JP7483474B2 - 照明装置 - Google Patents
照明装置 Download PDFInfo
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- JP7483474B2 JP7483474B2 JP2020072759A JP2020072759A JP7483474B2 JP 7483474 B2 JP7483474 B2 JP 7483474B2 JP 2020072759 A JP2020072759 A JP 2020072759A JP 2020072759 A JP2020072759 A JP 2020072759A JP 7483474 B2 JP7483474 B2 JP 7483474B2
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- 239000004973 liquid crystal related substance Substances 0.000 claims description 175
- 239000000758 substrate Substances 0.000 claims description 71
- 239000011347 resin Substances 0.000 claims description 47
- 229920005989 resin Polymers 0.000 claims description 47
- 230000000694 effects Effects 0.000 claims description 11
- 238000009826 distribution Methods 0.000 description 45
- 244000126211 Hericium coralloides Species 0.000 description 27
- 230000005684 electric field Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000002834 transmittance Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000004512 die casting Methods 0.000 description 2
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000002310 reflectometry Methods 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 239000003566 sealing material Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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Classifications
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- 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
- G02F1/29—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 position or the direction of light beams, i.e. deflection
- G02F1/294—Variable focal length devices
-
- 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
- F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
- F21V14/003—Controlling the distribution of the light emitted by adjustment of elements by interposition of elements with electrically controlled variable light transmissivity, e.g. liquid crystal elements or electrochromic devices
-
- 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
- F21V13/04—Combinations of only two kinds of elements the elements being reflectors and refractors
-
- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
- F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
- F21V29/763—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section the planes containing the fins or blades having the direction of the light emitting axis
-
- 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
- F21V31/00—Gas-tight or water-tight arrangements
- F21V31/04—Provision of filling media
-
- 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
- F21V7/0008—Reflectors for light sources providing for indirect lighting
-
- 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
- F21V7/0025—Combination of two or more reflectors for a single light source
- F21V7/0033—Combination of two or more reflectors for a single light source with successive reflections from one reflector to the next or following
-
- 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
- F21V7/06—Optical design with parabolic curvature
-
- 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
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/133738—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers for homogeneous alignment
-
- 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
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/133742—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers for homeotropic alignment
-
- 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
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
-
- 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
- G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
-
- 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
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/12—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode
- G02F2201/122—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode having a particular pattern
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Engineering & Computer Science (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Geometry (AREA)
- Liquid Crystal (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Led Device Packages (AREA)
Description
Claims (14)
- 光を出射する出射面と前記出射面と対向する底面を有する照明装置であって、
前記出射面と前記底面の間に、中央に孔を有する樹脂が存在し、
前記孔の前記出射面側には光を反射する反射ブロックが存在し、
前記孔の前記底面側には光源であるLEDが存在し、
前記LEDと前記反射ブロックとの間には空間が存在し、
前記樹脂は、内側が反射面となっている容器に収容され、
前記樹脂は、前記出射面側において、平面で視て円形である第1の面と、前記第1の面の内側に平面で視て円形である第2の面を有し、
前記第2の面は前記第1の面よりも前記底面側に存在し、
前記第1の面と前記第2の面は、傾斜面である第3の面によって接続され、
前記反射ブロックは前記第2の面の中央部にはめ込まれていることを特徴とする照明装置。 - 前記孔は、平面で視て円形であり、
