1284769 九、發明說明： 【發明所屬之技術領域】 尤其係關於一種半 本發明係關於一種液晶顯示裝置 穿透半反射式液晶顯示裝置。 【先前技術】 、體積輕薄短小及耗電 且隨著相關技術之成熟 液晶顯示裝置因具有低輻射性 低等特點，故於使用上日漸廣泛， 及創新，其種類亦日益繁多。1284769 IX. Description of the Invention: [Technical Field of the Invention] In particular, the present invention relates to a liquid crystal display device penetrating transflective liquid crystal display device. [Prior Art], small and light in size and power consumption, and with the maturity of related technologies, liquid crystal display devices are increasingly widely used and innovative, and their types are becoming more and more diverse due to their low radiation and low characteristics.
根據液晶顯示裝置所利用光源之不同，可分為穿透式 液晶顯示裝置與反射式液晶顯示裝置。穿透式液晶顯示裝 置須於液晶顯示面板背面設置一背光源以實現圖像顯示， 惟’背光源之耗能約佔整個穿透式液晶顯示裝置耗能的一 半，故穿透式液晶顯示裝置之耗能較A。反射式液晶顯示 裝置能解決穿透式液晶顯示裝置耗能大之問題，惟於光線According to the light source used in the liquid crystal display device, it can be classified into a transmissive liquid crystal display device and a reflective liquid crystal display device. The transmissive liquid crystal display device is provided with a backlight on the back of the liquid crystal display panel to realize image display, but the energy consumption of the backlight accounts for about half of the energy consumption of the entire transmissive liquid crystal display device, so the transmissive liquid crystal display device The energy consumption is better than A. The reflective liquid crystal display device can solve the problem of large energy consumption of the transmissive liquid crystal display device, but only the light
微弱之環境下録實現圖像顯示。半穿透半反射式液晶顯 示裝置能解決以上之問題。 凊參閱第一圖，係2002年12月1〇曰公告之美國專利 第6,493,051號所揭示之半穿透半反射式液晶顯示裝置，該 液晶顯示裝置1包括二相對之透明上基板1〇與下基板2〇、 一液晶層30夾於該上基板10與下基板2〇之間、一背光源 裝置40设置於下基板2〇相對上基板1 〇之另一側。 一透明公共電極11設置於該上基板10之内表面，一 上延遲片14及一上偏光板15依次設置於該上基板1〇之外 側表面。一像素電極21設置於該下基板20之内侧表面， 6 1284769 八中該像素電極21包括穿透電極22與反射電極23，一下’ 延遲片24、一下偏光板25及一反射膜26依次設置於該下 基板20之外側表面，其中該反射膜26對應像素電極21之 穿透電極22區域設有一開口區域27。 該液晶顯示裝置1實現顯示工作時，背光源裝置4〇發 出的一部分光41經過開口區域27、穿透電極22和液晶層 30出射，實現穿透顯示；外界光（圖未示）從上基板1〇入射 至反射電極23被反射，再經過液晶層3〇出射，實現反射 顯示。 惟’該液晶顯示裝置i實現顯示工作時， 4〇發出的另一部分光42入射至反射電極23或反射膜<26 被該反射電極23或反射膜26上反射至背光源裝置4〇， 不能實現穿透顯示，因此該背光源裝置4〇的另一部分光42 被耗費，該液晶顯示裝置！之光利用率不高；該液晶顯示 裝置1為了光的反射，於下基板2G之外側表面使用反射膜 26及於下基板20之内側表面反射電極幻，因此使該液晶 顯不裝置1結構複雜；該像素電極21之穿透電極22與反 射電極23之材料不同，需不同製程條件下於不同製程步驟 形成於下基板2G上，因此使該液晶顯示袭置i製程複雜。 3於此，提供一種光利用率高、結構簡單及製程簡 早之半穿透半反射式液晶顯示裝置實為必需。 【發明内容】 j明之目的在於提供一種光利用率高、結構簡單及 襄程簡單之半穿透半反射式液晶顯示裝置。 1284769 〜本發明之另-目的在於提供另—種光利用率高、結構 間單及製程簡單之半穿透半反射式液晶顯示裝置。 · 本發明提供-種半穿透半反射式液晶顯示裝置包括二 相對叹置之第一基板與第二基板、一夾於該第一基板與該 第一基板之液晶層，一公共電極設置於第一基板之内表 ^像素電極’①置於第二基板之内表©，該像素電極 係由透明電極所組成，#中第二基板之外表面設置有一反 射元件，該反射元件上設置一開口。 一本發明提供另一種半穿透半反射式液晶顯示裝置包括 ，相對設置之第-基板與第二基板、—炎於該第—基板與 邊第一基板之液晶層，一公共電極設置於第一基板之内表 面，一像素電極，設置於第二基板之内表面，該像素電極 係由透明電極所組成，#中第二基板之外表面設置有一偏 光半反射元件。 與先前技術相比，本發明之半穿透半反射式液晶顯示 裝置具有如下優點：由於液晶顯示裝置之背光源裝置發出 的大部分光可經過反射元件之開口或者偏光半反射元件， 均可用於穿透顯示，因此該液晶顯示裝置之光利用率高； 該液日日顯不裝置僅搭配使用透明像素電極與反射元件或偏 光半反射元件，以實現反射顯示，因此使該液晶顯示裝置 結構簡單，該透明像素電極使用相同之透明材料，可於相 同製程條件下一次形成於基板之上，因此使該液晶顯示裝 置製程簡單。 【實施方式】 1284769 請參閱第二圖，係本發明半穿透半反射式液晶顯示襄 置第一實施方式之結構示意圖。該液晶顯示裝置100包括 二相對之透明上基板110與下基板120, 一液晶層130夾於 該上基板110與下基板120之間，一背光源裝置140設置 於下基板120相對上基板110之另一側。 一透明公共電極111設置於該上基板110之内表面， _ 一上延遲片114及一上偏光板115依次設置於該上基板110 之外側表面。一像素電極121設置於該下基板120之内側 表面，一下延遲片124、一反射膜126及一下偏光板125 ® 依次設置於該下基板120之外侧表面，其中該反射膜126 設有一開口區域127。 該公共電極111與像素電極121之材料為氧化銦錫 (Indium Tin Oxide，ITO)或氧化銦鋅（Indium Zinc Oxide， IZO);該上延遲片114與下延遲片124為四分之一波片； 該反射膜126為介電反射膜或高反射金屬膜，介電反射膜 可使用氧化銦錫、二氧化鈦（Ti〇2)依次交錯壓著而製成之薄 拳· 膜，高反射金屬膜可使用金屬鋁；該反射膜126之開口區 域127可使用透明樹脂材料填充。 該液晶顯示裝置100實現顯示工作時，背光源裝置140 - 發出的大部分光141、142經過開口區域127、像素電極121 . 和液晶層130出射，實現穿透顯示；外界光（圖未示）從上基 板110入射至反射膜126被反射，再經過液晶層130出射， 實現反射顯示。 由於液晶顯示裝置100之背光源裝置140發出的大部 9 1284769 分光141、142均可用於穿透顯示，因此該液晶顯示裝置1〇6 ， 之光利用率高；且該液晶顯示裝置100僅搭配使用透明像 素電極121與反射膜126，以實現反射顯示，因此使該液晶 顯不裝置100結構簡早，該透明像素電極121使用相同之 透明材料，可於相同製程條件下一次形成於下基板；[20之 上’因此使該液晶顯不裝置100製程簡單。 请參閱第二圖’係本發明半穿透半反射式液晶顯示裝 置第二實施方式之結構示意圖。該液晶顯示裝置200包括 二相對之透明上基板210與下基板220, 一液晶層230夾於鲁 該上基板210與下基板220之間，一背光源裝置240設置 於下基板220相對上基板210之另一側。 一透明公共電極211設置於該上基板210之内表面， 一上延遲片214及一上偏光板215依次設置於該上基板210 之外侧表面。一像素電極221設置於該下基板220之内側 表面，一反射延遲膜226及一下偏光板225依次設置於該 下基板220之外侧表面，其中該反射延遲膜226設有一開 馨 口區域227。 該反射延遲膜226包括一金屬膜和延遲層，該延遲層 可通過奈米微影製程或者自我組成（Self Assembly)奈米技 -術形成於金屬膜表面，該延遲層可對光有四分之一波長之 -延遲。該反射延遲膜226之開口區域227可使用透明樹脂 材料填充。 請參閱第四圖，係本發明半穿透半反射式液晶顯示裝 置第三實施方式之結構示意圖。該液晶顯示裝置300與本 1284769 發明之液晶顯示裝置200結構大致相同，其區別在於：該 液晶顯示裝置300還包括一彩色濾光片316,該彩色濾光片 316設置於上基板310之内表面，其包括第一部分317與第 二部分318,該彩色濾光片316之第一部分317為與反射延 遲膜326對應之區域，第二部分318為與開口區域327對 應之區域，其中第一部分317上設有複數小孔319。 請參閱第五圖，係本發明半穿透半反射式液晶顯示裝 置第四實施方式之結構示意圖。該液晶顯示裝置400與本 發明之液晶顯示裝置200結構大致相同，其區別在於：該 液晶顯示裝置400還包括一彩色濾光片416,該彩色濾光片 416設置於上基板410之内表面，其包括第一部分417與第 二部分418,該彩色濾光片416之第一部分417為與反射延 遲膜426對應之區域，第二部分418為與開口區域427對 應之區域，其中第二部分418之厚度大致為第一部分417 厚度之二倍。 請參閱第六圖，係本發明半穿透半反射式液晶顯示裝 置第五實施方式之結構示意圖。該液晶顯示裝置500與本 發明之液晶顯示裝置200結構大致相同，其區別在於：該 液晶顯示裝置500還包括一彩色濾光片516,該彩色濾光片 516設置於上基板510之内表面，其包括第一部分517與第 二部分518,該彩色濾光片516之第一部分517為與反射延 遲膜526對應之區域，第二部分518為與開口區域527對 應之區域，其中第二部分518之著色濃度大致為第一部分 517著色濃度之二倍。 11 1284769 本發明第一實施方式中，該反射膜126可以通過低盔 蒸鑛方式直接鑛·於該下偏光板125之部分區域上，形成一' 偏光半反射元件；當然，亦通過奈米微影製程或者自我組 成（Self Assembly)奈米技術於金屬膜表面上再形成一延遲 層。本發明第二實施方式中，該金屬膜可以通過低溫蒸鍍 方式直接鍍於該下偏光板225之部分區域上，然後該延遲 層通過奈米微影製程或者自我組成奈米技術形成於金屬膜 表面’形成一偏光半反射相位延遲元件。 本發明第三、四、五實施方式巾，由於外界光（圖未示） 需二次經過彩色遽光片，背光«置發出的光-次經過彩 色濾光片，因此於彩色濾光片第一部分上設置小孔、第二 T分之厚度大致為第一部分厚度之二倍、第二部分之著色 濃度大致為第-部分著色濃度之二倍時，可使用於顯示的 出射光的色度-致’有提高液晶顯示裝置顯示品質之功效。 本發明第一、二實施方式中，由於液晶顯示裝置之背 先源裝置發出的大部分光均可用於穿透顯示，因此該液晶 =裝置之光利用率高；且該液晶顯示裝置搭配使用透明 像素電極與反射膜或反射延遲膜，以實現反射顯示，因此 使該液晶顯示裝置結構簡單。 綜上所述，本發明確已符合發明專利之要件 法 提出專利申請。惟，以上所述者 有偟為本發明之較佳實施方 式’本么明之範圍並不以上述實旆 -.« X ^方式為限，舉凡熟習本 案技☆之人士援依本發明之精神所 ^ ^ Τ岍作之4效修飾或變化， 白應涵盍於以下申請專利範圍内。 12 1284769 【圖式簡單說明】 · 第一圖係先前技術半穿透半反射式液晶顯示裝置之緒 構不意圖。 第二圖係本發明半穿透半反射式液晶顯示裝置第一實 施方式之結構示意圖。 第三圖係本發明半穿透半反射式液晶顯示裝置第二實 施方式之結構不意圖。 第四圖係本發明半穿透半反射式液晶顯示裝置第三實 施方式之結構示意圖。 第五圖係本發明半穿透半反射式液晶顯示裝置第四實 施方式之結構不意圖。 第六圖係本發明半穿透半反射式液晶顯示裝置第五實 施方式之結構不意圖。 【主要元件符號說明】 半穿透半反射液晶顯示裝置 上基板 上延遲片 14、114、214 反射膜 26、126 液晶層 30、130、230 像素電極 21、121、221 開 口區域 27、127、227 彩色濾光片316、416、516 第一部份 317、417、517 第二部份 318、418、518 1、100、200、300、400、500 10、110、210、310、410、510 公共電極 11、111、211 上偏光板 15、115、215 下基板 20、120、220 下偏光板 25、125、225 背光源裝置40、140、240 光 41 、 42 、 141 、 142 小孔319 下延遲片 24、124 13 526 1284769 反射延遲膜226、326、426、 穿透電極 22反射電極 23 14The image display is realized in a weak environment. The transflective liquid crystal display device can solve the above problems. The first embodiment is a transflective liquid crystal display device disclosed in U.S. Patent No. 6,493,051, the entire disclosure of which is incorporated herein by reference. A substrate 2, a liquid crystal layer 30 is sandwiched between the upper substrate 10 and the lower substrate 2A, and a backlight device 40 is disposed on the other side of the lower substrate 2A with respect to the upper substrate 1A. A transparent common electrode 11 is disposed on the inner surface of the upper substrate 10. An upper retardation plate 14 and an upper polarizing plate 15 are sequentially disposed on the outer surface of the upper substrate 1b. A pixel electrode 21 is disposed on an inner surface of the lower substrate 20, and the pixel electrode 21 includes a penetrating electrode 22 and a reflective electrode 23, and the lower retardation plate 24, the lower polarizing plate 25, and a reflective film 26 are sequentially disposed on The outer surface of the lower substrate 20, wherein the reflective film 26 is provided with an opening region 27 corresponding to the region of the penetrating electrode 22 of the pixel electrode 21. When the liquid crystal display device 1 realizes the display operation, a part of the light 41 emitted by the backlight device 4 is emitted through the opening region 27, the penetrating electrode 22 and the liquid crystal layer 30 to realize the penetrating display; external light (not shown) is from the upper substrate. 1〇 is incident on the reflective electrode 23 and is reflected by the liquid crystal layer 3 to realize reflection display. However, when the liquid crystal display device i realizes the display operation, another portion of the light 42 emitted from the semiconductor device is incident on the reflective electrode 23 or the reflective film < 26 is reflected by the reflective electrode 23 or the reflective film 26 to the backlight device 4, The penetration display is realized, so that another portion of the light 42 of the backlight device 4 is consumed, the liquid crystal display device! The liquid crystal display device 1 uses the reflective film 26 on the outer surface of the lower substrate 2G and the reflective electrode on the inner surface of the lower substrate 20 for the reflection of light, thereby making the liquid crystal display device 1 complicated in structure. The material of the penetrating electrode 22 of the pixel electrode 21 is different from that of the reflective electrode 23, and is formed on the lower substrate 2G in different process steps under different process conditions, so that the process of the liquid crystal display is complicated. 3. Here, it is necessary to provide a transflective liquid crystal display device having high light utilization efficiency, simple structure, and short process. SUMMARY OF THE INVENTION The purpose of the present invention is to provide a transflective liquid crystal display device having high light utilization efficiency, simple structure, and simple process. 1284769 - Another object of the present invention is to provide a transflective liquid crystal display device having a high light utilization ratio, a simple structure, and a simple process. The present invention provides a transflective liquid crystal display device comprising a first substrate and a second substrate opposite to each other, a liquid crystal layer sandwiched between the first substrate and the first substrate, and a common electrode disposed on The pixel electrode '1 of the first substrate is disposed inside the second substrate, and the pixel electrode is composed of a transparent electrode. The outer surface of the second substrate is provided with a reflective element, and the reflective element is provided with a reflective element. Opening. According to another aspect of the present invention, a transflective liquid crystal display device includes: a first substrate and a second substrate disposed opposite to each other, a liquid crystal layer igniting the first substrate and the first substrate, and a common electrode disposed on the first electrode An inner surface of a substrate, a pixel electrode disposed on an inner surface of the second substrate, the pixel electrode is composed of a transparent electrode, and a surface of the second substrate is provided with a polarizing semi-reflective element. Compared with the prior art, the transflective liquid crystal display device of the present invention has the following advantages: most of the light emitted by the backlight device of the liquid crystal display device can pass through the opening of the reflective element or the polarizing semi-reflective element, and can be used for The liquid crystal display device has a high light utilization rate; the liquid day display device only uses a transparent pixel electrode and a reflective element or a polarizing semi-reflective element to realize a reflective display, thereby making the liquid crystal display device simple in structure. The transparent pixel electrode uses the same transparent material and can be formed on the substrate once under the same process conditions, thereby making the liquid crystal display device simple in process. [Embodiment] 1284769 Please refer to the second drawing, which is a schematic structural view of a first embodiment of a transflective liquid crystal display device of the present invention. The liquid crystal display device 100 includes two transparent upper substrates 110 and a lower substrate 120. A liquid crystal layer 130 is sandwiched between the upper substrate 110 and the lower substrate 120. A backlight device 140 is disposed on the lower substrate 120 opposite to the upper substrate 110. The other side. A transparent common electrode 111 is disposed on the inner surface of the upper substrate 110, and an upper retarder 114 and an upper polarizer 115 are sequentially disposed on the outer surface of the upper substrate 110. The pixel electrode 121 is disposed on the inner surface of the lower substrate 120. The lower retardation film 124, the reflective film 126, and the lower polarizing plate 125 are sequentially disposed on the outer surface of the lower substrate 120. The reflective film 126 is provided with an opening region 127. . The material of the common electrode 111 and the pixel electrode 121 is Indium Tin Oxide (ITO) or Indium Zinc Oxide (IZO); the upper retarder 114 and the lower retarder 124 are quarter-wave plates. The reflective film 126 is a dielectric reflective film or a highly reflective metal film, and the dielectric reflective film can be formed by indium tin oxide and titanium oxide (Ti〇2), which are sequentially interlaced and pressed to form a thin punch film, and the high reflective metal film can be used. Metal aluminum is used; the opening region 127 of the reflective film 126 may be filled with a transparent resin material. When the liquid crystal display device 100 realizes the display operation, most of the light 141, 142 emitted by the backlight device 140 - passes through the opening region 127, the pixel electrode 121, and the liquid crystal layer 130 to realize the penetration display; the external light (not shown) The incident from the upper substrate 110 to the reflective film 126 is reflected, and then exits through the liquid crystal layer 130 to realize reflective display. Since most of the backlights 141 and 142 emitted by the backlight device 140 of the liquid crystal display device 100 can be used for penetrating display, the liquid crystal display device 1〇6 has high light utilization efficiency; and the liquid crystal display device 100 only matches The transparent pixel electrode 121 and the reflective film 126 are used to realize the reflective display, so that the liquid crystal display device 100 has a simple structure, and the transparent pixel electrode 121 is formed on the lower substrate once under the same process conditions using the same transparent material; [20 above] thus making the liquid crystal display device 100 simple. Please refer to the second figure, which is a schematic structural view of a second embodiment of the transflective liquid crystal display device of the present invention. The liquid crystal display device 200 includes two transparent upper substrates 210 and a lower substrate 220. A liquid crystal layer 230 is sandwiched between the upper substrate 210 and the lower substrate 220. A backlight device 240 is disposed on the lower substrate 220 opposite to the upper substrate 210. The other side. A transparent common electrode 211 is disposed on the inner surface of the upper substrate 210. An upper retarder 214 and an upper polarizer 215 are sequentially disposed on the outer surface of the upper substrate 210. A pixel electrode 221 is disposed on the inner surface of the lower substrate 220. A reflective retardation film 226 and a lower polarizing plate 225 are sequentially disposed on the outer surface of the lower substrate 220. The reflective retardation film 226 is provided with an opening region 227. The reflective retardation film 226 includes a metal film and a retardation layer, and the retardation layer can be formed on the surface of the metal film by a nano lithography process or a self-assembly (Self Assembly) nanotechnology, and the retardation layer can have four points on the light. One of the wavelengths - the delay. The opening region 227 of the reflective retardation film 226 may be filled with a transparent resin material. Please refer to the fourth figure, which is a schematic structural view of a third embodiment of the transflective liquid crystal display device of the present invention. The liquid crystal display device 300 has substantially the same structure as the liquid crystal display device 200 of the invention of the 1284769. The liquid crystal display device 300 further includes a color filter 316 disposed on the inner surface of the upper substrate 310. The first portion 317 of the color filter 316 is a region corresponding to the reflective retardation film 326, and the second portion 318 is a region corresponding to the open region 327, wherein the first portion 317 is on the first portion 317 and the second portion 318. A plurality of small holes 319 are provided. Referring to FIG. 5, it is a schematic structural view of a fourth embodiment of the transflective liquid crystal display device of the present invention. The liquid crystal display device 400 is substantially the same as the liquid crystal display device 200 of the present invention. The liquid crystal display device 400 further includes a color filter 416 disposed on the inner surface of the upper substrate 410. It includes a first portion 417 and a second portion 418. The first portion 417 of the color filter 416 is a region corresponding to the reflective retardation film 426, and the second portion 418 is a region corresponding to the opening region 427, wherein the second portion 418 The thickness is approximately twice the thickness of the first portion 417. Please refer to the sixth drawing, which is a schematic structural view of a fifth embodiment of the transflective liquid crystal display device of the present invention. The liquid crystal display device 500 is substantially the same as the liquid crystal display device 200 of the present invention. The liquid crystal display device 500 further includes a color filter 516 disposed on the inner surface of the upper substrate 510. It includes a first portion 517 and a second portion 518. The first portion 517 of the color filter 516 is a region corresponding to the reflective retardation film 526, and the second portion 518 is a region corresponding to the opening region 527, wherein the second portion 518 The coloring concentration is approximately twice the coloring concentration of the first portion 517. 11 1284769 In the first embodiment of the present invention, the reflective film 126 can be directly mined on a portion of the lower polarizing plate 125 by a low-faceted steaming method to form a 'polarized semi-reflective element; of course, also through the nano-micro The shadow process or Self Assembly nanotechnology forms a retardation layer on the surface of the metal film. In the second embodiment of the present invention, the metal film may be directly plated on a portion of the lower polarizing plate 225 by low-temperature evaporation, and then the retardation layer is formed on the metal film by a nanolithography process or a self-assembled nanotechnology. The surface 'forms a polarized semi-reflective phase delay element. According to the third, fourth and fifth embodiments of the present invention, since the external light (not shown) needs to pass through the color light-emitting sheet twice, the backlight «the emitted light passes through the color filter, so the color filter is used. When a small hole is provided in a part, the thickness of the second T minute is substantially twice the thickness of the first portion, and the color density of the second portion is approximately twice the color density of the first portion, the chromaticity of the emitted light for display can be made - To the effect of improving the display quality of liquid crystal display devices. In the first and second embodiments of the present invention, since most of the light emitted by the back source device of the liquid crystal display device can be used for penetrating display, the liquid crystal=device has high light utilization efficiency; and the liquid crystal display device is used in combination with transparent The pixel electrode and the reflective film or the reflective retardation film are used for reflective display, thereby making the liquid crystal display device simple in structure. In summary, the present invention has indeed filed a patent application in accordance with the requirements of the invention patent. However, the above-mentioned ones are preferred embodiments of the present invention. The scope of the present invention is not limited to the above-described method - the X ^ method, and those who are familiar with the present technology ☆ are in accordance with the spirit of the present invention. ^ ^ The four-effect modification or change of the production, Bai Yinghan is within the scope of the following patent application. 12 1284769 [Simple description of the drawings] The first figure is not intended to be a prior art semi-transflective liquid crystal display device. The second drawing is a schematic structural view of a first embodiment of the transflective liquid crystal display device of the present invention. The third drawing is not intended to be a structural embodiment of the transflective liquid crystal display device of the present invention. The fourth figure is a schematic structural view of a third embodiment of the transflective liquid crystal display device of the present invention. The fifth drawing is a schematic view of the structure of the fourth embodiment of the transflective liquid crystal display device of the present invention. Fig. 6 is a schematic view showing the structure of a fifth embodiment of the transflective liquid crystal display device of the present invention. [Description of main component symbols] The retardation sheets 14, 114, 214 on the substrate on the transflective liquid crystal display device, the reflective film 26, 126, the liquid crystal layers 30, 130, 230, the pixel electrodes 21, 121, 221, the opening regions 27, 127, 227 Color filter 316, 416, 516 first portion 317, 417, 517 second portion 318, 418, 518 1, 100, 200, 300, 400, 500 10, 110, 210, 310, 410, 510 public Electrode 11, 111, 211 upper polarizing plate 15, 115, 215 lower substrate 20, 120, 220 lower polarizing plate 25, 125, 225 backlight device 40, 140, 240 light 41, 42, 141, 142 small hole 319 delay Sheet 24, 124 13 526 1284769 Reflecting retardation film 226, 326, 426, penetrating electrode 22 reflecting electrode 23 14