TWM269460U - Light pipe - Google Patents

Light pipe Download PDF

Info

Publication number
TWM269460U
TWM269460U TW93217722U TW93217722U TWM269460U TW M269460 U TWM269460 U TW M269460U TW 93217722 U TW93217722 U TW 93217722U TW 93217722 U TW93217722 U TW 93217722U TW M269460 U TWM269460 U TW M269460U
Authority
TW
Taiwan
Prior art keywords
light
arm
light guide
guide tube
item
Prior art date
Application number
TW93217722U
Other languages
Chinese (zh)
Inventor
Tai-Cherng Yu
Charles Leu
Ga-Lane Chen
Original Assignee
Hon Hai Prec Ind Co Ltd
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 Hon Hai Prec Ind Co Ltd filed Critical Hon Hai Prec Ind Co Ltd
Priority to TW93217722U priority Critical patent/TWM269460U/en
Publication of TWM269460U publication Critical patent/TWM269460U/en

Links

Landscapes

  • Planar Illumination Modules (AREA)

Description

M269460 八、新型說明: 【新型所屬之技術領域】 本創作係’―種導光管,尤指-種光_率高之導光管。 【先前技術】 /目月;I ’電子產業蓬勃發展,電子產品已成為人們生產及生活之必須品 f 處可見,如行動電話、個人數位助理(PDA)、電話機、 等,其均具有用於輸入訊息、控制及操作之鍵盤 直?:二二‘"、便其於光線較暗之環境下使用,通常需要該等電子裝置 具咖或u魏,錢在該„子裝置之電路板上設置—或複 他照明器件,照件發出之光線照射鍵盤或顯示面板麵,從而可於按^ 面清楚顯不其上之字符或指示標。此觀術雖可職其於黑暗 ^ 問題,然其光強分布不均,靠近光源部份特翻亮,^ ^ 遠離光源雜取過於昏暗。導絲侧於將光·出之光料=^位= 或2換成特定雜之次辆,其稍決上述不足,廣泛各贿動電話、個 、酬之纖織,椒酬子產品、通訊設備之 ,習知導光管可參财國她補第㈣細义號專利,鱗利揭示一 ,光裝置5^請參照第七圖,其包括導光f 5G、鏡頭6G、且其末端設有緊固 鳊70。遠導光官50為-末端呈圓弧狀之管狀體,包括收光端51、發光端&及 連接收光端51與發光端52之弧形連接端53,料光管5()可毅光端&接收 之光線傳輸至發光端52發出。惟,其採職形連接端53連接收光端51盘發光 端52,光線在弧形連接端53處會產生較大之彎曲損耗 於: ,接端53處穿透導絲之表面而射出以致光利神較低。眾所週 =便攜帶式電子產品均採用電池作為能源,f知導光管之光姻率低,為達正 常之使用效果勢必需增大光源之發光強度,同時,使得攜帶式電子產品電池使 用週期變短,而且會增加便攜式電子產品之發熱量。另,师導光管之模具設 计亦較困難。 、/' 有鑑於此,提供一種光利用率較高且製造方便之導光管實為必要。 【新型内容】 M269460 本創作之目的在於提供一種光利用率高且製造方便之導光管。 本,作導光官,用於傳導光源發出之光線,包括第一臂、第二臂及一反射 面:ΐ第—臂具有—收光端用以接收光線,該第二臂與第—臂相連,其與第-臂係藉由板具注射-體成形並具有—發光制以發射光線,該反射面為平面 狀,位於第-臂及第二臂連接處之外側,用以將第一臂中之光線導人第二臂。 本創作導光管以-平面反射面將第一臂中之光線導入第二臂,相對於習知 弧形連接端,其損耗小,光利神高,JL平面形之反射面更便於製造模具。 另外,本創作導光管在其收光端設置凹部,進一步增加導光管之光吸收率, 提昇光源之光利用率。 再次,根據需要將本創作導光管之發光端設置成凸面或凹面或於發光端加 設發散體,可使本創作導光管產生不同之發射效果。 【實施方式】 一請參照第一圖及第二圖,本創作導光管1大致為L型,其包括第一臂^及 第二臂12以及位於第一臂u及第二臂12之間之反射面13。其中第一臂u包 ,一收光端110用以接收光源(圖未示)發出之光線,反射面13位於第一臂n與 第二臂12連接處之外侧,其為一平面,用以將第一臂n中之光線導入第二臂 12,第二臂12具有一發光端120,用以將光線自第二臂12中導出。該第一臂 11及第二臂12係通過模具藉由注射成型製造,反射面13亦係於注射成型時一 併形成。為增加反射面之反射效果,亦可於該反射面鍍覆反射膜。 請參照第三圖及第四圖,本創作第二實施例導光管2與第一實施例導光管工 大致相同,亦包括第一臂21及第二臂22以及位於第一臂21及第二臂22之間 之反射面23。其中第一臂21包括一收光端210用以接收光源(圖未示)發出之光 線’為更加充分吸收光源發出之光線,收光端21〇還開設有一凹部211,光源可 設置於該凹部211而使光源發出之光線可最大限度地為導光管2之第一臂21所 接收。反射面23位於第一臂21與第二臂22連接處之外側,其通常為一平面用 以將第一臂21中之光線導入第二臂22,第二臂22具有一發光端22〇,用以將 光線自第二臂22中導出,該第一臂21及第二臂22係通過模具藉由注射一體成 型’反射面23亦係於注射成型時一併形成。同樣,亦可於該反射面23鍍覆反 射膜以增加其反射效果。 請參照第五圖,本創作第三實施例導光管3與第一實施例導光管1亦大致 相同’包括第一臂31及第二臂32以及位於第一臂31及第二臂32之間之反射 M269460 m。其r第一臂31包括一收光端310用以接收光源發出之光線,反射面33 於弟:臂3—1與第二臂32連接處之外側,其通常為一平面用以將第 導)第一臂32 ’第二臂32具有一發光端320,用以將光線自第二臂32 成ί為明該端320設置成凸面以將導光管3中之光線聚合至特定位置而形 ,車 1 ^之光斑’當導光管3躲家電面板中之指示系統時,該光斑特徵明 ^ ^而具有較好之指示效果。該第—臂31及第二臂32係通過模具藉由 3=眩反射面33亦係於注射成型時—併形成。同樣,亦可於該反射面33 ΪΪίίΪΤ加其反射效果。可以理解,亦可將發光端320設置成凹面形’ 時可日n官線發散之更大照射面積,當導光Μ於照㈣統或背光系統 $了…、射較大靶圍,同時可使照明效果趨於柔和。 晴參照第六®,摘作第四實施解光管4與第—實施解光管丨亦大致 41及第二f 42以及位於第—臂41及第二f 42之間之反射 弟I 41包括一收光端410用以接收光源發出之光線,反射面43 ϋ : I1與第二臂42連接處之外側,以將第—臂41中之光線轉換至第二 恭丄山’ 42具有一發光端物,用以將光線自第二臂42中導出,為增加 之發射效果,該發光端樣設置有一較大截面之發散體Cl,光線在 iff 421内部散射,進而可照射較大之範圍。該第一臂41及第二臂42以及 ^ - 421係通過模具藉由注射一體成㉟,反射面43亦係於注射成型時一併形 ㈣可以理解,本創作上述導光管均可於其收光端設置―凹部明加光線之接 。’亦可於發光端設置凸面或凹面或發散體以改變光線的發射效果,同時也 可以通過外加透鏡等光學元件改變發光端之發射效果。 本創作之導光管可敍家電產品之指衫統及摘較攜式電子 ^一5鍵盤照明或背光系統’該導光管以—平面反射面將第-臂中之光線導入 ^一#,第二臂具有一發光端,相對於習知弧形連接端,其損耗小,光利用率 向j且平面形之反射面更便於製造模具。糾,本創作導光管在魏光端設置 加導絲之光魏率,提昇光源之光糊率。再次,根據需要, :丨乍導光官之發光端設置成凸面或凹面或於發光端加設發散體,可使本創 作導光管產生不同之發射效果。 V、上所述’本創作符合新型專利要件,爰依法提出專利申請。惟,以上所 迹者僅為本創作之較佳實施例,舉凡熟悉本案技藝之人士,在援依本案創作精 8 M269460 皆應包含於町之申請專利範圍内。 神所作之等效修鋅或變化 【圖式簡單說明】 圖係糊作導綠第―實_之立體圖。 弟一圖係本創作導光營篦一眘t , 楚-回A弟貫施例之中截面圖。 =二圖係本創作導光管第二實施例之立體圖。 ^圖係本創作導光管第二實施例之中截面圖。 f五圖係本創作導光管第三實施例之中截面圖。 =六圖係本創作導光管第四實施例之中截面圖。 第七圖係習知導光管之示意圖。 