Abstract: An optical recording medium includes a plurality of information signal layers. The plurality of information signal layers include a recording layer having a first surface that faces a light irradiation surface and a second surface on the side opposite to the first surface, a first dielectric layer that is provided on the side of the first surface, and a second dielectric layer that is provided on the side of the second surface. The second dielectric layer provided in the information signal layer positioned on the innermost side when viewed from the light irradiation surface contains indium oxide and tin oxide.

Abstract: An optical element (100c), a mobile phone cover plate covering the optical element (100c) and a mold for manufacturing the optical element (100c). The optical element (100c) comprises: plural texture patterns (1c), at least one of the plural texture patterns (1c) having a concave structure or a convex structure, the at least one texture pattern (1c) containing at least one sub-texture pattern unit (11c, 12c), wherein the at least one texture pattern (1c) is of a curved shape. Hence, the texture patterns may produce a light shadow effect, which have a good visual effect, and when they are applied in the field of decoration, they are able to enhance a decoration effect, and make the decoration rich in visual senses and pictures vivid.

Abstract: A light emitting device includes: a substrate; and at least one light-emitting part comprising a light source and a sealing member covering the light source, wherein the sealing member includes a dent and a peripheral portion surrounding the dent, and includes at least one projection at the peripheral portion.

Abstract: A radial servo control device for a super-resolution optical disc includes an excitation light source, a servo light source, an integrated optical path, focusing units, a servo light detecting unit and a drive control unit; the drive control unit presets N detection error reference values with respect to each guide layer trench irradiated by servo light, and controls corresponding positions of the focusing units in N data tracks below each guide layer trench according to a comparison result between a detection result of servo reflected light and the detection error reference values. The device is applicable to a variety of super-resolution optical discs on the basis of stimulated radiation loss microscopy technology, a two-photon absorption technology, and the like, and achieves accurate radial servo control of super-resolution data tracks (<100 nm) without reducing the wavelength of servo light and the width of guide layer trenches.

Abstract: Provided is a surface treatment method capable of reducing a cost and a time for production. In the surface treatment method, while a first nozzle (70) and a second nozzle (80) are disposed in the same chamber (1), the first nozzle (70) aerosolizes tin oxide particles and blows the aerosolized tin oxide particles on a stainless steel substrate (C10) at a first particle velocity V1. The second nozzle (80) aerosolizes tin oxide particles and blows the aerosolized tin oxide particles on the stainless steel substrate (C10) at a second particle velocity V2 higher than the first particle velocity V1.

Abstract: The present disclosure provides a flexible display panel and a lower bezel structure thereof. The lower bezel structure includes a input end, a output end and a connecting portion connected between the input end and the output end, wherein the input end is used for connecting with a PCB of the flexible display panel, the output end is used for connecting with the display screen of the flexible display panel, the input end includes a plurality of interface areas, the plurality of interface areas are arranged in a straight line along a direction parallel to the connecting portion, and the plurality of interface areas include a COF interface area. By adopting the COF structure, the production cost of a single panel can be reduced, the length of the entire lower frame can be reduced, the utilization of the production substrate can be increased, and the production cost can be reduced.

Abstract: Systems and methods for training image processing neural networks by synthetic photorealistic indicia-bearing images. An example method comprises: generating an initial set of images, wherein each image of the initial set of images comprises a rendering of a text string; producing an augmented set of images by processing the initial set of images to introduce, into each image of the initial set of image, at least one simulated image defect; generating a training dataset comprising a plurality of pairs of images, wherein each pair of images comprises a first image selected from the initial set of images and a second image selected from the augmented set of images; and training, using the training dataset, a convolutional neural network for image processing.

Abstract: In a case where (i) a reflectance calculated from a reflected light amount obtained from a longest pit (P1max) or a longest space (S1max) in a first pit row is defined as a first reflectance and (ii) a reflectance calculated from a reflected light amount obtained from a longest pit (P2max) or a longest space (S2max) in the second pit row is defined as a second reflectance, the first pit row is formed such that the first reflectance becomes substantially identical with the second reflectance.

Abstract: An optical disk (100) of the present invention includes (i) a medium information region (101) (a) in which type identification information is recorded by recesses and/or protrusions which are formed by a given modulation method and whose lengths are longer than a length of an optical system resolution limit of a playback device and (b) in which first address information is recorded in a first address data format and (ii) a data region (102) (a) in which content data is recorded by recesses and/or protrusions which are formed by the given modulation method and which include a recess and/or a protrusion whose length is shorter than the length of the optical system resolution limit and (b) in which second address information is recorded in a second address data format.

Abstract: Provided is an optical medium reproducing apparatus including: a detection unit that divides a luminous flux into a plurality of regions including a first region and a second region which are different in a position in a radial direction and/or a tangential direction, and combines a plurality of detection signals in correspondence with the amount of light that is incident to each of the plurality of regions with combination patterns which are selected to form signals of a plurality of channels; a multi-input equalizer unit that includes a plurality of equalizer units to which the signals of the plurality of channels are respectively supplied, computes outputs of the plurality of equalizer units, and outputs the resultant value as an equalization signal; and a binarization unit that performs binarization processing with respect to the equalization signal to obtain binary data.

Abstract: In a case where (i) a reflectance calculated from a reflected light amount obtained from a longest pit (P1max) or a longest space (S1max) in a first pit row is defined as a first reflectance and (ii) a reflectance calculated from a reflected light amount obtained from a longest pit (P2max) or a longest space (S2max) in the second pit row is defined as a second reflectance, the first pit row is formed such that the first reflectance becomes substantially identical with the second reflectance.

Abstract: Provided is an optical information recording medium including: a continuously wobbling groove formed in advance by a CAV or a zone CAV. Information is allowed to be recorded on the groove and a land adjacent to the groove, address information is recorded by modulating the wobble, the address information includes a sync pattern indicating a position of the address information and address data, and the sync pattern includes a plurality of first wobble patterns and a second wobble pattern between the first wobble patterns, and at least part of intervals of the first wobble patterns are set to unequal intervals.

Abstract: An optoelectronic semiconductor device has a semiconductor body including a semiconductor layer sequence with an active region that generates radiation, a semiconductor layer and a further semiconductor layer, wherein the active region is arranged between the semiconductor layer and the further semiconductor layer, a current spreading layer is arranged on a radiation exit face of the semiconductor body, the current spreading layer connects electrically conductively with a contact structure for external electrical contacting of the semiconductor layer, in a plan view of the semiconductor device the current spreading layer adjoins the semiconductor layer in a connection region, and the current spreading layer includes a patterning with a plurality of recesses through which radiation exits the semiconductor device during operation.

Abstract: An optical disk (100) of the present invention includes (i) a medium information region (101) (a) in which type identification information is recorded by recesses and/or protrusions which are formed by a given modulation method and whose lengths are longer than a length of an optical system resolution limit of a playback device and (b) in which first address information is recorded in a first address data format and (ii) a data region (102) (a) in which content data is recorded by recesses and/or protrusions which are formed by the given modulation method and which include a recess and/or a protrusion whose length is shorter than the length of the optical system resolution limit and (b) in which second address information is recorded in a second address data format.

Abstract: A reproducing device (100) includes (i) an optical pickup (6) for irradiating, with reproduction light, an optical disk (1) which is a super-resolution medium, (ii) an RF signal processing circuit (9) for converting, into a reproduction signal, light which reflected off optical disk (1), (iii) an i-MLSE detecting section (141) for evaluating quality of the reproduction signal, and (iv) a spherical aberration correcting section (142) for correcting a spherical aberration by using a result of evaluation of the quality of the reproduction signal.

Abstract: An envelope extracting apparatus includes: a clock extracting device arranged to extract a clock signal of a receiving modulation signal according to a first biasing voltage; and an edge detecting device arranged to generate a detecting signal to indicate an envelope edge of the receiving modulation signal according to a delayed clock signal of the clock signal and a second biasing voltage; wherein the second biasing voltage or a delay time of the clock signal is adjustable.

Abstract: A holographic storage disk includes a reflective layer, a storage layer, and quarter-wave plate. A storage layer is disposed on the reflective layer and includes a reflection-structure layer and photosensitive units. The reflection-structure layer has cavities, in which the reflection-structure layer is grid-shaped. The cavities penetrate the reflection-structure layer. The photosensitive units are disposed in the cavities. The quarter-wave plate is disposed between the reflective layer and the photosensitive units.

Abstract: In a case where (i) a reflectance calculated from a reflected light amount obtained from a longest pit (P1max) or a longest space (S1max) in a first pit row is defined as a first reflectance and (ii) a reflectance calculated from a reflected light amount obtained from a longest pit (P2max) or a longest space (S2max) in the second pit row is defined as a second reflectance, the first pit row is formed such that the first reflectance becomes substantially identical with the second reflectance.

Abstract: An optical disc medium includes a land and a groove at which information can be recorded. A predetermined number of address information units which record address information of the land or groove are provided in a circumferential direction of the optical disc medium. The address information unit of the land includes three or more address recording areas capable of recording address information. The address information is recorded on one area selected from among the three or more address recording areas. The address information unit of the land has address information which is recorded, in the same modulation, on the side of the inner adjacent groove and on the side of the outer adjacent groove. The one area to be selected from among the three or more address recording areas for recording the address information of the land is different among three address information units adjacently arranged in a radial direction.

Abstract: A method for detecting the position of a target object in the environment of a host vehicle. The method may include receiving a first position of the target object as detected by an object position sensor which emits waves and receives the waves that are reflected back by the target object, and receiving an image containing the target object as detected by an image sensor. The method may also include projecting the first position on the image, and refining the first position by computing a second refined position of the target object on the basis of a symmetry search within the image.

Abstract: A method for copy protection in which an audiovisual or audio data is divided into a plurality of portions. The plurality of portions is at least partly scrambled and prepared so as to be stored on a record carrier in the scrambled order. This is done so that a physical position on the record carrier, e.g., a sector of the record carrier, where a respective portions of the divided data is stored depends on the scrambled order.

Abstract: In exemplary implementations of this invention, a manufactured physical object includes surface features that encode information according to a code. Each respective surface feature consists of a bump on, or recess in, a surface of the object. Each respective surface feature by itself, regardless of any state of any other surface feature, encodes a sequence of multiple bits. The sequence is determined, at least in part, by a discrete elevation of the respective surface feature. At least three different discrete elevations of surface features are significant in the code. Also, one or more other parameters of the surface features may be significant in the code, such as discrete rotational orientation, discrete overall shape, discrete color, or presence or absence of the feature.

Abstract: An optical disc having a region with pre-recorded data and a recordable region, a method of fabricating the disc, a stamper for forming a disc master, and a recording device for use with the disc are disclosed. Data recorded in the recordable region may be used for activation of the disc, providing unique identification or enhancing program content on the disc.

Abstract: An optical disc having a region with pre-recorded data and a recordable region, a method of fabricating the disc, a stamper for forming a disc master, and a recording device for use with the disc are disclosed. Data recorded in the recordable region may be used for activation of the disc, providing unique identification or enhancing program content on the disc.

Abstract: The present technology relates to an optical recording medium for realizing an optical recording medium capable of high-capacity recording. A groove and a land are formed, the groove being concave and the land being convex when seen from a side of a laser light incident surface, both of the groove and the land being recording tracks where recording or reproduction of information is performed. According to this recording layer, a pitch between the groove and the land that are adjacent recording tracks is within a range of 250 nm to 200 nm. Moreover, recording or reproduction of information is performed with respect to the recording tracks by irradiation of laser light whose wavelength is 400 nm to 415 nm by an optical system whose NA is 0.85±0.1.

Abstract: An information storage device has small compartments for storing information in a solid body and can be used as a memory medium. The solid body can have at least one pair of parallel planar portions on its surface. The information is divided into bits and stored in discrete minute areas that are distributed three-dimensionally inside the memory medium. The data can be converted into a digital format for storage to regulate the number of ‘1s’ recorded in a direction of the memory medium.

