--—--- 五、發明說明（1) 具有廣視f係T關於一種廣視角液晶顯示器，尤有關於一種 器有廣視角之m主動矩陣Uctive matrix)型式液晶顯^ 諸多= =陰極射線管（CRT)顯示器’雖然有 點，即复招s t =積小、重量輕等，但卻有一明顯的缺 式各樣的窄彻顯示器者。為改善此缺點，有各 IPS( ιη-ρ丨日日不益設計被開發出來，例如， 於：相較於aH=ng)模式。然而，1ps模式之缺點在 透率甚低。由於這個/胃npds5uc)模式’其光學穿 應用:筆記型電腦並不適合。換式受限於桌上型電腦之 改變ί:ΐίiJ::J之視角’另-種經常採用的方式為 種排列方向，|4 @ ^ 排列方向，使得液晶分子具有多 舉例”二=?顯示器之視角。 之斷面示“，==示第—種習知的液晶顯示器 Ϊ1;下破璃基』像= 犬起部6及配向層7算。岡以主—、/、通電極4、液晶層5、 之間未外加電壓、或外二之電：:素電極3與共通電極4 層5中的液晶分子係呈嚴一 ι超過某臨界值時，液晶 mRr, φ 矛、早一方向排列（圖中的i 、 某臨ί值的、ϊ; :ί素J 與共通電極4之間外加一個超過 之上的大起部β之影響，排列方 第5頁 五、發明說明（2) ^ ^ 這疋由於突起部6附近的液晶分子之排列方向 ^ 、成乎垂直於配向層7，結果液晶分子具有多種排列 D ，液晶顯示器之視角也因而加大。 ，7A及圖7B表示第二種習知的液晶顯示器之斷面示意 公司所開發，包括：上玻璃基板1、下玻璃基板 中，’、電極3、共通電極4、液晶層5及配向層7等，其 示=於凹槽9之存在，共通電極4並不連續。如圖μ所 =厭Ϊ 1象素電極3與共通電極4之間未外加電壓、或外加之 =未超過某臨界值時，液晶層5中的液晶分子呈單一方 電；似於圖6Α所示。相反地，當像素電極3與共通 部份的广曰 個超過某臨界值的電壓時，液晶層5中- 不:由於受到共通電極4之不連續處所引起的 ^ i ί νπΛ ^ ^ ^ ^ ¥, # ^ 也处m由液日日为子之排列方向會垂直於電場方向之 大液：ΐ同ΐ造成液晶分子具有多種排列方向，而達成擴 久液日日顯不态之視角的效果。 圖8表示第三種習知的液晶顯示器之 广=公司所開發，包括：上玻璃基板1 τ·: 等。此種^3姑共通電極4、液晶層5、突起部6及配向層7 寻此種白知技術可視為第一種習知技術邀 =結合，換言之，利用突起部6的構造與、第-二^ 2 ^起的不均勾電場（如箭頭所示）效應'、電 子具有多種排列方向，藉此達成擴 而控制液曰" 果。 C Α，夜曰曰顯不器視角的效------ 5. Description of the invention (1) With wide-view f-system T about a wide-viewing angle liquid crystal display, especially about a m-active matrix LCD with wide-viewing angle type ^ Many = = cathode ray Tube (CRT) display 'Although it is a bit complicated, st = small product size, light weight, etc., but there is a clear lack of various narrow and thorough display. In order to improve this shortcoming, various IPS (ιη-ρ 丨 daily unfavorable designs have been developed, for example, compared to: aH = ng) mode. However, the disadvantage of the 1ps mode is very low transmittance. Due to this / stomach mode (npds5uc) mode ’its optical wear application: laptops are not suitable. The conversion is limited by the change of the desktop computer. Ϊ́: ίίiJ :: J's perspective 'Another-a frequently used method is the arrangement direction, | 4 @ ^ arrangement direction, so that the liquid crystal molecules have many examples "two =? Display The angle of view. The cross section shows ", == shows the first kind of conventional liquid crystal display Ϊ1; the lower broken glass base" image = dog rising 6 and alignment layer 7 count. The main electrode —, /, the through electrode 4, the liquid crystal layer 5, no voltage is applied between them, or the second electric voltage :: the liquid crystal molecules in the element electrode 3 and the common electrode 4 layer 5 are strictly exceeding a certain threshold At the time, the liquid crystal mRr, φ spear, are arranged in the earlier direction (i in the figure, a certain value of 图 中, ί;: 素素 J and the common electrode 4 plus an influence of a large starting portion β above, arranged 5. Explanation of the invention (2) ^ ^ This is due to the arrangement direction of the liquid crystal molecules near the protrusion 6 ^, which is perpendicular to the alignment layer 7. As a result, the liquid crystal molecules have multiple arrangements D, and the viewing angle of the liquid crystal display is thus 7A and FIG. 7B show the cross-section of the second conventional liquid crystal display, which is developed by the company, and includes: upper glass substrate 1, lower glass substrate, ', electrode 3, common electrode 4, liquid crystal layer 5 and The alignment layer 7 and the like are shown in the presence of the groove 9 and the common electrode 4 is not continuous. As shown in FIG. Μ = hate 1 no voltage is applied between the pixel electrode 3 and the common electrode 4 or it is not exceeded At a certain critical value, the liquid crystal molecules in the liquid crystal layer 5 have a single square electricity; similar to that shown in FIG. 6A. Ground, when the pixel electrode 3 and the common part have a voltage exceeding a certain threshold, in the liquid crystal layer 5-no: caused by the discontinuity of the common electrode 4 ^ i ί νπΛ ^ ^ ^ ^ ¥, # ^ It is also a large liquid whose arrangement direction is perpendicular to the direction of the electric field: the same liquid crystal molecules have multiple alignment directions to achieve the effect of extending the viewing angle of the liquid. 8 indicates the third type of conventional LCD display = developed by the company, including: upper glass substrate 1 τ ·: etc. This type of common electrode 4, liquid crystal layer 5, protrusion 6 and alignment layer 7 find this This kind of white-knowledge technology can be regarded as the first conventional technology. In other words, using the structure of the protrusion 6 and the uneven electric field (shown by the arrow) effect from the first -2 ^ 2 ^, the electron has a variety of Arrange the direction to achieve the effect of expanding the control fluid. C Α, night vision effect
第6頁 五、發明說明（3) 穿▲上述第一種習知技術與第三種習知技術中，炎7 近的液晶分子之排列方向，構成突起41Ϊ制 枓品滿足某些特性，例如其電阻率、介電°之）丨電 '均有限制。而第二種習知技術中，由於需二及形狀 上挖設凹槽9，因此其製程較為麻煩。、 、通電極 效杲 有鑑於此，本發明的目的在於提供一種廣 :、盗，其藉由簡單的製程在像素電電，液日曰顯 並在該突起部上設置控制電極戈；；突 控制電極，進而控制該突起部附近之液晶分=位 D ，其優點在於構成該突起部的介 、列 ”…料，並利用像素電極的特 子之排列方Ϊ。八制位在像素電極之邊緣附近的液晶分 例，【1含表示本發明之廣視角液晶顯示器的第—較佳實施 上玻璃基板1 ; 下玻璃基板2 ; 液晶層5，夾於上玻璃基板丨與下玻璃基板2 像素電極3，位於液晶層5之上玻璃基板丨側；B ， =通電極4，位於液晶層5之下玻璃基板2侧| 突起部6，設置於像素電極3上，由 控制電極8,設置於突起部6上，與像= 構成成電絕5. Description of the invention (3) Wear ▲ In the above-mentioned first and third conventional techniques, the alignment direction of the liquid crystal molecules near Yan 7 constitutes protrusions 41. The fabricated products satisfy certain characteristics, such as Its resistivity and dielectric degree are limited. In the second conventional technique, since the groove 9 needs to be dug in the shape, the manufacturing process is troublesome. In view of this, the purpose of the present invention is to provide a wide range: a thief, which adopts a simple process to display electricity on the pixel, display the liquid day and set a control electrode on the protrusion; Electrode, and then control the liquid crystal near the protrusions = bit D, which has the advantage of forming the protrusions of the intermediary, the column "... material, and the use of pixel electrode features to arrange the squares. Eight positions on the edge of the pixel electrode Nearby liquid crystal sub-examples, [1 contains the first preferred embodiment of the wide viewing angle liquid crystal display of the present invention. Upper glass substrate 1; lower glass substrate 2; liquid crystal layer 5, sandwiched between upper glass substrate 丨 and lower glass substrate 2 pixel electrodes 3, located on the side of the glass substrate 5 above the liquid crystal layer 5; B, = through electrode 4, located on the side of the glass substrate 2 below the liquid crystal layer 5 | the protrusion 6 is provided on the pixel electrode 3, and the control electrode 8 is provided on the protrusion Part 6 is electrically isolated from image =
