JP2016510481A - ディスプレイパネルのための直下型バックライトの拡散 - Google Patents
ディスプレイパネルのための直下型バックライトの拡散 Download PDFInfo
- Publication number
- JP2016510481A JP2016510481A JP2015552115A JP2015552115A JP2016510481A JP 2016510481 A JP2016510481 A JP 2016510481A JP 2015552115 A JP2015552115 A JP 2015552115A JP 2015552115 A JP2015552115 A JP 2015552115A JP 2016510481 A JP2016510481 A JP 2016510481A
- Authority
- JP
- Japan
- Prior art keywords
- light guide
- light
- backlight
- incoupling
- outcoupling
- 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.)
- Granted
Links
- 238000009792 diffusion process Methods 0.000 title claims description 16
- 238000010168 coupling process Methods 0.000 claims description 31
- 238000005859 coupling reaction Methods 0.000 claims description 31
- 239000000463 material Substances 0.000 claims description 22
- 238000001514 detection method Methods 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 2
- 230000035515 penetration Effects 0.000 claims 1
- 229920003023 plastic Polymers 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000004590 computer program Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 230000015654 memory Effects 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 239000004408 titanium dioxide Substances 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 230000003936 working memory Effects 0.000 description 1
Images
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
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0016—Grooves, prisms, gratings, scattering particles or rough surfaces
-
- 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
- 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
- G02B6/0033—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
- G02B6/0051—Diffusing sheet or layer
-
- 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
- G02B6/0053—Prismatic sheet or layer; Brightness enhancement element, sheet or layer
-
- 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
- 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
- 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
- G02F1/133524—Light-guides, e.g. fibre-optic bundles, louvered or jalousie light-guides
-
- 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
- G02F1/133606—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
- G02F1/133611—Direct backlight including means for improving the brightness uniformity
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
- G06F3/0421—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means by interrupting or reflecting a light beam, e.g. optical touch-screen
-
- 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
- G02F1/133604—Direct backlight with lamps
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Planar Illumination Modules (AREA)
Abstract
Description
・ 前記バックライト光源の一つの位置に合わせて配されるインカップリング構造であって、前記入力面を通るバックライト光を受け取り、受け取ったバックライト光のほとんどを前記導光板内へと拡散させるインカップリング構造。
・ 前記受け取ったバックライト光の放射のために、前記拡散させられたバックライト光のほとんどを前記出力面を通るように導くアウトカップリング構造。
・ 筐体110。側面及び背面を有し、またタッチ層115を有する。
・ 複数のバックライト光源120
・ ライトガイド本体130。バックライト光源120へ向いた入力面132と、その反対側の出力面134を有する。また、複数のインカップリング構造140と、複数のアウトカップリング構造150とを備える。
・ 拡散層160。
・ 拡散層支持ピン162。複数設けられる。
