CN114630991A - 反射结构、背光模组及显示装置 - Google Patents

反射结构、背光模组及显示装置 Download PDF

Info

Publication number
CN114630991A
CN114630991A CN202080011054.1A CN202080011054A CN114630991A CN 114630991 A CN114630991 A CN 114630991A CN 202080011054 A CN202080011054 A CN 202080011054A CN 114630991 A CN114630991 A CN 114630991A
Authority
CN
China
Prior art keywords
light
reflective structure
light emitting
sidewall
emitted
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.)
Pending
Application number
CN202080011054.1A
Other languages
English (en)
Inventor
黄惠瑜
赖琇怡
萧士晟
蔡叔安
高珮龄
刘益成
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
Original Assignee
Radiant Guangzhou Opto Electronics Co Ltd
Radiant Opto Electronics Corp
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 Radiant Guangzhou Opto Electronics Co Ltd, Radiant Opto Electronics Corp filed Critical Radiant Guangzhou Opto Electronics Co Ltd
Publication of CN114630991A publication Critical patent/CN114630991A/zh
Pending legal-status Critical Current

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
    • G02F1/133605—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
    • G02F1/133603—Direct backlight with LEDs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • 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
    • F21V7/10—Construction

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)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Planar Illumination Modules (AREA)
  • Push-Button Switches (AREA)

Abstract

一种反射结构、背光模组及显示装置。反射结构配置以反射多个发光单元所发出的光线。反射结构包含底部以及多个侧壁部。侧壁部立设于底部上。多个侧壁部分别对应环绕多个发光单元，且每一个发光单元所发出的光线能够射向其所对应的侧壁部的反射面而反射出光。任意两个相邻的侧壁部之间具有间距P，每一个侧壁部具有高度H1，且间距P与高度H1满足不等式，不等式为：
Figure DDA0003181827490000011
θ为每一个发光单元所具有的半光强度发射角的互余角度。

Description

PCT国内申请，说明书已公开。

Claims (14)

  1. PCT国内申请，权利要求书已公开。
CN202080011054.1A 2020-10-10 2020-10-10 反射结构、背光模组及显示装置 Pending CN114630991A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/120146 WO2022073223A1 (zh) 2020-10-10 2020-10-10 反射结构、背光模组及显示装置

Publications (1)

Publication Number Publication Date
CN114630991A true CN114630991A (zh) 2022-06-14

Family

ID=81125611

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202080011054.1A Pending CN114630991A (zh) 2020-10-10 2020-10-10 反射结构、背光模组及显示装置

Country Status (4)

Country Link
US (1) US11719977B2 (zh)
CN (1) CN114630991A (zh)
TW (1) TWI772923B (zh)
WO (1) WO2022073223A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI831356B (zh) * 2022-09-01 2024-02-01 香港商冠捷投資有限公司 背光模組

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101069122A (zh) * 2005-05-26 2007-11-07 Lg伊诺特有限公司 背光组件以及具有这种背光组件的显示装置
TW201143165A (en) * 2010-02-18 2011-12-01 Lg Innotek Co Ltd Light emitting device package and lighting system
CN102287722A (zh) * 2011-09-07 2011-12-21 上海蓝光科技有限公司 直下式背光源模组
CN103548160A (zh) * 2011-03-25 2014-01-29 夏普株式会社 发光装置、照明装置以及显示装置
CN103548161A (zh) * 2011-03-25 2014-01-29 夏普株式会社 发光装置、照明装置以及显示装置
CN103765618A (zh) * 2011-07-06 2014-04-30 夏普株式会社 发光装置和显示装置
CN109698189A (zh) * 2017-10-23 2019-04-30 日亚化学工业株式会社 发光模块及集成型发光模块

