JP7656702B2 - バックライトモジュール及びディスプレイ画面 - Google Patents
バックライトモジュール及びディスプレイ画面 Download PDFInfo
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- JP7656702B2 JP7656702B2 JP2023532468A JP2023532468A JP7656702B2 JP 7656702 B2 JP7656702 B2 JP 7656702B2 JP 2023532468 A JP2023532468 A JP 2023532468A JP 2023532468 A JP2023532468 A JP 2023532468A JP 7656702 B2 JP7656702 B2 JP 7656702B2
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- light
- light source
- reflective film
- backlight module
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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
- G02F1/13—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
-
- 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
-
- 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
- G02F1/133609—Direct backlight including means for improving the color mixing, e.g. white
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/85—Packages
- H10H20/855—Optical field-shaping means, e.g. lenses
- H10H20/856—Reflecting means
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- 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)
- Led Device Packages (AREA)
Description
本出願は、2020年11月30日に中国国家知識産権局に出願された「BACKLIGHT MODULE AND DISPLAY SCREEN」と題された中国特許出願第202011384672.9号に対する優先権を主張しており、その全体が参照により本明細書に組み込まれている。
本出願は、ディスプレイ装置技術の分野に関し、特にバックライトモジュール及びディスプレイ画面に関する。
Claims (11)
- バックライトモジュールであって、
アレイ状に配置された複数の発光領域を有する基板と、
前記複数の発光領域に1対1の対応で配置される複数の光源アセンブリと、を備え、
各光源アセンブリは、アレイ状に配置された複数の光源部材を備え、各光源部材は、発光ユニットと、反射フィルムとを備え、前記反射フィルムは、テーパー面であり、前記反射フィルムのテーパー先端が、前記発光ユニットの上部発光面に面するよう配置され、前記反射フィルムは、前記発光ユニットの上部から放出された光を反射するよう構成され、
各光源アセンブリは、前記光源部材が配置される発光領域の中心に向かって、前記反射フィルムによって反射される光の割合が、前記光源部材が配置される前記発光領域の中心から端への方向に徐々に増加するように構成される、
バックライトモジュール。 - 各光源アセンブリは、前記発光ユニットの中心線と、前記反射フィルムの前記テーパー先端が位置し、かつ前記基板の厚さ方向に前記基板を通る直線との間の距離が、前記発光領域の中心から離れる方向に徐々に大きくなるように構成され、前記発光ユニットの前記中心線は、前記基板の前記厚さ方向に前記発光ユニットの中心を通る直線である、
請求項1に記載のバックライトモジュール。 - 前記発光領域の中心線と、前記反射フィルムのテーパー先端が位置し、かつ前記基板の厚さ方向に前記基板を通る直線との間の距離が第1距離であり、前記発光領域の前記中心線と、前記反射フィルムに対応する前記発光ユニットの前記中心線との間の距離が第2距離である場合、前記第1距離は前記第2距離より大きく、前記発光領域の前記中心線は、前記基板の前記厚さ方向に前記発光領域の中心を通る直線である、
請求項2に記載のバックライトモジュール。 - 第1平面における前記反射フィルムの前記テーパー先端の突起と、前記第1平面における前記発光領域の中心の突起との間の接続線が第1接続線であり、前記反射フィルムに対応する前記発光ユニットの前記中心線は第1接続線と交差し、前記第1平面は前記基板の表面と平行である、
請求項2又は3に記載のバックライトモジュール。 - 複数の光透過孔が前記反射フィルムに設けられる、
請求項1乃至4のいずれかに一項に記載のバックライトモジュール。 - 前記複数の光透過孔が前記反射フィルムに均等に配置される、
請求項5に記載のバックライトモジュール。 - 前記反射フィルムは、透明接着剤を使用することにより、前記発光ユニットの前記上部発光面に接着される、
請求項1乃至6のいずれかに一項に記載のバックライトモジュール。 - 各光源部材は、前記反射フィルムを覆う平坦層を更に含む、
請求項1乃至7のいずれか一項に記載のバックライトモジュール。 - 拡散フィルム及びプリズム輝度増強フィルムを更に備え、前記拡散フィルム及び前記プリズム輝度増強フィルムは、積み重ねて配置され、前記拡散フィルムは、前記プリズム輝度増強フィルムよりも前記複数の光源アセンブリに近い、
請求項1乃至8のいずれか一項に記載のバックライトモジュール。 - 各発光領域は、ディスプレイ画面のディスプレイ層の表示領域と一対一の対応である、
請求項1乃至9のいずれか一項に記載のバックライトモジュール。 - 請求項1乃至9のいずれか一項に記載のバックライトモジュールを備え、液晶層及びバックライトモジュールが積み重ねられる、ディスプレイ画面。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011384672.9 | 2020-11-30 | ||
| CN202011384672.9A CN114578614B (zh) | 2020-11-30 | 2020-11-30 | 一种背光模组及显示屏 |
| PCT/CN2021/133915 WO2022111679A1 (zh) | 2020-11-30 | 2021-11-29 | 一种背光模组及显示屏 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2023552154A JP2023552154A (ja) | 2023-12-14 |
| JP7656702B2 true JP7656702B2 (ja) | 2025-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2023532468A Active JP7656702B2 (ja) | 2020-11-30 | 2021-11-29 | バックライトモジュール及びディスプレイ画面 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US11914247B2 (ja) |
| EP (1) | EP4231088B1 (ja) |
| JP (1) | JP7656702B2 (ja) |
| KR (1) | KR102800687B1 (ja) |
| CN (1) | CN114578614B (ja) |
| WO (1) | WO2022111679A1 (ja) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114967238B (zh) * | 2022-07-26 | 2023-01-03 | 惠科股份有限公司 | 显示装置和背光模组及其控制方法 |
| CN115407561B (zh) * | 2022-09-22 | 2024-08-02 | 上海天马微电子有限公司 | 分光膜、背光模组及显示装置 |
| CN116699904B (zh) * | 2023-06-19 | 2025-10-17 | 厦门天马微电子有限公司 | 一种显示模组及显示装置 |
| CN116794883B (zh) * | 2023-06-29 | 2025-05-13 | 厦门天马微电子有限公司 | 显示模组及显示装置 |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005275013A (ja) | 2004-03-25 | 2005-10-06 | Toppan Printing Co Ltd | カラーフィルタの修正方法及び修正装置 |
| US20070147081A1 (en) | 2005-12-26 | 2007-06-28 | Lg.Philips Lcd Co. Ltd. | Blacklight unit, liquid crystal display device having the same, and method for providing substantially white light for liquid crystal display device |
| US20120250350A1 (en) | 2011-03-30 | 2012-10-04 | Mangeun Kim | Display apparatus |
| JP2013171767A (ja) | 2012-02-22 | 2013-09-02 | Sharp Corp | Ledバックライトモジュール |
| JP2015176780A (ja) | 2014-03-17 | 2015-10-05 | Nltテクノロジー株式会社 | 面発光装置及び液晶表示装置 |
| CN109427758A (zh) | 2017-08-31 | 2019-03-05 | 日亚化学工业株式会社 | 发光装置 |
| JP2019046789A (ja) | 2017-08-31 | 2019-03-22 | 日亜化学工業株式会社 | 発光装置 |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4172843B2 (ja) * | 1998-05-18 | 2008-10-29 | スリーエム カンパニー | 反射フィルム及び発光装置 |
| JP2000315056A (ja) * | 1999-03-02 | 2000-11-14 | Matsushita Electric Ind Co Ltd | 照明装置及びその照明装置を備えた表示装置 |
| US7118262B2 (en) * | 2004-07-23 | 2006-10-10 | Cree, Inc. | Reflective optical elements for semiconductor light emitting devices |
| KR100649640B1 (ko) * | 2005-02-03 | 2006-11-27 | 삼성전기주식회사 | 측면 방출형 발광다이오드 패키지 |
| CN100434991C (zh) * | 2005-09-08 | 2008-11-19 | 财团法人工业技术研究院 | 条状侧射式光导结构与面光源模块 |
| CN1949047A (zh) * | 2005-10-14 | 2007-04-18 | 鸿富锦精密工业(深圳)有限公司 | 导光板和背光模组 |
| CN101150159B (zh) * | 2006-09-22 | 2011-05-11 | 鸿富锦精密工业(深圳)有限公司 | 发光二极管及其透镜体 |
| CN101349397A (zh) * | 2007-07-20 | 2009-01-21 | 深圳大学 | 一种背光系统及其微结构反射片 |
| KR101255280B1 (ko) * | 2008-02-22 | 2013-04-15 | 엘지디스플레이 주식회사 | 백라이트 유닛 |
| US8297786B2 (en) * | 2008-07-10 | 2012-10-30 | Oree, Inc. | Slim waveguide coupling apparatus and method |
| CN101839445B (zh) * | 2009-03-20 | 2013-03-27 | 上海向隆电子科技有限公司 | 背光模块中导光板的区段导光结构 |
| CN201593724U (zh) * | 2009-12-05 | 2010-09-29 | 金芃 | Led背光源的采用带有凹部的直下式导光板的发光元件 |
| CN201599653U (zh) * | 2009-12-07 | 2010-10-06 | 金芃 | Led背光源的采用带有反光物体阵列的直下式导光板的发光元件 |
| KR20120075317A (ko) * | 2010-12-28 | 2012-07-06 | 엘지전자 주식회사 | 디스플레이 장치 |
| KR101239835B1 (ko) * | 2011-04-19 | 2013-03-06 | 한국광기술원 | 지향성 발광 패턴을 갖는 발광 다이오드 패키지 및 이를 이용한 액정 디스플레이 장치 |
| KR101957184B1 (ko) * | 2011-12-02 | 2019-03-13 | 엘지전자 주식회사 | 백라이트 유닛 및 그를 구비한 디스플레이 장치 |
| CN104712957A (zh) * | 2013-12-16 | 2015-06-17 | 富泰华精密电子(郑州)有限公司 | 直下式背光模组 |
| CN106773315B (zh) * | 2017-01-13 | 2020-05-19 | 深圳市华星光电技术有限公司 | 背光模组及液晶显示器 |
| KR20190087069A (ko) * | 2018-01-16 | 2019-07-24 | 서울바이오시스 주식회사 | 발광 소자 장치 및 이를 포함하는 백라이트 유닛 |
| JP7177331B2 (ja) * | 2018-06-29 | 2022-11-24 | 日亜化学工業株式会社 | 発光装置 |
| CN109445180B (zh) * | 2018-10-31 | 2022-06-10 | 厦门天马微电子有限公司 | 一种背光模组及显示装置 |
| CN110646983A (zh) * | 2019-10-09 | 2020-01-03 | 深圳市隆利科技股份有限公司 | 面光源的背光装置及显示设备 |
-
2020
- 2020-11-30 CN CN202011384672.9A patent/CN114578614B/zh active Active
-
2021
- 2021-11-29 KR KR1020237020113A patent/KR102800687B1/ko active Active
- 2021-11-29 WO PCT/CN2021/133915 patent/WO2022111679A1/zh not_active Ceased
- 2021-11-29 JP JP2023532468A patent/JP7656702B2/ja active Active
- 2021-11-29 EP EP21897179.4A patent/EP4231088B1/en active Active
-
2023
- 2023-05-26 US US18/324,522 patent/US11914247B2/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005275013A (ja) | 2004-03-25 | 2005-10-06 | Toppan Printing Co Ltd | カラーフィルタの修正方法及び修正装置 |
| US20070147081A1 (en) | 2005-12-26 | 2007-06-28 | Lg.Philips Lcd Co. Ltd. | Blacklight unit, liquid crystal display device having the same, and method for providing substantially white light for liquid crystal display device |
| US20120250350A1 (en) | 2011-03-30 | 2012-10-04 | Mangeun Kim | Display apparatus |
| JP2013171767A (ja) | 2012-02-22 | 2013-09-02 | Sharp Corp | Ledバックライトモジュール |
| JP2015176780A (ja) | 2014-03-17 | 2015-10-05 | Nltテクノロジー株式会社 | 面発光装置及び液晶表示装置 |
| CN109427758A (zh) | 2017-08-31 | 2019-03-05 | 日亚化学工业株式会社 | 发光装置 |
| JP2019046789A (ja) | 2017-08-31 | 2019-03-22 | 日亜化学工業株式会社 | 発光装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| US11914247B2 (en) | 2024-02-27 |
| KR20230101916A (ko) | 2023-07-06 |
| JP2023552154A (ja) | 2023-12-14 |
| EP4231088A4 (en) | 2024-04-17 |
| EP4231088A1 (en) | 2023-08-23 |
| EP4231088B1 (en) | 2026-03-25 |
| CN114578614B (zh) | 2025-01-03 |
| WO2022111679A1 (zh) | 2022-06-02 |
| KR102800687B1 (ko) | 2025-04-24 |
| CN114578614A (zh) | 2022-06-03 |
| US20230305332A1 (en) | 2023-09-28 |
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