WO2010106782A1 - 表示装置および表示装置の製造方法 - Google Patents
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- WO2010106782A1 WO2010106782A1 PCT/JP2010/001836 JP2010001836W WO2010106782A1 WO 2010106782 A1 WO2010106782 A1 WO 2010106782A1 JP 2010001836 W JP2010001836 W JP 2010001836W WO 2010106782 A1 WO2010106782 A1 WO 2010106782A1
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- light guide
- guide element
- display panel
- liquid crystal
- crystal display
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J11/00—Gas-filled discharge tubes with alternating current induction of the discharge, e.g. alternating current plasma display panels [AC-PDP]; Gas-filled discharge tubes without any main electrode inside the vessel; Gas-filled discharge tubes with at least one main electrode outside the vessel
- H01J11/20—Constructional details
- H01J11/34—Vessels, containers or parts thereof, e.g. substrates
- H01J11/44—Optical arrangements or shielding arrangements, e.g. filters, black matrices, light reflecting means or electromagnetic shielding means
-
- 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
- G02B6/0075—Arrangements of multiple light guides
- G02B6/0078—Side-by-side arrangements, e.g. for large area displays
- G02B6/008—Side-by-side arrangements, e.g. for large area displays of the partially overlapping type
-
- 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
- G02F1/13336—Combining plural substrates to produce large-area displays, e.g. tiled displays
-
- 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
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/04—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres
- G02B6/06—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres the relative position of the fibres being the same at both ends, e.g. for transporting images
- G02B6/08—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres the relative position of the fibres being the same at both ends, e.g. for transporting images with fibre bundle in form of plate
-
- 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
- G02F1/13356—Structural association of cells with optical devices, e.g. polarisers or reflectors characterised by the placement of the optical elements
- G02F1/133562—Structural association of cells with optical devices, e.g. polarisers or reflectors characterised by the placement of the optical elements on the viewer side
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
Definitions
- the liquid crystal display device mainly includes a liquid crystal display panel, a backlight device, a circuit for supplying various electric signals to the liquid crystal display device, a power source, and a housing for housing these.
- the liquid crystal display panel mainly includes a pair of glass substrates and a liquid crystal layer provided therebetween.
- pixel electrodes are formed in a matrix, for example, and TFTs, bus lines, and drive circuits for supplying signals to these are provided, and the other is a color filter layer.
- a counter electrode is provided.
- the liquid crystal display panel has a display area in which a plurality of pixels are arranged and a frame area around the display area. The frame region is provided with a seal portion for sealing and holding the liquid crystal layer, a drive circuit mounting portion for driving the pixels, and the like so that the pair of substrates face each other.
- Patent Document 1 discloses a configuration that has an optical fiber face plate that covers the entire surface of the display panel, guides light emitted from the display area to a non-display area by the optical fiber face plate, and performs seamless display. ing.
- the direct-view display device of the present invention includes a plurality of display panels having a display region and a frame region formed outside the display region, and the plurality of display panels are first and second display panels adjacent to each other.
- the frame region of the first display panel so that the angle formed by the viewer-side surface of the first display panel and the viewer-side surface of the second display panel is greater than 0 ° and less than 180 °
- Side surfaces of the second display panel are overlapped, and first and second light guide elements are disposed on the viewer side of the peripheral display area adjacent to the frame area of the first and second display panels, respectively.
- the first and second light guide elements include an incident surface, an output surface, and a plurality of light guide portions formed between the incident surface and the output surface, and the first and second light guide elements.
- the distance between the entrance surface and the exit surface of the peripheral display area The volume of the first light guide element is larger than the volume of the second light guide element, and the emission surface of the first light guide element and the second light guide element
- the exit surface is
- the direct-view display device of the present invention further includes a translucent front plate, and the front plate has the emission surface of the first light guide element and the emission of the second light guide element. It is provided via an adhesive layer so as to cover the surface, and the functional film is provided on the front plate.
- the manufacturing method of the display device of the present invention includes: (a) a first display panel, a second display panel, a first light guide element disposed on an observer side surface of the first display panel, and the second display. An angle formed by the observer-side surface of the first display panel and the observer-side surface of the second display panel is 0 °.
- the shape of the first and second light guide elements is an isosceles triangular prism.
- the liquid crystal display panel 10a is supported by a flat plate stage 91, and an appropriate amount of ultraviolet curable resin 90 'is applied on the observer side surface 17a of the liquid crystal display panel 10a. Then, the incident surface 21a of the light guide element 20a and the observer side surface 17a of the liquid crystal display panel 10a are opposed to each other.
- the ultraviolet curable resin 90 ' may be dropped, for example, on the observer side surface 17a of the liquid crystal display panel 10a.
- the sheet laminate 96 as the light guide elements 20a and 20b has the following advantages. Although light enters the incident surface 21a from various angles, the sheet laminate 96 uses metal reflection in the metal layer 94, and thus can guide all light regardless of the incident angle. In addition, the sheet laminate 96 has an advantage that the viewing angle of the display image is wide since the range of the incident angles that can be propagated is wide. Further, the transparent layer 93 only needs to be transparent, and the size of the refractive index is not limited, so that the selection range of the material of the transparent layer 93 is wide. Further, since a material having a high transmittance can be selected regardless of the refractive index, a bright display can be achieved.
- the volume of the light guide element 20a is larger than the volume of the light guide element 20b.
- the cross section of the light guide element 20a and the cross section of the light guide element 20b are similar isosceles triangles. Therefore, the area of the cross section perpendicular to the longitudinal direction of the light guide element 20a is larger than the area of the cross section perpendicular to the longitudinal direction of the light guide element 20b.
- the light guide element 20a and the light guide element 20b are triangular prisms having the same length in the longitudinal direction. Therefore, the volume of the light guide element 20a is larger than the volume of the light guide element 20b.
- the overall shape of the light guide element is different from the isosceles triangular prism as described above, the above discussion means that the shape in the effective area is an isosceles triangular prism, Even if the element protrudes into an invalid area and the entire shape is not an isosceles triangular prism, the effect is not lost.
- the thicknesses of the optical film portions 15a and 15b provided on the viewer side of the viewer side substrates (opposing substrates 11a and 11b) of the liquid crystal display panels 10a and 10b and the viewer side substrate are as small as possible (for example, it is preferable that the thickness of the substrate is 0.3 mm and the thickness of the optical film portion is 0.1 mm) and the parallel light transmittance is high (that is, the diffusion is small).
- the adhesive (including the adhesive) provided on the viewer side of the liquid crystal display panel, such as an adhesive film included in the optical film portions 15a and 15b is a material that does not include particles that diffuse light. It is preferable to use it.
- the side surface 58b (shown in FIG. 2) on the liquid crystal display panel 10a side of the backlight device 50b provided on the side opposite to the viewer side of the liquid crystal display panel 10b is the viewer side of the liquid crystal display panel 10a. It is parallel to the surface 17a. That is, the side surface 58b is formed obliquely so that the angle formed by the side surface 58b and the viewer side surface 17b of the liquid crystal display panel 10b is equal to the angle ⁇ formed by the viewer side surface 17a and the viewer side surface 17b. ing. Further, a part of the side surface 58b of the backlight device 50b overlaps the frame region 30a of the liquid crystal display panel 10a.
- the brightness of the image displayed in the area where the light guide elements 20a and 20b are provided is lower than the brightness of the image displayed in the area where the light guide elements 20a and 20b are not provided (in the above, L1 ⁇ L2 or L3 ⁇ L4)
- the brightness of the images formed in the peripheral display areas 32a and 32b is made relatively higher than the brightness of the images formed in the central display areas 33a and 33b. Can improve.
- Method a Lowering the transmittance of pixels provided in the central display areas 33a and 33b.
- Method b The intensity of light emitted toward the peripheral display areas 32a and 32b is set higher than the intensity of light emitted toward the central display areas 33a and 33b.
- a functional film can be provided in the same manner as the liquid crystal display device 100.
- a liquid crystal display device 200C ′ in which a touch panel film 410 is provided as a functional film on the surface of a display panel unit having the same configuration as the liquid crystal display device 200C will be described.
- the light guide elements 20a and 20b are provided between the liquid crystal display panels 10a adjacent to each other, as in the liquid crystal display device 200C. It is possible to make it difficult to see the joint between 10a.
- FIG. 32 also shows a terminal 419 of the touch panel film 410.
