JP2007188074A - 輝度分布の不均一を改善する光学部材 - Google Patents

輝度分布の不均一を改善する光学部材 Download PDF

Info

Publication number
JP2007188074A
JP2007188074A JP2006340535A JP2006340535A JP2007188074A JP 2007188074 A JP2007188074 A JP 2007188074A JP 2006340535 A JP2006340535 A JP 2006340535A JP 2006340535 A JP2006340535 A JP 2006340535A JP 2007188074 A JP2007188074 A JP 2007188074A
Authority
JP
Japan
Prior art keywords
pattern
light
optical member
layer
substrate
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.)
Pending
Application number
JP2006340535A
Other languages
English (en)
Japanese (ja)
Inventor
Chi-Liang Zseng
リャン チェン,チー
Chi-Wen Liao
ウェン リャオ,チー
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.)
Exploit Technology Co Ltd
Original Assignee
Exploit Technology Co Ltd
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 Exploit Technology Co Ltd filed Critical Exploit Technology Co Ltd
Publication of JP2007188074A publication Critical patent/JP2007188074A/ja
Pending legal-status Critical Current

Links

Images

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/02Diffusing elements; Afocal elements
    • G02B5/0205Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/021Diffusing 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
    • G02B5/0226Diffusing 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 having particles on the surface
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/02Diffusing elements; Afocal elements
    • G02B5/0205Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/0263Diffusing elements; Afocal elements characterised by the diffusing properties with positional variation of the diffusing properties, e.g. gradient or patterned diffuser
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/02Diffusing elements; Afocal elements
    • G02B5/0273Diffusing elements; Afocal elements characterized by the use
    • G02B5/0278Diffusing elements; Afocal elements characterized by the use used in transmission
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0033Means for improving the coupling-out of light from the light guide
    • G02B6/005Means 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
    • G02B6/0051Diffusing sheet or layer
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0033Means for improving the coupling-out of light from the light guide
    • G02B6/0058Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
    • G02B6/0061Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to provide homogeneous light output intensity
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133553Reflecting elements
JP2006340535A 2006-01-13 2006-12-18 輝度分布の不均一を改善する光学部材 Pending JP2007188074A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW095200877U TWM295745U (en) 2006-01-13 2006-01-13 Optical device capable of improving mura phenomenon

Publications (1)

Publication Number Publication Date
JP2007188074A true JP2007188074A (ja) 2007-07-26

Family

ID=37873832

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2006340535A Pending JP2007188074A (ja) 2006-01-13 2006-12-18 輝度分布の不均一を改善する光学部材

Country Status (3)

Country Link
JP (1) JP2007188074A (ko)
KR (1) KR100869288B1 (ko)
TW (1) TWM295745U (ko)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20130073071A (ko) * 2011-12-23 2013-07-03 엘지이노텍 주식회사 광학 시트용 몰드 및 그 제조방법, 그리고 상기 몰드를 이용하여 제조된 광학 시트
CN107591134A (zh) * 2017-08-16 2018-01-16 深圳创维-Rgb电子有限公司 Mura现象补偿方法、电视及计算机可读存储介质
CN114754336A (zh) * 2021-11-02 2022-07-15 广东皇智照明科技有限公司 一种传感器控制的发光设备

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101340604B1 (ko) * 2008-12-30 2013-12-11 엘지디스플레이 주식회사 백라이트 유닛 및 이를 구비한 액정표시장치모듈
CN115079464A (zh) * 2021-03-11 2022-09-20 瑞仪(广州)光电子器件有限公司 背光模组及显示装置
TWI773182B (zh) 2021-03-11 2022-08-01 瑞儀光電股份有限公司 背光模組及顯示裝置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3698097B2 (ja) * 2001-12-11 2005-09-21 セイコーエプソン株式会社 電気光学装置用基板、電気光学装置及び電子機器
KR100621863B1 (ko) * 2002-06-19 2006-09-13 엘지.필립스 엘시디 주식회사 액정표시장치의 백라이트 유닛
KR100880217B1 (ko) * 2002-07-24 2009-01-28 엘지디스플레이 주식회사 백라이트

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20130073071A (ko) * 2011-12-23 2013-07-03 엘지이노텍 주식회사 광학 시트용 몰드 및 그 제조방법, 그리고 상기 몰드를 이용하여 제조된 광학 시트
KR101914454B1 (ko) 2011-12-23 2018-11-05 엘지이노텍 주식회사 광학 시트용 몰드 및 그 제조방법, 그리고 상기 몰드를 이용하여 제조된 광학 시트
CN107591134A (zh) * 2017-08-16 2018-01-16 深圳创维-Rgb电子有限公司 Mura现象补偿方法、电视及计算机可读存储介质
CN114754336A (zh) * 2021-11-02 2022-07-15 广东皇智照明科技有限公司 一种传感器控制的发光设备

Also Published As

Publication number Publication date
KR20070076387A (ko) 2007-07-24
KR100869288B1 (ko) 2008-11-18
TWM295745U (en) 2006-08-11

Similar Documents

Publication Publication Date Title
KR102297644B1 (ko) 백라이트 유닛 및 이를 포함하는 액정표시장치
US10871607B2 (en) Lighting device and display device
KR101290584B1 (ko) 직하형 백라이트 유닛 및 직하형 백라이트 유닛에서의확산판 제조방법
JP4435774B2 (ja) バックライトアセンブリ及び液晶表示装置
KR101692509B1 (ko) 디스플레이 장치
JP2010135204A (ja) 面状光源及び液晶表示装置
JP2006120594A (ja) 厚さの減少したバックライト装置
CN102884476A (zh) 背光单元和显示设备
US8789997B2 (en) Light guide plate, surface light source device, and transmission image display device
US20220113591A1 (en) Diffusion plate and backlight module
JP5709599B2 (ja) 導光板及びこれを備えたバックライトユニット
JP2007188074A (ja) 輝度分布の不均一を改善する光学部材
KR101707574B1 (ko) 차광 패턴을 갖는 백라이트 유닛 및 그의 차광 패턴 형성방법
KR101315467B1 (ko) 백라이트 유닛 및 이를 포함하는 디스플레이장치
JP2012084303A (ja) 光源モジュールおよび電子機器
US10754196B2 (en) Lighting device and display device
JP2010108601A (ja) 面状光源及び液晶表示装置
KR20150011174A (ko) 백라이트 유닛 및 표시 장치
JP2010102906A (ja) 面状光源及び液晶表示装置
KR20110041825A (ko) 백라이트 유닛 및 이를 구비한 액정표시장치
JP2012084301A (ja) 光源モジュールおよび電子機器
JP5138493B2 (ja) 表示装置
JP5184240B2 (ja) 表示装置
KR102582503B1 (ko) 액정 표시 장치
KR20130053568A (ko) 백라이트 유닛 및 그를 이용한 디스플레이 장치

Legal Events

Date Code Title Description
A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20090707

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20091208