・ 表示スクリーン170。
・ 複数の赤外光源180
・ 複数の赤外線カメラ190
Claims (20)
- ライトガイドであって、
バックライト光を受け取る入力面と、受け取ったバックライト光を放射する出力面との2つの対向する面を備える導光板を備え、
前記導光板は、複数のバックライト光源の各々のために、
・ 前記バックライト光源の一つの位置に合わせて配されるインカップリング構造であって、前記入力面を通るバックライト光を受け取り、受け取ったバックライト光のほとんどを前記導光板内へと拡散させるインカップリング構造と、
・ 前記受け取ったバックライト光の放射のために、前記拡散させられたバックライト光のほとんどを前記出力面を通るように導くアウトカップリング構造と、
を備え、
前記インカップリング構造は、前記入力面及び前記出力面の少なくとも一方に、少なくとも一つの貫入部又は突出部を有し、
前記アウトカップリング構造も、前記入力面及び前記出力面の少なくとも一方に、少なくとも一つの貫入部又は突出部を有し、
前記インカップリング構造はインカップリング格子を備え、前記インカップリング格子は、前記入力面上に、前記受け取ったバックライト光を前記出力面の方へ収束させるように構成される形状を有し、
前記インカップリング構造は、拡散反射要素によって、前記収束させられたバックライト光を前記導光板の中で反射させることにより拡散させるように構成される、
ライトガイド。 - 前記インカップリング格子は微小スケールの格子を含む、請求項1に記載のライトガイド。
- 前記インカップリング格子はいくつかの形状及び大きさを有し、そのうちの少なくとも一つは、前記ライトガイドが複数のバックライト光源からの光を受け取るようにされている場合に、前記インカップリング構造とそれに対応する位置にあるバックライト光源との距離に応じた形状及び大きさである、請求項1に記載のライトガイド。
- 前記インカップリング格子は、収束型またはポジティブ型のフレネルレンズを形成するように構成される、請求項1に記載のライトガイド。
- 前記出力面に拡散反射要素が形成される、請求項1に記載のライトガイド。
- 前記拡散反射要素は微小スケールの形状を有する、請求項5に記載のライトガイド。
- 前記インカップリング構造に位置を合わせて配される反射材を前記出力面上に有する、請求項1から6のいずれかに記載のライトガイド。
- 前記反射材は不透明層を形成するようにされる、請求項7記載のライトガイド。
- 前記拡散反射要素の部位にダークスポットが生じることを防ぐために、前記反射材は、受け取ったバックライト光の一部を通過させるように構成される透明な層を形成するようにされる、請求項7に記載のライトガイド。
- 前記アウトカップリング構造はアウトカップリング格子を有する、請求項1から6のいずれかに記載のライトガイド。
- 前記アウトカップリング格子はいくつかの形状及び大きさを有し、そのうちの少なくとも一つは、前記ライトガイドが複数のバックライト光源からの光を受け取るようにされている場合に、前記アウトカップリング構造とそれに対応する位置にあるバックライト光源との距離に応じた形状及び大きさである、請求項10に記載のライトガイド。
- 前記アウトカップリング格子は、前記受け取ったバックライト光を拡散させるように構成される、発散型のフレネルレンズを形成するように構成される、請求項10に記載のライトガイド。
- 前記アウトカップリング構造は、前記出力面上に形成された拡散反射要素を有する、請求項1から6のいずれかに記載のライトガイド。
- 前記拡散屈折要素は、前記入力面における円錐形の窪みの形状を有する、請求項13に記載のライトガイド。
- 請求項1から14のいずれかに記載のライトガイドと、複数のバックライト光源とを備える、タッチ検出装置。
- 前記バックライト光源が白色発光ダイオードである、請求項15に記載のタッチ検出装置。
- 前記バックライト光源が前記ライトガイドに取り付けられる、請求項15又は16に記載のタッチ検出装置。
- 請求項15から17のいずれかに記載のタッチ検出装置と、表示スクリーンとを備える、タッチスクリーンデバイス。
- 拡散層と筐体とを備え、前記筐体の中に、前記表示スクリーン、前記拡散層、ライトガイドが、直接的に、または介在部品を介して間接的に支持される、請求項18に記載のタッチスクリーンデバイス。
- テレビ受像機、コンピュータディスプレイ、情報スクリーンのいずれかである、請求項18又は19に記載のタッチスクリーンデバイス。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/FI2013/050029 WO2014108595A1 (en) | 2013-01-11 | 2013-01-11 | Diffusing of direct backlight for a display panel |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016510481A true JP2016510481A (ja) | 2016-04-07 |
JP6185082B2 JP6185082B2 (ja) | 2017-08-23 |
Family
ID=47594792
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015552115A Active JP6185082B2 (ja) | 2013-01-11 | 2013-01-11 | ディスプレイパネルのための直下型バックライトの拡散 |
Country Status (6)
Country | Link |
---|---|
US (1) | US9864122B2 (ja) |
EP (1) | EP2943838B1 (ja) |
JP (1) | JP6185082B2 (ja) |
KR (1) | KR20150104107A (ja) |
CN (1) | CN105051593A (ja) |
WO (1) | WO2014108595A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020017153A1 (ja) * | 2018-07-20 | 2020-01-23 | 株式会社ジャパンディスプレイ | 表示装置、及び、表示装置を組み込んだ電子機器 |
JP2021117379A (ja) * | 2020-01-27 | 2021-08-10 | 株式会社ジャパンディスプレイ | 電子機器 |
JP7430645B2 (ja) | 2018-04-13 | 2024-02-13 | ベーア-ヘラー サーモコントロール ゲーエムベーハー | 表示装置 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10534123B2 (en) | 2015-02-10 | 2020-01-14 | CSEM Centre Suisse d'Electronique et de Microtechnique SA—Recherche et Développement | White light source |
