1345101 _____ 100年04月22日修正替換頁 六、發明說明： 【發明所屬之技術領域】 [0001] 本發明涉及一種光源模擬裝置，尤其涉及一種用於液晶 顯示器（Liquid Crystal Display, LCD)背光模組 之光源模擬裝置。 【先前技術】 [0002] LCD面板係以放電燈（Discharge LamP)，特別係冷陰 極螢光燈（Cold Cathode Fluorescent Lamp，CCFL )作為背光（Backlight)系統之光源。通常’換流器 (Inverter)可供應交流讯说至放電燈’用於驅動其點 亮。因此，換流器生產廠商通常將放電燈裝配於其中， 透過量測放電燈的電壓與電流的狀況，進而判定換流器 之性能。然，在測試流程中，由於放電燈價格比較昂貴 ，利用放電燈與換流器的裝配進行測試，不僅增加成本 ，且，由於流經放電燈的電流容易隨溫度的變化而變化 ，進而降低測試的可靠性。此外’當換流器與大尺寸的 放電燈裝配於一起進行測試時’由於放電燈尺寸的增加 ，進而增大測試空間。 【發明内容】 [0003] 有鑑於此，需提供一種光源模擬裝置，透過複數電阻模 擬光源，代替實際的放電燈，降低成本，縮小空間，增 加換流器測試的可靠性。 [0004] —種光源模擬裝置，包括一電路板、至少一第一導電體 、至少一電阻及至少一第二導電體。其中，該電路板具 有一第一表面。該等第一導電體設置於該電路板之第一 095149093 表單編號 A0101 第 4 頁/共 17 頁 1003142797-0 1345101 100年04月22日修正巷換頁 表面。該等電阻亦設置於該電路板之第一表面，且透過 該等第一導電體争行連接於該光源模擬裝置之一高壓端 與一低壓端之間，用於模擬一光源。 [0005] 又，該電路板具有一第二表面，其上設置有至少一第二 導電體，其中，該第二表面之第二導電體與該第一表面 之導電體及電阻形成複數電容，用於模擬該光源之雜散 電容》 [0006] 本發明之光源模擬裝置，透過複數電阻模擬光源，及電 路板之第一表面與第二表面之間形成的複數電容模擬光 源之雜散電容，降低成本，縮小空間，增加換流器測試 的可靠性。 【實施方式】 [0007] 圖1所示係本發明光源模擬裝置100—實施方式之立體圖 ，且同時參閱圖2至圖4。其中，圖2係本發明圖1之其中 一組模擬光源110之平面示意圖，圖3係本發明圖2從A方 向看之侧視圖*圖4係本發明圖2之平面後視圖。本實施 方式中，光源模擬裝置100包括一電路板10、至少一電阻 R、至少一第一導電體、至少一第二導電體。本實施方式 中，該等第一導電體為第一銅箔11，該等第二導電體為 第二銅箔14 (參閱圖4)。其中，該電路板10具有複數連 接器13、一第一表面18及一第二表面19(參閱圖4)。該 等電阻R與該等第一銅箔11均設置於電路板10之第一表面 18。該等第二銅箔14設置於電路板10之第二表面19。 本實施方式中，該光源模擬裝置100模擬6組模擬光源110 095149093 ，即12支放電燈。其中，每一組模擬光源110包括2個模 表單編號A0101 第5頁/共17頁 1003142797-0 [0008] 1345101 ___ 100年04月22日核正替换頁 擬光源120及一連接器13。每一模擬光源120由部分該等 電阻R與該等第一銅箔11組成，且組成模擬光源].20之電 阻R透過該等部分第一銅箔11串行連接於光源模擬裝置 100之一高壓端與一低壓端12之間。本實施方式中，光源 模擬裝置100之高壓端亦與連接器13相連。即，連接器13 一端連接兩個模擬光源120，另一端與一換流器（省略繪 出）相連。 [0009] 於同一模擬光源120，電路板10的第一表面18之第一銅箔 11及電阻R可視為一導體，其第二表面19之第二銅箔14亦 可視為一導體。本實施方式中，每一模擬光源120對應之 第二銅箔14個數為5條（參閱圖4)。又，兩導體緊靠， 中間用一絕緣材料隔開可組成電容。故，電路板10的第 二表面19之第二銅箔14與第一表面18之第一銅箔11及電 阻R形成複數電容，用於模擬光源120之雜散電容，增強 換流器測試的可靠性。 [0010] 本實施方式中，該等第一銅箔11的寬度均相同，且第一 銅箔11的寬度均大於第二銅箔14的寬度。又，該光源模 擬裝置100之低壓端12為接地端。該等電阻R為貼片電阻1345101 _____ Correction and replacement page of April 22, 2005. Description of the invention: [Technical field] [0001] The present invention relates to a light source simulation device, and more particularly to a liquid crystal display (LCD) backlight module Group of light source simulation devices. [Prior Art] [0002] The LCD panel is a discharge lamp (Discharge LamP), in particular, a Cold Cathode Fluorescent Lamp (CCFL) as a light source of a backlight system. Usually the 'Inverter' can supply an AC message to the discharge lamp' to drive it on. Therefore, inverter manufacturers usually assemble a discharge lamp and measure the voltage and current of the discharge lamp to determine the performance of the inverter. However, in the test process, since the discharge lamp is relatively expensive, testing with the assembly of the discharge lamp and the inverter not only increases the cost, but also because the current flowing through the discharge lamp easily changes with the temperature, thereby reducing the test. Reliability. In addition, when the inverter is assembled with a large-sized discharge lamp for testing, the test space is increased due to the increase in the size of the discharge lamp. SUMMARY OF THE INVENTION [0003] In view of the above, it is desirable to provide a light source simulation device that reduces the cost, reduces the space, and increases the reliability of the converter test by replacing the actual discharge lamp with a complex resistance analog light source. [0004] A light source simulation device includes a circuit board, at least one first electrical conductor, at least one resistor, and at least one second electrical conductor. Wherein the circuit board has a first surface. The first electrical conductors are disposed on the first board of the circuit board. 