KR20200127064A - 광 경로 제어 기능을 갖는 확산판 및 백라이트 장치 - Google Patents

광 경로 제어 기능을 갖는 확산판 및 백라이트 장치 Download PDF

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Publication number
KR20200127064A
KR20200127064A KR1020190050215A KR20190050215A KR20200127064A KR 20200127064 A KR20200127064 A KR 20200127064A KR 1020190050215 A KR1020190050215 A KR 1020190050215A KR 20190050215 A KR20190050215 A KR 20190050215A KR 20200127064 A KR20200127064 A KR 20200127064A
Authority
KR
South Korea
Prior art keywords
light
diffusion plate
plate
dimensional pattern
backlight device
Prior art date
Application number
KR1020190050215A
Other languages
English (en)
Korean (ko)
Inventor
박세희
Original Assignee
희성전자 주식회사
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 희성전자 주식회사 filed Critical 희성전자 주식회사
Priority to KR1020190050215A priority Critical patent/KR20200127064A/ko
Priority to PCT/KR2019/009185 priority patent/WO2020222358A1/ko
Priority to TW108132257A priority patent/TWI716100B/zh
Priority to CN201910936516.XA priority patent/CN111856814A/zh
Publication of KR20200127064A publication Critical patent/KR20200127064A/ko

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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
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • 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
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
    • G02B5/0215—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having a regular structure
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/0236—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element
    • G02B5/0242—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element by means of dispersed particles
    • 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
    • G02F1/133603—Direct backlight with LEDs
    • 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
    • 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
    • G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
    • G02F2001/133607—

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Mathematical Physics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Planar Illumination Modules (AREA)
KR1020190050215A 2019-04-30 2019-04-30 광 경로 제어 기능을 갖는 확산판 및 백라이트 장치 KR20200127064A (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1020190050215A KR20200127064A (ko) 2019-04-30 2019-04-30 광 경로 제어 기능을 갖는 확산판 및 백라이트 장치
PCT/KR2019/009185 WO2020222358A1 (ko) 2019-04-30 2019-07-24 광 경로 제어 기능을 갖는 확산판 및 백라이트 장치
TW108132257A TWI716100B (zh) 2019-04-30 2019-09-06 具有光徑控制功能的擴散板及背光裝置
CN201910936516.XA CN111856814A (zh) 2019-04-30 2019-09-29 具有光径控制功能的扩散板及背光装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020190050215A KR20200127064A (ko) 2019-04-30 2019-04-30 광 경로 제어 기능을 갖는 확산판 및 백라이트 장치

Publications (1)

Publication Number Publication Date
KR20200127064A true KR20200127064A (ko) 2020-11-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020190050215A KR20200127064A (ko) 2019-04-30 2019-04-30 광 경로 제어 기능을 갖는 확산판 및 백라이트 장치

Country Status (4)

Country Link
KR (1) KR20200127064A (zh)
CN (1) CN111856814A (zh)
TW (1) TWI716100B (zh)
WO (1) WO2020222358A1 (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113721390A (zh) * 2021-09-02 2021-11-30 东莞市谷麦光学科技有限公司 用于mini LED背光模组的扩散膜及其制备方法、背光模组
TWI807517B (zh) * 2021-12-03 2023-07-01 晶元光電股份有限公司 背光模組
CN114647116B (zh) * 2022-04-26 2023-07-07 深圳创维－Rgb电子有限公司 一种扩散板结构及显示装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110042478A (ko) 2009-10-19 2011-04-27 엘지전자 주식회사 백라이트 모듈 및 이를 구비한 액정 표시 장치
KR20170066974A (ko) 2015-12-07 2017-06-15 삼성전자주식회사 광 확산판 및 이를 포함하는 디스플레이 장치

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JP2006114239A (ja) * 2004-10-12 2006-04-27 Fujikura Ltd 面状光源用導光体とその製造方法、面状光源、照明装置、看板及び液晶表示装置
TW200700828A (en) * 2005-06-20 2007-01-01 Chi Lin Technology Co Ltd Diffusion brightness enhancement device
CN100437276C (zh) * 2005-08-05 2008-11-26 鸿富锦精密工业（深圳）有限公司 直下式背光模组及液晶显示装置
CN1932607B (zh) * 2005-09-13 2011-10-12 京东方科技集团股份有限公司 一种带有非平面反射镜阵列的led背光模块
CN101118337B (zh) * 2006-08-04 2010-04-07 鸿富锦精密工业（深圳）有限公司 光学板及其制备方法,以及采用该光学板的背光模组
CN101126866B (zh) * 2006-08-17 2010-12-29 奇美电子股份有限公司 直下式背光模块及包含该背光模块的液晶显示装置
CN101149523A (zh) * 2006-09-22 2008-03-26 欧立恩科技股份有限公司 具直下式导光板的背光模块及灯具
KR100884080B1 (ko) * 2007-05-29 2009-02-19 제일모직주식회사 광특성 및 내열성이 우수한 ｌｃｄ 백라이트 유닛용광확산판
CN101359122B (zh) * 2007-08-03 2011-05-04 清华大学 背光模组
CN102042562B (zh) * 2009-10-16 2013-07-03 清华大学 导光板及背光模组
JP5590582B2 (ja) * 2009-11-05 2014-09-17 エルジー・ケム・リミテッド バックライトユニット
KR20110136645A (ko) * 2010-06-15 2011-12-21 엘지디스플레이 주식회사 백라이트 유닛 및 이를 구비한 액정표시장치
KR101379924B1 (ko) * 2010-07-02 2014-04-04 엘지이노텍 주식회사 백라이트유닛 및 이를 이용한 액정표시장치
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TWI541472B (zh) * 2015-06-11 2016-07-11 友達光電股份有限公司 背光模組
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KR20170066974A (ko) 2015-12-07 2017-06-15 삼성전자주식회사 광 확산판 및 이를 포함하는 디스플레이 장치

Also Published As

Publication number Publication date
WO2020222358A1 (ko) 2020-11-05
CN111856814A (zh) 2020-10-30
TWI716100B (zh) 2021-01-11
TW202041936A (zh) 2020-11-16

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