JP2017112094A - ディスプレイ装置を照明するための光導体 - Google Patents
ディスプレイ装置を照明するための光導体 Download PDFInfo
- Publication number
- JP2017112094A JP2017112094A JP2016181381A JP2016181381A JP2017112094A JP 2017112094 A JP2017112094 A JP 2017112094A JP 2016181381 A JP2016181381 A JP 2016181381A JP 2016181381 A JP2016181381 A JP 2016181381A JP 2017112094 A JP2017112094 A JP 2017112094A
- Authority
- JP
- Japan
- Prior art keywords
- light guide
- light
- central portion
- light source
- guide body
- 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.)
- Granted
Links
- 230000002093 peripheral effect Effects 0.000 claims abstract description 31
- 238000000605 extraction Methods 0.000 claims abstract description 12
- 239000012780 transparent material Substances 0.000 claims abstract description 4
- 239000011358 absorbing material Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 abstract description 7
- 230000031700 light absorption Effects 0.000 abstract 1
- 239000004973 liquid crystal related substance Substances 0.000 description 10
- 230000003287 optical effect Effects 0.000 description 4
- 230000002745 absorbent Effects 0.000 description 3
- 239000002250 absorbent Substances 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000002390 adhesive tape Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
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- 239000011343 solid material Substances 0.000 description 2
- 238000000151 deposition Methods 0.000 description 1
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- 125000001475 halogen functional group Chemical group 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000007591 painting process Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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- 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
-
- 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
- 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
-
- 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
- G02B6/0053—Prismatic sheet or layer; Brightness enhancement 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
- G02B6/005—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
- G02B6/0081—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
-
- 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
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
-
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G17/00—Structural details; Housings
- G04G17/02—Component assemblies
- G04G17/04—Mounting of electronic components
- G04G17/045—Mounting of the display
-
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G9/00—Visual time or date indication means
- G04G9/0082—Visual time or date indication means by building-up characters using a combination of indicating elements and by selecting desired characters out of a number of characters or by selecting indicating elements the positions of which represents the time, i.e. combinations of G04G9/02 and G04G9/08
- G04G9/0094—Visual time or date indication means by building-up characters using a combination of indicating elements and by selecting desired characters out of a number of characters or by selecting indicating elements the positions of which represents the time, i.e. combinations of G04G9/02 and G04G9/08 using light valves, e.g. liquid crystals
-
- 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]
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Planar Illumination Modules (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
Description
2 上面
4 底面
6 横側縁
8 穴
10 スタッド
12 プリント基板シート
14 点光源
16 光学プリズム
18 周辺表面
20 利用可能表面
22 層
24 光導体
26 透明な中央部分
28 不透明な周辺部分
30 上面
32 底面
34 横側縁
36 光抽出器
38 光源
40 反射層
42 膜
44 接着テープ部品
46 穴
48 スタッド
50 プリント基板シート
52 外側縁
54 支持部品
56 固定スタッド
58 穴
60 接点ばね
62 接触パッド
64 空洞
Claims (6)
- 光源(38)によって生成される光が入射する光導体であって、前記光源(38)は前記光導体(24)に光学的に結合され、前記光導体(24)は第1の中央部分(26)と第2の周辺部分(28)とを含み、前記第1の中央部分(26)は透明な素材からなり、内部に光抽出部(36)が構築され、前記第1の中央部分(26)を介して前記光源(38)によって生成される光が前記光導体によって抽出され、前記第2の周辺部分(28)は光吸収素材からなり、前記中央部分(26)を囲み、前記周辺部分(28)は前記中央部分(26)と一体化される、光導体。
