TWI670632B - Touch display device - Google Patents
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- TWI670632B TWI670632B TW107122410A TW107122410A TWI670632B TW I670632 B TWI670632 B TW I670632B TW 107122410 A TW107122410 A TW 107122410A TW 107122410 A TW107122410 A TW 107122410A TW I670632 B TWI670632 B TW I670632B
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- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 62
- 239000000463 material Substances 0.000 claims abstract description 29
- 239000010410 layer Substances 0.000 claims description 318
- 230000003287 optical effect Effects 0.000 claims description 132
- 239000012790 adhesive layer Substances 0.000 claims description 125
- 239000000758 substrate Substances 0.000 claims description 90
- 239000004642 Polyimide Substances 0.000 claims description 17
- 229920001721 polyimide Polymers 0.000 claims description 17
- 229920001621 AMOLED Polymers 0.000 claims description 12
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 11
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 11
- 238000000576 coating method Methods 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 7
- 239000000853 adhesive Substances 0.000 abstract description 15
- 230000001070 adhesive effect Effects 0.000 abstract description 15
- 238000005452 bending Methods 0.000 abstract description 12
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- 239000002041 carbon nanotube Substances 0.000 description 8
- 229910021393 carbon nanotube Inorganic materials 0.000 description 8
- 239000011521 glass Substances 0.000 description 8
- 229920000139 polyethylene terephthalate Polymers 0.000 description 8
- 239000005020 polyethylene terephthalate Substances 0.000 description 8
- 230000010287 polarization Effects 0.000 description 6
- 239000004417 polycarbonate Substances 0.000 description 5
- 229920000515 polycarbonate Polymers 0.000 description 5
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229920001609 Poly(3,4-ethylenedioxythiophene) Polymers 0.000 description 4
- 229920001328 Polyvinylidene chloride Polymers 0.000 description 4
- 239000002042 Silver nanowire Substances 0.000 description 4
- 229920001400 block copolymer Polymers 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 125000004122 cyclic group Chemical group 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- -1 polyethylene terephthalate Polymers 0.000 description 4
- 239000005033 polyvinylidene chloride Substances 0.000 description 4
- 229910052709 silver Inorganic materials 0.000 description 4
- 239000004332 silver Substances 0.000 description 4
- 238000002834 transmittance Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000873 masking effect Effects 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- 229920002284 Cellulose triacetate Polymers 0.000 description 1
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 1
- NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- ILJSQTXMGCGYMG-UHFFFAOYSA-N triacetic acid Chemical compound CC(=O)CC(=O)CC(O)=O ILJSQTXMGCGYMG-UHFFFAOYSA-N 0.000 description 1
Classifications
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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
- G02F1/133528—Polarisers
-
- 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
- G02F1/13338—Input devices, e.g. touch panels
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Polarising Elements (AREA)
- Liquid Crystal (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
本發明係揭露一種觸控顯示裝置，其係包含一發光模組、一觸控感測模組、一圓偏光層與一透明蓋板。觸控感測模組與圓偏光層彼此堆疊以設於發光模組上，圓偏光層具有一液晶分子堆疊層。透明蓋板設於觸控感測模組或圓偏光層上。本發明利用液晶分子來構成圓偏光層，以避免使用支撐基材與任何黏膠，進而大幅降低整體厚度，以利彎折。The invention discloses a touch display device, which comprises a light emitting module, a touch sensing module, a circular polarizing layer and a transparent cover plate. The touch sensing module and the circular polarizing layer are stacked on each other to be disposed on the light emitting module. The circular polarizing layer has a stacked layer of liquid crystal molecules. The transparent cover plate is arranged on the touch sensing module or the circular polarizing layer. In the present invention, liquid crystal molecules are used to form a circular polarizing layer, so as to avoid the use of a supporting base material and any adhesive, thereby greatly reducing the overall thickness and facilitating bending.
Description
本發明係關於一種觸控顯示裝置，且特別關於一種可彎折式觸控顯示裝置。The present invention relates to a touch display device, and particularly to a bendable touch display device.
近年來，觸控面板(Touch Panel)已被廣泛地應用至各式各樣之電子產品中，如：全球定位系統(GPS)、個人數位助理(PDA)、行動電話(cellular phone)及掌上型電腦(Hand-held PC)等，以取代傳統之輸入裝置(如：鍵盤及滑鼠等)。此一設計上之大幅改變，不僅提昇了該等電子裝置之人機介面親和性，更因省略了傳統輸入裝置而騰出更多空間，供安裝更大尺寸的顯示面板，方便使用者瀏覽資料。在傳統的觸控顯示裝置中，圓偏光板由線偏光層與四分之一波片組成，其中線偏光層係拉伸低成本的聚乙烯醇(PVA) 膜再吸收碘分子而形成，，因為PVA膜在拉伸後會收縮而失去方向性，所以需要在線偏光層上下貼合三醋酸纖維素（TAC）薄膜，再利用感壓膠與四分之一波片壓合，這樣的方式可以得到很好的光學性質，但是無法捲對捲生產，厚度容易受到限制，應力過大無法自由彎曲，彎曲直徑小於10毫米(mm)，故此技術門檻較低，僅限制於平面產品。In recent years, the touch panel (Touch Panel) has been widely used in various electronic products, such as: global positioning system (GPS), personal digital assistant (PDA), mobile phone (cellular phone) and handheld Computer (Hand-held PC), etc., to replace traditional input devices (such as: keyboard and mouse, etc.). This drastic change in design not only improves the human-machine interface compatibility of these electronic devices, but also frees up more space due to the omission of traditional input devices for installing a larger-sized display panel, which is convenient for users to browse data . In a conventional touch display device, a circular polarizer is composed of a linear polarizing layer and a quarter-wave plate, in which the linear polarizing layer is formed by stretching a low-cost polyvinyl alcohol (PVA) film and reabsorbing iodine molecules Because the PVA film shrinks after stretching and loses directionality, it is necessary to attach a cellulose triacetate (TAC) film above and below the linear polarizing layer, and then use a pressure sensitive adhesive to press the quarter wave plate. This method can be Good optical properties are obtained, but roll-to-roll production is not possible, the thickness is easily limited, the stress is too large to bend freely, and the bending diameter is less than 10 millimeters (mm). Therefore, the technical threshold is lower and it is limited to flat products.
因此，本發明係在針對上述的困擾，提出一種觸控顯示裝置，以解決習知所產生的問題。Therefore, the present invention is directed to the above-mentioned problems, and proposes a touch display device to solve the problems caused by the conventional knowledge.
本發明的主要目的，在於提供一種觸控顯示裝置，其係利用液晶分子堆疊層來構成圓偏光層，以避免使用支撐基材與任何黏膠，進而大幅降低整體厚度，以利彎折。The main object of the present invention is to provide a touch display device that uses a stacked layer of liquid crystal molecules to form a circular polarizing layer to avoid the use of a supporting substrate and any adhesive, thereby greatly reducing the overall thickness to facilitate bending.
為達上述目的，本發明提供一種觸控顯示裝置，其係包含一發光模組、一觸控感測模組、一圓偏光層與一透明蓋板。觸控感測模組與圓偏光層彼此堆疊以設於發光模組上，圓偏光層具有一液晶分子堆疊層。透明蓋板設於觸控感測模組或圓偏光層上。舉例來說，發光模組為主動矩陣有機發光二極體（AMOLED）模組，To achieve the above object, the present invention provides a touch display device, which includes a light emitting module, a touch sensing module, a circular polarizing layer and a transparent cover plate. The touch sensing module and the circular polarizing layer are stacked on each other to be disposed on the light emitting module. The circular polarizing layer has a stacked layer of liquid crystal molecules. The transparent cover plate is arranged on the touch sensing module or the circular polarizing layer. For example, the light emitting module is an active matrix organic light emitting diode (AMOLED) module,
在本發明之一實施例中，圓偏光層更包含一配向層，且圓偏光層係以塗布方式形成，配向層之材質為聚乙烯醇(PVA)或聚醯亞胺（PI）。In one embodiment of the present invention, the circular polarizing layer further includes an alignment layer, and the circular polarizing layer is formed by coating. The material of the alignment layer is polyvinyl alcohol (PVA) or polyimide (PI).
在本發明之一實施例中，觸控感測模組更包含一第一光學膠層、一透明基板、一觸控感測層與一第二光學膠層。第一光學膠層設於發光模組上，透明基板設於第一光學膠層上，觸控感測層設於透明基板上，第二光學膠層設於觸控感測層上，圓偏光層設於第二光學膠層上。In one embodiment of the present invention, the touch sensing module further includes a first optical adhesive layer, a transparent substrate, a touch sensing layer and a second optical adhesive layer. The first optical adhesive layer is disposed on the light emitting module, the transparent substrate is disposed on the first optical adhesive layer, the touch sensing layer is disposed on the transparent substrate, and the second optical adhesive layer is disposed on the touch sensing layer, circular polarized light The layer is arranged on the second optical adhesive layer.
在本發明之一實施例中，觸控感測模組更包含一第一光學膠層、一觸控感測層、一透明基板與一第二光學膠層。第一光學膠層設於發光模組上，觸控感測層設於第一光學膠層上，透明基板設於觸控感測層上，第二光學膠層設於透明基板上，圓偏光層設於第二光學膠層上。In an embodiment of the invention, the touch sensing module further includes a first optical adhesive layer, a touch sensing layer, a transparent substrate, and a second optical adhesive layer. The first optical adhesive layer is disposed on the light emitting module, the touch sensing layer is disposed on the first optical adhesive layer, the transparent substrate is disposed on the touch sensing layer, and the second optical adhesive layer is disposed on the transparent substrate, circularly polarized light The layer is arranged on the second optical adhesive layer.
在本發明之一實施例中，液晶分子堆疊層更包含至少一相位差膜與一線偏光層。相位差膜由旋光性液晶分子構成，相位差膜設於第二光學膠層上。線偏光層由液晶分子構成，線偏光層設於相位差膜上，且配向層設於線偏光層上，透明蓋板設於配向層上。In an embodiment of the invention, the liquid crystal molecular stack layer further includes at least one retardation film and a linear polarizing layer. The phase difference film is composed of optically active liquid crystal molecules, and the phase difference film is provided on the second optical adhesive layer. The linear polarizing layer is composed of liquid crystal molecules, the linear polarizing layer is provided on the phase difference film, the alignment layer is provided on the linear polarizing layer, and the transparent cover plate is provided on the alignment layer.
在本發明之一實施例中，相位差膜之數量為二，其係為二分之一波長相位差膜與四分之一波長相位差膜，四分之一波長相位差膜設於第二光學膠層上，二分之一波長相位差膜設於四分之一波長相位差膜上，且線偏光層設於二分之一波長相位差膜上。In one embodiment of the present invention, the number of retardation films is two, which are a half-wave retardation film and a quarter-wave retardation film, and the quarter-wave retardation film is provided on the second On the optical adhesive layer, the half-wave retardation film is provided on the quarter-wave retardation film, and the linear polarizing layer is provided on the half-wave retardation film.
在本發明之一實施例中，液晶分子堆疊層更包含至少一相位差膜與一線偏光層。相位差膜由旋光性液晶分子構成，相位差膜透過配向層設於發光模組上。線偏光層由液晶分子構成，線偏光層設於相位差膜上，且觸控感測模組設於線偏光層上。In an embodiment of the invention, the liquid crystal molecular stack layer further includes at least one retardation film and a linear polarizing layer. The phase difference film is composed of optically active liquid crystal molecules, and the phase difference film is provided on the light emitting module through the alignment layer. The linear polarizing layer is composed of liquid crystal molecules, the linear polarizing layer is disposed on the phase difference film, and the touch sensing module is disposed on the linear polarizing layer.
在本發明之一實施例中，相位差膜之數量為二，其係為二分之一波長相位差膜與四分之一波長相位差膜，四分之一波長相位差膜設於配向層上，二分之一波長相位差膜設於四分之一波長相位差膜上，且線偏光層設於二分之一波長相位差膜上。In one embodiment of the present invention, the number of retardation films is two, which are a half-wave retardation film and a quarter-wave retardation film, and the quarter-wave retardation film is provided on the alignment layer Above, the half-wave retardation film is provided on the quarter-wave retardation film, and the linear polarizing layer is provided on the half-wave retardation film.
在本發明之一實施例中，觸控感測模組更包含一第一光學膠層、一透明基板、一觸控感測層與一第二光學膠層。第一光學膠層設於線偏光層上，透明基板設於第一光學膠層上，觸控感測層設於透明基板上，第二光學膠層設於觸控感測層上，透明蓋板設於第二光學膠層上。In one embodiment of the present invention, the touch sensing module further includes a first optical adhesive layer, a transparent substrate, a touch sensing layer and a second optical adhesive layer. The first optical adhesive layer is disposed on the linear polarizing layer, the transparent substrate is disposed on the first optical adhesive layer, the touch sensing layer is disposed on the transparent substrate, the second optical adhesive layer is disposed on the touch sensing layer, and the transparent cover The board is arranged on the second optical adhesive layer.
在本發明之一實施例中，觸控感測模組更包含一第一光學膠層、一觸控感測層、一透明基板與一第二光學膠層。第一光學膠層設於線偏光層上，觸控感測層設於第一光學膠層上，透明基板設於觸控感測層上，第二光學膠層設於透明基板上，透明蓋板設於第二光學膠層上。In an embodiment of the invention, the touch sensing module further includes a first optical adhesive layer, a touch sensing layer, a transparent substrate, and a second optical adhesive layer. The first optical adhesive layer is disposed on the linear polarizing layer, the touch sensing layer is disposed on the first optical adhesive layer, the transparent substrate is disposed on the touch sensing layer, the second optical adhesive layer is disposed on the transparent substrate, and the transparent cover The board is arranged on the second optical adhesive layer.
在本發明之一實施例中，觸控感測模組更包含一第一光學膠層、一透明基板與一觸控感測層。第一光學膠層設於發光模組上，透明基板設於第一光學膠層上，觸控感測層設於透明基板上，圓偏光層設於觸控感測層上。In one embodiment of the present invention, the touch sensing module further includes a first optical adhesive layer, a transparent substrate and a touch sensing layer. The first optical adhesive layer is disposed on the light emitting module, the transparent substrate is disposed on the first optical adhesive layer, the touch sensing layer is disposed on the transparent substrate, and the circular polarizing layer is disposed on the touch sensing layer.
在本發明之一實施例中，圓偏光層更包含一第二光學膠層，液晶分子堆疊層更包含至少一相位差膜與一線偏光層。相位差膜由旋光性液晶分子構成，相位差膜設於觸控感測層上。線偏光層由液晶分子構成，線偏光層設於相位差膜上，透明蓋板透過第二光學膠層設於線偏光層上。In one embodiment of the present invention, the circular polarizing layer further includes a second optical adhesive layer, and the liquid crystal molecular stack layer further includes at least a retardation film and a linear polarizing layer. The phase difference film is composed of optically active liquid crystal molecules, and the phase difference film is provided on the touch sensing layer. The linear polarizing layer is composed of liquid crystal molecules, the linear polarizing layer is provided on the phase difference film, and the transparent cover plate is disposed on the linear polarizing layer through the second optical adhesive layer.
在本發明之一實施例中，相位差膜之數量為二，其係為二分之一波長相位差膜與四分之一波長相位差膜，四分之一波長相位差膜設於觸控感測層上，二分之一波長相位差膜設於四分之一波長相位差膜上，且線偏光層設於二分之一波長相位差膜上。In one embodiment of the present invention, the number of retardation films is two, which are a half-wave retardation film and a quarter-wave retardation film, and the quarter-wave retardation film is provided on the touch On the sensing layer, the half-wave retardation film is provided on the quarter-wave retardation film, and the linear polarizing layer is provided on the half-wave retardation film.
