TW578186B - Plasma display panel and method of forming the same - Google Patents
Plasma display panel and method of forming the same Download PDFInfo
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- TW578186B TW578186B TW91135341A TW91135341A TW578186B TW 578186 B TW578186 B TW 578186B TW 91135341 A TW91135341 A TW 91135341A TW 91135341 A TW91135341 A TW 91135341A TW 578186 B TW578186 B TW 578186B
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578186578186
年 A 案號 91135341 五、發明說明(ί) 發明所屬之技術領域 本發明係關於一種電漿顯示器,特別是一種具有高 對比(c ο n t r a s t r a t i 〇)效果的電黎顧示面板。 先前技術 電聚顯示器(p 1 asma d i sp 1 ay Pane 1,PDP )是一種藉 由氣體放電來產生發光的平面顯示器’其係由複數個填 充有惰性氣體的放電單元(discharge cel 1)所組成,而 各放電單元内的惰性氣體在受到電場激發後,可產生紫 外光來照射在各放電單元表面的螢光體上,再藉由不同 的瑩光體所反射出之紅色、綠色與藍色的可見光,並酉己 合驅動電路之設計與影像訊號處理以將此三種原色的可 見光混合,而形成彩色的畫面。由於電漿顯示器的尺寸 大且薄,並具有低輻射與視角廣等,優點,因此是未來大 尺寸顯示器的主流。 (discharge gas, 板1 4之間。其中, 列的電極對1 6,各 1 8與電極2 0,電極 請參考圖:,圖一為習知電漿顯示器丨〇的剖面示意 圖。如圖一所示,電漿顯示器10包含有一前基板12、二 與前基板1 2平行相對的後基板丨4、以及一放電氣體Year A Case No. 91135341 V. Description of the invention (ί) The technical field to which the invention belongs The present invention relates to a plasma display, and in particular to a display panel with high contrast (c ο n t r a s t r a t i 〇) effect. The prior art electro-polymer display (p 1 asma di sp 1 ay Pane 1, PDP) is a flat display that generates light by gas discharge. It is composed of a plurality of discharge cells (discharge cel 1) filled with an inert gas. After the inert gas in each discharge cell is excited by the electric field, it can generate ultraviolet light to illuminate the phosphor on the surface of each discharge cell, and then the red, green and blue reflected by different phosphors The visible light is combined with the design of the driving circuit and the image signal processing to mix the three primary colors of visible light to form a colorful picture. Plasma displays are large and thin, and have the advantages of low radiation and wide viewing angles, so they are the mainstream of future large-size displays. (discharge gas, between plates 1 to 4. Among them, the electrode pairs 16 in the row, each 18 and the electrode 20, please refer to the figure: Figure 1 is a schematic cross-sectional view of a conventional plasma display. Figure 1 As shown, the plasma display 10 includes a front substrate 12, two rear substrates parallel to the front substrate 12, and a discharge gas.