- 請求項1に記載の光導体であって、前記光導体(24)の前記中央部分(26)は、互いに一定の距離をおいて延在する上面(30)と下面(32)とを含み、前記上面(30)および下面(32)は互いに横側縁(34)によって接続され、光抽出部(36)は前記上面(30)または下面(32)のうち少なくとも1つに構築されることを特徴とする、光導体。
- 請求項1または2に記載の光導体であって、前記光導体(24)の前記周辺部分(28)は、前記光導体(24)の前記中央部分(26)を受容する空洞(64)を画定することを特徴とする、光導体。
- 請求項1〜3のいずれか一つに記載の光導体であって、前記光導体(24)の前記中央部分(26)の前記表面は、前記光源(38)によって生成される前記光が出る前記光導体(24)の前記中央部分(26)の前記表面に対向し、反射層(40)を備えることを特徴とする、光導体。
- 請求項1〜4のいずれか一つに記載の光導体であって、前記周辺部分(28)は、前記光導体(24)を支持部品上に取り付けるための1つ以上の穴(46)と、前記光源(38)の支持として機能するプリント基板シート(44)を固定するための少なくとも1つのスタッド(42)を含むことを特徴とする、光導体。
- 請求項1〜4のいずれか一つに記載の光導体であって、前記光導体(24)の前記周辺部分(28)は外側縁(52)を含み、前記外側縁(52)を介して前記光導体(24)は支持部品(54)に固定され、前記支持部品(54)は少なくとも1つの熱で変形する固定スタッド(56)を備え、前記光導体(24)をその前記周辺部分(28)の前記外側縁(52)を介して前記支持部品に対して保持することを特徴とする、光導体。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP15199765.7 | 2015-12-14 | ||
EP15199765.7A EP3181998A1 (fr) | 2015-12-14 | 2015-12-14 | Guide de lumiere pour l'eclairage d'un dispositif d'affichage |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017112094A true JP2017112094A (ja) | 2017-06-22 |
JP6499627B2 JP6499627B2 (ja) | 2019-04-10 |
Family
ID=54849816
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016181381A Active JP6499627B2 (ja) | 2015-12-14 | 2016-09-16 | ディスプレイ装置を照明するための光導体 |
Country Status (4)
Country | Link |
---|---|
US (1) | US10495809B2 (ja) |
EP (1) | EP3181998A1 (ja) |
JP (1) | JP6499627B2 (ja) |
CN (1) | CN106932852B (ja) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001156337A (ja) * | 1999-11-25 | 2001-06-08 | Kyushu Hitachi Maxell Ltd | 小形電気機器用の導光体 |
JP2005233961A (ja) * | 2004-02-20 | 2005-09-02 | Eta Sa Manufacture Horlogere Suisse | 携帯式物体の情報表示要素のためのバックライト装置 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3543910B2 (ja) * | 1996-10-11 | 2004-07-21 | 株式会社エンプラス | サイドライト型面光源装置及び表示装置 |
JP2004095390A (ja) * | 2002-08-30 | 2004-03-25 | Fujitsu Display Technologies Corp | 照明装置及び表示装置 |
US8113695B2 (en) * | 2005-02-04 | 2012-02-14 | Adac Plastics, Inc. | Trim component with concealed indicium |
CN1869738A (zh) * | 2005-05-24 | 2006-11-29 | 鸿富锦精密工业(深圳)有限公司 | 导光元件和其制备方法,以及其背光模组 |
WO2011104972A1 (ja) * | 2010-02-25 | 2011-09-01 | シャープ株式会社 | 光源装置、表示装置 |
CN102062972A (zh) * | 2010-11-12 | 2011-05-18 | 友达光电股份有限公司 | 平面显示结构及其制造方法 |
DE102011013206A1 (de) * | 2011-03-05 | 2012-09-06 | Diehl Aerospace Gmbh | Flächenleuchte, insbesondere für Flugzugkabinen |
EP2714469A1 (de) * | 2011-05-24 | 2014-04-09 | Johnson Controls Interiors GmbH & Co. KG | Beleuchtungsvorrichtung für einen fahrzeuginnenraum |
CN102829406A (zh) * | 2011-06-14 | 2012-12-19 | 海洋王照明科技股份有限公司 | 灯具及其导光板 |
EP2546684A1 (fr) * | 2011-07-15 | 2013-01-16 | ETA SA Manufacture Horlogère Suisse | Guide de lumière pour l'éclairage d'un dispositif d'affichage d'informations |
US8789995B2 (en) * | 2012-01-06 | 2014-07-29 | Qualcomm Mems Technologies, Inc. | Light guide with at least partially non-transmissive coating on ledge region |
JP5396498B2 (ja) * | 2012-03-02 | 2014-01-22 | 株式会社エス・ケー・ジー | 発光装置 |
JP2015044474A (ja) * | 2013-08-28 | 2015-03-12 | 東芝ライテック株式会社 | 照明装置 |
CN104111492B (zh) * | 2014-05-16 | 2016-09-28 | 京东方光科技有限公司 | 导光板成型模具及制作方法 |
-
2015
- 2015-12-14 EP EP15199765.7A patent/EP3181998A1/fr active Pending
-
2016
- 2016-09-16 JP JP2016181381A patent/JP6499627B2/ja active Active
- 2016-09-26 US US15/275,780 patent/US10495809B2/en active Active
- 2016-10-14 CN CN201610898832.9A patent/CN106932852B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001156337A (ja) * | 1999-11-25 | 2001-06-08 | Kyushu Hitachi Maxell Ltd | 小形電気機器用の導光体 |
JP2005233961A (ja) * | 2004-02-20 | 2005-09-02 | Eta Sa Manufacture Horlogere Suisse | 携帯式物体の情報表示要素のためのバックライト装置 |
Also Published As
Publication number | Publication date |
---|---|
CN106932852A (zh) | 2017-07-07 |
JP6499627B2 (ja) | 2019-04-10 |
US10495809B2 (en) | 2019-12-03 |
US20170168229A1 (en) | 2017-06-15 |
CN106932852B (zh) | 2019-12-27 |
EP3181998A1 (fr) | 2017-06-21 |
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