WO2016101372A1 - 液晶面板与背光模组定位胶结构及显示器 - Google Patents

液晶面板与背光模组定位胶结构及显示器 Download PDF

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Publication number
WO2016101372A1
WO2016101372A1 PCT/CN2015/070914 CN2015070914W WO2016101372A1 WO 2016101372 A1 WO2016101372 A1 WO 2016101372A1 CN 2015070914 W CN2015070914 W CN 2015070914W WO 2016101372 A1 WO2016101372 A1 WO 2016101372A1
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WO
WIPO (PCT)
Prior art keywords
light
backlight module
liquid crystal
layer
optical film
Prior art date
Application number
PCT/CN2015/070914
Other languages
English (en)
French (fr)
Chinese (zh)
Inventor
周革革
Original Assignee
深圳市华星光电技术有限公司
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 深圳市华星光电技术有限公司 filed Critical 深圳市华星光电技术有限公司
Priority to US14/431,035 priority Critical patent/US9297948B1/en
Priority to JP2017533457A priority patent/JP6423966B2/ja
Priority to KR1020177017973A priority patent/KR101994014B1/ko
Priority to GB1710137.9A priority patent/GB2549636B/en
Publication of WO2016101372A1 publication Critical patent/WO2016101372A1/zh

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Classifications

    • 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
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0086—Positioning aspects
    • 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
    • G02F1/133608—Direct backlight including particular frames or supporting means
    • 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
    • G02F1/133509—Filters, e.g. light shielding masks
    • G02F1/133512—Light shielding layers, e.g. black matrix
    • 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
    • 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
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133317—Intermediate frames, e.g. between backlight housing and front frame
    • 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
    • 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
    • G02F2202/00—Materials and properties
    • G02F2202/28—Adhesive materials or arrangements