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100732267B1 (ko) * 2003-09-29 2007-06-25 마츠시타 덴끼 산교 가부시키가이샤 선형 광원장치 및 그 제조방법, 그리고 면 발광장치
CN201348203Y (zh) * 2009-01-19 2009-11-18 郭奇波 Led反光器
TWI392931B (zh) * 2009-11-09 2013-04-11 Au Optronics Corp 發光裝置
JP5175956B2 (ja) * 2011-07-06 2013-04-03 シャープ株式会社 発光装置および表示装置
US10825970B2 (en) * 2016-02-26 2020-11-03 Epistar Corporation Light-emitting device with wavelength conversion structure
WO2017212589A1 (ja) * 2016-06-08 2017-12-14 堺ディスプレイプロダクト株式会社 光反射デバイスおよび光源デバイス
TWM580691U (zh) * 2018-12-26 2019-07-11 云光科技股份有限公司 Direct type backlight
CN113287060A (zh) * 2019-12-20 2021-08-20 瑞仪光电(苏州)有限公司 光源模块、背光模块及显示设备
WO2021217414A1 (zh) * 2020-04-28 2021-11-04 瑞仪(广州)光电子器件有限公司 光学膜片、背光模组及显示装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101069122A (zh) * 2005-05-26 2007-11-07 Lg伊诺特有限公司 背光组件以及具有这种背光组件的显示装置
TW201143165A (en) * 2010-02-18 2011-12-01 Lg Innotek Co Ltd Light emitting device package and lighting system
CN103548160A (zh) * 2011-03-25 2014-01-29 夏普株式会社 发光装置、照明装置以及显示装置
CN103548161A (zh) * 2011-03-25 2014-01-29 夏普株式会社 发光装置、照明装置以及显示装置
CN103765618A (zh) * 2011-07-06 2014-04-30 夏普株式会社 发光装置和显示装置
CN102287722A (zh) * 2011-09-07 2011-12-21 上海蓝光科技有限公司 直下式背光源模组
CN109698189A (zh) * 2017-10-23 2019-04-30 日亚化学工业株式会社 发光模块及集成型发光模块

Also Published As

Publication number Publication date
US11719977B2 (en) 2023-08-08
WO2022073223A1 (zh) 2022-04-14
TW202215125A (zh) 2022-04-16
US20220137459A1 (en) 2022-05-05
TWI772923B (zh) 2022-08-01

Similar Documents

Publication Publication Date Title
US7582913B2 (en) Lens and LED using the lens to achieve homogeneous illumination
CN104930399B (zh) 面发光装置及液晶显示装置
US7385653B2 (en) LED package and backlight assembly for LCD comprising the same
JP4870950B2 (ja) 光放射用光源ユニット及びそれを用いた面状発光装置
US11320581B2 (en) Backlight module and display device
US20170219883A1 (en) Backlight module and display device
KR20060124831A (ko) 백라이트 어셈블리 및 이를 구비한 액정표시장치
KR20190021522A (ko) 도광체 및 이를 구비하는 백라이트 장치
EP2530375A1 (en) Light guide design for edge-illumination in a backlight unit
JP2006332638A (ja) Ｌｅｄ装置
TW200411271A (en) Light guide plate and back light system with the same
US20160238777A1 (en) Light guide plate ,light source module and display device
TW200413753A (en) Back light module
CN114630991A (zh) 反射结构、背光模组及显示装置
TWI665500B (zh) 光源模組
JP6220250B2 (ja) Ｌｅｄ発光装置
CN212905551U (zh) 反射结构、背光模组及显示装置
CN105739179A (zh) 一种背光模组以及液晶显示器
WO2016184111A1 (zh) 反射组件、背光模组和具有该背光模组的显示设备
CN113287060A (zh) 光源模块、背光模块及显示设备
US9086592B2 (en) Direct illumination type backlight module, bottom reflector and liquid crystal display
CN113359352B (zh) 直下式背光模组及其显示器
KR20150110896A (ko) 백라이트 장치용 확산판 및 이를 구비하는 직하형 백라이트 장치
CN110032003B (zh) 一种发光二极管、背光模组及显示装置
CN109027737B (zh) 一种透镜、灯条、背光模组及显示设备

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination