200912904 九、發明說明： 【發明所屬之技術領域】 本發明係關於一種光學記錄媒體，特別關於一種夜光 可印式光學記錄媒體。 【先前技術】 •請參照圖1所示，一種習知可印式光學記錄媒體10 包含一記錄本體11以及一著色層12。其中，記錄本體11 包含一基板112，以及依序設置於基板112上之一記錄層 113、一反射層114及一保護層115 ;著色層12設置於保 護層115上。保護層115上形成一印刷側111，著色層12 設置於記錄本體11的印刷侧111上。 使用者可藉由一繪圖印表機，利用喷墨印刷技術將一 油墨（圖未顯示）形成於可印式光學記錄媒體10的著色 層12。如此，使用者可獲得一具有油墨圖案之可印式光學 記錄媒體10。然而，可印式光學記錄媒體10上的油墨圖 案會有油墨與著色層附著度不佳，固色性較差易造成暈墨 而降低解析度，且於昏暗環境下會有不易辨識的缺失，造 成使用上的不便。 因此，如何提供一種夜光可印式光學記錄媒體使其能 夠於昏暗環境下仍能夠易於辨識且吸引注意，更能夠提升 固色效果，已成為重要課題之一。 【發明内容】 5 200912904 有鑑於上述課題，本發明之主要目的為提供一種夜光 可印式光學記錄媒體，藉由夜光吸墨層發出光線使光學記 錄媒體於昏暗環境下能夠易於辨識且吸引注意。 有鑑於上述課題，本發明之次要目的為提供一種夜光 可印式光學記錄媒體，夜光材料增加與油墨的混合相容 性，提升固色效果而避免暈墨。 緣是，為達上述目的，依本發明之一種夜光可印式光 學記錄媒體包含一記錄本體以及一夜光吸墨層。記錄本體 具有一印刷侧，夜光吸墨層係設置於記錄本體之印刷侧。 夜光吸墨層包含一夜光材料。 承上所述，依本發明之一種夜光可印式光學記錄媒體 藉由添加夜光材料於吸墨層，經光線或日光照射後而於昏 暗環境下，光學記錄媒體能夠發光易於辨識且吸引注意。 另外，若夜光材料含有例如氧化物及硫化物時，更能夠增 加與油墨的混合相容性，提升固色效果而避免暈墨。再 者，本發明能夠應用於既有的生產設備，不需增加膜層亦 不需設備變更。 【實施方式】 以下將參照相關圖式，說明依據本發明較佳實施例之 一種夜光可印式光學記錄媒體，其中相同的元件將以相同 的參照符號加以說明。 第一實施例 請參照圖2所示，本發明第一實施例之一種夜光可印 式光學記錄媒體20包含一記錄本體21以及一夜光吸墨層 200912904 22。其中，記錄本體21以一光碟（CD)為例說明，然非 用以限制本發明。 記錄本體21具有一印刷側211。夜光吸墨層22設置 於記錄本體21的印刷側211。.記錄本體21包含一基板 212,以及依序設置於基板212上之一記錄層213、一反射 層214及一保護層215。記錄本體21具有基板212之一侧 係為一記錄侧216，可供一雷射讀取頭（圖未顯示）射入 一雷射光L (如箭頭所示）以進行讀取寫入資料之動作。 其中’基板212的材質係可為聚碳酸酯（pc )或其他 非結晶性之光學高分子聚合物，例如聚曱基丙烯酸曱酯 (PMMA)等。夜光吸墨層是以壓克力為主的混合樹脂其 可為酸性樹脂或臉性樹脂所構成。其中，樹脂的官能基例 如但不限於羰基（C=0)、羥基（-OH)、羧基（-COOH)、 磺基（-S03H )、胺基（-NH )、伯胺基（-NH2)、仲胺基 (-nhch3 )、叔胺基（-n(ch3)2 )、-N(CH3)3OH 基或 -N(CH3)2C2H4OH基。夜光吸墨層22的材質可選自胺樹脂 (amine resin)' 紛酸樹脂（phenolic resin)、醇酸樹脂（alkyd resin )、丙烯酸樹脂（acylic resin )、胺基樹脂（amino resin )、胺基甲酸酯樹脂（urethane resin )、乙酸稀酯（vinyle acetate )、乙烯醇（vinyl alcohol )、丙二醇（propylene glycol)、聚丙二醇（polypropylene glycol)及其續類或鹽 類所構成的群組。 另外，夜光吸墨層22包含一夜光材料而可為螢光材 料或磷光材料，而使夜光吸墨層22能於昏暗環境下發光。 200912904 夜光材料具有一主體化合物而可選自硫化物例如但不限 於ZnS、CdS、SrS、CaS、鹵磷酸鹽化合物（例如但不限 於3Ca3(P04) . Ca(F，Cl)2)、磷酸鹽化合物（例如但不限於 Sr2P2〇7、Ba2P207、（Ca，Zn)3(P〇4)2)、矽酸鹽化合物（例如 但不限於 Zn2Si04、CaSi03、（Sr,Ba,Mg)3Si2〇7)、鎢酸鹽化 合物（例如但不限於CaW04、MgW〇4 )銘酸鹽化合物（例 如但不限於 BaMg2Al16〇27、CeMgAln019、Sr4Al14〇25)或 其他化合物（例如但不限於Y2〇3、YV〇4、SrB407F、 MgGa204)及其組合所構成的群組。其夜光效果可利用顏 色混合調配與藉由雙層至多層混搭設計，而得到不同色 彩、濃度及亮度以獲致較佳發光效果。此外，夜光吸墨層 22的材質包含一無機材質而可選自二氧化鈦（Ti02)、二 氧化矽（Si02)、氧化鋁（Al2〇3)、氧化鋅（ZnO)、碳酸 鈣（CaC03)、白土及其組合所構成的群組。 夜光吸墨層22的設f是用以作為喷墨印刷時油墨的 吸收。由於，夜光吸墨層22含有無機材質’能在夜光吸 墨層22中產生複數個微小孔隙，有助於油墨進入夜光吸 墨層22，而使油墨乾燥快速。藉由夜光材料經光線或日光 照射後能於昏暗環境下發光。另外’夜光材料與上述樹脂 材料均富含氧化物及硫化物，可增加樹脂與油墨相容性， 故夜光吸墨層可提升吸墨性並具固色效果’能降低習知社 構於喷墨後有暈墨現象，故對於解析度有提高的效果。 夜光吸墨層22係設置於記錄本體21上。夜光吸墨層 可依實際需要並配合不同比例而為亮面或霧面處理。於本 200912904 實施例中，僅設置一層夜光吸墨層22,其厚度係大於】微 米（μπι) ’且具有重量百分比介於〇·5%至4〇%之間的夜光 材料。伏光吸墨層22係可以印刷或塗佈方式設置於★己錄 本體21的印刷侧211 ’且可利用熱風烘乾、近紅外線（ir) 烘乾或紫外光（uv)來乾燥硬化夜光吸墨層22。當夜光 吸墨層22設置之厚度較薄時，光學記錄媒體2〇係直接顯 示反射層214之顏色’而可將反射層214所具有之顏色（例 如為金色、銀色或銅色）.作為日後繪圖印表機印製圖案之 底色使用。 ~ 當然，本發明並不限定記錄本體21必須為光碟 (CD)’亦可減位影音柄（DVD)、高錢數位影音光 碟（HD-DVD)、藍光光碟（BD)或全像式光碟（hvd)。 且光學記錄媒體的記錄形式可分為預刻溝執方式（唯讀型， R〇M)、染料方式（可寫—次型，R)、相變化方式（重複讀 寫型’ RW)、改變顏色方式或磁場方向轉變方式等，或不 同之資料記錄格式搭配不同之#料記錄方式所組成之複 合型光碟。又依直徑之不同，可分為直徑8咖或12咖、 名片形狀、卡片形狀或其他可能形狀之光學記錄媒體。 第二實施例 、請參照圖3所示，本發明第二實施例之另—種夜光可 印式光學記錄媒體20a包含—記錄本體21以及—夜光吸墨 層22a。由於記錄本體21已於第—實施例詳述，於此不再 贅述。 夜光吸墨層22a包含-底色層221及一吸墨層222， 200912904 底色層221及吸墨層222依序設置於印刷侧211。其中， 吸墨層222包含一夜光材料。吸墨層222的材料與第一實 施例的夜光吸墨層22相同，夜光材料的設置已於第一實 施例詳述，於此亦不再贅述。 底色層221包含一單體（monomer)、一募聚合物 (oligomer)及一光起始劑（photosensitizers)。單體可選 自丙烯酸單體（acrylic monomer)、丙烯驢基氧基丁基填酸 % 單體（mono-acryloyl-oxy-butyl-phosphoric acid)、丙稀醯 基氧基丁基順丁烯二酸鹽（acryloyl-oxy-butyl-maleate)及 氳 硫基丙 基三曱 氧 基矽烷 (mercapto-propyl-trimethoxy-silans)所構成的群組。寡聚合 物可選自不飽和聚醋（unsaturated polyesters)、丙烯酸寡 聚合物（acrylic oligomers)及環氧化物（epoxiesepoxy) 所構成的群組，而丙烯酸寡聚合物可為環氧丙烯酸酯 (epoxy acrylates )、胺醋丙烯酸 g旨（urethane acrylates )或 聚酉旨丙稀酸酯（polyester acrylates )。光起始劑可選自酉同 (ketones )、酮薰草素（ketocoumarins )及芳香族烴 (aromatic hydrocarbons )所構成的群組。 底色層221之設置是用以作為喷墨印刷時之背景，通 常為白色；當然亦可依實際需要，將底色層221之顏色以 其他顏色取代。於本實施例中，底色層221係提供一底色 作用。 第三實施例 請參照圖4所示，本發明第三實施例之再一種夜光可 印式光學記錄媒體20b包含一記錄本體21以及一夜光吸 200912904 墨層22b。由於記錄本體21已於第一實施例詳述，於此不 再贅述。 夜光吸墨層22b包含一夜光底色層223及一吸墨層 222，夜光底色層223及吸墨層222依序設置於印刷側 211。其中，夜光底色層223及吸墨層222均包含夜光材 料。吸墨層222的材料與第一實施例的夜光吸墨層22相 同，夜光材料的設置已於第一實施例詳述，於此亦不再贅 述。 . 而夜光底色層223與上述底色層221不同之處在於： 夜光底色層223多添加一夜光材料而可選自螢光材料或磷 光材料，而使夜光底色層223及吸墨層222均能於昏暗環 境下發光。於本實施例中，夜光底色層223係提供另一夜 光而與吸墨層222發出的夜光形成加乘作用，二夜光的色 彩、濃度及亮度可為相同或不同，而可產生多種組合態 樣，不僅易於辨識且能夠吸引注意。 綜上所述，依本發明之一種夜光可印式光學記錄媒體 藉由添加夜光材料於吸墨層，經光線或日光照射後而於昏 暗環境下，光學記錄媒體能夠發光易於辨識且吸引注意。 另外，若夜光材料含有例如氧化物及硫化物時，更能夠增 加與油墨的混合相容性，提升固色效果而避免暈墨。再 者，本發明能夠應用於既有的生產設備，不需增加膜層亦 不需設備變更。 以上所述僅為舉例性，而非為限制性者。任何未脫離 本發明之精神與範疇，而對其進行之等效修改或變更，均 11 200912904 應包含於後附之申請專利範圍中。 【圖式簡單說明】 圖1為一種習知可印式光學記錄媒體的示意圖； 圖2為本發明第一實施例之一種夜光可印式光學記錄 媒體的示意圖； 圖3為本發明第二實施例之另一種夜光可印式光學記 錄媒體的示意圖；以及 圖4為本發明第三實施例之再一種夜光可印式光學記 錄媒體的示意圖。 【主要元件符號說明】 10 :可印式光學記錄媒體 II、 21 :記錄本體 III、 211 :印刷侧 112、 212 :基板 113、 213 :記錄層 114、 214 :反射層 115、 215 :保護層 12 :著色層 20、20a、20b :夜光可印式光學記錄媒體 216 :記錄側 22、22a、22b :夜光吸墨層 221 :底色層 12 200912904 222 :吸墨層 223 :夜光底色層 L :雷射光200912904 IX. Description of the Invention: [Technical Field] The present invention relates to an optical recording medium, and more particularly to a luminous printable optical recording medium. [Prior Art] As shown in FIG. 1, a conventional printable optical recording medium 10 includes a recording body 11 and a colored layer 12. The recording body 11 includes a substrate 112, and a recording layer 113, a reflective layer 114, and a protective layer 115 disposed on the substrate 112. The colored layer 12 is disposed on the protective layer 115. A printing side 111 is formed on the protective layer 115, and the colored layer 12 is disposed on the printing side 111 of the recording body 11. The user can form an ink (not shown) on the coloring layer 12 of the printable optical recording medium 10 by inkjet printing using a drawing printer. Thus, the user can obtain an printable optical recording medium 10 having an ink pattern. However, the ink pattern on the printable optical recording medium 10 may have poor adhesion between the ink and the coloring layer, and poor fixing property may cause halo and lower resolution, and may be difficult to identify in a dim environment, resulting in a lack of identification. Inconvenience in use. Therefore, how to provide a luminous photo-printable optical recording medium that can be easily recognized and attracted attention in a dim environment, and to enhance the fixing effect, has become one of the important topics. SUMMARY OF THE INVENTION In view of the above problems, it is a primary object of the present invention to provide a luminous printable optical recording medium which is capable of being easily recognized and attracted attention in a dim environment by emitting light from a luminous ink absorbing layer. In view of the above problems, a secondary object of the present invention is to provide a luminous printable optical recording medium in which a luminous material is increased in compatibility with ink, and a fixing effect is enhanced to avoid fading. In order to achieve the above object, a luminous optical recording medium according to the present invention comprises a recording body and a luminous ink absorbing layer. The recording body has a printing side, and the luminous ink absorbing layer is disposed on the printing side of the recording body. The luminous ink receptive layer contains a luminous material. According to the invention, a luminous printable optical recording medium according to the present invention can be easily recognized and attracted by the addition of a luminescent material to the ink absorbing layer after being irradiated with light or sunlight in a dim environment. Further, when the luminescent material contains, for example, an oxide and a sulfide, the mixing compatibility with the ink can be further increased, and the fixing effect can be enhanced to avoid fading. Furthermore, the present invention can be applied to existing production equipment without requiring an increase in film layers or equipment changes. [Embodiment] Hereinafter, a luminous printable optical recording medium according to a preferred embodiment of the present invention will be described with reference to the accompanying drawings, wherein the same elements will be described with the same reference numerals. First Embodiment Referring to Figure 2, a luminous printable optical recording medium 20 according to a first embodiment of the present invention comprises a recording body 21 and a luminous ink absorbing layer 200912904 22. The recording body 21 is illustrated by using a compact disc (CD) as an example, but is not intended to limit the present invention. The recording body 21 has a printing side 211. The luminous ink absorbing layer 22 is disposed on the printing side 211 of the recording body 21. The recording body 21 includes a substrate 212, and a recording layer 213, a reflective layer 214, and a protective layer 215 disposed on the substrate 212. The recording body 21 has a recording side 216 on one side of the substrate 212, and a laser reading head (not shown) is incident on a laser light L (as indicated by an arrow) for reading and writing data. . The material of the substrate 212 may be polycarbonate (pc) or other non-crystalline optical polymer such as polyacrylonitrile acrylate (PMMA). The luminous ink absorbing layer is a mixed resin mainly composed of acrylic, which may be composed of an acidic resin or a face resin. Wherein, the functional group of the resin is, for example but not limited to, a carbonyl group (C=0), a hydroxyl group (-OH), a carboxyl group (-COOH), a sulfo group (-S03H), an amine group (-NH), a primary amine group (-NH2). a secondary amino group (-nhch3), a tertiary amino group (-n(ch3)2), a -N(CH3)3OH group or a -N(CH3)2C2H4OH group. The material of the luminous ink-receiving layer 22 may be selected from the group consisting of an amine resin' phenolic resin, an alkyd resin, an acylic resin, an amino resin, and an amine group. A group consisting of a urethane resin, a vinyle acetate, a vinyl alcohol, a propylene glycol, a polypropylene glycol, and a continuation or a salt thereof. In addition, the luminous ink-receiving layer 22 comprises a luminous material which may be a fluorescent material or a phosphorescent material, so that the luminous ink-absorbing layer 22 can emit light in a dim environment. 200912904 Luminous material has a host compound and may be selected from sulfides such as, but not limited to, ZnS, CdS, SrS, CaS, halophosphate compounds (such as, but not limited to, 3Ca3 (P04). Ca(F, Cl) 2), phosphate Compounds (such as, but not limited to, Sr2P2〇7, Ba2P207, (Ca, Zn)3(P〇4)2), citrate compounds (such as, but not limited to, Zn2Si04, CaSi03, (Sr, Ba, Mg) 3Si2〇7) a tungstate compound such as, but not limited to, CaW04, MgW〇4; a citrate compound such as, but not limited to, BaMg2Al16〇27, CeMgAln019, Sr4Al14〇25 or other compounds such as, but not limited to, Y2〇3, YV〇4 , SrB407F, MgGa204) and combinations thereof. The luminous effect can be achieved by color mixing and by double-layer to multi-layer mixing to obtain different colors, concentrations and brightness for better illuminating effect. In addition, the material of the luminous ink-receiving layer 22 comprises an inorganic material and may be selected from the group consisting of titanium dioxide (Ti02), cerium oxide (SiO 2 ), aluminum oxide (Al 2 〇 3 ), zinc oxide (ZnO), calcium carbonate (CaC03), white clay. And the group formed by its combination. The setting of the luminous ink-receiving layer 22 is for absorption of ink during ink-jet printing. Since the luminous ink-receiving layer 22 contains an inorganic material, a plurality of minute pores can be generated in the luminous ink-absorbing layer 22, which helps the ink to enter the luminous ink-absorbing layer 22, and the ink is dried quickly. It can be illuminated in dimly lit environments by means of light or sunlight. In addition, the luminous materials and the above-mentioned resin materials are rich in oxides and sulfides, which can increase the compatibility of the resin and the ink, so that the luminous ink-absorbing layer can improve the ink absorption and fix the color effect, which can reduce the conventional structure of the spray. There is a halo phenomenon after the ink, so the resolution is improved. The luminous ink absorbing layer 22 is disposed on the recording body 21. The luminous ink absorbing layer can be treated as a glossy or matte surface according to actual needs and with different proportions. In the embodiment of the present invention, in the embodiment of the present invention, only one layer of the luminescent ink layer 22 is provided, the thickness of which is greater than the micrometer (μπι) and having a luminous material content of between 5% and 5% by weight. The volt-receiving ink layer 22 can be printed or coated on the printing side 211 ' of the recorded body 21 and can be dried by hard air drying, near-infrared (ir) drying or ultraviolet light (uv). Ink layer 22. When the thickness of the luminous ink absorbing layer 22 is thin, the optical recording medium 2 directly displays the color of the reflective layer 214 and the color of the reflective layer 214 (for example, gold, silver or copper) can be used as a future. Use the background color of the printer's printed pattern. ~ Of course, the present invention is not limited to the fact that the recording body 21 must be a compact disc (CD)', or a video player (DVD), a high-definition video disc (HD-DVD), a Blu-ray disc (BD) or a hologram disc ( Hvd). And the recording form of the optical recording medium can be divided into pre-groove mode (read only type, R〇M), dye mode (writable-subtype, R), phase change mode (repeated read and write type 'RW), change A composite optical disc consisting of a color mode or a magnetic field direction change mode, or a different data recording format with a different material recording method. According to the difference in diameter, it can be divided into optical recording media of 8 coffee or 12 coffee, business card shape, card shape or other possible shapes. SECOND EMBODIMENT Referring to Fig. 3, another luminous optical recording medium 20a according to a second embodiment of the present invention comprises a recording body 21 and a luminous ink absorbing layer 22a. Since the recording body 21 has been described in detail in the first embodiment, it will not be described again. The luminous ink receiving layer 22a includes a bottom color layer 221 and an ink receiving layer 222, and the bottom color layer 221 and the ink receiving layer 222 are sequentially disposed on the printing side 211. Wherein, the ink absorption layer 222 comprises a luminous material. The material of the ink receptive layer 222 is the same as that of the luminous ink receptive layer 22 of the first embodiment, and the arrangement of the luminous material has been described in detail in the first embodiment, and will not be described herein. The underlayer 221 comprises a monomer, an oligomer, and a photosensitizer. The monomer may be selected from the group consisting of acrylic monomer, mono-acryloyl-oxy-butyl-phosphoric acid, acrylonitrile butyl butyl maleate. A group consisting of (acryloyl-oxy-butyl-maleate) and mercapto-propyl-trimethoxy-silans. The oligomeric polymer may be selected from the group consisting of unsaturated polyesters, acrylic oligomers and epoxiesepoxy, and the acrylic oligomers may be epoxy acrylates. ), urethane acrylates or polyester acrylates. The photoinitiator can be selected from the group consisting of ketones, ketocoumarins, and aromatic hydrocarbons. The background layer 221 is provided for use as a background for inkjet printing, and is usually white; of course, the color of the underlayer 221 may be replaced by other colors as needed. In the present embodiment, the ground layer 221 provides a background color. THIRD EMBODIMENT Referring to Fig. 4, a further luminescent optical recording medium 20b according to a third embodiment of the present invention comprises a recording body 21 and a luminescent layer 200912904 ink layer 22b. Since the recording body 21 has been described in detail in the first embodiment, it will not be described again. The luminous ink-receiving layer 22b includes a luminous underlying layer 223 and an ink-receiving layer 222, and the luminous underlying layer 223 and the ink-receiving layer 222 are sequentially disposed on the printing side 211. The nightlight underlayer 223 and the ink receptive layer 222 each comprise a luminescent material. The material of the ink receptive layer 222 is the same as that of the luminous ink receptive layer 22 of the first embodiment, and the arrangement of the luminous material has been described in detail in the first embodiment, and will not be further described herein. The luminous underlying layer 223 is different from the above-described underlying layer 221 in that: the luminous underlying layer 223 is additionally added with a luminous material and may be selected from a fluorescent material or a phosphorescent material, and the luminous underlying layer 223 and the ink receiving layer are provided. 222 can emit light in a dim environment. In the present embodiment, the night light background layer 223 provides another night light to form a multiplying effect with the night light emitted by the ink receiving layer 222. The color, concentration and brightness of the two night lights may be the same or different, and a plurality of combinations may be generated. It is not only easy to identify but also attracts attention. In summary, the luminous printable optical recording medium according to the present invention can be easily recognized and attracted by the addition of the luminescent material to the ink absorbing layer after being irradiated with light or sunlight in a dim environment. Further, when the luminescent material contains, for example, an oxide and a sulfide, the mixing compatibility with the ink can be further increased, and the fixing effect can be enhanced to avoid fading. Furthermore, the present invention can be applied to existing production equipment without requiring an increase in film layers or equipment changes. The above is intended to be illustrative only and not limiting. Any equivalent modifications or alterations to the spirit and scope of the present invention are intended to be included in the scope of the appended claims. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic view of a conventional printable optical recording medium; FIG. 2 is a schematic view of a luminous printable optical recording medium according to a first embodiment of the present invention; A schematic diagram of another luminous photo-printable optical recording medium; and FIG. 4 is a schematic diagram of still another luminous photo-recordable optical recording medium according to a third embodiment of the present invention. [Main component symbol description] 10: Printable optical recording medium II, 21: Recording body III, 211: Printing side 112, 212: Substrate 113, 213: Recording layer 114, 214: Reflecting layer 115, 215: Protective layer 12 Coloring layer 20, 20a, 20b: luminous photo-recordable optical recording medium 216: recording side 22, 22a, 22b: luminous ink-receiving layer 221: underlying layer 12 200912904 222: ink-receiving layer 223: luminous underlying layer L: laser