TWI280039B - Light reflecting structure - Google Patents

Light reflecting structure Download PDF

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Publication number
TWI280039B
TWI280039B TW93126812A TW93126812A TWI280039B TW I280039 B TWI280039 B TW I280039B TW 93126812 A TW93126812 A TW 93126812A TW 93126812 A TW93126812 A TW 93126812A TW I280039 B TWI280039 B TW I280039B
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Taiwan
Prior art keywords
light source
light
source
reflective
sheet
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TW93126812A
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Chinese (zh)
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TW200610362A (en
Inventor
Te-Chen Peng
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Teco Image Sys Co Ltd
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Priority to TW93126812A priority Critical patent/TWI280039B/en
Publication of TW200610362A publication Critical patent/TW200610362A/en
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Publication of TWI280039B publication Critical patent/TWI280039B/en

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Abstract

The present invention discloses a light reflecting structure for evenly reflecting the light of a light source to increase the image scanning quality. The light reflecting structure includes a light source disposed in a trench of a light source module, and a light reflecting piece fixed with the light source and having plural light shading surfaces for shading a part of the light provided by the light source so as to even the light and emit the reflected light.

Description

1280039 九、發明說明: 【發明所屬之技術領域】 尤指一種應用於掃描器之光 本案係關於一種光源反射結構 源反射結構。 【先前技術】 更快速的趨勢下,不斷地推陳出新,除了在外觀上傾向輕、薄、 短、小的設計,產品的功能性及品f良好性亦成為消費者講買電 子產品之$要考量。例如鱗描“言,文件掃微之影像品質 就是消費者於購科的最大考量,而影像的品質必須取決於掃描 器内部之多項元件的互械合,射光源及其反射光的亮度係為 決疋影像品質的最大因素。 目前市面上可見之掃描ϋ大㈣傳動機構_來進行掃描動 作,且其光源反射結構係具有至少發光源以及反射元件。發光源 以燈官為之,且其轴心方向與掃描方向平行,產生之光線可照射 至玻璃上方欲掃描之文件,其反射的光線則可透過反射元件進入 鏡頭中予以聚光,並將光聚焦於電荷耦合元件,以讓電荷耦合元 件處理光訊號,並使其轉換為可接受之類比或數位訊號。由於, 發光源之燈管兩端之光源亮度會較中間之光源亮度稍弱,而使得 燈管兩端之光源相對成為無效區,如此,欲掃描之文件便無法受 到均勻的光源照射,而所掃描出來之影像品質就會受到大大的影 12800391280039 IX. Description of the invention: [Technical field to which the invention pertains] In particular, a light applied to a scanner relates to a light source reflective structure source reflection structure. [Prior Art] Under the trend of rapider, constantly innovating, in addition to the appearance of light, thin, short, and small design, the functionality of the product and the goodness of the product have become a consideration for consumers to buy electronic products. . For example, the scale painting "words, the image quality of the document scanning is the biggest consideration for consumers in the purchase of the subject, and the quality of the image must depend on the mutual mechanical interaction of the various components inside the scanner. The brightness of the source and its reflected light is The biggest factor in image quality is the scanning ϋ (4) transmission mechanism currently available on the market to scan, and the light source reflection structure has at least a light source and a reflection element. The light source is the lamp officer and its axis The direction of the heart is parallel to the scanning direction, and the generated light can be irradiated onto the document to be scanned above the glass, and the reflected light can be concentrated into the lens through the reflective element to concentrate and focus the light on the charge coupled element to allow the charge coupled element Processing the optical signal and converting it into an acceptable analog or digital signal. Since the brightness of the light source at both ends of the light source of the light source is slightly weaker than the brightness of the light source in the middle, the light source at both ends of the light tube is relatively inactive. Thus, the document to be scanned cannot be illuminated by a uniform light source, and the quality of the scanned image is greatly affected. 0039

f隹’掃描器之光源對掃描文件所照射之亮度必須具有均一 险、>如果為了要增加辆之有效長度,來使得掃描文件受到均句 的光源照射,_就得_長度較長之光祕管,而可能就得增 大掃描11之整魏度,料了翻ϋ之外魏整體體積。 、,疋以’如何改善以上所述之缺失,而研發出一種可提供均句 光源之掃All之光源反射結構係為當前所應積極研究之課題。 【發明内容】 、,本案係提供-種應用於掃描器之光源反射結構,其係可使發 光源之發光党度以羽的方式被反射妹,如此以改善習知之發 光源燈管1%端之光源亮度朗,使得欲掃描之文件受到不均句光 源照射,而影響掃描後所成形之影像品質。 為達上述目的,本案之一較廣義實施樣態為提供一種光源反 射、、、口構’其包含·發光源’其係設置於光賴組之凹槽内;以及 反光片’倾發光顧定,且具有複數個遮絲面,肋阻隔部 分發光源所提供之光線,俾明勻化光線後輸出反射光。 本案之另-廣義實施樣態為提供一種光源反射結構,其包 含·發光源’其係設置於光源模組之凹槽内;以及複數個反光片, 係與發絲,且具有複數個遮絲面,_阻隔部分該發光 源所提供之光線,俾以均勻化光線後輸出反射光。 !28〇〇39 根據本案之構想,其中反光片更包含複數個反光片。 根據本案之構想’其中反光片係固定於發光源之下方、對面 或側面。 根據本案之構想,其中遮光表面係以反光片中間相對兩端的 位置向兩侧由密而疏分布。 根據本室灸樽想二其土遮光表面係呈條紋狀。 根據本案之構想,其中遮光表面係呈點狀。 根據本案之構想’其中反光片之遮光表面之面積係以反光片 中間相對兩端的位置向兩側逐漸變小。 根據本案之構想,其中發光源上方設有玻璃。 根據本案之構想,其中發光源係為燈管。 根據本案之構想,其中光源模組係為電荷搞合元件光源模組 (CCD MODULE) 〇 根據本案之構想,其中該光源反射結構係應用於掃描器、傳 真機或是影印機等光學電子產品。 根據本案之構想,其中反光片係為反光貼紙。 根據本案之構想,其中反光片之遮光表面係以印刷的方气— 成。 — 根據本案之構想,其中反光片之遮光表面係以噴漆的方式— 成。 根據本案之構想,其中反光片之遮光表面係灰階漸層的方弋 1280039 完成。 【實施方式】 體現本案特徵與優關—些典型實關將在後段的說明中詳 細敘述。應理解的是本案能夠在不__上具有各種的變化, 其皆不脫離本案的,且其中的說明漏示在本質上係當作說 明之用,而非用以限制本案。 本案之光源反射結構主要係翻於掃縫,肋均勻化反射 出來的光源,然棚相似原理或具有相同結構之電子裝置,例如 傳真機或是影印機等亦可應用本案之技術。 請參閱第一圖,其係為本案之光源反射結構應用於掃描器之 實施例示意圖。如第一圖所示,本案之光源反射結構主要包含發 光源11以及反光片12,其中發光源12係設置於光源模組1〇之凹 槽101内,而光源模組10係為掃描器中常見之電荷耦合元件光源 模組(CCD MODULE),其係藉由傳動機構的驅動來進行掃描動 作,而發光源11通常係為燈管,以於光源模組10進行掃描時提 供所需之光源。反光片12係與發光源11固定,其中反光片12係 可固定於發光源11之下方、對面或侧面,其係將發光源11產生 的光線反射至玻璃上方欲掃描之文件,而由玻璃處反射回來的光 線便可透過反射元件進入鏡頭中予以聚光,並將光聚焦於電荷摩禺 合兀件’以讓電何搞合元件處理光机?虎’並使其轉換為可接受之 1280039 類比或數位訊號,及此反光片的數量並無特定限制,且亦可設置 於發光源之對面或是侧面位置(未圖示),以使由玻璃處反射回來的 光線便可透過反射元件進入鏡頭中予以更加集中聚光。其中,本 案之反光片12係具有複數個遮光表面121,其係可阻隔部分發光 源11所提供之光線,也就是說,利用反光片12上之遮光表面121, 讓部分的光源被遮光表面121吸收進去而無法反射出來,那麼, 原本因為發光源11之燈管兩端的光源亮度較中間稍弱而造成的非 均勻光源便可由反光片12上均勻地反射出來。 此外,再請參閱第一圖,本案光源反射結構之發光源u係以 跨架的方式裝設於光源模組1〇之凹槽101中,並於凹槽1〇1之表 面間隔有一小段距離,而反光片12係設於發光源u之下方,且 黏貼於凹槽1G1之表面上,其巾反光;^12係具有複數個遮光表面 Ϊ21,其係可阻隔部分該發光源u所提供之光線。請參閱第二圖 (a)、(b) ’其係為本案之光源反射結構之反光片之實施例示意圖。 如第二”)所示,反光片之遮絲面係可呈條紋狀或是點狀, 且係以該反光片中間相對兩端的位置向兩侧由密而疏分布,那麼 發光源㈣較亮的光源部份就會被反光片上較多的遮絲面所阻 擋’而發光源兩側的光源被阻擋的比舰會相對較少,如此,便 β句勻化由反光>1上所反射出來的光源,而於光源模組進行掃描 動作時,讓光源模組上方放置於玻璃上的待掃描文件受到均勾的 光線’而可使得掃描所得之縣於均勻的反射光線下成形。可想 1280039 像的’一旦掃描文件可於均勻的反射光線下進行掃描,掃描出來 之影像品質當然會比習知技術所能提供的影像品質進步許多。 當然’本案之構想所提供之反光片上之遮光表面並不褐限於 第二圖(a)、(b)所示之實施例而已,例如遮光表面可設計為以該反 光片中間相對兩端的位置向兩側逐漸縮小面積之各種形狀的表 面’而形狀圖樣除了條紋或點狀外’亦可為波浪或是圓點狀,另 外粗細大小亦無限定,只要是可讓發光源之亮度呈漸層式,並由 中間向兩侧由密而疏分布亦為本案所提供之技術範圍内。此外,參 反光片上遮光表面的疏密比例係可依需求來調整,依照發光源發 出之光源亮度,便可按_來分布遮絲面,所賴脸制反射 出來的光線均勻度。通常,遮絲面射以_或魏的方式佈 設於反光片之表面上,然而’如果成本允許的話,亦可利用灰階 漸層的方式佈設遮絲面於反光壯,如此也可達朗樣的效果。 縱上所述,本案之光源反射結構由於利用具有複數個遮光表 面之反光片來阻隔部分該發光源所提供之光線,並以漸層式的方_ 式從反光片之中__由飾疏分布,使得發統、原本分布不 均勾的光源得以被適度_,而發散㈣勻的光線,讓放在翻 上的待掃描文胁均⑽光線下進行勒,#射縣習知技術 發光源之燈管兩端之光源亮度不平均,使得燈管兩端之光源相對 成為無效區而進-步讓掃描出來之影像品質受到影響的缺失。再 者’亦不需為了增加光源之有效長度而選用長度較長之光源燈 11 1280039 管,而影響了掃描器之外型及整體體積。更重要的,由於反光片 是光源模組上用以反射光源必備的元件,以目前的技術而言,要 在反光片上佈設遮光表面所需要的製造過程相當簡單,成本也相 當便宜,另外,因為反光片可設計為單面貼紙的形式,且為均勻 的長條狀,很容易便可黏貼於光源模組凹槽的表面上,並不需要 多加額外的成本及設備。是以,本案之光源反射結構極具產業之 價值,爰依法提出申請。 本案得由熟知此技術之人士任施匠思而為諸般修飾,然皆不 脫如附申請專利範圍所欲保護者。 【圖式簡單說明】 第一圖:其係為本案之光源反射結構應用於掃描器之實施例示意 _ 〇 第二圖(a)、(b):其係為本案之光源反射結構之反光片之實施例示 意圖。 【主要元件符號說明】 10光源模組 101凹槽 11發光源 12反光片 121遮光表面 12f隹 'The light source of the scanner must have uniformity for the brightness of the scanned document,> If the scanned file is illuminated by the light source of the uniform sentence in order to increase the effective length of the vehicle, _ has a longer length of light The secret tube, and may have to increase the full Wei of the scan 11, and expected the overall volume of the Wei. In order to improve the above-mentioned shortcomings, the development of a light source reflection structure that can provide a uniform source of light is a subject that should be actively studied. SUMMARY OF THE INVENTION The present invention provides a light source reflection structure applied to a scanner, which enables the illuminating party of the illuminating source to be reflected in the manner of feathers, so as to improve the conventional light source tube 1% end. The brightness of the light source is such that the document to be scanned is illuminated by the uneven light source, which affects the image quality formed after scanning. In order to achieve the above purpose, one of the more general implementations of the present invention provides a light source reflection, a mouth structure 'its inclusion and illumination source' is disposed in the groove of the light-receiving group; and the reflection sheet is tilted And having a plurality of shielding surfaces, the ribs blocking the light provided by the partial illumination source, and outputting the reflected light after homogenizing the light. Another broad-side embodiment of the present invention provides a light source reflective structure comprising: a light source source disposed in a recess of the light source module; and a plurality of retroreflective sheetings connected to the hairline and having a plurality of shutters The surface, _ blocking part of the light provided by the illuminating source, 俾 to homogenize the light and output the reflected light. !28〇〇39 According to the concept of the present case, the retroreflective sheeting further comprises a plurality of retroreflective sheetings. According to the concept of the present invention, the retroreflective sheeting is fixed below, opposite or to the side of the illumination source. According to the concept of the present invention, the light-shielding surface is densely distributed on both sides from the position opposite to the opposite ends of the reflector. According to the moxibustion of this room, the shading surface of the soil is striped. According to the concept of the present case, the light-shielding surface is in the form of dots. According to the concept of the present invention, the area of the light-shielding surface of the retroreflective sheeting is gradually reduced toward the two sides at the opposite ends of the reflecting sheet. According to the concept of the present case, glass is provided above the light source. According to the concept of the present case, the light source is a light tube. According to the concept of the present invention, the light source module is a charge-distributing component light source module (CCD MODULE). According to the concept of the present invention, the light source reflective structure is applied to optical electronic products such as a scanner, a fax machine or a photocopier. According to the concept of the present case, the reflective sheet is a reflective sticker. According to the concept of the present case, the light-shielding surface of the retroreflective sheeting is made of printed square gas. — According to the concept of the case, the light-shielding surface of the reflector is painted. According to the concept of the present case, the light-shielding surface of the retroreflective sheet is completed by the gray scale gradient layer 1280039. [Embodiment] The characteristics and advantages of this case are reflected. Some typical implementations will be described in detail in the description of the latter paragraph. It should be understood that the present invention can be variously modified without departing from the scope of the present invention, and the description thereof is used in the nature of the description and is not intended to limit the present invention. In this case, the light source reflection structure is mainly turned over to the sweeping seam, and the ribs are evenly reflected by the reflected light source. The similar principle or the electronic device having the same structure, such as a facsimile machine or a photocopier, can also be applied to the technology of the present invention. Please refer to the first figure, which is a schematic diagram of an embodiment in which the light source reflection structure of the present invention is applied to a scanner. As shown in the first figure, the light source reflection structure of the present invention mainly comprises a light source 11 and a light reflection sheet 12, wherein the light source 12 is disposed in the groove 101 of the light source module 1 , and the light source module 10 is in the scanner. A common charge-coupled component light source module (CCD MODULE) is driven by a driving mechanism, and the light source 11 is usually a light tube to provide a desired light source when the light source module 10 performs scanning. . The reflector 12 is fixed to the illumination source 11 , wherein the reflector 12 can be fixed under the opposite side or the side of the illumination source 11 , which reflects the light generated by the illumination source 11 to the document to be scanned above the glass, and is provided by the glass. The reflected light can be condensed into the lens through the reflective element, and the light is focused on the charge 禺 ' 以 以 以 以 以 以 以 以 以 以 以 以 以 以 以 以 以 以 以 以 以 虎 虎 虎 虎 虎 虎 虎 虎 虎 虎 虎 虎 虎 虎The analog or digital signal, and the number of the reflectors are not specifically limited, and may be disposed on the opposite side or side of the illumination source (not shown) so that light reflected from the glass can pass through the reflective element. More concentrated in the lens. The reflective sheet 12 of the present invention has a plurality of light-shielding surfaces 121 for blocking the light provided by the partial light-emitting source 11, that is, the light-shielding surface 121 on the light-reflecting sheet 12 is used to allow a part of the light source to be shielded by the light-shielding surface 121. If it is absorbed and cannot be reflected, then the non-uniform light source originally caused by the light source at both ends of the lamp of the light source 11 being slightly weaker than the middle can be uniformly reflected by the retroreflective sheet 12. In addition, referring to the first figure, the illumination source u of the light source reflection structure of the present invention is installed in the groove 101 of the light source module 1 in a cross-frame manner, and is spaced apart by a small distance on the surface of the groove 1〇1. The reflective sheet 12 is disposed under the light source u and adhered to the surface of the groove 1G1, and the towel is reflective; the 1212 has a plurality of light-shielding surfaces Ϊ21, which are blocked by the light source u. Light. Please refer to the second figure (a), (b)', which is a schematic diagram of an embodiment of the retroreflective sheeting of the light source reflecting structure of the present invention. As shown in the second "), the masking surface of the retroreflective sheeting may be stripe-like or dot-shaped, and the position of the opposite ends of the reflecting sheet is densely distributed on both sides, so that the light source (four) is brighter. The part of the light source will be blocked by more of the screen surface on the reflector, and the light source on both sides of the light source will be blocked relatively less than the ship. Thus, the β sentence homogenization is reflected by the reflection > The light source is emitted, and when the light source module performs the scanning action, the file to be scanned placed on the glass above the light source module is subjected to the light of the hooking, and the scanned county can be formed under uniform reflected light. 