JP7445579B2 - 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 PDF

Info

Publication number
JP7445579B2
JP7445579B2 JP2020173006A JP2020173006A JP7445579B2 JP 7445579 B2 JP7445579 B2 JP 7445579B2 JP 2020173006 A JP2020173006 A JP 2020173006A JP 2020173006 A JP2020173006 A JP 2020173006A JP 7445579 B2 JP7445579 B2 JP 7445579B2
Authority
JP
Japan
Prior art keywords
light
backlight module
guide plate
light guide
light source
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
JP2020173006A
Other languages
English (en)
Japanese (ja)
Other versions
JP2021097035A (ja
Inventor
宏達 簡
Original Assignee
中強光電股▲ふん▼有限公司
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 中強光電股▲ふん▼有限公司 filed Critical 中強光電股▲ふん▼有限公司
Publication of JP2021097035A publication Critical patent/JP2021097035A/ja
Application granted granted Critical
Publication of JP7445579B2 publication Critical patent/JP7445579B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
  • Optical Elements Other Than Lenses (AREA)
JP2020173006A 2019-12-17 2020-10-14 バックライトモジュール Active JP7445579B2 (ja)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201962948808P 2019-12-17 2019-12-17
US62/948,808 2019-12-17
CN202010668051.7 2020-07-13
CN202010668051.7A CN112987395B (zh) 2019-12-17 2020-07-13 背光模块

Publications (2)

Publication Number Publication Date
JP2021097035A JP2021097035A (ja) 2021-06-24
JP7445579B2 true JP7445579B2 (ja) 2024-03-07

Family

ID=76344344

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2020173006A Active JP7445579B2 (ja) 2019-12-17 2020-10-14 バックライトモジュール

Country Status (3)

Country Link
JP (1) JP7445579B2 (zh)
CN (1) CN112987395B (zh)
TW (1) TWI743897B (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115812167A (zh) 2021-07-14 2023-03-17 瑞仪(广州)光电子器件有限公司 背光模组及显示装置
WO2024124512A1 (en) * 2022-12-16 2024-06-20 Boe Technology Group Co., Ltd. Light emitting substrate and virtual display apparatus

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010053075A1 (en) 1999-02-23 2001-12-20 Parker Jeffery R. Light redirecting films and film systems
JP2005174706A (ja) 2003-12-10 2005-06-30 Sharp Corp 照明装置およびそれを備えた表示装置
JP2006310269A (ja) 2005-03-31 2006-11-09 Casio Comput Co Ltd 指向性を持った少なくとも２つの照明光を出射する照明装置及びそれを用いた表示装置
KR20070075003A (ko) 2006-01-11 2007-07-18 삼성전기주식회사 동심원상의 불연속 패턴을 갖는 도광판을 구비한 백라이트 장치
JP2008158014A (ja) 2006-12-21 2008-07-10 Hitachi Displays Ltd 液晶表示装置
JP2010061096A (ja) 2008-08-05 2010-03-18 Hitachi Chem Co Ltd プリズムシート及び面光源装置
CN103267995A (zh) 2013-03-25 2013-08-28 苏州奥浦迪克光电技术有限公司 导光板以及具有该导光板的背光模组

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW422346U (en) * 1998-11-17 2001-02-11 Ind Tech Res Inst A reflector device with arc diffusion uint
JP3928395B2 (ja) * 2001-09-21 2007-06-13 オムロン株式会社 面光源装置
KR100624408B1 (ko) * 2003-01-07 2006-09-18 삼성전자주식회사 백라이트 유닛
JP2004241323A (ja) * 2003-02-07 2004-08-26 Hitachi Maxell Ltd 面状光源及びこれを用いた液晶表示装置
JP2004253308A (ja) * 2003-02-21 2004-09-09 Hitachi Maxell Ltd 面状光源及びそれを用いた液晶表示装置
TWI342414B (en) * 2004-08-27 2011-05-21 Hon Hai Prec Ind Co Ltd Light guide plate
CN100389347C (zh) * 2004-12-28 2008-05-21 清华大学 导光板和背光模组
CN2862089Y (zh) * 2005-12-15 2007-01-24 比亚迪股份有限公司 一种导光板及背光模组
CN101542365B (zh) * 2006-11-20 2012-04-04 夏普株式会社 显示装置
CN101191945B (zh) * 2006-11-29 2010-11-10 清华大学 背光模组
CN206594419U (zh) * 2017-03-02 2017-10-27 扬升照明股份有限公司 显示装置
TWI657291B (zh) * 2018-03-14 2019-04-21 友達光電股份有限公司 背光模組

