JP7348940B2 - 傾斜構造を有する光学フィルムのバックライトモジュール - Google Patents
傾斜構造を有する光学フィルムのバックライトモジュール Download PDFInfo
- Publication number
- JP7348940B2 JP7348940B2 JP2021187133A JP2021187133A JP7348940B2 JP 7348940 B2 JP7348940 B2 JP 7348940B2 JP 2021187133 A JP2021187133 A JP 2021187133A JP 2021187133 A JP2021187133 A JP 2021187133A JP 7348940 B2 JP7348940 B2 JP 7348940B2
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- JP
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- Prior art keywords
- backlight module
- light emitting
- optical film
- angle
- emitting member
- 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.)
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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
- G02F1/133603—Direct backlight with LEDs
-
- 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
- G02B6/0051—Diffusing sheet or layer
-
- 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
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
- G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
- G02B5/0231—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having microprismatic or micropyramidal shape
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0273—Diffusing elements; Afocal elements characterized by the use
- G02B5/0278—Diffusing elements; Afocal elements characterized by the use used in transmission
-
- 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
- G02B6/0065—Manufacturing aspects; Material aspects
-
- 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
- G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
-
- 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]
-
- 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
-
- 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
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)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Planar Illumination Modules (AREA)
- Optical Elements Other Than Lenses (AREA)
- Liquid Crystal (AREA)
Description
100 バックライトモジュール
11 基板
110 光学フィルム
111 第1面
112 第2面
113 錐形構造
114 頂点
116 第1稜線
12 ミニLED
120 基板
13 光学フィルム
130 発光部材
131 第1方向
132 第2方向
14 微細構造
150 プリズムシート
151 第1プリズムシート
152 第2プリズムシート
200 バックライトモジュール
300 バックライトモジュール
310 光学フィルム
311 第1面
312 第2面
313 錐形構造
317 円柱構造
317’ 円柱構造
318 第2稜線
318a 第2稜線
318b 第2稜線
400 バックライトモジュール
500 光学フィルム
600 光学フィルム
601 二等辺三角錐
Claims (8)
- 基板と、
第1方向及び第2方向に前記基板上に配列される複数の発光部材と、
垂直に堆積された複数の光学フィルムと、
を備え、
前記複数の光学フィルムは、
複数の下向きに凹んだ錐形構造を有し、前記錐形構造の辺縁に複数の第1稜線を形成する第1面と、
前記第1面に対向し、前記基板に面する第2面と、を備え、
前記第1稜線と前記第1方向との挟み角の角度がθであり、
前記第1方向の前記発光部材及び隣り合う前記発光部材の距離は、Xであり、前記第2方向の前記発光部材及び隣り合う前記発光部材の距離は、Yであり、前記角度θが下記式(1)を満たし、
前記第2面は、複数の円柱構造を更に含み、前記円柱構造は、第2稜線を更に含み、前記第2稜線と前記第1方向との挟み角は、前記角度θであることを特徴とするバックライトモジュール。
- 前記錐形構造が下向きに凹んだ四角錐であることを特徴とする請求項1に記載のバックライトモジュール。
- 前記錐形構造が下向きに凹んだ多角錐であることを特徴とする請求項1に記載のバックライトモジュール。
- 前記第2面は、複数の円柱構造を更に含むことを特徴とする請求項1に記載のバックライトモジュール。
- 前記光学フィルムの上方に設置される少なくとも1つのプリズムシートを更に備えることを特徴とする請求項1に記載のバックライトモジュール。
- 前記発光部材は、発光ダイオードであることを特徴とする請求項1に記載のバックライトモジュール。
- 前記光学フィルムの厚さは、0.05~0.5mmであることを特徴とする請求項1に記載のバックライトモジュール。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW110105143 | 2021-02-09 | ||
TW110105143A TW202232142A (zh) | 2021-02-09 | 2021-02-09 | 具傾斜結構之光學膜片的背光模組 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2022122244A JP2022122244A (ja) | 2022-08-22 |
JP7348940B2 true JP7348940B2 (ja) | 2023-09-21 |
