JP2018072819A - 視野角制御装置及び視野角制御可能な表示装置 - Google Patents
視野角制御装置及び視野角制御可能な表示装置 Download PDFInfo
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- 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
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- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133528—Polarisers
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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
- G02F1/133—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
- G02F1/133632—Birefringent elements, e.g. for optical compensation with refractive index ellipsoid inclined relative to the LC-layer surface
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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
- G02F1/133—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
- G02F1/133633—Birefringent elements, e.g. for optical compensation using mesogenic materials
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- 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
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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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
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Abstract
Description
12、22、32、42:視野角制御装置
121:液晶パネル
1211、1212:透光性導電層
1213:液晶分子
1214、1215:基板
1216、1217:配向層
122:補償膜
1221:液晶ポリマー
123、123A、123B、123C、123D:複数の偏光片の集合
1231:第一偏光片
1232:第二偏光片
1233:第三偏光片
1234:第四偏光片
1235:第五偏光片
124:二分の一波長片
14、14A:表示パネル
141:液晶パネル
142:入光面偏光片
143:出光面偏光片
16、16A、16B:背光モジュール
161:光源
162:導光板
163:反射片
164:拡散片
165:プリズム片
1651:細長い形状のプリズム
B1、B2:光束
D1:第一方向
D2:第二方向
D3:第三方向
LK、LKA:大角度漏れ光
R:参考平面
SB:底面
SE:出光面
SI:入光面
T124:S軸
T1221、T1213:光軸
T1231、T1232、T1233、T1234、T1235、T142、T143:透過軸
θ:夾角
Claims (19)
- 視野角制御装置であって、
少なくとも1つの液晶パネルであって、前記少なくとも1つの液晶パネルの各々は、2つの透光性導電層及び前記2つの透光性導電層の間に位置する複数の液晶分子を含む、少なくとも1つの液晶パネル;
前記少なくとも1つの液晶パネルと重ねて設置される少なくとも1つの補償膜;及び
複数の偏光片を含み、
前記複数の偏光片は、
前記少なくとも1つの補償膜と、前記少なくとも1つの液晶パネルとの間に位置する少なくとも1つの第一偏光片;及び
前記少なくとも1つの液晶パネル、前記少なくとも1つの補償膜及び前記少なくとも1つの第一偏光片の一方側に位置する第二偏光片を含み、
前記2つの透光性導電層の間に電位差がない時に、各前記液晶分子の光軸は、前記少なくとも1つの第一偏光片の透過軸に平行又は垂直であり、前記2つの透光性導電層の間に電位差がある時に、各前記液晶分子の光軸は、前記少なくとも1つの第一偏光片の透過軸又は吸収軸に対して傾斜する、視野角制御装置。 - 請求項1に記載の視野角制御装置であって、
前記少なくとも1つの補償膜の各々は、O型板(O-Plate)及びC型板(C-plate)からなるグループのうちから選択された1つを含む、視野角制御装置。 - 請求項1に記載の視野角制御装置であって、
前記第二偏光片の透過軸は、前記少なくとも1つの第一偏光片の透過軸に平行である、視野角制御装置。 - 請求項1に記載の視野角制御装置であって、
前記複数の偏光片は、第三偏光片を更に含み、
前記第三偏光片は、前記少なくとも1つの液晶パネル、前記少なくとも1つの補償膜及び前記少なくとも1つの第一偏光片の他方側に位置し、且つ前記少なくとも1つの第一偏光片は、前記第二偏光片と前記第三偏光片との間に位置する、視野角制御装置。 - 請求項4に記載の視野角制御装置であって、