Definitions

  • the present invention relates to the field of liquid crystal display technology, and in particular, to a liquid crystal panel and a backlight module positioning adhesive structure and a display.
  • a liquid crystal display device has been widely used as a display component of an electronic device in various electronic products.
  • the frame of the electronic device is designed to be narrower and narrower.
  • the backlight module is an important component in the liquid crystal display device, and the frame of the backlight module is also required to be narrower and narrower.
  • the backlight modules of the prior art each include a plastic frame, and the light guide plate is surrounded by the plastic frame, and the optical film is fixed on the light guide plate and the plastic frame by positioning the light-shielding paint strip.
  • the liquid crystal panel is positioned on the positioning light-shielding double-sided tape of the backlight unit, and the width of the black double-sided tape is just located at a position that is invisible to the human eye, that is, the position of the light emission is narrower as the width of the frame of the liquid crystal module becomes narrower, and the positioning is blocked.
  • the width of the paint strip is also narrower and narrower, resulting in a weaker positioning strength between the positioning shading paint strip and the optical film, and the diaphragm positioning is unreliable.
  • the width of the positioning shading paint strip cannot be narrowed indefinitely, so that the human eye can see the black edge of the backlight unit through the liquid crystal panel, which affects the light transmission quality of the entire liquid crystal panel.
  • An object of the present invention is to provide a liquid crystal panel and a backlight module positioning adhesive structure and a display, so that the liquid crystal panel and the display have a narrow frame without affecting the light transmission quality.
  • the present invention provides a liquid crystal panel and a backlight module positioning adhesive structure.
  • the backlight module includes a reflective sheet, a plastic frame, a light guide plate and an optical film.
  • the reflective sheet, the light guide plate and the optical film are sequentially stacked.
  • the plastic frame surrounds the retroreflective sheeting, the light guiding plate and the optical film, the backlight module further comprises a double-sided tape, the double-sided tape comprises a first layer and a second layer superposed on the first layer,
  • the second layer includes a light shielding portion and a light transmitting portion connected to the light shielding portion, the double-sided tape is attached to the liquid crystal panel and the backlight module, and the light shielding portion is located at an edge of the optical film and the position of the plastic frame
  • the light transmitting portion extends toward the light transmitting portion of the optical film.
  • the plastic frame comprises a side wall, and the surface on the same horizontal plane as the optical film is an upper surface of the side wall, and the first layer of the double-sided tape is attached to the upper surface of the plastic frame and the optical film On the edge.
  • the second layer is pasted with the liquid crystal panel.
  • the light shielding portion of the double-sided tape is a black light-shielding paint
  • the light-transmitting portion is an optically-treated light-transmitting glue
  • the backlight module further includes a back plate, the back plate includes a bottom plate and a side plate, the reflective sheet is disposed between the bottom plate and the light guide plate, and the double-sided adhesive portion is pasted with the side plate .
  • the outer surfaces of the first layer and the second layer are provided with a transparent colloid.
  • the present invention further provides a display comprising a backlight module and a liquid crystal panel, the liquid crystal panel comprising a bezel area and a light transmissive area, the backlight module comprising a reflective sheet, a plastic frame, a light guide plate and an optical film, The reflective sheet, the light guide plate and the optical film are sequentially stacked, the plastic frame surrounds the reflective sheet, the light guide plate and the optical film, the backlight module further comprises a double-sided tape, and the double-sided tape comprises a first layer And a second layer superposed on the first layer, the second layer includes a light shielding portion and a light transmitting portion connected to the light shielding portion, the double-sided tape is attached to the frame region of the liquid crystal panel and the backlight module, The light shielding portion is located at an edge of the optical film and the plastic frame, and the light transmitting portion extends toward the light transmitting portion of the optical film, and the length of the double-sided tape is the same as the width of the frame region.
  • the second layer is pasted with the frame area of the liquid crystal panel, and the light transmissive portion is located on the frame area and adjacent to a boundary line between the frame area and the light transmission area.
  • the plastic frame comprises a side wall, and the surface at the same horizontal plane as the optical film is an upper surface of the side wall, and the first layer of the double-sided tape is attached to the upper surface of the plastic frame and the edge of the optical film on.
  • the light shielding portion of the double-sided tape is a black light-shielding paint
  • the light-transmitting portion is an optically-treated light-transmitting glue
  • the second layer is pasted with the liquid crystal panel.
  • the backlight module further includes a backboard, and the backboard includes a bottom plate and a side plate, and the reflective sheet And being mounted between the bottom plate and the light guide plate, and the double-sided adhesive portion is pasted with the side plate.
  • the outer surfaces of the first layer and the second layer are provided with a transparent colloid.
  • the double-sided tape of the backlight module positioning adhesive structure of the present invention comprises a light shielding portion and a light transmitting portion.
  • the entire double-sided tape can be adhered to the frame of the liquid crystal panel and the edge of the plastic frame of the backlight module corresponding to the frame area, and the double-sided tape is enhanced to the backlight module and the liquid crystal panel.
  • the bonding force is used to avoid the quality of the backlight module and the liquid crystal panel during assembly and testing.
  • the light transmissive portion can also pass light through the fastest light guide plate while ensuring the function of the paste, thereby ensuring the liquid crystal panel.
  • the light intensity also achieves the effect of a narrow border.
  • FIG. 1 is a schematic cross-sectional view of a display of the present invention, including a backlight module positioning adhesive structure of the present invention.
  • FIG. 2 is a schematic view showing the double-sided adhesive structure of the positioning module of the backlight module of FIG.
  • a preferred embodiment of the present invention provides a liquid crystal panel 20 and a backlight module positioning adhesive structure.
  • the liquid crystal panel 20 includes a bezel area 21 and a light transmissive area 22 .
  • the bezel area 21 is disposed around the light transmissive area 22.
  • the backlight module 10 includes a retroreflective sheeting 12 , a plastic frame 13 , a light guide plate 15 , and an optical film 17 .
  • the retroreflective sheeting 12 , the light guide plate 15 and the optical film 16 are sequentially stacked, and the plastic frame 13 surrounds the retroreflective sheeting 12 , the light guiding plate 15 and the optical film 16 .
  • the backlight module further includes a double-sided tape 18, and the double-sided tape 18 includes a first layer 181 and a second layer 182 superposed on the first layer 181.
  • the second layer 182 includes a light shielding portion 183 and a light transmitting portion 185 connected to the light shielding portion 183.
  • the double-sided tape 18 is attached to the liquid crystal panel 20 and the backlight module 10, and the light shielding portion 183 is located at the edge of the optical film 17 and the position of the plastic frame 13.
  • the optical film 17 has a light transmitting portion extending.
  • the length of the double-sided tape 18 is the same as the width of the frame region 21.
  • the surfaces of the first layer 181 and the second layer 182 are coated with a transparent colloid for realizing the adhesive function of the double-sided tape.
  • the backplane 11 includes a bottom plate 111 and a side plate 112.
  • the bottom plate 111 and the side plate 112 enclose a receiving space for receiving the plastic frame 13, the light guide plate 15 and the optical film 17 .
  • the retroreflective sheeting 12 is disposed between the bottom plate 111 and the light guide plate 15, and the double-sided tape 18 is partially adhered to the side plate 112.
  • the plastic frame 13 includes a sidewall 131, and the surface on the same horizontal plane as the optical film 17 is the upper surface of the sidewall 131 (not labeled), and the first layer 181 of the double-sided tape 18 is attached. On the upper surface of the plastic frame 13 and on the edge of the optical film 17. In this embodiment, the first layer 181 is a transparent layer.
  • the second layer 182 is pasted with the liquid crystal panel 20.
  • the second layer 182 is pasted with the frame region 21 of the liquid crystal panel 20, and the light transmitting portion 185 is located on the frame region 21, and adjacent to the frame region 21 and the light transmitting region 22 The dividing line.
  • the length of the double-sided tape 18 is the same as the width of the frame region 21, and the light transmitting portion 185 extends from the light shielding portion 183 to a boundary position between the frame region 21 and the light transmitting region 22.
  • the light shielding portion 183 of the double-sided tape 18 is a black shading paint.
  • the light transmitting portion 185 is an optically processed light transmitting glue. When light is incident on the optical film 17 from the liquid crystal panel, the oblique light may pass through the transparent portion 185 and may enter the optical film 17 and enter the light guide plate 15 without affecting the light. Entry and exit.
  • a position of the outer surface of the first layer 181 opposite to the light shielding portion 183 is coated with a black light-shielding paint layer, and a transparent gel is disposed outside the black light-shielding paint layer.
  • the double-sided tape 18 of the backlight module positioning adhesive structure of the present invention comprises a light shielding portion 183 and a light transmitting portion 185.
  • the double-sided tape 18 can be adhered to the frame 13 of the liquid crystal panel and the edge of the plastic frame 13 and the optical film 17 of the backlight module 10 corresponding to the frame area 21, and the double-sided tape 18 is reinforced.
  • the bonding force of the backlight module 10 and the liquid crystal panel 20 prevents the quality of the backlight module and the liquid crystal panel from being affected during assembly and testing.
  • the light transmitting portion 185 can also pass light while having a pasting function.
  • the light guide plate 15 reflects the light intensity of the liquid crystal panel 20. Furthermore, the naked eye is from the LCD screen It seems that the light transmitting portion 183 is not visible, and the technical effect of the narrow bezel is achieved.