在本發明之一實施例中，觸控感測模組更包含一第一光學膠層、一觸控感測層與一透明基板。第一光學膠層設於發光模組上，觸控感測層設於第一光學膠層上，透明基板設於觸控感測層上，圓偏光層設於透明基板上。In one embodiment of the present invention, the touch sensing module further includes a first optical adhesive layer, a touch sensing layer and a transparent substrate. The first optical adhesive layer is provided on the light emitting module, the touch sensing layer is provided on the first optical adhesive layer, the transparent substrate is provided on the touch sensing layer, and the circular polarizing layer is provided on the transparent substrate.
在本發明之一實施例中，圓偏光層更包含一第二光學膠層，液晶分子堆疊層更包含至少一相位差膜與一線偏光層。相位差膜由旋光性液晶分子構成，相位差膜設於透明基板上。線偏光層由液晶分子構成，線偏光層設於相位差膜上，透明蓋板透過第二光學膠層設於線偏光層上。In one embodiment of the present invention, the circular polarizing layer further includes a second optical adhesive layer, and the liquid crystal molecular stack layer further includes at least a retardation film and a linear polarizing layer. The retardation film is composed of optically active liquid crystal molecules, and the retardation film is provided on a transparent substrate. The linear polarizing layer is composed of liquid crystal molecules, the linear polarizing layer is provided on the phase difference film, and the transparent cover plate is disposed on the linear polarizing layer through the second optical adhesive layer.
在本發明之一實施例中，相位差膜之數量為二，其係為二分之一波長相位差膜與四分之一波長相位差膜，四分之一波長相位差膜設於透明基板上，二分之一波長相位差膜設於四分之一波長相位差膜上，且線偏光層設於二分之一波長相位差膜上。In one embodiment of the present invention, the number of retardation films is two, which are a half-wave retardation film and a quarter-wave retardation film, and the quarter-wave retardation film is provided on the transparent substrate Above, the half-wave retardation film is provided on the quarter-wave retardation film, and the linear polarizing layer is provided on the half-wave retardation film.
在本發明之一實施例中，圓偏光層更包含一第一光學膠層，液晶分子堆疊層更包含至少一相位差膜與一線偏光層。相位差膜由旋光性液晶分子構成，相位差膜透過第一光學膠層設於發光模組上。線偏光層由液晶分子構成，線偏光層設於相位差膜上，且觸控感測模組設於線偏光層上。In an embodiment of the invention, the circular polarizing layer further includes a first optical adhesive layer, and the liquid crystal molecular stack layer further includes at least a retardation film and a linear polarizing layer. The phase difference film is composed of optically active liquid crystal molecules, and the phase difference film is disposed on the light emitting module through the first optical adhesive layer. The linear polarizing layer is composed of liquid crystal molecules, the linear polarizing layer is disposed on the phase difference film, and the touch sensing module is disposed on the linear polarizing layer.
在本發明之一實施例中，相位差膜之數量為二，其係為二分之一波長相位差膜與四分之一波長相位差膜，四分之一波長相位差膜設於第一光學膠層上，二分之一波長相位差膜設於四分之一波長相位差膜上，且線偏光層設於二分之一波長相位差膜上。In one embodiment of the present invention, the number of retardation films is two, which are a half-wave retardation film and a quarter-wave retardation film, and the quarter-wave retardation film is provided on the first On the optical adhesive layer, the half-wave retardation film is provided on the quarter-wave retardation film, and the linear polarizing layer is provided on the half-wave retardation film.
在本發明之一實施例中，觸控感測模組更包含一透明基板、一觸控感測層與一第二光學膠層。透明基板設於線偏光層上，觸控感測層設於透明基板上，第二光學膠層設於觸控感測層上，透明蓋板設於第二光學膠層上。In an embodiment of the invention, the touch sensing module further includes a transparent substrate, a touch sensing layer and a second optical adhesive layer. The transparent substrate is arranged on the linear polarizing layer, the touch sensing layer is arranged on the transparent substrate, the second optical glue layer is arranged on the touch sensing layer, and the transparent cover plate is arranged on the second optical glue layer.
在本發明之一實施例中，觸控感測模組更包含一觸控感測層、一透明基板與一第二光學膠層。觸控感測層設於線偏光層上，透明基板設於觸控感測層上，第二光學膠層設於透明基板上，透明蓋板設於第二光學膠層上。In one embodiment of the present invention, the touch sensing module further includes a touch sensing layer, a transparent substrate and a second optical adhesive layer. The touch sensing layer is arranged on the linear polarizing layer, the transparent substrate is arranged on the touch sensing layer, the second optical glue layer is arranged on the transparent substrate, and the transparent cover plate is arranged on the second optical glue layer.
在本發明之一實施例中，圓偏光層係以塗布方式形成。In one embodiment of the present invention, the circular polarizing layer is formed by coating.
茲為使 貴審查委員對本發明的結構特徵及所達成的功效更有進一步的瞭解與認識，謹佐以較佳的實施例圖及配合詳細的說明，說明如後：In order to make your reviewer have a better understanding and understanding of the structural features and achieved effects of the present invention, I would like to use the preferred embodiment drawings and detailed descriptions, the explanations are as follows:
本發明之實施例將藉由下文配合相關圖式進一步加以解說。盡可能的，於圖式與說明書中，相同標號係代表相同或相似構件。於圖式中，基於簡化與方便標示，形狀與厚度可能經過誇大表示。可以理解的是，未特別顯示於圖式中或描述於說明書中之元件，為所屬技術領域中具有通常技術者所知之形態。本領域之通常技術者可依據本發明之內容而進行多種之改變與修改。The embodiments of the present invention will be further explained in the following with the related drawings. As much as possible, in the drawings and the description, the same reference numerals represent the same or similar components. In the drawings, the shape and thickness may be exaggerated for simplicity and convenience. It can be understood that elements that are not specifically shown in the drawings or described in the specification are in a form known to those of ordinary skill in the art. Those of ordinary skill in the art can make various changes and modifications according to the content of the present invention.
以下請參閱第1圖， 以介紹本發明之觸控顯示裝置之第一實施例。觸控顯示裝置包含一發光模組34、一觸控感測模組36、一圓偏光層38與一透明蓋板40。觸控感測模組36與圓偏光層38彼此堆疊以設於發光模組34上，圓偏光層38具有一液晶分子堆疊層42與一配向層44，且圓偏光層38係以塗布方式形成。透明蓋板40設於觸控感測模組36或圓偏光層38上。舉例來說，發光模組34為主動矩陣有機發光二極體（AMOLED）模組，透明蓋板40之材質為玻璃、環烯烴聚合物（COP）、無機透明聚醯亞胺（CPI）或聚偏二氯乙烯（HPVDF），配向層44之材質為聚乙烯醇(PVA)或聚醯亞胺（PI）。此外，在第一實施例中，觸控感測模組36、圓偏光層38與透明蓋板40係依序堆疊於發光模組34上。在製作過程中，液晶分子堆疊層42與配向層44皆先塗布於透明蓋板40上，再與其他元件結合，塗布過程不需要任何黏膠，故可以大幅降低觸控顯示裝置之整體厚度。Please refer to FIG. 1 below to introduce the first embodiment of the touch display device of the present invention. The touch display device includes a light emitting module 34, a touch sensing module 36, a circular polarizing layer 38 and a transparent cover 40. The touch sensing module 36 and the circular polarizing layer 38 are stacked on each other to be disposed on the light emitting module 34. The circular polarizing layer 38 has a liquid crystal molecular stack layer 42 and an alignment layer 44 and the circular polarizing layer 38 is formed by coating . The transparent cover 40 is provided on the touch sensing module 36 or the circular polarizing layer 38. For example, the light-emitting module 34 is an active matrix organic light-emitting diode (AMOLED) module, and the material of the transparent cover plate 40 is glass, cycloolefin polymer (COP), inorganic transparent polyimide (CPI) or polymer Vinylidene chloride (HPVDF), the material of the alignment layer 44 is polyvinyl alcohol (PVA) or polyimide (PI). In addition, in the first embodiment, the touch sensing module 36, the circular polarizing layer 38 and the transparent cover 40 are sequentially stacked on the light emitting module 34. In the manufacturing process, the liquid crystal molecular stack layer 42 and the alignment layer 44 are first coated on the transparent cover 40 and then combined with other components. The coating process does not require any adhesive, so the overall thickness of the touch display device can be greatly reduced.
具體而言，觸控感測模組36更包含一第一光學膠層46、一透明基板48、一觸控感測層50與一第二光學膠層52。第一光學膠層46設於發光模組34上，透明基板48設於第一光學膠層46上，觸控感測層50設於透明基板48上，第二光學膠層52設於觸控感測層50上，圓偏光層38設於第二光學膠層52上。舉例來說，透明基板48可選擇雙折射率材質，即減速度(Re，Retardation)大於5之材質，當入射的偏振光產生相互垂直的兩束具有相位差的偏光時，此相位差係定義為Re。此雙折射率材質為聚对苯二甲酸乙二酯（PET）或無機透明聚醯亞胺（CPI）。此外，透明基板48亦可選擇無雙折射率材質，即Re小於5。此無雙折射率材質為玻璃、環烯烴聚合物（COP）、聚偏二氯乙烯（HPVDF）、環狀嵌段共聚物（CBC）或聚碳酸酯（PC）。觸控感測層50可為銅或銀之金屬網格(metal mesh)或奈米銀線(AgNWs)。或者，觸控感測層50之材質為氧化銦錫（ITO）、聚(3,4-乙烯基二氧噻吩)(PEDOT)或奈米碳管(CNT)。Specifically, the touch sensing module 36 further includes a first optical adhesive layer 46, a transparent substrate 48, a touch sensing layer 50 and a second optical adhesive layer 52. The first optical adhesive layer 46 is disposed on the light emitting module 34, the transparent substrate 48 is disposed on the first optical adhesive layer 46, the touch sensing layer 50 is disposed on the transparent substrate 48, and the second optical adhesive layer 52 is disposed on the touch On the sensing layer 50, the circular polarizing layer 38 is provided on the second optical adhesive layer 52. For example, the transparent substrate 48 may select a birefringent material, that is, a material with a deceleration (Re, Retardation) greater than 5. When the incident polarized light produces two beams of polarized light that are perpendicular to each other, the phase difference is defined For Re. The birefringence material is polyethylene terephthalate (PET) or inorganic transparent polyimide (CPI). In addition, the transparent substrate 48 can also choose a material without birefringence, that is, Re is less than 5. This non-birefringent material is glass, cycloolefin polymer (COP), polyvinylidene chloride (HPVDF), cyclic block copolymer (CBC) or polycarbonate (PC). The touch sensing layer 50 may be a metal mesh of copper or silver or AgNWs. Alternatively, the material of the touch sensing layer 50 is indium tin oxide (ITO), poly (3,4-vinyldioxythiophene) (PEDOT) or carbon nanotube (CNT).
液晶分子堆疊層42更包含至少一相位差膜54與一線偏光層56。相位差膜54由旋光性液晶分子構成，相位差膜54設於第二光學膠層52上。線偏光層56由液晶分子構成，線偏光層56設於相位差膜54上，且配向層44設於線偏光層56上，透明蓋板40設於配向層44上。此外，還有由油墨形成之一遮蔽層58，其係塗布於配向層44與透明蓋板40之間。線偏光層56之厚度為1-5微米。在第一實施例中，相位差膜54之數量為二，其係為二分之一波長相位差膜60與四分之一波長相位差膜62，四分之一波長相位差62膜設於第二光學膠層52上，二分之一波長相位差膜60設於四分之一波長相位差膜62上，且線偏光層56設於二分之一波長相位差膜60上。四分之一波長相位差膜62之厚度為1-5微米。四分之一波長相位差膜62與線偏光層56之偏光角度為45度，偏光度達80％～99.5％，穿透率為33％～45％，可撓曲直徑為2毫米(mm)。由於本發明利用液晶分子堆疊層42與配向層44來構成圓偏光層38，所以不需要拉伸薄膜，以避免使用支撐基材與任何黏膠，進而大幅降低整體厚度，以利彎折。The liquid crystal molecular stack layer 42 further includes at least one retardation film 54 and a linear polarizing layer 56. The retardation film 54 is composed of optically active liquid crystal molecules, and the retardation film 54 is provided on the second optical adhesive layer 52. The linear polarizing layer 56 is composed of liquid crystal molecules, the linear polarizing layer 56 is provided on the retardation film 54, the alignment layer 44 is provided on the linear polarizing layer 56, and the transparent cover plate 40 is provided on the alignment layer 44. In addition, there is a shielding layer 58 formed of ink, which is applied between the alignment layer 44 and the transparent cover 40. The thickness of the linear polarizing layer 56 is 1-5 microns. In the first embodiment, the number of retardation films 54 is two, which are the half-wave retardation film 60 and the quarter-wave retardation film 62, and the quarter-wave retardation 62 film is provided in On the second optical adhesive layer 52, the half-wave retardation film 60 is provided on the quarter-wave retardation film 62, and the linear polarizing layer 56 is provided on the half-wave retardation film 60. The thickness of the quarter-wave retardation film 62 is 1-5 microns. The quarter-wave retardation film 62 and the linear polarizing layer 56 have a polarization angle of 45 degrees, a polarization degree of 80% to 99.5%, a transmittance of 33% to 45%, and a flexible diameter of 2 millimeters (mm) . Since the present invention uses the liquid crystal molecular stack layer 42 and the alignment layer 44 to form the circular polarizing layer 38, there is no need to stretch the film to avoid the use of a supporting substrate and any adhesive, thereby greatly reducing the overall thickness to facilitate bending.
以下請參閱第2圖， 以介紹本發明之觸控顯示裝置之第二實施例。第二實施例與第一實施例差別在於觸控感測模組36，其餘結構與第一實施例相同，於此不再贅述。在第二實施例中，觸控感測模組36更包含一第一光學膠層46、一觸控感測層50、一透明基板48與一第二光學膠層52。第一光學膠層46設於發光模組34上，觸控感測層50設於第一光學膠層46上，透明基板48設於觸控感測層50上，第二光學膠層52設於透明基板48上，圓偏光層38設於第二光學膠層52上。Please refer to FIG. 2 below to introduce the second embodiment of the touch display device of the present invention. The difference between the second embodiment and the first embodiment lies in the touch sensing module 36. The rest of the structure is the same as that of the first embodiment, and will not be repeated here. In the second embodiment, the touch sensing module 36 further includes a first optical adhesive layer 46, a touch sensing layer 50, a transparent substrate 48 and a second optical adhesive layer 52. The first optical adhesive layer 46 is disposed on the light emitting module 34, the touch sensing layer 50 is disposed on the first optical adhesive layer 46, the transparent substrate 48 is disposed on the touch sensing layer 50, and the second optical adhesive layer 52 is disposed On the transparent substrate 48, the circular polarizing layer 38 is disposed on the second optical adhesive layer 52.
