TWI320850B - Inspecting system for color filters - Google Patents

Inspecting system for color filters Download PDF

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Publication number
TWI320850B
TWI320850B TW95117939A TW95117939A TWI320850B TW I320850 B TWI320850 B TW I320850B TW 95117939 A TW95117939 A TW 95117939A TW 95117939 A TW95117939 A TW 95117939A TW I320850 B TWI320850 B TW I320850B
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Taiwan
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color filter
detection system
light
light source
laser
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TW95117939A
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Chinese (zh)
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TW200743795A (en
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Ren-Sue Wong
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Icf Technology Ltd
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• 九、發明說明: 【發明所屬之技術領域】 本發明涉及一種彩色濾光片之檢測系統。 【先前技術】 由於液晶顯不器(Liquid Crystal Display,LCD)為非主 動發光之元件,必須透過内部之背光源提供光源,搭配驅 動1C與液晶控制形成黑、白兩色之灰階顯示,再透過彩色 濾光>} (Color Filter, CF)之紅(R)、綠(G)、藍(B)三種顏色層 i提供色相,形成彩色顯示晝面,因此彩色濾光片為液晶顯 示器彩色化之關鍵零組件。 傳統製造彩色濾光片之方法包括染料法、顏料分散法 及電著法等。最近,新興之喷墨法由於製程簡單及成本低 之優勢而被用於彩色濾光片製程中。 I程中’半成品或成品彩色遽光片必須經過檢測工序 以保證産品無缺陷。傳統之檢測方法為人工檢測,即檢測 鲁人員用肉眼檢視彩色遽光片。惟,由於各檢測人員之視覺 器官與認知能力之差異會導致檢測結果存在差異。 【發明内容】 有鑒於此,有必要提供一種方便及準確地檢測彩色滤 光片缺陷之檢測系統。 一種彩色濾光片之檢測系統,包括:一基台,一白光 光源’ 一影像傳感器,一圖像處理及顯示裝置,一雷射二 極體,至少一分光器,一光電二極體,一第一訊號處理及 顯示裝置。該基台承載該彩色濾光片。該白光光源照明彩 6 色濾光片之一第一面。該影像傳感器從彩色濾光片之一第 二面拍攝該彩色濾光片,彩色濾光片之第一面與第二面相 對設置。該圖像處理及顯示裝置與影像傳感器相連。該雷 射二極體發射一雷射光。該至少一分光器設置於雷射光之 光路上,將雷射光傳送至該彩色濾光片。該光電二極體接 收穿過分光器之雷射光並産生一基於該雷射光之電訊號。 該第一訊號處理及顯示裝置與光電二極體相連,該第一訊 號處理及顯示裝置顯示該電訊號之資訊。 .一種彩色遽光片之檢測系統,包括:一基台,一白光 光源,一影像傳感器,一第一分光器,一光譜分析器。該 基台承載該彩色濾光片。該白光光源照明該彩色濾光片之 一第一面。該影像傳感器從該彩色濾光片之一第二面拍攝 該彩色濾光片’該彩色濾光片之第一面與第二面相對設 置’該影像傳感器與一圖像處理及顯示裝置相連。該第一 分光器設置於白光光源發出之光之光路上,反射白光光源 鲁發出之光。該光譜分析器接收被第一分光器反射之白光光 源發出之光。 相較於先前技術’所述之彩色濾光片之檢測系統,可方便 及準確地對半成品彩色濾光片或成品彩色濾光片進行檢測。 【實施方式】 下面將結合附圖對本發明實施例作進一步之詳細說 明。 請參閱圖1,本發明第一實施例提供之一種彩色濾光片 之檢測系統100。該檢測系統包括一基台10,一影像感測 7IX. Description of the Invention: [Technical Field of the Invention] The present invention relates to a detection system for a color filter. [Prior Art] Since the liquid crystal display (LCD) is a component that is not actively emitting light, it is necessary to provide a light source through an internal backlight, and to drive the 1C and the liquid crystal control to form a gray scale display of black and white colors, and then The color layer is provided by the color layer of red (R), green (G), and blue (B) by color filter >} (Color Filter, CF) to form a color display surface, so the color filter is a liquid crystal display color. Key components of the process. Conventional methods for producing color filters include dye methods, pigment dispersion methods, and electrophoresis methods. Recently, the emerging ink jet method has been used in color filter processes due to its simple process and low cost. In the middle of the process, the semi-finished or finished color calender must undergo a testing process to ensure that the product is free of defects. The traditional detection method is manual detection, that is, the detection of the human color to view the color light film. However, differences in visual organ and cognitive ability of each tester may result in differences in test results. SUMMARY OF THE INVENTION In view of the above, it is necessary to provide a detection system that facilitates and accurately detects defects in color filters. A color filter detection system includes: a base station, a white light source' an image sensor, an image processing and display device, a laser diode, at least one beam splitter, a photodiode, and a The first signal processing and display device. The base station carries the color filter. The white light source illuminates the first side of one of the color 6 color filters. The image sensor captures the color filter from a second side of the color filter, and the first side of the color filter is disposed opposite to the second side. The image processing and display device is coupled to the image sensor. The laser diode emits a laser beam. The at least one beam splitter is disposed on the optical path of the laser light to transmit the laser light to the color filter. The photodiode receives the laser light passing through the beam splitter and produces an electrical signal based on the laser light. The first signal processing and display device is coupled to the photodiode, and the first signal processing and display device displays the information of the electrical signal. A color light film detecting system comprising: a base, a white light source, an image sensor, a first beam splitter, and a spectrum analyzer. The base station carries the color filter. The white light source illuminates a first side of the color filter. The image sensor captures the color filter from a second side of the color filter. The first surface of the color filter is disposed opposite the second surface. The image sensor is coupled to an image processing and display device. The first beam splitter is disposed on the light path of the light emitted by the white light source, and reflects the light emitted by the white light source. The spectral analyzer receives light from a white light source that is reflected by the first beam splitter. The semi-finished color filter or the finished color filter can be easily and accurately detected compared to the detection system of the color filter described in the prior art. [Embodiment] Hereinafter, embodiments of the present invention will be further described in detail with reference to the accompanying drawings. Referring to FIG. 1, a color filter detecting system 100 according to a first embodiment of the present invention is provided. The detection system includes a base 10, an image sensing 7

Claims (1)

^20850 顧頁 十、申請專利範圍: 〜--J L 一種彩色濾光片之檢測系統,其改進在於包括: 一基台,用於承載該彩色濾光片; 一白光光源,用於照明彩色濾光片之一第一面; —位於白光光源與彩色濾光片之間之第一透鏡,該第一透鏡 將白光光源發出之光聚焦於彩色濾光片上之一點; 一影像傳感器,用於從彩色濾光片之一第二面拍攝該彩色滅 鲁 光片,彩色遽光片之第二面與第一面相對設置; 一與影像傳感器相連之圖像處理及顯示裴置; —雷射二極體,用於發射一雷射光; 至少一分光器’設置於雷射光之光路上,用於將雷射光傳送 至該彩色濾光片; 一光電二極體,用於接收穿過分光器之雷射光並産生一基於 該雷射光之電訊號;及 一與光電二極體相連之第一訊號處理及顯示裝置,該第一訊 •號處理及顯示裝置顯示該電訊號之資訊。 2·如申請專利範圍第1項所述之檢啦統,其巾,所述之白光光源 進步包括一光纖’該光纖導引白光光源發出之光至第一透鏡。 •如申請專利範圍第1項所述之檢測系統,其中,所述之檢測系統 進步包括一發光二極體及一分光器,該發光二極體發出之照 明光經該分光器反射後,從彩色濾光片之第二面照明該彩色濾 光片。 4.如申請專利範圍第3項所述之檢測系统,其中,戶斤述之檢測系統 進—步包括〜第二透鏡,該第二透鏡將該照明光會聚於彩色濾 16 1320850 、 ρ- —— j月K)E|修正替换頁 光片上之一點。 5. 如申請專利範圍第1項所述之檢測系統,其中,所述之雷射二極 體進一步包括一第三透鏡’該第三透鏡會聚雷射光。 6. 如申請專利範圍第1項所述之檢測系統,其中,所述之第一訊號 處理及顯示裝置係一示波器。 7. 如申請專利範圍第1項所述之檢測系統,其中,所述之檢測系統 進一步包括一第二訊號處理及顯示裝置’該第二訊號處理及顯 φ 示裝置接收穿透彩色濾光片之白光。 8. 如申請專利範圍第7項所述之檢測系統,其中,所述之第二訊號 處理及顯示裝置係一光譜分析器。 9. 如申請專利範圍第8項所述之檢測系統’其中,所述之檢測系統 進一步包括一光開關及一光纖,該光開關可移動至一位置以反 射穿過彩色濾光片之白光至該光纖,該光纖接收白光並將其導 引至光譜分析器。 10·—種彩色濾光片之檢測系統,其改進在於包括: • 一基台,用於承載該彩色濾光片; 一白光光源,用於照明該彩色濾光片之一第一面; 一位於白光光源與彩色濾光片之間之第一透鏡,該第—透鏡 將白光光源發出之光聚焦於彩色慮光片上之一點; 一影像傳感器’用於從該彩色據光片之一第二面拍攝該彩色 濾光片’該彩色遽光片之第二面與第一面相對設置,該影 像傳感器與一圖像處理及顯示裝置相連; 一第一分光器’設置於白光光源發出之光之光路上,用於反 射白光光源發出之光; 17 1320850 对^丨月从曰修正替换頁 一光譜分析器,用於接收被第一分光器反射之白光光源發出 之光。 11. 