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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)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)
PCT/CN2015/070914 2014-12-24 2015-01-16 液晶面板与背光模组定位胶结构及显示器 WO2016101372A1 (zh)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US14/431,035 US9297948B1 (en) 2015-01-16 2015-01-16 Liquid crystal panel and backlight module positioning adhesive structure and display device
JP2017533457A JP6423966B2 (ja) 2014-12-24 2015-01-16 液晶パネルとバックライトモジュール位置決め接着構造及び表示装置
KR1020177017973A KR101994014B1 (ko) 2014-12-24 2015-01-16 액정 패널 및 백라이트 모듈 위치설정 접착 구조체와 디스플레이 장치
GB1710137.9A GB2549636B (en) 2014-12-24 2015-01-16 Liquid crystal panel, backlight module positioning adhesive structure and display

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201410819628.4 2014-12-24
CN201410819628.4A CN104570476B (zh) 2014-12-24 2014-12-24 液晶面板与背光模组定位胶结构及显示器

Publications (1)

Publication Number Publication Date
WO2016101372A1 true WO2016101372A1 (zh) 2016-06-30

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Family Applications (1)

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PCT/CN2015/070914 WO2016101372A1 (zh) 2014-12-24 2015-01-16 液晶面板与背光模组定位胶结构及显示器

Country Status (5)

Country Link
JP (1) JP6423966B2 (ja)
KR (1) KR101994014B1 (ja)
CN (1) CN104570476B (ja)
GB (1) GB2549636B (ja)
WO (1) WO2016101372A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110488523A (zh) * 2019-08-13 2019-11-22 武汉恒生光电产业有限公司 液晶显示器及其安装方法
CN113126365A (zh) * 2020-01-15 2021-07-16 RealMe重庆移动通信有限公司 电子设备及其液晶显示组件

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CN104834113B (zh) * 2015-04-29 2018-01-16 武汉华星光电技术有限公司 一种窄边框液晶显示模组
CN105301848A (zh) * 2015-11-18 2016-02-03 苏州珏美光电材料科技有限公司 液晶显示装置
JP2017198854A (ja) * 2016-04-27 2017-11-02 株式会社ジャパンディスプレイ 照明装置及び液晶表示装置
CN110389468A (zh) * 2018-04-17 2019-10-29 宸盛光电有限公司 背光模块及其显示装置
CN110501843A (zh) * 2019-08-19 2019-11-26 Oppo（重庆）智能科技有限公司 背光模组和具有其的电子设备
KR20230065438A (ko) * 2021-11-04 2023-05-12 삼성디스플레이 주식회사 표시 장치 및 그것을 포함하는 전자 장치

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JP2006010931A (ja) * 2004-06-24 2006-01-12 Dainippon Ink & Chem Inc 両面粘着テープとこれを用いた液晶表示モジュールユニット
JP2008203444A (ja) * 2007-02-19 2008-09-04 Seiko Instruments Inc 液晶表示装置
CN201066421Y (zh) * 2007-07-05 2008-05-28 比亚迪股份有限公司 可防止漏光的背光模组及液晶显示器
CN101271222A (zh) * 2007-12-10 2008-09-24 普胜科技电子（昆山）有限公司 一种三层复合式光学膜片
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110488523A (zh) * 2019-08-13 2019-11-22 武汉恒生光电产业有限公司 液晶显示器及其安装方法
CN113126365A (zh) * 2020-01-15 2021-07-16 RealMe重庆移动通信有限公司 电子设备及其液晶显示组件
CN113126365B (zh) * 2020-01-15 2022-11-08 RealMe重庆移动通信有限公司 电子设备及其液晶显示组件

Also Published As

Publication number Publication date
KR20170092622A (ko) 2017-08-11
JP2018501517A (ja) 2018-01-18
GB201710137D0 (en) 2017-08-09
JP6423966B2 (ja) 2018-11-14
GB2549636B (en) 2021-01-27
KR101994014B1 (ko) 2019-06-27
CN104570476B (zh) 2017-06-16
CN104570476A (zh) 2015-04-29
GB2549636A (en) 2017-10-25

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