578186578186
疊而成,而電極2 0則是白人亡祕4士丄 20h。一般而古,維抟雷托f持電極2〇3與輔助電極 T d ° τ夺持電.極I83與維持電極2〇a大多是由氧 案號 91135341 五、發明說明(2) = (--Tin 辅助電極18b、20b則是由鉻/銅/鉻 材料所構成的不透明電極,其透光性雖然較差,然而卻 具有優良的導電性,因此被設計來堆疊於維持電極⑽ 2〇3表面,以作為輔助維持電極183、2心 外’前基板1 2的表面上另設有一介電層24覆蓋於前基板 1 2上,以及一保護層2 6覆蓋於介電層2 2上,通常介電層 2 4與保s蔓層2 6係由可透光的材料所構成。 另一方面,後基板1 4的表面係設有複數個定址電極 (address electrode) 28、以及複數個阻隔壁(rib) 30, 其中,定址電極2 8係以與電極對1 6相垂直的方向平行設 置於後基板1 4表面,而各阻隔壁3 0則是以互相平行的方 式設於後基板1 4上,用來隔離兩相鄰之定址電極2 6。此 外,後基板14的表面上還設有一螢光層32 ’其係塗佈於 每一定址電極2 8表面以及兩側之阻隔壁3 0的側壁表面。 值得注意的是,每一電極對1 6與兩相鄰之阻隔壁3 0的交 會處(intersection)係形成一放電單元(discharge c e 1 1) 3 4,而各個放電單元3 4内的放電氣體於激發電離 後,可產生紫外線照射螢光層3 2,而分別產生紅色、綠 色或是藍色的可見光線。The stack of electrodes 20 was made up of white men and women for 20 hours. In general, Vita Leto f holds the electrode 203 and the auxiliary electrode T d ° τ to seize electricity. The pole I83 and the sustain electrode 20a are mostly composed of oxygen case number 91135341 V. Description of the invention (2) = (- -Tin auxiliary electrodes 18b and 20b are opaque electrodes made of chrome / copper / chromium materials. Although their light transmittance is poor, they have excellent conductivity, so they are designed to be stacked on the surface of the sustaining electrode 203. As an auxiliary sustaining electrode 183, 2 the surface of the front substrate 12 is further provided with a dielectric layer 24 covering the front substrate 12 and a protective layer 26 covering the dielectric layer 22. Generally, The dielectric layers 24 and 26 are made of a light-transmissive material. On the other hand, the surface of the rear substrate 14 is provided with a plurality of address electrodes 28 and a plurality of barrier ribs. (Rib) 30, wherein the address electrodes 28 are arranged parallel to the surface of the rear substrate 14 in a direction perpendicular to the electrode pair 16, and the barrier ribs 30 are arranged on the rear substrate 14 in a parallel manner. To isolate two adjacent address electrodes 26. In addition, a fluorescent light is provided on the surface of the rear substrate 14. The layer 32 'is coated on the surface of each fixed electrode 28 and the sidewall surface of the barrier ribs 30 on both sides. It is worth noting that each electrode pair 16 meets two adjacent barrier ribs 30. (Intersection) is to form a discharge cell (discharge ce 1 1) 3 4, and the discharge gas in each discharge cell 3 4 can generate ultraviolet rays to irradiate the fluorescent layer 3 2 after being excited and ionized, and respectively produce red, green or Blue visible light.
第8頁 578186 —-—一—135341 年 月 日 修正 五、發明說明(3) —一~一— 一~^一一一~———:— 此外’為了提昇電漿顯示器10的晝面顯示對比效 果:相粦Γ的電極對1 6之間還會設有一遮光層(j ] ghh shielding layer, or black matrix layer)22 ^ ^電極對1 6之間產生漏光現象(Ug此 ,(cross-talk)的情形,並且遮光層22還有抗反射之功 能。然而,遮光層22的材料若與維持電極18a、2 0a或輔 助電極1 8 b、2 〇 b直接接觸,便會發生還原及應而使遮光 層2 2的顏色淡化,例如由黑色褪為咖啡色。因此,為避 免上述情況,在習知的電景顯示器丨0中,遮光層2 2與維 持電極18a、20a之間必須保持一定距離(如dl),以避免遮 光層2 2與維持電極1 8 a、2 0 a或輔助電極1 8 b、2 0 b接觸。 但是,遮光層2 2與維持電極1 8 a、2 0 a之間的空隙往往會 導致漏光現象,使得電漿顯示器丨0的晝面顯示亮度下 降,進而影響電漿顯示器1 〇的顯示品質。 發明内容 ϊ ' 本發明的目的是提供一種具有高對比效果的電漿顯 示面板,以解決前述問題。 