JP7098705B2 - バックライトモジュール - Google Patents
バックライトモジュール Download PDFInfo
- Publication number
- JP7098705B2 JP7098705B2 JP2020211974A JP2020211974A JP7098705B2 JP 7098705 B2 JP7098705 B2 JP 7098705B2 JP 2020211974 A JP2020211974 A JP 2020211974A JP 2020211974 A JP2020211974 A JP 2020211974A JP 7098705 B2 JP7098705 B2 JP 7098705B2
- Authority
- JP
- Japan
- Prior art keywords
- lens
- lenses
- backlight module
- diffuser
- light emitting
- 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
- G02F1/133606—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
-
- 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
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
- F21V5/046—Refractors for light sources of lens shape the lens having a rotationally symmetrical shape about an axis for transmitting light in a direction mainly perpendicular to this axis, e.g. ring or annular lens with light source disposed inside the ring
-
- 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
-
- 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]
-
- 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
- F21V5/00—Refractors for light sources
- F21V5/007—Array of lenses or refractors for a cluster of light sources, e.g. for arrangement of multiple light sources in one plane
-
- 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
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
-
- 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
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
- F21V5/043—Refractors for light sources of lens shape the lens having cylindrical faces, e.g. rod lenses, toric lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
-
- 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
- G02B5/0226—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 having particles on the surface
-
- 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
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Planar Illumination Modules (AREA)
- Optical Elements Other Than Lenses (AREA)
- Liquid Crystal (AREA)
Description
210:表示パネル
220:光学拡散板
300:バックライトモジュール
310:ベース
320:発光素子
330:レンズ
331:側面
332:拡散部
333:突出構造
334:貼付層
335:散乱粒子
336:凹陥部
337:反射面
A-A:線分
CP:周長
DA:拡散部面積
DW:拡散部幅
LC:中心連結線
LR:光
LX:光軸
SA:側面面積
SP:空間
Claims (10)
- ベースと、
前記ベースに複数方向に配列して配設される複数の発光素子と、
それぞれ側面と、前記側面に位置する複数の拡散部と、を有し、それぞれ前記発光素子に対応するように前記ベースに設けられる複数のレンズと、
を備え、
前記レンズの各々の少なくとも1つの前記拡散部は、隣接する2つずつの前記レンズの間に位置し、前記拡散部をベースに垂直な方向に投影した位置が、ベースプレートに重なっているバックライトモジュール。 - 前記レンズの各々の前記拡散部の1つは、隣接する2つの前記レンズの中心連結線に位置する請求項1に記載のバックライトモジュール。
- 前記拡散部の各々は、少なくとも1つの突出構造を含む請求項1又は2に記載のバックライトモジュール。
- 前記拡散部の各々は、光学透過率が80%よりも小さい貼付層を含む請求項1~3の何れか1項に記載のバックライトモジュール。
- 前記拡散部の各々は、複数の散乱粒子を含む請求項1~4の何れか1項に記載のバックライトモジュール。
- 前記レンズの各々は凹陥部を有し、対応する前記発光素子の少なくとも一部が前記凹陥部に位置する請求項1~5の何れか1項に記載のバックライトモジュール。
- 前記レンズの前記側面の各々は周長を有し、前記レンズの各々の前記拡散部の拡散部幅の合計は前記周長よりも小さい請求項1~6の何れか1項に記載のバックライトモジュール。
- 前記レンズの各々の前記拡散部の拡散部幅の前記合計と対応する前記周長との比率は、1%~67%である請求項7に記載のバックライトモジュール。
- 前記レンズの前記側面の各々は側面面積を有し、前記レンズの各々の前記拡散部の拡散部面積の合計は前記側面面積よりも小さい請求項1~8の何れか1項に記載のバックライトモジュール。
- 前記レンズの各々の前記拡散部の拡散部面積の前記合計と対応する前記側面面積との比率は、0.5%~67%である請求項9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 |
---|---|---|---|
TW109137976A TWI764349B (zh) | 2020-10-30 | 2020-10-30 | 背光模組 |
TW109137976 | 2020-10-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2022073852A JP2022073852A (ja) | 2022-05-17 |
JP7098705B2 true JP7098705B2 (ja) | 2022-07-11 |
Family
ID=76008609
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020211974A Active JP7098705B2 (ja) | 2020-10-30 | 2020-12-22 | バックライトモジュール |
Country Status (5)
Country | Link |
---|---|
