JP6770319B2 - バックライトユニットおよびこれを含む表示装置 - Google Patents
バックライトユニットおよびこれを含む表示装置 Download PDFInfo
- Publication number
- JP6770319B2 JP6770319B2 JP2016020903A JP2016020903A JP6770319B2 JP 6770319 B2 JP6770319 B2 JP 6770319B2 JP 2016020903 A JP2016020903 A JP 2016020903A JP 2016020903 A JP2016020903 A JP 2016020903A JP 6770319 B2 JP6770319 B2 JP 6770319B2
- Authority
- JP
- Japan
- Prior art keywords
- support
- bottom chassis
- backlight unit
- reflective sheet
- light source
- 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.)
- Expired - Fee Related
Links
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- 239000000758 substrate Substances 0.000 claims description 58
- 239000000853 adhesive Substances 0.000 claims description 8
- 230000001070 adhesive effect Effects 0.000 claims description 8
- 239000004973 liquid crystal related substance Substances 0.000 description 61
- 230000002093 peripheral effect Effects 0.000 description 13
- 238000000149 argon plasma sintering Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- 238000009826 distribution Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 5
- 239000010409 thin film Substances 0.000 description 5
- 230000000630 rising effect Effects 0.000 description 4
- 239000004793 Polystyrene Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004417 polycarbonate Substances 0.000 description 3
- 229920000515 polycarbonate Polymers 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 241001085205 Prenanthella exigua Species 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
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
- G02F1/133603—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
- G02F1/133608—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
- G02F1/1336—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
- G02F1/133611—Direct backlight including means for improving the brightness uniformity
-
- 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
- G02F1/133314—Back frames
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)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
Description
薄膜トランジスタのドレイン端子にはインジウム錫酸化物(ITO)のような透明な導電性物質から形成された画素電極が接続されている。
200 バックライトユニット
210 ボトムシャーシ
210a 底部
210b 翼部
210c 周縁
210d 側壁部
211 基底部
212 溝
214 凹部
215 貫通孔
220 光源部
221 基板
222 光源
223 接続基板
240 支持体
241 支持部
242 支持板
243 掛かり部
250 反射シート
250a 平坦部
250b 翼部
250c 周縁
253 第1孔
254 第2孔
260 光学シート
261 拡散板
262 プリズムシート
263 保護シート
300 モールドフレーム
400 トップシャーシ
Claims (10)
- ボトムシャーシと、
前記ボトムシャーシの上に位置し、光源及び前記光源が実装されている基板を含む光源部と、
前記ボトムシャーシの上に位置する反射シートと、
前記光源および前記反射シートより上に位置する少なくとも一つの光学シートと、
前記ボトムシャーシに固定されており、前記光学シートを支持する支持体と
を含み、
前記支持体は、前記ボトムシャーシに締結される締結部および前記締結部から延びる支持部を含み、
前記締結部は、前記反射シートより下に位置し、
前記締結部は、支持板及び掛かり部を含み、
前記ボトムシャーシは、実質的に平坦な基底部、前記基底部より下に第1深さで窪んでいる溝部、及び前記基底部より下に第2深さで窪んでいる凹部を含み、
前記基板は前記溝部に位置し、前記支持板は前記凹部に位置し、前記溝部の深さが前記凹部の深さより大きいことを特徴とするバックライトユニット。 - 前記支持板は、前記ボトムシャーシと前記反射シートの間に位置し、前記掛かり部は、前記ボトムシャーシを貫通して少なくとも一部が前記ボトムシャーシの下に位置することを特徴とする請求項1に記載のバックライトユニット。
- 前記凹部の深さは、前記支持板の厚さと同一であるか、またはそれより大きいことを特徴とする請求項2に記載のバックライトユニット。
- 前記支持板の上面が前記基底部の上面と同一の高さにあるか、またはそれより下に位置することを特徴とする請求項3に記載のバックライトユニット。
- 前記反射シートは、前記支持部が通過する孔を含むことを特徴とする請求項1に記載のバックライトユニット。
- 前記基板は、前記ボトムシャーシに固定されており、
前記基板は、前記反射シートより下に位置することを特徴とする請求項1に記載のバックライトユニット。 - 前記溝部の深さは、前記基板の厚さと同一であるか、またはそれより大きいことを特徴とする請求項6に記載のバックライトユニット。
- 前記基板の上面が、前記基底部の上面と同一の高さにあるか、またはそれより下に位置することを特徴とする請求項7に記載のバックライトユニット。
- 前記反射シートは、接着剤によって前記基板に取り付けられていることを特徴とする請求項6に記載のバックライトユニット。
- 前記基板に取り付けられ、前記光源を覆うように配置される側面出光レンズをさらに含むことを特徴とする請求項6に記載のバックライトユニット。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2015-0021679 | 2015-02-12 | ||