如申請專利範圍第10項所述之檢測系統,其中,所述之檢測系 統進一步包括: 一雷射二極體,用於發射一雷射光; 一第二分光器,設置於該雷射光之光路上,用於傳送該雷射 光穿過第一分光器並到達該彩色濾光片; 一光電二極體,用於接收被該彩色濾光片反射之雷射光並産 生一基於該雷射光之電訊號; 一與光電二極體相連之示波器,用於顯示來自光電二 極體之電訊號。 12. 如申請專利範圍第11項所述之檢測系統,其中,所述之檢測系 統進一步包括一光開關,該光開關接收被彩色濾光片反射之雷 射光並反射該雷射光至該光電二極體。 13. 如申請專利範圍第1〇項所述之檢測系統,其中,所述之光譜分 析器與一光纖相連,該光纖接收該白光光源發出之光並將其導 引至該光譜分析器。 14. 如申請專利範圍第1〇項所述之檢測系統,其中,所述之白光光 源進一步包括一光纖,該光纖導引白光光源發出之光至該第一 透鏡。 15. 如申請專利範圍第10項所述之檢測系統,其中,所述之檢測系 統進一步包括一發光二極體及一分光器,該發光二極體發出一 照明光’該分光器反射該照明光至彩色濾光片之第二面並照明 該第二面。 18 1320850 ____ • · 月沁日修正替换頁 16. 如申請專利範圍第10項所述之檢測系統,其中,所述之檢測系 / 統進一步包括一第二透鏡,該第二透鏡將該照明光會聚於彩色 m 濾光片上之一點。 17. 如申請專利範圍第10項所述之檢測系統’其中’所述之雷射二 極體進一步包括一第三透鏡,該第三透鏡會聚該雷射二極體發 出之雷射光。^20850 顾页10, the scope of application for patents: ~--JL A color filter detection system, the improvement includes: a base for carrying the color filter; a white light source for illuminating the color filter a first surface of the light sheet; a first lens between the white light source and the color filter, the first lens focusing the light emitted by the white light source on a point on the color filter; an image sensor for The color extruding film is photographed from the second side of one of the color filters, and the second side of the color dimming film is disposed opposite to the first surface; an image processing and display device connected to the image sensor; a diode for emitting a laser beam; at least one beam splitter disposed on the optical path of the laser beam for transmitting the laser light to the color filter; and a photodiode for receiving the beam splitter The laser light generates a signal based on the laser light; and a first signal processing and display device connected to the photodiode, the first signal processing and display device displays the information of the electrical signal. 2. The inspection system of claim 1, wherein the white light source improvement comprises an optical fiber that directs light from the white light source to the first lens. The detection system of claim 1, wherein the detection system improvement comprises a light emitting diode and a beam splitter, and the illumination light emitted by the light emitting diode is reflected by the beam splitter The second side of the color filter illuminates the color filter. 4. The detection system of claim 3, wherein the detection system further includes a second lens that converges the illumination light on the color filter 16 1320850, ρ- — j month K) E|Correct one point on the replacement page light. 5. The detection system of claim 1, wherein the laser diode further comprises a third lens. The third lens converges the laser light. 6. The detection system of claim 1, wherein the first signal processing and display device is an oscilloscope. 7. The detection system of claim 1, wherein the detection system further comprises a second signal processing and display device, the second signal processing and the display device receiving the penetrating color filter. White light. 8. The detection system of claim 7, wherein the second signal processing and display device is a spectrum analyzer. 9. The detection system of claim 8, wherein the detection system further comprises an optical switch and an optical fiber, the optical switch being movable to a position to reflect white light passing through the color filter to The fiber receives white light and directs it to a spectrum analyzer. 