WO2017015801A1 (zh) * | 2015-07-24 | 2017-02-02 | 华为技术有限公司 | 一种摄像头模组和终端 |
JP6696793B2 (ja) * | 2016-02-24 | 2020-05-20 | スタンレー電気株式会社 | 車両用灯具 |
US11416041B2 (en) * | 2016-05-23 | 2022-08-16 | Microsoft Technology Licensing, Llc. | Device having display integrated infrared and visible light source |
CN110494692B (zh) * | 2017-03-25 | 2022-12-23 | 镭亚股份有限公司 | 定向背光体、背光式显示器和方法 |
WO2018213100A1 (en) | 2017-05-14 | 2018-11-22 | Leia Inc. | Multiview backlight, display, and method employing active emitter arrays |
EP3645938A1 (en) * | 2017-06-29 | 2020-05-06 | Signify Holding B.V. | Integrated ir receiver in side-lit panels |
CN109428966A (zh) * | 2017-08-22 | 2019-03-05 | 西安中兴新软件有限责任公司 | 一种移动终端、镭雕方法及屏幕背光的控制方法 |
KR102400975B1 (ko) * | 2017-10-23 | 2022-05-23 | 삼성전자주식회사 | 디스플레이 장치 |
US11290628B2 (en) * | 2018-12-27 | 2022-03-29 | Dynascan Technology Corp. | Display apparatus |
CN111028707A (zh) * | 2019-11-19 | 2020-04-17 | 深圳市光祥科技股份有限公司 | Led地砖显示屏 |
US20220075261A1 (en) * | 2020-09-10 | 2022-03-10 | Bugeye Technologies, Inc. | Light panel display |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007311070A (ja) * | 2006-05-16 | 2007-11-29 | Sharp Corp | 発光装置および液晶表示装置 |
JP2009175597A (ja) * | 2008-01-28 | 2009-08-06 | Takiron Co Ltd | 光学シート及びこれを用いたバックライトユニット |
JP2010541154A (ja) * | 2007-09-27 | 2010-12-24 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 薄型側面発光ledを用いた薄型バックライト |
JP2011039122A (ja) * | 2009-08-06 | 2011-02-24 | Hitachi Displays Ltd | 液晶表示装置 |
JP2012094486A (ja) * | 2010-10-22 | 2012-05-17 | Samsung Electronics Co Ltd | 光源アセンブリおよびこれを含むタッチスクリーン装置 |
JPWO2010113361A1 (ja) * | 2009-04-03 | 2012-10-04 | シャープ株式会社 | 照明装置、表示装置、及びテレビ受信装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6878969B2 (en) * | 2002-07-29 | 2005-04-12 | Matsushita Electric Works, Ltd. | Light emitting device |
US7063449B2 (en) * | 2002-11-21 | 2006-06-20 | Element Labs, Inc. | Light emitting diode (LED) picture element |
KR20070033137A (ko) | 2005-09-21 | 2007-03-26 | 삼성전자주식회사 | 광학판, 이의 제조 방법 및 이를 갖는 표시 장치 |
JP4708307B2 (ja) | 2005-11-04 | 2011-06-22 | 昭和電工株式会社 | 導光部材およびこの導光部材を用いた面光源装置、ならびに表示装置 |
KR20080048759A (ko) * | 2006-11-29 | 2008-06-03 | 삼성전자주식회사 | 도광 유닛, 이를 채용한 백라이트 유닛 및 디스플레이 장치 |
TW200839378A (en) | 2007-03-21 | 2008-10-01 | Chi Mei Optoelectronics Corp | Light emitting element, backlight module and plane display apparatus |
JP5336474B2 (ja) * | 2007-05-20 | 2013-11-06 | スリーエム イノベイティブ プロパティズ カンパニー | 半鏡面構成要素を備えたリサイクル型バックライト |
US20100165634A1 (en) * | 2008-12-29 | 2010-07-01 | Hei-Tai Hong | Ultra-thin light guidance device |
KR101064478B1 (ko) | 2009-06-24 | 2011-09-15 | 경북대학교 산학협력단 | 점광원을 이용한 면발광 백라이트 유닛 및 면발광 램프 |
-
2013
- 2013-01-11 JP JP2015552115A patent/JP6185082B2/ja active Active
- 2013-01-11 US US14/651,452 patent/US9864122B2/en active Active
- 2013-01-11 KR KR1020157018204A patent/KR20150104107A/ko not_active Application Discontinuation
- 2013-01-11 EP EP13700780.3A patent/EP2943838B1/en active Active
- 2013-01-11 WO PCT/FI2013/050029 patent/WO2014108595A1/en active Application Filing
- 2013-01-11 CN CN201380070203.1A patent/CN105051593A/zh active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007311070A (ja) * | 2006-05-16 | 2007-11-29 | Sharp Corp | 発光装置および液晶表示装置 |
JP2010541154A (ja) * | 2007-09-27 | 2010-12-24 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 薄型側面発光ledを用いた薄型バックライト |
JP2009175597A (ja) * | 2008-01-28 | 2009-08-06 | Takiron Co Ltd | 光学シート及びこれを用いたバックライトユニット |
JPWO2010113361A1 (ja) * | 2009-04-03 | 2012-10-04 | シャープ株式会社 | 照明装置、表示装置、及びテレビ受信装置 |
JP2011039122A (ja) * | 2009-08-06 | 2011-02-24 | Hitachi Displays Ltd | 液晶表示装置 |
JP2012094486A (ja) * | 2010-10-22 | 2012-05-17 | Samsung Electronics Co Ltd | 光源アセンブリおよびこれを含むタッチスクリーン装置 |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7430645B2 (ja) | 2018-04-13 | 2024-02-13 | ベーア-ヘラー サーモコントロール ゲーエムベーハー | 表示装置 |
WO2020017153A1 (ja) * | 2018-07-20 | 2020-01-23 | 株式会社ジャパンディスプレイ | 表示装置、及び、表示装置を組み込んだ電子機器 |
JP2020013068A (ja) * | 2018-07-20 | 2020-01-23 | 株式会社ジャパンディスプレイ | 表示装置、及び、表示装置を組み込んだ電子機器 |
US11215862B2 (en) | 2018-07-20 | 2022-01-04 | Japan Display Inc. | Display device and electronic equipment incorporating the display device |
JP7166824B2 (ja) | 2018-07-20 | 2022-11-08 | 株式会社ジャパンディスプレイ | 表示装置、及び、表示装置を組み込んだ電子機器 |
US11531225B2 (en) | 2018-07-20 | 2022-12-20 | Japan Display Inc. | Display device and electronic equipment incorporating the display device |
JP2021117379A (ja) * | 2020-01-27 | 2021-08-10 | 株式会社ジャパンディスプレイ | 電子機器 |
Also Published As
Publication number | Publication date |
---|---|
KR20150104107A (ko) | 2015-09-14 |
CN105051593A (zh) | 2015-11-11 |
JP6185082B2 (ja) | 2017-08-23 |
EP2943838A1 (en) | 2015-11-18 |
WO2014108595A1 (en) | 2014-07-17 |
US9864122B2 (en) | 2018-01-09 |
EP2943838B1 (en) | 2017-03-08 |
US20150316702A1 (en) | 2015-11-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6185082B2 (ja) | ディスプレイパネルのための直下型バックライトの拡散 | |
KR102396365B1 (ko) | 직시 디스플레이 디바이스 및 직시 디스플레이 디바이스를 위한 광 유닛 | |
US20140153281A1 (en) | Backlight unit and display device | |
KR101994013B1 (ko) | 도광판, 백라이트 모듈 및 디스플레이 장치 | |
KR100613839B1 (ko) | 백라이트 유닛 | |
US20150124445A1 (en) | Light emitting diode light box | |
WO2015039873A1 (en) | A lighting device | |
JP2009042360A (ja) | 照光表示装置 | |
WO2013137161A1 (ja) | 照明装置及びそれを備えた表示装置 | |
US20110235362A1 (en) | Light concentration device and related backlight module | |
KR101651888B1 (ko) | 백라이트 장치 | |
CN104763937A (zh) | 一种背光源背板、背光模组及显示装置 | |
WO2016173014A1 (zh) | 导光板、背光模组及显示装置 | |
WO2015154413A1 (zh) | 一种单向透光膜、光收集器和背光源模组 | |
WO2014194614A1 (zh) | 光学膜片、背光模组及显示装置 | |
CA2917851A1 (en) | Lighting device | |
WO2017049877A1 (zh) | 背光模组、显示模组及电子装置 | |
JP6298986B2 (ja) | 照明装置 | |
JP2011124026A (ja) | 照明装置及びこれを備える表示装置 | |
JP2017103187A (ja) | 導光板、面光源装置、表示装置、及び電子機器 | |
TW201516534A (zh) | 背光模組 | |
KR20150005743A (ko) | 백라이트 장치 | |
US20070052883A1 (en) | Light diffusing assembly | |
TW201741743A (zh) | 顯示器裝置 | |
KR20160049588A (ko) | 백라이트 장치 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20161028 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20161107 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20170706 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20170726 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6185082 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |