WO2017160031A1 - Filtre coloré plasmonique à reproductibilité de couleur élevée - Google Patents

Filtre coloré plasmonique à reproductibilité de couleur élevée Download PDF

Info

Publication number
WO2017160031A1
WO2017160031A1 PCT/KR2017/002653 KR2017002653W WO2017160031A1 WO 2017160031 A1 WO2017160031 A1 WO 2017160031A1 KR 2017002653 W KR2017002653 W KR 2017002653W WO 2017160031 A1 WO2017160031 A1 WO 2017160031A1
Authority
WO
WIPO (PCT)
Prior art keywords
filter
color filter
red
layer
conductor
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.)
Ceased
Application number
PCT/KR2017/002653
Other languages
English (en)
Korean (ko)
Inventor
주병권
이선욱
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Korea University Research and Business Foundation
Original Assignee
Korea University Research and Business Foundation
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Korea University Research and Business Foundation filed Critical Korea University Research and Business Foundation
Publication of WO2017160031A1 publication Critical patent/WO2017160031A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/22—Absorbing filters
    • G02B5/23—Photochromic filters
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/28—Interference filters
    • 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

Definitions

  • the present invention relates to a color filter that implements color by mounting a display or a sensor, and more particularly, to a plasmonic color filter including a hole pattern color filter including periodic holes and an island pattern color filter including periodic islands. will be.
  • the liquid crystal display may be configured of a color filter substrate, an array substrate (thin film transistor array), and a liquid crystal layer formed between the color filter substrate and the array substrate. . Since the manufacturing process of the liquid crystal display device basically requires a plurality of mask processes, that is, a photolithography process, a method of reducing the number of masks in terms of productivity is required.
  • the color filter used in the liquid crystal display absorbs and extinguishes unnecessary color light by using a dye or a pigment, and transmits only light of a color to be implemented to realize color by using the white light incident on one sub-pixel.
  • a dye or a pigment By transmitting only one of the three RGB primary colors, it may be difficult for the transmittance of the color filter layer to be 30 (%) or more. For this reason, the transmission efficiency of the panel (LCD panel) is very low, the power consumption by the backlight (backlight) can be increased.
  • the color filter may be complicated because the color filter is repeatedly applied to the color resist, exposure, development, and curing processes for each primary color.
  • a plasmonic color filter (PCF) technology that selectively extracts wavelengths using light scattering phenomena generated in a nanostructure having a periodic pattern has attracted attention.
  • the red filter causes serious color interference. Therefore, a color filter having a high color reproducibility with a new structure is required.
  • One technical problem to be solved by the present invention is to provide a plasmonic color filter that removes color interference, increases luminance and provides high transmittance.
  • a plasmonic color filter includes: a red filter formed of a conductor and transmitting red color and having islands periodically arranged in two dimensions; A green filter formed of a conductor, transmitting green, disposed adjacent to the red filter, and in which holes are periodically arranged two-dimensionally; And a blue filter formed of a conductor, transmitting blue, disposed adjacent to the red filter or the green filter, and in which holes are periodically arranged in two dimensions.
  • the period of the islands of the red filter may be 270 nm to 370 nm.
  • the fill factor which is the ratio of the area occupied by the islands to the total area of the red filter, may be 0.5 to 0.8.
  • Color filter is a transparent substrate; And a surface plasmon resonance color filter layer disposed coplanar on the transparent substrate.
  • the plasmonic color filter layer comprises a red filter region formed of a conductor and transmitting red color and having islands periodically arranged two-dimensionally; A green filter region formed of the conductor, transmitting green color, disposed adjacent to the red filter, and in which holes are periodically arranged in two dimensions; And a blue filter region formed of the conductor and transmitting blue and disposed adjacent to the red filter region or the green filter region and in which holes are periodically arranged in two dimensions.
  • the period of the islands of the red filter region may be 270 nm to 370 nm.
  • the fill factor which is the ratio of the area occupied by the islands to the total area of the red filter area, may be 0.5 to 0.8.
  • it may further include a transparent protective layer filling the spaces and holes between the islands of the plasmonic color filter layer and laminated on the plasmonic color filter layer.
  • it may further include a refractive index matching layer disposed between the plasmonic color filter layer and the transparent substrate.
  • the transparent substrate is a glass substrate
  • the protective layer may be a dielectric material having an average transmittance of 90 percent or more in the visible region.
  • the transparent substrate is a glass substrate
  • the plasmonic color filter is made of aluminum
  • the thickness is 100 nm to 200 nm
  • the thickness of the refractive index matching layer is 40 nm to 200 nm
  • the protective layer has a thickness of 100 nm to 200 nm
  • the refractive index matching layer and the protective layer may be LiF, silicon oxide film (SiOx), or silicon nitride film (SiNx).
  • the unit grid of the islands in the red filter region, is a square grid or triangular grid, in the blue filter region and the green filter region, the unit grid of holes is a square grid or triangular grid Can be.
  • the liquid crystal display according to the exemplary embodiment of the present invention includes a first glass substrate having a thin film transistor layer, a second glass substrate having a color filter layer, and a liquid crystal disposed between the thin film transistor layer and the color filter layer.
  • the color filter layer may include a red filter region formed of a conductor and transmitting red color and having islands periodically arranged in two dimensions; A green filter region formed of the conductor, transmitting green color, disposed adjacent to the red filter, and in which holes are periodically arranged in two dimensions; And a blue filter region formed of the conductor and transmitting blue and disposed adjacent to the red filter region or the green filter region and in which holes are periodically arranged in two dimensions.
  • An organic light emitting diode display includes a lower electrode layer, an organic layer, an upper electrode layer, a protective layer, and a plasmonic color filter layer sequentially stacked on a substrate.
  • the plasmonic color filter layer comprises a red filter region formed of a conductor and transmitting red color and having islands periodically arranged two-dimensionally; A green filter region formed of the conductor, transmitting green color, disposed adjacent to the red filter, and in which holes are periodically arranged in two dimensions; And a blue filter region formed of the conductor and transmitting blue and disposed adjacent to the red filter region or the green filter region and in which holes are periodically arranged in two dimensions.
  • a plasmonic color filter includes: a first plasmonic color filter formed of a conductor, transmitting a first wavelength band, and having islands periodically arranged in two dimensions; And a second plasmonic color filter formed of the conductor, transmitting a second wavelength band different from the first wavelength band, disposed adjacent to the first plasmonic color filter, and in which holes are periodically two-dimensionally arranged.
  • the period of the islands of the first plasmonic color filter may be 270 nm to 370 nm.
  • the fill factor which is the ratio of the area occupied by the islands to the total area of the first plasmonic color filter, may be 0.5 to 0.8.
  • a plasmonic color filter provides a color filter employing a blue or green color filter having a hole array structure and a red filter having a dot array structure. Accordingly, the three-primary plasmonic color filter provides a high color reproducible color filter and can raise the luminance.
  • 1A is a diagram illustrating a color filter according to an embodiment of the present invention.
  • FIG. 1B is a cross-sectional view taken along the line AA ′ of FIG. 1A.
  • FIG. 2A is a perspective view illustrating a plasmonic color filter having a hole array structure according to an embodiment of the present invention.
  • FIG. 2B is a simulation result showing the transmittance according to the wavelength of the plasmonic color filter of the hole array structure of FIG. 2A.
  • 3A is a perspective view illustrating a plasmonic color filter having a dot array structure according to an embodiment of the present invention.
  • 3B is a simulation result showing transmittance according to the wavelength of the plasmonic color filter of the dot array structure of FIG. 3A.
  • FIG. 4A illustrates color coordinates according to the lattice period P of the plasmonic color filter (D-PCF) having a dot array structure and the plasmonic color filter (H-PCF) having a hole array structure according to an embodiment of the present invention.
  • 4B shows the color gamut of the plasmonic color filter combined with R H G H B H and the plasmonic color filter combined with R D G H B H.
  • Figure 4c shows the transmittance characteristics according to the wavelength of the blue plasmonic color filter of the hole array structure.
  • Figure 4d shows the transmittance characteristics according to the wavelength of the green plasmonic color filter of the hole array structure.
  • 4E illustrates transmittance characteristics according to wavelengths of the red plasmonic color filter R D having the dot array structure and the red plasmonic color filter R H having the hole array structure.
  • 5A are electron micrographs of a plasmonic color filter (D-PCF) having a dot array structure and a plasmonic color filter (H-PCF) having a hole array structure according to an embodiment of the present invention.
  • D-PCF plasmonic color filter
  • H-PCF plasmonic color filter
  • 5B shows a plasmonic color filter combined with color coordinates and R H G H B H according to the period of the plasmonic color filter (D-PCF) of the dot array structure and the plasmonic color filter (H-PCF) of the hole array structure, The experimental results for the color gamut of the plasmonic color filter combined with R D G H B H are shown.
  • 5C shows the transmittance according to the wavelength of the blue plasmonic color filter B H of the hole array structure, the green plasmonic color filter G H of the hole array structure, and the red plasmonic color filter R D of the dot array structure. The experimental results are shown.
  • 6A is a diagram illustrating a structure of a plasmonic color filter combined with R D G H B H according to an embodiment of the present invention.
  • 6B is a simulation result showing color coordinates of a plasmonic color filter combined with R D G H B H and a plasmonic color filter combined with R H G H B H.
  • 6C shows the blue plasmonic color filter B H of the hole array structure, the green plasmonic color filter G H of the hole array structure, the red plasmonic color filter R H of the hole array structure, and the dot array structure of FIG. the simulation results showing the transmittance characteristic according to the wavelength of the red color filter plasmonic (R D).
  • FIG. 7A is a diagram illustrating a structure of a plasmonic color filter combined with R D G H B H according to an embodiment of the present invention.
  • 7B is a simulation result showing color coordinates of the plasmonic color filter combined with R D G H B H and the plasmonic color filter combined with R H G H B H.
  • FIG. 7C shows a blue plasmonic color filter B H of a hole array structure, a green plasmonic color filter G H of a hole array structure, a red plasmonic color filter R H of a hole array structure, and a dot array structure of FIG. the simulation results showing the transmittance characteristic according to the wavelength of the red color filter plasmonic (R D).
  • FIG. 8A is a diagram illustrating a structure of a plasmonic color filter combined with R D G H B H according to an embodiment of the present invention.
  • 8B is a simulation result showing color coordinates of the plasmonic color filter combined with R D G H B H and the plasmonic color filter combined with R H G H B H.
  • FIG. 8C shows a blue plasmonic color filter B H of a hole array structure, a green plasmonic color filter G H of a hole array structure, a red plasmonic color filter R H of a hole array structure, and a dot array structure of FIG. the simulation results showing the transmittance characteristic according to the wavelength of the red color filter plasmonic (R D).
  • FIG. 9 is a conceptual diagram illustrating a liquid crystal display according to another exemplary embodiment of the present invention.
  • FIG. 10 is a conceptual diagram illustrating an organic light emitting diode display according to another exemplary embodiment of the present invention.
  • a red filter region 126 in which islands are periodically arranged two-dimensionally;
  • a green filter region (124) formed of the conductor and transmitting green, disposed adjacent to the red filter, and in which holes are periodically arranged two-dimensionally;
  • a blue filter region 122 formed of the conductor, disposed blue adjacent to the red filter region or the green filter region, and in which holes are periodically arranged in two dimensions.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optical Filters (AREA)
  • Spectroscopy & Molecular Physics (AREA)