【主要元件符號說明】 導光管 1、2、3、4 收光端 110、210、310、410 發光端 120、220、320、420 凹部 211 第一臂 第二臂 反射面 發散體 u、21、31、41 12、 22、32、42 13、 23、33、43 421M269460 8. Description of new models: [Technical field to which new models belong] This creative department is a kind of light guide tube, especially a light guide tube with a high light rate. [Previous technology] / meyue; I 'Electronics industry is booming, electronic products have become essential for people's production and life f can be seen everywhere, such as mobile phones, personal digital assistants (PDA), telephones, etc., which are used for The keyboard for inputting information, control and operation is straight: "two two", so that it can be used in a low light environment. Usually, these electronic devices need coffee or coffee, and the money is on the circuit board of the sub device. Setting—or other lighting devices, the light emitted by the photo illuminates the keyboard or display panel surface, so that the characters or indicators on it can be clearly displayed on the ^ side. Although this observation technique can be used in the dark ^ problem, then Its light intensity is unevenly distributed, and the part near the light source is particularly bright, ^ ^ away from the light source is too dim. The guide wire is focused on replacing the light and light materials = ^ bit = or 2 with a specific miscellaneous vehicle. To resolve the above shortcomings, a wide range of bribery of telephones, personal and social media, pepper products, and communication equipment. Known light guides can participate in rich countries. Light device 5 ^ Please refer to the seventh figure, which includes a light guide f 5G and a lens 6G And its end is provided with a fastening 鳊 70. The far light guide 50 is a tubular body with an arc-shaped end, including a light receiving end 51, a light emitting end & and an arc shape connecting the light receiving end 51 and the light emitting end 52. At the connection end 53, the light-emitting tube 5 () can transmit the light received by the light end & to the light-emitting end 52. However, its adoptive connection end 53 is connected to the light-receiving end 51 and the light-emitting end 52, and the light is connected in an arc. There will be a large bending loss at the end 53:, and the end 53 penetrates the surface of the guide wire and is emitted so that the light and god are low. Everywhere = portable electronic products use batteries as energy sources, The light tube has a low light marriage rate, and it is necessary to increase the light intensity of the light source in order to achieve the normal use effect. At the same time, the battery life of portable electronic products is shortened, and the heat generation of portable electronic products is increased. The design of the light pipe mold is also difficult. In view of this, it is necessary to provide a light guide tube with high light utilization rate and convenient manufacturing. [New Content] M269460 The purpose of this creation is to provide a light utilization rate High and easy to manufacture light guide tube. It is used to conduct the light emitted by the light source, including a first arm, a second arm, and a reflecting surface: the first arm has a light-receiving end for receiving light, the second arm is connected to the first arm, and is connected to the first arm It is made by injecting the body with a plate and having a light-emitting system to emit light. The reflecting surface is flat and is located outside the connection between the first and second arms to guide the light in the first arm to the first. Two arms. The light guide of this creation introduces the light from the first arm into the second arm with a -planar reflecting surface. Compared with the conventional curved connecting end, the loss is small, the light is high, and the JL planar reflecting surface is more It is easy to manufacture molds. In addition, the light guide tube of this creative product is provided with a concave portion at its light