JP7114247B2 - 視野角切り替え可能な表示装置 - Google Patents
視野角切り替え可能な表示装置 Download PDFInfo
- Publication number
- JP7114247B2 JP7114247B2 JP2017240167A JP2017240167A JP7114247B2 JP 7114247 B2 JP7114247 B2 JP 7114247B2 JP 2017240167 A JP2017240167 A JP 2017240167A JP 2017240167 A JP2017240167 A JP 2017240167A JP 7114247 B2 JP7114247 B2 JP 7114247B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- viewing angle
- electrically controlled
- display device
- display panel
- 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.)
- Active
Links
Images
Classifications
-
- 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
- G02F1/1323—Arrangements for providing a switchable viewing angle
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0053—Prismatic sheet or layer; Brightness enhancement element, sheet or layer
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0055—Reflecting element, sheet or layer
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0056—Means for improving the coupling-out of light from the light guide for producing polarisation effects, e.g. by a surface with polarizing properties or by an additional polarizing elements
-
- 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
- G02F1/13338—Input devices, e.g. touch panels
-
- 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
- G02F1/1334—Constructional arrangements; Manufacturing methods based on polymer dispersed liquid crystals, e.g. microencapsulated liquid crystals
-
- 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
- G02F1/133504—Diffusing, scattering, diffracting elements
-
- 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
- G02F1/133536—Reflective polarizers
-
- 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
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
-
- 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
-
- 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
- G02F1/13476—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 at least one liquid crystal cell or layer assumes a scattering state
-
- 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
-
- 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
- G02F1/133302—Rigid substrates, e.g. inorganic 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
- G02F1/1334—Constructional arrangements; Manufacturing methods based on polymer dispersed liquid crystals, e.g. microencapsulated liquid crystals
- G02F1/13345—Network or three-dimensional gels
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mathematical Physics (AREA)
- Liquid Crystal (AREA)
- Dispersion Chemistry (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
- Planar Illumination Modules (AREA)
Description
110 表示パネル
112 下偏光板
114 上偏光板
120 電気制御視野角切替器
121、122 第1透光基板
