FR2785687B1 - LIGHT IRRADIATION DEVICE - Google Patents

LIGHT IRRADIATION DEVICE

Info

Publication number
FR2785687B1
FR2785687B1 FR9913900A FR9913900A FR2785687B1 FR 2785687 B1 FR2785687 B1 FR 2785687B1 FR 9913900 A FR9913900 A FR 9913900A FR 9913900 A FR9913900 A FR 9913900A FR 2785687 B1 FR2785687 B1 FR 2785687B1
Authority
FR
France
Prior art keywords
light irradiation
irradiation device
light
irradiation
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.)
Expired - Lifetime
Application number
FR9913900A
Other languages
French (fr)
Other versions
FR2785687A1 (en
Inventor
Ki Hyuk Yoon
Young Seok Choi
Soon Bum Kwon
Byung Duck Song
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.)
LG Display Co Ltd
Original Assignee
LG Philips LCD 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 LG Philips LCD Co Ltd filed Critical LG Philips LCD Co Ltd
Publication of FR2785687A1 publication Critical patent/FR2785687A1/en
Application granted granted Critical
Publication of FR2785687B1 publication Critical patent/FR2785687B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • 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
    • G02B5/3066—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state involving the reflection of light at a particular angle of incidence, e.g. Brewster's angle
    • 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
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • G02F1/13378—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation
    • G02F1/133788—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation by light irradiation, e.g. linearly polarised light photo-polymerisation
    • 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
    • G02F1/1303—Apparatus specially adapted to the manufacture of LCDs
    • 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
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • G02F1/133707—Structures for producing distorted electric fields, e.g. bumps, protrusions, recesses, slits in pixel electrodes
    • 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
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • G02F1/133753—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers with different alignment orientations or pretilt angles on a same surface, e.g. for grey scale or improved viewing angle

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Liquid Crystal (AREA)
FR9913900A 1998-11-06 1999-11-05 LIGHT IRRADIATION DEVICE Expired - Lifetime FR2785687B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019980047490A KR100323731B1 (en) 1998-11-06 1998-11-06 Light irradiating device

Publications (2)

Publication Number Publication Date
FR2785687A1 FR2785687A1 (en) 2000-05-12
FR2785687B1 true FR2785687B1 (en) 2003-06-06

Family

ID=19557359

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9913900A Expired - Lifetime FR2785687B1 (en) 1998-11-06 1999-11-05 LIGHT IRRADIATION DEVICE

Country Status (6)

Country Link
JP (1) JP3936086B2 (en)
KR (1) KR100323731B1 (en)
DE (1) DE19953356B4 (en)
FR (1) FR2785687B1 (en)
GB (1) GB2343525B (en)
TW (1) TW518427B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6791749B2 (en) 2001-08-29 2004-09-14 Delpico Joseph Polarized exposure for web manufacture
US6874899B2 (en) * 2002-07-12 2005-04-05 Eastman Kodak Company Apparatus and method for irradiating a substrate
JP4329424B2 (en) * 2003-06-18 2009-09-09 ソニー株式会社 Manufacturing method of liquid crystal display device, lighting device
JP4622409B2 (en) * 2004-09-16 2011-02-02 ウシオ電機株式会社 Photo-alignment method
KR101044473B1 (en) * 2004-09-30 2011-06-27 엘지디스플레이 주식회사 Apparatus for illuminating polarization
JP2007078824A (en) * 2005-09-12 2007-03-29 Joyo Kogaku Kk Orientation processing method and apparatus
KR100911459B1 (en) * 2008-08-06 2009-08-11 삼성전자주식회사 Method of forming an alignment layer, method of manufacturing liquid crystal display apparatus using the same and apparatus for forming the alignment layer
KR101113721B1 (en) * 2011-05-03 2012-02-27 이현순 Device of polarized light
BR112014013560A2 (en) * 2011-12-05 2017-06-13 Lg Chemical Ltd ultraviolet polarization separation element, methods for manufacturing an ultraviolet polarization separation element, and for radiating light, and light irradiation device
EP2790043B1 (en) 2011-12-05 2022-07-13 LG Chem, Ltd. Polarization separation element
KR102007751B1 (en) * 2018-03-05 2019-08-06 동우 화인켐 주식회사 Light orientation illuminating apparatus

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2773795B2 (en) * 1995-05-10 1998-07-09 スタンレー電気株式会社 Manufacturing method of liquid crystal alignment structure and liquid crystal display device
FR2744536B1 (en) * 1996-02-01 2004-03-05 Lg Electronics Inc ULTRAVIOLET IRRADIATION DEVICE FOR A PHOTOALIGNMENT PROCESS, AND IRRADIATION METHOD USING THE SAME
KR0169063B1 (en) * 1996-02-01 1999-03-20 구자홍 Apparatus of irradiation ultraviolet light for photo-orientation
JP3146998B2 (en) * 1996-09-12 2001-03-19 ウシオ電機株式会社 Polarized light irradiator for photo-alignment of alignment film of liquid crystal display device
US6191836B1 (en) * 1996-11-07 2001-02-20 Lg Philips Lcd, Co., Ltd. Method for fabricating a liquid crystal cell
JP3784118B2 (en) * 1996-12-03 2006-06-07 ランテクニカルサービス株式会社 Exposure equipment
KR100238377B1 (en) * 1997-05-03 2000-01-15 김영환 Optical alignment apparatus and method
US6307609B1 (en) * 1997-08-05 2001-10-23 Wayne M. Gibbons Polarized light exposure systems for aligning liquid crystals

Also Published As

Publication number Publication date
GB9926307D0 (en) 2000-01-12
GB2343525B (en) 2002-07-10
GB2343525A (en) 2000-05-10
DE19953356B4 (en) 2008-04-10
JP2000147506A (en) 2000-05-26
TW518427B (en) 2003-01-21
FR2785687A1 (en) 2000-05-12
KR20000031441A (en) 2000-06-05
DE19953356A1 (en) 2000-05-18
KR100323731B1 (en) 2002-05-09
JP3936086B2 (en) 2007-06-27

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