receiving end, which further increases the light absorption rate of the light guide tube and improves the light utilization efficiency of the light source. Third, the light emitting end of the creative light guide tube is set as required Forming a convex surface or a concave surface or adding a divergent body at the light emitting end can make the creative light guide tube have different emission effects. [Embodiment] Please refer to the first and second figures. The light guide tube 1 of this creation is roughly L-shaped, and includes a first arm ^ and a second arm 12 and is located between the first arm u and the second arm 12 The reflecting surface 13. The first arm u package, a light receiving end 110 is used to receive light from a light source (not shown), and the reflecting surface 13 is located outside the connection between the first arm n and the second arm 12, which is a plane for The light in the first arm n is introduced into the second arm 12. The second arm 12 has a light emitting end 120 for guiding the light out of the second arm 12. The first arm 11 and the second arm 12 are manufactured by injection molding through a mold, and the reflecting surface 13 is also formed together during the injection molding. In order to increase the reflection effect of the reflecting surface, a reflecting film may also be plated on the reflecting surface. Please refer to the third and fourth figures. The light guide tube 2 of the second embodiment of this creation is substantially the same as the light guide of the first embodiment, and also includes a first arm 21 and a second arm 22, and the first arm 21 and Reflecting surface 23 between the second arms 22. The first arm 21 includes a light receiving end 210 for receiving light from a light source (not shown). In order to more fully absorb the light emitted from the light source, the light receiving end 21 has a recess 211, and the light source can be disposed in the recess. 211, so that the light emitted by the light source can be received by the first arm 21 of the light guide tube 2 to the maximum. The reflecting surface 23 is located on the outer side of the connection between the first arm 21 and the second arm 22, and is generally a plane for introducing the light in the first arm 21 to the second arm 22. The second arm 22 has a light emitting end 22. It is used to guide light from the second arm 22, and the first arm 21 and the second arm 22 are integrally formed by injection through a mold. The reflection surface 23 is also formed together during injection molding. Similarly, a reflective film may be plated on the reflective surface 23 to increase its reflective effect. Please refer to the fifth figure, the light guide tube 3 of the third embodiment of this creation is also substantially the same as the light guide tube 1 of the first embodiment, 'including the first arm 31 and the second arm 32, and the first arm 31 and the second arm 32. The reflection between M269460 m. The first arm 31 includes a light receiving end 310 for receiving light from a light source, and a reflecting surface 33 for the outer side of the connection between the arm 3-1 and the second arm 32, which is generally a flat surface for connecting the first guide ) The first arm 32 ′ The second arm 32 has a light-emitting end 320 for setting the light from the second arm 32 to a bright side. The end 320 is set as a convex surface to converge the light in the light guide tube 3 to a specific position and shape. When the light guide tube 3 hides the indication system in the panel of the home appliance, the light spot has clear features and has a better indication effect. The first arm 31 and the second arm 32 are also formed at the time of injection molding through a mold by 3 = glare reflecting surface 33. Similarly, the reflection effect can also be added to the reflecting surface 33. It can be understood