10 - a color filter detection system, the improvement comprising: • a base for carrying the color filter; a white light source for illuminating the first side of the color filter; a first lens between the white light source and the color filter, the first lens focuses the light emitted by the white light source on a point on the color filter; an image sensor 'for the second from the color light film The color filter is photographed on the second side of the color filter sheet opposite to the first surface, and the image sensor is connected to an image processing and display device; a first beam splitter is disposed on the light emitted by the white light source On the light path, it is used to reflect the light emitted by the white light source; 17 1320850 The correction is replaced by a spectrum analyzer for receiving the light emitted by the white light source reflected by the first beam splitter. 11. The detection system of claim 10, wherein the detection system further comprises: a laser diode for emitting a laser beam; and a second beam splitter disposed on the laser beam a light path for transmitting the laser light through the first beam splitter and reaching the color filter; a photodiode for receiving the laser light reflected by the color filter and generating a laser light based thereon The electrical signal; an oscilloscope connected to the photodiode for displaying the electrical signal from the photodiode. 12. The detection system of claim 11, wherein the detection system further comprises an optical switch that receives the laser light reflected by the color filter and reflects the laser light to the photodiode Polar body. 13. The detection system of claim 1, wherein the spectral analyzer is coupled to an optical fiber that receives light from the white light source and directs it to the optical spectrum analyzer. 14. The detection system of claim 1, wherein the white light source further comprises an optical fiber that directs light from the white light source to the first lens. 15. The detection system of claim 10, wherein the detection system further comprises a light emitting diode and a beam splitter, the light emitting diode emitting an illumination light. The light splitter reflects the illumination Light to the second side of the color filter and illuminate the second side. The detection system of claim 10, wherein the detection system further includes a second lens that illuminates the illumination light. Converging on one point on the color m filter. 17. The laser diode according to claim 10, wherein the laser diode further comprises a third lens that converges the laser light emitted by the laser diode. 19 1320850 ' · , 一 —·*· I III —I f * 戏年月y日修正聲换頁19 1320850 ' · , one —·*· I III —I f * Correction page change 3B3B 1 4A 1320850 聊日修正替换頁 七、指定代表圖: --- (一) 本案指定代表圖為:圖1。 (二) 本代表圖之元件符號簡單說明: 檢測系統 100 基台 10 光源 20 , 30 , 60 光線 22 , 32 , 62 光纖 28 透鏡 24 , 26 , 64 分光器 34 , 36 , 38 影像傳感器 40 圖像處理及顯示裝置 42 光電二極體 50 訊號處理及顯示裝置 52 彩色濾光片 200 八、本案若有化學式時,請揭示最能顯示發明特徵的化學 式: 無 51 4A 1320850 Talk Day Correction Replacement Page VII. Designated Representative Map: --- (I) The representative representative picture of this case is: Figure 1. (b) The symbol of the representative figure is briefly described: detection system 100 base 10 light source 20, 30, 60 light 22, 32, 62 fiber 28 lens 24, 26, 64 splitter 34, 36, 38 image sensor 40 image Processing and Display Device 42 Photodiode 50 Signal Processing and Display Device 52 Color Filter 200 8. If there is a chemical formula in this case, please disclose the chemical formula that best shows the characteristics of the invention: None 5
TW95117939A 2006-05-19 2006-05-19 Inspecting system for color filters TWI320850B (en)

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