以下請參閱第3圖， 以介紹本發明之觸控顯示裝置之第三實施例。觸控顯示裝置包含一發光模組64、一圓偏光層66、一觸控感測模組68與一透明蓋板70。觸控感測模組68與圓偏光層66彼此堆疊以設於發光模組64上，圓偏光層66具有一液晶分子堆疊層72與一配向層74，且圓偏光層66係以塗布方式形成。透明蓋板70設於觸控感測模組68或圓偏光層66上。舉例來說，發光模組64為主動矩陣有機發光二極體（AMOLED）模組，透明蓋板70之材質為玻璃、環烯烴聚合物（COP）、無機透明聚醯亞胺（CPI）或聚偏二氯乙烯（HPVDF），配向層74之材質為聚乙烯醇(PVA)或聚醯亞胺（PI）。此外，在第一實施例中，圓偏光層66、觸控感測模組68與透明蓋板70係依序堆疊於發光模組64上。在製作過程中，液晶分子堆疊層72與配向層74皆先塗布於發光模組64上，再與其他元件結合，塗布過程不需要任何黏膠，故可以大幅降低觸控顯示裝置之整體厚度。Please refer to FIG. 3 below to introduce the third embodiment of the touch display device of the present invention. The touch display device includes a light emitting module 64, a circular polarizing layer 66, a touch sensing module 68 and a transparent cover 70. The touch sensing module 68 and the circular polarizing layer 66 are stacked on each other to be disposed on the light emitting module 64. The circular polarizing layer 66 has a liquid crystal molecular stack layer 72 and an alignment layer 74, and the circular polarizing layer 66 is formed by coating . The transparent cover 70 is provided on the touch sensing module 68 or the circular polarizing layer 66. For example, the light-emitting module 64 is an active matrix organic light-emitting diode (AMOLED) module, and the material of the transparent cover 70 is glass, cycloolefin polymer (COP), inorganic transparent polyimide (CPI) or polyimide Vinylidene chloride (HPVDF), the material of the alignment layer 74 is polyvinyl alcohol (PVA) or polyimide (PI). In addition, in the first embodiment, the circular polarizing layer 66, the touch sensing module 68 and the transparent cover 70 are sequentially stacked on the light emitting module 64. In the manufacturing process, the liquid crystal molecular stack layer 72 and the alignment layer 74 are first coated on the light emitting module 64 and then combined with other components. The coating process does not require any adhesive, so the overall thickness of the touch display device can be greatly reduced.
具體而言，液晶分子堆疊層72更包含至少一相位差膜76與一線偏光層78。相位差膜76由旋光性液晶分子構成，相位差膜76透過配向層74設於發光模組64上。線偏光層78由液晶分子構成，線偏光層78設於相位差膜76上，且觸控感測模組68設於線偏光層78上。在第三實施例中，相位差膜76之數量為二，其係為二分之一波長相位差膜80與四分之一波長相位差膜82，四分之一波長相位差膜82設於配向層74上，二分之一波長相位差膜80設於四分之一波長相位差膜82上，且線偏光層78設於二分之一波長相位差膜80上。線偏光層78與四分之一波長相位差膜82之厚度皆為1-5微米。線偏光層78與四分之一波長相位差膜82之偏光角度為45度，偏光度達80％～99.5％，穿透率為33％～45％，可撓曲直徑為2毫米(mm)。由於本發明利用液晶分子堆疊層72與配向層74來構成圓偏光層66，所以不需要拉伸薄膜，以避免使用支撐基材與任何黏膠，進而大幅降低整體厚度，以利彎折。Specifically, the liquid crystal molecular stack layer 72 further includes at least one retardation film 76 and a linear polarizing layer 78. The retardation film 76 is composed of optically active liquid crystal molecules, and the retardation film 76 is provided on the light emitting module 64 through the alignment layer 74. The linear polarizing layer 78 is composed of liquid crystal molecules, the linear polarizing layer 78 is provided on the phase difference film 76, and the touch sensing module 68 is disposed on the linear polarizing layer 78. In the third embodiment, the number of retardation films 76 is two, which are half-wave retardation film 80 and quarter-wave retardation film 82, and quarter-wave retardation film 82 is provided at On the alignment layer 74, the half-wave retardation film 80 is provided on the quarter-wave retardation film 82, and the linear polarizing layer 78 is provided on the half-wave retardation film 80. The thickness of the linear polarizing layer 78 and the quarter-wave retardation film 82 are both 1-5 microns. The polarizing angle of the linear polarizing layer 78 and the quarter-wave retardation film 82 is 45 degrees, the polarizing degree is 80% to 99.5%, the transmittance is 33% to 45%, and the flexible diameter is 2 millimeters (mm) . Since the present invention uses the liquid crystal molecular stack layer 72 and the alignment layer 74 to form the circular polarizing layer 66, there is no need to stretch the film to avoid the use of a supporting substrate and any adhesive, thereby greatly reducing the overall thickness to facilitate bending.
觸控感測模組68更包含一第一光學膠層84、一透明基板86、一觸控感測層88與一第二光學膠層90。第一光學膠層84設於線偏光層78上，透明基板86設於第一光學膠層84上，觸控感測層88設於透明基板86上，第二光學膠層90設於觸控感測層88上，透明蓋板70設於第二光學膠層90上。此外，還有由油墨形成之一遮蔽層92，其係塗布於第二光學膠層90與透明蓋板70之間。舉例來說，透明基板86可選擇雙折射率材質，即減速度(Re，Retardation)大於5之材質，當入射的偏振光產生相互垂直的兩束具有相位差的偏光時，此相位差係定義為Re。此雙折射率材質為聚对苯二甲酸乙二酯（PET）或無機透明聚醯亞胺（CPI）。此外，透明基板86亦可選擇無雙折射率材質，即Re小於5。此無雙折射率材質為玻璃、環烯烴聚合物（COP）、聚偏二氯乙烯（HPVDF）、環狀嵌段共聚物（CBC）或聚碳酸酯（PC）。觸控感測層88可為銅或銀之金屬網格(metal mesh)或奈米銀線(AgNWs)。或者，觸控感測層88之材質為氧化銦錫（ITO）、聚(3,4-乙烯基二氧噻吩)(PEDOT)或奈米碳管(CNT)。The touch sensing module 68 further includes a first optical adhesive layer 84, a transparent substrate 86, a touch sensing layer 88 and a second optical adhesive layer 90. The first optical adhesive layer 84 is disposed on the linear polarizing layer 78, the transparent substrate 86 is disposed on the first optical adhesive layer 84, the touch sensing layer 88 is disposed on the transparent substrate 86, and the second optical adhesive layer 90 is disposed on the touch On the sensing layer 88, the transparent cover 70 is disposed on the second optical adhesive layer 90. In addition, there is a shielding layer 92 formed of ink, which is coated between the second optical adhesive layer 90 and the transparent cover 70. For example, the transparent substrate 86 can select a birefringent material, that is, a material with a deceleration (Re, Retardation) greater than 5, when the incident polarized light produces two perpendicular polarized lights with a phase difference, the phase difference is defined For Re. The birefringence material is polyethylene terephthalate (PET) or inorganic transparent polyimide (CPI). In addition, the transparent substrate 86 can also choose a material without birefringence, that is, Re is less than 5. This non-birefringent material is glass, cycloolefin polymer (COP), polyvinylidene chloride (HPVDF), cyclic block copolymer (CBC) or polycarbonate (PC). The touch-sensing layer 88 may be a metal mesh of copper or silver or AgNWs. Alternatively, the material of the touch sensing layer 88 is indium tin oxide (ITO), poly (3,4-vinyldioxythiophene) (PEDOT) or carbon nanotube (CNT).
以下請參閱第4圖， 以介紹本發明之觸控顯示裝置之第四實施例。第四實施例與第三實施例差別在於觸控感測模組68，其餘結構與第三實施例相同，於此不再贅述。在第四實施例中，觸控感測模組68更包含一第一光學膠層84、一觸控感測層88、一透明基板86與一第二光學膠層90。第一光學膠層84設於線偏光層78上，觸控感測層88設於第一光學膠層84上，透明基板86設於觸控感測層88上，第二光學膠層90設於透明基板86上，透明蓋板70設於第二光學膠層90上。Please refer to FIG. 4 to introduce the fourth embodiment of the touch display device of the present invention. The difference between the fourth embodiment and the third embodiment lies in the touch-sensing module 68, and the rest of the structure is the same as that of the third embodiment, which will not be repeated here. In the fourth embodiment, the touch sensing module 68 further includes a first optical adhesive layer 84, a touch sensing layer 88, a transparent substrate 86 and a second optical adhesive layer 90. The first optical adhesive layer 84 is disposed on the linear polarizing layer 78, the touch sensing layer 88 is disposed on the first optical adhesive layer 84, the transparent substrate 86 is disposed on the touch sensing layer 88, and the second optical adhesive layer 90 is disposed On the transparent substrate 86, the transparent cover 70 is disposed on the second optical adhesive layer 90.
