JP6068546B2 - 位相変調器と相互作用する光を変調するための位相変調器 - Google Patents
位相変調器と相互作用する光を変調するための位相変調器 Download PDFInfo
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- 239000004973 liquid crystal related substance Substances 0.000 claims description 134
- 239000000758 substrate Substances 0.000 claims description 60
- 230000010287 polarization Effects 0.000 claims description 31
- 230000008859 change Effects 0.000 claims description 9
- 238000005286 illumination Methods 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 29
- 230000003287 optical effect Effects 0.000 description 17
- 230000000694 effects Effects 0.000 description 15
- 230000005684 electric field Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000002344 surface layer Substances 0.000 description 4
- 239000004990 Smectic liquid crystal Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 241000234295 Musa Species 0.000 description 2
- 235000018290 Musa x paradisiaca Nutrition 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 2
- 235000014443 Pyrus communis Nutrition 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002800 charge carrier Substances 0.000 description 1
- 238000002144 chemical decomposition reaction Methods 0.000 description 1
- 210000001520 comb Anatomy 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
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- 230000008054 signal transmission Effects 0.000 description 1
- 239000010421 standard material Substances 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133528—Polarisers
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133528—Polarisers
- G02F1/133541—Circular polarisers
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
- G02F1/134363—Electrodes characterised by their geometrical arrangement for applying an electric field parallel to the substrate, i.e. in-plane switching [IPS]
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/137—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
- G02F1/139—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
- G02F1/1393—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent the birefringence of the liquid crystal being electrically controlled, e.g. ECB-, DAP-, HAN-, PI-LC cells
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/29—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the position or the direction of light beams, i.e. deflection
- G02F1/292—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the position or the direction of light beams, i.e. deflection by controlled diffraction or phased-array beam steering
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- Nonlinear Science (AREA)
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- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mathematical Physics (AREA)
- Geometry (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Liquid Crystal (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
Description
Claims (11)
- 円偏光の位相を変調するための位相変調器(1)であって、
第1の基板及び第2の基板(2、3)と、
電極構成(4)と、
液晶分子(6)を伴う液晶層(5)と、
を備え、
前記電極構成は前記第1の基板上と第2の基板上とのいずれかのみにおいて、平行に配置されるとともに独立して制御可能な別個の複数の電極を有し、
前記第1の基板(2)は前記第2の基板(3)と向かい合って配置されると共に、前記液晶層(5)は前記第1の基板(2)と前記第2の基板(3)との間に配置され、
前記第1の基板(2)は、第1の表面(7)を有し、前記第1の表面(7)は、当該第1の表面(7)に隣接して位置する前記液晶分子(6)を、当該第1の表面(7)と実質的に平行な方向に、配向させるように構成され、
前記第2の基板(3)は、第2の表面(8)を有し、前記第2の表面(8)は、当該第2の表面(8)に隣接して位置する前記液晶分子(6)を、当該第2の表面(8)と実質的に垂直な方向に、配向させるように構成され、
電極ピッチが前記液晶層の厚さとほぼ同じ大きさである可変偏向格子が、面内の別個の複数の電極を個々に制御することによって備えられ、
前記電極構成(4)は、1つの格子周期内で、前記別個の複数の電極に適用される電圧を調整することにより、前記液晶分子の向きの面内成分が、隣接する別個の複数の電極のそれぞれの間で独立して設定可能な180度の角度範囲を有するように、かつ、前記位相変調器に入射される光線が、当該光線の当該位相変調器における位置に応じて、可変的に設定可能な方向に偏向されるような制御のために用いられる、
ことを特徴とする位相変調器。 - 前記光線を設定可能な方向に可変的に偏向することにより、偏向格子として動作可能である、
ことを特徴とする請求項1に記載の位相変調器。 - 前記位相変調器(1)は個別の複数の画素を含み、前記位相変調器(1)の各画素は、前記電極構成(4)のうちの少なくとも2つの電極を含む、
ことを特徴とする請求項1に記載の位相変調器。 - 前記電極構成(4)は、1つの画素の領域において実質的に一定の電圧勾配が実現されるような制御のために用いられる、
ことを特徴とする請求項3に記載の位相変調器。 - 前記電極構成(4)は、独立して制御可能な前記別個の複数の電極に適用される電圧を調整することにより、2つの隣接する電極間で実質的に一定の電圧差が適用されるような制御のために用いられる、
ことを特徴とする請求項3に記載の位相変調器。 - 1つの画素の範囲内の前記電極構成が、一様な面内電圧勾配を生成する、
ことを特徴とする請求項1に記載の位相変調器。 - 前記位相変調器(1)は、透過型または反射型の位相変調器のいずれかとして動作可能である、
ことを特徴とする請求項1に記載の位相変調器。 - 1つの基板の表面は、第1の隣接する電極間の第1の構造と第2の隣接する電極間の第2の構造とを伴う構造化表面被覆を有し、前記第1の構造と前記第2の構造とは互いに隣接し、前記第1の構造及び前記第2の構造は、前記第1の構造に接する前記液晶分子が前記第2の構造に接する前記液晶分子に対して実質的に逆平行に配向されるように構成される、
ことを特徴とする請求項1に記載の位相変調器。 - 第1のフレームのために前記位相変調器へ書き込まれる位相値は、第2のフレームについての一定距離内の隣接する別個の複数の電極と、前記第1のフレームについての当該隣接する別個の複数の電極との間の電圧差に対応する位相オフセット分だけ、前記第2のフレームのために前記位相変調器へ書き込まれる位相値と異なる、
ことを特徴とする請求項1に記載の位相変調器。 - 連続するフレームの間に前記複数の電極に適用される電圧は符号の変化を含み、連続するフレームのうちの1つのフレームの間、前記位相変調器に入射された前記光は、前記位相変調器に入射された光の偏光状態を制御するための偏光スイッチング要素により第1の偏光状態にされ、その後のフレームの間、前記位相変調器に入射された前記光は、第2の偏光状態にされる、
ことを特徴とする請求項1に記載の位相変調器。 - 少なくとも1つの光源を有する照明デバイスと、請求項1から10のいずれか1項に記載の位相変調器とを有する、2次元画像コンテンツと3次元画像コンテンツとの少なくともいずれかを提示するための表示装置であって、
前記位相変調器が光伝搬の方向において、前記照明デバイスの下流側に配置される、
ことを特徴とする表示装置。
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JP2015079604A Active JP6068546B2 (ja) | 2009-12-01 | 2015-04-08 | 位相変調器と相互作用する光を変調するための位相変調器 |
JP2016250064A Active JP6286016B2 (ja) | 2009-12-01 | 2016-12-22 | 位相変調器と交わる光を変調するための位相変調器 |
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JP (4) | JP2013512471A (ja) |
KR (2) | KR101993566B1 (ja) |
CN (1) | CN102725683B (ja) |
TW (1) | TWI522675B (ja) |
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