JP6315179B2 - 面発光装置及び液晶表示装置 - Google Patents
面発光装置及び液晶表示装置 Download PDFInfo
- Publication number
- JP6315179B2 JP6315179B2 JP2014052915A JP2014052915A JP6315179B2 JP 6315179 B2 JP6315179 B2 JP 6315179B2 JP 2014052915 A JP2014052915 A JP 2014052915A JP 2014052915 A JP2014052915 A JP 2014052915A JP 6315179 B2 JP6315179 B2 JP 6315179B2
- Authority
- JP
- Japan
- Prior art keywords
- light source
- led light
- luminance
- point light
- hole
- 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
Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims description 32
- 238000009792 diffusion process Methods 0.000 claims description 25
- 239000003086 colorant Substances 0.000 claims description 12
- 238000002834 transmittance Methods 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 2
- 238000009826 distribution Methods 0.000 description 20
- 238000000034 method Methods 0.000 description 11
- 239000000463 material Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000002093 peripheral effect Effects 0.000 description 7
- 230000003993 interaction Effects 0.000 description 6
- -1 polyethylene terephthalate Polymers 0.000 description 6
- 238000005286 illumination Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- 229920000139 polyethylene terephthalate Polymers 0.000 description 5
- 239000005020 polyethylene terephthalate Substances 0.000 description 5
- 230000005855 radiation Effects 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000002861 polymer material Substances 0.000 description 3
- 239000012780 transparent material Substances 0.000 description 3
- 239000004793 Polystyrene Substances 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 238000004040 coloring Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 229920006324 polyoxymethylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 229930040373 Paraformaldehyde Natural products 0.000 description 1
- 229930182556 Polyacetal Natural products 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000003522 acrylic cement Substances 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229920006026 co-polymeric resin Polymers 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000001579 optical reflectometry Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001955 polyphenylene ether Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920005990 polystyrene resin Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000004043 responsiveness Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 1
- 238000004383 yellowing Methods 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
-
- 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
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)
- Planar Illumination Modules (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Spectroscopy & Molecular Physics (AREA)
Description
1a R(Red)−LED
1b G(Green)−LED
1c B(Blue)−LED
2 底面反射板
3 第1の拡散部材
4 光学シート類
5 支持ピン
6 透過性反射板
6a 貫通孔
7 第2の拡散部材
8 バックライト筐体
9 液晶パネル
10 透過性反射板(特許文献1)
10a 貫通孔(特許文献1)
20 非透過性反射板(特許文献2)
20a 貫通孔(特許文献2)
Claims (7)
- 筐体と、
前記筐体の底面に配置される複数の点光源と、
前記点光源の光出射側に、前記点光源から離れて配置される第1の拡散部材と、を少なくとも備える面光源装置において、
前記点光源と前記第1の拡散部材との間に、光透過性を有する反射板と、前記反射板の前記点光源側又は前記第1の拡散部材側に隣接して配置される第2の拡散部材と、を備え、
前記点光源は、格子点に配置されており、
前記点光源の配置間隔は、前記筐体の長手方向で一定であり、前記筐体の短手方向で一定かつ前記長手方向とは異なり、
前記反射板は、各々の前記点光源に対応する領域において、前記点光源の直上及び前記直上の周囲に、前記直上から離れるに従って開口面積が大きくなる貫通孔が形成されており、
前記反射板の、隣り合う前記点光源の中間に対応する部分に、前記貫通孔の開口面積が一定となる領域を有し、
前記貫通孔の開口面積が一定となる領域は、各々の格子点を囲む矩形状に形成されており、前記筐体の長手方向と短手方向とで異なる幅を有する
ことを特徴とする面光源装置。 - 前記配置間隔が短い方向における前記領域の幅は、前記配置間隔が長い方向における前記領域の幅よりも狭い
ことを特徴とする請求項1に記載の面光源装置。 - 各々の前記点光源は、白色のLEDからなる、
ことを特徴とする請求項1又は2に記載の面光源装置。 - 各々の前記点光源は、複数色のLEDで構成されるクラスタからなり、
前記複数色のLEDのいずれかの直上、若しくは、前記クラスタの重心位置の直上に、前記貫通孔が形成されている、
ことを特徴とする請求項1又は2に記載の面光源装置。 - 各々の前記点光源は、RGB3色のLEDを一列又は三角形の各頂点に配置した構造である、
ことを特徴とする請求項4に記載の面光源装置。 - 各々の前記点光源は、一列に配置したRGB3色のLEDの両側に白色のLEDを配置した構造である、
ことを特徴とする請求項4に記載の面光源装置。 - 請求項1乃至6のいずれか一に記載の面光源装置と、前記面光源装置の発光面側に配置した液晶パネルと、を備える液晶表示装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014052915A JP6315179B2 (ja) | 2014-03-17 | 2014-03-17 | 面発光装置及び液晶表示装置 |
CN201510106950.7A CN104930399B (zh) | 2014-03-17 | 2015-03-11 | 面发光装置及液晶显示装置 |
US14/657,460 US20150261042A1 (en) | 2014-03-17 | 2015-03-13 | Surface light-emitting device and liquid crystal display apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014052915A JP6315179B2 (ja) | 2014-03-17 | 2014-03-17 | 面発光装置及び液晶表示装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015176780A JP2015176780A (ja) | 2015-10-05 |
JP6315179B2 true JP6315179B2 (ja) | 2018-04-25 |
Family
ID=54068696
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014052915A Active JP6315179B2 (ja) | 2014-03-17 | 2014-03-17 | 面発光装置及び液晶表示装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20150261042A1 (ja) |
JP (1) | JP6315179B2 (ja) |
CN (1) | CN104930399B (ja) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107564422B (zh) * | 2016-06-30 | 2020-02-07 | 群创光电股份有限公司 | 发光二极管显示装置 |
US20190258115A1 (en) * | 2016-10-26 | 2019-08-22 | Sharp Kabushiki Kaisha | Lighting device and display device |
US10411344B2 (en) | 2016-10-27 | 2019-09-10 | Kymeta Corporation | Method and apparatus for monitoring and compensating for environmental and other conditions affecting radio frequency liquid crystal |
JP6845562B2 (ja) * | 2016-12-26 | 2021-03-17 | 中央精機株式会社 | 照明システム |
US10914985B2 (en) | 2017-02-09 | 2021-02-09 | Panasonic Intellectual Property Management Co., Ltd. | Image display apparatus and support pin |
US10620476B2 (en) | 2017-02-09 | 2020-04-14 | Panasonic Intellectual Property Management Co., Ltd. | Image display apparatus |
WO2018147271A1 (ja) | 2017-02-09 | 2018-08-16 | パナソニックIpマネジメント株式会社 | 画像表示装置及びサポートピン |
JP6945148B2 (ja) * | 2017-02-09 | 2021-10-06 | パナソニックIpマネジメント株式会社 | 画像表示装置及びサポートピン |
WO2018147272A1 (ja) | 2017-02-09 | 2018-08-16 | パナソニックIpマネジメント株式会社 | 画像表示装置及びサポートピン |
EP3581998B1 (en) * | 2017-02-09 | 2022-01-19 | Panasonic Intellectual Property Management Co., Ltd. | Image display apparatus |
CN115963661A (zh) * | 2017-10-24 | 2023-04-14 | 华为技术有限公司 | 背光模组、显示屏及终端 |
JP2019129066A (ja) * | 2018-01-24 | 2019-08-01 | シャープ株式会社 | 照明装置及び表示装置 |
JP2019153436A (ja) * | 2018-03-01 | 2019-09-12 | シャープ株式会社 | 照明装置および表示装置 |
JP7091802B2 (ja) * | 2018-04-17 | 2022-06-28 | セイコーエプソン株式会社 | プロジェクター |
US11175533B2 (en) * | 2018-05-03 | 2021-11-16 | 3M Innovative Properties Company | Light redirecting film, backlight, and display system |
CN109300887B (zh) * | 2018-09-30 | 2024-03-01 | 武汉华星光电技术有限公司 | 背光装置及其制造方法 |
TWI686651B (zh) * | 2018-11-23 | 2020-03-01 | 友達光電股份有限公司 | 背光模組 |
JP7275428B2 (ja) * | 2019-03-08 | 2023-05-18 | 船井電機・ホールディングス株式会社 | バックライト装置及び液晶表示装置 |
CN110441957B (zh) * | 2019-06-10 | 2021-06-11 | 惠科股份有限公司 | 一种显示模组和显示装置 |
JP2021180066A (ja) * | 2020-05-11 | 2021-11-18 | 船井電機株式会社 | 面光源装置、表示装置および光学シートの製造方法 |
US11221518B2 (en) * | 2020-05-20 | 2022-01-11 | Tcl China Star Optoelectronics Technology Co., Ltd. | Backlight module and display panel |
CN114578614A (zh) * | 2020-11-30 | 2022-06-03 | 华为技术有限公司 | 一种背光模组及显示屏 |
CN112987404A (zh) * | 2021-03-12 | 2021-06-18 | 深圳康佳电子科技有限公司 | 一种背光模组 |
JP2023005241A (ja) * | 2021-06-28 | 2023-01-18 | 船井電機株式会社 | 表示装置およびバックライト装置 |