123、124 第1透光導電層
125 液晶層
126 第1偏光板
127、128 配向層
130 電気制御光散乱切替器
131、132 第2透光基板
133、134 第2透光導電層
135、135A、135B 電気制御高分子材料層
136、137 垂直配向層
140 バックライトモジュール
141 光源
142 導光板
143 反射シート
144 減光シート
145 逆プリズムシート
150 タッチ感知素子
160 装飾層
170、180、180A 偏光式視野角制御素子
172、186 位相遅延フィルム
174 第2偏光板
182、184 第3偏光板
188 反射型偏光板
1251、1353 液晶分子
1351 液晶微粒子
1352 高分子材料
1354 高分子ネットワーク
1355 二周波液晶
1356 反応性液晶
1421 微構造
B、B1、B2、B3、B4、B5 光束
C1、C2、C3 曲線
D1 第1方向
D2 第2方向
SB 底面
SE 出光面
SI 入光面
T112、T114、T126、T174、T182、T184、T188 透過軸
T172、T186、T1251、T1353 光軸
Claims (9)
- 表示パネルと、電気制御視野角切替器と、電気制御光散乱切替器と、バックライトモジュールと、を含み、
前記電気制御視野角切替器は、前記表示パネルに対向し、且つ2つの第1透光基板、前記2つの第1透光基板の間に位置する2つの第1透光導電層、前記2つの第1透光導電層の間に位置する液晶層、及び前記電気制御視野角切替器の前記表示パネルから離れた側に位置する第1偏光板を含み、前記液晶層は複数の液晶分子を含み、前記複数の液晶分子の光軸は前記第1偏光板の透過軸に平行又は垂直となり、
前記電気制御光散乱切替器は、前記表示パネルと前記バックライトモジュールとの間に位置し、且つ2つの第2透光基板、前記2つの第2透光基板の間に位置する2つの第2透光導電層、及び前記2つの第2透光導電層の間に位置する電気制御高分子材料層を含み、
前記表示パネルは、2つの対向する偏光板を含み、
前記第1偏光板の透過軸は、前記表示パネルの前記2つの偏光板のうちの前記第1偏光板に比較的に近い偏光板の透過軸に平行となり、
前記バックライトモジュールは、光源、導光板、反射シート、減光シート及び逆プリズムシートを含み、
前記光源は、前記導光板の側面に位置し、
前記導光板は、前記逆プリズムシートと前記反射シートとの間に位置し、
前記減光シートは、前記導光板と前記反射シートとの間に位置し、
前記減光シートは、吸収型偏光板、又は吸収型偏光板及び反射型偏光板により構成された複合偏光板であり、
前記減光シートは、前記反射シートにより前記導光板に反射された各光束の輝度を低減させる、ことを特徴とする視野角切り替え可能な表示装置。 - 前記表示パネルは前記電気制御視野角切替器と前記電気制御光散乱切替器との間に位置する、ことを特徴とする請求項1に記載の視野角切り替え可能な表示装置。
- 前記2つの第1透光基板のうち前記表示パネルから比較的に離れた第1透光基板は強化ガラス基板である、ことを特徴とする請求項2に記載の視野角切り替え可能な表示装置。
- 前記第1偏光板と前記2つの第1透光基板のうち前記表示パネルから比較的に離れた第1透光基板との間に位置するタッチ感知素子と、
前記電気制御視野角切替器の上方に位置する装飾層と、をさらに含み、
前記第1偏光板は、前記装飾層と前記タッチ感知素子との間に位置する、ことを特徴とする請求項2に記載の視野角切り替え可能な表示装置。 - 前記第1偏光板の上方に位置するタッチ感知素子と、
前記タッチ感知素子の上方に位置する装飾層と、をさらに含み、
前記タッチ感知素子は、前記装飾層と第1偏光板との間に位置する、ことを特徴とする請求項2に記載の視野角切り替え可能な表示装置。 - 前記電気制御視野角切替器は、前記表示パネルと前記電気制御光散乱切替器との間に位置する、ことを特徴とする請求項1に記載の視野角切り替え可能な表示装置。
- 前記バックライトモジュールの上方に位置し、且つ位相遅延フィルム及び第2偏光板を含む偏光式視野角制御素子、をさらに含み、
前記第2偏光板は、前記位相遅延フィルムの前記表示パネルから離れた側に配置されている、ことを特徴とする請求項1に記載の視野角切り替え可能な表示装置。 - 前記視野角切り替え可能な表示装置は、前記導光板と前記反射シートとの間に位置する偏光式視野角制御素子、をさらに含み、
前記偏光式視野角制御素子は、2つの第3偏光板、及び前記2つの第3偏光板の間に位置する位相遅延フィルムを含む、ことを特徴とする請求項1に記載の視野角切り替え可能な表示装置。 - 前記2つの第3偏光板のそれぞれは、吸収型偏光板であり、
前記位相遅延フィルムは、Oプレート又はCプレートであり、
前記偏光式視野角制御素子は、前記偏光式視野角制御素子の前記導光板に近い側に位置する反射型偏光板をさらに含む、ことを特徴とする請求項8に記載の視野角切り替え可能な表示装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710060681.4 | 2017-01-25 | ||
CN201710060681.4A CN108345139B (zh) | 2017-01-25 | 2017-01-25 | 视角可切换显示装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018120210A JP2018120210A (ja) | 2018-08-02 |
JP7114247B2 true JP7114247B2 (ja) | 2022-08-08 |
Family
ID=60654828
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017240167A Active JP7114247B2 (ja) | 2017-01-25 | 2017-12-15 | 視野角切り替え可能な表示装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US11402676B2 (ja) |
EP (1) | EP3355105B1 (ja) |
JP (1) | JP7114247B2 (ja) |
CN (1) | CN108345139B (ja) |