1280039 Image 'When a scanned document can be scanned under evenly reflected light, the quality of the scanned image will of course be much better than the image quality that can be provided by conventional technology. Of course, the shading surface of the reflective sheet provided by the concept of this case The method is not limited to the embodiment shown in the second figures (a) and (b). For example, the light-shielding surface may be designed as a table having various shapes in which the area is gradually reduced to the both sides at the opposite ends of the light-reflecting sheet. 'The shape pattern can be wave or dot except for stripes or dots. The thickness is not limited, as long as the brightness of the light source is gradual, and the middle to the sides are dense. The sparse distribution is also within the technical scope provided by the case. In addition, the proportion of the light-shielding surface on the reflective sheet can be adjusted according to the requirements. According to the brightness of the light source emitted by the light source, the shading surface can be distributed according to _ The uniformity of the light reflected from the face. Usually, the occlusion surface is placed on the surface of the reflector in the form of _ or Wei, but 'if the cost allows, the occlusion surface can also be arranged by the gray gradient. Reflective and strong, so can also achieve the effect of Lang sample. In the above, the light source reflection structure of the present case uses a reflector having a plurality of light-shielding surfaces to block a part of the light provided by the light source, and the gradient layer is From the reflection sheet __ by the distribution of the distribution, so that the source of the original, unevenly distributed light source can be moderately _, and divergent (four) uniform light, so that the text to be scanned placed on the top (10) under the light Enter Le, #射县知知技术Light source of the light source at both ends of the light source is uneven, so that the light source at both ends of the lamp is relatively ineffective, and the image quality of the scanned image is affected by the step-by-step. It is also unnecessary to use a long-length light source lamp 11 1280039 in order to increase the effective length of the light source, which affects the shape and overall volume of the scanner. More importantly, since the reflector is a necessary light source for the light source module In terms of current technology, the manufacturing process required to lay a light-shielding surface on a retroreflective sheeting is relatively simple and relatively inexpensive, and because the retroreflective sheeting can be designed in the form of a single-sided sticker and is a uniform strip. It is easy to adhere to the surface of the groove of the light source module, and does not require additional cost and equipment. Therefore, the light source reflection structure of this case is of great industrial value, and the application is made according to law. The person of this technology is modified as a whole, and is not subject to the protection of the scope of the patent application. [Simple description of the diagram] The first picture: it is the embodiment of the light source reflection structure applied to the scanner in this case _ 〇 second picture (a), (b): it is the reflection sheet of the light source reflection structure of the present case A schematic of an embodiment. [Main component symbol description] 10 light source module 101 groove 11 light source 12 reflector sheet 121 light shielding surface 12

