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TW201007227A - Optical sheet, filter and image display device - Google Patents

Optical sheet, filter and image display device Download PDF

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Publication number
TW201007227A
TW201007227A TW098125236A TW98125236A TW201007227A TW 201007227 A TW201007227 A TW 201007227A TW 098125236 A TW098125236 A TW 098125236A TW 98125236 A TW98125236 A TW 98125236A TW 201007227 A TW201007227 A TW 201007227A
Authority
TW
Taiwan
Prior art keywords
light absorbing
external light
optical plate
slip agent
transmitting portion
Prior art date
Application number
TW098125236A
Other languages
Chinese (zh)
Inventor
Jeong-Woo Shon
Jong-Pil Chun
Bu-Seup Song
Hoi-Seok Jeong
Ki-Cheol Yoon
Original Assignee
Samsung Fine Chemicals Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Samsung Fine Chemicals Co Ltd filed Critical Samsung Fine Chemicals Co Ltd
Publication of TW201007227A publication Critical patent/TW201007227A/en

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Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/20Filters
    • G02B5/201Filters in the form of arrays
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/003Light absorbing elements
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/20Filters
    • G02B5/22Absorbing filters
    • G02B5/223Absorbing filters containing organic substances, e.g. dyes, inks or pigments
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/50Properties of the layers or laminate having particular mechanical properties
    • B32B2307/584Scratch resistance
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509Filters, e.g. light shielding masks
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2211/00Plasma display panels with alternate current induction of the discharge, e.g. AC-PDPs
    • H01J2211/20Constructional details
    • H01J2211/34Vessels, containers or parts thereof, e.g. substrates
    • H01J2211/44Optical arrangements or shielding arrangements, e.g. filters or lenses
    • H01J2211/448Near infrared shielding means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Optical Filters (AREA)

Abstract

Disclosed are an optical sheet, a filter including the same, and an image display device including the optical sheet or the filter. The optical sheet includes: a light transmission portion including a plurality of grooves spaced apart from each other; and a plurality of external light absorption portions which fill the grooves, wherein at least one selected from the group consisting of the light transmission portion and the external light absorption portions includes a slip agent.

Description

201007227 六、發明說明: 本申凊案主張在韓國專利局所申請的韓國專利申請 號為10-2008-0072937’申請日為2008年7月25日的優先 權,對於認可編入文獻參照之指定國家,藉由參照而將下 述專利申請案内容編入至本申請案中,作為本申請案的一 部分。 【發明所屬之技術領域】 本發明是有關於一種光學板(optical sheet)、具有前 述光學板的濾光器(filter)以及具有前述光學板或前述濾 光器的影像顯示裝置(image display device),且特別是 有關於一種具有少表面班點(surface spot)且增大刮痕抗 性(scratchresistance)的光學板、具有前述光學板的濾光 器以及具有前述光學板或前述濾光器的影像顯示裝置,且 此影像顯示裝置具有高影像品質。 【先前技術】 近年來,已發展出各種影像顯示裝置。例如,影像顯 示裝置包括:液晶顯示器(liquid crystal displays, LCDs )、 電漿顯示面板(plasma display panels, PDPs)、場發射顯 示器(field emission displays,FEDs )、陰極射線管(cathode ray tubes, CRTs )、真空螢光顯示器(vacuum fluorescence displays )以及場發射顯示面板(field emission display panels) ^這些影像顯示裝置藉由發出如紅、藍、綠三種 主要的光線來顯示彩色影像。 這樣的影像顯示裝置通常包括:形成影像的面板組 201007227 S2V0^pit 件以及可屏蔽從面板組件所發出的電磁波、近紅外線 (near-infraredray)及/或橘光的濾光器,且攄光器具有抗 表面反射及/或色彩調整的功能。由於濾光器配置在面板組 件的前侧,因此,濾光器應符合光穿透率的要求。 然而,滤光器會吸收及/或反射面板組件所發出的光, 以致於降低影像顯示裝置的亮度。此外,在明亮的環境中, 例如在明亮的房間中,外部環境的光線會穿透影像顯示裝 _ 置的滤光器並進入面板組件中。在這點上,外部環境的光 線會從外部穿透濾光器並干擾面板組件所發出的光,從而 減少在明亮房間中的對比度、並降低影像顯示裝置的影像 顯示性能。 可使用光學板來解決這些問題。一般來說,傳統的光 學板包括.透明的光傳輸部(trai^parent light transmission portion)與多個楔形的外部光吸收部,這些楔形的外部光 吸收部的材質包括可吸光材料,且這些楔形的外部光吸收 部以預定間隔配置於光傳輸部中。由於外部光吸收部會吸 ® 收外部環境的光,故可增加影像的對比度。 外部光吸收部可以下述方法製得。以分散液的形式製 備一具有吸光材料的組成物,然後,將吸光材料分散液散 佈到一具有多個溝槽之光傳輸部的表面上。之後,以刮刀 成膜的方式將吸光材料分散液填入光傳輸部的溝槽中,以 形成多個外部光吸收部。 然而’在填滿溝槽的同時,吸光材料分散液是不均勻 地分散在光傳輸部的表面上,因此,厚度會局部地變化。 5201007227 VI. INSTRUCTIONS: This application claims that the Korean Patent Application No. 10-2008-0072937 filed by the Korean Patent Office is the priority date of July 25, 2008, and is approved for the designated country in which the document is incorporated. The content of the following patent application is incorporated herein by reference in its entirety in its entirety in its entirety in the the the the the the the the the the [Technical Field] The present invention relates to an optical sheet, a filter having the optical sheet, and an image display device having the optical sheet or the optical filter described above. And particularly relating to an optical plate having a small surface spot and increasing scratch resistance, a filter having the aforementioned optical plate, and an image having the aforementioned optical plate or the aforementioned filter A display device, and the image display device has high image quality. [Prior Art] In recent years, various image display devices have been developed. For example, image display devices include: liquid crystal displays (LCDs), plasma display panels (PDPs), field emission displays (FEDs), cathode ray tubes (CRTs). , vacuum fluorescent displays and field emission display panels ^ These image display devices display color images by emitting three main lights such as red, blue and green. Such image display devices generally include: an image forming panel group 201007227 S2V0^pit and a filter that shields electromagnetic waves, near-infrared rays, and/or orange light emitted from the panel assembly, and the chopper Features anti-surface reflection and/or color adjustment. Since the filter is placed on the front side of the panel assembly, the filter should meet the light penetration requirements. However, the filter absorbs and/or reflects the light emitted by the panel assembly, thereby reducing the brightness of the image display device. In addition, in bright environments, such as in bright rooms, the light from the outside environment can penetrate the filter of the image display device and enter the panel assembly. At this point, the light from the external environment penetrates the filter from the outside and interferes with the light emitted by the panel assembly, thereby reducing the contrast in a bright room and reducing the image display performance of the image display device. Optical plates can be used to solve these problems. In general, a conventional optical plate includes a transparent light transmission portion and a plurality of wedge-shaped external light absorbing portions, and the material of the wedge-shaped external light absorbing portion includes a light absorbing material, and the wedge shapes The external light absorbing portions are disposed in the light transmitting portion at predetermined intervals. Since the external light absorbing part absorbs light from the external environment, the contrast of the image can be increased. The external light absorbing portion can be obtained by the following method. A composition having a light absorbing material is prepared in the form of a dispersion, and then the light absorbing material dispersion is spread on the surface of a light transmitting portion having a plurality of grooves. Thereafter, the light-absorbing material dispersion is filled in the groove of the light-transmitting portion by film formation by a doctor blade to form a plurality of external light absorbing portions. However, while the grooves are filled, the light-absorbing material dispersion is unevenly dispersed on the surface of the light-transmitting portion, and therefore, the thickness is locally changed. 5

201007227 JZUJ^piI 在這樣的情況下’於填滿溝槽之後’光傳輸部的表面 產生許多班點。 此外,光傳輸部及/或外部光吸收部的硬度低,因此當 光傳輸部及/或外部光吸收部接觸到外部的材料時容易被 刮傷。 【發明内容】 本發明提供一種具有少表面班點的光學板。 本發明提供一種增加刮痕抗性的光學板。 本發明提供一種光學板,其可增加在明亮環境中的對 比度,且將光學板應用在影像顯示裝置中時可減輕拖影 (double image)的現象。 〜 本發明提供一種濾光器,包括前述光學板。 本發明提供一種影像顯示裝置,其包括前述光學板或 濾光器,且該影像顯示裝置具有高影像品質。 根據本發明的一方面,本發明提出一種光學板,包括 -光傳輸部以及錢外部光吸收部。祕輸部具有多個彼 此分離的溝槽。外部光吸收部填滿於溝槽中,光傳輸部與 外部光吸收部至少其中之一包括一助滑劑。 、 在本發明之一實施例中,外部光吸收部的形成方式 為:將一外部光吸收部成型組合物填入溝槽中,其中外部 光吸收部成型組合物包括一可固化樹脂、一可吸光材料與 一助滑劑;以及固化外部光吸收部成型組合物的可固化樹 脂。 在本發明之一實施例中,可固化樹脂為一紫外光可固 201007227 jzimpit 化樹脂。 在本發明之一實施例中,外部光吸收部包括助滑劑, ㈣滑劑=量伯外部光吸收部的總重量的〇 〇5重量百 分比〜30重量百分比。 在本發明之-實施例中,光傳輪部包括助滑劑,且助 滑劑的含量佔光傳輪部的總重的G G5重量比〜3 量百分比。 ❹ 灰在本發明之—實施财,輯銳括由—雜合物與 一氟化合物所組成的群組中的至少一種。 …在一實施例中,光學板更包括-基底膜,基 3形 一表面上’其中表面相對於光傳輸 科I成有溝槽的另—表面,且基底膜支撐光傳輸部。 ,在本發明之—實施例中,光學板的間距是介於4〇微 微米之間’外部光吸收部的寬歧介於ig微米至 微米^間外部光吸收部的南度是介於50微米至2〇〇 截面=:形_實:::先吸收部的厚度方向的 ㈣敝置方式包 的膜^本發明之—實施例中,光學板為—用來增加對比度 7 201007227 -52U34pil 本發明提出一種濾、光器’用於影像顯示裝置中,此滤 光器包括:前述之光學板以及一濾光基板。 本發明提出一種影像顯示裝置,包括前述之光學板。 為讓本發明之上述特徵和優點能更明顯易懂,下文特 舉實施例,並配合所附圖式作詳細說明如下。 【實施方式】 以下’參照所附的圖式,詳細地說明根據本發明之實 施例所述的一種光學板、具有此光學板的濾光器以及具有 此光學板或此濾光器的影像顯示裝置。 圖1繪示本發明一實施例之影像顯示裝置1的爆炸 圖,其中影像顯示裝置1配置有一濾光器40,且濾光器4〇 包括一光學板。圖2A繪示本發明一實施例之濾光器40的 爆炸剖面圖,其中濾光器40包括一光學板200。圖2B緣 示本發明另一實施例之濾光器4 0的爆炸剖面圖,其中濾光 器40包括一光學板200。 請參照圖1,本實施例之影像顯示裝置1包括:一箱 體10、覆蓋箱體10的頂部的一蓋體50、配置於箱體1〇 中的一驅動電路板20、形成影像的一面板組件30以及一 滤光器40。 面板組件30中所形成的可見影像是反應驅動電路板 20所提供的電子訊號、並且透過濾光器40對外顯示。 請參照圖2A與圖2B,濾光器40包括:一色彩調整 膜100、一光學板200以及一濾光基板(filterbase) FB, 其中濾光基板FB包括一電磁波屏蔽膜300、一硬塗層 201007227 (hard coating layer) 400 以及一抗反射膜 5〇〇。 色彩調整膜100可包括:例如,一氖光遮斷性染料 (neon lightblocking colorant),且還可包括一近紅外線吸 收化合物或是一染料。氖光代表無用的光,其具有一接近 585奈米的波長,且氖光是在氖氣被激發時產生。由於近 紅外線會使周圍的電子元件故障,因此需屏蔽近紅外線。 光學板200包括一基底膜230、一光傳輸部以及 ❹ 多個外部光吸收部220。光學板200可配置於彩色調整膜 1〇〇之下。如上所述的光學板2〇〇例如可為一加強對比度 的膜片,但不限於此。加強對比度的膜片可廣義的解讀為 一種可主要地增加影像顯示裝置丨的對比度的膜片。° 圖1的面板組件30所發出的光可通過光傳輪部21〇。 光傳輸部210的材質可包括:可固化樹脂(curableresin)。 特別是,光傳輸部210的材質可包括:丙烯酸酯樹脂 (acrylate resin),當其暴露於紫外光或熱能下時會固化。 此外,光傳輸部210可以是透明的,但不需完全透明。 在後面的實施例中,光傳輸部210可具有一透明度,且本 領域具有通常知識者可視具有此透明度的光傳輸部210為 透明部。一般來說,光傳輸部210的形狀可互補於外部 光吸收部220的形狀,對此之後將有詳細的描述,但是光 傳輸部210的形狀並不限於此。也就是說,光傳輸部21〇 可具有多個以預定間隔配置的溝槽g2i(>,且一外部光吸收 成型組合物填滿溝槽g^o,其中外部光吸收部成型組合 物包括:用來形成外部光吸收部220的可吸光材料以及可 9 201007227 32ϋ34ριί 固化樹脂’之後將詳加描述外部光吸收部220。光傳輸部 210的折射率可介於13〜1 8之間。難以製作折射率小於 1.3的光傳輸部210。另一方面,當光傳輸部21〇的折射率 大於1.8時,光傳輸部210的透光率會顯著地下降且對比 度也會下降’以致於影像顯示裝置丨的總解析度下降。 光傳輸部210可包括助滑劑(slip agent)。由於光傳 輸部210包括助滑劑,故可降低光傳輸部21〇的表面摩擦 力’而且,當稍後形成外部光吸收部220時,包含了外部 光吸收部成型組合物的分散液可平滑地沿著光傳輸部21〇 的表面流動,並可厚度均勻地分佈於光傳輸部21〇的表面 上。因此,當外部光吸收部220是以刮刀刮過厚度均勻地 为散在光傳輸部210的表面上的分散液的方式、來填滿光 傳輸部210的溝槽g21()時’外部光吸收部220的表面上可 不產生班點。此外,在本實施例中,光傳輸部21〇的表面 摩擦力降低可增加光傳輸部210的刮痕抗性。然而,本發 明並不限於此。舉例來說,可以是僅有外部光吸收部22〇 包括助滑劑,而光傳輸部210不包括助滑劑。 若是光傳輸部210形成為包括助滑劑,在光傳輸部21〇 中助滑劑的含量例如為0.05〜30 wt%,其中,光傳輸部21〇 的總重量為100份。若是在光傳輸部210中助滑劑的含量 小於0.05 wt%,則添加助滑劑幾乎毫無效果可言。另一方 面,若是光傳輸部210中的助滑劑的含量大於3〇wt%,則 當可形成光傳輸部的組合物包括助滑劑時,可能會發生層 間分離(interlayer separation )且使光穿透率下降。 201007227 灰助滑劑可包括:選自於由石夕化合物(silic〇n c〇mp〇und ) 與氟化合物(fluorine compound)所組成的群組中的至少 一種。當使用石夕化合物及/或氟化合物時,由於矽化合物及 /或氟化合物的不互溶特性,料/或氟元素會位於光傳輸 部210的表面,因此可減少光傳輸部21〇的表面能、並改 善光傳輸部210的黏著性以及抗摩擦性。 光學板200所用的助滑劑例如是:暴露於紫外光下時 ❿ 會產生交聯現象的矽化合物。例如,此矽化合物可包括矽 二丙烯酸酯(silicon diacrylate)、矽聚醚丙烯酸酯(siUc〇n polyether acrylate)或聚驗修飾二甲基聚矽氧烷(㈣挪⑹ modified dimethylp〇lySil〇xane)。然而,助滑劑並不限於 這些化合物。 可藉由使外部光吸收部成型組合物填滿光傳輸部21〇 的多個溝槽g^O來形成多個外部光吸收部22〇,其中外部 光吸收部成型組合物包括:可吸光材料以及熱固性或紫外 光固化性樹脂,以吸收外部光線並提升在明亮環境中的對 ❹ 比度’從而得到高解析度。請參照圖2A,每一個外部光吸 收部220具有四角形(tetragonal)的截面,並參照圖2Β, 每一個外部光吸收部220具有梯形的截面。 熱固性或紫外先固化性樹脂可相同於或相似於用來 形成光傳輸部210的化合物。 可吸光材料可包括:黑色無機材料、黑色有機材料、 黑色金屬氧化物以及前述材料之混合物。當外部光吸收部 220包括黑色金屬氧化物時,因為黑色金屬氧化物具有低 201007227 szv^pn 電阻值,可藉由調整黑色金屬氧化物粉體的量、或黑色金 屬氧化物膜層的厚度來控制電阻值的大小。如此一來,外 部光吸收部220可屏蔽電磁波。外部光吸收部22〇可包括 含碳的紫外線固化樹脂。外部光吸收部22〇的折射率可相 似於光傳輸部210的折射率,特別是折射率在13〜18的 範圍内。 、外部光吸收部成型組合物可更包括助滑劑。由於外部 光吸收部成型組合物包括助滑劑,因此,當外部光吸收部 成型組合物製備為分散液的形式時,此分散液的流動性可 ❿ 獲得提升。如此一來,當形成外部光吸收部22〇時,具有 外部光吸收部成型組合物的分散液可平滑地沿著光傳輸部 210的表面流動,並可厚度均勻地分佈於光傳輸部21〇的 表面上。因此,當外部光吸收部220的形成方式為以刮刀 刮過厚度均勻地分散在光傳輸部210的表面上的分散液 時,外部光吸收部220的表面上可不產生班點。此外,在 本實施例中,外部光吸收部220的表面摩擦力降低可增加 外。卩光吸收部220的刮痕抗性。然而,本發明並限 ❹ 舉例來說,可以是僅有光傳輸部⑽包括助滑劑,而外部 光吸收部220不包括助滑劑。 在些實施例中,光傳輸部210與外部光吸收部220 可皆包括助滑劑。就這一點而言,外部光吸收部22〇的表 面上不會形成班點,且光傳輸部21〇與外部光吸收部22〇 皆具有高刮痕抗性。 當外部光吸收部成型組合物包含助滑劑時,在外部光 12 201007227201007227 JZUJ^piI In such a case, after the filling of the trenches, a number of shift points are generated on the surface of the light transmitting portion. Further, since the light transmission portion and/or the external light absorbing portion have a low hardness, the light transmission portion and/or the external light absorbing portion are easily scratched when they come into contact with an external material. SUMMARY OF THE INVENTION The present invention provides an optical plate having fewer surface points. The present invention provides an optical plate that increases scratch resistance. The present invention provides an optical plate which can increase the contrast in a bright environment and which can alleviate the phenomenon of double image when the optical plate is applied to an image display device. ~ The present invention provides a filter comprising the aforementioned optical plate. The present invention provides an image display device comprising the above optical plate or filter, and the image display device has high image quality. According to an aspect of the invention, the invention provides an optical plate comprising - a light transmitting portion and a money external light absorbing portion. The secret delivery section has a plurality of grooves that are separated from each other. The external light absorbing portion is filled in the groove, and at least one of the light transmitting portion and the external light absorbing portion includes a slip agent. In an embodiment of the invention, the external light absorbing portion is formed by filling an external light absorbing portion molding composition into the groove, wherein the external light absorbing portion molding composition comprises a curable resin, a light absorbing material and a slip agent; and a curable resin that cures the external light absorbing portion molding composition. In one embodiment of the invention, the curable resin is an ultraviolet light curable 201007227 jzimpit resin. In an embodiment of the invention, the external light absorbing portion comprises a slip agent, and (4) the slip agent = the total weight of the external light absorbing portion is 重量 5 parts by weight to 30% by weight. In an embodiment of the invention, the light-transmitting wheel portion includes a slip agent, and the amount of the lubricant agent is 3% by weight of the G G5 by weight of the total weight of the light-transmitting wheel portion. ❹ Ash is at least one of the group consisting of a hybrid and a fluoro compound in the present invention. In one embodiment, the optical plate further comprises a base film on the surface of the substrate, wherein the surface is grooved with respect to the light transmission, and the base film supports the light transmission portion. In the embodiment of the present invention, the spacing of the optical plates is between 4 〇 micrometers. The width of the external light absorbing portion is between ig micrometers to micrometers. The south of the external light absorbing portion is 50. Micron to 2〇〇 section =: shape_real::: film in the thickness direction of the first absorption portion (4) packaged film. In the embodiment of the invention, the optical plate is used to increase the contrast ratio 7 201007227 -52U34pil The invention provides a filter and an optical device for use in an image display device, the filter comprising: the optical plate and a filter substrate. The invention provides an image display device comprising the aforementioned optical plate. The above described features and advantages of the present invention will become more apparent from the description of the appended claims. [Embodiment] Hereinafter, an optical plate, a filter having the same, and an image display having the optical plate or the optical filter according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings. Device. 1 is an exploded view of an image display device 1 according to an embodiment of the present invention, wherein the image display device 1 is provided with a filter 40, and the filter 4A includes an optical plate. 2A is an exploded cross-sectional view of an optical filter 40 in accordance with an embodiment of the present invention, wherein the optical filter 40 includes an optical plate 200. 2B is an exploded cross-sectional view of a filter 40 of another embodiment of the present invention, wherein the filter 40 includes an optical plate 200. Referring to FIG. 1 , the image display device 1 of the present embodiment includes a box body 10 , a cover body 50 covering the top of the box body 10 , a driving circuit board 20 disposed in the box body 1 , and a video forming image. The panel assembly 30 and a filter 40. The visible image formed in the panel assembly 30 is the electronic signal provided by the reaction driving circuit board 20 and is externally displayed through the filter 40. 2A and 2B, the filter 40 includes a color adjustment film 100, an optical plate 200, and a filter substrate FB. The filter substrate FB includes an electromagnetic wave shielding film 300 and a hard coating layer. 201007227 (hard coating layer) 400 and an anti-reflection film 5〇〇. The color adjustment film 100 may include, for example, a neon light blocking colorant, and may further include a near-infrared absorbing compound or a dye. Twilight represents useless light with a wavelength close to 585 nm, and the twilight is produced when helium is excited. Since near-infrared rays cause malfunction of surrounding electronic components, it is necessary to shield near-infrared rays. The optical plate 200 includes a base film 230, a light transmitting portion, and a plurality of external light absorbing portions 220. The optical plate 200 can be disposed under the color adjustment film 1 。. The optical plate 2 如上 as described above may be, for example, a film for enhancing contrast, but is not limited thereto. The contrast-enhancing diaphragm can be broadly interpreted as a diaphragm that can primarily increase the contrast of the image display device. The light emitted by the panel assembly 30 of FIG. 1 can pass through the light transmitting wheel portion 21〇. The material of the light transmission portion 210 may include a curable resin. In particular, the material of the light transmitting portion 210 may include an acrylate resin which solidifies when exposed to ultraviolet light or heat. Further, the light transmitting portion 210 may be transparent, but need not be completely transparent. In the latter embodiment, the light transmitting portion 210 may have a transparency, and the light transmitting portion 210 having a transparency can be visually recognized by a person having ordinary knowledge in the art as a transparent portion. In general, the shape of the light transmitting portion 210 may be complementary to the shape of the external light absorbing portion 220, which will be described later in detail, but the shape of the light transmitting portion 210 is not limited thereto. That is, the light transmitting portion 21A may have a plurality of grooves g2i (> disposed at predetermined intervals, and an external light absorbing molding composition fills the grooves g^o, wherein the external light absorbing portion molding composition includes The light absorbing material for forming the external light absorbing portion 220 and the external light absorbing portion 220 will be described in detail after the curing of the resin. The refractive index of the light transmitting portion 210 may be between 13 and 18. The light transmission portion 210 having a refractive index of less than 1.3 is produced. On the other hand, when the refractive index of the light transmission portion 21 is greater than 1.8, the light transmittance of the light transmission portion 210 is remarkably lowered and the contrast is also lowered, so that the image display is performed. The total resolution of the device 下降 is lowered. The light transmitting portion 210 may include a slip agent. Since the light transmitting portion 210 includes a slip agent, the surface friction of the light transmitting portion 21 ' can be reduced 'and later, when When the external light absorbing portion 220 is formed, the dispersion liquid containing the external light absorbing portion molding composition can smoothly flow along the surface of the light transmission portion 21A, and can be uniformly distributed on the surface of the light transmission portion 21A. Therefore, when the external light absorbing portion 220 scrapes the groove g21 () of the light transmitting portion 210 in such a manner that the thickness is uniformly dispersed on the surface of the light transmitting portion 210 by the doctor blade, the external light absorbing portion Further, in the present embodiment, the reduction in the surface friction of the light transmitting portion 21A may increase the scratch resistance of the light transmitting portion 210. However, the present invention is not limited thereto. It can be said that only the external light absorbing portion 22 includes the slip agent, and the light transmitting portion 210 does not include the slip agent. If the light transmitting portion 210 is formed to include the slip agent, the slip agent is disposed in the light transmitting portion 21 The content is, for example, 0.05 to 30% by weight, wherein the total weight of the light transmitting portion 21 is 100 parts. If the amount of the slip agent in the light transmitting portion 210 is less than 0.05% by weight, the addition of the slip agent has almost no effect. On the other hand, if the content of the slip agent in the light transmitting portion 210 is more than 3% by weight, interlayer separation may occur when the composition capable of forming the light transmitting portion includes the slip agent. And the light penetration rate is reduced. 201007227 The slip agent may include at least one selected from the group consisting of a silicium compound (silic〇nc〇mp〇und) and a fluorine compound. When a stone compound and/or a fluorine compound is used, Due to the immiscible nature of the cerium compound and/or the fluorine compound, the material/or fluorine element may be located on the surface of the light transmitting portion 210, thereby reducing the surface energy of the light transmitting portion 21 and improving the adhesion and resistance of the light transmitting portion 210. Friction. The slip agent used in the optical plate 200 is, for example, a bismuth compound which causes cross-linking when exposed to ultraviolet light. For example, the ruthenium compound may include silicon diacrylate, siUc〇n polyether acrylate or polydimethylene methacrylate ((4) modified dimethylp〇lySil〇xane) . However, the slip agent is not limited to these compounds. The plurality of external light absorbing portions 22 may be formed by filling the plurality of grooves g^O of the light transmitting portion 21A by the external light absorbing portion forming composition, wherein the external light absorbing portion forming composition includes: a light absorbing material And a thermosetting or UV curable resin that absorbs external light and enhances the contrast in a bright environment to achieve high resolution. Referring to Fig. 2A, each of the external light absorbing portions 220 has a tetragonal cross section, and with reference to Fig. 2, each of the external light absorbing portions 220 has a trapezoidal cross section. The thermosetting or ultraviolet precurable resin may be the same as or similar to the compound used to form the light transmitting portion 210. The light absorbing material may include: a black inorganic material, a black organic material, a ferrous metal oxide, and a mixture of the foregoing materials. When the external light absorbing portion 220 includes a ferrous oxide, since the ferrous oxide has a low 201007227 szv^pn resistance value, the amount of the ferrous oxide powder or the thickness of the ferrous oxide film layer can be adjusted. Control the magnitude of the resistance value. As a result, the external light absorbing portion 220 can shield electromagnetic waves. The external light absorbing portion 22A may include a carbon-containing ultraviolet curable resin. The refractive index of the external light absorbing portion 22A may be similar to the refractive index of the light transmitting portion 210, particularly, the refractive index is in the range of 13 to 18. The external light absorbing portion molding composition may further include a slip aid. Since the external light absorbing portion molding composition includes the slip aid, when the external light absorbing portion molding composition is prepared in the form of a dispersion, the fluidity of the dispersion can be improved. As a result, when the external light absorbing portion 22 is formed, the dispersion liquid having the external light absorbing portion molding composition can smoothly flow along the surface of the light transmission portion 210, and can be uniformly distributed in the light transmission portion 21〇. on the surface. Therefore, when the external light absorbing portion 220 is formed in such a manner that the dispersion liquid uniformly dispersed on the surface of the light transmitting portion 210 by the doctor blade is scraped, the surface of the external light absorbing portion 220 may not be generated. Further, in the present embodiment, the surface frictional reduction of the external light absorbing portion 220 can be increased. The scratch resistance of the calender absorption portion 220. However, the present invention is limited to, for example, only the light transmitting portion (10) includes a slip agent, and the external light absorbing portion 220 does not include a slip agent. In some embodiments, both the light transmitting portion 210 and the external light absorbing portion 220 may include a slip agent. In this regard, no shift point is formed on the surface of the external light absorbing portion 22, and both the light transmitting portion 21 and the external light absorbing portion 22 have high scratch resistance. When the external light absorbing part molding composition contains a slip agent, the external light 12 201007227

JZUJHpiI 吸收部220的總重量(亦即,外部光吸收部成型組合物的 總重量)中’助滑劑的含量為0.05〜30 wt%,其中,外部 光吸收部220的總重量為1〇〇份。若是在外部光吸收部Do 中的助滑劑的含量小於0.05 wt%,則添加助滑劑幾乎毫無 效果可言。另一方面,若是在外部光吸收部22〇中的助滑 劑的含量大於30 wt%,則當外部光吸收部成型組合物包括 助滑劑時’可能會發生層間分離、且使外部光吸收率 ❶ (external light absorption rate )下降0 外部光吸收部220所採用的助滑劑可相同於光傳輸部 210所採用的助滑劑。 基底膜230配置於光傳輸部210的一個表面上,亦 即,基底膜230配置於光傳輸部210之相對於凹陷部220a 的表面上。基底膜230支撐光傳輸部210,且外部光吸收 部220形成在光傳輸部210中。基底膜230可包括:選自 於由聚醚礙(polyethersulphone, PES )、聚丙稀酸酯 (polyacrylate, PAR)、聚謎酿亞胺(polyetherimide,PEI)、 β 聚間苯二甲酸乙二酯(polyethylene naphthalate,PEN)、 聚對苯二甲酸乙二醇酯(polyethylene terephthalate, PET )、 聚苯硫謎(polyphenylene sulfide,PPS )、聚烯丙基醋 (polyallylate )、聚醯亞胺(polyimide )、聚碳酸酉旨 (polycarbonate, PC )、三乙酸纖維素(cellulose triacetate, TAC)以及醋酸丙酸纖維素(cellulose acetate propionate, CAP)所構成的群組中的至少一種。較佳地’基底膜230 可包括聚碳酸酯、聚對苯二甲酸乙二醇酯、三乙酸纖維素 13 201007227 wimpii 或聚間苯二曱酸乙二酯。此外,基底膜230可包括:折射 率等於或相似於光傳輸部210的折射率的材料。 此外,本實施例之光學板200可更包括:一稍後再詳 述的保護膜240 (如圖3〜圖5所示),保護膜240配置於 光傳輸部210的一個表面上,前述表面相對於光傳輸部21〇 之配置有基底膜230的表面。保護膜240可保護光學板200 直到使光學板200安裝在濾光器40上,且當光學板2〇〇 安裝在濾光器40上時’可自光學板200上移除保護膜 240,然而,本發明不限於此。 ❹ 請參照圖2A與圖2B’濾光基板FB配置於光學板2〇〇 的一表面上,並包括依序配置的一電磁波屏蔽膜300、一 硬塗層400與一抗反射膜500。然而,濾光基板FB的結構 並不限於此。換言之,電磁波屏蔽膜300、硬塗層400與 抗反射膜500可以任何的順序配置。濾光基板FB也可以 包含一膜層,此膜層包括至少二種具有不同功能的材料。 電磁波屏蔽膜300可屏蔽電磁波。電磁波屏蔽膜3〇〇 可包括一傳導網格層(conductive mesh layer)、一金屬薄 ❿ 膜(metal thin film )、一高折射率透明薄膜 (high_refractive-index transparent thin layer)或至少兩層 前述膜層。在圖2A與圖2B中,電磁波屏蔽膜300為一 單層膜。然而’電磁波屏蔽膜300的結構並不限於此。舉 例來說’電磁波屏蔽膜300可具有:一包括至少二膜層的 多層結構。 硬塗層400具有刮痕抗性,以避免於稍後詳述的電磁 14 201007227 波屏蔽媒300或抗反射膜500因例如接觸外部的材料而受 損。硬塗層400可僅包括強化玻璃、或者是具有聚合物的 強化玻璃,此聚合物可作為黏著劑。此外,硬塗層400可 包括:壓克力基聚合物(acryl-basedpolymer)、氨基甲酸 乙酯基聚合物(urethane-based polymer)、環氧樹脂基聚 合物(expoxy-based polymer )、矽氧烷基聚合物 (siloxane-based polymer )、或寡聚物(〇iig0mer )的紫外 光固化樹脂。再者’硬塗層400可更包括一硬基填料 (silica-based filler)以增加硬塗層400的硬度。 抗反射膜500可調整可見光的穿透度水準,以減少使 用者長時間注視影像顯示裝置時的眼睛疲勞程度。藉由配 置抗反射膜500可調整可見光的穿透度,能夠選擇性地吸 收可見光’且可加寬諸如對比度的顏色再製範圍。如圖2A 與圖2B所示’抗反射膜500為一單層膜。然而,抗反射 膜500的結構並不限於此。舉例來說,抗反射膜5〇〇可具 有:包括至少二膜層的多層結構。 由於從外部入射的可見光可從抗反射膜500的表面以 及從抗反射膜500與硬塗層400的界面反射,而產生二種 彼此為不同相(phase)的反射光線從而產生破壞性干涉, 因此,抗反射膜500具有抗反射的功能。 抗反射膜500的形成方式包括:固化與固定銦錫氧化 物(indium tin oxide, ITO)與二氧化矽(siiicon oxide,Si〇2) 的混合物、鉻酸鎳(nickel chromate, NiCr)與二氧化梦的 混合物、或是其他相似的材料。此外,抗反射膜500可包 15 201007227 32U34pit 括:鈦氧化物或是具有低折射率的特定氟樹脂。 圖3繪示圖2A中的光學板在安裝到濾光器之前的局 部放大圖。值得注意的是,保護膜240尚未移除。 在圖1〜圖3中,相似的元件是以相同的數字標記。 外部光吸收部220的形成方式可以是:進行一禱模滾 筒製程(roll molding process )或是一射出成型製程 (injection molding process),且光傳輸部 21〇 的凹槽 g2i〇 的 形狀相對於外部光吸收部220的形狀,且一熱固性樹脂填 滿光傳輸部210的凹槽g210。 、 ® 此外,當包括紫外光固化性樹脂的光傳輸部21〇具有 抗反射功能、電磁波屏蔽功能、色彩調整功能或是前述功 能之結合時,光學板200可附加地實現這些功能。 請參照圖3 ’本實施例之光學板200包括:光傳輸部 210、外部光吸收部220、基底膜230與保護膜240。在此, 保護膜240可選擇性地省略。圖2A中的濾光器40包括: 移除了保護膜240之後的光學板200。 光傳輸部210、外部光吸收部220、基底膜230與保 ❹ 護膜240的結構相同於上述。 外部光吸收部220可以多種形式配置,例如條紋狀、 矩陣狀、波浪狀等。此外,外部光吸收部220之間以特定 的間隔距離配置,以使光線可穿過相鄰的外部光吸收部 220之間的區域。在圖3中,外部光吸收部220具有四角 形的截面。然而,外部光吸收部220的截面形狀不限於此。 舉例來說,外部光吸收部220可具有三角形、梯形或五角 201007227 3ZU34pit 形的截面。 此外,光學板200的一間距P2〇〇可為4〇微米〜15〇微 米’外部光吸收部220的一寬度W22◦可為10微米〜4〇微 米,外部光吸收部220的一高度hro可為50微米〜2〇〇微 米。在此,外部光吸收部220的寬度W22〇是代表外部光吸 收部220之位於影像光源侧的一端部的寬度。若是外部光 吸收部220具有梯形的橫截面,則外部光吸收部22〇的寬 ❿ 度W2 2 〇是代表外部光吸收部220之位於影像光源侧的一端 部的寬度,此時’外部光吸收部220的最大寬度。 本實施例之光學板200可更包括:配置於基底膜23〇 之一個表面上的一稜鏡部(未繪示),前述表面相對於配 置了光傳輸部210的表面。形成棱鏡部的材質可相同或相 似於形成光傳輸部210的材質。由於光學板2〇〇包括稜鏡 部,故光學板200可具有高外部光吸收率、提昇的對比度 及高解析度,且不使透光率大幅改變。 具有如上所述的結構之前述光學板或漶光器可包含 籲 於影像顯示裝置中,如此一來,可使影像顯示裝置的影像 品質提升,並增加對比度,進而可顯示高解析度的影像。 在下文中’將藉由下述的多個例子來詳細描述本發 明。然而,這些例子只是用來說明,而非用來限定本發明。 第一例•·製作一種光學板’此光學板包括一光傳輸部 與多個外部光吸收部,其中光傳輸部並不具有助滑劑,且 外部光吸收部包括助滑劑。 一鑄模滾筒具有一表面,此表面上有多個凸起,且每 17 201007227 3ΖΛΟ 崎pu 一個凸起具有四角形的截面。然後,提供一裝備有紫外線 產生裝置的圖案化滚筒設備(Hirano公司製)以及一混合 溶液(Sartomer公司,CN-981)(折射率1.51),此混合 溶液包含100克之具有低折射率的壓克力基可固化樹脂 (acryl-based curable resin),且緩慢地將混合溶液加入鏵 模滾1¾、與厚度為188微米的光學聚對苯二甲酸乙二醋膜 (Optical PET film )( Toyobo公司製)之間並固化混合溶 液,以形成光傳輸部,此光傳輸部具有多個溝槽,且溝槽 的圖案相對於铸模滾筒的凸起圖案。在此,光學聚對苯二 ❹ 甲酸乙二酯膜構成一基底膜。藉由混合作為助滑劑之5克 的矽聚醚壓克力(silicon polyether acrylate )( Tego 公司,The total weight of the JZUJHpiI absorption portion 220 (that is, the total weight of the external light absorbing portion molding composition) is 0.05 to 30% by weight of the slip agent, wherein the total weight of the external light absorbing portion 220 is 1〇〇. Share. If the content of the slip agent in the external light absorbing portion Do is less than 0.05% by weight, the addition of the slip agent is almost ineffective. On the other hand, if the content of the slip agent in the external light absorbing portion 22 is more than 30% by weight, when the external light absorbing portion molding composition includes the slip agent, interlayer separation may occur and external light absorption may occur. The external light absorption rate is lowered by 0. The slip agent used in the external light absorbing portion 220 can be the same as the slip agent used in the light transmitting portion 210. The base film 230 is disposed on one surface of the light transmitting portion 210, that is, the base film 230 is disposed on the surface of the light transmitting portion 210 with respect to the recess portion 220a. The base film 230 supports the light transmitting portion 210, and the external light absorbing portion 220 is formed in the light transmitting portion 210. The base film 230 may include: selected from the group consisting of polyethersulphone (PES), polyacrylate (PAR), polyetherimide (PEI), and β-polyethylene isophthalate ( Polyethylene naphthalate (PEN), polyethylene terephthalate (PET), polyphenylene sulfide (PPS), polyallylate, polyimide, At least one of the group consisting of polycarbonate (PC), cellulose triacetate (TAC), and cellulose acetate propionate (CAP). Preferably, the base film 230 may comprise polycarbonate, polyethylene terephthalate, cellulose triacetate 13 201007227 wimpii or polyethylene terephthalate. Further, the base film 230 may include a material having a refractive index equal to or similar to that of the light transmitting portion 210. In addition, the optical plate 200 of the present embodiment may further include: a protective film 240 (shown in FIGS. 3 to 5), which will be described in detail later, and the protective film 240 is disposed on one surface of the light transmitting portion 210, the foregoing surface. The surface of the base film 230 is disposed with respect to the light transmission portion 21A. The protective film 240 can protect the optical plate 200 until the optical plate 200 is mounted on the filter 40, and the protective film 240 can be removed from the optical plate 200 when the optical plate 2 is mounted on the filter 40, however The invention is not limited thereto. Referring to FIG. 2A and FIG. 2B, the filter substrate FB is disposed on a surface of the optical plate 2A, and includes an electromagnetic wave shielding film 300, a hard coat layer 400, and an anti-reflection film 500 which are sequentially disposed. However, the structure of the filter substrate FB is not limited to this. In other words, the electromagnetic wave shielding film 300, the hard coat layer 400, and the anti-reflection film 500 may be arranged in any order. The filter substrate FB may also comprise a film layer comprising at least two materials having different functions. The electromagnetic wave shielding film 300 can shield electromagnetic waves. The electromagnetic wave shielding film 3〇〇 may include a conductive mesh layer, a metal thin film, a high_refractive-index transparent thin layer or at least two layers of the foregoing film. Floor. In Figs. 2A and 2B, the electromagnetic wave shielding film 300 is a single layer film. However, the structure of the electromagnetic wave shielding film 300 is not limited thereto. For example, the electromagnetic wave shielding film 300 may have a multilayer structure including at least two film layers. The hard coat layer 400 has scratch resistance to avoid the electromagnetic shielding 14 201007227 wave shielding medium 300 or the anti-reflection film 500 which is damaged by, for example, contact with an external material. The hard coat layer 400 may include only tempered glass or a tempered glass having a polymer which can serve as an adhesive. In addition, the hard coat layer 400 may include: an acryl-based polymer, a urethane-based polymer, an epoxy-based polymer, and an oxygen-based polymer. A UV-curable resin of a siloxane-based polymer or an oligomer (〇iig0mer). Further, the 'hard coat layer 400' may further include a silica-based filler to increase the hardness of the hard coat layer 400. The anti-reflection film 500 adjusts the level of penetration of visible light to reduce the degree of eye strain when the user looks at the image display device for a long time. By arranging the anti-reflection film 500, the transmittance of visible light can be adjusted, the visible light can be selectively absorbed, and the color reproduction range such as contrast can be widened. The anti-reflection film 500 is a single layer film as shown in Figs. 2A and 2B. However, the structure of the anti-reflection film 500 is not limited thereto. For example, the anti-reflection film 5 can have a multilayer structure including at least two film layers. Since visible light incident from the outside can be reflected from the surface of the anti-reflection film 500 and from the interface of the anti-reflection film 500 and the hard coat layer 400, two kinds of reflected light rays which are different from each other are generated to cause destructive interference, and thus The anti-reflection film 500 has an anti-reflection function. The anti-reflective film 500 is formed by curing and fixing a mixture of indium tin oxide (ITO) and cerium oxide (Siiicon oxide, Si〇2), nickel chromate (NiCr) and dioxide. A mixture of dreams, or other similar materials. Further, the anti-reflection film 500 may include 15 201007227 32U34pit including titanium oxide or a specific fluororesin having a low refractive index. Figure 3 is a partial enlarged view of the optical plate of Figure 2A prior to installation to the filter. It is worth noting that the protective film 240 has not been removed. In Figures 1 to 3, like elements are labeled with the same numerals. The external light absorbing portion 220 may be formed by performing a roll molding process or an injection molding process, and the shape of the groove g2i of the light transmission portion 21 is relative to the outside. The light absorbing portion 220 has a shape, and a thermosetting resin fills the groove g210 of the light transmitting portion 210. Further, when the light transmitting portion 21A including the ultraviolet curable resin has an antireflection function, an electromagnetic wave shielding function, a color adjustment function, or a combination of the foregoing functions, the optical plate 200 can additionally implement these functions. Referring to Fig. 3, the optical plate 200 of the present embodiment includes a light transmitting portion 210, an external light absorbing portion 220, a base film 230, and a protective film 240. Here, the protective film 240 can be selectively omitted. The filter 40 in FIG. 2A includes: an optical plate 200 after the protective film 240 is removed. The structure of the light transmitting portion 210, the external light absorbing portion 220, the base film 230, and the protective film 240 is the same as described above. The external light absorbing portion 220 may be arranged in various forms such as a stripe shape, a matrix shape, a wave shape, or the like. Further, the external light absorbing portions 220 are disposed at a specific interval between the respective light absorbing portions 220 so that light can pass through the region between the adjacent external light absorbing portions 220. In Fig. 3, the external light absorbing portion 220 has a quadrangular cross section. However, the cross-sectional shape of the external light absorbing portion 220 is not limited thereto. For example, the external light absorbing portion 220 may have a triangular, trapezoidal or pentagonal 201007227 3ZU34pit shaped cross section. In addition, a pitch P2 of the optical plate 200 may be 4 μm to 15 μm. A width W22 of the external light absorbing portion 220 may be 10 μm to 4 μm, and a height hro of the external light absorbing portion 220 may be It is 50 microns to 2 microns. Here, the width W22 of the external light absorbing portion 220 is the width of the one end portion of the external light absorbing portion 220 on the image light source side. If the external light absorbing portion 220 has a trapezoidal cross section, the width W2 2 外部 of the external light absorbing portion 22 is the width of one end portion of the external light absorbing portion 220 on the image light source side, and at this time, 'external light absorption The maximum width of the portion 220. The optical plate 200 of the present embodiment may further include a crotch portion (not shown) disposed on one surface of the base film 23A, the surface being opposite to the surface on which the light transmitting portion 210 is disposed. The material forming the prism portion may be the same or similar to the material forming the light transmitting portion 210. Since the optical plate 2 includes the crotch portion, the optical plate 200 can have high external light absorption, improved contrast, and high resolution without significantly changing the light transmittance. The optical plate or the chopper having the structure as described above may be included in the image display device, so that the image quality of the image display device can be improved, and the contrast can be increased, thereby displaying a high-resolution image. Hereinafter, the present invention will be described in detail by way of the following examples. However, these examples are for illustrative purposes only and are not intended to limit the invention. First Example • An optical plate was produced. The optical plate includes a light transmitting portion and a plurality of external light absorbing portions, wherein the light transmitting portion does not have a slip agent, and the external light absorbing portion includes a slip agent. A mold drum has a surface having a plurality of projections, and each of the 17 201007227 3 崎 pu pu has a quadrangular cross section. Then, a patterned roller device (manufactured by Hirano Co., Ltd.) equipped with an ultraviolet generating device and a mixed solution (Sartomer, CN-981) (refractive index 1.51) containing 100 g of a press having a low refractive index were provided. An acryl-based curable resin, and slowly adding the mixed solution to a die roll 13⁄4, and an optical PET film having a thickness of 188 μm (made by Toyobo Co., Ltd.) The mixed solution is cured and formed to form a light transmitting portion having a plurality of grooves, and the pattern of the grooves is opposite to the convex pattern of the mold drum. Here, the optical polyethylene terephthalate formic acid ethylene glycol film constitutes a base film. By mixing 5 grams of silicon polyether acrylate as a slip agent (Tego,

Rad 2200)、2克碳黑與100克壓克力基可固化樹脂的混 合溶液(Sartomer,CN-985 )來製備一分散液(折射率 1.52),並將此分散液分散在溝槽中,之後以刮刀成膜的 方式均勻地填滿溝槽,以在溝槽中形成多個外部光吸收 部,其中刮刀的材質為軟塑膠(s〇ftplastic)。然後,利用 紫外光來固化碳分散液(Carbon dispersion)中的壓克力基 〇 可,化樹脂,以形成圖3中的光學板。在此,光傳輸部的 間,為73.4微米,外部光吸收部的寬度與高度分別為22 ,米與102微米,且光傳輸部的厚度為15〇微米。光傳輸 邻的間距是指:被外部光吸收部所分割的、位於對應的光 傳輸部的相鄰部分之間的距離。 第二例:製作一種光學板,此光學板包括一光傳輸部 與多個外部光吸收部,其中光傳輸部與外部光吸收部包括 18 201007227 助滑劑。 在此,光學板的製作方法相同於第一例的製作方法, 除了形成光傳輸部的混合溶液包括:i⑻克之具有低折射 率的壓克力基可固化樹脂、與作為助滑劑之5克的石夕聚謎 壓克力(Tego公司,Rad22〇〇)。 第三例:製作一種光學板,此光學板包括一光傳輸部 與多個外部光吸收部,其中光傳輸部並包括助滑劑,且外 部光吸收部不具有助滑劑。 眷 在此,光學板的製作方法相同於第一例的製作方法, 除了外部光吸收部不具有助滑劑,且形成光傳輸部的混合 溶液包括:100克之具有低折射率的壓克力基可固化樹 脂、與作為助滑劑之5克的矽聚醚壓克力(Teg〇公司,Rad 2200)。 對照例1 :製作一種光學板,此光學板包括一光傳輸 部與多個外部光吸收部,其中光傳輸部與外部光吸收部皆 不包括助滑劑。 φ 在此’光學板的製作方法相同於第一例的製作方法, 除了外部光吸收部不具有助滑劑。 實驗例 以下為以第一例至第三例與對照例1的方法所製得的 光學板的光傳輸部與外部光吸收部,進行表面硬度量測、 與形成表面班點的確認結果。這些結果顯示於表1。 (表面硬度) 依據ASTM D3363-93的量測方法,對光傳輸部與外 201007227 ^encil^dnesstest) 〇 輸部與外部^方法’以硬度為Β〜ΗΒ〜Η的錯筆到過光傳 ^Λ|3λα * Π收部的表面,以量測光傳輸部與外部光吸 部刮ί後確認是否在光傳輸部與外部光吸收 (表面班點) 班點㈣面上形成表面 修 面班點,V,代表◦代表以肉眼看出表 [表1]Rad 2200), a mixed solution of 2 g of carbon black and 100 g of an acrylic-based curable resin (Sartomer, CN-985) to prepare a dispersion (refractive index 1.52), and disperse the dispersion in the grooves. Then, the groove is uniformly filled by a doctor blade to form a plurality of external light absorbing portions in the groove, wherein the blade is made of soft plastic. Then, the acrylic resin in the carbon dispersion is cured by ultraviolet light to form a resin to form the optical sheet of Fig. 3. Here, the distance between the light transmitting portions was 73.4 μm, and the width and height of the external light absorbing portions were 22, m and 102 μm, respectively, and the thickness of the light transmitting portion was 15 μm. The pitch of the light transmission adjacent refers to the distance between adjacent portions of the corresponding light transmitting portion divided by the external light absorbing portion. Second example: An optical plate is prepared which includes a light transmitting portion and a plurality of external light absorbing portions, wherein the light transmitting portion and the external light absorbing portion comprise 18 201007227 a slip agent. Here, the optical plate is produced in the same manner as in the first example, except that the mixed solution forming the light transmitting portion includes: i (8) grams of an acrylic-based curable resin having a low refractive index, and 5 g as a slip agent. Shi Xi Poly Mystery Acrylic (Tego, Rad22〇〇). Third Example: An optical plate was produced which included a light transmitting portion and a plurality of external light absorbing portions, wherein the light transmitting portion included a slip agent, and the external light absorbing portion did not have a slip agent. Here, the optical plate is produced in the same manner as in the first example, except that the external light absorbing portion does not have a slip agent, and the mixed solution forming the light transmitting portion includes: 100 g of an acrylic group having a low refractive index. Curable resin, and 5 grams of yttrium polyether as a slip agent (Teg〇, Rad 2200). Comparative Example 1: An optical plate was produced which included a light transmitting portion and a plurality of external light absorbing portions, wherein neither the light transmitting portion nor the external light absorbing portion included a slip agent. φ Here, the manufacturing method of the optical plate is the same as that of the first example, except that the external light absorbing portion does not have a slip aid. Experimental Example The following is a result of measuring the surface hardness and the surface surface spot of the optical transmission unit and the external light absorbing portion of the optical sheets obtained by the methods of the first to third examples and the comparative example 1. These results are shown in Table 1. (Surface hardness) According to the measurement method of ASTM D3363-93, the light transmission part and the external 201007227 ^encil^dnesstest) 〇 〇 与 与 与 与 与 与 与 硬度 硬度 硬度 硬度 硬度 硬度 硬度 硬度 硬度 硬度 硬度 硬度 硬度 硬度 硬度 硬度Λ|3λα * The surface of the squeezing part is used to measure whether the light transmitting part and the external light absorbing part are scraped, and then confirm whether or not a surface shaving point is formed on the surface of the light transmission part and the external light absorbing (surface duty point) , V, on behalf of the ◦ representatives to see the table with the naked eye [Table 1]

翏照表1,在第—如----L-^L 吸收部至少其中之一勺 一例中的光傳輸部與外部 …、法以肉眼看出表面班點。 .表面瑕疫 參照表 光Referring to Table 1, in the first------L-^L absorption portion of at least one of the light transmission portion and the external ..., the method visually sees the surface shift point. Surface plague reference table light

Q 容 此外 以第—例所製得的外部光吸 Ρ不產生 20 201007227 表面班點。然而,在對照例丨中,會產生表面 參考前述#測結果,可知使用在對照例丨之外部光吸收 f型組合物的分散液的流動性(flowability) ; 形成時’分散液無法厚度㈣地分佈在先=; 雖然本發明已以實施例揭露如上,然其並非用 本發明,任何所屬技術領域中具有通常知 =疋 本發明之精神和範圍内,當可作些許動 不脫離 【圖式簡單朗】 所界定者為準。 圖1繪示本發明-實施例之影像顯示裝置i的 ,:中影像顯示裝置!配置有―遽光器4Q 包括一光學板。 圖 ,2A繪示本發明-實施例之濾光器4〇的爆炸剖面 其中濾光器40包括一光學板2〇〇。 ❿ 圖 圖2B緣示本發明另一實施例之據光器4〇的爆炸剖面 其中濾光器40包括一光學板2〇〇。 圖3緣示圖2A中的光學板在安裝到遽光器之前 部放大圖。 【主要元件符號說明】 1:影像顯示裝置 10 :箱體 20 :驅動電路板 30 :面板組件 21 201007227 ----·Ι— 40 :遽光器 50 :蓋體 100 :色彩調整膜 200 :光學板 210 :光傳輸部 220 :外部光吸收部 220a :凹陷部 230 :基底膜 240 :保護膜 300 :電磁波屏蔽膜 400 :硬塗層 500 :抗反射膜 FB :濾光基板 g210 :溝槽 h220 .南度 P200 .間距 W22O ·見度Q 容 In addition, the external light absorbing by the first example does not produce 20 201007227 surface shift points. However, in the comparative example, the surface was subjected to the above-mentioned measurement results, and it was found that the flowability of the dispersion of the external light-absorbing f-type composition used in the comparative example was observed; when formed, the dispersion could not be thick (four). The present invention has been disclosed in the above embodiments. However, it is not intended to be used in the scope of the invention, and it is within the spirit and scope of the present invention. Simple lang] The ones defined shall prevail. 1 is a view showing an image display device of the image display device i of the present invention. The configuration of the "Cleaner 4Q" includes an optical plate. Figure 2A shows an exploded cross section of the filter 4 of the present invention-invention. The filter 40 includes an optical plate 2''. Figure 2B shows an exploded cross section of a light fixture 4A according to another embodiment of the present invention, wherein the filter 40 includes an optical plate 2''. Fig. 3 is an enlarged view of the optical plate of Fig. 2A before being mounted to the chopper. [Description of main component symbols] 1: Image display device 10: Case 20: Drive circuit board 30: Panel assembly 21 201007227 ----- Ι 40: Chopper 50: Cover 100: Color adjustment film 200: Optical Plate 210: light transmission portion 220: external light absorbing portion 220a: depressed portion 230: base film 240: protective film 300: electromagnetic wave shielding film 400: hard coat layer 500: anti-reflection film FB: filter substrate g210: groove h220. South P200. Spacing W22O · Visibility

Claims (1)

201007227 七、申請專利範圍: 1' 一種光學板,包括: 一光傳輸部,具有多個彼此分離的溝槽;以及 多個外部光吸收部,填滿於該些溝槽中, 其中’該光傳輸部與該些外部光吸收部至少其中之一 包括一助滑劑。 2. 如申请專利範圍第1項所述之光學板,其中,該 ❿ 些外部光吸收部的形成方式為: 將一外部光吸收部成型組合物填入該些溝槽中,其中 該外4光吸收部成型組合物包括__可固化樹脂、—可吸光 材料與一助滑劑;以及 固化該外部光吸收部成型組合物的該可固化樹脂。 3. 如申請專利範圍第2項所述之光學板,其中,該 可固化樹脂為一紫外光可固化樹脂。 4·如申請專利範圍第1項所述之光學板,其中,該 ❹ 些外部光吸收部包括該助滑劑,且該助滑劑的含量佔該些 外部光吸收部的總重量的〇〇5重量百分比〜3〇重量百分 比0 5·如申請專利範圍第1項所述之光學板,其中,該 光傳輸部包括該助滑劑,且該助滑劑的含量佔該光傳輸部 的總重的0.05重量百分比〜3〇重量百分比。 6.如申請專利範圍第1項所述之光學板,其中,該 助滑劑包括:由一矽化合物與一氟化合物所組成的群組中 的至少一種。 23 201007227 Mimpii 7. 如申請專利範園第1項所述之光學板,更包括一 基底膜’該基底膜配置於該光傳輸部的一表面上,其中該 表面相對於該光傳輪部中形成有該些溝槽的另一表 該基底膜支撐該光傳輪部。 8· *中請專利範圍第i項所述之光學板, J學板的間距是介於40微米至150微米之間,該外二 f部的寬度是介於微米至40微米之間,該 口 P的高度是介於50微米至勘微米之間。先及收 ❹ 9_如申請專利範圍第i項所述之光學板, 些外部光吸收部的厚度方 遨 /、中該 或梯形。 厌万向的截面形狀為二角形、四角形 10.如申請專利範固第i項所述之光學板其中,該 式包括餘狀娜狀或波浪狀。 光風板宜範園第1至10項中之任一項所述之 予板,,、中’該光學板為一用來增加對比度的膜片。 12·-㈣光器’用於影像顯示裝置中,該濾光器包 枯· 此如申請專利範圍第1至10項中之任-項所述之光學 板;以及 一滤光基板。 13. —種影像顯示裴置,包括: 如申請專利範圍第1至10項中之任-項所述之光學 板。 24201007227 VII. Patent application scope: 1' An optical plate comprising: a light transmission portion having a plurality of grooves separated from each other; and a plurality of external light absorbing portions filled in the grooves, wherein the light At least one of the transmission portion and the external light absorbing portions includes a slip agent. 2. The optical sheet of claim 1, wherein the external light absorbing portions are formed by: filling an external light absorbing portion forming composition into the grooves, wherein the outer 4 The light absorbing portion molding composition includes a __curable resin, a light absorbing material and a slip agent; and the curable resin that cures the external light absorbing portion molding composition. 3. The optical sheet of claim 2, wherein the curable resin is an ultraviolet curable resin. 4. The optical sheet of claim 1, wherein the external light absorbing portion comprises the slip agent, and the amount of the slip agent accounts for the total weight of the external light absorbing portions. The optical sheet of claim 1, wherein the light transmitting portion includes the slip agent, and the amount of the slip agent accounts for the total amount of the light transmitting portion. Weight 0.05% by weight to 3 〇 by weight. 6. The optical sheet of claim 1, wherein the slip aid comprises at least one of the group consisting of a monoterpene compound and a monofluoro compound. 23 201007227 Mimpii 7. The optical sheet of claim 1, further comprising a base film disposed on a surface of the light transmitting portion, wherein the surface is opposite to the light transmitting portion Another surface in which the grooves are formed is the base film supporting the light transmitting portion. 8. The optical plate according to item i of the patent scope, wherein the spacing of the J-span is between 40 micrometers and 150 micrometers, and the width of the outer two-f-section is between micrometers and 40 micrometers. The height of the port P is between 50 micrometers and micrometers. First, the optical plate according to item i of the patent application scope, the thickness of the external light absorbing portion is 遨 / , medium or trapezoidal. The versatile cross-sectional shape is a quadrangular shape or a quadrangular shape. 10. The optical plate according to the above-mentioned patent application, wherein the formula includes a navel or a wave shape. The optical plate of any one of the items 1 to 10 of the light wind plate is a film for increasing the contrast. An optical plate as described in any one of claims 1 to 10, and a filter substrate. 13. An image display device comprising: an optical plate as claimed in any one of claims 1 to 10. twenty four
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