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- Crystallography & Structural Chemistry (AREA)
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- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
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- Planar Illumination Modules (AREA)
Abstract
Description
L1:導光素子20aの入射面21aの長さ
L2:導光素子20aの出射面22aの長さ
L3:導光素子20bの入射面21bの長さ
L4:導光素子20bの出射面22bの長さ
α=β=θ/2=30°
L1=L2=14.9mm
L3=L4=10.9mm
α’=β’=θ’/2=30°
L1’=L2’=L3’=L4’=25.7mm
α’およびβ’は、三角柱状である導光素子20a’および20b’の頂角である。また、L1’およびL2’は、それぞれ、導光素子20a’の入射面21a’および出射面22a’の断面における長さであり、L3’およびL4’は、それぞれ、導光素子20b’の入射面21b’および出射面22b’の断面における長さである。額縁領域30a’、30b’の幅は、液晶表示装置100と同様に4mmである。
20a:20a’=34:100
20b:20b’=18:100
方法a:中央表示領域33a、33bに設けられている画素の透過率を下げる。
方法b:周辺表示領域32a、32bに向けて出射される光の強度を、中央表示領域33a、33bに向けて出射される光の強度よりも高くする。
11a、11b、12a、12b 基板
13a、13b 液晶層
14a、14b シール部
15a、15b、16a、16b 光学フィルム部
17a、17b 観察者側表面
18b 液晶表示パネルの側面
20a、20b 導光素子
21a、21b 入射面
22a、22b 出射面
23a、23b 側面
24a、24b 出射面の端部
25a、25b 遮光層
30a、30b 額縁領域
31a、31b 表示領域
32a、32b 周辺表示領域
33a、33b 中央表示領域
40 シート積層体
43 基材
44 低屈折率樹脂層
45 積層体
50a、50b バックライト装置
58b バックライト装置の側面
61、62 切断面
80 反射防止膜
82 接着層
86 隙間封止部材
88 前面板
90 緩衝層
91 平板ステージ
95a、95b、95c、95d、95e 気泡
100 液晶表示装置
J1 第1軸
J2 第2軸
θ 表示パネルがなす角
Claims (9)
- 表示領域と前記表示領域の外側に形成された額縁領域とを有する複数の表示パネルを備え、
前記複数の表示パネルは互いに隣接する第1および第2表示パネルを含み、
前記第1表示パネルの観察者側表面と前記第2表示パネルの観察者側表面とがなす角が0°超180°未満となるように、前記第1表示パネルの前記額縁領域に前記第2表示パネルの側面が重なり、
前記第1および第2表示パネルの前記額縁領域に隣接する周辺表示領域の観察者側には、それぞれ、第1および第2導光素子が配置され、
前記第1および第2導光素子は入射面と、出射面と、前記入射面と前記出射面との間に形成された複数の導光部とを有し、
前記第1および第2導光素子の前記入射面と前記出射面との距離は、前記周辺表示領域から前記額縁領域に向かって増大し、
前記第1導光素子の体積は前記第2導光素子の体積より大きく、
前記第1導光素子の前記出射面および前記第2導光素子の前記出射面は機能性フィルムに覆われている、直視型の表示装置。 - 前記機能性フィルムと、前記第1導光素子の前記出射面および前記第2導光素子の前記出射面との間に設けられた、0.2mm以上1.0mm以下の厚さを有する接着層を更に備える、請求項1に記載の表示装置。
- 前記第1導光素子は、前記出射面の前記第2表示パネル側の端部、および前記入射面の前記第2表示パネル側の端部に接する側面を有し、
前記第2導光素子は、前記出射面の前記第1表示パネル側の端部、および前記入射面の前記第1表示パネル側の端部に接する側面を有し、
前記第1導光素子の前記側面と、前記第2導光素子の前記側面とが交わる角部に設けられている隙間封止部材をさらに備える、請求項2に記載の表示装置。 - 前記第1導光素子は、前記出射面の前記第2表示パネル側の端部、および前記入射面の前記第2表示パネル側の端部に接する側面を有し、
前記第2導光素子は、前記出射面の前記第1表示パネル側の端部、および前記入射面の前記第1表示パネル側の端部に接する側面を有し、
前記第1導光素子の前記側面は、前記第2導光素子の前記側面と接している、請求項2に記載の表示装置。 - 透光性の前面板をさらに備え、
前記前面板は、前記第1導光素子の前記出射面および前記第2導光素子の前記出射面を覆うように接着層を介して設けられており、
前記機能性フィルムは、前記前面板上に設けられている、請求項1に記載の表示装置。 - 前記前面板は、前記第1導光素子の前記出射面、前記第2導光素子の前記出射面、前記第1表示パネルの前記観察者側表面の一部、および前記第2表示パネルの前記観察者側表面の一部を覆うように配置されており、
前記前面板の観察者側表面のうち、前記第1導光素子の観察者側にある部分と前記第1表示パネルの観察者側にある部分とが交わる角部、および、前記第2導光素子の観察者側にある部分と前記第2表示パネルの観察者側にある部分とが交わる角部の少なくとも一方は曲面である、請求項5に記載の表示装置。 - (a)第1表示パネルと、第2表示パネルと、前記第1表示パネルの観察者側表面に配置された第1導光素子と、前記第2表示パネルの観察者側表面に配置された第2導光素子とを有し、前記第1表示パネルの前記観察者側表面と前記第2表示パネルの前記観察者側表面とがなす角が0°超180°未満である表示パネルユニットを用意する工程と、