依據本發明之目的,本發明的較佳實施例提供一種 電漿顯示器,其包含有一前基板以及一後基板,該前基 板上設置有複數個相互平行的電極對(e 1 e c t r 〇 d e P a i r ),而該後基板係平行相對地設置於該前基板之下, 且該後基板包含有複數個格子狀阻.隔壁(waf f 1 e- 578186 案號91135341 _—年 月 日 修正 ' · . ~~ : 1 :~; : —-—. _____ 五、發明說明(4) ~~ structured rib)平行地設置於該後基板的表面上、以及 複數個遮光層( l ight-shielding layer),各該格子狀阻 隔壁係相對應設於其上方之各該電極對之下,而各該遮 光層係分別設於任兩袓鄰之.各該格子狀阻隔壁之間。 由於本發明之 光層不會與該前基 反應,因而可避免 該遮光層54的遮光 area)的覆蓋比例 的情形,進而提昇 (contrast ratio J > rf· 此還增a d線 因生可比 ,產更區C對 或 上而,暗、的 象 板觸失於見示 基接缺層^顯 後.互之光17t面 該相色遮b晝 於對褪該 的 設極生高^器 係電產提示 層該層以顯 光务光,^漿。 遮的遮積丨電果 因 該板該面該效 , 實施方式 睛參^圖二至圖三,圖二係為本發明之電漿顯示器 40之剖面示意圖,圖三則係為圖二沿切線3 —3,之剖面示 意圖。如圖二所示,電漿顯示面板4〇包含有一前基板 42 ’ 一與_前基板42平行相對的後基板44,以及一放電氣 體(未^示)填充並封存於前基板42與後基板44之間。其 中’刚基板4 2的表面上設有複數個平行排列的電極對 4 6且各電;^對4 6均包含有二彼此平行的電極4 8與電極 5 0 ’電極4 8係由維持電極4 8 a與辅助電極4 8 b堆疊而成, 而電極5 0則是包含有維持電極5 〇 a與輔助電極5 〇 b。在本 發明之較佳實施例中,各維持電極48a與5〇a係為透明導Page 8 578186 — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — Contrast effect: a light-shielding layer (j] ghh shielding layer, or black matrix layer) is also provided between the electrode pairs 16 of phase ΓΓ, and light leakage occurs between the electrode pairs 16 (Ugthis, (cross- talk), and the light-shielding layer 22 also has an anti-reflection function. However, if the material of the light-shielding layer 22 is in direct contact with the sustain electrodes 18a, 20a or the auxiliary electrodes 18b, 20b, reduction and application will occur. The color of the light-shielding layer 22 is faded, for example, from black to brown. Therefore, in order to avoid the above situation, in the conventional TV display 丨 0, a certain distance must be maintained between the light-shielding layer 22 and the sustain electrodes 18a and 20a Distance (such as dl) to avoid the light shielding layer 22 from contacting the sustaining electrodes 18 a, 20 a or the auxiliary electrodes 18 b, 2 0 b. However, the light shielding layer 2 2 and the sustaining electrodes 18 a, 2 0 a The gap between them often leads to light leakage, which reduces the brightness of the daytime display of the plasma display. This further affects the display quality of the plasma display 10. The object of the present invention is to provide a plasma display panel with a high contrast effect to solve the aforementioned problems. According to the purpose of the present invention, preferred embodiments of the present invention A plasma display is provided. The plasma display includes a front substrate and a rear substrate. The front substrate is provided with a plurality of parallel electrode pairs (e 1ectr ode P air). Below the front substrate, and the rear substrate contains a plurality of grid-like barriers. The next wall (waf f 1 e- 578186 case number 91135341 _-year, month and day correction '·. ~~: 1: ~; : —-—. _____ V. Description of the invention (4) ~~ Structured ribs are arranged in parallel on the surface of the rear substrate and a plurality of light-shielding layers, and each of the grid-shaped barrier ribs is disposed above the corresponding one. Under each of the electrode pairs, and