KR950015146U - Back light device for liquid crystal display - Google Patents

Back light device for liquid crystal display

Info

Publication number
KR950015146U
KR950015146U KR2019930022811U KR930022811U KR950015146U KR 950015146 U KR950015146 U KR 950015146U KR 2019930022811 U KR2019930022811 U KR 2019930022811U KR 930022811 U KR930022811 U KR 930022811U KR 950015146 U KR950015146 U KR 950015146U
Authority
KR
South Korea
Prior art keywords
liquid crystal
crystal display
back light
light device
display
Prior art date
Application number
KR2019930022811U
Other languages
Korean (ko)
Other versions
KR970001338Y1 (en
Inventor
장대철
Original Assignee
엘지전자 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 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to KR2019930022811U priority Critical patent/KR970001338Y1/en
Publication of KR950015146U publication Critical patent/KR950015146U/en
Application granted granted Critical
Publication of KR970001338Y1 publication Critical patent/KR970001338Y1/en

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
    • 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
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0031—Reflecting element, sheet or layer
    • 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
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
    • G02B6/0041—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided in the bulk of the light guide

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)
KR2019930022811U 1993-11-02 1993-11-02 Back light device for liquid crystal display KR970001338Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019930022811U KR970001338Y1 (en) 1993-11-02 1993-11-02 Back light device for liquid crystal display

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019930022811U KR970001338Y1 (en) 1993-11-02 1993-11-02 Back light device for liquid crystal display

Publications (2)

Publication Number Publication Date
KR950015146U true KR950015146U (en) 1995-06-17
KR970001338Y1 KR970001338Y1 (en) 1997-02-22

Family

ID=19366965

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019930022811U KR970001338Y1 (en) 1993-11-02 1993-11-02 Back light device for liquid crystal display

Country Status (1)

Country Link
KR (1) KR970001338Y1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR970075989A (en) * 1996-05-22 1997-12-10 김광호 Backlight for LCD

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100867701B1 (en) * 2007-10-10 2008-11-10 현대자동차주식회사 Audio apparatus for vehicles

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR970075989A (en) * 1996-05-22 1997-12-10 김광호 Backlight for LCD

Also Published As

Publication number Publication date
KR970001338Y1 (en) 1997-02-22

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Legal Events

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A201 Request for examination
E701 Decision to grant or registration of patent right
REGI Registration of establishment
FPAY Annual fee payment

Payment date: 20080131

Year of fee payment: 12

EXPY Expiration of term