Claims (1)

1280039 十、申請專利範圍·· L 一種光源反射結構,其包含: 《光源’其係設置於一光源模組之-凹槽内;以及 反光片’係與該發光源固定,且具有複數個遮光表面,用 f阻隔部分該發光源所提供之光線,俾以均勻化該光線後輸出反 射光。 2. 如申請專利範圍第1項所述之光源反射結構,其中該反光片更 可包含複數個反光片。 · 3. 如申請專纖㈣丨或2項所述之光源反射結構,其中該反光 片係固定於該發光源之下方、對面或侧面。 4. 如申請專利範圍第i項所述之光源反射結構,其找遮光表面 係以該反光片中間相對兩端的位置向兩側由密而疏分布。 5. 如申請專利義第丨項所述之光源反射結構,其中該遮光表面 係呈條紋狀。 6. 如申請糊瓣丨項所述之賴、反射結構,其巾該遮絲面· 係呈點狀。 7. 如申請專利細第1項所述之光源反繼構,其找反光狀. 該遮絲面之面積係以該反光片中間相對兩端的位置向兩侧逐. 漸變小。 8. 如申請專職圍第丨項所述之光源反射結構,其中該發光源上 方設有一玻璃。 131280039 X. Patent Application Range·· L A light source reflection structure, comprising: “light source” is disposed in a groove of a light source module; and the light reflection sheet is fixed to the light source and has a plurality of light shielding The surface is used to block a portion of the light provided by the illumination source to homogenize the light and output the reflected light. 2. The light source reflective structure of claim 1, wherein the retroreflective sheeting further comprises a plurality of retroreflective sheetings. · 3. For the light source reflection structure described in the special fiber (4) or 2, wherein the reflector is fixed below, opposite or side of the illumination source. 4. The light source reflecting structure according to claim i, wherein the light-shielding surface is densely distributed with respect to both sides of the opposite ends of the reflecting sheet. 5. The light source reflective structure of claim 2, wherein the light-shielding surface is stripe-shaped. 6. If the application is applied to the smear and reflection structure described in the article, the masking surface of the towel is in the form of dots. 7. For the light source anti-synthesis described in the patent application item 1, the reflective surface is found. The area of the shielding surface is gradually reduced to the two sides by the position of the opposite ends of the reflective sheet. 8. The light source reflecting structure according to the above application, wherein a light source is provided above the light source. 13
TW93126812A 2004-09-03 2004-09-03 Light reflecting structure TWI280039B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8158995B2 (en) 2005-09-29 2012-04-17 Osram Opto Semiconductors Gmbh Optoelectronic semiconductor chip

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8158995B2 (en) 2005-09-29 2012-04-17 Osram Opto Semiconductors Gmbh Optoelectronic semiconductor chip

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