JP6240773B2 - 光源装置及び表示装置 - Google Patents
光源装置及び表示装置 Download PDFInfo
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- JP6240773B2 JP6240773B2 JP2016532807A JP2016532807A JP6240773B2 JP 6240773 B2 JP6240773 B2 JP 6240773B2 JP 2016532807 A JP2016532807 A JP 2016532807A JP 2016532807 A JP2016532807 A JP 2016532807A JP 6240773 B2 JP6240773 B2 JP 6240773B2
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- 239000000758 substrate Substances 0.000 claims description 41
- 238000009792 diffusion process Methods 0.000 claims description 17
- 230000002093 peripheral effect Effects 0.000 claims description 11
- 239000004973 liquid crystal related substance Substances 0.000 description 8
- 229920003002 synthetic resin Polymers 0.000 description 6
- 239000000057 synthetic resin Substances 0.000 description 6
- 238000002310 reflectometry Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 4
- 238000005286 illumination Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Images
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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133605—Direct backlight including specially adapted reflectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
- F21V13/02—Combinations of only two kinds of elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V3/00—Globes; Bowls; Cover glasses
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
- F21V7/05—Optical design plane
-
- 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
-
- 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
- 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
- G02F1/133611—Direct backlight including means for improving the brightness uniformity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [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
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
- G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
-
- 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
- G02F1/133608—Direct backlight including particular frames or supporting means
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
Description
図1は本発明の実施の形態1に係るテレビジョン受像機の概略構成を示す分解斜視図であり、図2は本発明の実施の形態1に係るテレビジョン受像機の要部構成を示す分解斜視図である。図中符号100はテレビジョン受像機を示す。
本発明の実施の形態2に係るテレビジョン受像機100は、本発明の実施の形態1と略同様の構成を有するが、反射シート4の構成において相違する。以下、詳しく説明する。図7は本発明の実施の形態2に係るテレビジョン受像機100において、反射シート4を部分的に示す概略図である。図7では、貫通孔41とレンズ3との位置関係を表すため、レンズ3を破線にて示している。
本発明の実施の形態3に係るテレビジョン受像機100は、本発明の実施の形態1と略同様の構成を有するが、反射シート4の構成において相違する。以下、詳しく説明する。図8は本発明の実施の形態3に係るテレビジョン受像機100において、反射シート4を部分的に示す概略図である。
1.長孔方向:レンズ3の直径<貫通孔41Aの長径≦従来技術の貫通孔の直径
2.短孔方向:貫通孔41Aの短径<レンズ3の直径<従来技術の貫通孔の直径
本発明の実施の形態4に係るテレビジョン受像機100は、本発明の実施の形態3と略同様の構成を有するが、反射シート4の構成において相違する。以下、詳しく説明する。図9は本発明の実施の形態4に係るテレビジョン受像機100において、反射シート4を部分的に示す概略図である。図9では、貫通孔41Aとレンズ3との位置関係を表すため、レンズ3を破線にて示している。
本発明の実施の形態5に係るテレビジョン受像機100は、本発明の実施の形態1と略同様の構成を有するが、反射シート4の構成において相違する。以下、詳しく説明する。図10は本発明の実施の形態5に係るテレビジョン受像機100において、反射シート4を部分的に示す概略図である。
一般に、バックライトシャーシ6は、他面(背面)全面を保持されるのではなく、周縁部等その一部がブロック等にて保持される形で組み立てが実施される。従って、バックライトシャーシ6の他面側に所定の装置を設置することが可能である。また、バックライトシャーシ6には、一般に複数の貫通孔が形成されている。
2 基板
2a 一面
3 レンズ
4 反射シート
41,41A 貫通孔
42,42A 切れ目
43 折り目
70 表示部
100 テレビジョン受像機
A 光源装置
Claims (6)
- 基板の一面に実装された発光素子と、前記一面上に設けられ、該発光素子からの光を反射する反射シートとを備える光源装置において、
