554212 A7 PA020160.TWP - 3/14554212 A7 PA020160.TWP-3/14
本發明係關於一種半透式液晶顯示器，特別是指一種 具有金屬南反射率及低阻抗之特性，並可突破傳統顯示器 之線距極限，有效降低導電率並提高開口率，達到高亮 5度、低耗電率、低Cr〇SS_talk等特性之半透式液晶顯示器。 【先前技術】 習用液晶顯示器係如我國公告第445388號專利案（下稱 引證案），如圖一所示，其主要構成特徵為：該引證案於 下基板19中，於玻璃28上鍍有介電材料27，並於其上鍍有 10包含銀為主之反射電極21以及電極保護絕緣膜；而其構成 上之主要缺點為：此設計係以反射式顯示器為主，若要製 作半透式之顯示器，則必須以控制膜厚的方式進行，以鋁 為反射電極之光學效益約為90%左右。而另一影響光效率 之開口率則受限於電極及電極間距黃光製程之極限而無法 15 突破。 關於之先前技術，請另參考我國公告第彻261號專利 案’如圖二所示’其主要構成特徵為：該引證案於下基板 10上有底層（滅趟1啊）卜其上依序有下層非晶型氧 化物電極2,銀反射電極3以及上層非晶型氧化物電極4; 20此設計利用非晶型氧化物電極將銀金屬反射電極加以包 附，目的在得到較紹更高之反射率且避免銀系薄膜之介面 移動問題發生；而其構成上之主要缺點 金屬電極完全包附在非晶型氧化物電極材料中，電極與電 極之間距取決於黃光製程之極限而難以圖破，使顯示器之The invention relates to a semi-transmissive liquid crystal display, in particular to a metal south reflectivity and low impedance characteristics, and can break through the line distance limit of traditional displays, effectively reduce the conductivity and increase the aperture ratio, and achieve 5 degrees of brightness. , Low power consumption, low CrSS_talk and other characteristics of transflective liquid crystal display. [Prior technology] The conventional LCD is the patent case of China's Announcement No. 445388 (hereinafter referred to as the "citation case"), as shown in Figure 1. Its main structural characteristics are: the citation case is plated on the lower substrate 19 and plated on the glass 28 The dielectric material 27 is plated with 10 reflective electrodes 21 including silver and an electrode protection insulating film. The main disadvantage of the composition is that this design is mainly a reflective display. The type of display must be performed in a way that controls the film thickness. The optical benefit of using aluminum as a reflective electrode is about 90%. The other aperture ratio that affects light efficiency is limited by the limit of the yellow light process of the electrode and the electrode distance, and cannot be broken. Regarding the prior art, please also refer to the Chinese Patent Publication No. 261 No. 261 'as shown in Figure 2', the main characteristics of which are: the cited case has a bottom layer on the lower substrate 10 (offline 1) There are lower layer amorphous oxide electrode 2, silver reflective electrode 3 and upper layer amorphous oxide electrode 4; 20 This design uses amorphous oxide electrode to encapsulate silver metal reflective electrode, the purpose is to get higher Reflectivity and avoid the problem of the interface movement of silver-based films; the main disadvantage of its structure is that the metal electrode is completely enclosed in the amorphous oxide electrode material, and the distance between the electrode and the electrode depends on the limit of the yellow light process and it is difficult Figure broken to make the display
-^--------t-------- (請先閲讀背面之注意事項再填寫本頁) 經濟部智慧財產局員工消費合作社印製-^ -------- t -------- (Please read the notes on the back before filling out this page) Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs
本紙張尺度適用中國國豕標準（CNS)A4規格（210 X 297公餐） 554212 A7 PA020160.TWP - 4/14This paper size applies to China National Standard (CNS) A4 (210 X 297 meals) 554212 A7 PA020160.TWP-4/14