前記少なくとも1つの第一偏光片、前記第二偏光片及び前記第三偏光片の透過軸は、互いに平行である、視野角制御装置。 - 請求項4に記載の視野角制御装置であって、
前記少なくとも1つの第一偏光片の数量は、2つであり、且つ前記2つの第一偏光片、前記第二偏光片及び前記第三偏光片の透過軸は、互いに平行である、視野角制御装置。 - 請求項4に記載の視野角制御装置であって、
少なくとも1つの二分の一波長片を更に含み、
前記少なくとも1つの二分の一波長片は、前記少なくとも1つの補償膜と前記少なくとも1つの第一偏光片との間に位置し、前記少なくとも1つの二分の一波長片のS軸と、前記少なくとも1つの第一偏光片の透過軸との参考平面上での夾角は、θであり、前記参考平面は、前記少なくとも1つの第一偏光片に平行であり、前記第二偏光片及び前記第三偏光片のうちの1つの透過軸は、前記少なくとも1つの第一偏光片の透過軸に平行であり、且つ前記第二偏光片及び前記第三偏光片のうちのもう1つの透過軸と、前記少なくとも1つの第一偏光片の透過軸との前記参考平面上での夾角は、2θである、視野角制御装置。 - 請求項7に記載の視野角制御装置であって、
前記複数の偏光片は、少なくとも1つの第四偏光片を更に含み、
前記少なくとも1つの第四偏光片は、前記少なくとも1つの補償膜と前記少なくとも1つの二分の一波長片との間に位置し、且つ前記少なくとも1つの第四偏光片の透過軸と、前記少なくとも1つの第一偏光片の透過軸との前記参考平面上での夾角は、2θである、視野角制御装置。 - 請求項7に記載の視野角制御装置であって、
前記少なくとも1つの補償膜の数量は、2つであり、前記複数の偏光片は、少なくとも1つの第五偏光片を更に含み、
前記少なくとも1つの第五偏光片は、前記2つの補償膜の間に位置し、且つ前記少なくとも1つの二分の一波長片と前記少なくとも1つの第一偏光片との間に位置し、前記少なくとも1つの第五偏光片及び前記少なくとも1つの第一偏光片の透過軸は、互いに平行である、視野角制御装置。 - 請求項4に記載の視野角制御装置であって、
前記少なくとも1つの補償膜の数量は、2つであり、前記複数の偏光片は、少なくとも1つの第五偏光片を更に含み、前記少なくとも1つの第五偏光片は、前記2つの補償膜の間に位置し、前記少なくとも1つの第一偏光片、前記第二偏光片、前記第三偏光片及び前記少なくとも1つの第五偏光片の透過軸は、互いに平行である、視野角制御装置。 - 視野角制御可能な表示装置であって、
表示パネル;及び
前記表示パネルと重ねて設置される視野角制御装置を含み、
前記視野角制御装置は、少なくとも1つの液晶パネル、少なくとも1つの補償膜及び複数の偏光片を含み、前記少なくとも1つの液晶パネルの各々は、2つの透光性導電層及び前記2つの透光性導電層の間に位置する複数の液晶分子を含み、前記少なくとも1つの補償膜は、前記少なくとも1つの液晶パネルと重ねて設置され、前記複数の偏光片は、少なくとも1つの第一偏光片及び第二偏光片を含み、前記少なくとも1つの第一偏光片は、前記少なくとも1つの補償膜と前記少なくとも1つの液晶パネルとの間に位置し、且つ前記少なくとも1つの液晶パネル、前記少なくとも1つの補償膜及び前記少なくとも1つの第一偏光片は、前記第二偏光片と前記表示パネルとの間に位置し、前記2つの透光性導電層の間に電位差がない時に、各前記液晶分子の光軸は、前記少なくとも1つの第一偏光片の透過軸に平行又は垂直であり、前記2つの透光性導電層の間に電位差がある時に、各前記液晶分子の光軸は、前記少なくとも1つの第一偏光片の透過軸又は吸収軸に対して傾斜すする、視野角制御可能な表示装置。 - 請求項11に記載の視野角制御可能な表示装置であって、
前記複数の偏光片は、第三偏光片を更に含み、
前記第三偏光片は、前記第二偏光片と前記表示パネルとの間に位置し、前記少なくとも1つの液晶パネル、前記少なくとも1つの補償膜及び前記少なくとも1つの第一偏光片は、前記第二偏光片と前記第三偏光片との間に位置し、且つ前記表示パネルは、機発光ダイオード表示パネルである、視野角制御可能な表示装置。 - 請求項11に記載の視野角制御可能な表示装置であって、
前記表示パネルは、液晶表示パネルであり、且つ前記表示パネルは、入光面偏光片及び出光面偏光片を含み、前記視野角制御可能な表示装置は、背光モジュールを更に含む、視野角制御可能な表示装置。 - 請求項13に記載の視野角制御可能な表示装置であって、
前記視野角制御装置は、前記表示パネルと前記背光モジュールとの間に位置する、視野角制御可能な表示装置。 - 請求項13に記載の視野角制御可能な表示装置であって、
前記表示パネルは、前記視野角制御装置と前記背光モジュールとの間に位置する、視野角制御可能な表示装置。 - 請求項13に記載の視野角制御可能な表示装置であって、
前記複数の偏光片は、第三偏光片を更に含み、
前記第三偏光片は、前記第二偏光片と前記表示パネルとの間に位置し、且つ前記少なくとも1つの液晶パネル、前記少なくとも1つの補償膜及び前記少なくとも1つの第一偏光片は、前記第二偏光片と前記第三偏光片との間に位置する、視野角制御可能な表示装置。 - 請求項16に記載の視野角制御可能な表示装置であって、
前記視野角制御装置は、少なくとも1つの二分の一波長片を更に含み、
前記少なくとも1つの二分の一波長片は、前記少なくとも1つの補償膜と前記少なくとも1つの第一偏光片との間に位置し、前記少なくとも1つの二分の一波長片のS軸と、前記少なくとも1つの第一偏光片の透過軸との参考平面上での夾角は、θであり、前記参考平面は、前記少なくとも1つの第一偏光片に平行であり、前記第二偏光片及び前記第三偏光片のうちの1つの透過軸は、前記少なくとも1つの第一偏光片の透過軸に平行であり、且つ前記第二偏光片及び前記第三偏光片のうちのもう1つの透過軸と、前記少なくとも1つの第一偏光片の透過軸との前記参考平面上での夾角は、2θである、視野角制御可能な表示装置。 - 請求項17に記載の視野角制御可能な表示装置であって、
