TWI726849B - Optical film, light-emitting device having the optical film, and display having the light-emitting device - Google Patents
Optical film, light-emitting device having the optical film, and display having the light-emitting device Download PDFInfo
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- G—PHYSICS
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- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
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- G02B3/00—Simple or compound lenses
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- G02B3/0062—Stacked lens arrays, i.e. refractive surfaces arranged in at least two planes, without structurally separate optical elements in-between
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- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—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
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133614—Illuminating devices using photoluminescence, e.g. phosphors illuminated by UV or blue light
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Abstract
一種光學膜,包含一第一基材、一第二基材、一擴散層,及多個微結構。該第一基材包括一第一面,及一相反於該第一面的入光面。該第二基材與該第一基材間隔設置,並包括一朝向該第一面的第二面,及一相反於該第二面的出光面。該擴散層位於該第一基材與該第二基材之間,並包括多個量子點。該等微結構形成於該第一基材的該入光面。其中,一第一色光能經由該第一基材的該入光面通過擴散層,並由該第二基材的出光面射出,且該第一色光能激發該等量子點發出一波長大於該第一色光之波長的第二色光。本發明還提供一種具有該光學膜的發光裝置,及具有該發光裝置的顯示器。An optical film includes a first substrate, a second substrate, a diffusion layer, and a plurality of microstructures. The first substrate includes a first surface and a light incident surface opposite to the first surface. The second substrate is spaced apart from the first substrate, and includes a second surface facing the first surface, and a light-emitting surface opposite to the second surface. The diffusion layer is located between the first substrate and the second substrate, and includes a plurality of quantum dots. The microstructures are formed on the light incident surface of the first substrate. Wherein, a first color light can pass through the diffusion layer through the light incident surface of the first substrate, and be emitted from the light exit surface of the second substrate, and the first color light can excite the quantum dots to emit a wavelength The second color light that is greater than the wavelength of the first color light. The present invention also provides a light-emitting device with the optical film, and a display with the light-emitting device.
Description
本發明是有關於一種光學膜、發光裝置,及顯示器,特別是指一種能提升色域的光學膜、使用該光學膜的發光裝置,及使用該發光裝置的顯示器。The present invention relates to an optical film, a light-emitting device, and a display, in particular to an optical film that can improve color gamut, a light-emitting device using the optical film, and a display using the light-emitting device.
相較於傳統有機螢光材料,量子點螢光材料具有較佳的發光效率,且不同材料或粒徑的量子點螢光材料在受到激發光源照射後,會發出不同波長的激發光,因此,目前已受到相關技術領域的高度重視。Compared with traditional organic fluorescent materials, quantum dot fluorescent materials have better luminous efficiency, and quantum dot fluorescent materials of different materials or particle sizes will emit excitation light of different wavelengths after being irradiated by the excitation light source. Therefore, At present, it has received great attention from related technical fields.
一般來說,將量子點螢光材料應用於一顯示器的背光模組時,主要是透過一具有單一顏色的發光二極體單元作為激發光源,用以激發不同材料或粒徑的量子點螢光材料,而產生多種不同色光的光源,再將該等不同色光彼此混光作為該顯示器的背光模組的背光源。舉例來說,一般是以藍光發光二極體作為激發光源,以激發不同材料或粒徑的量子點螢光材料而產生紅光及綠光,再將紅光、綠光,及藍光以混光的方式形成白光以作為該背光模組的背光源。Generally speaking, when a quantum dot fluorescent material is applied to a backlight module of a display, a light emitting diode unit with a single color is mainly used as an excitation light source to excite quantum dot fluorescence of different materials or particle sizes. Materials, and light sources that generate a variety of different colors of light, and then mix the different colors of light with each other as the backlight source of the backlight module of the display. For example, a blue light emitting diode is generally used as the excitation light source to excite quantum dot fluorescent materials of different materials or particle sizes to generate red light and green light, and then mix the red light, green light, and blue light. The way to form white light as the backlight source of the backlight module.
然而,以前述方式混光產生的白光,會因各色光的光頻譜呈連續分佈,而使得整體的色純度降低,也就是說,以前述的背光模組應用於顯示器時,會造成該顯示器的色彩表現範圍(色域)降低,導致部分實際的色彩無法呈現。其中,色域(color gamut)即是該顯示器所能表達的顏色數量所構成的範圍區域,也就是其所能表現的顏色範圍,而此顏色範圍是在色度圖上由紅(R)、綠(G)、藍(B)三原色的座標所圍成的三角形面積,三角形的面積越大代表色域範圍越廣,所能表現的色彩也就越豐富而更為真實。However, the white light generated by mixing light in the foregoing manner will reduce the overall color purity due to the continuous distribution of the light spectrum of each color light. That is to say, when the foregoing backlight module is applied to a display, it will cause the display to suffer The color representation range (color gamut) is reduced, causing some actual colors to be unrepresented. Among them, the color gamut is the range area formed by the number of colors that the display can express, that is, the range of colors that it can express, and this color range is represented by red (R), The area of the triangle enclosed by the coordinates of the three primary colors of green (G) and blue (B). The larger the area of the triangle, the wider the color gamut, and the richer and more realistic colors it can express.
