CN114072722A - 背光模组和显示装置 - Google Patents

背光模组和显示装置 Download PDF

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Publication number
CN114072722A
CN114072722A CN202080000433.0A CN202080000433A CN114072722A CN 114072722 A CN114072722 A CN 114072722A CN 202080000433 A CN202080000433 A CN 202080000433A CN 114072722 A CN114072722 A CN 114072722A
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China
Prior art keywords
light
quantum dot
light conversion
light emitting
backlight module
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CN202080000433.0A
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CN114072722B (zh
Inventor
汪志强
宋芳玉
马鑫
王秋里
姚建峰
孙川
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BOE Technology Group Co Ltd
Beijing BOE Optoelectronics Technology Co Ltd
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BOE Technology Group Co Ltd
Beijing BOE Optoelectronics Technology Co Ltd
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Publication of CN114072722A publication Critical patent/CN114072722A/zh
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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 
    • G02F1/015—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 semiconductor elements having potential barriers, e.g. having a PN or PIN junction
    • G02F1/017—Structures with periodic or quasi periodic potential variation, e.g. superlattices, quantum wells
    • G02F1/01791—Quantum boxes or quantum dots
    • 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
    • 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
    • G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
    • 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
    • G02F1/133614—Illuminating devices using photoluminescence, e.g. phosphors illuminated by UV or blue light

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)

Abstract

一种背光模组和显示装置，背光模组包括：发光件阵列(10)，发光件阵列(10)包括多个发射蓝光的发光件(11)；设置在发光件阵列(10)的出光侧、且具有中部区域(MA)和边缘区域(EA)的量子点膜片(30)，边缘区域(EA)环绕中部区域(MA)；设置在发光件阵列(10)出光侧的光转换层(40)，光转换层(40)在量子点膜片(30)上的正投影位于量子点膜片(30)的边缘区域(EA)，光转换层(40)的材料包括第一光转换材料和第二光转换材料，第一光转换材料用于在发光件(11)的光线激发下发射红光，第二光转换材料用于在发光件(11)的光线激发下发射绿光。

Description

PCT国内申请，说明书已公开。

Claims (11)

  1. PCT国内申请，权利要求书已公开。
CN202080000433.0A 2020-03-30 2020-03-30 背光模组和显示装置 Active CN114072722B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/081968 WO2021195818A1 (zh) 2020-03-30 2020-03-30 背光模组和显示装置

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CN114072722A true CN114072722A (zh) 2022-02-18
CN114072722B CN114072722B (zh) 2024-04-16

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US (1) US11762235B2 (zh)
CN (1) CN114072722B (zh)
WO (1) WO2021195818A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113156703A (zh) * 2021-04-22 2021-07-23 深圳市华星光电半导体显示技术有限公司 背光模组及量子点显示装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060084006A1 (en) * 2004-10-19 2006-04-20 Kang Tae-Min Donor substrate and fabrication method of organic light emitting display using the same
US20150062963A1 (en) * 2012-03-31 2015-03-05 Noam Meir Illumination system and method for backlighting
US20160027966A1 (en) * 2014-07-25 2016-01-28 Nanosys, Inc. Porous Quantum Dot Carriers
CN105676522A (zh) * 2014-12-09 2016-06-15 三星电子株式会社 显示装置
CN106292057A (zh) * 2015-06-24 2017-01-04 乐金显示有限公司 包括边界荧光结构体的液晶显示装置
US20180107063A1 (en) * 2016-10-17 2018-04-19 Innolux Corporation Display device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101851726B1 (ko) * 2011-11-23 2018-04-24 엘지이노텍 주식회사 표시장치
US20130335677A1 (en) * 2012-06-15 2013-12-19 Apple Inc. Quantum Dot-Enhanced Display Having Dichroic Filter
KR20160042226A (ko) 2014-10-07 2016-04-19 엘지디스플레이 주식회사 백라이트 유닛 및 이를 구비한 액정표시장치
CN105892146B (zh) 2016-05-23 2020-01-21 青岛海信电器股份有限公司 背光模组及显示装置
CN106569363A (zh) 2016-10-21 2017-04-19 青岛海信电器股份有限公司 一种背光模组及制作方法
CN110389470A (zh) 2018-04-19 2019-10-29 鸿富锦精密工业（深圳）有限公司 背光结构和显示装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060084006A1 (en) * 2004-10-19 2006-04-20 Kang Tae-Min Donor substrate and fabrication method of organic light emitting display using the same
CN1769066A (zh) * 2004-10-19 2006-05-10 三星Sdi株式会社 供体基板及利用其制造有机发光显示器的方法
US20150062963A1 (en) * 2012-03-31 2015-03-05 Noam Meir Illumination system and method for backlighting
US20160027966A1 (en) * 2014-07-25 2016-01-28 Nanosys, Inc. Porous Quantum Dot Carriers
CN105676522A (zh) * 2014-12-09 2016-06-15 三星电子株式会社 显示装置
CN106292057A (zh) * 2015-06-24 2017-01-04 乐金显示有限公司 包括边界荧光结构体的液晶显示装置
US20180107063A1 (en) * 2016-10-17 2018-04-19 Innolux Corporation Display device

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Publication number Publication date
CN114072722B (zh) 2024-04-16
US20220113590A1 (en) 2022-04-14
WO2021195818A1 (zh) 2021-10-07
US11762235B2 (en) 2023-09-19

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