JP5864139B2 - バックライトユニット及びそれを含む表示装置 - Google Patents
バックライトユニット及びそれを含む表示装置 Download PDFInfo
- Publication number
- JP5864139B2 JP5864139B2 JP2011132979A JP2011132979A JP5864139B2 JP 5864139 B2 JP5864139 B2 JP 5864139B2 JP 2011132979 A JP2011132979 A JP 2011132979A JP 2011132979 A JP2011132979 A JP 2011132979A JP 5864139 B2 JP5864139 B2 JP 5864139B2
- Authority
- JP
- Japan
- Prior art keywords
- light emitting
- guide plate
- light guide
- display device
- light
- 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 - Fee Related
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
- G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/002—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
- G02B6/0021—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces for housing at least a part of the light source, e.g. by forming holes or recesses
-
- 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
-
- 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
- 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
- G02F1/133603—Direct backlight with LEDs
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Mathematical Physics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
Claims (10)
- 底面及び側壁を有する底部フレームと、
前記底部フレームの前記底面の上に配置され、複数の溝部を有する一体型導光板と、
前記底部フレームの前記底面の上に配置された複数の反射シートと、
モジュールボード及び複数の発光ダイオードを含み前記底部フレームの底面の上に配置された複数の発光モジュールと、
前記複数の反射シートと前記底部フレームとの間に配置された接着シートと、を含み、
前記複数の溝部は傾斜した上面と垂直側面を含み、
前記複数の反射シートは、前記複数の溝部の前記傾斜した上面の下に配置され、
前記複数の発光モジュールは、前記複数の溝部の前記傾斜した上面の下に配置され、
前記複数の溝部のそれぞれは、前記底部フレームの前記底面の上に第1方向に延長され、
前記複数の反射シートのそれぞれは、前記底部フレームの前記底面の上に前記第1方向に延長され、
前記複数の発光モジュールのそれぞれは、前記底部フレームの前記底面の上に前記第1方向に延長され、
前記複数の反射シート及び前記複数の発光モジュールは、前記底部フレームの前記底面の上に前記第1方向に交互に延長され、
前記複数の反射シートは、前記複数の発光モジュールの間に配置され、
前記接着シートは、前記発光モジュールをなすモジュールボードの所定領域上から延長され、前記モジュールボードの側面及び前記モジュールボードと隣接する反射シートの下部に配置され、
前記接着シートは、前記モジュールボードの所定領域と前記導光板の下部面を接着させ、
前記接着シートは、光を反射する表示装置。 - 前記複数の発光ダイオードは前記溝部に収容され、前記複数の発光ダイオードから発光される光は、前記溝部の側面に入射する請求項1に記載の表示装置。
- 前記底部フレームの前記底面に形成された複数の基板溝を含み、
前記それぞれのモジュールボードは、前記対応する複数の基板溝にそれぞれ配置された請求項1または2に記載の表示装置。 - 前記反射シートの一部領域は、前記モジュールボードの上に配置された請求項1〜3のいずれか一項に記載の表示装置。
- 前記複数の溝部は、前記一体型導光板の底面に形成され、前記導光板と前記底部フレームとの間に提供される請求項1〜4のいずれか一項に記載の表示装置。
- 前記複数の溝部のそれぞれは、対応する前記モジュールボードを収容するために垂直方向に形成された階段構造を有する請求項1〜5のいずれか一項に記載の表示装置。
- 前記一体型導光板の溝部は、
前記複数の前記発光ダイオードを収容するようにブロック型に形成されている請求項1〜6のいずれか一項に記載の表示装置。 - 前記一体型導光板の溝部は、
前記複数の発光ダイオードでそれぞれの発光ダイオードを孤立させて収容するようにドット型に形成されている請求項1〜6のいずれか一項に記載の表示装置。 - 前記基板溝は、前記モジュールボードの厚さより低い高さを有する請求項3に記載の表示装置。
- 前記一体型導光板の上に配置される表示パネルを含む請求項1〜9のいずれか一項に記載の表示装置。
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020100056789A KR101637592B1 (ko) | 2010-06-15 | 2010-06-15 | 백라이트 유닛 및 이를 포함하는 표시 장치 |
KR10-2010-0056789 | 2010-06-15 | ||
KR1020100056791A KR20110136651A (ko) | 2010-06-15 | 2010-06-15 | 백라이트 유닛 및 이를 포함하는 표시 장치 |
KR10-2010-0056791 | 2010-06-15 | ||
KR1020100059402A KR20110139364A (ko) | 2010-06-23 | 2010-06-23 | 백라이트 유닛 및 이를 포함하는 표시 장치 |
KR1020100059403A KR101693857B1 (ko) | 2010-06-23 | 2010-06-23 | 백라이트 유닛 및 이를 포함하는 표시 장치 |
KR10-2010-0059402 | 2010-06-23 | ||
KR10-2010-0059403 | 2010-06-23 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2012003263A JP2012003263A (ja) | 2012-01-05 |
JP2012003263A5 JP2012003263A5 (ja) | 2014-07-10 |
JP5864139B2 true JP5864139B2 (ja) | 2016-02-17 |
Family
ID=44541901
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011132979A Expired - Fee Related JP5864139B2 (ja) | 2010-06-15 | 2011-06-15 | バックライトユニット及びそれを含む表示装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8646932B2 (ja) |
EP (1) | EP2397878B1 (ja) |
JP (1) | JP5864139B2 (ja) |
CN (1) | CN102313204B (ja) |
TW (1) | TWI529459B (ja) |
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-
2011
- 2011-06-14 US US13/159,701 patent/US8646932B2/en active Active
- 2011-06-14 TW TW100120664A patent/TWI529459B/zh active
- 2011-06-15 CN CN201110169979.1A patent/CN102313204B/zh not_active Expired - Fee Related
- 2011-06-15 JP JP2011132979A patent/JP5864139B2/ja not_active Expired - Fee Related
- 2011-06-15 EP EP11170010.0A patent/EP2397878B1/en not_active Not-in-force
Also Published As
Publication number | Publication date |
---|---|
US20110305003A1 (en) | 2011-12-15 |
JP2012003263A (ja) | 2012-01-05 |
US8646932B2 (en) | 2014-02-11 |
TW201211643A (en) | 2012-03-16 |
EP2397878A1 (en) | 2011-12-21 |
EP2397878B1 (en) | 2016-06-08 |
CN102313204B (zh) | 2015-07-08 |
TWI529459B (zh) | 2016-04-11 |
CN102313204A (zh) | 2012-01-11 |
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