12273581227358
•本發明係有關於一種前光源式液晶顯示器之裝置及其 製作方法，特別是有關於一種可改善顯示區暗區現象的前 光源式液晶顯示器之裝置及其製作方法。 先前技術 液晶顯不器被廣泛用於電子計算機（electrical calculator)、個人數位助理（pj)A)、電子字典 (electrical dictionary)、電子書（eiectricai book)等 可攜帶式電子產品（p0rtable electrical products)，目 則液晶顯示器在周圍環境光照度不足的情況下，需要光源 以利訊息顯示於液晶顯示面板。目前光源主要分為兩種： (1)前光源式以及（2)背光源式。 參閱第la和lb圖。第ia圖為目前市面上可見之一種前 光源式液晶顯示器1 〇之剖面圖，第丨b圖則為其内部結構之 上視圖。 如第1 a圖所示，一種習知之前光源式液晶顯示器1 〇包 括液晶面板1〇2、第一殼體104，保護膜106，導光板112， 反射片114 ’光源116，以及第二殼體118。其中，光源116 為反射片114包覆且與導光板112鄰接，反射片114與第一 殼體104鄰接，液晶面板1〇2與第二殼體118鄰接後，第二 殼體118再與第一殼體104卡合，最後，將保護膜106與第 一殼體204鄰接。 如第1 b圖，前光源式液晶顯示器丨0係利用特殊的導光The present invention relates to a front light source type liquid crystal display device and a manufacturing method thereof, and particularly to a front light source type liquid crystal display device and a manufacturing method thereof capable of improving a dark area phenomenon in a display area. Prior art liquid crystal displays were widely used in portable electronic products (p0rtable electrical products) such as electrical calculators, personal digital assistants (pj) A), electronic dictionaries, and eiectricai books. Therefore, under the circumstance that the ambient light of the liquid crystal display is insufficient, a light source is required to display the information on the liquid crystal display panel. At present, there are mainly two types of light sources: (1) front light source type and (2) backlight source type. See Figures la and lb. Figure ia is a cross-sectional view of a front light source type liquid crystal display 10 currently available on the market, and Figure 丨 b is a top view of its internal structure. As shown in FIG. 1a, a conventional light source type liquid crystal display 10 includes a liquid crystal panel 102, a first case 104, a protective film 106, a light guide plate 112, a reflection sheet 114, a light source 116, and a second case.体 118. The light source 116 is covered by the reflection sheet 114 and is adjacent to the light guide plate 112. The reflection sheet 114 is adjacent to the first casing 104. After the liquid crystal panel 102 is adjacent to the second casing 118, the second casing 118 is then A casing 104 is engaged, and finally, the protective film 106 is adjacent to the first casing 204. As shown in Figure 1b, the front light source type LCD display 丨 0 uses a special light guide
〇77-8655TWFl(Nl).ptc 第5頁 1227358〇77-8655TWFl (Nl) .ptc Page 5 1227358
Ϊ穿H?lde plate)112 ’該導光板112可使外圍環境 ^ 攻Ba面板1 02 (未顯示）’亦可將位於導光板11 2 2的光源116發出的光導引反射至液晶面板1〇2，但由於 12之效率不高’使得所產生的光源能量損失，造 ^費，此將造成電池需要時常充電的困擾。而且因光源 X出的，在經導光板112的反射及折射後，不易傳送到 ^板112逖離光源116的一端u 2a，因而造成顯示器在遠 離$源處的亮度較差’纟易有暗區的現象產生，而導致顯 不裔發光的均勻性不佳等問題。 發明内容 ，本發明的目的即在提出 光源式液晶顯示器之裝置 有鑑於此，為解決上述問題 種可改善顯示區暗區現象的前 及其製作方法。 器 為達成上述目的， 之裝置及其製作方法 本發明提出一種前光源式液晶顯示 本發明所提出前光源式液晶顯示器之裝一 晶面板，其呈有一箆一而 _ τ ^ ^ 、☆锋 '有弟面’一前光源設置於液晶面板之鄰 面之一側，以及一導光板鄰接於前光源，且導光板 I =板，具有一上表面及一下表面，在遠離前光源之〆 、具^ 一斜切面，且斜切面之法向量與液晶面板第一面之 法向量所夹角度為鈍角。 本發明所提出前光源式液晶顯示器之製作方法，其步 驟包括.提供一液晶面板；提供一前光源；以及設置一導 1227358 曰 案號 92102960 五、發明說明（3) 光板鄰接於上述前光源，此導光板為一 面及一下表面，在遠離上述前光源之一端呈古具有一上表 且此斜切面之法向量與液晶面板第一 、有—斜切面， 為鈍角。 之法向量所夾角度 本發明所提出改善前光源式液晶顯示 法，包括：提供一液晶面板；提供一線性前^暗區的方 置一導光板鄰接於上述線性前光源，此 源；以及設 具有一上表面及-下表®’在遠離上述前光二平板， 一斜切面’且此斜切面之法向量與液晶第端具有 射板。 於斜切面之切面黏貼有一反 本發明提出之於前光源式液 方法以及改善前光源式液晶顯示器之$區^ i置及其製作 藉具有斜切面的導光板，利 a °° 、方法，其主要 線進行更有效率的折Ή::斜”於遠離光源端對光 進而改善顯：器整體亮度的均勻：離先源端的亮度’ 改善之聚置及其製作方法以及 法向量與液晶面板第一 7方法中，其中斜切面之 介於90〜180。之門W之法向置所夾角度並無限制，可 爻間，較佳為呈135。 。 Γ 在上述别光源式液晶 改善前光源式液晶sg + % &為之裝置及其製作方法以及 面之切面上可進:;員=之暗區的方法中，其中於該斜切 效。 進步黏貼反射板，以提升反射光線的能 077-8655TWFl(Nl).ptc 1227358 月 曰 案號_ 92102⑽η 五、發明說明（4) 貫施方式 m:明之上述和其他目的、特徵、和 如;文特舉二較佳實施例’並配合所附圖示4 示器Κί:Γ:Λ第3;說明ί!