that the light-emitting end 320 can also be set in a concave shape, and a larger irradiation area can be diverged from the official line. When the light guide M is in the illumination system or the backlight system, the larger target area can be shot at the same time. Softens the lighting effect. With reference to Sixth®, the fourth implementation of the tube 4 and the first implementation tube 丨 also roughly 41 and the second f 42 and the reflection brother I 41 between the first arm 41 and the second f 42 includes A light-receiving end 410 is used to receive light from the light source, and the reflecting surface 43 ϋ: I1 and the second arm 42 are connected to the outer side to convert the light in the first arm 41 to the second Gongzhushan '42. The end object is used to guide the light from the second arm 42. To increase the emission effect, the light-emitting end is provided with a large cross-section divergent body Cl, and the light is scattered inside the iff 421 so as to illuminate a larger area. The first arm 41, the second arm 42, and ^ -421 are integrated into a cymbal by injection through a mold, and the reflecting surface 43 is also formed together during injection molding. It can be understood that the above-mentioned light guide tubes can be used in this creation. Light-receiving end is set—the concave part connects with light. You can also set a convex or concave surface or a divergent body on the light emitting end to change the light emission effect. At the same time, you can also change the light emitting end emission effect by adding an optical element such as a lens. The light guide in this creation can be used to describe the finger system of home appliances and portable electronics ^ -5 keyboard lighting or backlighting system. 'The light guide uses a -plane reflecting surface to introduce the light in the -arm ^^ #, The second arm has a light emitting end. Compared with the conventional arc-shaped connecting end, the second arm has a small loss, the light utilization rate is j, and the planar reflecting surface is more convenient for manufacturing a mold. Correction, the light guide tube of this creation is set at the optical end of Wei, and the optical power of the guide wire is added to improve the light paste ratio of the light source. Once again, according to the needs, the light-emitting end of the light guide is set to be convex or concave, or a diffuser is added to the light-emitting end, which can make the light guide of this invention produce different emission effects. V. The above-mentioned 'this creation complies with the requirements for new patents, and filed a patent application according to law. However, those mentioned above are only the preferred embodiment of this creation. For example, those who are familiar with the skills of this case should be included in the scope of the patent application of the town. The equivalent of zinc repair or change made by God [Simplified illustration of the drawing] The drawing is a three-dimensional drawing of the guide green-real. Di Yitu is a cross-section view of Chu Yihui ’s example of Chu Guanghui ’s example. = The second figure is a perspective view of the second embodiment of the light guide tube of this creation. ^ The figure is a cross-sectional view of the second embodiment of the light guide tube of this creation. The f-figure is a cross-sectional view of the third embodiment of the light guide tube of this creation. = Six pictures are cross-sectional views of the fourth embodiment of this creative light guide. The seventh diagram is a schematic diagram of a conventional light pipe. [Description of main component symbols] Light guides 1, 2, 3, 4 Light receiving ends 110, 210, 310, 410 Light emitting ends 120, 220, 320, 420 Recesses 211 First arm second arm reflective surface divergent body u, 21 , 31, 41 12, 22, 32, 42 13, 23, 33, 43 421