前記視野角制御装置は、前記表示パネルと前記背光モジュールとの間に位置し、前記少なくとも1つの第一偏光片及び前記第二偏光片の透過軸は、互いに平行であり、且つ前記第三偏光片の透過軸と、前記少なくとも1つの第一偏光片の透過軸との前記参考平面上での夾角は、2θである、視野角制御可能な表示装置。 - 請求項17に記載の視野角制御可能な表示装置であって、
前記表示パネルは、前記視野角制御装置と前記背光モジュールとの間に位置し、前記少なくとも1つの第一偏光片及び前記第三偏光片の透過軸は、互いに平行であり、且つ前記第二偏光片の透過軸と、前記少なくとも1つの第一偏光片の透過軸との前記参考平面上での夾角は、2θである、視野角制御可能な表示装置。
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2021131491A1 (ja) * | 2019-12-27 | 2021-07-01 |
Families Citing this family (67)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108351951B (zh) | 2015-10-26 | 2023-02-07 | 瑞尔D斯帕克有限责任公司 | 智能隐私系统、设备及其方法 |
| WO2017200950A1 (en) | 2016-05-19 | 2017-11-23 | Reald Spark, Llc | Wide angle imaging directional backlights |
| TWI606286B (zh) | 2016-05-24 | 2017-11-21 | 揚昇照明股份有限公司 | 複合膜以及顯示裝置 |
| TWM537663U (zh) | 2016-10-25 | 2017-03-01 | 揚昇照明股份有限公司 | 視角控制裝置以及可控制視角顯示裝置 |
| US10338432B2 (en) * | 2016-11-02 | 2019-07-02 | Innolux Corporation | Display device |
| TWI605287B (zh) | 2016-12-29 | 2017-11-11 | 揚昇照明股份有限公司 | 顯示裝置 |
| CN108345139B (zh) | 2017-01-25 | 2022-04-22 | 中强光电股份有限公司 | 视角可切换显示装置 |
| US10126575B1 (en) | 2017-05-08 | 2018-11-13 | Reald Spark, Llc | Optical stack for privacy display |
| EP3622342A4 (en) * | 2017-05-08 | 2021-02-17 | RealD Spark, LLC | OPTICAL STACK FOR DIRECTIVE DISPLAY |
| US10303030B2 (en) | 2017-05-08 | 2019-05-28 | Reald Spark, Llc | Reflective optical stack for privacy display |
| EP3622347A4 (en) | 2017-05-08 | 2020-12-23 | RealD Spark, LLC | OPTICAL STACKING FOR DIRECTIONAL BACKLIGHT IMAGING |
| JP2019040084A (ja) * | 2017-08-25 | 2019-03-14 | 三菱電機株式会社 | 表示装置 |
| 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 |
| US10948648B2 (en) | 2017-09-29 | 2021-03-16 | Reald Spark, Llc | Backlights having stacked waveguide and optical components with different coefficients of friction |
| CN109696757A (zh) * | 2017-10-23 | 2019-04-30 | 中强光电股份有限公司 | 偏光式视角控制元件、偏光式视角控制显示装置以及偏光式视角控制光源模块 |
| WO2019090246A1 (en) | 2017-11-06 | 2019-05-09 | Reald Spark, Llc | Privacy display apparatus |
| CN207650518U (zh) | 2017-12-26 | 2018-07-24 | 扬升照明股份有限公司 | 视角可切换装置以及视角可切换显示模块 |
| CA3089477A1 (en) | 2018-01-25 | 2019-08-01 | Reald Spark, Llc | Touch screen for privacy display |
| JP7291444B2 (ja) | 2018-01-25 | 2023-06-15 | リアルディー スパーク エルエルシー | ディスプレイデバイスおよび視野角制御光学素子 |
| WO2019183525A1 (en) | 2018-03-22 | 2019-09-26 | Reald Spark, Llc | Optical waveguide for directional backlight |
| CN110361883B (zh) | 2018-03-26 | 2023-04-28 | 中强光电股份有限公司 | 防窥控制装置与采用其的背光模块与显示器 |
| CN208126055U (zh) | 2018-04-28 | 2018-11-20 | 扬升照明股份有限公司 | 显示装置 |