明之前光源式液晶顯 Μ ，、1作方法，其中該前光源可為管形燈營 是點狀燈(spot-shaped) ’例如冷陰極螢 i 之材質為具有高透明度的材 計，例如用射先能力’可於其上進行各種光學設 的、凹的刷、滾壓等方法於表面形成各種凸 ^ ^ t μ, Λ.Τ ^ ^ ^ ^ 氧化鈦或是硫酸鋇， ，如二 屬層，如銀或鋁等。次了在其上塗佈一層可反射光的金 實施例1 源式；i: m 0，第2圖係顯示本發明第-實施例之前光 只丁 M0之剖面圖。 依本發明 供一液晶面板202U源^式+液晶顯示器之製作方法，首先提 體218鄰接之面為繁一破體218上，並定義其不與第二殼 形成有-第-二=光;保護觸，其上 J先源216，並於前光源216外 077-8655TWF1(N1).ptc 第8頁 1227358 ---Ά 921Q29R0 年月日 倏壬 · 五、發明說明（5) ^ " 圍以反射片214包圍，用以反射由光源216散射出的光線， 提高光的使用效率；以及設置一導光板212鄰接於上述前 光源216 ’導光板212為一平板，具有一上表面212a及一下 表面212b，並在遠離前光源2 16之一端具有一斜切面 212c ’斜切面21 2c鄰接上表面2 12a及下表面212b，且斜切 面21 2c之法向量X與液晶面板第一面20 2a之法向量^所夾角 度為鈍角0。斜切面之法向量X與第一面2〇 2a之法向量乂所 夾角度0並無限制，可介於9 〇〜1 8 0。之間，較佳為呈j 3 5 ’最後組合上述苐二殼體218及保護膜206，便完成一前 光源式液晶顯示器2 0。 如第2圖所示，本發明第一實施例之前光源式液晶顯 示器20包括一液晶面板2〇2，一第一殼體204，一保護膜 2 0 6，一導光板212，一反射片214、220，一背光源216， 一第二殼體218。 其中導光板212鄰接於上述前光源216，導光板212為 一平板，具有一上表面212a及一下表面212b，在遠離前光 源216之一端具有一斜切面212c，斜切面212c鄰接上表面 212a及下表面212b，且斜切面之法向量x與液晶面板第一 面202a之法向量7所夾角度為135。。另外於斜切面21託之 切面可進一步黏貼一反射板，以提升反射光線的能效。 本實施例中，藉由利用具有斜切面2 1 2 c之導光板 2 1 2，使光線於遠離光源處獲得較多的反射光，可彌補以 在製程中顯示器產生暗區的缺陷，提升顯示器亮度的均句 性，並提升原本暗區亮度達1. 5倍。(Through H? Lde plate) 112 'The light guide plate 112 can make the surrounding environment ^ attack Ba panel 1 02 (not shown)' can also reflect the light from the light source 116 located on the light guide plate 11 2 2 to the liquid crystal panel 1 〇2, but because the efficiency of 12 is not high, the energy of the generated light source is lost, and the cost is high. This will cause the battery to be charged frequently. Moreover, after being reflected and refracted by the light guide plate 112, the light source X is not easy to transmit to the end 112a of the light plate 116 away from the light source 116, thus causing the display to have poor brightness far from the source. The phenomenon occurs, which leads to problems such as poor uniformity of luminescence. SUMMARY OF THE INVENTION The object of the present invention is to propose a light source type liquid crystal display device. In view of this, in order to solve the above problems, a method for improving the phenomenon of dark areas in the display area and a method for manufacturing the same can be provided. In order to achieve the above-mentioned object, a device and a method for manufacturing the same The present invention provides a front light source type liquid crystal display The present invention provides a front light source type liquid crystal display device equipped with a crystal panel, which presents a 而 τ τ ^ ^, ☆ 锋 ' Youdi 'a front light source is disposed on one side of the adjacent surface of the LCD panel, and a light guide plate is adjacent to the front light source, and the light guide plate I = plate has an upper surface and a lower surface. ^ An oblique plane, and the angle between the normal vector of the oblique plane and the normal vector of the first surface of the LCD panel is an obtuse angle. The method for manufacturing a front light source type liquid crystal display provided by the present invention includes the steps of: providing a liquid crystal panel; providing a front light source; and providing a guide 1227358 (case number 92102960) V. Description of the invention (3) The light plate is adjacent to the front light source, The light guide plate has one surface and one lower surface. At one end far from the front light source, there is an ancient surface with an upper surface and a normal vector of the oblique plane and the first and oblique plane of the liquid crystal panel, which are obtuse