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010053075A1 (en) 1999-02-23 2001-12-20 Parker Jeffery R. Light redirecting films and film systems
JP2005174706A (ja) 2003-12-10 2005-06-30 Sharp Corp 照明装置およびそれを備えた表示装置
JP2006310269A (ja) 2005-03-31 2006-11-09 Casio Comput Co Ltd 指向性を持った少なくとも２つの照明光を出射する照明装置及びそれを用いた表示装置
KR20070075003A (ko) 2006-01-11 2007-07-18 삼성전기주식회사 동심원상의 불연속 패턴을 갖는 도광판을 구비한 백라이트 장치
JP2008158014A (ja) 2006-12-21 2008-07-10 Hitachi Displays Ltd 液晶表示装置
JP2010061096A (ja) 2008-08-05 2010-03-18 Hitachi Chem Co Ltd プリズムシート及び面光源装置
CN103267995A (zh) 2013-03-25 2013-08-28 苏州奥浦迪克光电技术有限公司 导光板以及具有该导光板的背光模组

Also Published As

Publication number Publication date
TWI743897B (zh) 2021-10-21
TW202127123A (zh) 2021-07-16
JP2021097035A (ja) 2021-06-24
CN112987395A (zh) 2021-06-18
CN112987395B (zh) 2024-03-08

Similar Documents

Publication Publication Date Title
TWI669555B (zh) 雙視域區域背光件、雙模式顯示器及其操作方法
US20220214542A1 (en) Light control apparatus, passive light-emitting image source and head-up display system
EP2788809B1 (en) Compact illumination module for head mounted display
WO2011067911A1 (ja) 液晶表示装置
JP6921327B2 (ja) Ｈｕｄ照明システム、ヘッドアップディスプレイ装置及び実現方法
JP2021507320A (ja) マルチビーム素子ベースのニアアイディスプレイ、システム、および方法
WO2017164117A1 (ja) 表示装置及びヘッドマウントディスプレイ
US20220043267A1 (en) Head-mounted display with narrow angle backlight
CN111948817A (zh) 显示装置、抬头显示器和机动车
JP7445579B2 (ja) バックライトモジュール
TWI428639B (zh) 擴散板、背光單元及其液晶顯示器
US20200089059A1 (en) Planar light source device and display device
TW202113429A (zh) 頭戴式顯示裝置
CN106597755A (zh) 一种背光模组及显示装置
JP2021508383A (ja) マルチビーム素子ベースのヘッドアップディスプレイ、システム、および方法
TW201629588A (zh) 對比增強片及包括該對比增強片的顯示裝置
US11460627B2 (en) Backlight module
TWM559421U (zh) 背光模組及顯示裝置
WO2017002725A1 (ja) 発光装置、面光源装置および表示装置
TWI516807B (zh) 透鏡與直下式光源模組
WO2013081038A1 (ja) 光源装置、面光源装置、表示装置および照明装置
WO2018109978A1 (ja) 面光源装置および表示装置
WO2018139157A1 (ja) 照明装置およびヘッドアップディスプレイ装置
US20230244010A1 (en) Optical System
US20140347571A1 (en) Low profile backlight apparatus for high-brightness microdisplays

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20230227

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20230929

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20231003

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20231226

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20240206

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20240226

R150 Certificate of patent or registration of utility model

Ref document number: 7445579

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150