| CN112639592B (zh) * | 2018-06-29 | 2024-06-21 | 瑞尔D斯帕克有限责任公司 | 用于防窥显示器的光学堆叠 |
| WO2020018552A1 (en) | 2018-07-18 | 2020-01-23 | Reald Spark, Llc | Optical stack for switchable directional display |
| CN109143442A (zh) * | 2018-09-14 | 2019-01-04 | 京东方科技集团股份有限公司 | 一种偏光片、显示模组及显示装置 |
| US11106103B2 (en) | 2018-10-03 | 2021-08-31 | Reald Spark, Llc | Privacy display apparatus controlled in response to environment of apparatus |
| CN117311038A (zh) | 2018-11-07 | 2023-12-29 | 瑞尔D斯帕克有限责任公司 | 定向显示设备 |
| WO2020146091A1 (en) | 2019-01-07 | 2020-07-16 | Reald Spark, Llc | Optical stack for privacy display |
| WO2020145974A1 (en) * | 2019-01-10 | 2020-07-16 | Hewlett-Packard Development Company, L.P. | Viewing angle adjustments |
| US11029566B2 (en) | 2019-02-12 | 2021-06-08 | Reald Spark, Llc | Diffuser for privacy display |
| CN111796438B (zh) | 2019-04-09 | 2024-07-26 | 中强光电股份有限公司 | 视角切换模块及显示装置 |
| KR102905477B1 (ko) | 2019-07-02 | 2025-12-31 | 리얼디 스파크, 엘엘씨 | 지향성 디스플레이 장치 |
| US11366353B2 (en) * | 2019-07-23 | 2022-06-21 | Innolux Corporation | Electronic device |
| WO2021026018A1 (en) | 2019-08-02 | 2021-02-11 | Reald Spark, Llc | Optical stack for privacy display |
| CN112394548B (zh) * | 2019-08-19 | 2024-02-09 | 中强光电股份有限公司 | 视角控制器及显示装置 |
| US11114063B2 (en) | 2019-10-02 | 2021-09-07 | Reald Spark, Llc | Privacy display apparatus |
| WO2021076779A1 (en) * | 2019-10-17 | 2021-04-22 | Magic Leap, Inc. | Attenuation of light transmission artifacts in wearable displays |
| TWI721635B (zh) * | 2019-11-07 | 2021-03-11 | 凌巨科技股份有限公司 | 顯示裝置之結構 |
| EP4058842A4 (en) | 2019-11-13 | 2023-12-20 | RealD Spark, LLC | OFF-AXIS DISPLAY DEVICE |
| WO2021092924A1 (en) * | 2019-11-15 | 2021-05-20 | Boe Technology Group Co., Ltd. | Display apparatus and method of operating display apparatus |
| WO2021118936A1 (en) | 2019-12-10 | 2021-06-17 | Reald Spark, Llc | Control of reflections of a display device |
| EP4078254B1 (en) | 2019-12-18 | 2024-09-25 | RealD Spark, LLC | Control of ambient light for a privacy display |
| CN111045265B (zh) * | 2020-01-03 | 2022-09-23 | 昆山龙腾光电股份有限公司 | 液晶显示装置 |
| EP4115232A4 (en) | 2020-03-06 | 2024-03-20 | Magic Leap, Inc. | ANGLE-SELECTIVE ATTENUATION OF LIGHT TRANSMISSION ARTIFACTS IN WEARABLE DISPLAYS |
| JP7467220B2 (ja) * | 2020-04-28 | 2024-04-15 | 株式会社ジャパンディスプレイ | 表示システム及び車両 |
| EP4143043A4 (en) | 2020-04-30 | 2024-06-05 | RealD Spark, LLC | DIRECTION INDICATOR |
| EP4143631A4 (en) | 2020-04-30 | 2024-05-29 | RealD Spark, LLC | DIRECTION INDICATOR |
| CN115768642A (zh) | 2020-04-30 | 2023-03-07 | 瑞尔D斯帕克有限责任公司 | 定向显示设备 |