Abstract

La présente invention concerne un filtre coloré plasmonique. Le filtre coloré plasmonique comprend : un filtre rouge qui est formé d'un conducteur, transmet une couleur rouge, et présente des îlots disposés périodiquement dans celui-ci en deux dimensions; un filtre vert qui est formé d'un conducteur, transmet une couleur verte, est disposé de manière adjacente au filtre rouge, et présente des trous agencés périodiquement dans celui-ci en deux dimensions; et un filtre bleu qui est formé d'un conducteur, transmet une couleur bleue, est disposé de manière adjacente au filtre rouge ou au filtre vert, et présente des trous agencés périodiquement dans celui-ci en deux dimensions.
PCT/KR2017/002653 2016-03-14 2017-03-13 Filtre coloré plasmonique à reproductibilité de couleur élevée Ceased WO2017160031A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2016-0030250 2016-03-14
KR1020160030250A KR101783133B1 (ko) 2016-03-14 2016-03-14 높은 색재현성 플라즈모닉 컬러 필터

Publications (1)

Publication Number Publication Date
WO2017160031A1 true WO2017160031A1 (fr) 2017-09-21

Family

ID=59850257

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2017/002653 Ceased WO2017160031A1 (fr) 2016-03-14 2017-03-13 Filtre coloré plasmonique à reproductibilité de couleur élevée

Country Status (2)

Country Link
KR (1) KR101783133B1 (fr)
WO (1) WO2017160031A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015010191A1 (de) * 2015-08-06 2017-02-09 Giesecke & Devrient Gmbh Sicherheitselement mit Subwellenlängengitter
KR102852675B1 (ko) * 2019-12-30 2025-08-28 엘지디스플레이 주식회사 표시장치
KR102429415B1 (ko) * 2020-05-15 2022-08-04 주식회사 옵트론텍 편광기를 갖는 광학 필터
KR102925806B1 (ko) * 2020-10-13 2026-02-09 엘지디스플레이 주식회사 유기 발광 표시 장치

