經濟部智慧財產局員工消費合作社印製 576939 A7 483 Otw f.doc/006 B7 五、發明說明（/) 本發明是有關於一種液晶顯示裝置（Liquid Crystal Display，LCD)，且特別是有關於一種具有偏極分光片 (Polarization Splitter)之彩色液晶顯示裝置。 由於受到電場及熱等外加作用之影響，液晶分子的排 列狀態會隨之改變，導致液晶的複折射性(Birefnngence)、 旋光性、二色性、光散亂性、旋光分散等各種光學性質產 生變化，利用此種變化特性所造成的視覺效果，可以應用 於液晶顯示器之製作。液晶顯示器之主體爲液晶單元，由 兩片具有透明電極的玻璃基板，以及被封於基板之間的液 晶所構成。 向列型（Nematic)液晶係由棒狀的分子所構成，其排列 方式是各液晶分子之長軸方向保持平行，而且具有液體般 的流動性。向列型液晶具有光學、電性、磁性等異向性 (Anisotropy)，對其施予外加電場或磁場時，會改變液晶分 子的排列，進而影響整個液晶的特性，在移除外加電場或 磁場時，液晶分子則會恢復原來的排列方式。 電場控制複折射（Electrically Controlled Birefringence, ecb)液晶顯示器是使用電場控制的液晶顯示裝置，主體是 由液晶單元（Liquid Crystal Cell)及兩片偏光片（Polarizer)所 構成。其中液晶單元係由兩片平行的玻璃基板、以及塡充 於玻璃基板之間的向列液晶所組成。兩片偏光片則是分別 配置於液晶單元的上、下表面，而且其偏振方向相互垂直。 在液晶單元上表面及上偏光片之間，則設有延遲片 (Retardation Film);配置在液晶單元下表面的下偏光片， 3 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） ------?----裝 (請先閱讀背面之注意事項再填寫本頁) 訂--- # 576939 4830tvvr.doc/006 A7 B7 五、發明說明（之） 其外側還裝有反射片（Reflector)。 由於反射片係以光學薄膜及金屬原子鍍膜構成，其製 作方式是將金屬原子以蒸鏟方式在光學薄膜表面形成鏟 膜，因此其所構成之反射面較爲粗糙’容易使入射光線產 生漫射（Diffusion)，造成散射耗損（Scattering Loss)，進而降 低顯示圖案之對比（Contrast)，影響液晶顯示器之顯示品 質。 因此本發明提供一種彩色液晶顯示裝置，使用同時具 有偏光片及反射片功能的偏極分光片，配合偏光片、延遲 片與液晶單元，可應用於反射式及半透式彩色液晶顯示裝 置，使得經由偏極分光片反射或透射之光線亮度均勻，增 加顯示圖案之對比度，並提高顯示品質。使用偏極分光片 及遮斷片（Breaker)組成偏極分光吸收片，或者是以偏極分 光片及中性密度濾光片（Neutral-Density Filter, ND Filter)構 成偏極分光衰減片，並配合使用光源，即可進行多重彩色 (Multi-Color)或全彩（Full-Color)顯示。此外，利用外加電場 改變液晶單元之複折射性質，以電場控制複折射（ECB)的 主動方式進行多重彩色、全彩顯示，可應用於反射式及半 透式等各種液晶顯示器。 根據本發明之上述及其他目的，提出一種彩色液晶顯 示裝置，使用由折射率不同的光學薄膜材料交互堆疊形成 之偏極分光片，配合偏光片、延遲片與液晶單元，可應用 於反射式及半透式彩色液晶顯示裝置。經過偏光片和液晶 單元入射至偏極分光片之入射光，由偏極分光片分光之 4 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） ------Γ--J--·裝---I I---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 576939 4 8 3 01 \\ Γ. d ο c / 0 〇 6 Α7 Β7 經濟部智慧財產局員工消費合作社印製 五、發明說明（多） 後，將入射光中具有特定偏振方向之分量反射，而其他偏 振方向之分量則可以穿過偏極分光片。調整偏光片和偏極 分光片的偏振方向，以及延遲片與液晶單元的折射率異向 性（Reflective Index Anisotropy)An 與厚度 d 之乘積Δη·(1 等 光電參數，可使光線產生色散（Dispersion)、散射（Scattering) 及干涉（Interference)等現象，以達到彩色顯示之目的。而 且可採用電場控制複折射（ECB)的主動方式，以外加電場 改變液晶單元之複折射性質，進行多重彩色、全彩顯示。 配合遮斷片或中性密度濾光片，則可以分別應用於反射式 及半透式彩色液晶顯示器，使得顯示圖案之光線亮度均 勻，增加對比度，並提高顯示品質。 爲讓本發明之上述和其他目的、特徵、和優點能更明 顯易懂，下文特舉較佳實施例，並配合所附圖式，作詳細 說明如下： 圖式之簡單說明： 第1A圖與第1B圖所繪示爲依照本發明之第一實施 例，一種彩色液晶顯示裝置，其結構之剖面示意圖；以及 第2A圖與第2B圖所繪示爲依照本發明之第二實施 例，另一種彩色液晶顯示裝置，其結構之剖面示意圖。 圖式之標記說明： 100、200 :液晶單元 102、202 :液晶 104a、104b、204a、204b :玻璃基板 106a、106b、206a、206b :透明電極 5 (請先閱讀背面之注意事項再填寫本頁) 裝 訂--- 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公爱） 576939 483()twf.doc/006 A7 B7 五、發明說明（f) l〇8a、108b、208a、208b :液晶單元表面 108c、108d、208c、208d :玻璃基板表面 110、210 :偏光片 112、212 :偏極分光片 114 :遮斷片 116 :偏極分光吸收片 118、218 :延遲片 120、220 ··入射光 120a、220a :反射光 12〇b、220b :穿透光 122a、122b、222a、222b、242a :偏振方向 214 :中性密度濾光片 216 :偏極分光衰減片 230 :光源 240 :發射光 240a :透射光 第一實施例 請參照第1A圖與第1B圖，其所繪示的是依照本發明 之第一實施例，一種彩色液晶顯示裝置，其結構之剖面示 意圖。根據本發明之彩色液晶顯示裝置，主要構件包括液 晶單元、偏光片及偏極分光片，其中液晶單元還包括玻璃 基板、透明電極與液晶。 如第1A圖所示，在液晶單元100之結構中，包括有 平行配置的第一玻璃基板104a及第二玻璃基板104b，液 6 ------r-------裝--------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 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） 576939 4830t\v r.doc/006 A7 B7 經濟部智慧財產局員工消費合作社印製 五、發明說明（f ) 晶102則是配置於第一玻璃基板104a及第二玻璃基板l〇4b 之間。介於玻璃基板之間的液晶分子，其分子配列（Molecular Orientation)具有固定的扭轉角度（Twisted Angle)。在第一玻 璃基板104a與液晶102之間配置有第一透明電極106a， 位於第一玻璃基板104a內側的第三表面l〇8c ;而第二玻 璃基板104b與液晶102之間則設有第二透明電極106b， 位於第二玻璃基板104b內側之第四表面l〇8d。第一玻璃 基板104a外側的第一表面108a，亦即爲液晶單元100外 側之第一表面108a;而第二玻璃基板104b外側的第二表 面108b，亦即是液晶單元100外側之第二表面l〇8a。 第1A圖中液晶102之材料例如是扭轉角度爲90度的 扭轉向列液晶（Twisted Nematic，TN)，或者是扭轉角度介於 180度至270度的超扭轉向列液晶（Super Twisted Nematic, STN)等，第一透明電極l〇6a與第二透明電極l〇6b之材質 則包括銦錫氧化物(Indium Tin Oxide, IT0)等，而且透明電 極還與外部之電源供應及控制單元（未顯示於圖中）相連 接。扭轉向列液晶單元是使用扭轉向列液晶作爲液晶材 料，與玻璃基板及透明電極共同構成；而超扭轉向列液晶 早兀則疋:以超扭轉向列液晶作爲液晶材料，與玻璃基板及 透明電極所組成。此外，所使用之液晶單元還包括以電場 控制複折射（ECB)的主動方式操縱的電場控制複折射液晶 單元。 請再參照第1A圖，在液晶單元1〇〇外側之第一表面 108a配置有偏光片11〇，例如是線性偏光片等，與液晶單 7 本紙張尺度適用中國國家標準（CNS)A4規格（21G X 297公釐) ' " (請先閱讀背面之注意事項再填寫本頁) -Γ裝 訂---- #· 經濟部智慧財產局員工消費合作社印製 576939 4 8 3 01 w Γ. d 〇 c / 0 〇 6 A7 ___ B7 五、發明說明（έ) 兀100互相光學親接（Optically Coupling)，偏光片110之材 質則包括聚合物材料等。偏極分光片U2則是裝設於液晶 單元100外側之第二表面108b，例如是由折射率不同的光 學薄膜材料以交互堆疊方式形成之偏極分光片，或者例如 是3M公司之反射顯示薄膜（Refiective Display Him, RDF)3M™ Reflectlve Display Film-Black(RDF-B)及 3MTM Reflective Display Film-Clear(RDF-C)。與液晶單元 100 光學 耦接之偏極分光片112,同時具有偏光片及反射片之功能， 可將入射光線中具有不同偏振方向之偏振分量加以區分， 並將其中部份偏振分量反射，而另一部份的偏振分量則可 以穿透偏極分光片112。 此外，在偏極分光片112的外側表面還配置有遮斷片 114，與偏極分光片112互相光學耦接，可以吸收穿透偏 極分光片112之光線，並阻絕外界之光線直接進入偏極分 光片112中，而遮斷片114與偏極分光片112可以共同疊 合組成偏極分光吸收片116,因此本實施例可應用於反射 式液晶顯示器。 請參照第1B圖，其主要構件與第1A圖類似，與第1A 圖相同之元件則採用相同之標號，包括液晶單元1〇〇、分 別配置於液晶單元丨⑻外側表面i〇8a與10%的偏光片110 和偏極分光片112、以及與偏極分光片112光學稱接的遮 斷片114。除了前述之元件外，在液晶單元1〇〇與偏光片 11 〇之間’還具有延遲片118 ’分別與液晶單兀1 〇〇及偏光 片110光學耦接。 8 ^紙張尺度適用中國國家標準（CNS)A4規格（210 x 297公釐） -----J--------裝—---丨-訂---------. (請先閱讀背面之注意事項再填寫本頁) 576939 4830twr.doc/006 幻 B7 五、發明說明（1) 請參照第1A圖及第1B圖，使用本實施例之彩色液晶 顯示裝置，當入射光120由外界經過偏光片110、延遲片 118，並穿透液晶單元110入射至偏極分光吸收片116時， 入射光120經由偏極分光片112加以分光，將入射光線120 中具有第一偏振方向122a的第一偏振分量120a反射形成 具有第一偏振方向122a之反射光120a，而入射光線120 中具有第二偏振方向122b之第二偏振分量120b則會穿透 偏極分光片112形成穿透光120b，再由遮斷片114所吸收， 其中穿透光120b之偏振方向爲第二偏振方向122b，而且 第一偏振方向122a與第二偏振方向122b互相垂直。 由於液晶具有複折射性，而且液晶可以改變入射光線 的偏極狀態及偏振方向，例如使入射光呈線性偏極化 (Linear Polarized)、圓偏極化(Circular Polarized)或橢圓偏極 化(Elliptical Polarized)，並可依據入射光之旋光性的不同， 而使其反射或通過液晶，此外還可使入射光產生色散、散 射、干涉等現象。 經濟部智慧財產局員工消費合作社印製 (請先閱讀背面之注意事項再填寫本頁) 因此可以電場控制複折射（ECB)的主動方式，改變施 加於第一透明電極106a與第二透明電極l〇6b間的電壓， 液晶102中的液晶分子受外加電場之影響而改變其分子配 列，導致液晶102之特性產生變化，使得紅光、綠光、藍 光等不同波長的光在液晶102中的偏極狀態改變。所以控 制施加於透明電極106a與106b之外加電壓，並使外加電 壓呈連續性變化，因此隨著紅光、綠光及藍光等不同波長 光線之偏極狀態的變化而顯示出各種顏色，以進行多重采多 9 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） 576939 4 8 3 01 νν Γ. d 〇 c / 0 0 6 A7 B7 經濟部智慧財產局員工消費合作社印製 五、發明說明（》） 色顯示。藉由改變外加電壓及配合使用數個像素（Pixel)組 成之像素單元，利用混色效果，則可以達到全彩顯示之目 的。 此外，同時或分別調整偏光板110之吸收軸方向與偏 極分光板112之吸收軸方向，可以改變液晶顯示器所顯示 之背景顏色，其中偏極分光板112之吸收軸方向，亦即可 穿透偏極分光板112之穿透光120b所具有的第二偏振方 向122b。藉由調整液晶折射率異向性與厚度之乘積 An*d(LC)、偏光板110之吸收軸方向與偏極分光板之吸收 軸方向等光學參數，即可達到多重彩色及全彩顯示的目 的。 使用具有延遲功能（Retardation)的延遲片118可以改變 液晶顯示器所呈現之顯示光譜，而調整延遲片118的折射 率異向性與厚度之乘積Δη·(1(ΡΗ)，以配合前述液晶折射率 異向性與厚度之乘積Δη·(ΐα〇、偏光板110之吸收軸方向 與偏極分光板之吸收軸方向等光學參數，亦可以達到顯示 不同色彩之目的。 第二實施例 請參照第2Α圖與第2Β圖，其所繪示的是依照本發明 之第二實施例’另一種彩色液晶顯示裝置，其結構之剖面 示意圖。其主要構件與第一實施例類似，亦包括液晶單元、 偏光片及偏極分光片等元件，而液晶單元則包括玻璃基 板、透明電極與液晶。 請參照第2Α圖，與第一實施例相同的部份爲液晶單 10 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） ----^----r 丨·-裝 (請先閱讀背面之注意事項再填寫本頁) -l·,Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 576939 A7 483 Otw f.doc / 006 B7 V. Description of the Invention (/) The present invention relates to a liquid crystal display (Liquid Crystal Display, LCD), and in particular to a liquid crystal display (LCD). Color liquid crystal display device with Polarization Splitter. Due to the influence of external effects such as electric fields and heat, the alignment of liquid crystal molecules will change accordingly, resulting in various optical properties such as the birefnngence, optical rotation, dichroism, light scattering, and optical rotation of the liquid crystal. Changes, and the visual effects caused by such changing characteristics can be applied to the production of liquid crystal displays. The main body of a liquid crystal display is a liquid crystal cell, which is composed of two glass substrates with transparent electrodes and liquid crystals sealed between the substrates. Nematic liquid crystals are composed of rod-shaped molecules. The arrangement is such that the long axis directions of the liquid crystal molecules remain parallel and have liquid-like fluidity. Nematic liquid crystals have optical, electrical, magnetic and other anisotropy (Anisotropy). When an external electric or magnetic field is applied to them, the arrangement of liquid crystal molecules will be changed, which will affect the characteristics of the entire liquid crystal. At this time, the liquid crystal molecules will return to their original arrangement. Electric field controlled birefringence (ECB) liquid crystal display is a liquid crystal display device using electric field control. The main body is composed of a liquid crystal cell (Liquid Crystal Cell) and two polarizers (Polarizer). The liquid crystal cell is composed of two parallel glass substrates and a nematic liquid crystal filled between the glass substrates. The two polarizers are respectively arranged on the upper and lower surfaces of the liquid crystal cell, and their polarization directions are perpendicular to each other. Between the upper surface of the liquid crystal cell and the upper polarizer, there is a retardation film (Retardation Film); the lower polarizer is arranged on the lower surface of the liquid crystal cell. 3 This paper size applies to the Chinese National Standard (CNS) A4 specification (210 X 297) (Mm) ------? ---- Installation (Please read the precautions on the back before filling this page) Order --- # 576939 4830tvvr.doc / 006 A7 B7 V. Description of the invention (the) outside Also equipped with a reflector (Reflector). Since the reflection sheet is composed of an optical film and a metal atom coating, the manufacturing method is to form metal blades on the surface of the optical film by a steam shovel method, so the reflective surface formed by it is relatively rough, and it is easy to diffuse incident light. (Diffusion), resulting in Scattering Loss, thereby reducing the contrast of the display pattern (Contrast), and affecting the display quality of the liquid crystal display. Therefore, the present invention provides a color liquid crystal display device, which uses a polarizing beam splitter having both a polarizing plate and a reflecting plate function, which can be applied to reflective and transflective color liquid crystal display devices in combination with a polarizer, a retarder, and a liquid crystal cell, so The brightness of the light reflected or transmitted through the polarizing beam splitter is uniform, which increases the contrast of the display pattern and improves the display quality. Use polarizing beam splitter and Breaker to form polarizing beam absorbing sheet, or use polarizing beam splitter and neutral density filter (Neutral-Density Filter, ND Filter) to form polarizing beam splitting attenuator, and cooperate with With light source, multi-color or full-color display can be performed. In addition, by applying an external electric field to change the birefringence properties of the liquid crystal cell, the active method of electric field controlled birefringence (ECB) is used for multi-color and full-color display, which can be applied to various liquid crystal displays such as reflective and transflective. According to the above and other objects of the present invention, a color liquid crystal display device is proposed, which uses polarizing beam splitters formed by alternately stacking optical thin film materials with different refractive indices, and cooperates with polarizing plates, retarders and liquid crystal cells, and can be applied to reflective and Semi-transmissive color liquid crystal display device. The incident light that is incident on the polarizing beam splitter through the polarizer and the liquid crystal cell is split by 4 of the polarizing beam splitter. The paper size is applicable to the Chinese National Standard (CNS) A4 specification (210 X 297 mm) ------ Γ --J-- · Installation --- I I --- Order --- (Please read the precautions on the back before filling out this page) # · Printed by the Employees' Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 576939 4 8 3 01 \ \ Γ. D ο c / 0 〇6 Α7 Β7 Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 5. After the description of the invention (multiple), the component of the incident light with a specific polarization direction is reflected, while the components of other polarization directions are Can pass through polarizing beamsplitters. Adjusting the polarization direction of the polarizer and polarizing beam splitter, and the refractive index anisotropy of the retarder and the liquid crystal cell (Reflective Index Anisotropy) An and the thickness d, Δη · (1, and other photoelectric parameters, can make light dispersion. ), Scattering (Scattering) and interference (Interference) to achieve the purpose of color display. Moreover, the active method of electric field controlled birefringence (ECB) can be used to change the birefringence properties of the liquid crystal cell by applying an external electric field to perform multiple color, Full color display. It can be applied to reflective and semi-transmissive color liquid crystal displays with interrupters or neutral density filters, so that the brightness of the display pattern is uniform, the contrast is increased, and the display quality is improved. The above and other objects, features, and advantages can be more clearly understood. The preferred embodiments are described below in detail with the accompanying drawings as follows: Brief description of the drawings: Figures 1A and 1B A schematic cross-sectional view of the structure of a color liquid crystal display device according to a first embodiment of the present invention is shown; and the second A and FIG. 2B are schematic cross-sectional views showing the structure of another color liquid crystal display device according to the second embodiment of the present invention. Symbols of the drawings: 100, 200: liquid crystal cell 102, 202: liquid crystal 104a , 104b, 204a, 204b: Glass substrates 106a, 106b, 206a, 206b: Transparent electrodes 5 (Please read the precautions on the back before filling this page) Binding --- This paper size applies to China National Standard (CNS) A4 specifications ( 210 X 297 public love) 576939 483 () twf.doc / 006 A7 B7 V. Description of the invention (f) 108a, 108b, 208a, 208b: liquid crystal cell surface 108c, 108d, 208c, 208d: glass substrate surface 110, 210: polarizing plates 112, 212: polarizing beam splitters 114: blocking plates 116: polarizing beam absorbing plates 118, 218: retarders 120, 220 · incident light 120a, 220a: reflected light 120b, 220b: penetration Light 122a, 122b, 222a, 222b, 242a: Polarization direction 214: Neutral density filter 216: Polarized polarizing attenuator 230: Light source 240: Emitted light 240a: Transmitted light For the first embodiment, please refer to FIG. 1A and FIG. FIG. 1B shows a first embodiment according to the present invention. Color liquid crystal display device, the structure of a cross-sectional schematic. The color liquid crystal display device of the present invention, the main member comprises a liquid crystal cell, polarizers and polarization beamsplitter, wherein the liquid crystal cell further comprises a glass substrate, a transparent electrode and liquid crystal. As shown in FIG. 1A, the structure of the liquid crystal cell 100 includes a first glass substrate 104a and a second glass substrate 104b arranged in parallel. The liquid 6 ------ r ------- pack- ------- Order ---- (Please read the notes on the back before filling out this page) # Printed on the paper standard of the China National Standards (CNS) A4 (210 X 297 mm) 576939 4830t \ v r.doc / 006 A7 B7 Printed by the Consumers ’Cooperative of Intellectual Property Bureau of the Ministry of Economic Affairs 5. Description of the invention (f) Crystal 102 is arranged on the first glass substrate 104a and the second glass substrate l 〇4b. The liquid crystal molecules between the glass substrates have a molecular orientation (Twisted Angle). A first transparent electrode 106a is disposed between the first glass substrate 104a and the liquid crystal 102, and a third surface 108c located inside the first glass substrate 104a; and a second surface is provided between the second glass substrate 104b and the liquid crystal 102 The transparent electrode 106b is located on the fourth surface 108d inside the second glass substrate 104b. The first surface 108a on the outside of the first glass substrate 104a is the first surface 108a on the outside of the liquid crystal cell 100; and the second surface 108b on the outside of the second glass substrate 104b is the second surface l on the outside of the liquid crystal cell 100 〇8a. The material of the liquid crystal 102 in FIG. 1A is, for example, a twisted nematic liquid crystal (TN) with a twist angle of 90 degrees, or a super twisted nematic liquid crystal (STN) with a twist angle of 180 degrees to 270 degrees. ), Etc., the material of the first transparent electrode 106a and the second transparent electrode 106b includes indium tin oxide (IT0), etc., and the transparent electrode is also connected