JP2015132825A - インセル偏光子、それを含んだ液晶表示装置、及びその製造方法 - Google Patents
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- G—PHYSICS
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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
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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
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- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
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- G02F1/13362—Illuminating devices providing polarized light, e.g. by converting a polarisation component into another one
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- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
- G02B5/3058—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state comprising electrically conductive elements, e.g. wire grids, conductive particles
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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
- G02F1/133528—Polarisers
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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
- G02F1/133536—Reflective polarizers
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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
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133605—Direct backlight including specially adapted reflectors
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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
- G02F1/133548—Wire-grid polarisers
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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
- G02F1/133553—Reflecting elements
- G02F1/133555—Transflectors
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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
- G02F1/13356—Structural association of cells with optical devices, e.g. polarisers or reflectors characterised by the placement of the optical elements
- G02F1/133565—Structural association of cells with optical devices, e.g. polarisers or reflectors characterised by the placement of the optical elements inside the LC elements, i.e. between the cell substrates
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Abstract
【解決手段】インセル偏光子IP、それを含んだ液晶表示装置1、及びその製造方法に係り、該液晶表示装置1は、光源部20、光源部20上部に具備された第1基板30、第1基板30の上部に具備された電極層40、電極層40から離隔された第2基板50、第1基板30と第2基板50との間の液晶層48、第1基板30の一面に具備された反射部25、及び第1基板30の他面に具備されたワイヤグリッド偏光子35を含み、これにより、製造工程を単純化する。
【選択図】図1
Description
10 反射板、
20 光源部、
23 金属層、
25,25−1,25−2,25−3,25−4,25−5,25−6 反射部、
25−2a,25−3a,25−4a,25−5a 単位体、
25−6a,25−7a 本体、
25−6b,25−7b 凸凹部、
25a 第1反射部、
25b 第2反射部、
26 反射部の側面(傾斜側面)、
30 第1基板、
30a 第1基板の第1面、
30b 第1基板の第2面、
35,35C ワイヤグリッド偏光子、
35a ワイヤ、
35b グルーブ、
40 電極層、
45 ブラックマトリックス、
45a 第1ブラックマトリックス、
45b 第2ブラックマトリックス、
48 液晶層、
50 第2基板、
55 偏光板、
IP,IPA インセル偏光子、
OA 開口領域、
NOA 非開口領域。
Claims (23)
- 光源部と、
前記光源部上部に具備された第1基板と、
前記第1基板の上部に具備された電極層と、
前記電極層から離隔された第2基板と、
前記第2基板の一面に具備された偏光板と、
前記電極層と第2基板との間の液晶層と、
前記第1基板の一面に具備された反射部と、