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110075537A (ko) * 2009-12-28 2011-07-06 엘지디스플레이 주식회사 표면 플라즈몬을 이용한 컬러필터 및 액정표시장치의 제조방법
KR20130098651A (ko) * 2012-02-28 2013-09-05 광운대학교 산학협력단 금속 격자 기반의 광 파장 필터
KR101308079B1 (ko) * 2012-05-08 2013-09-12 한국과학기술원 표면 플라즈몬 컬러필터
KR101374551B1 (ko) * 2012-05-25 2014-03-17 한국과학기술원 광결정 구조를 포함하는 표면 플라즈몬 컬러필터
KR101510725B1 (ko) * 2012-11-30 2015-04-10 한국과학기술원 비등방성 패턴을 포함하는 능동형 표면 플라즈모닉 컬러 필터, 및 능동형 표면 플라즈모닉 컬러필터를 포함하는 디스플레이 소자

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060130543A (ko) 2003-08-06 2006-12-19 유니버시티 오브 피츠버그 오브 더 커먼웰쓰 시스템 오브 하이어 에듀케이션 표면 플라즈몬-강화 나노-광 소자 및 그의 제조 방법
EP2564247A2 (fr) 2010-04-27 2013-03-06 The Regents Of The University Of Michigan Dispositif d'affichage ayant des filtres de couleur plasmoniques et ayant des capacités photovoltaïques

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110075537A (ko) * 2009-12-28 2011-07-06 엘지디스플레이 주식회사 표면 플라즈몬을 이용한 컬러필터 및 액정표시장치의 제조방법
KR20130098651A (ko) * 2012-02-28 2013-09-05 광운대학교 산학협력단 금속 격자 기반의 광 파장 필터
KR101308079B1 (ko) * 2012-05-08 2013-09-12 한국과학기술원 표면 플라즈몬 컬러필터
KR101374551B1 (ko) * 2012-05-25 2014-03-17 한국과학기술원 광결정 구조를 포함하는 표면 플라즈몬 컬러필터
KR101510725B1 (ko) * 2012-11-30 2015-04-10 한국과학기술원 비등방성 패턴을 포함하는 능동형 표면 플라즈모닉 컬러 필터, 및 능동형 표면 플라즈모닉 컬러필터를 포함하는 디스플레이 소자

Also Published As

Publication number Publication date
KR101783133B1 (ko) 2017-09-28
KR20170106759A (ko) 2017-09-22

Similar Documents

Publication Publication Date Title
CN103794632B (zh) 显示面板
KR100878280B1 (ko) 4색 구동 액정 표시 장치 및 이에 사용하는 표시판
US5684552A (en) Color liquid crystal display having a color filter composed of multilayer thin films
CN202049251U (zh) 一种彩色滤光片及显示设备
US20180088416A1 (en) Array substrate and method for manufacturing the same, and display panel
CN109946885A (zh) 液晶显示面板以及电子设备
CN210628315U (zh) 透明显示面板及显示装置
WO2021174615A1 (fr) Panneau d'affichage à points quantiques et son procédé de préparation
WO2017160031A1 (fr) Filtre coloré plasmonique à reproductibilité de couleur élevée
WO2014082326A1 (fr) Dispositif d'affichage à cristaux liquides et substrat de filtre coloré associé
CN202049252U (zh) 一种彩色滤光片、液晶面板及显示装置
CN104730759A (zh) 显示面板及其制作方法
WO2018196074A1 (fr) Panneau d'affichage à diodes électroluminescentes organiques (delo) et son procédé de fabrication
CN109768180A (zh) Oled基板、oled基板的制作方法及柔性显示装置
CN106098742A (zh) 有机发光显示装置及制造方法
TWI382376B (zh) 液晶顯示器之彩色濾光器及其製造方法
CN105068343A (zh) 显示基板和显示装置
US20190027514A1 (en) Display panel and manufacturing method thereof
WO2017105099A2 (fr) Filtre couleur
US7381505B2 (en) Color filter substrate for liquid crystal display device and method for manufacturing the same
CN109581723B (zh) 一种显示面板和显示装置
CN102628972B (zh) 一种彩色滤光膜基板、液晶面板及液晶显示器
WO2018160019A2 (fr) Dispositif d'affichage électroluminescent organique à points quantiques imprimés et son procédé fabrication
WO2018120022A1 (fr) Filtre coloré, appareil d'affichage et procédé de fabrication de filtre coloré
WO2018000483A1 (fr) Substrat de film en couleurs et son procédé de fabrication

Legal Events

Date Code Title Description
NENP Non-entry into the national phase

Ref country code: DE

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 17766932

Country of ref document: EP

Kind code of ref document: A1

122 Ep: pct application non-entry in european phase

Ref document number: 17766932

Country of ref document: EP

Kind code of ref document: A1