前記発光素子の出光面側に設けられ、該発光素子からの光を拡散させる拡散部を備え、
前記反射シートは、対向縁間の寸法が前記一面に対する垂直方向に沿って見た前記拡散部の大きさ以下である部分を含む貫通孔を有し、
前記一面に対する垂直方向に沿って見た前記貫通孔は前記拡散部と整合する位置に設けられており、
前記貫通孔の周縁部に切れ目が形成されており、
前記切れ目は、前記貫通孔の縁から離れて前記貫通孔から放射方向に複数形成されていることを特徴とする光源装置。 - 前記貫通孔は円形または楕円形であることを特徴とする請求項1に記載の光源装置。
- 前記貫通孔が楕円形である場合、前記貫通孔は、前記一面に対する垂直方向に沿って見た前記拡散部の外縁の最大寸法より、長径の寸法が大きく、短径の寸法が小さいことを特徴とする請求項2に記載の光源装置。
- 前記切れ目は、前記貫通孔に対して対称的に配置されていることを特徴とする請求項1〜3のいずれか一項に記載の光源装置。
- 前記貫通孔の周縁部に、該貫通孔の縁に沿って折り目を形成してあることを特徴とする請求項1〜4のいずれか一項に記載の光源装置。
- 請求項1〜5のいずれか一項に記載の光源装置と、
該光源装置からの光を用いて画像表示を行う表示パネルと
を備えることを特徴とする表示装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2014/068058 WO2016006025A1 (ja) | 2014-07-07 | 2014-07-07 | 光源装置及び表示装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2016006025A1 JPWO2016006025A1 (ja) | 2017-04-27 |
JP6240773B2 true JP6240773B2 (ja) | 2017-11-29 |
Family
ID=55063702
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016532807A Expired - Fee Related JP6240773B2 (ja) | 2014-07-07 | 2014-07-07 | 光源装置及び表示装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US9904104B2 (ja) |
JP (1) | JP6240773B2 (ja) |
CN (1) | CN106233195A (ja) |
WO (1) | WO2016006025A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016068590A1 (en) * | 2014-10-31 | 2016-05-06 | Lg Electronics Inc. | Backlight unit and display device including backlight unit |
JP2017146333A (ja) * | 2016-02-15 | 2017-08-24 | 船井電機株式会社 | 表示装置 |
JP7467854B2 (ja) | 2019-09-26 | 2024-04-16 | 船井電機株式会社 | 照明装置および表示装置 |
KR20210133552A (ko) * | 2020-04-29 | 2021-11-08 | 엘지디스플레이 주식회사 | 백라이트 유닛 및 디스플레이 장치 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4613254B2 (ja) * | 2009-05-20 | 2011-01-12 | シャープ株式会社 | 光源装置及びこれを備える表示装置 |
JP4621799B1 (ja) * | 2009-05-22 | 2011-01-26 | シャープ株式会社 | 光反射シート、光源装置及び表示装置 |
CN102428317B (zh) * | 2009-05-22 | 2015-07-22 | 夏普株式会社 | 光源装置及显示装置 |
US8797475B2 (en) * | 2009-06-15 | 2014-08-05 | Sharp Kabushiki Kaisha | Lighting device, display device and television receiver |
US8830422B2 (en) * | 2010-01-26 | 2014-09-09 | Sharp Kabushiki Kaisha | Edge-light illuminating device, and liquid crystal display device |
WO2011142145A1 (ja) * | 2010-05-10 | 2011-11-17 | シャープ株式会社 | 光源および光源装置ならびに表示装置 |
JP5331245B2 (ja) | 2010-06-02 | 2013-10-30 | シャープ株式会社 | 照明装置、表示装置及びテレビ受信装置 |
JP2013118055A (ja) * | 2011-12-01 | 2013-06-13 | Sharp Corp | 照明装置、表示装置、及びテレビ受信装置 |
JP2013118117A (ja) * | 2011-12-05 | 2013-06-13 | Sharp Corp | 照明装置、表示装置、及びテレビ受信装置 |
CN203349065U (zh) * | 2013-06-17 | 2013-12-18 | 南京中电熊猫液晶显示科技有限公司 | 一种直下式led背光模组 |
CN203404682U (zh) * | 2013-08-27 | 2014-01-22 | 深圳Tcl新技术有限公司 | 背光模组和液晶显示装置 |
TWI640819B (zh) * | 2014-07-21 | 2018-11-11 | 達運精密工業股份有限公司 | 背光模組 |
-
2014
- 2014-07-07 JP JP2016532807A patent/JP6240773B2/ja not_active Expired - Fee Related
- 2014-07-07 US US15/300,462 patent/US9904104B2/en active Active
- 2014-07-07 WO PCT/JP2014/068058 patent/WO2016006025A1/ja active Application Filing
- 2014-07-07 CN CN201480078251.XA patent/CN106233195A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
CN106233195A (zh) | 2016-12-14 |
US9904104B2 (en) | 2018-02-27 |
JPWO2016006025A1 (ja) | 2017-04-27 |
WO2016006025A1 (ja) | 2016-01-14 |
US20170153500A1 (en) | 2017-06-01 |
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