JP7153482B2 - メタプロジェクタ、及びそれを含む電子装置 - Google Patents
メタプロジェクタ、及びそれを含む電子装置 Download PDFInfo
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- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
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- G06F3/0425—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means using a single imaging device like a video camera for tracking the absolute position of a single or a plurality of objects with respect to an imaged reference surface, e.g. video camera imaging a display or a projection screen, a table or a wall surface, on which a computer generated image is displayed or projected
- G06F3/0426—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means using a single imaging device like a video camera for tracking the absolute position of a single or a plurality of objects with respect to an imaged reference surface, e.g. video camera imaging a display or a projection screen, a table or a wall surface, on which a computer generated image is displayed or projected tracking fingers with respect to a virtual keyboard projected or printed on the surface
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
- H04N9/315—Modulator illumination systems
- H04N9/3152—Modulator illumination systems for shaping the light beam
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
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- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
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- G03B21/2033—LED or laser light sources
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- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
- G01B11/25—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. one or more lines, moiré fringes on the object
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- G01B9/00—Measuring instruments characterised by the use of optical techniques
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- G02B1/118—Anti-reflection coatings having sub-optical wavelength surface structures designed to provide an enhanced transmittance, e.g. moth-eye structures
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- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/0816—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements
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- G—PHYSICS
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- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/18—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical projection, e.g. combination of mirror and condenser and objective
- G02B27/20—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical projection, e.g. combination of mirror and condenser and objective for imaging minute objects, e.g. light-pointer
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/001—Slide projectors
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2066—Reflectors in illumination beam
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/08—Construction or shape of optical resonators or components thereof
- H01S3/08004—Construction or shape of optical resonators or components thereof incorporating a dispersive element, e.g. a prism for wavelength selection
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/026—Monolithically integrated components, e.g. waveguides, monitoring photo-detectors, drivers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/12—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region the resonator having a periodic structure, e.g. in distributed feedback [DFB] lasers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
- H04N9/315—Modulator illumination systems
- H04N9/3161—Modulator illumination systems using laser light sources
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0938—Using specific optical elements
- G02B27/0944—Diffractive optical elements, e.g. gratings, holograms
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1809—Diffraction gratings with pitch less than or comparable to the wavelength
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1866—Transmission gratings characterised by their structure, e.g. step profile, contours of substrate or grooves, pitch variations, materials