前記孔を構成する前記樹脂の内壁面は、断面で視て曲線であることを特徴とする請求項1に記載の照明装置。 - 前記樹脂の外面は、平面で視て円形であり、断面で視て曲線であることを特徴とする請求項1に記載の照明装置。
- 前記樹脂を収容する前記容器の内面は、平面で視て円形であり、断面で視て曲線であることを特徴とする請求項1に記載の照明装置。
- 前記樹脂を収容する前記容器の厚さは、断面で視て、前記出射面側よりも前記底面側のほうが厚いことを特徴とする請求項1に記載の照明装置。
- 前記反射ブロックの前記LED側の面は、曲面であることを特徴とする請求項1に記載の照明装置。
- 前記反射ブロックの前記出射面側の面は、平面であることを特徴とする請求項1に記載の照明装置。
- 前記反射ブロックは平面で視て円形であることを特徴とする請求項1に記載の照明装置。
- 前記出射面の上には、第1の方向に延在し、第2の方向に配列した複数のレンズを有する、外形が円形である第1の液晶レンズが配置していることを特徴とする請求項1に記載の照明装置。
- 前記第1の液晶レンズの上には、前記第2の方向に延在し、前記第1の方向に配列した複数のレンズを有する、外形が円形である第2の液晶レンズが配置していることを特徴とする請求項9に記載の照明装置。
- 前記第1の液晶レンズ及び前記第2の液晶レンズにおける液晶分子の初期配向はホモジニアス配向であることを特徴とする請求項10に記載の照明装置。
- 前記出射面の上には、同心円状に複数のレンズを有する、外形が円形である液晶レンズが配置しており、
前記液晶レンズにおける液晶分子の初期配向は、ホメオトロピックであることを特徴とする請求項1に記載の照明装置。 - 前記出射面の上には、外形が円形で、第1の基板と第2の基板の間に液晶層が挟持された液晶レンズが配置し、
前記第1の基板には、同心円状の複数の第1の電極が形成され、
前記第2の基板には、平面状に形成された円形の電極が形成され、
前記液晶レンズは、前記複数の第1の電極に互いに異なる電圧を印加することによってレンズ作用を発現し、
前記液晶層における液晶分子の初期配向はホメオトロピックであることを特徴とする請求項1に記載の照明装置。 - 前記液晶層に形成されたレンズの屈折率は、前記液晶レンズの端部において最も小さく、前記液晶レンズの中央部において最も大きいことを特徴とする請求項13に記載の照明装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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JP2020072759A JP7483474B2 (ja) | 2020-04-15 | 2020-04-15 | 照明装置 |
US17/226,144 US11466840B2 (en) | 2020-04-15 | 2021-04-09 | Lighting device |
US17/939,408 US11885478B2 (en) | 2020-04-15 | 2022-09-07 | Lighting device |
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JP2020072759A JP7483474B2 (ja) | 2020-04-15 | 2020-04-15 | 照明装置 |
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JP2021170453A JP2021170453A (ja) | 2021-10-28 |
JP7483474B2 true JP7483474B2 (ja) | 2024-05-15 |
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JP2023107264A (ja) * | 2022-01-24 | 2023-08-03 | 株式会社ジャパンディスプレイ | 照明装置 |
JP2023128766A (ja) * | 2022-03-04 | 2023-09-14 | 株式会社ジャパンディスプレイ | 照明装置 |
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JP2010230887A (ja) | 2009-03-26 | 2010-10-14 | Panasonic Electric Works Co Ltd | 照明装置 |
JP2010251785A (ja) | 2005-02-03 | 2010-11-04 | Samsung Electro-Mechanics Co Ltd | 側面放出型発光ダイオードパッケージ |
JP2013140318A (ja) | 2011-12-09 | 2013-07-18 | Enplas Corp | 光束制御部材および照明装置 |
JP2016057541A (ja) | 2014-09-11 | 2016-04-21 | パナソニックIpマネジメント株式会社 | 液晶レンズ、照明装置及び照明システム |
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US20160291235A1 (en) | 2013-11-22 | 2016-10-06 | Lumens Co., Ltd. | Backlight unit, double cone-shaped reflector, double cone-shaped reflector strip, illumination apparatus, and method of manufacturing double cone-shaped reflector |
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JP4471729B2 (ja) * | 2004-04-30 | 2010-06-02 | シチズン電子株式会社 | 液晶レンズ付き発光装置 |
DE102005061431B4 (de) | 2005-02-03 | 2020-01-02 | Samsung Electronics Co., Ltd. | LED-Einheit der Art Seitenausstrahlung |
US20100188837A1 (en) * | 2007-07-25 | 2010-07-29 | Koninklijke Philips Electronics N.V. | Color conversion device and color controllable light-output device |
JP2012069409A (ja) | 2010-09-24 | 2012-04-05 | Panasonic Corp | 照明器具 |
TW201441683A (zh) * | 2013-04-26 | 2014-11-01 | Hon Hai Prec Ind Co Ltd | 光學元件以及應用該光學元件的背光模組 |
EP3347759B1 (en) | 2015-09-12 | 2024-03-20 | LensVector Inc. | Liquid crystal beam control device |
JP7176211B2 (ja) | 2018-03-26 | 2022-11-22 | 東芝ライテック株式会社 | 照明装置 |
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2020
- 2020-04-15 JP JP2020072759A patent/JP7483474B2/ja active Active
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2021
- 2021-04-09 US US17/226,144 patent/US11466840B2/en active Active
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- 2022-09-07 US US17/939,408 patent/US11885478B2/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2010251785A (ja) | 2005-02-03 | 2010-11-04 | Samsung Electro-Mechanics Co Ltd | 側面放出型発光ダイオードパッケージ |
JP2010230887A (ja) | 2009-03-26 | 2010-10-14 | Panasonic Electric Works Co Ltd | 照明装置 |
JP2013140318A (ja) | 2011-12-09 | 2013-07-18 | Enplas Corp | 光束制御部材および照明装置 |
US20160291235A1 (en) | 2013-11-22 | 2016-10-06 | Lumens Co., Ltd. | Backlight unit, double cone-shaped reflector, double cone-shaped reflector strip, illumination apparatus, and method of manufacturing double cone-shaped reflector |
JP2016057541A (ja) | 2014-09-11 | 2016-04-21 | パナソニックIpマネジメント株式会社 | 液晶レンズ、照明装置及び照明システム |
CN105911791A (zh) | 2016-07-04 | 2016-08-31 | 京东方科技集团股份有限公司 | 一种显示面板及显示装置 |
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US20230003363A1 (en) | 2023-01-05 |
JP2021170453A (ja) | 2021-10-28 |
US20210325024A1 (en) | 2021-10-21 |
US11885478B2 (en) | 2024-01-30 |
US11466840B2 (en) | 2022-10-11 |
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