each of the light-shielding layers is disposed between any two adjacent sides. Each of the grid-shaped barrier ribs. Since the light layer of the present invention does not react with the front base, the light-shielding can be avoided. Layer 54 (Light area) coverage ratio, and then increase (contrast ratio J > rf · This also increases the ad line due to comparable products, the production area C is up or up, and the dark and dark image board is missing in the display base. After the layer is displayed, the color on the 17t side of the mutual light is hidden in the daytime. This layer is designed to display the high-level electrical system. This layer is used to display the light and light. The concealment and concealment 丨 the electric effect is due to the effect of the surface of the board. The embodiment is shown in Figures 2 to 3. Figure 2 is a schematic cross-sectional view of the plasma display 40 of the present invention. Schematic diagram of section 3—3. As shown in FIG. 2, the plasma display panel 40 includes a front substrate 42 ′, a rear substrate 44 parallel to the front substrate 42, and a discharge gas (not shown) to fill and seal the front substrate 42 and the rear substrate. Between 44. The 'rigid substrate 4 2' is provided with a plurality of electrode pairs 46 arranged in parallel on the surface of the substrate 4 and each electricity; the pair 46 includes two electrodes 4 8 and 50 which are parallel to each other. The electrode 4 8 is a sustaining electrode. The 4 8 a and the auxiliary electrode 4 8 b are stacked, and the electrode 50 includes a sustain electrode 5 0a and an auxiliary electrode 5 0b. In a preferred embodiment of the present invention, each of the sustain electrodes 48a and 50a is a transparent conductive layer.
第10頁 578186 趣 厂二 發明說明C5) 電材料’例如Page 10 578186 Fun Factory II Invention Description C5) Electrical Materials ’Example
48b與5Ob則可 阻的導電材料 氧化銦錫或氧化銦鋅(IZ〇),而各輔助電極 以是鉻-銅-鉻或銀等金屬材料或其他低電 n 2 ί、囷=與圖二戶斤示,後基板4 4的表面上設有複數個 子狀阻隔壁(waffle一structured rib)^^ =光層54,各袼子狀阻隔壁52係平行且等距地設置於後 土板4 4f面,並且各格子狀阻隔壁Μ與其相對應之各電 ,對4 6係彼此平行相對,而各遮光層5錄分別設於兩相 鄰之各格子狀阻隔壁5.2之間,用來避免漏光現象或光線 干擾的2形。此外,各袼子狀阻隔壁52均包含有複數個 阻隔壁單元(r i b c e 1 1) 5 2 a、5 2 b與5 2 c,而各阻隔壁單元 Ma、52b與52c内分別設置有紅色螢光體層58a、綠色螢 光體層5 8 b、以及藍色螢光體層5 8 c。並且,各阻隔壁單 元5 2 a、5 2 b、5 2 c係與各電極對4 6組成複數個放電單元 (未顯示),當各該放電單元内的放電氣體於激發電離 後’可產生紫外線照射各螢光體層58a、58b、58c,而分 別產生紅色、綠色或是藍色的可見光線。 刀48b and 5Ob are resistive conductive materials, indium tin oxide or indium zinc oxide (IZ〇), and each auxiliary electrode is a metal material such as chromium-copper-chromium or silver or other low-electricity n 2 囷, 囷 = and Figure 2 As shown by the householder, a plurality of waffle-structured ribs ^^ are formed on the surface of the rear substrate 44. The light-layer barriers 52 are arranged on the surface of the rear soil plate 4 in parallel and equidistantly. 