JP2017120778A - バックライトユニット及びモバイル電子機器 - Google Patents
バックライトユニット及びモバイル電子機器 Download PDFInfo
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- 239000004973 liquid crystal related substance Substances 0.000 claims description 86
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- 229920003023 plastic Polymers 0.000 description 2
- 229920003207 poly(ethylene-2,6-naphthalate) Polymers 0.000 description 2
- 229920000636 poly(norbornene) polymer Polymers 0.000 description 2
- 229920006393 polyether sulfone Polymers 0.000 description 2
- 239000011112 polyethylene naphthalate Substances 0.000 description 2
- -1 polyethylene terephthalate Polymers 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
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- 239000005341 toughened glass Substances 0.000 description 2
- 229910001374 Invar Inorganic materials 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 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
- 238000013459 approach Methods 0.000 description 1
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- 229910052751 metal Inorganic materials 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
Classifications
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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
- G02B6/0066—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 characterised by the light source being coupled to the light guide
- G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
-
- 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
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
-
- 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
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0045—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide
-
- 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
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
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- 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
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- 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
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
-
- 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
- G02B6/0066—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 characterised by the light source being coupled to the light guide
- G02B6/0073—Light emitting diode [LED]
-
- 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
- G02F1/133331—Cover glasses
-
- 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
- G02F1/133601—Illuminating devices for spatial active dimming
-
- 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
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
-
- 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
- G02F1/133626—Illuminating devices providing two modes of illumination, e.g. day-night
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
Abstract
Description
一方、導光体に傾斜面が形成されたバックライトシステムが特許文献1に開示されている。
102、602…部分表示画面
200、610…バックライトユニット
210…光ガイド部材
211…ベース部材
213Y…レンズパターン
215…光学パターン
215−1…第1傾斜部
215−2…第2傾斜部
215a…第1傾斜面
215b…第2傾斜面
230…反射シート
250…第1光源部
253…第1発光ダイオードパッケージ
253b…第1発光ダイオードチップ
270…第2光源部
273…第2発光ダイオードパッケージ
273b…第2発光ダイオードチップ
500…ハウジング
600…液晶表示モジュール
Claims (15)
- 第1側面に設けられた第1入射部と前記第1側面と反対の第2側面に設けられた第2入射部とを有する光ガイド部材と、
前記第1入射部に配置された第1光源部と、
前記第2入射部に配置された第2光源部とを含み、
前記第1光源部の輝度と前記第2光源部の輝度とが異なる
ことを特徴とするバックライトユニット。 - 前記光ガイド部材は、前記第1入射部と前記第2入射部との間の中間部と前記第2入射部との間に設定される部分出射領域を含む
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。 - 前記第1光源部の輝度は、前記第2光源部の輝度よりも高い
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。 - 前記光ガイド部材は、前記第1入射部と前記第2入射部とを有するベース部材と、前記ベース部材の下面に設けられた複数の光学パターンとを含む
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。 - 前記複数の光学パターンの各々は、前記第1入射部の長さ方向と平行な第1方向の断面が台形状であり、前記第1入射部の長さ方向と交差する第2方向の断面が鈍角三角形状である
ことを特徴とする請求項4に記載のバックライトユニット。 - 前記複数の光学パターンの各々は、前記第1入射部に向くととともに前記ベース部材の下面から前記第2入射部の方向に傾斜した第1傾斜面を有する第1傾斜部と、前記第2入射部に向くととともに前記ベース部材の下面から前記第1傾斜部の先端の方向に傾斜した第2傾斜面を有する第2傾斜部とを含む
ことを特徴とする請求項4に記載のバックライトユニット。 - 前記ベース部材の下面と前記第1傾斜面の間の第1角度が、前記ベース部材の下面と前記第2傾斜面との間の第2角度よりも大きく、
前記第1傾斜面と前記第2傾斜面との間の角は鈍角である
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。 - 前記ベース部材の下面と前記第1傾斜面との間の第1角度が30〜50度であり、
前記ベース部材の下面と前記第2傾斜面との間の第2角度は5〜10度である
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。 - 前記光ガイド部材は、前記第1入射部と前記第2入射部とを有するベース部材と、前記ベース部材の上面に設けられた複数のレンズパターンとを含む
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。 - 前記第1光源部は、i(iは2以上の正の整数)個の発光ダイオードチップを有する複数の第1発光ダイオードパッケージを含み、
前記第2光源部は、j(jはiよりも小さい正の整数)個の発光ダイオードチップを有する複数の第2発光ダイオードパッケージを含む
ことを特徴とする請求項2〜9のいずれか1項に記載のバックライトユニット。 - 前記光ガイド部材は、前記複数の第2発光ダイオードパッケージの一部から入射する光を前記部分出射領域に出射させる
ことを特徴とする請求項10に記載のバックライトユニット。 - 前記部分出射領域の幅は、前記光ガイド部材の第2側面の幅よりも狭い
ことを特徴とする請求項2〜9のいずれか1項に記載のバックライトユニット。 - 請求項1〜12のいずれか1項に記載のバックライトユニットと、
前記バックライトユニットを収納するハウジングと、
前記バックライトユニット上に配置されるとともに前記ハウジングに収納された液晶表示パネルと、
前記液晶表示パネルを覆うとともに前記ハウジングに支持されたカバーウィンドウと
を含むことを特徴とするモバイル電子機器。 - 前記第1光源部は、i(iは2以上の正の整数)個の発光ダイオードチップを有する複数の第1発光ダイオードパッケージを含み、
前記第2光源部が、j(jはiよりも小さい正の整数)個の発光ダイオードチップを有する複数の第2発光ダイオードパッケージを含む
ことを特徴とする請求項13に記載のモバイル電子機器。 - 前記液晶表示パネルに接続され、前記ハウジングに収納されたパネル駆動回路部を更に含み、
前記パネル駆動回路部は、前記液晶表示パネルに設定された部分表示領域に部分表示画面を表示し、
前記バックライトユニットは、前記複数の第2発光ダイオードパッケージを選択的に駆動することにより前記部分表示領域にのみ光を照射する
ことを特徴とする請求項14に記載のモバイル電子機器。
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020508475A (ja) * | 2018-01-10 | 2020-03-19 | 北京小米移動軟件有限公司Beijing Xiaomi Mobile Software Co.,Ltd. | Lcd表示モジュール及び移動端末 |
JP2022552922A (ja) * | 2019-08-30 | 2022-12-21 | 京東方科技集團股▲ふん▼有限公司 | 紋様画像取得装置、表示装置及びコリメート部材 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3420266B1 (en) * | 2016-02-22 | 2020-02-05 | Lumileds LLC | Asymmetrical light intensity distribution from luminaire |
WO2018044728A1 (en) * | 2016-09-01 | 2018-03-08 | Commscope Technologies Llc | End face cleaning gel for hardened multi-fiber optical connectors; and methods |
KR20190117039A (ko) * | 2018-04-05 | 2019-10-16 | 삼성디스플레이 주식회사 | 표시 장치, 광학 부재 및 광학 부재 제조 방법 |
JP2019186060A (ja) * | 2018-04-11 | 2019-10-24 | シャープ株式会社 | 照明装置および表示装置 |
CN110782775B (zh) * | 2018-07-31 | 2021-12-31 | 中强光电股份有限公司 | 显示装置 |
CN109377886A (zh) * | 2018-12-17 | 2019-02-22 | 武汉华星光电半导体显示技术有限公司 | 覆盖窗结构及柔性显示装置 |
US11745650B2 (en) * | 2018-12-28 | 2023-09-05 | Ls Automotive Technologies Co., Ltd. | Dynamic lamp unit and control method therefor |
CN110161748B (zh) * | 2019-05-08 | 2022-05-20 | 合肥联宝信息技术有限公司 | 显示装置及显示方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004013097A (ja) * | 2002-06-11 | 2004-01-15 | Fujitsu Ltd | 電子機器、液晶表示装置および導光板 |
JP2012079681A (ja) * | 2010-09-09 | 2012-04-19 | Hitachi Chemical Co Ltd | 導光板及び面光源装置 |
JP2012099365A (ja) * | 2010-11-02 | 2012-05-24 | Toshiba Corp | 照明装置および液晶表示装置 |
JP2012138222A (ja) * | 2010-12-25 | 2012-07-19 | Omron Corp | 面光源装置及び立体表示装置 |
JP2012164421A (ja) * | 2011-02-03 | 2012-08-30 | Kuraray Co Ltd | 面光源素子及びそれを備えた表示装置 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20010074133A (ko) * | 2001-03-30 | 2001-08-04 | 고경진 | 백라이트용 도광판 |
TWI220356B (en) * | 2003-06-23 | 2004-08-11 | Inventec Appliances Corp | Power saving device applied to power saving backlight unit and power saving portable electronic device |
JP4238806B2 (ja) * | 2004-09-21 | 2009-03-18 | セイコーエプソン株式会社 | 導光板、照明装置、電気光学装置および電子機器 |
EP2039988A4 (en) * | 2006-07-11 | 2010-04-21 | Sharp Kk | LIGHTING MODULE, BACKLIGHT, FRONT LIGHTING, AND DISPLAY |
KR101512861B1 (ko) * | 2006-11-14 | 2015-04-16 | 오와이 모딜리스 엘티디. | 광가이드 장치 및 이와 관련된 애플리케이션들 |
JPWO2009157352A1 (ja) * | 2008-06-23 | 2011-12-08 | ソニー株式会社 | 面光源装置および表示装置 |
US9121989B2 (en) * | 2010-08-20 | 2015-09-01 | Sharp Kabushiki Kaisha | Illuminating device, display device, and television receiving device |
KR20120030821A (ko) * | 2010-09-20 | 2012-03-29 | 삼성전자주식회사 | 백 라이트 유닛 및 이를 가지는 액정 표시 장치 |
KR101450948B1 (ko) | 2011-08-04 | 2014-10-16 | 엘지디스플레이 주식회사 | 터치센서 일체형 표시장치 |
WO2012141098A1 (ja) * | 2011-04-13 | 2012-10-18 | シャープ株式会社 | 照明装置および表示装置 |
KR101741821B1 (ko) * | 2011-06-09 | 2017-06-15 | 엘지디스플레이 주식회사 | 액정표시장치 |
JP2014041725A (ja) * | 2012-08-21 | 2014-03-06 | Toshiba Corp | バックライトユニット及びそれを用いた映像表示装置 |
US9207383B2 (en) * | 2012-08-31 | 2015-12-08 | Lg Display Co., Ltd. | Backlight unit and liquid crystal display device using the same |
US20150219831A1 (en) * | 2012-09-25 | 2015-08-06 | Sharp Kabushiki Kaisha | Optical member, illumination device, and display device |
KR101481677B1 (ko) * | 2012-11-30 | 2015-01-13 | 엘지디스플레이 주식회사 | 백 라이트 유닛과 이를 포함하는 액정표시장치 및 백라이트 유닛의 제조방법 |
KR102084718B1 (ko) * | 2013-08-19 | 2020-03-05 | 삼성디스플레이 주식회사 | 백라이트 유닛 및 이를 포함하는 표시 장치 및 그 제조 방법 |
CN203720396U (zh) * | 2013-12-26 | 2014-07-16 | 瑞仪光电股份有限公司 | 导光板 |
CN104848052A (zh) * | 2014-02-13 | 2015-08-19 | 扬升照明股份有限公司 | 背光模块 |
CN104696887B (zh) * | 2015-03-26 | 2018-06-15 | 合肥鑫晟光电科技有限公司 | 一种导光板、背光模组、显示装置及显示控制系统 |
-
2015
- 2015-12-30 KR KR1020150190135A patent/KR102473305B1/ko active IP Right Grant
-
2016
- 2016-12-14 EP EP16204010.9A patent/EP3187777B1/en active Active
- 2016-12-14 TW TW105141451A patent/TWI622818B/zh active
- 2016-12-19 JP JP2016244972A patent/JP6664314B2/ja active Active
- 2016-12-28 US US15/392,646 patent/US10353135B2/en active Active
- 2016-12-28 CN CN201611234852.2A patent/CN106932963B/zh active Active
-
2018
- 2018-07-02 JP JP2018125819A patent/JP6646108B2/ja active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004013097A (ja) * | 2002-06-11 | 2004-01-15 | Fujitsu Ltd | 電子機器、液晶表示装置および導光板 |
JP2012079681A (ja) * | 2010-09-09 | 2012-04-19 | Hitachi Chemical Co Ltd | 導光板及び面光源装置 |
JP2012099365A (ja) * | 2010-11-02 | 2012-05-24 | Toshiba Corp | 照明装置および液晶表示装置 |
JP2012138222A (ja) * | 2010-12-25 | 2012-07-19 | Omron Corp | 面光源装置及び立体表示装置 |
JP2012164421A (ja) * | 2011-02-03 | 2012-08-30 | Kuraray Co Ltd | 面光源素子及びそれを備えた表示装置 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020508475A (ja) * | 2018-01-10 | 2020-03-19 | 北京小米移動軟件有限公司Beijing Xiaomi Mobile Software Co.,Ltd. | Lcd表示モジュール及び移動端末 |
US11330092B2 (en) | 2018-01-10 | 2022-05-10 | Beijing Xiaomi Mobile Software Co., Ltd. | LCD display module and mobile terminal |
JP2022552922A (ja) * | 2019-08-30 | 2022-12-21 | 京東方科技集團股▲ふん▼有限公司 | 紋様画像取得装置、表示装置及びコリメート部材 |
JP7425002B2 (ja) | 2019-08-30 | 2024-01-30 | 京東方科技集團股▲ふん▼有限公司 | 紋様画像取得装置、表示装置及びコリメート部材 |
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