JP7065153B2 - バックライトユニット及びこれを含む表示装置 - Google Patents
バックライトユニット及びこれを含む表示装置 Download PDFInfo
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- JP7065153B2 JP7065153B2 JP2020123563A JP2020123563A JP7065153B2 JP 7065153 B2 JP7065153 B2 JP 7065153B2 JP 2020123563 A JP2020123563 A JP 2020123563A JP 2020123563 A JP2020123563 A JP 2020123563A JP 7065153 B2 JP7065153 B2 JP 7065153B2
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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
- G02F1/133621—Illuminating devices providing coloured light
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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
- G02F1/133614—Illuminating devices using photoluminescence, e.g. phosphors illuminated by UV or blue light
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/007—Optical devices or arrangements for the control of light using movable or deformable optical elements the movable or deformable optical element controlling the colour, i.e. a spectral characteristic, of the light
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- 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
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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
- G02F1/133509—Filters, e.g. light shielding masks
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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
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
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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
- G02F1/133603—Direct backlight with LEDs
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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
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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
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
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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
- G02F1/133608—Direct backlight including particular frames or supporting means
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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
- G02F1/133609—Direct backlight including means for improving the color mixing, e.g. white
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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
- G02F1/1339—Gaskets; Spacers; Sealing of cells
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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)
- Astronomy & Astrophysics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Planar Illumination Modules (AREA)
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Description
100:表示パネル
101:サブピクセル
120:駆動回路
200:バックライトユニット
201:発光素子
202:リフレクター
205:レジン層
210:基板
Claims (18)
- 複数の発光素子を含む発光部と、
前記発光部上に配置され、前記複数の発光素子と重なる複数の光変換パターンを含む光変換シートと、
前記光変換シート上に配置された蛍光体フィルムと、
前記光変換シートのフレームに対応する位置および前記光変換シート上に配置される蛍光レイヤと、
前記発光素子の方向に突出した突起を含み、前記発光部の側面に配置されるガイドパネルと、
を含むバックライトユニット。 - 前記蛍光レイヤは、前記光変換シートの先端と、前記複数の発光素子と重なる前記複数の光変換パターンのうち前記光変換シートの最外郭の領域に配置された第1光変換パターンとの間に配置される、請求項1に記載のバックライトユニット。
- 前記蛍光レイヤは、前記複数の発光素子と重なる前記複数の光変換パターンのうち、前記光変換シートの最外郭の領域に配置された第1光変換パターンに配置される、請求項1に記載のバックライトユニット。
- 前記発光部は、
前記複数の発光素子が配置される基板と、
前記基板上に配置され、前記複数の発光素子間に配置されるリフレクターと、
前記発光素子と前記リフレクターとが配置された基板上を覆うレジン層とを含む、請求項1に記載のバックライトユニット。 - 前記光変換シート上に配置されるディフューザープレートと、前記ディフューザープレート上に配置される蛍光体フィルムと、前記蛍光体フィルム上に配置される光学シートとをさらに含む、請求項4に記載のバックライトユニット。
- 前記複数の光変換パターンは、それぞれ複数の層を含み、前記第1光変換パターンの第1層は、光変換物質を含み、第2層は、前記蛍光レイヤを含む、請求項3に記載のバックライトユニット。
- 前記複数の光変換パターンは、それぞれ同一の表面上に配置される光変換物質からなった複数のパターンを含み、前記第1光変換パターンは、前記複数のパターンのうち少なくとも一部のパターンに、前記蛍光レイヤが配置されている、請求項3に記載のバックライトユニット。
- 前記複数の光変換パターンは、それぞれ光変換物質を含み、前記光変換物質は、二酸化チタン(TiO2)を含む、請求項1に記載のバックライトユニット。
- 前記発光部、前記光変換シート及び前記蛍光レイヤを受納するカバーボトムをさらに含む、請求項1に記載のバックライトユニット。
- 前記光変換シートは、接着フィルムをさらに含み、前記接着フィルムによって前記光変換シートが付着される、請求項4に記載のバックライトユニット。
- 前記接着フィルムは、前記複数の光変換パターンと、前記接着フィルムとの間に、エアーギャップが配置されるように、前記複数の光変換パターンが配置された領域に配置されていない、請求項10に記載のバックライトユニット。
- 前記複数の光変換パターンの中央領域の厚さは、前記光変換パターンの外郭領域の厚さよりも大きい、請求項1に記載のバックライトユニット。
- 外郭領域における前記複数の光変換パターンの厚さが、中央領域における前記複数の光変換パターンの厚さよりも小さい、請求項1に記載のバックライトユニット。
- 中央領域から外郭領域にいくほど、前記複数の光変換パターンの厚さが減少する、請求項1に記載のバックライトユニット。
- 外郭領域における前記複数の光変換パターンのサイズが、中央領域における前記複数の光変換パターンのサイズよりも小さい、請求項1に記載のバックライトユニット。
- 中央領域から外郭領域にいくほど、前記複数の光変換パターンのサイズが減少する、請求項1に記載のバックライトユニット。
- 前記複数の光変換パターンの数、又は、前記複数の光変換パターン間の距離は、中央領域と外郭領域との間で、異なって配列される、請求項1に記載のバックライトユニット。
- 表示パネルと、
前記表示パネルに光を照射する前記請求項1から請求項17のうちいずれか1項に記載のバックライトユニットと、
を含む表示装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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KR1020190088913A KR102622376B1 (ko) | 2019-07-23 | 2019-07-23 | 백라이트 유닛 및 그를 포함하는 표시장치 |
KR10-2019-0088913 | 2019-07-23 |
Publications (2)
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JP2021018991A JP2021018991A (ja) | 2021-02-15 |
JP7065153B2 true JP7065153B2 (ja) | 2022-05-11 |
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JP2020123563A Active JP7065153B2 (ja) | 2019-07-23 | 2020-07-20 | バックライトユニット及びこれを含む表示装置 |
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Country | Link |
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US (2) | US11231618B2 (ja) |
JP (1) | JP7065153B2 (ja) |
KR (1) | KR102622376B1 (ja) |
CN (1) | CN112305813B (ja) |
DE (1) | DE102020118878A1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
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KR102633934B1 (ko) * | 2019-08-02 | 2024-02-05 | 엘지디스플레이 주식회사 | 백라이트 유닛 및 그를 포함하는 표시장치 |
US11397352B1 (en) | 2021-01-05 | 2022-07-26 | Samsung Electronics Co., Ltd. | Display apparatus comprising a reflective sheet having a plurality of first and second light conversion patches respectively arranged around a circumference of first and second holes |
US11333928B1 (en) | 2021-01-05 | 2022-05-17 | Samsung Electronics Co., Ltd. | Display apparatus comprising a reflective sheet having a plurality of first and second light conversion dots respectively disposed around a plurality of first and second holes |
JP2022152904A (ja) * | 2021-03-29 | 2022-10-12 | シャープディスプレイテクノロジー株式会社 | 照明装置、及び表示装置 |
KR20220156188A (ko) * | 2021-05-18 | 2022-11-25 | 삼성전자주식회사 | 백라이트 유닛, 디스플레이 장치 및 그 제조 방법 |
TWI807517B (zh) * | 2021-12-03 | 2023-07-01 | 晶元光電股份有限公司 | 背光模組 |
CN114545683B (zh) * | 2022-01-28 | 2023-03-17 | 长沙惠科光电有限公司 | 背光模组和MiniLED显示装置 |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007207572A (ja) | 2006-02-01 | 2007-08-16 | Toshiba Corp | 光源装置、バックライト装置及び表示装置 |
JP2008084811A (ja) | 2006-08-28 | 2008-04-10 | Nichia Chem Ind Ltd | バックライトユニット |
JP2008286955A (ja) | 2007-05-17 | 2008-11-27 | Mitsubishi Electric Corp | 表示パネル用バックライト装置及び液晶表示装置 |
JP2009094087A (ja) | 2006-01-27 | 2009-04-30 | Opt Design:Kk | 面照明光源装置及びこれを用いた面照明装置 |
JP2009229877A (ja) | 2008-03-24 | 2009-10-08 | Sumitomo Chemical Co Ltd | 集光層付き光拡散板 |
WO2011024498A1 (ja) | 2009-08-31 | 2011-03-03 | シャープ株式会社 | 照明装置および表示装置 |
JP2015000967A (ja) | 2013-06-18 | 2015-01-05 | デクセリアルズ株式会社 | 蛍光体シート |
JP2018045972A (ja) | 2016-09-16 | 2018-03-22 | 日亜化学工業株式会社 | 発光装置 |
JP2018098088A (ja) | 2016-12-15 | 2018-06-21 | 大日本印刷株式会社 | 量子ドットシートを有するバックライト、及び該バックライトを備えた液晶表示装置 |
JP2019121547A (ja) | 2018-01-10 | 2019-07-22 | シャープ株式会社 | 照明装置及び表示装置 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100964466B1 (ko) * | 2009-11-24 | 2010-06-16 | 엘지전자 주식회사 | 디스플레이 장치 |
KR20110026904A (ko) * | 2009-09-09 | 2011-03-16 | 엘지전자 주식회사 | 백 라이트 유닛 및 이를 포함하는 디스플레이 장치 |
KR101192275B1 (ko) * | 2010-03-16 | 2012-10-17 | 엘지이노텍 주식회사 | 백라이트유닛 및 이를 이용한 액정표시장치 |
KR101719652B1 (ko) * | 2010-04-07 | 2017-03-24 | 엘지전자 주식회사 | 백라이트 유닛 및 디스플레이 장치 |
KR101572165B1 (ko) * | 2014-12-09 | 2015-11-26 | 삼성전자 주식회사 | 디스플레이 장치 및 이에 포함되는 백 라이트 유닛 |
TWI541472B (zh) * | 2015-06-11 | 2016-07-11 | 友達光電股份有限公司 | 背光模組 |
KR102344303B1 (ko) * | 2015-10-30 | 2021-12-28 | 엘지디스플레이 주식회사 | 광변환 시트 및 그를 포함하는 백라이트 유닛 |
US20190278134A1 (en) * | 2016-05-19 | 2019-09-12 | Sharp Kabushiki Kaisha | Backlight device and display apparatus including same |
CN109581736A (zh) * | 2017-09-28 | 2019-04-05 | 乐金显示有限公司 | 背光单元和包括其的液晶显示装置 |
KR101951303B1 (ko) * | 2017-10-31 | 2019-02-22 | 엘지디스플레이 주식회사 | 백라이트 유닛 및 이를 포함하는 액정표시장치 |
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Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009094087A (ja) | 2006-01-27 | 2009-04-30 | Opt Design:Kk | 面照明光源装置及びこれを用いた面照明装置 |
JP2007207572A (ja) | 2006-02-01 | 2007-08-16 | Toshiba Corp | 光源装置、バックライト装置及び表示装置 |
JP2008084811A (ja) | 2006-08-28 | 2008-04-10 | Nichia Chem Ind Ltd | バックライトユニット |
JP2008286955A (ja) | 2007-05-17 | 2008-11-27 | Mitsubishi Electric Corp | 表示パネル用バックライト装置及び液晶表示装置 |
JP2009229877A (ja) | 2008-03-24 | 2009-10-08 | Sumitomo Chemical Co Ltd | 集光層付き光拡散板 |
WO2011024498A1 (ja) | 2009-08-31 | 2011-03-03 | シャープ株式会社 | 照明装置および表示装置 |
JP2015000967A (ja) | 2013-06-18 | 2015-01-05 | デクセリアルズ株式会社 | 蛍光体シート |
JP2018045972A (ja) | 2016-09-16 | 2018-03-22 | 日亜化学工業株式会社 | 発光装置 |
JP2018098088A (ja) | 2016-12-15 | 2018-06-21 | 大日本印刷株式会社 | 量子ドットシートを有するバックライト、及び該バックライトを備えた液晶表示装置 |
JP2019121547A (ja) | 2018-01-10 | 2019-07-22 | シャープ株式会社 | 照明装置及び表示装置 |
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CN112305813B (zh) | 2023-12-05 |
US20220107531A1 (en) | 2022-04-07 |
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JP2021018991A (ja) | 2021-02-15 |
US11567364B2 (en) | 2023-01-31 |
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US20210026203A1 (en) | 2021-01-28 |
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