TW (1) | TWI612360B (ja) |
Families Citing this family (70)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3369034B1 (en) | 2015-10-26 | 2023-07-05 | RealD Spark, LLC | Intelligent privacy system, apparatus, and method thereof |
US11079619B2 (en) | 2016-05-19 | 2021-08-03 | Reald Spark, Llc | Wide angle imaging directional backlights |
CN107664871B (zh) * | 2016-07-27 | 2020-03-31 | 京东方科技集团股份有限公司 | 一种背光模组及显示装置 |
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 |
CN106646955A (zh) * | 2017-03-07 | 2017-05-10 | 京东方科技集团股份有限公司 | 防窥显示装置及防窥显示方法 |
EP3622342A4 (en) * | 2017-05-08 | 2021-02-17 | RealD Spark, LLC | OPTICAL STACK FOR DIRECTIVE DISPLAY |
US10126575B1 (en) | 2017-05-08 | 2018-11-13 | Reald Spark, Llc | Optical stack for privacy display |
TW201921060A (zh) | 2017-09-15 | 2019-06-01 | 美商瑞爾D斯帕克有限責任公司 | 用於可切換定向顯示器的光學堆疊結構 |
US10948648B2 (en) | 2017-09-29 | 2021-03-16 | Reald Spark, Llc | Backlights having stacked waveguide and optical components with different coefficients of friction |
US11109014B2 (en) | 2017-11-06 | 2021-08-31 | 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 |
JP7353007B2 (ja) * | 2018-01-25 | 2023-09-29 | リアルディー スパーク エルエルシー | プライバシー表示用タッチスクリーン |
US10976578B2 (en) * | 2018-01-25 | 2021-04-13 | Reald Spark, Llc | Reflective optical stack for privacy display |
KR20200141459A (ko) | 2018-03-22 | 2020-12-18 | 리얼디 스파크, 엘엘씨 | 지향성 백라이트용 광학 도파관 |
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 |
US11079645B2 (en) | 2018-06-29 | 2021-08-03 | Reald Spark, Llc | Stabilization for privacy display |
CN112602011A (zh) | 2018-07-18 | 2021-04-02 | 瑞尔D斯帕克有限责任公司 | 用于可切换定向显示器的光学堆叠 |
US11106103B2 (en) | 2018-10-03 | 2021-08-31 | Reald Spark, Llc | Privacy display apparatus controlled in response to environment of apparatus |
CN111090191B (zh) | 2018-10-24 | 2022-10-04 | 中强光电股份有限公司 | 光源模块及双屏幕显示装置 |
TW202107181A (zh) | 2018-11-07 | 2021-02-16 | 美商瑞爾D斯帕克有限責任公司 | 定向顯示裝置 |
CN111338105A (zh) * | 2018-12-18 | 2020-06-26 | 群创光电股份有限公司 | 显示器 |
US11287677B2 (en) | 2019-01-07 | 2022-03-29 | Reald Spark, Llc | Optical stack for privacy display |
CN111458911B (zh) * | 2019-01-18 | 2024-03-19 | 中强光电股份有限公司 | 显示装置及其光源模块 |
WO2020167680A1 (en) | 2019-02-12 | 2020-08-20 | Reald Spark, Llc | Diffuser for privacy display |
CN111796438A (zh) * | 2019-04-09 | 2020-10-20 | 中强光电股份有限公司 | 视角切换模块及显示装置 |
CN111965888B (zh) * | 2019-05-20 | 2023-08-29 | 群创光电股份有限公司 | 显示设备 |
GB2584416A (en) | 2019-05-23 | 2020-12-09 | Flexenable Ltd | Integrated privacy windows for liquid crystal displays |
TWI729396B (zh) * | 2019-05-28 | 2021-06-01 | 友達光電股份有限公司 | 顯示模組 |
CN112015000B (zh) * | 2019-05-29 | 2024-01-23 | 中强光电股份有限公司 | 背光模块及显示装置 |
US11402692B2 (en) | 2019-05-29 | 2022-08-02 | Coretronic Corporation | Backlight module having an optical film and display apparatus having the same |