Abstract: An information recording medium includes a plurality of wobbled tracks, in which a phase mismatch range of an adjacent wobble is a portion of a range of one track.

Abstract: An optical information recording medium has a first information recording layer (20) and a second information recording layer (40) each of which includes (i) a group of pre-pits (31, 51) constituting marks (32, 52) and spaces (33, 53) and (ii) a super-resolution film (23, 43), the marks (32, 52) and the spaces (33, 53) having different lengths, an average length of a smallest mark that is smallest in length and a smallest space that is smallest in length being less than or equal to a resolution limit of a reproduction optical system for reproducing information recorded on the first information recording layer (20) and the second information recording layer (40), the group of pre-pits (31, 51) being formed so that a push-pull signal for the reproduction optical system to reproduce the information recorded by the group of pre-pits is negative in polarity. This provides an inexpensive and high-capacity multilayer optical information recording medium based on a super-resolution technology.

Abstract: An optical disc device and information recording/reading method for an optical disc in which a recording layer is formed through volume recording by aligning recording tracks, which hold information, in a homogenous recording region that does not internally have a layer defining a recording position. The information recording method includes a step in which a first recording layer forming a complex recording layer is formed by forming a recording track while recording information by focusing a main beam at a predetermined depth position in the recording region, and a step in which a second recording layer forming the complex recording layer is formed by forming a recording track while recording information by focusing the main beam at a depth position that is separated from the first recording layer in a depth direction by a depth offset greater than ? of a wavelength of the main beam.

Abstract: The reliability of a super-resolution optical information recording medium whose capacity can be increased is increased. On an optical information recording medium (11) according to the present invention, a content is recorded as a pit group formed such that an average length Tm [nm] of a minimum mark length and a minimum space length becomes shorter than an optical system resolution limit, and reading speed information designating a reading speed in a range from 2×(4.92×Tm/149) [m/s] to less than (10000/60)×2×?×(24/1000) [m/s] is recorded as a reading speed for reproducing the content.

Abstract: An information recording medium is provided with an information track formed thereon in a shape of concentric circles or in a spiral shape, wherein a continuously-wobbling groove in which information is recorded is formed in advance, the information is delimited by a predetermined number of wobble sections, a sync mark is placed in a plurality of wobble sections in the vicinity of a delimiter of the predetermined number of wobble sections, and the sync mark is spaced apart from data other than the sync mark at a distance.

Abstract: An optical information recording medium of a CAV or a zone CAV, in which a groove wobbling continuously is formed in advance so as to record information to a groove and a land abutting the groove, the groove alternately has a first wobble position in which a wobble fundamental wave form has been modulated by groove address information, and a second wobble position of the wobble fundamental wave form, and in grooves of both sides by which the land is interposed, the first wobble position and the second wobble position are different from each other in position.

Abstract: A disc encoding system encodes a plurality of optical discs with identical data on a first portion and variable data on a second portion of each of the plurality of optical discs. A hybrid disc can include a first and a second portion. The hybrid disc enables encoding the identical data on the first portion using a disc pressing process in which a master disc is used to define a pressing pattern. The variable data can be written on the second portion using a disc burning process in which at least one laser is used to modify a reflective property of the hybrid optical disc material, such that at least some of the optical discs vary in content. In an embodiment, the identical data includes one of movies, games, software, or music and the variable data includes one of digital fingerprints, logo data, or advertisement content. The disc encoding system can use location identifiers to identify location in the second portion of the hybrid optical disc for burning varying data.

Abstract: An optical-information recording medium includes a groove and a land that are alternately provided. Address information in the groove is recorded by wobbles in the groove, and address information on the land is recorded by a combination of the wobbles in the grooves provided at two opposite sides of the land.

Abstract: An optical information recording medium has a first information recording layer (20) and a second information recording layer (40) each of which includes (i) a group of pre-pits (31, 51) constituting marks (32, 52) and spaces (33, 53) and (ii) a super-resolution film (23, 43), the marks (32, 52) and the spaces (33, 53) having different lengths, an average length of a smallest mark that is smallest in length and a smallest space that is smallest in length being less than or equal to a resolution limit of a reproduction optical system for reproducing information recorded on the first information recording layer (20) and the second information recording layer (40), the group of pre-pits (31, 51) being formed so that a push-pull signal for the reproduction optical system to reproduce the information recorded by the group of pre-pits is negative in polarity. This provides an inexpensive and high-capacity multilayer optical information recording medium based on a super-resolution technology.

