EP4070158A4 - Rückbeleuchtungseinheit mit emissionsänderung - Google Patents
Rückbeleuchtungseinheit mit emissionsänderung Download PDFInfo
- Publication number
- EP4070158A4 EP4070158A4 EP21857009.1A EP21857009A EP4070158A4 EP 4070158 A4 EP4070158 A4 EP 4070158A4 EP 21857009 A EP21857009 A EP 21857009A EP 4070158 A4 EP4070158 A4 EP 4070158A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- backlight unit
- emission modification
- emission
- modification
- backlight
- 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.)
- Withdrawn
Links
- 230000004048 modification Effects 0.000 title 1
- 238000012986 modification Methods 0.000 title 1
Classifications
-
- 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
- G02B5/0236—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element
- G02B5/0242—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element by means of dispersed particles
-
- 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
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/206—Filters comprising particles embedded in a solid matrix
-
- 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
- G02F1/133614—Illuminating devices using photoluminescence, e.g. phosphors illuminated by UV or blue light
-
- 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
- G02F1/133624—Illuminating devices characterised by their spectral emissions
-
- 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
- G02F1/133617—Illumination with ultraviolet light; Luminescent elements or materials associated to the cell
-
- 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
- G02F2201/08—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 light absorbing 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
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/50—Protective arrangements
-
- 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
- G02F2202/00—Materials and properties
- G02F2202/36—Micro- or nanomaterials
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mathematical Physics (AREA)
- Dispersion Chemistry (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Planar Illumination Modules (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Optical Filters (AREA)
- Liquid Crystal (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US17/177,920 US11126033B2 (en) | 2018-11-28 | 2021-02-17 | Backlight unit with emission modification |
US17/348,570 US11592701B2 (en) | 2018-11-28 | 2021-06-15 | Backlight unit with emission modification |
PCT/US2021/052904 WO2022177606A1 (en) | 2021-02-17 | 2021-09-30 | Backlight unit with emission modification |
Publications (2)
Publication Number | Publication Date |
---|---|
EP4070158A1 EP4070158A1 (de) | 2022-10-12 |
EP4070158A4 true EP4070158A4 (de) | 2023-10-18 |
Family
ID=82930892
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP21857009.1A Withdrawn EP4070158A4 (de) | 2021-02-17 | 2021-09-30 | Rückbeleuchtungseinheit mit emissionsänderung |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP4070158A4 (de) |
JP (1) | JP2023519464A (de) |
KR (1) | KR20230143917A (de) |
CN (1) | CN115226403A (de) |
WO (1) | WO2022177606A1 (de) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20190196071A1 (en) * | 2014-05-23 | 2019-06-27 | Healthe, LLC | Light emission reducing compounds for electronic devices |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69427668T2 (de) * | 1993-08-04 | 2002-06-20 | Matsushita Electric Ind Co Ltd | Verfahren zur Herstellung einer Flüssigkristall-Anzeigevorrichtung mit Orientierungsschicht für willkürliche Ausrichtung |
KR20030097143A (ko) * | 2002-06-19 | 2003-12-31 | 엘지.필립스 엘시디 주식회사 | 액정표시장치의 백라이트 유닛 |
US20090173958A1 (en) * | 2008-01-04 | 2009-07-09 | Cree, Inc. | Light emitting devices with high efficiency phospor structures |
JP5940079B2 (ja) * | 2010-11-10 | 2016-06-29 | ナノシス・インク. | ディスプレイバックライトユニット及びディスプレイバックライトユニットの形成方法 |
KR101251815B1 (ko) * | 2011-11-07 | 2013-04-09 | 엘지이노텍 주식회사 | 광학 시트 및 이를 포함하는 표시장치 |
KR20150075215A (ko) * | 2013-12-24 | 2015-07-03 | 재단법인 포항산업과학연구원 | 조명용 엘이디 패키지 |
JP6952203B2 (ja) * | 2018-03-13 | 2021-10-20 | アップル インコーポレイテッドApple Inc. | 直接式バックライトユニットを有するディスプレイ |
US10955697B2 (en) * | 2018-11-28 | 2021-03-23 | Eyesafe Inc. | Light emission modification |
-
2021
- 2021-09-30 EP EP21857009.1A patent/EP4070158A4/de not_active Withdrawn
- 2021-09-30 JP JP2022520547A patent/JP2023519464A/ja not_active Ceased
- 2021-09-30 CN CN202180005599.6A patent/CN115226403A/zh active Pending
- 2021-09-30 WO PCT/US2021/052904 patent/WO2022177606A1/en unknown
- 2021-09-30 KR KR1020227009105A patent/KR20230143917A/ko unknown
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20190196071A1 (en) * | 2014-05-23 | 2019-06-27 | Healthe, LLC | Light emission reducing compounds for electronic devices |
Also Published As
Publication number | Publication date |
---|---|
KR20230143917A (ko) | 2023-10-13 |
CN115226403A (zh) | 2022-10-21 |
JP2023519464A (ja) | 2023-05-11 |
WO2022177606A1 (en) | 2022-08-25 |
EP4070158A1 (de) | 2022-10-12 |
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Legal Events
Date | Code | Title | Description |
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STAA | Information on the status of an ep patent application or granted ep patent |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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STAA | Information on the status of an ep patent application or granted ep patent |
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17P | Request for examination filed |
Effective date: 20220225 |
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AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
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A4 | Supplementary search report drawn up and despatched |
Effective date: 20230915 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: F21K 9/64 20160101ALI20230911BHEP Ipc: F21V 9/32 20180101ALI20230911BHEP Ipc: G02B 5/20 20060101ALI20230911BHEP Ipc: G02B 5/02 20060101ALI20230911BHEP Ipc: G02F 1/1335 20060101AFI20230911BHEP |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN |
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18W | Application withdrawn |
Effective date: 20240328 |