CN113853539A - 光学膜片、背光模组及显示装置 - Google Patents

光学膜片、背光模组及显示装置 Download PDF

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Publication number
CN113853539A
CN113853539A CN202080007083.0A CN202080007083A CN113853539A CN 113853539 A CN113853539 A CN 113853539A CN 202080007083 A CN202080007083 A CN 202080007083A CN 113853539 A CN113853539 A CN 113853539A
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CN
China
Prior art keywords
optical
light
film
optical film
backlight module
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CN202080007083.0A
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English (en)
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CN113853539B (zh
Inventor
张嘉尹
黄柏菖
林坤政
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.)
Radiant Guangzhou Opto Electronics Co Ltd
Radiant Opto Electronics Corp
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Radiant Guangzhou Opto Electronics Co Ltd
Radiant Opto Electronics Corp
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Publication of CN113853539A publication Critical patent/CN113853539A/zh
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    • 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
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • G02B5/045—Prism arrays
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/08—Mirrors
    • G02B5/09—Multifaceted or polygonal mirrors, e.g. polygonal scanning mirrors; Fresnel mirrors
    • 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
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
    • 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
    • G02B6/0053—Prismatic sheet or layer; Brightness enhancement element, sheet or 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
    • 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

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  • 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)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

一种光学膜片、背光模组及显示装置。光学膜片配置以接收并导引光线。光学膜片包括本体及多个光学结构。本体具有出光面、光学面、第一侧面以及第二侧面。出光面与光学面相对，且第一侧面与第二侧面分别连接于出光面与光学面的相对两个侧边。光学结构设置在光学面的第一区上。每一个光学结构具有第一表面及第二表面。第一表面与光学面具有第一夹角。第一表面为受光面。第二表面连接于第一表面。第二表面与光学面具有第二夹角。光学结构的第一夹角沿着第一侧面朝向第二侧面的第一方向渐变。

Description

PCT国内申请，说明书已公开。

Claims (10)

  1. PCT国内申请，权利要求书已公开。
CN202080007083.0A 2020-04-28 2020-04-28 光学膜片、背光模组及显示装置 Active CN113853539B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/087478 WO2021217414A1 (zh) 2020-04-28 2020-04-28 光学膜片、背光模组及显示装置

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CN113853539A true CN113853539A (zh) 2021-12-28
CN113853539B CN113853539B (zh) 2024-03-08

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Country Link
US (1) US11531154B2 (zh)
CN (1) CN113853539B (zh)
TW (1) TWI768354B (zh)
WO (1) WO2021217414A1 (zh)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11086129B2 (en) * 2018-02-21 2021-08-10 Valve Corporation Head-mounted display with narrow angle backlight
CN112015040B (zh) * 2019-05-30 2023-02-03 深圳光峰科技股份有限公司 投影屏幕
CN114630991A (zh) * 2020-10-10 2022-06-14 瑞仪(广州)光电子器件有限公司 反射结构、背光模组及显示装置
CN216748370U (zh) * 2021-12-31 2022-06-14 中强光电股份有限公司 背光模块及显示装置

Citations (13)