to an external power supply and control unit (not shown). (In the figure). Twisted nematic liquid crystal cells use twisted nematic liquid crystals as liquid crystal materials, and are composed of glass substrates and transparent electrodes; while super-twisted nematic liquid crystals have been premature: super-twisted nematic liquid crystals are used as liquid crystal materials, and are transparent to glass substrates and transparent substrates. Consisting of electrodes. In addition, the liquid crystal cell used also includes an electric field-controlled birefringent liquid crystal cell that is manipulated in an active manner by an electric field-controlled birefringence (ECB). Please refer to FIG. 1A again, a polarizing plate 11 is arranged on the first surface 108a of the outer side of the liquid crystal cell 100, such as a linear polarizing plate, and the liquid crystal sheet 7. This paper size applies the Chinese National Standard (CNS) A4 specification ( 21G X 297 mm) '" (Please read the notes on the back before filling in this page) -Γ Binding ---- # · Printed by the Employees' Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 576939 4 8 3 01 w Γ. D 〇c / 0 〇6 A7 ___ B7 V. Description of the invention (Wooden 100) is optically coupled to each other (Optically Coupling), and the material of the polarizer 110 includes a polymer material. The polarizing beam splitter U2 is mounted on the second surface 108b of the outer side of the liquid crystal cell 100. For example, the polarizing beam splitter U2 is a polarizing beam splitter formed by optical film materials with different refractive indexes in an alternately stacked manner, or a reflective display film of 3M Company, for example. (Refiective Display Him, RDF) 3M ™ Reflectlve Display Film-Black (RDF-B) and 3MTM Reflective Display Film-Clear (RDF-C). The polarizing beam splitter 112, which is optically coupled to the liquid crystal cell 100, has the functions of a polarizer and a reflector, which can distinguish polarization components with different polarization directions in the incident light, and reflect some of the polarization components. A part of the polarization component can penetrate the polarizing beam splitter 112. In addition, a blocking sheet 114 is also arranged on the outer surface of the polarizing beam splitter 112, which is optically coupled to the polarizing beam splitter 112, and can absorb the light penetrating the polarizing beam splitter 112 and prevent the external light from directly entering the polarizing beam In the beam splitting sheet 112, the blocking sheet 114 and the polarizing beam splitting sheet 112 can be superposed together to form a polarizing beam splitting absorption sheet 116. Therefore, this embodiment can be applied to a reflective liquid crystal display. Please refer to Figure 1B. Its main components are similar to Figure 1A. The same components as in Figure 1A are assigned the same reference numerals, including the liquid crystal cell 100, which are respectively arranged on the outer surface of the liquid crystal cell, i8a, and 10%. The polarizing plate 110 and the polarizing beam splitter 112, and the blocking plate 114 optically connected to the polarizing beam splitter 112. In addition to the aforementioned elements, there is a retarder 118 'between the liquid crystal cell 100 and the polarizer 110, which is optically coupled to the liquid crystal cell 100 and the polarizer 110, respectively. 8 ^ Paper size applies to China National Standard (CNS) A4 specification (210 x 297 mm) ----- J -------- installation ----- 丨 -order -------- -. (Please read the precautions on the back before filling this page) 576939 4830twr.doc / 006 Magic B7 V. Description of the invention (1) Please refer to Figure 1A and Figure 1B to use the color liquid crystal display device of this embodiment. When the incident light 120 passes through the polarizer 110 and the retarder 118 from the outside, and penetrates the liquid crystal cell 110 and is incident on the polarized light absorbing sheet 116, the incident light 120 is split by the polarized light beam 112, and the incident light 120 has a first The first polarization component 120a of one polarization direction 122a is reflected to form a reflected light 120a having the first polarization direction 122a, and the second polarization component 120b of the incident light 120 having the second polarization direction 122b is transmitted through the polarizing beam splitter 112 to form The transmitted light 120b is absorbed by the blocking sheet 114. The polarization direction of the transmitted light 120b is the second polarization direction 122b, and the first polarization direction 122a and the second polarization direction 122b are perpendicular to each other. Because liquid crystals have birefringence, and the liquid crystals can change the polarized state and polarization direction of incident light, such as making the incident light linearly polarized (Circular Polarized), circularly polarized (Circular Polarized), or elliptical (Elliptical) Polarized), and can reflect or pass the liquid crystal according to the optical rotation of the incident light, and can also cause the incident light to produce dispersion, scattering, interference and other phenomena. Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs (please read the precautions on the back before filling this page). Therefore, the active method of electric field controlled birefringence (ECB) can be changed to apply to the first transparent electrode 106a and the second transparent electrode l The voltage between 〇6b, the liquid crystal molecules in the liquid crystal 102 change its molecular arrangement under the influence of an external electric field, resulting in changes in the characteristics of the liquid crystal 102, making red, green, blue light and other wavelengths of light in the liquid crystal 102 polarization. The pole state changes. Therefore, the external voltage applied to the transparent electrodes 106a and 106b is controlled, and the applied voltage is continuously changed. Therefore, various colors are displayed as the polarized states of light of different wavelengths such as red, green, and blue light change. Multi-selection 9 This paper size is in accordance with China National Standard (CNS) A4 (210 X 297 mm) 576939 4 8 3 01 νν Γ. D oc / 0 0 6 A7 B7 Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs 5. Description of the invention (") Color display. By changing the applied voltage and using a pixel unit composed of several pixels, the color mixing effect can be used to achieve the purpose of full-color display. In addition, simultaneously or separately adjusting the absorption axis direction of the polarizing plate 110 and the absorption axis direction of the polarizing beam splitter 112 can change the background color displayed by the liquid crystal display. The absorption axis direction of the polarizing beam splitter 112 can also penetrate. The polarized beam splitter 112 has a second polarization direction 122b of the transmitted light 120b. By adjusting optical parameters such as the product of the refractive index anisotropy and thickness of the liquid crystal, An * d (LC), the direction of the absorption axis of the polarizing plate 110 and the direction of the absorption axis of the polarizing beam splitter, multiple color and full color displays can be achieved. purpose. The use of a retarder 118 with a retardation function can change the display spectrum presented by the liquid crystal display, and adjust the product of the refractive index anisotropy and thickness of the retarder 118 Δη · (1 (Ρ ，) to match the aforementioned refractive index of the liquid crystal The product of anisotropy and thickness Δη · (ΐα〇, the absorption axis direction of the polarizing plate 110 and the absorption axis direction of the polarizing beam splitter can also achieve different colors. For the second embodiment, please refer to Section 2A. Figure 2B is a schematic cross-sectional view of the structure of another color liquid crystal display device according to the second embodiment of the present invention. The main components are similar to the first embodiment, and include a liquid crystal cell and polarized light. And polarizing beamsplitters, while the liquid crystal cell includes a glass substrate, transparent electrodes, and liquid crystal. Please refer to Figure 2A. The same part as the first embodiment is a liquid crystal sheet. ) A4 size (210 X 297 mm) ---- ^ ---- r 丨 · -install (please read the precautions on the back before filling this page) -l ·,
-L 576939 A7 B7 483 〇t νν Γ. doc/〇〇6 五、發明說明（9) 元200，其結構包括有平行配置的第一玻璃基板204a及第 二玻璃基板204b，以及配置於其間的液晶202。第一透明 電極206a與第二透明電極206b是分別配置於第一玻璃基 板204a與液晶202、第二玻璃基板204b與液晶202之間， 位於第一玻璃基板204a內側的第三表面208c、第二玻璃 基板204b內側之第四表面208d。而液晶單元200之第一 表面208a及第二表面208b，即是第一玻璃基板204a的第 一表面208a與第二玻璃基板204b的第二表面208b。在液 晶單元200之第一表面208a配置有偏光片210，與液晶單 元200光學耦接。偏極分光片212則是裝設於液晶單元200 之第二表面208b。 如前所述，第2A圖中液晶202之材料例如是扭轉向 列液晶（TN)及超扭轉向列液晶（STN)等，透明電極206a與 206b之材質則包括銦錫氧化物（ITO)等，而且透明電極還 與並與外部之電源供應及控制單元（未顯示於圖中）相連 接。因此，液晶單元例如是扭轉向列液晶單元及超扭轉向 列液晶單元等，此外還包括電場控制複折射液晶單元。偏 光片210之材質包括聚合物材料等；偏極分光片212則例 如是由折射率不同的光學薄膜材料交互堆疊而成，或者例 如是3M公司之半透式顯不薄膜(Transflective Display Film, TDF)3MTM Transflective Display Film (TDF)，可將入射光線 中不同的偏振分量加以區分，使得入射光部份被偏極分光 片所反射，而另一部份則穿透偏極分光片。 此外’在偏極分光片212的外側表面配置有中性密度 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公楚） ------J---1--裝 (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 576939 4 8 3 01 \ν Γ· d ο c/O Ο 6 一 —_____Β7___ 五、發明說明（P) (請先閱讀背面之注意事項再填寫本頁) 濾光片214，與偏極分光片212互相光學耦接，可以降低 通過光線之強度，其穿透率約爲20%至50%，而中性密度 爐光片214可與偏極分光片212疊合構成偏極分光衰減片 216。而在中性密度濾光片214之外側還可配置光源230， 例如是背光（Backlight)元件等，因此本實施例可應用於半 透式液晶顯示器。 與第一實施例類似，請參照第2B圖，其主要構件與 第2A圖類似，與第2A圖相同之元件則採用相同之標號， 包括液晶單元200、偏光片210、偏極分光片212、以及中 性密度濾光片214。此外，在液晶單元200與偏光片210 之間，還具有延遲片218，分別與液晶單元200及偏光片 210光學耦接。 經濟部智慧財產局員工消費合作社印製 請參照第2A圖及第2B圖所示，使用本實施例之彩色 液晶顯示裝置，當入射光220由外界經過偏光片210、延 遲片218，並穿透液晶單元210入射至偏極分光衰減片216 時，入射光220經由偏極分光片212加以分光，將入射光 220中的第一偏振分量220a反射，形成具有第一偏振方向 222a之反射光220a，而入射光220中的第二偏振分量22〇b 則會穿透偏極分光片212形成穿透光220b，再由中性密度 濾光片214將其強度降低，其中穿透光220b之偏振方向 爲第二偏振方向222b，而且第一偏振方向222a與第二偏 振方向222b互相垂直。 使用本實施例之光源230進行顯示時，則是由光源230 產生發射光240，經過偏極分光哀減片216、液晶早兀200、 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） 576939 4 8 3 01 \v I', d 〇c/0 0 6 A7 B7 五、發明說明（/ί) (請先閱讀背面之注意事項再填寫本頁) 延遲片218與偏光片210後，形成透射光240a以進行顯示。 當發射光240入射至偏極分光片212時，由於偏極分光片 212之分光作用，將使發射光240中具有第三偏振方向242a 之第三偏振分量240a得以穿透偏極分光片212，其餘偏振 分量則無法透射出去，將發射光240偏極化，而第三偏振 方向242a與第二偏振方向222b相同，並與第一偏振方向 222a互相垂直。由圖得知，可用以顯示圖案之反射光220a 及透射光240a，兩者的偏振方向（222a與242a)彼此垂直。 因此當使用光源230以透射方式進行彩色圖案顯示時，其 顯示之圖案顏色與利用反射方式顯示之顏色互爲補色 (Complementary Color) 〇 與第一實施例相同，本實施例亦是利用液晶之複折射 性，改變入射光線的偏極狀態及偏振方向，例如使入射光 呈線性偏極化、圓偏極化或橢圓偏極化，並依據入射光之 旋光性，使其反射或通過液晶，此外還可使入射光產生色 散、散射、干涉等現象。 經濟部智慧財產局員工消費合作社印製 本實施例之操作模式與第一實施例類似，以電場控制 複折射（ECB)方式，改變施加於透明電極206a與206b的電 壓，使液晶202中的液晶分子受電場影響而改變其分子配 列和液晶的特性，並改變光線在液晶202中的偏極狀態。 控制外加電壓使其呈連續性變化，可導致不同波長光線產 生偏極狀態變化而顯示出各種顏色，以進行多重彩色顯 示。藉由改變外加電壓及配合使用數個像素組成之像素單 元，利用混色效果，即可達到全彩顯示之目的。而配合使 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） 576939 A7 B7 4<S3〇tw r.doc/〇〇6 五、發明說明（α) 用延遲片218，則可以改變液晶顯示器所呈現之顯示光譜。 此外，調整偏光板210與偏極分光板212之吸收軸方 向，可以改變液晶顯示器所顯示之背景顏色。偏極分光板 212之吸收軸方向，亦即可穿透偏極分光板212之穿透光 22〇b所具有的第二偏振方向222b。藉由調整液晶折射率異 向性與厚度之乘積An*d(LC)、偏光板210之吸收軸方向與 偏極分光板之吸收軸方向等光學參數，即可達到多重彩色 及全彩顯示的目的。而調整延遲片218的折射率異向性與 厚度之乘積Δη·ο1(ΡΗ)，並配合調整前述之光學參數，則可 以達到顯示不同色彩之目的。 應用本發明之彩色液晶顯示裝置係使用同時具有偏光 片及反射片功效的偏極分光片，是由高折射率與低折射率 的光學材料交互堆疊形成，具有多層且均勻的結構。以反 射方式顯示圖案時，偏極分光片可將入射光線中具有特定 偏振方向的分量反射以顯示圖案，而其餘的光線則可以穿 透偏極分光片，並由遮斷片所吸收，或由中性密度濾光片 降低其強度；使用背光以透射方式進行顯示時，發射光從 光源發出後，由偏極分光片將其偏極化，使得用以顯示圖 案的透射光具有特定之偏振方向。因此可增加顯示圖案之 反射光和透射光的均勻性，提高顯示背景顏色的亮度及顯 示圖案的對比度，以提升顯示的品質。 由上述本發明之較佳實施例可知，本發明之彩色液晶 顯示裝置可使用扭轉向列型液晶或超扭轉向列型液晶，並 以電場控制複折射的主動方式，調制液晶單元之複折射特 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) ϋ ϋ ϋ ϋ ϋ ϋ 一口、I ·ϋ ϋ emmmm 1 ϋ ϋ I . 經濟部智慧財產局員工消費合作社印製 576939 4 8 3 01 w Γ. d 〇 c /0 0 6 A7 B7 五、發明說明（/3> ) 性，即可進行多重彩色及全彩顯示，且不需使用任何彩色 濾光器（Color Filter)即可獲致彩色顯示效果。而利用偏極 分光片可使顯示圖案之光線壳度均勻化，增加顯示背景摩頁 色亮度及圖案對比度，提升顯示的品質。 使用延遲片可改變威不光譜’以及不同色光之穿透率 與外加電壓的變化關係，並展現出可以變化色彩之特性， 達到彩色顯示之目的，並可呈現不同的背景顏色；而不加 入延遲片，則可以簡化製程、降低製作成本及提高顯示顏 色鮮墜度，製作出物美價廉之彩色顯示器。應用本發明之 彩色液晶顯示器，每個單一像素即可顯示多重彩色，因此 具有高解析度。若將數個像素組合成像素單元，利用混色 效果，則可以提高其所能顯示顏色之數目，並可呈現出全 彩之多階光譜。由於不需使用外部光學元件，所以可降低 製程之複雜性及所需之成本，並且可提升製程之良率。 本發明可應用於各種不同的顯示器，藉由調整偏光片 及偏極分光片之偏光軸方向、延遲片折射率異向性與厚度 之乘積Δη·ο1(ΡΗ)以及液晶折射率異向性與厚度之乘積 △ n*d(LC)等光學參數，可以製作出適用於不同用途之顯示 器’例如：正型（P〇sU1Ve)液晶顯示器可以呈現白色或淺色 η景’適用於半透式或反射式液晶顯示器，因其較爲省電， 故可應用於手提電腦、個人數位助理（personal Digit Assistant，PDA)、全球定位系統（Global p0Sltl0ning System, GPS)、行動電話(Mobile Phone)及其他消耗性電子產品等。 而且調整前述之光學參數還可獲致呈現多種背景顏色的效 - — — — — ΙΙΙΙΓ — ·1111111 ^ 11111111 (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 本紙張尺度適用中國國家標準(CNS)A4規格（210 X 297公楚） 576939 4 (S 3 01 vv 1'. d 〇 c / 0 Ο 6 Α7 Β7 五、發明說明（~) 果，例如白色、紅色、黑色、綠色、藍色等。此外，還可 以應用於具有不同導通率（Duty)( 1/8〜1/160)的液晶顯示器。 雖然本發明已以較佳實施例揭露如上，然其並非用以 限定本發明，任何熟習此技藝者，在不脫離本發明之精神 和範圍內，當可作各種之更動與潤飾，因此本發明之保護 範圍當視後附之申請專利範圍所界定者爲準。 — — — IJIIIII — I --------^ « — — — — — — I— (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 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐）-L 576939 A7 B7 483 〇t νν Γ.doc / 〇〇6 V. Description of the invention (9) Element 200, the structure includes a first glass substrate 204a and a second glass substrate 204b arranged in parallel, and a LCD 202. The first transparent electrode 206a and the second transparent electrode 206b are respectively disposed between the first glass substrate 204a and the liquid crystal 202, the second glass substrate 204b and the liquid crystal 202, and a third surface 208c and a second surface located inside the first glass substrate 204a. A fourth surface 208d on the inside of the glass substrate 204b. The first surface 208a and the second surface 208b of the liquid crystal cell 200 are the first surface 208a of the first glass substrate 204a and the second surface 208b of the second glass substrate 204b. A polarizer 210 is disposed on the first surface 208a of the liquid crystal cell 200, and is optically coupled to the liquid crystal cell 200. The polarizing beam splitter 212 is mounted on the second surface 208 b of the liquid crystal cell 200. As mentioned above, the material of the liquid crystal 202 in FIG. 2A is, for example, twisted nematic liquid crystal (TN) and super twisted nematic liquid crystal (STN), and the materials of the transparent electrodes 206a and 206b include indium tin oxide (ITO). Moreover, the transparent electrode is also connected to and with an external power supply and control unit (not shown in the figure). Therefore, the liquid crystal cell is, for example, a twisted nematic liquid crystal cell or a super-twisted nematic liquid crystal cell, and also includes an electric field controlled birefringent liquid crystal cell. The material of the polarizer 210 includes a polymer material and the like; and the polarizing beam splitter 212 is, for example, formed by stacking optical film materials with different refractive indexes alternately, or a transflective display film (TDF) of 3M Company, for example. ) 3MTM Transflective Display Film (TDF) can distinguish different polarization components in the incident light, so that part of the incident light is reflected by the polarizing beam splitter, while the other part penetrates the polarizing beam splitter. In addition, 'neutral density is arranged on the outer surface of the polarizing beam splitter 212. This paper size is applicable to China National Standard (CNS) A4 (210 X 297 cm) ------ J --- 1--pack ( Please read the precautions on the back before filling this page) ---- Order ---- Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 576939 4 8 3 01 \ ν Γ · d ο c / O Ο 6 1 —_____ Β7 ___ V. Description of the invention (P) (Please read the notes on the back before filling this page) The filter 214, which is optically coupled to the polarizing beam splitter 212, can reduce the intensity of the passing light, and its transmittance is about 20 % To 50%, and the neutral-density furnace light sheet 214 may be laminated with the polarizing beam splitter sheet 212 to form a polarizing beam splitting sheet 216. A light source 230, such as a backlight element, can be further disposed outside the neutral density filter 214. Therefore, this embodiment can be applied to a transflective liquid crystal display. Similar to the first embodiment, please refer to FIG. 2B. The main components are similar to FIG. 2A. The same elements as in FIG. 2A are assigned the same reference numerals, including the liquid crystal cell 200, the polarizer 210, the polarizing beam splitter 212, And a neutral density filter 214. In addition, a delay plate 218 is further provided between the liquid crystal cell 200 and the polarizer 210, and is optically coupled to the liquid crystal cell 200 and the polarizer 210, respectively. Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs, please refer to Figures 2A and 2B. Using the color liquid crystal display device of this embodiment, when the incident light 220 passes through the polarizer 210 and the retarder 218 from the outside, and penetrates When the liquid crystal cell 210 is incident on the polarizing beam splitter 216, the incident light 220 is split by the polarizing beam splitter 212, and the first polarization component 220a in the incident light 220 is reflected to form a reflected light 220a having a first polarization direction 222a. The second polarization component 22b in the incident light 220 passes through the polarizing beam splitter 212 to form the transmitted light 220b, and the intensity is reduced by the neutral density filter 214. The polarization direction of the transmitted light 220b is Is the second polarization direction 222b, and the first polarization direction 222a and the second polarization direction 222b are perpendicular to each other. When the light source 230 of this embodiment is used for display, the emitted light 240 is generated by the light source 230, and passes through the polarized light reducing film 216, the liquid crystal early 200, and the paper size applies the Chinese National Standard (CNS) A4 specification (210 X 297 mm) 576939 4 8 3 01 \ v I ', d 〇c / 0 0 6 A7 B7 V. Description of the invention (/ ί) (Please read the precautions on the back before filling this page) Delay film 218 and polarizer After 210, transmitted light 240a is formed for display. When the emitted light 240 is incident on the polarizing beam splitter 212, the third polarization component 240a having the third polarization direction 242a in the emitted light 240 can penetrate the polarizing beam splitter 212 due to the spectroscopic effect of the polarizing beam splitter 212. The remaining polarization components cannot be transmitted out, and the emitted light 240 is polarized, and the third polarization direction 242a is the same as the second polarization direction 222b, and is perpendicular to the first polarization direction 222a. It can be seen from the figure that the reflected light 220a and the transmitted light 240a, which can be used to display the pattern, have polarization directions (222a and 242a) perpendicular to each other. Therefore, when the light source 230 is used to perform a color pattern display in a transmissive manner, the pattern color displayed and the color displayed by the reflection method are complementary colors. The same as the first embodiment, this embodiment is also a complex method using liquid crystal. Refraction, changing the polar state and polarization direction of incident light, such as making the incident light linearly polarized, circularly polarized, or elliptically polarized, and reflecting or passing through the liquid crystal according to the optical rotation of the incident light. Dispersion, scattering, interference, etc. can also occur in incident light. The operation mode of this embodiment printed by the employee's consumer cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs is similar to the first embodiment. The electric field controlled birefringence (ECB) method is used to change the voltage applied to the transparent electrodes 206a and 206b, so that the liquid crystal in the liquid crystal 202 The molecules are affected by the electric field to change their molecular arrangement and the characteristics of the liquid crystal, and change the polarization state of the light in the liquid crystal 202. Controlling the applied voltage to make it change continuously can cause different wavelengths of light to produce polarized state changes and display various colors for multi-color display. By changing the applied voltage and using a pixel unit composed of several pixels, the color mixing effect can be used to achieve the purpose of full-color display. And to make this paper size applicable to the Chinese National Standard (CNS) A4 specification (210 X 297 mm) 576939 A7 B7 4 < S3〇tw r.doc / 〇〇6 5. Description of the invention (α) using a retarder 218, then The display spectrum of the liquid crystal display can be changed. In addition, by adjusting the directions of the absorption axes of the polarizing plate 210 and the polarizing beam splitter 212, the background color displayed on the liquid crystal display can be changed. The direction of the absorption axis of the polarizing beam splitter 212, that is, the second polarization direction 222b of the penetrating light 22b of the polarizing beam splitter 212. By adjusting optical parameters such as the product of the refractive index anisotropy and thickness of the liquid crystal An * d (LC), the absorption axis direction of the polarizing plate 210 and the absorption axis direction of the polarizing beam splitter, multi-color and full-color displays can be achieved. purpose. By adjusting the product of the refractive index anisotropy and thickness of the retardation plate 218 Δη · ο1 (PΗ) and adjusting the aforementioned optical parameters, the purpose of displaying different colors can be achieved. The color liquid crystal display device to which the present invention is applied is a polarizing beam splitter having the functions of a polarizing plate and a reflecting plate. It is formed by stacking high refractive index and low refractive index optical materials alternately, and has a multilayer and uniform structure. When the pattern is displayed in a reflective manner, the polarizing beam splitter can reflect components with a specific polarization direction in the incident light to display the pattern, and the remaining light can penetrate the polarizing beam splitter and be absorbed by the interrupter, or by the medium. The sexual density filter reduces its intensity; when the backlight is used for transmission display, after the emitted light is emitted from the light source, it is polarized by a polarizing beam splitter, so that the transmitted light used to display the pattern has a specific polarization direction. Therefore, the uniformity of the reflected light and the transmitted light of the display pattern can be increased, the brightness of the display background color and the contrast of the display pattern can be improved to improve the display quality. It can be known from the above-mentioned preferred embodiments of the present invention that the color liquid crystal display device of the present invention can use a twisted nematic liquid crystal or a super-twisted nematic liquid crystal, and modulate the birefringence characteristics of the liquid crystal cell in an active way of controlling the birefringence of the electric field. This paper size is in accordance with China National Standard (CNS) A4 (210 X 297 mm) (Please read the precautions on the back before filling this page) ϋ ϋ ϋ ϋ ϋ 口 口, I · ϋ ϋ emmmm 1 ϋ ϋ I. Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs 576939 4 8 3 01 w Γ d oc / 0 0 6 A7 B7 V. Description of the invention (/ 3 >), multi-color and full-color display can be performed without Need to use any color filter (Color Filter) to achieve color display effect. The use of polarizing beam splitters can make the light shell of the display pattern uniform, increase the brightness of the display background and the contrast of the pattern, and improve the display quality. The use of a retarder can change the spectrum of the Weibu spectrum and the relationship between the transmittance of different colored light and the applied voltage, and it can show the characteristics that can change the color, achieve the purpose of color display, and can display different background colors; no delay is added Film, it can simplify the manufacturing process, reduce the production cost and increase the degree of freshness of the display color, and produce an inexpensive color display. With the color liquid crystal display of the present invention, each single pixel can display multiple colors, so it has high resolution. If several pixels are combined into a pixel unit and the color mixing effect is used, the number of colors that can be displayed can be increased, and a full-color multi-level spectrum can be presented. Since no external optical components are required, the complexity and cost of the process can be reduced, and the yield of the process can be improved. The present invention can be applied to various different displays. By adjusting the polarization axis direction of a polarizer and a polarizing beam splitter, the product of the refractive index anisotropy of the retarder and the thickness Δη · ο1 (ΡΗ) and the refractive index anisotropy of the liquid crystal and The product of thickness △ n * d (LC) and other optical parameters can be used to make displays suitable for different uses. For example, the positive type (PosU1Ve) liquid crystal display can show white or light color η scene. It is suitable for semi-transparent or Reflective LCD, because it saves power, can be used in laptops, personal digital assistants (PDAs), global positioning systems (Global p0Sltl0ning System, GPS), mobile phones (Mobile Phone) and other consumption Sex electronics, etc. Moreover, adjusting the aforementioned optical parameters can also achieve the effect of showing a variety of background colors-— — — — ΙΙΙΙΓ — · 1111111 ^ 11111111 (Please read the precautions on the back before filling out this page} Printed by the Intellectual Property Bureau of the Ministry of Economic Affairs and Consumer Cooperatives Paper size applies Chinese National Standard (CNS) A4 specification (210 X 297 Gongchu) 576939 4 (S 3 01 vv 1 '. D 〇c / 0 Ο 6 Α7 Β7 V. Description of the invention (~) Fruits, such as white, red , Black, green, blue, etc. In addition, it can also be applied to liquid crystal displays with different continuities (Duty) (1/8 ~ 1/160). Although the present invention has been disclosed as above with preferred embodiments, it is not To limit the present invention, anyone skilled in the art can make various modifications and retouching without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention shall be defined by the scope of the attached patent — — — IJIIIII — I -------- ^ «— — — — — — — I— (Please read the notes on the back before filling out this page) Printed by the Intellectual Property Bureau Staff Consumer Cooperatives, Ministry of Economic Affairs Paper rule Applicable Chinese National Standard (CNS) A4 size (210 X 297 mm)