HK1048516A1 - 光漫射片和使用該光漫射片的背照光組件 - Google Patents

光漫射片和使用該光漫射片的背照光組件

Info

Publication number
HK1048516A1
HK1048516A1 HK03100503.7A HK03100503A HK1048516A1 HK 1048516 A1 HK1048516 A1 HK 1048516A1 HK 03100503 A HK03100503 A HK 03100503A HK 1048516 A1 HK1048516 A1 HK 1048516A1
Authority
HK
Hong Kong
Prior art keywords
same
backlight unit
light diffusion
diffusion sheet
sheet
Prior art date
Application number
HK03100503.7A
Other languages
English (en)
Inventor
原田賢一
正木均
Original Assignee
惠和株式會社
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 惠和株式會社 filed Critical 惠和株式會社
Publication of HK1048516A1 publication Critical patent/HK1048516A1/zh

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light 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
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means 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
    • G02B6/0051—Diffusing sheet or layer
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V3/00—Globes; Bowls; Cover glasses
    • F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light 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
    • G02B6/0065—Manufacturing aspects; Material aspects

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)
HK03100503.7A 2001-02-22 2003-01-21 光漫射片和使用該光漫射片的背照光組件 HK1048516A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001046673 2001-02-22
JP2001278033A JP5054872B2 (ja) 2001-02-22 2001-09-13 光拡散シート及びこれを用いたバックライトユニット

Publications (1)

Publication Number Publication Date
HK1048516A1 true HK1048516A1 (zh) 2003-04-04

Family

ID=26609900

Family Applications (1)

Application Number Title Priority Date Filing Date
HK03100503.7A HK1048516A1 (zh) 2001-02-22 2003-01-21 光漫射片和使用該光漫射片的背照光組件

Country Status (6)

Country Link
US (2) US6709143B2 (zh)
JP (1) JP5054872B2 (zh)
KR (1) KR100453336B1 (zh)
CN (1) CN1189765C (zh)
HK (1) HK1048516A1 (zh)
TW (1) TWI263821B (zh)

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JP3515401B2 (ja) * 1998-12-18 2004-04-05 大日本印刷株式会社 防眩フィルム、偏光板及び透過型表示装置
JP3154981B2 (ja) * 1998-12-28 2001-04-09 恵和株式会社 光拡散シートの製造方法
JP3430098B2 (ja) * 1999-01-21 2003-07-28 恵和株式会社 光拡散シート及びこれを用いたバックライトユニット
KR100387290B1 (ko) * 1999-02-05 2003-06-12 주식회사 엘지화학 액정표시장치용 백라이트 시스템 및 백라이트 방법 및 그를 이용한 액정표시장치
JP2001066404A (ja) * 1999-08-30 2001-03-16 Keiwa Inc 光拡散シート及びこれを用いたバックライトユニット
JP4897992B2 (ja) * 1999-11-08 2012-03-14 恵和株式会社 光拡散シート及びこれを用いたバックライトユニット
KR100373841B1 (ko) * 1999-11-23 2003-02-26 삼성에스디아이 주식회사 디퓨징 기능을 갖는 엘씨디 반사층 베이스 코팅 조성물
KR100707731B1 (ko) * 2000-11-17 2007-04-16 주식회사 코오롱 액정 디스플레이 백라이트 유니트용 광확산 필름

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US6709143B2 (en) 2004-03-23
US6871994B2 (en) 2005-03-29
KR100453336B1 (ko) 2004-10-15
JP5054872B2 (ja) 2012-10-24
US20020114169A1 (en) 2002-08-22
CN1372148A (zh) 2002-10-02
CN1189765C (zh) 2005-02-16
JP2002323609A (ja) 2002-11-08
US20040047163A1 (en) 2004-03-11
TWI263821B (en) 2006-10-11

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