Claims (1)

M269460 九、申請專利範圍: ι·一種導光管,用於傳導光源發出之光線,包括: 一第一臂,具有一收光端用以接收光線; -與第-臂相連之第二臂,其與第—臂係—體成形並具有—發光端用以 光線; ^ τ 一反射面,其為平面狀,位於第一臂及第二臂連接處之外侧。 2. 如申請專利細第1項所述之導光管,其中該反射面係與第—臂及第二臂 形成。 3. 如申請專利範圍第i項所述之導光管,其中該反射面上錢覆有反射膜。 4. 如申請專利細第!項所狀導光管,其中該收光端具有一凹部。 tit利範圍第1或2或3項所述之導光管,其中該發光端為凸面。 .如=利範圍第卿項所述之導光管,其中 官,其中該發紐為—方型體。 ^申咖嗎8項所述之導光管,其中發散體係與第—臂及第二臂一併形 成申請翻範圍糾項所述之導綠,射該導錄箱高透級之有機玻璃M269460 9. Scope of patent application: ι · A light guide tube for transmitting light emitted from a light source, including: a first arm having a light receiving end for receiving light;-a second arm connected to the first arm, It is formed in a body with the first arm system and has a light-emitting end for light; ^ τ A reflecting surface, which is planar and is located outside the connection between the first arm and the second arm. 2. The light guide tube according to item 1 of the patent application, wherein the reflecting surface is formed with the first arm and the second arm. 3. The light guide tube as described in item i of the patent application scope, wherein the reflective surface is covered with a reflective film. 4. If you apply for patent details! A collar-shaped light guide tube, wherein the light receiving end has a concave portion. The light guide tube according to item 1 or 2 or 3 of the tit range, wherein the light emitting end is convex. The light guide tube as described in the item of the profit range, where the officer, where the hair button is a square body. ^ The light guide tube described in item 8 of Shenkama, in which the divergent system and the first arm and the second arm together form the green light guide as described in the application for range correction, and shoot the guide box with high-transparency organic glass.
TW93217722U 2004-11-05 2004-11-05 Light pipe TWM269460U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW93217722U TWM269460U (en) 2004-11-05 2004-11-05 Light pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW93217722U TWM269460U (en) 2004-11-05 2004-11-05 Light pipe

Publications (1)

Publication Number Publication Date
TWM269460U true TWM269460U (en) 2005-07-01

Family

ID=36616278

Family Applications (1)

Application Number Title Priority Date Filing Date
TW93217722U TWM269460U (en) 2004-11-05 2004-11-05 Light pipe

Country Status (1)

Country Link
TW (1) TWM269460U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI470335B (en) * 2012-04-20 2015-01-21 Wistron Corp Display module

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI470335B (en) * 2012-04-20 2015-01-21 Wistron Corp Display module
US8967847B2 (en) 2012-04-20 2015-03-03 Wistron Corporation Illumination assembly and display module

Similar Documents

Publication Publication Date Title
JP3186173U (en) Light-emitting lens structure
US7760975B2 (en) Shared light pipe for message indicator and light sensor
CN101256911B (en) Luminous keyboard with light conducting plate
TW200905324A (en) Electronic device
TW200837991A (en) Light-emitting device and electronic device using the same
CN101932986B (en) Electronic device with diffused backlit display
US8331755B2 (en) Light guide module with multi-directional light-emitting areas
CN202587104U (en) Light guide structure of mobile phone buttons
CN201611056U (en) Backlight module and light emitting keyboard
CN103375767B (en) The lens of tool gear remaining light structure and module thereof
WO2008084892A1 (en) Flash module having light guide for portable communication terminal
CN202532386U (en) Touch phone key light guide structure
TWI407472B (en) Indicating switch
TWM269460U (en) Light pipe
TW200836573A (en) Speaker capable of emitting light
CN110307491B (en) Light assembly and electronic device
CN101458358B (en) Multi-axial light pipe module
CA2742636C (en) Shared light pipe for message indicator and light sensor
CN203771228U (en) LED (light-emitting diode) lighting device
CN103459920A (en) Flat optical fiber lighting assembly with integrated electrical circuitry
CN202511201U (en) Key light guide structure of touch phone
CN206594329U (en) Light guide structure and the electronic equipment for being provided with the light guide structure
CN201256098Y (en) Irradiancy keyboard having light conducting board
TWM362423U (en) Backlight module and LCD device
CN202834837U (en) Light emitting diode (LED) fluorescent lamp

Legal Events

Date Code Title Description
MK4K Expiration of patent term of a granted utility model