ι·目前之半透反射膜其光學利用率約為92%，以鍍膜 5厚度控制穿透及反射率； 2.目前的電極僅為透明導電膜所構成，導電膜厚度 高，電阻值高，走線線寬必須大於5〇um以維持導通率，造 成顯示器狹緣化困難； 3·目如的電極線距因關係約為i〇um，使得開口率受黃 10光製程難以突破極限，開口率極限約為80%。 · 由此可見，上述習用結構及製程仍有諸多缺失，實非 一良善之設計者，而亟待加以改良。 本案發明人鑑於上述習用液晶顯示器所衍生的各項缺 點，乃亟思加以改良創新，並經多年苦心孤詣潛心研究 15後，終於成功研發完成本件半透式液晶顯示器。 【發明目的】 本發明之目的即在於提供一種半透式液晶顯示器，係 將金屬反射層製作成電極，將可有效降低透明導電膜導電 率不良之問題，並降低電極走線之寬度，且加入金屬導電 20膜以後之透明導電膜之膜厚得以降低，使得電阻值亦大幅 降低，加上走線線寬可以縮小，將可達成狹緣化目標。 本發明之次一目的係在於提供一種半透式液晶顯示 器，係合併製作金屬電極及透明導電膜，故兩者之面積比 即為穿透反射率之比，致使該圖形反射膜之半透式顯示器 -4- 本紙張尺度適用中國國家標準（CNS)A4規格（21Q χ挪公爱） (請先閲讀背面之注咅W事項再填寫本頁) t訂--------- 經濟部智慧財產局員工消費合作社印製 554212 A7 B7 五、發明說明（ PA020160.TWP - 5/14 其在反射區之反射膜光學利用率約為95%，在開口區域之 光學利用率則接近100%，故光學利用率較佳。 σσ本發明之另一目的係在於提供一種半透式液晶顯示 器，該電極結構在製作時顯示區之電極線距加寬，增加製 程之良率，且該電極鋪陳方式可克服製程及光罩之線距極 限，將顯示區之開口率增力口，使顯示時之亮度增加，藉由 上述結構及排列方式，則可突破光罩或製程之極限，可有 效提高開口率至約9〇%。 【技術内容】 10 15 20 裝 可達成上述發明目的之半透式液晶顯示器，包括有： -上側基板結構及-下側基板結構，並財間夾層部設置 有液晶，·該上側基板結構之組成，由上而下分別為：一偏 光片、一上透明基板、-透明導電膜及一配向膜；而該下 側基板結構之組成，由下而上分別為，·—偏光膜、一下透 明基板、-透明介電層、一金屬電極、一透明絕緣声、一 透明電極及-配向膜；本發明係於下側基板結構部分，將 金屬電極及透明電極部分形成_電極；藉由金屬電極及透 明電極為電極的方式，可以有效的增加走線的導電率使 走線之線寬可以大幅減小；以金屬電極搭配透明電極的方 式則可以增加絲洲率，並在加人-層介電材料之後， =以有效突破傳統光罩及製程上之極限，使開口率有效 【圖式簡單說明】 請參閱以下有關本發明一較佳實施例之詳細說明及其 本紙張尺度適用帽國家標準（CNS)A4規格（210 X 297公f 7" 554212 A7 B7 五、發明說明（ PA020160.TWP - 6/14 經濟部智慧財產局員工消費合作社印製 附圖，將可進-步瞭解本發明 有關該實施例之附圖為： n谷及其目的功效； 圖一為習知液晶顯示器之橫載面示意圖； 圖二為習知液晶顯示器之橫截面示意圖； 圖三為本發明半透式液晶顯示器之剖面視圖； 圖四為本發明半透式液晶顯示器下基板之上視圖； 圖五為本發明半透式液晶顯示器下基板顯示區内之剖 面結構示意圖；以及 圖六為本發明半透式液晶顯示器下基板顯示區外之剖 10 面結構示意圖。 【主要部分代表符號】 1底層 10下基板 19下基板 2下層非晶型氧化物電極 21反射電極 27介電材料 28玻璃 3銀反射電極 4上層非晶型氧化物電極 5半透式液晶顯示器 51上側基板結構 511偏光片 512上透明基板 5 (請先閱讀背面之注意事項再填寫本頁) 裝--------訂---------： -6 - 554212 PA020160.TWP - 7/14 A7 B7 五、發明說明（） 513透明導電膜 514配向膜 52下側基板結構 521偏光膜 522下透明基板 523透明介電層 524金屬電極 525透明絕緣層 526透明電極 527配向膜 53液晶 54顯示區 55非顯示區 【較佳實施例】 請參閱圖三，為本發明所提供之半透式液晶顯示器， 主要包括有：本發明之半透式液晶顯示器5，包括有：一 上側基板結構51及一下側基板結構52，並於中間夾層部設 5 置有液晶53 ;該上側基板結構51之組成，由上而下分別 為：一偏光片511、一上透明基板512、一透明導電膜513及 一配向膜514 ;而該下側基板結構52之組成，由下而上分 別為；一偏光膜521、一下透明基板522、一透明介電層 523、一金屬電極524、一透明絕緣層525、一透明電極526 10 及一配向膜527 ;其特徵係在於將金屬反射層先以黃光製 程加以圖形化，所製作之圖形區域在顯示區具有反射及導 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） (請先閱讀背面之注意事項再填寫本頁) --------訂---------* 經濟部智慧財產局員工消費合作社印製 554212 PA020160.TWP - 8/14 A7 B7 五、發明說明（） 電之功能，在非顯示區則有導電之功能；在顯示區内，透 明電極526與金屬電極524以相錯開之方式排列，分別負責 穿透及反射之功能；另外，將透明電極526與金屬電極524 以透明絕緣層525相隔；透明絕緣層525以shadow mask定義 5 形狀，僅發生在顯示區；在非顯示區，透明電極526及金 屬電極524相重疊並直接接觸；每一對透明電極526及金屬 電極524將在顯不區之兩端相接導通’以維持電極之電壓 並可避免斷線時之不良以提高良率。 具有上述特性結構之半透式液晶顯示器，製程如下： 10 製程一：於透明基板上首先濺鍍上介電層，採用Ti02 或Si02，膜厚小於700A ; 製程二：於介電層上濺鍍銀或鋁合金，膜厚大於 200A，再經黃光製程定義成金屬電極； 製程三：於金屬電極上鍍透明絕緣膜於顯示區，透明 15 絕緣層為一層或一層以上之介電材料，膜厚大於200A ; 製程四：於金屬、電極上濺鍍ITO透明導電膜，透明導 電膜之膜厚大於500A，面阻抗小於80Ω/□，再經黃光製程 定義成透明電極，完成下基板之電極製作； 製程五：將上方透明基板上濺鍍ITO透明導電膜，透 20 明導電膜之膜厚大於300A，面阻抗小於80Ω/□，再經黃光 製程定義成透明電極，完成上基板之電極製作； 製程六：將上、下基板塗部配向液製作成配向膜，並 以毛刷徐刷過表面配向； 製程七：將上下基板相組合，上、下基板之電極相對 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） —---------------訂--------- (請先閱讀背面之注意事項再填寫本頁) 經濟部智慧財產局員工消費合作社印製 554212 A7 PA020160.TWP - 9/14 B7 五、發明說明（） 朝内’中間夹以液晶’液晶之位相差值△ nd為700ηπι至 900nm之間； (請先閱讀背面之注意事項再填寫本頁) 製程八：將組合完成之顯示器上下面貼附偏光片，即 完成此半透式液晶顯不器。 5 上述黃光製程，包含有光阻塗佈、曝光、顯影、#刻 及剝膜製程等步驟之總稱。 請參閱圖四及圖五’為該半透式液晶顯不為、下基板之 上視圖及下基板顯示區内之剖面結構示意圖，由圖中可 知，在顯示區54内，透明電極526與金屬電極524係以相錯 10 開之方式排列，分別負責穿透及反射之功能，相較於金屬 半透膜，可提高光學利用率；且在顯示區54内，將透明電 極526與金屬電極524以透明絕緣層525相隔，使晝素之線距 可以克服製程及光罩之極限而不致造成短路；透明絕緣層 525以shadow mask定義形狀，僅發生在顯示區54。 15 請參閱圖四及圖六，為該半透式液晶顯示器下基板之 經濟部智慧財產局崑工消費合作社印製 上視圖及下基板顯示區外之剖面結構示意圖，由圖中可 知，在非顯示區55，透明電極526及金屬電極524相重疊並 直接接觸。每一對透明電極526及金屬電極524將在顯示區 54之兩端相接，以維持電極之電壓。 20 新一代之手機用彩色STN顯示器將朝向緣狹額之方 向，即在相同之顯示面積下，希望可以縮小顯示區到顯示 器邊緣的大小，以所小顯示器之外觀；在顯示特性方面則 要求整體光利用率之增加··故以金屬反射層為電極的方 式，可以有效的增加走線的導電率，使走線之線寬可以大 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） 554212ι · The current semi-transparent reflective film has an optical utilization rate of about 92%, and the transmission and reflectivity are controlled by the thickness of the coating 5; 2. The current electrode is only composed of a transparent conductive film, which has a high conductive film thickness and a high resistance value. The trace line width must be greater than 50um to maintain the continuity, which makes it difficult to narrow the display. 