angles. The angle between the normal vectors The improved front light source type liquid crystal display method provided by the present invention includes: providing a liquid crystal panel; a square light guide plate provided with a linear front region and a dark area adjacent to the linear front light source; It has an upper surface and-the following table ® 'a plane away from the front two flat plates, an oblique plane', and the normal vector of this oblique plane and the first end of the liquid crystal have a radiation plate. The cut surface of the oblique cut surface is pasted with a method for improving the front light source type liquid crystal display and the improvement of the front light source type liquid crystal display according to the present invention. The main line is more efficiently folded :: obliquely away from the light source to face the light to improve the display: the overall brightness of the device is uniform: the brightness from the source is improved and its manufacturing method and the normal vector and the LCD panel In the seventh method, the angle of the oblique cut plane is between 90 and 180. The angle between the normal orientation of the door W is not limited, and may be between 135 and 135. Γ In the above-mentioned other light source type liquid crystal, the front light source is improved. The liquid crystal sg +% & device and the manufacturing method thereof and the cut surface of the face can be entered: the method of the dark area of the member =, in which the oblique cutting effect. Improve the adhesion of reflective plates to improve the energy of reflected light 077-8655TWFl (Nl) .ptc 1227358 month number _ 92102⑽η V. Description of the invention (4) Implementation mode m: the above and other purposes, features, and examples of the above; and the second preferred embodiment of the present invention, and cooperate with Brief description of the drawings: 4 indicator Kί: Γ: Λ 第 3; Description Before the Ming Dynasty, the light source type liquid crystal display M1, 1 method, wherein the front light source may be a tube-shaped lamp camp is a spot-shaped lamp (for example, the material of the cold cathode fluorescent i is a material with high transparency, For example, using the shot advance capability, various optical settings, concave brushes, rolling, etc. can be used to form various convexities on the surface ^ ^ t μ, Λ.Τ ^ ^ ^ ^ titanium oxide or barium sulfate, such as Two metal layers, such as silver or aluminum. Secondly, a layer of gold that can reflect light is coated on it. Example 1 Source formula; i: m 0, Figure 2 shows the light-emitting M0 before the first embodiment of the present invention. According to the present invention, a manufacturing method for a liquid crystal panel 202U source type + liquid crystal display, firstly, the surface adjacent to the lifting body 218 is a complex broken body 218, and it is defined that it is not formed with the second shell. Two = light; protective touch, J first source 216, and outside the front light source 216 077-8655TWF1 (N1) .ptc page 8 1227358 --- Ά 921Q29R ^ " Surrounded by a reflecting sheet 214 to reflect the light scattered by the light source 216 to improve the efficiency of using the light; and a light guide plate 212 is provided Adjacent to the above-mentioned front light source 216 'the light guide plate 212 is a flat plate having an upper surface 212a and a lower surface 212b, and at one end remote from the front light source 2 16 has a chamfered surface 212c' chamfered