CN210123503U (zh) * | 2019-06-24 | 2020-03-03 | 中强光电股份有限公司 | 屏幕防窥保护层与触控显示装置 |
TW202102883A (zh) | 2019-07-02 | 2021-01-16 | 美商瑞爾D斯帕克有限責任公司 | 定向顯示設備 |
US11366353B2 (en) * | 2019-07-23 | 2022-06-21 | Innolux Corporation | Electronic device |
JP2022543020A (ja) | 2019-08-02 | 2022-10-07 | リアルディー スパーク エルエルシー | プライバシーディスプレイ用光学スタック |
CN112394558B (zh) | 2019-08-14 | 2023-08-08 | 中强光电股份有限公司 | 电控视角切换器及显示设备 |
CN112394547A (zh) * | 2019-08-16 | 2021-02-23 | 中强光电股份有限公司 | 视角控制结构与显示装置 |
CN110501833B (zh) * | 2019-08-27 | 2022-09-02 | 厦门天马微电子有限公司 | 一种显示装置 |
KR20210027719A (ko) | 2019-09-02 | 2021-03-11 | 삼성전자주식회사 | 조수석 디스플레이를 제어하는 전자 장치 및 조수석 디스플레이 제어 방법 |
US11114063B2 (en) | 2019-10-02 | 2021-09-07 | Reald Spark, Llc | Privacy display apparatus |
KR20220098382A (ko) | 2019-11-13 | 2022-07-12 | 리얼디 스파크, 엘엘씨 | 축외 디스플레이 디바이스 |
WO2021118936A1 (en) | 2019-12-10 | 2021-06-17 | Reald Spark, Llc | Control of reflections of a display device |
CN112946951A (zh) * | 2019-12-11 | 2021-06-11 | 中强光电股份有限公司 | 背光模块及显示装置 |
EP4078254A4 (en) | 2019-12-18 | 2023-11-01 | RealD Spark, LLC | AMBIENT LIGHT CONTROL FOR PRIVACY DISPLAY DEVICE |
KR20210086163A (ko) * | 2019-12-31 | 2021-07-08 | 엘지디스플레이 주식회사 | 프라이버시 보호 필름 및 이를 포함하는 액정 표시 장치 |
JP7304296B2 (ja) * | 2020-01-17 | 2023-07-06 | 株式会社カネカ | 調光フィルムおよび調光デバイス |
TWI732476B (zh) * | 2020-03-02 | 2021-07-01 | 友達光電股份有限公司 | 顯示裝置 |
CN111552114A (zh) * | 2020-03-24 | 2020-08-18 | 京东方科技集团股份有限公司 | 背光模组及显示装置 |
CN113552736B (zh) * | 2020-04-23 | 2024-01-30 | 中强光电股份有限公司 | 电控视角切换器及显示装置 |
CN113853539B (zh) * | 2020-04-28 | 2024-03-08 | 瑞仪(广州)光电子器件有限公司 | 光学膜片、背光模组及显示装置 |
EP4143632A1 (en) | 2020-04-30 | 2023-03-08 | RealD Spark, LLC | Directional display apparatus |
CN115867854A (zh) | 2020-04-30 | 2023-03-28 | 瑞尔D斯帕克有限责任公司 | 定向显示设备 |
WO2021222606A1 (en) | 2020-04-30 | 2021-11-04 | Reald Spark, Llc | Directional display apparatus |
CN113625373A (zh) * | 2020-05-06 | 2021-11-09 | 中强光电股份有限公司 | 显示装置、视角限制器及其制造方法 |
CN113741084A (zh) * | 2020-05-29 | 2021-12-03 | 夏普株式会社 | 液晶显示装置及偏光板 |
TW202204818A (zh) | 2020-07-29 | 2022-02-01 | 美商瑞爾D斯帕克有限責任公司 | 光瞳照明裝置 |
EP4189285A1 (en) | 2020-07-29 | 2023-06-07 | RealD Spark, LLC | Backlight for switchable directional display |
CN114384714A (zh) * | 2020-10-18 | 2022-04-22 | 中强光电股份有限公司 | 显示装置 |
CN114839815A (zh) * | 2021-02-01 | 2022-08-02 | 中强光电股份有限公司 | 显示装置 |
CN113359348B (zh) * | 2021-06-02 | 2023-06-27 | 深圳市华星光电半导体显示技术有限公司 | 一种背光模组及显示装置 |
CN113671734A (zh) * | 2021-08-06 | 2021-11-19 | Tcl华星光电技术有限公司 | 显示装置及其防窥态切换膜片的驱动方法 |
CN113552741A (zh) * | 2021-08-13 | 2021-10-26 | 武汉华星光电技术有限公司 | 防窥膜、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 |
US11977286B2 (en) | 2022-02-09 | 2024-05-07 | Reald Spark, Llc | Observer-tracked privacy display |
WO2023196440A1 (en) | 2022-04-07 | 2023-10-12 | Reald Spark, Llc | Directional display apparatus |
WO2024070691A1 (ja) * | 2022-09-28 | 2024-04-04 | 富士フイルム株式会社 | 積層体、画像表示装置、光学装置およびヘッドマウントディスプレイ |
CN115728983A (zh) * | 2022-11-11 | 2023-03-03 | 厦门天马微电子有限公司 | 一种显示模组和显示装置 |
CN116634812B (zh) * | 2023-05-31 | 2024-05-03 | 惠科股份有限公司 | 显示面板及显示装置 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
JP2007256682A (ja) | 2006-03-23 | 2007-10-04 | Nec Corp | 視野角制御表示装置及びその制御方法並びにこれを備えた端末機 |
WO2007148651A1 (ja) | 2006-06-20 | 2007-12-27 | Nec Corporation | 照明装置、照明方法、及び表示装置 |
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 |
JP2014129469A (ja) | 2012-12-28 | 2014-07-10 | Hitachi Chemical Co Ltd | 画像表示装置用粘着シート及び画像表示装置 |
WO2015183867A1 (en) | 2014-05-30 | 2015-12-03 | 3M Innovative Properties Company | Optical systems having variable viewing angles |
JP2016062100A (ja) | 2014-09-12 | 2016-04-25 | 三星ディスプレイ株式會社Samsung Display Co.,Ltd. | 接触感知機能を有する光学系およびこれを備える表示装置 |
WO2016195786A1 (en) | 2015-06-03 | 2016-12-08 | Apple Inc | Electronic device display with switchable film structures |
Family Cites Families (70)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0180592B1 (en) | 1984-03-19 | 1995-08-02 | Kent State University | Light modulating material comprising a liquid crystal dispersion in a synthetic resin matrix |
JPH0580302A (ja) | 1991-09-21 | 1993-04-02 | Semiconductor Energy Lab Co Ltd | 液晶電気光学装置 |
US6452650B1 (en) | 1996-09-25 | 2002-09-17 | Matsushita Electric Industrial Co., Ltd. | Polymer dispersion type liquid crystal display element, producing method therefor and apparatus for use in the producing method |
JP3998897B2 (ja) | 2000-08-11 | 2007-10-31 | セイコーエプソン株式会社 | 液晶表示装置 |
US6819381B2 (en) | 2002-10-28 | 2004-11-16 | Eastman Kodak Company | Compensation films for liquid crystal displays |
KR100910559B1 (ko) | 2002-12-24 | 2009-08-03 | 삼성전자주식회사 | 액정 표시 장치 |
JP4248974B2 (ja) * | 2003-09-02 | 2009-04-02 | 日東電工株式会社 | 光源装置および液晶表示装置 |
US7201955B2 (en) | 2003-11-26 | 2007-04-10 | E. I. Du Pont De Nemours And Company | Privacy screen for a display |
JP4369222B2 (ja) | 2003-12-26 | 2009-11-18 | 帝人株式会社 | 広視野角偏光フィルム |
US7267849B2 (en) | 2004-03-02 | 2007-09-11 | Nitto Denko Corporation | Compensator for liquid crystal display |
GB2413394A (en) | 2004-04-20 | 2005-10-26 | Sharp Kk | Display |
EP1612596A1 (en) * | 2004-06-29 | 2006-01-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | High-efficient, tuneable and switchable optical elements based on polymer-liquid crystal composites and films, mixtures and a method for their production |
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 |
TWI319496B (en) * | 2005-01-03 | 2010-01-11 | Au Optronics Corp | Viewing-angle adjustable liquid crystal display and viewing-angle adjusting method thereof |
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 |
WO2006095518A1 (ja) | 2005-03-07 | 2006-09-14 | Nitto Denko Corporation | 液晶パネル、液晶テレビおよび液晶表示装置 |
CN1912659A (zh) * | 2005-08-10 | 2007-02-14 | 台湾薄膜电晶体液晶显示器产业协会 | 整合型金属式偏光膜/光学膜结构及其制造方法 |
JPWO2007029788A1 (ja) | 2005-09-09 | 2009-03-19 | 日東電工株式会社 | 光学補償層付偏光板、光学補償層付偏光板を用いた液晶パネル、および画像表示装置 |
CN1982976A (zh) * | 2005-12-13 | 2007-06-20 | 奇美电子股份有限公司 | 可切换视角的液晶显示器及其可调变偏光片 |
KR20070071346A (ko) | 2005-12-30 | 2007-07-04 | 쓰리엠 이노베이티브 프로퍼티즈 컴파니 | 복굴절성 중합체 층을 포함하는 휘도 증강용 광학필름복합체 |
WO2007083540A1 (ja) | 2006-01-20 | 2007-07-26 | Nec Corporation | 携帯端末 |
TWI320866B (en) | 2006-02-03 | 2010-02-21 | Tpo Displays Corp | Vertical alignment liquid crystal displays |
US20070236939A1 (en) | 2006-03-31 | 2007-10-11 | 3M Innovative Properties Company | Structured Composite Optical Films |
US20070236636A1 (en) | 2006-03-31 | 2007-10-11 | Watson Philip E | Contrast ratio enhancement optical stack |
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 |
KR100998385B1 (ko) * | 2006-07-05 | 2010-12-03 | 샤프 가부시키가이샤 | 액정 표시 장치 및 시야각 제어 패널 |
US8045097B2 (en) | 2006-08-09 | 2011-10-25 | Sharp Kabushiki Kaisha | Liquid crystal display device and viewing angle control module |
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 |
KR101476841B1 (ko) * | 2006-12-28 | 2014-12-24 | 엘지디스플레이 주식회사 | 시야각 제어 액정표시장치 |
CN101617269B (zh) * | 2007-03-16 | 2011-11-09 | 夏普株式会社 | 视场角控制装置以及具有该视场角控制装置的显示器 |
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 |
CN101681061B (zh) | 2007-07-09 | 2012-01-11 | 夏普株式会社 | 视野角控制元件和具备其的显示装置 |
TW200903053A (en) | 2007-07-09 | 2009-01-16 | Shenzhen Tcl Corporate Res Ltd | Optical compound film and LCD using the same |
TWI356937B (en) | 2007-07-20 | 2012-01-21 | Chimei Innolux Corp | Viewing angle controllable liquid crystal display |
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 |
JP4902516B2 (ja) | 2007-12-17 | 2012-03-21 | 日東電工株式会社 | 視角制御システムならびに画像表示装置 |
EP2075601A1 (de) | 2007-12-24 | 2009-07-01 | Lofo High Tech Film GmbH | Optische Kompensationsfolien für Flüssigkristallanzeigen und damit zusammenhängende Erfindungen |
JP5129682B2 (ja) | 2008-08-04 | 2013-01-30 | スタンレー電気株式会社 | 液晶表示素子 |
JP2010079287A (ja) | 2008-08-28 | 2010-04-08 | Fujifilm Corp | 液晶表示装置 |
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 |
JP2011002596A (ja) | 2009-06-18 | 2011-01-06 | Mitsubishi Electric Corp | 液晶表示装置 |
TWI386732B (zh) | 2009-08-19 | 2013-02-21 | Taiwan Tft Lcd Ass | 液晶顯示器以及雙軸補償膜 |
CN102261599A (zh) * | 2010-05-25 | 2011-11-30 | 神讯电脑(昆山)有限公司 | 背光模组改良结构 |
JP5566785B2 (ja) | 2010-06-22 | 2014-08-06 | 日東電工株式会社 | 複合シート |
WO2012090769A1 (ja) | 2010-12-28 | 2012-07-05 | シャープ株式会社 | 光学素子、及び、液晶表示装置 |