3. The apparent electrode line spacing is about 10um, which makes it difficult for the aperture ratio to exceed the limit by the yellow 10-light process. The rate limit is approximately 80%. · It can be seen that there are still many shortcomings in the above-mentioned custom structure and manufacturing process. It is not a good designer and needs to be improved. In view of the various shortcomings derived from the conventional liquid crystal display, the inventor of this case has been eager to improve and innovate. After years of painstaking research 15, he has successfully developed this translucent liquid crystal display. [Objective of the Invention] The purpose of the present invention is to provide a semi-transmissive liquid crystal display. The metal reflective layer is made into an electrode, which can effectively reduce the problem of poor conductivity of the transparent conductive film, and reduce the width of the electrode wiring. After the metal conductive 20 film, the thickness of the transparent conductive film can be reduced, so that the resistance value is also greatly reduced. In addition, the trace line width can be reduced, and the narrowing target can be achieved. A second objective of the present invention is to provide a transflective liquid crystal display, which is a combination of metal electrodes and transparent conductive films, so the area ratio of the two is the ratio of the transmissive reflectance, resulting in the transflective type of the graphic reflective film. Display -4- This paper size is in accordance with Chinese National Standard (CNS) A4 (21Q χ Norwegian public love) (please read the note on the back 咅 W before filling out this page) t-order ------- economic Printed by the Ministry of Intellectual Property Bureau's Consumer Cooperatives 554212 A7 B7 V. Description of the Invention (PA020160.TWP-5/14 The optical utilization rate of the reflective film in the reflection area is about 95%, and the optical utilization rate in the opening area is close to 100% Therefore, the optical utilization rate is better. Σσ Another object of the present invention is to provide a semi-transmissive liquid crystal display. The electrode structure of the electrode structure in the display area is widened during fabrication to increase the yield of the process. The method can overcome the limit of the line spacing of the process and the mask, increase the opening ratio of the display area, and increase the brightness during display. With the above structure and arrangement, it can break the limit of the mask or process and effectively improve Opening rate To about 90%. [Technical content] 10 15 20 The semi-transmissive liquid crystal display which can achieve the above-mentioned object of the invention includes:-an upper substrate structure and-a lower substrate structure, and a liquid crystal interlayer is provided in the interlayer, · The composition of the upper substrate structure is, from top to bottom, respectively: a polarizer, an upper transparent substrate, a transparent conductive film, and an alignment film; and the composition of the lower substrate structure is from bottom to