095149093 Form No. A0101 Page 4 of 17 1003142797-0 1345101 On April 22, 100, the lane change surface is corrected. The resistors are also disposed on the first surface of the circuit board and are connected between the high voltage end and the low voltage end of the light source analog device through the first conductive bodies for simulating a light source. [0005] The circuit board has a second surface on which at least one second electrical conductor is disposed, wherein the second electrical conductor of the second surface forms a plurality of capacitors with the electrical conductor and the resistor of the first surface. A stray capacitance for simulating the light source. [0006] The light source simulation device of the present invention, through a complex resistance analog light source, and a stray capacitance of a complex capacitance analog light source formed between a first surface and a second surface of the circuit board, Reduce costs, reduce space, and increase the reliability of inverter testing. [Embodiment] FIG. 1 is a perspective view of an embodiment of a light source simulation device 100 of the present invention, and is also referred to FIG. 2 to FIG. 2 is a plan view of a set of analog light sources 110 of FIG. 1 of the present invention, FIG. 3 is a side view of FIG. 2 of the present invention as seen from the direction of A; FIG. 4 is a plan rear view of FIG. 2 of the present invention. In this embodiment, the light source simulation device 100 includes a circuit board 10, at least one resistor R, at least one first electrical conductor, and at least one second electrical conductor. In the present embodiment, the first conductors are the first copper foils 11, and the second conductors are the second copper foils 14 (see Fig. 4). The circuit board 10 has a plurality of connectors 13, a first surface 18 and a second surface 19 (see Fig. 4). The resistors R and the first copper foils 11 are disposed on the first surface 18 of the circuit board 10. The second copper foils 14 are disposed on the second surface 19 of the circuit board 10. In this embodiment, the light source simulation device 100 simulates six sets of analog light sources 110 095149093, that is, 12 discharge lamps. Each of the analog light sources 110 includes two modules. Form number A0101 Page 5 of 17 1003142797-0 [0008] 1345101 ___ April 22, 2005 Nuclear replacement page The light source 120 and a connector 13. Each of the analog light sources 120 is composed of a portion of the resistors R and the first copper foils 11 , and the resistors R constituting the analog light source 2020 are serially connected to the light source simulation device 100 through the portions of the first copper foil 11 . Between the high pressure end and a low pressure end 12. In the present embodiment, the high voltage end of the light source simulating device 100 is also connected to the connector 13. That is, the connector 13 is connected to two analog light sources 120 at one end and to an inverter (not shown) at the other end. [0009] In the same analog light source 120, the first copper foil 11 and the resistor R of the first surface 18 of the circuit board 10 can be regarded as a conductor, and the second copper foil 14 of the second surface 19 can also be regarded as a conductor. In the present embodiment, the number of the second copper foils 14 corresponding to each of the analog light sources 120 is five (see FIG. 4). Moreover, the two conductors abut and are separated by an insulating material to form a capacitor. Therefore, the second copper foil 14 of the second surface 19 of the circuit board 10 forms a plurality of capacitors with the first copper foil 11 and the resistor R of the first surface 18 for simulating the stray capacitance of the light source 120, and enhancing the converter test. reliability. In the present embodiment, the widths of the first copper foils 11 are all the same, and the width of the first copper foil 11 is larger than the width of the second copper foil 14. Further, the low voltage terminal 12 of the light source analog device 100 is a ground terminal. These resistors R are chip resistors