| CN113741084B (zh) * | 2020-05-29 | 2024-11-26 | 夏普株式会社 | 液晶显示装置及偏光板 |
| JP7663612B2 (ja) | 2020-06-25 | 2025-04-16 | マジック リープ, インコーポレイテッド | ウェアラブルディスプレイ内の光透過アーチファクトの調整可能減衰 |
| WO2022026536A1 (en) | 2020-07-29 | 2022-02-03 | Reald Spark, Llc | Backlight for switchable directional display |
| 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 |
| CN114384714B (zh) * | 2020-10-18 | 2024-11-22 | 中强光电股份有限公司 | 显示装置 |
| JP2022160895A (ja) * | 2021-04-07 | 2022-10-20 | 株式会社ジャパンディスプレイ | 表示装置 |
| CN113552741B (zh) * | 2021-08-13 | 2025-08-08 | 武汉华星光电技术有限公司 | 防窥膜、显示面板及显示装置 |
| CN115933241A (zh) * | 2021-08-13 | 2023-04-07 | 武汉京东方光电科技有限公司 | 显示面板及显示装置 |
| US11892717B2 (en) | 2021-09-30 | 2024-02-06 | Reald Spark, Llc | Marks for privacy display |
| US11841585B2 (en) * | 2021-12-02 | 2023-12-12 | Coretronic Corporation | Display apparatus and method of driving the same |
| CN217060711U (zh) * | 2021-12-02 | 2022-07-26 | 中强光电股份有限公司 | 显示装置 |
| US20230185146A1 (en) * | 2021-12-13 | 2023-06-15 | Wuhan China Star Optoelectronics Technology Co., Ltd. | Privacy film and display device |
| EP4476588A4 (en) | 2022-02-09 | 2025-12-31 | Reald Spark Llc | PRIVACY DISPLAY MONITORED BY AN OBSERVER |
| WO2023196440A1 (en) | 2022-04-07 | 2023-10-12 | Reald Spark, Llc | Directional display apparatus |
| CN115616807B (zh) * | 2022-08-31 | 2024-04-16 | 京东方科技集团股份有限公司 | 显示模组及显示装置 |
| CN115453781B (zh) * | 2022-09-13 | 2025-04-22 | 上海天马微电子有限公司 | 防窥显示模组及显示装置 |
| JP2024077954A (ja) * | 2022-11-29 | 2024-06-10 | シャープディスプレイテクノロジー株式会社 | 光学素子及び表示装置 |
| WO2024226506A1 (en) | 2023-04-25 | 2024-10-31 | Reald Spark, Llc | Switchable privacy display |
| WO2025030030A2 (en) | 2023-08-03 | 2025-02-06 | Reald Spark, Llc | Privacy displays |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006064882A (ja) * | 2004-08-25 | 2006-03-09 | Sharp Corp | 表示装置および視野角制御装置、電子機器 |
| WO2006027995A1 (ja) * | 2004-09-07 | 2006-03-16 | Sharp Kabushiki Kaisha | 表示装置、視野角制御装置、および電子機器 |
| WO2008018212A1 (en) * | 2006-08-09 | 2008-02-14 | Sharp Kabushiki Kaisha | Liquid crystal display device and viewing angle control module |
| US20090021657A1 (en) * | 2007-07-20 | 2009-01-22 | Yungshun Yang | Viewing angle controllable liquid crystal display |
| WO2009011199A1 (ja) * | 2007-07-19 | 2009-01-22 | Sharp Kabushiki Kaisha | ディスプレイおよびそれに用いられる視野角制御素子 |
Family Cites Families (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9724781D0 (en) | 1997-11-24 | 1998-01-21 | Ncr Int Inc | Visual displays |
| KR100910559B1 (ko) | 2002-12-24 | 2009-08-03 | 삼성전자주식회사 | 액정 표시 장치 |
