TWM328015U - Apparatus of backlight module - Google Patents

Description

M328015 Eight, new description:

[New technical field] This creation side is a kind of device, especially a backlight module device for viewing a liquid crystal display. [Prior Art] Due to its advantages of lightness, thinness, and low power consumption, liquid crystal display devices are widely used in modern information equipment such as televisions, pens, electric phones, mobile phones, and personal digital assistants. Since the liquid crystal itself does not have a light-emitting property, a backlight module is required to realize the display function. 1 is a front view of a conventional backlight module device; FIG. 2 is a bottom view of a conventional backlight module device including: a plurality of lamps 1 〇 1, a plurality of wires 102, and a plurality of electrical connectors i 〇 3 (Connector). Due to the large amount of electrical connectors 1〇3 and wires 1〇2 between the high voltage side of the lamp and the circuit board 104 (PCB), the cost is south, the number of components used is large, the module assembly is complicated, and the workmanship is increased. Time. 3 is a conventional backlight module device using a side frame 1 〇 7 (sideftame) to fix the bottom view of the lamp, the electrical connection ϋ 103 and the wire 102 are recorded, and the cost is high; the number of components used is good, The module assembly is complicated and the working hours are increased. [New content] In view of the above, in order to provide a backlight module device using fewer components, the purpose of this creation is as follows: 5 M328015 The first purpose of this creation is to balance the circuit board with high voltage.

The in mjK&W scale circuit board 114 directly solders the lamp tube 1〇1, which can save the amount of the electrical connector 1〇3 and the wire 102, and reduce the material cost. The second purpose of the present invention is to directly solder the lamp tube 101 to the high voltage balance circuit board 111 or/and the low voltage balance circuit board 114 to form a module form, and fix the lamp tube group with a lamp holder 108 (Lamps H〇lder) to make the glue. The lamp 11 is fixed, and the positioning rib m and the reinforcing rib m are added to the lamp holder 1〇8 for fixing the high voltage balance circuit board 111 or the balance balance circuit board 114 to avoid the balance circuit board 111 or low voltage balance. The circuit board 114 has warpage deformation due to high temperature, which saves assembly man-hours. The third purpose of the present invention is to directly insert the high voltage balance circuit board 111 or the low voltage balance circuit board 114 t board into the lamp holder 1〇8 without occupying additional module space. ★ The fourth purpose of this creation is to “enable the high-frequency high-voltage or double-ended high-frequency high-voltage method to drive the lamp. Therefore, how to solve the shortcomings of the above-mentioned prior art, propose a novel solution '2 to calculate the backlight module device with less miscellaneous parts and thinner, to break through the shortcomings of the conventional backlight module assembly, the creator of the case Based on the expertise technology, and thinking about the lack of the backlight module, and design, to discuss the simplification of the operation, the production cost 'after the test sample, finally developed this creation to solve the above problem. σ M328015 [Embodiment]

: 凊 Reference Item 4, which is the high-pressure side bottom view of the backlight module device of the present invention. The moonlight pull group includes a plurality of lamps 1〇1, a plurality of capacitors 1〇9, and a high voltage balance circuit board m. Each lamp f 101 includes two ends, each end including a lamp electrode. The W-A pressure balance circuit board 111 is located on one side of the electrodes of the plurality of lamps 101, and the lamp electrodes are electrically connected to the high voltage balance circuit board U1. The complex capacitor (10) is located on one side of the electrode of the plurality of lamps 101 and is fixed to the high voltage balance circuit board 111. The high frequency power supply terminal cooperates with the high frequency power supply terminal to generate a driving voltage for supplying the plurality of lamps 101. Wherein the plurality of lamps 101 are cold cathode tubes (CCFL) or fluorescent officials or external electrode glory lamps (10) FL), the bulb electrodes 豸 may include a rim seal, the bulb electrodes and the high voltage balance circuit board HI The electrical connection between them can be direct soldering, or it can be wired and then connected by wires. Fig. 5 is a schematic view showing the structure of the lamp holder of the present invention, which is made of Shixi plastic seat η. The lamp holder 101 is fixed, and the positioning rib 112 and the reinforcing rib 113 are added to the lamp holder 108 for supporting the solid-state balanced circuit board ui, thereby avoiding the high-voltage balance circuit board (1), which can cause _ deformation due to the temperature, thereby saving assembly man-hours. . The backlight module assembly of the present invention has its high voltage balance circuit board 111 directly inserted into the lamp holder 108, which does not occupy additional space of the module. Fig. 6 is a bottom view of the low-voltage side of the backlight module device of the present invention. The single-end high-frequency high-voltage method is used to drive the lamp tube, and the plurality of lamps are connected at one end as shown in Fig. 5, and the other end is electrically connected to the low-voltage balancing circuit board 114. Connected and placed in the light stand 108 M328015. % 雀 4, • ® 7 is a backlit mode called “Single-Ended High-Voltage Drive Lamp ’ ”. The lamp can also be driven by double-ended high-frequency high-voltage mode as required. The optical module device of the present invention further includes a bottom plate located below the plurality of lamps 101 for fixing the backlight module device. 4 To improve the light utilization rate, the surface of the neon light tube 1G1 can be coated with a material that reflects light. It is also possible to increase the light utilization efficiency by adding a reflection sheet between the lower surface of the complex lamp e 101 and the bottom plate. In summary, the present invention relates to a backlight module device, which includes a plurality of lamps, or a plurality of circuit boards and a plurality of capacitors, wherein each of the lamps includes a two-end 'money including-lamp electrode; The circuit board is located on the side or both sides of the plurality of lamp electrodes, and the lamp electrodes are electrically connected to the circuit board, and the plurality of electric grid devices are located on one side or both sides of the plurality of lamp tube electrodes, and are fixed on the circuit board The circuit board 'follows the high-frequency power supply terminal to generate the driving voltage for supplying the plurality of lamps. It further includes a side electronic component to provide a feedback signal to the controller. The backlight module device of the present invention has a simple structure and is easy to assemble, and can save material and work J1 and cost. Therefore, the creation of this creation is - novelty, progressiveness, and available to the industry, should meet the requirements of the patent application, undoubtedly, requesting the creation of a patent, according to law, the review committee has given this creation patent as soon as possible. However, the above is only the preferred embodiment of the present invention and is not intended to limit the scope of the present invention. In the case of the original material, please refer to the M328015 shape, structure, characteristics and spirit of the above-mentioned materials. The changes and modifications should be within the scope of the patent application.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a front view of a conventional backlight module device. 2 is a bottom view of a conventional backlight module device.

3 is a bottom view of a conventional backlight module device using a side frame to fix a lamp. Figure 4 is a high-pressure side bottom view of the backlight module device of the present invention. Figure 5 is a schematic view of the structure of the lamp holder. Figure 6 is a bottom view of the low-voltage side of the backlight module device of the present invention. Fig. 7 shows that the backlight module device of the present invention uses a single-ended high-frequency high-voltage method to drive the lamp.

[Main component symbol description] 101 Lamp 102 Wire 103 Electrical connector 104 Circuit board 105 South voltage side 106 Low voltage side 107 Side frame 108 Light frame 109 Capacitor* M328015 110 Silicone seat 111 High voltage balance circuit board, circuit board 112 Positioning rib 113 Reinforcement rib 114 low voltage balance circuit board, circuit board

Claims (1)

M328015 X. Patent application scope: 1. A backlight module device for liquid crystal display, comprising: * number of lamps: each tube includes two ends 'each end includes - a lamp electrode, the electrode - one end and a circuit The board is electrically connected, and the other end is electrically connected to the high frequency power supply end; the circuit board is located on one side of the plurality of lamp tube electrodes, and each electrode is electrically connected to the # circuit board, and the circuit board is electrically connected to the capacitor And a plurality of capacitors: located on one side of the plurality of lamp electrodes and fixed on the circuit board, and the other end is electrically connected to the high frequency power supply end to generate a driving voltage for supplying the plurality of lamps. 2. The backlight module device of claim 1, wherein the lamp tube is a port type lamp tube or a line type lamp tube, and the lamp tube electrodes are fixed on the circuit board. The backlight module device of claim 2, further comprising a light frame for fixing the plurality of lamps. 4. The backlight module device of claim 3, wherein the lamp holder further comprises positioning ribs and/or reinforcing ribs for supporting the fixed circuit board to prevent warpage deformation of the circuit board due to high temperature. 5. The backlight module device of claim 3, wherein the circuit board is directly placed in the lamp holder without occupying additional module space. The backlight module device of claim 2, further comprising a bottom plate located below the plurality of lamps for fixing the backlight module. The backlight module device of claim 6, wherein the surface of the bottom plate opposite to the plurality of lamps is coated with a light reflecting material. 8. The backlight module device of claim 6, further comprising a reflective plate disposed between the plurality of lamps and the bottom plate. 9. The backlight module device of claim 1, further comprising an electronic sensing side element for detecting a feedback signal. 10. The backlight module device of claim 1, further comprising a plurality of insulating sleeves covering the respective tube electrodes. 11. The backlight module device of claim 2, wherein the respective lamp electrodes are electrically connected to the circuit board by soldering. 12·-type backlight module device, used for liquid crystal display, comprising: a plurality of lamps: each of the two ends, each end comprising - a lamp electrode, the electrode is electrically connected to the circuit board; Standing on the two sides of the plurality of lamp electrodes, each electrode is electrically connected to the circuit board, the circuit board is electrically connected to the capacitor, and the plurality of capacitors m are disposed on the two sides of the electrode, and are finely defined on the circuit board The other end is electrically connected to the high frequency power supply end to generate a driving voltage for supplying the plurality of lamps of the M328015; the second light frame is for fixing the plurality of lamps and the circuit board. 13_ The backlight module device of claim 12, wherein the lamp holder further comprises a positioning rib and/or a reinforcing rib for fixing the circuit board in the branch to prevent the circuit board from being slightly deformed due to the surface temperature. 14. The backlight module device of claim 12, wherein the circuit board is directly placed in the lamp holder, and does not occupy the module space. The backlight module device of claim 12, further comprising a bottom plate located below the plurality of lamps for fixing the backlight module. The backlight module device of claim 15, wherein the surface of the bottom plate opposite to the plurality of lamps is coated with a light reflecting material. The backlight module device of claim 15, wherein the reflector module comprises a reflector between the plurality of lamps and the bottom plate. The backlight module device of claim 12, further comprising an electronic sensing side component for detecting a feedback signal. 19. The backlight module device of claim 12, further comprising a plurality of insulating sleeves covering the respective tube electrodes. The backlight module device of claim 12, wherein each of the lamp electrodes is electrically connected to the circuit board by soldering. 13