前記第1基板の他面に具備されたワイヤグリッド偏光子と、を含む液晶表示装置。 - 前記第1基板が、前記光源部と対向する第1面と、前記電極層と対向する第2面とを含み、前記反射部が、第1基板の第1面に具備され、前記ワイヤグリッド偏光子が、前記第1基板の第2面に具備されたことを特徴とする請求項1に記載の液晶表示装置。
- 前記電極層は、ブラックマトリックスを含み、前記反射部が、前記ブラックマトリックスに対応する位置に配置されることを特徴とする請求項1または2に記載の液晶表示装置。
- 前記ワイヤグリッド偏光子は、前記ブラックマトリックスが具備されていない開口領域に対応する位置に配置されることを特徴とする請求項3に記載の液晶表示装置。
- 前記ワイヤグリッド偏光子は、前記第1基板のいずれか一面の全体領域、あるいは一部領域に具備されることを特徴とする請求項1〜4のいずれか一項に記載の液晶表示装置。
- 前記反射部が、少なくとも1つの傾斜側面を有することを特徴とする請求項1〜5のいずれか一項に記載の液晶表示装置。
- 前記反射部が、複数個の単位体を含むことを特徴とする請求項1〜5のいずれか一項に記載の液晶表示装置。
- 前記複数個の単位体が、少なくとも1つの傾斜側面を有し、複数個の単位体が、一次元アレイ構造または二次元アレイ構造に配列されたことを特徴とする請求項7に記載の液晶表示装置。
- 前記複数個の単位体が、台形断面、半円形断面または三角形断面のうち少なくとも一つを有することを特徴とする請求項7または8に記載の液晶表示装置。
- 前記反射部が、本体と、前記本体上に具備された凹凸部と、を含むことを特徴とする請求項1〜5のいずれか一項に記載の液晶表示装置。
- 前記本体が、四角形断面または台形断面を有することを特徴とする請求項10に記載の液晶表示装置。
- 基板と、
前記基板の一面に具備された反射部と、
前記基板の他面に具備されたワイヤグリッド偏光子と、を含むインセル偏光子。 - 前記反射部が具備された領域と、前記ワイヤグリッド偏光子が具備された領域とが、重畳されていない、あるいは一部重畳されていることを特徴とする請求項12に記載のインセル偏光子。
- 前記反射部は、前記基板の一部領域に具備されたことを特徴とする請求項12または13に記載のインセル偏光子。
- 前記反射部が、少なくとも1つの傾斜側面を有することを特徴とする請求項12〜14のいずれか一項に記載のインセル偏光子。
- 前記反射部が、複数個の単位体を含むことを特徴とする請求項12〜14のいずれか一項に記載のインセル偏光子。
- 前記複数個の単位体が、少なくとも1つの傾斜側面を有し、複数個の単位体が、一次元アレイ構造または二次元アレイ構造に配列されたことを特徴とする請求項16に記載のインセル偏光子。
- 前記複数個の単位体が、台形断面、半円形断面または三角形断面のうち少なくとも一つを有することを特徴とする請求項16または17に記載のインセル偏光子。
- 前記反射部が本体と、前記本体上に具備された凹凸部と、を含むことを特徴とする請求項12〜14のいずれか一項に記載のインセル偏光子。
- 光源部を形成する段階と、
前記光源部上部に第1基板を形成する段階と、
前記第1基板の一面に反射部を形成する段階と、
前記第1基板の他面に、前記反射部を形成する工程と独立して、ワイヤグリッド偏光子を形成する段階と、
前記第1基板の上部に電極層を形成する段階と、
前記電極層から離隔されるように第2基板を形成する段階と、
前記第2基板の一面に偏光板を形成する段階と、
前記電極層と第2基板との間に液晶層を形成する段階と、を含む液晶表示装置の製造方法。 - 前記ワイヤグリッド偏光子は、ナノインプリント法、ブロックコポリマー法、Eビームリソグラフィ法、グランシングアングル蒸着法のうちいずれか一つによって形成されることを特徴とする請求項20に記載の液晶表示装置の製造方法。
- 前記反射部は、フォトリソグラフィ法によって形成されることを特徴とする請求項20または21に記載の液晶表示装置の製造方法。
- 前記第1基板が、前記光源部と対向する第1面と、前記電極層と対向する第2面とを含み、前記反射部が、第1基板の第1面に具備され、前記ワイヤグリッド偏光子が、前記第1基板の第2面に具備されたことを特徴とする請求項20〜22のいずれか一項に記載の液晶表示装置の製造方法。
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CN104730761A (zh) * | 2015-04-08 | 2015-06-24 | 武汉华星光电技术有限公司 | 透反式液晶显示面板和透反式液晶显示器 |
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CN105446001B (zh) * | 2016-01-25 | 2018-09-04 | 京东方科技集团股份有限公司 | 一种显示面板及其工作方法、显示装置 |
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KR102654863B1 (ko) * | 2016-11-08 | 2024-04-05 | 삼성전자주식회사 | 지향성 백라이트 유닛 및 이를 포함하는 영상 표시 장치 |
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TWI687743B (zh) * | 2018-12-11 | 2020-03-11 | 友達光電股份有限公司 | 顯示裝置及偏光結構的製造方法 |
KR20220090079A (ko) * | 2020-12-22 | 2022-06-29 | 에스케이하이닉스 주식회사 | 이미지 센싱 장치 |
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Also Published As
Publication number | Publication date |
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JP6548212B2 (ja) | 2019-07-24 |
US9696589B2 (en) | 2017-07-04 |
EP2894511A1 (en) | 2015-07-15 |
CN104777659A (zh) | 2015-07-15 |
EP2894511B1 (en) | 2018-03-14 |
KR102148417B1 (ko) | 2020-08-27 |
CN104777659B (zh) | 2019-12-24 |
US20150198833A1 (en) | 2015-07-16 |
KR20150084243A (ko) | 2015-07-22 |
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