CN202141874U (zh) | 2011-07-13 | 2012-02-08 | 京东方科技集团股份有限公司 | 一种偏光调光装置 |
US9229253B2 (en) * | 2011-09-30 | 2016-01-05 | 3M Innovative Properties Company | Electronically switchable privacy film and display device having same |
US20140009377A1 (en) * | 2012-07-09 | 2014-01-09 | Chimei Innolux Corporation | Liquid crystal display apparatus with private mode |
CN103676288A (zh) * | 2012-09-10 | 2014-03-26 | 宏腾光电股份有限公司 | 广色域膜及其制作方法和具有广色域膜的显示装置 |
SG11201506508SA (en) * | 2013-02-20 | 2015-09-29 | 3M Innovative Properties Co | Absorbing, reflecting and collimating polarizer stack and backlights incorporating same |
CN104637973B (zh) * | 2013-11-12 | 2018-10-19 | 宸鸿光电科技股份有限公司 | 有机发光二极管触控显示设备 |
KR20150087494A (ko) * | 2014-01-22 | 2015-07-30 | 삼성디스플레이 주식회사 | 윈도우 부재의 제조 방법 |
JP2015200866A (ja) * | 2014-03-31 | 2015-11-12 | 日東電工株式会社 | 光学部材、偏光板のセットおよび液晶表示装置 |
KR20150137217A (ko) * | 2014-05-28 | 2015-12-09 | 삼성디스플레이 주식회사 | 액정표시장치 |
WO2015183869A1 (en) * | 2014-05-30 | 2015-12-03 | 3M Innovative Properties Company | Variable viewing angle optical systems |
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 |
US10247982B2 (en) | 2015-06-03 | 2019-04-02 | Apple Inc. | Electronic device display with switchable film structures |
US10564337B2 (en) | 2015-10-05 | 2020-02-18 | Lg Chem, Ltd. | Optical film |
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 |
CN106168719A (zh) | 2016-08-30 | 2016-11-30 | 深圳市华星光电技术有限公司 | 一种超薄型液晶显示器及其制作方法 |
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 |
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 |
EP3622342A4 (en) | 2017-05-08 | 2021-02-17 | RealD Spark, LLC | OPTICAL STACK FOR DIRECTIVE DISPLAY |
WO2018221413A1 (ja) | 2017-05-29 | 2018-12-06 | 富士フイルム株式会社 | 表示装置 |
DE102019102604A1 (de) | 2019-02-01 | 2020-08-06 | Carl Zeiss Jena Gmbh | Funktionalisierter Wellenleiter für ein Detektorsystem |
-
2017
- 2017-01-25 CN CN201710060681.4A patent/CN108345139B/zh active Active
- 2017-02-07 TW TW106103983A patent/TWI612360B/zh active
- 2017-11-30 US US15/826,706 patent/US11402676B2/en active Active
- 2017-12-11 EP EP17206365.3A patent/EP3355105B1/en active Active
- 2017-12-15 JP JP2017240167A patent/JP7114247B2/ja active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
JP2007256682A (ja) | 2006-03-23 | 2007-10-04 | Nec Corp | 視野角制御表示装置及びその制御方法並びにこれを備えた端末機 |
WO2007148651A1 (ja) | 2006-06-20 | 2007-12-27 | Nec Corporation | 照明装置、照明方法、及び表示装置 |
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 |
JP2014129469A (ja) | 2012-12-28 | 2014-07-10 | Hitachi Chemical Co Ltd | 画像表示装置用粘着シート及び画像表示装置 |
WO2015183867A1 (en) | 2014-05-30 | 2015-12-03 | 3M Innovative Properties Company | Optical systems having variable viewing angles |
