TWM353377U - Embedded light guiding apparatus - Google Patents

Embedded light guiding apparatus Download PDF

Info

Publication number
TWM353377U
TWM353377U TW97217719U TW97217719U TWM353377U TW M353377 U TWM353377 U TW M353377U TW 97217719 U TW97217719 U TW 97217719U TW 97217719 U TW97217719 U TW 97217719U TW M353377 U TWM353377 U TW M353377U
Authority
TW
Taiwan
Prior art keywords
light
plate
embedded
light guide
guide plate
Prior art date
Application number
TW97217719U
Other languages
Chinese (zh)
Inventor
Hui-Tai Hong
Huai-Fang Cai
yong-peng Zhang
Original Assignee
K Laser Technology Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by K Laser Technology Inc filed Critical K Laser Technology Inc
Priority to TW97217719U priority Critical patent/TWM353377U/en
Publication of TWM353377U publication Critical patent/TWM353377U/en

Links

Landscapes

  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)

Description

M353377 八、新型說明: 【新型所屬之技術領域) 本創作係有關—種應用於液晶顯示面板領域的導光裝置(light guide apparatus)’特別是關於一種可調整光行走方向且結合背光源之嵌入 式導光裝置。 【先前技術】 液晶顯示裝置之應用相當廣泛,舉凡電視、電腦螢幕、行動電話 或其他電子裝置皆是,然而,由於液晶顯示裝置之液晶本身是不發光, 故需使用一背光模組提供光源來照射液晶分子,使其產生明暗變化。 且背光模組依設置位置主要可分為二種,一種是應用於小型尺寸螢幕 的側光式背光模組’另一種則是應用於中大型尺寸螢幕的直下式背光 模組。 其中’直下式背光模組係如第1圖所示,背光源20,例如冷陰極 螢光燈管(CCFL)或是發光二極體(LED)模組,係直接設置在整個模 組正下方,往上射出光線且光線會經過擴散板22與微擴散# 24出射 出來,且直下式背光模組的螢光管數目或發光二極體數目會較多’以 提供較大亮度’一般是應用在中大尺寸液晶顯示裝置上’惟’擴散板 22係一種乳白聚合物,内含光散亂物質,所以會吸收背光源2〇所發 出的部分光能,且擴散板22之厚度大且又佔體積,故光源安置空間必 須增大’才能使光線射出至擴散板、微擴散片之後的擴散效果得以發 揮。以市售三十二吋液晶電視為例,擴散板22與冷陰極螢光管20間 的距離h可達23釐米,故傳統直下式背光模組的整體厚度或體積是佔 M353377 整個液晶顯示裝置中有相當大的比例。 因此,在液晶顯示裝置中,如何降低直下式背光模組之厚度且能 可保持良好輝度的確是一重要課題。有鑑於此,本創作提出一種結合 背光之嵌入式導光裝置組來改善上述缺失。 【新型内容】 本創作之主要目的係在提供一種嵌入式導光裝置,其係將背光模 -組與擴散結構直接整合在一起,使其具有較小的厚度,進而使組裝後 _ 之液晶顯示裝置更為輕薄,且結合側向入光與導光板應用,可同時具 有光均勻化效果。 根據本創作所揭示的嵌入式導光裝置,乃包括一反射板,一具有 一第一表面與一第二表面的導光板,其中第一表面設複數呈v型的凹 槽,且導光板之第一表面位在反射板上,使凹槽受反射板閉合,以及 在每一凹槽中設置至少一側發光之光源,光源會藉由導光板與反射板 使光線往第二表面出射。 I 再者,在第二表面上可設置一擴散片,或是第二表面具有經過特 - 殊設計的表面結構,可使光線從第二表面出光地更加均勻。 本創作之目的或其他目的對於此技藝之通常知識者而言,閱讀以 下實施例之詳細内容後係顯而易知的。 先前的概述與接下來的詳細敘述都是範例,以便能進一步解釋本 創作之專利請求項。 【實施方式】 本創作係揭示一種嵌入式導光裝置,相當於一種結合側光與直下 M353377 式設計。 請參照第2 (A)圖與第2 (B)圖,分別係本創作之結合背光的導 光裝置的立體圖與立體分解圖,及連同參照第2 (C)圖,係本創作之 嵌入式導光裝置的截面圖。本創作之嵌入式導光裝置30乃包括一導光 板32、複數側發光之光源34及一反射板36。導光板32乃具有一第一 表面321與一第二表面322,在第一表面321設有複數個呈V型之凹 槽38,此等凹槽38彼此間係具有間距與延伸寬度,且凹槽38之截面 0 夾角係大於0且小於等於60度;導光板32之第一表面位在反射板36 上,使反射板36閉合凹槽38,且在每一個凹槽38中,安置一光源34。 請連同參照第3圖,係導光板之立體示意圖。其中,導光板32之材質 係選自光學級壓克力、高分子聚合物、高分子碳化物、玻璃或石英。 光源34在圖中是以冷陰極螢光燈管為例,反射板36之材質為高反射 係數材質。 因此,光源34所發出的光線會透過導光板32往第二表面322出 φ射,及經由反射板36反射而穿過導光板至第二表面322出射出去,且 . 為了使光線出光的更加均勻,第二表面322可以是具有經過特殊設計 的表面結構,或是如第4圖所示,在第二表面322上增加一擴散片40, 皆可助於光線出光的更加均勻。且,如第5圖所示,於導光板32之四 個側面可再分別設置具高反射係數的側反射板41、42,以降低漏光。 所以將本創作應用液晶顯示裝置上,就能提供更好、更理想的影 像品質,如第6圖所示之本創作應用之液晶顯示裝置50,包括兩互相 平行的偏光板521、522,一液晶顯示面板54位在兩偏光板521、522 M353377 之間,用於顯示彩色畫面,使液晶顯示面板的液晶層之液晶旋轉角度 而產生明暗變化,本創作之嵌入式導光裝置30就位在液晶顯示面板 54與偏光板522下方以提供一均勻光線至液晶顯示面板54,使其能正 常顯示影像。 參照第7圖,乃本創作應用上述導光板56之結合背光的導光裝置 截面圖。導光裝置60乃包括一導光板56、複數側發光之發光二極體 • 62及一反射板64,導光板56之第一表面561位在反射板64上,使反 _射板64閉合凹槽58,且在每一個凹槽58中,安置一或複數個發光二 極體62。因此,發光二極體62所發出的光線會透過導光板32往第二 表面322出射,及經由反射板64反射而穿過導光板32至第二表面562 出射出去,且為了使光線出光的更加均勻,第二表面562可以是具有 經過特殊設計的表面結構,或是如第8圖所示,在第二表面562上增 加一擴散片66,皆可助於光線出光的更加均勻。同理,如第9圖所示, 於導光板56之四個側面,可再分別設置具高反射係數的側反射板67、 • 68,以降低漏光。 . 所以將本創作應用液晶顯示裝置上,就能提供更好、更理想的影 像品質,如第10圖所示之本創作之液晶顯示裝置70,包括兩互相平 行的偏光板721、722,一液晶顯示面板74位在兩偏光板721、722之 間,用於顯示彩色畫面,使液晶顯示面板的液晶層之液晶旋轉角度而 產生明暗變化,本創作之結合背光的導光裝置60就位在液晶顯示面板 74與偏光板722下方以提供一均勻光線至液晶顯示面板74,使其能正 常顯示影像。 M353377 再者,本_職狀導缺結财料絲,以利於 各!尺寸之面板。如第11圖所示,此導光板8G係由複數個並行排列 A光單㈣所組成,每-料單元82τ表面各設置有全像片… 且所有全像片84係'設置於反射板86表面上,使該等導光單元82及其 制之全像片84整齊設置於反射板86上;每—導光單元犯之二側各 认有帛-斜角表面與第二斜角表面’在每相鄰二該導光單之間 才互鄰接之第冑角表面與第二斜角表面分別形成v型凹槽狀,且 位於每偏容置空間4G内分別設置有—側發光之發光二極體⑽,亦可 為冷陰極螢光燈管。其中,每—導光單元321之第—斜角表面與第二 斜角表面之截面夾角之夾角範圍係為㈣㈣度。此實施例係為複數 個導光單7G組成之導紐,其餘結_與前述實施例相同,故於此不 再贅述。 故,本創作所揭示的結合背光的導光裝置乃整合習知背光模組與 擴散結構,導光板之凹槽結構設計可增加光線的出光面積,提高光使 _用效能’且本創作無須傳統的擴散板,故不但可節省材料、成本,更 I可使整體具有較薄的厚度’以32时的液晶電視為例,本創作之導光板 厚度大約只需6~8_。因此’本創作不但能提供液晶顯示裝置良好輝 度,又可使液晶顯示裝置更為輕薄。 以上所述之貫施例僅係為說明本創作之技術思想及特點,其目的 在使熟習此項技藝之人士能夠瞭解本創作之内容並據以實施,當不能 以之限定本創作之專利範圍,即纽依本創作所獅之精神所作之均 等變化或修飾,仍應涵蓋在本創作之專利範圍内。 M353377 【圖式簡單說明】 第1圖為習知直下式背光模組的截面示意圖。 第2 (A)圖為本創作之嵌入式導光裝置之立體圖。 第2 (B)圖為本創作之嵌入式導光裝置之立體分解圖。 第2 (C)圖為本創作之嵌入式導光裝置截面示意圖。 第3圖為本創作之嵌入式導光裝置的導光板立體結構圖。 ' 第4圖為本創作之另一實施例之截面示意圖。 ^ 第5圖為本創作之另一實施例之截面示意圖。 第6圖為本創作應用之液晶顯示裝置示意圖。 第7圖為本創作之另一嵌入式導光裝置之截面示意圖。 第8圖為本創作之另一嵌入式導光裝置之截面示意圖。 第9圖為本創作之另一嵌入式導光裝置之截面示意圖。 第10圖為本創作應用之液晶顯示裝置示意圖。 第11圖為本創作之導光板有複數導光單元組成之示意圖。 φ 【主要元件符號說明】 20 背光源 22 擴散板 24 微擴散片 30 導光裝置 32 導光板 321第一表面 322第二表面 34 光源 36 反射板 38 凹槽 40 擴散片 41 、42側反射板 M353377 50 液晶顯不裝置 521 、522偏光板 54 液晶顯不面板 56 導光板 561第一表面 562第二表面 58 凹槽 60 導光裝置 62 發光二極體 64 反射板 66 擴散片 67 側反射板 68 側反射板 70 液晶顯示裝置 721 、722偏光板 74 液晶顯示面板 80 導光裝置 82 導光單元 84 全像片 86 反射板 88 凹槽 90 發光二極體M353377 VIII. New Description: [New Technology Field] This creation is related to the light guide apparatus used in the field of liquid crystal display panels. In particular, it relates to an optical path that can be adjusted and combined with backlight embedding. Light guide device. [Prior Art] The application of the liquid crystal display device is quite extensive, such as a television, a computer screen, a mobile phone, or other electronic devices. However, since the liquid crystal of the liquid crystal display device itself does not emit light, it is necessary to use a backlight module to provide a light source. The liquid crystal molecules are irradiated to cause a change in light and dark. The backlight module can be mainly divided into two types according to the set position, one is an edge-lit backlight module applied to a small-sized screen, and the other is a direct-lit backlight module applied to a medium-sized and large-sized screen. The 'direct-lit backlight module is as shown in FIG. 1 , and the backlight 20, such as a cold cathode fluorescent lamp (CCFL) or a light-emitting diode (LED) module, is directly disposed directly below the entire module. The light is emitted upwards and the light is emitted through the diffusion plate 22 and the micro-diffusion #24, and the number of the fluorescent tubes or the number of the light-emitting diodes of the direct-type backlight module is more 'to provide a larger brightness'. In the medium and large size liquid crystal display device, the 'only' diffusing plate 22 is a milky white polymer containing light scattered matter, so it absorbs part of the light energy emitted by the backlight 2, and the thickness of the diffusing plate 22 is large and Because of the volume, the light source placement space must be increased to enable the diffusion effect of light to be emitted to the diffusion plate and the micro-diffusion sheet. Taking a commercially available 32-inch LCD TV as an example, the distance h between the diffusion plate 22 and the cold cathode fluorescent tube 20 can reach 23 cm, so the overall thickness or volume of the conventional direct-lit backlight module accounts for M353377. There is a considerable proportion in it. Therefore, in the liquid crystal display device, how to reduce the thickness of the direct type backlight module and maintain good luminance is an important subject. In view of this, the present invention proposes a set of embedded light guides combined with a backlight to improve the above-mentioned lack. [New content] The main purpose of this creation is to provide an embedded light guiding device, which directly integrates the backlight mode group and the