line that outputs the image signal suitable/unsuitable for detection of a correlation amount, obtains the correlation amount for each addition line based on the pair of image signals, add the obtained correlation amount of the addition line, counts the number of addition lines, obtains a defocus amount based on the added correlation amount, and drives a focus lens based on the defocus amount when a product of an evaluation value representing reliability of the defocus amount and a predetermined standard number of additions is smaller than the product of the number of addition lines and a standard evaluation value representing a predetermined evaluation value. | 10-30-2014 |
20140332661 | FOCUS ADJUSTMENT APPARATUS, FOCUS ADJUSTMENT METHOD, STORAGE MEDIUM STORING FOCUS ADJUSTMENT PROGRAM, AND IMAGING APPARATUS - A focus adjustment apparatus has: an imaging unit that is capable of outputting a pair of focus detection signals by photoelectrically converting rays of light which pass through different pupil areas of a focusing optical system; a focus detection unit for detecting a first defocus amount by executing a first filter processing to the pair of focus detection signals; a determination unit for determining a focus state on the basis of the first defocus amount; an evaluation value generation unit for generating an evaluation value of the first defocus amount by executing a second filter processing to the pair of focus detection signals in accordance with a result of the determination; and a control unit for evaluating the result of the determination about the focus state on the basis of the evaluation value and controlling a focus adjustment in accordance with a result of the evaluation. | 11-13-2014 |
20140340567 | FOCUS ADJUSTMENT APPARATUS, FOCUS ADJUSTMENT METHOD AND PROGRAM, AND IMAGING APPARATUS - A focus detection apparatus has an obtaining unit for obtaining a first image signal corresponding to object light passing through a first pupil area of a focusing optical system and a second image signal corresponding to object light passing through a pupil area different from the first pupil area of the focusing optical system, a combination unit for generating a combination signal by combining the first and second image signals at least one of which is shifted by a predetermined step, wherein the shift and the generation of the combination signal are performed for a plurality of predetermined steps and a plurality of combination signals are generated, a calculation unit for calculating a contrast evaluation value from the plurality of combination signals, and a focus detection unit for detecting a defocus amount on the basis of the contrast evaluation value and the shift amount of the shift. | 11-20-2014 |
20140368690 | IMAGE GENERATION METHOD, IMAGE GENERATION APPARATUS, PROGRAM, AND STORAGE MEDIUM - An image generation method is provided for generating an output image from an input image acquired by an image sensor that has an array of multiple pixels, each of which has arranged therein multiple sub-pixels that each receive a light beam that passes through a different pupil sub-area of an imaging optical system. The method includes a step of generating multiple parallax images that respectively correspond to the different pupil sub-areas; a step of generating multiple pixel shifted images by performing different shifting for each of the parallax images according to a virtual image forming plane of the imaging optical system; and a step of generating an output image that has a higher resolution than the resolution of the parallax images from the pixel shifted images through composition processing. | 12-18-2014 |
20150070548 | IMAGE SENSOR AND IMAGE CAPTURING APPARATUS - An image sensor comprising a plurality of image sensing pixel groups is provided. Each of the image sensing pixel groups has a plurality of first pixels each having photoelectric conversion portions arrayed in first and second directions for first and second numbers of divisions, respectively, and a plurality of second pixels each having photoelectric conversion portions arrayed in the first and second directions for third and fourth numbers of divisions, respectively. The photoelectric conversion portions comprising the first pixel and the second pixel have a function of photoelectrically converting a plurality of images formed by divided light fluxes of a light flux from an imaging optical system and outputting a focus detection signal for phase difference detection. The first and third numbers of division are coprime natural numbers, and the second and fourth numbers of divisions are coprime natural numbers. | 03-12-2015 |