top, respectively, ·· Polarizing film, lower transparent substrate,-transparent dielectric layer, a metal electrode, a transparent insulating sound, a transparent electrode, and-an alignment film; the invention is based on the structure of the lower substrate, and the metal electrode and the transparent electrode are formed into an electrode ; By using the metal electrode and the transparent electrode as the electrode, the conductivity of the wiring can be effectively increased so that the width of the wiring can be greatly reduced; the method of using the metal electrode with the transparent electrode can increase the silk rate, and After adding people-layer dielectric materials, = to effectively break the limits of traditional photomasks and processes to make the aperture ratio effective [Simplified illustration of the figure] Please refer to the following for a preferred embodiment of the present invention Detailed description and this paper size Applicable to National Cap (CNS) A4 specifications (210 X 297 male f 7 " 554212 A7 B7 V. Description of the invention (PA020160.TWP-6/14 printed by the Consumers' Cooperative of Intellectual Property Bureau of the Ministry of Economic Affairs) Figures which will further understand the embodiment of the present invention are as follows: The n valley and its purpose and efficacy; Figure 1 is a schematic cross-sectional view of a conventional liquid crystal display; Figure 2 is a schematic cross-sectional view of a conventional liquid crystal display Figure 3 is a cross-sectional view of a semi-transmissive liquid crystal display of the present invention; Figure 4 is a top view of a lower substrate of the semi-transparent liquid crystal display of the present invention; And FIG. 6 is a schematic cross-sectional view of a 10-plane structure outside the display area of the lower substrate of the transflective liquid crystal display of the present invention. [Representative symbols of main parts] 1 bottom layer 10 lower substrate 19 lower substrate 2 lower amorphous oxide electrode 21 reflective electrode 27 dielectric material 28 glass 3 silver reflective electrode 4 upper amorphous oxide electrode 5 transflective liquid crystal display 51 Upper substrate structure 511 polarizer 512 on transparent substrate 5 (Please read the precautions on the back before filling this page) Installation -------- Order ---------: -6-554212 PA020160. TWP-7/14 A7 B7 V. Explanation of the invention (513) Transparent conductive film 514 Alignment film 52 Lower substrate structure 521 Polarizing film 522 Under transparent substrate 523 Transparent dielectric layer 524 Metal electrode 525 Transparent insulation layer 526 Transparent electrode 527 Alignment film 53 LCD 54 display area 55 non-display area [preferred embodiment] Please refer to FIG. 3, which is a semi-transmissive liquid crystal display provided by the present invention, mainly including: the semi-transparent liquid crystal display 5 of the present invention, including: The upper substrate structure 51 and the lower substrate structure 52 are provided with 5 liquid crystals 53 in the intermediate sandwich portion. The composition of the upper substrate structure 51 from top to bottom is: a polarizer 511, an upper transparent substrate 512, a Transparent conductive film 513 and a pair The polarizing film 521, the lower transparent substrate 522, a transparent dielectric layer 523, a metal electrode 524, a transparent insulating