diffusion structure to have a small thickness, thereby enabling the liquid crystal display after assembly. The device is lighter and thinner, and combined with lateral light input and light guide plate application, can simultaneously have a light homogenization effect. The embedded light guiding device disclosed in the present invention comprises a reflecting plate, a light guiding plate having a first surface and a second surface, wherein the first surface is provided with a plurality of v-shaped grooves, and the light guiding plate The first surface is positioned on the reflector, the recess is closed by the reflector, and at least one side of the light source is disposed in each of the recesses, and the light source emits light toward the second surface through the light guide and the reflector. Further, a diffusion sheet may be disposed on the second surface, or the second surface may have a specially designed surface structure to make the light more uniform from the second surface. The purpose of the present invention, or other objects, will become apparent to those of ordinary skill in the art. The previous summary and the following detailed description are examples to further explain the patent claims of this creation. [Embodiment] The present invention discloses an embedded light guiding device, which is equivalent to a combination of side light and straight down M353377 type design. Please refer to the second (A) and the second (B) drawings, which are respectively a perspective view and an exploded view of the light guide device combined with the backlight of the present invention, and together with the reference to the second (C) figure, the embedded of the present creation A cross-sectional view of the light guiding device. The embedded light guiding device 30 of the present invention comprises a light guide plate 32, a plurality of side light emitting sources 34 and a reflecting plate 36. The light guide plate 32 has a first surface 321 and a second surface 322. The first surface 321 is provided with a plurality of V-shaped grooves 38. The grooves 38 are spaced apart from each other and have a concave width. The angle of the section 0 of the groove 38 is greater than 0 and less than or equal to 60 degrees; the first surface of the light guide plate 32 is positioned on the reflection plate 36, the reflection plate 36 is closed to the groove 38, and in each groove 38, a light source is disposed. 34. Please refer to FIG. 3 together for a perspective view of the light guide plate. The material of the light guide plate 32 is selected from the group consisting of optical grade acrylic, high molecular polymer, high molecular carbide, glass or quartz. The light source 34 is exemplified by a cold cathode fluorescent lamp in the figure, and the material of the reflecting plate 36 is a high reflection coefficient material. Therefore, the light emitted by the light source 34 is transmitted through the light guide plate 32 to the second surface 322, and is reflected by the reflective plate 36 and passed through the light guide plate to the second surface 322, and the light is more uniformly emitted. The second surface 322 may have a specially designed surface structure, or as shown in FIG. 4, a diffusion sheet 40 may be added to the second surface 322 to help the light to be more uniform. Further, as shown in Fig. 5, side reflection plates 41 and 42 having high reflection coefficients can be separately disposed on the four sides of the light guide plate 32 to reduce light leakage. Therefore, the present application can be applied to a liquid crystal display device to provide better and more desirable image quality. For example, the liquid crystal display device 50 of the present application shown in FIG. 6 includes two mutually parallel polarizing plates 521, 522, one. The liquid crystal display panel 54 is located between the two polarizing plates 521 and 522 M353377, and is used for displaying a color picture, so that the liquid crystal of the liquid crystal layer of the liquid crystal display panel rotates at an angle to produce a light and dark change. The embedded light guiding device 30 of the present invention is located at The liquid crystal display panel 54 and the polarizing plate 522 are disposed below to provide a uniform light to the liquid crystal display panel 54, so that the image can be normally displayed. Referring to Fig. 7, a cross-sectional view of a light guiding device incorporating the backlight of the above-described light guide plate 56 is created. The light guiding device 60 includes a light guide plate 56, a plurality of light emitting diodes 62 and a reflecting plate 64. The first surface 561 of the light guiding plate 56 is located on the reflecting plate 64, so that the reflecting plate 64 is closed. A groove 58, and in each of the grooves 58, one or a plurality of light-emitting diodes 62 are disposed. Therefore, the light emitted by the LED 62 is transmitted through the light guide plate 32 to the second surface 322, and is reflected by the reflector 64 and passed through the light guide plate 32 to the second surface 562, and the light is emitted. Uniformly, the second surface 562 can have a specially designed surface structure, or as shown in FIG. 8, a diffuser 66 can be added to the second surface 562 to help the light to be more uniform. Similarly, as shown in FIG. 9, on the four sides of the light guide plate 56, side reflection plates 67, 68 having high reflection coefficients can be separately disposed to reduce light leakage. Therefore, the present application can be applied to a liquid crystal display device to provide better and more desirable image quality. The liquid crystal display device 70 of the present invention, as shown in FIG. 10, includes two mutually parallel polarizing plates 721, 722, one. The liquid crystal display panel 74 is located between the two polarizing plates 721 and 722, and is used for displaying a color picture, so that the liquid crystal of the liquid crystal layer of the liquid crystal display panel rotates at an angle to produce a light and dark change. The light guiding device 60 combined with the backlight of the present invention is located at The liquid crystal display panel 74 and the polarizing plate 722 are provided below to provide a uniform light to the liquid crystal display panel 74 so that the image can be normally displayed. M353377 In addition, this _ job guides the lack of knots to facilitate the size of each panel. As shown in FIG. 11, the light guide plate 8G is composed of a plurality of parallel arranged A light sheets (four), each of which has a full image on the surface of the material unit 82τ... and all the full image sheets 84 are disposed on the reflection plate 86. On the surface, the light guiding unit 82 and the holographic film 84 thereof are arranged neatly on the reflecting plate 86; each of the light guiding units has a 帛-beveled surface and a second inclined surface on each of the two sides. The first corner surface and the second oblique surface adjacent to each other between the two adjacent light guiding sheets respectively form a v-shaped groove shape, and each side of the partial accommodating space 4G is provided with a side-emitting light The diode (10) can also be a cold cathode fluorescent tube. The angle between the angle between the first beveled surface and the second beveled surface of each of the light guiding units 321 is (four) (four) degrees. This embodiment is a guide composed of a plurality of light guide sheets 7G, and the remaining knots are the same as those of the foregoing embodiment, and therefore will not be described again. Therefore, the light guide device combined with the backlight disclosed in the present invention integrates the conventional backlight module and the diffusion structure, and the groove structure design of the light guide plate can increase the light exit area and improve the light utilization efficiency, and the creation does not need to be traditional. The diffuser plate not only saves material and cost, but also makes the overall thinner thickness. For example, the LCD TV of 32° is taken as an example. The thickness of the light guide plate of this creation is only about 6~8_. Therefore, this creation not only provides a good brightness of the liquid crystal display device, but also makes the liquid crystal display device lighter and thinner. The above-mentioned embodiments are merely illustrative of the technical ideas and characteristics of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement them according to the scope of the patent. The equivalent changes or modifications made by the spirit of the Lions of New Zealand's creations should still be covered by the scope of this creation. M353377 [Simple description of the drawing] Fig. 1 is a schematic cross-sectional view of a conventional direct type backlight module. Figure 2 (A) is a perspective view of the embedded light guiding device of the present invention. The second (B) is an exploded perspective view of the embedded light guiding device of the present invention. The second (C) is a schematic cross-sectional view of the embedded light guiding device of the present invention. The third figure is a three-dimensional structure diagram of the light guide plate of the embedded light guiding device of the present invention. Fig. 4 is a schematic cross-sectional view showing another embodiment of the creation. ^ Figure 5 is a schematic cross-sectional view showing another embodiment of the creation. Figure 6 is a schematic diagram of a liquid crystal display device for the authoring application. Figure 7 is a schematic cross-sectional view of another embedded light guiding device of the present invention. Figure 8 is a schematic cross-sectional view of another embedded light guiding device of the present invention. Figure 9 is a schematic cross-sectional view of another embedded light guiding device of the present invention. Figure 10 is a schematic diagram of a liquid crystal display device for the authoring application. Figure 11 is a schematic diagram of the light guide plate of the present invention having a plurality of light guiding units. Φ [Description of main components] 20 backlight 22 diffuser 24 micro-diffusion sheet 30 light guide 32 light guide plate 321 first surface 322 second surface 34 light source 36 reflector 38 groove 40 diffusion sheet 41, 42 side reflector M353377 50 liquid crystal display device 521, 522 polarizing plate 54 liquid crystal display panel 56 light guide plate 561 first surface 562 second surface 58 groove 60 light guiding device 62 light emitting diode 64 reflecting plate 66 diffusing plate 67 side reflecting plate 68 side Reflecting plate 70 Liquid crystal display device 721, 722 Polarizing plate 74 Liquid crystal display panel 80 Light guiding device 82 Light guiding unit 84 Full image 86 Reflecting plate 88 Groove 90 Light emitting diode