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[0011] 在本發明其它實施方式中，該等第二銅箔14的個數亦可 以增加或減少。且，在第一銅箔11寬度固定時，該等第 二銅箔14的個數越多，第一表面18的導體與第二表面19 的導體間相對面積越大，其形成的電容容抗越大。換言 之，第二銅箔14的個數與寬度直接影響雜散電容之容抗 大小。又，該等電阻R亦可為插件電阻、以印刷方式所製 095149093 表單編號A0101 第6頁/共17頁 1003142797-0 1345101 100年04月22日修正替换百 成之印刷電阻或貼片電阻與插件電阻的組合。該等第一 導電體亦可為印刷電阻，且其電阻值小於該等電阻之電 阻值。 [0012] 本實施方式中，相鄰模擬光源120接收的高壓端訊號的相 位可以相同，亦可以相反。該光源模擬裝置100之低壓端 12與一迴授電路（省略繪出）相連，用於迴授流經該等 光源之電流。 [0013] 又，模擬光源120的電壓隨著該等電阻R的阻值增大而增 大，故，本發明中光源模擬裝置100可透過增加該等電阻 R的阻值，模擬大尺寸的放電燈，減小測試空間。且，模 擬光源120受溫度變化影響較小，故可增強換流器測試可 靠性。 [0014] 參閱圖5，係本發明圖4中V部之局部放大圖。該等第二銅 箔14均與低壓端12之間形成一間隙15。當銲錫填充該間 隙15，使得第二銅箔14與低壓端12短路，複數電容並行 連接，進而增大了模擬光源120的電容容抗。本實施方式 中，越多的間隙15被填充，模擬光源120的電容容抗越大 。又，隨著電容容抗的增加，模擬光源120的電壓與電流 的相位差亦隨之增大。故，透過控制第二銅箔14與低壓 端12之間的間隙是否被填充，可調整輸出的電壓與電流 的相位。 [0015] 圖6係本發明光源模擬裝置200另一實施方式之立體圖。 該光源模擬裝置200與本發明圖1所示之光源模擬裝置100 基本相同，區別在於：於該光源模擬裝置200中，接收正 095149093 表單編號A0101 第7頁/共17頁 1003142797-0 1345101 100年04月22日修正替換頁 向高壓訊號之低壓端均透過一第一導線26相連，接收負 向高壓訊號之低壓端均透過一第二導線27相連。又，根 據測試的需要，第一導線26與第二導線27分別與一迴授 電路（省略繪出）的不同端口相連，用於迴授流經該等 光源之電流。本實施方式中，該光源模擬裝置200模擬16 支放電燈。 [0016] 本發明之光源模擬裝置，透過複數電阻模擬光源，及電 路板之第一表面與第二表面之間形成的複數電容模擬光 源之雜散電容，降低成本，縮小空間，增加換流器測試 的可靠性。 [0017] 本發明雖以較佳實施例揭露如上，然其並非用以限定本 發明。惟，任何熟悉此項技藝者，在不脫離本發明之精 神和範圍内，當可做更動與潤飾，因此本發明之保護範 圍當視後附之申請專利範圍所界定者為準。 【圖式簡單說明】 [0018] 圖1係本發明光源模擬裝置一實施方式之立體圖。 [0019] 圖2係本發明圖1之其中一組模擬光源之平面示意圖。 [0020] 圖3係本發明圖2從A方向看之側視圖。 [0021] 圖4係本發明圖2之平面後視圖。 [0022] 圖5係本發明圖4中V部之局部放大圖。 [0023] 圖6係本發明光源模擬裝置另一實施方式之立體圖。 【主要元件符號說明】 [0024] 光源模擬裝置：100、200 095149093 表單編號A0101 第8頁/共17頁 1003142797-0 1345101 100年.04月22日梭正替换頁 [0025] 電路板：10、20[0011] In other embodiments of the invention, the number of the second copper foils 14 may also be increased or decreased. Moreover, when the width of the first copper foil 11 is fixed, the greater the number of the second copper foils 14, the larger the relative area between the conductors of the first surface 18 and the conductors of the second surface 19, and the capacitive capacitance formed by the capacitors The bigger. In other words, the number and width of the second copper foil 14 directly affect the capacitive reactance of the stray capacitance. Moreover, the resistors R can also be plug-in resistors, made by printing 095149093 Form No. A0101 Page 6 / Total 17 pages 1003142797-0 1345101 Correction of replacement of 100% of printed resistors or chip resistors A combination of plug-in resistors. The first electrical conductors may also be printed resistors having a resistance value less than the resistance of the resistors. [0012] In this embodiment, the phases of the high-voltage signals received by the adjacent analog light sources 120 may be the same or opposite. The low voltage terminal 12 of the light source simulation device 100 is coupled to a feedback circuit (not shown) for relaying current through the light sources. [0013] Moreover, the voltage of the analog light source 120 increases as the resistance of the resistors R increases. Therefore, the light source simulation device 100 of the present invention can simulate a large-sized discharge by increasing the resistance of the resistors R. Lights reduce test space. Moreover, the analog light source 120 is less affected by temperature changes, thereby enhancing the reliability of the converter test. [0014] Referring to FIG. 5, it is a partial enlarged view of a portion V of FIG. 4 of the present invention. The second copper foil 14 forms a gap 15 with the low pressure end 12. When the solder fills the gap 15, the second copper foil 14 is short-circuited with the low voltage terminal 12, and the plurality of capacitors are connected in parallel, thereby increasing the capacitive reactance of the analog light source 120. In the present embodiment, the more the gaps 15 are filled, the larger the capacitive reactance of the analog light source 120 is. Moreover, as the capacitive reactance increases, the phase difference between the voltage and current of the analog light source 120 also increases. Therefore, by controlling whether or not the gap between the second copper foil 14 and the low voltage terminal 12 is filled, the phase of the output voltage and current can be adjusted. 6 is a perspective view of another embodiment of a light source simulation device 200 of the present invention. The light source simulating device 200 is basically the same as the light source simulating device 100 shown in FIG. 1 of the present invention, except that in the light source simulating device 200, the receiving form is 095149093, form number A0101, page 7 / page 17 1003142797-0 1345101 100 years On April 22, the modified replacement page is connected to the low voltage end of the high voltage signal through a first wire 26, and the low voltage end receiving the negative high voltage signal is connected through a second wire 27. Further, according to the needs of the test, the first wire 26 and the second wire 27 are respectively connected to different ports of a feedback circuit (not shown) for feeding back the current flowing through the light sources. In the present embodiment, the light source simulation device 200 simulates 16 discharge lamps. [0016] The light source simulation device of the present invention transmits a complex capacitance analog light source and a stray capacitance of a complex capacitance analog light source formed between a first surface and a second surface of the circuit board to reduce cost, reduce space, and increase an inverter. The reliability of the test. The present invention has been described above by way of a preferred embodiment, and is not intended to limit the invention. However, any person skilled in the art will be able to make changes and refinements without departing from the spirit and scope of the invention, and the scope of the invention is defined by the scope of the appended claims. BRIEF DESCRIPTION OF THE DRAWINGS [0018] FIG. 1 is a perspective view of an embodiment of a light source simulation device of the present invention. 2 is a schematic plan view of one of the simulated light sources of FIG. 1 of the present invention. 3 is a side view of FIG. 2 of the present invention as seen from the direction A. [0020] FIG. 4 is a plan rear view of FIG. 2 of the present invention. 5 is a partial enlarged view of a portion V of FIG. 4 of the present invention. 6 is a perspective view of another embodiment of a light source simulation device of the present invention. [Main component symbol description] [0024] Light source simulation device: 100, 200 095149093 Form number A0101 Page 8 / Total 17 pages 1003142797-0 1345101 100 years. April 22 shuttle replacement page [0025] Circuit board: 10. 20
[0026] 電阻：R[0026] Resistance: R
[0027] 第一銅箔：11、2 1 [0028] 第二銅箔·· 14 [0029] 低壓端：12、22 [0030] 連接器：13、23 [0031] 間隙：1 5 [0032] 第一導線：26 [0033] 第二導線：27 [0034] 第一表面：18 [0035] 第二表面：19 [0036] 模擬光源：110、120 095149093 表單編號A0101 第9頁/共17頁 1003142797-0[0027] First copper foil: 11, 2 1 [0028] Second copper foil · 14 [0029] Low voltage end: 12, 22 [0030] Connector: 13, 23 [0031] Clearance: 1 5 [0032] First wire: 26 [0033] Second wire: 27 [0034] First surface: 18 [0035] Second surface: 19 [0036] Analog light source: 110, 120 095149093 Form number A0101 Page 9 of 17 1003142797 -0