M399335 五、新型說明： 【新型所屬之技術領域】 本創作係關於一種光柵裝置，尤指一種可在不同視角 處產生不同視覺變化效果之光柵裝置。 【先前技術】 目前常見的電控光柵裝置，其構造有二種：其一，為 電控機械式遮蔽裝置，其二則為電控液晶顯示器裝置，前 述一電控光柵裝置的功能，皆係單純的控制光的穿透與遮 蔽等變化型態。 以目前較為常見的電控液晶顯示器裝置為例，其主要 是在兩導電玻璃基板之間設置具有介電異向性的向列相液 曰曰層，在菸中一導電玻璃基板面向列液晶層的側面設置透 :的條紋電極，而另一導電玻璃基板面向列液晶層的側面 «又置連續電極’藉以利用向列液晶層中之液晶分子的黏 :士彈I·生及電偶極性等特性，當該電控光柵裝置無外加電M399335 V. New description: [New technical field] This creation is about a grating device, especially a grating device that can produce different visual changes at different viewing angles. [Prior Art] At present, there are two types of electronically controlled grating devices, one of which is an electronically controlled mechanical shielding device, and the other is an electronically controlled liquid crystal display device, and the functions of the aforementioned electronically controlled grating device are It simply controls the change pattern of light penetration and shadowing. Taking the more common electronically controlled liquid crystal display device as an example, a parallel liquid helium layer having dielectric anisotropy is disposed between two conductive glass substrates, and a conductive glass substrate faces the column liquid crystal layer in the smoke. The side surface is provided with a stripe electrode, and the other conductive glass substrate faces the side surface of the column liquid crystal layer, and the continuous electrode is used to utilize the viscosity of the liquid crystal molecules in the nematic liquid crystal layer: the snail I and the galvanic polarity. Characteristic, when the electronically controlled grating device has no external power
勿卞液明为子方向依配向層定向排列，入射光的偏極性 被排列的液晶分子所改變，i生光程差的變化當電控光 ，裝置外加電場時，液晶分子方向隨外加電場作用而作特 疋向的排列，使入射光的偏極性未被改變，因而無光程 差的變化’上下失設以偏光片便可在光栅裝置的顯示面上 有壳、暗部的對比。 然而’此種光栅裝置應用於如：手錶、鐘錶、看板、 吊飾等產。。口 ’人們在任何視角所看到畫面均會相同，因此 d㈣人們觀視角度的不同而提供特殊視覺變 3 M399335 化效果，在使用上因而受到限制。 【新型内容】 本創作之目的在於提供一種具有多重視覺變化效果的 =裝置’期望藉由此設計，改善現有光柵裝置無法提供 夕重視覺變化效果的缺點。 ▲為S成前揭目#，本創作設計一種具有多重視覺變化 效果的光栅裝置，其包含： 一電控散射型面板，係包含二具有透明導電薄膜的基 板以及被密封於該二基板間的高分子液晶I，所述高分子 $晶層係於具有定向功能之高分子結構中散布多數 子；以及 -透明導光板，其包含複數個區塊，該些區塊各自有 :特定出光方肖，且相鄰區塊具有不同的出光方向，該導 光板有受光側及出光側，該電控散射型面板位於導光板之 出光側。 藉由前述光柵裝置設計，其係利用導光板各區塊各自 具有單—特定^方向，僅允許單—特定方向的光射出， 當光線經過其中—區塊，對[視角而言，無外加電壓時， 各液晶分子間為異方向性’當入射光照 子與定向功能之高分子結構的折射率不匹0己，在：= 面會產生散射’光線無法穿透電控散射型面板，故而呈現 暗部；當外加電壓日夺，液晶分子隨電場方向排列成與透明 基板垂直，搭配單—輯定 特疋出先方向的導光板，此時液晶分 子與定向功能之高分子結構的折射率匹配性增加，入射光 部分散射部分穿透電控散射型面板，穿透的光應用到顯示 4 M399335 器上呈現亮部，因此，第一視角呈現平常黑模式（N〇rmaUy black mode);對第二視角而言，在外加電壓的情況下，光 沿著原來前進的方向穿透過面板至第一視角方向，應用到 .顯示器上呈現暗部。在沒有外加電壓時，因散射型面板呈 現散射狀態，第二視角可見散射出的微弱光線，應用到顯 示器上呈現亮部，使第二視角呈現平常白模式（N〇rmal ly white mode) 〇 又導光板於其與前述區塊相鄰的區塊中，出光方向與 • 前述不同’對第一視角而言呈現平常黑模式，第二視角呈 現平常白模式，第一視角呈現平常白模式時，第二視角可 呈現平常黑模式，因此從不同的視角可看到不同的影像， 藉此可運用在手錶、鐘錶、廣告看板等產品中，使該些產 品可同時呈現不同的畫面給位於不同視角的觀看者。 【實施方式】Do not sputum liquid is oriented in the direction of the alignment layer, the polarization of the incident light is changed by the aligned liquid crystal molecules, and the change of the optical path length of the i-ray is electrically controlled light, and when the electric field is applied to the device, the direction of the liquid crystal molecules acts with an applied electric field. In the special alignment, the polarization of the incident light is not changed, and thus the change of the optical path difference is not changed. The polarizer can be placed on the display surface of the grating device to have a contrast between the shell and the dark portion. However, such a grating device is applied to, for example, watches, watches, kanbans, ornaments, and the like. . The mouths of people see the same picture from any angle of view, so d (four) people provide different visual changes in the