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WO2017106124A3 - Lighting devices with light guide plates and display devices comprising the same - Google Patents

Lighting devices with light guide plates and display devices comprising the same Download PDF

Info

Publication number
WO2017106124A3
WO2017106124A3 PCT/US2016/066258 US2016066258W WO2017106124A3 WO 2017106124 A3 WO2017106124 A3 WO 2017106124A3 US 2016066258 W US2016066258 W US 2016066258W WO 2017106124 A3 WO2017106124 A3 WO 2017106124A3
Authority
WO
WIPO (PCT)
Prior art keywords
light guide
lighting devices
devices
guide plates
same
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.)
Ceased
Application number
PCT/US2016/066258
Other languages
French (fr)
Other versions
WO2017106124A2 (en
Inventor
Jacques Gollier
Steven S Rosenblum
Kristopher Allen WIELAND
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Corning Inc
Original Assignee
Corning Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Corning Inc filed Critical Corning Inc
Publication of WO2017106124A2 publication Critical patent/WO2017106124A2/en
Publication of WO2017106124A3 publication Critical patent/WO2017106124A3/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
    • 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
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/002—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
    • G02B6/0021—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces for housing at least a part of the light source, e.g. by forming holes or recesses
    • 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
    • G02B6/0055—Reflecting element, sheet or layer
    • 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
    • G02B6/0075—Arrangements of multiple light guides
    • G02B6/0078—Side-by-side arrangements, e.g. for large area displays
    • 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
    • G02B6/0075—Arrangements of multiple light guides
    • G02B6/0078—Side-by-side arrangements, e.g. for large area displays
    • G02B6/008—Side-by-side arrangements, e.g. for large area displays of the partially overlapping type
    • 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
    • G02F1/133601—Illuminating devices for spatial active dimming

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)
  • Planar Illumination Modules (AREA)

Abstract

Disclosed herein are lighting devices (100) comprising a light guide plate (105) comprising a first edge (115) and a first major surface (155) optionally comprising a plurality of light extraction features (150); at least one light source (110) coupled to the first edge (115); and at least one edge reflector (120) disposed along at least a portion of an edge of the light guide plate (105). Lighting devices comprising a plurality of such light guide plates (105) are also disclosed herein. Display devices comprising such lighting devices are further disclosed.
PCT/US2016/066258 2015-12-16 2016-12-13 Light guide plates and display devices comprising the same Ceased WO2017106124A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201562268173P 2015-12-16 2015-12-16
US62/268,173 2015-12-16

Publications (2)

Publication Number Publication Date
WO2017106124A2 WO2017106124A2 (en) 2017-06-22
WO2017106124A3 true WO2017106124A3 (en) 2017-11-16

Family

ID=58739324

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2016/066258 Ceased WO2017106124A2 (en) 2015-12-16 2016-12-13 Light guide plates and display devices comprising the same

Country Status (2)

Country Link
TW (1) TW201740170A (en)
WO (1) WO2017106124A2 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102637705B1 (en) * 2017-08-29 2024-02-19 코닝 인코포레이티드 Multi-layer reflector for direct illumination backlights
KR102557000B1 (en) * 2017-08-29 2023-07-19 코닝 인코포레이티드 Direct lighting backlight unit with 2D local dimming
WO2019052294A1 (en) 2017-09-12 2019-03-21 Nanoleaf Energy Technology Shenzhen Limited Systems and methods for providing coupled lighting panels
WO2019125968A1 (en) * 2017-12-21 2019-06-27 Corning Incorporated Surface treatments to substrates to reduce display corrosion
JP7271578B2 (en) * 2018-02-19 2023-05-11 コーニング インコーポレイテッド LCD backlight unit made from solvent-free microreplication resin
CN112415808A (en) * 2020-11-11 2021-02-26 福州大学 A two-dimensional area dimming light guide plate with embedded Mini-LED light source
WO2023108875A1 (en) 2021-12-14 2023-06-22 瑞仪光电(苏州)有限公司 Light guide plate, backlight module and display device
TW202326258A (en) * 2021-12-16 2023-07-01 瑞儀光電股份有限公司 Light guide plate assembly, backlight module and display device
CN114203058B (en) * 2021-12-29 2022-08-05 绵阳惠科光电科技有限公司 Backlight module and display device
CN120065402A (en) 2023-11-28 2025-05-30 纬联电子科技(中山)有限公司 Display module and display device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007122971A (en) * 2005-10-26 2007-05-17 Sharp Corp Surface light source device and image display device using the same
JP2011175941A (en) * 2010-02-25 2011-09-08 Stanley Electric Co Ltd Edge type backlight unit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007122971A (en) * 2005-10-26 2007-05-17 Sharp Corp Surface light source device and image display device using the same
JP2011175941A (en) * 2010-02-25 2011-09-08 Stanley Electric Co Ltd Edge type backlight unit

Also Published As

Publication number Publication date
TW201740170A (en) 2017-11-16
WO2017106124A2 (en) 2017-06-22

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