GB2472160B - Backlight assembly - Google Patents

Backlight assembly

Info

Publication number
GB2472160B
GB2472160B GB1016707A GB201016707A GB2472160B GB 2472160 B GB2472160 B GB 2472160B GB 1016707 A GB1016707 A GB 1016707A GB 201016707 A GB201016707 A GB 201016707A GB 2472160 B GB2472160 B GB 2472160B
Authority
GB
United Kingdom
Prior art keywords
backlight assembly
backlight
assembly
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.)
Active
Application number
GB1016707A
Other versions
GB2472160A (en
GB201016707D0 (en
Inventor
Hanhee Kim
Wontaek Moon
Wook Jeon
Jaewon Shin
Junho Bae
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 Display 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
Priority claimed from KR1020070106636A external-priority patent/KR101294849B1/en
Application filed by LG Display Co Ltd filed Critical LG Display Co Ltd
Publication of GB201016707D0 publication Critical patent/GB201016707D0/en
Publication of GB2472160A publication Critical patent/GB2472160A/en
Application granted granted Critical
Publication of GB2472160B publication Critical patent/GB2472160B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G02B6/0013—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
    • 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
    • G02B6/0066—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 characterised by the light source being coupled to the light guide
    • G02B6/0073—Light emitting diode [LED]
    • 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
    • G02B6/0055—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
    • G02B6/0066—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 characterised by the light source being coupled to the light guide
    • G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Planar Illumination Modules (AREA)
GB1016707A 2007-10-23 2008-08-29 Backlight assembly Active GB2472160B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020070106636A KR101294849B1 (en) 2007-10-23 2007-10-23 Backlight assemlby
GB0815803A GB2454055B (en) 2007-10-23 2008-08-29 Backlight assembly

Publications (3)

Publication Number Publication Date
GB201016707D0 GB201016707D0 (en) 2010-11-17
GB2472160A GB2472160A (en) 2011-01-26
GB2472160B true GB2472160B (en) 2011-11-09

Family

ID=42335099

Family Applications (2)

Application Number Title Priority Date Filing Date
GB1016707A Active GB2472160B (en) 2007-10-23 2008-08-29 Backlight assembly
GB1006151A Active GB2467664B (en) 2007-10-23 2008-08-29 Backlight assembly

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB1006151A Active GB2467664B (en) 2007-10-23 2008-08-29 Backlight assembly

Country Status (1)

Country Link
GB (2) GB2472160B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105629577B (en) * 2016-03-31 2019-10-01 上海天马微电子有限公司 Backlight unit, display screen and display device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002109936A (en) * 2000-09-28 2002-04-12 Sanyo Electric Co Ltd Flat light source device and display device
GB2393845A (en) * 2002-09-26 2004-04-07 Lg Philips Lcd Co Ltd Backlight device of liquid crystal dispay device and method of fabricating the same
WO2006104319A1 (en) * 2005-03-31 2006-10-05 Seoul Semiconductor Co., Ltd. Backlight panel employing white light emitting diode having red phosphor and green phosphor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7473936B2 (en) * 2005-01-11 2009-01-06 Semileds Corporation Light emitting diodes (LEDs) with improved light extraction by roughening
KR100665219B1 (en) * 2005-07-14 2007-01-09 삼성전기주식회사 Wavelengt-converted light emitting diode package
US7309152B2 (en) * 2005-11-23 2007-12-18 Unity Opto Technology Co., Ltd. Light source structure of backlight module

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002109936A (en) * 2000-09-28 2002-04-12 Sanyo Electric Co Ltd Flat light source device and display device
GB2393845A (en) * 2002-09-26 2004-04-07 Lg Philips Lcd Co Ltd Backlight device of liquid crystal dispay device and method of fabricating the same
WO2006104319A1 (en) * 2005-03-31 2006-10-05 Seoul Semiconductor Co., Ltd. Backlight panel employing white light emitting diode having red phosphor and green phosphor

Also Published As

Publication number Publication date
GB2472160A (en) 2011-01-26
GB2467664B (en) 2011-06-15
GB2467664A (en) 2010-08-11
GB201006151D0 (en) 2010-05-26
GB201016707D0 (en) 2010-11-17

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