viewing angle, which is limited in use. [New content] The purpose of this creation is to provide a device with multiple visual effects that is expected to be designed to improve the existing raster device's inability to provide the effect of changing the visual effect. ▲ For S into the front of the eye #, this design design a multi-vision change effect of the grating device, comprising: an electronically controlled scattering type panel, comprising two substrates with a transparent conductive film and sealed between the two substrates a polymer liquid crystal I, wherein the polymer layer is dispersed in a polymer structure having a directional function; and a transparent light guide plate includes a plurality of blocks, each of which has a specific light-emitting pattern The adjacent blocks have different light-emitting directions, and the light guide plate has a light-receiving side and a light-emitting side, and the electrically-controlled scattering type panel is located on the light-emitting side of the light guide plate. By the foregoing grating device design, each block of the light guide plate has a single-specific ^ direction, and only a single-specific direction of light is allowed to be emitted. When the light passes through the block, the [viewing angle, no applied voltage When the liquid crystal molecules are in an unidirectionality, the refractive index of the polymer structure of the incident illuminator and the directional function is not uniform, and scattering occurs at the surface of the := light cannot penetrate the electronically controlled scattering panel, so In the dark part; when the applied voltage is applied, the liquid crystal molecules are arranged perpendicular to the transparent substrate in the direction of the electric field, and the light guide plate in the first direction is matched with the single-phase, and the refractive index matching of the liquid crystal molecules and the polymer structure of the orientation function is increased. The scattered portion of the incident light penetrates the electronically controlled scattering panel, and the transmitted light is applied to the display 4 M399335 to present a bright portion. Therefore, the first viewing angle exhibits a normal black mode (N〇rmaUy black mode); In the case of an applied voltage, the light penetrates the panel in the direction of the original advancement to the first viewing angle direction, and is applied to the display to present a dark portion. In the absence of an applied voltage, the scattering type panel exhibits a scattering state, and the second viewing angle can be seen to scatter the weak light, which is applied to the display to present a bright portion, so that the second viewing angle exhibits a normal white mode (N〇rmal ly white mode). In the block adjacent to the block, the light guide plate has a light-emitting direction and a different black color pattern for the first angle of view, and a normal white mode for the second angle of view. When the first angle of view is in the normal white mode, The second viewing angle can be displayed in a normal black mode, so different images can be seen from different viewing angles, so that they can be used in watches, watches, billboards, etc., so that the products can simultaneously display different images to different viewing angles. The viewer. [Embodiment]