Family
ID=78538065
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2021187133A Active JP7348940B2 (ja) | 2021-02-09 | 2021-11-17 | 傾斜構造を有する光学フィルムのバックライトモジュール |
Country Status (6)
Country | Link |
---|---|
US (1) | US11650454B2 (ja) |
EP (1) | EP4040228A1 (ja) |
JP (1) | JP7348940B2 (ja) |
KR (1) | KR102587192B1 (ja) |
CN (1) | CN113671750A (ja) |
TW (1) | TW202232142A (ja) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010010840A1 (ja) | 2008-07-22 | 2010-01-28 | 日本ゼオン株式会社 | 光拡散板、光拡散板の製造方法、面光源装置、及び表示装置 |
US20100033957A1 (en) | 2008-08-06 | 2010-02-11 | Po-Iem Lin | Backlight Module |
JP2011150078A (ja) | 2010-01-20 | 2011-08-04 | Toppan Printing Co Ltd | 光学シート、バックライトユニットおよびディスプレイ装置 |
JP2012237978A (ja) | 2011-04-28 | 2012-12-06 | Nippon Shokubai Co Ltd | 光学シートおよび該光学シートを用いた面状光源装置 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
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US20070024994A1 (en) | 2005-07-29 | 2007-02-01 | 3M Innovative Properties Company | Structured optical film with interspersed pyramidal structures |
US8011802B2 (en) | 2007-07-24 | 2011-09-06 | Sony Corporation | Optical film, lighting device and display unit |
CN101545997A (zh) * | 2008-03-28 | 2009-09-30 | 鸿富锦精密工业(深圳)有限公司 | 棱镜片 |
CN101620283B (zh) | 2008-07-04 | 2012-05-23 | 鸿富锦精密工业(深圳)有限公司 | 背光模组及其扩散板 |
TW201017230A (en) * | 2008-07-18 | 2010-05-01 | Sumitomo Chemical Co | Light beam deflection structure plate and surface light source device and liquid crystal display device |
US9341754B2 (en) | 2009-09-11 | 2016-05-17 | Asahi Kasei E-Materials Corporation | Light diffuser for point light source and direct type point light source backlight device |
JP2011175102A (ja) | 2010-02-24 | 2011-09-08 | Sony Corp | 光学シート積層体、照明装置および表示装置 |
TWI422783B (zh) | 2010-12-10 | 2014-01-11 | Innolux Corp | 直下式發光二極體光源 |
WO2015184456A1 (en) * | 2014-05-30 | 2015-12-03 | Osram Sylvania Inc. | Light control films and lighting devices including same |
TWI662303B (zh) | 2018-11-29 | 2019-06-11 | 友達光電股份有限公司 | 背光模組 |
EP4010761A4 (en) * | 2020-03-13 | 2022-10-19 | Samsung Electronics Co., Ltd. | DISPLAY DEVICE |
-
2021
- 2021-02-09 TW TW110105143A patent/TW202232142A/zh unknown
- 2021-04-20 CN CN202110421975.1A patent/CN113671750A/zh active Pending
- 2021-06-24 US US17/357,945 patent/US11650454B2/en active Active
- 2021-10-25 EP EP21204385.5A patent/EP4040228A1/en active Pending
- 2021-10-27 KR KR1020210144691A patent/KR102587192B1/ko active IP Right Grant
- 2021-11-17 JP JP2021187133A patent/JP7348940B2/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010010840A1 (ja) | 2008-07-22 | 2010-01-28 | 日本ゼオン株式会社 | 光拡散板、光拡散板の製造方法、面光源装置、及び表示装置 |
US20100033957A1 (en) | 2008-08-06 | 2010-02-11 | Po-Iem Lin | Backlight Module |
JP2011150078A (ja) | 2010-01-20 | 2011-08-04 | Toppan Printing Co Ltd | 光学シート、バックライトユニットおよびディスプレイ装置 |
JP2012237978A (ja) | 2011-04-28 | 2012-12-06 | Nippon Shokubai Co Ltd | 光学シートおよび該光学シートを用いた面状光源装置 |
Also Published As
Publication number | Publication date |
---|---|
KR102587192B1 (ko) | 2023-10-06 |
US20220252937A1 (en) | 2022-08-11 |
JP2022122244A (ja) | 2022-08-22 |
KR20220115042A (ko) | 2022-08-17 |
US11650454B2 (en) | 2023-05-16 |
CN113671750A (zh) | 2021-11-19 |
TW202232142A (zh) | 2022-08-16 |
EP4040228A1 (en) | 2022-08-10 |
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