以下請參閱第5圖， 以介紹本發明之觸控顯示裝置之第五實施例。觸控顯示裝置包含一發光模組94、一觸控感測模組96、一圓偏光層98與一透明蓋板100。觸控感測模組96與圓偏光層98彼此堆疊以設於發光模組94上，圓偏光層98具有一液晶分子堆疊層102，且圓偏光層98係以塗布方式形成。透明蓋板100設於觸控感測模組96或圓偏光層98上。舉例來說，發光模組94為主動矩陣有機發光二極體（AMOLED）模組，透明蓋板100之材質為玻璃、環烯烴聚合物（COP）、無機透明聚醯亞胺（CPI）或聚偏二氯乙烯（HPVDF）。此外，在第五實施例中，觸控感測模組96、圓偏光層98與透明蓋板100係依序堆疊於發光模組94上。Please refer to FIG. 5 to introduce the fifth embodiment of the touch display device of the present invention. The touch display device includes a light emitting module 94, a touch sensing module 96, a circular polarizing layer 98 and a transparent cover plate 100. The touch sensing module 96 and the circular polarizing layer 98 are stacked on each other to be disposed on the light emitting module 94. The circular polarizing layer 98 has a liquid crystal molecular stack layer 102, and the circular polarizing layer 98 is formed by coating. The transparent cover 100 is disposed on the touch sensing module 96 or the circular polarizing layer 98. For example, the light-emitting module 94 is an active matrix organic light-emitting diode (AMOLED) module, and the material of the transparent cover plate 100 is glass, cycloolefin polymer (COP), inorganic transparent polyimide (CPI) or polymer Vinylidene chloride (HPVDF). In addition, in the fifth embodiment, the touch sensing module 96, the circular polarizing layer 98 and the transparent cover plate 100 are sequentially stacked on the light emitting module 94.
具體而言，觸控感測模組96更包含一第一光學膠層104、一透明基板106與一觸控感測層108。第一光學膠層104設於發光模組94上，透明基板106設於第一光學膠層104上，觸控感測層108設於透明基板106上，圓偏光層98設於觸控感測層108上。舉例來說，透明基板106可選擇雙折射率材質，即減速度(Re，Retardation)大於5之材質，例如聚对苯二甲酸乙二酯（PET）或無機透明聚醯亞胺（CPI）。此外，透明基板106亦可選擇無雙折射率材質，即Re小於5。此無雙折射率材質為玻璃、環烯烴聚合物（COP）、聚偏二氯乙烯（HPVDF）、環狀嵌段共聚物（CBC）或聚碳酸酯（PC）。觸控感測層108可為銅或銀之金屬網格(metal mesh)或奈米銀線(AgNWs)。或者，觸控感測層108之材質為氧化銦錫（ITO）、聚(3,4-乙烯基二氧噻吩)(PEDOT)或奈米碳管(CNT)。Specifically, the touch sensing module 96 further includes a first optical adhesive layer 104, a transparent substrate 106, and a touch sensing layer 108. The first optical adhesive layer 104 is disposed on the light emitting module 94, the transparent substrate 106 is disposed on the first optical adhesive layer 104, the touch sensing layer 108 is disposed on the transparent substrate 106, and the circular polarizing layer 98 is disposed on the touch sensing Level 108. For example, the transparent substrate 106 may be a birefringent material, that is, a material with a deceleration (Re, Retardation) greater than 5, such as polyethylene terephthalate (PET) or inorganic transparent polyimide (CPI). In addition, the transparent substrate 106 can also be selected from materials without birefringence, that is, Re is less than 5. This non-birefringent material is glass, cycloolefin polymer (COP), polyvinylidene chloride (HPVDF), cyclic block copolymer (CBC) or polycarbonate (PC). The touch-sensing layer 108 may be a metal mesh of copper or silver or AgNWs. Alternatively, the material of the touch sensing layer 108 is indium tin oxide (ITO), poly (3,4-vinyldioxythiophene) (PEDOT) or carbon nanotube (CNT).
圓偏光層98更包含一第二光學膠層110，液晶分子堆疊層102更包含至少一相位差膜112與一線偏光層114。相位差膜112由旋光性液晶分子構成，相位差膜112設於觸控感測層108上。線偏光層114由液晶分子構成，線偏光層114設於相位差膜112上，透明蓋板100透過第二光學膠層110設於線偏光層114上。此外，還有由油墨形成之一遮蔽層116，其係塗布於第二光學膠層110與透明蓋板100之間。因為相位差膜112與線偏光層114塗布於觸控感測層108上，相位差膜112與線偏光層114之間以及相位差膜112與觸控感測層108之間皆未有黏膠存在，所以可以達到薄化與彎曲效果。在第五實施例中，相位差膜112之數量為二，其係為二分之一波長相位差膜118與四分之一波長相位差膜120，四分之一波長相位差膜120設於觸控感測層108上，二分之一波長相位差膜118設於四分之一波長相位差膜120上，且線偏光層114設於二分之一波長相位差膜118上。線偏光層114與四分之一波長相位差膜120之厚度皆為1-10微米。線偏光層114與四分之一波長相位差膜120之偏光角度為45度，偏光度達80％～99.5％，穿透率為33％～45％，可撓曲直徑小於5毫米。由於本發明利用液晶分子堆疊層102來構成圓偏光層98，所以不需要拉伸薄膜，以避免使用支撐基材與任何黏膠，進而大幅降低整體厚度，以利彎折。The circular polarizing layer 98 further includes a second optical adhesive layer 110, and the liquid crystal molecular stack layer 102 further includes at least a retardation film 112 and a linear polarizing layer 114. The phase difference film 112 is composed of optically active liquid crystal molecules, and the phase difference film 112 is provided on the touch sensing layer 108. The linear polarizing layer 114 is composed of liquid crystal molecules, the linear polarizing layer 114 is provided on the phase difference film 112, and the transparent cover plate 100 is disposed on the linear polarizing layer 114 through the second optical adhesive layer 110. In addition, there is a shielding layer 116 formed by ink, which is coated between the second optical adhesive layer 110 and the transparent cover plate 100. Because the phase difference film 112 and the linear polarizing layer 114 are coated on the touch sensing layer 108, there is no adhesive between the phase difference film 112 and the linear polarizing layer 114 and between the phase difference film 112 and the touch sensing layer 108 Exists, so thinning and bending can be achieved. In the fifth embodiment, the number of retardation films 112 is two, which are the half-wave retardation film 118 and the quarter-wave retardation film 120, and the quarter-wave retardation film 120 is provided at On the touch sensing layer 108, the half-wave retardation film 118 is provided on the quarter-wave retardation film 120, and the linear polarizing layer 114 is provided on the half-wave retardation film 118. The thickness of the linear polarizing layer 114 and the quarter-wave retardation film 120 are both 1-10 microns. The linear polarizing layer 114 and the quarter-wave retardation film 120 have a polarization angle of 45 degrees, a polarization degree of 80% to 99.5%, a transmittance of 33% to 45%, and a flexible diameter of less than 5 mm. Since the liquid crystal molecular stack layer 102 is used to form the circular polarizing layer 98 in the present invention, there is no need to stretch the film, so as to avoid the use of a supporting substrate and any adhesive, thereby greatly reducing the overall thickness to facilitate bending.
以下請參閱第6圖， 以介紹本發明之觸控顯示裝置之第六實施例。第六實施例與第五實施例差別在於觸控感測模組96，其餘結構與第五實施例相同，於此不再贅述。在第六實施例中，觸控感測模組96更包含一第一光學膠層104、一觸控感測層108與一透明基板106。第一光學膠層104設於發光模組94上，觸控感測層108設於第一光學膠層104上，透明基板106設於觸控感測層108上，圓偏光層98之四分之一波長相位差膜120設於透明基板106上。因為相位差膜112與線偏光層114塗布於透明基板106上，相位差膜112與線偏光層114之間以及相位差膜112與透明基板106之間皆未有黏膠存在，所以可以達到薄化與彎曲效果。The following refers to FIG. 6 to introduce the sixth embodiment of the touch display device of the present invention. The difference between the sixth embodiment and the fifth embodiment lies in the touch-sensing module 96, and the rest of the structure is the same as that of the fifth embodiment, which will not be repeated here. In the sixth embodiment, the touch sensing module 96 further includes a first optical adhesive layer 104, a touch sensing layer 108 and a transparent substrate 106. The first optical adhesive layer 104 is disposed on the light emitting module 94, the touch sensing layer 108 is disposed on the first optical adhesive layer 104, the transparent substrate 106 is disposed on the touch sensing layer 108, and the quarter of the circular polarizing layer 98 One wavelength retardation film 120 is provided on the transparent substrate 106. Since the phase difference film 112 and the linear polarizing layer 114 are coated on the transparent substrate 106, there is no adhesive between the phase difference film 112 and the linear polarizing layer 114 and between the phase difference film 112 and the transparent substrate 106, so it can be thin And bending effect.
以下請參閱第7圖， 以介紹本發明之觸控顯示裝置之第七實施例。觸控顯示裝置包含一發光模組122、一圓偏光層124、一觸控感測模組126與一透明蓋板128。觸控感測模組126與圓偏光層124彼此堆疊以設於發光模組122上，圓偏光層124具有一液晶分子堆疊層130，且圓偏光層124係以塗布方式形成。透明蓋板128設於觸控感測模組126或圓偏光層124上。舉例來說，發光模組122為主動矩陣有機發光二極體（AMOLED）模組，透明蓋板128之材質為玻璃、環烯烴聚合物（COP）、無機透明聚醯亞胺（CPI）或聚偏二氯乙烯（HPVDF）。此外，在第七實施例中，圓偏光層124、觸控感測模組126與透明蓋板128係依序堆疊於發光模組122上。Please refer to FIG. 7 below to introduce the seventh embodiment of the touch display device of the present invention. The touch display device includes a light emitting module 122, a circular polarizing layer 124, a touch sensing module 126 and a transparent cover 128. The touch sensing module 126 and the circular polarizing layer 124 are stacked on each other to be disposed on the light emitting module 122. The circular polarizing layer 124 has a liquid crystal molecular stack layer 130, and the circular polarizing layer 124 is formed by coating. The transparent cover 128 is disposed on the touch sensing module 126 or the circular polarizing layer 124. For example, the light-emitting module 122 is an active matrix organic light-emitting diode (AMOLED) module, and the material of the transparent cover plate 128 is glass, cycloolefin polymer (COP), inorganic transparent polyimide (CPI) or polymer Vinylidene chloride (HPVDF). In addition, in the seventh embodiment, the circular polarizing layer 124, the touch sensing module 126 and the transparent cover 128 are sequentially stacked on the light emitting module 122.
具體而言，圓偏光層124更包含一第一光學膠層132，液晶分子堆疊層130更包含至少一相位差膜134與一線偏光層136。相位差膜134由旋光性液晶分子構成，相位差膜134透過第一光學膠層132設於發光模組122上。線偏光層136由液晶分子構成，線偏光層136設於相位差膜134上，且觸控感測模組126設於線偏光層136上。在第七實施例中，相位差膜134之數量為二，其係為二分之一波長相位差膜138與四分之一波長相位差膜140，四分之一波長相位差膜140設於第一光學膠層132上，二分之一波長相位差膜138設於四分之一波長相位差膜140上，且線偏光層136設於二分之一波長相位差膜138上。線偏光層136與四分之一波長相位差膜140之厚度皆為1-10微米。線偏光層136與四分之一波長相位差膜140之偏光角度為45度，偏光度達80％～99.5％，穿透率為33％～45％，可撓曲直徑小於5毫米。由於本發明利用液晶分子堆疊層130來構成圓偏光層124，所以不需要拉伸薄膜，以避免使用支撐基材與任何黏膠，進而大幅降低整體厚度，以利彎折。Specifically, the circular polarizing layer 124 further includes a first optical adhesive layer 132, and the liquid crystal molecular stack layer 130 further includes at least a retardation film 134 and a linear polarizing layer 136. The phase difference film 134 is composed of optically active liquid crystal molecules, and the phase difference film 134 is disposed on the light emitting module 122 through the first optical adhesive layer 132. The linear polarizing layer 136 is composed of liquid crystal molecules, the linear polarizing layer 136 is disposed on the phase difference film 134, and the touch sensing module 126 is disposed on the linear polarizing layer 136. In the seventh embodiment, the number of retardation films 134 is two, which are a half-wave retardation film 138 and a quarter-wave retardation film 140, and the quarter-wave retardation film 140 is provided at On the first optical adhesive layer 132, the half-wave retardation film 138 is provided on the quarter-wave retardation film 140, and the linear polarizing layer 136 is provided on the half-wave retardation film 138. The thickness of the linear polarizing layer 136 and the quarter-wave retardation film 140 are both 1-10 microns. The linear polarizing layer 136 and the quarter-wave retardation film 140 have a polarization angle of 45 degrees, a polarization degree of 80% to 99.5%, a transmittance of 33% to 45%, and a flexible diameter of less than 5 mm. Since the present invention uses the liquid crystal molecular stack layer 130 to form the circular polarizing layer 124, there is no need to stretch the film to avoid the use of a supporting substrate and any adhesive, thereby greatly reducing the overall thickness to facilitate bending.
觸控感測模組126更包含一透明基板142、一觸控感測層144與一第二光學膠層146。透明基板142設於線偏光層136上，觸控感測層144設於透明基板142上，第二光學膠層設146於觸控感測層144上，透明蓋板128設於第二光學膠層146上。此外，還有由油墨形成之一遮蔽層148，其係塗布於第二光學膠層146與透明蓋板128之間。舉例來說，透明基板142可選擇雙折射率材質，例如為聚对苯二甲酸乙二酯（PET）或無機透明聚醯亞胺（CPI）。此外，透明基板142亦可選擇無雙折射率材質，例如為玻璃、環烯烴聚合物（COP）、聚偏二氯乙烯（HPVDF）、環狀嵌段共聚物（CBC）或聚碳酸酯（PC）。觸控感測層144可為銅或銀之金屬網格(metal mesh)或奈米銀線(AgNWs)。或者，觸控感測層144之材質為氧化銦錫（ITO）、聚(3,4-乙烯基二氧噻吩)(PEDOT)或奈米碳管(CNT)。因為相位差膜134與線偏光層136塗布於透明基板142上，相位差膜134與線偏光層136之間以及線偏光層136與透明基板142之間皆未有黏膠存在，所以可以達到薄化與彎曲效果。The touch sensing module 126 further includes a transparent substrate 142, a touch sensing layer 144 and a second optical adhesive layer 146. The transparent substrate 142 is disposed on the linear polarizing layer 136, the touch sensing layer 144 is disposed on the transparent substrate 142, the second optical adhesive layer is disposed 146 on the touch sensing layer 144, and the transparent cover plate 128 is disposed on the second optical adhesive Level 146. In addition, there is a masking layer 148 formed of ink, which is coated between the second optical adhesive layer 146 and the transparent cover plate 128. For example, the transparent substrate 142 can be selected from birefringent materials, such as polyethylene terephthalate (PET) or inorganic transparent polyimide (CPI). In addition, the transparent substrate 142 can also be selected from materials without birefringence, such as glass, cyclic olefin polymer (COP), polyvinylidene chloride (HPVDF), cyclic block copolymer (CBC) or polycarbonate (PC) . The touch sensing layer 144 may be a metal mesh of copper or silver or AgNWs. Alternatively, the material of the touch sensing layer 144 is indium tin oxide (ITO), poly (3,4-vinyldioxythiophene) (PEDOT) or carbon nanotube (CNT). Because the phase difference film 134 and the linear polarizing layer 136 are coated on the transparent substrate 142, there is no adhesive between the phase difference film 134 and the linear polarizing layer 136 and between the linear polarizing layer 136 and the transparent substrate 142, so it can be thin And bending effect.
以下請參閱第8圖， 以介紹本發明之觸控顯示裝置之第八實施例。第八實施例與第七實施例差別在於觸控感測模組126，其餘結構與第七實施例相同，於此不再贅述。在第八實施例中，觸控感測模組126更包含一觸控感測層144、一透明基板142與一第二光學膠層146。觸控感測層144設於線偏光層136上，透明基板142設於觸控感測層144上，第二光學膠層146設於透明基板142上，透明蓋板128設於第二光學膠層146上。因為相位差膜134與線偏光層136塗布於觸控感測層144上，相位差膜134與線偏光層136之間以及線偏光層136與觸控感測層144之間皆未有黏膠存在，所以可以達到薄化與彎曲效果。Please refer to FIG. 8 to introduce the eighth embodiment of the touch display device of the present invention. The difference between the eighth embodiment and the seventh embodiment lies in the touch sensing module 126. The rest of the structure is the same as that of the seventh embodiment, and will not be repeated here. In the eighth embodiment, the touch sensing module 126 further includes a touch sensing layer 144, a transparent substrate 142, and a second optical adhesive layer 146. The touch sensing layer 144 is disposed on the linear polarizing layer 136, the transparent substrate 142 is disposed on the touch sensing layer 144, the second optical adhesive layer 146 is disposed on the transparent substrate 142, and the transparent cover plate 128 is disposed on the second optical adhesive Level 146. Because the phase difference film 134 and the linear polarizing layer 136 are coated on the touch sensing layer 144, there is no adhesive between the phase difference film 134 and the linear polarizing layer 136 and between the linear polarizing layer 136 and the touch sensing layer 144 Exists, so thinning and bending can be achieved.
綜上所述，本發明利用液晶分子堆疊層來構成圓偏光層，以避免使用支撐基材與任何黏膠，進而大幅降低觸控顯示裝置之整體厚度，以利彎折。In summary, the present invention uses a stack of liquid crystal molecules to form a circular polarizing layer, so as to avoid the use of a supporting substrate and any adhesive, thereby greatly reducing the overall thickness of the touch display device to facilitate bending.
以上所述者，僅為本發明一較佳實施例而已，並非用來限定本發明實施之範圍，故舉凡依本發明申請專利範圍所述之形狀、構造、特徵及精神所為之均等變化與修飾，均應包括於本發明之申請專利範圍內。The above is only a preferred embodiment of the present invention and is not intended to limit the scope of the implementation of the present invention. Therefore, all changes and modifications based on the shape, structure, features and spirit described in the patent application scope of the present invention are cited. , Should be included in the scope of the patent application of the present invention.
34‧‧‧發光模組34‧‧‧Light Module
36‧‧‧觸控感測模組36‧‧‧Touch sensing module
38‧‧‧圓偏光層38‧‧‧Circular polarizing layer
40‧‧‧透明蓋板40‧‧‧Transparent cover
42‧‧‧液晶分子堆疊層42‧‧‧Liquid crystal molecular stack
44‧‧‧配向層44‧‧‧Alignment layer
46‧‧‧第一光學膠層46‧‧‧First optical adhesive layer
48‧‧‧透明基板48‧‧‧Transparent substrate
50‧‧‧觸控感測層50‧‧‧Touch sensing layer
52‧‧‧第二光學膠層52‧‧‧Second optical adhesive layer
54‧‧‧相位差膜54‧‧‧Phase difference film
56‧‧‧線偏光層56‧‧‧Linear polarizing layer
58‧‧‧遮蔽層58‧‧‧ masking layer
60‧‧‧二分之一波長相位差膜60‧‧‧1 / 2 wavelength retardation film
62‧‧‧四分之一波長相位差膜62‧‧‧ quarter-wave retardation film
64‧‧‧發光模組64‧‧‧Light module
66‧‧‧圓偏光層66‧‧‧Circular polarizing layer
68‧‧‧觸控感測模組68‧‧‧Touch sensing module
70‧‧‧透明蓋板70‧‧‧Transparent cover
72‧‧‧液晶分子堆疊層72‧‧‧Liquid crystal stack
74‧‧‧配向層74‧‧‧Alignment layer
76‧‧‧相位差膜76‧‧‧Phase difference film
78‧‧‧線偏光層78‧‧‧Linear polarizing layer
80‧‧‧二分之一波長相位差膜80‧‧‧1 / 2 wavelength retardation film
82‧‧‧四分之一波長相位差膜82‧‧‧ quarter-wave retardation film
84‧‧‧第一光學膠層84‧‧‧First optical adhesive layer
86‧‧‧透明基板86‧‧‧Transparent substrate
88‧‧‧觸控感測層88‧‧‧Touch sensing layer
90‧‧‧第二光學膠層90‧‧‧Second optical adhesive layer
92‧‧‧遮蔽層92‧‧‧Occlusion layer
94‧‧‧發光模組94‧‧‧Light Module
96‧‧‧觸控感測模組96‧‧‧Touch sensing module
98‧‧‧圓偏光層98‧‧‧Circular polarizing layer
100‧‧‧透明蓋板100‧‧‧Transparent cover
102‧‧‧液晶分子堆疊層102‧‧‧Liquid crystal molecular stack
104‧‧‧第一光學膠層104‧‧‧First optical adhesive layer
106‧‧‧透明基板106‧‧‧Transparent substrate
108‧‧‧觸控感測層108‧‧‧Touch sensing layer
110‧‧‧第二光學膠層110‧‧‧Second optical adhesive layer
112‧‧‧相位差膜112‧‧‧Phase difference film
114‧‧‧線偏光層114‧‧‧Linear polarizing layer
116‧‧‧遮蔽層116‧‧‧Occlusion layer
118‧‧‧二分之一波長相位差膜118‧‧‧1 / 2 wavelength retardation film
120‧‧‧四分之一波長相位差膜120‧‧‧ quarter-wave retardation film
122‧‧‧發光模組122‧‧‧Lighting module
124‧‧‧圓偏光層124‧‧‧Circular polarizing layer
126‧‧‧觸控感測模組126‧‧‧Touch sensing module
128‧‧‧透明蓋板128‧‧‧Transparent cover
130‧‧‧液晶分子堆疊層130‧‧‧Liquid crystal molecular stack
132‧‧‧第一光學膠層132‧‧‧First optical adhesive layer
134‧‧‧相位差膜134‧‧‧Phase difference film
136‧‧‧線偏光層136‧‧‧Linear polarizing layer
138‧‧‧二分之一波長相位差膜138‧‧‧1 / 2 wavelength retardation film
140‧‧‧四分之一波長相位差膜140‧‧‧ quarter-wave retardation film
142‧‧‧透明基板142‧‧‧Transparent substrate
144‧‧‧觸控感測層144‧‧‧Touch sensing layer
146‧‧‧第二光學膠層146‧‧‧Second optical adhesive layer
148‧‧‧遮蔽層148‧‧‧ masking layer
第1圖為本發明之觸控顯示裝置之第一實施例之結構剖視圖。 第2圖為本發明之觸控顯示裝置之第二實施例之結構剖視圖。 第3圖為本發明之觸控顯示裝置之第三實施例之結構剖視圖。 第4圖為本發明之觸控顯示裝置之第四實施例之結構剖視圖。 第5圖為本發明之觸控顯示裝置之第五實施例之結構剖視圖。 第6圖為本發明之觸控顯示裝置之第六實施例之結構剖視圖。 第7圖為本發明之觸控顯示裝置之第七實施例之結構剖視圖。 第8圖為本發明之觸控顯示裝置之第八實施例之結構剖視圖。FIG. 1 is a structural cross-sectional view of a first embodiment of the touch display device of the present invention. 2 is a cross-sectional view of the structure of the second embodiment of the touch display device of the present invention. FIG. 3 is a structural cross-sectional view of a third embodiment of the touch display device of the present invention. 4 is a cross-sectional view of the structure of the fourth embodiment of the touch display device of the present invention. FIG. 5 is a structural cross-sectional view of a fifth embodiment of the touch display device of the present invention. FIG. 6 is a structural cross-sectional view of a sixth embodiment of the touch display device of the present invention. 7 is a cross-sectional view of a structure of a seventh embodiment of the touch display device of the present invention. 8 is a cross-sectional view of the structure of an eighth embodiment of the touch display device of the present invention.
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