surface 21 2c adjoins the upper surface 2 12a and the lower Surface 212b, and the normal vector X of the chamfered surface 21 2c and the normal vector ^ of the first surface 20 2a of the liquid crystal panel are at an obtuse angle 0. The normal vector X of the oblique surface and the normal vector 乂 of the first surface 202a are sandwiched. The angle 0 is not limited, and may be between 90 and 180. In between, it is preferable to use j 3 5 ′ and finally combine the second housing 218 and the protective film 206 to complete a front light source type liquid crystal display 20. As shown in FIG. 2, the light source type liquid crystal display 20 before the first embodiment of the present invention includes a liquid crystal panel 202, a first housing 204, a protective film 206, a light guide plate 212, and a reflection sheet 214. 220, a backlight source 216, and a second casing 218. The light guide plate 212 is adjacent to the aforementioned front light source 216. The light guide plate 212 is a flat plate having an upper surface 212a and a lower surface 212b, and an inclined surface 212c is provided at one end far from the front light source 216, and the inclined surface 212c is adjacent to the upper surface 212a and the lower surface. The surface 212b, and the angle between the normal vector x of the oblique plane and the normal vector 7 of the first surface 202a of the liquid crystal panel is 135. . In addition, a reflecting plate can be further pasted on the cut surface of the inclined cutting surface 21 to improve the energy efficiency of the reflected light. In this embodiment, by using the light guide plate 2 1 2 with a chamfered surface 2 1 2 c, the light can get more reflected light away from the light source, which can make up for the defect of the dark area of the display during the manufacturing process and improve the display. 5 倍。 Uniformity of brightness, and enhance the original dark area brightness up to 1.5 times.
077-8655TWFl(Nl).ptc 第9頁 1227358 修正 ^^_921〇2960 五、發明說明（6) 實施例2 、凊參閱第3圖’第3圖係顯示本發明第一實施例之前光 源式液晶顯示器3 〇之剖面圖。 依本發明之前光源式液晶顯示器之製作方法，首先提 供一液晶面板3〇2於第二殼體318上，並定義其不與第二殼 體318鄰接之面為第一面3〇2a ;再提供一保護膜3〇6，其上 形成有一第—殼體3〇4、一前光源316，並於前光源316外 ，以反射片314包圍，用以反射由光源316散射出的光線， 提高光的使用效率；以及設置一導光板312鄰接於上述前 光源316，導光板312為一平板，具有一上表面及一下 表，並在遠離前光源316之一端具有一斜切面3i2c ^ Aqt一面3l2d，此第二面312d之法向量2與液晶面板第 ^面30 2a之法向量y垂直，且鄰接上述上表面312&及斜切 = = 2斜切面312c鄰接上述第二面”^及下表面 旦拼斜+切面31仏之法向量X與液晶面板第一面3〇23之 :二了之Λ角曰度"鈍角。斜切面312c之法向X量與第- Γρ 所失角度0並無限制，可介於90〜18〇。 之間，杈佳為呈135。；最後組合 膜3。6’，完成一前光源式液晶顯示器3〇，又體318及保羞 如第3圖所示’本發明第一實施例之前光源式液 不器30包括—液晶面板3 02，一第一殼體304，一保，， 膜3〇6 ’ 一導光板312，一反射片川、32〇， 光听 316，一第二殼體318。 亦九/原、 077-8655TWFl(Nl).ptc 第10頁 1227358 ___案號 92102960_ 年 貝 曰 修正 ， 五、發明說明（7) 其中導光板312鄰接於上述前光源316，導光板312為 一平板，具有一上表面31 2a及一下表面312b，在遠離前光 源316之一端具有一斜切面312c及一第二面3i2d，此第二 面31 2d之法向量z與液晶面板第一面3〇2a之法向量y垂直， 且鄰接上述上表面312a及斜切面312c，而斜切面312c鄰接 上述第二面312d及下表面312b，且斜切面之法向量X與液 晶面板第一面之法向量丫所夾角度0為135。。另外斜切面 312c之切面端可進一步黏貼有一反射板，以提升反射光線 的能效。 本實施例中，藉由利用具有一斜切面之導光板，使光 線於遠離光源處獲得起、$ &只至 一 于华乂夕的反射先’可彌補以往製程中顯 不器產生暗區的缺陷，接41*届S - ηα -λ-,, 曰提升顯不态焭度的均勻性，並提升 原本暗區亮度達1· 5倍。 J j庄工权开 雖r、、;、本卷明已以較佳實施例揭露如上， 限定本發明，任何孰習屮姑蓺土 ^ 並非用以 .r ^ ^ ^ 熟&此技藝者，在不脫離本發明之精神 和粑圍内，當可作些許之更動與潤飾，因此： 範圍當視後附之申請專利範圍所界定者為準蔓077-8655TWFl (Nl) .ptc Page 9 1227358 Modification ^^ _ 921〇2960 V. Description of the invention (6) Embodiment 2 凊 Refer to FIG. 3 ′ FIG. 3 shows a light source type liquid crystal before the first embodiment of the present invention Sectional view of display 30. According to the manufacturing method of the light source type liquid crystal display according to the present invention, first, a liquid crystal panel 302 is provided on the second casing 318, and a surface that is not adjacent to the second casing 318 is defined as a first surface 3202; A protective film 3006 is provided, on which is formed a first-housing 304, a front light source 316, and is surrounded by the reflection sheet 314 outside the front light source 316 to reflect the light scattered by the light source 316 to improve Light use efficiency; and a light guide plate 312 adjacent to the front light source 316 is provided, the light guide plate 312 is a flat plate, has an upper surface and a lower surface, and has a chamfered surface 3i2c ^ Aqt side 3l2d at one end away from the front light source 316 The normal vector 2 of the second surface 312d is perpendicular to the normal vector y of the second surface 30 2a of the liquid crystal panel, and is adjacent to the upper surface 312 & and the chamfered == 2 the chamfered surface 312c is adjacent to the second surface. Once the normal vector X of the oblique + cut plane 31 仏 and the first side of the liquid crystal panel 3023: the angle Λ of the second angle " obtuse angle. The amount of the normal X of the oblique plane 312c and the angle of the -Γρ missing angle 0 Unlimited, can be between 90 ~ 18. The best is 135. The final combination 3.6 ', complete a front light source type liquid crystal display 30, body 318 and shame as shown in FIG. 3' The light source type liquid filter 30 before the first embodiment of the present invention includes-a liquid crystal panel 302, a first A case 304, a guarantee, a film 306 ', a light guide plate 312, a reflection sheet, 32, optical listening 316, and a second case 318. Also nine / original, 077-8655TWFl (Nl). ptc Page 10 1227358 ___ Case No. 92102960_ Year of the Amendment, V. Description of the Invention (7) The light guide plate 312 is adjacent to the front light source 316, and the light guide plate 312 is a flat plate with an upper surface 31 2a and a lower surface 312b. A chamfered surface 312c and a second surface 3i2d are provided at one end far from the front light source 316. A normal vector z of the second surface 31 2d is perpendicular to the normal vector y of the first surface 302a of the liquid crystal panel and is adjacent to the upper surface. 312a and chamfered surface 312c, and the chamfered surface 312c is adjacent to the second surface 312d and the lower surface 312b, and the angle 0 between the normal vector X of the chamfered surface and the normal vector ya of the first surface of the LCD panel is 135. In addition, the chamfered surface 312c A cutting plate can be further pasted on the cut end to improve the energy efficiency of the reflected light. In the embodiment, by using a light guide plate with a chamfered surface, the light is obtained far away from the light source, and only as long as the reflection of the Huaxian Xi 'can compensate for the dark area of the display in the previous process. Defects, then 41 * sessions of S-ηα -λ- ,, said to improve the uniformity of the apparent morphology and increase the original dark area brightness by 1.5 times. J j Zhuang Gongquan Kai Although r ,,;, the Juan Ming has disclosed the above with a preferred embodiment to limit the present invention. Any practice of 屮 屮 屮 ^ is not used. R ^ ^ ^ familiar & this artist, without departing from the spirit and scope of the present invention, should Make a few changes and retouches, so: The scope should be determined by the scope of the attached patent application.