如圖1及圖2所示者，係揭示本創作具有多重視覺變 化效果的光栅裝置的數種較佳實施例，此光柵裝置係包含 一電控散射型面板1以及一透明的導光板2，該導光板2 有受光側20及出光側21 ’該電控散射型面板彳位於導光板 2之出光側21。在該導光板2之受光側2〇尚可外加一背光 源3(如背光模組或其他發光組件等），因應不同的產品設 計需求。所述的背光源3可為單—顏色光源亦可為不同顏 色光源。 該電控散射型面板1包含二間隔排列的透明基板1〇 , 其一透明基板1〇内側面設有一出光側透明導電薄膜i彳，另 一透明基板10内側面設有一受光側透明導電薄膜12，於該 5 M399335 一透明基板10間高分子液晶層1 3鄰接出光側透明導電薄 膜11與受光側透明導電薄膜12 ’該二透明基板1〇外邊設 有框膠14’藉以將高分子液晶層13圈圍密封於内。所述高 分子液晶層1 3係於具有定向功能之高分子結構1 5中散布 多數液晶分子1 6 ’其中以至少包含有高分子聚合分散液晶 (PDLC)與樹網狀結構的高分子聚合分散液晶（pNLC)兩種 升》式的液晶為佳’所述出光側透明導電薄膜1彳與受光侧導 電薄膜1 2可外接控制電路板’控制電路板連接電源，而能 _ 對電控散射型面板1選擇性外加電壓或不外加電壓。 該導光板2可為平板體亦可為弧曲板體，且所述導光 板2係包含複數個區塊22,該些區塊22之間可形成間隔細 縫加以區隔，亦可相互連接成一體，該些區塊22各自有單 一特定出光方向，且相鄰區塊22具有不同的出光方向。在 該導光板2的一較佳實施例中，該透明導光板2可於其受 光側2◦或出光側21成形有複數排鋸齒狀透明凸部23，該 些複數鋸齒狀透明凸部23各包含有透明斜面23〇以及阻光 0 斜面231，各透明凸部23的阻光斜面231係一特定傾斜方 ' 向的斜面，以塗佈吸收層232的方式來達到阻光效果，以 所述透明凸部23位於受光側20為例，入射光僅能由未塗 佈吸收層232的透明斜面230進入導光板2，且相鄰區塊 22内的凸部23係在不同特定方向斜面上塗佈有吸收層 232，亦即相鄰區塊22允許不同方向的光通過導光板2。 因導光板2有單一特定出光方向性，背光源3的光自 導光板2背面僅能由單一特定方向性進入電控散射型面板 1，對第一視角而言，在沒有外加電壓時，各液晶分子16 6 間為異方向性排列，去氺λ & ndt 。、 _ 田先入射時，液晶分子16與定向功能 之高分子結構15的折射率不匹配，造成光在兩者的介面產 生？射’光線無法穿透電控散射型面板1，從第一視角在顯 不益看到的為暗部，呈現平常黑模式（NQrma||y…以As shown in FIG. 1 and FIG. 2, several preferred embodiments of the grating device having multiple visual change effects are disclosed. The grating device includes an electrically controlled scattering type panel 1 and a transparent light guide plate 2, The light guide plate 2 has a light receiving side 20 and a light exiting side 21'. The electrically controlled scattering type panel is located on the light exiting side 21 of the light guide plate 2. A backlight 3 (such as a backlight module or other light-emitting components) can be added to the light-receiving side 2 of the light guide plate 2 to meet different product design requirements. The backlight 3 can be a single-color source or a different color source. The electronically controlled scattering type panel 1 comprises a transparent substrate 1 间隔 spaced apart, a transparent side transparent conductive film i 设有 is disposed on the inner side of the transparent substrate 1 , and a light-receiving side transparent conductive film 12 is disposed on the inner side of the other transparent substrate 10 . In the 5 M399335 transparent substrate 10, the polymer liquid crystal layer 13 is adjacent to the light-emitting transparent conductive film 11 and the light-receiving side transparent conductive film 12'. The two transparent substrates 1 are provided with a sealant 14' to form a polymer liquid crystal layer. 13 rings are sealed inside. The polymer liquid crystal layer 13 is dispersed in a polymer structure 15 having an orientation function, and a plurality of liquid crystal molecules 16 6 ' are dispersed in a polymer polymerization dispersion containing at least a polymerized dispersed liquid crystal (PDLC) and a tree network structure. Liquid crystal (pNLC) two-type liquid crystal is preferred. The light-emitting side transparent conductive film 1彳 and the light-receiving side conductive film 12 can be connected to a control circuit board to control the circuit board to connect the power supply, and can be electrically-controlled. Panel 1 selectively applies a voltage or does not apply a voltage. The light guide plate 2 may be a flat plate body or an arc plate body, and the light guide plate 2 includes a plurality of blocks 22, and the blocks 22 may be formed with spaced slits to be separated or interconnected. Integral, the blocks 22 each have a single specific light exit direction, and adjacent blocks 22 have different light exit directions. In a preferred embodiment of the light guide plate 2, the transparent light guide plate 2 can be formed with a plurality of rows of serrated transparent protrusions 23 on the light receiving side 2 or the light exiting side 21, and the plurality of zigzag transparent protrusions 23 are respectively The transparent slope 23 〇 and the light blocking 0 slope 231 are included, and the light blocking slope 231 of each transparent protrusion 23 is a slope of a specific inclined direction, and the light absorption effect is achieved by coating the absorption layer 232. For example, the transparent convex portion 23 is located on the light receiving side 20, and the incident light can only enter the light guide plate 2 from the transparent inclined surface 230 of the uncoated absorption layer 232, and the convex portion 23 in the adjacent block 22 is coated on the inclined surface in different specific directions. The absorbing layer 232 is disposed, that is, the adjacent block 22 allows light of different directions to pass through the light guide plate 2. Since the light guide plate 2 has a single specific light directivity, the light of the backlight 3 can enter the electronically controlled scattering type panel 1 from the back side of the light guide plate 2 by a single specific direction. For the first viewing angle, when no voltage is applied, each The liquid crystal molecules 16 6 are arranged in an off-directional direction, and 氺 λ & ndt . _ When the field is incident, the refractive index of the liquid crystal molecule 16 and the polymer structure 15 of the orientation function do not match, causing light to be generated at the interface between the two. The incident light cannot penetrate the electrically controlled scattering type panel 1, and the dark portion from the first viewing angle is obviously seen, showing a normal black mode (NQrma||y...
_e)’當有外加電壓時，液晶分子16隨電場方向排列成 。透明基板10垂直’搭@&單—特定出光方向的導光板2， 此時液晶分子16與定向功能之高分子結構15的折射率匹 、眭^加，大部分的入射光穿透電控散射型面板1，些許部 的入射光散身i ’右應用到顯示器上’從第一視角看到的 為亮部字體或圖形的地方給電、沒有字或圖形的地方 不：電’売、暗對比因此產生，字體或圖形明顯可呈亮態。 對第二視角而言，纟外加電壓的情況下，光沿著原來前進 :方向穿透過電控散射型…至第一視角方向而呈現暗 =°在沒有外加電壓時，因電控散射型面，呈現散射狀 第一視角可見散射出的微弱光線呈現亮部，使第二視 角呈現平常白模式（N_al|y white mode)，因此，在不同 的視角位置會產生不同的視覺變化效果。 ^本創作具有多重視覺變化效果的光柵裝置中，導光板2 藉其相鄰區塊22出光方向不同設計，因此其第一視角呈現 f常黑模式時，第二視角可呈現平常白模式，第一視角呈 現平常白模式時，帛二視角則可呈現平常黑模式因此人 們攸不同的觀視角度位置可看到該光栅裝置呈現不同的影 像f面，藉此可運用在手錶、鐘錶、廣告看板上，使該些 物品可同時呈現不同的畫面給位於不同視角的觀看者，提 供多重不同視覺變化效果。 7 M399335 所述的電控散射型面板1及導光板2之間可進一步増 设一彩色濾光片4或一半透光板5或其結合，其中之彩色 渡光片4位於靠近電控散射型面板1的一側，半透光板5 則位於靠近導光板2的一側，彩色濾光片4及半透光板5 可同時存在或分別單獨設於電控散射型面板1與導光板2 之間。其中彩色濾光片4可將背光源3的光，經由光阻彩 色層處理’形成彩色顯示畫面，使該光柵裝置的應用範圍 更廣’該半透光板5則可控制光透過與反射的量。 如圖3以及圖4、5所示，是本創作光柵裝置之應用於 看板型式的較佳實施例，其中的導光板2係為平板板體， 並區分為左區塊22a及右區塊22b，在左區塊22a上具有 複數排鋸齒狀透明凸部23，且該些凸部23的左側係為透明 斜面230 ’右側塗佈吸收層232係為阻光斜面231 ;在右區 塊22b上的複數排鋸齒狀透明凸部23右側係為透明斜面 230 ’左側塗佈吸收層232係為阻光斜面231，因此，當人 們從左視角觀看時，電控散射型面板1的左邊字樣為白底 黑字，右邊字樣為黑底白字’反之’從右視角觀看時，電 控散射型面板1的右邊字樣為白底黑字，左邊字樣為黑底 白字’故人們從兩個不同視角位置可看到不同的視覺變化 感受。 如圖6及圖7a〜7c所示’是本創作光栅裝置應用於手 錶型式的較佳實施例，其中的導光板2係為弧曲板體，並 區分為上區塊22c及下區塊22d，在上區塊22c上具有複 數排錄齿狀透明凸部2 3 ’且該些凸部2 3的上側係為透明斜 面230，下側塗佈吸收層232係為阻光斜面231 ;在下區塊 8 M399335 22d上的複數㈣齒狀透明凸部23下側係為透明斜面 230，上側塗佈吸㈣232料阻光斜面231，配合導光板 2的曲度，使人們在正視角觀看時，纟、下的文字均呈暗部， 而在上視角觀看時，僅能看到手錶上半部顯示的文字，從 下視角觀看時，㈣看到手錶下半部顯㈣文字且所續 示的文字均為因電控散射型面板彳呈現散射狀態而散射出 的微弱光線。 綜合上述說明可得知，本創作具有多重視覺變化效果 的光柵裝置是藉由電控散射型面板中高分子液晶層的獨特 光電效應搭配可提供不同特定出光方向導光板2設計，使 人們在不同的視角位置可以看到不同的畫自，進而應用在 如手錶、時鐘、玩具、吊飾、廣告看板等等產品上使用， 可產生不同視覺I化效果，或進—步搭配彩色慮光片或半 透光板的組合，更可使應用的產品更多樣化。 【圖式簡單說明】 圖1係本創作具有多重視覺變化效果的光柵裝置之一 較佳實施例的平面示意圖。 圖2是本創作光柵裝置增設彩色濾光片與半透光板之 另—較佳實施例的平面示意圖。 圖3是本創作光柵裝置轶計成看板型式的較佳實施例 的分解示意圖， 圖4是圖3所示看板型式光柵裝置較佳實施例於第一 視角城視的示意圖。 圖5是圖3所示看板型式光栅裝置較佳實施例於第二 視角觀視的示意圖。 9 圖6是本創作 的分解示意圖， 光柵裝置設計成 手錶型式的較佳實施例 不n7c疋圖6所示手錶型式光柵裝置較佳實施例於 。視角觀視的示意圖。 