- G02B5/1871—Transmissive phase gratings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/30—Structure or shape of the active region; Materials used for the active region
- H01S5/3013—AIIIBV compounds
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/30—Structure or shape of the active region; Materials used for the active region
- H01S5/34—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers
- H01S5/343—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser
Description
110 基板
112 アノード
114 カソード
116 絶縁層
120 側面発光素子
121 下部クラッド層
122 第1ミラー領域
123 利得領域
124 第2ミラー領域
125 上部クラッド層
127 第1電極
128 第2電極
140,141,142 経路変換部材
NS ナノ構造物
MS,MS1,MS2,MS3,MS4 メタ構造層
Claims (19)
- 基板と、
前記基板上に配置され、前記基板と平行な上面と前記上面に対して傾いた側面とを含み、前記側面から光を出射する側面発光素子と、
前記上面と離隔されるように配置され、前記側面発光素子から出射される光の波長より短いサブ波長の形状寸法を有する複数のナノ構造物を含むメタ構造層と、
前記側面発光素子から出射された光の経路を、前記メタ構造層に向かう方向に変換する経路変換部材と、を含み、
前記メタ構造層は、前記複数のナノ構造物を支持する支持層をさらに含み、
前記複数のナノ構造物は、前記支持層の両面に形成され、
前記支持層の両面のうち、前記側面発光素子からの光が最初に到達する面に形成された前記複数のナノ構造物は、入射光の発散角を広げる透過位相分布を有するように、形状分布が定められる、メタプロジェクタ。 - 前記基板、前記メタ構造層及び前記経路変換部材を固定するハウジングをさらに含み、一体化されたモジュールに形成されることを特徴とする請求項1に記載のメタプロジェクタ。
- 前記経路変換部材は、前記側面発光素子からの光の経路を所定角度に曲げる反射面を含むことを特徴とする請求項1または2に記載のメタプロジェクタ。
- 前記反射面は、前記側面発光素子からの光の波長より短いサブ波長の形状寸法を有する複数のナノ構造物を含むメタ表面を含むことを特徴とする請求項3に記載のメタプロジェクタ。
- 基板と、
前記基板上に配置され、前記基板と平行な上面と前記上面に対して傾いた側面とを含み、前記側面から光を出射する側面発光素子と、
前記側面発光素子から出射された光の経路を変換するものであり、前記側面発光素子から出射される光の経路を所定角度に曲げる反射面を含む経路変換部材と、を含み、
前記反射面は、前記側面発光素子から出射される光の波長より短いサブ波長の形状寸法を有する複数のナノ構造物を含むメタ表面を含み、
前記メタ表面を形成する前記複数のナノ構造物の形状分布は、入射光の発散角を調節するように定められる、メタプロジェクタ。 - 前記反射面は、入射光の発散角を調節することができる曲面を含むことを特徴とする請求項3~5のいずれか一項に記載のメタプロジェクタ。
- 基板と、
前記基板上に配置され、前記基板と平行な上面と前記上面に対して傾いた側面とを含み、前記側面から光を出射する側面発光素子と、
前記側面発光素子から出射された光を受信し、受信された光に基づいて構造光を形成するものであり、前記側面発光素子から出射される光の波長より短いサブ波長の形状寸法を有する複数のナノ構造物と、を含み、
前記複数のナノ構造物を支持する支持層をさらに含み、
前記複数のナノ構造物は、前記支持層の両面に形成され、
前記支持層の両面のうち、前記側面発光素子からの光が最初に到達する面に形成された前記複数のナノ構造物は、入射光の発散角を広げる透過位相分布を有するように、形状分布が定められる、メタプロジェクタ。 - 前記基板は、
前記側面発光素子に具備される2つの電極にそれぞれ連結されるカソード及びアノードと、
前記カソード及びアノードを電気的に分離する絶縁層と、を含むことを特徴とする請求項1~7のいずれか一項に記載のメタプロジェクタ。 - 前記複数のナノ構造物は、前記複数のナノ構造物と隣接した周辺物質の屈折率より高い屈折率を有する物質からなることを特徴とする請求項1~8のいずれか一項に記載のメタプロジェクタ。
- 前記複数のナノ構造物は、伝導性物質からなることを特徴とする請求項1~9のいずれか一項に記載のメタプロジェクタ。
- 前記複数のナノ構造物の形状分布は、所望の構造光のパターンを形成するように、規則的に、またはランダムに定められることを特徴とする請求項1~10のいずれか一項に記載のメタプロジェクタ。
- 前記複数のナノ構造物の形状分布は、前記構造光を所定方向に偏向させて出射するように定められることを特徴とする請求項11に記載のメタプロジェクタ。
- 前記複数のナノ構造物の形状分布は、入射光の偏光に依存し、互いに異なる透過位相分布を形成するように定められることを特徴とする請求項1~12のいずれか一項に記載のメタプロジェクタ。
- 前記複数のナノ構造物は、厚み方向に垂直である断面の形状が、非対称性を有する形状であることを特徴とする請求項1~13のいずれか一項に記載のメタプロジェクタ。
- 前記複数のナノ構造物の配列ピッチは、前記側面発光素子からの光の波長の半分以下であることを特徴とする請求項1~14のいずれか一項に記載のメタプロジェクタ。
- 文字キーのセットが配列されたキーボード映像、または1つ以上のアイコン映像の構造光を形成するように、前記複数のナノ構造物の形状分布が定められることを特徴とする請求項1~15のいずれか一項に記載のメタプロジェクタ。
- 請求項16に記載のメタプロジェクタと、
前記メタプロジェクタによって形成された映像を撮影する撮像素子と、を含むユーザインターフェース機器。 - 請求項17に記載のユーザインターフェース機器と、
1つ以上の実行モジュールが保存されたメモリと、
前記撮像素子によって撮影された映像からユーザの入力信号を抽出し、前記入力信号により、前記1つ以上の実行モジュールのうちいずれか一つを実行するプロセッサと、を含む電子機器。 - 被写体に構造光を照射する請求項1~16のいずれか一項に記載のメタプロジェクタと、
前記被写体から反射された構造光を受光するセンサと、
前記メタプロジェクタで照射した構造光と前記センサで受光した構造光とのパターン変化を比較し、前記被写体の深さ位置を演算する演算部と、を含む深さ認識装置。
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KR102546320B1 (ko) * | 2018-06-18 | 2023-06-22 | 삼성전자주식회사 | 구조광 프로젝터 및 이를 포함하는 전자 장치 |
JP2020064174A (ja) * | 2018-10-17 | 2020-04-23 | セイコーエプソン株式会社 | 光学装置および表示装置 |
US11067877B2 (en) | 2018-11-09 | 2021-07-20 | Samsung Electronics Co., Ltd. | Structured light projector and electronic device including the same |
EP4004608A4 (en) * | 2019-07-26 | 2023-08-30 | Metalenz, Inc. | APERTURE META-SURFACE AND HYBRID REFRACTIVE META-SURFACE IMAGING SYSTEMS |
CN114556193A (zh) * | 2019-08-14 | 2022-05-27 | 阿瓦龙全息照相技术股份公司 | 光场投影仪装置 |
CN112542764A (zh) | 2019-09-23 | 2021-03-23 | 三星电子株式会社 | 光学调制器及包括光学调制器的光束转向系统 |
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US11449178B2 (en) | 2022-09-20 |
KR20190013107A (ko) | 2019-02-11 |
CN109324466A (zh) | 2019-02-12 |
KR102464366B1 (ko) | 2022-11-07 |
JP2019028450A (ja) | 2019-02-21 |
KR20220112221A (ko) | 2022-08-10 |
US20210311588A1 (en) | 2021-10-07 |
US11042243B2 (en) | 2021-06-22 |
US20190034035A1 (en) | 2019-01-31 |
EP3438741A1 (en) | 2019-02-06 |
CN109324466B (zh) | 2022-02-11 |
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