Claims (1)

M353377 九、申請專利範圍: 1. 一種嵌入式導光骏置,包括: 一反射板; 導光板其具-第一表面與一第二表面且該第一表面設複數截面呈V型的 凹槽該導光板之該第一表面位在該反射板上,使該反射板閉合該等凹槽, 且該凹槽之截面失角係大於〇且小於等於6〇度;以及 -至少-光源,位在每一該凹槽中,該光源所發出的光線藉由該導光板與該反 ^ 射板往該第二表面出射。 2. 如申請專利細第丨項所述讀人式導光裝置,其巾鮮凹制具有間距與 延伸寬度。 3. 如申请專纖邮1項所述讀人轉光裝置,其巾該光麟耕陰極登光 燈管或發光二極體。 4. 如申請專利範圍第1項所述之嵌人式導光裝置,更包括—擴散片位在該第二 表面上。 鲁5.如申請專利範圍第1項所述之嵌入式導光裝置,其中該第二表面具—表面結 構,以助於光線均勻擴散出去。 6. 如申請專利細第1項所述之嵌人式導光裝置,其中該凹槽係、選自錐形凹槽 或三角凹槽。 7. 如申請專利範圍第1項所述之嵌人式導储置,其巾該導光板之材質係選自 光學級壓克力、局分子聚合物、高分子碳化物、玻璃或石英。 8. 如申請專利細第1項所述之嵌入式料裝置,其中該第__表面與該第二表 面之位置係相對的。 12 M353377 導光裴置’更包括四側反射板分別位在 9.如申請專利範圍第1項所述之嵌入式 該導光板之四個側面。 10,如申請專利範圍第丨項所述 * ,、 认轉核置’其巾鱗光缺包含複數個 並列之導光單元位於該反射板上 轰…一 概上每—料光單元之二側各設有-第-斜角 斜角表w # 轉购—料絲元間之該第-斜妹面與該第二 斜角表面相互鄰接而分別形成該凹槽。 乐—M353377 IX. Patent application scope: 1. A built-in light guiding device comprising: a reflecting plate; the light guiding plate has a first surface and a second surface, and the first surface is provided with a plurality of grooves having a V-shaped cross section The first surface of the light guide plate is positioned on the reflective plate such that the reflective plate closes the grooves, and the cross-sectional angle of the groove is greater than 〇 and less than or equal to 6 degrees; and - at least - the light source, the bit In each of the grooves, the light emitted by the light source exits the second surface through the light guide plate and the reflective plate. 2. The reading light guide device as described in the patent application specification has a pitch and an extension width. 3. If you apply for a person's light-transducing device as described in the special fiber post 1 item, the towel should be lightly ploughed to the cathode light tube or the light-emitting diode. 4. The embedded light guiding device of claim 1, further comprising a diffusion sheet on the second surface. 5. The embedded light guiding device of claim 1, wherein the second surface has a surface structure to facilitate uniform diffusion of light. 6. The embedded light guiding device of claim 1, wherein the groove is selected from a tapered groove or a triangular groove. 7. The embedded guide storage device according to claim 1, wherein the material of the light guide plate is selected from the group consisting of optical grade acrylic, local molecular polymer, high molecular carbide, glass or quartz. 8. The embedded device of claim 1, wherein the __ surface is opposite the position of the second surface. 12 M353377 Light-guiding device' further includes four side reflectors respectively located at the four sides of the light guide plate embedded in the first aspect of the patent application. 10, as described in the scope of the patent application, *, and the approval of the nuclear device, the light-receiving unit contains a plurality of juxtaposed light-guiding units located on the reflector plate... generally on each side of each of the light units The groove is formed by the -th-bevel angle table w#-replacement-the oblique-face between the filament elements and the second beveled surface. fun-
TW97217719U 2008-10-03 2008-10-03 Embedded light guiding apparatus TWM353377U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW97217719U TWM353377U (en) 2008-10-03 2008-10-03 Embedded light guiding apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW97217719U TWM353377U (en) 2008-10-03 2008-10-03 Embedded light guiding apparatus

Publications (1)

Publication Number Publication Date
TWM353377U true TWM353377U (en) 2009-03-21

Family

ID=44375954

Family Applications (1)

Application Number Title Priority Date Filing Date
TW97217719U TWM353377U (en) 2008-10-03 2008-10-03 Embedded light guiding apparatus

Country Status (1)

Country Link
TW (1) TWM353377U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8913035B2 (en) 2011-02-11 2014-12-16 Pixart Imaging Inc. Optical touch panel and light guide module thereof
TWI553382B (en) * 2011-06-24 2016-10-11 Lg伊諾特股份有限公司 Illumination system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8913035B2 (en) 2011-02-11 2014-12-16 Pixart Imaging Inc. Optical touch panel and light guide module thereof
TWI553382B (en) * 2011-06-24 2016-10-11 Lg伊諾特股份有限公司 Illumination system
US9519099B2 (en) 2011-06-24 2016-12-13 Lg Innotek Co., Ltd. Backlight unit and display apparatus using the same

Similar Documents

Publication Publication Date Title
JP4487629B2 (en) Surface illumination device and liquid crystal display device using the same
JP4282660B2 (en) Prism sheet and backlight unit using the same
JP4806828B2 (en) Light adjusting plate, backlight assembly having the same, and display device
JP4563991B2 (en) Backlight unit using optical fiber
US8029180B2 (en) Light unit, backlight, frontlight, and display device
TWI592723B (en) Viewing angle switchable back light unit
TWI354839B (en) Back light module
US20110164404A1 (en) Illumination device, surface light source device, and liquid crystal display apparatus
US20080037283A1 (en) Backlight apparatus with particular light-redirecting film
JP2006128060A5 (en)
JP2006302622A (en) Surface light source device
TWI626482B (en) Viewing angle switchable back light unit
KR101771316B1 (en) Optical Sheet Embedded Liquid Crystal Display
JP2008527672A (en) Solid colloidal dispersion for liquid crystal display backlighting
JP2010044941A (en) Lighting device and display
KR102090457B1 (en) Liquid crystal display device
KR101415683B1 (en) Liquid crystal display device
JP2009059498A (en) Lighting device and liquid crystal display device
JP4555250B2 (en) Light guide plate and planar illumination device using the same
TWM353377U (en) Embedded light guiding apparatus
KR100807296B1 (en) backlight for liquid crystal display devices
TWI285286B (en) Light emitting device and light guiding plate thereof
JP2003270634A (en) Liquid crystal display device
US20080158853A1 (en) Illuminating apparatus providing polarized light
KR102591781B1 (en) Display appartus

Legal Events

Date Code Title Description
MM4K Annulment or lapse of a utility model due to non-payment of fees