| US7267849B2 (en) | 2004-03-02 | 2007-09-11 | Nitto Denko Corporation | Compensator for liquid crystal display |
| JP2005266215A (ja) | 2004-03-18 | 2005-09-29 | Toshiba Matsushita Display Technology Co Ltd | 液晶表示装置および抵抗検出式タッチパネル |
| GB2413394A (en) | 2004-04-20 | 2005-10-26 | Sharp Kk | Display |
| JP4536489B2 (ja) | 2004-11-15 | 2010-09-01 | 株式会社 日立ディスプレイズ | 光学素子及びそれを用いた表示装置 |
| TWI261124B (en) | 2005-02-22 | 2006-09-01 | Tpo Displays Corp | Liquid crystal display and wide viewing angle crossed polarizer |
| JP3974631B2 (ja) | 2005-03-02 | 2007-09-12 | 日東電工株式会社 | 光学フィルムおよびその製造方法、ならびに該光学フィルムを用いた画像表示装置 |
| CN101258432A (zh) | 2005-09-09 | 2008-09-03 | 日东电工株式会社 | 附有光学补偿层的偏光板、使用附有光学补偿层的偏光板的液晶面板、和图像显示装置 |
| KR20070071346A (ko) | 2005-12-30 | 2007-07-04 | 쓰리엠 이노베이티브 프로퍼티즈 컴파니 | 복굴절성 중합체 층을 포함하는 휘도 증강용 광학필름복합체 |
| TWI320866B (en) | 2006-02-03 | 2010-02-21 | Tpo Displays Corp | Vertical alignment liquid crystal displays |
| US20070236636A1 (en) | 2006-03-31 | 2007-10-11 | Watson Philip E | Contrast ratio enhancement optical stack |
| US20070236939A1 (en) | 2006-03-31 | 2007-10-11 | 3M Innovative Properties Company | Structured Composite Optical Films |
| WO2007148651A1 (ja) | 2006-06-20 | 2007-12-27 | Nec Corporation | 照明装置、照明方法、及び表示装置 |
| JP2008003450A (ja) | 2006-06-26 | 2008-01-10 | Sumitomo Chemical Co Ltd | 複合偏光板、それを用いた液晶表示装置、複合偏光板の製造法及びそれに用いる光学補償フィルムの製造法 |
| JP2008096458A (ja) | 2006-10-05 | 2008-04-24 | Sharp Corp | ディスプレイおよびそれに用いられる視野角制御装置 |
| TWI364564B (en) | 2007-05-04 | 2012-05-21 | Ind Tech Res Inst | Low color shift polarizer film assembly, lcd, low color shift polarized light source and method for polarization translation and color shift compensation |
| TW200903053A (en) | 2007-07-09 | 2009-01-16 | Shenzhen Tcl Corporate Res Ltd | Optical compound film and LCD using the same |
| US20100149459A1 (en) | 2007-07-09 | 2010-06-17 | Koji Yabuta | View angle control element and display device provided with the same |
| CN101414022B (zh) | 2007-10-17 | 2010-10-13 | 财团法人工业技术研究院 | 偏振光学元件、液晶显示器、偏振光源及方法 |
| EP2075601A1 (de) | 2007-12-24 | 2009-07-01 | Lofo High Tech Film GmbH | Optische Kompensationsfolien für Flüssigkristallanzeigen und damit zusammenhängende Erfindungen |
| TW201031969A (en) | 2009-02-18 | 2010-09-01 | Wintek Corp | Image display device and illumination control device |
| KR20100116079A (ko) | 2009-04-21 | 2010-10-29 | 삼성전자주식회사 | 가변 확산 필름을 갖는 표시장치 |
| US7837897B2 (en) | 2009-04-27 | 2010-11-23 | Polytronix, Inc. | Polymeric dispersed liquid crystal light shutter device |
| TWI386732B (zh) | 2009-08-19 | 2013-02-21 | Taiwan Tft Lcd Ass | 液晶顯示器以及雙軸補償膜 |