US (1) | US11287106B1 (ja) |
JP (1) | JP7098705B2 (ja) |
KR (1) | KR102544867B1 (ja) |
CN (1) | CN112859438B (ja) |
TW (1) | TWI764349B (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115128867B (zh) * | 2022-06-15 | 2023-06-02 | Tcl华星光电技术有限公司 | 一种光源及背光模组 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010251053A (ja) | 2009-04-14 | 2010-11-04 | Toppan Printing Co Ltd | 光均一素子及びそれを用いたバックライトユニット及びディスプレイ装置 |
JP2017147227A (ja) | 2016-02-16 | 2017-08-24 | エルジー イノテック カンパニー リミテッド | 光学レンズ、光源モジュールおよびこれを備えたライトユニット |
JP2018515898A (ja) | 2015-05-26 | 2018-06-14 | エルジー イノテック カンパニー リミテッド | 光学レンズ、照明モジュールおよびこれを備えたライトユニット |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4945030B2 (ja) * | 2001-04-06 | 2012-06-06 | スタンレー電気株式会社 | 日照センサ |
US6598998B2 (en) | 2001-05-04 | 2003-07-29 | Lumileds Lighting, U.S., Llc | Side emitting light emitting device |
JP4182784B2 (ja) * | 2003-03-14 | 2008-11-19 | 豊田合成株式会社 | 発光装置およびその製造方法 |
KR20060000977A (ko) * | 2004-06-30 | 2006-01-06 | 엘지.필립스 엘시디 주식회사 | 액정표시장치의 백라이트 유닛 |
KR100593933B1 (ko) * | 2005-03-18 | 2006-06-30 | 삼성전기주식회사 | 산란 영역을 갖는 측면 방출형 발광다이오드 패키지 및이를 포함하는 백라이트 장치 |
WO2011004642A1 (ja) * | 2009-07-06 | 2011-01-13 | シャープ株式会社 | レンズ、発光素子パッケージ、発光モジュール、照明装置、表示装置、およびテレビ受像装置 |
US20120206660A1 (en) * | 2009-12-01 | 2012-08-16 | Sharp Kabushiki Kaisha | Light source package, illumination device, display device, and television receiving device |
US8633641B2 (en) * | 2011-10-25 | 2014-01-21 | Uniled Lighting Taiwan Inc. | Side illumination lens for LED |
CN102437276A (zh) * | 2011-11-25 | 2012-05-02 | 四川新力光源有限公司 | 一种led器件及其制作方法 |
KR101398186B1 (ko) * | 2012-11-05 | 2014-05-23 | (주)애니캐스팅 | 측면 방출형 발광다이오드용 렌즈, 이를 구비하는 백라이트유닛 및 표시장치 |
JP6303738B2 (ja) * | 2013-04-12 | 2018-04-04 | 日亜化学工業株式会社 | 発光装置 |
TW201708847A (zh) * | 2015-08-27 | 2017-03-01 | 鴻海精密工業股份有限公司 | 透鏡及具有該透鏡的發光元件 |
JP2017083692A (ja) * | 2015-10-29 | 2017-05-18 | 船井電機株式会社 | 拡散レンズおよび表示装置 |
TWI608636B (zh) | 2016-01-28 | 2017-12-11 | 行家光電股份有限公司 | 具非對稱性光形的發光裝置及其製造方法 |
CN108351088B (zh) * | 2016-08-18 | 2020-03-24 | 瑞仪光电(苏州)有限公司 | 透镜结构及使用该透镜结构的灯具、背光模块与显示设备 |
TWI688128B (zh) * | 2016-10-06 | 2020-03-11 | 隆達電子股份有限公司 | 發光二極體晶片級封裝結構及直下式背光模組 |
US10400986B2 (en) * | 2017-08-04 | 2019-09-03 | Lumileds Holding B.V. | Extremely wide distribution light-emitting diode (LED) lens for thin direct-lit backlight |
JP7011425B2 (ja) * | 2017-09-06 | 2022-02-10 | 株式会社エンプラス | 発光装置、面光源装置および表示装置 |
KR102546965B1 (ko) * | 2018-07-13 | 2023-06-26 | 삼성전자주식회사 | 확산 렌즈 및 이를 포함하는 디스플레이 장치 |
-
2020
- 2020-10-30 TW TW109137976A patent/TWI764349B/zh active
- 2020-12-22 JP JP2020211974A patent/JP7098705B2/ja active Active
-
2021
- 2021-01-25 CN CN202110098040.4A patent/CN112859438B/zh active Active
- 2021-03-12 US US17/199,483 patent/US11287106B1/en active Active
- 2021-07-29 KR KR1020210099884A patent/KR102544867B1/ko active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010251053A (ja) | 2009-04-14 | 2010-11-04 | Toppan Printing Co Ltd | 光均一素子及びそれを用いたバックライトユニット及びディスプレイ装置 |
JP2018515898A (ja) | 2015-05-26 | 2018-06-14 | エルジー イノテック カンパニー リミテッド | 光学レンズ、照明モジュールおよびこれを備えたライトユニット |
JP2017147227A (ja) | 2016-02-16 | 2017-08-24 | エルジー イノテック カンパニー リミテッド | 光学レンズ、光源モジュールおよびこれを備えたライトユニット |
Also Published As
Publication number | Publication date |
---|---|
TWI764349B (zh) | 2022-05-11 |
KR20220058399A (ko) | 2022-05-09 |
CN112859438A (zh) | 2021-05-28 |
US11287106B1 (en) | 2022-03-29 |
JP2022073852A (ja) | 2022-05-17 |
KR102544867B1 (ko) | 2023-06-20 |
CN112859438B (zh) | 2023-03-17 |
TW202217408A (zh) | 2022-05-01 |
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