JP5288414B2 - Ledバックライト装置及びこれを備えた液晶表示装置 - Google Patents
Ledバックライト装置及びこれを備えた液晶表示装置 Download PDFInfo
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- JP5288414B2 JP5288414B2 JP2010018106A JP2010018106A JP5288414B2 JP 5288414 B2 JP5288414 B2 JP 5288414B2 JP 2010018106 A JP2010018106 A JP 2010018106A JP 2010018106 A JP2010018106 A JP 2010018106A JP 5288414 B2 JP5288414 B2 JP 5288414B2
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
Classifications
-
- 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
-
- 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
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0086—Positioning aspects
- G02B6/0088—Positioning aspects of the light guide or other optical sheets in the package
-
- 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
-
- 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
- G02B6/0075—Arrangements of multiple light guides
- G02B6/0078—Side-by-side arrangements, e.g. for large area displays
-
- 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
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0086—Positioning aspects
- G02B6/009—Positioning aspects of the light source in the package
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Planar Illumination Modules (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Liquid Crystal (AREA)
Description
固定手段は、頭部と、頭部から延長される胴体部と、を含み、複数の導光板のうち隣接して配列された導光板と導光板の間で、胴体部が基板の貫通ホール及び下部カバーの締結部に挿入されて締結され、頭部が隣接する導光板の一側縁領域を圧迫して固定させることを特徴とする。
また、前記固定手段は、透明材質のねじ構造からなり、導光板と同材質で形成されることを特徴とする。
また、前記下部カバー上の締結部は、溝または貫通ホールであることを特徴とする。
また、前記下部カバーの締結部及び前記基板の貫通ホールは夫々長手方向の幅を有する締結部及び貫通ホールであり、前記長手方向の幅を有する下部カバーの締結部及び貫通ホールは互いに交差することを特徴とする。
また、前記貫通ホールは、基板上に実装されたLEDパッケージとLEDパッケージの間に形成され、LEDパッケージが提供する光の方向と垂直な方向に長軸を有することを特徴とする
また、前記締結部は、LEDパッケージが提供する光の方向と同じ方向に長軸を有することを特徴とする。
120、220 導光板
132、231 基板
131、232 LEDパッケージ
140、240 固定手段
Claims (16)
- 締結部が形成された下部カバーと、
前記下部カバー上に配列される複数の導光板と、
前記下部カバー上に備えられ、前記各導光板の一側に配置され、前記下部カバーの締結部に対面する貫通ホールが形成された基板と、
前記基板上に実装され、前記各導光板の前記一側に光を提供する多数のLEDパッケージと、
前記締結部及び貫通ホールに挿入され、前記複数の導光板を前記下部カバー上に圧着させる固定手段と、
を含み、
前記固定手段は、頭部と、前記頭部から延長される胴体部と、を含み、
前記複数の導光板のうち隣接して配列された導光板と導光板の間で、前記胴体部が前記基板の貫通ホール及び前記下部カバーの締結部に挿入されて締結され、前記頭部が前記隣接する導光板の一側縁領域を圧迫して固定させることを特徴とするLEDバックライト装置。 - 前記固定手段は、透明材質のねじ構造からなることを特徴とする請求項1に記載のLEDバックライト装置。
- 前記固定手段は、導光板と同材質で形成されることを特徴とする請求項1に記載のLEDバックライト装置。
- 前記下部カバー上の締結部は、溝または貫通ホールであることを特徴とする請求項1に記載のLEDバックライト装置。
- 前記下部カバーの締結部及び前記基板の貫通ホールは夫々長手方向の幅を有する締結部及び貫通ホールであり、
前記長手方向の幅を有する下部カバーの締結部及び基板の貫通ホールは互いに交差することを特徴とする請求項4に記載のLEDバックライト装置。 - 前記貫通ホールは、前記基板上に実装された前記LEDパッケージとLEDパッケージの間に形成されることを特徴とする請求項1に記載のLEDバックライト装置。
- 前記貫通ホールは、前記LEDパッケージが提供する光の方向と垂直な方向に長軸を有することを特徴とする請求項1から6のいずれか1項に記載のLEDバックライト装置。
- 前記締結部は、前記LEDパッケージが提供する前記光の方向と同じ方向に長軸を有することを特徴とする請求項1から7のいずれか1項に記載のLEDバックライト装置。
- 締結部が形成された下部カバーと、
前記下部カバー上に配列される複数の導光板と、
前記下部カバー上に備えられ、前記各導光板の一側に配置され、前記下部カバーの締結部に対面する貫通ホールが形成された基板と、
前記基板上に実装され、前記各導光板の前記一側に光を提供する多数のLEDパッケージと、
前記締結部及び貫通ホールに挿入され、前記複数の導光板を前記下部カバー上に圧着させる固定手段と、
前記複数の導光板の上側に配置され、前記LEDパッケージからの光の提供を受ける液晶パネルと、
を含み、
前記固定手段は、頭部と、前記頭部から延長された胴体部と、を含み、
前記複数の導光板のうち隣接して配列された導光板と導光板の間で、前記胴体部が前記基板の貫通ホール及び前記下部カバーの締結部に挿入されて締結され、前記頭部が前記隣接する導光板の一側縁領域を圧迫して固定させることを特徴とする液晶表示装置。 - 前記固定手段は、透明材質のねじ構造からなることを特徴とする請求項9に記載の液晶表示装置。
- 前記固定手段は、前記導光板と同材質で形成されることを特徴とする請求項9に記載の液晶表示装置。
- 前記下部カバー上の締結部は、溝または貫通ホールであることを特徴とする請求項9に記載の液晶表示装置。
- 前記下部カバーの締結部及び前記基板の貫通ホールは、夫々長手方向の幅を有する締結部及び貫通ホールであり、
前記長手方向の幅を有する下部カバーの締結部及び基板の貫通ホールは互いに交差することを特徴とする請求項12に記載の液晶表示装置。 - 前記貫通ホールは、前記基板上に実装された前記LEDパッケージとLEDパッケージの間に形成されることを特徴とする請求項9に記載の液晶表示装置。
- 前記貫通ホールは、前記LEDパッケージが提供する光の方向と垂直な方向に長軸を有することを特徴とする請求項9から14のいずれか1項に記載の液晶表示装置。
- 前記締結部は、前記LEDパッケージが提供する前記光の方向と同じ方向に長軸を有することを特徴とする請求項9から15のいずれか1項に記載の液晶表示装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020090007065A KR101521261B1 (ko) | 2009-01-29 | 2009-01-29 | Led 백라이트장치 및 이를 구비한 액정표시장치 |
KR10-2009-0007065 | 2009-01-29 |
Publications (2)
Publication Number | Publication Date |
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JP2010177191A JP2010177191A (ja) | 2010-08-12 |
JP5288414B2 true JP5288414B2 (ja) | 2013-09-11 |
Family
ID=41727989
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010018106A Active JP5288414B2 (ja) | 2009-01-29 | 2010-01-29 | Ledバックライト装置及びこれを備えた液晶表示装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8269913B2 (ja) |
EP (1) | EP2214038B1 (ja) |
JP (1) | JP5288414B2 (ja) |
KR (1) | KR101521261B1 (ja) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20100097515A (ko) * | 2009-02-26 | 2010-09-03 | 엘지디스플레이 주식회사 | 액정표시장치용 백라이트 유닛 |
KR20110068382A (ko) * | 2009-12-16 | 2011-06-22 | 삼성전자주식회사 | 백라이트유닛 및 이를 가지는 디스플레이장치 |
CN102456812B (zh) * | 2010-10-28 | 2015-08-12 | 展晶科技(深圳)有限公司 | 发光二极管封装结构 |
KR101279478B1 (ko) * | 2010-11-24 | 2013-06-27 | 엘지이노텍 주식회사 | 백라이트 유닛용 고정부재 및 이를 포함하는 백라이트 유닛 |
US20120249922A1 (en) * | 2011-03-31 | 2012-10-04 | Shenzhen China Star Optoelectronics New District | Liquid Crystal Display and Backlight Module Thereof |
KR101797669B1 (ko) * | 2011-05-31 | 2017-11-15 | 삼성전자주식회사 | 백라이트 장치 및 이를 포함하는 디스플레이 장치 |
KR20130011855A (ko) * | 2011-07-22 | 2013-01-30 | 삼성디스플레이 주식회사 | 백라이트 유닛 및 이를 구비하는 표시 장치 |
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KR101970554B1 (ko) * | 2012-05-24 | 2019-04-19 | 엘지디스플레이 주식회사 | 백 라이트 유닛 및 이를 이용한 액정 표시장치 |
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US20140085934A1 (en) * | 2012-09-24 | 2014-03-27 | Shenzhen China Star Optoelectronics Technology Co. Ltd. | Backlight module and lcd device |
KR101453051B1 (ko) * | 2013-02-27 | 2014-10-23 | 희성전자 주식회사 | 도광체 고정부재 및 이를 구비하는 백라이트 장치 |
US10962705B2 (en) * | 2015-01-31 | 2021-03-30 | Lg Chem, Ltd. | Color conversion film and back light unit and display apparatus comprising the same |
JP6250575B2 (ja) * | 2015-03-06 | 2017-12-20 | 富士フイルム株式会社 | バックライトユニットおよび画像表示装置 |
JP7545033B2 (ja) * | 2020-09-07 | 2024-09-04 | 日亜化学工業株式会社 | 面状光源 |
JP2022151253A (ja) * | 2021-03-26 | 2022-10-07 | オムロン株式会社 | 電飾装置および遊技機 |
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2009
- 2009-01-29 KR KR1020090007065A patent/KR101521261B1/ko active IP Right Grant
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2010
- 2010-01-28 EP EP10151980.9A patent/EP2214038B1/en active Active
- 2010-01-29 JP JP2010018106A patent/JP5288414B2/ja active Active
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JP2010177191A (ja) | 2010-08-12 |
KR20100087975A (ko) | 2010-08-06 |
EP2214038A1 (en) | 2010-08-04 |
KR101521261B1 (ko) | 2015-05-18 |
EP2214038B1 (en) | 2023-06-07 |
US20100188601A1 (en) | 2010-07-29 |
US8269913B2 (en) | 2012-09-18 |
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