layer 525, a The transparent electrode 526 10 and an alignment film 527 are characterized in that the metal reflective layer is first patterned by a yellow light process, and the patterned area is reflected in the display area and guided. The paper size is applicable to Chinese National Standard (CNS) A4. Specifications (210 X 297 mm) (Please read the precautions on the back before filling out this page) -------- Order --------- * Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs 554212 PA020160.TWP-8/14 A7 B7 V. Description of the invention () The function of electricity is conductive in the non-display area; in the display area, the transparent electrode 526 and the metal electrode 524 are arranged in a staggered manner, respectively. Responsible for transmission and reflection; In addition, the transparent electrode 526 and the metal electrode 524 are separated by a transparent insulating layer 525; the transparent insulating layer 525 is defined by a shadow mask 5 shape, which occurs only in the display area; in the non-display area, the transparent electrode 526 And metal electrode 524 And directly contacts; each transparent electrode 526 and metal electrode 524 in contact with the conducting 'to maintain the voltage electrodes and to avoid the failure to improve the yield when disconnection does not significantly across the zone. A semi-transmissive liquid crystal display with the above-mentioned characteristic structure has the following processes: 10 Process 1: Firstly, a dielectric layer is sputtered on a transparent substrate, and the film thickness is less than 700A using Ti02 or Si02; Process 2: Sputtering on the dielectric layer Silver or aluminum alloy, with a film thickness greater than 200A, and then defined as a metal electrode through the yellow light process; Process 3: Plate a transparent insulating film on the metal electrode in the display area, and the transparent 15 insulating layer is one or more dielectric materials. Thicker than 200A; Process 4: Sputtering ITO transparent conductive film on the metal and electrode, the thickness of the transparent conductive film is greater than 500A, the surface impedance is less than 80Ω / □, and then defined as a transparent electrode through the yellow light process to complete the electrode of the lower substrate Production; Process 5: Sputtering ITO transparent conductive film on the transparent substrate above. The transparent conductive film has a thickness of more than 300A and a surface resistance of less than 80Ω / □. It is then defined as a transparent electrode through the yellow light process to complete the electrode on the upper substrate. Production process six: the alignment liquid of the upper and lower substrate coating parts is made into an alignment film, and the surface alignment is gradually brushed with a brush; process seven: the upper and lower substrates are combined, and the electricity of the upper and lower substrates is combined. Relative to the size of this paper, the Chinese National Standard (CNS) A4 specification (210 X 297 mm) is applicable. ----------------- Order --------- (Please read first Note on the back, please fill out this page again) Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 554212 A7 PA020160.TWP-9/14 B7 V. Description of the invention It is between 700nm and 900nm; (Please read the precautions on the back before filling this page) Process 8: Attach a polarizer to the top and bottom of the completed display to complete this transflective LCD display. 5 The above-mentioned yellow light manufacturing process includes a general term for steps such as photoresist coating, exposure, development, # engraving, and peeling processes. Please refer to FIG. 4 and FIG. 5 for schematic diagrams of the semi-transmissive liquid crystal display, the upper view of the lower substrate, and the cross-sectional structure of the lower substrate display area. As can be seen from the figure, in the display area 54, the transparent electrode 526 and the metal The electrodes 524 are arranged in a staggered manner, and are respectively responsible for the functions of transmission and reflection. Compared with a metal semi-permeable film, it can improve the optical utilization rate; and in the display area 54, the transparent electrode 526 and the metal electrode 524 The transparent insulating layer 525 is separated, so that the line spacing of the day element can overcome the limits of the process and the photomask without causing a short circuit; the transparent insulating layer 525 is defined in the shape of a shadow mask and occurs only in the display area 54. 15 Please refer to Figure 4 and Figure 6 for the upper substrate of the semi-transparent liquid crystal display. Printed on the top view of the Intellectual Property Bureau of the Ministry of Economic Affairs of the Kunming Consumer Cooperative and the schematic diagram of the cross-section structure outside the display area of the lower substrate. The display area 55, the transparent electrode 526, and the metal electrode 524 overlap and directly contact each other. Each pair of transparent electrodes 526 and metal electrodes 524 will be connected at both ends of the display area 54 to maintain the voltage of the electrodes. 20 The new generation of color STN displays for mobile phones will be in the direction of narrow margins, that is, under the same display area, it is hoped that the size of the display area to the edge of the display can be reduced to the appearance of the smaller display; the overall display characteristics require the overall Increased light utilization rate. Therefore, the use of a metal reflective layer as an electrode can effectively increase the conductivity of the wiring, so that the width of the wiring can be large. The paper size is applicable to the Chinese National Standard (CNS) A4 specification (210 X 297 mm) 554212
554212 A7 PA02Q160 TWP - 11/14 五、發明說明（） 綜上所述，本案不但在技術思想上確屬創新，並能較 習用物品增進上述多項功效，應已充分符合新穎性及進步 發Γ利要件，妥依法提出申請，懇請貴局核 准本件發明專利申請案，以勵發 1’至感德便。 -----------裝--------訂---------線^ (請先閱讀t*面之注意事項再填寫本頁) 經濟部智慧財產局員工消費合作社印製 規 4 )Α S) Ν (C 準 標 家 國 國 中 用 適 度 尺 張 紙 本 11 1Χ 297 X 10554212 A7 PA02Q160 TWP-11/14 V. Description of the invention () In summary, this case is not only technically innovative, but also enhances the above-mentioned multiple effects over conventional items. It should have fully met the novelty and progress. Requirements, properly submit the application in accordance with the law, and urge your office to approve this application for an invention patent in order to stimulate 1 'to the utmost. ----------- install -------- order --------- line ^ (Please read the notes on t * face before filling out this page) Ministry of Economy Wisdom Printing Regulations for Employees' Cooperatives of the Property Bureau 4) Α S) Ν (C quasi-standard home country middle school with moderate ruled paper 11 1 × 297 X 10