JP7643782B2 - 軸外ディスプレイデバイス - Google Patents
軸外ディスプレイデバイス Download PDFInfo
- Publication number
- JP7643782B2 JP7643782B2 JP2022526304A JP2022526304A JP7643782B2 JP 7643782 B2 JP7643782 B2 JP 7643782B2 JP 2022526304 A JP2022526304 A JP 2022526304A JP 2022526304 A JP2022526304 A JP 2022526304A JP 7643782 B2 JP7643782 B2 JP 7643782B2
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- JP
- Japan
- Prior art keywords
- polarizer
- display
- display device
- light
- liquid crystal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
- G02F1/13471—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells in which all the liquid crystal cells or layers remain transparent, e.g. FLC, ECB, DAP, HAN, TN, STN, SBE-LC cells
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- G—PHYSICS
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- 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
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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
- G02F1/13363—Birefringent elements, e.g. for optical compensation
- G02F1/133634—Birefringent elements, e.g. for optical compensation the refractive index Nz perpendicular to the element surface being different from in-plane refractive indices Nx and Ny, e.g. biaxial or with normal optical axis
-
- 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
- G02F1/13363—Birefringent elements, e.g. for optical compensation
- G02F1/133638—Waveplates, i.e. plates with a retardation value of lambda/n
-
- 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
- G02F1/133773—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers the alignment material or treatment being different for the two opposite substrates
-
- 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
- G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or 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
- G02F2203/00—Function characteristic
- G02F2203/62—Switchable arrangements whereby the element being usually not switchable
-
- 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
- G02F2413/00—Indexing scheme related to G02F1/13363, i.e. to birefringent elements, e.g. for optical compensation, characterised by the number, position, orientation or value of the compensation plates
- G02F2413/06—Two plates on one side of the LC cell
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/868—Arrangements for polarized light emission
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/80—Constructional details
- H10K59/8793—Arrangements for polarized light emission
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Description
Γ=2.π.Δn.d/λ0 式1
Δn=ne-no 式2
Δn.d/λ=κ 式3
VSL=(Y+R)/(Y-K) 式4
C=Y/K 式5
Y+K~P.L 式6
VSL=1+I.ρ/(π.P.L) 式8
S=log10(V) 式9
M=(Imax-Imin)/(Imax+Imin) 式10
M=((Y+R)-(K+R))/((Y+R)+(K+R))=(Y-K)/(Y+K+2.R) 式11
W=1/VSL=1/(1+I.ρ/(π.P.L)) 式12
Δε=(Δu'2+Δv'2)1/2 式13
Claims (22)
- ディスプレイデバイスであって、
空間的に変調された光を出力するように配置されている空間光変調器と、
前記空間光変調器の片側に配置されているディスプレイ偏光子であって、リニア偏光子である、ディスプレイ偏光子と、
前記空間光変調器の前記ディスプレイ偏光子と同じ側に配置されている追加の偏光子であって、リニア偏光子であり、前記ディスプレイ偏光子および追加の偏光子が、平行な電気ベクトル伝達方向を有する、追加の偏光子と、
前記ディスプレイ偏光子と前記追加の偏光子との間に配置されている少なくとも1つの極制御遅延器と
を備え、
前記少なくとも1つの極制御遅延器が、
液晶材料の層および前記液晶材料の層に隣接して前記液晶材料の層の両側に配設されている2つの表面配向層を備える切り替え可能な液晶遅延器であって、最大伝達のための極方向が、前記ディスプレイデバイスの表面の垂直方向に対して非ゼロの鋭角で傾斜するように、前記表面配向層のうちの少なくとも1つが、前記ディスプレイデバイスの少なくとも一部において、前記ディスプレイ偏光子と前記追加の偏光子とのうちの少なくとも1つの電気ベクトル伝達方向に対して10度未満の非ゼロの鋭角をなす、前記液晶材料の層の平面における成分を伴うプレチルト方向を有するプレチルトを有する、液晶遅延器、を備える、ディスプレイデバイス。 - 前記表面配向層のうちの一方が、前記隣接の液晶材料において水平配向を提供するように配置され、前記表面配向層のうちの前記一方が、前記ディスプレイデバイスの少なくとも一部において、前記ディスプレイ偏光子と前記追加の偏光子とのうちの少なくとも1つの前記電気ベクトル伝達方向に対して非ゼロの鋭角をなす、前記液晶材料の層の前記平面における成分を伴うプレチルト方向を有する前記プレチルトを有する、請求項1に記載のディスプレイデバイス。
- 前記表面配向層のうちの他方が、前記隣接の液晶材料において、垂直配向を提供するように配置されている、請求項2に記載のディスプレイデバイス。
- 前記表面配向層のうちの前記他方が、前記ディスプレイ偏光子および前記追加の偏光子の前記電気ベクトル伝達方向に平行または直交する前記液晶材料の層の前記平面における成分を伴うプレチルト方向を有する前記プレチルトを有する、請求項3に記載のディスプレイデバイス。
- 前記表面配向層のうちの他方が、前記隣接の液晶材料において水平配向を提供するように配置されている、請求項2に記載のディスプレイデバイス。
- 前記表面配向層のうちの前記他方が、前記ディスプレイデバイスの少なくとも一部において、前記ディスプレイ偏光子と前記追加の偏光子とのうちの少なくとも1つの前記電気ベクトル伝達方向に対して非ゼロの鋭角をなす、前記液晶材料の層の前記平面における成分を伴うプレチルト方向を有する前記プレチルトを有する、請求項3または5に記載のディスプレイデバイス。
- 前記表面配向層のうちの各々が、前記隣接の液晶材料において垂直配向を提供するように配置される、請求項1に記載のディスプレイデバイス。
- 前記表面配向層の各々が、前記ディスプレイデバイスの少なくとも一部において、前記ディスプレイ偏光子と前記追加の偏光子とのうちの少なくとも1つの前記電気ベクトル伝達方向に対して非ゼロの鋭角をなす、前記液晶材料の層の前記平面における成分を伴うプレチルト方向を有するプレチルトを有する、請求項1~7のいずれか一項に記載のディスプレイデバイス。
- 前記少なくとも1つの極制御遅延器が、少なくとも1つの受動補償遅延器をさらに含む、請求項1~8のいずれか一項に記載のディスプレイデバイス。
- 前記少なくとも1つの受動補償遅延器が、受動補償遅延器であって、前記受動補償遅延器の前記平面に直交する光学軸を有する受動補償遅延器を含む、請求項9に記載のディスプレイデバイス。
- 前記少なくとも1つの受動補償遅延器が、一対の受動補償遅延器であって、交差する前記一対の受動補償遅延器の前記平面における光学軸を有する一対の受動補償遅延器を含む、請求項9に記載のディスプレイデバイス。
- 前記光学軸の間の角度が、前記ディスプレイ偏光子と前記追加の偏光子とのうちの少なくとも1つの前記電気ベクトル伝達方向によって、二分割されている、請求項11に記載のディスプレイデバイス。
- 前記表面配向層のうちの前記少なくとも1つが、前記表面配向層を横切るすべての位置にて前記ディスプレイ偏光子および前記追加の偏光子の前記電気ベクトル伝達方向に対して前記同じ非ゼロの鋭角をなす、前記液晶材料の層の前記平面における成分を伴うプレチルト方向を有するプレチルトを有する、請求項1~12のいずれか一項に記載のディスプレイデバイス。
- 前記表面配向層のうちの前記少なくとも1つが、前記ディスプレイデバイスの少なくとも一部において、前記表面配向層を横切る所定の軸に沿って単調に変化する、前記ディスプレイ偏光子および前記追加の偏光子の前記電気ベクトル伝達方向に対して非ゼロの鋭角をなす、前記液晶材料の層の前記平面における成分を伴うプレチルト方向を有するプレチルトを有する、請求項1~12のいずれか一項に記載のディスプレイデバイス。
- 前記非ゼロの鋭角が、非ゼロ鋭角平均値を有する、請求項14に記載のディスプレイデバイス。
- 前記ディスプレイ偏光子が、前記空間光変調器の出力側に配置された出力ディスプレイ偏光子である、請求項1~15のいずれか一項に記載のディスプレイデバイス。
- 前記出力ディスプレイ偏光子と前記少なくとも1つの極制御遅延器との間には、反射偏光子が配置されていない、請求項16に記載のディスプレイデバイス。
- 前記空間光変調器が、前記空間的に変調された光を放出するように配置されている発光型空間光変調器を含む、請求項16~17のいずれか一項に記載のディスプレイデバイス。
- 前記ディスプレイデバイスが、光を出力するように配置されているバックライトであって、前記空間光変調器が、前記バックライトからの前記出力された光を受光して空間的に変調するように配置されている透過型空間光変調器を備える、バックライト、をさらに備える、請求項16~17のいずれか一項に記載のディスプレイデバイス。
- 前記ディスプレイデバイスが、光を出力するように配置されているバックライトであって、前記空間光変調器が、前記バックライトからの前記出力された光を受光して空間的に変調するように配置されている透過型空間光変調器を備え、前記ディスプレイ偏光子が、前記空間光変調器の入力側に配置されている入力ディスプレイ偏光子である、バックライト、をさらに備える、請求項1~15のいずれか一項に記載のディスプレイデバイス。
- 前記空間光変調器の前記出力側に配置されている出力ディスプレイ偏光子と、
前記空間光変調器の前記出力側に配置されているさらに追加の偏光子であって、前記さらに追加の偏光子が、前記ディスプレイ偏光子および前記追加の偏光子の前記電気ベクトル伝達方向に平行である電気ベクトル伝達方向を有するリニア偏光子である、さらに追加の偏光子と、
前記さらに追加の偏光子と前記出力ディスプレイ偏光子との間に配置されている少なくとも1つのさらなる極制御遅延器と、をさらに備える、請求項20に記載のディスプレイデバイス。 - 前記追加の偏光子の外側の前記追加の偏光子と前記空間光変調器の同じ側に配置されているさらに追加の偏光子であって、前記さらに追加の偏光子が、前記ディスプレイ偏光子および前記追加の偏光子の前記電気ベクトル伝達方向に平行である電気ベクトル伝達方向を有するリニア偏光子である、さらに追加の偏光子と、
前記追加の偏光子と前記さらに追加の偏光子との間に配置されている少なくとも1つのさらなる極制御遅延器と、をさらに備える、請求項1に記載のディスプレイデバイス。
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| US62/934,619 | 2019-11-13 | ||
| US202063058300P | 2020-07-29 | 2020-07-29 | |
| US63/058,300 | 2020-07-29 | ||
| PCT/US2020/060191 WO2021097066A1 (en) | 2019-11-13 | 2020-11-12 | Off-axis display device |
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| CN110809732B (zh) | 2017-05-08 | 2025-01-10 | 瑞尔D斯帕克有限责任公司 | 用于成像定向背光源的光学叠堆 |
| EP3622342A4 (en) | 2017-05-08 | 2021-02-17 | RealD Spark, LLC | OPTICAL STACK FOR DIRECTIVE DISPLAY |
| TWI878209B (zh) | 2017-09-15 | 2025-04-01 | 美商瑞爾D斯帕克有限責任公司 | 顯示裝置及應用於顯示裝置的視角控制光學元件 |
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| WO2021222615A1 (en) | 2020-04-30 | 2021-11-04 | Reald Spark, Llc | Directional display apparatus |
| CN113741084B (zh) | 2020-05-29 | 2024-11-26 | 夏普株式会社 | 液晶显示装置及偏光板 |
| TWI898003B (zh) | 2020-07-29 | 2025-09-21 | 美商瑞爾D斯帕克有限責任公司 | 光瞳照明裝置 |
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| TW202332973A (zh) | 2022-02-09 | 2023-08-16 | 美商瑞爾D斯帕克有限責任公司 | 具均勻減低偏軸亮度之顯示裝置 |
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2020
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|---|---|
| US20220350197A1 (en) | 2022-11-03 |
| JP7601870B2 (ja) | 2024-12-17 |
| CN114868050B (zh) | 2025-03-25 |
| JP2023501987A (ja) | 2023-01-20 |
| US20210149233A1 (en) | 2021-05-20 |
| US11099448B2 (en) | 2021-08-24 |
| EP4058830A1 (en) | 2022-09-21 |
| CN114868050A (zh) | 2022-08-05 |
| US20240045296A1 (en) | 2024-02-08 |
| EP4058842A1 (en) | 2022-09-21 |
| CN114846393B (zh) | 2024-12-03 |
| JP2023501988A (ja) | 2023-01-20 |
| EP4058830B1 (en) | 2025-01-01 |
| US11079646B2 (en) | 2021-08-03 |
| WO2021097066A1 (en) | 2021-05-20 |
| US20210149234A1 (en) | 2021-05-20 |
| EP4058842A4 (en) | 2023-12-20 |
| EP4058830A4 (en) | 2024-01-24 |
| CN114846393A (zh) | 2022-08-02 |
| WO2021097040A1 (en) | 2021-05-20 |
| US11733578B2 (en) | 2023-08-22 |
| KR20220098382A (ko) | 2022-07-12 |
| US12228835B2 (en) | 2025-02-18 |
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