TWI867372B - 光擴散片、背光單元、液晶顯示裝置、資訊機器以及背光單元的製造方法 - Google Patents

光擴散片、背光單元、液晶顯示裝置、資訊機器以及背光單元的製造方法 Download PDF

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Publication number
TWI867372B
TWI867372B TW111145104A TW111145104A TWI867372B TW I867372 B TWI867372 B TW I867372B TW 111145104 A TW111145104 A TW 111145104A TW 111145104 A TW111145104 A TW 111145104A TW I867372 B TWI867372 B TW I867372B
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TW
Taiwan
Prior art keywords
light
backlight unit
light diffusion
diffusion sheet
sheet
Prior art date
Application number
TW111145104A
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English (en)
Chinese (zh)
Other versions
TW202336515A (zh
Inventor
蔡承亨
Original Assignee
日商惠和股份有限公司
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 日商惠和股份有限公司 filed Critical 日商惠和股份有限公司
Publication of TW202336515A publication Critical patent/TW202336515A/zh
Application granted granted Critical
Publication of TWI867372B publication Critical patent/TWI867372B/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
    • 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
    • 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
    • F21V5/02—Refractors for light sources of prismatic shape
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • 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
    • 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
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • 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
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/30—Semiconductor lasers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)
  • Optical Elements Other Than Lenses (AREA)
TW111145104A 2022-03-09 2022-11-25 光擴散片、背光單元、液晶顯示裝置、資訊機器以及背光單元的製造方法 TWI867372B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2022035936A JP7275341B1 (ja) 2022-03-09 2022-03-09 光拡散シート、バックライトユニット、液晶表示装置、情報機器、及びバックライトユニットの製造方法
JP2022-035936 2022-03-09

Publications (2)

Publication Number Publication Date
TW202336515A TW202336515A (zh) 2023-09-16
TWI867372B true TWI867372B (zh) 2024-12-21

Family

ID=86332446

Family Applications (3)

Application Number Title Priority Date Filing Date
TW111145104A TWI867372B (zh) 2022-03-09 2022-11-25 光擴散片、背光單元、液晶顯示裝置、資訊機器以及背光單元的製造方法
TW114117079A TW202532945A (zh) 2022-03-09 2022-11-25 光擴散片、背光單元、液晶顯示裝置、資訊機器以及背光單元的製造方法
TW113117825A TWI882803B (zh) 2022-03-09 2022-11-25 光擴散片、背光單元、液晶顯示裝置、資訊機器以及背光單元的製造方法

Family Applications After (2)

Application Number Title Priority Date Filing Date
TW114117079A TW202532945A (zh) 2022-03-09 2022-11-25 光擴散片、背光單元、液晶顯示裝置、資訊機器以及背光單元的製造方法
TW113117825A TWI882803B (zh) 2022-03-09 2022-11-25 光擴散片、背光單元、液晶顯示裝置、資訊機器以及背光單元的製造方法

Country Status (3)

Country Link
JP (2) JP7275341B1 (https=)
TW (3) TWI867372B (https=)
WO (1) WO2023171036A1 (https=)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW200725116A (en) * 2005-09-15 2007-07-01 Zeon Corp Direct type back-light device
CN101410668A (zh) * 2006-03-31 2009-04-15 日本瑞翁株式会社 正下型背光装置
JP2012043671A (ja) * 2010-08-20 2012-03-01 Nippon Shokubai Co Ltd 面状光源装置
JP2012234047A (ja) * 2011-04-28 2012-11-29 Nippon Shokubai Co Ltd 光学シート、及び該光学シートを用いた面状光源装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8016446B2 (en) * 2008-07-04 2011-09-13 Hon Hai Precision Industry Co., Ltd. Optical plate and backlight module using the same
TW201017230A (en) * 2008-07-18 2010-05-01 Sumitomo Chemical Co Light beam deflection structure plate and surface light source device and liquid crystal display device
WO2010010840A1 (ja) * 2008-07-22 2010-01-28 日本ゼオン株式会社 光拡散板、光拡散板の製造方法、面光源装置、及び表示装置
KR20100054700A (ko) * 2008-11-14 2010-05-25 엘지디스플레이 주식회사 백라이트 유닛
JP2011129277A (ja) 2009-12-15 2011-06-30 Toppan Printing Co Ltd バックライトユニット及びディスプレイ装置
JP2012195220A (ja) * 2011-03-17 2012-10-11 Enplas Corp 面光源装置
TWI662303B (zh) * 2018-11-29 2019-06-11 友達光電股份有限公司 背光模組
JP7037624B2 (ja) * 2020-03-30 2022-03-16 恵和株式会社 光学シート、バックライトユニット、液晶表示装置及び情報機器
CN115053152B (zh) * 2020-03-31 2025-03-25 大日本印刷株式会社 漫射部件、面光源装置和显示装置
JP7160863B2 (ja) * 2020-06-26 2022-10-25 日亜化学工業株式会社 表示装置及び光拡散シート積層体
CN113156550A (zh) * 2021-03-19 2021-07-23 苏州维旺科技有限公司 一种Mini LED匀光片及其制备工艺、背光模组

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW200725116A (en) * 2005-09-15 2007-07-01 Zeon Corp Direct type back-light device
CN101410668A (zh) * 2006-03-31 2009-04-15 日本瑞翁株式会社 正下型背光装置
JP2012043671A (ja) * 2010-08-20 2012-03-01 Nippon Shokubai Co Ltd 面状光源装置
JP2012234047A (ja) * 2011-04-28 2012-11-29 Nippon Shokubai Co Ltd 光学シート、及び該光学シートを用いた面状光源装置

Also Published As

Publication number Publication date
TWI882803B (zh) 2025-05-01
TW202336515A (zh) 2023-09-16
TW202434968A (zh) 2024-09-01
JP2023131284A (ja) 2023-09-22
JP7275341B1 (ja) 2023-05-17
TW202532945A (zh) 2025-08-16
WO2023171036A1 (ja) 2023-09-14
JP2023133282A (ja) 2023-09-22

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