第7頁 五、發明說明（4) 緣，· 立 配向層7，覆蓋共通電極4，並覆蓋像素電極3、突起 口P6及、控制電極8所共同構成的面，用以使液晶分子在表面 具有定向的排列。 雷朽f//起部6、配合加在控制電極8上之電位、及像素 λ緣所引起的不均勻電場效應(如箭頭所示)，而、 “之：：。内之液晶分子具有多種排列方向，俾達成廣 例，Γ含表示本發明之廣視角液晶顯示器的第二較佳實施 i破璃基板1 ; 下破璃基板2 ; ’夾於上破璃基板1與下玻璃基板2之間； 2:f3，位於液晶層5之上玻璃基板“則； :起；二=晶層5之下玻璃基板2側； 域内(圖中之兩條虛線；對：：：素電極3的區 控制電極8，設晉ϋ 域）’由介電材料構成； 緣； 犬起部6上，與像素電極3成電絕 配向層7，麗芸你i 部6及控制電極8所共’構電極^ ’並覆I共通電極4、突起 具有定向的排列。構成的面’用以使液晶分子在表面 猎由大起部g、g 電極3之邊緣所引起的：控制電極8上之電位、及 ^ (的不均勻電場效應（如箭頭所示）冢而素 509810 五、發明說明（5) 控制液晶層5内之液晶分子具有多種排列方向，俾達成廣 視角之目的。 以下藉由圖式配合較佳實施例以更進一步地說明如何 實施本發明。 圖式之簡單說明 圖1表示根據本發明之廣視角液晶顯示器的第一較佳 實施例的斷面示意圖； 圖2表示根據本發明之廣視角液晶顯示器的第二較佳 實施例的斷面示意圖； 圖3表示上述第一較佳實施例中，突起部與控制電極 如何設置於像素電極上的半導體結構； 圖4表示習知之具有突起部的液晶顯示器之半導體結 構； 圖5表示上述第一較佳實施例中，突起部與控制電極 如何設置於像素電極上的另一種半導體結構； 圖6A及圖6B表示第一種習知的液晶顯示器之斷面示意 圖， 圖7A及圖7B表示第二種習知的液晶顯示器之斷面示意 圖； 圖8表示第三種習知的液晶顯示器之斷面示意圖。 符號說明 1 上玻璃基板 2 下玻璃基板 3 像素電極Fifth, description of the invention (4) Edge, · The vertical alignment layer 7 covers the common electrode 4 and covers the surface formed by the pixel electrode 3, the protruding port P6, and the control electrode 8 so that liquid crystal molecules are on the surface. Has a directional arrangement. Thunder f // starting part 6, cooperate with the potential applied to the control electrode 8, and the non-uniform electric field effect caused by the edge of the pixel λ (as shown by the arrow). The arrangement direction is as follows: Γ contains the second preferred embodiment of the wide viewing angle liquid crystal display of the present invention. I. Break glass substrate 1; Bottom break glass substrate 2; 'Clamped between the upper break glass substrate 1 and the lower glass substrate 2. 2: f3, located on the glass substrate 5 above the liquid crystal layer "then ;: from; two = side of the glass substrate 2 below the crystal layer 5; within the domain (two dashed lines in the figure; pair :: area of the prime electrode 3) The control electrode 8 is provided with a dielectric material. The edge is formed of a dielectric material. The edge 6 is an electrically insulating alignment layer 7 with the pixel electrode 3, and the structure of the electrode 6 and the control electrode 8 is a common electrode. ^ 'Commonly covered I common electrode 4, the protrusions have an aligned arrangement. The constructed surface is used to cause the liquid crystal molecules to hunt on the surface caused by the edges of the large raised portions g, g electrode 3: the potential on the control electrode 8 and the non-uniform electric field effect (shown by the arrow) Element 509810 V. Description of the invention (5) Control the liquid crystal molecules in the liquid crystal layer 5 to have multiple alignment directions, so as to achieve the purpose of wide viewing angle. The following is a description of how to implement the present invention by combining the preferred embodiments with drawings. Brief description of the formula FIG. 1 is a schematic sectional view of a first preferred embodiment of a wide viewing angle liquid crystal display according to the present invention; FIG. 2 is a schematic sectional view of a second preferred embodiment of a wide viewing angle liquid crystal display according to the present invention; FIG. 3 shows the semiconductor structure of how the protruding portion and the control electrode are arranged on the pixel electrode in the first preferred embodiment; FIG. 4 shows the semiconductor structure of a conventional liquid crystal display having a protruding portion; In the embodiment, another semiconductor structure of how the protruding portion and the control electrode are disposed on the pixel electrode; FIG. 6A and FIG. 6B show the first conventional liquid crystal display. 7A and 7B are schematic cross-sectional views of a second conventional liquid crystal display; and FIG. 8 is a schematic cross-sectional view of a third conventional liquid crystal display. Symbol Description 1 Upper glass substrate 2 Lower glass substrate 3 Pixel electrode
第9頁 509810 五、發明說明（6) " " 一 — ' 4 共通電極 5 液晶層 6 突起部 7 配向層 8 控制電極 A 絕緣層 B 傳導層 較 述Page 9 509810 V. Explanation of the invention (6) " " One-'4 Common electrode 5 Liquid crystal layer 6 Protrusion 7 Alignment layer 8 Control electrode A Insulating layer B Conductive layer
圖3表示上述第一較佳實施例中，突立 如何設置於像素電極上的半導體結構斷面°卩與控制電極 用以驅動一像素之非晶矽薄膜電晶體。性=。左半部表示 層A係作為突起部，而傳導層6係作為控右半部，絕緣 與像素電極彼此絕緣。 】电極’傳導層B 圖3所示的半導體結構需要6道光罩才 =非晶矽薄膜電晶體部份僅需要5道-’而左半 係由於需要多1道光罩以沉積傳導層B。 p了凡成，此 構，ί 4中表不右白半知立之具有突起部的液晶顯示器之半導體結 -個儲存電:金屬2、金屬1與間極絕緣層共同構成 體結構之製程略加体\age capacit〇將圖4所示的半導 構，此種半導=;;*即可獲得圖5所示的半導體結 如下：ΙΤ0層C可;;：二：所需的突起部與控制電極，說明 閉極絕緣層、全屬么控门制電極，其下方之護層、金屬2、 構具有兩種優點屬3同構成突起部。圖5所示的半導體結 (1)具有金屬2、金屬1與閘極絕緣層共Fig. 3 shows how the semiconductor structure cross section provided on the pixel electrode and the control electrode are used to drive an amorphous silicon thin film transistor of a pixel in the first preferred embodiment. Sex =. The left half indicates that layer A is used as the protrusion, and the conductive layer 6 is used as the right half, and the insulation and the pixel electrode are insulated from each other. ] Electrode ’conductive layer B The semiconductor structure shown in FIG. 3 requires 6 photomasks = the amorphous silicon thin-film transistor requires only 5 -'s, while the left half requires an additional photomask to deposit the conductive layer B. The structure of the semiconductor junction of the liquid crystal display with a protruding portion shown in the right and the bottom half of the structure shown in Figure 4 is a semi-structured semiconductor junction-a stored electricity: metal 2, metal 1 and the interlayer insulation layer. The body \ age capacit〇 will be the semiconductor structure shown in Figure 4, this type of semiconductor = ;; * can obtain the semiconductor junction shown in Figure 5 as follows: ITO layer C can ;; two: the required protrusions and The control electrode is described as a closed-pole insulating layer, which is all a gate electrode. The protective layer, metal 2 and structure below it have two advantages. The semiconductor junction shown in Fig. 5 (1) has metal 2, metal 1 and the gate insulating layer in common.
第10頁 509810 五、發明說明（7) 同構成的儲存電容器；（2 )所需的光罩數目僅為5，較之圖 3所示的半導體結構（需要的光罩數目為6 )，可更進一步地 節省製造成本。 上述兩種較佳實施例中，用以驅動各像素的切換元件 為薄膜電晶體。 上述兩種較佳實施例中，加在控制電極之電位同於共 通電極之電位。 在發明詳細說明中所提出之具體的實施態樣或實施例 僅為了易於說明本發明之技術内容，而並非將本發明狹義 地限制於該實施例，在不超出本發明之精神及以下之申請 專利範圍之情況，可作種種變化實施。Page 10 509810 V. Description of the invention (7) Storage capacitors of the same structure; (2) The number of photomasks required is only 5, compared with the semiconductor structure shown in Figure 3 (the number of photomasks required is 6), Further save manufacturing costs. In the above two preferred embodiments, the switching element for driving each pixel is a thin film transistor. In the above two preferred embodiments, the potential applied to the control electrode is the same as the potential of the common electrode. The specific implementation modes or embodiments proposed in the detailed description of the invention are only for easy explanation of the technical content of the present invention, and are not intended to limit the present invention to the embodiment in a narrow sense. The scope of patents can be implemented in various ways.
第11頁Page 11