| JP5566785B2 (ja) | 2010-06-22 | 2014-08-06 | 日東電工株式会社 | 複合シート |
| KR20150137217A (ko) | 2014-05-28 | 2015-12-09 | 삼성디스플레이 주식회사 | 액정표시장치 |
| CN106461997A (zh) | 2014-05-30 | 2017-02-22 | 3M创新有限公司 | 可变视角光学系统 |
| CN105807485A (zh) | 2014-12-30 | 2016-07-27 | 上海冠显光电科技有限公司 | 液晶显示模组、装置及控制方法 |
| WO2016195786A1 (en) | 2015-06-03 | 2016-12-08 | Apple Inc | Electronic device display with switchable film structures |
| US10705358B2 (en) | 2016-02-02 | 2020-07-07 | Apple, Inc. | Display apparatus with adjustable angles-of-view comprising backlight structures having an electrically adjustable lens array that adjusts backlight illumination |
| TWI606286B (zh) | 2016-05-24 | 2017-11-21 | 揚昇照明股份有限公司 | 複合膜以及顯示裝置 |
| TWM537663U (zh) | 2016-10-25 | 2017-03-01 | 揚昇照明股份有限公司 | 視角控制裝置以及可控制視角顯示裝置 |
-
2016
- 2016-10-25 TW TW105216211U patent/TWM537663U/zh unknown
-
2017
- 2017-10-09 CN CN201721288855.4U patent/CN207301541U/zh active Active
- 2017-10-12 US US15/730,740 patent/US10216018B2/en active Active
- 2017-10-12 JP JP2017198169A patent/JP7108393B2/ja active Active
- 2017-10-13 EP EP17196288.9A patent/EP3316022B1/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006064882A (ja) * | 2004-08-25 | 2006-03-09 | Sharp Corp | 表示装置および視野角制御装置、電子機器 |
| WO2006027995A1 (ja) * | 2004-09-07 | 2006-03-16 | Sharp Kabushiki Kaisha | 表示装置、視野角制御装置、および電子機器 |
| WO2008018212A1 (en) * | 2006-08-09 | 2008-02-14 | Sharp Kabushiki Kaisha | Liquid crystal display device and viewing angle control module |
| WO2009011199A1 (ja) * | 2007-07-19 | 2009-01-22 | Sharp Kabushiki Kaisha | ディスプレイおよびそれに用いられる視野角制御素子 |
| US20090021657A1 (en) * | 2007-07-20 | 2009-01-22 | Yungshun Yang | Viewing angle controllable liquid crystal display |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2021131491A1 (ja) * | 2019-12-27 | 2021-07-01 | ||
| WO2021131491A1 (ja) * | 2019-12-27 | 2021-07-01 | 富士フイルム株式会社 | 画像表示装置、車両用情報表示システムおよび光学フィルム |
| JP7333414B2 (ja) | 2019-12-27 | 2023-08-24 | 富士フイルム株式会社 | 画像表示装置、車両用情報表示システムおよび光学フィルム |
| US11885995B2 (en) | 2019-12-27 | 2024-01-30 | Fujifilm Corporation | Image display apparatus, information display system for vehicle, and optical film |
Also Published As
| Publication number | Publication date |
|---|---|
| JP7108393B2 (ja) | 2022-07-28 |
| EP3316022B1 (en) | 2020-08-26 |
| US20180113334A1 (en) | 2018-04-26 |
| US10216018B2 (en) | 2019-02-26 |
| CN207301541U (zh) | 2018-05-01 |
| EP3316022A1 (en) | 2018-05-02 |
| TWM537663U (zh) | 2017-03-01 |
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