JP2016062100A (ja) | 2014-09-12 | 2016-04-25 | 三星ディスプレイ株式會社Samsung Display Co.,Ltd. | 接触感知機能を有する光学系およびこれを備える表示装置 |
WO2016195786A1 (en) | 2015-06-03 | 2016-12-08 | Apple Inc | Electronic device display with switchable film structures |
Also Published As
Publication number | Publication date |
---|---|
US20180210243A1 (en) | 2018-07-26 |
CN108345139A (zh) | 2018-07-31 |
EP3355105B1 (en) | 2020-08-12 |
CN108345139B (zh) | 2022-04-22 |
TW201827894A (zh) | 2018-08-01 |
TWI612360B (zh) | 2018-01-21 |
EP3355105A1 (en) | 2018-08-01 |
JP2018120210A (ja) | 2018-08-02 |
US11402676B2 (en) | 2022-08-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP7114247B2 (ja) | 視野角切り替え可能な表示装置 | |
US10802306B2 (en) | Viewing angle switchable device and viewing angle switchable display module | |
JP7108393B2 (ja) | 視野角制御装置及び視野角制御可能な表示装置 | |
KR102610147B1 (ko) | 스위칭가능 지향성 디스플레이를 위한 광학 스택 | |
US10782466B2 (en) | Backlight module and display apparatus | |
TWI827580B (zh) | 用於防窺顯示裝置之反射式光學堆疊物 | |
US11016318B2 (en) | Optical stack for switchable directional display | |
EP3343282B1 (en) | Display device | |
US20210149233A1 (en) | Display device off-axis luminance reduction uniformity | |
US20210199879A1 (en) | Optical stack for imaging directional backlights | |
US20180329245A1 (en) | Reflective optical stack for privacy display | |
JP2022543020A (ja) | プライバシーディスプレイ用光学スタック | |
US10921622B2 (en) | Anti-peeping control device and backlight module and display using same | |
JP3230890U (ja) | バックライトモジュール及び表示装置 | |
US10663777B2 (en) | Viewing angle switchable display module | |
US11650456B2 (en) | Display device having a privacy display mode and a normal display mode | |
EP4242514A1 (en) | Backlight module and display apparatus | |
RU2785432C2 (ru) | Оптическая стопа для переключаемого устройства направленного отображения | |
US20240036429A1 (en) | Electrically controlled optical screen | |
JP2002116435A (ja) | 表示装置 | |
TW202332973A (zh) | 具均勻減低偏軸亮度之顯示裝置 | |
TW202414049A (zh) | 用於防窺顯示裝置之反射式光學堆疊物 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A711 | Notification of change in applicant |
Free format text: JAPANESE INTERMEDIATE CODE: A712 Effective date: 20181212 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20200512 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20210427 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20210511 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20210729 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20211221 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20220315 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20220712 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20220727 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7114247 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |