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TWI321686B - Back light source device - Google Patents

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Publication number
TWI321686B
TWI321686B TW93109172A TW93109172A TWI321686B TW I321686 B TWI321686 B TW I321686B TW 93109172 A TW93109172 A TW 93109172A TW 93109172 A TW93109172 A TW 93109172A TW I321686 B TWI321686 B TW I321686B
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Taiwan
Prior art keywords
light
cover
backlight module
light source
patent application
Prior art date
Application number
TW93109172A
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Chinese (zh)
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TW200533998A (en
Inventor
Jen Tsorng Chang
Original Assignee
Hon Hai Prec Ind Co Ltd
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Priority to TW93109172A priority Critical patent/TWI321686B/en
Publication of TW200533998A publication Critical patent/TW200533998A/en
Application granted granted Critical
Publication of TWI321686B publication Critical patent/TWI321686B/en

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Description

1321686 夂、發明說明: 【發明所屬之技術領域】 本發明係關於-種背光模組’特別係關於—_於數位影像產品 之背光模組。 【先前技術】 由於液晶齡裝置面板中之紅本身不發光,_,為達到顯示 效果,須給液裝置硫提供—岐職置,如背规組,其功 能在於向液晶顯雜置Φ板提供輝度充分且分佈均自之平面光,使其 能正常顯7F影像’因而成為液晶顯示裝置之關鍵組件之一。 隨著液晶顯示裝置應用領域之不斷拉展,特別是數位影像產品之 應用,如手機、手機贿位像機、數位攝影鱗,對於液晶顯示裝置 之月光模組要求進-步提〶’除滿足顯示所需之足夠輝度與均句度要 求,具有更多之增進功能亦成為背光模組設計之重點。 _明參閱第-圖’是-種切技術的背域組i,該背光模組工包 括二光源U —反射板12、—導光板13、一擴散板14及一增亮片15, »亥反射板I2、導光板13、擴散板14及增亮月15依次層疊放置。該導 光板B為平板形,其包括—人絲131、—與該人光面i3i相連之底 面133及一與該底面133相對之出光面m,其中該光源u相對於該 導光板I3之入光面131設置。由光源u發出之光束,由該入光面i3i 進入光板I3並於該導光板ls轉輸部分光雜㈣導光板13 之底面133射向δ亥反射板12,並經該反射板之反射作用反射回該 V光板13光線最終經由該導光板^之出光面说射向該擴散板μ, ’‘二由《亥擴j板Η之擴散作用後射向該增亮片15,該增亮片ΐ5表面均 勻刀饰有複數平仃之棱鏡結構⑸,該稜鏡結構i5i職光束聚集並 1321686 導向顯示面板(圖未示)。 攝時ίΓ触顧於數位影像產品,如手機職位像機、數位 爾° 繪㈣_魏,但於夜 j 之域時,此類數位影像產品之影像感測器通常會感光 不足’因此無法進行攝像。 【發明内容】 本發明之目的在於提供一種用於數位影像產品之具有昭明功能之 背光模組。 4、、、月功月匕之 光板’該導光板包括一入光 二Γ=ΓΓ可轉動之筒罩,該筒罩設置於該導光板之 =Β=;先口’該先源相對於該出光口設置於該 湾罩内,且該出光口隨該筒罩的轉動而轉動。 鼓=咖b ’因本卿_組具有—可轉動之鮮且該背 ’使得峨㈣蝴麵示所需之 先源功㈣,亦具有之照明雜。當該鮮之妓 入光面時,該絲《之親畅導紐並喊 用於顯示之用。當需於低照度之環境中攝像時,該筒罩ί轉=光 出之光線經匯聚後射向所_之物體,增加物體之反射光強度, 產品物㈣之域,滿足攝像所需之照明要 t管== 光源,增強數位影像產品之功能與使用性。1321686 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明 发明[Prior Art] Since the red in the panel of the liquid crystal age device does not emit light itself, _, in order to achieve the display effect, it is necessary to provide the liquid device with sulfur-like service, such as the back gauge group, and its function is to provide the liquid crystal display miscellaneous Φ plate. The brightness is sufficient and the distribution is from the plane light, so that it can display the 7F image normally', thus becoming one of the key components of the liquid crystal display device. With the continuous application of liquid crystal display devices, especially the application of digital imaging products, such as mobile phones, mobile phone patriots, digital photographic scales, the requirements for the moonlight module of liquid crystal display devices are further improved. Displaying the required sufficient brightness and uniformity requirements, with more enhancements has become the focus of backlight module design. _ Ming-refer to the figure - is a back-domain group i of the cutting technology, the backlight module includes two light sources U - a reflecting plate 12, a light guide plate 13, a diffusing plate 14 and a brightness enhancing sheet 15, » The plate I2, the light guide plate 13, the diffusion plate 14, and the brightening month 15 are stacked in this order. The light guide plate B has a flat plate shape, and includes a human wire 131, a bottom surface 133 connected to the human light surface i3i, and a light exit surface m opposite to the bottom surface 133, wherein the light source u is inserted into the light guide plate I3. The smooth surface 131 is set. The light beam emitted by the light source u enters the light plate I3 from the light incident surface i3i and is transferred to the bottom surface 133 of the light guide plate ls to the δ hai reflective plate 12, and is reflected by the reflective plate. The light reflected back to the V-plate 13 is finally transmitted to the diffusing plate μ via the light-emitting surface of the light-guiding plate, and the light is transmitted to the brightness-increasing sheet 15 by the diffusion of the plate, and the surface of the brightness-increasing sheet 5 is emitted. The uniform knife is decorated with a plurality of prismatic prism structures (5), which are assembled by the i5i beam and 1321686 directed to the display panel (not shown). When shooting, Γ Γ Γ 数 数 数 Γ Γ Γ Γ Γ Γ 数 数 数 数 数 数 数 数 数 数 数 数 数 数 数 数 数 数 数 数 数 数 数 数 数 数 数 数 数 数 数 数 数 数 数 数 数 数 数 数 数 数 数Camera. SUMMARY OF THE INVENTION It is an object of the present invention to provide a backlight module having a clear function for a digital image product. 4,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, The mouth is disposed in the bay cover, and the light exit port rotates with the rotation of the cowl cover. Drum = coffee b 'Because the Qing _ group has - the rotatable fresh and the back ‘the 峨 (4) butterfly face shows the required source work (4), also has the illumination. When the fresh cockroach enters the glossy side, the silk is intimate and used for display. When it is necessary to image in a low-light environment, the cover ί turn = the light of the light is concentrated and then directed toward the object, increasing the intensity of the reflected light of the object, the domain of the product (4), and satisfying the illumination required for the image. To t == light source, enhance the function and usability of digital imaging products.

1貫加万式J 請參閱第二圖,係本發明之背域組示意圖 先包面 Γ板22’該導先板22為平板形,其 先面221及-與該人光㈣相連之編222,該_ 22用於引 4 導並傳輸該光源21發出之光線。 該轉軸2包括—筒罩23’該筒罩23固定於—轉軸支柱30上, 极釉支柱30可轉減帶2 —!相—設 設置於該筒罩23内壁二 糊来,'、Λ 電_動裝置211細_該2之整合控制電 °mn^23 =r_====: 外罩=I 4G可設置為複細更好㈣鮮23之轉動。 ==:=:;柱狀_’該柱狀— ^ 參閱第三圖與細圖,分職該背光模組之1作示意圖。 1二it2為液晶顯示裝置提供光時’該筒罩23之出光口231 對鱗缺22之人絲221,該光源21發出之絲_筒罩23内 壁之反射姐終通過雜狀賴24匯聚後軸料光板a,光線經 該導光板Μ之引導傳輸後最終由該導光板Μ之出光面從射出滿 足液晶顯示裝置顯示之輝度與均勻度之要求。 當數位影像產品需於低照度之環境中進行攝像功能時,可以藉由 手動獅或馬達帶動之方式使得該轉軸支柱3〇轉動,從而帶動^軍 23轉動’該限位裝置4G使得該鮮23旋轉%度後停止。此時該筒 罩23之出光口 231正對所要拍攝之物體,故該光源21發出之光線經 該筒罩23 _之反射賤_職減魏μ驟伽向該物體, 使得該物體之反射光強度增強’從而使·轉像產品接受到足夠之 Ι321όδό 光線,以滿足低照度之環境中拍攝之要求。 本發明背光麵具有-可轉動之料且歸絲 筒罩内,使得該背光模峰具有提供顯示所需之光源功立於該 之照明功能。當該筒罩之出光σ對向該導光板之人光面時, 出之光線射向導光板並由該人光面進人導光板,用於顯示之m 於低照度之域情糾,罩旋轉,使得光源發出之光,線經= 捕向難攝之鏡,增加無之反射絲度,從而使得數位影像產 品接文到足夠之光線’滿足攝像所需之照明要求,充分_背光模組 之光源,增強數位影像產品之功能與使用性。 综上所述’本發明確已符合發明專利要件,爰依法提出專利申請。 惟,以上所述者僅為本發明之較佳實施方式’舉凡熟悉本案技藝之人 士,在援依本案發明精神所作之等效修飾或變化,皆應包含於以下之 申請專利範圍内。 、 1321686 【圖式簡單說明】 第一圖係一種先前技術背光模組之平面示意圖。 第二圖係本發明背光模組之結構示意圖。 第三圖係本發明背光模組之用於顯示光源之示意圖。 第四圖係本發明背光模組之用於照明光源之示意圖。 【元件符號說明】 背光模組 2 導光板 22 光源 21 電路驅動裝置 211 出光面 222 入光面 221 筒罩 23 出光口 231 轉軸支柱 30 柱狀透鏡 24 限位裝置 40 71 加加万式J Please refer to the second figure, which is a schematic diagram of the back domain group of the present invention. The first slab 22' is a flat plate shape, and the front surface 221 and the ray (the fourth) are connected to the human light (four). 222, the _22 is used to guide and transmit the light emitted by the light source 21. The rotating shaft 2 includes a cylinder cover 23'. The cylinder cover 23 is fixed on the rotating shaft pillar 30, and the pole glazed pillar 30 can be rotated to reduce the belt 2-! phase-disposed on the inner wall of the cylinder cover 23, and _ moving device 211 fine _ the integrated control of the 2 ° mn ^ 23 = r_ = = = =: cover = I 4G can be set to be finer (four) fresh 23 rotation. ==:=:; Column _' The column shape - ^ Refer to the third figure and the detail picture, and divide the picture of the backlight module into one. When the second it2 provides light to the liquid crystal display device, the light exit port 231 of the canopy 23 is opposite to the human wire 221 of the scale 22, and the reflection of the inner wall of the wire cover 23 of the light source 21 is finally gathered by the hybrid 24 The light guide plate a, after the light is guided and guided by the light guide plate, finally passes from the light exit surface of the light guide plate to meet the requirement of brightness and uniformity displayed by the liquid crystal display device. When the digital image product needs to perform the camera function in a low-light environment, the shaft support can be rotated by a manual lion or a motor to drive the arm 23 to rotate. The limit device 4G makes the fresh 23 Stop after rotating %. At this time, the light exiting opening 231 of the cover 23 is opposite to the object to be photographed, so that the light emitted by the light source 21 is reflected by the cover 23 _ _ _ 魏 μ μ μ 骤 μ μ 骤 μ μ μ μ μ μ μ μ μ μ The strength is enhanced to allow the image transfer product to receive enough Ι321όδό light to meet the requirements of shooting in low light environments. The backlight surface of the present invention has a rotatable material and is disposed within the wire barrel cover such that the backlight mode peak has a lighting function for providing a light source required for display. When the light σ of the cover is opposite to the light surface of the light guide plate, the light is emitted to the light guide plate and enters the light guide plate by the light surface of the cover, for displaying the m light in the low illumination range, and the cover rotation The light emitted by the light source, the line passes through the mirror that is difficult to capture, and increases the reflection of the silk, so that the digital image product receives enough light to meet the lighting requirements of the camera, and sufficient _ backlight module Light source enhances the functionality and usability of digital imaging products. In summary, the present invention has indeed met the requirements of the invention patent, and has filed a patent application according to law. However, the above description is only the preferred embodiment of the present invention. Those skilled in the art, and equivalent modifications or variations of the invention in the spirit of the invention, are included in the following claims. 1321686 [Simple description of the drawings] The first figure is a schematic plan view of a prior art backlight module. The second figure is a schematic structural view of a backlight module of the present invention. The third figure is a schematic diagram of a backlight module of the present invention for displaying a light source. The fourth figure is a schematic diagram of a backlight module of the present invention for an illumination source. [Description of component symbols] Backlight module 2 Light guide plate 22 Light source 21 Circuit drive unit 211 Light-emitting surface 222 Light-in surface 221 Tube cover 23 Light-emitting port 231 Rotary column 30 Cylindrical lens 24 Positioning device 40 7

Claims (1)

1321686 七、申請專利範圍: ' L一種背光模組,其包括一光源及一導光板,該導光板包括 -一入光面,其中該背光模組包括一可轉動之筒罩,該筒罩 設置於該導光板之入光面—側,該筒罩設有一出光口,該 光源相對於該出光口設置於該筒罩内,且該出光口隨該筒 罩的轉動而轉動。 2.如申請專利範圍第丨項所述之背光模組,其中該筒罩固 定於一轉轴支柱。 3. 如申請專利範圍第1項所述之背光模組 内壁為具高反射率之光反射面。 4. 如申請專利範圍第i項所述之背光模組 出光口設有一柱形透鏡。 5·如申請專利範圍第4項所述之背光模組 鏡之外部曲率與該筒罩之内壁曲率相同。 6.如申請專利範圍帛工項所述之背光模組 轉動之角度為0〜90度。 7·如申請專利範圍第1項所述之背光模組 發光二極體。 \如申請專利範圍第1項所述之背光模組 夕壁设置有一限位裝置。 ^如申請專利範圍第1項所述之背光模組 括—電路驅動裝置。 驅動專利1&圍第9項所述之背光模組,其中該電路 "5又置於該筒罩内壁上且與該光源相連。 其中該筒罩之 其中該筒罩之 其中該柱形透 其中該筒罩可 其中該光源為 其中該筒罩之 其中該光源包 8 1321686 11.如申請專利範圍第1項所述之背光模組,其中該光源隨 該筒罩的轉動而轉動。1321686 VII. Patent application scope: 'L A backlight module includes a light source and a light guide plate, the light guide plate includes a light entrance surface, wherein the backlight module includes a rotatable cover, the cover cover is set The light cover is disposed on the light-incident side of the light guide plate, and the light cover is disposed in the cover with respect to the light-emitting port, and the light-emitting port rotates with the rotation of the cover. 2. The backlight module of claim 2, wherein the cover is fixed to a rotating shaft pillar. 3. The inner wall of the backlight module as described in item 1 of the patent application is a light reflecting surface with high reflectivity. 4. The backlight module of the backlight module as described in claim i is provided with a cylindrical lens. 5. The outer curvature of the backlight module mirror as described in claim 4 of the patent application is the same as the curvature of the inner wall of the cylinder cover. 6. The angle of rotation of the backlight module as described in the scope of application of the patent application is 0 to 90 degrees. 7. The backlight module light-emitting diode according to claim 1 of the patent application. \If the backlight module described in item 1 of the patent application scope is provided with a limit device. ^ The backlight module as described in claim 1 is a circuit-driven device. The backlight module of claim 9, wherein the circuit "5 is placed on the inner wall of the cover and connected to the light source. Wherein the cylindrical cover of the cylindrical cover is in the cylindrical shape, wherein the cylindrical cover is in the light source, wherein the light source is the light source package of the light cover 8 1321686 11. The backlight module according to claim 1 Where the light source rotates with the rotation of the can.
TW93109172A 2004-04-02 2004-04-02 Back light source device TWI321686B (en)

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TW93109172A TWI321686B (en) 2004-04-02 2004-04-02 Back light source device

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Application Number Priority Date Filing Date Title
TW93109172A TWI321686B (en) 2004-04-02 2004-04-02 Back light source device

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TW200533998A TW200533998A (en) 2005-10-16
TWI321686B true TWI321686B (en) 2010-03-11

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