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US5575549A (en) * 1994-08-12 1996-11-19 Enplas Corporation Surface light source device
CN1779518A (zh) * 2004-11-18 2006-05-31 清华大学 导光板和背光模组
US20060291238A1 (en) * 2005-06-24 2006-12-28 Epstein Kenneth A Color mixing illumination light unit and system using same
TW200916905A (en) * 2007-10-04 2009-04-16 Ind Tech Res Inst Light guiding film
US20130070477A1 (en) * 2011-09-21 2013-03-21 Minebea Co., Ltd. Spread illuminating apparatus
JP3214997U (ja) * 2017-08-14 2018-02-22 ラディアント オプト−エレクトロニクス（ナンキン）カンパニー リミテッドＲａｄｉａｎｔ Ｏｐｔｏ−Ｅｌｅｃｔｒｏｎｉｃｓ （Ｎａｎｊｉｎｇ） Ｃｏ．， Ｌｔｄ． バックライトモジュール及び表示装置
US20180210243A1 (en) * 2017-01-25 2018-07-26 Young Lighting Technology Inc. Viewing angle switchable display apparatus
US20190004237A1 (en) * 2015-08-12 2019-01-03 Dai Nippon Printing Co., Ltd Optical sheet, surface light source device and display device
JP2019033039A (ja) * 2017-08-09 2019-02-28 大日本印刷株式会社 導光板、面光源装置及び表示装置
CN208580221U (zh) * 2018-08-06 2019-03-05 瑞仪光电股份有限公司 导光板、背光模组及显示装置
US10551551B2 (en) * 2018-01-26 2020-02-04 Optivision Technology Inc. Light guide plate and backlight module having the same
US20200057188A1 (en) * 2018-08-17 2020-02-20 Boe Technology Group Co., Ltd. Light-emitting module and display apparatus
CN111010878A (zh) * 2018-08-06 2020-04-14 瑞仪(广州)光电子器件有限公司 导光板、背光模组及显示装置

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JP3994190B2 (ja) * 2002-03-11 2007-10-17 シチズン電子株式会社 バックライト
TWM299304U (en) 2006-05-10 2006-10-11 Taiwan Nano Electro Opt Tech Improved structure of light guide plate
US7876489B2 (en) * 2006-06-05 2011-01-25 Pixtronix, Inc. Display apparatus with optical cavities
TWM334359U (en) 2007-12-18 2008-06-11 Wintek Corp Back light module and liquid crystal display
TW201133082A (en) * 2010-03-18 2011-10-01 Coretronic Corp Backlight module, stereo display apparatus, and beam splitting film
US20130222768A1 (en) * 2012-02-28 2013-08-29 3M Innovative Properties Company Shaped rear projection screen with shaped fresnel lens sheet
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Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5575549A (en) * 1994-08-12 1996-11-19 Enplas Corporation Surface light source device
CN1779518A (zh) * 2004-11-18 2006-05-31 清华大学 导光板和背光模组
US20060291238A1 (en) * 2005-06-24 2006-12-28 Epstein Kenneth A Color mixing illumination light unit and system using same
TW200916905A (en) * 2007-10-04 2009-04-16 Ind Tech Res Inst Light guiding film
US20130070477A1 (en) * 2011-09-21 2013-03-21 Minebea Co., Ltd. Spread illuminating apparatus
US20190004237A1 (en) * 2015-08-12 2019-01-03 Dai Nippon Printing Co., Ltd Optical sheet, surface light source device and display device
US20180210243A1 (en) * 2017-01-25 2018-07-26 Young Lighting Technology Inc. Viewing angle switchable display apparatus
JP2019033039A (ja) * 2017-08-09 2019-02-28 大日本印刷株式会社 導光板、面光源装置及び表示装置
JP3214997U (ja) * 2017-08-14 2018-02-22 ラディアント オプト−エレクトロニクス（ナンキン）カンパニー リミテッドＲａｄｉａｎｔ Ｏｐｔｏ−Ｅｌｅｃｔｒｏｎｉｃｓ （Ｎａｎｊｉｎｇ） Ｃｏ．， Ｌｔｄ． バックライトモジュール及び表示装置
US10551551B2 (en) * 2018-01-26 2020-02-04 Optivision Technology Inc. Light guide plate and backlight module having the same
CN208580221U (zh) * 2018-08-06 2019-03-05 瑞仪光电股份有限公司 导光板、背光模组及显示装置
CN111010878A (zh) * 2018-08-06 2020-04-14 瑞仪(广州)光电子器件有限公司 导光板、背光模组及显示装置
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Also Published As

Publication number Publication date
US11531154B2 (en) 2022-12-20
TW202141143A (zh) 2021-11-01
TWI768354B (zh) 2022-06-21
WO2021217414A1 (zh) 2021-11-04
US20220035093A1 (en) 2022-02-03
CN113853539B (zh) 2024-03-08

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