4f surface, and each grid-shaped barrier wall M and its corresponding electricity, pair 46 series are opposed to each other in parallel, and each light-shielding layer 5 is provided between two adjacent grid-shaped barrier walls 5.2 to avoid Light leakage or light interference of the 2 shape. In addition, each of the mule-shaped barrier ribs 52 includes a plurality of barrier rib units (ribce 1 1) 5 2 a, 5 2 b, and 5 2 c, and each of the barrier rib units Ma, 52b, and 52c is provided with a red fluorescent lamp. The phosphor layer 58a, the green phosphor layer 5 8 b, and the blue phosphor layer 5 8 c. In addition, each barrier wall unit 5 2 a, 5 2 b, 5 2 c and each electrode pair 4 6 constitute a plurality of discharge cells (not shown). When the discharge gas in each discharge cell is excited and ionized, it can be generated. Ultraviolet light irradiates each of the phosphor layers 58a, 58b, and 58c, and generates visible light of red, green, or blue, respectively. Knife
在本發明之較佳實施例中,格子狀阻隔壁5 2係為零 色阻隔壁(black-type rib),其成份係包含有低熔點& 璃或金屬氧化物’而遮光層5 4係由氧化鎮、氧化銅、敦 化鐵或黑色樹脂(“3丨11)等黑色染料(1313(^1)411^111:)_ 構成。此外,在本發明之其他實施例中,格子狀阻隔壁 5 2係為白色阻隔壁(white-type rib),或者是,利用白In a preferred embodiment of the present invention, the grid-like barrier wall 52 is a black-type rib, and its composition includes a low melting point & glass or metal oxide, and the light-shielding layer 5 4 system Consisting of black dyes (1313 (^ 1) 411 ^ 111:) _ such as oxidized town, copper oxide, ferric iron, or black resin ("3 丨 11). In addition, in other embodiments of the present invention, the grid-shaped barrier ribs 5 2 series are white-type ribs, or use white
第11頁 578186 _____案號91135341 年 月 日 修正 _ 五、發明說明(6) 色阻隔壁與黑色阻隔壁上下堆疊而形成各格子狀阻隔壁 5 2 ’其中,白色阻隔璧的成份包含’有低炫點玻璃或金屬 氧化物。另一方面,遮光層5 4的成份還可以是感光性材 料(light-sensitive material ) °Page 11 578186 _____ Case No. 91135341 Revised Month-Date _ V. Description of the Invention (6) Color barriers and black barriers are stacked on top of each other to form grid-like barriers 5 2 'wherein the components of the white barrier 白色 include Low-dazzle glass or metal oxide. On the other hand, the light-shielding layer 54 may be made of a light-sensitive material.
值得注意的是,本發明之遮光層5 4係設於後基板44 上的格子狀阻隔壁52之間,因此在本發明中,遮光層54 係可能與格子狀阻隔壁52或前基板46的保護層(未顯示) 相接觸,但遮光層5 4卻不會與電極對4 6相互接觸而產生 還原反應,因而可避免遮光層5 4產生褪色之缺失。再 者,遮光層5 4與格子狀阻隔壁5 2的材料類似,因此可穩 定共存,而實驗證明遮光層5 4與該保護層亦可穩定結 合。另一方面,由於本發明係將遮光層54設於後基板46 上’所以可有效增加遮光層54的遮光面積,以完全遮蔽 相鄰的電極對46之間的間隙56,因此能大^避免漏光現 ^或光線干擾的情形,進而提昇電衆顯示器4〇的畫面顯 示的對比效果。 請參考圖四(A )至圖四(D ),圖四(A )至圖四(D )係為 本發明電漿顯示器4 0之較佳實施例的製造方法示意圖。 2圖四(A)所示,首先於一玻璃基板44上依序形成複數條 電極(未顯示)與一白色反射介電層·(未顯示)覆蓋於 该等定址電極上。接著,進行一整面印刷製程,以於該 白色反射介電層上形成一阻隔壁材料層(rib material layer)51,而阻隔壁材料層51可以是白色漿料層或黑色It is worth noting that the light-shielding layer 54 of the present invention is disposed between the grid-like barrier walls 52 on the rear substrate 44. Therefore, in the present invention, the light-shielding layer 54 may be connected to the grid-like barrier wall 52 or the front substrate 46. The protective layer (not shown) is in contact with each other, but the light-shielding layer 5 4 does not contact the electrode pair 46 to cause a reduction reaction, so that the lack of discoloration of the light-shielding layer 5 4 can be avoided. Furthermore, the material of the light-shielding layer 54 is similar to that of the grid-like barrier ribs 52, so it can coexist stably, and experiments have proved that the light-shielding layer 54 and the protective layer can also be stably combined. On the other hand, since the light-shielding layer 54 is provided on the rear substrate 46 according to the present invention, the light-shielding area of the light-shielding layer 54 can be effectively increased to completely shield the gap 56 between the adjacent electrode pairs 46, which can be greatly avoided. The situation of light leakage or light interference further improves the contrast effect of the screen display of the electric display 40. Please refer to FIG. 4 (A) to FIG. 4 (D). FIG. 4 (A) to FIG. 4 (D) are schematic diagrams of a manufacturing method of a plasma display 40 according to a preferred embodiment of the present invention. 2 As shown in FIG. 4 (A), a plurality of electrodes (not shown) and a white reflective dielectric layer (not shown) are sequentially formed on a glass substrate 44 to cover the address electrodes. Next, a whole surface printing process is performed to form a rib material layer 51 on the white reflective dielectric layer, and the barrier material layer 51 may be a white paste layer or black
第12頁 578186 --------- 案號」_一年 月—日__j务正 _ 五、發明說明(7) 漿料層,其成份包含有低溶點玻璃、金屬氧化物、溶劑 或接合劑等。隨後,在阻隔壁材料層51上貼上一圖案化 乾膜光阻層5 3’用以定義後續形成之格子狀阻隔壁的圖 案。此外,在本發明之其他實施例中,阻隔壁材料層5r 可以同時包含有白色漿料層與黑色衆料層,亦即阻隔壁 材料層51係由白色聚料層與黑色槳料層上下堆疊而成。 、如圖严(B)所示,接著進行一喷砂或一乾蝕刻製程, 以去除未被乾膜光阻層53所覆蓋的阻隔壁材料層5卜隨 後再進行一燒結製程,以使殘留的阻隔壁材料層5丨燒結 成複^個格子狀阻隔壁52,最後再進行一濕蝕刻製程來 去除乾膜光阻層53,而完成格子狀阻隔壁52的製作,並 且各格子狀阻隔壁5 2均具有複數個阻隔壁單元5 2 a、5 2 b 與 5 2 c 〇 如圖四(C )所示,進行一第一網版印刷製程,以於各 f子狀阻隔壁52之間形成一遮光層54,隨後再進行一乾 燥製程與一第一燒結製程,以使遮光層54内的溶劑完全 揮發而固化,而完成遮光層54的製作。一般而言,遮光 層5 4的材料可以是感光性材料、氧化鎂、氧化銅、氧化 鐵或黑色樹脂等。 然後,如圖四(D )所示,進行一第二網版印刷製程, 將紅色螢光體層58a、綠色螢光體層58b與藍色螢光體層 5 8 c依序形成於各阻隔壁單元5 2 a、5 2 b與5 2 c内。之後再Page 12 578186 --------- Case No. "_ One Month—Day__j 务 正 _ V. Description of the Invention (7) The slurry layer contains low melting point glass, metal oxide, Solvent or adhesive. Subsequently, a patterned dry film photoresist layer 5 3 'is pasted on the barrier wall material layer 51 to define a pattern of a grid-shaped barrier wall to be formed later. In addition, in other embodiments of the present invention, the barrier wall material layer 5r may include both a white slurry layer and a black crowd layer, that is, the barrier wall material layer 51 is stacked on top of each other by a white polymer layer and a black paddle layer. Made. As shown in Figure (B), a sandblasting or a dry etching process is then performed to remove the barrier material layer 5 which is not covered by the dry film photoresist layer 53, and then a sintering process is performed to make the remaining The barrier wall material layer 5 is sintered into a plurality of grid-shaped barrier walls 52, and finally a wet etching process is performed to remove the dry film photoresist layer 53 to complete the production of the grid-shaped barrier walls 52, and each of the grid-shaped barrier walls 5 2 each has a plurality of barrier wall units 5 2 a, 5 2 b, and 5 2 c 〇 As shown in FIG. 4 (C), a first screen printing process is performed to form between each f-shaped barrier wall 52 A light-shielding layer 54 is then subjected to a drying process and a first sintering process, so that the solvent in the light-shielding layer 54 is completely volatilized and solidified, and the production of the light-shielding layer 54 is completed. Generally, the material of the light-shielding layer 54 may be a photosensitive material, magnesium oxide, copper oxide, iron oxide, black resin, or the like. Then, as shown in FIG. 4 (D), a second screen printing process is performed, and the red phosphor layer 58a, the green phosphor layer 58b, and the blue phosphor layer 5 8c are sequentially formed on each barrier wall unit 5 2 a, 5 2 b, and 5 2 c. Later
第13頁 578186 __—~^ _年 月日. 修正 五、發明說明(8) ~ — 進行一第二燒結製程,以使紅色螢光體層58a、綠色螢光 體層58b與藍色螢光體層58c内的溶劑完全揮發而固化「 而完成後基板44的製作。 值得注意的是,上述之製作遮光層5 4以及螢光體層 5 8 a、5 8 b、5 8 c的步驟係可相互對調,亦即可先形成罃光 體層58a、58b、58c,然後再形成遮光層54r 遮光層5 4以及榮光體層5 8 a、5 8 b、5 8 c皆必須經過燒結, 因此遮光層54以及螢光體層58a、58b、58c也可同時進行 燒結製程,以簡化製程步驟,進而減少製程成本。除此 之外,本發明之電漿顯示面板40的‘前基板42的製造方 法,以及前基板4 2與後基板4 4的組裝方法係與習知技術 相同,因此不多贅述。 相較於習知技術,本發明之遮光層54係設於後基板 4 4上的格子狀阻隔壁5 2之間,並與前基板4 2表面的電極 對4 6成平行且交錯地設置,因此在本發明中,遮光層5 4 不會與電極對4 6相互接觸而產生還原反應,故可有效避 免遮光層5 4產生褪色之缺失。再者,由於本發明係將遮 光層5 4設於後基板4 6上,因此不但能夠大幅增加遮光層 54的遮光面積,以提高遮光層54於暗區(dark area)的覆 蓋比例,此外更可以有效避免漏光現象或光線干擾的情 形,進而提昇電漿顯示器40的畫面顯示的對比效果。並 且,遮光層54還可與螢光體層58a、58b、58c同時進行燒 結製程,因而可簡化製程步驟並減少製程成本,進而提Page 13 578186 __ ~~ ^ _ year, month, and day. Amendment V. Invention Description (8) ~ — A second sintering process is performed to make the red phosphor layer 58a, the green phosphor layer 58b, and the blue phosphor layer 58c. The solvent in the solvent completely volatilizes and solidifies, and the production of the substrate 44 is completed. It is worth noting that the above steps of manufacturing the light-shielding layer 5 4 and the phosphor layers 5 8 a, 5 8 b, and 5 8 c can be mutually adjusted. That is, the phosphor layers 58a, 58b, and 58c can be formed first, and then the light-shielding layer 54r, the light-shielding layer 54, and the glare-body layers 5 8a, 5 8b, and 5 8c must be sintered, so the light-shielding layer 54 and fluorescent The body layers 58a, 58b, and 58c can also be sintered at the same time to simplify the process steps and thereby reduce the process cost. In addition, the manufacturing method of the 'front substrate 42' of the plasma display panel 40 and the front substrate 42 of the present invention The assembly method with the rear substrate 44 is the same as the conventional technology, so it will not be described in detail. Compared to the conventional technology, the light-shielding layer 54 of the present invention is disposed between the grid-like barrier walls 52 on the rear substrate 44. And parallel to the electrode pairs 46 on the surface of the front substrate 4 2 Therefore, in the present invention, the light-shielding layer 5 4 does not come into contact with the electrode pair 46 to cause a reduction reaction, so it can effectively avoid the lack of discoloration of the light-shielding layer 54. Furthermore, since the light-shielding layer is used in the present invention, 5 4 is provided on the rear substrate 46, so not only can the light shielding area of the light shielding layer 54 be greatly increased to increase the coverage ratio of the light shielding layer 54 in the dark area, but also it can effectively avoid light leakage or light interference. Therefore, the contrast effect of the screen display of the plasma display 40 is improved. Moreover, the light-shielding layer 54 can also be sintered with the phosphor layers 58a, 58b, and 58c at the same time, thereby simplifying the process steps and reducing the process cost, thereby improving
第14頁 578186 案號 91135341 年 月 曰 修正 五、發明說明(9) 昇產品競爭力。 以上所述僅為本發明之較佳.實施例,凡依本發明 申請專利範圍所做之均等變化與修飾,皆應屬本發明專 利之涵盖範圍。Page 14 578186 Case No. 91135341 Date of Amendment V. Description of Invention (9) Improve product competitiveness. The above are only the preferred embodiments of the present invention. Any equal changes and modifications made in accordance with the scope of the patent application of the present invention shall fall within the scope of the patent of the present invention.
第15頁 578186 案號9Π35341 ——年 月 日 修正 ____ 圖式簡單說明 圖示之簡單說明: 圖一為習知電槳顯示器1 0的剖面示意圖。 圖二係為本發明之電漿顯示器4 〇之剖面示意圖。 圖三則係為圖二沿切線3-3,之剖面示意圖。 圖四(A )至圖四(D )係為本發明電漿顯示器40之较佳 實施例的製造方法示意圖。 之符號說明: 10、 40 電漿顯示器 12、 42 前基板 14 v 44 後基板 16、 46 電極對 18、 2(l·、 48〜50 電極 22 遮光層 18a 、20a、 48a、 5 0a 維持電極 18b 、20b、 48b、 50b 輔助電極 24 介電層 26 保護層 28 定址電極 30 阻隔壁 32 螢光體層 3 4 放電單元 52 格子狀阻隔壁 52a 、52b、 52c 阻隔壁單元 51 阻隔壁材料層 5 3 乾膜光阻 54 遮蔽層 56 間隙Page 15 578186 Case No. 9Π35341 —— Year Month Day Amendment ____ Brief description of the diagram Brief description of the diagram: Figure 1 is a schematic sectional view of the conventional electric paddle display 10. FIG. 2 is a schematic cross-sectional view of a plasma display 40 of the present invention. Figure 3 is a schematic cross-sectional view taken along line 3-3 of Figure 2. FIGS. 4 (A) to 4 (D) are schematic diagrams of a manufacturing method of a preferred embodiment of the plasma display 40 of the present invention. Explanation of symbols: 10, 40 plasma display 12, 42 front substrate 14 v 44 rear substrate 16, 46 electrode pairs 18, 2 (l ·, 48 ~ 50 electrodes 22 light-shielding layers 18a, 20a, 48a, 5 0a sustain electrodes 18b , 20b, 48b, 50b Auxiliary electrode 24 Dielectric layer 26 Protective layer 28 Addressing electrode 30 Barrier wall 32 Phosphor layer 3 4 Discharge unit 52 Lattice barrier wall 52a, 52b, 52c Barrier wall unit 51 Barrier wall material layer 5 3 Dry Film Photoresist 54 Masking Layer 56 Gap
第16頁Page 16
578186 案號91135341 年 月 日 修正 圖式簡單說明 5 8a 紅色螢光體層 58b 綠色螢光體層 58c 藍色螢光體層 mn 第17頁578186 Case No. 91135341 Month-Day Amendment Simple illustration 5 8a Red phosphor layer 58b Green phosphor layer 58c Blue phosphor layer mn page 17
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