KR1020150021679A KR102314486B1 (ko) | 2015-02-12 | 2015-02-12 | 백라이트 유닛 및 이를 포함하는 표시 장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016149356A JP2016149356A (ja) | 2016-08-18 |
JP6770319B2 true JP6770319B2 (ja) | 2020-10-14 |
Family
ID=56622161
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016020903A Expired - Fee Related JP6770319B2 (ja) | 2015-02-12 | 2016-02-05 | バックライトユニットおよびこれを含む表示装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20160238895A1 (ja) |
JP (1) | JP6770319B2 (ja) |
KR (1) | KR102314486B1 (ja) |
CN (1) | CN105892144B (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018147272A1 (ja) * | 2017-02-09 | 2018-08-16 | パナソニックIpマネジメント株式会社 | 画像表示装置及びサポートピン |
KR102417731B1 (ko) * | 2017-12-19 | 2022-07-05 | 엘지디스플레이 주식회사 | 백라이트 유닛 및 이를 포함하는 액정표시장치 |
KR102449528B1 (ko) * | 2017-12-20 | 2022-09-29 | 엘지디스플레이 주식회사 | 백라이트 유닛 |
KR102476297B1 (ko) * | 2018-03-07 | 2022-12-09 | 엘지전자 주식회사 | 디스플레이 디바이스 |
KR20200098801A (ko) * | 2019-02-12 | 2020-08-21 | 삼성디스플레이 주식회사 | 전자 장치 |
KR20200117264A (ko) * | 2019-04-03 | 2020-10-14 | 조인셋 주식회사 | 광학 부재 지지용 서포트 |
CN114335304A (zh) | 2020-09-29 | 2022-04-12 | 日亚化学工业株式会社 | 面发光光源以及其制造方法 |
CN112649993A (zh) * | 2020-12-31 | 2021-04-13 | 惠科股份有限公司 | 一种背光灯板的固定结构件及背光灯板 |
CN117083564A (zh) | 2021-08-13 | 2023-11-17 | 三星电子株式会社 | 显示装置 |
KR20230025085A (ko) * | 2021-08-13 | 2023-02-21 | 삼성전자주식회사 | 디스플레이 장치 |
WO2023219182A1 (ko) * | 2022-05-11 | 2023-11-16 | 엘지전자 주식회사 | 백라이트 유닛 및 디스플레이 디바이스 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100959685B1 (ko) * | 2003-10-07 | 2010-05-26 | 엘지디스플레이 주식회사 | 백라이트 고정 어셈블리 |
KR100965183B1 (ko) * | 2003-12-30 | 2010-06-24 | 삼성전자주식회사 | 백라이트 어셈블리 및 이를 갖는 평판표시장치 |
TWI283321B (en) * | 2004-06-18 | 2007-07-01 | Au Optronics Corp | Supporter and LED light-source module using the same |
TWI285074B (en) * | 2004-10-01 | 2007-08-01 | Au Optronics Corp | Supporting cone of bottom-lighting backlight module |
KR100609057B1 (ko) * | 2004-11-17 | 2006-08-09 | 삼성전자주식회사 | 백라이트유닛 |
JP4648070B2 (ja) * | 2005-04-27 | 2011-03-09 | 株式会社 日立ディスプレイズ | 表示装置 |
JP3992726B1 (ja) * | 2006-06-26 | 2007-10-17 | シャープ株式会社 | クリップ及び光源装置 |
KR101405595B1 (ko) * | 2007-12-18 | 2014-06-12 | 엘지이노텍 주식회사 | 발광 모듈 접속 장치 및 이를 구비한 라이트 유닛 |
WO2009110138A1 (ja) * | 2008-03-06 | 2009-09-11 | シャープ株式会社 | 照明装置および表示装置 |
JP5265694B2 (ja) * | 2008-10-14 | 2013-08-14 | シャープ株式会社 | 支持ユニット、バックライトユニット、表示装置、およびテレビ受信装置 |
US20120105739A1 (en) * | 2009-07-21 | 2012-05-03 | Sharp Kabushiki Kaisha | Lens unit, light emitting-module, illumination device, display device and television receiver |
US20130128128A1 (en) * | 2010-07-30 | 2013-05-23 | Sharp Kabushiki Kaisha | Lighting device, display device and television device |
KR101771557B1 (ko) * | 2011-01-05 | 2017-08-25 | 엘지전자 주식회사 | 디스플레이 장치 |
JP2014139870A (ja) * | 2013-01-21 | 2014-07-31 | Hitachi Consumer Electronics Co Ltd | 照明装置およびこれを用いた映像表示装置 |
KR101282029B1 (ko) * | 2013-01-31 | 2013-07-04 | 삼성전자주식회사 | 디스플레이 모듈 및 이를 갖춘 디스플레이 장치 |
-
2015
- 2015-02-12 KR KR1020150021679A patent/KR102314486B1/ko active IP Right Grant
- 2015-12-11 US US14/966,789 patent/US20160238895A1/en not_active Abandoned
-
2016
- 2016-02-05 JP JP2016020903A patent/JP6770319B2/ja not_active Expired - Fee Related
- 2016-02-14 CN CN201610085093.1A patent/CN105892144B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN105892144B (zh) | 2021-07-09 |
JP2016149356A (ja) | 2016-08-18 |
KR102314486B1 (ko) | 2021-10-19 |
CN105892144A (zh) | 2016-08-24 |
KR20160099774A (ko) | 2016-08-23 |
US20160238895A1 (en) | 2016-08-18 |
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