【主要元件符號說明】 1電控散射型面板_e)' When there is an applied voltage, the liquid crystal molecules 16 are arranged in the direction of the electric field. The transparent substrate 10 is vertically placed on the light guide plate 2 of the specific light-emitting direction. At this time, the refractive index of the liquid crystal molecules 16 and the polymer structure 15 of the orientation function are increased, and most of the incident light penetrates the electronic control. Scattering panel 1, a few parts of the incident light scattered i 'right applied to the display 'from the first perspective to see the highlight font or graphics where the power, no words or graphics are not: electricity '売, dark The contrast is thus produced, and the font or graphic is clearly bright. For the second viewing angle, in the case of the applied voltage, the light advances along the original direction: the direction penetrates the electronically controlled scattering type... to the first viewing angle direction and appears dark = ° when there is no applied voltage, due to the electronically controlled scattering profile The faint light ray scattered by the first viewing angle is visible to present a bright portion, so that the second viewing angle exhibits a normal white mode (N_al|y white mode), and therefore, different visual change effects are generated at different viewing angle positions. In the grating device with multiple visual change effects, the light guide plate 2 is designed by the adjacent light direction of the adjacent block 22, so when the first view angle is in the f-black mode, the second view angle can be in the normal white mode. When a viewing angle is in a normal white mode, the second viewing angle can be in a normal black mode. Therefore, people can see that the grating device presents different images on different viewing angles, thereby being applicable to watches, clocks, and advertising billboards. In this way, the items can simultaneously present different pictures to viewers located at different viewing angles, providing multiple different visual change effects. A color filter 4 or a half of the light-transmissive plate 5 or a combination thereof may be further disposed between the electronically controlled scattering panel 1 and the light guide plate 2 of the M399335, wherein the color light-passing sheet 4 is located close to the electronically controlled scattering type. On one side of the panel 1, the semi-transmissive plate 5 is located on the side close to the light guide plate 2, and the color filter 4 and the semi-transmissive plate 5 may exist simultaneously or separately on the electrically controlled scattering type panel 1 and the light guide plate 2 between. The color filter 4 can process the light of the backlight 3 through the photoresist color layer to form a color display screen, so that the application range of the grating device is wider. The semi-transmissive plate 5 can control light transmission and reflection. the amount. As shown in FIG. 3 and FIGS. 4 and 5, the preferred embodiment of the present invention is applied to a kanban type, wherein the light guide plate 2 is a flat plate body and is divided into a left block 22a and a right block 22b. The left block 22a has a plurality of rows of serrated transparent protrusions 23, and the left side of the protrusions 23 is a transparent slope 230'. The right coating absorbing layer 232 is a light blocking slope 231; on the right block 22b The right side of the plurality of rows of serrated transparent protrusions 23 is a transparent slope 230. The left coating absorbing layer 232 is a light blocking slope 231. Therefore, when viewed from the left perspective, the left side of the electrically controlled scattering type panel 1 is white. The black text on the bottom, the word on the right is white on a black background. When viewed from the right, the right side of the electronically