(b)機能性フィルムを加圧しながら、接着層を介して前記第1導光素子の出射面および前記第2導光素子の出射面に貼り付ける工程と、
を包含する、表示装置の製造方法。 - 前記接着層は、粘度が50Pa・s以上5000Pa・s以下である接着剤を用いて、厚さが0.2mm以上1.0mm以下となるように形成される、請求項7に記載の表示装置の製造方法。
- (a)第1表示パネルと、第2表示パネルと、前記第1表示パネルの観察者側表面に配置された第1導光素子と、前記第2表示パネルの観察者側表面に配置された第2導光素子とを有し、前記第1表示パネルの前記観察者側表面と前記第2表示パネルの前記観察者側表面とがなす角が0°超180°未満である表示パネルユニットを用意する工程と、
(b)接着層を介して、透光性の前面板を前記第1導光素子の出射面および前記第2導光素子の出射面に設ける工程と、
(c)前記前面板上に機能性フィルムを設ける工程と、
を包含する、表示装置の製造方法。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10753279.8A EP2400479A4 (en) | 2009-03-18 | 2010-03-15 | DISPLAY APPARATUS AND METHOD FOR MANUFACTURING DISPLAY APPARATUS |
BRPI1013624A BRPI1013624A2 (pt) | 2009-03-18 | 2010-03-15 | aparelho de exibição e método para fabricação do aparelho de exibição |
CN2010800123675A CN102356419A (zh) | 2009-03-18 | 2010-03-15 | 显示装置和显示装置的制造方法 |
RU2011142017/28A RU2011142017A (ru) | 2009-03-18 | 2010-03-15 | Дисплейное устройство и способ для изготовления дисплейного устройства |
JP2011504744A JP5237437B2 (ja) | 2009-03-18 | 2010-03-15 | 表示装置 |
US13/256,464 US8690414B2 (en) | 2009-03-18 | 2010-03-15 | Display device with light guide element overlapping peripherial display region of display panel |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2009067039 | 2009-03-18 | ||
JP2009-067039 | 2009-03-18 |
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WO2010106782A1 true WO2010106782A1 (ja) | 2010-09-23 |
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PCT/JP2010/001836 WO2010106782A1 (ja) | 2009-03-18 | 2010-03-15 | 表示装置および表示装置の製造方法 |
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US (1) | US8690414B2 (ja) |
EP (1) | EP2400479A4 (ja) |
JP (1) | JP5237437B2 (ja) |
CN (1) | CN102356419A (ja) |
BR (1) | BRPI1013624A2 (ja) |
RU (1) | RU2011142017A (ja) |
WO (1) | WO2010106782A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2012102349A1 (ja) * | 2011-01-27 | 2012-08-02 | シャープ株式会社 | マルチディスプレイシステムおよびこれに用いられる透光性カバー |
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Also Published As
Publication number | Publication date |
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JP5237437B2 (ja) | 2013-07-17 |
US8690414B2 (en) | 2014-04-08 |
RU2011142017A (ru) | 2013-04-27 |
EP2400479A4 (en) | 2013-07-03 |
CN102356419A (zh) | 2012-02-15 |
US20120008340A1 (en) | 2012-01-12 |
BRPI1013624A2 (pt) | 2016-04-19 |
JPWO2010106782A1 (ja) | 2012-09-20 |
EP2400479A1 (en) | 2011-12-28 |
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