JP7110036B2 - 表示装置 - Google Patents

表示装置 Download PDF

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Publication number
JP7110036B2
JP7110036B2 JP2018165084A JP2018165084A JP7110036B2 JP 7110036 B2 JP7110036 B2 JP 7110036B2 JP 2018165084 A JP2018165084 A JP 2018165084A JP 2018165084 A JP2018165084 A JP 2018165084A JP 7110036 B2 JP7110036 B2 JP 7110036B2
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JP
Japan
Prior art keywords
light
light guide
guide member
light source
optical axis
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.)
Active
Application number
JP2018165084A
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English (en)
Japanese (ja)
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JP2020038279A5 (https=
JP2020038279A (ja
Inventor
雅之 三船
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.)
Japan Display Inc
Original Assignee
Japan Display 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 Japan Display Inc filed Critical Japan Display Inc
Priority to JP2018165084A priority Critical patent/JP7110036B2/ja
Priority to DE112019003884.2T priority patent/DE112019003884B4/de
Priority to PCT/JP2019/030750 priority patent/WO2020049928A1/ja
Publication of JP2020038279A publication Critical patent/JP2020038279A/ja
Priority to US17/189,911 priority patent/US11347102B2/en
Publication of JP2020038279A5 publication Critical patent/JP2020038279A5/ja
Application granted granted Critical
Publication of JP7110036B2 publication Critical patent/JP7110036B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G02F1/01—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
    • G02F1/133605—Direct backlight including specially adapted reflectors
    • 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
    • F21V7/0083—Array of reflectors for a cluster of light sources, e.g. arrangement of multiple light sources in one plane
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
    • G02B19/0019—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having reflective surfaces only (e.g. louvre systems, systems with multiple planar reflectors)
    • G02B19/0023—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having reflective surfaces only (e.g. louvre systems, systems with multiple planar reflectors) at least one surface having optical power
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
    • G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
    • G02B19/0061—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a LED
    • G02B19/0066—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a LED in the form of an LED array
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/0018—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means for preventing ghost images
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • 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
    • 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
    • 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
    • F21Y2107/00—Light sources with three-dimensionally disposed light-generating elements
    • F21Y2107/50—Light sources with three-dimensionally disposed light-generating elements on planar substrates or supports, but arranged in different planes or with differing orientation, e.g. on plate-shaped supports with steps on which light-generating elements are mounted
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B2027/0118—Head-up displays characterised by optical features comprising devices for improving the contrast of the display / brillance control visibility
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Planar Illumination Modules (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal (AREA)
  • Instrument Panels (AREA)
JP2018165084A 2018-09-04 2018-09-04 表示装置 Active JP7110036B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2018165084A JP7110036B2 (ja) 2018-09-04 2018-09-04 表示装置
DE112019003884.2T DE112019003884B4 (de) 2018-09-04 2019-08-05 Anzeigevorrichtung
PCT/JP2019/030750 WO2020049928A1 (ja) 2018-09-04 2019-08-05 表示装置
US17/189,911 US11347102B2 (en) 2018-09-04 2021-03-02 Display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2018165084A JP7110036B2 (ja) 2018-09-04 2018-09-04 表示装置

Publications (3)

Publication Number Publication Date
JP2020038279A JP2020038279A (ja) 2020-03-12
JP2020038279A5 JP2020038279A5 (https=) 2021-10-07
JP7110036B2 true JP7110036B2 (ja) 2022-08-01

Family

ID=69722816

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2018165084A Active JP7110036B2 (ja) 2018-09-04 2018-09-04 表示装置

Country Status (4)

Country Link
US (1) US11347102B2 (https=)
JP (1) JP7110036B2 (https=)
DE (1) DE112019003884B4 (https=)
WO (1) WO2020049928A1 (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7110037B2 (ja) * 2018-09-04 2022-08-01 株式会社ジャパンディスプレイ 表示装置
JP2022092951A (ja) 2020-12-11 2022-06-23 株式会社ジャパンディスプレイ 照明装置
CN114296253B (zh) * 2022-03-09 2022-06-28 北京谛听视界文化科技有限公司 一种光学成像结构
KR102851639B1 (ko) * 2022-12-28 2025-08-27 현대모비스 주식회사 헤드업 디스플레이용 화상형성장치
TWI888873B (zh) * 2023-07-20 2025-07-01 怡利電子工業股份有限公司 具有錐形光杯陣列的背光顯示裝置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002156916A (ja) 2000-11-20 2002-05-31 Nippon Seiki Co Ltd 表示装置
JP2004102132A (ja) 2002-09-12 2004-04-02 Olympus Corp 照明装置及びその照明装置を使用した画像投影装置
US20080309470A1 (en) 2004-04-05 2008-12-18 Thomas Kiesewetter Built-in instrument cluster
JP2013156584A (ja) 2012-01-31 2013-08-15 Toshiba Corp 表示装置、移動体、及び、表示装置の設置方法
US20150168717A1 (en) 2013-12-12 2015-06-18 Au Optronics Corporation Display module and head up display
WO2017169375A1 (ja) 2016-03-29 2017-10-05 株式会社デンソー ヘッドアップディスプレイ装置
JP2017207624A (ja) 2016-05-18 2017-11-24 株式会社ジャパンディスプレイ 表示装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2680860B1 (fr) * 1991-09-02 1997-07-04 Valeo Vision Element de support, notamment pour feu de signalisation de vehicule automobile et son procede de fabrication.
US6480345B2 (en) * 2000-06-30 2002-11-12 Ricoh Company, Ltd. Image magnifying/reducing optical device and manufacturing method thereof
US7832878B2 (en) * 2006-03-06 2010-11-16 Innovations In Optics, Inc. Light emitting diode projection system
JP2014178368A (ja) 2013-03-13 2014-09-25 Japan Display Inc 表示モジュール
CN106660452B (zh) * 2014-09-12 2020-10-16 矢崎总业株式会社 表面面板、显示单元、车载显示装置和仪表面板
JP6283013B2 (ja) * 2015-11-24 2018-02-21 カルソニックカンセイ株式会社 照明構造
JP6508125B2 (ja) * 2016-05-18 2019-05-08 株式会社デンソー ヘッドアップディスプレイ装置及び画像投射ユニット
JP6906968B2 (ja) * 2017-01-31 2021-07-21 株式会社ジャパンディスプレイ 照明装置
EP3575846A1 (en) * 2018-05-30 2019-12-04 Visteon Global Technologies Inc. Picture generation unit for head-up display

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002156916A (ja) 2000-11-20 2002-05-31 Nippon Seiki Co Ltd 表示装置
JP2004102132A (ja) 2002-09-12 2004-04-02 Olympus Corp 照明装置及びその照明装置を使用した画像投影装置
US20080309470A1 (en) 2004-04-05 2008-12-18 Thomas Kiesewetter Built-in instrument cluster
JP2013156584A (ja) 2012-01-31 2013-08-15 Toshiba Corp 表示装置、移動体、及び、表示装置の設置方法
US20150168717A1 (en) 2013-12-12 2015-06-18 Au Optronics Corporation Display module and head up display
WO2017169375A1 (ja) 2016-03-29 2017-10-05 株式会社デンソー ヘッドアップディスプレイ装置
JP2017207624A (ja) 2016-05-18 2017-11-24 株式会社ジャパンディスプレイ 表示装置

Also Published As

Publication number Publication date
DE112019003884B4 (de) 2025-10-02
JP2020038279A (ja) 2020-03-12
DE112019003884T5 (de) 2021-04-15
WO2020049928A1 (ja) 2020-03-12
US20210181579A1 (en) 2021-06-17
US11347102B2 (en) 2022-05-31

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