由此可知,影響該顯示器的色域呈現能力的主要因素之一即是取決於該背光模組所發出的背光源。當應用於該顯示器的背光模組能發出高色域的背光源時,才能使該顯示器呈現的色彩更為豐富,而能呈現出更接近物體本身的顏色且色彩鮮明;反之,低色域的背光源則會使該顯示器所呈現的顏色產生偏差,而無法完全表現出物體實際的顏色。It can be seen that one of the main factors affecting the color gamut rendering ability of the display depends on the backlight source emitted by the backlight module. When the backlight module applied to the display can emit a high color gamut backlight, the display can display richer colors, and can present colors closer to the object itself with vivid colors; conversely, low color gamut The backlight will cause the color displayed by the display to deviate, and cannot fully express the actual color of the object.
因此,如何讓該背光模組所發出的背光源具有高色域範圍,而使該顯示器具有優異的色彩表現,是本領域技術人員所待解決的課題。Therefore, how to make the backlight source emitted by the backlight module have a high color gamut range so that the display has excellent color performance is a problem to be solved by those skilled in the art.
因此,本發明之目的,即在提供一種光學膜。Therefore, the object of the present invention is to provide an optical film.
於是,本發明該光學膜於一第一色光入射該光學膜後,能激發出一波長大於該第一色光之波長的第二色光,該光學膜包含一第一基材、一第二基材、一擴散層,及多個微結構。Therefore, the optical film of the present invention can excite a second color light having a wavelength greater than that of the first color light after a first color light enters the optical film. The optical film includes a first substrate and a second color light. Substrate, a diffusion layer, and multiple microstructures.
該第一基材包括一第一面,及一相反於該第一面的入光面。The first substrate includes a first surface and a light incident surface opposite to the first surface.
該第二基材與該第一基材間隔設置,並包括一朝向該第一面的第二面,及一相反於該第二面的出光面。The second substrate is spaced apart from the first substrate, and includes a second surface facing the first surface, and a light-emitting surface opposite to the second surface.
該擴散層位於該第一基材與該第二基材之間,並包括多個量子點。The diffusion layer is located between the first substrate and the second substrate, and includes a plurality of quantum dots.
該等微結構形成於該第一基材的該入光面。The microstructures are formed on the light incident surface of the first substrate.
其中,該第一色光能經由該第一基材的該入光面通過擴散層,並由該第二基材的出光面射出,且該第一色光能激發該等量子點發出該第二色光。Wherein, the first color light can pass through the diffusion layer through the light-incident surface of the first substrate, and is emitted from the light-emitting surface of the second substrate, and the first color light can excite the quantum dots to emit the first Two-color light.
此外,本發明之另一目的,在提供一發光裝置。In addition, another object of the present invention is to provide a light emitting device.
於是,本發明發光裝置包含:一如前所述的光學膜,及一發光單元。Therefore, the light-emitting device of the present invention includes: an optical film as described above, and a light-emitting unit.
該發光單元位於該光學膜之該第一基材的該入光面一側,且能發出一第一色光,該第一色光能經由該等微結構而由該第一基材的該入光面入射至該擴散層,並由該第二基材的出光面射出,且該第一色光能激發該等量子點發出一波長大於該第一色光之波長的第二色光。The light-emitting unit is located on the side of the light incident surface of the first substrate of the optical film, and can emit a first color light, and the first color light can be transferred from the first substrate through the microstructures. The light incident surface is incident on the diffusion layer and emitted from the light exit surface of the second substrate, and the first color light can excite the quantum dots to emit a second color light with a wavelength greater than that of the first color light.
本發明之又一目的,即在於提供一種顯示器。Another object of the present invention is to provide a display.
於是,本發明顯示器包含:一如前述的發光裝置,及一面板。Therefore, the display of the present invention includes: the light-emitting device as described above, and a panel.
該面板位於該發光裝置之光學膜的該第二基材的該出光面一側,並藉由該發光裝置所發出的光產生光學效果而呈現一預定影像。The panel is located on the side of the light-emitting surface of the second substrate of the optical film of the light-emitting device, and generates an optical effect by the light emitted by the light-emitting device to present a predetermined image.
本發明之功效在於:藉由在該第一基材的入光面設置該等微結構,使該第一色光透過該等微結構改變其光路徑而於該擴散層中激發更多的該等量子點,進而使得該等色光的光強度能更佳均勻地分佈,以達到廣色域的目的。The effect of the present invention is that by arranging the microstructures on the light incident surface of the first substrate, the first color light can pass through the microstructures to change its light path and excite more of the diffusion layer in the diffusion layer. Equivalent quantum dots, so that the light intensity of the color light can be more uniformly distributed, in order to achieve the purpose of wide color gamut.
參閱圖1 與圖2 ,本發明光學膜1 0的一第一實施例包含一第一基材1、一第二基材2、一位於該第一基材1與該第二基材2之間的擴散層3,及多個形成於該第一基材1與該第二基材2 的微結構4 。1 and 2, a first embodiment of the
該第一基材1包括一第一面11,及一相反於該第一面11的入光面12。該第二基材2與該第一基材1間隔設置,並包括一朝向該第一面11的第二面21,及一相反於該第二面21的出光面22。其中,該第一基材1與該第二基材2是由一可撓性透明材質所構成。適用於本實施例的可撓性透明材質可以是聚對苯二甲酸乙二酯(polyethylene terephthalate,PET)、聚萘二甲酸乙二醇酯(polyethylene naphthalate,PEN),或聚碳酸酯(polycarbonate,PC),但不限於此。於本實施例中,該第一基材1與該第二基材2是以聚對苯二甲酸乙二酯(PET)為例作說明。The first substrate 1 includes a
該擴散層3位於該第一基材1的第一面11與該第二基材2的第二面21之間,並具有多個量子點31。該等量子點231是一種奈米晶體半導體材料,主要是由II-VI或III-V族化合物所合成之半導體量子點,可於受到激發光的照射後,而發出不同於激發光的二次光線。該等量子點231可藉由材料的選用或粒徑大小的調整,改變受到激發光照射後的發光波長,從而發出不同顏色的色光。要說明的是,該擴散層3的製備可以是先將該等量子點31分散於一膠態系統中,再利用塗佈方式塗佈於該第一面11或第二面21其中任一,形成一膠膜,接著可視該等量子點31的材料選擇是否進行退火,而可得到該擴散層3。由於該擴散層3的製備及該等量子點31的材料選擇為本技術領域所知悉,因此不再多加說明。The
該等微結構4分別緊鄰連接地形成於該第一基材1的該入光面12及該第二基材2的出光面22,且該光學膜10還包括多條圍繞該等微結構4的底凹溝5。The
具體地說,於該第一實施例中,該等微結構4為遠離該入光面12及該出光面22方向凸伸而概呈半圓形的微透鏡,用以讓光線在入射或離開該光學膜10時產生折射而改變其光路徑即可。要說明的是,本實施例的該等微結構4雖為凸出概呈半圓形的微透鏡,但因該等微結構4為彼此緊鄰地連接,所以該每一個微結構4的邊緣會因緊靠而呈現如圖1之俯視圖所示的正六角形圖樣,但該每一個微結構4的緊靠排列方式並不限於此,還可以是呈矩形的陣列排列,更可以是不規則地亂數分佈。Specifically, in the first embodiment, the
較佳地,該每一個微結構4都具有一位於幾何中心的頂點P,及一由該入光面12與該出光面22至該頂點P的高度H。該等底凹溝5都具有一曲率半徑R,且兩兩相鄰平行的底凹溝5具有一陣列間距W。Preferably, each
更佳地,於本實施例中,該每一個微結構4的該高度H與該陣列間距W的高寬比值介於3.0%~60%;其中,該每一個微結構4的該高度H是介於1.0~40μm,該陣列間距W介於6.0μm~60μm,該曲率半徑R則是介於1.0μm~7.0μm。More preferably, in this embodiment, the aspect ratio of the height H of each
本發明光學膜10的一第二實施例與該第一實施例大致相同,其不同之處在於,該等微結構4為向上凸伸而概呈錐形的微透鏡,且該等微結構4也是彼此緊鄰地連接,從而使該等微結構4的邊緣因緊靠而呈正六角形圖樣,且該每一個微結構4的該高度H與該陣列間距W的高寬比值介於3.0%~60%;該曲率半徑R介於1.0μm~7.0μm;該每一個微結構4的該高度H是介於1μm~40μm;該陣列間距W介於6μm~60μm。A second embodiment of the
本發明光學膜10的一第三實施例與該第一實施例大致相同,其不同之處在於,該等微結構4為向上凸伸而概呈不規則形的微透鏡,因為該等微結構4也是彼此緊鄰地連接,從而使該等微結構4的邊緣因緊靠而呈正六角形圖樣,因此,該第三實施例所述的不規則形是指向上凸伸成不同形狀高度的微透鏡,且該每一個微結構4的該高度H與該陣列間距W的高寬比值介於3%~60%;該每一個微結構4的該高度H是介於1μm~40μm;該陣列間距W介於6μm~60μm。A third embodiment of the
配合地參閱圖3,圖3是使用本發明的光學膜10與一發光單元6共同構成一發光裝置7。要說明的是,該光學膜10可以是該第一實施例~該第三實施例的其中一者,圖3所顯示的該發光裝置7中的該光學膜10是以該第一實施例為例作說明。該發光裝置7的應用範圍並沒有特別限制,可應用於例如照明設備或背光模組等相關領域。In conjunction with FIG. 3, FIG. 3 shows a light-
具體地說,該發光單元6位於該第一基材1的該入光面12的一側,而能發出一第一色光λ1
,讓該第一色光λ1
入射至該光學膜10後,能激發出一波長大於該第一色光λ1
之波長的第二色光λ2
(圖未示)。Specifically, the
該第一色光λ1
由該發光單元6發出後,即會經由該第一基材1的該等微結構4折射,再由該入光面12入射通過該擴散層3,並同時激發該擴散層3中的該等量子點31而發出該第二色光λ2
,被激發出的該第二色光λ2
會與該第一色光λ1
彼此相混光後,再由該第二基材2的出光面22射出。After the first color light λ 1 is emitted by the light-emitting
詳細地說,該光學膜10的該擴散層3中,通常具有兩種以上不同粒徑或材料的該等量子點31,用以使該發光單元6發出的該第一色光λ1
能激發該等量子點31而產生不同色光。本發明該發光裝置7的該擴散層3中是以兩種不同粒徑的量子點31為例,從而使該第一色光λ1
激發此兩種量子點31而產生該第二色光λ2
,及一波長大於該第二色光λ2
的第三色光λ3
(圖未示),進而彼此相混光。In detail, the
更詳細地來說,本發明該發光單元6可包含多個發出藍光的發光二極體(LED)作為發光源,以令藍光作為該第一色光λ1
,並於該擴散層3中使用兩種分別能受藍光激發出綠光及紅光的量子點31,即,該第一色光λ1
、該第二色光λ2
,及該第三色光λ3
分別為藍光、綠光,及紅光。換句話說,當藍光入射至該擴散層3中激發各量子點31而產生綠光與紅光時,此三種顏色個光會彼此相混合成白光而由該出光面22出光。由於該發光單元6的材料選用與細部結構態樣為所屬技術領域者所周知,且非為本發明之技術重點,因此不再多加贅述。In more detail, the light-emitting
此處須說明的是,由於本發明該光學膜10設置有該等微結構4,且進一步藉由讓該等微結構4具有特定的高寬比值(H/W=3%~60%)及讓該底凹溝5的曲率半徑R介於1.0μm~7.0μm之間,從而能使該發光單元6發出的該第一色光λ1
經該等微結構4產生折射以增加其在該擴散層3中的光路徑,能激發更多的該等量子點31而有效地提升綠光與紅光的轉換效率。也就是說,藉由產生更多的綠光與紅光,而可調整藍光、綠光,及紅光三者的強度比例,進而擴大藍光、綠光,及紅光三原色於色度圖的座標所圍成的三角形面積,從而達到廣色域的目的,而不會因為其中一種色光具有較強或較弱的光強度,而使其相混合的白光呈現顏色產生偏差的情況。此外,於該第二基材2設置的該等微結構4,還能使其混光有效降低由該出光面22表面出光產生的全反射現象,從而提升整體光萃取率。It should be noted here that because the
參閱圖4,將本發明該發光裝置7應用成背光模組時,而能與一面板81共同構成一顯示器8。該面板81位於該發光裝置7之該光學膜10的該第二基材2的該出光面22一側,並藉由該發光裝置7所發出的光產生光學效果而呈現一預定影像。該面板81包括偏光板、液晶、配向膜、彩色濾光片等結構,由於該面板81的細部結構與材料選用為所屬技術領域者所周知,且可依現有技術加以實現,於此不再多加贅述。該顯示器8即藉由該發光裝置1的設置而有效地提升色域範圍,進而實現高品質的色彩效果,以使該具有廣色域的顯示器8所呈現出的色彩更為豐富、鮮豔,而能大幅提升使用者的視覺感受。Referring to FIG. 4, when the light-emitting
綜上所述,本發明藉由在該光學膜10的該第一基材1的入光面12設置該等微結構4,並與一發光單元6共同構成一發光裝置7,使該發光單元6發出的該第一色光λ1
透過該等微結構4而改變其入射的光路徑,進而於該擴散層3中激發更多的該等量子點31,使藍光、綠光,及紅光相混成的白光達成廣色域,且形成於該第二基材2的出光面22的該等微結構4能降低由該出光面22出光產生的全反射現象;該發光裝置7不僅能滿足市場需求並提升經濟價值,還能將其應用於照明產業與顯示器之背光模組上,使具有該發光裝置7的顯示器8能實現更高品質的色彩效果,滿足消費者需求,以推動並拓展市場規模,確實能達到本發明之目的。To sum up, in the present invention, the
惟以上所述者,僅為本發明之實施例而已,當不能以此限定本發明實施之範圍,凡是依本發明申請專利範圍及專利說明書內容所作之簡單的等效變化與修飾,皆仍屬本發明專利涵蓋之範圍內。However, the above are only examples of the present invention. When the scope of implementation of the present invention cannot be limited by this, all simple equivalent changes and modifications made in accordance with the scope of the patent application of the present invention and the content of the patent specification still belong to This invention patent covers the scope.
10‧‧‧光學膜1‧‧‧第一基材11‧‧‧第一面12‧‧‧入光面2‧‧‧第二基材21‧‧‧第二面22‧‧‧出光面3‧‧‧擴散層31‧‧‧量子點4‧‧‧微結構5‧‧‧底凹溝6‧‧‧發光單元7‧‧‧發光裝置8‧‧‧顯示器81‧‧‧面板H‧‧‧高度P‧‧‧頂點R‧‧‧曲率半徑W‧‧‧陣列間距λ1‧‧‧第一色光10‧‧‧Optical film 1‧‧‧
本發明之其他的特徵及功效, 將於參照圖式的實施方式中清楚地呈現, 其中: 圖1 是一俯視示意圖, 說明本發明光學膜的一第一實施例; 圖2 是沿圖1 之直線I I - I I所取得的一剖視示意圖,輔助說明本發明光學膜的該第一實施例; 圖3 是一剖視示意圖,說明本發明具有該光學膜的一發光裝置;及 圖4 是一部視示意圖,說明本發明具有該發光裝置的一顯示器。Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, in which: FIG. 1 is a schematic top view illustrating a first embodiment of the optical film of the present invention; FIG. 2 is along the line of FIG. 1 A schematic cross-sectional view taken by line II-II to assist in explaining the first embodiment of the optical film of the present invention; FIG. 3 is a schematic cross-sectional view illustrating a light-emitting device with the optical film of the present invention; and FIG. 4 is a diagram The partial schematic diagram illustrates a display with the light-emitting device of the present invention.
10‧‧‧光學膜 10‧‧‧Optical film
1‧‧‧第一基材 1‧‧‧First substrate
11‧‧‧第一面 11‧‧‧The first side
12‧‧‧入光面 12‧‧‧Glossy surface
2‧‧‧第二基材 2‧‧‧Second base material
21‧‧‧第二面 21‧‧‧Second side
22‧‧‧出光面 22‧‧‧Glossy surface
31‧‧‧量子點 31‧‧‧Quantum Dot
4‧‧‧微結構 4‧‧‧Microstructure
5‧‧‧底凹溝 5‧‧‧Bottom groove
H‧‧‧高度 H‧‧‧Height
P‧‧‧頂點 P‧‧‧Vertex
R‧‧‧曲率半徑 R‧‧‧Radius of curvature
W‧‧‧陣列間距 W‧‧‧Array pitch
3‧‧‧擴散層 3‧‧‧Diffusion layer
Claims (10)
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TW104129108A TWI726849B (en) | 2015-09-03 | 2015-09-03 | Optical film, light-emitting device having the optical film, and display having the light-emitting device |
CN201610090167.0A CN106501995A (en) | 2015-09-03 | 2016-02-18 | Optical film, light emitting device having the same, and display having the light emitting device |
US15/250,114 US10156343B2 (en) | 2015-09-03 | 2016-08-29 | Optical film and lighting module including the same |
JP2016170593A JP2017049586A (en) | 2015-09-03 | 2016-09-01 | Optical film and light-emitting device having the same |
KR1020160112968A KR20170028277A (en) | 2015-09-03 | 2016-09-02 | Optical film and lighting module including the same |
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