KR101245887B1 - 광학소자와 그 제조방법 및 장치, 광학소자를 이용한백라이트 유닛, 및 그 백라이트유닛을 이용한 액정표시장치 - Google Patents

광학소자와 그 제조방법 및 장치, 광학소자를 이용한백라이트 유닛, 및 그 백라이트유닛을 이용한 액정표시장치 Download PDF

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KR101245887B1
KR101245887B1 KR1020050100627A KR20050100627A KR101245887B1 KR 101245887 B1 KR101245887 B1 KR 101245887B1 KR 1020050100627 A KR1020050100627 A KR 1020050100627A KR 20050100627 A KR20050100627 A KR 20050100627A KR 101245887 B1 KR101245887 B1 KR 101245887B1
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KR
South Korea
Prior art keywords
beads
transparent resin
light source
delete delete
optical device
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KR1020050100627A
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English (en)
Korean (ko)
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KR20060132431A (ko
Inventor
김준식
Original Assignee
엘지디스플레이 주식회사
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Application filed by 엘지디스플레이 주식회사 filed Critical 엘지디스플레이 주식회사
Priority to US11/288,256 priority Critical patent/US20060285352A1/en
Publication of KR20060132431A publication Critical patent/KR20060132431A/ko
Application granted granted Critical
Publication of KR101245887B1 publication Critical patent/KR101245887B1/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
    • G02F1/133604—Direct backlight with lamps
    • 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
    • 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
    • G02F1/1335—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

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)
  • Optical Elements Other Than Lenses (AREA)
KR1020050100627A 2005-06-17 2005-10-25 광학소자와 그 제조방법 및 장치, 광학소자를 이용한백라이트 유닛, 및 그 백라이트유닛을 이용한 액정표시장치 KR101245887B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US11/288,256 US20060285352A1 (en) 2005-06-17 2005-11-29 Optical device, apparatus and method for fabricating the optical device, backlight unit using the optical device, and liquid crystal display device using the backlight unit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20050052671 2005-06-17
KR1020050052671 2005-06-17

Publications (2)

Publication Number Publication Date
KR20060132431A KR20060132431A (ko) 2006-12-21
KR101245887B1 true KR101245887B1 (ko) 2013-03-20

Family

ID=37519283

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020050100627A KR101245887B1 (ko) 2005-06-17 2005-10-25 광학소자와 그 제조방법 및 장치, 광학소자를 이용한백라이트 유닛, 및 그 백라이트유닛을 이용한 액정표시장치

Country Status (2)

Country Link
KR (1) KR101245887B1 (zh)
CN (1) CN1881029A (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100863959B1 (ko) * 2007-05-18 2008-10-16 삼성에스디아이 주식회사 발광 장치 및 이를 구비한 표시 장치
TWI376528B (en) 2007-07-16 2012-11-11 Gigno Technology Co Ltd Light-emitting module, diffusion unit and diffusion sheet
KR100925065B1 (ko) * 2008-09-25 2009-11-03 삼성전기주식회사 Ｌｅｄ를 사용한 백라이트 유닛
KR102526548B1 (ko) * 2018-06-12 2023-05-02 삼성디스플레이 주식회사 표시장치 및 이의 제조방법

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5600455A (en) * 1994-08-31 1997-02-04 Enplas Corporation Prismatic member with coarsened portions or triangular prismatic and semi-circular prismatic members arranged on a flat light emitting surface
JP2003029006A (ja) * 2001-07-13 2003-01-29 Keiwa Inc 光学シート
KR20030090589A (ko) * 2003-11-12 2003-11-28 박경태 난반사용 시트지 및 그 제조방법
KR20050042969A (ko) * 2003-11-04 2005-05-11 엘지.필립스 엘시디 주식회사 액정표시소자의 백라이트

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5600455A (en) * 1994-08-31 1997-02-04 Enplas Corporation Prismatic member with coarsened portions or triangular prismatic and semi-circular prismatic members arranged on a flat light emitting surface
JP2003029006A (ja) * 2001-07-13 2003-01-29 Keiwa Inc 光学シート
KR20050042969A (ko) * 2003-11-04 2005-05-11 엘지.필립스 엘시디 주식회사 액정표시소자의 백라이트
KR20030090589A (ko) * 2003-11-12 2003-11-28 박경태 난반사용 시트지 및 그 제조방법

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Publication number Publication date
CN1881029A (zh) 2006-12-20
KR20060132431A (ko) 2006-12-21

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