CN114566092B (zh) * | 2022-03-10 | 2024-03-08 | 武汉华星光电技术有限公司 | 背光模组及显示装置 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4701334B2 (ja) * | 2006-01-27 | 2011-06-15 | 株式会社オプトデザイン | 面照明光源装置及びこれを用いた面照明装置 |
US8287149B2 (en) * | 2006-04-19 | 2012-10-16 | Sharp Kabushiki Kaisha | Illuminating device and liquid crystal display comprising same |
US20090267879A1 (en) * | 2006-10-27 | 2009-10-29 | Sharp Kabushiki Kaisha | Liquid crystal display device |
JP4764962B2 (ja) * | 2007-06-22 | 2011-09-07 | 株式会社オプトデザイン | 面照明光源装置及び面照明装置 |
WO2009063803A1 (ja) * | 2007-11-13 | 2009-05-22 | Mitsumi Electric Co., Ltd. | バックライト装置及びこれを用いた液晶表示装置 |
JP5113573B2 (ja) * | 2008-03-24 | 2013-01-09 | パナソニック株式会社 | Led照明装置 |
JP2009265616A (ja) * | 2008-03-31 | 2009-11-12 | Toppan Printing Co Ltd | 光学シート、バックライト装置及びディスプレイ装置 |
JP4461198B1 (ja) * | 2009-04-27 | 2010-05-12 | 株式会社東芝 | 面状照明装置およびこれを備えた液晶表示装置 |
JP5203508B2 (ja) * | 2009-05-15 | 2013-06-05 | 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 |
JP5540610B2 (ja) * | 2009-09-03 | 2014-07-02 | 株式会社Jvcケンウッド | 光量制御部材、面光源装置及び表示装置 |
CN102612622B (zh) * | 2009-11-16 | 2015-06-10 | Opto设计股份有限公司 | 面光源单元、面照明装置及液晶显示装置 |
JP5631776B2 (ja) * | 2010-03-03 | 2014-11-26 | 株式会社東芝 | 照明装置およびこれを備えた液晶表示装置 |
JP2012174372A (ja) * | 2011-02-17 | 2012-09-10 | Sharp Corp | 照明装置、液晶表示装置 |
JP2012174634A (ja) * | 2011-02-24 | 2012-09-10 | Sharp Corp | 光源モジュールおよび光学部材 |
KR101664422B1 (ko) * | 2013-01-23 | 2016-10-10 | 엘지전자 주식회사 | 평면 조명 장치 |
CN104633521A (zh) * | 2013-11-06 | 2015-05-20 | 富泰华精密电子(郑州)有限公司 | 背光模组 |
-
2014
- 2014-03-17 JP JP2014052915A patent/JP6315179B2/ja active Active
-
2015
- 2015-03-11 CN CN201510106950.7A patent/CN104930399B/zh active Active
- 2015-03-13 US US14/657,460 patent/US20150261042A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
US20150261042A1 (en) | 2015-09-17 |
CN104930399A (zh) | 2015-09-23 |
CN104930399B (zh) | 2021-04-23 |
JP2015176780A (ja) | 2015-10-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6315179B2 (ja) | 面発光装置及び液晶表示装置 | |
CN107255886B (zh) | 面状照明装置及显示装置 | |
KR101086523B1 (ko) | 면조명광원장치 | |
JP5920616B2 (ja) | 直下型ledバックライト装置及びそれを用いた液晶表示装置 | |
US9134011B2 (en) | Apparatus for planar lighting | |
JP5100832B2 (ja) | 光源装置および該光源装置を備える表示装置 | |
JP3187635U (ja) | 薄型直下型ledバックライトモジュール | |
TWM565322U (zh) | Direct type backlight module and display device | |
KR101426600B1 (ko) | 액정 디스플레이의 면 광원 장치를 위한 광 산란 렌즈 | |
JP2009070589A (ja) | 液晶ディスプレイ機器 | |
JP5849192B2 (ja) | 面光源および液晶ディスプレイ装置 | |
US20180101061A1 (en) | Backlight module and liquid crystal display | |
WO2019056985A1 (zh) | 导光板、背光模组及显示装置 | |
TWI580902B (zh) | 發光二極體光源模組 | |
KR20150077595A (ko) | 이종 물질 렌즈를 구비한 액정 표시장치용 직하형 백 라이트 유닛 | |
JP2007059146A (ja) | バックライト装置及び液晶表示装置 | |
JP6501378B1 (ja) | スリットを有するレンズ | |
JP6298986B2 (ja) | 照明装置 | |
JP2012145829A (ja) | 発光装置および照明装置 | |
JP2011198479A (ja) | 面光源および液晶ディスプレイ装置 | |
JP5950529B2 (ja) | 面光源装置およびそれを備える表示装置 | |
KR20130095051A (ko) | 광원 패키지 및 이를 포함하는 백라이트 유닛 | |
KR20160117404A (ko) | 평면 조명 장치 및 이를 이용한 디스플레이 장치 | |
JP2017091931A (ja) | 面光源装置 | |
WO2013099786A1 (ja) | 照明装置、バックライト、液晶表示装置及びテレビジョン受像機 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20170201 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20171020 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20171031 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20171218 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20180227 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20180313 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6315179 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |