TWM277952U - Improved structure for uniformity of backlight module - Google Patents

Improved structure for uniformity of backlight module Download PDF

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Publication number
TWM277952U
TWM277952U TW94210120U TW94210120U TWM277952U TW M277952 U TWM277952 U TW M277952U TW 94210120 U TW94210120 U TW 94210120U TW 94210120 U TW94210120 U TW 94210120U TW M277952 U TWM277952 U TW M277952U
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Taiwan
Prior art keywords
backlight module
light
uniformity
uniformity structure
reflection
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TW94210120U
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Chinese (zh)
Inventor
Kuen-Jin Li
Ying-Jr Liou
Jian-Lung Li
Chung-Jie Huang
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Kenmos Technology Co Ltd
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Priority to TW94210120U priority Critical patent/TWM277952U/en
Publication of TWM277952U publication Critical patent/TWM277952U/en

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M277952 八、新型說明: • 【新型所屬之技術領域】 本創作係關於一種背光模組均齊度結構改良,其係以直下式背光模組所應 用之三稜鏡,藉由集光效果,集中燈源散射後之光線,以增進該背光模組可視 區域之明亮均齊度可提高之背光模組均齊度結構改良。 ^ 【先前技術】 習用背光模組均齊度結構1,請參閱第一圖所示,在反射板13的上端面設 有三角錐狀反射片12,該反射片12設有光滑表面,且在反射片12的上方設有 等距排列之複數燈管11,而三角錐狀反射片則設置於兩燈管n的中間處, 若複紐管11賴電源碰光時,該反她13的表面接收光源祕射,並將 該光源折射,該反絲13德管U的魏驗有平硫,且在光線的反 射及折射動作下,形成在背光模組均齊度結構i的可視區域上,呈現有亮度明 #暗狗的情況,造成背光模_齊度轉丨所要達成之功效降低,目此增加一 三角錐狀之反射# 12,唯其僅具有單純反概果,f因與絲距離縮短等問題, 產生不同的反射角度之死角,仍然產生灰階效果,在講究薄形且精密化要求下, 除帶給使用者在視覺上之不舒適’亦帶給業界頗大的困擾。 以上所述該習用背光模組均齊唐姓播私〇1 _ W又…構’並沒有達到帶給使用者有相當便利 性’由此可見’以往使用者在應用該習用背光模組均齊度結構置時仍具有上 述之缺失,實有加以改良之必要。 M277952 【新型内容】 本創作之主要目的即在於提供—_均齊_改良,該背光模組 均齊度結_朗於直下式f絲組上,”光魅神赫射所設之三棱 鏡係可物雛犧賴瓣,㈣糊三角錐狀或 射之形態’安置於兩光_,且齡於反射板上方,俾使該魏模组整體的 明焭均齊度可以提高。 , 本創作之絲目_在於提供-種背細_贿結觀良,主要係以擴 散片等輔助三稜鏡以增縣學效應;該三稜鏡騎光模組之集光反射構件,在 倒三稜鏡_面射增設有—平面驗#、雜㈣、曲面鏡及細點狀侧 加工處理,以增進該倒三稜鏡具有強烈擴散光源的能力,將集中之光線均雛 射之投射區,·使光剌成具有光娜、光反概光擴散效果,以提高背光 裝置可視輯亮度或可視肖度,及避免兩光射所構成灰階效應_暗不均情 況。 本創作之次要目的即在於提供一種背光模組均齊度結構改良,其中該三稜 鏡可以為複數設置,以加強並促進光線反射、折射及集光等連鎖反應效果,形 成複合強化均齊度之反射裝置,以提供背光模組更薄或更輕便之效果。 【實施方式】 請參考第二圖及第三圖所示,由圖中可知,在背光模組均齊度結構2的底板 21上方設有一反射片22,該反射片22上方設有有燈管組23,該燈管組23係由 數等距排列燈管24及固定架231所組成,在燈管組23下方設有倒立之三稜鏡 25,該三稜鏡25係以倒三角錐狀型態設置於兩燈管24中間處,有助於光線在 M277952 三稜鏡25之射光賴散射之光職上投射,·補兩燈管%間之亮度不足 情況,由於數三稜鏡25為透明狀態,藉光線人射角度之不同使燈管=的光 線况形成具有光折射、光反射之交互作用的連鎖效果而造成該三棱㈣的 反射面形絲光效應,投祕上紐極赠鱗絲_齊度轉2呈現亮 度均勻狀態,可避免兩光源中所構成灰諧效應_暗狗情況,該倒三棱鏡烈 具有強烈集巾光賴能力’俾使該背光模組均齊,度結構2整體的明亮均齊度可 以提高,且在三稜鏡25上方設有反射片26,該反射片26可容設於外框體27内 部,該外框體27可與燈管組23之固定架231組合成一體,且該固定架231可 供底板21鎖合成一體,即構成一背光模組均齊度結構2。 請參考第三之a及第三之b圖,由圖中可知,該三稜鏡25促使該光線251 產生反射效果,將光線251反聚集後投射後,即可得如第三之b圖之較平緩之 均齊度效果,輝度之數據在可視區中不會產生過強或過暗之灰階效應,為一平 緩之曲線。 請參考第三之c及第三之d圖,由圖中可知,該習用背光模組結構8的反 射片83上方設有數光源81,在光源81上方設有擴散片82,由於在兩光源81 間未設有均齊度結構,因此容易產生兩個光源亮點A、C,並且在兩個光源亮點 A、C間產生光源暗點B (請參考第三之d圖),形成均齊度之重大落差效應,在 投射後,將產生暗影等灰階效果。 請參考第四圖所示,由圖中可知,在背光模組均齊度結構3的底板31上方 設有一反射板32,在反射板32的上方設有數燈管33,在燈管33間各設有三稜 鏡34其上設有一曲面,且在該三稜鏡34的頂面設有圓弧形之曲面鏡341,該曲 M277952 面鏡341可使光線342透過三稜鏡34所集中之光線容易產生散射效果且該光 線散射區域可以擴增,以達背光模組均齊度結構3的明亮度可以全面提昇。 請參考第五圖所示,由圖中可知,在背光模組均齊度結構4的底板41上方 設有-反雜42,在反織42的上方财紐f 43,在鮮43間各設有倒三 角的三棱鏡44,且在各三稜鏡44的頂面上皆設有複數條狀片45,使光線441 在投射至反射片46上容易產生散射效果,以達背光模組均齊度结構㈣明亮度 可以提昇。 請參考第六圖所示,由圖中可知,在背光模組均_結構5的底板51上方 設有-反射板52,在反射板52的上方設有數燈管53,在燈管%間各設有倒三 角椎狀之三稜鏡54,且在各三稜鏡54龍面JL皆齡有_平_散# % ,使 光線541在三稜鏡54内部,藉由三稜鏡54集級再藉由平面擴散片%形成擴 散,以達在反射# 56上容易產生具有散射效果,使背光模組有更大視角及不同 視角下不會有亮暗線之產生,更增進實用效果。 請參考第七解,由®巾可知,在背細_齊度結構6 _光源63間含 設有複數三稜鏡65之構件,其中三稜鏡65係貼合於三角錐體&外緣面似,該 三角錐體61可以為反射片或擴散片之構件,以達該光線μ形成更佳之光反射及 折射效果,二角錐體61内部可設為中空或實體,若以中空為例,該三角錐體61 配合擴散片之效果較佳,其中三角錐體61係設置於底板66之上,可以形成較多 之反射集光效應。 請參考第八圖所示,由圖中可知,在背光模組均齊度結構7的三角錐體71 外緣面72貼合有三稜鏡75,當光源73將光線74投射入三稜鏡75後,形成有 光線折射75卜光線反射752及光線透射753等效應,其中該光線透射753玎透 M277952 , 過中空的三角錐體71後,再藉由反射板76將光線74投射至三稜鏡75之内,带 * 成多重集光、反射、折射之效應,因此更能產升均齊度之效果進一步使可視角 落均齊度可以提昇。 為使本創作更加顯現出進步性與實用性,玆與習用產品作一比較分析如下· 習用缺失: 1·背光模組均齊度結構的可視區域上,容易呈現有亮度明暗不均的情況。 ^ 2·背光模組均齊度結構所要達成之功效降低,並帶給使用者在視覺上之不舒適。 本創作之優點: 1· 光模組均齊度結構亮度,並提升使用者在視覺上的舒適度。 2·在三稜鏡的頂面處可增設有一平面擴散片、數條狀片、曲面鏡及作網點狀蝕 刻加工處理,以增進該倒三角三稜鏡具有強烈擴散光源的能力,俾使該背光 模組整體的明亮均齊度可以提高。 上列詳細說明係針對本創作之一可行實施例之具體說明,惟該實施例並非 φ 用以限制本創作之專利範圍,凡未脫離本創作技藝精神所為之等效實施或變 更,均應包含於本案之專利範圍中。 知上所述,本案不但在技術思想上確屬創新,並能較習用之物品增進上述 多項功效,應已充分符合新穎性及進步性之法定創新專利要件,爰依法提出申 請,懇請貴局核准本件新型專利申請案,以勵創作,至感德便。 【圖式簡單說明】 第一圖為習用背光模組均齊度結構改良之剖示圖。 第二圖為本創作背光模組均齊度結構改良之分解示意圖。 9 M277952 第三圖為本創作背光模組均齊度結構改良之第—實施例剖面圖。 弟二之a圖為本創作光線折射之示意圖。 第三之b圖為本創作光線折射後檢測均齊度之結果。 第三之C _另-種制背光模組結構之剖面圖。 第之d圖為另種驾用月光模組結構之光線折射後檢測均齊度之結果。 第四圖為本創作背光模組均齊度結構改良之第二實施例示意圖。 第五圖為本創作背光模組均齊度結構改良之第三實施例示意圖。 第六圖為本創作背光模組均齊度結構改良之第四實施例示意圖。 第七圖為本創作多重結構之示意圖。 第八圖為本創作複數三稜鏡的統射及折射交互作用示意圖。 【主要元件符號說明】 習用背光模組均齊度結構1 燈管11 反射片12 反射板13 背光模組均齊度結構 2 底板21 反射片22 燈管組23 固定架231 燈管24 三稜鏡25 光線251 反射片26 外框體27 M277952 背光模組均齊度結構3 底板31 反射板32 燈管33 三棱鏡34 曲面鏡341 光線342 反射片35 背光模組均齊度結構4 - 底板41 反射板42 • 燈管43 三稜鏡44 光線441 條狀片45 反射片46 背光模組均齊度結構5 底板51 反射板52 燈管53 三稜鏡54 光線541 擴散片55 • 反射片56 背光模組均齊度結構6 三角錐體61 外緣面62 光源63 光線64 三稜鏡65 底板66 背光模組均齊度結構7 三角錐體71 外緣面72 光源73 光線74 M277952 三稜鏡75 光線折射751 光線反射752 光線透射753 反射板76 習用背光模組均齊度結構8 光源81 擴散片82M277952 8. Description of the new type: [Technical field to which the new type belongs] This creation is about the improvement of the uniformity structure of a backlight module, which is based on the application of the direct-type backlight module. The light scattered by the light source can improve the brightness uniformity of the visible area of the backlight module, and can improve the uniformity structure of the backlight module. ^ [Prior art] The uniformity structure 1 of the conventional backlight module is shown in the first figure. A triangular cone-shaped reflective sheet 12 is provided on the upper end surface of the reflective plate 13, and the reflective sheet 12 is provided with a smooth surface and is reflective. A plurality of equidistantly arranged lamp tubes 11 are arranged above the sheet 12, and a triangular cone-shaped reflective sheet is arranged at the middle of the two lamp tubes n. If the complex button tube 11 receives light from the power source, the surface of the counter tube 13 receives The light source is shot secretly and refracts the light source. The anti-wire 13 German tube U has flat sulfur, and is formed on the visible area of the uniformity structure i of the backlight module under the action of reflection and refraction of light. There is the case of brightness bright #dark dog, resulting in a reduction in the effect of the backlight mode _ uniformity conversion. Now a triangular cone-shaped reflection # 12 is added, only it has a simple anti-probability, and the distance between f and the wire is shortened. Other problems, such as dead angles with different reflection angles, still produce gray-scale effects. Under the requirements of thinness and precision, in addition to bringing visual discomfort to users, it also brings considerable confusion to the industry. The above-mentioned conventional backlight module is all in the same name as Tang ’s Broadcasting 〇1 _W and ... the structure has not reached the user's convenience, which shows that the past users are all using the conventional backlight module. The degree structure still has the above-mentioned shortcomings, and it is necessary to improve it. M277952 [New content] The main purpose of this creation is to provide—_uniformity_improvement, the uniformity of the backlight module_language on the straight-type f wire group, “The triangular prism set by Guangmei Shenhesha can The nestling sacrifice the petals, and the shape of the triangular triangle cone or shot is 'placed on two light rays' and is aged above the reflecting plate, so that the uniformity and uniformity of the entire Wei module can be improved. The purpose is to provide-a kind of back-thinness_ bribery and guanguanliang, which is mainly used to help Sanxian to increase the prefectural effect by diffusing films; the light-reflecting member of the Sanxian riding light module is in the Sanxian _ The surface shot is additionally provided with —plane inspection #, miscellaneous lenses, curved mirrors, and fine point-like side processing to enhance the ability of the inverted three lenses to strongly diffuse the light source, and to project the projection area where the concentrated light is evenly shot. It has the effect of diffusing light and reflecting light to improve the brightness or viewing angle of the visible light of the backlight device, and to avoid the gray level effect _ dark unevenness caused by the two light rays. The secondary purpose of this creation is to provide a The uniformity structure of the backlight module is improved, and the triplet can be plural It is set to strengthen and promote the chain reaction effect of light reflection, refraction and light collection, to form a reflection device with composite enhanced uniformity to provide a thinner or lighter backlight module. [Embodiment] Please refer to the second figure As shown in the third figure, it can be seen from the figure that a reflecting sheet 22 is provided above the bottom plate 21 of the uniformity structure 2 of the backlight module. A lamp group 23 is provided above the reflecting sheet 22, and the lamp group 23 is It consists of a number of equidistantly arranged lamp tubes 24 and a fixed frame 231. Below the lamp group 23, there is an inverted cymbal 25, which is arranged in the shape of an inverted triangle cone in the middle of the two light tubes 24. This helps light to be projected on the light beam of M277952, three beams of 25, and scattered light, and the lack of brightness between the two lamps. As the number of beams of 25 is transparent, the angle of the light beams is The different light conditions of the lamp tube form a chain effect with the interaction of light refraction and light reflection, resulting in the reflective surface-shaped mercerizing effect of the triangular prism. State to avoid gray harmonic effects in the two light sources_ In the case of dogs, the inverted triangular prism has a strong ability to gather light and light, so that the backlight module is uniform, the brightness uniformity of the overall structure 2 can be improved, and a reflective sheet 26 is provided above the three 25. The reflection sheet 26 can be accommodated inside the outer frame body 27. The outer frame body 27 can be combined with the fixing frame 231 of the lamp tube group 23, and the fixing frame 231 can be locked into one with the bottom plate 21 to form a backlight module. Group uniformity structure 2. Please refer to the third a and the third b pictures. From the figure, it can be seen that the three rays 25 cause the light 251 to have a reflection effect. After the light 251 is de-focused and projected, you can get As shown in the third b, the smoother uniformity effect, the luminance data will not produce too strong or too dark gray scale effect in the visible area, it is a smooth curve. Please refer to the third c and the third As can be seen from the figure, a number of light sources 81 are provided above the reflection sheet 83 of the conventional backlight module structure 8 and a diffusion sheet 82 is provided above the light source 81. Since there is no uniformity structure between the two light sources 81, Therefore, it is easy to generate two light source bright points A and C, and light is generated between the two light source bright points A and C. Source dark point B (please refer to the third figure d), forming a significant drop effect of uniformity. After projection, it will produce grayscale effects such as shadows. Please refer to the fourth figure. As can be seen from the figure, a reflecting plate 32 is provided above the bottom plate 31 of the uniformity structure 3 of the backlight module, and a plurality of lamp tubes 33 are provided above the reflecting plate 32. There is a cymbal 34 on which a curved surface is provided, and an arc-shaped curved mirror 341 is provided on the top surface of the cymbal 34. The curved M277952 mirror 341 allows light 342 to pass through the concentrated light of the cymbal 34 It is easy to produce a scattering effect and the light scattering region can be expanded to achieve the brightness of the uniformity structure 3 of the backlight module. Please refer to the fifth figure. As can be seen from the figure, the anti-alias 42 is provided above the bottom plate 41 of the uniformity structure 4 of the backlight module, and the financial button f 43 is arranged above the anti-weave 42. A triangular prism 44 having an inverted triangle, and a plurality of strips 45 are provided on the top surface of each of the triangles 44 so that the light 441 is easily scattered on the reflection sheet 46 to achieve uniformity of the backlight module. Structure: Brightness can be improved. Please refer to the sixth figure. As can be seen from the figure, a reflection plate 52 is provided above the bottom plate 51 of the backlight module 5 structure, and a number of lamp tubes 53 are provided above the reflection plate 52. There is an inverted triangle vertebrate 稜鏡 54, and in each of the 稜鏡 54 dragon faces, there are _ 平 _ 散 #% of the age, so that the light 541 is inside the 稜鏡 54, and through the 稜鏡 54 episode level Then, the diffusion is formed by the planar diffusion sheet% so as to easily produce a scattering effect on the reflection # 56, so that the backlight module has a larger viewing angle and no bright and dark lines are generated at different viewing angles, which further improves the practical effect. Please refer to the seventh solution. From the ® towel, you can see that there are multiple three 65 in the back of the thin _ uniformity structure 6 _ light source 63, three of which are attached to the triangular pyramid & Similar to the edge, the triangular pyramid 61 can be a member of a reflection sheet or a diffusion sheet to achieve a better light reflection and refraction effect of the light μ. The interior of the pyramid 61 can be hollow or solid. If hollow is used as an example, The triangular pyramid 61 works better with a diffusion sheet, and the triangular pyramid 61 is disposed on the bottom plate 66, which can form more reflective light collection effects. Please refer to the eighth figure. As can be seen from the figure, the outer edge surface 72 of the triangular cone 71 of the backlight module uniformity structure 7 is bonded to the three chirps 75. When the light source 73 projects the light 74 into the three chirps 75 Later, the effects of light refraction 75, light reflection 752, and light transmission 753 are formed, in which the light transmission 753 passes through M277952, and after passing through the hollow triangular cone 71, the light 74 is projected to the three angles through the reflection plate 76. Within 75, the band * has multiple effects of light collection, reflection, and refraction, so the effect of increasing uniformity can further increase the uniformity of the visible corners. In order to make this creation more progressive and practical, a comparative analysis with conventional products is as follows: The lack of custom: 1. The visible area of the uniform structure of the backlight module is easy to present uneven brightness and darkness. ^ 2. The effect of the uniformity structure of the backlight module is reduced, and it brings visual discomfort to the user. The advantages of this creation: 1. The light modules are uniform in structure brightness and improve the visual comfort of users. 2. A flat diffuser, several strips, curved mirrors, and dot-like etching processing can be added on the top surface of the three triangles to enhance the ability of the inverted triangle three triangles to strongly diffuse the light source. The brightness uniformity of the entire backlight module can be improved. The above detailed description is a specific description of one of the feasible embodiments of this creation, but this embodiment is not intended to limit the scope of the patent for this creation. Any equivalent implementation or change that does not depart from the spirit of this creation technique should include Within the scope of the patent in this case. As mentioned above, this case is not only technically innovative, but also enhances the above-mentioned multiple effects over conventional items. It should have fully met the requirements of statutory innovation patents that are novel and progressive. Apply for it in accordance with the law and ask your office for approval. This new type of patent application is inspired by creativity and is of great virtue. [Brief description of the drawings] The first figure is a sectional view showing the improvement of the uniformity structure of a conventional backlight module. The second figure is an exploded view of the improvement of the uniformity structure of the creative backlight module. 9 M277952 The third figure is a cross-sectional view of the first embodiment of the improved uniformity structure of the creative backlight module. The second picture of Di Er is a schematic diagram of the refraction of light in the creation. The third picture b is the result of detecting the uniformity after the light is refracted. The third C_other- a sectional view of the structure of the backlight module. Figure d is the result of detecting the uniformity after the light of another driving moonlight module structure is refracted. The fourth figure is a schematic diagram of the second embodiment of the improved uniformity structure of the creative backlight module. The fifth figure is a schematic diagram of the third embodiment of the uniformity improvement structure of the creative backlight module. The sixth figure is a schematic diagram of the fourth embodiment of the uniformity improvement structure of the creative backlight module. The seventh figure is a schematic diagram of the multiple structures of the creation. The eighth figure is a schematic diagram of the interaction and refraction of the complex triplet. [Description of main component symbols] Conventional backlight module uniformity structure 1 Light tube 11 Reflective sheet 12 Reflective plate 13 Backlight module uniformity structure 2 Base plate 21 Reflective sheet 22 Light tube group 23 Fixing frame 231 Light tube 24 Three 25 Light 251 Reflector 26 Outer frame 27 M277952 Backlight module uniformity structure 3 Base plate 31 Reflector 32 Light tube 33 Triangular prism 34 Curved mirror 341 Light 342 Reflector 35 Backlight module uniformity structure 4-Base plate 41 Reflector 42 • Light tube 43 Three beams 44 Light 441 Strips 45 Reflective sheets 46 Backlight module uniformity structure 5 Base plate 51 Reflective plate 52 Light tubes 53 Three beams 54 Light 541 Diffusion sheet 55 • Reflective sheet 56 Backlight module Homogeneity structure 6 Triangular cone 61 Outer edge surface 62 Light source 63 Light 64 Uniform structure 65 Triangular cone 71 Outer surface 72 Light source 73 Light 74 M277952 Three light 75 Refraction of light 751 light reflection 752 light transmission 753 reflection plate 76 uniform backlight structure of conventional backlight module 8 light source 81 diffuser 82

反射片83 光源亮點A、CReflective sheet 83 Light source bright spots A, C

光源暗點BLight source dark point B

1212

Claims (1)

M277952 九、申請專利範園: 1· 一種背光模組均齊度結構改良,該背光模組均齊度結構係應用於直下式背光 模組上,而背光模組均齊度結構中所設之三稜鏡,係可作為背光模組均齊度 結構之反射構件,該三稜鏡係為倒三角錐狀或適當之形態安置於兩光源間, 在底板設有一板面,在板面的上方設有一反射片,該反射片上方設有有燈管 •組,該燈管組係由數等距排列燈管及固定架所組成,在燈管碰上方設有三稜 Φ 鏡,該三稜鏡係以倒三角錐狀型態設置於兩燈管中間處,有助於集中水平端 或底板反射之光線’再反射至上方投射區,以彌補兩燈管間之亮度不足情 況’由於三棱鏡可使燈管光線形成具有光折射、光反射之交互作用的連鎖效 果,而造成強化兩光源間投射區之光源強度,以達該背光模組均齊度結構呈 現亮度均勻狀態,在三稜鏡上方設有反射片,該反射片可容設於外框體内 部’且該外框體可與燈源組之固定架組合成一體,而該固定架可與底板鎖合 成一體,即構成一背光模組均齊度結構。 # 2·如申請專利範圍第1項所述之背光模組均齊度結構改良,其中該三稜鏡之水 平端面係與反射板呈現平行狀態。 3·如申請專利範圍第1項所述之背光模組均齊度結構改良,其中該三棱鏡之水 平端面可增設有一平面擴散片、數條狀片、曲面鏡及作網點狀餘刻加工處 理,以增進該倒三角三稜鏡可具有強烈擴散光源的能力。 4·如申請專利範圍第1項所述之背光模組均齊度結構改良,其中可以為一成複 數個三稜鏡加以設置,以配合所需之效果。 13M277952 Nine, patent application Fanyuan: 1. An improvement in the uniformity structure of the backlight module, the uniformity structure of the backlight module is applied to the direct-type backlight module, and the backlight module is provided in the uniformity structure. The triplex is a reflective member that can be used as the uniformity structure of the backlight module. The triplex is an inverted triangular cone or an appropriate shape and is placed between the two light sources. A plate surface is provided on the bottom plate and above the plate surface. There is a reflecting sheet, and a lamp tube group is arranged above the reflecting sheet. The lamp group is composed of a plurality of equidistantly arranged lamp tubes and a fixed frame. A triangular prism mirror is arranged above the lamp tube. It is set in the shape of an inverted triangle cone in the middle of the two lamps, which helps to concentrate the light reflected from the horizontal end or the bottom plate 're-reflects to the upper projection area to compensate for the lack of brightness between the two lamps.' The light of the lamp tube forms a chain effect with the interaction of light refraction and light reflection, which results in strengthening the intensity of the light source in the projection area between the two light sources, so that the uniformity structure of the backlight module presents a uniform brightness state. With reflection The reflecting sheet can be accommodated inside the outer frame, and the outer frame can be combined with the fixing frame of the light source group, and the fixing frame can be integrated with the bottom plate to form a uniformity of the backlight module. structure. # 2 · The uniformity structure of the backlight module is improved as described in item 1 of the scope of patent application, wherein the horizontal end face of the three modules is parallel to the reflective plate. 3. The uniformity structure improvement of the backlight module according to item 1 of the scope of the patent application, wherein the horizontal end surface of the triangular prism can be additionally provided with a flat diffuser, a plurality of strips, a curved mirror, and a dot-like finish machining. In order to enhance the ability of the inverted triangle triplex to have a strong light source diffusion. 4. The uniformity structure of the backlight module is improved as described in item 1 of the scope of the patent application. Among them, it can be set to a plurality of triplets to match the desired effect. 13
TW94210120U 2005-06-16 2005-06-16 Improved structure for uniformity of backlight module TWM277952U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110546557A (en) * 2017-04-26 2019-12-06 西铁城电子株式会社 back light source

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110546557A (en) * 2017-04-26 2019-12-06 西铁城电子株式会社 back light source
US11506935B2 (en) 2017-04-26 2022-11-22 Nichia Corporation Backlight
CN110546557B (en) * 2017-04-26 2023-02-21 日亚化学工业株式会社 Back light source
US11675230B2 (en) 2017-04-26 2023-06-13 Nichia Corporation Backlight

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