077-8655TWFl(Nl).ptc 第11頁 1227358 _案號92102960_年月日___ 圖式簡單說明 第1 a圖係表示一種習知的前光源式液晶顯示器剖面 圖； 第1 b圖係第1 a圖中前光源式液晶顯示器内部結構之上 視圖， 第2圖係顯示本發明第一實施例之前光源式液晶顯示 器之剖面圖； 第3圖係顯示本發明第二實施例之前光源式液晶顯示 器之剖面圖。 符號說明： 1 0〜習知之前光源式液晶顯示器； 2 0、3 0〜本發明之前光源式液晶顯示器； I 0 2、2 0 2、3 0 2〜液晶面板； 202a、302a〜液晶面板第一面； 104、20 4、30 4〜第一殼體； 106、20 6、3 0 6〜保護膜； II 2、2 1 2、3 1 2〜導光板； 21 2a、312a〜導光板上表面； 21 2b、312b〜導光板下表面； 21 2c、312c〜導光板斜切面； 31 2d〜導光板第二面； 11 2a〜導光板之遠離光源區； 114、214、22 0、314、320 〜反射片； 11 6、2 1 6、3 1 6〜前光源；077-8655TWFl (Nl) .ptc Page 11 1227358 _Case No. 92102960_ Month and Day ___ Brief Description of Drawings Figure 1a is a cross-sectional view of a conventional front light source type liquid crystal display; Figure 1b is the first 1 a is a top view of the internal structure of a front light source type liquid crystal display, and FIG. 2 is a cross-sectional view showing a light source type liquid crystal display before the first embodiment of the present invention; FIG. 3 is a light source type liquid crystal display before the second embodiment of the present invention Sectional view of the display. Explanation of symbols: 10 ~ 30 before the conventional light source type liquid crystal display; 20, 30 ~~ the former light source type liquid crystal display of the present invention; I 0 2, 2 0 2, 3 0 2 ~ liquid crystal panel; 202a, 302a ~ liquid crystal panel One side; 104, 20 4, 30 4 ~ first case; 106, 20 6, 3 06 ~ protective film; II 2, 2 1 2, 3 1 2 ~ light guide plate; 21 2a, 312a ~ light guide plate 21 2b, 312b ~ lower surface of light guide plate; 21 2c, 312c ~ beveled surface of light guide plate; 31 2d ~ second surface of light guide plate; 11 2a ~ light guide plate away from light source area; 114, 214, 22 0, 314, 320 ~ reflection sheet; 11 6, 2 1 6, 3 1 6 ~ front light source;
077-8655TWFl(Nl).ptc 第12頁 1227358 案號 92102960 年月曰 修正 圖式簡單說明 118、218、318〜第二殼體 ΐ^Β 第13頁 077-8655TWFl(Nl).ptc077-8655TWFl (Nl) .ptc Page 12 1227358 Case No. 92102960 Date of correction Amendment to the diagram 118, 218, 318 ~ Second case ΐ ^ Β Page 13 077-8655TWFl (Nl) .ptc