Abstract: There is provided a recording medium including: simple tracks each configured of arranged pits or arranged marks; and grooved tracks each configured of pits or marks and grooves, the grooves being inserted between the pits or between the marks. The simple tracks and the grooved tracks are arranged alternately in a radial direction at a track pitch of 0.27 micrometers or smaller.

Abstract: The present technology relates to an optical recording medium for realizing an optical recording medium capable of high-capacity recording. A groove and a land are formed, the groove being concave and the land being convex when seen from a side of a laser light incident surface, both of the groove and the land being recording tracks where recording or reproduction of information is performed. According to this recording layer, a pitch between the groove and the land that are adjacent recording tracks is within a range of 250 nm to 200 nm. Moreover, recording or reproduction of information is performed with respect to the recording tracks by irradiation of laser light whose wavelength is 400 nm to 415 nm by an optical system whose NA is 0.85±0.1.

Abstract: There is provided a playback device including a light source, an objective lens that radiates light emitted onto an optical recording medium, and onto which is incident reflected light obtained from a recording surface of the optical recording medium, a condenser lens that condenses the reflected light, a photodetecting section configured to, provided that a confocal position is a focal position of the condenser lens, ? is a wavelength of light radiated onto the optical recording medium, and NA is a numerical aperture of the objective lens, extract and detect light within a range of a diameter less than 1.5?/NA centered on an optical axis at the confocal position, and a phase difference imparting section that imparts a designated phase difference between a reflected light component from a readout track and a reflected light component from a track neighboring the readout track.

Abstract: The present techniques present methods and systems for increasing a data reading rate on optical data disks using a single reading head. The methods take advantage of the difference between a mean focal distance (MFD), or minimum spacing that the detector can distinguish between bits, and the minimum separation of bits in a single track to increase the reading speed. As the bits may be more closely spaced across adjacent tracks or layers, these techniques may be used to increase the reading speed of the disk. Specifically, the data symbols that make up a single bit-stream may be stored in a pattern horizontally across adjacent tracks, or vertically across adjacent layers. Accordingly, the focal point of the detector is scanned across the disk in the same pattern to read the individual data symbols.

Abstract: A recording medium is provided with: a guide layer on which a guide track or tracks are formed; and a plurality of recording layers, wherein a same mark group is formed in a same rotational phase position of each of a plurality of guide tracks which are included in a beam spot of guide laser light, the mark group including a pair of record marks which are shifted by a predetermined distance toward a right side and a left side, respectively, from a track center.

Abstract: An optical information recording medium has a first information recording layer (20) and a second information recording layer (40) each of which includes (i) a group of pre-pits (31, 51) constituting marks (32, 52) and spaces (33, 53) and (ii) a super-resolution film (23, 43), the marks (32, 52) and the spaces (33, 53) having different lengths, an average length of a smallest mark that is smallest in length and a smallest space that is smallest in length being less than or equal to a resolution limit of a reproduction optical system for reproducing information recorded on the first information recording layer (20) and the second information recording layer (40), the group of pre-pits (31, 51) being formed so that a push-pull signal for the reproduction optical system to reproduce the information recorded by the group of pre-pits is negative in polarity. This provides an inexpensive and high-capacity multilayer optical information recording medium based on a super-resolution technology.

Abstract: An optical recording medium includes: a medium information region on which medium identification information is recorded; a content region on which content information is recorded; and a blank region provided between the medium information region and the content region and in which at least two tracks are provided so as to connect a train of prepits in the medium information region and a train of prepits in the content region. No information is recorded on the blank region. Thus, an optical recording medium is provided in which a region on which medium identification information is recorded and a region on which content information is recorded are different in track pitch and in which a reproduction error hardly occurs when reproduction shifts from the region on which the medium identification information is recorded to the region on which the content information is recorded.

Abstract: In exemplary implementations of this invention, a manufactured physical object includes surface features that encode information according to a code. Each respective surface feature consists of a bump on, or recess in, a surface of the object. Each respective surface feature by itself, regardless of any state of any other surface feature, encodes a sequence of multiple bits. The sequence is determined, at least in part, by a discrete elevation of the respective surface feature. At least three different discrete elevations of surface features are significant in the code. Also, one or more other parameters of the surface features may be significant in the code, such as discrete rotational orientation, discrete overall shape, discrete color, or presence or absence of the feature.

Abstract: An optical information reproduction device includes a light source (14) configured to emit reproduction light, a plasmon resonance element (9) including a resonance section (22) arranged adjacent to a recording region (4) of a recording layer (2), the resonance section (22) causing plasmon resonance between the recording region (4) and the resonance section (22), a photodetector (17a) configured to detect reflected light or transmitted light from the plasmon resonance element (9) on which the reproduction light is irradiated, and a reproduction unit (24) configured to determine, on the basis of a detection signal from the photodetector (17a), whether the recording region (4) is in a recorded state or an unrecorded state, and reproduce information recorded in the recording region (4).

Abstract: Obtain an expanded address without altering the bit number of an address which is embedded in a wobble. Generate a virtual bit which is not recorded on a disc, and which is expressed by the disparity from the rules and the presence or absence of information embedded in part or all of the wobble address.

Abstract: An optical information recording medium has a first information recording layer (20) and a second information recording layer (40) each of which includes (i) a group of pre-pits (31, 51) constituting marks (32, 52) and spaces (33, 53) and (ii) a super-resolution film (23, 43), the marks (32, 52) and the spaces (33, 53) having different lengths, an average length of a smallest mark that is smallest in length and a smallest space that is smallest in length being less than or equal to a resolution limit of a reproduction optical system for reproducing information recorded on the first information recording layer (20) and the second information recording layer (40), the group of pre-pits (31, 51) being formed so that a push-pull signal for the reproduction optical system to reproduce the information recorded by the group of pre-pits is negative in polarity. This provides an inexpensive and high-capacity multilayer optical information recording medium based on a super-resolution technology.

Abstract: In the land-groove method, wobble interference is reduced. STW modulation is used as wobble modulation for a part where wobble interference can occur, for example, a part where the configurations of both side walls of the groove are not the same and groove width modulation is unavoidable. Thereby, the amplitude of the groove width modulation can be suppressed to a quarter of that when BPSK modulation is used.

Abstract: An optical disc having a region with pre-recorded data and a recordable region, a method of fabricating the disc, a stamper for forming a disc master, and a recording device for use with the disc are disclosed. Data recorded in the recordable region may be used for activation of the disc, providing unique identification or enhancing program content on the disc.

Abstract: An optical disc (120) has a first mark (131) disposed at the center of a track, a second mark (132) disposed away from the center of the track in a tracking direction thereof by a distance b1, and disposed away from the first mark (131) in the direction along the track by a distance L, and a third mark (133) disposed away from the center of the track in the tracking direction opposite to that of the second mark (132) by a distance b2, and disposed away from the first mark (131) in the direction along the track by a distance L2. The second and third marks (132) and (133) generate scattered light depending on the distance between a scattering medium (103) and each of the marks by irradiating the scattering medium (103) in an optical information apparatus with light. The distances b1 and b2 are smaller than 50 nm.

Abstract: An optical disk structure and optical disk recorder which enables data to be rewritten onto the recording layer of the optical disk. A clock reference structure is permanently formed along servo tracks of the optical disk. An optical transducer is coupled to the clock reference structure and generates a clock reference signal simultaneously with writing new data onto the recording layer of the optical disk. The data is written as data marks along the servo tracks. Each of the data marks includes edges. The edges of the data marks are recorded in synchronization with a write clock. The write clock is phase-locked with the clock reference signal. Therefore, the edges of the data marks are aligned with the clock reference structure with sub-bit accuracy. Standard DVD-ROM disk readers are not able to detect the high spatial frequency of the clock reference structure.