controlled scattering panel 1 is black on white, and the word on the left is white on a black background. See different visual changes. As shown in FIG. 6 and FIG. 7a to FIG. 7c, the preferred embodiment of the present invention is applied to a watch type, wherein the light guide plate 2 is an arc-shaped plate body and is divided into an upper block 22c and a lower block 22d. The upper block 22c has a plurality of scalloped transparent protrusions 2 3 ', and the upper side of the protrusions 2 3 is a transparent slope 230, and the lower side coating absorbing layer 232 is a light blocking slope 231; Block 8 M399335 22d on the upper part of the (four) tooth-shaped transparent convex portion 23 is a transparent inclined surface 230, the upper side is coated with a (four) 232 material light blocking slope 231, with the curvature of the light guide plate 2, so that when viewed from a positive viewing angle, The text below is in the dark part, and when viewed from the upper angle of view, only the text displayed in the upper part of the watch can be seen. When viewed from the lower angle of view, (4) the text in the lower half of the watch is displayed and the text is continued. A faint light that is scattered by the scattering state of the electrically controlled scattering panel. Based on the above description, it can be known that the grating device with multiple visual change effects is designed by using the unique photoelectric effect of the polymer liquid crystal layer in the electronically controlled scattering panel to provide different specific light guiding directions for the light guide plate 2, so that people are different. The position of the viewing angle can be seen in different paintings, and then applied to products such as watches, clocks, toys, charms, advertising billboards, etc., can produce different visual effects, or step by step with color light or half The combination of light-transmitting plates can make the products of the application more diversified. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a plan view showing a preferred embodiment of a grating device having multiple visual change effects. Fig. 2 is a plan view showing another embodiment of the present invention in which a color filter and a semi-transparent plate are additionally provided. 3 is an exploded perspective view of a preferred embodiment of the stencil apparatus of the present invention, and FIG. 4 is a schematic view of the preferred embodiment of the kanban type grating apparatus of FIG. Figure 5 is a schematic view of the preferred embodiment of the kanban type grating device of Figure 3 viewed from a second perspective. 9 is an exploded perspective view of the present invention. The preferred embodiment of the grating device is designed as a watch type. The preferred embodiment of the wristwatch type grating device shown in FIG. A schematic view of the perspective. [Main component symbol description] 1 Electronically controlled scattering panel
1Q透明基板 11 透明導電薄膜 12透明導電薄膜 13 高分子液晶層 131高分子結構 14框膠 2導光板 132 液晶分子 2〇受光側 21 出光側 22區塊 22a 左區塊 22b右區塊 22c 上區塊 22d下區塊 23 凸部 230透明斜面 231 阻光斜面 232吸收層 3背光源 4彩色濾光片 5半透光板1Q transparent substrate 11 transparent conductive film 12 transparent conductive film 13 polymer liquid crystal layer 131 polymer structure 14 frame glue 2 light guide plate 132 liquid crystal molecules 2 〇 light receiving side 21 light emitting side 22 block 22a left block 22 b right block 22c upper area Block 22d lower block 23 convex portion 230 transparent slope 231 light blocking slope 232 absorption layer 3 backlight 4 color filter 5 semi-transparent plate